CN204216377U - A kind of sliding contact structure - Google Patents
A kind of sliding contact structure Download PDFInfo
- Publication number
- CN204216377U CN204216377U CN201420674057.5U CN201420674057U CN204216377U CN 204216377 U CN204216377 U CN 204216377U CN 201420674057 U CN201420674057 U CN 201420674057U CN 204216377 U CN204216377 U CN 204216377U
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- China
- Prior art keywords
- carbon brush
- slip ring
- rotary body
- sliding contact
- center
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Abstract
The utility model discloses a kind of sliding contact structure, comprise rotary body, slip ring assembly, carbon brush component, electricity piece; Described slip ring assembly comprises outer conducting slip ring, center conductive traveller; Described carbon brush component comprises center carbon brush, outer carbon brush; The upper surface of described center conductive traveller and the lower surface sliding contact of center carbon brush, the upper surface of described outer conducting slip ring and the lower surface sliding contact of outer carbon brush; Described center conductive traveller is electrically connected with a wire, and this wire passes through from the through wires hole of rotary body; Described rotary body is electric-conductor, and one of the positive pole, both negative poles of described electricity piece are connected with wire, and another of the positive pole of described electricity piece, both negative poles is electrically conducted by rotary body and outer conducting slip ring.The utility model can reduce the wearing and tearing of center carbon brush, outer carbon brush, thus can extend its useful life; And outer conducting slip ring transmits electric energy to electricity piece by rotary body, without the need to separately connecing copper conductor, assembling can be easier to.
Description
Technical field
The utility model relates to a kind of sliding contact structure.
Background technology
Sliding contact structure is generally used for extraneous electrical energy transfer on the electricity piece rotated along with rotary body.And existing sliding contact structure generally comprise carbon brush, with the slip ring of carbon brush sliding contact.But because carbon brush is from the radial direction contact slip ring of rotary body, causes carbon brush abrasion serious, thus have a strong impact on the useful life of carbon brush.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of sliding contact structure, and it can useful life of effectively elongation center's carbon brush, outer carbon brush.
For solving the problem, the technical scheme that the utility model adopts is as follows:
A kind of sliding contact structure, comprises rotary body, slip ring assembly, carbon brush component, is fixed on rotary body and the electricity piece that can rotate along with rotary body; Described slip ring assembly is comprised and to be arranged on rotary body top and outer conducting slip ring in the form of a ring, to be arranged on the center conductive traveller of center, rotary body top by insulating base; The described central shaft of outer conducting slip ring overlaps with the central shaft of rotary body; Described carbon brush component comprises and is positioned at center carbon brush above center conductive traveller, is positioned at outer carbon brush above outer conducting slip ring; The upper surface of described center conductive traveller and the lower surface sliding contact of center carbon brush, the upper surface of described outer conducting slip ring and the lower surface sliding contact of outer carbon brush; Described center conductive traveller is electrically connected with a wire, and this wire passes through from the through wires hole of rotary body; Described rotary body is electric-conductor, and one of the positive pole, both negative poles of described electricity piece are connected with described wire; Another of the positive pole of described electricity piece, both negative poles is electrically conducted by rotary body and outer conducting slip ring.
The positive pole of described electricity piece is connected with wire, and the negative pole of described electricity piece is electrically conducted by rotary body and outer conducting slip ring.
Negative pole, the outer conducting slip ring of electricity piece contact with rotary body respectively.
Outer conducting slip ring and the noncontact of center conductive traveller.
Center conductive traveller and outer conducting slip ring divide the inside and outside both sides being interposed between insulating base circumferential side wall.
Carbon brush component comprises two outer carbon brush, carbon brush holder; Described outer carbon brush, center carbon brush are arranged on carbon brush holder.
This sliding contact structure also comprises shell, and described rotary body is installed in rotation in shell, and described carbon brush component is fixed on shell.
Compared to existing technology, the beneficial effects of the utility model are:
The utility model is by rationally arranging the position relationship of center carbon brush, center conductive traveller, outer carbon brush, outer conducting slip ring, can realize between center carbon brush with center conductive traveller, between outer carbon brush with outer conducting slip ring that axial end contacts, the wearing and tearing of center carbon brush, outer carbon brush can be reduced, thus its useful life can be extended; And, by rationally arranging the position of center conductive traveller, the linear velocity of center conductive traveller can be made less, thus can reduce further center carbon brush abrasion, extremely long to extend its life-span further, be conducive to saving long-term maintenance cost; In addition, outer conducting slip ring transmits electric energy to electricity piece by rotary body, without the need to separately connecing copper conductor, can be easier to assembling.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Wherein, 1, rotary body; 2, electricity piece; 3, wire; 4, conduction lock-screw; 5, insulating base; 6, outer conducting slip ring; 7, center conductive traveller; 8, center carbon brush; 9, outer carbon brush; 10, shell; 11, carbon brush holder.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the utility model is described further, understands the utility model technical thought required for protection so that clearer.
