CN220018828U

CN220018828U - Electronic water pump gas tightness detects shutoff mechanism

Info

Publication number: CN220018828U
Application number: CN202320866913.6U
Authority: CN
Inventors: 施永强
Original assignee: Jiangsu Kaidi Aviation Control System Co ltd
Current assignee: Jiangsu Kaidi Aviation Control System Co ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-11-14
Anticipated expiration: 2033-04-18

Abstract

The utility model relates to an electronic water pump air tightness detection plugging mechanism. The utility model comprises an expansion assembly, wherein the tension assembly comprises an expansion cylinder and an expansion sleeve connected with the expansion cylinder, and the expansion sleeve is communicated with a test medium inlet; the driving assembly can drive the expansion assembly to move along the workbench so that the expansion sleeve enters the test port of the electronic water pump, and the expansion sleeve can be driven by the expansion cylinder to expand so as to seal the test port. According to the air tightness detection plugging mechanism for the electronic water pump, provided by the utility model, the expansion assembly and the driving assembly are arranged, so that the expansion sleeve can be quickly sealed at the test port of the electronic water pump, the tightness during detection is ensured, and the detection efficiency is improved.

Description

Electronic water pump gas tightness detects shutoff mechanism

Technical Field

The utility model relates to the technical field of water pump detection, in particular to an electronic water pump air tightness detection blocking mechanism.

Background

Before the electronic water pump leaves the factory, the air tightness of the water pump is required to be detected, so that the situations of leakage, pressure drop and the like caused by leakage are avoided, and when the air tightness of the water pump is detected, air is required to be introduced into a test port (a water outlet pipe of a pressure shell in general) of the electronic water pump, and the air tightness is detected by an air tightness sensor.

When the air tightness of the water pump is detected, the tightness is required to be ensured when the air is introduced into the water outlet pipe, and a mode of sealing the test port by rubber and introducing the air is generally adopted, but the operation is complicated, air leakage is easy to occur, and the test result is influenced.

Disclosure of Invention

Therefore, the utility model provides the sealing mechanism for detecting the air tightness of the electronic water pump, which can rapidly seal the test port of the electronic water pump and introduce air, thereby ensuring the tightness during detection.

In order to solve the technical problems, the utility model provides an electronic water pump air tightness detection blocking mechanism, which comprises a workbench, wherein the workbench is provided with:

the expansion assembly comprises an expansion cylinder and an expansion sleeve connected with the expansion cylinder, and the expansion sleeve is communicated with a test medium inlet;

the driving assembly can drive the expansion assembly to move along the workbench so that the expansion sleeve enters the test port of the electronic water pump, and the expansion sleeve can be driven by the expansion cylinder to expand so as to seal the test port.

In one embodiment of the utility model, the driving assembly comprises a sliding rail and a driving cylinder which are arranged at the upper end of the workbench, the sliding rail is connected with a mounting plate in a sliding manner, the expanding cylinder is connected with the mounting plate, and the driving end of the driving cylinder is connected with the mounting plate.

In one embodiment of the utility model, the expansion assembly further comprises a mounting plate connected to the mounting plate, the mounting plate is provided with a convex plate, the mounting plate and the convex plate are provided with through cavities, the expansion cylinder is connected with a driving shaft penetrating through the through cavities, one end of the driving shaft penetrates through the mounting plate, the through cavities and is provided with an expansion plate, the expansion sleeve is sleeved on the driving shaft and is positioned between the expansion plate and the convex plate, the side end of the driving shaft is provided with the test medium inlet, the driving shaft is of a hollow structure and is communicated with an air pipe joint through the test medium inlet, and the expansion plate is provided with an air port communicated with the hollow structure.

In one embodiment of the utility model, the expansion disc diameter is greater than the expansion shell inner diameter.

In one embodiment of the present utility model, the side end of the driving shaft is coaxially extended with a disc seat coaxially arranged with the driving shaft, and the air pipe joint is connected to the disc seat.

In one embodiment of the utility model, the side end of the mounting plate is further provided with an avoidance notch, and the air pipe joint moves along the avoidance notch along with the movement of the driving shaft.

