Automobile starter brush holder

Abstract

The utility model discloses a brush holder of an automobile starter. The brush holder comprises a brush holder bottom plate, a lower insulating plate, an upper insulating plate, an anode brush box and a cathode brush box, the top of the brush holder bottom plate is buckled with an integrally formed lower insulating plate, and carbon brush through holes are formed in the middle of the brush holder bottom plate and the middle of the lower insulating plate; first buckling grooves are symmetrically formed in the left side and the right side of a carbon brush through hole in the middle of the lower insulating plate, second buckling grooves are formed in the front side and the rear side of the outer edge, and four first brush box buckling grooves are formed in the circumferential direction. Two positive brush boxes and two negative brush boxes are arranged at the top of the lower insulating plate through the first brush box buckling grooves, and the positive brush boxes and the negative brush boxes are oppositely arranged. According to the utility model, the lower insulating plate is made of the integrally formed epoxy glass cloth plate, and the brush carrier bottom plate can be supported at the bottom of the lower insulating plate, so that the structural strength of the brush carrier assembly is ensured, the brush carrier assembly can be assembled only by bending each buckle sheet, the assembly mode is single, and the assembly and production costs are greatly saved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile starters, in particular to an automobile starter brush holder. Background Art

[0002] The starter brush holder is one of the core components of the starter. The traditional starter brush holder has a relatively complex structure, such as Fig. 9 The lower insulating plate of the starter brush holder shown is composed of two insulating plates inlaid with two metal plates. This structure is to ensure the strength of the lower insulating plate, but it increases the inlaying steps and the cost of using steel plates. Since current vehicle design requires lower and lower starter costs, the assembly of traditional starter brush holders not only has more parts and higher costs, but also has a more complicated assembly process. Utility Model Content

[0003] In order to solve the problem that the traditional starter brush holder has a relatively complex structure and a complicated assembly process resulting in high production costs, the utility model provides an automobile starter brush holder.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A car starter brush holder comprises a brush holder bottom plate, a lower insulating plate, an upper insulating plate, a positive brush box and a negative brush box; an integrally formed lower insulating plate is buckled on the top of the brush holder bottom plate, and carbon brush through holes are arranged between the brush holder bottom plate and the lower insulating plate; first buckle grooves are symmetrically arranged on the left and right sides of the carbon brush through hole in the middle of the lower insulating plate, second buckle grooves are arranged on the front and rear sides of the outer edge, and four first brush box buckle grooves are arranged along the circumferential direction; two positive brush boxes and two negative brush boxes are arranged on the top of the lower insulating plate through the first brush box buckle grooves, and the positive brush boxes and the negative brush boxes are arranged oppositely; the tops of the positive brush boxes and the negative brush boxes on the same side are commonly connected to an upper insulating plate.

[0006] Preferably, the left and right sides of the bottom of the brush holder bottom plate are bent downward, and then bent outward and extended to form a mounting bracket, and the mounting bracket is provided with connecting holes for connecting bolts to install the brush holder bottom plate; the brush holder bottom plate supports the bottom of the lower insulating plate to ensure that the lower insulating plate is not easily deformed; the first buckle plates are symmetrically arranged on the left and right sides of the carbon brush through hole in the middle of the brush holder bottom plate, and the second buckle plates are symmetrically arranged on the front and back sides of the outer edge of the brush holder bottom plate, which are respectively used to buckle the first buckle groove and the second buckle groove on the lower insulating plate to fix the lower insulating plate; a connecting plate is provided on one side of the second buckle plate for connecting the negative electrode brush.

[0007] Preferably, there are two upper insulating plates, and their distribution positions correspond to the top of the mounting bracket; the inner side of the upper insulating plate is provided with avoidance grooves corresponding to the carbon brush through holes, and the outer ends are provided with second brush box buckle grooves for connecting the positive brush box and the negative brush box.

