Motor casting end cover
By precisely aligning the irregularly shaped stage and the irregularly shaped cut, and through the design of the clamping components, the problems of installation errors and loosening of the motor casting end caps were solved, achieving a stable connection between the end caps and the main structure, and improving the motor's operational reliability and installation efficiency.
Patent Information
- Application Number
- CN202520360644.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-04
AI Technical Summary
Traditional motor casting end caps have large installation errors and are prone to loosening, which affects motor operating efficiency and poses safety hazards, resulting in low installation efficiency.
The design employs precise alignment of the irregularly shaped stage and the irregularly shaped cut, along with clamping components, to ensure the stability and robustness of the end cap and the main structure. The trapezoidal fit between the irregularly shaped stage and the irregularly shaped cut increases the contact area and locking force, while the clamping components prevent the end cap from loosening.
Reduce installation errors, improve the stability and robustness of the end cover and the main structure, prevent the end cover from rotating, simplify the installation process, and improve the overall stability and installation efficiency of the machine.
Smart Images

Figure CN223858953U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to motor casting end cover technical field, concretely relates to a motor casting end cover. BACKGROUND
[0002] In the motor manufacturing field, the motor casting end cover as an important component of the motor, its stability and firmness are directly related to the overall performance and operation reliability of the motor.
[0003] The traditional end cover and the main body structure connection mode often has some problems, such as big installation error, end cover easy to loosen, etc., these problems not only influence the operation efficiency of the motor, but also can cause safety hazards. Meanwhile, when installing the end cover, one hand holds the end cover and the other hand screws the screw, which greatly reduces the installation efficiency. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a motor casting end cover to solve the installation error and installation efficiency problems in the prior art.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A motor casting end cover, containing the base and the end cover, the end cover is installed on one side of the base, one end of the base is equipped with the flange plate, one side of the flange plate is equipped with the sunken groove, the sunken groove is equipped with the positioning space, one end of the end cover is equipped with the cooperation group, the end cover is installed on the base through the cooperation group and the positioning space, and the flange plate is externally engaged with the clamping component when the end cover is installed on the base.
[0007] Further, the positioning space contains the special-shaped cutout, the special-shaped cutout is equidistantly arranged in the sunken groove, the upper end of the special-shaped cutout is equipped with the plane table, and the vertical counterbore groove is arranged on the plane table.
[0008] Further, the cooperation group contains the special-shaped table, the special-shaped table is equidistantly arranged on one end of the end cover, the number of the special-shaped table and the special-shaped cutout is corresponding, and the shape is mutually matched, the top end of the special-shaped table is equipped with the adhering surface that is mutually adhered with the plane table, the vertical screw hole is arranged on the adhering surface, and the screw hole and the counterbore groove are concentrically matched.
[0009] Further, the shape of the special-shaped cutout and the special-shaped table is trapezoidal. The trapezoidal cooperation has greater contact area and stronger locking force between them, so that the stability of connection is improved.
[0010] Further, the clamping component contains the upper plate, the outer side of the upper plate is equipped with a plurality of back plates, the lower side of the back plate is equipped with the engagement plate, and the distance between the bottom end of the upper plate and the top end of the engagement plate is equal to the thickness of the flange plate.
[0011] Further, the upper plate and the occlusal plate are in arc structure, the inner diameter surface of the upper plate is matched with the outer wall of the end cover, and the inner diameter surface of the occlusal plate is matched with the outer wall of the base.
[0012] Further, the upper plate is symmetrically provided with a connecting hole, and the surface of the flange plate is provided with a plurality of positioning holes which are concentrically matched with the connecting hole.
[0013] Further, the clamping component is installed in a staggered manner with the back plate and the counterbore groove.