As shown in Figure 1, be a kind of sliding contact structure of the present utility model, comprise rotary body 1, slip ring assembly, carbon brush component, be fixed on rotary body 1 and the electricity piece 2 that can rotate along with rotary body 1; Described slip ring assembly is comprised and to be arranged on rotary body 1 top and outer conducting slip ring 6 in the form of a ring, to be arranged on the center conductive traveller 7 of center, rotary body 1 top by insulating base 5; The central shaft of described outer conducting slip ring 6 overlaps with the central shaft of rotary body 1; Described carbon brush component comprises and is positioned at center carbon brush 8 above center conductive traveller 7, is positioned at outer carbon brush 9 above outer conducting slip ring 6; The upper surface of described center conductive traveller 7 and the lower surface sliding contact of center carbon brush 8, the described upper surface of outer conducting slip ring 6 and the lower surface sliding contact of outer carbon brush 9; Described center conductive traveller 7 is electrically connected with a wire 3, and this wire 3 passes through from the through wires hole of rotary body 1; Described rotary body 1 is electric-conductor, one of the positive pole, both negative poles of described electricity piece 2 are connected with wire 3, another of the positive pole of described electricity piece 2, both negative poles is electrically conducted by rotary body 1 and outer conducting slip ring 6, with make electric energy can through outer conducting slip ring 6, rotary body 1 and transfer to the positive pole of electricity piece 2, both negative poles another.
Preferably, the positive pole of described electricity piece 2 is connected with wire 3, and the negative pole of described electricity piece 2 is electrically conducted by rotary body 1 and outer conducting slip ring 6, thus is more convenient for assembling.Concrete, negative pole, the outer conducting slip ring 6 of electricity piece 2 contact with rotary body 1 respectively, to electrically conduct electricity piece 2 negative pole and outer conducting slip ring 6 to be made rotary body 1 by the way of contact.
Wherein, outer conducting slip ring 6 and center conductive traveller 7 noncontact, that is, can be arranged in gap between outer conducting slip ring 6 and center conductive traveller 7.Preferably, center conductive traveller 7 and outer conducting slip ring 6 points are interposed between the inside and outside both sides of insulating base 5 circumferential side wall, and center conductive traveller 7 and outer conducting slip ring 6 insulates by this sidewall separates, and contact and cause short-circuit conditions both avoiding occurring.
Preferably, described wire 3 is connected on center conductive traveller 7 by conduction lock-screw 4, to be convenient to the connection of wire 3 and center conductive traveller 7, and can be used for transmitting electric energy.
Concrete, carbon brush component comprises two outer carbon brush 9, carbon brush holder 11; Described outer carbon brush 9, center carbon brush 8 are arranged on carbon brush holder 11.This sliding contact structure also comprises shell 10, and described rotary body 1 is installed in rotation in shell 10, and described carbon brush component is fixed on shell 10.
Before use, extraneous electric supply installation is first passed through toward carbon brush component electric energy transmitting; And it should be noted that the polarity of the extraneous electric energy corresponding to center carbon brush 8 should be consistent with the polarity of electrode of the electricity piece 2 corresponding to wire 3, and the polarity of extraneous electric energy corresponding to outer carbon brush 9 should be consistent with the polarity of electrode of the electricity piece 2 of rotary body 1 correspondence.In the preferred version of the present embodiment, the positive pole of described electricity piece 2 is connected with wire 3, and the negative pole of described electricity piece 2 is electrically conducted by rotary body 1 and outer conducting slip ring 6, carbon brush 8 place, Ze Wang center transmission positive pole electric energy, the negative pole of carbon brush 9 place transmission outward electric energy.In the course of the work, by utilizing the rotation of rotary body 1 can driven rotary electricity piece 2, outer conducting slip ring 6 and center conductive traveller 7 High Rotation Speed, and the positive pole electric energy in the external world be successively through center carbon brush 8, center conductive traveller 7, conduction lock-screw 4, wire 3 and rotate electricity piece 2; And negative pole electric energy is successively through outer carbon brush 9, outer conducting slip ring 6, rotary body 1 and electricity piece 2, thus make rotation electricity piece 2 obtain electric energy normally to work.
