CN111029873B

CN111029873B - Conductive bearing

Info

Publication number: CN111029873B
Application number: CN201911423141.3A
Authority: CN
Inventors: 左中禾
Original assignee: Matsuga Precision Products Co ltd Dongguan City
Current assignee: Matsuga Precision Products Co ltd Dongguan City
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2022-03-22
Anticipated expiration: 2039-12-30
Also published as: CN111029873A

Abstract

The invention discloses a conductive bearing, which comprises a conductive carrier, a conductive shaft and a rotating seat rotatably sleeved on the conductive shaft, wherein the conductive shaft comprises an insulating shaft core, a plurality of conducting rings sleeved on the outer side wall of the insulating shaft core and a plurality of guide parts arranged in the insulating shaft core, the conducting rings are arranged at intervals along the axial direction of the insulating shaft core, each guide part is electrically connected with a corresponding conducting ring, the conductive carrier comprises the insulating carrier and a plurality of electrical leading-out parts arranged on the insulating carrier at intervals, the rotating seat is provided with an assembling part, the insulating carrier is arranged in the assembling part, and each electrical leading-out part is electrically contacted with a corresponding conducting ring, so that reliable guiding and positioning are realized between a rotor structure formed by the conductive carrier and the rotating seat and the conductive shaft.

Description

Conductive bearing

Technical Field

The invention relates to the field of mechanical application of electrical elements, in particular to a conductive bearing.

Background

With the gradual improvement of living standard of people, people have higher and higher pursuit of health and beauty, wherein the multifunctional beauty instrument is pursued and favored by many people, and most of the current multifunctional beauty instruments can realize the functions of temperature stimulation, current stimulation and massage. Current multi-functional beauty instrument is including the handle of immobility and the massage head of doing rotation motion, during the use, will massage the head and arrange human body surface in, and the rotation of massage head reaches the relaxation to muscle and promotes human blood circulation to through on the massage overhead continuous or intermittent type nature heat, refrigerate or form behind the microcurrent, with massage, amazing and clean human body surface, realize cosmetic purpose. The massage head is generally installed on the handle through a conductive bearing, but the structure of the conductive bearing is unstable and is not favorable for disassembly and assembly due to the lack of stable and reliable guiding and positioning between the rotor and the rotating shaft of the current conductive bearing.

Therefore, there is a need for a guide bearing with reliable guidance and positioning between the rotor and the shaft to overcome the above-mentioned drawbacks.

Disclosure of Invention

The object of the invention is to provide a guide bearing with reliable guidance and positioning between the rotor and the rotor shaft.

In order to achieve the above object, the conductive bearing of the present invention includes a conductive carrier, a conductive shaft, and a rotating base rotatably sleeved on the conductive shaft, wherein the conductive shaft includes an insulating shaft core, a plurality of conductive rings sleeved on an outer side wall of the insulating shaft core, and a plurality of guide members disposed in the insulating shaft core, the plurality of conductive rings are spaced apart from each other along an axial direction of the insulating shaft core, each of the guide members is electrically connected to a corresponding one of the conductive rings, the conductive carrier includes an insulating carrier and a plurality of electrical leading-out members disposed on the insulating carrier and spaced apart from each other, an assembling portion is disposed on the rotating base, the insulating carrier is disposed in the assembling portion, and each of the electrical leading-out members is electrically contacted with a corresponding one of the conductive rings.

Preferably, the electrical leading-out part comprises an inner contact part, an outer contact part and a fixed installation part installed in the insulating carrier, the outer contact part is connected to the first end of the fixed installation part, the inner contact part is connected to the second end of the fixed installation part, the outer contact part stretches out of the insulating carrier, the inner contact part stretches out of the rotating seat and is constant and one electrically contacted with the conducting ring, the insulating carrier is provided with a circular arc-shaped outer side surface, and the outer contact part stretches out of the insulating carrier and is concentrically arranged with the circular arc-shaped outer side surface in a radial extending manner.

Preferably, the bottom of the insulating carrier protrudes outward to form a card insertion part, the rotating seat is provided with a card insertion part for the card insertion part to be inserted in a matching manner, and the card insertion part is inserted into the card insertion part.

