Modularized rear shell mechanism and electric water pump

By designing a modular rear shell mechanism and combining hot-melt grooves with plug-in units, the compatibility problem of water pump electrical control connections for different vehicle models was solved, enabling rapid prototyping and cost savings for electric water pumps.

CN223868233UActive Publication Date: 2026-02-03FAWER AUTOMOTIVE PARTS LIMITED COMPARTY +1
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Patent Information

Application Number
CN202520455658.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-17
Publication Date
2026-02-03
Estimated Expiration
2035-03-17

AI Technical Summary

Technical Problem

The existing electrical control connection methods for water pumps have increased development and manufacturing costs due to the different number of holes in the connector plugs and sockets and the different wiring directions for different vehicle models.

Method used

The modular rear shell mechanism is designed with a heat-melting groove formed on the main body of the rear shell. After the outer shell of the plug-in unit is attached to the heat-melting groove, it is fused together by heat fusion, realizing the combination of the plug-in unit and the main body of the rear shell, which can adapt to the needs of different vehicle models.

Benefits of technology

It reduces development and production costs, improves assembly efficiency, and allows for rapid prototyping without replacing other components of the front-end electric water pump.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a modularized rear shell mechanism and an electric water pump, relates to the technical field of electric water pumps, and aims to optimize the rear shell structure of the water pump to a certain extent, improve the adaptation degree of the water pump and reduce the development and manufacturing cost. The utility model provides a modularized rear shell mechanism. The modularized rear shell mechanism comprises a rear shell main body and a plugging unit, a hot melting groove is formed in the rear shell main body, the plug-in unit is arranged in the hot melting groove, the plug-in unit comprises a shell, the end part of the shell is attached to the bottom of the hot melting groove, and the edge part can be integrated with the rear shell main body after hot melting.
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Description

TECHNICAL FIELD

[0001] The utility model relates to electric water pump technical field especially modularization rear shell mechanism and electric water pump. BACKGROUND

[0002] Water pump is one of indispensable structures in the car, with the continuous development of the car, the water pump model of different brands and models is not consistent, and the difference mainly reflects the different electric control connection modes.

[0003] The electric control connection of the water pump at the present stage mainly relies on the plug-in connector to realize, and because the plug and socket hole number of the connector used by different vehicle models is different, the design line connection direction is different, therefore, even if the main body part structure of the water pump is same, the structure of the plug-in unit position also needs to be redesigned, and the structure form of different connectors is adapted, which greatly increases the development and manufacturing cost.

[0004] Therefore, it is urgent to provide a modularization rear shell mechanism and electric water pump to solve the problems in the prior art to some extent. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a modularization rear shell mechanism and electric water pump to optimize the water pump rear shell structure to some extent, improve the adaptation degree of the water pump and reduce the development and manufacturing cost.

[0006] The utility model provides a modularization rear shell mechanism, including rear shell main part and plug-in unit, the rear shell main part forms hot melt recess, the plug-in unit is arranged in the hot melt recess, and the plug-in unit includes shell, the end of the shell is attached with the bottom of the hot melt recess, the edge portion can be integrated with the rear shell main part through hot melt.

[0007] Among them, the plug-in unit forms the plug-in part, the position corresponding to the plug-in part in the hot melt recess forms the perforation, and the area of the perforation is not less than the area of the plug-in part.

[0008] Specifically, the end of the shell forms the edge portion, the edge portion is perpendicular to the shell and is arranged around the shell along the circumference of the shell.

[0009] Further, the projection area of one end of the edge portion formed by the shell on the hot melt recess is less than the area of the bottom of the hot melt recess.

[0010] Further, the first hot melt convex part is formed on the edge portion, and the second hot melt convex part is formed at the position corresponding to the first hot melt convex part in the hot melt recess.

[0011] Further, the first hot-melt protrusion forms an annular protrusion along the circumference of the edge portion, and the second hot-melt protrusion corresponds to the first hot-melt protrusion and is annular.

[0012] Further, the hot-melt groove is formed with a first accommodating groove corresponding to the position of the second hot-melt protrusion, and the first accommodating groove is formed around the second hot-melt protrusion.

[0013] Further, the edge portion is formed with a second accommodating groove corresponding to the position of the first hot-melt protrusion, and the second accommodating groove is formed around the first hot-melt protrusion and corresponds to the first accommodating groove.

