CN215767554U

CN215767554U - Air tightness test equipment

Info

Publication number: CN215767554U
Application number: CN202122077141.1U
Authority: CN
Inventors: 钱浩浩
Original assignee: Dolz Auto Parts Suzhou Co Ltd
Current assignee: Dolz Auto Parts Suzhou Co Ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-02-08
Anticipated expiration: 2031-08-31

Abstract

The utility model discloses air tightness testing equipment, and particularly relates to the field of air tightness testing equipment. According to the utility model, the fixing mechanism is arranged, the test pressing head moves downwards to press and fix the water pump, the test pressing head drives the inclined rod to move in the moving process, the inclined rod drives the sliding block to slide in the sliding groove, and the sliding block drives the rubber pad to be attached to the water pump for better fixing.

Description

Air tightness test equipment

Technical Field

The utility model relates to the technical field of air tightness testing equipment, in particular to air tightness testing equipment.

Background

The water pump is a machine for conveying liquid or pressurizing liquid, which transmits the mechanical energy of a prime motor or other external energy to the liquid to increase the energy of the liquid, and is mainly used for conveying liquid including water, oil, acid-base liquid, emulsion, suspoemulsion, liquid metal and the like.

The existing air tightness detection equipment cannot fix the water pump well, so that the air leakage condition of the water pump possibly occurs in the detection process, the accuracy of a detection result is directly influenced, the use effect is poor, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above defects in the prior art, embodiments of the present invention provide an air tightness testing device, in which a fixing mechanism is provided, a testing pressing head moves downward to press and fix a water pump, the testing pressing head drives an inclined rod to move downward in the process of moving downward, the inclined rod drives a sliding block to slide in a sliding groove, and the sliding block drives a rubber pad to be attached to the water pump for better fixation, so as to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the air tightness testing device comprises a workbench, wherein a pressure testing pressing head is arranged above the workbench, a silica gel backing plate is fixedly connected to the top of the workbench, the workbench and the silica gel backing plate are jointly provided with two sliding grooves, and fixing mechanisms are respectively arranged between the two sliding grooves and the pressure testing pressing head;

the fixing mechanism comprises a sliding block arranged in a sliding groove, a movable groove is formed in the sliding block, two fixing plates are fixedly connected to one side of the test pressing head, a threaded rod is arranged between the two fixing plates, an inclined rod is sleeved on the threaded rod, and a rubber pad is fixedly connected to one side of the sliding block.

In a preferred embodiment, the vertical section of the movable groove is triangular, and the rubber pad is arc-shaped.

In a preferred embodiment, two round rods penetrate through the sliding block, two ends of each round rod are fixedly connected with one side, adjacent to the inner cavity of the sliding groove, of each round rod, and a return spring is sleeved on each round rod.

In a preferred embodiment, the top of the workbench is fixedly connected with a pressing balance rod, and the top of the test pressing head is fixedly connected with the bottom of the pressing balance rod.

In a preferred embodiment, a display is mounted on the top of the workbench, and a test switch is mounted on the display.

In a preferred embodiment, an integrated vacuum chamber is installed at the bottom of the workbench, a vacuum pump is arranged below the workbench, a connecting pipe is jointly arranged between the integrated vacuum chamber and the vacuum pump, a test hole is jointly formed in the silica gel base plate and the workbench, and a water pump is arranged in the test hole.

In a preferred embodiment, the bottom of the workbench is fixedly connected with supporting legs close to four corners, and the bottom ends of the four supporting legs are fixedly connected with foot pads.

