CN214197257U - Pneumatic control valve convenient to dismouting - Google Patents
Pneumatic control valve convenient to dismouting Download PDFInfo
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- CN214197257U CN214197257U CN202021960302.0U CN202021960302U CN214197257U CN 214197257 U CN214197257 U CN 214197257U CN 202021960302 U CN202021960302 U CN 202021960302U CN 214197257 U CN214197257 U CN 214197257U
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Abstract
The utility model relates to a pneumatic regulating valve convenient for disassembly and assembly, which comprises a pneumatic actuator and a bracket which are sequentially connected from top to bottom, valve gap and valve body, pneumatic actuator's output shaft is connected with the one end of valve rod, the valve rod passes the valve gap and extends to the valve body inner chamber, the other end of valve rod is connected with the end cap, the end cap is connected with the case, the top periphery of valve body is equipped with the flange, the bottom periphery of valve gap is equipped with the ring channel with flange looks adaptation, threaded connection between the flange of valve body and the ring channel of valve gap, valve gap bottom circumference is equipped with a plurality of constant head tanks, the center of every constant head tank is equipped with location portion, the top circumference of valve body is equipped with the recess that corresponds with the constant head tank, be equipped with the spring in the recess, the both ends of spring respectively with recess bottom and constant head tank top looks butt, the periphery of. The utility model is simple in operation, the dismouting of being convenient for, dismouting are efficient.
Description
Technical Field
The utility model relates to a pneumatic control valve technical field especially relates to a pneumatic control valve convenient to dismouting.
Background
The pneumatic regulating valve takes compressed air as a power source, takes an air cylinder as an actuator, drives a valve by means of accessories such as an electric valve positioner, a converter, an electromagnetic valve, a position-retaining valve and the like, realizes switching value or proportional regulation, and receives a control signal of an industrial automatic control system to regulate a pipeline medium: flow rate, pressure, temperature, etc. The pneumatic regulating valve has the characteristics of simple control, quick response and intrinsic safety, and no additional explosion-proof measures are needed.
The existing pneumatic regulating valve is of an integrally formed structure and is inconvenient to disassemble, inspect and maintain when a fault occurs.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a pneumatic control valve convenient to dismouting to solve the problem that proposes in the above-mentioned background art.
The utility model provides a pneumatic control valve convenient for disassembly and assembly, which comprises a pneumatic actuator, a bracket, a valve cover and a valve body which are sequentially connected from top to bottom, wherein the output shaft of the pneumatic actuator is connected with one end of a valve rod, the valve rod passes through the valve cover and extends to the inner cavity of the valve body, the other end of the valve rod is connected with an end cap, the end cap is connected with a valve core, the periphery of the top of the valve body is provided with a flange, the periphery of the bottom of the valve cover is provided with a ring groove matched with the flange, the flange of the valve body is in threaded connection with the ring groove of the valve cover, the periphery of the bottom of the valve cover is provided with a plurality of positioning grooves, the center of each positioning groove is provided with a positioning part, the periphery of the top of the valve body is provided with a groove corresponding to the positioning groove, a spring is arranged in the groove, and the axes of the positioning part, the positioning groove, the groove and the spring are on the same central line, the two ends of the spring are respectively abutted against the bottom of the groove and the top of the positioning groove, the upper portion of the spring is sleeved on the periphery of the positioning portion, and the valve body is connected with the valve cover through a locking fixing component.
Preferably, the fixed subassembly of locking includes latch hook, hasp, base and handle, the latch hook is installed the periphery of valve body, the pedestal mounting is in the periphery of valve gap, the lower part and the base of handle rotate to be connected, transversely wear to be equipped with its pivoted spliced pole relatively on the handle, the spliced pole is worn to establish and can be followed perpendicularly at the both ends of hasp spliced pole axial direction slides, the both sides that the both ends of hasp are located even the post are equipped with the retaining member, retaining member and hasp threaded connection are through pressing or turning over the handle, in order to realize the hasp and the lock joint of latch hook or break away from.
In any one of the above schemes, preferably, a sealing ring is arranged between the valve body and the valve cover, and the top of the valve body and the bottom of the valve cover are respectively provided with an accommodating groove which is installed in a matching way with the sealing ring.
