Micromotor commutator insert

Abstract

The utility model discloses a micromotor commutator insert, which comprises a base body and a plurality of insert bodies, a plurality of mounting grooves are arranged on the outer wall of the base body, the insert bodies are connected with the mounting grooves through an insertion mechanism, a cavity is arranged in the base body, a screw is rotatably arranged in the cavity, a movable block is sleeved on the screw in a threaded manner, and the movable block is connected with the insert bodies in a threaded manner. A plurality of movable rods are arranged in the cavity, the movable rods are connected with the movable blocks through contact mechanisms, the movable rods are connected with the insertion piece body through limiting mechanisms, openings are formed in the movable rods, sliding rods are arranged in the openings, and the sliding rods are slidably sleeved with fixing plates through elastic mechanisms; and the end part of the fixed plate is fixedly connected with the inner bottom wall of the cavity. According to the utility model, the mounting groove is arranged on the base, the insertion plate is arranged on the insertion sheet body, and the movable rod, the limiting block and other components are arranged, so that the insertion sheet body can be conveniently disassembled and assembled relative to the base, and the stability of the insertion sheet body in a mounting state is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of commutators, in particular to a commutator insert for a micro motor. Background Art

[0002] The micromotor commutator insert is an important component in the micromotor. The commutator is a device for energy exchange between the rotating part and the stationary part of the micromotor. Its function is to allow the motor to rotate continuously. The insert is a component of the commutator and is usually made of conductive material.

[0003] The commutator of a micromotor is an important component of the micromotor. Its function is to transfer current from the stator of the motor to the rotor, thereby realizing the commutation of the motor. The commutator segments of the traditional commutator adopt an integrated design. It is impossible to replace a single worn commutator segment later, which makes the entire commutator unusable and causes a waste of resources. In order to improve it, a micromotor commutator insert is proposed. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and provides a micro-motor commutator insert.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A micromotor commutator insert comprises a base and a plurality of insert bodies, a plurality of mounting grooves are provided on the outer wall of the base, the insert bodies are connected to the mounting grooves through an insertion mechanism, a cavity is provided inside the base, a screw is rotatably provided in the cavity, a movable block is threadedly sleeved on the screw, a plurality of movable rods are provided in the cavity, the movable rods are connected to the movable blocks through a contact mechanism, the movable rods are connected to the insert bodies through a limiting mechanism, an opening is provided on the movable rod, a sliding rod is provided in the opening, a fixed plate is slidably sleeved on the sliding rod through an elastic mechanism, and the end of the fixed plate is fixedly connected to the bottom wall of the cavity.

[0007] Preferably, the plug-in mechanism comprises an insert plate arranged on the insert body, and the cross-sectional views of the insert plate and the mounting groove are both T-shaped.

[0008] Preferably, the contact mechanism comprises a contact wheel rotatably mounted on the movable rod and in contact with the outer wall of the movable block, and the movable block is in a conical column shape.

[0009] Preferably, the limiting mechanism comprises a limiting block installed on the end of the movable rod, the limiting block slides through the inner wall of the cavity and extends into the installation groove, and the plug plate is provided with a limiting groove corresponding to the limiting block.

[0010] Preferably, the elastic mechanism comprises a spring sleeved on the outside of the slide rod, and two ends of the spring are elastically connected to the outer wall of the fixing plate and the inner wall of the opening respectively.

[0011] Preferably, a rotating block is provided on the base, and the rotating block is connected to the screw rod.

[0012] Preferably, a limiting rod is provided in the cavity, and the limiting rod slides through the movable block.

[0013] Beneficial effects of the utility model:

[0014] 1. By arranging a mounting groove on the base, arranging an insert plate on the insert body, and arranging components such as a movable rod and a limit block, the insert body can be conveniently disassembled and assembled relative to the base, and the stability of the insert body in the installed state is ensured.

[0015] 2. By setting screws, movable blocks, sliding rods, fixed plates, springs and contact wheels, the synchronous disengagement of multiple limit blocks and the limit grooves on the plug-in plate is achieved, ensuring the linkage and practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural schematic diagram of a micromotor commutator insert proposed by the utility model;

[0017] Figure 2 It is a schematic diagram of the structure of components such as the movable block and movable rod in the cavity;

[0018] Figure 3 for Figure 2 A schematic diagram of the enlarged structure.

[0019] In the figure: 1 base, 2 rotating block, 3 mounting groove, 4 insert body, 5 movable block, 6 screw rod, 7 limit rod, 8 movable rod, 9 limit block, 10 opening, 11 sliding rod, 12 fixing plate, 13 spring, 14 contact wheel. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-3A micromotor commutator insert comprises a base 1 and a plurality of insert bodies 4. A plurality of mounting grooves 3 are arranged on the outer wall of the base 1. The insert bodies 4 are connected to the mounting grooves 3 through an insertion mechanism. A cavity is arranged inside the base 1. A screw 6 is rotatably arranged in the cavity. A movable block 5 is threadedly sleeved on the screw 6. A plurality of movable rods 8 are arranged in the cavity. The movable rod 8 is connected to the movable block 5 through a contact mechanism. The movable rod 8 is connected to the insert body 4 through a limiting mechanism. An opening 10 is arranged on the movable rod 8. A sliding rod 11 is arranged in the opening 10. A fixed plate 12 is slidably sleeved on the sliding rod 11 through an elastic mechanism. The end of the fixed plate 12 is fixedly connected to the bottom wall of the cavity.

