CN215338741U

CN215338741U - Detection device for wear-resisting valve

Info

Publication number: CN215338741U
Application number: CN202121450568.5U
Authority: CN
Inventors: 黄吴平
Original assignee: Quanzhou Elite Valve Industry Co ltd
Current assignee: Quanzhou Elite Valve Industry Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-12-28
Anticipated expiration: 2031-06-29

Abstract

The utility model belongs to the technical field of wear-resistant valves, and particularly relates to a detection device for a wear-resistant valve, which comprises a valve body, wherein a sealing device is arranged inside the valve body, the sealing device comprises a slot, the slot is arranged in the outer wall of the valve body, a fixed ring is inserted into the inner wall of the slot in a sliding manner, and a sealing ring is fixedly connected to the outer surface of the fixed ring. This detection device for wear-resisting valve, place a plurality of water in the inside of detection case, communicate the gas tube of inflator pump with the opening of valve body, the surface and the draw-in groove inner wall joint of gas tube, the sealing washer is sealed with the gap, let water can't get into wherein, utilize the inflator pump to inflate afterwards, if a certain department of valve body leaks gas, can produce the bubble at the in-process of inflating, thereby it is not enough to detect out which local gas tightness, and if sealed then can't inflate, the back of having examined, install the seal cover, during the installation, advance the ring inslot to the fixture block card earlier, the nut of screwing again, let the fixture block extrude the seal cover gradually.

Description

Detection device for wear-resisting valve

Technical Field

The utility model relates to the technical field of wear-resistant valve detection, in particular to a detection device for a wear-resistant valve.

Background

The air lock wear-resistant valve is an instrument auxiliary device, when a compressed air source breaks down and stops air supply, the valve control channel is cut off by the air lock wear-resistant valve, the position of the valve is kept at the position before air supply is cut off, normal operation of a technological process is guaranteed, the channel is opened by the air lock wear-resistant valve after air supply is resumed until accidents in a system are eliminated, and normal control is resumed.

In the production and manufacturing process of the wear-resistant valve, the influence of processing equipment causes the wear-resistant valve to have a certain number of defective rates in the production process, so in order to detect the unqualified wear-resistant valve therein, a detection device is required to be arranged for detection, and a sealing tester is usually adopted and connected to a test room and is specially designed for accommodating the package to be detected. The package is placed in a laboratory cavity to be vacuumized, the single or double vacuum sensor technology is used for monitoring the vacuum state of a test chamber in two layers and also monitoring the vacuum change of a preset test time period, the change of absolute vacuum and relative vacuum implies leakage and defects in the package, but the detector can only detect whether the package leaks or not and cannot detect specific leakage places.

SUMMERY OF THE UTILITY MODEL

Based on the technical problem that the existing wear-resistant valve air tightness detection device is incomplete, the utility model provides a detection device for a wear-resistant valve.

The utility model provides a detection device for a wear-resistant valve, which comprises a detection box, wherein a valve body is placed on the inner wall of the detection box, a sealing device is arranged inside the valve body, the sealing device comprises a slot, the slot is formed in the outer wall of the valve body, a fixed ring is inserted into the inner wall of the slot in a sliding mode, and a sealing ring is fixedly connected to the outer surface of the fixed ring.

Preferably, the outer surface of the fixed ring is fixedly connected with a sealing sleeve, the outer surface of the sealing sleeve is provided with a circular groove, and the outer surface of the sealing sleeve is in contact with the outer surface of the valve body.

Through above-mentioned technical scheme, the seal cover is fixed in the outside of valve body, seals the valve body, makes things convenient for normal use.

Preferably, the outer fixed surface of valve body is connected with the threaded rod, two the threaded rod uses the axis of valve body to be the symmetric distribution as the centre of symmetry, two the equal threaded connection of surface of threaded rod has the nut.

Through above-mentioned technical scheme, the nut rotates, and the nut pushes down the diaphragm, lets the seal cover can seal closely more.

Preferably, the inner wall of the circular groove is inserted with a clamping block in a sliding manner, the clamping block is arc-shaped, and the outer surface of the clamping block is fixedly connected with a transverse plate.

Through above-mentioned technical scheme, the fixture block card is in the ring groove, lets the diaphragm drive the fixture block in the removal, and the fixture block extrudees the seal cover, makes the seal cover closely laminate more.

Preferably, the inside of diaphragm is seted up the jack, the diaphragm cup joints the surface at the threaded rod, the inner wall of jack and the surface sliding connection of threaded rod.

Through above-mentioned technical scheme, the threaded rod passes the jack of diaphragm, when installing the seal cover, conveniently adjusts the sealed degree of seal cover and valve body.

