CN217927638U

CN217927638U - Valve interface structure

Info

Publication number: CN217927638U
Application number: CN202222061364.3U
Authority: CN
Inventors: 颜升阳
Original assignee: Qingtian Kaile Valve Co ltd
Current assignee: Qingtian Kaile Valve Co ltd
Priority date: 2022-08-07
Filing date: 2022-08-07
Publication date: 2022-11-29
Anticipated expiration: 2032-08-07

Abstract

The utility model discloses a valve interface structure, the installation cavity has been seted up to the lateral wall of valve body, the position that corresponds with the installation cavity is equipped with the vacuum cavity in the lateral wall of valve body, the position that is close to the installation cavity in the vacuum cavity is equipped with hydraulic pressure case, the angle such as being equipped with the slider in the hydraulic pressure incasement, be equipped with the rubber tape between two adjacent sliders, hydraulic oil is gone into to hydraulic pressure incasement bulging, thereby can drive the slider and slide along the hydraulic pressure case, thereby can drive the telescopic link and stretch out from the hydraulic pressure incasement, thereby can promote first sealing washer and hug closely the pipeline, because both sides all are equipped with the sealed rubber cloth between the hydraulic pressure case around the first sealing washer, thereby can form airtight space in the vacuum cavity, thereby can form negative pressure environment in the vacuum cavity, under the effect of atmospheric pressure, can fix the pipeline, can be fine seal through first sealing washer and sealed rubber cloth, compare in traditional bolt interface, sealed effectual is relatively good.

Description

Valve interface structure

Technical Field

The utility model relates to a valve field especially relates to a valve interface structure.

Background

The valve is a control part in a fluid conveying system, has the functions of stopping, regulating, guiding, preventing reverse flow, stabilizing pressure, shunting, overflowing, relieving pressure and the like, is used for a valve of a fluid control system, and has various varieties and specifications from the simplest stop valve to various valves used in an extremely complex automatic control system. The valve can be used for controlling the flow of various types of fluid such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The valves are further divided into cast iron valves, cast steel valves, stainless steel valves, chromium molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, nonstandard valves and the like according to the materials;

the existing valve interfaces are mostly bolt interfaces, the valve and the pipeline are connected through threads, or the valve and the pipeline are connected through a flange plate, but the connection sealing performance is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the current interface that is used for the valve leakproofness is not good enough when connecting.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a valve interface structure, includes valve body and valve, in the valve body was arranged in to the valve, the valve passed through valve control coupling mechanism and connects the valve locator, the installation cavity has been seted up to the lateral wall of valve body, the position that corresponds with the installation cavity in the lateral wall of valve body is equipped with the vacuum cavity, the position that is close to the installation cavity in the vacuum cavity is equipped with the hydraulic pressure case, the hydraulic pressure incasement is equipped with the equidistance and is equipped with the slider, is equipped with the rubber tape between two adjacent sliders, sliding connection between slider and the hydraulic pressure case, the inside wall of slider is equipped with the telescopic link, is equipped with first sealing washer between the tip of telescopic link, both sides all around the first sealing washer and hydraulic pressure case between be equipped with sealing rubber cloth, the lateral wall of valve body and the position that the hydraulic pressure case corresponds are equipped with hydraulic pressure mechanism, the lateral wall of valve body and the position that the vacuum cavity corresponds are equipped with vacuum mechanism.

Through the technical scheme, the pipeline is inserted into the valve body through the installation cavity, the front end of the pipeline is arranged in the vacuum cavity, hydraulic oil is expanded into the hydraulic box, the sliding block can be driven to slide along the hydraulic box, the telescopic rod can be driven to stretch out of the hydraulic box, the first sealing ring can be pushed to be attached to the pipeline, sealing rubber cloth is arranged between the front side and the rear side of the first sealing ring and the hydraulic box, a closed space can be formed in the vacuum cavity, air in the vacuum cavity is pumped out through the vacuum mechanism, a negative pressure environment can be formed in the vacuum cavity, the pipeline can be fixed under the action of atmospheric pressure, the pipeline can be well sealed through the first sealing ring and the sealing rubber cloth, and compared with a traditional bolt interface, the sealing effect is good.

