A water-cooled housing structure and spindle motor
By designing a through-flow air duct and water channel on the main body of the water-cooled motor, and utilizing bend pipe connection and sealing technology, the problems of numerous structural components and poor heat dissipation of the water-cooled motor were solved, resulting in cost reduction and improved heat dissipation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BONENG TRANSMISSION SUZHOU
- Filing Date
- 2025-04-14
- Publication Date
- 2026-05-26
AI Technical Summary
Existing water-cooled motor housings have many structural components, resulting in high costs and poor water cooling performance.
Design a water-cooled housing structure. The main body of the housing has a through air duct and water channel at the corner, which are connected by a bend. The water inlet and outlet are on the housing, and the water channel is integrated on the housing. It is sealed with screws and sealant.
Reduce production and maintenance costs, increase water cooling heat dissipation area and effect, and have a compact overall length.
Smart Images

Figure CN224289476U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of motor-related technology, specifically a water-cooled housing structure and a spindle motor. Background Technology
[0002] As an electromechanical conversion device, the electric motor uses the principle of electromagnetic induction to convert or transmit electrical energy. It is widely used in industry to drive various mechanical equipment such as fans, pumps, machine tools, and conveyor belts. As the largest consumer of electricity in society, improving its energy efficiency is of great significance for saving electricity and improving the overall efficiency of electricity use in society.
[0003] There are two main designs for water-cooled motor housings: one is to install eight steel water pipes on the stator core and assemble them with the front and rear end covers. The eight water pipes and the water channels of the front and rear end covers form a series water circuit, and the inlet and outlet are generally on the front and rear end covers; the other is to have a housing divided into inner and outer layers. The surface of the inner housing is cast with water channels and a sealing ring is installed. The inner and outer housing layers are assembled to form a water circuit, and the inlet and outlet are both on the housing. Both water-cooled housing designs require a relatively large number of structural components and are costly. Utility Model Content
[0004] The purpose of this invention is to provide a water-cooled housing structure and a spindle motor to solve the problems in the prior art.
[0005] To achieve the above objectives, the present invention provides the following technical solution: a water-cooled housing structure and a spindle motor, comprising a housing body, wherein the housing body has multiple through air ducts at each corner, and the housing body also has multiple water channels at the air ducts, the multiple water channels being connected by bends, and the housing body has inlet and outlet water outlets on its side.
[0006] Preferably, the plurality of waterways are waterway one, waterway two, waterway three, waterway four, waterway five, waterway six, waterway seven, waterway eight, waterway nine, waterway ten, waterway eleven, waterway twelve, waterway thirteen, waterway fourteen, waterway fifteen, and waterway sixteen;
[0007] Waterways 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 and 16 are arranged in a ring.
[0008] Waterways 1 and 2 are interconnected; Waterways 3 and 4 are interconnected; Waterways 5 and 6 are interconnected; Waterways 7 and 8 are interconnected; Waterways 9 and 10 are interconnected; Waterways 11 and 12 are interconnected; Waterways 13 and 14 are interconnected; Waterways 15 and 16 are interconnected.
[0009] Waterway 1 and waterway 4 are connected by a bend, waterway 3 and waterway 6 are connected by a bend, waterway 5 and waterway 8 are connected by a bend, waterway 7 and waterway 10 are connected by a bend, waterway 9 and waterway 12 are connected by a bend, waterway 11 and waterway 14 are connected by a bend, and waterway 13 and waterway 16 are connected by a bend.
[0010] Preferably, both ends of the waterway are sealed with screws and further sealed with PTFE tape or sealant.
[0011] Preferably, the inner circular wall of the main body of the housing is provided with steps.
[0012] A spindle motor includes a water-cooled housing structure, wherein the water-cooled housing structure is the water-cooled housing structure described above.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] 1. It is compatible with both air-cooled and water-cooled spindle motors. The water cooling system is located on the housing, which facilitates testing of the water system sealing effect and reduces motor production and maintenance costs.
[0015] 2. The motor's water inlet and outlet are on the casing, and the cooling water circuit is integrated on the casing. After assembling the water-cooled casing and the bent pipe, tighten the set screws. After the overall water-cooling sealing is tested and found to be qualified, assemble the stator and align the cable outlet with the cable outlet. Sixteen sets of water circuits are connected in series, resulting in a large water-cooling heat dissipation area and better heat dissipation effect. The short bent pipe is close to the inner wall, and the overall length is compact. Attached Figure Description
[0016] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0017] Figure 1 This is a structural schematic diagram of the water-cooled housing of this utility model;
[0018] Figure 2 This is a front view of the water-cooled housing of this utility model;
[0019] Figure 3 This is a cross-sectional view of the water-cooled housing of this utility model;
[0020] Figure 4 This is a schematic diagram of the structure of the bend in this utility model;
[0021] Figure 5 This is a schematic diagram of the spindle motor of this utility model.
[0022] In the diagram: 1. Main casing; 2. Air duct; 3. Bend; 4. Water passage; 5. Inlet and outlet. Detailed Implementation
[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely to represent selected embodiments of this utility model.