[0014] Compared with the prior art, the modular rear shell mechanism has the following advantages:

[0015] The modular rear shell mechanism comprises a rear shell main body and a plug-in unit, the rear shell main body is formed with a hot-melt groove, the plug-in unit is arranged in the hot-melt groove, and the plug-in unit comprises a shell, the end portion of the shell is attached to the bottom of the hot-melt groove, and the edge portion can be integrated with the rear shell main body through hot melting.

[0016] According to the analysis, by designing the rear shell main body and the plug-in unit as a split structure, the plug-in unit required can be selected according to the needs of different vehicle models and the design direction of the line, and the hot-melt groove formed on the rear shell main body can accommodate the shell of the plug-in unit, and after the end portion of the plug-in unit is attached to the hot-melt groove, the shell and the hot-melt groove are integrated through hot melting, thereby realizing the combination of the plug-in unit and the rear shell main body.

[0017] Therefore, the rear shell main body in the application can carry different types of plug-in units, and in actual application, without replacing other structures of the front-end electric water pump, the modular rear shell mechanism provided by the application can be combined with the front shell of the electric water pump to complete the rapid forming of the electric water pump, greatly saving the development and production costs, and improving the assembly efficiency to a certain extent.

[0018] In addition, the utility model provides an electric water pump, including front shell, control board and above-mentioned modular rear shell mechanism, the rear shell main body is connected with the front shell, the control board is formed with the insertion pin, the plug-in portion passes through the perforation and is inserted with the insertion pin.

[0019] The edge of the front shell is formed with a connecting portion, the rear shell main body is formed with a matching portion corresponding to the position of the connecting portion, the matching portion cooperates with the connecting portion to connect the rear shell main body with the front shell.

[0020] The electric water pump adopting the modular rear shell mechanism provided in the application only needs to replace the corresponding control board according to different vehicle models, and install the control board into the front shell, and other structures of the electric water pump, such as the impeller and the motor, can not be adjusted, so that the overall electric water pump can quickly adapt to different plug-in units and corresponding electric control systems, reduce the development cost of the overall water pump, and improve the assembly efficiency to a certain extent. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed in the specific embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings described below are some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0022] Figure 1 The cross-sectional view of the electric water pump from the first perspective according to an embodiment of the present application is provided.

[0023] Figure 2 The structural schematic view of the electric water pump from the second perspective according to an embodiment of the present application is provided.

[0024] Figure 3 The structural schematic view of the front shell inside the electric water pump according to an embodiment of the present application is provided.

[0025] In the figure: 1-rear shell body; 101-hot melting groove; 102-perforation; 2-plug-in unit; 3-front shell; 4-control board; 401-needle. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of the present application.

[0027] In the description of the embodiments of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description and cannot be understood as indicating or implying relative importance.

[0028] In addition, the terms "horizontal", "vertical" and the like do not mean that the components must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that it is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0029] In the description of the embodiments of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "set", "mount", "communication", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0030] As used herein, the term "and / or" includes any one of the listed related items and any combination of any two or more of the listed items.

[0031] For ease of description, spatial relationship terms such as "above", "upper", "below" and "lower" can be used herein to describe the relationship of one element to another element as shown in the drawings. Such spatial relationship terms are intended to include, in addition to the orientation depicted in the drawings, different orientations of the device in use or operation.

[0032] The terms used herein are only used to describe various examples and are not intended to limit the disclosure. Unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. The terms "include", "contain" and "have" enumerate the existence of the stated features, quantities, operations, components, elements and / or combinations thereof, but do not exclude the existence or addition of one or more other features, quantities, operations, components, elements and / or combinations thereof.

[0033] Due to manufacturing techniques and / or tolerances, variations in the shapes of the components shown in the drawings can occur. Therefore, the examples described herein are not limited to the specific shapes described in the drawings, but include variations in shapes that would be apparent to one of skill in the art, given the benefit of this disclosure.

[0034] Features of the examples described herein can be combined with features of other examples as would be apparent to one of skill in the art after understanding the examples described herein. Furthermore, various features of the examples described herein can be used to configure other examples as would be apparent to one of skill in the art after understanding the examples described herein. Additionally, the features of the various embodiments can be combined together, but must be combined on the basis that the combination is achievable by one of ordinary skill in the art, and when the combination of features results in a contradiction or is unachievable, it shall be deemed that the combination of features does not exist, and is not within the scope of protection required by this application.

[0035] As shown in Figure 1 The utility model provides a modularization back shell mechanism, including back shell main body 1 and plug -in unit 2, back shell main body 1 is formed with hot melt recess 101, plug -in unit 2 sets up in hot melt recess 101, and plug -in unit 2 includes shell, and the end of shell is in line with the bottom of hot melt recess 101, and the edge portion can be integrated with back shell main body 1 through hot melt.

