CN219714624U - Electronic water pump air tightness detection device - Google Patents

Abstract

The utility model relates to an electronic water pump air tightness detection device. The utility model comprises a placing seat for placing a water pump to be tested; the compression assembly is used for compressing the water pump to be tested on the placement seat; the water inlet plugging assembly comprises a first expansion cylinder and a first expansion sleeve connected with the first expansion cylinder, the first expansion sleeve can be driven by the first expansion cylinder to expand so as to plug the water inlet, and the placing seat is provided with a through hole for the first expansion sleeve to pass through and penetrate through the workbench; the water outlet plugging assembly comprises a second expansion cylinder, an expansion seat and a second expansion sleeve, and the second expansion sleeve is communicated with a test medium inlet; the driving assembly can drive the water outlet plugging assembly to move along the workbench so that the second expansion sleeve enters the water outlet, and the second expansion sleeve can be driven by the first expansion cylinder to expand so as to plug the water outlet. The utility model can rapidly and accurately automatically detect the air tightness of the electronic water pump.

Description

Electronic water pump air tightness detection device

Technical Field

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

Background

The electronic water pump is used as an important part of the new energy automobile, can cool a battery and a motor of the new energy automobile, and is used as a power source to provide power output for the waterway circulation of the heating of the warm air system.

When the electronic water pump normally operates, liquid flows in the electronic water pump, and certain pressure exists, if leakage occurs, the working conditions such as liquid leakage, pressure drop and the like occur, and the water pump can fail, so that the situation that leakage cannot occur to each part must be ensured.

The existing water pump air tightness detection generally adopts clamping of the electronic water pump and uses rubber to block the test port, but the electronic water pump is easy to block in place, so that the test result is inaccurate, and the electronic water pump is easy to move when being clamped, so that the air tightness detection is affected.

Disclosure of Invention

Therefore, the utility model provides the electronic water pump air tightness detection device which can rapidly and accurately automatically detect the air tightness of the electronic water pump.

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

the water pump to be tested comprises a pressing shell which is supported on the placing seat and is provided with a water inlet and a water outlet;

the compression assembly is used for compressing the water pump to be tested on the placement seat;

the water inlet plugging assembly comprises a first expansion cylinder and a first expansion sleeve connected with the first expansion cylinder, the first expansion sleeve can be driven by the first expansion cylinder to expand so as to plug the water inlet, and the placing seat is provided with a through hole used for the first expansion sleeve to pass through and penetrate through the workbench;

the water outlet plugging assembly comprises a second expansion cylinder and a second expansion sleeve connected with the second expansion cylinder, and the second expansion sleeve is communicated with a test medium inlet;

the driving assembly can drive the water outlet plugging assembly to move along the workbench so that the second expansion sleeve enters the water outlet, and the second expansion sleeve can be driven by the first expansion cylinder to expand so as to plug the water outlet.

In one embodiment of the present utility model, a placement groove is provided at the upper end of the placement seat, and the shape of the placement groove is adapted to the shape of the press shell.

In one embodiment of the utility model, the first expansion cylinder is connected with a mounting seat and is connected to the bottom end of the workbench through the mounting seat, the water inlet plugging assembly further comprises a first mounting plate connected to the mounting seat, a first convex plate is arranged at the center of the first mounting plate, a first through cavity is formed in the first mounting plate and the first convex plate, the first expansion cylinder is connected with a first driving shaft penetrating through the first through cavity, one end of the first driving shaft penetrates through the mounting seat, the first through cavity and is provided with a first expansion plate, the first expansion sleeve is sleeved on the first driving shaft and is positioned between the first expansion plate and the first convex plate, and the diameter of the first expansion plate is larger than the inner diameter of the first expansion sleeve.

In one embodiment of the utility model, the first drive shaft is of solid construction.

