CN214426919U

CN214426919U - Vacuum leak detection device with high sealing performance

Info

Publication number: CN214426919U
Application number: CN202120120141.2U
Authority: CN
Inventors: 韩亮; 范勇
Original assignee: Suzhou Depute Industrial Equipment Co ltd
Current assignee: Suzhou Depute Industrial Equipment Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-10-19
Anticipated expiration: 2031-01-18

Abstract

The utility model discloses a vacuum leak detection device with strong leak tightness, which belongs to the technical field of vacuum detection and comprises a bent pipe body, the elbow body comprises two groups of flange plates, sealing plates are arranged at the two groups of flange plates, the sealing plates are detachably connected with the flange plates through bolts, the bottom end surfaces of one group of the sealing plates at the bottom end are fixedly connected with communicating pipelines, the communicating pipe is communicated with the inner cavity of the elbow body, the outer wall of the elbow body is sleeved with a detection mechanism, the detection mechanism comprises a left semi-ring piece and a right semi-ring piece, the end surfaces of both sides of the left semi-ring piece and the right semi-ring piece are fixedly connected with fixed blocks, two groups of the fixed blocks are detachably connected through bolts in the transverse direction, the even fixedly connected with multiunit fluff of inner ring of half ring piece on a left side, half ring piece on the right side, the utility model discloses aim at solving the inconvenient problem of hunting leak of going on of return bend.

Description

Vacuum leak detection device with high sealing performance

Technical Field

The utility model relates to a vacuum test technical field specifically is a vacuum leak hunting device that leakproofness is strong.

Background

The wall of a vacuum system, a container or a device has defects such as holes, cracks or gaps due to the defects of materials or welding seams and mechanical joints, external air enters the system through the defects, so that the system, the container or the device cannot reach the expected vacuum degree, the phenomenon is called air leakage, and in the production of pipelines, particularly bent pipes, leakage holes can be generated due to uneven thickness of the wall of the bent pipe in the production process due to the production process characteristics of the bent pipe.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vacuum leak detection device that leakproofness is strong to the inconvenient problem of hunting leak of the return bend that provides in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a vacuum leak hunting device that leakproofness is strong, includes the return bend body, the return bend body includes two sets of ring flanges, and is two sets of ring flange department all is provided with the closing plate, the closing plate passes through the bolt can be dismantled with the ring flange through the bolt and is connected, and the bottom is a set of the bottom face fixedly connected with intercommunication pipeline of closing plate, intercommunication pipeline and return bend body inner chamber intercommunication, the outer wall of return bend body cup joints and is provided with detection mechanism, detection mechanism includes left semicircular piece, right semicircular piece, the equal fixedly connected with fixed block of both sides terminal surface of left side semicircular piece, right semicircular piece, and is horizontal two sets of can dismantle the connection through the bolt between the fixed block, the even fixedly connected with multiunit fluff of inner ring of left side semicircular piece, right semicircular piece.

Preferably, the outer rings of the left half ring piece and the right half ring piece are provided with two groups of supporting rods, the two groups of supporting rods are fixedly connected with the left half ring piece and the right half ring piece, connecting rods are arranged between the upper group of supporting rods and the lower group of supporting rods, and the connecting rods are fixedly connected with the two groups of supporting rods.

Preferably, the sealing plate comprises a fixing plate, a rubber pad is arranged on the top end face of the fixing plate and fixedly connected with the fixing plate, and the fixing plate is detachably connected with the flange plate through a bolt.

Preferably, the outer walls of the two groups of connecting rods are sleeved with rubber anti-slip sleeves, and the rubber anti-slip sleeves are fixedly connected with the connecting rods.

Preferably, the surface of the rubber anti-slip sleeve is provided with corrugations.

Compared with the prior art, the beneficial effects of the utility model are that: the rubber pad that the closing plate set up can effectually carry out the separation to two mouths of pipe of return bend body, then can effectual increase holistic leakproofness, simultaneously under the effect of vacuum pump, can effectually adsorb the rubber pad, then can effectually adsorb the rubber pad to mouth of pipe inner wall, holistic leakproofness has been improved greatly, and can make things convenient for the staff to advance to control through the connecting rod, examine time measuring, whether adsorb on the return bend body through observing the soft hair and overhaul the small opening, and can also adapt to longer pipeline, holistic practicality has been improved greatly.

Drawings

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

FIG. 2 is a schematic structural view of the detecting mechanism of the present invention;

fig. 3 is a schematic diagram of the sealing plate structure of the present invention.

In the figure: 1. a bent pipe body; 101. a flange plate; 2. a sealing plate; 21. a fixing plate; 23. a rubber pad; 3. a detection mechanism; 31. a right semicircular piece; 32. a fixed block; 33. softening the wool; 34. a left semicircular piece; 35. a support bar; 36. a rubber anti-slip sleeve; 37. a connecting rod; 4. is communicated with the pipeline.

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.

Example 1:

referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a vacuum leak hunting device that leakproofness is strong, please refer to fig. 1, includes return bend body 1, and return bend body 1 includes two sets of ring flanges 101, and two sets of ring flanges 101 department all is provided with closing plate 2, and closing plate 2 passes through the bolt can dismantle with ring flange 101 through the bolt to be connected, can effectual improvement holistic leakproofness through closing plate 2.