[0036] Compared with the prior art, the modularization back shell mechanism provided by the utility model has the following advantages:

[0037] The modularization back shell mechanism provided by the utility model can select the plug -in unit 2 required according to the demand of different vehicle models and the design direction of line by designing the back shell main body 1 and plug -in unit 2 into the split structure, and the shell of plug -in unit 2 can be accommodated by forming the hot melt recess 101 on back shell main body 1, and the shell and hot melt recess 101 are integrated by hot melt after the end of plug -in unit 2 is in line with hot melt recess 101, so that the combination between plug -in unit 2 and back shell main body 1 can be realized.

[0038] Therefore, the back shell main body 1 in the application can carry different forms of plug -in unit 2, and in actual application, without replacing other structures of the front end electric water pump, only the modularization back shell mechanism provided by the application is combined with the front shell 3 of the electric water pump, the rapid forming of the electric water pump can be completed, the development cost and production cost are greatly saved, and the assembly efficiency can be improved to a certain extent.

[0039] Optionally, as shown in Figure 3 The plug -in unit 2 provided by the application is formed with a plug -in part, a through hole 102 is formed in the position corresponding to the plug -in part in the hot melt recess 101, and the area of the through hole 102 is not less than the area of the plug -in part.

[0040] The plug-in unit 2 forms a plug-in part in the form of a jack, and the control board 4 of the electric water pump is provided with a plug pin 401 corresponding to the plug-in part, so that the electric water pump and the external circuit can be connected through plug-in. Correspondingly, the through hole 102 formed in the hot melt groove 101 corresponding to the plug-in part can realize the plug-in between the plug pin 401 and the plug-in part.

[0041] Optionally, the end of the shell is provided with a rim portion, the rim portion is perpendicular to the shell and is arranged around the shell in the circumferential direction of the shell.

[0042] In the embodiment, the rim portion can act as a hot melt medium, that is, when it is required to hot melt connect the plug-in unit 2 and the rear shell body 1, the rim portion can be directly hot melted to complete the connection, without affecting the structure of the shell and ensuring the integrity of the plug-in unit 2.

[0043] Preferably, the projection area of one end of the shell forming the rim portion on the hot melt groove 101 is smaller than the area of the bottom of the hot melt groove 101.

[0044] Since the sizes of the plug-in units 2 used in different vehicles are different, the areas are large or small, therefore, by making the area of the bottom of the hot melt groove 101 larger than the projection area of one end of the shell forming the rim portion on the hot melt groove 101, sufficient installation and hot melt space can be provided for the plug-in unit 2, and the connection of the two is ensured to be stable.

[0045] It can be understood that, since the plug-in unit 2 is a standard part in actual application, correspondingly, it has several corresponding sizes, therefore, the application can make the area of the bottom of the hot melt groove 101 larger than the size of the plug-in unit 2 with the largest size, so as to meet the installation and connection of all plug-in units 2.

[0046] Preferably, the rim portion is provided with a first hot melt convex portion, and the hot melt groove 101 is provided with a second hot melt convex portion corresponding to the first hot melt convex portion.

[0047] The application further forms a first hot melt convex portion on the rim portion, correspondingly, a second hot melt convex portion is formed in the hot melt groove 101, when it is required to connect the plug-in unit 2 and the rear shell body 1, only the first hot melt convex portion and the second hot melt convex portion need to be melted to realize the combination of the two, so as to retain the rim portion, make the connection between the plug-in unit 2 and the rear shell body 1 after hot melting more stable, and better in sealing.

[0048] It can be understood that the first hot-melt protrusion in the application forms an annular protrusion along the circumference of the edge portion, the second hot-melt protrusion corresponds to the first hot-melt protrusion and is annular, that is, the first hot-melt protrusion and the second hot-melt protrusion in the application are continuous annular protrusion structures, so that after hot melting, a more secure and better sealed continuous connection state can be formed.

[0049] Further preferably, the hot-melt groove 101 in the application is formed with a first accommodating groove at a position corresponding to the second hot-melt protrusion.

[0050] More preferably, the edge portion is formed with a second accommodating groove at a position corresponding to the first hot-melt protrusion, the second accommodating groove is formed around the first hot-melt protrusion and corresponds to the first accommodating groove.