The utility model is by rationally arranging the position relationship of center carbon brush 8, center conductive traveller 7, outer carbon brush 9, outer conducting slip ring 6, can realize between center carbon brush 8 with center conductive traveller 7, between outer carbon brush 9 with outer conducting slip ring 6, axial end contacts, the wearing and tearing of center carbon brush 8, outer carbon brush 9 can be reduced, to extend its useful life; And, by rationally arranging the position of center conductive traveller 7, the linear velocity of center conductive traveller 7 can be made less, thus can reduce further to wear and tear to center carbon brush 8, extremely long to extend its life-span further, be conducive to saving long-term maintenance cost; Outer conducting slip ring 6 transmits electric energy to electricity piece 2 by rotary body 1, without the need to separately connecing copper conductor 3, can be easy to assembling.
Above-mentioned execution mode is only preferred implementation of the present utility model; can not limit the scope of the utility model protection with this, change and the replacement of any unsubstantiality that those skilled in the art does on basis of the present utility model all belong to the utility model scope required for protection.
Claims (7)
1. a sliding contact structure, is characterized in that: comprise rotary body, slip ring assembly, carbon brush component, be fixed on rotary body and the electricity piece that can rotate along with rotary body; Described slip ring assembly is comprised and to be arranged on rotary body top and outer conducting slip ring in the form of a ring, to be arranged on the center conductive traveller of center, rotary body top by insulating base; The described central shaft of outer conducting slip ring overlaps with the central shaft of rotary body; Described carbon brush component comprises and is positioned at center carbon brush above center conductive traveller, is positioned at outer carbon brush above outer conducting slip ring; The upper surface of described center conductive traveller and the lower surface sliding contact of center carbon brush, the upper surface of described outer conducting slip ring and the lower surface sliding contact of outer carbon brush; Described center conductive traveller is electrically connected with a wire, and this wire passes through from the through wires hole of rotary body; Described rotary body is electric-conductor, and one of the positive pole, both negative poles of described electricity piece are connected with described wire; Another of the positive pole of described electricity piece, both negative poles is electrically conducted by rotary body and outer conducting slip ring.
2. sliding contact structure as claimed in claim 1, it is characterized in that: the positive pole of described electricity piece is connected with wire, the negative pole of described electricity piece is electrically conducted by rotary body and outer conducting slip ring.
3. sliding contact structure as claimed in claim 2, is characterized in that: negative pole, the outer conducting slip ring of electricity piece contact with rotary body respectively.
4. sliding contact structure as claimed in claim 1, is characterized in that: outer conducting slip ring and the noncontact of center conductive traveller.
5. the sliding contact structure as described in claim 1 or 4, is characterized in that: center conductive traveller and outer conducting slip ring divide the inside and outside both sides being interposed between insulating base circumferential side wall.
6. sliding contact structure as claimed in claim 1, is characterized in that: carbon brush component comprises two outer carbon brush, carbon brush holder; Described outer carbon brush, center carbon brush are arranged on carbon brush holder.
7. sliding contact structure as claimed in claim 1, is characterized in that: this sliding contact structure also comprises shell, and described rotary body is installed in rotation in shell, and described carbon brush component is fixed on shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420674057.5U CN204216377U (en) | 2014-11-12 | 2014-11-12 | A kind of sliding contact structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420674057.5U CN204216377U (en) | 2014-11-12 | 2014-11-12 | A kind of sliding contact structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204216377U true CN204216377U (en) | 2015-03-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420674057.5U Active CN204216377U (en) | 2014-11-12 | 2014-11-12 | A kind of sliding contact structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204216377U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109568990A (en) * | 2018-12-07 | 2019-04-05 | 湖南孝文电子科技有限公司 | A kind of rotation spray lighter conducting wire is antiwind and high_voltage isolation structure and rotation spray lighter |
| CN111470070A (en) * | 2020-05-09 | 2020-07-31 | 清华大学 | Space non-cooperative target non-contact despun identification device and method |
-
2014
- 2014-11-12 CN CN201420674057.5U patent/CN204216377U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109568990A (en) * | 2018-12-07 | 2019-04-05 | 湖南孝文电子科技有限公司 | A kind of rotation spray lighter conducting wire is antiwind and high_voltage isolation structure and rotation spray lighter |
| CN111470070A (en) * | 2020-05-09 | 2020-07-31 | 清华大学 | Space non-cooperative target non-contact despun identification device and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |