Double-loop automobile water pump air tightness test equipment
By designing multi-specification pipe adaptation mechanisms and auxiliary testing mechanisms, the problem of low efficiency in airtightness testing of different types of water pumps was solved, achieving efficient and convenient airtightness testing.
Patent Information
- Application Number
- CN202520270323.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-02-20
AI Technical Summary
Existing airtightness tester connectors can only fit the end pipes of water pumps of the same specifications, making it difficult to adapt to different models of water pumps, resulting in low testing efficiency.
An airtightness testing device was designed, which includes a multi-specification pipe adaptation mechanism and an auxiliary testing mechanism. It achieves a sealed connection of water pump pipes of different specifications through magnetic blocks and annular rubber bladders. Combined with casters and a lifting frame, it facilitates the use of the device in different environments.
It enables efficient airtightness testing of different models of water pumps, improving testing efficiency and convenience, and reducing the frequency of connector replacement.
Smart Images
Figure CN223664211U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of double-loop automobile water pump air tightness test equipment, belong to automobile water pump quality inspection technical field. BACKGROUND
[0002] Double-loop automobile water pump refers to the water pump system with two independent circuits, each circuit is responsible for different cooling liquid flow path, to realize the independent control to different parts of engine. This design can improve the efficiency and reliability of cooling system. Double-loop automobile water pump needs to test its air tightness during maintenance, when testing, the joint of air tightness tester is connected to the end of water pump, then a certain amount of gas is transported into water pump, and then the air pressure inside water pump is observed to determine whether the air tightness is qualified.
[0003] The joint of existing air tightness tester can only fit the same specification pump end pipeline, the size of the end pipeline of different models of water pump is different, and the joint of air tightness tester needs to be replaced frequently when testing the air tightness of different models of water pump, thereby affecting the efficiency of air tightness test work. UTILITY MODEL CONTENT
[0004] Based on the above background, the purpose of the utility model is to provide a kind of double-loop automobile water pump air tightness test equipment, to solve the problems in the background art.
[0005] In order to achieve the above utility model purpose, the utility model provides the following technical scheme:
[0006] A kind of double-loop automobile water pump air tightness test equipment, including mobile workstation and air tightness tester main body, the top of air tightness tester main body is fixedly connected with test pipe, the top of mobile workstation is provided with multi-specification pipeline adaptation mechanism, auxiliary test mechanism is provided on mobile workstation.
[0007] The multi-specification pipeline adaptation mechanism includes support leg, the support leg is fixedly installed on the top of mobile workstation, the top of support leg is fixedly installed with support ring, the inner wall of support ring close to top is fixedly installed with magnetic block, the top of support ring is movably inserted with No. The top of hollow sleeve of magnetic block is magnetically connected with the bottom of No. Hollow sleeve, the top of No. Hollow sleeve is fixedly installed with No. 2 hollow sleeve, the end of test pipe away from air tightness tester main body is fixedly connected to the top of No. 2 hollow sleeve.
[0008] As preferred, the inside of No. 1 hollow sleeve and No. 2 hollow sleeve is provided with annular cavity, the inner wall of No. 1 hollow sleeve and No. 2 hollow sleeve is provided with through hole, the inner surface of No. 1 hollow sleeve and No. 2 hollow sleeve is fixedly connected with annular rubber capsule.
[0009] As preferred, a handle is fixedly installed on the outer wall of the second hollow sleeve, a collecting pipe is fixedly connected to the outer wall of the first hollow sleeve and the second hollow sleeve, a valve is fixedly connected to the side of the collecting pipe, and a spherical rubber capsule is fixedly connected to the end of the valve away from the collecting pipe.
[0010] As preferred, the auxiliary testing mechanism comprises a counterweight seat, a universal wheel is fixedly installed on the bottom of the counterweight seat, a vertical rod is fixedly installed on the top of the counterweight seat, a support frame is fixedly installed on the top of the vertical rod, and a lifting frame is movably connected to the inner wall of the support frame.
