Electric vehicle motor fastening structure
The combined design of extrusion parts, protective shells and adjustment mechanisms solves the problem of suboptimal fastening of electric vehicle motors, achieving more stable motor installation and labor-saving disassembly and maintenance.
Patent Information
- Application Number
- CN202422416573.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-08
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-10-08
AI Technical Summary
The fastening method of traditional electric vehicle motors is not ideal, which makes them easy to loosen during bumps and makes disassembly and maintenance difficult.
The motor end cover is fastened by using extrusion parts, protective shell and adjustment mechanism through the cooperation of screw and turntable, and is fixed by mounting sleeve and nut, combined with the buffer support design of spring and pressure ring.
The fastening effect of the motor is improved, the labor required for disassembly and installation is reduced, and the fixing stability and maintenance convenience of the motor are enhanced.
Smart Images

Figure CN223428239U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to motor installation technical field especially relates to a kind of electric vehicle motor fastening structure. BACKGROUND
[0002] Electric vehicle motor refers to the driving motor for electric vehicle, according to its different use environment and use frequency, form is also different, and the characteristics of different form motor are not the same.Electric vehicle motor generally uses permanent magnet DC motor;
[0003] Traditional electric vehicle motor is mostly fastened and connected by bolt, and the electric vehicle motor is fastened and connected through main shaft and electric vehicle mounting frame, and the motor is mainly fixed with the mounting frame of electric vehicle through the end cover of motor, and the installation and fixation are relatively simple, in the process of moving and jolting on electric vehicle, the fastening effect of the motor needs to be improved, and the motor needs to be lifted and disassembled every time, which is relatively laborious. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving the shortcomings in prior art, and provides an electric vehicle motor fastening structure.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] An electric vehicle motor fastening structure, comprising a motor, an extrusion piece is installed at the motor end cover position of the motor, a protective shell is sleeved at the tail end of the motor, two adjusting mechanisms are installed on the outer wall of the protective shell, and the adjusting mechanisms are connected with the extrusion piece.
[0007] The outer wall of the protective shell is provided with a fixed part on one side, and the fixed part comprises two installation clamps fixed by bolts and nuts.
[0008] The utility model is further provided as follows: the extrusion piece comprises a cover body, a notch is formed in the outer wall of the cover body, and the connecting hole on the motor end cover is provided in correspondence with the notch.
[0009] The utility model is further provided as follows: two stop blocks are fixed on the inner wall of the cover body, and the stop blocks are provided in a shape matched with the recess of the motor end cover.
[0010] The utility model is further provided as follows: the adjusting mechanism comprises two installation seats fixed on the outer wall of the protective shell, screw holes are formed in the installation seats, threaded rods are connected in the screw holes, fixed ears corresponding to the threaded rods are fixed on the outer wall of the cover body, mounting holes are formed in the fixed ears for the threaded rods to pass through, end caps are fixed on one end of the threaded rods passing through the mounting holes, and the installation clamps are fixed on the outer wall of the installation seats.
[0011] The present invention is further configured as follows: a turntable is fixed to one end of the screw away from the extrusion piece.
[0012] The present invention is further configured as follows: a tail cover is fixed to one end of the protective shell away from the extrusion piece, and a spring is fixed to the inner wall of the tail cover, and a pressure ring is fixed to the other end of the spring. The tail cover, the pressure ring and the spring are arranged in the protective shell, and the arranged spring is connected to the pressure ring to squeeze the motor to play a buffering and supporting role.
[0013] The beneficial effects of the utility model are:
[0014] The utility model adopts the provided extrusion piece, protective shell and adjustment mechanism, so by rotating the turntable, the screw is rotated, and the extrusion piece can be tightly squeezed on the motor end cover of the motor, which plays a role in strengthening the fixation and protection. The provided two mounting sleeves are covered on the outer wall of the shaft sleeve of the electric vehicle wheel mounting and fixed by bolts and nuts. The motor end cover is installed at the position of the electric vehicle mounting frame by screws, which effectively solves the problem that the current fastening effect of the motor is not ideal and it is laborious to lift the motor during disassembly proposed in the background technology, thereby strengthening the installation and fixation of the motor to make it more secure. During disassembly, the screw is rotated to move the cover body toward the protective shell, so that the motor moves laterally. There is no need to remove the motor end cover for cleaning and local oiling, which is more labor-saving and convenient. It can be fixed again after completion.
[0015] The utility model provides a tail cover, a pressure ring and a spring in the protective shell. The spring is connected to the pressure ring to squeeze the motor and play a buffering and supporting role. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of an electric vehicle motor fastening structure proposed by the present invention;
[0017] Figure 2 This is a schematic diagram of a first partially expanded three-dimensional structure of an electric vehicle motor fastening structure proposed by the present invention;
[0018] Figure 3 This is a schematic diagram of a second partially expanded three-dimensional structure of an electric vehicle motor fastening structure proposed by the present invention;
[0019] Figure 4 This is a schematic diagram of the three-dimensional structure of an extruded part of an electric vehicle motor fastening structure proposed by the present invention.
[0020] In the figure: 1. Motor; 101. Motor end cover; 2. Extrusion piece; 201. Cover body; 202. Notch; 203. Stop block; 204. Fixing ear; 205. Mounting hole; 3. Protective shell; 4. Adjustment mechanism; 5. Mounting seat; 6. Screw; 7. Turntable; 8. Mounting jacket; 9. Tail cover; 10. Press ring; 11. Spring. DETAILED DESCRIPTION
[0021] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.
[0022] The following describes in detail embodiments of the present invention, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.
[0023] In the description of this patent, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings. They are only for the convenience of describing this patent and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on this patent.
