CN211880259U

CN211880259U - Combined commutator

Info

Publication number: CN211880259U
Application number: CN202021036286.6U
Authority: CN
Inventors: 董海迪; 席建伟
Original assignee: Ruian Fengcheng Commutator Co ltd
Current assignee: Ruian Fengcheng Commutator Co ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2020-11-06
Anticipated expiration: 2030-06-09

Abstract

The utility model discloses a modular commutator, including protruding end, commutator bar, mica and pivot, the surface mounting of pivot has heat radiation structure, and heat radiation structure's surface cover is equipped with insulation system, and insulation system is last to be radial equipartition and installs mica, and the limiting plate is installed in one side of protruding end, and the connecting rod is all installed at the both ends of limiting plate, and the nut is installed to the one end of connecting rod, and the fixture block is installed to one side of connecting rod bottom. The utility model discloses a be provided with limit structure, when the in-process that the motor was using, need run through the commutator to the inside pivot the inside of motor, in order to prevent that the motor from making the commutator remove at the during operation, need carry on spacingly to the commutator, at this moment, install the limiting plate in the pivot earlier, then through the fixture block card on the connecting rod in the draw-in groove the inside to spacing effect has been played.

Description

Combined commutator

Technical Field

The utility model relates to a commutator technical field specifically is a modular commutator.

Background

The commutator is a reversing device used on the motor, and with the development of the current society, the living standard of people is improved, so that the motor can be seen everywhere in life, and the motor can be provided with the reversing device, but the existing device still has certain problems and defects.

The commutator in the prior art is inconvenient to limit in the using process, so that the motor is easily damaged in the working process, and a novel commutator is manufactured to solve the problems.

Disclosure of Invention

An object of the utility model is to provide a modular commutator to provide the spacing not good problem of effect in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a combined commutator, includes protruding end, commutator segment, mica and pivot, the surface mounting of pivot has heat radiation structure, heat radiation structure's surface cover is equipped with insulation system, insulation system is last to be radial equipartition and installs mica, mica spaced intermediate position department installs the connection piece, the commutator segment is all installed to mica's surface, the connection piece with the commutator segment is connected, protruding end is installed to one side of commutator segment, limit structure is installed to one side of protruding end, limit structure includes limiting plate, nut, fixture block, connecting rod and draw-in groove, the limiting plate is installed in one side of protruding end, the connecting rod is all installed at the both ends of limiting plate, the nut is installed to the one end of connecting rod, the fixture block is installed to one side of connecting rod bottom.

Preferably, a clamping groove is installed at the bottom end of the clamping block, the inner diameter of the clamping groove is larger than the outer diameter of the clamping block, and a clamping structure is formed between the clamping block and the clamping groove.

Preferably, the insulation structure comprises a fixed layer, a connecting layer and an insulation layer, the fixed layer is mounted on the inner surface of the mica, and the connecting layer is mounted at the top end of the fixed layer.

Preferably, the top end of the connecting layer is provided with an insulating layer, and the connecting layer is in adhesive connection with the insulating layer.

Preferably, the heat dissipation structure comprises a heat dissipation cylinder, heat dissipation holes and a fixing block, the heat dissipation cylinder is installed inside the insulating layer, and the heat dissipation holes penetrate through the middle position inside the heat dissipation cylinder.

Preferably, the outer surface of the heat dissipation cylinder is provided with fixing blocks, and the fixing blocks are distributed on the circle center of the heat dissipation cylinder in an annular mode.

Compared with the prior art, the beneficial effects of the utility model are that: the combined commutator not only realizes good limiting effect, but also realizes good insulating effect and good heat dissipation effect;

(1) by arranging the limiting structure, when the motor is used, the commutator needs to penetrate into a rotating shaft in the motor, and in order to prevent the commutator from moving when the motor works, the commutator needs to be limited;

(2) by arranging the insulating structure, when the motor works, in order to prevent the commutator segment from being connected with the rotating shaft of the motor to cause short circuit and damage the commutator, the insulating layer is arranged at the contact position of the commutator and the rotating shaft of the motor and is connected with the fixed layer through the connecting layer, so that the insulating effect is achieved;

(3) through being provided with heat radiation structure, at the in-process of motor work, the commutator can produce a large amount of heats, and the commutator works under the environment of high temperature for a long time and can influence the life of commutator, so need fix a heat dissipation section of thick bamboo through the fixed block, and there is the louvre a heat dissipation section of thick bamboo inside, and the louvre can play the radiating effect to the commutator.

