CN215343304U

CN215343304U - Motor carbon brush holder

Info

Publication number: CN215343304U
Application number: CN202121691317.6U
Authority: CN
Inventors: 薛文斌
Original assignee: Yueqing Fangbo Electric Tools Co ltd
Current assignee: Yueqing Fangbo Electric Tools Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2021-12-28
Anticipated expiration: 2031-07-23

Abstract

The utility model discloses a motor carbon brush holder, which comprises a carbon brush holder and is characterized in that: the carbon brush holder comprises a fixing frame and a rotating frame, a brush groove is formed in the rotating frame, one side of the fixing frame is a supporting surface, a mounting through hole is formed in the supporting surface, and when the rotating frame is fixed to the fixing frame, the supporting surface supports the rotating frame and adjusts the height of the brush groove. The utility model has the following advantages and effects: the length of the carbon brush can be adjusted, and the motor is suitable for different motors.

Description

Motor carbon brush holder

Technical Field

The utility model relates to the field of motor parts, in particular to a motor carbon brush holder.

Background

The carbon brush of the motor is used on a commutator or a slip ring of the motor and is used as a sliding contact body for leading out and leading in current, generally, the carbon brush mainly selects graphite, impregnated graphite and metal (copper and silver-containing) graphite on the application material of the product, when in work, the carbon brush needs to be installed on a carbon brush frame, and when in installation, pressure is applied to the carbon brush which is in sliding contact with the surface of the commutator or a collecting ring through a spring, so that the carbon brush can stably conduct current between a fixed body and a rotating body.

In the market, its width of the carbon brush of different models is all the same, and the difference of the carbon brush of different models lies in the difference of length, and the carbon brush of different models need be used to different motors, and current carbon brush frame all can not carry out the regulation of brush groove length, leads to the motor of different models to need use different carbon brush frame, and production is troublesome, and the scope of being suitable for is difficult.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a motor carbon brush holder capable of adjusting the length of a brush groove.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a motor carbon brush frame, includes carbon brush frame, characterized by: the carbon brush holder comprises a fixing frame and a rotating frame, a brush groove is formed in the rotating frame, one side of the fixing frame is a supporting surface, a mounting through hole is formed in the supporting surface, and when the rotating frame is fixed to the fixing frame, the supporting surface supports the rotating frame and adjusts the height of the brush groove.

Through adopting above-mentioned technical scheme, be provided with longer brush groove on the rotating turret, when the rotating turret is fixed in on the mount, the holding surface on the mount can be adjusted the length in brush groove, chooses the length in brush groove to be used for adapting to the carbon brush of different models according to the demand, simple structure, and the scope of application is comparatively extensive.

The utility model is further configured to: the supporting surface is sunken to have a spring chamber, spring chamber quantity be two and set up around the installation through-hole, the spring intracavity is provided with the spring leaf.

Through adopting above-mentioned technical scheme, be provided with the spring leaf between support frame and mount, when installing both, can prevent to appear colliding between the two, prevent both damages, can rely on the spring leaf to bounce the rotating turret simultaneously when dismantling, laborsaving, and can reduce both friction when fixed, increase of service life.

The utility model is further configured to: the rotating turret includes the fixed part, the protrusion has the fixed block on the fixed part, the fixed block sets up in the both ends of rotating turret, the both sides of installation through-hole are sunken to have the fixed orifices of cooperation fixed block, one side of rotating turret is equipped with spacing limit and the card of fixed rotating turret on the mount dorsad and joins in marriage the subassembly, works as when the fixed block card of rotating turret goes into in the fixed orifices and rotates, fixed rotating turret and the mount of subassembly are joined in marriage to the card, spacing limit restriction mount and rotating turret both separate.

Through adopting above-mentioned technical scheme, rely on fixed block and spacing limit cooperation, can fix rotating turret and mount through rotating, easy operation, the installation of convenient dismantlement.

The utility model is further configured to: the clamping assembly comprises a clamping piece arranged on the fixing frame, a first clamping groove is formed in the clamping piece, a second clamping groove facing the clamping piece is formed in the fixed block in a concave mode, a clamping block and a first spring connected with the clamping block are arranged in the second clamping groove in a sliding mode, and a push rod for pushing the clamping block to reset is arranged in the first clamping groove.

Through adopting above-mentioned technical scheme, rely on in the fixture block card goes into first draw-in groove, the restriction rotates and continues to rotate, plays the effect of location, can lean on the promotion push rod to promote the reseing of fixture block when dismantling, and simple structure implements easily, easy operation.

The utility model is further configured to: the first clamping groove is internally provided with a first spring, and the first spring is sleeved on the push rod.

Through adopting above-mentioned technical scheme, the push rod can reset under the effect of spring.

The utility model is further configured to: the brush groove comprises an upper cover and a lower cover, the upper cover and the carbon brush frame are integrally formed, and the lower cover extends to the fixing portion.

By adopting the technical scheme, the length of the lengthened brush groove to the greatest extent facilitates the use of more types of carbon brushes, and the application range is wide.

The utility model is further configured to: and the rotating frame is provided with a fixing groove positioned on one side of the brush groove.

Through adopting above-mentioned technical scheme for fixed carbon brush.

Drawings

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

FIG. 2 is an exploded view of an embodiment of the present invention;

FIG. 3 is a rear view of an embodiment of the present invention;

fig. 4 is an enlarged view of a portion a.

