CN215989594U

CN215989594U - Brush box structure

Info

Publication number: CN215989594U
Application number: CN202122458172.1U
Authority: CN
Inventors: 潘木军; 陈翔
Original assignee: Moteng Technology Hefei Co ltd
Current assignee: Moteng Technology Hefei Co ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-03-08
Anticipated expiration: 2031-10-12

Abstract

The utility model discloses a brush box structure which comprises an upper cover and a lower cover, wherein the upper cover and the lower cover are detachably connected, a carbon brush is slidably connected in the lower cover, a spring is arranged between the upper surface of the carbon brush of the lower cover and the top wall of the upper cover, the side surface of the carbon brush is provided with a groove from bottom to top, the inner wall of the bottom end of the lower cover is provided with a limiting block which slides in the groove, the outer side of the bottom of the upper cover is provided with an upper connecting lug, the outer side of the top end of the lower cover is provided with a lower connecting lug corresponding to the upper connecting lug, and the upper connecting lug is connected with the lower connecting lug through a bolt. According to the brush box structure, the upper cover and the lower cover are fastened through the bolts after being buckled, so that the carbon brush can be fixed, and the brush box structure is convenient and fast to install and is more compact; the groove is matched with the limiting block, continuous abrasion of the carbon brush after the service life of the carbon brush is over is prevented, the carbon brush is prevented from being excessively used to damage a friction surface, and the applicability is high.

Description

Brush box structure

Technical Field

The utility model relates to the field of brush holder assembly parts, in particular to a brush box structure.

Background

Carbon brushes, also called brushes, are widely used as a sliding contact in many electrical devices. The carbon brush is mainly made of electrochemical graphite, natural graphite, resin graphite and metal (copper and silver-containing) graphite in product application. Carbon brushes are devices that transmit power or signals between a stationary and a rotating part of an electric motor or generator or other rotating machinery.

The position of the current generator installation grounding carbon brush is compact, the installation position needs to be processed, and especially some motors needing to be additionally provided with the grounding carbon brush are troublesome in processing the installation position.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a brush box structure, which can directly process the installation position on site only by using simple tools such as a pistol drill and the like, is not restricted by the size of the carbon brush and can be made into various specifications, and meanwhile, the matching of the groove and the limiting block ensures the safe and stable abrasion operation of the carbon brush, thereby solving the problems that the existing generator is more compact in the installation position of the grounding carbon brush, the installation position needs to be processed, and the processing and installation position are more troublesome particularly for some motors needing to be additionally provided with the grounding carbon brush.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a brush box structure, includes upper cover and lower cover, upper cover and lower cover detachable connections, sliding connection has the carbon brush in the lower cover, is equipped with the spring between the upper surface of the carbon brush of lower cover and the roof of upper cover, the slot has been seted up by supreme down to the side of carbon brush, and the bottom inner wall of lower cover is equipped with the stopper that slides in the slot.

Further inject, the bottom outside of upper cover is equipped with the engaging lug, and the top outside of lower cover is equipped with the lower engaging lug that corresponds with last engaging lug, goes up through bolted connection between engaging lug and the lower engaging lug.

Further limit, the upper connecting lug and the lower connecting lug are four and distributed in the middle of four side surfaces of the upper cover or the lower cover.

Further, a wire is fixed in the middle of the top end of the carbon brush and located on the inner side of the spring, and the top end of the wire extends into a through hole formed in the middle of the top end of the upper cover.

Further limit, the grooves are rectangular grooves symmetrically formed in two ends of the carbon brush.

Further inject, the bottom both ends of lower cover all are equipped with two installation ears.

Further limiting, a groove is formed in the upper surface of the carbon brush, a signal line is bonded in the groove, and the other end of the signal line penetrates through and extends to the outer side of the top of the upper cover.

The utility model has the following beneficial effects: according to the brush box structure, the upper cover and the lower cover are fastened through the bolts after being buckled, so that the carbon brush can be fixed, and the brush box structure is convenient and fast to install and is more compact; the groove is matched with the limiting block, continuous abrasion of the carbon brush after the service life of the carbon brush is over is prevented, the carbon brush is prevented from being excessively used to damage a friction surface, and the applicability is high.

Drawings

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

FIG. 2 is an assembled view of the present invention;

fig. 3 is a sectional view of a carbon brush of the utility model.

