1. A locking device for an enclosure having a base and a cover mounted on the base, the locking device comprising:
a locking module comprising at least one locking member, the at least one locking member comprising a pivot portion for pivotably engaging with the base, a clasping portion extending from an end of the pivot portion, and a supporting portion extending from the other end of the pivot portion; and
a locking structure abutting the supporting portion of the at least one locking member to rotate the clasping portion to engage with the cover, whereby the cover is fixed on the base.
2. The locking device of claim 1, further comprising an elastic member connecting the at least one locking member and the base, wherein when the locking structure disengages with the supporting portion, the elastic member forces the clasping portion to disengage with the cover.
3. The locking device of claim 1, further comprising a number of supporting recesses defined in the base, and a number of barbs extending from the cover for matching with the supporting recesses of the base.
4. The locking device of claim 1, further comprising an additional locking member comprising a pivot portion for pivotably engaging with the base, a clasping portion extending from an end of the pivot portion for engaging the cover, and an inserting portion extending from the other end of the pivot portion to engage with the at least one locking member.
5. The locking device of claim 1, wherein the locking structure is a lock for engaging the cover and the base.
6. The locking device of claim 1, further comprising an additional locking module engaging with the cover, the additional locking module comprising a resisting portion to engage with the clasping portion of the at least one locking member.
7. The locking device of claim 6, wherein the additional locking module comprises a main body, an operation portion extending through the cover and connected with the main body, and a flexible member abutting between the main body and the cover.
8. An electronic enclosure, comprising:
a base with a number of supporting recesses defined therein;
a cover mounted on the base, the cover comprising a number of barbs for matching with the supporting recesses of the base;
a locking module comprising a first locking member and a second locking member, the first locking member comprising a pivot portion pivotably engaging with the base, a first end and a second end opposite to the first end, the second locking member comprising a pivot portion pivotably engaging with the base, a first end engaged with the first end of the first locking member and a second end opposite to the first end of the second locking member; and
a locking structure abutting the first end of the first locking member to rotate the second ends of the first and second locking members to engage with the first locking module, whereby the cover is fixed on the base.
9. The electronic enclosure of claim 8, wherein a pressing portion extending from a bottom of the first end of the first locking member, an inserting portion extending from first end of the second locking member to engage with the pressing portion of the first locking member.
10. The electronic enclosure of claim 8, wherein the base comprises a baffle and a supporting plate extending from a top edge of the baffle, the first and second locking members are pivotably engaged with the baffle.
11. The electronic enclosure of claim 10, wherein the first locking member extends a supporting portion from the first end thereof to insert into the baffle, the locking structure extending through the supporting plate and abutting the supporting portion of the first locking member.
12. The electronic enclosure of claim 10, wherein the second locking member extends a supporting portion to insert into the baffle, an elastic member connecting the supporting portion of the second locking member and the baffle.
13. An electronic enclosure, comprising:
a base with a number of supporting recesses defined therein;
a cover mounted on the base, the cover comprising a number of barbs for matching with the supporting recesses of the base;
a first locking module engaged on the cover;
a second locking module comprising at least one locking member, the at least one locking member comprising a pivot portion for pivotably engaging with the base, a first end and a second end opposite to the first end; and
a locking structure abutting the first end of the at least one locking member to rotate the second end to engage with the first locking module, whereby the cover is fixed on the base.
14. The electronic enclosure of claim 13, wherein the second locking module further comprises an elastic member connecting the at least one locking member and the base, when the locking structure disengages with the first end of the at least one locking member, the elastic member forces the clasping portion to disengage with the cover.
15. The electronic enclosure of claim 13, wherein the second locking module comprising an additional locking member, the additional locking member comprising a pivot portion for pivotably engaging with the base, a first end engaging with the at least one locking member, and a second end engaging with the first locking module.
16. The electronic enclosure of claim 13, wherein the locking structure is a lock for engaging with the cover and the base.
17. The electronic enclosure of claim 13, wherein the first locking module comprises a main body to engage with the clasping portion of the at least one locking member, an operation portion extending through the cover and connected with the main body, and a flexible member abutting between the main body and the cover.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A liquid material discharging apparatus comprising:
a liquid chamber which communicates with a discharging port and to which a liquid material is supplied, the liquid chamber having a side wall;
a plunger whose rear end portion has a piston and whose front portion moves forward and rearward inside the liquid chamber, the front portion being thinner than the liquid chamber such that the front portion does not contact the side wall of the liquid chamber;
an elastic body which applies a biasing force to the plunger; and
a pressurizing chamber in which the piston is arranged and to which compressed gas is supplied,
wherein the liquid material is discharged through the discharging port by causing the plunger to move forward,
wherein the elastic body biases the plunger in a rearward movement direction,
wherein the compressed gas supplied to the pressurizing chamber applies a driving force to the piston to cause the plunger to move forward, and the air pressure of the pressurizing chamber can be adjusted, and
wherein a lateral surface of the plunger does not contact the side wall of the liquid chamber when the plunger is advanced.
2. The liquid material discharging apparatus according to claim 1 further comprising:
a stroke adjustment mechanism which comes into contact with the piston and adjusts the most rearward movement position of the piston.
3. The liquid material discharging apparatus according to claim 1, further comprising:
a biasing force adjustment mechanism which includes a moving member holding the elastic body by opposing the piston and a position adjustment mechanism adjusting a position of the moving member, and which adjusts a biasing force of the elastic body.
4. The liquid material discharging apparatus according to claim 1, further comprising:
a flow valve which controls a flow rate of the compressed gas ejected from the pressurizing chamber.