Preferably, the opening has been seted up to the surface of valve body, the draw-in groove has been seted up to the inside of opening, a plurality of sealing washers have been hugged closely to the inner wall of draw-in groove, the inflator pump has been placed to the top of detection case, the gas tube and the opening intercommunication of inflator pump.

Through above-mentioned technical scheme, utilize the inflator pump to inflate the valve body, the draw-in groove carries out the joint with the outside of gas tube, and the sealing washer is sealed, and is more accurate when conveniently checking the gas tightness.

The beneficial effects of the utility model are as follows:

by arranging the sealing device, a plurality of water is placed in the detection box, the inflation tube of the inflator is communicated with the through hole of the valve body, the outer surface of the inflation tube is clamped with the inner wall of the clamping groove, the sealing ring seals the gap to prevent the water from entering the gap, then the inflator is used for inflating, when a certain part of the valve body leaks air, air bubbles are generated in the inflating process, so that the insufficient air tightness of the certain part is detected, and if the sealing is finished, the inflation cannot be performed, after the inspection is finished, the sealing sleeve is installed, when the sealing sleeve is installed, the clamping block is clamped into the circular groove, then the through hole of the transverse plate passes through the threaded rod, then the nut is screwed, the clamping block is gradually extruded to the sealing sleeve, at the moment, the fixed circular ring is clamped into the slot, the sealing ring is sealed, the valve body can be normally used, so that the part with the insufficient air tightness of the wear-resistant valve can be accurately detected, the improvement is convenient, and the defective product in the production process is selected, the effect of accurately detecting the air tightness of the valve body is achieved.

Drawings

FIG. 1 is a schematic view of a wear valve inspection apparatus according to the present invention;

FIG. 2 is a perspective view of a valve body structure of the detecting device for a wear valve according to the present invention;

FIG. 3 is an enlarged view of the inspection device for a wear valve shown in FIG. 2;

FIG. 4 is a sectional view of a valve body structure of a wear-resistant valve detecting device according to the present invention;

FIG. 5 is an enlarged view of the detecting device for a wear valve shown in FIG. 4B;

FIG. 6 is a half sectional view of a valve body structure of a detecting device for a wear valve according to the present invention;

fig. 7 is a perspective view of a transverse plate structure of the detecting device for the wear-resistant valve according to the present invention.

In the figure: 1. a detection box; 2. a valve body; 3. a slot; 4. fixing the circular ring; 41. sealing sleeves; 42. a circular groove; 43. a threaded rod; 44. a nut; 45. a clamping block; 46. a transverse plate; 47. a jack; 48. a port; 49. a card slot; 410. an inflator; 5. and (5) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-7, a detection device for wear-resisting valve, including detection case 1, valve body 2, slot 3, fixed ring 4, sealing washer 5 and sealing device, valve body 2 has been placed to the inner wall of detection case 1, and the inside of valve body 2 is provided with sealing device, and slot 3 is seted up in the outer wall of valve body 2, and the inner wall of slot 3 slides and pegs graft and has fixed ring 4, and the external fixed surface of fixed ring 4 is connected with sealing washer 5.

As shown in fig. 1-5 and 7, the sealing device includes a sealing sleeve 41, an annular groove 42, a threaded rod 43, a nut 44, a clamping block 45, a transverse plate 46 and a plug hole 47, the outer surface of the fixed ring 4 is fixedly connected with the sealing sleeve 41, the annular groove 42 is formed in the outer surface of the sealing sleeve 41, the outer surface of the sealing sleeve 41 is in contact with the outer surface of the valve body 2, the sealing sleeve 41 is fixed outside the valve body 2 to seal the valve body 2, and therefore the valve body is convenient to use normally, the outer surface of the valve body 2 is fixedly connected with the threaded rod 43, the two threaded rods 43 are symmetrically distributed by taking the axis of the valve body 2 as a symmetric center, the nuts 44 are in threaded connection with the outer surfaces of the two threaded rods 43, the nuts 44 are rotated, the nuts 44 press down the transverse plate 46, and the sealing sleeve 41 can be sealed more tightly.

As shown in fig. 1-7, the inner wall of the circular groove 42 is slidably inserted with a fixture block 45, the fixture block 45 is arc-shaped, the outer surface of the fixture block 45 is fixedly connected with a transverse plate 46, the fixture block 45 is clamped in the circular groove 42, the transverse plate 46 drives the fixture block 45 when moving, the fixture block 45 extrudes the sealing sleeve 41, so that the sealing sleeve 41 is more closely attached, a jack 47 is arranged inside the transverse plate 46, the transverse plate 46 is sleeved on the outer surface of the threaded rod 43, the inner wall of the jack 47 is slidably connected with the outer surface of the threaded rod 43, the threaded rod 43 passes through the jack 47 of the transverse plate 46, and when the sealing sleeve 41 is installed, the sealing degree of the sealing sleeve 41 and the valve body 2 is conveniently adjusted.

