CN221139313U - Feed cylinder with self-closing function - Google Patents
Feed cylinder with self-closing function Download PDFInfo
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- CN221139313U CN221139313U CN202322605345.7U CN202322605345U CN221139313U CN 221139313 U CN221139313 U CN 221139313U CN 202322605345 U CN202322605345 U CN 202322605345U CN 221139313 U CN221139313 U CN 221139313U
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- sealing
- self
- piston
- cartridge
- closing function
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- 238000007789 sealing Methods 0.000 claims abstract description 89
- 230000009471 action Effects 0.000 abstract description 5
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- Pressure Vessels And Lids Thereof (AREA)
Abstract
The utility model relates to a cartridge with self-closing function, comprising: a cylinder; the piston is movably arranged in the cylinder body and divides the cylinder body into an air chamber and a medium chamber; a feed cylinder front seal connected with the bottom of the cylinder body, wherein a medium outlet is arranged on the feed cylinder front seal; the elastic sealing device is arranged at a medium outlet of the front seal of the charging barrel; and the limiting sleeve is arranged at the bottom of the cylinder body and used for limiting the elastic sealing device. The utility model can be compatible with medium with low viscosity and strong fluidity, and the elastic sealing device is arranged to block the medium outlet due to the elastic action of the elastic sealing device, so as to block and close the medium outlet.
Description
Technical Field
The utility model relates to the technical field of charging barrels, in particular to a charging barrel with a self-closing function.
Background
The existing charging barrel is usually filled with a medium with high viscosity and poor fluidity, the medium outlet of the charging barrel is matched with a barrel plug for use, the medium is not easy to flow out in the transportation process, and the matched barrel plug is designed to easily cause the condition that the barrel plug is lost on site, as shown in fig. 7; and the bottom of the charging barrel is fixed with the front seal of the charging barrel in a spiral mode, if the air pressure in the barrel is increased, the situation that the front seal of the charging barrel is separated from the barrel possibly occurs, so that the charging barrel cannot be normally used.
Disclosure of utility model
Therefore, the utility model aims to solve the technical problems that a plug of a discharge hole of a cylinder is easy to lose and a front seal of the cylinder is easy to fall off in the prior art, and an elastic sealing device is arranged at a medium outlet of the front seal of the cylinder to realize the automatic closing function of the medium outlet.
In order to solve the technical problems, the present utility model provides a cartridge with a self-closing function, comprising:
A cylinder;
the piston is movably arranged in the cylinder body and divides the cylinder body into an air chamber and a medium chamber;
a front seal of the charging barrel is connected with the bottom of the barrel through a fastener, and a medium outlet is arranged on the front seal of the charging barrel;
The elastic sealing device is arranged at a medium outlet of the front seal of the charging barrel and used for automatically sealing the medium outlet;
and the limiting sleeve is arranged at the bottom of the cylinder body and used for limiting the elastic sealing device.
In one embodiment of the utility model, the elastic sealing device comprises a sealing rod, a sealing ring and a spring, wherein the sealing rod comprises a rod body and a sealing plug arranged below the rod body, the spring is arranged on the outer side of the rod body, and the sealing ring is arranged on the outer side of the sealing plug.
In one embodiment of the utility model, a sealing groove is arranged in the circumferential direction of the sealing plug, and the sealing ring is embedded in the sealing groove.
In one embodiment of the utility model, a circular through hole is arranged at the center of the limiting sleeve, a compression bar limiting part is arranged in the circular through hole, a reinforced connecting part is arranged between the inner wall of the circular through hole and the compression bar limiting part, and a blanking port for medium to flow out is formed between adjacent reinforced connecting parts.
In one embodiment of the utility model, the cartridge front seal maximum outer diameter is greater than the outer diameter of the bottom of the barrel.
In one embodiment of the utility model, the top of the cylinder is provided with a cylinder cover, the cylinder cover is provided with an air inlet, and the air inlet is communicated with an air source through an air inlet pipeline.
