CN216479206U - Controllable backflow closed control valve - Google Patents
Controllable backflow closed control valve Download PDFInfo
- Publication number
- CN216479206U CN216479206U CN202220021075.8U CN202220021075U CN216479206U CN 216479206 U CN216479206 U CN 216479206U CN 202220021075 U CN202220021075 U CN 202220021075U CN 216479206 U CN216479206 U CN 216479206U
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- CN
- China
- Prior art keywords
- shell
- control valve
- backflow
- control cavity
- glue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003292 glue Substances 0.000 claims abstract description 64
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 238000010304 firing Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000010079 rubber tapping Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a steerable backward flow confined control valve relates to backward flow valve technical field, its technical essential: the rubber tapping device comprises a shell, wherein a control cavity is formed in the shell, an air inlet pipe communicated with the control cavity is arranged at the top end of the shell, a backflow hole communicated with the control cavity is formed in the bottom end of the shell, a rubber outlet hole communicated with the control cavity is formed in the outer wall of the middle lower portion of the shell, a striker seat is arranged at the top of the control cavity, a striker is movably arranged in the striker seat, a pneumatic groove is formed in the top of the striker, the size of the pneumatic groove is larger than that of the striker seat, a sealing block used for sealing the rubber outlet hole is arranged at the bottom of the striker, the sealing block is attached to the inner wall of the control cavity, and the size of the sealing block is larger than that of the backflow hole; the utility model discloses but the break-make of pneumatic control glue transmission realizes the transportation and the sealed backward flow of glue.
Description
Technical Field
The utility model belongs to the technical field of the backward flow valve technique and specifically relates to a steerable backward flow confined control valve is related to.
Background
In the existing glue transportation pipeline, a common electromagnetic control valve body has large glue viscosity, more energy sources need to be consumed by electromagnetic control, and the pneumatic valve body can be quickly opened and closed and can be used under the condition of power failure, so that a pneumatic control valve capable of controlling backflow to be closed can be provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a steerable backward flow confined control valve, the break-make of pneumatic control glue transmission realizes the transportation and the sealed backward flow of glue.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a steerable backward flow confined control valve, includes the casing, it has the control chamber to open in the casing, the casing top is equipped with the intake pipe with the control chamber intercommunication, open the casing bottom has the backward flow hole with the control chamber intercommunication, it has the play gluey hole with the control chamber intercommunication to open on the outer wall of lower part in the casing, the control chamber top is equipped with hits the needle file, it is equipped with the firing pin to hit needle file internalization, the firing pin top is equipped with pneumatic groove, the size in pneumatic groove is greater than the size that hits the needle file, the firing pin bottom is equipped with the closing block that is used for sealing out gluey hole, closing block and the laminating of control intracavity wall, the size of closing block is greater than the size in backward flow hole.
By adopting the scheme, the control valve has two states, namely a first state: the air inlet pipe does not allow air to enter, the glue enters the control cavity from the return hole, and the sealing plate is jacked up by pressure generated by glue transportation, so that the position of the glue outlet hole is vacated, and the glue can flow out through the glue outlet hole, is discharged from the control cavity and flows into a glue box and other equipment for subsequent treatment; in the second state: the air inlet pipe is used for air inlet, so that the pneumatic groove and the sealing block are pushed to move downwards, the sealing block is used for sealing the glue outlet, the glue which enters the control cavity is enabled to flow back and is discharged from the return hole, the glue cannot be discharged from the glue outlet, and the effect of blocking the flow of the glue is achieved; the utility model discloses but the break-make of pneumatic control glue transmission realizes the transportation and the sealed backward flow of glue.
Preferably, the air inlet pipe is connected with the shell through a threaded connection mechanism.
Preferably, the threaded connection mechanism comprises an internal thread sleeve arranged at the top of the shell, the bottom of the air inlet pipe is provided with a mounting seat, and the bottom of the mounting seat is provided with an external thread sleeve matched with the internal thread sleeve.
Preferably, the mounting seat is formed in a nut shape.
Preferably, the air inlet pipe is provided with an L shape.
Preferably, the outer wall of the shell is provided with an external thread above the glue outlet hole.
