CN218732311U

CN218732311U - Carbon brush holder assembly

Info

Publication number: CN218732311U
Application number: CN202222809490.2U
Authority: CN
Inventors: 高永胜
Original assignee: Renqiu Shengrun Electric Carbon Products Co ltd
Current assignee: Renqiu Shengrun Electric Carbon Products Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-03-24
Anticipated expiration: 2032-10-24

Abstract

The utility model relates to a carbon brush yoke technical field provides a carbon brush yoke subassembly, including the base, the circular recess has been seted up to the inside of base, and the both sides sliding connection of circular recess inside has two dust screens, and the spacing groove has all been seted up at the both ends of dust screen, and the inside sliding connection of circular recess has the radiator-grid, the equal fixedly connected with stopper in both ends of radiator-grid, spacing groove and stopper sliding connection. Through above-mentioned technical scheme, solved among the prior art not set up the dust screen, inside outside dust got into the carbon brush frame easily, caused the friction spark, damaged the commutator easily, increased the maintenance replacement frequency of commutator, lead to the problem of cost increase.

Description

Carbon brush holder assembly

Technical Field

The utility model relates to a carbon brush frame technical field, it is specific, relate to a carbon brush frame subassembly.

Background

The carbon brush holder is used for applying pressure to the carbon brush which is in sliding contact with the surface of the commutator or the collecting ring through the spring to enable the carbon brush to stably conduct current between the fixed body and the rotating body, and the carbon brush is a square box body which transmits electric energy to the coil through the commutator.

SUMMERY OF THE UTILITY MODEL

The utility model provides a carbon brush frame subassembly has solved not set up the dust screen in the correlation technique, and inside outside dust got into carbon brush frame easily, caused the friction spark, damaged the commutator easily, increased the maintenance replacement frequency of commutator, lead to the problem of cost increase.

The technical scheme of the utility model as follows: the utility model provides a carbon brush holder subassembly, includes the base, the circular recess has been seted up to the inside of base, the inside both sides sliding connection of circular recess has two dust screens, the spacing groove has all been seted up at the both ends of dust screen, the inside sliding connection of circular recess has the radiator-grid, the equal fixedly connected with stopper in both ends of radiator-grid, spacing groove and stopper sliding connection.

Further, thread grooves are formed in the two ends of the bottom of the base, screws are connected to the inner portions of the thread grooves in a threaded mode, and one ends of the screws are connected with the outer side of the dustproof net in a rotating mode.

Further, the key groove has all been seted up at the both ends at base inner wall top, the top fixedly connected with parallel key in the dust screen outside, parallel key and key groove sliding connection.

Further, the dead eye has been seted up at the middle part of base, the inside of base and the outside equidistance that is located the dead eye has seted up the fixed orifices.

Furthermore, the top of base has two brush boxes through threaded connection, the equal sliding connection in inside of brush box has the carbon brush body, fixedly connected with spring between the bottom of carbon brush body and the bottom of brush box inner wall, the bottom fixed connection of carbon brush body has the lead wire.

Furthermore, the top of the base is fixedly connected with a wire collecting box.

The utility model discloses a theory of operation and beneficial effect do:

the utility model discloses in through the radiator-grid to the inside ventilation that dispels the heat of carbon brush holder, block the dust through the dust screen and get into carbon brush holder, prevent that the outside dust that falls into from entering into the inside friction spark that causes of carbon brush holder, reducible the maintenance of commutator changes the frequency, stopper and spacing groove's cooperation, the convenient side that inserts the dust screen with the radiator-grid has effectively avoided rocking.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a perspective view of the base of the present invention;

fig. 2 is a top cross-sectional view of the present invention;

fig. 3 is a schematic structural view of the brush box, the carbon brush body, the spring and the lead wire of the present invention;

fig. 4 is an enlarged view of a portion a of fig. 2 according to the present invention.

In the figure: 1. a base; 2. a keyway; 3. a flat bond; 4. a heat-dissipating web; 5. a fixing hole; 6. a dust screen; 7. a wire rewinding box; 8. a bearing bore; 9. a brush box; 10. a carbon brush body; 11. a thread groove; 12. a screw; 13. a spring; 14. a lead wire; 15. a limiting groove; 16. a limiting block; 17. a circular groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.

