CN217334623U

CN217334623U - Novel carbon brush structure

Info

Publication number: CN217334623U
Application number: CN202123034708.3U
Authority: CN
Inventors: 江水华
Original assignee: Nantong Kaidi Carbon Industry Co ltd
Current assignee: Nantong Kaidi Carbon Industry Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-08-30
Anticipated expiration: 2031-12-06

Abstract

The utility model discloses a novel carbon brush structure relates to carbon brush technical field, including mounting disc and carbon brush holder, the standing groove has been seted up to the upper surface of mounting disc, the lower fixed surface of carbon brush holder installs and places the piece, the draw-in groove has been seted up to one side of placing the piece, the spring groove has been seted up to the inside of mounting disc, the inside in spring groove is provided with the second expanding spring, the one end fixedly connected with fixture block of second expanding spring, fixture block and draw-in groove looks adaptation, the inside sliding connection of mounting disc has the rack, the spacing groove has been seted up to the inside of fixture block, the rack runs through the fixture block and extends to the inner chamber of spacing groove, the beneficial effects of the utility model are that: the stability between mounting disc and the carbon brush frame is improved, the problem that the carbon brush body cannot be contacted with the outer ring of the commutator due to shaking of the carbon brush frame used for a long time is prevented, and meanwhile, the effect of facilitating mounting and dismounting of the carbon brush body is achieved.

Description

Novel carbon brush structure

Technical Field

The utility model relates to a carbon brush technical field specifically is a novel carbon brush structure.

Background

A carbon brush, also called an electric brush, is a sliding contact member widely used in an electric motor or an engine. Carbon brushes are used for energy transmission between a fixed portion and a rotating portion in a motor or a generator or other rotating machines, and are generally pressed against a commutator surface or a collector ring surface by a pressing force of a spring, so that the carbon brushes stably conduct current between the fixed portion and the rotating portion. Under the action of the spring, the carbon brush is always in contact with the surface of the commutator or the surface of the collecting ring, so that the circuit of the motor is always in a communicated state.

But the installation and the dismantlement process of current carbon brush structure are loaded down with trivial details, extravagant a large amount of manpowers and time, and stability between carbon brush frame and mounting disc is relatively poor simultaneously, and long-time use carbon brush frame appears rocking easily and leads to the carbon brush body can't contact with the outer loop of commutator to greatly reduced the result of use of carbon brush.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a novel carbon brush structure has solved and has proposed the installation among the above-mentioned background art and has dismantled that the process is loaded down with trivial details, long-time use carbon brush frame appears rocking easily and lead to the carbon brush body can't with the problem of the outer loop contact of commutator.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a novel carbon brush structure, includes mounting disc and carbon brush holder, the standing groove has been seted up to the upper surface of mounting disc, the lower fixed surface of carbon brush holder installs places the piece, the draw-in groove has been seted up to the one side of placing the piece, the spring groove has been seted up to the inside of mounting disc, the inside in spring groove is provided with the second expanding spring, the one end fixedly connected with fixture block of second expanding spring, fixture block and draw-in groove looks adaptation, the inside sliding connection of mounting disc has the rack, the spacing groove has been seted up to the inside of fixture block, the rack runs through the fixture block and extends to the inner chamber of spacing groove, the one end of rack and the inner chamber that is located the spacing groove are provided with the kicking block, the inside of mounting disc is provided with stop gear.

Preferably, stop gear includes the pivot, the pivot rotates with the mounting disc to be connected, the one end fixed mounting of pivot has the gear, the gear is connected with rack toothing.

Preferably, the one end of pivot is provided with rotates the seat, the outside fixed mounting who rotates the seat has the second slider, the second spout has been seted up to the inside of pivot, second slider and second spout sliding connection, spacing hole has been seted up in the outside of mounting disc, the outside of rotating the seat is provided with spacing post, spacing post and spacing hole looks adaptation.

Preferably, a plurality of mounting screw holes are formed in the mounting disc, and the number of the carbon brush holders is multiple.

Preferably, a carbon brush body is arranged inside the carbon brush holder, and a first expansion spring is arranged inside the carbon brush holder.

Preferably, a first sliding groove is formed in the inner side of the carbon brush holder, a sliding rod is fixedly mounted on the inner side of the first sliding groove, a first sliding block is fixedly mounted on the outer side of the carbon brush body, the first sliding block is connected with the first sliding groove in a sliding mode, and the sliding rod penetrates through the first sliding block.

