Rear cover and fan cover integrated structure
By designing the integrated structure of the rear cover and the air hood, the coordination of fixing bolts and exhaust holes is used to solve the problem that the air hood cannot be installed on the rear cover of the motor, tight connection and efficient heat dissipation are achieved, shortening the motor structure and improving the heat dissipation effect.
Patent Information
- Application Number
- CN202421013085.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-11
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-11
AI Technical Summary
The existing motor back cover cannot be equipped with an air hood, resulting in insufficient heat dissipation and affecting the normal use of the motor. In addition, some motor back covers can be installed with air hood, but the protruding structure of the air hood increases the volume of the overall structure.
Design a structure of an integrated structure of the rear cover and air hood. By setting a foot and installation hole at the bottom of the rear cover, the air hood window is roundly shaped, with air exhaust holes on the surface, and fixing bolts are used to match the fixing bolts. Fix the air hood in the rear cover to achieve a close connection between the air hood and the rear cover, shorten the overall structure, and improve the heat dissipation effect through the air exhaust hole.
The tight connection between the air hood and the rear cover is achieved, shortening the overall structure of the motor, providing additional heat dissipation space and surface, and improving the heat dissipation effect of the motor.
Smart Images

Figure CN222262345U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of motor accessories, in particular to an integrated structure of a rear cover and a wind shield. Background Art
[0002] A motor is an electromagnetic device that converts or transmits electrical energy according to the law of electromagnetic induction, or converts one form of electrical energy into another. A motor generally includes a housing and a rotor installed in the housing, with a motor back cover installed at the end of the housing.
[0003] The motor back cover is an accessory in the motor. The patent document with publication number CN216362270U discloses a motor back cover, including a back cover body, a bearing is placed in the circular groove opened on the front surface of the back cover body, and the extension plate installed on the bearing surface is located inside the circular groove, and a positioning mechanism is installed at the transverse groove opened on the back cover body, and the positioning mechanism includes an operating disk; the extension plate connected to the bearing is embedded in the circular groove opened on the back cover body, and the operating disk inside the positioning mechanism is turned clockwise. The rotating plate connected to the main shaft can be rotated by the operating disk, and the rotating plate can slide along the inclined surface of the extrusion block. During the sliding process of the rotating plate, the insertion rod connected to the extrusion block will be pushed to be inserted into the insertion hole of the extension plate. When the rotating plate rotates to the anti-slip groove of the extrusion block, it stops rotating. In this way, it is convenient for the staff to fix the bearing on the back cover body, avoid the step of using bolts to fix, and increase the efficiency of the staff. However, the rear cover of this motor cannot be equipped with a fan cover, so the heat dissipation of the motor cannot be achieved, which affects the normal use of the motor. In addition, the rear cover of some existing motors can be equipped with a fan cover, but the fan cover is mostly a protruding structure, which increases the overall structure of the motor. Utility Model Content
[0004] (1) Technical issues to be resolved
[0005] The utility model provides an integrated structure of a rear cover and a fan hood, which overcomes the problem that the fan hood cannot be installed on the rear cover of some existing motors, the heat dissipation of the motor cannot be achieved, and the normal use of the motor is affected; and the fan hood can be installed on the rear cover of some existing motors, but the fan hood is mostly a protruding structure, which increases the disadvantage of the overall structure of the motor.
[0006] (2) Technical solution
[0007] In order to solve the above technical problems, the utility model provides an integrated structure of a rear cover and a wind hood, including a rear cover and a wind hood, the bottom of the rear cover is provided with a base, the base is provided with a mounting hole, the wind hood includes a wind hood window and an extension portion extending outward from the outer periphery of the wind hood window, the wind hood window is in the shape of a circular boss and has a plurality of exhaust holes on the surface, the shape of the extension portion is adapted to the inner wall of the rear cover, fixing columns are respectively provided at the four corners of the inner wall of the rear cover, a first fixing hole is provided on the fixing column, a second fixing hole is provided at a position of the extension portion corresponding to the first fixing hole, and the wind hood is fixed in the rear cover by the cooperation between the fixing bolts and the first fixing hole and the second fixing hole.
[0008] Preferably, the number of the base feet is two and they are symmetrically distributed.
[0009] Preferably, the exhaust holes are square holes.
[0010] Preferably, a plurality of the exhaust holes are arranged to form a heart shape.
[0011] Preferably, the wind shield window is made of plastic material. Beneficial Effects
[0012] The utility model provides a rear cover and fan cover integrated structure, which overcomes the disadvantages that some existing motor rear covers cannot be installed with fan covers, cannot achieve heat dissipation of the motor, and affect the normal use of the motor, and some motor rear covers can be installed with fan covers, but the fan covers are mostly protruding structures, which increases the overall structure of the motor. Compared with the prior art, the utility model has the following beneficial effects:
[0013] 1. The fan cover is fixed in the rear cover by the cooperation between the bolts and the first fixing holes and the second fixing holes, without adding additional space for installing the fan cover, thus realizing an integrated connection between the fan cover and the rear cover, and shortening the overall structure of the motor.