In one embodiment of the utility model, an O-ring is arranged between the front seal of the charging barrel and the barrel body.
In one embodiment of the utility model, the piston comprises a piston upper portion, a piston middle portion and a piston lower portion, the piston middle portion being disposed between the piston upper portion and the piston lower portion.
In one embodiment of the utility model, sealing rings are arranged between the upper part and the lower part of the piston and the inner wall of the cylinder.
In one embodiment of the utility model, graduation marks are arranged on the outer side of the cylinder body.
Compared with the prior art, the technical scheme of the utility model has at least the following advantages:
The charging barrel with the self-closing function can be compatible with media with low viscosity and strong fluidity, and the elastic sealing device is blocked at the medium outlet due to the elastic action of the charging barrel, so that the medium outlet is blocked and closed; when the material is needed, the elastic sealing device is extruded towards the direction of the limit sleeve through the external needle cylinder seat, so that the elastic sealing device and the limit sleeve are clamped and fixed together, the medium outlet is opened, and the medium flows out.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which,
FIG. 1 is a schematic view of a cartridge with self-closing function in a preferred embodiment of the present utility model;
FIG. 2 is a schematic view of the cartridge of FIG. 1 with a self-closing feature showing the structure of the cartridge when the media outlet is open;
FIG. 3 is a schematic view of the cartridge of FIG. 1 with a self-closing function showing the closing of the media outlet;
FIG. 4 is a schematic view of a part of the elastic sealing device and the stop collar of the cartridge with the self-closing function shown in FIG. 1;
FIG. 5 is a schematic view of the piston of the cartridge with self-closing function shown in FIG. 1;
FIG. 6 is a schematic view of the configuration of the syringe mount for opening the media outlet of the cartridge front seal in accordance with the present utility model;
FIG. 7 is a schematic view of a prior art cartridge;
Description of the specification reference numerals: 1. a cylinder; 2. a piston; 21. an upper portion of the piston; 22. the middle part of the piston; 23. the lower part of the piston; 3. front sealing of the charging barrel; 31. a medium outlet; 4. an elastic sealing device; 41. sealing rod, 411, rod body; 412. a sealing plug; 414. sealing grooves; 42. a seal ring; 43. a spring; 5. a limit sleeve; 51. a circular through hole; 52. a compression bar limiting part; 13. A cylinder cover; 131. an air inlet; 100. a fastener; an O-ring 101; sealing ring 103.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
In order to better understand the above technical solutions, the following will describe the above technical solutions in detail with reference to the drawings in the specification and a specific test mode.
Examples
Referring to fig. 1, 2 and 3, a cartridge with self-closing function according to the present utility model comprises: a cylinder 1; the piston 2 is movably arranged in the cylinder 1, and the piston 2 divides the cylinder 1 into an air cavity chamber 11 and a medium cavity chamber 12; a front charging barrel seal 3 connected with the bottom of the barrel 1, wherein a medium outlet 31 is arranged on the front charging barrel seal; the elastic sealing device 4 is arranged at the medium outlet 31 of the front cylinder seal 3 and is used for automatically sealing the medium outlet 31; and the limiting sleeve 5 is arranged at the bottom of the cylinder body 1 and is used for limiting the elastic sealing device 4.
The charging barrel can be compatible with low-viscosity and high-fluidity mediums, and the elastic sealing device 4 is arranged on the charging barrel, so that the elastic sealing device 4 is blocked at the medium outlet 31 due to the elastic action of the charging barrel, and the medium outlet 31 is automatically blocked and closed; when the material is needed, the elastic sealing device 4 is extruded towards the limit sleeve 5 through the external needle cylinder seat, so that the elastic sealing device 4 and the limit sleeve 5 are clamped and fixed together, the medium outlet 31 is opened, and the medium flows out.
