CN115360559A - Conductive slip ring, household equipment and chair - Google Patents

Abstract

The invention discloses a conductive slip ring, household equipment and a chair, wherein the conductive slip ring comprises a first connecting piece, a second connecting piece, a first terminal assembly and a second terminal assembly, and the second connecting piece is rotationally connected with the first connecting piece; the first conductive piece is provided with a conductive groove; the first terminal penetrates through the first connecting piece and is positioned on the rotating axis of the first connecting piece, one end of the first terminal is convexly arranged on the end face of the first connecting piece, and the other end of the first terminal is inserted into the conductive groove, so that when the first connecting piece rotates relative to the second connecting piece, the first terminal rotates in the conductive groove and is electrically contacted with the conductive groove; the second terminal penetrates through the first connecting piece, one end of the second terminal is convexly arranged on the end face of the first connecting piece, and the other end of the second terminal is provided with a contact piece; the second conductive member is provided with an annular groove so that the contact member rotates in the annular groove and is in electrical contact with the annular groove when the first connecting member rotates relative to the second connecting member. The technical scheme of the invention solves the problem of poor contact of the conductive slip ring.

Description

Conductive slip ring, household equipment and chair

Technical Field

The invention relates to the technical field of slip rings, in particular to a conductive slip ring, household equipment and a chair. The rotary electric signal transmission device can be suitable for realizing rotary electric signal transmission on a 360-degree rotary chair and can also be suitable for electric signal transmission in other 360-degree rotary equipment.

Background

The relative base of electronic swivel chair main part in the practical application scene needs the chair main part can carry out 360 degrees indiscriminate rotations, when rotatory arbitrary angle, guarantees that the power can normally supply power for the chair main part of upper end, guarantees that its electric function is normal.

In the related art, a common small slip ring is adopted, and the inside of the slip ring is in rotary contact with a metal spring wire so as to realize the transmission of electric energy. However, after more than thousands of rotations, the spring wire has insufficient elasticity, resulting in poor contact or damage, and poor functionality of the end product.

Disclosure of Invention

The invention mainly aims to provide a conductive slip ring, household equipment and a chair, and aims to solve the problem of poor contact of the conductive slip ring.

In order to achieve the above object, the present invention provides a slip ring, which includes a first connector, a second connector, a first terminal assembly, and a second terminal assembly, wherein the second connector is rotatably connected to the first connector; the first terminal assembly comprises a first terminal and a first conductive piece, the first conductive piece is arranged on the second connecting piece, and the first conductive piece is provided with a conductive groove; the first terminal penetrates through the first connecting piece and is positioned on the rotation axis of the first connecting piece, one end of the first terminal is convexly arranged on the end face of the first connecting piece, and the other end of the first terminal is inserted into the conductive groove, so that when the first connecting piece rotates relative to the second connecting piece, the first terminal rotates in the conductive groove and is in electrical contact with the conductive groove; the second terminal assembly comprises a second terminal, a contact piece and a second conductive piece, wherein the second terminal is arranged in the first connecting piece in a penetrating mode and deviates from the rotating axis of the first connecting piece; one end of the second terminal is arranged on the end face of the first connecting piece in a protruding mode, and the other end of the second terminal is provided with a contact piece; the second conductive piece is mounted on the second connecting piece, and is provided with an annular groove, so that when the first connecting piece rotates relative to the second connecting piece, the second terminal rotates around the rotating axis, and the contact piece rotates in the annular groove and is in electrical contact with the annular groove.

In one embodiment, the first terminal is electrically connected to a sidewall of the conductive slot; and/or the contact piece is electrically connected with the side wall of the annular groove; and/or one end of the contact piece, which is far away from the second terminal, is provided with a contact part, and the contact part is electrically connected with the bottom wall of the annular groove; and/or the first terminal is provided with a contact surface which is electrically connected with the bottom wall of the conductive groove.

In one embodiment, the contact member includes an outer race, an inner race, and electrically conductive balls between the outer race and the inner race such that the outer race is rotatable relative to the inner race; the inner ring is arranged on the second terminal, and the outer ring is used for contacting with the side wall of the annular groove; or, the contact element comprises a metal ring-shaped element arranged on the second terminal, the peripheral wall of the metal ring-shaped element is used for contacting with the side wall of the annular groove, and the metal ring-shaped element and the second terminal are integrally arranged or separately arranged.

In an embodiment, the second connecting member is provided with a first inserting hole, the first terminal assembly further includes a first metal fork piece mounted on the second connecting member, one end of the first metal fork piece is clamped on the first conductive member, and the other end of the first metal fork piece is exposed in the first inserting hole to be connected with a terminal of an electrical component extending into the first inserting hole; and/or the second connecting piece is provided with a second plug hole, the second terminal assembly further comprises a second metal fork piece arranged on the second connecting piece, one end of the second metal fork piece is electrically connected with the annular groove, and the other end of the second metal fork piece is exposed out of the second plug hole to be connected with the other terminal of the electric element extending into the second plug hole.

In one embodiment, the annular groove has a notch into which the contact part extends and a groove bottom opposite to the notch, the groove bottom extends in a direction away from the notch to form a conductive ring, and one end of the second metal fork piece clamps the conductive ring, so that the inner wall surface and the outer wall surface of the conductive ring are in contact with the second metal fork piece.

