CN218628817U

CN218628817U - Plugging device of leakage tester

Info

Publication number: CN218628817U
Application number: CN202222903062.6U
Authority: CN
Inventors: 孔镇; 胡源; 邱晓
Original assignee: Shandong Yulong Jinhe Precision Machinery Co ltd
Current assignee: Shandong Yulong Jinhe Precision Machinery Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-03-14
Anticipated expiration: 2032-11-02

Abstract

The utility model relates to a leak tester plugging device belongs to leak tester plugging equipment technical field, the utility model discloses cross the setting including complementary unit and a plurality of positioning mechanism, include complementary unit, first plugging mechanism, second plugging mechanism through the setting, include locating plate, lower locating plate, push rod through setting up complementary unit, first reference column, second reference column that fixed connection has on the locating plate, first reference column bottom and second plugging mechanism fixed connection, second reference column bottom and second plugging mechanism bottom surface fixed connection, and second reference column lateral wall opens has the second through-hole that is used for passing the push rod, and the push rod passes the second through-hole through mobilizable mode for the device can be applicable to the sealed detection including the multiple sample that has the independent cavity of airtight requirement, sets up mobilizable push rod simultaneously, through the position of adjusting the push rod, can be applicable to the different sample in multiple side plugging hole position, has improved the device's application range, has improved work efficiency.

Description

Plugging device of leakage tester

Technical Field

The utility model relates to a leak tester shutoff equipment technical field, concretely relates to leak tester plugging device.

Background

In recent years, the domestic automobile industry is in blowout development, and the number of the demands of the mounted transmission shell and the speed reducer shell is increased greatly. In order to ensure the safety of vehicles, the transmission shell of an automobile has the requirement of sealing performance, so that a leakage tester is required to be used when parts such as the transmission shell are manufactured. The leakage tester is a device which plugs the product through each plugging mechanism, fills gas with a certain pressure into a sealed space, and judges the air tightness of the product by detecting the pressure difference of the sealed gas in a certain time.

In the prior art, publication number CN215217935U discloses a lateral plugging device of a cylinder leakage tester, which comprises a front plugging mechanism, a rear supporting mechanism, a left plugging mechanism and a right plugging mechanism fixed on a mounting rack of the cylinder leakage tester, wherein a plugging area is formed among the front plugging mechanism, the rear supporting mechanism, the left plugging mechanism and the right plugging mechanism. Through setting up the reliable sealed of cylinder body side, cooperate with the vertical plugging device of cylinder body leak tester, can realize the shutoff of cylinder body all directions, improve the experimental accuracy of leak testing. However, the device has a small application range, more independent chambers with airtight requirements are required for some products, certain difficulty is caused in plugging, and the device cannot be completely applied to the structural design of complex products.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art not enough, the purpose is solved complicated product and has independent cavity that airtight required more, and ordinary plugging device can't be suitable for, provides a leak tester plugging device.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a plugging device of a leak tester is characterized by comprising a first plugging mechanism, a second plugging mechanism and an auxiliary mechanism, wherein the first plugging mechanism and the second plugging mechanism are in vertical mirror symmetry;

the first plugging mechanism comprises a plugging block main body, sealing rubber and a floating block, wherein a groove with an upward opening is formed in the plugging block main body, the floating block is inserted into the groove, the top end of the floating block extends outwards to the outer side of the groove, the floating block is connected with the bottom end of the groove through a flexible connecting piece, first through holes are formed in two sides of the inner wall of the groove, the sealing rubber is filled in the first through holes, and the outer portions of the sealing rubber extend into the inner side and the outer side of the first through holes;

the auxiliary mechanism comprises an upper positioning plate, a lower positioning plate and a push rod, wherein a first positioning column and a second positioning column are fixedly connected to the upper positioning plate, the bottom end of the first positioning column is fixedly connected with the second plugging mechanism, the bottom end of the second positioning column is fixedly connected with the bottom surface of the second plugging mechanism, a second through hole used for penetrating the push rod is formed in the side wall of the second positioning column, the push rod penetrates through the second through hole in a movable mode, the lower positioning plate is fixedly connected with a first plugging mechanism, and the lower positioning plate is abutted to the upper positioning plate through the first plugging mechanism.

