CN213304553U - External holding type rotary conductive device - Google Patents
External holding type rotary conductive device Download PDFInfo
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- CN213304553U CN213304553U CN202022155688.4U CN202022155688U CN213304553U CN 213304553 U CN213304553 U CN 213304553U CN 202022155688 U CN202022155688 U CN 202022155688U CN 213304553 U CN213304553 U CN 213304553U
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- axle sleeve
- rotator
- wall
- bearing
- sleeve
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Abstract
The utility model discloses an outer rotatory electric installation of formula of embracing belongs to the circuit connection equipment field. This outer rotatory electric installation of formula of embracing includes: cup joint the complex axle sleeve with the rotator, cup joint the complex casing with the axle sleeve, with casing fixed connection's conducting block, and with the conducting block complex copper brush of pegging graft, the outer wall butt cooperation of copper brush and axle sleeve, the roughness of axle sleeve outer wall is less than the roughness of the surface of rotator, the utility model discloses an axle sleeve cup joints the cooperation with the rotator, makes the copper brush and the roughness of surface be less than the axle sleeve butt cooperation of rotator, can solve brush or carbon brush and rotator area of contact change among the prior art under the condition that does not carry out secondary treatment to the rotator surface, the current that appears is electrically conductive unstable problem when great, and this application does not require to rotating body surface size and roughness.
Description
Technical Field
The utility model belongs to circuit connection equipment field specifically is an outer rotatory electric installation of formula of embracing.
Background
The current conductive device of cylinder or pipe all adopts brush or carbon brush, and brush or carbon brush all adopt the face contact slidingtype to electrically conduct, and brush or carbon brush direct and rotator contact, because current rotator can reduce surface roughness when producing in order to reduce manufacturing cost, the rotator is rotary motion and can appear brush or carbon brush and rotator area of contact change when in actual use, can appear electrically conducting unstable problem when the electric current is great.
Disclosure of Invention
The purpose of the invention is as follows: the utility model provides an outer formula of embracing rotation electric installation to solve the above-mentioned problem that prior art exists.
The technical scheme is as follows: an over-hung rotating conductive device comprising: cup joint the complex axle sleeve with the rotator, cup joint the complex casing with the axle sleeve, with casing fixed connection's conducting block to and with the conducting block complex copper brush of pegging graft, the copper brush cooperates with the outer wall butt of axle sleeve, the roughness of axle sleeve outer wall is less than the roughness of rotator.
In a further embodiment, the interior circle size of axle sleeve and the excircle size transition fit or interference fit of rotator make axle sleeve and rotator fixed connection, there is predetermined space between the inner wall of casing and the outer wall of axle sleeve, can improve the electrically conductive efficiency of axle sleeve and rotator through the fixed connection of axle sleeve and rotator, can prevent that casing, conducting block and copper brush from rotating along with the rotator through setting up predetermined space between the inner wall of casing and the outer wall of axle sleeve, avoid being connected of copper brush and wire to cause the destruction.
In a further embodiment, the one end of axle sleeve is fixed mounting still has the lock sleeve, the lock sleeve cup joints in the outside of rotator, can solve the roughness of rotator through the lock sleeve and hang down the axle sleeve problem that leads to excessively low.
In a further embodiment, the rotatory electrically conductive device of formula of embracing still includes the spring of cup jointing in the copper brush outside outward, copper brush and axle sleeve butt complex one end still fixed mounting have the butt piece, the lower surface and the axle sleeve butt cooperation of butt piece, the bottom of spring and the upper surface butt cooperation of butt piece, the top and the cooperation of conducting block butt of spring, through the effect of spring between copper brush and conducting block, use the elasticity promotion copper brush of spring, make the copper brush always with the axle sleeve contact, exert the butt power that the pretightning force can improve copper brush and axle sleeve for the copper brush through the spring, and then improve electrically conductive efficiency and stability.
In a further embodiment, a tubular copper strip is sleeved at the part where the copper brush is in splicing fit with the conductive block, and the copper strip is connected with the copper brush, so that the electricity on the copper brush is transmitted to the conductive block, and the conductivity efficiency is improved.
