Adjustable automobile engine water pump easy to install

By using the screw connection between the outer disc and the engine housing and the internal adjusting rod limiting block structure, the problem of unstable water pump fixation is solved, achieving stable installation and self-adjustment, thus improving service life and transmission smoothness.

CN224064434UActive Publication Date: 2026-03-31HUZHOU MEITA LITAI NEW AUTO PARTS MANUFACTURING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

The current method of fixing car engine water pumps is unstable, resulting in a short service life.

Method used

The outer disc is connected to the engine housing with screws, and fixed by screws with external threaded tubes and internal threaded openings. Combined with the fixed sleeve, adjusting rod and limit block structure on the internal rotating shaft, a stable installation and self-adjusting adjustment are achieved.

Benefits of technology

This improves the installation stability and service life of the water pump, while also enhancing the smoothness of the drive disc's transmission and ease of adjustment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of automobile engine water pumps, particularly relates to an easy-to-install adjustable automobile engine water pump, and aims to solve the problems of unstable fixing mode and short service life of the water pump in the background technology, the following scheme is provided: the easy-to-install adjustable automobile engine water pump comprises a pump shell, and an external thread pipe is arranged on the outer wall of one side of the pump shell. The water pump can be directly fixed to a shell of an automobile engine, by means of mutual threaded connection of the external threaded pipe and the internal threaded opening, the structure is firm and not prone to shaking, the stability in the water pump installation process is improved, the service life of the water pump can be effectively prolonged, the adjusting rod can slide along the inner wall of the fixing sleeve, and the service life of the water pump is prolonged. And the adjusting rod can be prevented from being separated from the fixing sleeve through limiting of the multiple limiting blocks, the driving disc can horizontally move by a certain distance, in the actual using process, the conveying belt is connected to the driving disc, the tightness can be adjusted in a self-adaptive mode, the transmission smoothness of the driving disc is improved, and adjustment is convenient.
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Description

Technical Field

[0001] This utility model relates to the field of automotive engine water pump technology, and in particular to an easy-to-install and adjustable automotive engine water pump. Background Technology

[0002] An automotive engine water pump is a device used to draw coolant from the top of the engine block and pump it into the radiator. Driven by a fan belt, it helps maintain a stable internal engine temperature. The main function of the water pump is to pump coolant, causing it to flow rapidly within the engine's coolant circulation channels, thereby carrying away the large amount of heat generated during engine operation and ensuring the engine reaches its normal operating temperature.

[0003] A search revealed a patent (application number: 202123155346.3) that discloses "an easy-to-install car engine water pump". This device can clamp the water pump body through the cooperation of clamping sleeves and supporting springs, and can adaptably fix the fixed shell. However, the device has poor stability during use. The water pump is mainly fixed by two clamping sleeves clamping in the middle. During use, the water pump is prone to shaking and has a short service life. Utility Model Content

[0004] In view of the shortcomings of the prior art, this utility model provides an easy-to-install adjustable car engine water pump, which overcomes the shortcomings of the prior art and effectively solves the problems of unstable water pump fixing method and short service life.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An easy-to-install adjustable automotive engine water pump includes a pump housing, wherein an external threaded pipe is provided on one side of the outer wall of the pump housing, and an outer peripheral plate is provided on one side of the outer wall of the pump housing.

[0007] An impeller is located at the center of the pump casing, and a rotating shaft is welded to the outer wall of one side of the impeller. A fixed sleeve is welded to the outer wall of one end of the rotating shaft, and an adjusting rod is slidably connected to the inner wall of the fixed sleeve. A limiting block is provided at an evenly distributed distance from one end of the outer wall of the adjusting rod, and a drive disc is fixedly connected to the other end of the outer wall of the adjusting rod. The limiting block is slidably connected to the inner wall of the fixed sleeve.

[0008] Preferably, the outer wall of one side of the peripheral disk is fixedly connected to the engine housing by screws, and the outer wall of one side of the engine housing has an internal threaded opening, and the external threaded pipe is screwed onto the inner wall of the internal threaded opening.

[0009] Preferably, a sealing groove is provided on one side of the outer wall of both the engine housing and the pump housing, and a first sealing ring is fitted between the two sealing grooves.

[0010] Preferably, a drain outlet is provided at the bottom of the outer wall of the pump casing, and a water inlet is provided on the inner wall of one end of the internal thread.

[0011] Preferably, an end cap is provided on the outer wall of the other side of the pump casing, and a bearing is provided on one end of the inner wall of the end cap.

