CN219865440U

CN219865440U - Water passing mechanism for detecting performance of electronic water pump

Info

Publication number: CN219865440U
Application number: CN202320866897.0U
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: 2023-10-20
Anticipated expiration: 2033-04-18

Abstract

The utility model relates to a water passing mechanism for detecting the performance of an electronic water pump. The utility model comprises an expansion assembly, wherein the expansion assembly comprises a base body, a piston, an expansion sleeve and a pipeline, a through hole is formed in the base body, the pipeline is connected to one axial end of the through hole, a mounting cavity is formed in the other axial end of the through hole in an extending mode, a limiting ring plate is arranged in the mounting cavity, the expansion sleeve is arranged in the mounting cavity and is positioned between the piston and the limiting ring plate, and the piston is of a hollow structure and is connected to the through hole in a sliding mode; the driving assembly is used for driving the expansion assembly to move so that a shell pressing water inlet pipe and/or a shell pressing water outlet pipe of the electronic water pump extend into the mounting cavity; the expansion sleeve can be driven by the piston to expand and is sleeved on the pressing shell water inlet pipe and/or the pressing shell water outlet pipe. The utility model can ensure the tightness of the electronic water pump shell water inlet pipe and the electronic water pump shell water outlet pipe in the test process, is convenient for introducing test water and improves the detection efficiency.

Description

Water passing mechanism for detecting performance of electronic water pump

Technical Field

The utility model relates to the technical field of water pump detection, in particular to a water passing mechanism for detecting the performance of an electronic water pump.

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.

As shown in fig. 1, after the electronic water pump is assembled, it is necessary to perform comprehensive performance detection on the electronic water pump to determine whether the electronic water pump reaches the design condition and whether various performance parameters reach the requirements. In the water pump performance test, water needs to be introduced into the pressure shell water inlet pipe 110 of the electronic water pump 100 and flows out from the pressure shell water outlet pipe 120.

The existing water-through process of detecting, in order to guarantee the leak tightness of the water inlet and outlet pipes, the structure of the testing mechanism is set up more complicated, and the operation is complex, so that the detection efficiency is lower.

Disclosure of Invention

Therefore, the utility model provides the water-through mechanism for detecting the performance of the electronic water pump, which can automatically, quickly and accurately detect the performance of the electronic water pump.

In order to solve the technical problems, the utility model provides a water passing mechanism for detecting the performance of an electronic water pump, which comprises:

the expansion assembly comprises a base body, a piston, an expansion sleeve and a pipeline, wherein a through hole is formed in the base body, the pipeline is connected to one axial end of the through hole, an installation cavity is formed in the other axial end of the through hole in an extending mode, a limiting ring plate is arranged in the installation cavity, the expansion sleeve is installed in the installation cavity and located between the piston and the limiting ring plate, and the piston is of a hollow structure and is connected to the through hole in a sliding mode;

the driving assembly is used for driving the expansion assembly to move so that a pressure shell water inlet pipe and/or a pressure shell water outlet pipe of the electronic water pump extend into the mounting cavity;

the expansion sleeve can be driven by the piston to expand and is sleeved on the pressing shell water inlet pipe and/or the pressing shell water outlet pipe.

In one embodiment of the utility model, the through hole is radially extended with a driving cavity, and a driving plate connected in the driving cavity in a sliding way is radially extended along the piston.

In one embodiment of the utility model, an air inlet and an air extraction opening which are communicated with the driving cavity are connected to the outer side of the seat body.

In one embodiment of the utility model, the pipe is screwed to an axial end of the through hole.

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

In one embodiment of the utility model, the inner diameter of the expansion sleeve is larger than the outer diameter of the shell inlet pipe and/or the shell outlet pipe.

In one embodiment of the utility model, the inner diameter of the piston is greater than the inner diameter of the expansion sleeve.

In one embodiment of the utility model, the drive assembly comprises a cylinder.

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

according to the water passing mechanism for detecting the performance of the electronic water pump, the tightness of the positions of the electronic water pump shell water inlet pipe and the shell pressing water outlet pipe in the testing process can be guaranteed through the expansion assembly, test water is conveniently passed in, 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.

Fig. 2 is a schematic diagram of the structure of the water-passing mechanism for detecting the performance of the electronic water pump.

Fig. 3 is a schematic front view of the base of the present utility model.

Fig. 4 is an isometric view of the structure taken along section A-A of fig. 3.

Fig. 5 is a schematic front view of the inventive expansion assembly.

Fig. 6 is an isometric view of the structure taken along section B-B of fig. 5.

Figure 7 is an isometric cross-sectional schematic view of the inventive expansion assembly.

Description of the specification reference numerals:

100. an electronic water pump; 110. a shell pressing water inlet pipe; 120. a shell pressing water outlet pipe;

1. an expansion assembly; 11. a base; 111. a through hole; 112. a drive chamber; 113. a mounting cavity; 114. a limiting ring plate; 13. a piston; 131. a driving plate; 14. an expansion sleeve; 15. an air inlet; 16. an extraction opening; 17. a pipe;

2. and a drive assembly.