Referring to fig. 1, the bottom end surfaces of a group of sealing plates 2 at the bottom end are fixedly connected with a communication pipeline 4, the communication pipeline 4 is communicated with the inner cavity of the elbow body 1, and the communication pipeline 4 can be effectively connected with an external vacuum pump.

Referring to fig. 1 and 2, the outer wall of the elbow body 1 is provided with a detection mechanism 3 in a sleeved manner, the detection mechanism 3 includes a left half ring plate 34 and a right half ring plate 31, both end faces of the left half ring plate 34 and the right half ring plate 31 are fixedly connected with fixing blocks 32, two groups of fixing blocks 32 are detachably connected with each other through bolts, inner rings of the left half ring plate 34 and the right half ring plate 31 are uniformly and fixedly connected with a plurality of groups of soft bristles 33, when detection is performed, the elbow body 1 can be detected by moving the left half ring plate 34 and the right half ring plate 31, and when detection is performed, a leak hole can be detected by observing whether the soft bristles 33 are adsorbed on the elbow body 1.

Referring to fig. 1 and 2, two sets of support rods 35 are disposed on the outer rings of the left half ring plate 34 and the right half ring plate 31, the two sets of support rods 35 are fixedly connected with the left half ring plate 34 and the right half ring plate 31, a connecting rod 37 is disposed between the upper set of support rods 35 and the lower set of support rods 35, and the connecting rod 37 is fixedly connected with the two sets of support rods 35, so that the whole body can be conveniently driven by a worker to move through the connecting rod 37.

Referring to fig. 1 and 3, the sealing plate 2 includes a fixing plate 21, a rubber pad 23 is disposed on a top end face of the fixing plate 21, the rubber pad 23 is fixedly connected to the fixing plate 21, the fixing plate 21 is detachably connected to the flange plate 101 through a bolt, the pipe orifice can be effectively blocked through the rubber pad 23, the sealing performance can be effectively improved, and under the action of the vacuum pump, the rubber pad moves to the inner wall of the pipe orifice due to suction deformation, and the sealing performance can be effectively improved.

Example 2:

as shown in fig. 2, different from the previous embodiment 1, the outer wall of the two groups of connecting rods 37 is sleeved with a rubber anti-slip sleeve 36, and the rubber anti-slip sleeve 36 is fixedly connected with the connecting rods 37, so that the operation of the connecting rods 37 by a worker is facilitated.

As shown in fig. 2, the rubber anti-slip cover 36 has corrugations on its surface to increase friction and facilitate holding by a worker.

Wherein the content of the first and second substances,

the working principle is as follows: when detecting, pass through the bolt mounting with the closing plate 2 on ring flange 101, later be connected communicating pipe 4 with the peripheral hardware vacuum pump, later the staff holds connecting rod 37, can increase frictional force through rubber antiskid cover 36, connect left semi-ring piece 34, right semi-ring piece 31, later the staff drives and connects 37 and remove, then drive left semi-ring piece 34, right semi-ring piece 31 and remove, if there is the small opening on return bend body 1, under the effect of vacuum pump, the soft hair 33 can adsorb on return bend body 1, later can observe out the position of small opening through soft hair 33 position.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a vacuum leak hunting device that leakproofness is strong, includes return bend body (1), its characterized in that: the elbow body (1) comprises two groups of flange plates (101), sealing plates (2) are arranged at the positions of the two groups of flange plates (101), the sealing plates (2) are detachably connected with the flange plate (101) through bolts, the bottom end surfaces of a group of the sealing plates (2) at the bottom end are fixedly connected with communicating pipelines (4), the communicating pipe (4) is communicated with the inner cavity of the elbow pipe body (1), the outer wall of the elbow pipe body (1) is sleeved with a detection mechanism (3), the detection mechanism (3) comprises a left semi-ring piece (34) and a right semi-ring piece (31), the end surfaces of the two sides of the left semi-ring piece (34) and the right semi-ring piece (31) are fixedly connected with fixing blocks (32), the two groups of fixing blocks (32) are detachably connected through bolts in the transverse direction, the inner rings of the left semi-ring piece (34) and the right semi-ring piece (31) are uniformly and fixedly connected with a plurality of groups of soft hair (33).

2. A high leak tightness vacuum leak detection apparatus according to claim 1, wherein: the outer rings of the left half ring piece (34) and the right half ring piece (31) are provided with two sets of supporting rods (35), the supporting rods (35) are fixedly connected with the left half ring piece (34) and the right half ring piece (31), the upper portion and the lower portion of the supporting rods (35) are provided with connecting rods (37), and the connecting rods (37) are fixedly connected with the two sets of supporting rods (35).

3. A high leak tightness vacuum leak detection apparatus according to claim 1, wherein: the sealing plate (2) comprises a fixing plate (21), a rubber pad (23) is arranged on the top end face of the fixing plate (21), the rubber pad (23) is fixedly connected with the fixing plate (21), and the fixing plate (21) is detachably connected with the flange plate (101) through bolts.

4. A high-sealing vacuum leak detection apparatus according to claim 2, wherein: the outer walls of the two groups of connecting rods (37) are sleeved with rubber anti-slip sleeves (36), and the rubber anti-slip sleeves (36) are fixedly connected with the connecting rods (37).

5. A high-tightness vacuum leak detection device according to claim 4, characterized in that: the surface of the rubber anti-slip sleeve (36) is provided with ripples.