5. The liquid material discharging apparatus according to claim 1,
wherein the pressurizing chamber is divided into two air-tight spaces by the piston; and
wherein the liquid material discharge apparatus further includes a flow valve which controls a flow rate of gas flowing in the pressurizing chamber when the piston rises.
6. The liquid material discharging apparatus according to claim 1, further comprising:
a nozzle member in which the liquid chamber is arranged; and
a body in which the pressurizing chamber is arranged and to which the nozzle member is fixed.
7. The liquid material discharging apparatus according to claim 1, further comprising:
a pressure intensifier which intensifies a pressure of the compressed gas to be supplied to the pressurizing chamber; and
a pressure regulator which reduces a pressure of the compressed gas whose pressure is intensified by the pressure intensifier, to be a desired pressure, and which supplies the compressed gas to the pressurizing chamber.
8. The liquid material discharging apparatus according to claim 7,
wherein a buffer tank is disposed in a flow path which allows the pressure intensifier and the pressurizing chamber to communicate with each other.
9. The liquid material discharging apparatus according to claim 1, further comprising:
a position determining mechanism which includes a contact portion disposed in the plunger and a position determining member opposing the contact portion, and which determines the most forward movement position of the plunger.
10. The liquid material discharging apparatus according to claim 9,
wherein the contact portion comprises a convex member disposed in a forward movement direction of the piston, and the position determining member comprises a wall surface opposing the piston of the pressurizing chamber.
11. The liquid material discharging apparatus according to claim 9, further comprising:
a distance adjustment mechanism which adjusts a distance between the position determining member and the pressurizing chamber.
12. The liquid material discharging apparatus according to claim 11,
wherein the contact portion comprises a convex member disposed in a forward movement direction of the piston.
13. The liquid material discharging apparatus according to claim 12,
wherein the plunger has a rod portion connecting the piston and the front portion, and the contact portion is disposed in the rod portion.
14. A liquid material discharge method of using a liquid material discharging apparatus that includes a liquid chamber which communicates with a discharging port and to which a liquid material is supplied, the liquid chamber having a side wall; a plunger whose rear end portion has a piston and whose front portion moves forward and rearward inside the liquid chamber, the front portion being thinner than the liquid chamber such that the front portion does not contact the side wall of the liquid chamber; an elastic body which applies a biasing force to the plunger; and a pressurizing chamber in which the piston is arranged and to which compressed gas is supplied, the method comprising:
a filling process of causing the plunger to move in a rearward movement direction by ejecting the compressed gas inside the pressurizing chamber; and
a discharging process of causing the plunger to move forward at a desired speed by supplying the compressed gas which is adjusted to have a desired pressure to the pressurizing chamber,
wherein in the discharging process, a lateral surface of the plunger does not contact the side wall of the liquid chamber when the plunger is advanced.
15. The liquid material discharge method according to claim 14,
wherein the liquid material discharge apparatus further includes a flow valve which controls a flow rate of the compressed gas ejected from the pressurizing chamber; and
wherein the filling process comprises a process of controlling the flow rate of the compressed gas ejected from the pressurizing chamber.
16. The liquid material discharge method according to claim 14,
wherein the pressurizing chamber is divided into two air-tight spaces by the piston; and
wherein the liquid material discharge apparatus further includes a flow valve which controls a flow rate of gas flowing in the pressurizing chamber when the piston rises; and
wherein the filling process comprises a process of controlling the flow rate of the gas flowing into the pressurizing chamber.
17. The liquid material discharging apparatus according to claim 1, further comprising:
a liquid feeding path which establishes a constant connection between the liquid chamber and a storage container.
18. The liquid material discharge method according to claim 14,
wherein the liquid material discharge apparatus further includes a liquid feeding path which establishes a constant connection between the liquid chamber and a storage container.
19. The liquid material discharge method according to claim 14,
wherein the liquid material discharge apparatus further includes a nozzle member in which the liquid chamber is arranged; and a body in which the pressurizing chamber is arranged and to which the nozzle member is fixed.
20. The liquid material discharge method according to claim 14,
wherein the liquid material discharge apparatus further includes a position determining mechanism which includes a contact portion disposed in the plunger and a position determining member opposing the contact portion, and which determines the most forward movement position of the plunger; and
wherein the liquid material is discharged in a droplet state after applying inertia force to the liquid material by causing the plunger to move forward in a state where the front portion of the plunger and an inner wall of the liquid chamber are not in contact with each other.
21. The liquid material discharge method according to claim 20,
wherein the discharging process comprises:
a process of extruding the liquid material having an amount required for forming a desired droplet from the discharging port by causing the plunger to move forward to the most forward movement position where the plunger is not in contact with the liquid chamber; and
a process of forming a very small amount of droplets after dividing the liquid material extruded from the discharging port by subsequently causing the plunger to move rearward.
22. The liquid material discharge method according to claim 14,
wherein the liquid material discharge apparatus further includes a pressure intensifier which intensifies a pressure of the compressed gas to be supplied to the pressurizing chamber, and a pressure regulator which reduces a pressure of the compressed gas whose pressure is intensified by the pressure intensifier, to be a desired pressure, and which supplies the compressed gas to the pressurizing chamber; and
wherein the discharging process comprises a process of supplying the compressed gas whose pressure has been regulated.
23. The liquid material discharge method according to claim 22,
wherein a buffer tank is disposed in a flow path which allows the pressure intensifier and the pressurizing chamber to communicate with each other.