[0008] Preferably, lower buckle plates are provided at both front and rear ends of the bottom of the negative electrode brush box, upper buckle plates are provided at both front and rear ends of the top, and the middle of the lower buckle plate is divided into two halves vertically to distinguish the upper and lower sides; the structure of the negative electrode brush box is consistent with that of the positive electrode brush box.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows: the lower insulating plate of the utility model is made of an integrally formed epoxy glass cloth plate, and the brush holder bottom plate can be supported on the bottom of the lower insulating plate, ensuring its structural strength; the brush holder assembly only needs to bend each buckle piece during assembly, and the assembly method is single, which greatly saves assembly and production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0011] Figure 2 for Figure 1 Schematic diagram of the cross-sectional structure of AA;

[0012] Figure 3 This is a structural schematic diagram of the brush holder bottom plate of the utility model embodiment;

[0013] Figure 4 for Figure 3 Schematic diagram of the cross-sectional structure of the middle BB;

[0014] Figure 5 This is a schematic structural diagram of an insulating plate according to an embodiment of the utility model;

[0015] Figure 6 This is a schematic diagram of the structure of the insulating plate in the embodiment of the utility model;

[0016] Figure 7 This is a schematic diagram of the structure of the negative electrode brush box of the embodiment of the utility model;

[0017] Figure 8 for Figure 7 A right view structural diagram of ;

[0018] Fig. 9 It is a structural schematic diagram of an existing lower insulation board.

[0019] In the figure: 1. brush holder bottom plate, 101. mounting bracket, 102. connecting hole, 103. first buckle plate, 104. second buckle plate, 105. connecting plate, 2. lower insulating plate, 201. first buckle groove, 202. first brush box buckle groove, 203. second buckle groove, 204. wiring hole, 205. insulating plate, 206. metal plate, 3. upper insulating plate, 301. avoidance groove, 302. second brush box buckle groove, 4. positive brush box, 5. negative brush box, 501. lower buckle plate, 502. upper buckle plate, 6. negative brush, 7. carbon brush through hole. DETAILED DESCRIPTION

[0020] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", "vertical", "horizontal", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] like Figures 1 to 8 As shown, the embodiment of the utility model includes a brush holder bottom plate 1, a lower insulating plate 2, an upper insulating plate 3, a positive brush box 4 and a negative brush box 5; the top of the brush holder bottom plate 1 is buckled with an integrally formed lower insulating plate 2, and carbon brush through holes 7 are provided in the middle of the brush holder bottom plate 1 and the lower insulating plate 2; first buckle grooves 201 are symmetrically provided on the left and right sides of the carbon brush through hole 7 in the middle of the lower insulating plate 2, and second buckle grooves 203 are provided on the front and rear sides of the outer edge, and four first brush box buckle grooves 202 are provided along the circumferential direction; two positive brush boxes 4 and two negative brush boxes 5 are provided on the top of the lower insulating plate 2 through the first brush box buckle grooves 202, and the positive brush boxes 4 and the negative brush boxes 5 are arranged opposite to each other; the tops of the positive brush boxes 4 and the negative brush boxes 5 on the same side are commonly connected to an upper insulating plate 3.

[0023] Preferably, the left and right sides of the bottom of the brush holder base plate 1 are bent downward, and then bent outward and extended to form a mounting bracket 101. The mounting bracket 101 is provided with a connecting hole 102 for connecting bolts to install the brush holder base plate 1; the brush holder base plate 1 supports the bottom of the lower insulating plate 2 to ensure that the lower insulating plate 2 is not easily deformed; the first buckle pieces 103 are symmetrically arranged on the left and right sides of the carbon brush through hole 7 in the middle of the brush holder base plate 1, and the second buckle pieces 104 are symmetrically arranged on the front and back sides of the outer edge of the brush holder base plate 1, which are respectively used to buckle the first buckle groove 201 and the second buckle groove 203 on the lower insulating plate 2 to fix the lower insulating plate 2; a connecting piece 105 is provided on one side of the second buckle piece 104 for connecting the negative electrode brush 6.

[0024] There are two upper insulating plates 3, and their distribution position corresponds to the top of the mounting bracket 101; the inner side of the upper insulating plate 3 is provided with an avoidance groove 301 corresponding to the carbon brush through hole 7, and the outer ends are provided with second brush box buckle grooves 302 for connecting the positive brush box 4 and the negative brush box 5.