Further, the minimum radius of the sealing rubber to the center of the groove is smaller than the minimum radius of the slider to the center of the groove.

Furthermore, the upper positioning plate is provided with a bulge for pressing the first plugging mechanism on the lower positioning plate.

Furthermore, a sealing ring is arranged at the tail end of the push rod.

Furthermore, the second plugging mechanism and the first positioning column and the second positioning column connected with the second plugging mechanism are of an integrated structure, and the first plugging mechanism and the lower positioning plate connected with the first plugging mechanism are of an integrated structure.

The utility model has the advantages that: the utility model discloses a setting includes complementary unit, first shutoff mechanism, second shutoff mechanism, includes locating plate, lower locating plate, push rod through setting up complementary unit, first reference column, second reference column of fixed connection on the locating plate, first reference column bottom and second shutoff mechanism fixed connection, second reference column bottom and second shutoff mechanism bottom surface fixed connection, and second reference column lateral wall open has the second through-hole that is used for passing the push rod, the push rod passes the second through-hole through mobilizable mode for the device can be applicable to the sealed detection including the sample of the multiple independent cavity that has the airtight requirement, sets up mobilizable push rod simultaneously, through the position of adjusting push rod, can be applicable to the different sample of multiple side shutoff hole position, has improved the device's application range, has improved work efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the present invention in an operating state;

fig. 3 is a schematic structural diagram of a first plugging mechanism of the present invention;

fig. 4 is a schematic structural view of a second plugging mechanism of the present invention;

fig. 5 is a schematic structural view of the lower positioning plate of the present invention;

fig. 6 is a schematic structural view of the upper positioning plate of the present invention;

in the figure: 1. the sealing device comprises a first sealing mechanism, 2, a second sealing mechanism, 3, a sealing block main body, 4, sealing rubber, 5, a floating block, 6, a groove, 7, a flexible connecting piece, 8, a first through hole, 9, an upper positioning plate, 91, a bulge, 10, a lower positioning plate, 101, a first positioning column, 102, a second positioning column, 11, a push rod, 12, a second through hole and 13 workpieces.

Detailed Description

The principles and features of the present invention will be described with reference to the drawings, which are provided for illustration purposes only and are not intended to limit the scope of the present invention.

As shown in fig. 1 to 6, the plugging device of the leak tester of the present embodiment includes a first plugging mechanism 1, a second plugging mechanism 2, and an auxiliary mechanism, where the first plugging mechanism 1 and the second plugging mechanism 2 are vertically mirror-symmetrical;

the first plugging mechanism 1 comprises a plugging block main body 3, sealing rubber 4 and a floating block 5, wherein a groove 6 with an upward opening is formed in the plugging block main body 3, the floating block 5 is inserted into the groove 6, the top end of the floating block 5 extends outwards to the outer side of the groove 6, the floating block 5 is connected with the bottom end of the groove 6 through a flexible connecting piece 7, first through holes 8 are formed in two sides of the inner wall of the groove 6, the sealing rubber 4 is filled in the first through holes 8, and the sealing rubber 4 extends to the inner side and the outer side of the first through holes 8;

the auxiliary mechanism comprises an upper positioning plate 9, a lower positioning plate 10 and a push rod 11, wherein the upper positioning plate 10 is fixedly connected with a first positioning column 101 and a second positioning column 102, the bottom end of the first positioning column 101 is fixedly connected with a second plugging mechanism 2, the bottom end of the second positioning column 102 is fixedly connected with the bottom surface of the second plugging mechanism 2, the side wall of the second positioning column 102 is provided with a second through hole 12 for penetrating through the push rod 11, the push rod 11 penetrates through the second through hole 12 in a movable mode, the lower positioning plate 10 is fixedly connected with a first plugging mechanism 1, and the lower positioning plate 10 is abutted to the upper positioning plate 9 through the first plugging mechanism 1.

