Sealing structure of motor water channel

By setting an embedded mounting hole between the sealing ring and the housing and using friction welding to connect them, the problem of limited installation position in the motor water channel structure is solved, and the flexible selection of the water channel structure length and threaded hole position is realized, improving the flexibility and reliability of installation.

CN223975542UActive Publication Date: 2026-03-06SHEN ZHEN SHI LAI DE DONG LI JI SHU YOU XIAN GONG SI
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Patent Information

Application Number
CN202520020127.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-06
Publication Date
2026-03-06
Estimated Expiration
2035-01-06

AI Technical Summary

Technical Problem

The installation location in the existing motor water channel structure is limited, and it is not possible to freely set the installation hole in the water channel location, which affects the flexibility of the water channel structure length and the position of the threaded hole.

Method used

Multiple embedded mounting holes are provided between the sealing ring and the housing, and the embedded connectors are connected by friction welding to achieve a reliable connection between the sealing ring and the housing, allowing for arbitrary installation in the waterway location.

Benefits of technology

It enables the machining of mounting holes at any location within the waterway, accommodating the installation of embedded connectors in various positions. The length of the waterway structure and the location of the threaded holes can be freely selected, improving the flexibility and reliability of installation.

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Abstract

The utility model discloses a sealing structure of a motor water channel, which comprises a shell, the shell is provided with a water channel, the water channel is provided with a sealing ring counter bore structure, a sealing ring is welded in the sealing ring counter bore structure, a plurality of embedded mounting holes are arranged between the sealing ring and the shell, embedded connecting pieces are welded in the embedded mounting holes, and the embedded connecting pieces are connected with the sealing ring counter bore structure. According to the machining requirements, embedded installation hole machining is carried out at any water channel position between the sealing ring and the shell, then embedded connecting pieces are installed, sealing connection is carried out through the friction welding technology, the embedded connecting pieces at various positions can be additionally arranged, the installation position is not limited, and the embedded connecting pieces can be arranged on the end face of a solid wall or a non-solid wall with the water channel inside; the length of the water channel structure and the position of the threaded hole can be freely selected.
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Description

Technical Field

[0001] This utility model relates to the structure of motor water channels, and in particular to a sealing structure for motor water channels. Background Technology

[0002] The primary function of motor cooling channels is heat dissipation. During motor operation, a significant amount of heat is generated. If this heat is not dissipated promptly, the motor temperature will rise, affecting its performance and lifespan. The cooling channels are designed inside the motor, using circulating cooling water to absorb and remove this heat, ensuring the motor operates at a suitable temperature. Currently, commercially available liquid-cooled electric drive systems often use sealing rings mounted on countersunk holes at both ends of the housing containing the cooling channels. The two ends of the ring-shaped housing are then welded together using friction welding to form an internally flowing cooling channel and a completely sealed water-cooled housing at both ends. Adding installation positions to the existing structure's two ends can only be done on solid walls outside the cooling channels. This limitation restricts the addition of installation positions to solid walls without internal cooling channels, and the length of the cooling channel structure and the location of the threaded holes are mutually constrained.

[0003] Therefore, the existing motor water channel structure needs further improvement. Utility Model Content

[0004] The purpose of this utility model is to provide a sealing structure for the motor water channel, which can be equipped with mounting holes at the water channel location to meet more usage needs.

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

[0006] A sealing structure for a motor water channel includes a housing, on which a water channel is provided, and on which a sealing ring countersunk hole structure is provided, wherein a sealing ring is welded into the sealing ring countersunk hole structure, and a plurality of embedded mounting holes are provided between the sealing ring and the housing, wherein embedded connectors are welded into the embedded mounting holes.

[0007] Furthermore, the end face of the housing is circular.

[0008] Furthermore, the waterway is arranged in a circular shape within the shell.

[0009] Furthermore, the sealing ring countersunk hole structure is disposed on the outer end face of the waterway, and the width of the waterway is greater than that of the wall.

[0010] Furthermore, the sealing ring countersunk structure includes multiple arc-shaped countersunk holes.

[0011] Furthermore, the sealing ring includes multiple arc-shaped sealing elements, which are correspondingly installed in multiple arc-shaped countersunk holes.

[0012] Furthermore, the countersunk hole structure of the sealing ring and the sealing ring are connected by friction welding.

[0013] Furthermore, a plurality of the embedded mounting holes are arranged around the outer side of the center of the housing; the embedded mounting holes extend from the outer end face of the housing to the inner side of the sealing ring.

[0014] Furthermore, the embedded connector and the embedded mounting hole are sealed together by friction welding; the embedded connector is provided with internal threaded holes or internal holes and other structures.

[0015] In summary, the advantages of this utility model over the prior art are:

[0016] This utility model solves the shortcomings of existing motor water channel structures. Through the structural design of this utility model, it has the following advantages: According to the processing requirements, the embedded mounting hole can be processed at any water channel position between the sealing ring and the shell, and then the embedded connector is installed and sealed by friction welding. This allows for the addition of embedded connectors in various positions, and the installation position is not limited. It can be set on the end face of a solid wall or a non-solid wall with an internal water channel. The length of the water channel structure and the position of the threaded hole can be freely selected. Attached Figure Description

[0017] Figure 1 This is a top view of the first state of this utility model;

[0018] Figure 2 For the present utility model Figure 1 Cross-sectional view along line EE;

[0019] Figure 3 For the present utility model Figure 2 Schematic diagram of the sealing ring installation structure;

[0020] Figure 4 For the present utility model Figure 3 A schematic diagram showing the cutting of embedded mounting holes and the installation of embedded connectors;

[0021] Figure 5 This is an exploded view of the present invention;

[0022] Figure 6 This is a perspective view of the present utility model;

[0023] Figure 7 A schematic diagram showing the installation hole for the sealing ring of this utility model. 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. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-7 This utility model provides a sealing structure for a motor water channel, including a housing 1, a water channel 2 provided on the housing 1, a sealing ring countersunk hole structure 3 provided on the water channel 2, a sealing ring 4 welded inside the sealing ring countersunk hole structure 3, and a plurality of embedded mounting holes 5 provided between the sealing ring 4 and the housing 1, and embedded connectors 6 welded inside the embedded mounting holes 5.

[0026] The threaded holes on one or both ends of the shell with internal water channels can be set in different positions according to actual needs, without being limited by the water channels.

[0027] The waterway 2 is machined on the shell 1, and a solid wall with a shallow waterway on the right end face and a solid wall with a shallow waterway on the left end face of the shell is reserved as required.

[0028] The sealing ring countersunk hole structure 3 at both ends of the housing 1 is machined, and the sealing ring 4 is installed on the sealing ring countersunk hole structure 3 at both ends of the housing. The sealing ring 4 and the installation countersunk hole 1 are completely welded and sealed to the waterway 2 using friction welding process.

[0029] Embedded mounting holes 5 are machined into both ends of the housing 1 and the sealing ring 4 to install threaded assemblies;

[0030] Install the embedded connector 6 with the internal threaded hole onto the embedded mounting hole 5;

[0031] Friction welding is used to completely weld the embedded connector 6 with internal threaded holes to the housing 1, and the embedded connector 6 with internal threaded holes to the sealing ring 4, so as to seal the gaps between the embedded connector 6 and the housing 1, and between the embedded connector 6 and the sealing ring 4, and to connect the embedded connector 6 and the housing 1, and between the embedded connector 6 and the sealing ring 4.

[0032] The end face of the housing 1 described in this utility model is circular.

[0033] The waterway 2 of this invention is arranged in a circular shape inside the housing 1.

[0034] The sealing ring countersunk hole structure 3 of this utility model is disposed on the outer end face of the waterway 2, and its width is larger than the width of the waterway 2.

[0035] The sealing ring countersunk structure 3 of this utility model includes multiple arc-shaped countersunk holes 100.

[0036] The sealing ring 4 of this utility model includes a plurality of arc-shaped sealing elements 200, and the plurality of arc-shaped sealing elements 200 are correspondingly installed in the plurality of arc-shaped countersunk holes 100.

[0037] The sealing ring countersunk structure 3 and the sealing ring 4 of this invention are connected by friction welding.

[0038] In this invention, a plurality of embedded mounting holes 5 are arranged around the outer side of the center of the housing 1; the embedded mounting holes 5 extend from the outer end face of the housing 1 to the inner side of the sealing ring 4.

[0039] The embedded connector 6 and the embedded mounting hole 5 of this utility model are sealed together by friction welding; the embedded connector 6 is provided with internal threaded holes or internal holes and other structures.

[0040] The embedded connector 6 and the embedded mounting hole 5 of this utility model are trapezoidal, conical, or circular in shape.

[0041] At both ends of the housing 1 and on the sealing ring 4, embedded mounting holes 5 for installing threaded assemblies are machined out. These holes can be holes, threaded holes, or other structural and shaped holes.

[0042] The internal mounting hole of the embedded connector 6 can be an internal thread, an internal hole, or a hole of other structures and shapes;

[0043] The outer contour of the embedded connector 6 can be externally threaded, a hole, stepped, tapered, or other shapes. The above description illustrates the basic principles and main features of this utility model, as well as its advantages. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made without departing from the spirit and scope of this utility model, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A sealing structure of a motor water channel comprising a housing (1), characterized in that: The shell (1) is provided with a water channel (2), the water channel (2) is provided with a sealing ring counterbore structure (3), the sealing ring counterbore structure (3) is welded with a sealing ring (4), a plurality of inlaid mounting holes (5) are arranged between the sealing ring (4) and the shell (1), and an inlaid connecting piece (6) is welded in the inlaid mounting hole (5).

2. A seal for a motor waterway as defined in claim 1, wherein: The end face of the shell (1) is circular ring type.

3. A seal for a motor waterway as set forth in claim 2, characterized in that: The water channel (2) is circular ring type arranged in the shell (1).

4. A seal for a motor waterway as set forth in claim 3, characterized in that: The sealing ring counterbore structure (3) is arranged on the outer end face of the water channel (2), and the width is greater than that of the water channel (2).

5. A seal for a motor waterway as defined in claim 4, wherein: The sealing ring counterbore structure (3) comprises a plurality of arc-shaped counterbores (100).

6. A seal for a motor waterway as set forth in claim 5, characterized in that: The sealing ring (4) comprises a plurality of arc-shaped sealing pieces (200), and the arc-shaped sealing pieces (200) are correspondingly arranged in the arc-shaped counterbores (100).

7. A seal for a motor waterway as set forth in claim 6, wherein: The sealing ring counterbore structure (3) and the sealing ring (4) are connected by friction welding process.

8. A seal for a motor waterway as set forth in claim 7, characterized in that: A plurality of inlaid mounting holes (5) are arranged around the outer side of the center of the shell (1); the inlaid mounting hole (5) is penetrated from the outer end face of the shell (1) to the inner side of the sealing ring (4).

9. A seal for a motor waterway as defined in claim 8, wherein: The inlaid connecting piece (6) and the inlaid mounting hole (5) are sealed and connected by friction welding process; the inlaid connecting piece (6) is provided with an internal thread hole or an inner hole.