CN210770318U - Pneumatic angle seat valve - Google Patents
Pneumatic angle seat valve Download PDFInfo
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- CN210770318U CN210770318U CN201920856936.2U CN201920856936U CN210770318U CN 210770318 U CN210770318 U CN 210770318U CN 201920856936 U CN201920856936 U CN 201920856936U CN 210770318 U CN210770318 U CN 210770318U
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- rod sleeve
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- seat
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Abstract
The utility model relates to a pneumatic angle seat valve, mainly solved the structure of the existing pneumatic angle seat valve complicated, do not utilize technical problem such as production and equipment, its characterized in that the valve body and pneumatic head between fixedly connected through the rod cover, the rod cover include rod cover seat and rod cover body, the rod cover seat is fixed on the bottom of pneumatic head, rod cover body one end and rod cover seat sealing connection, the other end and valve body sealing connection, the piston rod is arranged in the rod cover one end and is fixed with the piston plate of pneumatic head, the other end and valve plate are fixed in the valve body; and a sealing filler is arranged between the rod sleeve and the piston rod. The rod sleeve is arranged between the pneumatic head and the valve body, so that the piston rod can be arranged in the rod sleeve, and the sealing filler is arranged between the rod sleeve and the piston rod, so that the production and the assembly are facilitated, the production and the assembly benefits are improved, and the production cost is reduced; moreover, the sealing performance of the angle seat valve can be effectively ensured, and the use safety of the valve is ensured.
Description
Technical Field
The utility model relates to an automatic change control system's auxiliary device, more specifically the pneumatic actuator that says so relates to, mainly be applied to the valve open with closed automatic control.
Background
An angle seat valve, also called a skew angle valve, is one of the angle valves. The angle seat valve is widely applied to equipment frequently started in short time, such as food, medicine, industry, washing, petrifaction, metallurgy, spraying and the like, has the characteristics of sensitive response and accurate action, is matched with an electromagnetic valve for use, and can accurately control the medium flow by pneumatic control.
Because the existing angle seat valve has the advantages of complex structure, more complex installation, low production and assembly benefits and relatively high production cost.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems that the existing pneumatic angle seat valve is complex in structure and does not utilize production, assembly and the like, the utility model provides a pneumatic angle seat valve which is simple in structure, convenient to produce and assemble and capable of improving production and assembly benefits; meanwhile, the sealing performance and the use safety of the angle seat valve can be effectively guaranteed.
In order to solve the technical problems, the technical scheme adopted by the utility model is a pneumatic angle seat valve, which comprises a pneumatic head and a valve body, wherein the pneumatic head is fixed with the valve body, and one end of a piston rod in the pneumatic head is arranged in the valve body and is connected with a valve plate; the pneumatic valve is characterized in that the valve body is fixedly connected with the pneumatic head through a rod sleeve, the rod sleeve comprises a rod sleeve seat and a rod sleeve body, the rod sleeve seat is fixed on a bottom cover of the pneumatic head, one end of the rod sleeve body is hermetically connected with the rod sleeve seat, the other end of the rod sleeve body is hermetically connected with the valve body, a piston rod is arranged in the rod sleeve, one end of the piston rod is fixed with a piston plate of the pneumatic head, and the other end of the piston rod is fixedly arranged in the valve body together with a valve plate; and a sealing filler is arranged between the rod sleeve and the piston rod.
Furthermore, the rod sleeve body is internally provided with a counter bore, the bottom of the counter bore is provided with a conical hole, the sealing filler comprises a plurality of filler blocks and a filler spring, the filler blocks are sleeved outside the piston rod and are arranged in the counter bore, the filler blocks are hermetically attached to the conical surface of the conical hole and the inner side wall of the counter bore, one end of the filler spring is abutted against the filler blocks, and the other end of the filler spring is abutted against the bottom of the rod sleeve seat.
Furthermore, an annular block is arranged on the outer side of one end of the rod sleeve body, an annular step hole is formed in the pneumatic head bottom cover, and the rod sleeve seat is arranged in the annular step hole and fixedly connected with the rod sleeve body; the annular block is arranged at the step of the annular step hole, and a first sealing ring is arranged between the annular block and the annular step hole.
Furthermore, the rod sleeve seat is in a T shape, and the outer side of the rod sleeve seat is provided with connecting threads and sleeved with an elastic sheet; a counter bore at one end of the rod sleeve body is internally provided with threads, and the other end of the rod sleeve body is provided with a thread cap; the elastic sheet is arranged between the rod sleeve seat and the pneumatic head bottom cover, and one end of the rod sleeve seat penetrates through the annular step hole to be in threaded connection with the counter bore of the rod sleeve body; the valve body on be equipped with threaded mount pad, screw cap and mount pad threaded connection just be equipped with the second sealing washer between screw cap and mount pad.