Preferably, the elastic sealing device 4 includes a sealing rod 41, a sealing ring 42, and a spring 43, the sealing rod 41 includes a rod 411 and a sealing plug 412 disposed below the rod 411, the spring 43 is disposed outside the rod 411, and the sealing ring 42 is disposed outside the sealing plug 412. Preferably, a sealing groove 413 is provided in the circumferential direction of the sealing plug 412, and the sealing ring 42 is embedded in the sealing groove 413. The diameter of the sealing plug 412 decreases gradually from the connection of the rod 411 to the free end so that the sealing plug 412 is adapted to the shape of the top end of the medium outlet 31. When the cylinder body 1 is idle, the sealing plug 412 is embedded into the top end of the medium outlet 31 under the action of the spring 43 to seal the medium outlet 31; the sealing washer 42 is through sealing groove 413 embedding to the sealing plug 412 outside, helps reinforcing sealing performance of sealing plug 412, and sealing washer 42 is difficult for can not take place the slippage along with the removal of sealing plug 412 moreover, effectively guarantees the sealing tightness of sealing plug 412.
The center of the limit sleeve 5 is provided with a circular through hole 51, a compression bar limit part 52 is arranged in the circular through hole 51, a reinforced connection part 53 is arranged between the inner wall of the circular through hole 51 and the compression bar limit part 52, and a blanking port for medium outflow is formed between adjacent reinforced connection parts 53. The compression bar limiting part 52 is provided with a through hole with the size matched with that of the rod body 411, the sealing rod 41 is extruded towards the limiting sleeve 5 by adopting a syringe seat as shown in fig. 6, and after the rod body 411 is extruded and stretched into the through hole, the sealing plug 412 positioned below the rod body 411 is separated from the top of the medium outlet 31, so that the medium can flow out from the medium outlet 31; after the discharging is finished, the syringe seat is withdrawn from the medium outlet 31, and when the sealing rod 41 is not extruded, the spring 43 gives a reaction force to the sealing plug 412 to push the sealing plug 412, and the sealing plug 412 is embedded into the top of the medium outlet 31, so that the closing function of the medium outlet 31 is realized.
In order to prevent the situation that the front cylinder seal 3 is separated from the cylinder 1 when the gas pressure in the cylinder 1 is too high, the maximum outer diameter of the front cylinder seal 3 is larger than the outer diameter of the cylinder 1, and the front cylinder seal 3 is wrapped and locked and fixed at the bottom of the cylinder 1 during installation, the fastener 100 shown in the embodiment is preferably a fixing screw, the front cylinder seal 3 and the cylinder 1 are fixed in a circle in a circumferential direction through the fixing screw, and the limit sleeve 5 and the cylinder 1 are tightly connected together by a bolt during locking.
In addition, a cylinder cover 13 is arranged at the top of the cylinder body 1, an air inlet 131 is arranged on the cylinder cover 13, and the air inlet 131 is communicated with an air source through an air inlet pipeline. When the air source is communicated, the air source continuously injects air into the air chamber 11, the air pressure in the air chamber 11 is increased, the piston 2 slides along the inner wall of the cylinder 1 towards the medium outlet 31 under the action of the air pressure, and the medium in the medium chamber 12 is discharged from the medium outlet 31 through the piston 2.
In this embodiment, an O-ring 101 is disposed between the front barrel seal 3 and the barrel 1. When the front barrel seal 3 is locked with the barrel 1, the O-shaped ring 101 is abutted against the barrel 1, and a seal is formed between the front barrel seal 3 and the barrel 1.