In any of the above embodiments, preferably, the cross section of the seal ring is H-shaped.
In any of the above aspects, the positioning portion is preferably formed in an inverted conical structure.
In any of the above embodiments, preferably, an end surface of the plug is a spherical structure.
Compared with the prior art, the utility model has the advantages and beneficial effects do:
1. the valve cover and the valve body are of a split structure design, and the valve cover and the valve body can be detached so as to facilitate the later-stage disassembly inspection and maintenance work of the pneumatic regulating valve.
2. The valve cover is in threaded connection with the valve body, and the spring is arranged between the valve cover and the valve body to ensure the connection strength between the valve cover and the valve body. Connection structure between valve gap and the valve body compares with traditional bolt tightening structure, easy operation, easy dismounting need not dismouting one by one, labour saving and time saving improves work efficiency.
3. The valve body and the valve cover are fixed by the locking and fixing component, so that on one hand, the strength of a connecting structure between the valve cover and the valve body can be further ensured, and the phenomenon of thread slipping between the valve cover and the valve body is avoided; on the other hand, easy dismounting directly can realize fastening and the release between valve gap and the valve body through pressing or upturning the handle, improves dismouting efficiency.
4. The positioning part is arranged in an inverted cone structure, so that the positioning part can be rapidly inserted into the spring, and rapid positioning can be realized. Meanwhile, when the valve cover and the valve body are rotatably installed, the inverted conical structure can avoid mutual friction contact between the positioning portion and the spring to influence installation between the valve cover and the valve body.
The pneumatic control valve convenient to disassemble and assemble according to the present invention will be further described with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of a pneumatic control valve convenient to disassemble and assemble according to the present invention;
FIG. 2 is a view of the installation structure between the valve cover and the valve body of the pneumatic control valve convenient for disassembly and assembly of the present invention;
FIG. 3 is a partial structure view of a valve cover of the pneumatic control valve convenient for disassembly and assembly of the present invention;
FIG. 4 is a partial structure view of a valve body of the pneumatic control valve convenient for disassembly and assembly of the present invention;
FIG. 5 is a schematic structural view of a locking and fixing assembly of the pneumatic control valve of the present invention, which is easy to disassemble and assemble;
wherein: 1. a valve body; 101. a flange; 102. a groove; 2. a valve cover; 201. positioning a groove; 202. a positioning part; 203. an annular groove; 3. a support; 4. a pneumatic actuator; 5. a valve stem; 6. a plug; 7. a seal ring; 8. a spring; 9. a latch hook; 10. locking; 11. a base; 12. a handle; 13. connecting columns; 14. and a locking member.
Detailed Description
As shown in fig. 1-4, the utility model provides a pneumatic control valve convenient to dismouting, including pneumatic actuator 4, a support 3, a valve cover 2 and a valve body 1 which are connected in sequence from top to bottom, the output shaft of pneumatic actuator 4 is connected with one end of a valve rod 5, the valve rod 5 passes through the valve cover 2 and extends to the inner cavity of the valve body 1, the other end of the valve rod 5 is connected with a plug 6, the plug 6 is connected with a valve core, the top periphery of the valve body 1 is provided with a flange 101, the bottom periphery of the valve cover 2 is provided with a ring groove 203 matched with the flange 101, the flange 101 of the valve body 1 is in threaded connection with the ring groove 203 of the valve cover 2, the bottom periphery of the valve cover 2 is provided with a plurality of positioning grooves 201, the center of each positioning groove 201 is provided with a positioning portion 202, the top periphery of the valve body 1 is provided with a groove 102 corresponding to the positioning groove 201, a spring 8 is arranged in the groove 102, the two ends of the spring 8 are respectively abutted against the bottom of the groove 102 and the top of the positioning groove 201, the upper portion of the spring 8 is fitted around the outer periphery of the positioning portion 202.