[0014] The technical scheme of the utility model has the following beneficial effects:
[0015] 1. The precise alignment and matching of the special-shaped table and the special-shaped notch ensure the stability and firmness between the end cover and the main body structure, reduce the error in the installation process, and the cooperation of the special-shaped table and the special-shaped notch prevents the end cover from rotating in the flange plate, keeps the position unique, and improves the stability of the whole machine.
[0016] 2. The clamping component is installed on the flange plate, and at least two or more clamping components are installed, since the distance between the bottom end of the upper plate and the top end of the occlusal plate is equal to the thickness of the flange plate, the clamping component can preliminarily prevent the end cover from falling off from the counterbore groove, and then the end cover does not need to be supported, so as to facilitate the staff to install the bolt in the counterbore groove; meanwhile, the clamping component is also used for stabilizing the position of the end cover and preventing radial loosening. DRAWINGS
[0017] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will briefly introduce the drawings needed to be used in the embodiment description.
[0018] Figure 1 It is the overall structure schematic view of the utility model.
[0019] Figure 2 It is the split structure schematic view of the utility model.
[0020] Figure 3 It is the overall cross-sectional structure view of the utility model.
[0021] Figure 4 It is the half-split structure schematic view of the utility model.
[0022] Figure 5 It is the overall structure top view of the utility model.
[0023] Figure 6 It is the clamping component schematic view of the utility model.
[0024] Reference Signs: 10, machine base; 101, flange plate; 102, sunken groove; 103, special-shaped cutout; 104, flat table; 105, counterbore groove; 106, positioning hole; 11, end cover; 111, air hole; 112, special-shaped table; 113, fitting surface; 114, threaded hole; 20, clamping component; 201, upper plate; 202, back plate; 203, occlusion plate; 204, connecting hole. DETAILED DESCRIPTION
[0025] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model will be described in further detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and are not used to limit the utility model. Based on the examples in the utility model, all other examples obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0026] Example One
[0027] Reference Figure 1 A motor casting end cover, comprising a machine base 10 and an end cover 11, the end cover 11 is installed on one side of the machine base 10, one end of the machine base 10 is provided with a flange plate 101, and one side of the flange plate 101 is provided with a sunken groove 102; the tail end of the end cover 11 is provided with an air hole 111, the air hole 111 is used for ventilation and heat dissipation inside the machine base 10, the machine base 10 and the end cover 11 are installed, and one end of the end cover 11 is fitted in the sunken groove 102 provided on one side of the flange plate 101.
[0028] Reference Figures 1-4 The sunken groove 102 is provided with a positioning space, one end of the end cover 11 is provided with a matching group, and the end cover 11 is installed on the machine base 10 in cooperation with the positioning space through the matching group; the positioning space comprises a special-shaped cutout 103, the special-shaped cutout 103 is arranged equidistantly around in the sunken groove 102, the upper end of the special-shaped cutout 103 is provided with a flat table 104, and the flat table 104 is vertically provided with a counterbore groove 105;
[0029] The matching group comprises a special-shaped table 112, the special-shaped table 112 is arranged equidistantly around one end of the end cover 11, the number of the special-shaped table 112 and the special-shaped cutout 103 correspond to each other and the shapes thereof match each other, the top end of the special-shaped table 112 is provided with a fitting surface 113 which is fitted with the flat table 104, the fitting surface 113 is vertically provided with a threaded hole 114, and the threaded hole 114 and the counterbore groove 105 are concentrically matched.
[0030] In the above scheme, the installation of the end cover 11 aligns the special-shaped platform 112 to fit inside the special-shaped cutout 103. When the special-shaped platform 112 is completely fitted inside the special-shaped cutout 103, its flat platform 104 and the fitting surface 113 will also be kept in mutual fitting, that is, the position of each counterbore slot 105 and threaded hole 114 is kept concentric. A bolt is installed inside the counterbore slot 105 and screwed into the threaded hole 114 to complete the installation of the end cover 11. The precise alignment and fitting of the special-shaped platform 112 and the special-shaped cutout 103 ensure the stability and firmness between the end cover 11 and the main body structure; reduce the error in the installation process; at the same time, the cooperation of the special-shaped platform 112 and the special-shaped cutout 103 makes the end cover 11 unable to rotate inside the flange plate 101, keeps the position unique, and improves the stability of the whole machine.