Drawings

Fig. 1 is a schematic view of the front view cross-sectional structure of the present invention.

Fig. 2 is a schematic diagram of the side view and enlarged structure of the heat dissipation structure of the present invention.

Fig. 3 is a schematic diagram of the side view section enlarged structure of the insulation structure of the present invention.

Fig. 4 is a schematic side view of the cross-sectional structure of the present invention.

Fig. 5 is an enlarged partial cross-sectional view of the point a in fig. 1 according to the present invention.

In the figure: 1. a raised end; 2. a commutator segment; 3. mica; 4. a rotating shaft; 5. an insulating structure; 501. a fixed layer; 502. a connecting layer; 503. an insulating layer; 6. connecting sheets; 7. a heat dissipation structure; 701. a heat-dissipating cylinder; 702. heat dissipation holes; 703. a fixed block; 8. a limiting structure; 801. a limiting plate; 802. a nut; 803. a clamping block; 804. a connecting rod; 805. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a combined commutator comprises a convex end 1, commutator segments 2, mica 3 and a rotating shaft 4, wherein a heat dissipation structure 7 is arranged on the outer surface of the rotating shaft 4, the heat dissipation structure 7 comprises a heat dissipation cylinder 701, heat dissipation holes 702 and fixing blocks 703, the heat dissipation cylinder 701 is arranged inside an insulating layer 503, the heat dissipation holes 702 penetrate through the middle position inside the heat dissipation cylinder 701, the fixing blocks 703 are arranged on the outer surface of the heat dissipation cylinder 701, and the fixing blocks 703 are annularly distributed on the center of the heat dissipation cylinder 701;

specifically, as shown in fig. 1, fig. 2 and fig. 4, when the mechanism is used, firstly, in the working process of the motor, the commutator generates a large amount of heat, and the commutator works in a high-temperature environment for a long time to affect the service life of the commutator, so that the heat dissipation cylinder 701 needs to be fixed by the fixing block 703, and the heat dissipation hole 702 is formed in the heat dissipation cylinder 701, and the heat dissipation hole 702 can play a role in dissipating heat of the commutator;

the outer surface of the heat dissipation structure 7 is sleeved with an insulation structure 5, the insulation structure 5 comprises a fixing layer 501, a connecting layer 502 and an insulation layer 503, the fixing layer 501 is installed on the inner surface of the mica 3, the connecting layer 502 is installed at the top end of the fixing layer 501, the insulation layer 503 is installed at the top end of the connecting layer 502, and the connecting layer 502 is in adhesive connection with the insulation layer 503;

specifically, as shown in fig. 1, fig. 3 and fig. 4, when the mechanism is used, when the motor is in operation, in order to prevent the commutator segment 2 from being connected with the rotating shaft 4 of the motor to cause short circuit and damage the commutator, an insulating layer 503 is arranged at the contact position of the commutator and the rotating shaft 4 of the motor, and the insulating layer 503 is connected with the fixed layer 501 through the connecting layer 502, so that the insulating effect is achieved, the high-speed performance of the commutator is improved, and the stability is good.

Mica 3 is uniformly and radially arranged on the insulating structure 5, connecting sheets 6 are arranged at the middle positions of the intervals of the mica 3, commutator segments 2 are arranged on the outer surfaces of the mica 3, the connecting sheets 6 are connected with the commutator segments 2 to firmly fix the commutator segments 2 on the insulating structure 5, a protruding end 1 is arranged on one side of each commutator segment 2, a limiting structure 8 is arranged on one side of each protruding end 1, each limiting structure 8 comprises a limiting plate 801, a nut 802, a clamping block 803, a connecting rod 804 and a clamping groove 805, the limiting plate 801 is arranged on one side of each protruding end 1, the connecting rods 804 are arranged at the two ends of each limiting plate 801, the nuts 802 are arranged at one ends of the connecting rods 804, the clamping blocks 803 are arranged on one side of the bottom ends of the connecting rods 804, the clamping grooves 805 are arranged at the bottom ends of the clamping blocks 803, the inner diameters;