[0011] As preferred, the lifting frame is fixedly installed on the bottom of the mobile workbench, a positioning bolt is threadedly connected to the back of the support frame, and the threaded end of the positioning bolt is movably connected to the back of the lifting frame.
[0012] As preferred, the auxiliary testing mechanism further comprises a movable block, the movable block is fixedly installed on the top of the mobile workbench, a rubber buffer pad is fixedly installed on the top of the movable block, a connecting block is fixedly installed on the top of the rubber buffer pad, a ferrous alloy pad is fixedly installed on the bottom of the inner wall of the connecting block, a fitting block is movably inserted into the inner cavity of the connecting block, and a permanent magnet block is fixedly installed on the inner wall of the fitting block.
[0013] As preferred, the bottom of the permanent magnet block is magnetically connected to the top of the ferrous alloy pad, the fitting block is fixedly installed on the bottom of the buffer support table, and the air tightness tester main body is fixedly installed on the top of the buffer support table.
[0014] Compared with the prior art, the utility model has the following advantages:
[0015] Through the overall design of the multi-specification pipeline adapting mechanism, the first hollow sleeve and the second hollow sleeve can be sleeved on the pipeline to be tested of the water pump, then the valve is opened, the spherical rubber capsule is manually squeezed, the spherical rubber capsule generates elastic deformation, the air in the spherical rubber capsule passes through the valve, the collecting pipe, the annular cavity and the through hole into the inner cavity of the annular rubber capsule, the annular rubber capsule generates elastic deformation, the surface of the annular rubber capsule is tightly attached to the outer wall of the pipeline to be tested, the function of sealing the pipeline to be tested is realized, the problem that the operator needs to frequently replace the connector when testing different specifications of water pumps is avoided, the overall efficiency of the testing work is improved, and through the overall design of the auxiliary testing mechanism, the structure is convenient and flexible for the operator to use. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description only constitute the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of the provided drawings.
[0017] Figure 1 It is a three-dimensional structure schematic diagram of the present application;
[0018] Figure 2 It is a structure schematic diagram of the first hollow sleeve being detached from the support ring of the present application;
[0019] Figure 3 It is an internal structure schematic diagram of the annular cavity of the present application;
[0020] Figure 4 It is a structure schematic diagram of the bottom assembly of the mobile workbench of the present application;
[0021] Figure 5 It is a connection structure schematic diagram of the mobile workbench and the buffer support table of the present application.
[0022] In the figure: 1, mobile workbench; 11, air tightness tester main body; 12, test tube; 2, multi-specification pipeline adapting mechanism; 21, support leg; 22, support ring; 23, magnetic attraction block; 24, first hollow sleeve; 25, second hollow sleeve; 251, annular cavity; 252, through hole; 253, annular rubber capsule; 26, handle; 27, manifold; 28, valve; 29, spherical rubber capsule; 3, auxiliary test mechanism; 31, counterweight seat; 32, universal wheel; 33, vertical rod; 34, support frame; 35, positioning bolt; 36, lifting frame; 37, buffer support table; 371, movable block; 372, rubber buffer pad; 373, connecting block; 374, ferrous alloy pad; 375, fitting block; 376, permanent magnet block. DETAILED DESCRIPTION
[0023] The technical solutions of the present application will be further specifically described below by specific embodiments and in combination with the drawings. It should be understood that the implementation of the present application is not limited to the following embodiments, and any form of modification and / or change of the present application will fall within the scope of protection of the present application.
[0024] In the utility model, if not specified, all the parts, percentage is weight unit, the equipment and raw material etc. that adopts can be bought from market or is common in the art. The method in the following embodiment, if no special instructions, are the conventional method in the art. The components or equipment in the following embodiment if no special instructions, are general standard parts or the components that the person skilled in the art knows, and its structure and principle are that the person skilled in the art can know through technical manual or be known through conventional experimental method.