In a further embodiment, the rotatory electrically conductive device of formula of embracing still includes the bearing of cup jointing in the axle sleeve outside outward, the inner wall of bearing and the outer wall fixed connection of axle sleeve, the outer wall of bearing and the inner wall fixed connection of casing, through connecting axle sleeve and shell, when making the axle sleeve rotatory, the shell irrotational avoids causing the destruction to being connected of copper brush and wire.
In a further embodiment, a first blocking piece is further fixedly mounted at one end, where the bearing is fixedly mounted, of the shaft sleeve, a second blocking piece is further fixedly mounted at one end, where the bearing is fixedly mounted, of the housing, the first blocking piece is in butt fit with an inner ring of the bearing, the second blocking piece is in butt fit with an outer ring of the bearing, and the inner ring and the outer ring of the bearing are limited by the first blocking piece and the second blocking piece, so that axial movement of the bearing can be prevented.
In a further embodiment, an insulating material is fixedly installed between the conductive block and the shell, and the conductive block is separated from the shell by the insulating material, so that current is prevented from being transmitted through the bearing, and the bearing is prevented from being damaged.
Has the advantages that: the utility model discloses an outer rotatory conductive device of formula of embracing, this outer rotatory conductive device of formula of embracing cup joints the cooperation through axle sleeve and rotator, makes the copper brush and roughness be less than the axle sleeve butt cooperation of rotator, can solve brush or carbon brush and rotator area of contact change among the prior art under the condition that does not carry out secondary treatment to the rotator surface, the current of appearance is electrically conductive unstable problem when great, and this application does not require to rotator surface size and roughness moreover.
Drawings
Fig. 1 is an exploded schematic view of the present invention.
Fig. 2 is a schematic partial sectional view of the present invention.
The reference numerals shown in fig. 1 to 2 are: copper brush 1, conducting block 2, spring 3, insulating assembly 4, insulating sleeve 41, insulating board 42, bearing 5, first separation blade 6, second separation blade 7, axle sleeve 8, lock sleeve 9, locking screw 91, casing 10, rotator 101.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
The applicant develops an outer holding type rotating conductive device in order to solve the problems that the rotating body is connected with conductive equipment when the rotating body rotates, the electric brush or the carbon brush is connected with the conductive equipment to solve the problem that the contact area of the electric brush or the carbon brush and the rotating body is changed, and the electric conduction is unstable when the current is large.
This outer rotatory electric installation of formula of embracing includes: the copper brush comprises a copper brush 1, a conductive block 2, a spring 3, an insulating assembly 4, an insulating sleeve 41, an insulating plate 42, a bearing 5, a first baffle 6, a second baffle 7, a shaft sleeve 8, a locking sleeve 9, a locking screw 91, a shell 10 and a rotating body 101.
The rotating body 101 is a cylindrical or circular tubular structure.
The bearing 5, the first blocking piece 6, the second blocking piece 7, the shaft sleeve 8, the locking sleeve 9 and the shell 10 are all annular structures sleeved outside the rotating body 101.
The conductive block 2 is connected with the ground wire, so that the problem that the copper brush 1 is separated from the shaft sleeve 8 due to the fact that the copper brush 1 is directly connected with the ground wire and is easily pulled by the ground wire is solved.
Axle sleeve 8 cup joints the cooperation with rotator 101, and casing 10 cup joints the cooperation with axle sleeve 8, conducting block 2 and casing 10 fixed connection, and copper brush 1 is pegged graft the cooperation with conducting block 2, and copper brush 1 passes the outer wall butt cooperation of conducting block 2 with axle sleeve 8, and the roughness on surface of 8 outer walls of axle sleeve is less than the roughness on surface of rotator 101.
The working principle is as follows: make rotator 101 and axle sleeve 8 be connected, copper brush 1 is connected with electrically conductive equipment, cup joint the cooperation through axle sleeve 8 and rotator 101, make copper brush 1 and surface roughness be less than the axle sleeve 8 butt cooperation of rotator 101, can solve among the prior art brush or carbon brush and rotator 101 area of contact change under the condition that does not carry out secondary treatment to rotator 101 surface, the current that appears is electrically conductive unstable problem when great, and this application still has the advantage that does not have the requirement to rotator 101 surface dimension and surface roughness.