The utility model has the technical effects and advantages that:

1. the water pump is placed in the test hole by arranging the fixing mechanism, the pressure testing pressing head is started, the pressure testing pressing head moves downwards to press and fix the water pump, the pressure testing pressing head drives the inclined rod to move downwards in the downward movement process, when the inclined rod moves to the position of the movable groove, the vertical section of the movable groove is in an inclined arrangement, the inclined rod can drive the sliding block to slide in the sliding groove, the sliding block drives the rubber pad to be attached to the water pump, so that the water pump is better fixed, the inclined rod can be driven to move up and down by rotating the threaded rod, the sliding distance of the inclined rod driving the sliding block to slide is adjusted, the water pump is suitable for water pumps with different sizes, and the use range is enlarged;

2. through setting up integrated real empty room and vacuum pump, the vacuum pump is taken out integrated real empty room's air through the connecting pipe, after reaching certain vacuum condition, can carry out the gas tightness through integrated real empty room and detect the water pump, and the result that the gas tightness detected shows on the display, makes things convenient for the staff to observe, and the silica gel backing plate can increase the leakproofness, prevents that the outside air from entering into integrated vacuum chamber in, improves the accuracy of testing result, excellent in use effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view of the bottom structure of the workbench according to the present invention.

Fig. 3 is a schematic structural diagram of the fixing mechanism of the present invention.

FIG. 4 is a schematic view of the structure of the test well according to the present invention.

The reference signs are: 1. a work table; 2. testing and pressing a pressure fitting head; 3. a silica gel pad; 4. a fixing mechanism; 401. a slider; 402. a rubber pad; 403. a fixing plate; 404. a threaded rod; 405. a diagonal bar; 406. a round bar; 407. a return spring; 5. pressing a balance rod; 6. a display; 7. a test switch; 8. an integrated vacuum chamber; 9. a vacuum pump; 10. a connecting pipe; 11. a water pump; 12. and (5) supporting legs.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The air tightness testing device shown in the attached figures 1-4 comprises a workbench 1, a pressure testing and pressing joint 2 is arranged above the workbench 1, a silica gel backing plate 3 is fixedly connected to the top of the workbench 1, the workbench 1 and the silica gel backing plate 3 are jointly provided with two sliding grooves, and fixing mechanisms 4 are respectively arranged between the two sliding grooves and the pressure testing and pressing joint 2;

the fixing mechanism 4 comprises a sliding block 401 arranged in a sliding groove, a movable groove is formed in the sliding block 401, two fixing plates 403 are fixedly connected to one side of the testing press fit head 2, a threaded rod 404 is arranged between the two fixing plates 403, an inclined rod 405 is sleeved on the threaded rod 404, and a rubber pad 402 is fixedly connected to one side of the sliding block 401.

As shown in the attached drawing 3, the vertical section of the movable groove is triangular, so that the inclined rod 405 can drive the sliding block 401 to move conveniently, the rubber pad 402 is arc-shaped, the water pump 11 can be better fixed, and the accuracy of the detection result is improved.

As shown in fig. 3, two round rods 406 penetrate through the sliding block 401, two ends of each round rod 406 are fixedly connected with one adjacent side of the inner cavity of the sliding chute, a reset spring 407 is sleeved on each round rod 406, and after the test is finished, when the pressure testing combination head 2 drives the inclined rod 405 to move upwards, the sliding block 401 can automatically reset under the action of the reset spring 407, so that the next test is conveniently performed.

As shown in the attached drawing 2, the top of the workbench 1 is fixedly connected with a pressing balance rod 5, and the top of the pressure testing pressing head 2 is fixedly connected with the bottom of the pressing balance rod 5, so that the pressure testing pressing head 2 is conveniently supported and fixed.

As shown in the attached figure 1, a display 6 is installed on the top of the workbench 1, and a test switch 7 is installed on the display 6, so that the operation is convenient.

As shown in the attached drawing 2, an integrated vacuum chamber 8 is installed at the bottom of a workbench 1, a vacuum pump 9 is arranged below the workbench 1, a connecting pipe 10 is jointly arranged between the integrated vacuum chamber 8 and the vacuum pump 9, a test hole is jointly formed in a silica gel base plate 3 and the workbench 1, a water pump 11 is arranged in the test hole, the integrated vacuum chamber 8 and the vacuum pump 9 are both electrically connected with a display 6 and a test switch 7, and the integrated vacuum chamber 8 and the vacuum pump 9 can be conveniently operated.