[0025] The embodiments of the utility model are described in detail below in combination with the drawings, and in the following detailed description, for the convenience of explanation, many specific details are set forth to provide a comprehensive understanding of the embodiments of the utility model. However, one or more embodiments can be implemented by the person skilled in the art without these specific details.
[0026] As Figures 1-5 The utility model discloses a double circuit automobile water pump air tightness test equipment, including mobile workstation 1 and air tightness tester main body 11, the top of air tightness tester main body 11 is fixedly connected with test pipe 12, and the top of mobile workstation 1 is provided with multi-specification pipeline adaptation mechanism 2, and mobile workstation 1 is provided with auxiliary test mechanism 3, and multi-specification pipeline adaptation mechanism 2 includes support leg 21, and support leg 21 is fixedly installed on the top of mobile workstation 1, and the top of support leg 21 is fixedly installed with support ring 22, and support ring 22 is fixedly installed with magnetic block 23 on the inner wall close to the top, and support ring 22 is movably inserted with no. Hollow sleeve 24 is fixedly installed on the top of magnetic block 23 and the bottom of no. Hollow sleeve 24 is magnetically connected, and no. Hollow sleeve 24 is fixedly installed with no. 2 hollow sleeve 25, and the end away from air tightness tester main body 11 of test pipe 12 is fixedly connected on the top of no. 2 hollow sleeve 25, through the cooperation of support leg 21, support ring 22 and magnetic block 23, the whole no. Hollow sleeve 24 and no. 2 hollow sleeve 25 can be stored when idle on the top of mobile workstation 1, and the material of no. Hollow sleeve 24 is ferroalloy, when idle, no. Hollow sleeve 24 is inserted on the top of support ring 22, at this moment, magnetic block 23 can magnetically attract no. Hollow sleeve 24, that is, the function of storing the whole no. Hollow sleeve 24 is completed.
[0027] In the embodiment, the first hollow sleeve 24 and the second hollow sleeve 25 are provided with annular cavities 251, the inner walls of the first hollow sleeve 24 and the second hollow sleeve 25 are provided with through holes 252, the inner surfaces of the first hollow sleeve 24 and the second hollow sleeve 25 are fixedly connected with annular rubber capsules 253, the outer wall of the second hollow sleeve 25 is fixedly connected with a handle 26, the outer walls of the first hollow sleeve 24 and the second hollow sleeve 25 are fixedly connected with a collecting pipe 27, the side surface of the collecting pipe 27 is fixedly connected with a valve 28, the end of the valve 28 away from the collecting pipe 27 is fixedly connected with a spherical rubber capsule 29, the specifications of the first hollow sleeve 24 and the second hollow sleeve 25 are the same, when the end of the test pipe 12 is connected with the pipeline of the water pump to be tested, the first hollow sleeve 24 and the second hollow sleeve 25 are sleeved on the test pipeline of the water pump, then the valve 28 is opened, and then the spherical rubber capsule 29 is manually extruded, so that the spherical rubber capsule 29 is elastically deformed to shrink, the air in the spherical rubber capsule 29 passes through the valve 28 and the collecting pipe 27 into the annular cavities 251 in the first hollow sleeve 24 and the second hollow sleeve 25, and then the air passes through the through holes 252 into the inner cavities of the annular rubber capsules 253, so that the annular rubber capsules 253 are elastically deformed to expand, and the surfaces of the annular rubber capsules 253 are tightly attached to the outer wall of the test pipeline, at this time, the sealing connection of the outer wall of the pipeline and the end of the test pipe 12 is completed, then the valve 28 is closed, and then the air tightness detection work can be performed.