The utility model discloses further set up to: valve control coupling mechanism includes, valve connecting rod and connector, the valve location is connected to the connector, hydraulic pressure mechanism includes hydraulic pump connector and hydraulic pressure pipe, and the lateral wall of valve body and the position that the hydraulic pressure case corresponds are arranged in to the hydraulic pressure pipe, and hydraulic pressure pipe intercommunication hydraulic pressure case, the tip of hydraulic pressure pipe are equipped with the hydraulic pump connector, vacuum mechanism includes vacuum tube and vacuum machine connector, the lateral wall of valve body and the position that the vacuum cavity corresponds are arranged in to the vacuum tube, vacuum tube intercommunication vacuum cavity, and the tip of vacuum tube is equipped with the vacuum machine connector.

Through above-mentioned technical scheme, valve control coupling mechanism can be used for connecting the valve locator, can be used for connecting outside hydraulic pump through the hydraulic pump connector, can be used for connecting outside vacuum machine through the vacuum machine connector.

The utility model discloses further set up to: the utility model discloses a pneumatic sealing device, including installation cavity, first sealing washer and second sealing washer, be equipped with the installation cavity in the installation cavity, be equipped with the first sealing washer in the installation cavity, the installation cavity is equipped with the first sealing washer in the angle such as sealing spring, and the installation cavity is arranged in to sealing spring, be equipped with the first sealing washer between sealing spring's the tip, the position that corresponds with the first sealing washer in the installation cavity is equipped with the third sealing washer, the lateral wall of second sealing washer all is equipped with wavy decorative pattern with the lateral wall of third sealing washer, first sealing washer and second sealing washer are elastic sealing washer, be equipped with reset spring between slider and the hydraulic tank, the lateral wall of valve body and the position that the vacuum cavity corresponds are equipped with the manometer, and the vacuum cavity is arranged in to the response end of manometer.

Through the technical scheme, the outer side wall of the pipeline can be tightly attached to the second sealing ring by the aid of elasticity of the sealing spring, the second sealing ring and the third sealing ring can be used for performing auxiliary sealing, wavy patterns are arranged on the second sealing ring and the third sealing ring, accordingly, the effect of strengthening sealing can be guaranteed, the reset spring can be used for facilitating resetting of the sliding block, and the pressure in the vacuum cavity can be detected through the pressure gauge.

The beneficial effects of the utility model are as follows:

1. the pipeline is inserted into the valve body through the installation cavity, the front end of the pipeline is arranged in the vacuum cavity, hydraulic oil is blown into the hydraulic box, the sliding block can be driven to slide along the hydraulic box, the telescopic rod can be driven to extend out of the hydraulic box, and the first sealing ring can be pushed to be attached to the pipeline;

2. utilize sealing spring's elasticity can make the second sealing washer hug closely the lateral wall of pipeline, can be used for carrying out supplementary seal through second sealing washer and third sealing washer, all set up wavy decorative pattern through at second sealing washer and third sealing washer to can guarantee to strengthen sealed effect, can be used for making things convenient for the slider to reset through reset spring, can be used for detecting the pressure in the vacuum chamber through the manometer.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front sectional view of the present invention;

FIG. 3 is a side cross-sectional view of the present invention;

fig. 4 is a partial enlarged view of the position a of the present invention.

In the figure: 1. a valve body; 2. a valve; 3. a valve control connection mechanism; 31. a valve connecting rod; 32. a connector; 4. a mounting cavity; 5. a vacuum chamber; 6. a sealing mechanism; 61. a hydraulic tank; 62. a slider; 63. a telescopic rod; 64. sealing the rubber cloth; 65. a first seal ring; 7. an auxiliary sealing mechanism; 71. a seal spring; 72. a second seal ring; 8. a vacuum mechanism; 81. a vacuum tube; 82. a vacuum machine connector; 9. a hydraulic mechanism; 91. a hydraulic pump connector; 92. a hydraulic pipe; 10. a third seal ring; 11. a pressure gauge; 12. a return spring.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1 to 4, a valve interface structure includes a valve body 1 and a valve 2, the valve 2 is disposed in the valve body 1, the valve 2 is connected to a valve positioner through a valve control connection mechanism 3, a mounting cavity 4 is disposed on a side wall of the valve body 1, a vacuum cavity 5 is disposed in the side wall of the valve body 1 corresponding to the mounting cavity 4, a pipeline is inserted into the valve body 1 through the mounting cavity 4, a front end of the pipeline is disposed in the vacuum cavity 5, a hydraulic tank 61 is disposed in the vacuum cavity 5 near the mounting cavity 4, slide blocks 62 are disposed in the hydraulic tank 61 at equal angles, a rubber belt is disposed between two adjacent slide blocks 62, the slide blocks 62 are slidably connected to the hydraulic tank 61, an expansion link 63 is disposed on an inner side wall of the slide blocks 62, a first sealing ring 65 is disposed between an end of the expansion link 63, sealing rubber cloths 64 are disposed between front and rear sides of the first sealing ring 65 and the hydraulic tank 61, the side wall of the valve body 1 is provided with a hydraulic mechanism 9 at a position corresponding to the hydraulic tank 61, the side wall of the valve body 1 is provided with a vacuum mechanism 8 at a position corresponding to the vacuum cavity 5, hydraulic oil is blown into the hydraulic tank 61 to drive the slide block 62 to slide along the hydraulic tank 61, so that the telescopic rod 63 can be driven to extend out of the hydraulic tank 61, and the first seal ring 65 can be pushed to cling to the pipeline, because the seal rubber cloth 64 is arranged between the front side and the rear side of the first seal ring 65 and the hydraulic tank 61, a closed space can be formed in the vacuum cavity 5, air in the vacuum cavity 5 is pumped out through the vacuum mechanism 8, so that a negative pressure environment can be formed in the vacuum cavity 5, the pipeline can be fixed under the action of atmospheric pressure, the first seal ring 65 and the seal rubber cloth 64 can be well sealed, compared with the traditional bolt interface, the sealing effect is better.