Furthermore, a dismounting block with a hexagonal section is arranged above the threaded cap of the rod sleeve body, and the dismounting block and the threaded cap are of an integrated structure.
The valve plate is provided with a valve seat, a valve rod is arranged in the valve seat, the valve rod is connected with the valve plate through a bolt hole, the end part of the end, connected with the valve plate, of the piston rod is provided with a pin hole, the top end face of the valve plate is provided with a piston hole, the valve plate is further internally provided with a bolt hole penetrating through the piston hole, and one end of the piston rod is inserted into the piston hole of the valve plate and is fixedly connected with the valve plate through the.
Furthermore, an annular groove is arranged on the bottom end face of the valve plate, a clamping column is arranged in the center of the annular groove, the outer diameter of the clamping column is smaller than the inner diameter of a medium flow opening of the valve body, and an inverted retaining ring extending outwards is arranged at the top end of the clamping column; the annular groove in be equipped with sealed the pad, be equipped with the locking pad above sealed the pad, sealed pad and locking pad overlap respectively and establish outside the card post and the outer terminal surface of locking pad is laminated with the back-off ring mutually.
The utility model has the advantages that the rod sleeve is arranged between the pneumatic head and the valve body, so that the piston rod can be arranged in the rod sleeve, and the sealing filler is arranged between the rod sleeve and the piston rod, thereby facilitating the production and assembly, improving the benefit of the production and assembly and reducing the production cost; moreover, the sealing performance of the angle seat valve can be effectively ensured, and the use safety of the valve is ensured.
Drawings
FIG. 1 is a three-dimensional structure diagram of a pneumatic angle seat valve of the present invention
FIG. 2 is a sectional view of the pneumatic angle seat valve of the embodiment of the present invention
FIG. 3 is a perspective view of the rod cover body in the embodiment of the present invention
FIG. 4 is a perspective view of the piston rod according to the embodiment of the present invention
FIG. 5 is a front perspective view of the valve plate in the embodiment of the present invention
FIG. 6 is a perspective view of the bottom of the valve plate in the embodiment of the present invention
Detailed Description
The embodiments of the present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1-6, the utility model relates to a pneumatic angle seat valve, which comprises a pneumatic head 1 and a valve body 2, wherein the pneumatic head 1 is fixed with the valve body 2, and one end of a piston rod 11 in the pneumatic head 1 is arranged in the valve body 2 and connected with a valve plate 3; the valve body 2 is fixedly connected with the pneumatic head 1 through the rod sleeve 4, the rod sleeve 4 comprises a rod sleeve seat 41 and a rod sleeve body 42, the rod sleeve seat 41 is fixed on a bottom cover 12 of the pneumatic head 1, one end of the rod sleeve body 42 is hermetically connected with the rod sleeve seat 41, the other end of the rod sleeve body 42 is hermetically connected with the valve body 1, one end of a piston rod 11 is arranged in the rod sleeve 4 and is fixed with a piston plate 13 of the pneumatic head 1, and the other end of the piston rod 11 and a valve plate 3 are fixedly arranged in the valve body 2; a sealing filler 5 is arranged between the rod sleeve 4 and the piston rod 11; the rod sleeve 4 is arranged between the pneumatic head 1 and the valve body 2, so that the piston rod 11 can be arranged in the rod sleeve 4, and the sealing filler 5 is arranged between the rod sleeve 4 and the piston rod 11, so that the production and the assembly are facilitated, the production and the assembly benefits are improved, and the production cost is reduced; moreover, the sealing performance of the angle seat valve can be effectively ensured, and the use safety of the valve is ensured.
In this embodiment, a counterbore 421 is provided in the rod sleeve body 42, a tapered hole 422 is provided at the bottom of the counterbore 421, the seal packing 5 includes a plurality of packing blocks 51 and a packing spring 52, the packing blocks 51 are sleeved outside the piston rod 11 and are arranged in the counterbore 421 and are in sealing fit with the tapered surface of the tapered hole 422 and the inner side wall of the counterbore 421, one end of the packing spring 52 is pressed against the packing blocks 51, and the other end is pressed against the bottom of the rod sleeve seat 41; the counter bore 421 is arranged in the rod sleeve body 42, and the conical hole 422 is arranged at the bottom of the counter bore 421, so that the installation of the piston rod 11 is facilitated, meanwhile, the installation of the sealing filler 5 between the piston rod 11 and the rod sleeve 4 is ensured, and the sealing performance of the angle seat valve is ensured.