As shown in fig. 5, the piston 2 includes a piston upper portion 21, a piston middle portion 22, and a piston lower portion 23, and the piston middle portion 22 is provided between the piston upper portion 21 and the piston lower portion. Sealing rings 103 are arranged between the upper piston part 21 and the lower piston part 23 and the inner wall of the cylinder body 1. In this embodiment, seal ring embedding grooves are formed in the circumferential direction of the upper piston part 21 and the lower piston part 23, and the seal rings 103 are embedded into the seal ring embedding grooves; when the piston 2 moves upwards or downwards, the sealing ring 103 can realize sealing without sealing failure caused by the change of the movement direction of the piston 2; and the design of sealing washer embedded groove can avoid sealing washer 103 to take place to drop in the in-process that follows piston 2 slip, has strengthened the sealing performance of piston 2. In the embodiment, the piston 2 is assembled by adopting three parts, namely an upper part, a middle part and a lower part, is convenient to disassemble and clean, and is favorable for repeated use.
As a further improvement of the utility model, the outer side of the cylinder body 1 is also provided with scale marks. The design of scale mark is used for marking the medium allowance in the barrel 1, and is used for reminding the staff to add the medium in time.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (10)
1. A feed cylinder with self-closing function, its characterized in that: comprising the following steps:
A cylinder;
the piston is movably arranged in the cylinder body and divides the cylinder body into an air chamber and a medium chamber;
a front seal of the charging barrel is connected with the bottom of the barrel through a fastener, and a medium outlet is arranged on the front seal of the charging barrel;
The elastic sealing device is arranged at a medium outlet of the front seal of the charging barrel and used for automatically sealing the medium outlet;
and the limiting sleeve is arranged at the bottom of the cylinder body and used for limiting the elastic sealing device.
2. A cartridge with self-closing function according to claim 1, characterized in that: the elastic sealing device comprises a sealing rod, a sealing ring and a spring, wherein the sealing rod comprises a rod body and a sealing plug arranged below the rod body, the spring is arranged on the outer side of the rod body, and the sealing ring is arranged on the outer side of the sealing plug.
3. A cartridge with self-closing function according to claim 2, characterized in that: the sealing plug is provided with a sealing groove in the circumferential direction, and the sealing ring is embedded into the sealing groove.
4. A cartridge with self-closing function according to claim 1, characterized in that: the center position of stop collar is equipped with circular through-hole, be equipped with depression bar spacing portion in the circular through-hole, be equipped with between circular through-hole inner wall and the depression bar spacing portion and strengthen connecting portion, constitute the blanking mouth that the medium flows out between the adjacent enhancement connecting portion.
5. A cartridge with self-closing function according to claim 1, characterized in that: the maximum outer diameter of the front seal of the charging barrel is larger than the outer diameter of the bottom of the barrel.
6. A cartridge with self-closing function according to claim 1, characterized in that: the top of barrel is equipped with the cover, be equipped with the air inlet on the cover, through admission line and air supply intercommunication on the air inlet.
7. A cartridge with self-closing function according to claim 1, characterized in that: an O-shaped ring is arranged between the front seal of the charging barrel and the barrel body.
8. A cartridge with self-closing function according to claim 1, characterized in that: the piston comprises a piston upper portion, a piston middle portion and a piston lower portion, and the piston middle portion is arranged between the piston upper portion and the piston lower portion.
9. A cartridge with self-sealing function according to claim 8, wherein: sealing rings are arranged between the upper part and the lower part of the piston and the inner wall of the cylinder body.
10. A cartridge with self-closing function according to claim 1, characterized in that: and scale marks are arranged on the outer side of the cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322605345.7U CN221139313U (en) | 2023-09-25 | 2023-09-25 | Feed cylinder with self-closing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322605345.7U CN221139313U (en) | 2023-09-25 | 2023-09-25 | Feed cylinder with self-closing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221139313U true CN221139313U (en) | 2024-06-14 |
Family
ID=91427596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322605345.7U Active CN221139313U (en) | 2023-09-25 | 2023-09-25 | Feed cylinder with self-closing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221139313U (en) |
-
2023
- 2023-09-25 CN CN202322605345.7U patent/CN221139313U/en active Active
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| GR01 | Patent grant |