In an embodiment, a through hole is formed in the bottom of the annular groove, and the first conductive member is located in the through hole and spaced from the annular groove.

In one embodiment, the second connecting member is provided with an insulating part between the first conductive member and the annular groove.

In an embodiment, the first connecting piece is rotatably connected to the second connecting piece through a bearing piece, the bearing piece includes an outer ring, an inner ring and a ball piece located between the outer ring and the inner ring, the inner ring is connected to the first connecting piece, and the outer ring is connected to the second connecting piece, so that the first connecting piece can rotate relative to the second connecting piece.

In an embodiment, the first connecting member has a connecting space adjacent to the bearing member, and the second connecting member has a locking member, wherein the locking member can extend into the connecting space to lock with the outer ring.

The invention also provides household equipment, which comprises a conductive slip ring, wherein the conductive slip ring comprises a first connecting piece, a second connecting piece, a first terminal assembly and a second terminal assembly, and the second connecting piece is rotationally connected with the first connecting piece; the first terminal assembly comprises a first terminal and a first conductive piece, the first conductive piece is arranged on the second connecting piece, and the first conductive piece is provided with a conductive groove; the first terminal penetrates through the first connecting piece and is positioned on the rotation axis of the first connecting piece, one end of the first terminal is convexly arranged on the end face of the first connecting piece, and the other end of the first terminal is inserted into the conductive groove, so that when the first connecting piece rotates relative to the second connecting piece, the first terminal rotates in the conductive groove and is in electrical contact with the conductive groove; the second terminal assembly comprises a second terminal, a contact piece and a second conductive piece, wherein the second terminal is arranged in the first connecting piece in a penetrating mode and deviates from the rotating axis of the first connecting piece; one end of the second terminal is arranged on the end face of the first connecting piece in a protruding mode, and the other end of the second terminal is provided with a contact piece; the second conductive piece is mounted on the second connecting piece, and is provided with an annular groove, so that when the first connecting piece rotates relative to the second connecting piece, the second terminal rotates around the rotating axis, and the contact piece rotates in the annular groove and is in electrical contact with the annular groove.

The invention also provides a chair, which comprises a conductive slip ring and a driving part, wherein a first terminal and a second terminal which protrude out of the end surface of the first connecting part are used for being connected with a power supply end, and the second connecting part is used for allowing the driving part to be inserted so that the driving part is electrically connected with the first terminal and the second terminal; the conductive slip ring comprises a first connecting piece, a second connecting piece, a first terminal assembly and a second terminal assembly, wherein the second connecting piece is in rotary connection with the first connecting piece; the first terminal assembly comprises a first terminal and a first conductive piece, the first conductive piece is mounted on the second connecting piece, and a conductive groove is formed in the first conductive piece; the first terminal penetrates through the first connecting piece and is positioned on the rotation axis of the first connecting piece, one end of the first terminal is convexly arranged on the end face of the first connecting piece, and the other end of the first terminal is inserted into the conductive groove, so that when the first connecting piece rotates relative to the second connecting piece, the first terminal rotates in the conductive groove and is in electrical contact with the conductive groove; the second terminal assembly comprises a second terminal, a contact piece and a second conductive piece, wherein the second terminal penetrates through the first connecting piece and is deviated from the rotating axis of the first connecting piece; one end of the second terminal is arranged on the end face of the first connecting piece in a protruding mode, and the other end of the second terminal is provided with a contact piece; the second conductive piece is mounted on the second connecting piece, and is provided with an annular groove, so that when the first connecting piece rotates relative to the second connecting piece, the second terminal rotates around the rotating axis, and the contact piece rotates in the annular groove and is in electrical contact with the annular groove.

When the first connecting piece rotates relative to the second connecting piece, the first terminal is positioned on the rotation axis of the first connecting piece, rotates in the conductive groove of the second connecting piece through the first terminal and is in electrical contact connection with the conductive groove, so that the first terminal is electrically connected with the first conductive piece; the second terminal deviates from the rotation axis, when the first connecting piece rotates relative to the second connecting piece, the contact piece on the second terminal rotates along with the first connecting piece in the annular groove, and the contact piece is in electrical contact connection with the annular groove, so that the second terminal is electrically connected with the second conductive piece.

Therefore, the first connecting piece can rotate 360 degrees relative to the second connecting piece, signal transmission between the first terminal and the first conductive piece and between the second terminal and the second conductive piece is guaranteed, and the problem of poor contact in the rotating process of the conductive slip ring is solved. This application adopts the structure and the electrically conductive contact mode that differ completely with prior art, thoroughly changes the connected mode of sliding ring, and this electrically conductive sliding ring number of revolutions can reach 20000 ten thousand times, and does not have contact failure's problem, has ensured that the electric function of product is normal, has prolonged product life, improves product performance.

Drawings

In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of a conductive slip ring of the present invention;

FIG. 2 is another perspective view of the conductive slip ring of FIG. 1;

FIG. 3 is a schematic structural diagram of the conductive slip ring of FIG. 1 with the first and second connectors separated by one embodiment;

FIG. 4 is another perspective view of the conductive slip ring of FIG. 3 with the first connecting member separated from the second connecting member;

FIG. 5 is a further perspective view of the conductive slip ring of FIG. 3 with the first connection member separated from the second connection member;

FIG. 6 is a schematic structural diagram of the conductive slip ring of the present invention with the first connecting member removed;

FIG. 7 is a schematic structural view of an embodiment of the conductive slip ring of the present invention with the first connecting member and the bearing member removed;

FIG. 8 is a schematic structural diagram of a first terminal assembly according to an embodiment of the present invention;

fig. 9 is another perspective view of the first terminal assembly of fig. 8;

fig. 10 is an exploded view of the first terminal assembly of fig. 8;

FIG. 11 is a schematic structural diagram of a second terminal assembly according to an embodiment of the present invention;

fig. 12 is another perspective view of the second terminal assembly of fig. 11;

figure 13 is an exploded view of the second terminal assembly of figure 11;

FIG. 14 is a schematic exploded view of an embodiment of the conductive slip ring of the present invention;

FIG. 15 is an enlarged view of a portion of FIG. 14 at A;

FIG. 16 is another exploded view of an embodiment of the conductive slip ring of the present invention;

fig. 17 is a partial enlarged view at B in fig. 16.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, back, 8230; etc.) are involved in the embodiment of the present invention, the directional indications are only used for explaining the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the figure), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides a conductive slip ring.

In an embodiment of the present invention, referring to fig. 1 to 2, the slip ring 10 includes a first connector 100, a second connector 200, a first terminal assembly 300, and a second terminal assembly 400, wherein the second connector 200 is rotatably connected to the first connector 100. Referring to fig. 3, 5 to 6, the first terminal assembly 300 includes a first terminal 310 and a first conductive member 320, the first conductive member 320 is mounted on the second connecting member 200, and the first conductive member 320 has a conductive groove 321; the first terminal 310 penetrates through the first connecting part 100 and is located on the rotation axis of the first connecting part 100, one end of the first terminal 310 is protruded from the end surface of the first connecting part 100, and the other end of the first terminal 310 is inserted into the conductive groove 321, so that when the first connecting part 100 rotates relative to the second connecting part 200, the first terminal 310 rotates in the conductive groove 321 and is electrically contacted with the conductive groove 321. Referring to fig. 5 to 7, the second terminal assembly 400 includes a second terminal 410, a contact member 420 and a second conductive member 430, wherein the second terminal 410 is inserted into the first connecting member 100 and is offset from the rotation axis of the first connecting member 100; one end of the second terminal 410 is protruded on the end surface of the first connector 100, and the other end is provided with a contact 420; the second conductive member 430 is mounted to the second connection member 200, and the second conductive member 430 is provided with a ring-shaped groove 431 such that when the first connection member 100 is rotated with respect to the second connection member 200, the second terminal 410 rotates about the rotation axis, and the contact member 420 rotates in the ring-shaped groove 431 and is in electrical contact with the ring-shaped groove 431.

Specifically, referring to fig. 3 to 5, the first connecting member 100 is used for mounting the first terminal 310 of the first terminal assembly 300 and the second terminal 410 of the second terminal assembly 400, and the second connecting member 200 is used for mounting the first conductive member 320 and the second conductive member 430. The first connection member 100 and/or the second connection member 200 may be non-conductive members to prevent signal communication between the first terminal assembly 300 and the second terminal assembly 400. In one embodiment, the first connector 100 and/or the second connector 200 are plastic members to reduce the weight of the conductive slip ring 10, and the material is cheap and easy to purchase, thereby reducing the production cost of the conductive slip ring 10.

Referring to fig. 1 to 3, the first connecting element 100 is rotatably connected to the second connecting element 200, that is, the first connecting element 100 is rotatable relative to the second connecting element 200, otherwise, the second connecting element 200 is rotatable relative to the first connecting element 100, so as to realize the rotation between the first connecting element 100 and the second connecting element 200. The following embodiments are mainly described by taking the first connecting element 100 as an example to rotate relative to the second connecting element 200, but the second connecting element 200 can also rotate relative to the first connecting element 100, that is, the first connecting element 100 can rotate, and the second connecting element 200 can not move; or the first link 100 is stationary and the second link 200 is rotated.

The shapes of the first connector 100 and the second connector 200 are various, and referring to fig. 3 to 5, the first connector 100 and/or the second connector 200 may be a connecting seat. The first connector 100, the first terminal 310 and the second terminal 410 may be formed by one-time injection molding, so that the first terminal 310 and the second terminal 410 are mounted on the first connector 100. Referring to fig. 4 to 5, the first connecting member 100 has a first end surface 101 and a second end surface 102 deviating from the first end surface 101 on the rotation axis thereof, the second end surface 102 faces the second connecting member 200, the first terminal 310 passes through the first connecting member 100 and is located on the rotation axis of the first connecting member 100, and the first terminal 310 is protruded on the first end surface 101 and the second end surface 102. The first terminal 310 protruding from the first end surface 101 may be electrically connected to a power source terminal, and the first terminal 310 protruding from the second end surface 102 is electrically connected to the first conductive member 320, thereby transmitting a current signal from the power source terminal to the first conductive member 320.