[0051] Through the first accommodating groove and the second accommodating groove formed around the first hot-melt protrusion and the second hot-melt protrusion, after the first hot-melt protrusion and the second hot-melt protrusion melt, they can enter the first accommodating groove and the second accommodating groove, so that a flat plane can be formed, avoiding the generation of gaps between the plug-in unit 2 and the rear shell body 1 after solidification, affecting the air tightness and connection stability.

[0052] In addition, as shown in Figures 1-3 The utility model further provides an electric water pump which comprises a front shell 3, a control panel 4 and the modularized rear shell mechanism, the rear shell body 1 is connected with the front shell 3, the control panel 4 is formed with a plug pin 401, and the plug-in portion is plugged with the plug pin 401 through the perforation 102.

[0053] The electric water pump provided by the application only needs to replace the corresponding control panel 4 according to different vehicle models and install the control panel 4 into the front shell 3, and other structures of the electric water pump, such as impellers and motors, can not be adjusted, so that the overall electric water pump can quickly adapt to different plug-in units 2 and corresponding electric control systems, reduce the development cost of the overall water pump, and improve the assembly efficiency to a certain extent.

[0054] Optionally, as shown in Figures 1-3 The edge of the front shell 3 in the application is formed with a connecting portion, the rear shell body 1 is formed with a matching portion at a position corresponding to the connecting portion, the matching portion cooperates with the connecting portion to connect the rear shell body 1 with the front shell 3.

[0055] The matching portion and the connecting portion in the application can be an ear portion with a connecting hole or a connecting platform with a hot-melt protrusion, when the ear portion with the connecting hole is used, a bolt or other fastener can be used to realize the connection and assembly between the rear shell body 1 and the front shell 3, and when the connecting platform with the hot-melt protrusion is used, the connection between the front shell 3 and the rear shell body 1 can be realized by hot melting.

[0056] In actual assembly, the control panel 4 is first assembled into the front shell 3, when the control panel 4 is installed in place, the cooperation between the cooperation part and the connecting part realizes the accurate alignment between the rear shell body 1 and the front shell 3, so that the pin 401 can be aligned with the through hole 102, and then the plug-in part can be plugged with the pin 401 after connection.

[0057] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A modular rear shell mechanism, characterized in that, Includes the rear shell body and the plug-in unit; The rear shell body has a heat-melting groove, the plug-in unit is disposed in the heat-melting groove, and the plug-in unit includes a shell, the end of the shell has an edge portion, the end of the shell is fitted with the bottom of the heat-melting groove, and the edge portion can be fused with the rear shell body after heat melting.

2. The modular rear shell mechanism according to claim 1, characterized in that, The plug-in unit has a plug-in portion, and a through hole is formed in the hot-melt groove corresponding to the position of the plug-in portion. The area of ​​the through hole is not less than the area of ​​the plug-in portion.

3. The modular rear shell mechanism according to claim 2, characterized in that, The edge portion is disposed perpendicular to the outer shell and surrounds the outer shell circumferentially.

4. The modular rear shell mechanism according to claim 3, characterized in that, The projected area of ​​one end of the outer shell forming the edge portion on the hot-melt groove is smaller than the area of ​​the bottom of the hot-melt groove.

5. The modular rear shell mechanism according to claim 3, characterized in that, A first hot-melt protrusion is formed on the edge portion, and a second hot-melt protrusion is formed in the hot-melt groove corresponding to the position of the first hot-melt protrusion.

6. The modular rear shell mechanism according to claim 5, characterized in that, The first hot-melt protrusion forms an annular protrusion along the circumference of the edge portion, and the second hot-melt protrusion corresponds to the first hot-melt protrusion and is annular.

7. The modular rear shell mechanism according to claim 5, characterized in that, The hot-melt groove has a first receiving groove formed at the position corresponding to the second hot-melt protrusion, and the first receiving groove is formed around the second hot-melt protrusion.

8. The modular rear shell mechanism according to claim 7, characterized in that, A second receiving groove is formed on the edge portion corresponding to the position of the first hot-melt protrusion. The second receiving groove is formed around the first hot-melt protrusion and corresponds to the first receiving groove.

9. An electric water pump, characterized in that, It includes a front shell, a control panel, and a modular rear shell mechanism as described in any one of claims 2-8; The rear shell body is connected to the front shell, and a pin is formed on the control board. The insertion part passes through the through hole and is inserted into the pin.

10. The electric water pump according to claim 9, characterized in that, The front shell has a connecting portion formed on its edge, and the rear shell body has a mating portion formed at the position corresponding to the connecting portion. The mating portion and the connecting portion mate to connect the rear shell body to the front shell.