As shown in fig. 1, the valve control connecting mechanism 3 includes a valve connecting rod 31 and a connector 32, the connector 32 is connected with the valve positioner, the valve control connecting mechanism 3 can be used for connecting the valve positioner, the hydraulic mechanism 9 includes a hydraulic pump connector 91 and a hydraulic pipe 92, the hydraulic pipe 92 is disposed at a position where the side wall of the valve body 1 corresponds to the hydraulic tank 61, the hydraulic pipe 92 is communicated with the hydraulic tank 61, the hydraulic pump connector 91 is disposed at an end of the hydraulic pipe 92, and can be used for connecting an external hydraulic pump through the hydraulic pump connector 91, the vacuum mechanism 8 includes a vacuum pipe 81 and a vacuum machine connector 82, the vacuum pipe 81 is disposed at a position where the side wall of the valve body 1 corresponds to the vacuum chamber 5, the vacuum pipe 81 is communicated with the vacuum chamber 5, the end of the vacuum pipe 81 is provided with the vacuum machine connector 82, and can be used for connecting an external vacuum machine through the vacuum machine connector 82.

As shown in fig. 2 and 4, an auxiliary sealing mechanism 7 is disposed in the mounting cavity 4, the auxiliary sealing mechanism 7 includes a sealing spring 71 and a second sealing ring 72, the sealing spring 71 is disposed in the mounting cavity 4 at an equal angle, the second sealing ring 72 is disposed between ends of the sealing spring 71, a third sealing ring 10 is disposed in the mounting cavity 4 at a position corresponding to the second sealing ring 72, the second sealing ring 72 can be tightly attached to an outer side wall of the pipe by elasticity of the sealing spring 71, the second sealing ring 72 and the third sealing ring 10 can be used for auxiliary sealing, the side walls of the second sealing ring 72 and the third sealing ring 10 are respectively provided with a wavy pattern, the first sealing ring 65 and the second sealing ring 72 are respectively elastic sealing rings, the wavy patterns are respectively disposed on the second sealing ring 72 and the third sealing ring 10, so as to ensure an effect of sealing enhancement, a return spring 12 is disposed between the slider 62 and the hydraulic tank 61, the return spring 12 can be used for facilitating return of the slider 62, a pressure gauge 11 is disposed at a position of the side wall of the valve body 1 corresponding to the vacuum cavity 5, a sensing end of the pressure gauge 11 is disposed in the vacuum cavity 5, and pressure of the vacuum cavity 5 can be detected by the pressure gauge 11.