Referring to fig. 4 to 6, the second terminal 410 penetrates through the first connector 100 and protrudes from the first end surface 101 and the second end surface 102, the second terminal 410 deviates from the rotation axis of the first connector 100, when the first connector 100 rotates, the first terminal 310 rotates, and the second terminal 410 rotates around the first terminal 310. The second terminal 410 protruding from the first end surface 101 may be electrically connected to a power source, and the second terminal 410 protruding from the second end surface 102 may be electrically connected to the second conductive member 430.

The first terminal 310 and the second terminal 410 are made of metal material, and may be made of other conductive materials to conduct current. The first terminal 310 and the second terminal 410 may have various shapes, and may be provided in a cylindrical shape or a flat pin shape. Referring to fig. 6, in an embodiment, the first terminal 310 is disposed in a cylindrical shape, and the second terminal 410 is disposed in a flat-needle shape as a whole.

Referring to fig. 3 and 6, the second connecting member 200 is provided with a first conductive member 320 and a second conductive member 430, and similarly, the second connecting member 200, the first conductive member 320 and the second conductive member 430 may be formed by injection molding in a double injection molding manner, so that the first conductive member 320 and the second conductive member 430 are mounted on the second connecting member 200. Referring to fig. 15 and 17, the first conductive member 320 is disposed coaxially with the first terminal 310, one end of the first conductive member 320 facing the first terminal 310 is provided with a conductive groove 321, the conductive groove 321 is used for the first terminal 310 to be inserted, and a groove wall of the conductive groove 321 contacts the first terminal 310, so as to realize current transmission between the first terminal 310 and the first conductive member 320. When the first connector 100 rotates relative to the second connector 200, the first terminal 310 rotates in the conductive groove 321 and contacts with the wall of the conductive groove 321, so as to achieve a rotating contact connection, and a signal between the first terminal 310 and the first conductive member 320 is conducted.

Referring to fig. 3, 7 and 11, the second conductive member 430 is provided with a ring-shaped groove 431, and the rotation axis of the first connector 100 may pass through the center of the ring-shaped groove 431. The annular groove 431 is made of a conductive material to realize the conduction of current. The notch of the annular groove 431 faces the second connecting element 200, the second terminal 410 may be provided with a contact element 420, the contact element 420 is also made of a conductive material, referring to fig. 16 to 17, when the first connecting element 100 is matched with the second connecting element 200, the contact element 420 is located in the annular groove 431 and contacts with the annular groove 431, so as to realize signal conduction between the second terminal 410 and the second conductive element 430. When the first connection member 100 rotates relative to the second connection member 200, the contact member 420 moves along the circumferential direction of the annular groove 431 and contacts with the groove wall of the annular groove 431, so that the contact member 420 and the second annular groove 431 are in rotating contact, and a signal between the second terminal 410 and the second conductive member 430 is conducted.

The conductive groove 321 and the contact member 420 have various structures as long as the conductive groove 321 and the first terminal 310 can be electrically contacted and the annular groove 431 and the contact member 420 can be electrically contacted during the rotation. One or more of the first terminal 310, the second terminal 410, the contact member 420, the conductive groove 321 and the annular groove 431 may be made of a copper alloy material, and the end surface of the first terminal 310 inserted into the conductive groove 321, the groove wall surface of the conductive groove 321, the outer surface of the contact member 420 and the groove wall surface of the annular groove 431 may be provided with a wear-resistant layer to achieve a wear-resistant effect and reduce wear therebetween. It should be noted that the wear-resistant layer is made of a conductive material, so as to ensure signal conduction between the wear-resistant layer and the wear-resistant layer. In one embodiment, the wear-resistant layer is a metal coating, and the material of the metal coating may be nickel.

When the first connecting piece 100 of the technical solution of the present invention rotates relative to the second connecting piece 200, because the first terminal 310 is located at the rotation axis of the first connecting piece 100, the first terminal 310 rotates in the conductive groove 321 of the second connecting piece 200 and is electrically connected to the conductive groove 321, so as to electrically connect the first terminal 310 to the first conductive piece 320; the second terminal 410 is offset from the rotational axis, and when the first connector 100 rotates relative to the second connector 200, the contact member 420 of the second terminal 410 rotates with the first connector 100 in the annular groove 431, and the contact member 420 is electrically connected to the annular groove 431, thereby electrically connecting the second terminal 410 to the second conductive member 430.

Thus, the first connecting member 100 can rotate 360 degrees relative to the second connecting member 200, and signal transmission between the first terminal 310 and the first conductive member 320 and between the second terminal 410 and the second conductive member 430 is ensured, thereby solving the problems of poor contact and multiple switching of the wiring harness of the power supply during the rotation of the conductive slip ring 10. This application adopts the structure and the electrically conductive contact mode that differ completely with prior art, thoroughly changes the connected mode of sliding ring, and this electrically conductive sliding ring 10 number of revolutions can reach 20000 ten thousand times, and does not have the problem of contact failure, has ensured that the electric function of product is normal, has prolonged product life, improves product performance.

There are various contact manners of the first terminal 310 and the conductive groove 321, please refer to fig. 6, 14 to 15, in an embodiment, the first terminal 310 is electrically connected to a sidewall of the conductive groove 321. The first terminal 310 rotates in the conductive groove 321, and is electrically connected to the sidewall of the conductive groove 321 through the peripheral wall of the first terminal 310, thereby achieving signal conduction between the first terminal 310 and the conductive groove 321.

In order to further ensure the signal conduction between the first terminal 310 and the first conductive member 320, referring to fig. 15, in an embodiment, the end of the first terminal 310 inserted into the conductive groove 321 is disposed in a cylindrical shape, and the conductive groove 321 is disposed in a circular groove, so that the peripheral wall of the first terminal 310 contacts the entire side wall of the conductive groove 321, thereby increasing the contact area and ensuring the signal conduction therebetween.

In one embodiment, the first terminal 310 is provided with a contact surface, and the contact surface is electrically connected to the bottom wall of the conductive groove 321. The end of the first terminal 310 is provided with a contact surface, and when the first terminal 310 is inserted into the conductive groove 321, the contact surface contacts with the bottom wall of the conductive groove 321, so that the contact surface contacts with the conductive groove 321 no matter how the first terminal 310 rotates, and signal conduction between the first terminal 310 and the conductive groove 321 is ensured.

Similarly, the contact member 420 may contact the annular groove 431 in various ways, and referring to fig. 7, 11 and 17, in an embodiment, the contact member 420 is electrically connected to a sidewall of the annular groove 431. The inner sidewall of the annular groove 431 contacts the contact member 420, and when the first connector 100 rotates the contact member 420, the contact member 420 moves against the inner sidewall of the annular groove 431, thereby rotating in the annular groove 431 and electrically connecting the contact member 420 and the annular groove 431. It will be appreciated that the contact 420 moves against the inner wall surface of the outer circle of the annular groove 431, and may also move against the inner wall surface of the inner circle of the annular groove 431.

In addition to being electrically connected to the side wall of the annular groove 431, referring to fig. 11 and 13, in an embodiment, an end of the contact 420 away from the second terminal 410 is provided with a contact portion 440, and the contact portion 440 is electrically connected to the bottom wall of the annular groove 431. The contact portion 440 is made of a conductive material, and the contact portion 440 is disposed at an end of the contact 420 away from the second terminal 410, and the contact portion 440 contacts with a bottom wall of the annular groove 431, so that signal conduction between the second terminal 410 and the annular groove 431 is achieved. It is understood that, referring to fig. 16, the contact portion 440 may be a portion of the second terminal 410, and the second terminal 410 passes through the contact 420 and protrudes from an end surface of the contact 420.

The structure of the contact member 420 can be varied, referring to fig. 13, in one embodiment, the contact member 420 includes an outer ring, an inner ring, and conductive balls disposed between the outer ring and the inner ring, so that the outer ring can rotate relative to the inner ring; the inner ring is mounted to the second terminal 410, and the outer ring is configured to contact a sidewall of the annular groove 431.

The outer ring and the inner ring are made of conductive materials, the inner ring is located in the outer ring, a plurality of conductive balls are arranged between the inner ring and the outer ring along the circumferential direction of the inner ring, and therefore the outer ring can rotate relative to the inner ring. The inner ring can be sleeved on the periphery of the second terminal 410, and the inner ring and the second terminal 410 can be fixedly connected or rotatably connected as long as current can be transmitted among the outer ring, the conductive balls, the inner ring and the second terminal 410.

Referring to fig. 11 and 13, the outer ring is configured to contact a sidewall of the annular groove 431, so that when the contact 420 moves in the annular groove 431, the outer ring is attached to the sidewall of the annular groove 431 and rotates along with the rotation of the first connection member 100, so as to reduce friction between the contact 420 and the annular groove 431, increase the number of rotations of the conductive slip ring 10, and prolong the service life of the conductive slip ring 10.

Unlike the above embodiment, in one embodiment, the contact member 420 includes a metal ring member mounted to the second terminal 410, a peripheral wall of the metal ring member being configured to contact a side wall of the annular groove 431, and the metal ring member being integrally or separately provided with the second terminal 410.

The metal ring is used for conducting current, and when the metal ring moves in the annular groove 431 and is in contact with the side wall of the annular groove 431, the peripheral wall of the metal ring is attached to the side wall of the annular groove 431, so that friction between the metal ring and the side wall of the annular groove 431 is reduced. The ring-shaped metal member may be provided separately from the second terminal 410 to facilitate replacement of a new ring-shaped metal member; or may be integrally formed with the second terminal 410 to facilitate the transmission of current between the metal ring and the second terminal 410.

The first conductive member 320 and/or the second conductive member 430 may or may not protrude from an end of the second connecting member 200 far away from the first connecting member 100. Referring to fig. 1, 14 and 16, in an embodiment, the first conductive member 320 and the second conductive member 430 do not protrude from an end of the second connecting member 200 away from the first connecting member 100. The second connector 200 is provided with a first inserting hole 200a, and the first inserting hole 200a is used for inserting a terminal of the driving member and electrically connected to the first conductive member 320, so that a current signal is transmitted from a power source end to the driving member through the first terminal 310 and the first conductive member 320, and the driving member operates. Similarly, referring to fig. 1, a second inserting hole 200b is formed on the second connecting member 200, and the second inserting hole 200b is used for inserting another terminal of the driving member and is electrically connected to the second conductive member 430, so that a current signal can be transmitted between the power source terminal, the second terminal 410, the second conductive member 430 and the driving member.

It will be appreciated that the drive member may be in direct electrical contact with the conductive groove 321 and the annular groove 431 or may be in indirect electrical contact with the conductive groove 321 and the annular groove 431. Referring to fig. 8 to 10, in an embodiment, the first terminal assembly 300 further includes a first metal prong 330 mounted on the second connecting member 200, one end of the first metal prong 330 is clamped to the first conductive member 320, and the other end thereof is exposed to the first plug hole 200a to connect with a terminal of an electrical component extending into the first plug hole 200 a.

Referring to fig. 15 to 16, the first metal fork 330 is located on the rotation axis, the first metal fork 330 is clamped at one end of the first conductive member 320 away from the conductive slot 321, and the other end of the first metal fork is exposed in the first inserting hole 200a, and may be protruded on a hole wall surface of the first inserting hole 200a or flush with a hole wall surface of the first inserting hole 200 a. When the driving member is inserted into the first inserting hole 200a, the driving member contacts the first metal prong 330, and the first metal prong 330 contacts the conductive groove 321, so as to transmit a current signal between the first conductive member 320 and the driving member.

Referring to fig. 9 to 10, in an embodiment, the first metal fork 330 includes two first clamping arms 331, two second clamping arms 332, and a connecting portion 333, the two first clamping arms 331 are connected to one side of the connecting portion 333, a first clamping slot 330a is formed between the two first clamping arms 331 and the connecting portion 333, and a distance between the two first clamping arms 331 gradually decreases from the connecting portion 333 to a distal end of the first clamping arm 331. The first clamping arm 331 is elastically deformable, so that the two clamping arms can be stably clamped on the outer peripheral wall of the first conductive member 320, and the conduction of the current signal between the two clamping arms is realized.

Similarly, referring to fig. 10, two second clipping arms 332 are connected to the other side of the connecting portion 333, a second clipping slot is formed between the two second clipping arms 332 and the connecting portion 333, and the distance between the two second clipping arms 332 gradually decreases from the connecting portion 333 to the end of the second clipping arm 332. The second clip arm 332 is elastically deformable, and the second clip groove is located in the first insertion hole 200a so as to be clamped at the periphery of a terminal of the driving member, thereby realizing stable and reliable current signal conduction between the driving member and the first metal fork 330.

Referring to fig. 11 to 13, in an embodiment, the second terminal assembly 400 further includes a second metal prong 450 mounted on the second connecting element 200, one end of the second metal prong 450 is electrically connected to the annular groove 431, and the other end thereof is exposed to the second plug hole 200b to be connected to another terminal of the electrical component extending into the second plug hole 200 b.

Referring to fig. 14 to 15, the second metal prong 450 is offset from the rotation axis, one end of the second metal prong 450 is electrically connected to the annular groove 431, and the other end thereof is exposed in the second insertion hole 200b, and may be protruded from the hole wall surface of the second insertion hole 200b or flush with the hole wall surface of the second insertion hole 200 b. When the driving member is inserted into the second inserting hole 200b, the driving member contacts the second metal prong 450, and the second metal prong 450 contacts the annular groove 431, so that the current signal is transmitted between the second conductive member 430 and the driving member.

It can be understood by those skilled in the art that the structure of the second metal forked piece 450 can refer to the specific structural configuration of the first metal forked piece 330, and has the beneficial effects brought by the technical solutions of the corresponding embodiments, which are not described in detail herein.

Referring to fig. 12, 14 to 15, in an embodiment, the annular groove 431 has a notch for the contact 420 to extend into and a groove bottom opposite to the notch, the groove bottom extends in a direction away from the notch to form a conductive ring 432, and one end of the second metal fork 450 clamps the conductive ring 432, so that an inner wall surface and an outer wall surface of the conductive ring 432 are in contact with the second metal fork 450.

Referring to fig. 15, the conductive ring 432 is disposed at the bottom of the annular groove 431, and the second metal fork 450 is clamped between the inner wall surface and the outer wall surface of the conductive ring 432, so that the second metal fork 450 and the conductive ring 432 are stably connected, and a current signal can be conducted between the conductive ring 432 and the second metal fork 450, thereby transmitting the current signal to the annular groove 431. In this way, the second metal prongs 450 are not directly clamped on the annular groove 431, and do not affect the contact 420 moving in the annular groove 431, and the reliability of current transmission is ensured.

Referring to fig. 6 to 7, in an embodiment, a through hole 431a is disposed at a bottom of the annular groove 431, and the first conductive member 320 is disposed in the through hole 431a and spaced apart from the annular groove 431. The through hole 431a passes through the annular groove 431 and the conductive ring 432, the first conductive member 320 passes through the through hole 431a and is arranged at an interval with the annular groove 431 and the conductive ring 432, so that the first conductive member 320 is prevented from contacting the second conductive member 430, and the current signal of the first terminal assembly 300 is prevented from being conducted with the current signal of the second terminal assembly 400.