In this embodiment, an annular block 423 is disposed at an outer side of one end of the rod sleeve body 42, an annular stepped hole is disposed on the bottom cover 12 of the pneumatic head 1, and the rod sleeve seat 41 is disposed in the annular stepped hole and fixedly connected to the rod sleeve body 42; the annular block 423 is arranged at the step of the annular stepped hole, and a first sealing ring 424 is arranged between the annular block 423 and the annular stepped hole; the annular stepped hole is formed in the bottom cover 12 of the pneumatic head 1, so that the rod sleeve body 42 and the first sealing ring 424 can be conveniently installed, and the air tightness between the rod sleeve 4 and the bottom cover 12 of the pneumatic head 1 and the service performance of the angle seat valve are guaranteed.
In this embodiment, the rod sleeve seat 41 is T-shaped, and the outer side of the rod sleeve seat 41 is provided with a connecting thread and sleeved with a spring plate 411; a counter bore 421 at one end of the rod sleeve body 42 is internally provided with threads, and the other end of the rod sleeve body is provided with a threaded cap 425; the elastic sheet 411 is arranged between the rod sleeve seat 41 and the bottom cover 12 of the pneumatic head 1, and one end of the rod sleeve seat 41 penetrates through the annular step hole to be in threaded connection with the counter bore 421 of the rod sleeve body 42; the valve body 2 is provided with a mounting seat 21 with screw threads, the screw cap 425 is in screw thread connection with the mounting seat 21, and a second sealing ring 426 is arranged between the screw cap 425 and the mounting seat 21; by arranging the elastic sheet 411 on the rod sleeve seat 41, the connection firmness between the rod sleeve seat 41 and the bottom cover 12 of the pneumatic head 1 can be effectively ensured, the rotation or the sliding of the rod sleeve seat 41 is prevented, and the air tightness of the bottom cover 12 of the pneumatic head 1 and the service performance of the angle seat valve are ensured; the valve body 2 is provided with the mounting seat 21, so that the threaded cap 425 of the rod sleeve 4 can be quickly and fixedly connected with the valve body 2 to improve the assembly benefit when being assembled; the second sealing ring 426 can ensure the sealing performance between the threaded cap 425 and the valve body 2, and effectively prevent the sealing performance between the pneumatic head 1 and the valve body 2.
In this embodiment, a detaching block 427 with a hexagonal cross section is disposed above the screw cap 425 of the rod sleeve body 42, and the detaching block 427 and the screw cap 425 are an integral structure; the disassembly block 427 is arranged on the threaded cap 425, so that the assembly of the rod sleeve body 42 is facilitated, and the connection firmness and the sealing performance of the rod sleeve body 42 and the valve body 2 are ensured; moreover, when the valve plate 3 needs to be replaced, the valve plate can be quickly detached, so that the valve plate is convenient to maintain and replace, the maintenance benefit is improved, the maintenance cost is reduced, and the service life of the angle seat valve is prolonged.
In this embodiment, a pin hole 111 is provided at one end of the piston rod 11 connected to the valve plate 3, a piston hole 31 is provided at the top end surface of the valve plate 3, a plug hole 32 penetrating the piston hole 31 is further provided in the valve plate 3, one end of the piston rod 11 is inserted into the piston hole 31 of the valve plate 3, and the piston rod 11 is fixedly connected to the valve plate 3 by inserting the plug into the plug hole 32 and the pin hole 111 of the valve plate 3; the valve plate 3 is provided with the bolt hole 32, so that the piston rod 11 can be conveniently produced and assembled with the valve plate 3 by using a bolt when the piston rod 11 is installed, and the production benefit is improved; moreover, the valve plate 3 can be conveniently replaced when the valve plate 3 is damaged, so that the pneumatic head 1 does not need to be replaced, and the service life of the angle seat valve is effectively prolonged.
In this embodiment, an annular groove 33 is provided on the bottom end surface of the valve plate 3, a clamping column 34 is provided at the center of the annular groove 33, the outer diameter of the clamping column 34 is smaller than the inner diameter of the medium flow opening on the valve body 2, and an inverted ring 35 extending outward is provided at the top end of the clamping column 34; a sealing gasket 36 is arranged in the annular groove 33, a locking pad 37 is arranged above the sealing gasket 36, the sealing gasket 36 and the locking pad 37 are respectively sleeved outside the clamping column 34, and the outer end surface of the locking pad 37 is attached to the inverted ring 35; through the arrangement of the clamping column 34 and the inverted retaining ring 35, the fixing of the locking pad 37 of the sealing pad 36 can be facilitated, and the sealing performance of the angle seat valve when the valve plate 3 is closed is ensured; moreover, when the sealing gasket 36 is damaged, the replacement can be facilitated, and the service life of the angle seat valve is effectively prolonged.