[0014] 2. The wind hood window is in the shape of a circular boss, which does not extend beyond the rear cover. The boss-shaped setting provides a certain heat dissipation space and improves the heat dissipation effect.
[0015] 3. There are several exhaust holes on the surface of the wind cover window, which can realize the heat dissipation during the operation of the motor. The exhaust holes are square holes, and several exhaust holes are arranged to form a heart shape. This arrangement greatly increases the heat dissipation surface and improves the heat dissipation effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a front three-dimensional structural schematic diagram of the utility model.
[0017] Figure 2 It is a side perspective structural schematic diagram of the utility model.
[0018] The figures are marked as: 1-rear cover, 11-base, 111-installation hole, 12-fixing column, 121-first fixing hole, 2-wind hood, 21-wind hood window, 211-exhaust hole, 22-extension part, 221-second fixing hole. DETAILED DESCRIPTION
[0019] The utility model is further described in conjunction with the accompanying drawings and embodiments.
[0020] like Figure 1 , 2 As shown, the utility model describes an integrated structure of a rear cover and a hood, comprising a rear cover 1 and a hood 2, wherein the rear cover 1 is provided with a base foot 11 at the bottom, and a mounting hole 111 is provided on the base foot 11, and the hood 2 comprises a hood window 21 and an extension portion 22 extending outward from the outer periphery of the hood window 21, wherein the hood window 21 is in the shape of a circular boss and a plurality of exhaust holes 211 are provided on the surface, and the shape of the extension portion 22 is adapted to the inner wall of the rear cover 1, and fixing columns 12 are respectively provided at the four corners of the inner wall of the rear cover 1, and a first fixing hole 121 is provided on the fixing column 12, and a second fixing hole 221 is provided on the extension portion 22 at a position corresponding to the first fixing hole 121, and the hood 2 is fixed in the rear cover 1 by the cooperation between fixing bolts and the first fixing hole 121 and the second fixing hole 221.
[0021] There are two base feet 11 and they are symmetrically distributed. The exhaust holes 211 are square holes. A plurality of the exhaust holes 211 are arranged to form a heart shape. The wind shield window 21 is made of plastic.
[0022] The fan hood 2 is fixed in the rear cover 1 by the cooperation between the bolts and the first fixing holes 121 and the second fixing holes 221. There is no need to increase the space for installing the fan hood 2. The fan hood 2 is connected to the rear cover 1 in an integrated manner, which can shorten the overall structure of the motor. The fan hood window 21 is in the shape of a circular boss, and the boss does not extend beyond the rear cover 1. The boss-shaped setting provides a certain heat dissipation space and improves the heat dissipation effect. A plurality of exhaust holes 211 are provided on the surface of the fan hood window 21, which can realize the heat dissipation during the operation of the motor. The exhaust holes 211 are square holes. A plurality of the exhaust holes 211 are arranged to form a heart shape. Such a setting greatly increases the heat dissipation surface and improves the heat dissipation effect.
[0023] The above-mentioned embodiments only express the preferred implementation of the utility model, and the description is relatively specific and detailed, but the utility model is not limited to these embodiments. It should be pointed out that for ordinary technicians in this field. Under the premise of not departing from the purpose of the utility model, any improvement made shall fall within the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.
Claims
1. A rear cover and wind shield integrated structure, characterized in that: The invention comprises a rear cover (1) and a wind shield (2), wherein a foot (11) is provided at the bottom of the rear cover (1), and a mounting hole (111) is provided on the foot (11); the wind shield (2) comprises a wind shield window (21) and an extension portion (22) extending outward from the outer periphery of the wind shield window (21); the wind shield window (21) is in the shape of a circular boss and has a plurality of exhaust holes (211) provided on the surface; the shape of the extension portion (22) is adapted to the inner wall of the rear cover (1); fixing columns (12) are respectively provided at the four corners of the inner wall of the rear cover (1), and a first fixing hole (121) is provided on the fixing column (12); a second fixing hole (221) is provided at a position corresponding to the first fixing hole (121) on the extension portion (22); and the wind shield (2) is fixed in the rear cover (1) by means of a fixing bolt that cooperates with the first fixing hole (121) and the second fixing hole (221).
2. The integrated structure of rear cover and wind shield according to claim 1, characterized in that: The number of the base feet (11) is two and they are symmetrically distributed.
3. The integrated structure of rear cover and wind shield according to claim 1, characterized in that: The exhaust hole (211) is a square hole.
4. The integrated structure of rear cover and wind shield according to claim 3, characterized in that: A plurality of the exhaust holes (211) are arranged to form a heart shape.
5. The integrated structure of rear cover and wind shield according to claim 1, characterized in that: The wind shield window (21) is made of plastic material.