In a further embodiment, when the gap between the bushing 8 and the rotating body 101 is too large, the problem of low conductive efficiency may occur, and when the gap between the bushing 8 and the housing 10 is too small, the housing 10, the conductive block 2 and the copper brush 1 may damage the connection between the copper brush 1 and the lead wire as the rotating body 101 rotates.
In order to solve the above problem, the inner circle size of the shaft sleeve 8 and the outer circle size of the rotating body 101 are in transition fit or interference fit, so that the shaft sleeve 8 is fixedly connected with the rotating body 101, and a predetermined space exists between the inner wall of the housing 10 and the outer wall of the shaft sleeve 8.
The conductive efficiency of the shaft sleeve 8 and the rotating body 101 can be improved through the fixed connection of the shaft sleeve 8 and the rotating body 101, the shell 10, the conductive block 2 and the copper brush 1 can be prevented from rotating along with the rotating body 101 by arranging a preset space between the inner wall of the shell 10 and the outer wall of the shaft sleeve 8, and the damage caused by the connection of the copper brush 1 and a lead is avoided.
In a further embodiment, since the surface roughness of the rotating body 101 is low, there is a problem that the sleeve 8 is easily detached only by dimensional fitting.
In order to solve the above problems, a locking sleeve 9 is further fixedly mounted at one end of the shaft sleeve 8, the locking sleeve 9 is sleeved on the outer side of the rotating body 101, and the locking sleeve 9 is fixedly mounted at one end of the shaft sleeve 8 through a screw, as shown in fig. 1, the locking sleeve 9 further comprises a locking screw 91 in threaded fit with one end of the locking sleeve 9, and the locking sleeve 9 is contracted through the screw on the locking sleeve 9, so that a circular pipe is clasped, and when the circular pipe rotates, the locking sleeve 9 and the shaft sleeve 8 connected with the locking sleeve 9 are driven to rotate together.
The problem that the shaft sleeve 8 falls off due to too low surface roughness of the rotating body 101 can be solved through the locking sleeve 9.
In a further embodiment, in order to improve the abutting force of the copper brush 1 and the shaft sleeve 8, the conductive efficiency and stability are further improved.
In order to solve the problem, the outer-holding type rotary conductive device further comprises a spring 3 sleeved on the outer side of the copper brush 1, a butt joint block is fixedly mounted at one end of the copper brush 1 and one end of the shaft sleeve 8 in butt joint, the lower surface of the butt joint block is in butt joint with the shaft sleeve 8, the bottom end of the spring 3 is in butt joint with the upper surface of the butt joint block, and the top end of the spring 3 is in butt joint with the conductive block 2.
Through the effect of spring 3 between copper brush 1 and conducting block 2, use the elasticity of spring 3 to promote copper brush 1, make copper brush 1 always with axle sleeve 8 contact, exert the pretightning force for copper brush 1 through spring 3 and can improve the butt force of copper brush 1 and axle sleeve 8, and then improve electrically conductive efficiency and stability.
In a further embodiment, a tubular copper strip is sleeved at the part where the copper brush 1 is in inserted fit with the conductive block 2, and the copper strip is connected with the copper brush 1 to transmit electricity on the copper brush 1 to the conductive block 2 so as to improve the conductive efficiency.
In a further embodiment, in order to further prevent the housing 10, the conductive block 2 and the copper brush 1 from rotating with the rotating body 101, the connection between the copper brush 1 and the lead is damaged.
In order to solve the above problems, the external-holding type rotary conductive device further comprises a bearing 5 sleeved outside the shaft sleeve 8, the inner wall of the bearing 5 is fixedly connected with the outer wall of the shaft sleeve 8, and the outer wall of the bearing 5 is fixedly connected with the inner wall of the shell 10.
Through connecting axle sleeve 8 and shell, when making axle sleeve 8 rotatory, the shell irrotational avoids causing the destruction to being connected of copper brush 1 and wire.
In a further embodiment, the end of the housing 10 where the bearing 5 is fixedly installed is also fixedly installed with a first baffle 6, the end of the shaft sleeve 8 where the bearing 5 is fixedly installed is also fixedly installed with a second baffle 7, the first baffle 6 is in abutting engagement with the outer ring of the bearing 5, and the second baffle 7 is in abutting engagement with the inner ring of the bearing 5.
