Automobile water pump press-fitting positioning device

By using a press-fit positioning device that combines guide sliders and springs during the water pump manufacturing process, the problem of bearing tilting during press-fitting was solved, achieving precise bearing installation and improving the performance and sealing of the water pump.

CN223762609UActive Publication Date: 2026-01-06QIANHE TIMES (JIANGSU) AUTOMOTIVE TECH CO LTD
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Patent Information

Application Number
CN202520119715.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2026-01-06
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

During the manufacturing process of automotive water pumps, bearings are prone to tilting during press-fitting due to improper tilting design and operation, which can affect the overall performance and sealing of the water pump.

Method used

An automotive water pump press-fit positioning device is adopted, including a base, a support column, a top plate, a hydraulic rod, a guide component, and a press-fit ring. The hydraulic rod drives the lifting plate and the press-fit ring, and the guide slider and spring cooperate to achieve precise guidance and positioning of the bearing and prevent tilting.

Benefits of technology

It effectively prevents the bearing from tilting during the press-fitting process, ensuring accurate bearing installation and improving the overall performance and sealing of the water pump.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of automobile water pump production, in particular to an automobile water pump press-fitting positioning device which comprises a base, a water pump and a bearing, a plurality of supporting columns are arranged on the base, a top plate is arranged on the supporting columns, a first hydraulic rod is arranged on the top plate, and a lifting plate is arranged on the first hydraulic rod. And a guide component and a plurality of second hydraulic rods are arranged on the lifting plate, a press-fitting ring is arranged on the guide component in a sliding mode, a plurality of guide sliding grooves are formed in the guide component, and the bearing can be prevented from inclining in the press-fitting process.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile water pump production, specifically, relate to a kind of automobile water pump press-fitting positioning device. BACKGROUND

[0002] Automobile water pump, as the core component in automobile cooling system, usually is made of high-quality material such as cast iron, stainless steel, with good corrosion resistance and wear resistance, it utilizes fan belt driven bearing and impeller rotation, realizes the reciprocating circulation of coolant, ensure that engine runs in the appropriate temperature range, the scientific and reasonable design of water pump, using advanced fluid dynamics principle, make water flow smooth, pressure uniform, reduce the friction and wear of parts, in the automobile water pump production process, bearing needs to be press-fitted into water pump by press-fitting device.‌

[0003] As China patent publication: a kind of positioning device for water pump impeller press-fitting, application number: CN202020444981.X, including workbench, the workbench is equipped with the placing mechanism for placing pump body, the placing mechanism below is equipped with the placing part for impeller placement, the placing part includes the placing seat arranged on workbench, the placing seat is equipped with the positioning column for impeller positioning;The placing mechanism includes placing plate, the placing plate is equipped with the placing groove for pump body placement, the placing groove is arranged through placing plate;The placing groove is connected with the side surface of placing plate;The placing seat is directly below the placing groove.This utility model discloses a kind of positioning device for water pump impeller press-fitting;The utility model changes the mode that traditional impeller is connected with water pump pump body by the setting of placing mechanism and placing part, the utility model uses water pump pump body movement to be press-fitted with impeller, reduces the stress of impeller, simultaneously simplifies assembly process.

[0004] But in the manufacturing process of automobile water pump in the above technical scheme, bearing needs to be accurately press-fitted into specified position of water pump, the method generally used at present is to place bearing directly in pre-designed press-fitting groove on automobile water pump.This press-fitting groove is usually designed with a certain inclination, its original intention is to preliminarily guide bearing during press-fitting process, so that bearing can enter installation hole of water pump more smoothly, however, due to the structural characteristics and material hardness of bearing itself, and possible improper operation or uneven force during press-fitting process, bearing is easy to incline during sliding along the inclination of groove and being press-fitted, which affects the overall performance and sealing property of water pump. UTILITY MODEL CONTENTS

[0005] The utility model discloses a main purpose lies in providing a kind of automobile water pump press fitting positioning device, can effectively solve the manufacturing process in automobile water pump in background art, bearing needs to be accurately press fitted to the specified position of water pump, the method generally used in present stage is that bearing is directly placed in the press fitting recess of automobile water pump pre-design.This press fitting recess is usually designed with certain inclination, its original intention is to preliminarily guide bearing during press fitting, so that bearing can be more smoothly into the installation hole of water pump, however, due to the structural characteristics and material hardness of bearing itself, and the improper operation or uneven force that can exist during press fitting process, make bearing easily tilt in the process of sliding along the inclination of recess and being press fitted, affect the overall performance and sealing problem of water pump.

[0006] To realize the above-mentioned purpose, the technical scheme that the utility model adopts is as follows:

[0007] An automobile water pump press fitting positioning device, including base, water pump, bearing, the base is provided with a plurality of support columns, the support column is provided with top plate, the top plate is provided with first hydraulic rod, the first hydraulic rod is provided with lifting plate, the lifting plate is provided with guide component and a plurality of second hydraulic rods, the guide component is provided with press fitting ring, the guide component is provided with a plurality of guide sliding slot.

[0008] As preferred, the second hydraulic rod is fixedly connected with the press fitting ring.

[0009] As preferred, the guide component includes component base, the first spring is fixedly installed on the component base, the component base is provided with a plurality of sliding slots on the side away from the top plate.

[0010] As preferred, the second spring is fixedly installed in the sliding slot, the side of the second spring is fixedly provided with a ball, the component base is provided with a guide sliding block in the guide sliding slot.

[0011] As preferred, the component base is convex, the side of the first spring is fixedly connected with the press fitting ring, and the guide sliding block is fixedly connected with the press fitting ring.