Preferably, a mounting plane is arranged at the butt joint of the insulating carrier and the rotating seat, the rotating seat is provided with a mounting plane matched with the mounting plane, the insulating carrier is arranged in the assembling part, and the mounting plane is tightly attached to the mounting plane.

Preferably, the conductive bearing of the present invention further comprises a connecting member mounted at the top of the rotating seat, and the connecting member is sleeved and locked on the conductive shaft.

Preferably, the connecting piece includes an annular body sleeved on the insulating shaft core and a plurality of fixed buckle blocks mounted at the outer edge of the top surface of the annular body, all the fixed buckle blocks are arranged in a circle along the circumferential direction of the annular body, the fixed buckle blocks have free ends protruding outwards along the radial direction of the annular body, the free ends are arranged along the central line far away from the annular body and extending vertically relative to the central line of the annular body, the bottom surface of the annular body is provided with a plurality of matching buckle slot holes, the top of the insulating carrier is provided with an insulating buckle block, the top of the rotating seat is provided with a rotating buckle block, and the insulating buckle block and the rotating buckle block are inserted into one matching buckle slot hole respectively.

Preferably, the conductive bearing of the invention further comprises a lock ring piece with a lock through hole and an open head and tail, an inclined gap is formed between the head end and the tail end of the lock ring piece, a blocking part protrudes from the lock ring piece towards the inside of the lock through hole, a locking staple is arranged at the top of the insulating shaft core and comprises a connecting body and a blocking body arranged on the connecting body, the connecting body is arranged at the top of the insulating shaft core, the lock ring piece is sleeved on the locking staple and pressed on the annular body, and the blocking part is in blocking fit with the blocking body.

Preferably, the assembling portion is a slotted hole structure disposed on the rotating seat, the rotating seat includes a mounting ring portion and ring portions mounted on the mounting ring portion and disposed opposite to each other, and the assembling portion is disposed between the two ring portions.

Preferably, the insulating carrier comprises a plurality of mounting ring bodies sleeved on the insulating shaft core and connected with each other, each mounting ring body is provided with a sleeving through hole, the bottom surface of each mounting ring body is provided with a matching slot hole, the top surface of each mounting ring body is provided with a plug-in column, and the plug-in column on each mounting ring body is correspondingly inserted into the matching slot hole of the adjacent mounting ring body.

Preferably, each be equipped with the electrical property of two relative settings and draw forth the piece on the installation ring body, be equipped with mounting groove and the extension groove of mutual intercommunication on the installation ring body, the mounting groove runs through the lateral wall of installation ring body, the extension groove still communicate in the suit through-hole, adorn partly to install in the mounting groove, interior contact portion install in the extension groove.

Compared with the prior art, the conductive bearing of the invention comprises a conductive carrier, a conductive shaft and a rotating seat which is rotatably sleeved on the conductive shaft, wherein the conductive shaft comprises an insulating shaft core and a plurality of guide parts which are sleeved in the conductive ring on the outer side wall of the insulating shaft core and arranged on the insulating shaft core, the plurality of conductive rings are arranged at intervals along the axial direction of the insulating shaft core, each guide part is electrically connected with a corresponding conductive ring, the conductive carrier comprises an insulating carrier and a plurality of electrical leading-out parts which are arranged on the insulating carrier at intervals, the rotating seat is provided with an assembling part, the insulating carrier is arranged in the assembling part, each electrical leading-out part is electrically contacted with a corresponding conductive ring, the circuit/signal communication between the guide parts and the electrical leading-out parts is realized, and because the insulating carrier is arranged in the assembling part, the arrangement ensures that the conductive carrier can be stably and reliably guided and positioned on the rotating seat, the conductive carrier and the rotating seat actually form a rotor structure, and the rotation between the rotor structure and the conductive shaft is realized through the relative rotation between the rotating seat and the insulating shaft core, so that the structure of a part (namely the rotating seat) for realizing rotation on the rotor structure and the structure of a part (namely the conductive carrier) for realizing circuit/signal transmission are separated, the structure part (namely the conductive carrier) for realizing circuit/signal transmission can synchronously rotate relative to the conductive shaft, and is not easy to damage, so that the structure of the conductive bearing is more stable, and the conductive bearing is convenient to disassemble and assemble.

