CN213900043U

CN213900043U - Pneumatic valve cover shell convenient for sealing connection

Info

Publication number: CN213900043U
Application number: CN202022981701.1U
Authority: CN
Inventors: 梁永华; 陈良; 黄春霞
Original assignee: Changshu Shanda Metal Products Co ltd
Current assignee: Changshu Shanda Metal Products Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-08-06
Anticipated expiration: 2030-12-11

Abstract

The utility model discloses a pneumatic valve lid shell convenient to sealing connection, which comprises a housing, the shell internal surface is provided with a protective layer, the shell both sides are provided with decompression gas holders, the decompression gas holders are internally provided with decompression ports in a running-through manner, the interior of the decompression ports is provided with a valve face, one end of the valve face is provided with a control joint, one end of the control joint away from the valve face is provided with a knob, the shell lower end is provided with a crack-proof layer, the inside of the crack-proof layer is provided with a combined bolt in a running-through manner, the upper end of the combined bolt is provided with a central rod, the central rod is provided with a telescopic shaft in a running-through manner, the two ends of the telescopic shaft are provided with telescopic blocks, one side of the telescopic block close to the telescopic shaft is provided with a telescopic cavity, and the upper end of the central rod is provided with a control rod; the pneumatic valve cover shell convenient for sealing connection achieves the purpose of improving the sealing property and controllability of the pneumatic valve cover shell by arranging the valve surface and the anti-seam layer; through setting up combination bolt, flexible piece, control button, the combination is tied and is made shell and lower close the shell and be convenient for install, has reached the purpose that makes pneumatic valve lid shell be convenient for install.

Description

Pneumatic valve cover shell convenient for sealing connection

Technical Field

The utility model relates to a machine part technical field specifically is a pneumatic valve lid shell convenient to sealing connection.

Background

The pneumatic 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-protecting 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: various process parameters such as flow, pressure, temperature, etc.; the pneumatic valve has the characteristics of simple control, quick response and intrinsic safety, and no additional explosion-proof measures are needed; the operation mode of the valve can be divided into the following steps: the pneumatic valve is installed in a straight stroke mode and an angular stroke mode, a certain space is reserved between the upper part and the lower part of the pneumatic valve, which is required to be a certain height from the ground, and a certain space is reserved between the upper part and the lower part of the pneumatic valve, so that the pneumatic valve can be conveniently disassembled, assembled and repaired; for the regulating valve provided with a pneumatic valve positioner and a hand wheel, the convenience of operation, observation and adjustment must be ensured; the regulating valve is arranged on a horizontal pipeline, and is supported below the valve in a vertical mode with the pipeline vertical to ensure stability and reliability; the valve is generally supported under the valve, so that stability and reliability are guaranteed; for special occasions, when the regulating valve is required to be horizontally installed on a vertical pipeline, the regulating valve should be supported (when the regulating valve is on the pipeline, the regulating valve should also be supported, and additional stress brought to the regulating valve is avoided during installation.

The prior art has the following defects or problems:

1. the pneumatic valve can protect the additional air-operated valve after the cover shell is used, but the air-operated valve is not perfect in sealing performance, usually, gaps exist in the connection of the cover shell of the pneumatic valve, the gaps are small and generally not taken into consideration, but the pneumatic valve is a machine with an air function, and the problems that the sealing performance is not good enough and the working performance of the pneumatic valve is affected due to the gaps exist;

2. the common mounting mode of pneumatic valve lid shell all is the bolt of installing the round, and this is for the safety and stability, but also makes the installation very troublesome, wastes time and energy, also very loaded down with trivial details during the dismantlement, causes the inconvenient problem of loading and unloading.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's weak point, provide a pneumatic valve lid shell convenient to sealing connection to solve the problem that provides in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pneumatic valve lid shell convenient to sealing connection, includes the shell, the shell internal surface is provided with the protective layer, the shell both sides are provided with decompression gas holder, the inside decompression port that runs through of decompression gas holder is provided with, decompression port inside is provided with the valve face, valve face one end is provided with control joint, the one end that the valve face was kept away from to control joint is provided with the knob, the shell lower extreme is provided with prevents the seam layer, it is provided with the combination bolt to prevent inside running through of seam layer, combination bolt upper end is provided with well core rod, well core rod center department runs through and is provided with the telescopic shaft, the telescopic shaft both ends are provided with flexible piece, one side that flexible piece is close to the telescopic shaft is provided with flexible chamber, well core rod upper end is provided with the.

As the utility model discloses a preferred technical scheme, the shell upper end is provided with decides the piece, it is provided with the outlet duct to decide piece upper end, the inside gas outlet that runs through of outlet duct is provided with, decide piece and shell fixed connection, decide piece and outlet duct fixed connection, it is the carbide material to decide the piece.

As the utility model discloses a preferred technical scheme, prevent that seam layer lower extreme is provided with down closes the shell, prevent that seam layer and lower shell that closes tie fixed mounting through the combination, prevent that seam layer and shell tie fixed mounting through the combination.