Preferably, the top of the external thread is provided with a closed ring.
Preferably, the shell is provided with a cap-shaped twisting sleeve above the external thread.
Preferably, the number of the glue outlet holes is four, and the glue outlet holes are uniformly distributed on the outer wall of the shell in an annular mode.
The utility model discloses following beneficial effect has:
the control valve has two states, a first state: the air inlet pipe does not allow air to enter, the glue enters the control cavity from the return hole, and the sealing plate is jacked up by pressure generated by glue transportation, so that the position of the glue outlet hole is vacated, and the glue can flow out through the glue outlet hole, is discharged from the control cavity and flows into a glue box and other equipment for subsequent treatment; in the second state: the air inlet pipe is used for air inlet, so that the pneumatic groove and the sealing block are pushed to move downwards, the sealing block is used for sealing the glue outlet, the glue which enters the control cavity is enabled to flow back and is discharged from the return hole, the glue cannot be discharged from the glue outlet, and the effect of blocking the flow of the glue is achieved; the utility model discloses but the break-make of pneumatic control glue transmission realizes the transportation and the sealed backward flow of glue.
Drawings
FIG. 1 is a cross-sectional structural view of an embodiment of the present invention;
fig. 2 is a schematic diagram of an external structure of an embodiment of the present invention.
In the figure: 1. a housing; 2. a control chamber; 3. an air inlet pipe; 4. a return orifice; 5. a glue outlet hole; 61. a needle bumping seat; 62. a striker; 63. a pneumatic groove; 7. a closing block; 81. a mounting seat; 82. an internal thread sleeve; 83. an external thread sleeve; 9. an external thread; 10. a closed ring; 11. the sleeve is twisted.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
A control valve capable of controlling backflow sealing comprises a shell 1, a control cavity 2 is formed in the shell 1, an air inlet pipe 3 communicated with the control cavity 2 is arranged at the top end of the shell 1, a backflow hole 4 communicated with the control cavity 2 is formed in the bottom end of the shell 1, a glue outlet hole 5 communicated with the control cavity 2 is formed in the outer wall of the middle lower portion of the shell 1, a collision needle seat 61 is arranged at the top of the control cavity 2, a collision needle 62 is movably arranged in the collision needle seat 61, a pneumatic groove 63 is formed in the top of the collision needle 62, the size of the pneumatic groove 63 is larger than that of the collision needle seat 61, a sealing block 7 used for sealing the glue outlet hole 5 is arranged at the bottom of the collision needle 62, the sealing block 7 is attached to the inner wall of the control cavity 2, and the size of the sealing block 7 is larger than that of the backflow hole 4.
As shown in fig. 1-2, the control valve has two states, a first state: the air inlet pipe 3 does not admit air, the glue enters the control cavity 2 from the backflow hole 4, the sealing plate is jacked up by pressure generated by glue transportation, and the position of the glue outlet hole 5 is vacated, so that the glue can flow out through the glue outlet hole 5 and is discharged from the control cavity 2, and then flows into a glue box and other equipment for subsequent treatment; in the second state: the air inlet pipe 3 is used for air inlet, so that the pneumatic groove 63 and the sealing block 7 are pushed to move downwards, the sealing block 7 is used for sealing the glue outlet hole 5, glue which enters the control cavity 2 is enabled to flow back and is discharged from the backflow hole 4, the glue cannot be discharged from the glue outlet hole 5, and the effect of blocking the flow of the glue is achieved; the utility model discloses but the break-make of pneumatic control glue transmission realizes the transportation and the sealed backward flow of glue.
As shown in fig. 1-2, the air inlet pipe 3 is connected with the shell 1 through a threaded connection mechanism, and the air inlet pipe 3 is detachable and convenient to install.
As shown in fig. 1-2, the threaded connection mechanism includes an internal thread sleeve 82 disposed at the top of the housing 1, the bottom of the air inlet pipe 3 is provided with a mounting seat 81, the bottom of the mounting seat 81 is provided with an external thread sleeve 83 adapted to the internal thread sleeve 82, the external thread sleeve 83 enters the internal thread sleeve 82 and is in threaded connection, so that the installation can be completed, and the sealing performance is high.
As shown in fig. 1-2, the mounting seat 81 is formed in a nut shape, which facilitates tightening with a tool.
As shown in fig. 1-2, the air inlet pipe 3 is provided with an L-shape for easy connection to an external air supply device.
As shown in fig. 1-2, the outer wall of the housing 1 is provided with an external thread 9 above the glue outlet 5 for screwing in storage or processing equipment such as a glue box.
As shown in fig. 1-2, a closed ring 10 is arranged on the top of the external thread 9 to improve the sealing performance. Reliability is achieved.
As shown in fig. 1-2, the shell 1 is provided with a cap-shaped twisting sleeve 11 above the external thread 9, so that the use of tools is convenient for screwing, and the sealing performance is improved.
As shown in fig. 1-2, the number of the glue outlet holes 5 is four, and the glue outlet holes are uniformly distributed on the outer wall of the shell 1 in an annular manner, so that the glue outlet rate is increased, and after a certain glue outlet hole 5 cannot work, other glue outlet holes 5 can be responsible for glue outlet work.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent replacements or modifications made based on the present invention to solve the same technical problems and achieve the same technical effects are all covered in the protection scope of the present invention.
Claims (9)
1. A control valve with controlled backflow closure, comprising a housing (1), characterized in that: a control cavity (2) is arranged in the shell (1), an air inlet pipe (3) communicated with the control cavity (2) is arranged at the top end of the shell (1), the bottom end of the shell (1) is provided with a backflow hole (4) communicated with the control cavity (2), the outer wall of the middle lower part of the shell (1) is provided with a glue outlet (5) communicated with the control cavity (2), the top of the control cavity (2) is provided with a needle striking seat (61), a firing pin (62) is movably arranged in the needle striking seat (61), the top of the firing pin (62) is provided with a pneumatic groove (63), the size of the pneumatic groove (63) is larger than that of the firing pin seat (61), the bottom of the firing pin (62) is provided with a sealing block (7) for sealing the glue outlet hole (5), the sealing block (7) is attached to the inner wall of the control cavity (2), and the size of the sealing block (7) is larger than that of the backflow hole (4).
2. A controllable backflow-blocking control valve as claimed in claim 1, wherein: the air inlet pipe (3) is connected with the shell (1) through a threaded connection mechanism.
3. A controllable backflow-blocking control valve as claimed in claim 2, wherein: threaded connection mechanism is including locating internal thread cover (82) at casing (1) top, intake pipe (3) bottom is equipped with mount pad (81), mount pad (81) bottom is equipped with external screw thread cover (83) that suit with internal thread cover (82).
4. A controllable backflow-blocking control valve as claimed in claim 3, wherein: the mounting seat (81) is in a nut shape.
5. A controllable backflow-blocking control valve as claimed in claim 1, wherein: the air inlet pipe (3) is provided with an L shape.
6. A controllable backflow-blocking control valve as claimed in claim 1, wherein: and an external thread (9) is arranged on the outer wall of the shell (1) above the glue outlet hole (5).
7. A controllable backflow-blocking control valve as claimed in claim 6, wherein: and a closed ring (10) is arranged at the top of the external thread (9).
8. A controllable backflow-blocking control valve as claimed in claim 7, wherein: the shell (1) is provided with a cap-shaped twisting sleeve (11) above the external thread (9).
9. A controllable backflow-blocking control valve as claimed in claim 1, wherein: the number of the glue outlet holes (5) is four, and the glue outlet holes are uniformly distributed on the outer wall of the shell (1) in an annular mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220021075.8U CN216479206U (en) | 2022-01-06 | 2022-01-06 | Controllable backflow closed control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220021075.8U CN216479206U (en) | 2022-01-06 | 2022-01-06 | Controllable backflow closed control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216479206U true CN216479206U (en) | 2022-05-10 |
Family
ID=81433685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220021075.8U Expired - Fee Related CN216479206U (en) | 2022-01-06 | 2022-01-06 | Controllable backflow closed control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216479206U (en) |
-
2022
- 2022-01-06 CN CN202220021075.8U patent/CN216479206U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220510 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |