CN214619676U

CN214619676U - Lighter and rotary conduction device thereof

Info

Publication number: CN214619676U
Application number: CN202120962166.7U
Authority: CN
Inventors: 米凯尔·斯乔尔达格; 李杨进
Original assignee: Huizhou Jinying Plastic Hardware Products Co ltd; Sjourdag Holdings Ltd
Current assignee: Huizhou Jinying Plastic Hardware Products Co ltd; Sjourdag Holdings Ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-11-05
Anticipated expiration: 2031-05-07

Abstract

The utility model provides a lighter and rotation conduction device thereof, conductive piece is used for being electrically connected with one end of a first electric conductor, the rotating shaft is used for being electrically connected with the other end of the first electric conductor, the conductive contact piece is used for being electrically connected with one end of a second electric conductor, the conductive clamping piece is used for being electrically connected with the other end of the second electric conductor, a force is applied to the conductive piece or the rotating shaft when in use, so that the conductive piece, the insulator and the rotating shaft rotate, the conductive piece is contacted with the conductive contact piece in the rotating process, at the moment, the conductive clamping piece is abutted against one end of the rotating shaft, and the circuit is conducted; when the lighter is used, the rotary insulator, the conductive piece and the rotating shaft rotate to enable the conductive piece to be in contact with the conductive contact piece, the circuit is conducted, the switch is turned on to ignite, the conduction of the circuit is limited through the switch, and the conduction of the circuit is limited through whether the conductive piece and the conductive contact piece are in contact or not, so that the lighter is safer in daily use.

Description

Lighter and rotary conduction device thereof

Technical Field

The utility model relates to a technical field of lighter, in particular to lighter and rotation switch on device thereof.

Background

Nowadays, with the development of science and technology, the living standard of people is gradually improved, and the function and the structure of the lighter which is common in daily life are improved, wherein the safety performance of the lighter is concerned by people.

At present, the electric lighter is safer and more convenient to operate compared with the traditional open flame lighter because the electric lighter does not need open flame and does not need to store combustible gas, and then the current electric lighter can be electrified to strike a fire after a user presses a switch, so that certain potential safety hazards exist for part of users or children who are not familiar with the use method.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a rotary conduction device.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

a rotary feedthrough comprising: the electric connector comprises an insulator, a conductive piece, a conductive contact piece, a rotating shaft and a conductive clamping piece, wherein the insulator is provided with a mounting hole, the rotating shaft is arranged in the mounting hole and fixedly connected with the insulator, at least part of two ends of the rotating shaft respectively protrude out of two ends of the mounting hole, the insulator is provided with an insulating part and a mounting part, the conductive piece is arranged at the mounting part on the outer surface of the insulator, the conductive contact piece is used for sliding and abutting against the outer surface of the conductive piece or the insulating part in the rotating process of the insulator, the conductive clamping piece abuts against one end of the rotating shaft, the conductive piece is used for being electrically connected with one end of a first conductor, the rotating shaft is used for being electrically connected with the other end of the first conductor, and the conductive contact piece is used for being electrically connected with one end of a second conductor, the conductive clip is used for being electrically connected with the other end of the second conductor.

In one embodiment, the insulator is configured as a cylinder, the conductive piece is configured on the mounting portion of the insulator, the insulating portion is exposed and is in sliding contact with the conductive contact piece during the rotation of the insulator, and the insulator can also be configured as an ellipsoid, a cube, a cuboid and the like.

In one embodiment, the mounting portion is provided with a mounting groove on an outer side surface thereof, the conductive member is disposed in the mounting groove, the insulating portion is located outside the mounting groove, and the outer side surface of the conductive member and the surface of the insulating portion are located on the same circumferential surface.

In one embodiment, a first support frame assembly is further included, the first support frame assembly being coupled to the insulator, the first support frame assembly being configured to support the first electrical conductor.

In one embodiment, the device further comprises a second support frame, the second support frame is rotatably connected with the first support frame assembly, the conductive contact and the conductive clamping piece are respectively connected with the second support frame, and the second support frame is used for supporting the second conductor.

In one embodiment, the first support frame is provided with a rotating hole, the first support frame is connected with a rotating seat, the rotating seat is rotatably arranged in the rotating hole, and the rotating seat is in sliding abutting contact with the side wall of the rotating hole.