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. 2 to 7, a water passage mechanism for detecting performance of an electronic water pump according to the present utility model includes:

the expansion assembly 1, the expansion assembly 1 comprises a base 11, a piston 13, an expansion sleeve 14 and a pipeline 17, wherein a through hole 111 is formed in the base 11, the pipeline 17 is connected to one axial end of the through hole 111, a mounting cavity 113 is formed in the other axial end of the through hole 111 in an extending mode, a limiting ring plate 114 is arranged in the mounting cavity 113, the expansion sleeve 14 is mounted in the mounting cavity 113 and located between the piston 13 and the limiting ring plate 114, and the piston 13 is of a hollow structure and is connected to the through hole 111 in a sliding mode;

the driving assembly 2 is used for driving the expansion assembly 1 to move so that the shell pressing water inlet pipe 110 and/or the shell pressing water outlet pipe 120 of the electronic water pump 100 extend into the mounting cavity 113;

the expansion sleeve 14 can be driven by the piston 13 to expand and sleeve the pressure shell water inlet pipe 110 and/or the pressure shell water outlet pipe 120.

Specifically, the through hole 111 extends radially with a driving cavity 112, and a driving plate 131 slidably connected to the driving cavity 112 extends radially along the piston 13.

Specifically, an air inlet 15 and an air extraction opening 16 which are communicated with the driving cavity 112 are connected to the outer side of the seat body 11.

Specifically, the pipe 17 is screwed to one axial end of the through hole 111.

Specifically, the expansion sleeve 14 is a rubber sleeve; the inner diameter of the expansion sleeve 14 is larger than the outer diameter of the shell water inlet pipe 110 and/or the shell water outlet pipe 120; the inner diameter of the piston 13 is larger than the inner diameter of the expansion sleeve 14.

Specifically, the drive assembly 2 comprises a cylinder.

The utility model uses the principle that: fixing the electronic water pump 100, arranging a water passing mechanism on one side of each of the pressure shell water inlet pipe 110 and the pressure shell water outlet pipe 120, wherein the pressure shell water inlet pipe 110 and the pressure shell water outlet pipe 120 are parallel to the horizontal plane, driving the seat body 11 to advance towards the direction close to the pressure shell water inlet pipe 110 through the driving component 2, so that the pressure shell water inlet pipe 110 partially stretches into the mounting cavity 113, at the moment, the air inlet 15 is used for introducing air, driving the piston 13 to move and extrude the expansion sleeve 14 in the mounting cavity 113, limiting the expansion sleeve by the limiting ring plate 114, and sleeving the expansion sleeve 14 on the outer diameter of the water inlet pipe through the elastic deformation (namely, the inner diameter is reduced) of the radial expansion of the expansion sleeve 14; similarly, the outer diameter of the water outlet pipe is also sleeved with the expansion sleeve 14, water is introduced into the pipeline 17 at one side of the pressure shell water inlet pipe 110, and flows out of the pipeline 17 at one side of the pressure shell water outlet pipe 120, the electronic water pump 100 is started, whether the tested electronic water pump 100 is normal or not is judged, and meanwhile, the running state of the electronic water pump 100 is monitored through the control port.

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. A water passing mechanism for detecting the performance of an electronic water pump comprises:

the expansion assembly (1), expansion assembly (1) includes pedestal (11), piston (13), expansion sleeve (14) and pipeline (17), be equipped with through-hole (111) in pedestal (11), pipeline (17) connect in through-hole (111) axial one end, through-hole (111) axial other end extends there is installation cavity (113), installation cavity (113) are equipped with spacing ring plate (114), expansion sleeve (14) install in installation cavity (113) and be located between piston (13) and spacing ring plate (114), piston (13) be hollow structure and sliding connection in through-hole (111);

the driving assembly (2) is used for driving the expansion assembly (1) to move so that a shell pressing water inlet pipe (110) and/or a shell pressing water outlet pipe (120) of the electronic water pump (100) extend into the mounting cavity (113);

the expansion sleeve (14) can be driven by the piston (13) to expand and sleeve the pressure shell water inlet pipe (110) and/or the pressure shell water outlet pipe (120).

2. The water passing mechanism for detecting the performance of the electronic water pump according to claim 1, wherein the through hole (111) is radially extended with a driving cavity (112), and a driving plate (131) which is slidably connected in the driving cavity (112) is radially extended along the piston (13).

3. The water passing mechanism for detecting the performance of the electronic water pump according to claim 2, wherein an air inlet (15) and an air extraction opening (16) which are communicated with the driving cavity (112) are connected to the outer side of the base body (11).

4. The water passing mechanism for detecting the performance of the electronic water pump according to claim 1, wherein the pipe (17) is screwed to one axial end of the through hole (111).

5. The water passing mechanism for detecting the performance of an electronic water pump according to claim 1, wherein the expansion sleeve (14) is a rubber sleeve.

6. The water passing mechanism for detecting the performance of the electronic water pump according to claim 1, wherein the inner diameter of the expansion sleeve (14) is larger than the outer diameter of the pressure shell water inlet pipe (110) and/or the pressure shell water outlet pipe (120).

7. The water passing mechanism for detecting the performance of the electronic water pump according to claim 1, wherein the inner diameter of the piston (13) is larger than the inner diameter of the expansion sleeve (14).

8. A water passage mechanism for detecting performance of an electronic water pump according to claim 1, wherein said driving unit (2) comprises a cylinder.