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 second 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 water outlet plugging assembly further comprises a second mounting plate connected to the mounting plate, the second mounting plate is provided with a second convex plate, the second mounting plate and the second convex plate are provided with a second through cavity, the second expansion cylinder is connected with a second driving shaft penetrating through the second through cavity, one end of the second driving shaft penetrates through the mounting plate, the second through cavity and is provided with a second expansion plate, the second expansion plate is sleeved on the second driving shaft and is positioned between the second expansion plate and the second convex plate, the diameter of the second expansion plate is larger than the inner diameter of the second expansion plate, the second driving shaft is of a hollow structure, the side end of the second driving shaft is communicated with an air pipe joint, the air pipe joint is communicated with the test medium inlet, and the second expansion plate is provided with an air port communicated with the hollow structure.

In one embodiment of the present utility model, the second driving shaft has a disc seat coaxially extending from a side end thereof, and the air pipe joint is connected to the disc seat.

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

In one embodiment of the utility model, the pressing assembly comprises a pressing cylinder arranged at the upper end of the workbench, a pressing block connected with the driving end of the pressing cylinder and a pressing rod connected with the pressing block, wherein the pressing rod is perpendicular to the workbench and is positioned above the water pump to be tested.

In one embodiment of the present utility model, the first and second expansion shells are rubber shells.

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

according to the electronic water pump air tightness detection device, the water inlet plugging assembly and the water outlet plugging assembly are arranged, so that the tightness of an inlet and an outlet of the electronic water pump can be guaranteed, and the air tightness of the electronic water pump can be rapidly and accurately detected automatically.

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 diagram of the overall structure of the electronic water pump air tightness detection device according to the present utility model at a first side view angle.

Fig. 2 is a schematic diagram of the overall structure of the second side view of the air tightness detection device for the electronic water pump.

Fig. 3 is a schematic view of the structure of the placement seat of the present utility model.

FIG. 4 is a schematic view of the structure of the water inlet plugging assembly of the present utility model.

FIG. 5 is an isometric cross-sectional schematic view of a water inlet shutoff assembly of the utility model.

Fig. 6 is a schematic view of the structure of the water outlet plugging assembly of the present utility model.

Fig. 7 is a schematic front view of the water outlet closure assembly of the present utility model.

Fig. 8 is a schematic cross-sectional view of fig. 7 taken along the direction A-A.

Fig. 9 is a schematic view of the structure of the second drive shaft of the present utility model.

Fig. 10 is a schematic diagram of a water pump to be tested according to the present utility model.

Description of the specification reference numerals:

100. a work table;

200. the water pump to be tested; 210. pressing the shell; 211. a water inlet; 212. a water outlet;

300. a placement seat; 310. a through hole; 320. a placement groove;

1. a compression assembly; 11. a compacting cylinder; 12. briquetting; 13. a compression bar;

2. a water inlet plugging assembly; 21. the first expansion cylinder; 22. a first expansion sleeve; 23. a mounting base; 24. a first mounting plate; 25. a first cam; 26. a first drive shaft; 27. a first expansion disc; 28. a first through cavity;

3. a water outlet plugging assembly; 31. the second expansion cylinder; 32. the second expansion sleeve; 33. a test medium inlet; 34. a second mounting plate; 341. avoiding the notch; 35. a second cam; 36. a second drive shaft; 361. a tray seat; 37. a second expansion disc; 371. an air port; 38. an air pipe joint; 39. a second through cavity;

4. a drive assembly; 41. a slide rail; 42. a driving cylinder; 43. 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, 2 and 10, the air tightness detection device for an electronic water pump according to the present utility model includes a workbench 100, wherein the workbench 100 is provided with:

a placement base 300 for placing the water pump 200 to be tested, wherein the water pump 200 to be tested comprises a press shell 210 which is supported on the placement base 300 and is provided with a water inlet 211 and a water outlet 212;

the compression assembly 1 is used for compressing the water pump 200 to be tested on the placement seat 300;