[0025] The negative electrode brush box 5 is provided with lower buckle plates 501 at both ends of the bottom and front and back, and upper buckle plates 502 are provided at both ends of the top and front and back, and the lower buckle plate 501 is divided into two halves vertically in the middle to distinguish the upper and lower sides; the structure of the negative electrode brush box 5 is consistent with that of the positive electrode brush box 4.

[0026] like Figure 1 and Figure 2 As shown, when assembling the starter brush holder, first place the lower insulating plate 2 on the top of the brush holder bottom plate 1, and make the first buckle piece 501 and the second buckle piece 502 correspond to the first buckle groove 201 and the second buckle groove 203 respectively, then bend the first buckle piece 103 and the second buckle piece 104 to fit the top of the lower insulating plate 2, and then fix the lower insulating plate 2 on the top of the brush holder bottom plate 1, and then place the two positive brush boxes 4 and the two negative brush boxes 5 on the lower insulating plate 2 according to the corresponding positions, and the lower buckle piece 501 is aligned with the first buckle groove 201 and the second buckle groove 203 respectively. The first brush box buckle groove 202 should be followed, and then the lower buckle piece 501 is bent to fit the bottom of the lower insulating plate 2, so that the two positive brush boxes 4 and the two negative brush boxes 5 can be fixed on the lower insulating plate 2, and then the two upper insulating plates 3 are placed in corresponding positions, and the upper buckle piece 502 corresponds to the second brush box buckle groove 302, and then the upper buckle piece 502 is bent to fit the top of the upper insulating plate 3 to fix the upper insulating plate 3, and then the copper wires on the two negative brushes 6 are wrapped around the connecting piece 105 to connect them.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A car starter brush holder, characterized in that: It includes a brush holder bottom plate, a lower insulating plate, an upper insulating plate, a positive brush box and a negative brush box; the top of the brush holder bottom plate is buckled with an integrally formed lower insulating plate, and carbon brush through holes are provided in the middle of the brush holder bottom plate and the lower insulating plate; first buckle grooves are symmetrically provided on the left and right sides of the carbon brush through hole in the middle of the lower insulating plate, second buckle grooves are provided on the front and rear sides of the outer edge, and four first brush box buckle grooves are provided along the circumferential direction; two positive brush boxes and two negative brush boxes are provided on the top of the lower insulating plate through the first brush box buckle grooves, and the positive brush boxes and the negative brush boxes are arranged oppositely; the tops of the positive brush boxes and the negative brush boxes on the same side are commonly connected to an upper insulating plate.

2. The automobile starter brush holder according to claim 1, characterized in that: The left and right sides of the bottom of the brush holder bottom plate are bent downward, and then bent outward and extended to form a mounting bracket, and the mounting bracket is provided with connecting holes for connecting bolts to install the brush holder bottom plate; the brush holder bottom plate supports the bottom of the lower insulating plate to ensure that the lower insulating plate is not easily deformed; the first buckle plates are symmetrically arranged on the left and right sides of the carbon brush through hole in the middle of the brush holder bottom plate, and the second buckle plates are symmetrically arranged on the front and back sides of the outer edge of the brush holder bottom plate, which are respectively used to buckle the first buckle groove and the second buckle groove on the lower insulating plate to fix the lower insulating plate; a connecting plate is arranged on one side of the second buckle plate for connecting the negative electrode brush.

3. The automobile starter brush holder according to claim 1, characterized in that: There are two upper insulating plates, and their distribution positions correspond to the top of the mounting bracket; the inner side of the upper insulating plate is provided with avoidance grooves corresponding to the carbon brush through holes, and the outer ends are provided with second brush box buckle grooves for connecting the positive brush box and the negative brush box.

4. The automobile starter brush holder according to claim 1, characterized in that: The negative electrode brush box is provided with lower buckle plates at both front and rear ends of the bottom, and upper buckle plates are provided at both front and rear ends of the top, and the middle of the lower buckle plate is divided into two halves vertically to distinguish the upper and lower sides; the structure of the negative electrode brush box is consistent with that of the positive electrode brush box.

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