As shown in fig. 1-6, in order to fully detect the air tightness of the valve body, a through hole 48 is formed in the outer surface of the valve body 2, a clamping groove 49 is formed in the through hole 48, a plurality of sealing rings 5 are tightly attached to the inner wall of the clamping groove 49, an inflator 410 is placed above the detection box 1, an inflation tube of the inflator 410 is communicated with the through hole 48, the valve body 2 is inflated by the inflator 410, the clamping groove 49 is clamped with the outer surface of the inflation tube, the sealing rings 5 are sealed, and the air tightness can be checked more accurately.

By arranging the sealing device, a plurality of water is placed in the detection box 1, the inflation tube of the inflator 410 is communicated with the through hole 48 of the valve body 2, the outer surface of the inflation tube is clamped with the inner wall of the clamping groove 49, the sealing ring 5 seals the gap to prevent the water from entering the gap, then the inflator 410 is used for inflating, if a certain part of the valve body 2 leaks air, bubbles are generated during the air inflation process, so that the air tightness at which place is insufficient is detected, the air inflation cannot be performed if the sealing is finished, after the detection, the sealing sleeve 41 is installed, and during the installation, clamping block 45 into ring groove 42 earlier, let the through-hole of diaphragm 46 pass through threaded rod 43 again, screw nut 44 afterwards, let clamping block 45 extrude seal cover 41 gradually, in fixed ring 4 card advances slot 3 this moment, sealing washer 5 seals, lets valve body 2 can normal use, has reached the effect of accurate detection valve body 2 gas tightness.

The working principle is as follows: place a plurality of water in the inside of detection case 1, put into valve body 2 wherein, communicate the gas tube of inflator pump 410 with opening 48 of valve body 2, the surface and the draw-in groove 49 inner wall joint of gas tube, sealing washer 5 is sealed with the gap, let water can't get into wherein, utilize inflator pump 410 to inflate afterwards, if certain leakage of valve body 2, can produce the bubble at the in-process of inflating, thereby it is not enough to detect out which local gas tightness, and if sealed then can't inflate, after the inspection, install seal cover 41, during the installation, block 45 card advances ring groove 42 to earlier, let diaphragm 46's through-hole pass through threaded rod 43 again, nut 44 screws afterwards, let block 45 extrude seal cover 41 gradually, let fixed ring 4 block advance in slot 3, sealing washer 5 seals.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a detection device for wear-resisting valve, includes detection case (1), its characterized in that: valve body (2) have been placed to the inner wall of detection case (1), the inside of valve body (2) is provided with sealing device, and shown sealing device includes slot (3), slot (3) are seted up in the outer wall of valve body (2), the inner wall of slot (3) slides and pegs graft and has fixed ring (4), the fixed surface of fixed ring (4) is connected with sealing washer (5).

2. The detecting device for a wear-resistant valve according to claim 1, wherein: the outer surface of the fixed ring (4) is fixedly connected with a sealing sleeve (41), an annular groove (42) is formed in the outer surface of the sealing sleeve (41), and the outer surface of the sealing sleeve (41) is in contact with the outer surface of the valve body (2).

3. The detecting device for a wear-resistant valve according to claim 1, wherein: the outer fixed surface of valve body (2) is connected with threaded rod (43), two threaded rod (43) use the axis of valve body (2) to be the symmetric distribution as the centre of symmetry, two the equal threaded connection in surface of threaded rod (43) has nut (44).

4. The detecting device for a wear-resistant valve according to claim 2, wherein: the inner wall of the circular groove (42) is inserted with a clamping block (45) in a sliding mode, the clamping block (45) is arc-shaped, and a transverse plate (46) is fixedly connected to the outer surface of the clamping block (45).

5. The detecting device for a wear-resistant valve according to claim 4, wherein: the threaded rod is characterized in that a jack (47) is formed in the transverse plate (46), the transverse plate (46) is sleeved on the outer surface of the threaded rod (43), and the inner wall of the jack (47) is connected with the outer surface of the threaded rod (43) in a sliding mode.

6. The detecting device for a wear-resistant valve according to claim 1, wherein: opening (48) have been seted up to the surface of valve body (2), draw-in groove (49) have been seted up to the inside of opening (48), a plurality of sealing washer (5) are being hugged closely to the inner wall of draw-in groove (49), inflator pump (410) have been placed to the top of detection case (1), the gas tube and opening (48) intercommunication of inflator pump (410).