Drawings

Fig. 1 is a schematic perspective view of an assembled conductive bearing according to a first embodiment of the present invention.

Fig. 2 is a schematic perspective exploded view of the conductive bearing shown in fig. 1.

Fig. 3 is a schematic perspective view of a conductive carrier in the conductive bearing of fig. 2.

Fig. 4 is a sectional view of the planar structure taken along line a-a of fig. 3.

Fig. 5 is a schematic perspective view of a snap ring in the conductive bearing of fig. 2.

Fig. 6 is a perspective view illustrating a connection member in the conductive bearing of fig. 2.

Fig. 7 is a schematic perspective view of an assembled conductive bearing according to a second embodiment of the present invention.

Fig. 8 is a perspective exploded view of the conductive bearing shown in fig. 7.

Fig. 9 is a schematic perspective view of the conductive bearing shown in fig. 8, after an electrical lead-out component on the conductive carrier is mounted on a mounting ring.

Fig. 10 is a schematic perspective view of the electrical lead-out member of fig. 9 separated from the mounting ring.

Detailed Description

In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.

As shown in fig. 1 and fig. 2, the conductive bearing a100 of the present invention includes a conductive carrier a10, a conductive shaft a20, and a rotating base a30 rotatably mounted on the conductive shaft a20, wherein the conductive shaft a20 includes an insulating shaft core a21, a plurality of conductive rings a22 mounted on an outer side wall of the insulating shaft core a21, and a plurality of guiding members a23 disposed in the insulating shaft core a21, the plurality of conductive rings a22 are disposed at intervals along an axial direction of the insulating shaft core a21, each guiding member a23 is electrically connected to a corresponding one of the conductive rings a22, the conductive carrier a10 includes an insulating carrier a11 and a plurality of electrical leading members a12 mounted at intervals on the insulating carrier a11, the rotating base a30 is provided with a31, the insulating carrier a11 is mounted in the splicing portion a31, each electrical leading member a12 is electrically contacted with a corresponding one of the electrical leading members a22, and signal between the electrical leading members a23 and the electrical leading members 12 are electrically connected, and because the insulating carrier a11 is installed in the assembly part a31, the arrangement is such that the conductive carrier a10 is stably and reliably guided and positioned on the rotating seat a30, the conductive carrier a10 and the rotating seat a30 actually form a rotor structure, and the rotation between the rotor structure and the conductive shaft a20 is realized through the relative rotation between the rotating seat a30 and the insulating shaft core a21, so that the structure of the part (i.e. the rotating seat 30) for realizing the rotation on the rotor structure and the structure of the part (i.e. the conductive carrier a10) for realizing the circuit/signal transmission are separated, the structure part (i.e. the conductive carrier a10) for realizing the circuit/signal transmission can synchronously rotate relative to the conductive shaft a20 and is not easily damaged, so that the structure of the conductive bearing a100 is more stable, and the assembly and disassembly of the conductive bearing a100 are facilitated. Preferably, a plurality of the guides a23 are arranged by being nested from inside to outside, the guide a23 at the center of the nesting is a solid wire, and the rest of the guides a23 are arranged as tubular wires, which makes the structure of the conductive shaft a20 more compact and compact. For example, but not limited to, the insulating core a21 is provided with 5 conducting rings a22, wherein 2 conducting rings a22 are used for connecting a heating or cooling circuit, 2 conducting rings a22 are used for connecting a temperature adjusting circuit, and 1 conducting ring a22 is used for connecting a micro-current stimulating circuit. More specifically, the following:

