Water-cooled motor shell

By setting a cooling mechanism in the end cover and inside the water-cooled motor housing, the problem of insufficient heat dissipation of the motor end cover and drive shaft is solved, achieving a more efficient water cooling effect.

CN223472129UActive Publication Date: 2025-10-24ZHEJIANG LIYI ELECTROMECHANICAL CO LTD
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Patent Information

Application Number
CN202422837208.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-20
Publication Date
2025-10-24
Estimated Expiration
2034-11-20

AI Technical Summary

Technical Problem

The existing water-cooled motor housing fails to effectively cool the motor end cover and drive shaft, resulting in increased load on the internal cooling system and affecting heat dissipation.

Method used

A second cooling mechanism is installed on the end cover of the motor housing, and a first cooling mechanism is installed inside the motor housing. Through the design of the water inlet pipe, cooling chamber and drain pipe, heat dissipation of the motor shaft and end cover is achieved, and the sealing mechanism ensures effective circulation of coolant.

Benefits of technology

It improves the heat dissipation of internal components of the motor housing, reduces the load on the cooling system, and enhances the water cooling effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of water-cooled motor shells, in particular to a water-cooled motor shell, which comprises a motor shell, a mounting mechanism and a sealing mechanism, the end part of the motor shell is detachably connected with the sealing mechanism, the mounting mechanism is arranged on the motor shell, a first cooling mechanism is arranged on the motor shell, and the sealing mechanism comprises an end cover. One side of the motor shell is detachably connected with an end cover, the end cover is provided with a second cooling mechanism, the second cooling mechanism comprises a second water inlet pipe, the end cover is provided with the second water inlet pipe, the end cover is internally provided with a second cooling cavity, the second cooling cavity is communicated with the second water inlet pipe, and the first cooling mechanism is communicated with the second water inlet pipe; a second drainage pipe is installed on the side face of the end cover and communicates with the second cooling cavity, the end cover is also provided with a water cooling mechanism to dissipate heat of the motor shaft and the end cover, the load of the water cooling mechanism on the shell is reduced, and the water cooling effect is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of motor housings, specifically a kind of water-cooled motor housing, belong to water-cooled motor shell technical field. BACKGROUND

[0002] Water-cooled motor is used to convert mechanical energy into electromagnetic device of electric energy, it is effectively dissipated by water cooling technology The heat generated inside the motor, this kind of motor is widely used in industrial production, transportation, military field and new energy field etc.

[0003] The current water-cooled motor shell is all in the wall of motor shell is set with a sandwich as cooling channel, the water inlet pipe and the water outlet pipe that are communicated with cooling channel are installed on the outside of shell to realize the circulation of cooling liquid, only the rotor and parts inside shell can be cooled by the cooling system, the motor end cover and transmission shaft are also high-speed rotating and can generate greater heat, the mechanism for cooling motor cover and transmission shaft is not set, greater heat generated by transmission shaft is still absorbed by rotor and parts inside motor shell, increase the load of cooling system inside shell, affect water cooling effect. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of water-cooled motor shell, end cover is also provided with water cooling mechanism to motor shaft and end cover heat dissipation, reduce the load of water cooling mechanism on shell, improve water cooling effect.

[0005] The utility model discloses the following technical scheme to realize the above-mentioned purpose, a kind of water-cooled motor shell, including motor shell, installation mechanism and sealing mechanism, the end of the motor shell is detachably connected with sealing mechanism, the motor shell is equipped with installation mechanism, the first cooling mechanism is installed on the motor shell, the sealing mechanism includes end cover, one side of the motor shell is detachably connected with end cover, the second cooling mechanism is equipped on the end cover, the second cooling mechanism includes second water inlet pipe, the second water inlet pipe is installed on the end cover, the inside of the end cover is equipped with second cooling cavity, the second cooling cavity is communicated with second water inlet pipe, the first cooling mechanism is communicated with second water inlet pipe, the side surface of the end cover is equipped with second drain pipe, the second drain pipe is communicated with second cooling cavity.

[0006] Preferably, the cross section of the second cooling cavity is in a spiral structure, and the distance between the adjacent two second cooling cavities is equal.

[0007] Preferably, the first cooling mechanism comprises a first water inlet pipe and a first water outlet pipe, the first water inlet pipe and the first water outlet pipe are installed on the motor shell, the inside of the motor shell is provided with a first cooling cavity, the first cooling cavity is communicated with the first water inlet pipe and the first water outlet pipe, the first water inlet pipe is connected with the second water inlet pipe, and the center of the connecting pipe is communicated with a liquid inlet pipe.

[0008] Preferably, the first cooling cavity is in a hollow cuboid structure, and the first cooling cavity is arranged in an annular array on the inner wall of the motor shell.

[0009] Preferably, the sealing mechanism further comprises a mounting block and a bolt, the end cover is fixedly connected with a plurality of mounting blocks on the motor shell, the opposite two mounting blocks are fixed through the cooperation of the bolt and the nut, and the center of the end cover is provided with a shaft hole.

[0010] Preferably, the sealing mechanism further comprises a sealing strip, the side of the end cover is annularly bonded with a plurality of sealing strips inserted into the inside of the first cooling cavity, the shape of the sealing strip is same as that of the first cooling cavity, and the corner of the sealing strip is in an arc structure.

[0011] Preferably, the sealing mechanism further comprises a screw and a baffle, the side wall of the end cover is fixedly connected with a plurality of screws at equal intervals, the screw penetrates the end portion of the sealing strip, the screw is sleeved with the baffle abutting against the end portion of the sealing strip, and the baffle is fixed through the screw and the nut.

[0012] Preferably, the sealing mechanism further comprises a protrusion and a groove, two protrusions are symmetrically fixed on the screw on the plurality of baffles, the end portion of the sealing strip is provided with a groove corresponding to the protrusion, and the protrusion is inserted into the inside of the groove.

[0013] Preferably, the mounting mechanism comprises a mounting seat and a fixed plate, the two ends of the motor shell are fixedly provided with a plurality of fixed plates, and the outer sides of the motor shell are oppositely welded with two mounting seats.

[0014] The utility model discloses a beneficial effect is: when the motor works, the cooling liquid is transported into the first cooling mechanism, and the cooling liquid is further transported to the inside of the first cooling mechanism and the second water inlet pipe, the cooling liquid in the inside of the first cooling mechanism can heat dissipation to the parts in the inside of the motor shell, and the cooling liquid in the inside of the second water inlet pipe can heat dissipation to the sealing mechanism and the motor shaft in the inside of the second cooling cavity, the motor shell and the sealing mechanism heat dissipation simultaneously, reduce the heat dissipation load of the cooling liquid in the inside of the motor shell, and improve the heat dissipation effect of the parts in the inside of the motor shell. ACCURATE DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 Figure 1 is a connection structure diagram of the motor shell, the first cooling cavity and the first water inlet pipe of the utility model;

[0017] Figure 3 Figure 2 is a connection structure diagram of the end cover and the sealing strip of the utility model;

[0018] Figure 4 Figure 3 is a connection structure diagram of the end cover and the second cooling cavity of the utility model;

[0019] Figure 5 Figure 4 is a connection structure diagram of the sealing strip, the screw and the baffle of the utility model;

[0020] Figure 6 Figure 5 is a connection structure diagram of the motor cover and the first cooling cavity of the utility model;

[0021] Figure 7 Figure 6 is a connection structure diagram of the end cover, the second water inlet pipe and the second cooling cavity of the utility model.

[0022] In the figure: 1, motor shell; 2, mounting mechanism; 201, mounting seat; 202, fixed plate; 3, first cooling mechanism; 301, liquid inlet pipe; 302, connecting pipe; 303, first water inlet pipe; 304, first drain pipe; 305, first cooling cavity; 4, sealing mechanism; 401, mounting block; 402, bolt; 403, end cover; 404, shaft hole; 405, sealing strip; 406, baffle; 407, screw; 408, protrusion; 409, groove; 5, second cooling mechanism; 501, second water inlet pipe; 502, second drain pipe; 503, second cooling cavity. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-7As shown, a water-cooled motor shell, including motor shell 1, mounting mechanism 2 and sealing mechanism 4, the end of the motor shell 1 is detachably connected with sealing mechanism 4, the motor shell 1 is equipped with mounting mechanism 2, the motor shell 1 is provided with first cooling mechanism 3, the sealing mechanism 4 includes end cover 403, one side of the motor shell 1 is detachably connected with end cover 403, the end cover 403 is equipped with second cooling mechanism 5, the second cooling mechanism 5 includes second water inlet pipe 501, the end cover 403 is provided with second water inlet pipe 501, the inside of the end cover 403 is equipped with second cooling cavity 503, the second cooling cavity 503 is communicated with the second water inlet pipe 501, the first cooling mechanism 3 is communicated with the second water inlet pipe 501, the side of the end cover 403 is provided with second drain pipe 502, the second drain pipe 502 is communicated with the second cooling cavity 503.

[0025] As a technical optimization scheme of the utility model, the cross section of the second cooling cavity 503 is spiral structure, and the distance between adjacent two second cooling cavities 503 is equal, which ensures the stability of the end cover 403 structure and increases the contact range of the cooling liquid and the end cover 403, which is beneficial to heat dissipation.

[0026] As a technical optimization scheme of the utility model, the first cooling mechanism 3 includes first water inlet pipe 303 and first drain pipe 304, the motor shell 1 is provided with first water inlet pipe 303 and first drain pipe 304, the inside of the motor shell 1 is equipped with first cooling cavity 305, the first cooling cavity 305 is communicated with the first water inlet pipe 303 and the first drain pipe 304, the first water inlet pipe 303 is connected with the second water inlet pipe 501 through connecting pipe 302, the center of the connecting pipe 302 is communicated with liquid inlet pipe 301, the cooling liquid is communicated with the liquid inlet pipe 301 to realize the cooling liquid into the inside of the first water inlet pipe 303 and the second water inlet pipe 501, and the liquid supply is simultaneously realized, one is used for heat dissipation of the motor cover 1, and one is used for heat dissipation of the end cover 403.

[0027] As a technical optimization scheme of the utility model, the first cooling cavity 305 is hollow cuboid structure, and the first cooling cavity 305 is annular array distribution on the inner wall of the motor shell 1, which increases the contact range of the motor shell 1 and the cooling liquid.

[0028] As a technical optimization scheme of the utility model, the sealing mechanism 4 further includes mounting block 401 and bolt 402, the end cover 403 and the motor shell 1 are relatively fixedly connected with a plurality of mounting blocks 401, the relatively two mounting blocks 401 are fixed through bolt 402 and nut, the center of the end cover 403 is provided with shaft hole 404, which realizes the mounting and dismounting of the end cover 403.

[0029] As a technical optimization scheme of the utility model, the sealing mechanism 4 further includes sealing strip 405, the side of end cover 403 is annular array bonding with multiple insertion first cooling cavity 305 inside sealing strip 405, the shape of sealing strip 405 is same with the shape of first cooling cavity 305, the corner of sealing strip 405 is arc structure, realize the sealing of first cooling cavity 305, avoid the outflow of cooling liquid.

[0030] As a technical optimization scheme of the utility model, the sealing mechanism 4 further includes screw 407 and baffle 406, the side wall of end cover 403 is equidistant fixed connection with multiple screw 407, the screw 407 penetrates sealing strip 405 end, the baffle 406 of screw 407 is set with and sealing strip 405 end resistance, baffle 406 is fixed through screw 407 and nut, realize the fixed sealing strip 405, while benefit the sealing strip 405 of aging is pulled out from the inside of first cooling cavity 305.

[0031] As a technical optimization scheme of the utility model, the sealing mechanism 4 further includes convex 408 and recess 409, multiple baffle 406 are all about two convex 408 fixed with symmetry on screw 407, the end of sealing strip 405 is set with recess 409 corresponding with convex 408, the inside of recess 409 is inserted with convex 408, increase the compactness of baffle 406 and sealing strip 405, benefit sealing strip 405 is inserted to the inside of first cooling cavity 305.

[0032] As a technical optimization scheme of the utility model, the installation mechanism 2 includes mounting seat 201 and fixed plate 202, the both ends of motor shell 1 are all fixed with multiple fixed plate 202, the outside of motor shell 1 is relatively welded with two mounting seats 201, the mounting seat 201 and fixed plate 202 can realize motor shell 1 installation to corresponding mechanical equipment.

[0033] The utility model discloses a motor shell, the first water inlet pipe 303 and the second water inlet pipe 501 are connected with one connecting pipe 302, and the first drain pipe 304 and the second drain pipe 502 are connected with the circulating equipment, that is, the water after heat absorption is drained away through the first drain pipe 304 or the second drain pipe 502, and the cooling liquid is transported into the first water inlet pipe 303 and the second water inlet pipe 501 from the liquid inlet pipe 301, and the cooling liquid in the first water inlet pipe 303 flows into the first cooling cavity 305 to cool the parts in the motor shell 1, and the cooling liquid in the second water inlet pipe 501 flows into the second cooling cavity 503 to cool the end cover 403 and the motor shaft, so that the motor shell 1 and the end cover 403 are cooled simultaneously, the cooling load of the cooling liquid in the motor shell 1 is reduced, the cooling effect of the parts in the motor shell 1 is improved, and the second cooling cavity 503 is in a spiral structure, so that the contact area of the cooling liquid and the end cover 403 is maximized, and the cooling effect is improved.

[0034] It will be apparent to those skilled in the art that the present application is not limited to the details of the above-exemplified embodiments but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Thus, the present application should not be considered as being limited to the above-exemplified embodiments, which are to be regarded as illustrative only, and the scope of the present application is defined by the appended claims rather than by the above description, and it is intended to embrace all changes and modifications that fall within the meaning and scope of equivalents of the claims. Any reference signs in the claims should not be construed as limiting the scope of the claims to the identified parts.

[0035] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature described. The specification can include implicit combinations of explicitly mentioned features and / or explicit combinations of implicitely mentioned features. Each embodiment depends on the explicit combinations of features and / or the implicit combinations of features made specifically within that embodiment, and each such embodiment can be combined with every other such embodiment to create further embodiments.

Claims

1. A water-cooled motor housing comprising a motor housing (1), a mounting mechanism (2) and a sealing mechanism (4), characterized in that: The end of the motor shell (1) is detachably connected with a sealing mechanism (4), the motor shell (1) is provided with a mounting mechanism (2), the motor shell (1) is provided with a first cooling mechanism (3), the sealing mechanism (4) comprises an end cover (403), one side of the motor shell (1) is detachably connected with the end cover (403), the end cover (403) is provided with a second cooling mechanism (5), the second cooling mechanism (5) comprises a second water inlet pipe (501), the end cover (403) is provided with the second water inlet pipe (501), the inside of the end cover (403) is provided with a second cooling cavity (503), the second cooling cavity (503) is communicated with the second water inlet pipe (501), the first cooling mechanism (3) is communicated with the second water inlet pipe (501), the side of the end cover (403) is provided with a second water outlet pipe (502), the second water outlet pipe (502) is communicated with the second cooling cavity (503).

2. A water-cooled motor housing according to claim 1, characterized in that: The cross section of the second cooling cavity (503) is a spiral structure, and the distance between adjacent two second cooling cavities (503) is equal.

3. A water-cooled motor housing according to claim 1, characterized in that: The first cooling mechanism (3) comprises a first water inlet pipe (303) and a first water outlet pipe (304), the motor shell (1) is provided with the first water inlet pipe (303) and the first water outlet pipe (304), the inside of the motor shell (1) is provided with a first cooling cavity (305), the first cooling cavity (305) is communicated with the first water inlet pipe (303) and the first water outlet pipe (304), the first water inlet pipe (303) and the second water inlet pipe (501) are connected with a connecting pipe (302), the center of the connecting pipe (302) is communicated with a liquid inlet pipe (301).

4. A water-cooled motor housing according to claim 3, characterized in that: The first cooling cavity (305) is a hollow cuboid structure, and the first cooling cavities (305) are arranged in an annular array on the inner wall of the motor shell (1).

5. A water-cooled motor housing according to claim 4, characterized in that: The sealing mechanism (4) further comprises a mounting block (401) and a bolt (402), the end cover (403) and the motor shell (1) are fixedly connected with a plurality of mounting blocks (401), the opposite two mounting blocks (401) are fixed through the bolt (402) and the nut, and the center of the end cover (403) is provided with a shaft hole (404).

6. A water-cooled motor housing according to claim 3, characterized in that: The sealing mechanism (4) further comprises a sealing strip (405), the side of the end cover (403) is annularly bonded with a plurality of sealing strips (405) inserted into the first cooling cavity (305), the shape of the sealing strip (405) is the same as that of the first cooling cavity (305), and the corner of the sealing strip (405) is in an arc structure.

7. A water-cooled motor housing according to claim 6, characterized in that: The sealing mechanism (4) further comprises a screw (407) and a baffle (406), a plurality of screws (407) are fixedly connected to the side wall of the end cover (403) at equal intervals, the screw (407) penetrates the end portion of the sealing strip (405), the baffle (406) is sleeved on the screw (407) and abuts against the end portion of the sealing strip (405), and the baffle (406) is fixed through the screw (407) and the nut.

8. A water-cooled motor housing according to claim 7, characterized in that: The sealing mechanism (4) further comprises protrusions (408) and grooves (409), two protrusions (408) are symmetrically fixed on each of the plurality of flaps (406) relative to the screw (407), and the end of the sealing strip (405) is provided with a groove (409) corresponding to the protrusion (408), and the protrusion (408) is inserted into the inside of the groove (409).

9. A water-cooled motor housing according to claim 1, characterized in that: The mounting mechanism (2) comprises a mounting seat (201) and a fixed plate (202), a plurality of fixed plates (202) are fixed at both ends of the motor shell (1), and two mounting seats (201) are oppositely welded on the outer side of the motor shell (1).