The utility model provides a novel carbon brush structure possesses following beneficial effect:

1. the novel carbon brush structure can drive the top block to move under the meshing connection action of the gear and the rack by rotating the rotating seat to control the clamping block to be away from the clamping groove, so that the carbon brush frame can be disassembled, then the rotating seat is rotated to reset the clamping block, then the placing block on the lower surface of the replaced carbon brush frame is clamped into the placing groove, the clamping block is extruded to automatically move towards the direction of the spring groove, when the placing block completely coincides with the placing groove, the clamping block is tightly clamped in the clamping groove by the elastic force of the second expansion spring, then the rotating seat is rotated to control the rack to move, so that the top block is propped against the inner wall of the limiting groove, finally the rotating seat is pressed downwards to clamp the limiting column into the limiting hole, the installation can be completed, the gear can be limited, the clamping block is tightly clamped in the clamping groove, and the stability between the mounting disc and the carbon brush frame is improved, the problem that the carbon brush body cannot be contacted with the outer ring of the commutator due to shaking of the carbon brush frame used for a long time is prevented, and meanwhile, the effect of facilitating installation and disassembly of the carbon brush body is achieved.

2. This novel carbon brush structure, through mutually supporting of the first slider, first spout and the slide bar that set up, the carbon brush body is consumed gradually to the carbon brush body receives first expanding spring's elasticity, can guarantee the stable slip of carbon brush body, has improved the practicality of device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

FIG. 3 is an enlarged view of the point A of FIG. 1 according to the present invention;

fig. 4 is an enlarged view of the point B in fig. 1 according to the present invention.

In the figure: 1. mounting a disc; 2. a carbon brush holder; 3. a first extension spring; 4. a carbon brush body; 5. a first chute; 6. a first slider; 7. a slide bar; 8. placing the blocks; 9. a placement groove; 10. mounting a screw hole; 11. a spring slot; 12. a second extension spring; 13. a clamping block; 14. a limiting groove; 15. a top block; 16. a card slot; 17. a rack; 18. a gear; 19. a rotating shaft; 20. a rotating seat; 21. a limiting column; 22. a limiting hole; 23. a second slider; 24. a second runner.

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.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a novel carbon brush structure, including mounting disc 1 and carbon brush frame 2, a plurality of installation screw 10 have been seted up to the inside of mounting disc 1, the quantity of carbon brush frame 2 is a plurality of, the inside of carbon brush frame 2 is provided with carbon brush body 4, the inside of carbon brush frame 2 is provided with first expanding spring 3, can use the screw to install mounting disc 1 in the motor through installation screw 10, the concave arc of carbon brush body 4 and the outer rampart in close contact with of commutator this moment, wherein under first expanding spring 3's squeezing action, guarantee that carbon brush body 4 sticiss on the commutator, thereby guarantee the stable work of motor.

The upper surface of the mounting disc 1 is provided with a placing groove 9, the lower surface of the carbon brush holder 2 is fixedly provided with a placing block 8, one side of the placing block 8 is provided with a clamping groove 16, the inside of the mounting disc 1 is provided with a spring groove 11, the inside of the spring groove 11 is provided with a second expansion spring 12, one end of the second expansion spring 12 is fixedly connected with a clamping block 13, one side of the clamping block 13 is provided with an inclined surface, the clamping block 13 is matched with the clamping groove 16, the inside of the mounting disc 1 is slidably connected with a rack 17, the inside of the clamping block 13 is provided with a limiting groove 14, the rack 17 penetrates through the clamping block 13 and extends to the inner cavity of the limiting groove 14, one end of the rack 17 and the inner cavity positioned in the limiting groove 14 are provided with a jacking block 15, the inside of the mounting disc 1 is provided with a limiting mechanism, the limiting mechanism comprises a rotating shaft 19, the rotating shaft 19 is rotatably connected with the mounting disc 1, one end of the rotating shaft 19 is fixedly provided with a gear 18, and the gear 18 is meshed with the rack 17, one end of the rotating shaft 19 is provided with a rotating seat 20, a second sliding block 23 is fixedly installed on the outer side of the rotating seat 20, a second sliding groove 24 is formed in the rotating shaft 19, the second sliding block 23 is connected with the second sliding groove 24 in a sliding mode, so that the rotating seat 20 can move up and down, a limiting hole 22 is formed in the outer side of the mounting disc 1, a limiting column 21 is arranged on the outer side of the rotating seat 20, the limiting column 21 is matched with the limiting hole 22, the rotating seat 20 is rotated to control the gear 18 to rotate, under the meshing connection effect of the gear 18 and the rack 17, the top block 15 can be driven to move, so that the clamping block 13 is controlled to be far away from the clamping groove 16, the carbon brush holder 2 can be disassembled, then the rotating seat 20 is rotated to reset the clamping block 13, then the placing block 8 on the lower surface of the carbon brush holder 2 after replacement is clamped into the placing groove 9, at the moment, the clamping block 13 is automatically moved towards the spring groove 11 under extrusion, treat that placing block 8 and standing groove 9 coincide completely, fixture block 13 receives the elasticity of second expanding spring 12 and tightly blocks in draw-in groove 16, rotate and rotate seat 20 after that, thereby control rack 17 removes, make kicking block 15 top at the inner wall of spacing groove 14, press down and rotate seat 20 at last, make spacing post 21 block advance in spacing hole 22, can accomplish the installation, can carry out spacingly to gear 18, make fixture block 13 tightly block the inside at draw-in groove 16, thereby the stability between mounting disc 1 and the carbon brush frame 2 has been improved, prevent to use carbon brush frame 2 for a long time and appear rocking the problem that leads to carbon brush body 4 unable and the outer loop contact of commutator, the effect of being convenient for carbon brush body 4 installation and dismantlement has also been reached simultaneously.

First spout 5 has been seted up to the inboard of carbon brush holder 2, the inboard fixed mounting of first spout 5 has slide bar 7, the outside fixed mounting of carbon brush body 4 has first slider 6, first slider 6 and first spout 5 sliding connection, slide bar 7 runs through first slider 6, through the first slider 6 that sets up, mutually support of first spout 5 and slide bar 7, carbon brush body 4 is consumed gradually, thereby carbon brush body 4 receives first expanding spring 3's elasticity, can guarantee carbon brush body 4's stable slip, the practicality of device has been improved.

In conclusion, in the novel carbon brush structure, when in use, the mounting disc 1 is firstly mounted in the motor through the mounting screw hole 10 by using a screw, at this time, the concave arc shape of the carbon brush body 4 is in close contact with the outer annular wall of the commutator, wherein the carbon brush body 4 is guaranteed to be tightly pressed on the commutator under the extrusion action of the first expansion spring 3, so as to guarantee the stable work of the motor, the carbon brush body 4 is gradually consumed, so that the carbon brush body 4 is subjected to the elastic force of the first expansion spring 3, so that the first sliding block 6 at the outer side of the carbon brush body 4 slides at the inner side of the first sliding groove 5, so as to guarantee the stable sliding of the carbon brush body 4, when the carbon brush body 4 needs to be replaced, the rotating seat 20 can be rotated, the gear 18 is controlled to rotate, the top block 15 can be driven to move under the meshing connection action of the gear 18 and the rack 17, so as to control the fixture block 13 to be far away from the clamping groove 16, can dismantle carbon brush frame 2, rotate after that and rotate seat 20 and reset fixture block 13, then the placing block 8 card that will change the 2 lower surfaces of carbon brush frame after the back advances in standing groove 9, fixture block 13 receives the automatic direction removal to spring groove 11 of extrusion this moment, when waiting to place a 8 and standing groove 9 dead reckoning, fixture block 13 receives the elasticity of second expanding spring 12 and tightly blocks in draw-in groove 16, rotate and rotate seat 20 after that, thereby control rack 17 removes, make kicking block 15 top at the inner wall of spacing groove 14, press down at last and rotate seat 20, make spacing post 21 card advance in spacing hole 22, can accomplish the installation.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a novel carbon brush structure, includes mounting disc (1) and carbon brush frame (2), its characterized in that: a placing groove (9) is arranged on the upper surface of the mounting disc (1), a placing block (8) is fixedly arranged on the lower surface of the carbon brush holder (2), a clamping groove (16) is formed in one side of the placing block (8), a spring groove (11) is formed in the mounting disc (1), a second extension spring (12) is arranged in the spring groove (11), one end of the second extension spring (12) is fixedly connected with a clamping block (13), the clamping block (13) is matched with the clamping groove (16), a rack (17) is connected in the mounting disc (1) in a sliding manner, a limiting groove (14) is formed in the clamping block (13), the rack (17) penetrates through the clamping block (13) and extends to an inner cavity of the limiting groove (14), one end of the rack (17) and an inner cavity located in the limiting groove (14) are provided with a top block (15), and a limiting mechanism is arranged inside the mounting disc (1).

2. The novel carbon brush structure of claim 1, wherein: stop gear includes pivot (19), pivot (19) rotate with mounting disc (1) and are connected, the one end fixed mounting of pivot (19) has gear (18), gear (18) are connected with rack (17) meshing.

3. The novel carbon brush structure of claim 2, wherein: the one end of pivot (19) is provided with rotates seat (20), the outside fixed mounting who rotates seat (20) has second slider (23), second spout (24) have been seted up to the inside of pivot (19), second slider (23) and second spout (24) sliding connection, spacing hole (22) have been seted up in the outside of mounting disc (1), the outside of rotating seat (20) is provided with spacing post (21), spacing post (21) and spacing hole (22) looks adaptation.

4. The novel carbon brush structure of claim 1, wherein: a plurality of installation screw holes (10) are formed in the installation disc (1), and the number of the carbon brush holders (2) is multiple.

5. The novel carbon brush structure of claim 1, wherein: the carbon brush is characterized in that a carbon brush body (4) is arranged inside the carbon brush holder (2), and a first telescopic spring (3) is arranged inside the carbon brush holder (2).

6. The novel carbon brush structure of claim 5, wherein: first spout (5) have been seted up to the inboard of carbon brush frame (2), the inboard fixed mounting of first spout (5) has slide bar (7), the outside fixed mounting of carbon brush body (4) has first slider (6), first slider (6) and first spout (5) sliding connection, slide bar (7) run through first slider (6).