as shown in fig. 3 and 4, the electrical lead-out member a12 includes an inner contact portion a121, an outer contact portion a122 and a fixing portion a123 installed in an insulating carrier a11, the outer contact portion a122 is connected to a first end of the fixing portion a123, the inner contact portion a121 is connected to a second end of the fixing portion a123, the outer contact portion a122 protrudes outside the insulating carrier a11, the inner contact portion a121 extends inside the rotating seat a30 and is electrically contacted with a conductive ring a22 constantly, the insulating carrier a11 has a circular outer side a111, the outer contact portion a122 extends outside the insulating carrier a11 and is arranged to extend concentrically and radially with the circular outer side a111, so that the electrical lead-out member a12 can be stably installed on the insulating carrier a11 and the outer contact portion a122 can stably and reliably transmit a circuit/signal to an external device, preferably, the inner contact portion a121 is an elastic structure so that it can be stably and continuously contacted with the a22, and the elastic structure can be formed by using elastic materials, of course, the elastic structure may be formed by bending the inner contact portion a121 and the fixing portion a123, but the present invention is not limited thereto.

As shown in fig. 1 to fig. 3, a card-inserting member a112 protrudes outward from the bottom of the insulating carrier a11, a card-inserting portion a32 is disposed on the rotating seat a30 for the card-inserting member a112 to be inserted into, and the card-inserting member a112 is inserted into the card-inserting portion a32, so that the insulating carrier a11 is stably installed in the assembling portion a 31. Specifically, a mounting plane a113 is arranged at the joint of the insulating carrier a11 and the rotating seat a30, a mounting plane a33 matched with the mounting plane a113 is arranged on the rotating seat a30, the insulating carrier a11 is installed in the assembling part a31, and the mounting plane a113 is attached to the mounting plane a33, so that the insulating carrier a11 can be effectively positioned and guided on the rotating seat a30, and the conductive carrier a10 is stably installed on the rotating seat a 30. More specifically, the assembly portion a31 is a slotted hole structure disposed on the rotating seat a30, the rotating seat a30 includes a mounting ring portion a34 and ring portions a35 mounted on the mounting ring portion a34 and disposed opposite to each other, the assembly portion a31 is disposed between the two ring portions a35, at this time, two assembly portions a31 disposed opposite to each other are disposed on the rotating seat a30, and a conductive carrier a10 is mounted in each assembly portion a31, so as to output a circuit/signal efficiently and quickly. For example, the insulating carrier a11 is a circular cylinder, but not limited thereto, so that the rotor structure formed by the rotating seat a30 and the conductive carrier a10 is a cylinder, which is beneficial to rotating and outputting the circuit/signal.

As shown in fig. 1, 2, 3, 5 and 6, in order to facilitate the installation and connection of the conductive bearing a100 with external equipment, the conductive bearing a100 of the present invention further includes a connector a40 installed at the top of the rotating seat a30, and the connector a40 is sleeved and locked on the conductive shaft a 20. Specifically, the connecting piece a40 includes an annular body a41 sleeved on the insulating shaft core a21 and a plurality of fixed buckle blocks a42 mounted at the outer edge of the top surface of the annular body a41, all the fixed buckle blocks a42 are arranged in a circle along the circumferential direction of the annular body a41, the fixed buckle blocks a42 have free ends a421 protruding outward in the radial direction of the annular body a41, the free ends a421 extend along the center line away from the annular body a41 and perpendicularly relative to the center line of the annular body a41, the bottom surface of the annular body a41 is provided with a plurality of card slot holes a411, the top of the insulating carrier a11 is provided with an insulating card block a114, the top of the rotating seat a30 is provided with a rotating card block a36, the insulating card block a114 and the rotating card block a26 are inserted into one of the card slot hole a411 respectively, so that the connecting piece a40 can lock the conductive carrier 10 on the rotating seat 30, when the conductive bearing a100 is mounted on an external device, the free ends a42 can be effectively clamped in the external device, the connection between the conductive bearing A100 and external equipment is more stable and firm, the conductive bearing A is prevented from falling off, and the use safety is effectively ensured. More specifically, in order to stably mount the connector a40 on the conductive bearing a100, the conductive bearing a100 of the present invention further includes an open-ended locking ring a50 having a locking through hole a51, an oblique notch a52 is formed between the head end and the tail end of the locking ring a50, the locking ring a50 protrudes inward the locking through hole to form a blocking portion a53, the top of the insulating shaft core a21 is provided with a locking staple a211, the locking staple a211 includes a connector a212 and a blocking body a213 mounted on the connector a212, the connector a212 is mounted on the top of the insulating shaft core a21, the locking ring a50 is sleeved on the locking staple a211 and pressed on the ring body a41, the blocking portion a53 is in blocking engagement with the blocking body a213, for example, the blocking body a213 and the connector a212 are both cylindrical bodies, and the radius of the blocking body a213 is larger than that of the connector a212, to facilitate the interference fit between interference portion a53 and catch a213, but is not limited thereto. Preferably, the locking ring member a50 has a chamfer at the periphery of the locking through hole a51, and correspondingly, the top of the blocking body a213 has a chamfer to facilitate the insertion of the locking clip a211 into the locking through hole a 51.

