CN204013100U - A kind of brush holder assembly - Google Patents
A kind of brush holder assembly Download PDFInfo
- Publication number
- CN204013100U CN204013100U CN201420387230.3U CN201420387230U CN204013100U CN 204013100 U CN204013100 U CN 204013100U CN 201420387230 U CN201420387230 U CN 201420387230U CN 204013100 U CN204013100 U CN 204013100U
- Authority
- CN
- China
- Prior art keywords
- brush
- spring
- brush holder
- base plate
- carrier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a kind of brush holder assembly, its brush carrier has four, is and is relatively arranged between two on brush holder base plate, and brush is movably arranged in brush carrier, in four brush carriers, have between two brush carriers and brush holder base plate and be provided with insulation board, and insulation board is arranged on brush holder base plate by rivet; The front end of brush is end-acted on commutator cylindrical face, and the rear end of brush is connected with spring; Brush holder assembly also comprises a spring base, and spring base is connected to brush carrier rear end, and spring base and spring link together; Brush carrier lower end is provided with two jaws, on brush holder base plate, is provided with clip slot in corresponding jaw position, and jaw may be stuck on clip slot brush carrier is fixed on brush holder base plate; The end of brush carrier is provided with draw-in groove, chute and curved wall, and described spring base is provided with the draw-in groove flange, chute flanges and the arc outer rim that match with draw-in groove, chute and curved wall, and spring base is connected on brush carrier.The utility model convenient disassembly, change carbon brush convenient, and carbon brush slides without clamping stagnation in brush carrier.
Description
Technical field:
The utility model relates to brush holder assembly apparatus field, relates in particular a kind of brush holder assembly of automobile starter.
Background technology:
The brush holder assembly of prior art as shown in Figure 1, comprise brush base plate a, be arranged on four brush carrier b facing each other on brush base plate, four wind spring c and four brush d, wind spring is arranged on brush carrier outside, brush is arranged in brush carrier, and wind spring one end is arranged on brush base plate, the other end and brush link together, existing brush holder is wind spring due to what use, its wind spring elastic force is in use limited, elastic force is inhomogeneous, return is not rapid, and the kinematic accuracy of brush is affected, and can make motor power-off.
Utility model content:
The purpose of this utility model is for the deficiencies in the prior art part, and a kind of brush holder assembly is provided, and it has improved precision and intensity, and its convenient disassembly change carbon brush convenient, and carbon brush slides without clamping stagnation in brush carrier.
Technology solution of the present utility model is as follows:
A kind of brush holder assembly, it comprises brush holder base plate, brush carrier, brush, insulation board and spring, described brush carrier has four, be and be relatively arranged between two on brush holder base plate, brush is movably arranged in brush carrier, in described four brush carriers, have between two brush carriers and brush holder base plate and be provided with insulation board, and insulation board is arranged on brush holder base plate by rivet; The front end of described brush is end-acted on commutator cylindrical face, and the rear end of brush is connected with spring; Described brush holder assembly also comprises a spring base, and described spring base is connected to brush carrier rear end, and spring base and spring link together; Described brush carrier lower end is provided with two jaws, on brush holder base plate, is provided with clip slot in corresponding jaw position, and jaw may be stuck on clip slot brush carrier is fixed on brush holder base plate; The end of described brush carrier is provided with draw-in groove, chute and curved wall, and described spring base is provided with the draw-in groove flange, chute flanges and the arc outer rim that match with draw-in groove, chute and curved wall, and spring base is connected on brush carrier.
As preferably, the sidewall of described brush carrier is provided with the lead-out groove of brush lead-out wire, and the lead-out wire of brush passes from lead-out groove.
As preferably, described spring is cylindrical spring.
As preferably, described brush holder base plate is provided with four slotted eyes, and four slotted eyes are circumferentially and are arranged symmetrically with.
The beneficial effects of the utility model are:
The utility model is easy for installation, quick, replacing brush is simple and quick, simple in structure, and cost is low, changed structure and the connected mode of brush holder assembly in prior art, the elastic force while adopting cylindrical spring to use is not limited, and elastic force is even, return is rapid, makes the kinematic accuracy of brush high.
Brief description of the drawings:
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is the structural representation of prior art;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is the structural representation of brush carrier in Fig. 2;
Fig. 4 is the be hit by a bullet structural representation of spring abutment of Fig. 2.
