CN219954271U - Angle seat valve with back suction air control function - Google Patents
Angle seat valve with back suction air control function Download PDFInfo
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- CN219954271U CN219954271U CN202321490581.2U CN202321490581U CN219954271U CN 219954271 U CN219954271 U CN 219954271U CN 202321490581 U CN202321490581 U CN 202321490581U CN 219954271 U CN219954271 U CN 219954271U
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- valve
- angle seat
- spring
- back suction
- gasket
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- 238000007789 sealing Methods 0.000 claims abstract description 42
- 230000003287 optical effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model belongs to the field of valves, and provides a valve with a back suction air control angle seat, which comprises an angle seat valve body, a cylinder body, a valve rod, a piston, a sealing assembly and a spring assembly, wherein the spring assembly comprises a first spring arranged between the top of the cylinder body and the piston and a second spring arranged between the cylinder body and the angle seat valve body, a spring groove for installing the second spring is arranged on the angle seat valve body, a valve core extending into the angle seat valve body is arranged at the movable end of the valve rod, a nut in threaded connection with the valve core is arranged at the movable end of the valve rod, a valve core sealing gasket is arranged between the nut and the valve core, the valve rod is of a hollow structure and is internally provided with a back suction channel, the back suction channel is used for being connected with a back suction power source, and the sealing assembly comprises a plurality of superposed gaskets arranged at the bottom in the spring groove. The device has reasonable design, simple structure and good sealing performance, is favorable for saving filling materials and is suitable for large-scale popularization.
Description
Technical Field
The utility model belongs to the field of valves, and particularly relates to a valve with a back suction air control angle seat.
Background
The angle seat valve is a pilot valve operated by a single-acting pneumatic actuator with spring safety protection. The angle seat valve is widely applied to short-time frequent start, has the characteristics of sensitive response and accurate action, is matched with an electromagnetic valve to be used, and pneumatically controls the flow of gas and liquid.
The traditional hinged-support valve in the filling industry adopts a mode of a threaded pneumatic control angle-support valve and a hollow filling pipe, and the pneumatic angle-support valve comprises a valve body, a valve core, a piston rod, a connecting rod, a spring, a cylinder body and a cylinder body upper cover, wherein the pneumatic angle-support valve has the defects of extremely easy dripping, low liquid tension and difficulty in being contained in the pipe, and the vibration of a machine during working can interfere the final sealing effect, so that the utilization rate of filling liquid is influenced, the pneumatic angle-support valve can be dripped on workshop conveying equipment and a subsequent filling bottle, and the cleaning procedure is increased.
Disclosure of Invention
Aiming at the technical problems of the angle seat valve, the utility model provides the angle seat valve with the back suction function, which has reasonable design, simple structure and good sealing property and is favorable for saving filling materials.
In order to achieve the above purpose, the technical scheme includes that the angle seat valve with the back suction air control comprises an angle seat valve body, a valve block is arranged on one valve port of the angle seat valve body, a valve rod, a piston, a sealing component and a spring component are arranged in the valve block, the spring component comprises a first spring arranged between the top of the cylinder block and the piston and a second spring arranged between the cylinder block and the angle seat valve body, a spring groove for installing the second spring is formed in the angle seat valve body, a valve core extending into the interior of the angle seat valve body is arranged at the movable end of the valve rod, a nut in threaded connection with the valve core is arranged at the movable end of the valve rod, a valve core sealing gasket is arranged between the nut and the valve core, the valve rod is of a hollow structure and is internally provided with a back suction channel, the back suction channel is used for being connected with a back suction power source, and the sealing component comprises a plurality of stacked gaskets arranged at the bottom in the spring groove.
Preferably, the valve rod comprises a movable execution part, the movable execution part is connected with the valve core, a power connection part penetrating through the top of the cylinder body is arranged at the top of the movable execution part, an optical shaft sleeve is arranged on the side face of the power connection part, and a mounting groove for mounting the optical shaft sleeve is arranged at the top of the cylinder body.
Preferably, the stacked gasket comprises a gasket body, ring grooves and annular protrusions are distributed at the top and the bottom of the gasket body, the cross section of each ring groove is semicircular, and the cross section of each annular protrusion is triangular.
Preferably, the valve core sealing gasket is in interference fit with a valve hole arranged in the corner seat valve body.
Preferably, the valve core is provided with a pressing pad groove at one side of the valve core, which is opposite to the valve core sealing pad, and a disc-shaped gasket is arranged in the pressing pad groove.
Compared with the prior art, the utility model has the advantages and positive effects that:
1. according to the valve with the back suction air control angle seat, the valve rod with the back suction channel is adopted to enable the valve rod to carry out back suction operation under the action of a back suction power source, so that the probability of dripping at a discharge hole of the valve body of the angle seat can be effectively reduced; the valve core sealing gasket can improve the sealing effect of the valve core sealing gasket and the valve core to the angle seat valve body, and the superposed gaskets can improve the matching sealing property of the angle seat valve body and the valve rod, thereby being beneficial to improving the braking instantaneity and the sealing property of the device. The device has reasonable design, simple structure and good sealing performance, is favorable for saving filling materials and is suitable for large-scale popularization.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of an embodiment provided with a back suction air control angle seat valve;
FIG. 2 is a front view of a valve with a back suction air control angle seat provided in an embodiment;
FIG. 3 is a front view of a disk gasket provided by an embodiment;
in the above figures, 1, an angle seat valve body; 1a, a spring groove; 2. a cylinder block; 2a, a mounting groove; 3. a valve stem; 3a, a suck-back channel; 3b, an activity executing part; 3c, a power connection part; 4. a piston; 5. a seal assembly; 51. stacking shims; 51a, a spacer body; 51b, ring grooves; 51c, annular bulge; 6. a spring assembly; 6a, a first spring; 6b, a second spring; 7. a valve core; 7a, a pressing pad groove; 8. a nut; 9. a valve core sealing gasket; 10. a dish-shaped gasket.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other. For convenience of description, the words "upper", "lower", "left" and "right" are merely used herein to denote a correspondence with the upper, lower, left, and right directions of the drawing figures, and are not limiting on the structure.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
As shown in fig. 1, 2 and 3, the angle seat valve with back suction air control provided by the utility model comprises an angle seat valve body 1, wherein a valve block 2 is arranged on one valve port of the angle seat valve body 1, a valve rod 3, a piston 4, a sealing assembly 5 and a spring assembly 6 are arranged in the valve block 2, the spring assembly 6 comprises a first spring 6a arranged between the inner top of the valve block 2 and the piston 4 and a second spring 6b arranged between the valve block 2 and the angle seat valve body 1, a spring groove 1a for installing the second spring 6b is arranged on the angle seat valve body 1, and a valve core 7 extending into the interior of the angle seat valve body 1 is arranged at the movable end of the valve rod 3. The cylinder drives the valve rod 3 and the valve core 7 to execute on-off action on the through hole inside the angle seat valve body 1, and the specific length and the straightness of the filling end of the angle seat valve body 1 can be assembled into corresponding accessories according to the requirements of specific filling conditions, so that the utilization rate of the device is improved, and the embodiment is not repeated here.
On the basis, the movable end of the valve rod 3 is provided with a nut 8 in threaded connection with the valve rod, a valve core sealing gasket 9 is arranged between the nut 8 and the valve core 7, the valve rod 3 is of a hollow structure and is internally provided with a suck-back channel 3a, the suck-back channel 3a is used for being connected with a suck-back power source, and the sealing assembly 5 comprises a plurality of superposed gaskets 51 arranged at the inner bottom of the spring groove 1 a. The actual combined thickness of the valve core 7 and the valve core sealing gasket 9 can be adjusted through the screwing depth of the adjusting nut 8 at the end part of the valve rod 3, so that the control effect of the two on-off conditions of the valve body 1 of the diagonal seat can be guaranteed. The valve rod 3 with the suck-back channel 3a can enable the valve rod to execute suck-back operation from the discharge end of the angle seat valve body 1 under the action of a suck-back power source, and the probability of dripping at the discharge port of the angle seat valve body 1 can be effectively reduced. Meanwhile, the valve core sealing gasket 9 can improve the sealing effect of the valve core sealing gasket and the valve core 7 on the angle seat valve body 1, and the superposed gaskets 51 can improve the matching sealing property of the angle seat valve body 1 and the valve rod 3, so that the braking instantaneity and the sealing property of the device are improved.
When the cylinder drives the piston 4 to drive the valve rod 3 to move upwards, the tail end of the valve rod 3 drives the valve core 7 and the sealing gasket to leave the on-off opening in the valve body 1 of the angle seat, so that the tail end of the valve is in an open state; in contrast, the cylinder drives the piston 4 to drive the valve rod 3 to move downwards, so that the valve core sealing gasket 9 is pressed together with the metal sealing surface of the valve body, the valve is in a closed state, at the moment, the equipment negative pressure system is connected with liquid in the filling pipe, and back suction is performed, so that no liquid leakage is ensured.