[0024] Please see Figure 1-4 In this embodiment of the utility model, a water-cooled housing structure and spindle motor are provided, including a housing body 1. The housing body 1 has multiple through air ducts 2 at each corner. The housing body 1 also has multiple water channels 4 at the air ducts 2. The multiple water channels 4 are connected by bends 3. The housing body 1 has inlet and outlet water ports 5 on its side. The two ends of the water channels 4 are sealed with screws (when water cooling is not used, the water channels can be used as air ducts and do not need to be sealed), and sealed with Teflon tape or sealant. The inner circular wall of the housing body 1 is provided with steps. In actual production, after heating the housing, the iron core is heat-fitted onto the step surface without the need for other tooling for positioning.
[0025] The multiple waterways 4 are waterway one, waterway two, waterway three, waterway four, waterway five, waterway six, waterway seven, waterway eight, waterway nine, waterway ten, waterway eleven, waterway twelve, waterway thirteen, waterway fourteen, waterway fifteen and waterway sixteen;
[0026] Waterways 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 and 16 are arranged in a ring.
[0027] Waterways 1 and 2 are interconnected; Waterways 3 and 4 are interconnected; Waterways 5 and 6 are interconnected; Waterways 7 and 8 are interconnected; Waterways 9 and 10 are interconnected; Waterways 11 and 12 are interconnected; Waterways 13 and 14 are interconnected; Waterways 15 and 16 are interconnected.
[0028] Waterway 1 and waterway 4 are connected by bend 3, waterway 3 and waterway 6 are connected by bend 3, waterway 5 and waterway 8 are connected by bend 3, waterway 7 and waterway 10 are connected by bend 3, waterway 9 and waterway 12 are connected by bend 3, waterway 11 and waterway 14 are connected by bend 3, and waterway 13 and waterway 16 are connected by bend 3.
[0029] like Figure 5 A spindle motor includes a water-cooled housing structure, which is the aforementioned water-cooled housing structure. The motor's water inlet and outlet are located on the housing, and the cooling water circuit is integrated on the housing. After assembling the water-cooled housing and the bent pipes, the set screws are tightened. After the overall water-cooling sealing is tested and found to be qualified, the stator is assembled, with the cable outlet aligned with the cable outlet. Sixteen sets of water circuits are connected in series, resulting in a large water-cooling heat dissipation area and better heat dissipation effect. The short bent pipes are close to the inner wall, and the overall length is compact.
[0030] The working principle of this utility model is as follows: the water inlet and outlet of the motor are on the casing, and the cooling water circuit is integrated on the casing. After assembling the water-cooled casing and the bent pipe, tighten the set screws, and after the overall water-cooling sealing is tested and found to be qualified, assemble the stator, aligning the cable outlet with the cable outlet; sixteen sets of water circuits are connected in series, resulting in a large water-cooling heat dissipation area and better heat dissipation effect; the short bent pipe is close to the inner wall, and the overall length is compact.
[0031] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A water-cooled cabinet structure comprising a cabinet main body (1), characterized by: The main body of the casing (1) has multiple through air ducts (2) at each corner, and multiple water channels (4) are also provided at the air ducts (2). The multiple water channels (4) are connected by bends (3). The main body of the casing (1) has inlet and outlet water ports (5) on its side.
2. A water-cooled enclosure structure according to claim 1, wherein: The multiple waterways (4) are waterway one, waterway two, waterway three, waterway four, waterway five, waterway six, waterway seven, waterway eight, waterway nine, waterway ten, waterway eleven, waterway twelve, waterway thirteen, waterway fourteen, waterway fifteen and waterway sixteen respectively; waterway one, waterway two, waterway three, waterway four, waterway five, waterway six, waterway seven, waterway eight, waterway nine, waterway ten, waterway eleven, waterway twelve, waterway thirteen, waterway fourteen, waterway fifteen and waterway sixteen are arranged in a ring in sequence; Waterways 1 and 2 are interconnected; Waterways 3 and 4 are interconnected; Waterways 5 and 6 are interconnected; Waterways 7 and 8 are interconnected; Waterways 9 and 10 are interconnected; Waterways 11 and 12 are interconnected; Waterways 13 and 14 are interconnected; Waterways 15 and 16 are interconnected. Waterway 1 and waterway 4 are connected by a bend (3), waterway 3 and waterway 6 are connected by a bend (3), waterway 5 and waterway 8 are connected by a bend (3), waterway 7 and waterway 10 are connected by a bend (3), waterway 9 and waterway 12 are connected by a bend (3), waterway 11 and waterway 14 are connected by a bend (3), and waterway 13 and waterway 16 are connected by a bend (3).
3. The water-cooled cabinet structure of claim 1, wherein: Both ends of the waterway (4) are sealed with screws and then sealed with PTFE tape or sealant.
4. The water-cooled housing structure according to claim 1, characterized in that: The inner circular wall of the main body of the casing (1) is provided with steps.
5. A spindle motor, characterized in that: It includes a water-cooled housing structure, wherein the water-cooled housing structure is the water-cooled housing structure according to any one of claims 1 to 4.