CN213402665U

CN213402665U - Brush carrier of automobile generator

Info

Publication number: CN213402665U
Application number: CN202022495669.6U
Authority: CN
Inventors: 郭显富
Original assignee: Taizhou Yongshuo Auto Parts Co ltd
Current assignee: Taizhou Yongshuo Auto Parts Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-06-08
Anticipated expiration: 2030-11-02

Abstract

The utility model provides an automobile power generation machine brush yoke belongs to the auto-parts field. The automobile generator brush holder comprises a body with a square column, wherein the square column is provided with two mounting holes for mounting carbon brushes, a square ring is integrally formed on the outer wall of the square column, the axial section of the square ring is L-shaped, and the square ring consists of a ring body I and a ring body II for connecting the square column and the ring body I; the square ring is sleeved with a cover body, the bottom and the front part of the cover body are both open, the upper end of the square column is positioned in the cover body, the cover wall of the cover body is bent inwards at the open position of the bottom to form a flange, the ring body II is positioned between the flange and the ring body I, and the flange is tightly contacted with the bottom wall of the ring body II; all seted up the bar groove on the left and right both sides wall of square column, bar groove length extends along the fore-and-aft direction, and the equal opening in bar groove both ends, integrated into one piece have the shape and the size all with the bar piece that the bar groove matches on the cover body inner wall, and the bar piece has two and card establishes at two bar inslots slidable respectively. This car generator brush yoke job stabilization nature is good.

Description

Brush carrier of automobile generator

Technical Field

The utility model belongs to the auto-parts field relates to an automobile power generation machine, especially an automobile power generation machine brush yoke.

Background

The existing brush yoke is like a car generator regulator brush yoke that applicant previously proposed [ application number: 201721530677.1, comprising a body, wherein the body is provided with two mounting holes for mounting carbon brushes, the two mounting holes are arranged in parallel, the two mounting holes are separated by a partition wall arranged between the two mounting holes, the partition wall is provided with a strip-shaped groove, the length extension direction of the groove is parallel to the axial direction of the mounting holes, the groove is composed of a bottom wall, two side walls I which are arranged oppositely and two side walls II which are arranged oppositely, and the distribution direction of the two side walls I is vertical to the distribution direction of the two mounting holes; the U-shaped heat dissipation frame is characterized in that a heat dissipation frame which is U-shaped and made of heat conduction materials is vertically and fixedly arranged in the groove, two ends of the heat dissipation frame are plate-shaped connecting portions, the distribution directions of the two connecting portions are consistent with the distribution directions of the two mounting holes, two opposite sides of the two connecting portions are provided with heat dissipation portions which are protruding in a strip shape, the heat dissipation portions are abutted against two corresponding side walls, a heat insulation board which is rectangular is vertically arranged in the groove and clamped between the two connecting portions, and two side faces of the heat insulation board are respectively attached to the two side walls.

In the brush holder, when the automobile generator is used in a dirty and soft environment (such as off-road), the completely open mounting hole can cause the probability that impurities such as external dust enter the mounting hole, and the operation of the carbon brush is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided a job stabilization's automobile power generation machine brush yoke.

The purpose of the utility model can be realized by the following technical proposal: a brush holder of an automobile generator comprises a body with a square column, wherein two mounting holes for mounting a carbon brush are formed in the square column and are arranged in parallel front and back; the square ring is sleeved with a cover body, the bottom and the front of the cover body are both open, the upper end of the square column is positioned in the cover body, the cover wall of the cover body is bent inwards at the open position at the bottom to form a flange, the ring body II is positioned between the flange and the ring body I, and the flange is tightly contacted with the bottom wall of the ring body II; all seted up the bar groove on the left and right both sides wall of square column, bar groove length extends along the fore-and-aft direction, and the equal opening in bar groove both ends, and integrated into one piece has the bar piece that shape and size all match with the bar groove on the cover body inner wall, and the bar piece has two and card establishes at two bar inslot slidable ground respectively.

The square column provided with the mounting hole is positioned in the cover body and effectively shields the mounting hole, so that the probability that impurities such as dust enter the mounting hole is effectively reduced, and the running stability of the carbon brush is ensured.

Set up flange and two diapire in close contact with of ring body and bar block card at the bar inslot to the stable connection cover body and square column, promptly in this application, the cover body and square column only rely on self structure to realize fixed connection, can effectively reduce spare part and drop into, have simple structure, the convenient advantage of equipment.

In the brush holder of the automobile generator, the flanges are U-shaped matched with the second ring body, so that the contact area between the flanges and the second ring body is increased, and the connection stability of the cover body and the square column is improved.

In the automobile generator brush carrier, the rear side wall of the cover body is provided with the convex block which is pressed against the rear side surface of the square column so as to limit the installation position of the cover body, so that the cover body can slide in place at one time and is convenient to assemble.

In foretell automobile power generation machine brush yoke, the radiating groove has been seted up to the roof inboard of the cover body, and the radiating groove is the vertical bar shape and length extends along the fore-and-aft direction, and the front end of radiating groove extends to the preceding terminal surface of the cover body. The radiating groove can guide the temperature in the cover body outwards, so that the radiating is facilitated, and the running stability of the carbon brush is further improved.

In the automobile generator brush carrier, two radiating grooves are arranged in parallel in the left-right direction.

In the automobile generator brush yoke, the cross section of the strip-shaped groove is trapezoidal, and the strip-shaped block is trapezoidal matched with the strip-shaped groove.