As the utility model discloses an optimized technical scheme, shell and protective layer fixed connection, protective layer and decompression gas seat fixed connection, decompression gas seat and decompression mouth fixed mounting, decompression gas seat is the carbide material.

As the utility model discloses a preferred technical scheme, valve face and decompression gas seat swing joint, valve face and control joint fixed connection, control joint and knob fixed connection, the valve face is two again, control joint has two.

As the utility model discloses an optimal technical scheme, combination bolt and well core rod fixed connection, well core rod pegs graft with the telescopic shaft, telescopic shaft and flexible piece sliding connection, the telescopic shaft has two, flexible piece has a plurality of.

As the utility model discloses a preferred technical scheme, flexible piece and flexible chamber sliding connection, well core rod and control lever fixed connection, control lever and control button fixed connection, well core rod has two, control button has two.

Compared with the prior art, the utility model provides a pneumatic valve lid shell convenient to sealing connection possesses following beneficial effect:

1. according to the pneumatic valve cover shell convenient for sealing connection, the valve face and the seam-proof layer are arranged, wherein the valve face can be controlled by the knob to rotate, the pressure reducing port is convenient to be hermetically controlled, the seam-proof layer is made of elastic seam-proof materials, and sealing connection is convenient after the combined bolt is fixedly installed, so that the sealing property and controllability of the pneumatic valve cover shell are improved;

2. this pneumatic valve lid shell convenient to sealing connection, through setting up combination bolt, flexible piece, control button, the combination is tied and is made the shell and close the shell installation of being convenient for down, and flexible piece is flexible by telescopic shaft control, and flexible piece is controlled the shrink by telescopic shaft when needs are fixed and just can make the combination bolt pass and close shell and shell down, flexible piece only need when fixed stretch out can for pneumatic valve lid shell is convenient for install.

Drawings

FIG. 1 is a schematic cross-sectional view of the whole structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a partial view of the pressure relief port of the present invention;

fig. 4 is a partial schematic view of the structural combination bolt of the present invention.

In the figure: 1. a housing; 2. a protective layer; 3. a pressure reducing air seat; 4. a pressure relief port; 5. a valve face; 6. a control joint; 7. a knob; 8. a seam-resistant layer; 9. combining bolts; 10. a center pole; 11. a telescopic shaft; 12. a telescopic block; 13. a telescoping chamber; 14. a control lever; 15. a control button; 16. fixing blocks; 17. an air outlet pipe; 18. an air outlet; 19. and (5) closing the shell.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in this embodiment: the utility model provides a pneumatic valve lid shell convenient to sealing connection, which comprises an

outer shell

1, 1 internal surface of shell is provided with protective layer 2, 1 both sides of shell are provided with

decompression gas holder

3, 3 inside running through of decompression gas holder is provided with decompression mouth 4, 4 inside valve face 5 that is provided with of decompression mouth, 5 one end of valve face is provided with control joint 6, the one end that valve face 5 was kept away from to control joint 6 is provided with knob 7, 1 lower extreme of shell is provided with prevents seam layer 8, it is provided with combination bolt 9 to prevent seam 8 inside running through in layer, 9 upper ends are provided with well core rod 10 in the combination bolt, well core rod 10 center department runs through and is provided with telescopic shaft 11, the telescopic shaft 11 both ends are provided with flexible piece 12, one side that flexible piece 12 is close to telescopic shaft 11 is provided with flexible chamber 13, well core rod 10 upper end is provided with

accuse pole

14, 14 upper ends are provided with control button 15.

In the embodiment, the upper end of the shell 1 is provided with the fixed block 16, the upper end of the fixed block 16 is provided with the air outlet pipe 17, the air outlet pipe 17 is internally provided with the air outlet 18 in a penetrating manner, the fixed block 16 is fixedly connected with the shell 1, the fixed block 16 is fixedly connected with the air outlet pipe 17, and the fixed block 16 is made of hard alloy materials, so that the cover shell and the pneumatic valve can be conveniently connected for use; the lower end of the seam-proof layer 8 is provided with a lower joint casing 19, the seam-proof layer 8 and the lower joint casing 19 are fixedly installed through a combined bolt 9, the seam-proof layer 8 and the shell 1 are fixedly installed through the combined bolt 9, and thus, gas is not easy to overflow from the seam-proof layer 8; the shell 1 is fixedly connected with the protective layer 2, the protective layer 2 is fixedly connected with the pressure reducing air seat 3, the pressure reducing air seat 3 is fixedly installed with the pressure reducing port 4, and the pressure reducing air seat 3 is made of hard alloy materials, so that the strength of the cover shell can be enhanced; the valve face 5 is movably connected with the pressure reducing air seat 3, the valve face 5 is fixedly connected with the control joint 6, the control joint 6 is fixedly connected with the knob 7, the number of the valve faces 5 is two, and the number of the control joints 6 is two, so that the valve face 5 is easy to control and convenient to use; the combined bolt 9 is fixedly connected with the central rod 10, the central rod 10 is inserted with the telescopic shaft 11, the telescopic shaft 11 is slidably connected with the telescopic blocks 12, the number of the telescopic shafts 11 is two, and the number of the telescopic blocks 12 is several, so that the combined bolt 9 can be more conveniently installed, and the convenience of the utility model is improved; the telescopic block 12 is slidably connected with the telescopic cavity 13, the central rod 10 is fixedly connected with the control rod 14, the control rod 14 is fixedly connected with the control button 15, the central rod 10 is provided with two control buttons 15, and the telescopic block 12 can be conveniently controlled and easily assembled and disassembled by setting the control buttons 15 to be two.

