CN217062780U

CN217062780U - High-strength commutator

Info

Publication number: CN217062780U
Application number: CN202123376294.2U
Authority: CN
Inventors: 宋泽明
Original assignee: Ruian Chengde Electric Appliance Co ltd
Current assignee: Ruian Chengde Electric Appliance Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-07-26
Anticipated expiration: 2031-12-29

Abstract

The utility model relates to the technical field of commutators, and discloses a high-strength commutator, which comprises a base body and a plurality of commutators which are equidistantly distributed, wherein the commutators are attached to the outer wall of the base body, the side wall of one end of the base body is connected with a plurality of groups of positioning inserted rods which are equidistantly distributed, each group is two, and each group of the positioning inserted rods is aligned with each commutator segment in the horizontal direction one by one; the end part of each commutator segment is provided with a hook; and the other end of the base body is provided with a fixed ring plate. The utility model discloses the locating piece of well fixed ring board one side can be pegged graft in the constant head tank mouth of commutator segment, can guarantee the stability of commutator segment to the bush that sets up not only can consolidate the base member and can also prolong the life-span of base member, after the later stage crotch breaks off, can demolish the change crotch alone, need not to carry out the costly problem of changing whole commutator segment, and is comparatively practical, is fit for extensively promoting and using.

Description

High-strength commutator

Technical Field

The utility model belongs to the technical field of the commutator, specifically speaking relates to a high strength commutator.

Background

The motor commutator is an important component of the direct current motor and is used for converting direct current passing through the brush into alternating current in the winding or converting alternating electromotive force in the winding into direct electromotive force on the brush end. When the commutator of the machine is in operation, in addition to the transmission of longitudinal currents, there is the task of commutating currents in the short-circuited armature coils, which currents generate reactive and commutation potentials in the commutation elements. The commutator is divided into a plane commutator, a groove commutator and a hook commutator, and mainly comprises an insulating base body and commutator segments distributed on the circumferential surface of the base body, wherein insulating grass is arranged between adjacent commutator segments to separate and insulate the commutator segments, and one end of each commutator segment is bent for wiring.

Retrieve CN 213401793 UU and disclose a high strength commutator for brush motor, including the commutator body, the mounting groove has been seted up on the outside surface of commutator body, the inside of mounting groove is pegged graft and is had the commutator segment, the left side lower extreme fixedly connected with inserted block of commutator segment, the slot has been seted up to the inside left wall lower extreme of mounting groove, it has the inserted block to peg graft in the inside of slot. Although this high strength commutator for brushless motor, through rotating the inside right bolt in insulating cover plate right side fastening hole, make the bolt break away from the internal thread hole on commutator body right side, dismantle insulating cover plate, the inside fixed pressing block of mounting groove that the commutator body outside was seted up this moment, the pressure that breaks away from compression spring can move to the right, take out one section distance with the commutator segment to the right-hand member of mounting groove again and make the inserted block break away from the slot, the commutator segment can be detained this moment, moreover, the steam generator is simple in structure, the convenience is changed the commutator segment and is decided.

However, the inventor finds that the technical scheme still has at least the following defects:

the commutator segment and the hook are integrally connected, once the hook is broken or abraded in the later period, the whole commutator segment and the hook need to be replaced together, and the maintenance cost is high.

In view of this special the utility model is put forward.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model adopts the following basic concept:

a high-strength commutator comprises a base body and a plurality of commutator segments which are distributed at equal intervals, wherein the commutator segments are attached to the outer wall of the base body, the side wall of one end of the base body is connected with a plurality of groups of positioning insertion rods which are distributed at equal intervals, each group is two, and each group of the positioning insertion rods is aligned with each commutator segment in the horizontal direction one by one;

the end part of each commutator segment is provided with a hook; a fixed ring plate is arranged at the other end of the base body, a plurality of positioning blocks which are distributed at equal intervals are fixed on the periphery of one side of the fixed ring plate, which is close to the base body, and each positioning block is correspondingly inserted into the end face of one commutator segment;

and a lining is fixed on the side wall of the inner opening of the fixed ring plate and movably inserted in the inner cavity of the base body.

As an optimized embodiment of the present invention, two positioning holes adapted to the positioning insertion rod are disposed on the hook.

As an optimized embodiment of the present invention, the commutator segment is close to the middle part of the end face of the fixed ring plate, and a positioning notch matched with the positioning block is provided.

As a preferred embodiment of the utility model, the bush is kept away from the one end of retaining ring board can be dismantled with the base member through a plurality of equidistance distribution's first bolt and be connected, can dismantle through a plurality of equidistance distribution's second bolt between retaining ring board and the base member and be connected.

As a preferred embodiment of the utility model, the location inserted bar activity is pegged graft in the terminal surface of commutator segment.

Compared with the prior art, the utility model following beneficial effect has:

the utility model discloses when installing the commutator segment, cup joint the crotch that corresponds with it on the inserted bar of location through the location perforation earlier, then dock the commutator segment on the inserted bar of location again, accomplish the back by above-mentioned step until all commutator segments, peg graft retaining ring board and bush at the base member inner chamber again, and fix the retaining ring board at base member tip through the second bolt, at this in-process, the locating piece of retaining ring board one side can peg graft in the constant head tank of commutator segment, can guarantee the stability of commutator segment, and the bush that sets up not only can consolidate the base member and can also prolong the life-span of base member, after the later stage crotch breaks, can demolish the change crotch alone, need not to carry out the expensive problem of changing whole commutator segment.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

In the drawings:

FIG. 1 is a schematic view of the overall front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the hook structure of the present invention;

FIG. 3 is a schematic side view of the hook of the present invention distributed on the periphery of the base;

fig. 4 is a structural schematic diagram of the distribution positions of the positioning notches on the commutator segment according to the present invention.

