Vibration reduction end cover of motor

Abstract

The utility model relates to the technical field of motor end covers, in particular to a vibration reduction end cover of a motor, which comprises a motor shell, a motor rotor is arranged on the surface of the motor shell, an end cover body is fixedly mounted on the surface of the motor shell, and a fixing seat is fixedly connected onto the surface of the motor shell. A movable plate is rotationally connected to the surface of the fixed seat, a limiting plate is fixedly connected to the surface of the movable plate, and a fixed plate is fixedly connected to the surface of the end cover body. The movable plate is rotated on the fixed seat, so that the limiting plate is clamped and connected to the clamping groove of the fixed plate, and then the first bolt penetrates through the circular hole of the fixed plate, so that the first bolt is in threaded connection to the threaded groove of the limiting plate; the movable plate and the limiting plate limit the position of the end cover body on the motor shell through the fixed plate, so that the phenomenon that the end cover body vibrates on the motor shell is avoided, and noise is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor end cover technical field, concretely is a kind of vibration damping end cover of motor. BACKGROUND

[0002] Motor end cover is one of the external protection components of motor, usually installed at the both ends of the shell of motor. It plays a variety of roles such as closing the inside of motor, fixing rotor, reducing vibration and noise. The design and material selection of motor end cover are of great significance to ensure the normal operation of motor and prolong its service life.

[0003] The end cover of motor is fixedly installed on the motor shell by bolt, when the bolt of motor is loose, it will cause the connection between end cover and motor shell to become unstable, and then make the motor in the process of use, cause the vibration phenomenon of end cover in motor shell, make the sound of motor end cover. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of vibration damping end cover of motor, to solve the problem that the sound of motor end cover is made when the bolt of motor is loose, it will cause the connection between end cover and motor shell to become unstable, and then make the motor in the process of use, cause the vibration phenomenon of end cover in motor shell.

[0005] To achieve the above object, the utility model provides the following technical scheme, a kind of vibration damping end cover of motor: including motor shell, the surface of the motor shell is provided with motor rotor, the surface of the motor shell is fixedly installed with end cover body, the surface of the motor shell is fixedly connected with fixed seat, the surface of the fixed seat is rotatably connected with movable plate, the surface of the movable plate is fixedly connected with limit plate, the surface of end cover body is fixedly connected with fixed plate, the surface of the limit plate is screw-connected with first bolt, the surface of the motor shell is screw-connected with second bolt, the surface of the motor shell is fixedly connected with limit block, the surface of the end cover body is fixedly connected with limit rod.

[0006] Preferably, the limit plate is rotated on the surface of fixed seat by movable plate, and the limit plate and movable plate are perpendicular to each other.

[0007] Preferably, screw hole is formed in the surface of the limit plate, and the first bolt is screw-connected in the screw hole of the limit plate.

[0008] Preferably, clamping groove is formed in the surface of the fixed plate, and the limit plate is clamped and connected in the clamping groove of the fixed plate.

[0009] Preferably, a circular hole is formed on the clamping groove of the fixed plate, the first bolt is screwed through the circular hole of the fixed plate and the limiting plate, and the first bolt is fixedly installed on the clamping groove of the fixed plate.

[0010] Preferably, a mounting hole is formed on the surface of the end cover body, a threaded hole is formed on the surface of the motor shell, the second bolt is inserted through the mounting hole of the end cover body, the second bolt is screwed on the threaded hole of the motor shell, and the second bolt is fixedly installed on the surface of the motor shell.

[0011] Preferably, a limiting hole is formed on the surface of the limiting block, and the limiting rod is in the shape of L, and the limiting rod is inserted into the limiting hole of the limiting block.

[0012] Compared with the prior art, the end cover has the beneficial effects that:

[0013] 1. The end cover, the second bolt is inserted through the mounting hole of the end cover body and is screwed on the motor shell, the movable plate is rotated on the fixed seat, the limiting plate is clamped and connected on the clamping groove of the fixed plate, the first bolt is inserted through the circular hole of the fixed plate, the first bolt is screwed on the threaded groove of the limiting plate, when the second bolt is loose, the movable plate and the limiting plate limit the position of the end cover body on the motor shell through the fixed plate, thereby avoiding the vibration of the end cover body on the motor shell, and further avoiding the generation of noise.