The working procedure of the first embodiment is described as follows: as shown in fig. 1 to 6, during installation, the rotating seat a30 is correspondingly inserted into the conductive shaft a20, the conductive carrier a10 is installed into the assembly portion a31 of the rotating seat a30, the insulating latch a114 on the insulating carrier a11 is inserted into the latch portion a32 of the rotating seat a30, then the connecting piece a40 is inserted into the middle conductive shaft a20, the rotating latch a36 on the rotating seat a30 and the insulating latch a114 on the insulating carrier a11 are correspondingly inserted into the latch groove hole a411, finally, the locking ring piece a50 is latched onto the locking clamp a211, the blocking portion a53 of the locking ring piece a50 is in blocking fit with the blocking portion a213 of the locking clamp a211, and thus the installation of the conductive bearing a100 is completed. In use, each of the guiding members a23 of the conductive shaft a20 is correspondingly connected to a circuit/signal circuit, and the inner contact portion a121 of each of the electrical leading-out members a12 is contacted with a corresponding conductive ring a22, so that a circuit/signal circuit is led out from the outer contact portion a122 of each of the electrical leading-out members a12, and the operation principle is as described above.

As shown in fig. 7 to 10, the conductive bearing a 100' of the second embodiment has substantially the same structure as the conductive bearing a100 of the first embodiment, with the following differences:

(1) the conductive carrier A10 ' is of a split structure, wherein the insulating carrier A11 ' comprises a plurality of installation ring bodies A115 ' sleeved on the insulating shaft core A21 and connected with each other, each installation ring body A115 ' is provided with a sleeving through hole A1151 ', the bottom surface of each installation ring body A115 ' is provided with an installation groove hole A1152 ', the top surface of each installation ring body A115 ' is provided with an insertion column A1153 ', and the insertion column A1153 ' on each installation ring body A115 ' is correspondingly inserted into the installation groove hole A1152 ' of the adjacent installation ring body A115 '; the arrangement is favorable for replacing the damaged or poor-conversion-efficiency electrical leading-out part A12, and the cost of replacing parts is reduced; the insulating carrier A11 'is provided with an arc outer side surface A111', and a mounting plane A113 'is arranged at the butt joint of the insulating carrier A11' and the rotating seat A30;

(2) each installation ring body A115 'is provided with two oppositely arranged electric leading-out pieces A12, the installation ring body A115' is provided with an installation groove A1154 'and an extension groove A1155' which are communicated with each other, the installation groove A1154 'penetrates through the side wall of the installation ring body A115', the extension groove A1155 'is further communicated with a sleeving through hole A1151', the installation part A123 is installed in the installation groove A1154 ', the inner contact part A121 is installed in the extension groove A1155', a position avoiding notch A1156 'is formed in the part of the installation ring body A115' opposite to the annular part A35, and the annular part A35 of the rotating seat A30 assembled with the insulating carrier A11 'is arranged in the position avoiding notch A1156'; due to the arrangement, the electric leading-out piece A12 and the mounting ring body A115' are arranged in a split mode, and processing is facilitated;

(3) the card inserting piece A1157 'of the installation ring body A115' is arranged at the edge of the bottom surface of the installation ring body A115 ', the card inserting piece A1157' is arranged corresponding to the extension groove A1155 ', a sinking platform A1158' corresponding to the card inserting piece A1157 'is arranged at the edge of the top surface of the installation ring body A115', the card inserting piece A1157 'on the installation ring body A115' is arranged in the sinking platform A1158 'of the installation ring body A115' adjacent to the card inserting piece A1157 ', the arrangement is favorable for blocking the electrical leading-out piece A12 from sliding out, and the card inserting piece A1157' at the moment is a block-shaped piece.