The inner ring and the outer ring of the bearing 5 are limited through the first baffle 6 and the second baffle 7, so that the axial movement of the bearing 5 can be prevented.
In a further embodiment, when the bearing 5 and the housing 10 are made of metal, the current is easily shunted, and the bearing 5 is damaged.
In order to solve the above problems, an insulating assembly 4 is further fixedly installed between the conductive block 2 and the casing 10, as shown in fig. 1 and 2, in the embodiment, the insulating assembly 4 includes an insulating sleeve 41 and an insulating plate 42 made of insulating materials, the conductive block 2 is fixedly installed on the outer side of the casing 10 through screws, the insulating sleeve 41 is sleeved on the outer side of the screws, the insulating plate 42 is fixedly installed between the conductive block 2 and the casing 10, the screws sequentially penetrate through the insulating sleeve 41, the conductive block 2, the insulating plate 42 and the casing when the screws are installed, finally, the screws are in threaded fit with the casing, the insulating sleeve 41 insulates the screws from the conductive block 2, and the insulating plate 42 insulates the casing from the conductive block 2 to realize insulating.
The conductive block 2 is separated from the housing by an insulating material, avoiding the transmission of current through the bearing 5 and preventing damage to the bearing 5.
Claims (8)
1. An outer embracing type rotary conductive device, comprising: cup joint the complex axle sleeve with the rotator, cup joint the complex casing with the axle sleeve, with casing fixed connection's conducting block to and with the conducting block complex copper brush of pegging graft, the copper brush cooperates with the outer wall butt of axle sleeve, the roughness of axle sleeve outer wall is less than the roughness of rotator.
2. The externally embracing rotary electric conduction device according to claim 1, wherein the inner circle size of the shaft sleeve is in transition fit or interference fit with the outer circle size of the rotating body, so that the shaft sleeve is fixedly connected with the rotating body, and a predetermined space is formed between the inner wall of the shell and the outer wall of the shaft sleeve.
3. The externally embracing rotary electric conduction device according to claim 1 or 2, wherein a locking sleeve is fixedly mounted at one end of the shaft sleeve, and the locking sleeve is sleeved on the outer side of the rotating body.
4. The externally embracing rotary conductive device according to claim 3, further comprising a spring sleeved outside the copper brush, wherein a butting block is further fixedly mounted at one end of the copper brush, which is butted and matched with the shaft sleeve, the lower surface of the butting block is butted and matched with the shaft sleeve, the bottom end of the spring is butted and matched with the upper surface of the butting block, and the top end of the spring is butted and matched with the conductive block.
5. The externally embracing rotary electric conduction device according to claim 4, wherein a tubular copper strip is further sleeved on a part where the copper brush is in inserting fit with the electric conduction block.
6. The externally embracing rotary electric conduction device according to claim 3, further comprising a bearing sleeved outside the shaft sleeve, wherein the inner wall of the bearing is fixedly connected with the outer wall of the shaft sleeve, and the outer wall of the bearing is fixedly connected with the inner wall of the shell.
7. The externally embracing rotary electric conduction device according to claim 6, wherein a first blocking piece is further fixedly mounted at one end of the housing, at which the bearing is fixedly mounted, and a second blocking piece is further fixedly mounted at one end of the shaft sleeve, at which the bearing is fixedly mounted, the first blocking piece is in butt fit with an outer ring of the bearing, and the second blocking piece is in butt fit with an inner ring of the bearing.
8. The externally embracing rotary electric conduction device according to claim 6, wherein an insulating assembly is further fixedly mounted between the conductive block and the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022155688.4U CN213304553U (en) | 2020-09-27 | 2020-09-27 | External holding type rotary conductive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022155688.4U CN213304553U (en) | 2020-09-27 | 2020-09-27 | External holding type rotary conductive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213304553U true CN213304553U (en) | 2021-05-28 |
Family
ID=76010262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022155688.4U Active CN213304553U (en) | 2020-09-27 | 2020-09-27 | External holding type rotary conductive device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213304553U (en) |
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2020
- 2020-09-27 CN CN202022155688.4U patent/CN213304553U/en active Active
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