In order to improve the practicality of the device, the valve rod 3 in the device comprises a movable execution part 3b, the movable execution part 3b is connected with a valve core 7, a power connection part 3c penetrating through the top of the cylinder body 2 is arranged at the top of the movable execution part 3b, an optical shaft sleeve (not shown in the figure) is arranged on the side surface of the power connection part 3c, and a mounting groove 2a for mounting the optical shaft sleeve is arranged at the top of the cylinder body 2. The movable execution part 3b has the same length as the existing valve rod 3, only the end part of the movable execution part is tapped to be used as a part of the valve rod 3 in the device, and the movable execution part is connected with the power connection part 3c to establish effective connection with a back suction power source, so that the aim of saving the manufacturing cost of the valve rod is fulfilled. The optical axis sleeve reduces the movement resistance of the power connection portion 3c on the one hand and serves the purpose of sealing the cylinder block 2 on the other hand.
In the present device, the sealing assembly 5 includes, but is not limited to, a stacked gasket 51, such as a plurality of O-rings provided in the interior of a cylinder, etc., and in order to improve the sealing performance of the stacked gasket 51, the present utility model designs the stacked gasket 51 to include a gasket body 51a, the top and bottom of the gasket body 51a are provided with ring grooves 51b and ring protrusions 51c, the ring grooves 51b have a semicircular cross section, and the ring protrusions 51c have a triangular cross section. In this way, a certain elastic gap exists between the adjacent stacked gaskets 51, the axial sealing span of the stacked gaskets can be lengthened, and the matching tightness of the angle seat valve body 1 and the valve rod 3 can be fully ensured in cooperation with the second spring 6 b.
In order to improve the tightness of the corner seat valve body 1 after braking, the valve core sealing gasket 9 provided by the utility model is in interference fit with a valve hole arranged in the corner seat valve body 1. The flow which flows out in the braking moment inside the angle seat valve body 1 is reduced, so that the back suction effect is improved, and the drip-proof effect of the device is improved.
Furthermore, the valve core 7 provided by the utility model is provided with the pressing pad groove 7a at one side of the valve core 7 facing away from the valve core sealing pad 9, the pressing pad groove 7a is provided with the dish-shaped gaskets 10, the dish-shaped gaskets 10 are elastic, the inner edges of some dish-shaped gaskets are also provided with the elastic sheets, the stability of the valve core 7 and the valve core sealing pad 9 sitting at the internal break of the angle seat valve body 1 can be improved under the elastic action, and the connection reliability of the nut 8 can be improved.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (5)
1. The utility model provides a take back and inhale pneumatic control angle seat valve, includes the angle seat valve body, be provided with the cylinder block on one valve port of angle seat valve body, the inside of cylinder block is provided with valve rod, piston, sealing component and spring assembly, spring assembly is including setting up the first spring between cylinder block internal top and piston and setting up the second spring between cylinder block and angle seat valve body, be provided with the spring groove that is used for installing the second spring on the angle seat valve body, the loose end of valve rod is provided with the case that stretches into the inside of angle seat valve body, its characterized in that, the loose end of valve rod is provided with the nut rather than threaded connection, be provided with case sealing gasket between nut and the case, the valve rod is hollow structure and its inside is the back suction passageway, the back suction passageway is used for being connected with the back suction power source, sealing component is including setting up a plurality of superpose gaskets in spring groove internal bottom.
2. The valve with suction air control angle seat according to claim 1, wherein the valve rod comprises a movable execution part, the movable execution part is connected with the valve core, a power connection part penetrating through the top of the cylinder body is arranged at the top of the movable execution part, an optical shaft sleeve is arranged on the side face of the power connection part, and a mounting groove for mounting the optical shaft sleeve is arranged at the top of the cylinder body.
3. The valve of claim 2, wherein the stacked gasket comprises a gasket body, ring grooves and ring protrusions are distributed on the top and bottom of the gasket body, the ring grooves are semicircular in cross section, and the ring protrusions are triangular in cross section.
4. The valve with suction air control angle seat according to claim 3, wherein the valve core sealing gasket is in interference fit with a valve hole provided inside the angle seat valve body.
5. The valve with suction air control angle seat according to claim 4, wherein the valve core is provided with a pressure pad groove on a side thereof facing away from the valve core sealing pad, and a dished gasket is provided in the pressure pad groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321490581.2U CN219954271U (en) | 2023-06-13 | 2023-06-13 | Angle seat valve with back suction air control function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321490581.2U CN219954271U (en) | 2023-06-13 | 2023-06-13 | Angle seat valve with back suction air control function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219954271U true CN219954271U (en) | 2023-11-03 |
Family
ID=88536202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321490581.2U Active CN219954271U (en) | 2023-06-13 | 2023-06-13 | Angle seat valve with back suction air control function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219954271U (en) |
-
2023
- 2023-06-13 CN CN202321490581.2U patent/CN219954271U/en active Active
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