Specifically, valve gap 2 and valve body 1 threaded connection, and the setting of spring 8 between valve gap 2 and the valve body 1 is in order to guarantee the joint strength between valve gap 2 and the valve body 1. In addition, the position of the positioning groove 201 on the valve cover 2 corresponds to the position of the groove 102 on the valve body 1, the positioning portion 202 is arranged in the center of the positioning groove 201, the spring 8 is arranged on the groove 102, the axes of the positioning portion 202, the positioning groove 201, the groove 102 and the spring 8 are on the same central line, when the valve cover 2 and the valve body 1 are installed, the positioning portion 202 directly corresponds to the center of the spring 8, the positioning groove 201 and the spring 8 do not need to be aligned when the valve cover 2 and the valve body 1 rotate, the valve cover 2 can be directly screwed into the valve body 1, and the spring 8 slides in the groove cavity of the positioning groove 201 and cannot be separated from the groove cavity of the positioning groove 201.
In this embodiment, valve gap 2 and valve body 1 are split type structural design, and both can dismantle to the later stage is to pneumatic control valve's the inspection of taking apart and maintenance work. And the connection structure between the valve cover 2 and the valve body 1 is compared with the traditional bolt tightening structure, so that the valve is simple to operate and convenient to disassemble and assemble, the valve is not required to be disassembled and assembled one by one, time and labor are saved, and the working efficiency is improved.
Further, as shown in fig. 5, the valve body 1 and the valve cover 2 are connected by two locking fixing assemblies, wherein the two locking fixing assemblies are symmetrically arranged. The fixed subassembly of locking includes latch hook 9, hasp 10, base 11 and handle 12, the periphery at valve body 1 is installed to latch hook 9, base 11 installs the periphery at valve gap 2, the lower part and the base 11 of handle 12 rotate to be connected, transversely wear to be equipped with its pivoted spliced pole 13 relatively on the handle 12, spliced pole 13 is worn to establish at the both ends of hasp 10 and can slide along perpendicular spliced pole 13 axial direction, the both sides that the both ends of hasp 10 are located spliced pole 13 are equipped with retaining member 14, retaining member 14 and hasp 10 threaded connection, through pressing or turning over the handle on, in order to realize hasp 10 and latch hook 9's lock joint or break away from, thereby the realization is to fastening and release between valve gap 2 and the valve body 1.
The locking member 14 is a nut, the lock catch 10 is a U-shaped structure, and the locking member 14 is in threaded connection with the lock catch 10. A locking member 14 to achieve the fixation between the lock catch 10 and the connecting post 13. Specifically, by unscrewing the locking member 14, the lock catch 10 slides along the axial direction perpendicular to the connecting column 13, so as to finely adjust the distance between the lock catch 10 and the lock hook 9, and to match the clamping distance between the lock catch 10 and the lock hook 9, so as to ensure the clamping strength between the lock catch 10 and the lock hook 9.
In the structure, the locking fixing component is adopted, so that on one hand, the strength of the connecting structure between the valve cover 2 and the valve body 1 can be further ensured, and the phenomenon of thread slipping between the valve cover 2 and the valve body 1 is avoided; on the other hand, easy dismounting directly can realize fastening and the release between valve gap 2 and the valve body 1 through pressing or upturning the handle, improves dismouting efficiency.
Further, be equipped with sealing washer 7 between valve body 1 and the valve gap 2, the top of valve body 1 and the bottom of valve gap 2 are equipped with the holding tank of installing with sealing washer 7 adaptation respectively. In the structure, the sealing ring 7 is arranged to ensure the sealing performance between the valve body 1 and the valve cover 2.
Furthermore, the section of the sealing ring 7 is H-shaped, so that a double-layer sealing structure is formed between the valve body 1 and the valve cover 2, and the sealing performance between the valve body 1 and the valve cover 2 is ensured.
Further, the positioning portion 202 is formed in an inverted cone structure, so that the positioning portion 202 is quickly inserted into the spring 8, and quick positioning is achieved. Meanwhile, when the valve cover 2 and the valve body 1 are rotatably installed, the inverted conical structure can avoid the mutual friction contact between the positioning part 202 and the spring 8, and the installation between the valve cover 2 and the valve body 1 is influenced.
