CN213366996U

CN213366996U - Rotor commutator

Info

Publication number: CN213366996U
Application number: CN202022772642.7U
Authority: CN
Inventors: 杨宗益
Original assignee: Ruian Chenghe Electric Appliance Co ltd
Current assignee: Ruian Chenghe Electric Appliance Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-06-04
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a rotor commutator, including the commutator body, the side of commutator body is equipped with a plurality of draw-in groove, the side center department of commutator body just is located two be equipped with the fixture block between the draw-in groove, the side of commutator body is equipped with a plurality of commutator segment, the commutator segment is close to the top and the bottom of commutator body one side are equipped with a chucking device respectively, the chucking device is including the activity groove, activity inslot portion both sides all are equipped with a cardboard, the cardboard with through pivot swing joint between the activity groove, the cardboard is close to pivot one side is equipped with the connecting piece, the middle part in activity groove is equipped with the support column, support column one side is equipped with the spout of two axisymmetrics. Has the advantages that: the design of guide arm improves the stability of slider operation, makes the pressure that the spring received more all with simultaneously, avoids the spring to receive inhomogeneous power and makes the structure of spring impaired.

Description

Rotor commutator

Technical Field

The utility model relates to the technical field of machinery, particularly, relate to a rotor commutator.

Background

The rotor commutator is applied to the motor and is an indispensable component of the motor. The existing rotor commutator comprises a cylindrical commutator body, the commutator body is arranged in a hollow mode, the hollow portion forms a mounting hole, a commutator segment is further sleeved outside the commutator body, the outer wall of the commutator body is smoothly arranged in the process, the commutator segment is difficult to match with the commutator body in the assembling process, the commutator segment is difficult to fix, and the commutator segment is easy to rotate along the circumferential surface of the commutator body in the working process.

An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

To the problem among the correlation technique, the utility model provides a rotor commutator to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

a rotor commutator comprises a commutator body, wherein a plurality of clamping grooves are formed in the side face of the commutator body, a clamping block is arranged at the center of the side face of the commutator body and between the two clamping grooves, a plurality of commutator segments are arranged on the side face of the commutator body, clamping devices are respectively arranged at the top and the bottom of one side, close to the commutator body, of each commutator segment, each clamping device comprises a movable groove, two clamping plates are respectively arranged on two sides of the inner part of each movable groove, the clamping plates are movably connected with the movable grooves through a rotating shaft, a connecting piece is arranged at one side, close to the rotating shaft, of each clamping plate, a supporting column is arranged in the middle of each movable groove, two axisymmetric sliding grooves are arranged on one side of each supporting column, a guide rod is arranged in the middle of each sliding groove, a sliding block is sleeved on one side of the outer surface of each guide rod, a, the clamping plate is characterized in that a fixed rod is arranged at the center of one side of the sliding block, a connecting rod is sleeved on the fixed rod, one end, far away from the fixed rod, of the connecting rod is movably connected with the connecting piece, and the clamping plate and the inner wall of the clamping groove are extruded together.

Preferably, the end part of the clamping plate, which is far away from the rotating shaft, is of an arc-shaped structure, and the arc-shaped structure is matched with the clamping groove.

Preferably, the centers of the side surfaces of the sliding block and the base plate are respectively provided with a through hole matched with the guide rod.

Preferably, the spring is a compression spring, and spring washers are arranged at two ends of the spring.

Preferably, a groove is formed in the center of one side, away from the clamping plate, of the connecting piece, a shaft rod is arranged in the groove, and the end portion of the connecting rod is sleeved on the shaft rod.

Preferably, the middle part of one side of the commutator segment, which is close to the commutator body, is provided with the clamping groove matched with the clamping block.

The utility model has the advantages that: due to the design of the guide rod, the running stability of the sliding block is improved, the pressure on the spring is more uniform, and the structure of the spring is prevented from being damaged due to uneven force on the spring; the connecting rod is movably connected with the connecting piece and the fixed rod, so that the connecting rod can move flexibly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a general structure of a rotor commutator according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a structure separation state of a rotor commutator according to an embodiment of the present invention;

fig. 3 is an enlarged schematic view of a point a structure of a rotor commutator according to an embodiment of the present invention;

fig. 4 is a schematic view of an internal structure of a chute of a rotor commutator according to an embodiment of the present invention.

In the figure:

1. a commutator body; 2. a card slot; 3. a clamping block; 4. a commutator segment; 5. a movable groove; 6. a support pillar; 7. a chute; 8. a guide bar; 9. a slider; 10. a base plate; 11. a spring; 12. fixing the rod; 13. a connecting rod; 14. a connecting member; 15. clamping a plate; 16. a rotating shaft.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a rotor commutator.