In the figure: 1-a substrate; 2-fixing the ring plate; 3-positioning a block; 4-a commutator segment; 5-hooking; 6-positioning the inserted rod; 7-a bushing; 8-a first bolt; 9-a second bolt; 10-positioning perforation; 11-positioning notch.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention.

As shown in fig. 1, a high-strength commutator comprises a base body 1 and a plurality of commutator segments 4 which are equidistantly distributed, wherein the commutator segments 4 are attached to the outer wall of the base body 1, the side wall of one end of the base body 1 is connected with a plurality of groups of positioning inserted rods 6 which are equidistantly distributed, each group is two, and each group of positioning inserted rods 6 is aligned with each commutator segment 4 in the horizontal direction one by one; the end part of each commutator segment 4 is provided with the hook 5, and after the hook 5 is broken in the later period, the hook 5 can be detached and replaced independently without the high cost problem of replacing the whole commutator segment 4.

As shown in fig. 1 and 3, a fixed ring plate 2 is arranged at the other end of the base 1, a plurality of positioning blocks 3 which are distributed at equal intervals are fixed on the periphery of one side of the fixed ring plate 2 close to the base 1, and each positioning block 3 is correspondingly inserted into the end face of one commutator segment 4; the inner opening side wall of the fixed ring plate 2 is fixed with a bush 7, the bush 7 is movably inserted in the inner cavity of the base body 1, and the arranged bush 7 can not only reinforce the base body 1, but also prolong the service life of the base body 1.

As shown in fig. 1 to 4, in the specific embodiment, the hook 5 is provided with two positioning through holes 10 adapted to the positioning insertion rod 6, the positioning insertion rod 6 is movably inserted into the end surface of the commutator segment 4, the middle portion of the end surface of the commutator segment 4 close to the fixed ring plate 2 is provided with a positioning notch 11 adapted to the positioning block 3, and the positioning insertion rod 6 can fix one end of the commutator segment 4.

As shown in fig. 1 to fig. 1, further, one end of the bushing 7, which is far away from the fixed ring plate 2, is detachably connected with the base 1 through a plurality of first bolts 8 which are distributed at equal intervals, the fixed ring plate 2 is detachably connected with the base 1 through a plurality of second bolts 9 which are distributed at equal intervals, the fixed ring plate 2 is fixed at the end of the base 1 through the second bolts 9, in the process, the positioning block 3 on one side of the fixed ring plate 2 can be inserted into the positioning notch 11 of the commutator segment 4, so that the stability of the commutator segment 4 can be ensured, and the bushing 7 can be used for reinforcing the base 1 and prolonging the service life of the base 1.

The implementation principle of the high-strength commutator of the embodiment is as follows: when the commutator segments 4 are installed, the corresponding hooks 5 are sleeved on the positioning insertion rods 6 through the positioning through holes 10, then the commutator segments 4 are butted on the positioning insertion rods 6, and the fixing ring plates 2 and the bushings 7 are inserted into the inner cavity of the base body 1 until all the commutator segments 4 are completed through the steps, and the fixing ring plates 2 are fixed at the end parts of the base body 1 through the second bolts 9, in the process, the positioning blocks 3 on one sides of the fixing ring plates 2 can be inserted into the positioning groove openings 11 of the commutator segments 4, so that the stability of the commutator segments 4 can be ensured, the arranged bushings 7 can not only reinforce the base body 1, but also prolong the service life of the base body 1, and after the hooks 5 are broken in the later period, the hooks 5 can be detached and replaced independently, and the problem of high cost for replacing the whole commutator segments 4 is avoided.

Claims

1. The high-strength commutator comprises a base body (1) and a plurality of commutator segments (4) which are equidistantly distributed, and is characterized in that the commutator segments (4) are attached to the outer wall of the base body (1), one side wall of one end of the base body (1) is connected with a plurality of groups of positioning inserted rods (6) which are equidistantly distributed, each group is two, and each group of positioning inserted rods (6) is aligned with each commutator segment (4) one by one in the horizontal direction;

a hook (5) is arranged at the end part of each commutator segment (4);

a fixed ring plate (2) is arranged at the other end of the base body (1), a plurality of positioning blocks (3) which are distributed at equal intervals are fixed on the periphery of one side, close to the base body (1), of the fixed ring plate (2), and each positioning block (3) is correspondingly inserted into the end face of one reversing piece (4);

and a lining (7) is fixed on the side wall of the inner opening of the fixed ring plate (2), and the lining (7) is movably inserted into the inner cavity of the base body (1).

2. A high-strength commutator according to claim 1, wherein the hook (5) is provided with two positioning through holes (10) adapted to the positioning inserted rod (6).

3. The high-strength commutator according to claim 1, wherein the middle part of the end surface of the commutator segment (4) close to the fixed ring plate (2) is provided with a positioning notch (11) matched with the positioning block (3).

4. A high-strength commutator according to claim 1, characterized in that the end of the bushing (7) remote from the stationary ring plate (2) is detachably connected to the basic body (1) by a plurality of equidistantly distributed first bolts (8).

5. A high-strength commutator according to claim 4, wherein the fixing ring plate (2) is detachably connected to the base body (1) by a plurality of second bolts (9) which are distributed at equal intervals.

6. A high-strength commutator according to claim 1, wherein the positioning inserted-rod (6) is movably inserted into the end face of the commutator segment (4).