Furthermore, the end face of the plug 6 is designed to be a spherical structure, and the spherical structure is tangent to the inclined plane inside the valve core, so that the end face can be tightly attached to the inclined plane inside the valve core.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (6)
1. The utility model provides a pneumatic control valve convenient to dismouting which characterized in that: the pneumatic actuator comprises a pneumatic actuator, a support, a valve cover and a valve body which are sequentially connected from top to bottom, wherein an output shaft of the pneumatic actuator is connected with one end of a valve rod, the valve rod penetrates through the valve cover and extends to an inner cavity of the valve body, the other end of the valve rod is connected with a plug, the plug is connected with a valve core, a flange is arranged on the periphery of the top of the valve body, a ring groove matched with the flange is arranged on the periphery of the bottom of the valve cover, the flange of the valve body is in threaded connection with the ring groove of the valve cover, a plurality of positioning grooves are circumferentially arranged at the bottom of the valve cover, a positioning part is arranged at the center of each positioning groove, a groove corresponding to the positioning groove is circumferentially arranged at the top of the valve body, a spring is arranged in the groove, the axes of the positioning parts, the positioning grooves, the grooves and the top of the positioning grooves are on the same central line, and two ends of the spring are respectively abutted against the bottom of the groove and the top of the positioning grooves, the upper portion of spring is located the periphery of location portion, still be connected through locking fixed subassembly between valve body and the valve gap.
2. The pneumatic control valve convenient to disassemble and assemble according to claim 1, wherein: the fixed subassembly of locking includes latch hook, hasp, base and handle, the latch hook is installed the periphery of valve body, the pedestal mounting be in the periphery of valve gap, the lower part and the base of handle rotate to be connected, transversely wear to be equipped with relative its pivoted spliced pole on the handle, the spliced pole is worn to establish and can be followed perpendicularly at the both ends of hasp spliced pole axial direction slides, the both ends of hasp are located the both sides of even post and are equipped with the retaining member, retaining member and hasp threaded connection are through pressing or turning over the handle, in order to realize the hasp and the lock joint of latch hook or break away from.
3. The pneumatic control valve convenient to disassemble and assemble according to claim 1, wherein: be equipped with the sealing washer between valve body and the valve gap, the top of valve body and the bottom of valve gap are equipped with the holding tank of installing with the sealing washer adaptation respectively.
4. The pneumatic control valve convenient to disassemble and assemble according to claim 3, wherein: the section of the sealing ring is H-shaped.
5. The pneumatic control valve convenient to disassemble and assemble according to claim 1, wherein: the positioning part is of an inverted cone structure.
6. The pneumatic control valve convenient to disassemble and assemble according to claim 1, wherein: the end face of the plug is of a spherical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021960302.0U CN214197257U (en) | 2020-09-09 | 2020-09-09 | Pneumatic control valve convenient to dismouting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021960302.0U CN214197257U (en) | 2020-09-09 | 2020-09-09 | Pneumatic control valve convenient to dismouting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214197257U true CN214197257U (en) | 2021-09-14 |
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ID=77628834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021960302.0U Active CN214197257U (en) | 2020-09-09 | 2020-09-09 | Pneumatic control valve convenient to dismouting |
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| Country | Link |
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| CN (1) | CN214197257U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833863A (en) * | 2021-09-28 | 2021-12-24 | 超达阀门集团股份有限公司 | Governing valve convenient to dismantle |
| CN113898751A (en) * | 2021-10-08 | 2022-01-07 | 精工阀门集团有限公司 | Elastic seat seal gate valve convenient to assemble and disassemble |
-
2020
- 2020-09-09 CN CN202021960302.0U patent/CN214197257U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833863A (en) * | 2021-09-28 | 2021-12-24 | 超达阀门集团股份有限公司 | Governing valve convenient to dismantle |
| CN113898751A (en) * | 2021-10-08 | 2022-01-07 | 精工阀门集团有限公司 | Elastic seat seal gate valve convenient to assemble and disassemble |
| CN113898751B (en) * | 2021-10-08 | 2023-07-04 | 精工阀门集团有限公司 | Elastic seat seal gate valve convenient to assemble and disassemble |
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