[0028] In the embodiment, the auxiliary test mechanism 3 comprises a counterweight seat 31, the bottom of the counterweight seat 31 is fixedly connected with universal wheels 32, the top of the counterweight seat 31 is fixedly connected with a vertical rod 33, the top of the vertical rod 33 is fixedly connected with a support frame 34, the inner wall of the support frame 34 is movably connected with a lifting frame 36, the lifting frame 36 is fixedly connected to the bottom of the mobile workbench 1, the back of the support frame 34 is screwedly connected with a positioning bolt 35, the threaded end of the positioning bolt 35 is movably connected with the back of the lifting frame 36, if the water pump has been installed on the vehicle and is inconvenient to disassemble and test, the universal wheels 32 can be designed to push the structure to move to the vicinity of the water pump, so that the air tightness test work can be conveniently performed, the positioning bolt 35 is loosened to move the end away from the outer wall of the lifting frame 36, then the lifting frame 36 can be adjusted on the inner wall of the support frame 34, after adjustment, the positioning bolt 35 is tightened, so that the height of the mobile workbench 1 and the air tightness tester main body 11 can be adjusted, and the air tightness tester main body 11 can be conveniently used in different environments.
[0029] In the embodiment, the auxiliary test mechanism 3 further comprises a movable block 371 fixedly installed on the top of the moving workbench 1, a rubber buffer pad 372 fixedly installed on the top of the movable block 371, a connecting block 373 fixedly installed on the top of the rubber buffer pad 372, an iron alloy pad 374 fixedly installed on the bottom of the inner wall of the connecting block 373, a fitting block 375 movably inserted into the inner cavity of the connecting block 373, a permanent magnet block 376 fixedly installed on the inner wall of the fitting block 375, and the bottom of the permanent magnet block 376 is magnetically connected with the top of the iron alloy pad 374, the fitting block 375 is fixedly installed on the bottom of the buffer support table 37, and the air tightness tester main body 11 is fixedly installed on the top of the buffer support table 37. Through the design of the rubber buffer pad 372, in the turnover process, when the moving workbench 1 vibrates, the rubber buffer pad 372 can produce elastic deformation to absorb the vibration to a certain extent, thereby increasing the safety and stability of the air tightness tester main body 11. The movable block 371 is installed on the moving workbench 1 through bolts, and the rubber buffer pad 372 is installed on the moving workbench 1 through the movable block 371. The damaged rubber buffer pad 372 can be replaced by disassembling the movable block 371, thereby guaranteeing the buffering effect. The buffer support table 37 is pulled away from the moving workbench 1, and then the buffer support table 37 can be disassembled, so that the buffer support table 37 and the air tightness tester main body 11 on the top of the buffer support table 37 can be disassembled and used, thereby increasing the flexibility during use. When the buffer support table 37 is reset and installed, the fitting block 375 below the buffer support table 37 is inserted into the connecting block 373, so that the iron alloy pad 374 magnetically attracts the permanent magnet block 376, and the reset processing of the buffer support table 37 is completed.
[0030] The working principle of the double-circuit automobile water pump air tightness test equipment is as follows: in use, the first hollow sleeve 24 is pulled out from the top of the supporting leg 21, the first hollow sleeve 24 and the second hollow sleeve 25 are sleeved on the pipeline to be tested of the water pump, then the valve 28 is opened, and then the spherical rubber capsule 29 is manually extruded, so that the spherical rubber capsule 29 is contracted, the air in the spherical rubber capsule 29 passes through the valve 28 and the collecting pipe 27 and enters the annular cavity 251 in the first hollow sleeve 24 and the second hollow sleeve 25, then the air passes through the through hole 252 and enters the inner cavity of the annular rubber capsule 253, pushes the annular rubber capsule 253 to produce elastic deformation, and makes the surface of the annular rubber capsule 253 tightly adhere to the outer wall of the pipeline to be tested. At this time, the sealing connection of the outer wall of the pipeline and the end of the test pipe 12 is completed, and then the valve 28 is closed. After the two water outlet ends or water inlet ends of the water pump are sealingly connected with the test pipe 12, the other two ends of the water pump are manually plugged and sealed, then a certain amount of gas is delivered into the water pump through the working of the air tightness tester main body 11, and then whether the air tightness is qualified is judged by observing whether the air pressure in the water pump changes.