[0014] 2. The end cover, in the process of installing the end cover body, the limiting block is inserted through the limiting hole of the limiting rod, at this time, the limiting rod limits the installation position of the end cover body on the motor shell through the limiting block, the screw thread connection of the second bolt on the motor shell is facilitated, the friction between the second bolt and the mounting hole of the end cover body is reduced, thereby avoiding the shaking of the end cover body on the motor shell, and the stability of the end cover body is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure front view schematic diagram of the utility model;

[0016] Figure 2 It is a structure front view schematic diagram of the utility model;

[0017] Figure 3 It is a structure top view partial schematic diagram of the utility model;

[0018] Figure 4 It is a structure front view schematic diagram of the utility model;

[0019] Figure 5 It is a structure front view schematic diagram of the utility model; Figure 3 enlarged structure schematic diagram of A place in the utility model.

[0020] In the figure: 1, motor housing; 11, end cover body; 12, motor rotor; 2, fixed seat; 21, movable plate; 22, limiting plate; 23, fixed plate; 24, first bolt; 25, second bolt; 26, limiting block; 27, limiting rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-5 An embodiment provided by the utility model:

[0023] A damping end cover of a motor, comprising a motor housing 1, a motor rotor 12 is arranged on the surface of the motor housing 1, an end cover body 11 is fixedly installed on the surface of the motor housing 1, a fixed seat 2 is fixedly connected on the surface of the motor housing 1, a movable plate 21 is rotatably connected on the surface of the fixed seat 2, a limiting plate 22 is fixedly connected on the surface of the movable plate 21, a fixed plate 23 is fixedly connected on the surface of the end cover body 11, a first bolt 24 is threadedly connected on the surface of the limiting plate 22, a second bolt 25 is threadedly connected on the surface of the motor housing 1, a limiting block 26 is fixedly connected on the surface of the motor housing 1, a limiting rod 27 is fixedly connected on the surface of the end cover body 11, the end cover body 11 is installed on the surface of the motor housing 1 through the second bolt 25, when the second bolt 25 is loose, the position of the end cover body 11 is also limited on the motor housing 1 through the fixed plate 23 and the limiting plate 22, the possibility of vibration of the end cover body 11 on the motor housing 1 is avoided, and the generation of noise is avoided, at the same time, the position of the end cover body 11 on the motor housing 1 is limited by the limiting block 26 and the limiting rod 27, thereby the friction effect of the second bolt 25 on the thread of the mounting hole of the end cover body 11 is reduced, and the phenomenon of shaking of the end cover body 11 on the motor housing 1 is avoided.

[0024] Further, the fixed plate 23 is rotated on the surface of the fixed seat 2 through the movable plate 21, the limiting plate 22 and the movable plate 21 are perpendicular to each other, the limiting plate 22 and the movable plate 21 can be rotated on both sides of the motor housing 1 through the fixed seat 2, and the rotation angle is one hundred and eighty degrees.

[0025] Further, a threaded hole is formed on the surface of the limiting plate 22, the first bolt 24 is threadedly connected to the threaded hole of the limiting plate 22, the first bolt 24 and the second bolt 25 are not in the same horizontal plane, thereby facilitating the installation of the first bolt 24 on the fixing plate 23.

[0026] Further, a clamping groove is formed on the surface of the fixing plate 23, the limiting plate 22 is clamped and connected to the clamping groove of the fixing plate 23, at this time, the movable plate 21 cannot slide towards the fixing plate 23, and the limiting plate 22 is parallel to the end cover body 11 at this time.

[0027] Further, a circular hole is formed on the clamping groove of the fixing plate 23, the first bolt 24 penetrates the circular hole of the fixing plate 23 and is threadedly connected to the limiting plate 22, the first bolt 24 is fixedly installed on the clamping groove of the fixing plate 23, the positions of the movable plate 21 and the limiting plate 22 on the motor shell 1 limit the position of the end cover body 11, thereby the position of the end cover body 11 will not change after the second bolt 25 is loosened, and vibration of the end cover body 11 on the motor shell 1 is avoided.

[0028] Further, an installation hole is formed on the surface of the end cover body 11, a threaded hole is formed on the surface of the motor shell 1, the second bolt 25 penetrates the installation hole of the end cover body 11, the second bolt 25 is threadedly connected to the threaded hole of the motor shell 1, the second bolt 25 is fixedly installed on the surface of the motor shell 1, and a threaded friction is formed between the second bolt 25 and the installation hole of the end cover body 11.