The utility model discloses a theory of operation and use flow: the utility model discloses a can be controlled by knob 7 according to valve face 5 and rotate, conveniently carry out airtight control to decompression mouth 4, prevent that seam layer 8 is elastic prevents the seam material, be convenient for sealing connection after the fixed mounting of combination bolt 9, combination bolt 9 makes shell 1 and lower involution 19 be convenient for install, flexible piece 12 is controlled by telescopic shaft 11 and stretches out and draws back, flexible piece 12 is controlled by telescopic shaft 11 to shrink and can make combination bolt 9 pass lower involution 19 and shell 1 when needing to fix, flexible piece 12 only need stretch out when fixing can install fixed principle; use the utility model discloses the time cup joints shell 1 and pneumatic valve, will prevent that seam layer 8 presss from both sides at shell 1 and the junction that closes shell 19 down, will make up bolt 9 and pass the mounting hole, press control button 15 and stretch out flexible piece 12 fixed can.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a pneumatic valve lid shell convenient to sealing connection which characterized in that: the anti-crack valve comprises a shell (1), a protective layer (2) is arranged on the inner surface of the shell (1), decompression air seats (3) are arranged on two sides of the shell (1), a decompression port (4) penetrates through the decompression air seat (3), a valve face (5) is arranged inside the decompression port (4), a control joint (6) is arranged at one end of the valve face (5), a knob (7) is arranged at one end, away from the valve face (5), of the control joint (6), a crack-proof layer (8) is arranged at the lower end of the shell (1), a combined bolt (9) penetrates through the crack-proof layer (8), a central rod (10) is arranged at the upper end of the combined bolt (9), a telescopic shaft (11) penetrates through the center of the central rod (10), telescopic blocks (12) are arranged at two ends of the telescopic shaft (11), and a telescopic cavity (13) is arranged on one side, close to the telescopic block (12), to the telescopic shaft (11), the upper end of the central rod (10) is provided with a control rod (14), and the upper end of the control rod (14) is provided with a control button (15).

2. A pneumatically actuated valve cap housing for facilitating a sealed connection as set forth in claim 1, wherein: the utility model discloses a shell, including shell (1), fixed piece (16) upper end is provided with outlet duct (17), outlet duct (17) inside runs through and is provided with gas outlet (18), fixed piece (16) and shell (1) fixed connection, fixed piece (16) and outlet duct (17) fixed connection, fixed piece (16) are the carbide material.

3. A pneumatically actuated valve cap housing for facilitating a sealed connection as set forth in claim 1, wherein: prevent seam layer (8) lower extreme and be provided with down close shell (19), prevent seam layer (8) and close shell (19) down and tie (9) fixed mounting through the combination, prevent seam layer (8) and shell (1) and tie (9) fixed mounting through the combination.

4. A pneumatically actuated valve cap housing for facilitating a sealed connection as set forth in claim 1, wherein: the shell (1) is fixedly connected with the protective layer (2), the protective layer (2) is fixedly connected with the decompression air seat (3), the decompression air seat (3) is fixedly installed with the decompression port (4), and the decompression air seat (3) is made of hard alloy materials.

5. A pneumatically actuated valve cap housing for facilitating a sealed connection as set forth in claim 1, wherein: the valve face (5) is movably connected with the decompression air seat (3), the valve face (5) is fixedly connected with the control joint (6), the control joint (6) is fixedly connected with the knob (7), the valve face (5) is two, and the number of the control joint (6) is two.

6. A pneumatically actuated valve cap housing for facilitating a sealed connection as set forth in claim 1, wherein: the combined bolt (9) is fixedly connected with the central rod (10), the central rod (10) is connected with the telescopic shaft (11) in an inserting mode, the telescopic shaft (11) is connected with the telescopic blocks (12) in a sliding mode, the number of the telescopic shafts (11) is two, and the number of the telescopic blocks (12) is multiple.

7. A pneumatically actuated valve cap housing for facilitating a sealed connection as set forth in claim 1, wherein: flexible piece (12) and flexible chamber (13) sliding connection, well core rod (10) and control lever (14) fixed connection, control lever (14) and control button (15) fixed connection, well core rod (10) have two, control button (15) have two.