[0012] Preferably, a spring is provided on the outer wall of one end of the bearing, and a pressure ring is provided on the outer wall of the spring.

[0013] Preferably, a second sealing ring is provided at the other end of the inner wall of the end cap, and the rotating shaft is rotatably connected to the inner wall of the second sealing ring.

[0014] The beneficial effects of this utility model are as follows:

[0015] 1. This design features an easy-to-install adjustable car engine water pump. Since the outer disc is connected to the engine housing with screws, the water pump can be directly fixed to the car engine housing. Furthermore, the structure is sturdy and not easy to shake due to the mutual screwing of the external threaded pipe and the internal threaded port, which increases the stability of the water pump during installation and can effectively improve the service life of the water pump.

[0016] 2. This design features an easy-to-install adjustable automotive engine water pump. A fixed sleeve is added to the rotating shaft inside the pump housing. The adjusting rod can slide along the inner wall of the fixed sleeve, and multiple limit blocks prevent the adjusting rod from disengaging from the fixed sleeve, allowing the drive disc to move horizontally a certain distance. In actual use, the conveyor belt is connected to the drive disc and can adaptively adjust its tension, improving the smoothness of the drive disc transmission and making adjustment convenient. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of an easy-to-install and adjustable automotive engine water pump proposed in this utility model.

[0018] Figure 2 This is a schematic diagram showing the overall structure of an easy-to-install and adjustable automotive engine water pump proposed in this utility model.

[0019] Figure 3 A schematic diagram of the pump housing connection structure of an easy-to-install and adjustable automotive engine water pump proposed in this utility model. Figure 1 ;

[0020] Figure 4 A schematic diagram of the pump housing connection structure of an easy-to-install and adjustable automotive engine water pump proposed in this utility model. Figure 2 ;

[0021] Figure 5 This is a schematic diagram of the engine housing connection structure of an easily installable and adjustable automotive engine water pump proposed in this utility model.

[0022] Figure 6 This is a schematic diagram of the internal connection structure of the pump casing of an easy-to-install and adjustable automotive engine water pump proposed in this utility model.

[0023] In the diagram: 1. Pump casing; 2. External threaded pipe; 3. Outer disc; 4. Impeller; 5. Rotating shaft; 6. Fixed sleeve; 7. Adjusting rod; 8. Limiting block; 9. Drive disc; 10. Engine casing; 11. Internal threaded port; 12. Sealing groove; 13. First sealing ring; 14. Drain outlet; 15. Inlet; 16. End cover; 17. Bearing; 18. Spring; 19. Pressure ring; 20. Second sealing ring. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0025] Example 1, refer to Figure 4 An easy-to-install adjustable automotive engine water pump includes a pump housing 1, wherein an external threaded pipe 2 is provided on one side of the outer wall of the pump housing 1, and an outer peripheral disc 3 is provided on one side of the outer wall of the pump housing 1.

[0026] In this embodiment, since the outer disc 3 is connected to the engine housing 10 by screws, the water pump can be directly fixed to the car engine housing. Furthermore, the structure is sturdy and not easy to shake due to the mutual screwing of the external threaded tube 2 and the internal threaded port 11, which increases the stability of the water pump during installation and can effectively improve the service life of the water pump.

[0027] Example 2, refer to Figures 3-6 An easy-to-install adjustable automotive engine water pump is provided, wherein an impeller 4 is provided at the center of the pump housing 1, and a rotating shaft 5 is welded to the outer wall of one side of the impeller 4. A fixing sleeve 6 is welded to the outer wall of one end of the rotating shaft 5, and an adjusting rod 7 is slidably connected to the inner wall of the fixing sleeve 6. A limiting block 8 is provided at an evenly distributed distance from one end of the outer wall of the adjusting rod 7, and a drive disc 9 is fixedly connected to the other end of the outer wall of the adjusting rod 7. The limiting block 8 is slidably connected to the inner wall of the fixing sleeve 6.

[0028] In this embodiment, a fixed sleeve 6 is added to the rotating shaft 5 inside the pump housing 1. The adjusting rod 7 can slide along the inner wall of the fixed sleeve 6, and the limiting of multiple limiting blocks 8 can prevent the adjusting rod 7 from disengaging from the fixed sleeve 6, so that the drive disk 9 can move horizontally a certain distance. In actual use, the conveyor belt is connected to the drive disk 9 and can adaptively adjust the tightness, which improves the smoothness of the drive disk 9 transmission and makes adjustment convenient.