[0029] Further, a limiting hole is formed on the surface of the limiting block 26, the limiting rod 27 is in the shape of "L", the limiting rod 27 is inserted into the limiting hole of the limiting block 26, four sets of the limiting block 26 and the limiting rod 27 are provided, the limiting block 26 and the limiting rod 27 limit the position of the end cover body 11 on the surface of the motor shell 1, the threaded friction between the second bolt 25 and the installation hole of the end cover body 11 is reduced, and the shaking of the end cover body 11 on the motor shell 1 is avoided under the limitation of the limiting block 26 and the limiting rod 27.

[0030] Working principle: the second bolt 25 penetrates the installation hole of the end cover body 11 and is threadedly connected to the motor shell 1, the movable plate 21 is rotated on the fixing seat 2, the limiting plate 22 is clamped and connected to the clamping groove of the fixing plate 23, the first bolt 24 penetrates the circular hole of the fixing plate 23, and the first bolt 24 is threadedly connected to the threaded groove of the limiting plate 22, when the second bolt 25 is loosened, the movable plate 21 and the limiting plate 22 limit the position of the end cover body 11 on the motor shell 1 through the fixing plate 23, thereby the vibration of the end cover body 11 on the motor shell 1 is avoided, and the generation of noise is avoided.

[0031] In the process of installing the end cover body 11, the limiting block 26 is penetrated through the limiting hole of the limiting rod 27, at this time, the limiting rod 27 limits the installation position of the end cover body 11 on the motor shell 1 through the limiting block 26, which facilitates the threaded connection of the second bolt 25 on the motor shell 1, reduces the threaded friction between the second bolt 25 and the installation hole of the end cover body 11, avoids the shaking phenomenon of the end cover body 11 on the motor shell 1, and improves the stability of the end cover body 11.

[0032] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments but can be implemented in other embodiments without departing from the scope of the present application. The embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No reference signs in the claims should be considered as limiting the scope of the claims.

Claims

1. A vibration damping end cover for an electric motor, comprising an electric motor housing (1), wherein an electric motor rotor (12) is disposed on the surface of the electric motor housing (1), characterized in that: An end cover body (11) is fixedly installed on the surface of the motor housing (1). A fixed seat (2) is fixedly connected to the surface of the motor housing (1). A movable plate (21) is rotatably connected to the surface of the fixed seat (2). A limit plate (22) is fixedly connected to the surface of the movable plate (21). A fixed plate (23) is fixedly connected to the surface of the end cover body (11). A first bolt (24) is threadedly connected to the surface of the limit plate (22). A second bolt (25) is threadedly connected to the surface of the motor housing (1). A limit block (26) is fixedly connected to the surface of the motor housing (1). A limit rod (27) is fixedly connected to the surface of the end cover body (11).

2. The vibration damping end cover for an electric motor according to claim 1, characterized in that: The limiting plate (22) rotates on the surface of the fixed seat (2) via the movable plate (21), and the limiting plate (22) and the movable plate (21) are perpendicular to each other.

3. The vibration damping end cover for an electric motor according to claim 1, characterized in that: The limiting plate (22) has a threaded hole on its surface, and the first bolt (24) is threadedly connected to the threaded hole of the limiting plate (22).

4. The vibration damping end cover for an electric motor according to claim 3, characterized in that: The surface of the fixing plate (23) is provided with a slot, and the limiting plate (22) is engaged and connected to the slot of the fixing plate (23).

5. The vibration damping end cover for an electric motor according to claim 4, characterized in that: The slot of the fixing plate (23) has a circular hole. The first bolt (24) passes through the circular hole of the fixing plate (23) and is threaded to the limiting plate (22). The first bolt (24) fixes the limiting plate (22) on the slot of the fixing plate (23).

6. The vibration damping end cover for an electric motor according to claim 2, characterized in that: The end cap body (11) has an installation hole on its surface, and the motor housing (1) has a threaded hole on its surface. The second bolt (25) passes through the installation hole of the end cap body (11) and is threadedly connected to the threaded hole of the motor housing (1). The second bolt (25) fixes the end cap body (11) on the surface of the motor housing (1).

7. The vibration damping end cover for an electric motor according to claim 6, characterized in that: The limiting block (26) has a limiting hole on its surface, and the limiting rod (27) is in the shape of an "L" and is inserted into the limiting hole of the limiting block (26).

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