Compared with the prior art, this automobile power generation machine brush yoke has following advantage:

1. the square column provided with the mounting hole is positioned in the cover body and effectively shields the mounting hole, so that the probability that impurities such as dust enter the mounting hole is effectively reduced, and the running stability of the carbon brush is ensured.

2. Set up flange and two diapire in close contact with of ring body and bar block card at the bar inslot to the stable connection cover body and square column, promptly in this application, the cover body and square column only rely on self structure to realize fixed connection, can effectively reduce spare part and drop into, have simple structure, the convenient advantage of equipment.

Drawings

Fig. 1 is a schematic perspective view of a brush holder of an automotive alternator.

Fig. 2 is a schematic perspective view of a brush holder of an automotive generator in another direction.

FIG. 3 is a schematic sectional view of a brush holder of a generator of an automobile.

In the figure, 1, a body; 1a, a square column; 1b, mounting holes; 1c, a square ring; 1c1, a ring body I; 1c2 and a ring II; 2. a cover body; 2a, a flange; 2b, strip-shaped blocks; 2c, a bump; 2d, a heat dissipation groove.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, the automobile generator brush holder comprises a body 1 with a square column 1a, wherein the square column 1a is provided with two mounting holes 1b which are vertically arranged and used for mounting carbon brushes, and the two mounting holes 1b are arranged in parallel in the front and at the back.

Specifically, as shown in fig. 2 and 3, a square ring 1c is integrally formed on the outer wall of the middle portion of the square column 1a, and the square ring 1c is coaxial with the square column 1 a. The axial section of the square ring 1c is in an L shape, the square ring 1c is composed of a ring body I1 c1 and a ring body II 1c2 for connecting the square column 1a and the ring body I1 c1, and the ring body II 1c2 is positioned at the lower side of the ring body I1 c 1. The cover body 2 is sleeved outside the square ring 1c, and the bottom and the front part of the cover body 2 are both open. The upper end of the square column 1a is arranged in the cover body 2, the cover wall of the cover body 2 is bent inwards at the bottom opening position to form a flange 2a, the ring body II 1c2 is arranged between the flange 2a and the ring body I1 c1, and the flange 2a is in close contact with the bottom wall of the ring body II 1c 2. Preferably, rib 2a is "U" shaped to mate with ring two 1c2 to increase the contact area between rib 2a and ring two 1c 2.

As shown in fig. 1, the left and right side walls of the square column 1a are provided with strip grooves, the length of the strip grooves extends along the front and back direction, and the two ends of the strip grooves are open. The integrated into one piece has shape and size all with the bar groove strip piece 2b that matches on the cover body 2 inner wall, and bar piece 2b has two and the card of slidable respectively to establish in two bar inslots. In this embodiment, preferably, the length of the bar-shaped block 2b is greater than the length of the bar-shaped groove, the cross section of the bar-shaped groove is trapezoidal, and the bar-shaped block 2b is trapezoidal matched with the bar-shaped groove.

Further, the rear side wall of the cover body 2 is provided with a convex block 2c, and the convex block 2c is pressed against the rear side surface of the square column 1a to limit the installation position of the cover body 2, so that the cover body 2 can slide in place at one time, and the assembly is convenient.

The radiating groove 2d has been seted up to the roof inboard of the cover body 2, and radiating groove 2d is the vertical bar and length extends along the fore-and-aft direction, and the front end of radiating groove 2d extends to the cover body 2 preceding terminal surface. The heat dissipation groove 2d can guide the temperature in the cover body 2 outwards, so that the heat dissipation efficiency is improved, and the running stability of the carbon brush is further improved. In an actual product, two heat dissipation grooves 2d are arranged in parallel in the left-right direction.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. An automobile generator brush holder comprises a body (1) with a square column (1a), wherein two mounting holes (1b) for mounting carbon brushes are formed in the square column (1a), and the two mounting holes (1b) are arranged in parallel front and back; the square ring (1c) is sleeved with a cover body (2), the bottom and the front of the cover body (2) are both open, the upper end of the square column (1a) is positioned in the cover body (2), the cover wall of the cover body (2) is bent inwards at the position of the opening at the bottom to form a flange (2a), the ring body II (1c2) is positioned between the flange (2a) and the ring body I (1c1), and the flange (2a) is tightly contacted with the bottom wall of the ring body II (1c 2); all seted up the bar groove on the left and right both sides wall of square column (1a), bar groove length extends along the fore-and-aft direction, and the equal opening in bar groove both ends, and integrated into one piece has bar piece (2b) that shape and size all match with the bar groove on the cover body (2) inner wall, and bar piece (2b) have two and can slide slidable ground card respectively and establish at two bar inslot.

2. Brush holder according to claim 1, characterized in that said rib (2a) is shaped like a "U" matching the second ring (1c 2).

3. The automobile generator brush holder according to claim 1 or 2, characterized in that the rear side wall of the cover body (2) is provided with a convex block (2c), and the convex block (2c) is pressed against the rear side surface of the square column (1 a).

4. The automobile generator brush holder according to claim 1 or 2, characterized in that the inner side of the top wall of the cover body (2) is provided with a heat dissipation groove (2d), the heat dissipation groove (2d) is straight and has a length extending along the front-rear direction, and the front end of the heat dissipation groove (2d) extends to the front end face of the cover body (2).

5. The automotive alternator brush holder according to claim 4, wherein the heat dissipating grooves (2d) are two and juxtaposed in a left-right direction.

6. The automobile generator brush holder according to claim 1 or 2, characterized in that the cross section of the bar-shaped groove is trapezoidal, and the bar-shaped block (2b) is trapezoidal matching with the bar-shaped groove.