In the figure: 1. an upper cover; 2. a lower cover; 3. a carbon brush; 4. mounting lugs; 5. a lower engaging lug; 6. an upper connecting lug; 7. a wire; 8. a through hole; 9. a limiting block; 10. a spring; 11. a trench; 12. a signal line; 13. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a brush box structure, includes upper cover 1 and lower cover 2, upper cover 1 and 2 detachable connections of lower cover, sliding connection has carbon brush 3 in the lower cover 2, be equipped with spring 10 between the upper surface of the carbon brush 3 of lower cover 2 and the roof of upper cover 1, spring 10 is used for providing pressure for carbon brush 3, make carbon brush 3 stretch out lower cover 2, slot 11 has been seted up by supreme down to the side of carbon brush 3, the bottom inner wall of lower cover 2 is equipped with stopper 9 that slides in slot 11.

The bottom outside of upper cover 1 is equipped with engaging lug 6, the top outside of lower cover 2 is equipped with the lower engaging lug 5 that corresponds with last engaging lug 6, go up through bolted connection between engaging lug 6 and the lower engaging lug 5, the connection of upper cover 1 and lower cover 2 has been made things convenient for, the change of carbon brush 3 has also been made things convenient for simultaneously, go up engaging lug 6 and lower engaging lug 5 and be four, and distribute in the middle part of upper cover 1 or four sides of lower cover 2, make the connection atress between upper cover 1 and the lower cover 2 balanced, and stability is high.

The wire 7 is fixed in the middle of the top end of the carbon brush 3, the wire 7 is located on the inner side of the spring 10, the top end of the wire 7 extends into the through hole 8 formed in the middle of the top end of the upper cover 1, the through hole 8 facilitates wiring, and operation is very convenient.

The grooves 11 are rectangular grooves symmetrically formed at both ends of the carbon brush 3.

Two installation lugs 4 are arranged at two ends of the bottom of the lower cover 2, and the whole brush box can be conveniently and fixedly installed through screw holes in the four installation lugs 4.

The upper surface of carbon brush 3 is seted up flutedly 13, and the bottom surface of flutedly 13 and the top parallel and level of slot 11, and a signal line 12 has been bonded in flutedly 13, and the other end of signal line 12 runs through and extends to the top outside of upper cover 1, should use up soon at carbon brush 3, and the bottom surface wearing and tearing of flutedly 13, the insulating epidermis of signal line 12 is worn out, and signal line 12 switches on with 3 wearing and tearing faces of carbon brush, spreads the signal of telecommunication, plays the alarm action.

According to the brush box structure, the upper cover 1 and the lower cover 2 are fastened through the bolts to the upper connecting lug 6 and the lower connecting lug 5 after being buckled, so that the carbon brush 3 can be fixed, and the brush box structure is convenient and fast to install and is more compact; the groove 11 is matched with the limiting block 9, continuous abrasion of the carbon brush 3 after the service life is over is prevented, the friction surface is prevented from being damaged due to excessive use of the carbon brush 3, and the applicability is high.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a brush box structure, includes upper cover (1) and lower cover (2), its characterized in that: the carbon brush is provided with slot (11) from bottom to top, and the bottom inner wall of lower cover (2) is provided with stopper (9) sliding in slot (11).

2. A brush box structure according to claim 1, wherein: the bottom outside of upper cover (1) is equipped with engaging lug (6), and the top outside of lower cover (2) is equipped with lower engaging lug (5) that correspond with last engaging lug (6), goes up and passes through bolted connection between engaging lug (6) and lower engaging lug (5).

3. A brush box structure according to claim 2, wherein: the upper connecting lugs (6) and the lower connecting lugs (5) are four and distributed in the middle of four side faces of the upper cover (1) or the lower cover (2).

4. A brush box structure according to claim 1, wherein: the carbon brush is characterized in that a wire (7) is fixed in the middle of the top end of the carbon brush (3), the wire (7) is located on the inner side of the spring (10), and the top end of the wire (7) extends into a through hole (8) formed in the middle of the top end of the upper cover (1).

5. A brush box structure according to claim 1, wherein: the grooves (11) are rectangular grooves symmetrically formed in two ends of the carbon brush (3).

6. A brush box structure according to claim 1, wherein: two ends of the bottom of the lower cover (2) are provided with two mounting lugs (4).

7. A brush box structure according to any one of claims 1-6, characterized in that: the upper surface of the carbon brush (3) is provided with a groove (13), a signal line (12) is bonded in the groove (13), and the other end of the signal line (12) penetrates through and extends to the outer side of the top of the upper cover (1).