As shown in the attached drawing 1, the bottom of the workbench 1 is close to the four-corner-position-part-equal fixedly connected supporting leg 12, the foot pad is fixedly connected to the bottom ends of the four supporting legs 12, the whole workbench 1 can be supported, the foot pad can play a role in skid resistance, and the using effect is improved.

The working principle of the utility model is as follows: when the device is used, firstly, a water pump 11 to be detected is placed in a test hole, a test pressing head 2 is started, the test pressing head 2 moves downwards to press and fix the water pump 11, the test pressing head 2 drives an inclined rod 405 to move downwards in the downward movement process, when the inclined rod 405 moves to the position of a movable groove, the inclined rod 405 can drive a sliding block 401 to slide in the sliding groove due to the inclined arrangement of the vertical section of the movable groove, the sliding block 401 drives a rubber pad 402 to be attached to the water pump 11, so that the water pump 11 is better fixed, the inclined rod 405 can be driven to move up and down by rotating a threaded rod 404, the sliding distance of the sliding block 401 driven by the inclined rod 405 is adjusted, the water pump 11 with different sizes is adapted, and the use range is improved;

can control vacuum pump 9 through test switch 7 and start, vacuum pump 9 takes out integrated real empty room 8's air through connecting pipe 10, after reaching certain vacuum condition, can carry out the gas tightness through integrated real empty room 8 and detect water pump 11, the result that the gas tightness detected shows on display 6, make things convenient for the staff to observe the testing result, through setting up silica gel backing plate 3, can increase the leakproofness, prevent that external air from entering into integrated real empty room 8 in, thereby improve the accuracy of testing result.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. An air-tightness testing device comprising a worktable (1), characterized in that: a pressure measurement and test combining head (2) is arranged above the workbench (1), a silica gel backing plate (3) is fixedly connected to the top of the workbench (1), two sliding grooves are jointly formed in the workbench (1) and the silica gel backing plate (3), and fixing mechanisms (4) are respectively arranged between the two sliding grooves and the pressure measurement and test combining head (2);

fixed establishment (4) are including establishing slider (401) in the spout, the movable groove has been seted up on slider (401), survey two fixed plates (403) of pressure testing combination head (2) one side fixedly connected with, two be equipped with threaded rod (404) between fixed plate (403), the cover is equipped with down tube (405) on threaded rod (404), slider (401) one side fixedly connected with rubber pad (402).

2. The airtightness testing apparatus according to claim 1, wherein: the vertical section of the movable groove is triangular, and the rubber pad (402) is arc-shaped.

3. The airtightness testing apparatus according to claim 1, wherein: two round rods (406) are arranged on the sliding block (401) in a penetrating mode, two ends of each round rod (406) are fixedly connected with one side, adjacent to the inner cavity of the sliding groove, of the corresponding round rod (406), and a return spring (407) is sleeved on each round rod (406).

4. The airtightness testing apparatus according to claim 1, wherein: the top of the workbench (1) is fixedly connected with a press balance rod (5), and the top of the pressure testing pressing head (2) is fixedly connected with the bottom of the press balance rod (5).

5. The airtightness testing apparatus according to claim 1, wherein: display (6) are installed at workstation (1) top, install test switch (7) on display (6).

6. The airtightness testing apparatus according to claim 1, wherein: integrated real empty room (8) are installed to workstation (1) bottom, workstation (1) below is equipped with vacuum pump (9), be equipped with connecting pipe (10) jointly between integrated real empty room (8) and vacuum pump (9), the test hole has been seted up jointly with workstation (1) in silica gel backing plate (3), be equipped with water pump (11) in the test hole.

7. The airtightness testing apparatus according to claim 1, wherein: the bottom of the workbench (1) is close to four corners and is fixedly connected with supporting legs (12) and four supporting legs (12) and foot pads.