Welded motor shell
By setting positioning grooves and plugging grooves on the welding edges of the welded motor housing, and using the coordination of positioning columns and fastening bolts, the problem of welding edges is solved, and the welding stability and processing quality are improved.
Patent Information
- Application Number
- CN202420882234.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-04-26
AI Technical Summary
During the welding process, the existing welded motor shells are prone to semicircular shell offset and welding edges are not aligned, which makes welding difficult and affects processing quality.
A welded motor housing is designed to ensure that the alignment and fastening are ensured by providing positioning grooves and plugging grooves on the welding sides of the first and second half shells. Alignment and stable connection of welding edges.
It effectively avoids the problem of welding difficulty caused by misalignment of welding edges, and improves the stability of the welding process and the processing quality of the motor shell.
Smart Images

Figure CN222215348U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of motors, in particular to a welded motor housing. Background Art
[0002] A motor is a device that consumes electrical energy to generate driving torque and serves as a power source for electrical appliances or various machines. The motor housing is a type of motor accessory, generally referring to the external casing of all electrical and motor equipment. It can provide the pressure-bearing space required by the motor and is a protective device for the motor.
[0003] In the prior art, when the diameter of the motor housing is large, the steel plate can be rolled into a cylinder on a plate rolling machine or pressed into two semicircular shells on a hydraulic press, and then the two are welded together to form a whole cylinder. However, during the welding process of the existing welded motor housing, the two semicircular shells are prone to offset and the welding edges are misaligned, which makes the welding of the motor housing difficult and even affects the processing quality of the motor housing. Utility Model Content
[0004] The purpose of the utility model is to provide a welded motor housing to solve the problems raised in the above background technology.
[0005] To achieve the above object, the utility model provides the following technical solution: a welded motor housing, comprising: a first half shell and a second half shell, characterized in that: a first welding edge is provided at one end of the first half shell, a positioning groove is provided on one end surface of the first welding edge, a positioning column is connected inside the positioning groove, and a second welding edge is provided at one end of the second half shell close to the positioning column;
[0006] A plug-in block is installed on the surface of the second welding edge, and a plug-in groove is provided on the surface of the first welding edge close to the plug-in block;
[0007] The outer walls of the first half shell and the second half shell are both installed with heat sinks, and the inner side walls of the first half shell and the second half shell are both provided with cooling chambers.
[0008] Preferably, the positioning column is fixedly mounted on the surface of the second welding edge, and a fastening groove is formed on the surface of one end of the positioning column away from the second welding edge.
[0009] Preferably, a fastening bolt is connected inside the fastening groove, and a threaded hole is formed at one end of the first half shell close to the fastening bolt. The fastening bolt passes through the threaded hole and is threadedly connected to the inner wall of the threaded hole.
[0010] Preferably, the plug-in block is truncated cone-shaped and fixedly mounted on the surface of the second welding edge, one end of the plug-in block is slidably inserted into the plug-in slot, and the longitudinal section of the plug-in slot is trapezoidal.
[0011] Preferably, a plurality of heat sinks are provided and fixedly mounted on the outer walls of the first half shell and the second half shell.
[0012] Preferably, a plurality of cooling chambers are provided and fixedly mounted on the inner side walls of the first half shell and the second half shell, and a connecting pipe is connected between each cooling chamber located inside the first half shell and the second half shell.
[0013] Preferably, an injection hole is provided on the outer wall of the first half shell and the second half shell close to one of the cooling chambers, and a sealing plug is installed at one end of the two injection holes.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] The utility model provides a positioning groove and a plug-in groove opened on the surface of the first welding edge. After the first welding edge and the second welding edge are aligned, the positioning column and the plug-in block of the second welding edge can be slidably inserted into the adjacent positioning groove and the plug-in groove to achieve a preliminary connection between the first half shell and the second half shell. Through the fastening groove opened on the surface of the positioning column, the fastening bolt can be rotated and inserted into the fastening groove, which is convenient for strengthening the connection fastening between the first half shell and the second half shell, making it difficult for the first half shell and the second half shell to shift during the welding process, solving the problem of great welding difficulty caused by the misalignment of the welding edges, so as not to affect the processing quality of the motor housing. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;
[0017] Figure 2 It is a three-dimensional cross-sectional schematic diagram of the overall structure of the utility model;
[0018] Figure 3 For this utility model Figure 2 A schematic diagram of the structure enlargement in the middle;
[0019] Figure 4 This is a three-dimensional schematic diagram of the second half shell structure of the utility model;
[0020] Figure 5 This is a three-dimensional schematic diagram of the first half shell structure of the utility model;
[0021] Figure 6 For this utility model Figure 5 Enlarged schematic diagram of the structure at point B in the middle.
[0022] In the figure: 1, first half shell; 2, second half shell; 3, positioning column; 4, positioning groove; 5, fastening groove; 6, fastening bolt; 7, threaded hole; 8, first welding edge; 9, second welding edge; 10, heat sink; 11, cooling chamber; 12, connecting pipe; 13, injection hole; 14, sealing plug; 15, plug-in block; 16, plug-in groove. DETAILED DESCRIPTION
[0023] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] In the description of the present utility model, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0026] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.