[0029] Reference Figure 1 , Figure 2 , Figure 5 The outer wall of the outer peripheral disk 3 is fixedly connected to the engine housing 10 by screws, and the outer wall of the engine housing 10 has an internal threaded opening 11, and the external threaded pipe 2 is screwed onto the inner wall of the internal threaded opening 11.

[0030] Reference Figures 4-5 The engine housing 10 and the pump housing 1 are both provided with sealing grooves 12 on one side of their outer walls, and a first sealing ring 13 is fitted between the two sealing grooves 12.

[0031] Reference Figure 3 , Figure 5 The bottom of the outer wall of the pump casing 1 is provided with a drain port 14, and the inner wall of one end of the internal thread port 11 is provided with a water inlet 15.

[0032] Reference Figure 6 An end cap 16 is provided on the outer wall of the other side of the pump casing 1, and a bearing 17 is provided on one end of the inner wall of the end cap 16.

[0033] Reference Figure 6 A spring 18 is provided on the outer wall of one end of the bearing 17, and a pressure ring 19 is provided on the outer wall of one end of the spring 18.

[0034] Reference Figure 6 The other end of the inner wall of the end cap 16 is provided with a second sealing ring 20, and the rotating shaft 5 is rotatably connected to the inner wall of the second sealing ring 20.

[0035] Working principle: When the water pump is ready to be installed on the car engine, firstly, the first sealing ring 13 is placed in the sealing groove 12 of the engine housing 10. Then, the external threaded tube 2 is aligned with the internal threaded opening 11, and the external threaded tube 2 is screwed onto the inner wall of the internal threaded opening 11, so that the outer disc 3 fits against the outer wall of the engine housing 10 and is fixed with screws. Then, the adjusting rod 7 slides along the inner wall of the fixing sleeve 6, so that the drive disc 9 can move horizontally a certain distance. Then, the conveyor belt is connected to the drive disc 9, and the transmission of the conveyor belt drives the drive disc 9 to rotate, thereby controlling the impeller 4 to rotate, so that the water can enter the pump housing 1 through the inlet 15 and then be discharged from the outlet 14.

[0036] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An easily installed adjustable water pump for automotive engines comprising a pump housing (1), characterized in that, The outer wall of one side of the pump shell (1) is provided with an external thread pipe (2), and the outer wall of one side of the pump shell (1) is provided with a peripheral disc (3); The inner wall of one side of the pump shell (1) is provided with an impeller (4), and the outer wall of one side of the impeller (4) is welded with a rotating shaft (5), one end of the outer wall of the rotating shaft (5) is welded with a fixed sleeve (6), the inner wall of the fixed sleeve (6) is slidably connected with an adjusting rod (7), the outer wall of one end of the adjusting rod (7) is provided with equidistantly distributed limiting blocks (8), the outer wall of the other end of the adjusting rod (7) is fixedly connected with a driving disc (9), and the limiting blocks (8) are slidably connected on the inner wall of the fixed sleeve (6).

2. An easily installable adjustable water pump for automobile engine according to claim 1, wherein The outer wall of one side of the peripheral disc (3) is fixedly connected with an engine shell (10) through screws, the inner wall of one side of the engine shell (10) is provided with an internal thread port (11), and the external thread pipe (2) is screwed on the inner wall of the internal thread port (11).

3. An easily installed adjustable automotive engine water pump according to claim 2, wherein, The outer wall of one side of the engine shell (10) and the pump shell (1) is provided with a sealing groove (12), and the first sealing ring (13) is attached between the two sealing grooves (12).

4. An easily installable adjustable water pump for automobile engine according to claim 1, wherein The outer wall of the bottom of the pump shell (1) is provided with a drain port (14), and the inner wall of one end of the internal thread port (11) is provided with a water inlet (15).

5. The easy-to-install adjustable automotive engine water pump of claim 1, wherein, The outer wall of the other side of the pump shell (1) is provided with an end cover (16), and the inner wall of one end of the end cover (16) is provided with a bearing (17).

6. An easily installable adjustable water pump for automobile engine according to claim 5, wherein The outer wall of one end of the bearing (17) is provided with a spring (18), and the outer wall of one end of the spring (18) is provided with a pressure ring (19).

7. An easily installable adjustable water pump for automobile engine according to claim 5, wherein The inner wall of the other end of the end cover (16) is provided with a second sealing ring (20), and the rotating shaft (5) is rotatably connected on the inner wall of the second sealing ring (20).

Citation Information

Patent Citations

  • Automobile engine water pump easy to install

    CN216342418U