[0031] Further, the shapes of the special-shaped cutout 103 and the special-shaped platform 112 are trapezoidal. The cooperation of the trapezoidal shapes produces a larger contact area and a stronger locking force between them, thereby improving the stability of the connection.
[0032] Embodiment Two (combined with Embodiment One):
[0033] Reference Figures 1-6 When the end cover 11 is installed with the base 10, the flange plate 101 is engaged with the clamping component 20 outside. The clamping component 20 includes an upper plate 201, a plurality of back plates 202 are provided outside the upper plate 201, and a clamping plate 203 is provided below the back plate 202. The distance between the bottom end of the upper plate 201 and the top end of the clamping plate 203 is equal to the thickness of the flange plate 101.
[0034] In the above scheme, when the special-shaped cutout 103 and the special-shaped platform 112 cooperate with each other, the clamping component 20 is installed on the flange plate 101 before the bolt is installed inside the counterbore slot 105. At least two or more clamping components 20 are installed, and since the distance between the bottom end of the upper plate 201 and the top end of the clamping plate 203 is equal to the thickness of the flange plate 101, the clamping component 20 can preliminarily prevent the end cover 11 from falling off the sink slot 102, and then there is no need to support the end cover 11, thereby facilitating the installation of the bolt inside the counterbore slot 105 by the staff. At the same time, the clamping component 20 is also used to stabilize the position of the end cover 11 and prevent radial loosening.
[0035] Further reference Figure 1 and Figure 6 The upper plate 201 and the clamping plate 203 are in an arc structure, the inner diameter surface of the upper plate 201 is mutually fitted with the outer wall of the end cover 11, and the inner diameter surface of the clamping plate 203 is mutually fitted with the outer wall of the base 10.
[0036] In further implementation, when the clamping component 20 is engaged with the flange plate 101, the arc structure of the upper plate 201 and the engaging plate 203 can make the clamping component 20 reach the required tightness more quickly during the engagement process, and improve the compactness of the overall structure.
[0037] Further reference Figure 1 、 Figure 2 and Figure 6 The upper plate 201 is symmetrically provided with a connecting hole 204, and the flange plate 101 is provided with a plurality of positioning holes 106 on the surface.
[0038] In further implementation, the inner wall of the positioning hole 106 is provided with threads, and when the clamping component 20 is engaged with the flange plate 101, the connecting hole 204 is aligned with the positioning hole 106, and a bolt is installed in the connecting hole 204 and screwed into the positioning hole 106, thereby completing the fixation of the clamping component 20.
[0039] Further reference Figure 1 When the clamping component 20 is installed, the back plate 202 is offset from the counterbore groove 105. The offset installation does not affect the bolt connection inside the counterbore groove 105.
[0040] The specific implementation process of the utility model is as follows:
[0041] The mounting of the end cover 11 aligns the special-shaped table 112 with the special-shaped notch 103, and when the special-shaped table 112 is completely attached to the special-shaped notch 103, the planar table 104 and the attached surface 113 will also be attached to each other, that is, the positions of each counterbore groove 105 and threaded hole 114 are concentric; the clamping component 20 is installed on the flange plate 101, and at least two or more clamping components 20 are installed, and since the distance between the bottom end of the upper plate 201 and the top end of the engaging plate 203 is equal to the thickness of the flange plate 101, the clamping component 20 can preliminarily avoid the end cover 11 from falling off the sink groove 102, and then the end cover 11 does not need to be held; a bolt is installed in the counterbore groove 105 and screwed into the threaded hole 114 to complete the installation of the end cover 11.