[0022] The plug-in mechanism includes a plug plate arranged on the plug body 4. The cross-sectional views of the plug plate and the mounting groove 3 are both T-shaped. This shape structure enables the plug body 4 to only move vertically in the mounting groove 3, thereby achieving convenient disassembly and assembly with the base 1.

[0023] The contact mechanism includes a contact wheel 14 rotatably mounted on the movable rod 8 and in contact with the outer wall of the movable block 5. The movable block 5 is in a conical column shape. The above shape structure enables the movable rod 8 to move horizontally accordingly when the movable block 5 moves up and down in the cavity.

[0024] The limiting mechanism includes a limiting block 9 installed on the end of the movable rod 8. The limiting block 9 slides through the inner wall of the cavity and extends into the mounting groove 3. A limiting groove corresponding to the limiting block 9 is provided on the plug plate. When the limiting block 9 is in the limiting groove, the plug plate together with the plug body 4 cannot move vertically in the mounting groove 3, and has a vertical limiting function.

[0025] The elastic mechanism includes a spring 13 sleeved on the outside of the slide rod 11, and the two ends of the spring 13 are elastically connected to the outer wall of the fixed plate 12 and the inner wall of the opening 10 respectively. After the contact wheel 14 loses the squeezing of the movable block 5, the spring 13 realizes the horizontal corresponding movable movement adjustment of the movable rod 8.

[0026] A rotating block 2 is provided on the base body 1 , and the rotating block 2 is connected to the screw rod 6 . The rotating block 2 can realize the rotation operation of the screw rod 6 , thereby realizing the up and down lifting and moving operation of the movable block 5 in the cavity.

[0027] A limiting rod 7 is provided in the cavity, and the limiting rod 7 slides through the movable block 5 , so that the limiting rod 7 limits the movable block 5 and effectively prevents it from rotating together with the screw rod 6 .

[0028] When the utility model is used, Figure 1In the state shown, multiple plug-in bodies 4 are in the installation groove 3, achieving stable installation on the base 1, and the limit block 9 is inserted into the limit groove to realize the vertical limit of the plug-in body 4 in the installation groove 3. When the plug-in body 4 needs to be disassembled for inspection, maintenance or replacement, the screw 6 is driven to rotate with the help of the rotating block 2. When the screw 6 rotates, the movable block 5 threadedly installed thereon will rise in the cavity. At this time, the contact wheel 14 always fits the outer wall of the movable block 5 under the action of the spring 13, so the movable rod 8 will move horizontally in the cavity close to the movable block 5, so the limit block 9 on the end of the movable rod 8 will move and disengage from the limit groove on the plug plate, and then the vertical limit of the plug-in body 4 in the installation groove 3 is released, and the plug-in body 4 can be vertically moved to complete convenient disassembly.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A micromotor commutator insert, comprising a base (1) and a plurality of insert bodies (4), characterized in that: The outer wall of the base (1) is provided with a plurality of mounting grooves (3), the insert body (4) is connected to the mounting grooves (3) through an insertion mechanism, a cavity is provided inside the base (1), a screw rod (6) is rotatably provided in the cavity, a movable block (5) is threadedly sleeved on the screw rod (6), a plurality of movable rods (8) are provided in the cavity, the movable rods (8) are connected to the movable block (5) through a contact mechanism, the movable rods (8) are connected to the insert body (4) through a limiting mechanism, an opening (10) is provided on the movable rod (8), a sliding rod (11) is provided in the opening (10), a fixed plate (12) is slidably sleeved on the sliding rod (11) through an elastic mechanism, and the end of the fixed plate (12) is fixedly connected to the bottom wall of the cavity.

2. A micromotor commutator insert according to claim 1, characterized in that: The plug-in mechanism comprises an insert plate arranged on an insert plate body (4), and the cross-sectional views of the insert plate and the mounting groove (3) are both T-shaped.

3. A micromotor commutator insert according to claim 2, characterized in that: The contact mechanism comprises a contact wheel (14) which is rotatably mounted on a movable rod (8) and contacts the outer wall of a movable block (5); the movable block (5) is in the shape of a cone column.

4. A micromotor commutator insert according to claim 3, characterized in that: The limiting mechanism comprises a limiting block (9) mounted on the end of the movable rod (8); the limiting block (9) slides through the inner wall of the cavity and extends into the mounting groove (3); and a limiting groove corresponding to the limiting block (9) is provided on the plug plate.

5. A micromotor commutator insert according to claim 4, characterized in that: The elastic mechanism comprises a spring (13) sleeved on the outside of the slide rod (11), and two ends of the spring (13) are elastically connected to the outer wall of the fixing plate (12) and the inner wall of the opening (10) respectively.

6. A micromotor commutator insert according to claim 5, characterized in that: The base (1) is provided with a rotating block (2), and the rotating block (2) is connected to a screw rod (6).

7. A micromotor commutator insert according to claim 6, characterized in that: A limiting rod (7) is provided in the cavity, and the limiting rod (7) slides through the movable block (5).

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