In the figure: 1. a carbon brush holder; 2. a fixed mount; 21. a support surface; 22. mounting a through hole; 23. a spring cavity; 24. a spring plate; 25. a fixing hole; 26. a limiting edge; 3. a rotating frame; 31. brushing a groove; 32. a fixed part; 33. a fixed block; 4. a fastener; 41. a first card slot; 42. a second card slot; 43. a clamping block; 44. a push rod; 45. a second spring; 5. an upper cover; 6. and fixing the grooves.

Detailed Description

Embodiments of the present invention are further described with reference to fig. 1 to 4.

The utility model provides a motor carbon brush frame 1, includes carbon brush frame 1, characterized by: the carbon brush holder 1 comprises a fixed frame 2 and a rotating frame 3, a brush groove 31 is arranged on the rotating frame 3, one side of the fixed frame 2 is a supporting surface 21, a mounting through hole 22 is arranged on the supporting surface 21, and when the rotating frame 3 is fixed on the fixed frame 2, the supporting surface 21 supports the rotating frame 3 and adjusts the height of the brush groove 31.

The supporting surface 21 is recessed with two spring cavities 23, the number of the spring cavities 23 is two, the spring cavities 23 are arranged around the mounting through holes 22, and spring pieces 24 are arranged in the spring cavities 23.

The rotating frame 3 comprises a fixing portion 32, a fixing block 33 protrudes from the fixing portion 32, the fixing block 33 is arranged at two ends of the rotating frame 3, two sides of the installation through hole 22 are recessed to form a fixing hole 25 matched with the fixing block 33, one side, back to the rotating frame 3, of the fixing frame 2 is provided with a limiting edge 26 and a clamping assembly for fixing the rotating frame 3, when the fixing block 33 of the rotating frame 3 is clamped into the fixing hole 25 and rotates, the rotating frame 3 and the fixing frame 2 are fixed through the clamping assembly, and the limiting edge 26 limits the fixing frame 2 and the rotating frame 3 to be separated.

The clamping assembly comprises a clamping piece 4 arranged on the fixing frame 2, a first clamping groove 41 is formed in the clamping piece 4, a second clamping groove 42 facing the clamping piece 4 is formed in the fixing block 33 in a concave mode, a clamping block 43 and a first spring connected with the clamping block 43 are arranged in the second clamping groove 42 in a sliding mode, and a push rod 44 for pushing the clamping block 43 to reset is arranged in the first clamping groove 41.

The first engaging groove 41 is further provided with a second spring 45, and the push rod 44 is sleeved with the second spring 45.

The brush groove 31 includes an upper cover 5 and a lower cover, the upper cover 5 being integrally formed with the carbon brush holder 1, the lower cover extending to the fixing portion 32.

The rotating frame 3 is provided with a fixing groove 6 at one side of the brush groove 31.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides an electric machine carbon brush frame (1), includes carbon brush frame (1), characterized by: carbon brush frame (1) is including mount (2) and rotating turret (3), be equipped with brush groove (31) on rotating turret (3), one side of mount (2) is holding surface (21), be provided with installation through-hole (22) on holding surface (21), work as when rotating turret (3) are fixed in mount (2), holding surface (21) support rotating turret (3) and adjust the height in brush groove (31).

2. An electric machine carbon brush holder (1) according to claim 1, characterized in that: the supporting surface (21) is sunken with spring chamber (23), spring chamber (23) quantity be two and set up around installation through-hole (22), be provided with spring leaf (24) in the spring chamber (23).

3. An electric machine carbon brush holder (1) according to claim 1, characterized in that: rotating turret (3) include fixed part (32), the protrusion has fixed block (33) on fixed part (32), fixed block (33) set up in the both ends of rotating turret (3), the both sides of installation through-hole (22) are sunken to have fixed orifices (25) of cooperation fixed block (33), one side that the rotating turret (3) was gone up dorsad in mount (2) is equipped with the card of spacing limit (26) and fixed rotating turret (3) and joins in marriage the subassembly, works as when fixed block (33) card of rotating turret (3) is gone into in fixed orifices (25) and is rotated, fixed rotating turret (3) and mount (2) of subassembly are joined in marriage to the card, spacing limit (26) restriction mount (2) and rotating turret (3) both separate.

4. A carbon brush holder (1) for an electrical machine according to claim 3, characterized in that: the clamping assembly comprises a clamping piece (4) arranged on the fixing frame (2), a first clamping groove (41) is formed in the clamping piece (4), a second clamping groove (42) facing the clamping piece (4) is formed in the fixing block (33) in a concave mode, a clamping block (43) and a first spring connected with the clamping block (43) are arranged in the second clamping groove (42) in a sliding mode, and a push rod (44) for pushing the clamping block (43) to reset is arranged in the first clamping groove (41).

5. An electric machine carbon brush holder (1) according to claim 4, characterized in that: a second spring (45) is further arranged in the first clamping groove (41), and the push rod (44) is sleeved with the second spring (45).

6. An electric machine carbon brush holder (1) according to claim 2, characterized in that: the brush groove (31) comprises an upper cover (5) and a lower cover, the upper cover (5) and the carbon brush holder (1) are integrally formed, and the lower cover extends to the fixing portion (32).

7. An electric machine carbon brush holder (1) according to claim 1, characterized in that: and a fixing groove (6) positioned on one side of the brush groove (31) is arranged on the rotating frame (3).