[0024] In the description of this patent, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," and "set" should be understood in a broad sense. For example, they can refer to fixed connection or set, detachable connection or set, or integral connection or set. Those skilled in the art will understand the specific meanings of the above terms in this patent based on the specific circumstances.
[0025] Reference Figure 1-4 An electric vehicle motor fastening structure includes a motor 1, an extrusion piece 2 is installed at the motor end cover 101 of the motor 1, a protective shell 3 is provided at the tail end of the motor 1, and two adjustment mechanisms 4 are installed on the outer wall of the protective shell 3, and the adjustment mechanisms 4 are connected to the extrusion piece 2;
[0026] One side of the outer wall of the protective shell 3 is provided with a fixing member, and the fixing member includes two mounting jackets 8 which are fixed to each other by bolts and nuts.
[0027] Specifically, the extrusion member 2 includes a cover body 201 . A notch 202 is formed on the outer wall of the cover body 201 . The connection hole on the motor end cover 101 is arranged corresponding to the notch 202 .
[0028] Specifically, two stoppers 203 are fixed to the inner wall of the cover 201 , and the stoppers 203 are configured to have a shape that matches the concave shape of the motor end cover 101 .
[0029] Specifically, the adjustment mechanism 4 includes two mounting seats 5 fixed on the outer wall of the protective shell 3, a screw hole is opened in the mounting seat 5, and a screw 6 is threadedly connected to the screw hole, the outer wall of the cover body 201 is fixed with a fixing ear 204 corresponding to the screw 6, and the fixing ear 204 is opened with a mounting hole 205 for the screw 6 to pass through, and an end cap is fixed at one end of the screw 6 passing through the mounting hole 205, and the mounting sleeve 8 is fixed to the outer wall of the mounting seat 5.
[0030] Specifically, a rotary disc 7 is fixed to one end of the screw 6 away from the extrusion piece 2 .
[0031] Specifically, a tail cover 9 is fixed to one end of the protective shell 3 away from the extrusion part 2, and a spring 11 is fixed to the inner wall of the tail cover 9, and a pressure ring 10 is fixed to the other end of the spring 11. The tail cover 9, the pressure ring 10 and the spring 11 are arranged in the protective shell 3. The arranged spring 11 is connected to the pressure ring 10 to squeeze the motor 1 and play a buffering and supporting role.
[0032] Working principle: by providing an extrusion piece 2, a protective shell 3 and an adjusting mechanism 4, wherein the extrusion piece 2 includes a cover body 201, a notch 202 and a stopper 203, which can better fit the motor end cover 101, and the adjusting mechanism 4 includes a mounting seat 5, a screw 6, a turntable 7 and an end cap, etc. By rotating the turntable 7, the screw 6 is rotated, and the extrusion piece 2 can tightly squeeze the motor end cover 101 on the motor 1, which plays a role in strengthening the fixed protection. The two mounting sleeves 8 are covered on the outer wall of the shaft sleeve of the electric vehicle wheel and fixed by bolts and nuts. The motor end cover 101 is installed at the position of the electric vehicle mounting frame by screws, which strengthens the installation and fixation of the motor 1 and makes it more tight. In the above design, the bolts and nuts on the mounting sleeve 8 can be removed first, and the screws on the motor end cover 101 can be removed. The screw 6 is rotated to move the cover body 201 toward the protective shell 3, so that the motor 1 moves laterally. There is no need to remove the motor end cover 101 for cleaning and local oiling, which is more labor-saving and convenient. It can be fixed again after completion.
[0033] Furthermore, a tail cover 9, a pressure ring 10 and a spring 11 are provided in the protective shell 3. The spring 11 is connected to the pressure ring 10 to squeeze the motor 1 and play a buffering and supporting role.
[0034] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. An electric vehicle motor fastening structure, comprising a motor (1), characterized in that: An extrusion piece (2) is installed at the motor end cover (101) of the motor (1), a protective shell (3) is provided at the tail end of the motor (1), two adjustment mechanisms (4) are installed on the outer wall of the protective shell (3), and the adjustment mechanisms (4) are connected to the extrusion piece (2); A fixing piece is installed on one side of the outer wall of the protective shell (3), and the fixing piece includes two mounting jackets (8) connected and fixed to each other by bolts and nuts.
2. The electric vehicle motor fastening structure according to claim 1, characterized in that: The extruded part (2) comprises a cover body (201), an outer wall of the cover body (201) is provided with a notch (202), and the connection hole on the motor end cover (101) is arranged corresponding to the notch (202).
3. The electric vehicle motor fastening structure according to claim 2, characterized in that: Two stoppers (203) are fixed to the inner wall of the cover body (201), and the stoppers (203) are configured to have a shape that matches the concave shape of the motor end cover (101).
4. The electric vehicle motor fastening structure according to claim 3, characterized in that: The adjustment mechanism (4) comprises two mounting seats (5) fixed to the outer wall of the protective shell (3), a screw hole is provided in the mounting seat (5), and a screw rod (6) is threadedly connected to the screw hole, a fixing ear (204) corresponding to the screw rod (6) is fixed to the outer wall of the cover body (201), and a mounting hole (205) for the screw rod (6) to pass through is provided on the fixing ear (204), and an end cap is fixed to one end of the screw rod (6) passing through the mounting hole (205), and the mounting sleeve (8) is fixed to the outer wall of the mounting seat (5).
5. The electric vehicle motor fastening structure according to claim 4, characterized in that: A rotating disk (7) is fixed to one end of the screw (6) away from the extrusion piece (2).
6. The electric vehicle motor fastening structure according to claim 5, characterized in that: A tail cover (9) is fixed to one end of the protective shell (3) away from the extrusion piece (2), and a spring (11) is fixed to the inner wall of the tail cover (9), and a pressure ring (10) is fixed to the other end of the spring (11).