In this embodiment, the minimum radius from the sealing rubber 4 to the center of the groove 6 is smaller than the minimum radius from the floating block 5 to the center of the groove 6, so that after the floating block 5 is pressed into the groove 6, the floating block 5 and the sealing rubber 4 are mutually extruded, the sealing rubber 4 is stressed to deform and outwardly extend to the outer side of the first through hole 8, and the workpiece 13 is plugged and tensioned.

In this embodiment, the upper positioning plate 9 is provided with a protrusion 91 for pressing the first plugging mechanism 1 on the lower positioning plate 10, the end of the push rod 11 is provided with a sealing ring, the second plugging mechanism 2 is integrated with the first positioning column 101 and the second positioning column 102 connected thereto, and the first plugging mechanism 1 is integrated with the lower positioning plate 10 connected thereto.

In this embodiment, during operation, after a workpiece 13 is placed in the positioning tool, the upper positioning plate 9 is pressed down, the protrusion 91 is contacted with the first plugging structure 1 on the lower positioning plate 10 and then continuously pressed down, after the second plugging mechanisms 2 on the first positioning column 101 and the second positioning column 102 are contacted with the workpiece 13 and are mutually squeezed, the floating block 5 is squeezed into the groove 6, the sealing rubber 4 is squeezed and expanded to play a role in plugging the workpiece 13, after the plugging in place in the vertical direction, the push rod 11 is pushed inwards into a hole to be plugged corresponding to the workpiece 13 along the second through hole 12, and a sealing ring at the tail end of the push rod 11 is matched with the plugging hole on the workpiece 13 to complete the plugging of the side face.

The above embodiment is only one embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A plugging device of a leakage tester is characterized by comprising a first plugging mechanism (1), a second plugging mechanism (2) and an auxiliary mechanism, wherein the first plugging mechanism (1) and the second plugging mechanism (2) are in vertical mirror symmetry;

the first plugging mechanism (1) comprises a plugging block main body (3), sealing rubber (4) and a floating block (5), wherein a groove (6) with an upward opening is formed in the plugging block main body (3), the floating block (5) is inserted into the groove (6), the top end of the floating block (5) extends outwards to the outer side of the groove (6), the floating block (5) is connected with the bottom end of the groove (6) through a flexible connecting piece (7), first through holes (8) are formed in two sides of the inner wall of the groove (6), the sealing rubber (4) is filled in the first through holes (8), and the sealing rubber (4) extends to the inner side and the outer side of the first through holes (8);

the auxiliary mechanism comprises an upper positioning plate (9), a lower positioning plate (10) and a push rod (11), wherein the upper positioning plate (9) is fixedly connected with a first positioning column (101) and a second positioning column (102), the bottom end of the first positioning column (101) is fixedly connected with a second plugging mechanism (2), the bottom end of the second positioning column (102) is fixedly connected with the bottom surface of the second plugging mechanism (2), a second through hole (12) used for penetrating through the push rod (11) is formed in the side wall of the second positioning column (102), the push rod (11) penetrates through the second through hole (12) in a movable mode, the lower positioning plate (10) is fixedly connected with a first plugging mechanism (1), and the lower positioning plate (10) is in offset contact with the upper positioning plate (9) through the first plugging mechanism (1).

2. A leak tester plugging device according to claim 1, wherein the smallest radius of the sealing rubber (4) to the center of the groove (6) is smaller than the smallest radius of the slider (5) to the center of the groove (6).

3. The plugging device of a leak tester as claimed in claim 1, wherein the upper positioning plate (9) is provided with a protrusion (91) for pressing the first plugging mechanism (1) on the lower positioning plate (10).

4. The plugging device of a leak tester as claimed in claim 1, wherein the end of the push rod (11) is provided with a sealing ring.

5. The plugging device of a leakage tester according to claim 1, wherein the second plugging mechanism (2) and the first positioning column (101) and the second positioning column (102) connected with the second plugging mechanism are of an integrated structure, and the first plugging mechanism (1) and the lower positioning plate (10) connected with the first plugging mechanism are of an integrated structure.