[0042] Finally, the connecting hole 204 is aligned with the positioning hole 106, and a bolt is installed in the connecting hole 204 and screwed into the positioning hole 106, thereby completing the fixation of the clamping component 20.
[0043] It should be noted that when the bolt is installed in the connecting hole 204 and screwed into the positioning hole 106, the bolt can be installed in the counterbore groove 105 before.
[0044] The above examples are only exemplary embodiments of the present application, and are not used to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications or equivalent replacements can be made to the present application within the spirit and protection scope of the present application. The modifications or equivalent replacements should also be considered to fall within the protection scope of the present application.
[0045] In the description of the present application, it should be explained that the directions or position relations indicated by the terms "inner", "front", "rear", "left", "right" and the like are based on the directions or position relations shown in the drawings, or the directions or position relations in which the product of the present application is usually placed, and are only used for facilitating the description of the present application and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms indicating the directions or position relations should not be understood as a limitation on the present application.
[0046] In the description of the present application, it should be further explained that, unless otherwise explicitly specified and limited, the terms "arranged", "connected" should be understood in a broad sense, for example, these terms can represent fixed connection, detachable connection or integral connection between elements; can also represent mechanical connection, electrical connection; can also represent direct connection or indirect connection through an intermediate medium. Those skilled in the art can understand the specific meanings of these terms in the present application according to specific circumstances.
Claims
1. An electric machine casting end cover comprising a frame (10) and an end cover (11) mounted on one side of the frame (10), characterized in that: The frame (10) is provided with a flange (101) at one end, and a sunken groove (102) is formed on one side of the flange (101); The sunken groove (102) is provided with a positioning space, and the end cover (11) is provided with a matching group at one end, and the end cover (11) is installed on the frame (10) by matching with the positioning space through the matching group. The flange (101) is engaged with the clamping component when the end cover (11) is installed on the frame (10).
2. An electrical machine casting end cover according to claim 1, characterized in that: The positioning space comprises a special-shaped notch (103), which is arranged equidistantly around the sunken groove (102), and the upper end of the special-shaped notch (103) is provided with a flat table (104), and a counterbore groove (105) is vertically formed on the flat table (104).
3. An electrical machine casting end cover according to claim 2, characterized in that: The matching group comprises a special-shaped table (112), which is arranged equidistantly around one end of the end cover (11), and the number and shape of the special-shaped table (112) correspond to and match the special-shaped notch (103), and the top end of the special-shaped table (112) is provided with a matching surface (113) which matches the flat table (104), and a threaded hole (114) is vertically formed on the matching surface (113), and the threaded hole (114) and the counterbore groove (105) are concentrically matched.
4. An electrical machine casting end cover according to claim 3, characterized in that: The shapes of the special-shaped notch (103) and the special-shaped table (112) are trapezoidal.
5. An electrical machine casting end cover according to claim 4, characterized in that: The clamping component (20) comprises an upper plate (201), and a plurality of back plates (202) are arranged on the outer side of the upper plate (201), and a clamping plate (203) is arranged below the back plate (202), and the distance between the bottom end of the upper plate (201) and the top end of the clamping plate (203) is equal to the thickness of the flange (101).
6. An electrical machine casting end cover according to claim 5, characterized in that: The upper plate (201) and the clamping plate (203) are in arc-shaped structure, the inner diameter surface of the upper plate (201) matches the outer wall of the end cover (11), and the inner diameter surface of the clamping plate (203) matches the outer wall of the frame (10).
7. An electrical machine casting end cover according to claim 6, characterized in that: A plurality of connecting holes (204) are symmetrically formed on the upper plate (201), and a plurality of positioning holes (106) are formed on the surface of the flange (101), and the positioning holes (106) and the connecting holes (204) are concentrically matched.
8. A motor casting end cover according to claim 6, characterized in that: The back plate (202) is staggered with the counterbore groove (105) when the clamping component (20) is installed.