the water inlet plugging assembly 2, wherein the water inlet plugging assembly 2 comprises a first expansion cylinder 21 and a first expansion sleeve 22 connected with the first expansion cylinder 21, the first expansion sleeve 22 can be driven to expand by the first expansion cylinder 21 to plug the water inlet 211, and the placing seat 300 is provided with a through hole 310 for the first expansion sleeve 22 to pass through and penetrate through the workbench 100;

the water outlet plugging assembly 3, wherein the water outlet plugging assembly 3 comprises a second expansion cylinder 31 and a second expansion sleeve 32 connected with the second expansion cylinder 31, and the second expansion sleeve 32 is communicated with a test medium inlet 33;

the driving assembly 4 can drive the water outlet plugging assembly 3 to move along the workbench 100 so that the second expansion sleeve 32 enters the water outlet 212, and the second expansion sleeve 32 can be driven to expand by the first expansion cylinder 21 so as to plug the water outlet 212.

Specifically, referring to fig. 3, a placement groove 320 is provided at the upper end of the placement base 300, and the shape of the placement groove 320 is adapted to the shape of the press shell 210. Through the above arrangement, after the water pump 200 to be tested is placed in the placement groove 320, an initial limit is given to the water pump 200 to be tested, so that the water pump is prevented from rotating.

Specifically, referring to fig. 4 and 5, the first expansion cylinder 21 is connected with a mounting seat 23 and is connected to the bottom end of the workbench 100 through the mounting seat 23, the water inlet plugging assembly 2 further includes a first mounting plate 24 connected to the mounting seat 23, a first convex plate 25 is disposed at the center of the first mounting plate 24, the first mounting plate 24 and the first convex plate 25 are provided with a first through cavity 28, the first expansion cylinder 21 is connected with a first driving shaft 26 penetrating through the first through cavity 28, one end of the first driving shaft 26 penetrates through the mounting seat 23, the first through cavity 28 and is provided with a first expansion plate 27, the first expansion sleeve 22 is sleeved on the first driving shaft 26 and is located between the first expansion plate 27 and the first convex plate 25, so as to limit the first expansion sleeve 22, and the diameter of the first expansion plate 27 is larger than the inner diameter of the first expansion sleeve 22. Through the above arrangement, in the initial state, the first driving shaft 26 is in an extended state and extends out of the bottom end of the placement seat 300, and after the water pump 200 to be tested is placed in the placement seat 300, the first expansion sleeve 22 is inserted into the water inlet 211 of the pressure shell 210 through the first driving shaft 26, is retracted to a preset position through the first driving shaft 26, and drives the first expansion sleeve 22 to expand through the first expansion disc 27, so that the first expansion sleeve is blocked in the water inlet 211 of the pressure shell 210. In this embodiment, the first driving shaft 26 is of a solid structure, which enhances the sealing performance.

Specifically, referring to fig. 2, the driving assembly 4 includes a sliding rail 41 and a driving cylinder 42 disposed at an upper end of the working table 100, the sliding rail 41 is slidably connected with a mounting plate 43, the second expanding cylinder 31 is connected with the mounting plate 43, and a driving end of the driving cylinder 42 is connected with the mounting plate 43.

Specifically, referring to fig. 6-8, the water outlet plugging assembly 3 further includes a second mounting plate 34 connected to the mounting plate 43, the second mounting plate 34 is provided with a second convex plate 35, the second mounting plate 34 and the second convex plate 35 are provided with a second through cavity 39, the second expansion cylinder 31 is connected with a second driving shaft 36 passing through the second through cavity 39, one end of the second driving shaft 36 passes through the mounting plate 43, the second through cavity 39 is provided with a second expansion plate 37, the second expansion sleeve 32 is sleeved on the second driving shaft 36 and is located between the second expansion plate 37 and the second convex plate 35, so as to limit the second expansion sleeve 32, the diameter of the second expansion plate 37 is larger than the inner diameter of the second expansion sleeve 32, the second driving shaft 36 is of a hollow structure, a side end is communicated with an air pipe joint 38, the air pipe joint 38 is communicated with the test medium inlet 33, and the second expansion sleeve 32 is provided with an air port 371 communicated with the hollow structure. With the above arrangement, in the initial state, the second driving shaft 36 is in an extended state, the second expansion sleeve 32 is driven by the driving assembly 4 to be inserted into the water outlet 212 of the press shell 210, the second driving shaft 36 is retracted to a preset position, and the second expansion sleeve 32 is driven by the second expansion disc 37 to expand, so as to be blocked at the water outlet 212 of the press shell 210.