[0031] The principle and implementation mode of the present application are described by using specific examples in the present application, and the above examples are only used for helping to understand the method and core idea of the present application. It should be pointed out that, for ordinary skilled persons in the technical field, some improvements and modifications can be made to the present application without departing from the principle of the present application, and these improvements and modifications also fall within the protection scope of the present application.
Claims
1. A double-circuit automobile water pump air tightness test equipment, comprising a mobile workbench (1) and an air tightness tester main body (11), the top of the air tightness tester main body (11) is fixedly connected with a test pipe (12), characterized in that: The top of the mobile workbench (1) is provided with a multi-specification pipe adapter mechanism (2), and the mobile workbench (1) is provided with an auxiliary testing mechanism (3); The multi-specification pipe adapter mechanism (2) includes a support leg (21), which is fixedly installed on the top of the mobile workbench (1). A support ring (22) is fixedly installed on the top of the support leg (21). A magnetic block (23) is fixedly installed on the inner wall of the support ring (22) near the top. A first hollow sleeve (24) is movably inserted into the top of the support ring (22). The top of the magnetic block (23) is magnetically connected to the bottom of the first hollow sleeve (24). A second hollow sleeve (25) is fixedly installed on the top of the first hollow sleeve (24). The end of the test tube (12) away from the airtightness tester body (11) is fixedly connected to the top of the second hollow sleeve (25).
2. The dual circuit automotive water pump air tightness testing apparatus of claim 1, wherein: Both the first hollow sleeve (24) and the second hollow sleeve (25) have annular cavities (251) inside. Both the first hollow sleeve (24) and the second hollow sleeve (25) have through holes (252) on their inner walls. Both the first hollow sleeve (24) and the second hollow sleeve (25) have annular rubber bladders (253) fixedly connected to their inner surfaces.
3. The dual-loop automotive water pump air tightness testing device according to claim 1, characterized in that: A handle (26) is fixedly installed on the outer wall of the second hollow sleeve (25). A manifold (27) is fixedly connected to the outer wall of the first hollow sleeve (24) and the second hollow sleeve (25). A valve (28) is fixedly connected to the side of the manifold (27). A spherical rubber bladder (29) is fixedly connected to the end of the valve (28) away from the manifold (27).
4. The dual-loop automotive water pump air tightness testing device according to claim 1, characterized in that: The auxiliary testing mechanism (3) includes a counterweight seat (31), with casters (32) fixedly installed at the bottom of the counterweight seat (31), a pole (33) fixedly installed at the top of the counterweight seat (31), a support frame (34) fixedly installed at the top of the pole (33), and a lifting frame (36) movably connected to the inner wall of the support frame (34).
5. The dual-loop automotive water pump air tightness testing device according to claim 4, characterized in that: The lifting frame (36) is fixedly installed at the bottom of the mobile workbench (1), and the back of the support frame (34) is threaded with a positioning bolt (35), the threaded end of the positioning bolt (35) being movably connected to the back of the lifting frame (36).
6. The dual-loop automotive water pump air tightness testing device according to claim 1, characterized in that: The auxiliary testing mechanism (3) also includes a movable block (371), which is fixedly installed on the top of the movable workbench (1). A rubber buffer pad (372) is fixedly installed on the top of the movable block (371), and a connecting block (373) is fixedly installed on the top of the rubber buffer pad (372). An iron alloy pad (374) is fixedly installed on the bottom of the inner wall of the connecting block (373). A fitting block (375) is movably inserted into the inner cavity of the connecting block (373), and a permanent magnet block (376) is fixedly installed on the inner wall of the fitting block (375).
7. The dual-loop automotive water pump air tightness testing device according to claim 6, characterized in that: The bottom of the permanent magnet block (376) is magnetically connected to the top of the iron alloy pad (374), the mating block (375) is fixedly installed at the bottom of the buffer support platform (37), and the airtightness tester body (11) is fixedly installed at the top of the buffer support platform (37).