CN216621636U - Detection device for valve sealing performance - Google Patents

Abstract

The utility model discloses a detection device for the sealing performance of a valve, which relates to the field of valve production detection and comprises a base, wherein a left sliding plate is connected to the left side of the top end of the base in a sliding manner, an upper rubber pad which reciprocates up and down is connected to the bottom surface of a top plate of the left sliding plate, a lower rubber pad which reciprocates up and down is connected to the middle part of the top end of the base, a valve is arranged between the upper rubber pad and the lower rubber pad, a water tank and a supercharger are also arranged at the top end of the base, the water tank is communicated with the valve through a water delivery pipe, and the supercharger is communicated with the valve through a vent pipe. According to the utility model, the high-pressure water environment is formed in the valve by injecting water into the valve and pressurizing, whether the sealing performance of the valve is qualified or not is judged by observing whether the surface of the valve is infiltrated, and the leakage point of the valve can be accurately marked, so that the subsequent processing treatment is facilitated.

Description

Detection device for valve sealing performance

Technical Field

The utility model relates to the field of valve production detection, and particularly discloses a detection device for valve sealing performance.

Background

The valve need check its yields after production, especially need pass through strict detection to its gas tightness, traditional valve production is with gas tightness detection device can't be fast and audio-visual demonstration gas tightness detection conditions, need wait to detect instrument display, this kind of mode efficiency can't effectively improve and instrument equipment needs high price, the cost is very expensive, learn the gas leakage point that the gas tightness is bad but can't accurate positioning valve after detecting through the instrument, still need follow-up going to test, this kind of gas tightness detection mode is often consuming time hard, it is very inconvenient. For example, chinese patent CN2021201571320 discloses a valve airtightness detection apparatus, which comprises a water tank, wherein a transparent observation window is arranged on a side wall of the water tank, an air inlet pipe is arranged in the water tank, an outer end of the air inlet pipe is connected with an air pump, and a valve fixing mechanism is arranged at an inner end of the air inlet pipe; the valve sealing mechanism comprises a push rod and a pressing plate, the pressing plate is arranged at the inner end of the push rod, tightly presses a flange at the outlet end of the valve through the pressing plate, and seals the outlet of the valve through the pressing plate; although this detection device can detect out the accurate gas leakage point of valve, because the valve is arranged in aqueous, consequently can't carry out the mark to gas leakage point to cause the valve to take out the back from aqueous, can't accurate find gas leakage point.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a detection device for the tightness of a valve, which is used for improving the defects of the prior art.

The utility model is realized by the following technical scheme:

the utility model provides a detection apparatus for be used for valve tightness, includes the base, base top left side sliding connection has left sliding plate, left side sliding plate roof bottom surface is connected with reciprocating motion's last rubber pad from top to bottom base top middle part is connected with reciprocating motion's lower rubber pad from top to bottom, go up the rubber pad with be equipped with the valve down between the rubber pad, the base top still is equipped with water tank and booster, the water tank passes through raceway and valve intercommunication, the booster passes through breather pipe and valve intercommunication.

The utility model is further arranged in such a way that the right side of the top end of the base is also connected with a right sliding plate in a sliding way, and the side ends of the left sliding plate and the right sliding plate are correspondingly provided with a left valve fixing clamp and a right valve fixing clamp.

The utility model is further provided that the sizes of the upper rubber pad and the lower rubber pad are matched with the valve port.

The utility model is further provided that the water pipe penetrates through the lower rubber pad and extends to the interior of the valve.

The utility model is further arranged that the vent pipe penetrates through the upper rubber pad and extends into the valve.

The utility model is further provided with a water circulating system, wherein the water circulating system comprises a circulating pump, the circulating pump is communicated with the water tank through a water outlet pipe, and the circulating pump is communicated with the valve through a water inlet pipe.

The utility model has the following beneficial effects:

according to the utility model, water is injected into the valve and pressurized, so that a high-pressure water environment is formed inside the valve, whether the sealing performance of the valve is qualified or not is judged by observing whether the surface of the valve is infiltrated, and the leakage point of the valve can be accurately marked, so that the subsequent processing treatment is facilitated.

According to the utility model, the valves with different specifications can be clamped and fixed through the matching practicality of the left hydraulic rod, the right hydraulic rod, the left sliding plate, the left valve fixing clamp, the right sliding plate and the right valve fixing clamp, so that the stability of the airtightness detection of the valves is improved.