Specifically, referring to fig. 9, a disc seat 361 coaxially disposed with the second driving shaft 36 is coaxially disposed at a side end of the second driving shaft 36, and the air pipe joint 38 is connected to the disc seat 361, so as to facilitate installation of the air pipe joint 38.

Specifically, referring to fig. 6, the side end of the second mounting plate 34 is further provided with an avoidance notch 341, and the air pipe joint 38 moves along the avoidance notch 341 along with the movement of the second driving shaft 36.

Specifically, referring to fig. 2, the compression assembly 1 includes a compression cylinder 11 disposed at an upper end of the working table 100, a pressing block 12 connected to a driving end of the compression cylinder 11, and a pressing rod 13 connected to the pressing block 12, where the pressing rod 13 is perpendicular to the working table 100 and is located above the water pump 200 to be tested.

Preferably, the first and second expansion shells 22, 32 are rubber shells.

In this embodiment, a detection sensor for detecting whether the water pump 200 to be tested is present on the placement base 300 is further provided on the side of the placement base 300 on the workbench 100; an air supply pipe for supplying air and an air tightness sensor for detecting air tightness are connected to the air pipe fitting 38.

The utility model uses the principle that: placing the water pump 200 to be tested in a placing groove 320 in the placing seat 300, driving a compression rod 13 to compress the water pump by a compression cylinder 11, inserting a first expansion sleeve 22 into a water inlet 211 of the pressure shell 210 by a first driving shaft 26, and positioning a second expansion sleeve 32 beside a water outlet 212 of the pressure shell 210; pressing the pressing rod 13 on the upper end cover of the water pump 200 to be tested through the pressing cylinder 11, and inserting the second expansion sleeve 32 into the water outlet 212 of the pressing shell 210 through the driving of the driving assembly 4; at this time, the first driving shaft 26 is retracted to a preset position, and the first expansion sleeve 22 is driven to expand (i.e. the outer diameter is increased) by the first expansion disc 27 so as to block the water inlet 211 of the pressure shell 210, and meanwhile, the second driving shaft 36 is retracted to a preset position, and the second expansion sleeve 32 is driven to expand (i.e. the outer diameter is increased) by the second expansion disc 37 so as to block the water outlet 212 of the pressure shell 210; the gas is supplied through the gas supply pipe to the gas pipe joint 38, passed through the press case 210, 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 (10)

1. The utility model provides an electronic water pump gas tightness detection device, includes workstation (100), its characterized in that is equipped with on workstation (100):

a placing seat (300) for placing a water pump (200) to be tested, wherein the water pump (200) to be tested comprises a pressing shell (210) which is supported on the placing seat (300) and is provided with a water inlet (211) and a water outlet (212);

the compression assembly (1) is used for compressing the water pump (200) to be tested on the placement seat (300);

the water inlet plugging assembly (2), the water inlet plugging assembly (2) comprises a first expansion cylinder (21) and a first expansion sleeve (22) connected with the first expansion cylinder (21), the first expansion sleeve (22) can be driven to expand by the first expansion cylinder (21) so as to plug the water inlet (211), and the placing seat (300) is provided with a through hole (310) for the first expansion sleeve (22) to penetrate through and penetrate through the workbench (100);

the water outlet plugging assembly (3), the water outlet plugging assembly (3) comprises a second expansion cylinder (31) and a second expansion sleeve (32) connected with the second expansion cylinder (31), and the second expansion sleeve (32) is communicated with a test medium inlet (33);

the driving assembly (4), the driving assembly (4) can drive the water outlet plugging assembly (3) to move along the workbench (100) so that the second expansion sleeve (32) enters the water outlet (212), and the second expansion sleeve (32) can be driven to expand through the first expansion cylinder (21) so as to plug the water outlet (212).