Embodiment:
Embodiment, see accompanying drawing 2～4, a kind of brush holder assembly, it comprises brush holder base plate 1, brush carrier 2, brush 3, insulation board 4 and spring 5, and described brush carrier has four, is and is relatively arranged between two on brush holder base plate, brush is movably arranged in brush carrier, the material of described brush carrier and brush holder base plate is zinc-plated cold-reduced sheet, and its hardness intensity is large, and surface has non-oxidizability preferably; In described four brush carriers, have between two brush carriers and brush holder base plate and be provided with insulation board, and insulation board is arranged on brush holder base plate by rivet, insulation board material is epoxy laminate, and thickness is 1.5mm; The front end of described brush is end-acted on commutator cylindrical face, and the rear end of brush is connected with spring, and brush is grey cast-iron, and tensile strength is 165MPa.
Described brush holder assembly also comprises a spring base 6, and described spring base is connected to brush carrier rear end, and spring base and spring link together, spring base material is made up of the glass fibre of 70% PA46 and 30%, its intensity is large, has high-melting-point and high-crystallinity, heat-resistant antifriction.
Described brush carrier lower end is provided with two jaws 201, on brush holder base plate, is provided with clip slot in corresponding jaw position, and jaw may be stuck on clip slot brush carrier is fixed on brush holder base plate, and it is easy for installation.
The end of described brush carrier is provided with draw-in groove 202, chute 203 and curved wall 204, described spring base is provided with the draw-in groove flange 601, chute flanges 602 and the arc outer rim 603 that match with draw-in groove, chute and curved wall, spring base is connected on brush carrier, spring base can be connected to like this to brush carrier rear end, convenient disassembly simultaneously, fast.
The sidewall of described brush carrier is provided with the lead-out groove of brush lead-out wire 7, and the lead-out wire of brush passes from lead-out groove.
Described spring is cylindrical spring, and its elastic force is even, and return is rapid.
Described brush holder base plate is provided with 8, four slotted eyes of four slotted eyes and is circumferentially and is arranged symmetrically with, and can alleviate the weight of brush holder base plate.
Above-described embodiment is the specific descriptions that the utility model is carried out; just the utility model is further described; can not be interpreted as the restriction to the utility model protection range, those skilled in the art according to the content of above-mentioned utility model make some nonessential improvement and adjust all fall into protection range of the present utility model within.
Claims (4)
1. a brush holder assembly, it comprises brush holder base plate, brush carrier, brush, insulation board and spring, described brush carrier has four, be and be relatively arranged between two on brush holder base plate, brush is movably arranged in brush carrier, it is characterized in that: in described four brush carriers, have between two brush carriers and brush holder base plate and be provided with insulation board, and insulation board is arranged on brush holder base plate by rivet; The front end of described brush is end-acted on commutator cylindrical face, and the rear end of brush is connected with spring; Described brush holder assembly also comprises a spring base, and described spring base is connected to brush carrier rear end, and spring base and spring link together; Described brush carrier lower end is provided with two jaws, on brush holder base plate, is provided with clip slot in corresponding jaw position, and jaw may be stuck on clip slot brush carrier is fixed on brush holder base plate; The end of described brush carrier is provided with draw-in groove, chute and curved wall, and described spring base is provided with the draw-in groove flange, chute flanges and the arc outer rim that match with draw-in groove, chute and curved wall, and spring base is connected on brush carrier.
2. a kind of brush holder assembly according to claim 1, is characterized in that: the sidewall of described brush carrier is provided with the lead-out groove of brush lead-out wire, and the lead-out wire of brush passes from lead-out groove.
3. a kind of brush holder assembly according to claim 1, is characterized in that: described spring is cylindrical spring.
4. a kind of brush holder assembly according to claim 1, is characterized in that: described brush holder base plate is provided with four slotted eyes, and four slotted eyes are circumferentially and are arranged symmetrically with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420387230.3U CN204013100U (en) | 2014-07-14 | 2014-07-14 | A kind of brush holder assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420387230.3U CN204013100U (en) | 2014-07-14 | 2014-07-14 | A kind of brush holder assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204013100U true CN204013100U (en) | 2014-12-10 |
Family
ID=52053037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420387230.3U Expired - Fee Related CN204013100U (en) | 2014-07-14 | 2014-07-14 | A kind of brush holder assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204013100U (en) |
-
2014
- 2014-07-14 CN CN201420387230.3U patent/CN204013100U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20170714 |