In the first embodiment, as shown in fig. 1-4, a rotor commutator according to an embodiment of the present invention includes a commutator body 1, a plurality of slots 2 are disposed on a side surface of the commutator body 1, a clamping block 3 is disposed at a side surface center of the commutator body 1 and between the two slots 2, a plurality of commutator segments 4 are disposed on a side surface of the commutator body 1, a clamping device is disposed at a top and a bottom of each commutator segment 4 near one side of the commutator body 1, the clamping device includes a movable groove 5, a clamping plate 15 is disposed at each of two sides inside the movable groove 5, the clamping plate 15 is movably connected with the movable groove 5 through a rotating shaft 16, a connecting member 14 is disposed at one side of the clamping plate 15 near the rotating shaft 16, a supporting column 6 is disposed at a middle portion of the movable groove 5, two axisymmetric sliding grooves 7 are disposed at one side of the supporting column 6, the middle of the sliding groove 7 is provided with a guide rod 8, one side of the outer surface of the guide rod 8 is provided with a sliding block 9 in a sleeved mode, one side of the sliding block 9 is provided with a base plate 10, the outer surface of the guide rod 8 is located on the base plate 10 and is far away from one side of the sliding block 9 is provided with a spring 11, a fixed rod 12 is arranged at the center of one side of the sliding block 9, a connecting rod 13 is sleeved on the fixed rod 12, the connecting rod 13 is far away from one end of the fixed rod 12 and is movably connected with a.

In the second embodiment, the end of the clamping plate 15, which is away from the rotating shaft 16, is an arc-shaped structure, and the arc-shaped structure is matched with the clamping groove 2. As can be seen from the above design, the circular arc structure allows the clamping plate 15 to be movably connected with the clamping groove 2.

In the third embodiment, through holes matched with the guide rods 8 are formed in the centers of the side surfaces of the sliding block 9 and the base plate 10. As can be seen from the above design, the slide block 9 and the backing plate 10 can be movably connected with the guide rod 8 through the design of the through hole.

In the fourth embodiment, the spring 11 is a compression spring, and spring washers are arranged at both ends of the spring 11. It can be seen from the above design that the service life of the spring 11 is improved by the design of the spring washer.

In the fifth embodiment, a groove is formed in the center of one side, away from the clamping plate 15, of the connecting piece 14, a shaft rod is arranged in the groove, the end portion of the connecting rod 13 is sleeved on the shaft rod, and the middle of one side, close to the commutator body 1, of the commutator segment 4 is provided with the clamping groove 2 matched with the clamping block 3. It can be seen from the above design that the connecting rod 13 can be movably connected with the connecting piece 14 through the design of the groove and the shaft rod.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

To sum up, with the help of the above technical scheme of the utility model, when cardboard 15 on the

commutator segment

4 and 2 joints of draw-in groove are together, cardboard 15 can be through 14 extrusion connecting rods 13 of connecting piece, connecting rod 13 promotes slider 9 through dead lever 12, slider 9 promotes backing plate 10 extrusion spring 11, spring 11 receives the reverse backing plate 10 that promotes of extrusion release elasticity, backing plate 10 is doing the reverse conduction of power, finally transmit for cardboard 15, promote cardboard 15 and 2 extrusion of draw-in groove together, fixture block 3 on the commutator body 1 can be in the same place with 2 joints of draw-in groove on the commutator segment 4 simultaneously.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A rotor commutator is characterized by comprising a commutator body (1), wherein a plurality of clamping grooves (2) are formed in the side surface of the commutator body (1), a clamping block (3) is arranged at the center of the side surface of the commutator body (1) and between the two clamping grooves (2), a plurality of commutator segments (4) are arranged on the side surface of the commutator body (1), clamping devices are respectively arranged at the top and the bottom of one side, close to the commutator body (1), of each commutator segment (4), each clamping device comprises a movable groove (5), clamping plates (15) are respectively arranged on two sides in each movable groove (5), each clamping plate (15) is movably connected with each movable groove (5) through a rotating shaft (16), a connecting piece (14) is arranged on one side, close to the rotating shaft (16), a supporting column (6) is arranged in the middle of each movable groove (5), support column (6) one side is equipped with spout (7) of two axisymmetrics, spout (7) middle part is equipped with guide arm (8), guide arm (8) surface one side cover is equipped with slider (9), slider (9) one side is equipped with backing plate (10), guide arm (8) surface just is located backing plate (10) are kept away from slider (9) one side is equipped with spring (11), slider (9) one side center department is equipped with dead lever (12), the cover is equipped with connecting rod (13) on dead lever (12), connecting rod (13) are kept away from dead lever (12) one end with connecting piece (14) swing joint, cardboard (15) with draw-in groove (2) inner wall extrusion is in the same place.

2. A rotor commutator according to claim 1, wherein the end of the clamping plate (15) on the side away from the rotating shaft (16) is in a circular arc shape, and the circular arc shape is matched with the clamping groove (2).

3. A rotor commutator according to claim 1, wherein the centers of the side surfaces of the sliding block (9) and the backing plate (10) are provided with through holes matched with the guide rods (8).

4. A rotor commutator according to claim 1, wherein the spring (11) is a compression spring, and both ends of the spring (11) are provided with spring washers.

5. A rotor commutator according to claim 1, wherein the connecting member (14) is provided with a groove at a center of a side thereof away from the clamping plate (15), a shaft rod is provided in the groove, and an end of the connecting rod (13) is sleeved on the shaft rod.

6. The rotor commutator of claim 1, wherein the commutator segment (4) is provided with a clamping groove (2) matched with the clamping block (3) at the middle part of one side close to the commutator body (1).