specifically, as shown in fig. 1, 4 and 5, when the mechanism is used, firstly, when the motor is in use, the commutator needs to penetrate through the rotating shaft 4 inside the motor, and in order to prevent the motor from moving when the motor is in operation, the commutator needs to be limited, at this time, the limiting plate 801 is firstly installed on the rotating shaft 4, and then the limiting plate is clamped in the clamping groove 805 through the clamping block 803 on the connecting rod 804, so that the limiting effect is achieved.

The working principle is as follows: the utility model discloses when using, at first, when the in-process that the motor was using, need run through the commutator to the inside 4 the inside pivots of motor, in order to prevent that the motor from making the commutator to remove at the during operation, need carry on spacingly to the commutator, at this moment, install limiting plate 801 on pivot 4 earlier, then block 803 card through on the connecting rod 804 inside draw-in groove 805 to spacing effect has been played.

Then, when the motor works, in order to prevent the commutator segment 2 from being connected with the rotating shaft 4 of the motor to cause short circuit and damage to the commutator, an insulating layer 503 is arranged at the contact position of the commutator and the rotating shaft 4 of the motor, and the insulating layer 503 is connected with the fixed layer 501 through the connecting layer 502, so that the insulating effect is achieved, meanwhile, the high-speed performance of the commutator is improved, and the stability is good.

Finally, in the working process of the motor, the commutator generates a large amount of heat, and the service life of the commutator is affected by the long-time working of the commutator in a high-temperature environment, so that the heat dissipation cylinder 701 needs to be fixed through the fixing block 703, the heat dissipation holes 702 are formed in the heat dissipation cylinder 701, and the heat dissipation holes 702 can play a role in heat dissipation of the commutator.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a combined commutator, includes protruding end (1), commutator segment (2), mica (3) and pivot (4), its characterized in that: the outer surface mounting of pivot (4) has heat radiation structure (7), the outer surface cover of heat radiation structure (7) is equipped with insulation system (5), insulation system (5) are gone up and are radial equipartition and install mica (3), connection piece (6) are installed to mica (3) spaced intermediate position department, commutator segment (2) are all installed to the surface of mica (3), connection piece (6) with commutator segment (2) are connected, protruding end (1) is installed to one side of commutator segment (2), limit structure (8) are installed to one side of protruding end (1), limit structure (8) include limiting plate (801), nut (802), fixture block (803), connecting rod (804) and draw-in groove (805), limiting plate (801) are installed in one side of protruding end (1), connecting rod (804) are all installed at the both ends of limiting plate (801), nut (802) is installed to the one end of connecting rod (804), fixture block (803) is installed to one side of connecting rod (804) bottom.

2. A modular commutator as claimed in claim 1, in which: the bottom end of the clamping block (803) is provided with a clamping groove (805), the inner diameter of the clamping groove (805) is larger than the outer diameter of the clamping block (803), and a clamping structure is formed between the clamping block (803) and the clamping groove (805).

3. A modular commutator as claimed in claim 1, in which: the insulation structure (5) comprises a fixing layer (501), a connecting layer (502) and an insulation layer (503), wherein the fixing layer (501) is installed on the inner surface of the mica (3), and the connecting layer (502) is installed at the top end of the fixing layer (501).

4. A modular commutator as claimed in claim 3, in which: an insulating layer (503) is mounted at the top end of the connecting layer (502), and the connecting layer (502) is in adhesive connection with the insulating layer (503).

5. A modular commutator as claimed in claim 1, in which: the heat dissipation structure (7) comprises a heat dissipation cylinder (701), heat dissipation holes (702) and a fixing block (703), the heat dissipation cylinder (701) is installed inside the insulating layer (503), and the heat dissipation holes (702) penetrate through the middle position inside the heat dissipation cylinder (701).

6. The modular commutator of claim 5 in which: the outer surface of the heat dissipation cylinder (701) is provided with fixing blocks (703), and the fixing blocks (703) are annularly distributed on the circle center of the heat dissipation cylinder (701).