The utility model discloses when using, in the installation cavity 4 with the pipeline insertion valve body 1 lateral wall, make the pipeline plug-in advance in the valve body 1 through installation cavity 4, make the front end of pipeline put in vacuum cavity 5, can be used for connecting outside hydraulic pump through hydraulic pump connector 91, can bulge into hydraulic oil in to hydraulic tank 61 through outside hydraulic pump, thereby can drive slider 62 and slide along hydraulic tank 61, thereby can drive telescopic link 63 and stretch out from hydraulic tank 61, thereby can promote first sealing washer 65 and hug closely the pipeline, because be equipped with sealed rubber cloth 64 around first sealing washer 65 all between both sides and the hydraulic tank 61, thereby can form airtight space in vacuum cavity 5, can be used for connecting outside vacuum machine through vacuum machine connector 82, can take the air in vacuum cavity 5 out through outside vacuum machine, thereby can form the negative pressure environment in vacuum cavity 5, under the effect of atmospheric pressure, can fix the pipeline, can be fine seal through first sealing washer 65 and sealed rubber cloth 64, in traditional bolt interface, the effect comparison is better, the elasticity that utilizes sealed spring 71 can make the second sealing washer 72, thereby can make things convenient for the pipeline sealing through the second sealing washer 72 and the second sealing washer 10 to pass through the supplementary seal the relief pattern of the vacuum cavity 10 and the detection of the relief pressure, thereby it can make things convenient for the detection of the slider, thereby the detection of the relief effect of the vacuum cavity 10 to set up the detection of the second sealing washer 10.

The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.

Claims

1. A valve interface structure comprises a valve body (1) and a valve (2), wherein the valve (2) is arranged in the valve body (1), and the valve (2) is connected with a valve positioner through a valve control connecting mechanism (3); the side wall of the valve body (1) is provided with an installation cavity (4), and a vacuum cavity (5) is arranged in the side wall of the valve body (1) at a position corresponding to the installation cavity (4);

the position that is close to installation cavity (4) in vacuum cavity (5) is equipped with hydraulic tank (61), be equipped with in hydraulic tank (61) and wait the angle and be equipped with slider (62), be equipped with the rubber tape between two adjacent slider (62), sliding connection between slider (62) and hydraulic tank (61), the inside wall of slider (62) is equipped with telescopic link (63), is equipped with first sealing washer (65) between the tip of telescopic link (63), be equipped with between the front and back both sides of first sealing washer (65) and hydraulic tank (61) sealed rubber cloth (64), the lateral wall of valve body (1) and the position that hydraulic tank (61) correspond are equipped with hydraulic pressure mechanism (9), the lateral wall of valve body (1) and the position that vacuum cavity (5) correspond are equipped with vacuum mechanism (8).

2. A valve interface structure as defined in claim 1, wherein: the valve control connecting mechanism (3) comprises a valve connecting rod (31) and a connector (32), and the connector (32) is connected with the valve positioner.

3. A valve interface structure as defined in claim 1, wherein: hydraulic pressure mechanism (9) are including hydraulic pump connector (91) and hydraulic pressure pipe (92), and the lateral wall of valve body (1) is arranged in to hydraulic pressure pipe (92) and the position that hydraulic pressure case (61) correspond, and hydraulic pressure pipe (92) intercommunication hydraulic pressure case (61), and the tip of hydraulic pressure pipe (92) is equipped with hydraulic pump connector (91).

4. A valve interface structure as claimed in claim 1, wherein: vacuum mechanism (8) include vacuum tube (81) and vacuum machine connector (82), the position that lateral wall and vacuum cavity (5) of valve body (1) correspond is arranged in vacuum tube (81), and vacuum tube (81) intercommunication vacuum cavity (5), and the tip of vacuum tube (81) is equipped with vacuum machine connector (82).

5. A valve interface structure as defined in claim 1, wherein: be equipped with supplementary sealing mechanism (7) in installation cavity (4), supplementary sealing mechanism (7) are including sealing spring (71) and second sealing washer (72), sealing spring (71) are equant to be arranged in installation cavity (4), are equipped with second sealing washer (72) between the tip of sealing spring (71).

6. A valve interface structure as defined in claim 1, wherein: and a third sealing ring (10) is arranged in the mounting cavity (4) at a position corresponding to the second sealing ring (72).

7. A valve interface structure as claimed in claim 5, wherein: and the side walls of the second sealing ring (72) and the third sealing ring (10) are provided with wavy patterns.

8. A valve interface structure as claimed in claim 5, wherein: the first sealing ring (65) and the second sealing ring (72) are elastic sealing rings.

9. A valve interface structure as defined in claim 5, wherein: and a return spring (12) is arranged between the sliding block (62) and the hydraulic tank (61).

10. A valve interface structure as defined in claim 5, wherein: the lateral wall of the valve body (1) is provided with a pressure gauge (11) at a position corresponding to the vacuum cavity (5), and the sensing end of the pressure gauge (11) is arranged in the vacuum cavity (5).