According to the utility model, the water circulation system is arranged, so that water injected into the valve can be circulated into the water tank, the end face of the base can be kept clean, and the water can be recycled.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a first angular perspective structure of the present invention;

FIG. 2 is a schematic view of a second angular perspective structure according to the present invention;

FIG. 3 is a third perspective view of the present invention;

FIG. 4 is a fourth angle perspective view of the present invention;

reference numbers in the figures: 1. a base; 11. a left chute; 12. a right chute; 13. a left baffle; 131. a left hydraulic ram; 14. a right baffle; 141. a right hydraulic lever; 15. a left sliding plate; 151. a valve left fixation clamp; 16. a right sliding plate; 161. a valve right fixing clamp; 2. a valve; 3. an upper hydraulic rod; 31. an upper fixing plate; 32. a rubber pad is arranged; 4. a lower hydraulic rod; 41. a lower fixing plate; 42. a rubber pad is arranged; 5. a water tank; 51. a water delivery pipe; 6. a supercharger; 61. a breather pipe; 7. a water circulation system; 71. a circulation pump; 72. a fixed table; 73. a water inlet pipe; 74. and (5) discharging a water pipe.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will now be described in detail with reference to the accompanying figures 1-4, in conjunction with an illustrative embodiment.

Example 1

Referring to fig. 1, a detection device for valve tightness includes a base 1, a left baffle 13 and a right baffle 14 fixedly connected to two sides of a top end of the base 1, a left hydraulic rod 131 fixedly connected to a side end of the left baffle 13, a right hydraulic rod 141 fixedly connected to a side end of the right baffle 14, a left slide slot 11 and a right slide slot 12 correspondingly formed in a top end of the base 1, a left slide plate 15 embedded in the left slide slot 11, a right slide plate 16 embedded in the right slide slot 12, a telescopic end of the left hydraulic rod 131 fixedly connected to a side end of the left slide plate 15, so that the left slide plate 15 can slide along the left slide slot 11 in a reciprocating manner under the action of the left hydraulic rod 131, a telescopic end of the right hydraulic rod 141 fixedly connected to a side end of the right slide plate 16, so that the right slide plate 16 can slide along the right slide slot 12 in a reciprocating manner under the action of the right hydraulic rod 141, a left slide plate 15 fixedly connected to a left valve fixing clamp 151, at 16 side fixedly connected with valve right fixing clamps 161 on right sliding plate, in order to improve the centre gripping firmness of valve left fixing clamp 151 and valve right fixing clamp 161 and valve 2 outer wall, the intrados at valve left fixing clamp 151 and valve right fixing clamp 161 can set up right elastic rubber pad to increase the area of contact of valve left fixing clamp 151 and valve right fixing clamp 161 and valve 2, thereby realize that valve 2 centre gripping firmness obtains the reinforcing.

Referring to fig. 2, an upper hydraulic rod 3 is fixedly connected to the bottom surface of the top plate of the left sliding plate 15, an upper fixing plate 31 is fixedly connected to the telescopic end of the upper hydraulic rod 3, an upper rubber pad 32 is fixedly connected to the bottom end surface of the upper fixing plate 31, a lower hydraulic rod 4 is fixedly connected to the top end of the base 1 and below the valve 2, a lower fixing plate 41 is fixedly connected to the telescopic end of the lower hydraulic rod 4, a lower rubber pad 42 is fixedly connected to the top end surface of the lower fixing plate 41, the sizes of the upper rubber pad 32 and the lower rubber pad 42 are both larger than the size of the port of the valve 2, so that the upper rubber pad 32 and the lower rubber pad 42 can seal the port of the valve 2 under the action of the upper hydraulic rod 3 and the lower hydraulic rod 4, a water tank 5 is further arranged at the top end of the base 1, a water pipe 51 is arranged on the water tank 5, and one end of the water pipe 51, which is far away from the water tank 5, sequentially penetrates through the lower fixing plate 41 and the lower rubber pad 42 from bottom to the top, and extend to inside valve 2, above-mentioned raceway 51 adopts the rubber hose for the port of raceway 51 can be along with rubber gasket 42 moves together, and raceway 51 and bottom plate 41 and rubber gasket 42 all have done the sealing treatment, thereby can not appear leaking after preventing the water injection in later stage valve 2 and the pressurization.

Referring to fig. 3, a supercharger 6 is further disposed at the top end of the base 1, a vent pipe 61 is disposed on the supercharger 6, one end of the vent pipe 61, which is located above the supercharger, sequentially penetrates through the upper fixing plate 31 and the upper rubber pad 32 from top to bottom and extends into the valve 2, the vent pipe 61 is a rubber hose, so that a port of the vent pipe 61 can move along with the upper rubber pad 32, and the vent pipe 61, the upper fixing plate 31 and the upper rubber pad 32 are sealed.