The working process of the second embodiment is described as follows: as shown in fig. 7 to 10, when being installed, the rotary seat a30 is correspondingly inserted into the electric conductive shaft a20, 5 installation ring bodies A115 'are sleeved on the conductive shaft A20 one by one, each installation ring body A115' is clamped into the assembly part A31, the plug-in column A1153 'on the installation ring body A115' is correspondingly inserted into the assembly groove hole A1152 'of the installation ring body A115' adjacent to the installation ring body A, the plug-in piece 1157 'on the installation ring body A115' at the lowest end is inserted into the plug-in part A32 of the rotating seat A30, then, the connecting element a40 is inserted into the middle conductive shaft a20, the rotating latch a36 on the rotating seat a30 and the insertion post a1153 ' on the uppermost mounting ring body a115 ' are inserted into the corresponding latching slot a411, and finally, the locking ring element a50 is latched onto the locking clip a211, and the blocking portion a53 of the locking ring element a50 is in blocking engagement with the latching portion a213 of the locking clip a211, thereby completing the mounting of the conductive bearing a100 '. In use, each of the guiding members a23 of the conductive shaft a20 is correspondingly connected to a circuit/signal circuit, and the inner contact portion a121 of each of the electrical leading-out members a12 is contacted with a corresponding conductive ring a22, so that a circuit/signal circuit is led out from the outer contact portion a122 of each of the electrical leading-out members a12, and the operation principle is as described above.

Compared with the prior art, the conductive bearing a100(a100 ') of the present invention includes a conductive carrier a10(a10 '), a conductive shaft a20, and a rotating seat a30 rotatably sleeved on the conductive shaft a20, the conductive shaft a20 includes an insulating shaft core a21, a plurality of conductive rings a22 sleeved on an outer side wall of the insulating shaft core a21, and a plurality of guiding members a23 arranged inside the insulating shaft core a21, the plurality of conductive rings a22 are arranged in a spaced manner along an axial direction of the insulating shaft core a21, each guiding member a21 is electrically connected with a corresponding one of the conductive rings a21, the conductive carrier a21 (a 21 ') includes an insulating carrier a21 (a 21 ') and a plurality of electrically-leading members a21 ' arranged on the insulating carrier a21 (a 21) in a spaced manner, the rotating seat a21 is provided with a splicing portion a21, the insulating carrier a21 (a 21) is mounted in the splicing portion, and each electrically-contacting with the corresponding one of the electrically-leading members a21, therefore, the circuit/signal communication between the guide piece a23 and the electrical leading-out piece a12 is realized, and since the insulating carrier a11(a11 ') is installed in the splicing part a31, the arrangement is such that the conductive carrier a10(a 10') is stably and reliably guided and positioned on the rotating seat a30, the conductive carrier a10(a10 ') and the rotating seat a30 actually form a rotor structure, and the rotation between the rotor structure and the conductive shaft a20 is realized through the relative rotation between the rotating seat a30 and the insulating shaft core a21, so that the part (i.e. the rotating seat 30 is not easy to damage) realizing the rotation on the rotor structure and the structure (i.e. the conductive carrier a10(a 10)) realizing the circuit/signal transmission are separated, the structure part (i.e. the conductive carrier a10(a 10') realizing the circuit/signal transmission can synchronously rotate relative to the conductive shaft a20, and, the structure of the conductive bearing A100(A100 ') is more stable, and the conductive bearing A100 (A100') is convenient to assemble and disassemble.

The above disclosure is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, so that the appended claims are intended to cover all such modifications and changes as fall within the true spirit of the invention.