[0027] See also Figures 1 to 6 The utility model provides a technical solution: a welded motor housing, comprising: a first half shell 1 and a second half shell 2, a first welding edge 8 is provided at one end of the first half shell 1, a positioning groove 4 is provided on one end surface of the first welding edge 8, a positioning column 3 is connected inside the positioning groove 4, a second welding edge 9 is provided at one end of the second half shell 2 close to the positioning column 3; the positioning column 3 is fixedly mounted on the surface of the second welding edge 9, and a fastening groove 5 is provided on the end surface of the positioning column 3 away from the second welding edge 9, so as to strengthen the connection between the first half shell 1 and the second half shell 2. A fastening bolt 6 is connected inside the fastening groove 5, a threaded hole 7 is provided at one end of the first half shell 1 close to the fastening bolt 6, the fastening bolt 6 passes through the threaded hole 7 and is threadedly connected to the inner wall of the threaded hole 7, and one end of the fastening bolt 6 is slidably inserted into the fastening groove 5.
[0028] A plug-in block 15 is installed on the surface of the second welding edge 9, and a plug-in groove 16 is opened on the surface of the first welding edge 8 close to the plug-in block 15; the plug-in block 15 is truncated cone-shaped and fixedly installed on the surface of the second welding edge 9, one end of the plug-in block 15 is slidably inserted into the plug-in groove 16, and the longitudinal section of the plug-in groove 16 is trapezoidal, which is conducive to the quick insertion of the plug-in block 15.
[0029] The outer walls of the first half shell 1 and the second half shell 2 are both installed with heat sinks 10, and the inner side walls of the first half shell 1 and the second half shell 2 are both provided with cooling chambers 11. A plurality of heat sinks 10 are provided and fixedly installed on the outer walls of the first half shell 1 and the second half shell 2. A plurality of cooling chambers 11 are provided and fixedly installed on the inner side walls of the first half shell 1 and the second half shell 2, and a connecting pipe 12 is connected between each cooling chamber 11 located inside the first half shell 1 and the second half shell 2, respectively, so as to facilitate the addition of coolant into each cooling chamber 11. Injection holes 13 are provided on the outer walls of the first half shell 1 and the second half shell 2 near one of the cooling chambers 11, and sealing plugs 14 are installed at one end of the two injection holes 13, so as to facilitate the addition of coolant through the injection holes 13.
[0030] When the device is working, the heat dissipation effect of the first half shell 1 and the second half shell 2 is improved by installing the heat sink 10 and the cooling chamber 11 on the outer wall and the inner wall of the first half shell 1 and the second half shell 2. After the first welding edge 8 and the second welding edge 9 are aligned through the positioning groove 4 and the plug-in groove 16 provided on the surface of the first welding edge 8, the positioning column 3 and the plug-in block 15 of the second welding edge 9 can be slidably inserted into the adjacent positioning groove 4 and the plug-in groove 16 to achieve the preliminary connection between the first half shell 1 and the second half shell 2. Through the fastening groove 5 provided on the surface of the positioning column 3, the fastening bolt 6 can be rotated through the threaded hole 7 and inserted into the fastening groove 5 to achieve the limiting of the positioning column 3, thereby facilitating the strengthening of the connection fastening between the first half shell 1 and the second half shell 2, so that the first half shell 1 and the second half shell 2 are not easily offset during the welding process, thereby solving the problem of welding difficulty caused by the misalignment of the welding edges, so as not to affect the processing quality of the motor housing.
[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A welded motor housing, comprising: A first half shell (1) and a second half shell (2), characterized in that: a first welding edge (8) is provided at one end of the first half shell (1), a positioning groove (4) is provided on one end surface of the first welding edge (8), a positioning column (3) is connected inside the positioning groove (4), and a second welding edge (9) is provided at one end of the second half shell (2) close to the positioning column (3); A plug-in block (15) is installed on the surface of the second welding edge (9), and a plug-in groove (16) is provided on the surface of the first welding edge (8) close to the plug-in block (15); The outer walls of the first half shell (1) and the second half shell (2) are both provided with heat sinks (10), and the inner side walls of the first half shell (1) and the second half shell (2) are both provided with cooling chambers (11).
2. A welded motor housing according to claim 1, characterized in that: The positioning column (3) is fixedly mounted on the surface of the second welding edge (9), and a fastening groove (5) is provided on the surface of one end of the positioning column (3) away from the second welding edge (9).
3. A welded motor housing according to claim 2, characterized in that: A fastening bolt (6) is connected to the interior of the fastening groove (5); a threaded hole (7) is provided at one end of the first half shell (1) close to the fastening bolt (6); the fastening bolt (6) passes through the threaded hole (7) and is threadedly connected to the inner wall of the threaded hole (7).
4. A welded motor housing according to claim 1, characterized in that: The plug-in block (15) is truncated cone-shaped and fixedly mounted on the surface of the second welding edge (9); one end of the plug-in block (15) is slidably inserted into the plug-in slot (16), and the longitudinal section of the plug-in slot (16) is trapezoidal.
5. The welded motor housing according to claim 1, characterized in that: A plurality of heat sinks (10) are provided and fixedly mounted on the outer walls of the first half shell (1) and the second half shell (2).
6. A welded motor housing according to claim 1, characterized in that: The cooling chambers (11) are provided with a plurality of cooling chambers (11) and are fixedly mounted on the inner side walls of the first half shell (1) and the second half shell (2), and a connecting pipe (12) is connected between each cooling chamber (11) located inside the first half shell (1) and the second half shell (2).
7. The welded motor housing according to claim 1, characterized in that: An injection hole (13) is provided on the outer wall of the first half shell (1) and the second half shell (2) close to one of the cooling chambers (11), and a sealing plug (14) is installed at one end of the two injection holes (13).