The working principle is as follows:

an operator respectively starts the left hydraulic rod 131 and the right hydraulic rod 141, drives the left sliding plate 15 and the right sliding plate 16 to respectively move relatively along the left sliding chute 11 and the right sliding chute 12, after the left sliding plate 15 and the right sliding plate 16 slide to proper positions, places the valve 2 between the valve left fixing clamp 151 and the valve right fixing clamp 161, continues to start the left hydraulic rod 131 and the right hydraulic rod 141, so that the valve 2 is firmly fixed, then starts the lower hydraulic rod 4, drives the lower rubber pad 42 to move upwards and tightly contacts with the lower port of the valve 2, then injects water into the valve 2 through the water pipe 51, stops injecting water when the liquid level is level with the upper port of the valve 2, closes the water pipe 51, then starts the upper hydraulic rod 3, drives the upper rubber pad 32 to move downwards and tightly contacts with the lower port of the valve 2, and at this time, a certain gap is left between the liquid level and the upper rubber pad 32, at this moment, start and increase ware 6, through breather pipe 61 pressure boost in to valve 2, and for the better understanding pressure boost condition, be equipped with the manometer on an upper fixed plate 31, the pressure condition in the display valve 2 that can be better, when treating the pressure boost to required pressure value, stop the pressure boost, and close breather pipe 61, at this moment, observe the surface of valve 2, if there is water to ooze, then the gas tightness of surface valve 2 is not up to standard, and can do down the mark in the infiltration department, be convenient for process subsequent processing.

Example 2

In example 2, a water circulation system 7 is added to example 1 in order to recycle water injected into the valve 2, and this will be described in detail below.

Referring to fig. 4, the same portions of embodiment 2 as those of embodiment 1 will not be described again, except that, the water circulation system 7 comprises a circulation pump 71, the circulation pump 71 is fixedly arranged on a fixed platform 72, the fixed platform 72 is fixedly connected with the top end of the base 1, the inlet end of the circulation pump 71 is connected with a water inlet pipe 73, one end of the water inlet pipe 73 far away from the circulation pump 71 sequentially penetrates through the lower fixed plate 41 and the lower rubber pad 42 from bottom to top, and extends to the interior of the valve 2, and the port of the water inlet pipe 73 is flush with the lower port of the valve 2, so that the water in the valve 2 can flow out completely, the water inlet pipe 73 adopts a rubber hose, so that the port of the water inlet pipe 73 can move along with the lower rubber pad 42, an outlet pipe 74 is connected to the outlet end of the circulating pump 71, and one end of the outlet pipe 74, which is far away from the circulating pump 71, penetrates through the side wall of the water tank 5 and extends into the water tank 5.

Through the water circulation system 7, water injected into the valve 2 can be circulated into the water tank 5, so that the end face of the base 1 can be kept clean, and water can be recycled.

It should be noted that all the directional indicators (such as up, down, left, and right) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly. Furthermore, the terms "mounted," "disposed," "provided," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a detection apparatus for be used for valve leakproofness, includes the base, its characterized in that: the novel water-saving device is characterized in that a left sliding plate is connected to the left side of the top end of the base in a sliding mode, an upper rubber pad which can reciprocate up and down is connected to the bottom surface of a top plate of the left sliding plate, a lower rubber pad which can reciprocate up and down is connected to the middle of the top end of the base, a valve is arranged between the upper rubber pad and the lower rubber pad, a water tank and a supercharger are further arranged at the top end of the base, the water tank is communicated with the valve through a water delivery pipe, and the supercharger is communicated with the valve through a vent pipe.

2. The device for detecting the tightness of a valve according to claim 1, wherein a right sliding plate is further slidably connected to the right side of the top end of the base, and a right valve left fixing clip and a right valve fixing clip are correspondingly disposed at the side ends of the left sliding plate and the right sliding plate.

3. The device as claimed in claim 1, wherein the upper rubber pad and the lower rubber pad are sized to fit the valve port.

4. The device as claimed in claim 1, wherein the water pipe extends through the lower rubber pad and extends to the inside of the valve.

5. The device of claim 1, wherein the vent tube extends through the rubber gasket and into the valve.

6. The device of claim 1, further comprising a water circulation system, wherein the water circulation system comprises a circulation pump, the circulation pump is communicated with the water tank through a water outlet pipe, and the circulation pump is communicated with the valve through a water inlet pipe.

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