The above embodiments should not be considered as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of the present invention.
Claims (7)
1. A pneumatic angle seat valve comprises a pneumatic head and a valve body, wherein the pneumatic head is fixed with the valve body, and one end of a piston rod in the pneumatic head is arranged in the valve body and connected with a valve plate; the pneumatic valve is characterized in that the valve body is fixedly connected with the pneumatic head through a rod sleeve, the rod sleeve comprises a rod sleeve seat and a rod sleeve body, the rod sleeve seat is fixed on a bottom cover of the pneumatic head, one end of the rod sleeve body is hermetically connected with the rod sleeve seat, the other end of the rod sleeve body is hermetically connected with the valve body, a piston rod is arranged in the rod sleeve, one end of the piston rod is fixed with a piston plate of the pneumatic head, and the other end of the piston rod is fixedly arranged in the valve body together with a valve plate; and a sealing filler is arranged between the rod sleeve and the piston rod.
2. The pneumatic angle seat valve according to claim 1, wherein the rod sleeve body is internally provided with a counter bore, the bottom of the counter bore is provided with a tapered hole, the sealing filler comprises a plurality of filler blocks and a filler spring, the filler blocks are sleeved outside the piston rod and are arranged in the counter bore and are in sealing fit with the tapered surface of the tapered hole and the inner side wall of the counter bore, one end of the filler spring is pressed against the filler blocks, and the other end of the filler spring is pressed against the bottom of the rod sleeve seat.
3. The pneumatic angle seat valve as claimed in claim 1 or 2, wherein an annular block is provided at an outer side of one end of the rod sleeve body, an annular stepped hole is provided in the bottom cover of the pneumatic head, and the rod sleeve seat is disposed in the annular stepped hole and fixedly connected with the rod sleeve body; the annular block is arranged at the step of the annular step hole, and a first sealing ring is arranged between the annular block and the annular step hole.
4. The pneumatic angle seat valve of claim 3, wherein the rod sleeve seat is T-shaped, and the outer side of the rod sleeve seat is provided with a connecting thread and sleeved with an elastic sheet; a counter bore at one end of the rod sleeve body is internally provided with threads, and the other end of the rod sleeve body is provided with a thread cap; the elastic sheet is arranged between the rod sleeve seat and the pneumatic head bottom cover, and one end of the rod sleeve seat penetrates through the annular step hole to be in threaded connection with the counter bore of the rod sleeve body; the valve body on be equipped with threaded mount pad, screw cap and mount pad threaded connection just be equipped with the second sealing washer between screw cap and mount pad.
5. A pneumatic angle seat valve as claimed in claim 4, wherein a removal block having a hexagonal cross-section is provided above the screw cap of the stem sleeve body, and the removal block and the screw cap are of an integral structure.
6. The pneumatic angle seat valve of claim 5, wherein the end of the piston rod connected to the valve plate is provided with a pin hole, the top end surface of the valve plate is provided with a piston hole, the valve plate is further provided with a pin hole penetrating through the piston hole, and one end of the piston rod is inserted into the piston hole of the valve plate and is fixedly connected with the valve plate by inserting the pin into the pin hole and the pin hole of the valve plate.
7. A pneumatic angle seat valve according to claim 6, characterized in that an annular groove is provided on the bottom end face of the valve plate, a clamping column is provided at the center of the annular groove, the outer diameter of the clamping column is smaller than the inner diameter of the medium flow opening of the valve body, and an inverted retaining ring extending outward is provided at the top end of the clamping column; the annular groove in be equipped with sealed the pad, be equipped with the locking pad above sealed the pad, sealed pad and locking pad overlap respectively and establish outside the card post and the outer terminal surface of locking pad is laminated with the back-off ring mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920856936.2U CN210770318U (en) | 2019-06-06 | 2019-06-06 | Pneumatic angle seat valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920856936.2U CN210770318U (en) | 2019-06-06 | 2019-06-06 | Pneumatic angle seat valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210770318U true CN210770318U (en) | 2020-06-16 |
Family
ID=71043009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920856936.2U Active CN210770318U (en) | 2019-06-06 | 2019-06-06 | Pneumatic angle seat valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210770318U (en) |
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2019
- 2019-06-06 CN CN201920856936.2U patent/CN210770318U/en active Active
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