[0012] As preferred, the side of the component base close to the lifting plate is movably penetrated through the press fitting ring.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] (1) The utility model discloses a first water pump is placed on the base, then bearing is placed between the ball and the press -fitting ring, subsequently through first hydraulic rod makes the lifting plate to water pump place movement, and the lifting plate makes the component base and the press -fitting ring to water pump place movement, makes the component base with water pump contact, subsequently through second hydraulic rod makes the press -fitting ring extrusion bearing to water pump place movement, makes bearing along the track of component base movement, completes press -fitting, thereby through the movement direction and the final position of component base to bearing orientation positioning, prevents bearing to incline in the press -fitting process. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structural diagram of the utility model a kind of automobile water pump press -fitting positioning device;

[0016] Figure 2 It is the structural diagram of the utility model a kind of automobile water pump press -fitting positioning device in guiding component.

[0017] In the drawing: 1, base;2, water pump;3, bearing;4, support column;5, top plate;6, first hydraulic rod;7, lifting plate;8, guiding component;801, component base;802, first spring;803, sliding slot;804, second spring;805, ball;806, guiding slider;9, second hydraulic rod;10, press -fitting ring;11, guiding sliding slot. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be described below clearly and completely in conjunction with the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the scope of protection of the utility model.

[0019] As Figure 1 Indicated, a kind of automobile water pump press -fitting positioning device, including base 1, water pump 2, bearing 3, the base 1 is provided with several support columns 4, the support column 4 is provided with top plate 5, the top plate 5 is provided with first hydraulic rod 6, the first hydraulic rod 6 is provided with lifting plate 7, the lifting plate 7 is provided with guiding component 8 and several second hydraulic rod 9, the guiding component 8 is slidably provided with press -fitting ring 10, the guiding component 8 is provided with several guiding sliding slot 11.

[0020] As Figure 2 Indicated, in another embodiment of the utility model, the guiding component 8 includes component base 801, the first spring 802 is fixedly installed on the component base 801, the component base 801 is provided with several sliding slots 803 on the side away from top plate 5.

[0021] The second spring 804 is fixedly installed in the sliding groove 803, and a ball 805 is fixedly arranged on one side of the second spring 804; the component base 801 is provided with a guide sliding block 806 in the guide sliding groove 11;

[0022] When the guiding and positioning is needed, firstly, the bearing 3 is placed between the ball 805 and the press-fitting ring 10, the bearing 3 is fixed between the ball 805 and the press-fitting ring 10 through the second spring 804 and the ball 805, then the component base 801 and the press-fitting ring 10 are moved to the water pump 2 through the lifting plate 7, the component base 801 is contacted with the water pump 2, then the press-fitting ring 10 is extruded to move the bearing 3 to the water pump 2 through the second hydraulic rod 9, the ball 805 is extruded to move to the inside of the sliding groove 803, and the first spring 802 and the second spring 804 are deformed, so that the bearing 3 is moved along the track of the component base 801, thereby the moving direction and the final moving position of the bearing 3 are guided and positioned through the component base 801.

[0023] The working principle of the automobile water pump press-fitting positioning device is as follows:

[0024] In use, firstly, the water pump 2 is placed on the base 1, then the bearing 3 is placed between the ball 805 and the press-fitting ring 10, then the lifting plate 7 is moved to the water pump 2 through the first hydraulic rod 6, the component base 801 and the press-fitting ring 10 are moved to the water pump 2 through the lifting plate 7, the component base 801 is contacted with the water pump 2, then the press-fitting ring 10 is extruded to move the bearing 3 to the water pump 2 through the second hydraulic rod 9, the ball 805 is extruded to move to the inside of the sliding groove 803, and the first spring 802 and the second spring 804 are deformed, so that the bearing 3 is moved along the track of the component base 801, thereby the moving direction and the final moving position of the bearing 3 are guided and positioned through the component base 801, and the bearing 3 is prevented from being inclined in the press-fitting process.

[0025] Obviously, the above embodiments of the present application are merely exemplary but not intended to limit the present application. For those skilled in the art, the present application can make various changes and modifications on the basis of the above description, and it is intended that all such technical solutions fall within the scope of the present application.

Claims

1. An automobile water pump press-fit positioning device, comprising a base (1), a water pump (2), and a bearing (3), characterized in that: The base (1) is provided with a plurality of support columns (4), the support column (4) is provided with a top plate (5), the top plate (5) is provided with a first hydraulic rod (6), the first hydraulic rod (6) is provided with a lifting plate (7), the lifting plate (7) is provided with a guide component (8) and a plurality of second hydraulic rods (9), the guide component (8) is provided with a press fitting ring (10) slidingly, the guide component (8) is provided with a plurality of guide sliding grooves (11).

2. The water pump press-fit positioning device for an automobile according to claim 1, characterized in that: The second hydraulic rod (9) is fixedly connected with the press fitting ring (10).

3. The water pump press-fit positioning device of claim 2, wherein: The guide component (8) comprises a component base (801), the component base (801) is fixedly installed with a first spring (802), and the component base (801) is provided with a plurality of sliding grooves (803) away from the top plate (5).

4. The water pump press-fit positioning device of claim 3, wherein: The sliding groove (803) is fixedly installed with a second spring (804), one side of the second spring (804) is fixedly provided with a ball (805), and the component base (801) is provided with a guide sliding block (806) in the guide sliding groove (11).

5. The water pump press-fit positioning device for an automobile according to claim 4, characterized in that: The component base (801) is in the shape of a convex letter, one side of the first spring (802) is fixedly connected with the press fitting ring (10), and the guide sliding block (806) is fixedly connected with the press fitting ring (10).

6. The water pump press-fit positioning device of claim 5, wherein: The component base (801) is movably penetrated through the press fitting ring (10) on one side close to the lifting plate (7).

Citation Information

Patent Citations

  • Positioning device for press fitting of water pump impeller

    CN211991711U