Example 1

As shown in fig. 1-4, this embodiment provides a carbon brush holder assembly, including base 1, circular slot 17 has been seted up to base 1's inside, and the inside both sides sliding connection of circular slot 17 has two dust screens 6, and spacing groove 15 has all been seted up at the both ends of dust screen 6, and the inside sliding connection of circular slot 17 has radiator-grid 4, and the equal fixedly connected with stopper 16 in both ends of radiator-grid 4, spacing groove 15 and stopper 16 sliding connection.

In this embodiment, ventilate through heat dissipation network 4 to carbon brush holder inside heat dissipation, block through dust screen 6 that the dust gets into carbon brush holder, prevent that the outside dust that falls into from entering into carbon brush holder inside and causing the friction spark, reducible the maintenance replacement frequency of commutator, stopper 16 and spacing groove 15's cooperation, the convenient side that inserts dust screen 6 with heat dissipation network 4 has effectively avoided rocking.

Example 2

As shown in fig. 1 to 4, based on the same concept as that of embodiment 1, the present embodiment further provides a carbon brush holder assembly, wherein threaded grooves 11 are formed at both ends of the bottom of the base 1, screws 12 are screwed into the threaded grooves 11, one ends of the screws 12 are rotatably connected to the outer side of the dust screen 6, and the dust screen 6 is tightly supported inside the base 1 by screwing the screws 12 to prevent the dust screen from falling.

Wherein, keyway 2 has all been seted up at the both ends at 1 inner wall top of base, and the top fixedly connected with parallel key 3 in the dust screen 6 outside, parallel key 3 and keyway 2 sliding connection carry on spacingly through the cooperation of parallel key 3 and keyway 2 to dust screen 6.

Wherein, dead eye 8 has been seted up at the middle part of base 1, and fixed orifices 5 have been seted up to the inside of base 1 and the outside equidistance that is located dead eye 8, fixes base 1 through fixed orifices 5.

Wherein, there are two brush boxes 9 at the top of base 1 through threaded connection, and the equal sliding connection in inside of brush box 9 has carbon brush body 10, fixedly connected with spring 13 between the bottom of carbon brush body 10 and the bottom of brush box 9 inner wall, and the bottom fixedly connected with of carbon brush body 10 has lead wire 14, tightly supports carbon brush body 10 in the both sides of rotor through spring 13, and the material of lead wire 14 is used for electrically conducting for copper line material.

Wherein, the top fixedly connected with of base 1 is received line box 7, and the wire can twine on receiving line box 7, saves space.

In this embodiment, fix brush box 9 in the top of base 1 earlier, with dust screen 6 and radiator-grid 4 through spacing groove 15 with stopper 16 carry out the card with, under the cooperation of parallel key 3 and keyway 2, put into the inside of circular recess 17, through precession screw 12, tightly support dust screen 6 in the inside of base 1, put the integrated device through dead eye 8 at last and use on the motor.

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. The utility model provides a carbon brush holder subassembly, its characterized in that, includes base (1), circular recess (17) have been seted up to the inside of base (1), the inside both sides sliding connection of circular recess (17) has two dust screens (6), spacing groove (15) have all been seted up at the both ends of dust screen (6), the inside sliding connection of circular recess (17) has radiator-grid (4), the equal fixedly connected with stopper (16) in both ends of radiator-grid (4), spacing groove (15) and stopper (16) sliding connection.

2. The carbon brush holder assembly according to claim 1, wherein both ends of the bottom of the base (1) are provided with thread grooves (11), the thread grooves (11) are internally and threadedly connected with screws (12), and one ends of the screws (12) are rotatably connected with the outer side of the dust screen (6).

3. The carbon brush holder assembly according to claim 1, wherein key grooves (2) are formed in both ends of the top of the inner wall of the base (1), a flat key (3) is fixedly connected to the top of the outer side of the dust screen (6), and the flat key (3) is slidably connected with the key grooves (2).

4. The carbon brush holder assembly according to claim 1, wherein a bearing hole (8) is formed in the middle of the base (1), and fixing holes (5) are formed in the inner portion of the base (1) and located on the outer side of the bearing hole (8) at equal intervals.

5. The carbon brush holder assembly according to claim 1, wherein two brush boxes (9) are connected to the top of the base (1) through threads, a carbon brush body (10) is slidably connected to the inside of each brush box (9), a spring (13) is fixedly connected between the bottom of each carbon brush body (10) and the bottom of the inner wall of each brush box (9), and a lead (14) is fixedly connected to the bottom of each carbon brush body (10).

6. A carbon brush holder assembly according to claim 1, wherein a take-up box (7) is fixedly attached to the top of the base (1).