In one embodiment of the utility model, the expansion sleeve is a rubber sleeve.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

according to the air tightness detection plugging mechanism for the electronic water pump, provided by the utility model, the expansion assembly and the driving assembly are arranged, so that the expansion sleeve can be quickly sealed at the test port of the electronic water pump, the tightness during detection is ensured, and the detection efficiency is improved.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.

Fig. 1 is a schematic structural view of an electronic water pump air tightness detection blocking mechanism of the utility model.

Fig. 2 is a schematic front view of the expansion assembly of the present utility model.

Fig. 3 is a schematic cross-sectional view of fig. 2 taken along the direction A-A.

Figure 4 is a schematic view of the isometric cross-sectional structure of figure 2 taken along the A-A direction.

Fig. 5 is a schematic view of the structure of the driving shaft of the present utility model.

Fig. 6 is a schematic view of the structure of the driving shaft of the present utility model after connecting with the air pipe joint.

Description of the specification reference numerals:

1. an expansion assembly; 11. an expansion cylinder; 12. an expansion sleeve; 13. a test medium inlet; 14. a mounting plate; 141. avoiding the notch; 15. a cam; 16. a drive shaft; 161. a tray seat; 17. an expansion disc; 171. an air port; 18. an air pipe joint; 19. a cavity is communicated;

2. a drive assembly; 21. a slide rail; 22. a driving cylinder; 23. and (3) mounting a plate.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.

In the present utility model, if directions (up, down, left, right, front and rear) are described, they are merely for convenience of description of the technical solution of the present utility model, and do not indicate or imply that the technical features must be in a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, "a plurality of" means one or more, and "a plurality of" means two or more, and "greater than", "less than", "exceeding", etc. are understood to not include the present number; "above", "below", "within" and the like are understood to include this number. In the description of the present utility model, the description of "first" and "second" if any is used solely for the purpose of distinguishing between technical features and not necessarily for the purpose of indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the present utility model, unless clearly defined otherwise, terms such as "disposed," "mounted," "connected," and the like should be construed broadly and may be connected directly or indirectly through an intermediate medium, for example; the connecting device can be fixedly connected, detachably connected and integrally formed; can be mechanically connected, electrically connected or capable of communicating with each other; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.

Referring to fig. 1 to 6, the air tightness detection and blocking mechanism of the electronic water pump of the present utility model comprises a workbench, wherein the workbench is provided with:

the device comprises an expansion assembly 1, wherein the expansion assembly 1 comprises an expansion cylinder 11 and an expansion sleeve 12 connected with the expansion cylinder 11, and the expansion sleeve 12 is communicated with a test medium inlet 13;

the driving assembly 2 can drive the expansion assembly 1 to move along the workbench so that the expansion sleeve 12 enters the test port of the electronic water pump, and the expansion sleeve 12 can be driven by the expansion cylinder 11 to expand so as to seal the test port.

Specifically, the driving assembly 2 comprises a sliding rail 21 and a driving air cylinder 22 which are arranged at the upper end of the workbench, the sliding rail 21 is slidably connected with a mounting plate 23, the expanding air cylinder 11 is connected with the mounting plate 23, and the driving end of the driving air cylinder 22 is connected with the mounting plate 23.

Specifically, the expansion assembly 1 further comprises a mounting plate 14 connected to the mounting plate 23, the mounting plate 14 is provided with a convex plate 15, the mounting plate 14 and the convex plate 15 are provided with a through cavity 19, the expansion cylinder 11 is connected with a driving shaft 16 penetrating through the through cavity 19, one end of the driving shaft 16 penetrates through the mounting plate 23, the through cavity 19 and is provided with an expansion plate 17, the expansion sleeve 12 is sleeved on the driving shaft 16 and is located between the expansion plate 17 and the convex plate 15 so as to limit the expansion sleeve 12, the side end of the driving shaft 16 is provided with a test medium inlet 13, the driving shaft 16 is of a hollow structure and is communicated with an air pipe joint 18 through the test medium inlet 13, and the expansion plate 17 is provided with an air port 171 communicated with the hollow structure.

Through the above arrangement, in the initial state, the driving shaft 16 is in an extended state, the expansion sleeve 12 is driven by the driving component 2 to be inserted into the testing port of the pressing shell, the driving shaft 16 is retracted to a preset position, and the expansion sleeve 12 is driven by the expansion disc 17 to expand, so that the expansion sleeve is blocked at the water outlet of the pressing shell.