Claims

1. A conductive bearing comprises a conductive carrier, a conductive shaft and a rotating seat which is rotatably sleeved on the conductive shaft, wherein the conductive shaft comprises an insulating shaft core, a plurality of conductive rings sleeved on the outer side wall of the insulating shaft core and a plurality of guide parts arranged in the insulating shaft core, the plurality of conductive rings are arranged at intervals along the axial direction of the insulating shaft core, each guide part is electrically connected with a corresponding conductive ring, the conductive bearing is characterized in that the conductive carrier comprises the insulating carrier and a plurality of electrical leading-out parts which are arranged on the insulating carrier and are arranged at intervals, an assembling part is arranged on the rotating seat, the insulating carrier is arranged in the assembling part, and each electrical leading-out part is in electrical contact with a corresponding conductive ring; the electrical property draws the piece including interior portion of touching, touch portion outward and install in dress portion surely in the insulating carrier, touch portion outward connect in dress portion surely's first end, touch portion connect in dress portion surely's second end, touch portion protruding stretch out outside the insulating carrier, touch portion stretch out in rotate the seat inside and permanent and one conducting ring electric contact, the insulating carrier has a convex lateral surface, touch portion stretch out behind the insulating carrier with the convex lateral surface is personally submitted concentric same footpath and is extended and arrange.

2. The conductive bearing of claim 1, wherein a card member protrudes from a bottom of the insulating carrier, and a card portion is disposed on the rotating base for the card member to fit into, and the card member is inserted into the card portion.

3. The conductive bearing of claim 1, wherein a mounting plane is disposed at a butt joint of the insulating carrier and the rotating seat, the rotating seat has a mounting plane matching with the mounting plane, the insulating carrier is mounted in the assembling portion, and the mounting plane is closely attached to the mounting plane.

4. The conductive bearing of claim 1, further comprising a connector mounted at the top of said rotatable base, said connector being sleeved and locked on said conductive shaft.

5. The conductive bearing of claim 4, wherein the connecting member comprises an annular body sleeved on the insulating shaft core and a plurality of fixing and buckling blocks mounted at an outer edge of a top surface of the annular body, all the fixing and buckling blocks are arranged in a circle along a circumferential direction of the annular body, the fixing and buckling blocks have free ends protruding outwards in a radial direction of the annular body, the free ends extend along a central line far away from the annular body and are vertically arranged relative to the central line of the annular body, a bottom surface of the annular body is provided with a plurality of matching and buckling slots, a top of the insulating carrier is provided with an insulating block, a top of the rotating seat is provided with a rotating block, and the insulating block and the rotating block are inserted into one of the matching and buckling slots respectively.

6. The conductive bearing of claim 5, further comprising a locking ring with a locking through hole and an open end, wherein an inclined gap is formed between the head end and the tail end of the locking ring, a blocking portion protrudes from the locking ring into the locking through hole, a locking clip is disposed on the top of the insulating shaft core, the locking clip comprises a connecting body and a blocking body mounted on the connecting body, the connecting body is mounted on the top of the insulating shaft core, the locking ring is sleeved on the locking clip and presses against the ring body, and the blocking portion is in blocking fit with the blocking body.

7. The conductive bearing of claim 1, wherein the assembly portion is a slot structure disposed on the rotating base, the rotating base includes a mounting ring portion and ring portions disposed on the mounting ring portion and opposite to each other, and the assembly portion is disposed between the two ring portions.

8. The conductive bearing of claim 1, wherein the insulating carrier comprises a plurality of mounting rings sleeved on the insulating shaft core and connected with each other, the mounting rings have a sleeving through hole, the bottom surface of the mounting ring is provided with a matching slot, the top surface of the mounting ring is provided with a plugging column, and the plugging column on the mounting ring is correspondingly inserted into the matching slot of the mounting ring adjacent to the mounting ring.

9. The conductive bearing of claim 8, wherein each of the mounting rings has two opposite electrical leads, the mounting rings have a mounting groove and an extending groove, the mounting groove extends through a sidewall of the mounting ring, the extending groove further communicates with the through hole, the fixing portion is mounted in the mounting groove, and the inner contact portion is mounted in the extending groove.