2. The electronic water pump air tightness detection device according to claim 1, wherein a placement groove (320) is formed at the upper end of the placement seat (300), and the shape of the placement groove (320) is adapted to the shape of the press shell (210).

3. The electronic water pump air tightness detection device according to claim 1, wherein the first expansion cylinder (21) is connected with a mounting seat (23) and is connected to the bottom end of the workbench (100) through the mounting seat (23), the water inlet plugging assembly (2) further comprises a first mounting disc (24) connected to the mounting seat (23), a first convex disc (25) is arranged at the center of the first mounting disc (24), a first through cavity (28) is arranged between the first mounting disc (24) and the first convex disc (25), the first expansion cylinder (21) is connected with a first driving shaft (26) penetrating through the first through cavity (28), one end of the first driving shaft (26) penetrates through the mounting seat (23) and the first through cavity (28) and is provided with a first expansion disc (27), and the first expansion sleeve (22) is sleeved on the first driving shaft (27) and is positioned between the first expansion disc (27) and the first convex disc (25), and the first expansion sleeve (27) is larger than the first expansion disc (22).

4. An electronic water pump air tightness detection device according to claim 3, characterized in that the first driving shaft (26) is of solid construction.

5. The electronic water pump air tightness detection device according to claim 1, wherein the driving assembly (4) comprises a sliding rail (41) and a driving air cylinder (42) which are arranged at the upper end of the workbench (100), the sliding rail (41) is slidably connected with a mounting plate (43), the second expansion air cylinder (31) is connected with the mounting plate (43), and the driving end of the driving air cylinder (42) is connected with the mounting plate (43).

6. The electronic water pump air tightness detection device according to claim 5, wherein the water outlet plugging component (3) further comprises a second mounting plate (34) connected to the mounting plate (43), the second mounting plate (34) is provided with a second convex plate (35), the second mounting plate (34) and the second convex plate (35) are provided with a second through cavity (39), the second expansion cylinder (31) is connected with a second driving shaft (36) penetrating through the second through cavity (39), one end of the second driving shaft (36) penetrates through the mounting plate (43), the second through cavity (39) and is provided with a second expansion plate (37), the second expansion sleeve (32) is sleeved on the second driving shaft (36) and is positioned between the second expansion plate (37) and the second convex plate (35), the diameter of the second expansion plate (37) is larger than the inner diameter of the second expansion sleeve (32), the second driving shaft (36) is of a hollow structure, one end of the second driving shaft (36) penetrates through the mounting plate (43), the second through cavity (39) and is provided with a second expansion plate (37), and the second air inlet (37) is communicated with the hollow structure (371).

7. The electronic water pump air tightness detection device according to claim 6, wherein a disc seat (361) coaxially arranged with the second driving shaft (36) is coaxially arranged at the side end of the second driving shaft (36), and the air pipe joint (38) is connected to the disc seat (361).

8. The electronic water pump air tightness detection device according to claim 6, wherein an avoidance notch (341) is further formed at a side end of the second mounting plate (34), and the air pipe connector (38) moves along the avoidance notch (341) along with the movement of the second driving shaft (36).

9. The electronic water pump air tightness detection device according to claim 1, wherein the compression assembly (1) comprises a compression cylinder (11) arranged at the upper end of the workbench (100), a pressing block (12) connected with the driving end of the compression cylinder (11) and a pressing rod (13) connected with the pressing block (12), and the pressing rod (13) is perpendicular to the workbench (100) and is located above the water pump (200) to be tested.

10. The electronic water pump air tightness detection device according to claim 1, wherein the first expansion sleeve (22) and the second expansion sleeve (32) are rubber sleeves.