Specifically, the diameter of the expansion disc 17 is larger than the inner diameter of the expansion sleeve 12.

Specifically, the side end of the driving shaft 16 extends coaxially to form a disc seat 161 coaxially arranged with the driving shaft 16, and the air pipe joint 18 is connected to the disc seat 161, so that the air pipe joint 18 is convenient to install.

Specifically, the side end of the mounting plate 14 is further provided with an avoidance gap 141, and the air pipe joint 18 moves along the avoidance gap 141 along with the movement of the driving shaft 16.

Specifically, the expansion sleeve 12 is a rubber sleeve.

In this embodiment, an air supply pipe for supplying air and an air tightness sensor for detecting air tightness are connected to the air pipe joint 18.

The utility model uses the principle that: fixing a water pump to be tested, enabling a test port (a water outlet of a water pump pressing shell) of the water pump to be positioned at one side of the driving end of the expansion cylinder 11, and enabling the expansion sleeve 12 to be inserted into the test port through driving of the driving assembly 2; subsequently, the driving shaft 16 is retracted to a preset position, and the expansion disc 17 drives the expansion sleeve 12 to expand (i.e. the outer diameter is increased) so as to block the test port; the gas is supplied through the gas supply pipe to the gas pipe joint 18, and the gas tightness is detected by the gas tightness sensor.

Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same, and although the present utility model has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present utility model.

Claims

1. The utility model provides an electron water pump gas tightness detects shutoff mechanism, includes the workstation, its characterized in that, be equipped with on the workstation:

the device comprises an expansion assembly (1), wherein the expansion assembly (1) comprises an expansion cylinder (11) and an expansion sleeve (12) connected with the expansion cylinder (11), and the expansion sleeve (12) is communicated with a test medium inlet (13);

the driving assembly (2), the driving assembly (2) can drive the expansion assembly (1) to move along the workbench so that the expansion sleeve (12) enters the test port of the electronic water pump, and the expansion sleeve (12) can be driven by the expansion cylinder (11) to expand so as to seal the test port.

2. The electronic water pump air tightness detection plugging mechanism according to claim 1, wherein the driving assembly (2) comprises a sliding rail (21) arranged at the upper end of the workbench and a driving cylinder (22), the sliding rail (21) is slidably connected with a mounting plate (23), the expanding cylinder (11) is connected with the mounting plate (23), and the driving end of the driving cylinder (22) is connected with the mounting plate (23).

3. The electronic water pump air tightness detection plugging mechanism according to claim 2, wherein the expansion assembly (1) further comprises a mounting plate (14) connected to the mounting plate (23), the mounting plate (14) is provided with a convex plate (15), the mounting plate (14) and the convex plate (15) are provided with a through cavity (19), the expansion cylinder (11) is connected with a driving shaft (16) penetrating through the through cavity (19), one end of the driving shaft (16) penetrates through the mounting plate (23), the through cavity (19) and is provided with an expansion plate (17), the expansion sleeve (12) is sleeved on the driving shaft (16) and is located between the expansion plate (17) and the convex plate (15), the side end of the driving shaft (16) is provided with the test medium inlet (13), the driving shaft (16) is of a hollow structure and is communicated with an air pipe joint (18) through the test medium inlet (13), and the expansion plate (17) is provided with an air port (171) communicated with the hollow structure.

4. An electronic water pump air tightness detection plugging mechanism according to claim 3 and wherein said expansion disc (17) has a diameter greater than the inner diameter of said expansion sleeve (12).

5. An electronic water pump air tightness detection plugging mechanism according to claim 3, wherein a disc seat (161) coaxially arranged with the driving shaft (16) is coaxially arranged at the side end of the driving shaft (16), and the air pipe joint (18) is connected with the disc seat (161).

6. An electronic water pump air tightness detection plugging mechanism according to claim 3, wherein an avoidance gap (141) is further provided at a side end of the mounting plate (14), and the air pipe joint (18) moves along the avoidance gap (141) along with the movement of the driving shaft (16).

7. The electronic water pump air tightness detection plugging mechanism according to claim 1, wherein the expansion sleeve (12) is a rubber sleeve.