Further, referring to fig. 3 and 15, in an embodiment, the second connecting member 200 is provided with an insulating portion 210, and the insulating portion 210 is located between the first conductive member 320 and the annular groove 431. The insulation part 210 is located in the through hole 431a, and is sleeved on the outer peripheral wall of the first conductive member 320, and the insulation member is arranged between the first conductive member 320 and the annular groove 431 to play an insulation role, so as to further prevent the first conductive member 320 from contacting with the second conductive member 430, and prevent the current signal of the first terminal assembly 300 from being conducted with the current signal of the second terminal assembly 400.

Referring to fig. 3 to 5, in an embodiment, the first connecting member 100 is rotatably connected to the second connecting member 200 through a bearing member 500, the bearing member 500 includes an outer ring 510, an inner ring 520, and a ball member located between the outer ring 510 and the inner ring 520, the inner ring 520 is connected to the first connecting member 100, and the outer ring 510 is connected to the second connecting member 200, so that the first connecting member 100 can rotate relative to the second connecting member 200.

Referring to fig. 4 to 5, the inner ring 520 of the bearing member 500 is sleeved on the outer circumferential wall of the first connecting member 100, and the inner ring 520 and the outer circumferential wall may be bonded or connected by other methods, so as to mount the bearing member 500 on the first connecting member 100. Referring to fig. 5 and 15, in an embodiment, the outer peripheral wall of the first connecting member 100 is provided with a hook member 110, and the hook member 110 is used for hooking the end surface of the inner ring 520 to prevent the bearing member 500 from falling off the first connecting member 100, so as to mount the bearing member 500 on the first connecting member 100. It is understood that the number of the hook members 110 may be plural, and the two hook members 110 may be disposed opposite to each other.

Referring to fig. 3 to 4 and 15, the second connecting member 200 is provided with a receiving groove 200c for receiving the bearing member 500, the second conductive member 430 and the first conductive member 320 are disposed at the bottom of the receiving groove 200c, and when the first connecting member 100 is mated with the second connecting member 200, the bearing member 500 is received in the receiving groove 200c, so that the first connecting member 100 is mated with the second connecting member 200 more tightly, and the first connecting member 100 is rotated relative to the second connecting member 200.

The ball members of the bearing member 500 are plural and arranged along the circumference of the inner ring 520. The outer ring 510 of the bearing member 500 may be connected to the receiving groove 200c in various ways, and the outer ring 510 may be mounted in the receiving groove 200c by bonding or may be mounted in the receiving groove 200c by other ways.

Referring to fig. 5 to 6, in an embodiment, the first connecting member 100 has a connecting space 100a adjacent to the bearing member 500, the second connecting member 200 has a locking member 220, and the locking member 220 can extend into the connecting space 100a to be locked with the outer ring 510.

Referring to fig. 4 to 6, when the hook member 110 is fastened to an end surface of the inner ring 520 of the bearing member 500, a connection space 100a is formed between the other side of the bearing member 500 away from the hook member 110 and the first connecting member 100, and the connection space 100a may extend along the circumferential direction of the rotation axis to give way to the hook member 220 of the second connecting member 200. The locking member 220 can be inserted into the connection space 100a and locked with the outer ring 510 of the bearing member 500, so as to stably connect the second connecting member 200 with the first connecting member 100. Moreover, the fastening element 220 is detachably fastened to the outer ring 510, which facilitates the daily maintenance, production and assembly of the conductive slip ring 10.

The invention further provides a home device, which includes the conductive slip ring 10, and the specific structure of the conductive slip ring 10 refers to the above embodiments, and since the home device adopts all technical solutions of all the above embodiments, the home device at least has all beneficial effects brought by the technical solutions of the above embodiments, and details are not repeated here. Specifically, the household equipment can be an electric chair or an electric sofa.

Referring to fig. 1 to 2, the present invention further provides a chair, which includes a conductive slip ring 10 and a driving member, wherein a first terminal 310 and a second terminal 410 protruding from an end surface of the first connector 100 are used for connecting with a power source, and the second connector 200 is used for inserting the driving member, so that the driving member is electrically connected with the first terminal 310 and the second terminal 410, and supplies power to the driving member, so that the driving member can operate. It will be appreciated that the drive member may be an electric motor.

The specific structure of the conductive slip ring 10 refers to the above embodiments, and since the chair adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.

The chair can be an office chair, a manual chair, an electric chair and the like which can rotate for 360 degrees and need to be powered. When the first terminal 310 and the second terminal 410 of the first connecting member 100 are electrically connected to a power source, the driving member is inserted into the second connecting member 200 to electrically connect the first conductive member 320 and the second conductive member 430, so that a current signal of the power source can flow from the first terminal 310 to the driving member through the first conductive member 320, and the driving member flows from the second conductive member 430 to the second terminal 410 and returns to the power source.

The chair can comprise a base and a chair body for a person to sit, wherein the chair body is arranged on the base, and can rotate 360 degrees relative to the base. Referring to fig. 1 to 2, a first connecting member 100 of the conductive slip ring 10 may be installed on a base, and the base may be connected to an external power source through a power line; the second connector 200 may be connected to a driving member installed at the chair body, so that the first and second conductive members 320 and 430 are electrically connected to the driving member.

Referring to fig. 1, 16 to 17, when the power source end is electrically connected to the first terminal 310 and the second terminal 410 protruding from the first end surface 101, the driving member is electrically connected to the first conductive member 320 and the second conductive member 430 of the second connecting member 200, such that the second connecting member 200 can rotate relative to the first connecting member 100. That is, the first link 100 is not moved and the second link 200 is rotated. During the rotation of the second connector 200 relative to the first connector 100, the first terminal 310 is in the conductive groove 321, and the conductive groove 321 contacts with the first terminal 310 and rotates; when the annular groove 431 rotates, the contact piece 420 is positioned in the groove of the annular groove 431, the groove wall of the annular groove 431 rotates along the surface of the contact piece 420, so that the annular groove 431 is electrically connected with the contact piece 420, and current signals of the annular groove 431, the contact piece 420 and the second terminal 410 are communicated.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. An electrically conductive slip ring, comprising:

a first connecting member;

the second connecting piece is rotatably connected with the first connecting piece;

a first terminal assembly including a first terminal and a first conductive member mounted to the second connecting member, the first conductive member having a conductive groove; the first terminal penetrates through the first connecting piece and is positioned on the rotation axis of the first connecting piece, one end of the first terminal is convexly arranged on the end face of the first connecting piece, and the other end of the first terminal is inserted into the conductive groove, so that when the first connecting piece rotates relative to the second connecting piece, the first terminal rotates in the conductive groove and is in electrical contact with the conductive groove;

the second terminal assembly comprises a second terminal, a contact piece and a second conductive piece, wherein the second terminal is arranged in the first connecting piece in a penetrating mode and deviates from the rotating axis of the first connecting piece; one end of the second terminal is arranged on the end face of the first connecting piece in a protruding mode, and the other end of the second terminal is provided with the contact piece; the second conductive piece is mounted on the second connecting piece, and is provided with an annular groove, so that when the first connecting piece rotates relative to the second connecting piece, the second terminal rotates around the rotating axis, and the contact piece rotates in the annular groove and is in electrical contact with the annular groove.

2. The conductive slip ring of claim 1, wherein the first terminal is electrically connected to a sidewall of the conductive slot; and/or the presence of a gas in the gas,

the contact piece is electrically connected with the side wall of the annular groove; and/or the presence of a gas in the gas,

one end of the contact piece, which is far away from the second terminal, is provided with a contact part, and the contact part is electrically connected with the bottom wall of the annular groove; and/or the presence of a gas in the gas,

the first terminal is provided with a contact surface, and the contact surface is electrically connected with the bottom wall of the conductive groove.

3. The conductive slip ring of claim 2, wherein the contact member comprises an outer ring, an inner ring, and conductive balls positioned between the outer ring and the inner ring such that the outer ring is rotatable relative to the inner ring; the inner ring is arranged on the second terminal, and the outer ring is used for contacting with the side wall of the annular groove; or,

the contact piece comprises a metal annular piece arranged on the second terminal, the peripheral wall of the metal annular piece is used for being in contact with the side wall of the annular groove, and the metal annular piece and the second terminal are integrally arranged or separately arranged.

4. The conductive slip ring of claim 2, wherein the second connecting member is provided with a first insertion hole, the first terminal assembly further comprises a first metal prong mounted on the second connecting member, one end of the first metal prong is clamped to the first conductive member, and the other end of the first metal prong is exposed to the first insertion hole to connect with a terminal of an electrical component extending into the first insertion hole; and/or the presence of a gas in the gas,

the second terminal assembly further comprises a second metal fork piece arranged on the second connecting piece, one end of the second metal fork piece is electrically connected with the annular groove, and the other end of the second metal fork piece is exposed out of the second inserting hole to be connected with the other terminal of the electric element extending into the second inserting hole.

5. The conductive slip ring of claim 4, wherein the annular groove has a notch into which the contact extends and a groove bottom opposite the notch, the groove bottom extending away from the notch to form a conductive ring, and one end of the second metallic prong holds the conductive ring such that an inner wall surface and an outer wall surface of the conductive ring contact the second metallic prong.

6. The conductive slip ring of claim 1, wherein a bottom of the annular groove is provided with a through hole, the first conductive member being positioned within the through hole and spaced apart from the annular groove; or,

the second connecting piece is provided with an insulating part, and the insulating part is positioned between the first conductive piece and the annular groove.

7. The electrically conductive slip ring of any one of claims 1-6, wherein the first link member is rotationally coupled to the second link member by a bearing member comprising an outer ring, an inner ring and ball members positioned between the outer ring and the inner ring, the inner ring being coupled to the first link member, the outer ring being coupled to the second link member such that the first link member is rotatable relative to the second link member.

8. The conductive slip ring of claim 7, wherein the first connecting member defines a connecting space adjacent the bearing member, and the second connecting member defines a snap member that extends into the connecting space to snap-fit to the outer ring.

9. Household equipment, characterized in that it comprises an electrically conductive slip ring according to any one of claims 1 to 8.

10. A chair comprising an electrically conductive slip ring as claimed in any one of claims 1 to 8 and a driver, first and second terminals projecting from an end face of said first connector for connection to an electrical power supply, said second connector being adapted for insertion of said driver to electrically connect said driver to said first and second terminals.

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