In one embodiment, the switch is arranged on one side of the first support frame assembly facing the second support frame or on one side of the second support frame assembly facing the first support frame assembly.

In one embodiment, the first support frame assembly is provided with a rotation hole, the first support frame assembly is provided with at least one clamping groove on the outer side of the rotation hole, the insulator is arranged in the rotation hole, at least one clamping block protrudes outwards from the surface of the insulator, and each clamping block is inserted into one clamping groove.

In one embodiment, the system further comprises the first electrical conductor and the second electrical conductor, the first electrical conductor comprising a load, and the second electrical conductor comprising a battery.

A lighter comprises a first electric conductor and a second electric conductor, and further comprises a rotary conduction device in any embodiment, wherein the first electric conductor comprises an ignition unit, and the second electric conductor comprises a battery.

The utility model has the advantages that: a lighter and its rotate and turn on the device, the conductive piece is connected electrically with one end of the first electric conductor, the axis of rotation is connected electrically with another end of the first electric conductor, the conductive contact is connected electrically with one end of the second electric conductor, the conductive clip is connected electrically with another end of the second electric conductor, apply a force to the conductive piece or axis of rotation while using, make conductive piece, insulator and axis of rotation rotate, the conductive piece contacts with conductive contact in the course of rotating, the conductive clip is connected with one end of the axis of rotation at this moment, the circuit is turned on;

when the lighter is used, the rotary insulator, the conductive piece and the rotating shaft rotate to enable the conductive piece to be in contact with the conductive contact piece, the circuit is conducted, the switch is turned on to ignite, the conduction of the circuit is limited through the switch, and the conduction of the circuit is limited through whether the conductive piece and the conductive contact piece are in contact or not, so that the lighter is safer in daily use.

Drawings

FIG. 1 is a schematic structural diagram of a rotary feedthrough device according to one embodiment;

fig. 2 is a schematic diagram of a lighter according to one embodiment;

FIG. 3 is a partial schematic structural diagram of a rotary feedthrough device according to one embodiment;

fig. 4 is a circuit diagram of one embodiment of a lighter.

In the drawings, 10, a rotary conduction device; 20. a lighter;

100. an insulator; 110. an installation part; 120. an insulating section; 130. a card slot; 140. a clamping block;

200. a conductive member; 300. a conductive contact; 400. a rotating shaft; 500. a conductive clip;

600. a first support frame assembly; 610. a first support plate; 620. a first support housing; 630. a first rotation hole; 640. a rotating seat; 641. a bump; 650. a slider; 660. a second rotation hole;

700. a second support frame; 800. a first electrical conductor; 810. a high-voltage pack; 820. an ignition unit; 900. a second electrical conductor.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The following will combine the drawings of the embodiments of the present invention to further describe the technical solution of the present invention, and the present invention is not limited to the following specific embodiments.

It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar parts. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, the description is merely for convenience of description and simplicity of description, but does not indicate or imply that the equipment or components referred to must have specific orientations, be constructed in specific orientations, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art will understand the specific meanings of the terms according to specific situations.

It should be understood that in the present application, the rotary conducting device is used to make the conductive piece contact with the conductive contact piece during rotation, and the switch is pressed to conduct the circuit, and the rotary conducting device is suitable for a lighter, a hand-held lighting lamp and a hand-held electric element.

In one embodiment, as shown in fig. 1 and 3, a rotary feedthrough apparatus 10, comprising: the insulation structure comprises an insulation body 100, a conductive piece 200, a conductive contact piece 300, a rotating shaft 400 and a conductive clamping piece 500, wherein the insulation body 100 is provided with a mounting hole, the rotating shaft 400 is arranged in the mounting hole, the rotating shaft 400 is fixedly connected with the insulation body 100, two ends of the rotating shaft 400 at least partially protrude out of two ends of the mounting hole respectively, an insulating part 120 and a mounting part 110 are arranged on the outer surface of the insulation body 100, the conductive piece 200 is arranged on the mounting part 110 on the outer surface of the insulation body 100, the conductive contact piece 300 is used for sliding and abutting against the outer surface of the conductive piece 200 or the insulating part 120 in the rotating process of the insulation body 100, the conductive clamping piece 500 abuts against one end of the rotating shaft 400, the conductive piece 200 is used for being electrically connected with one end of a first conductor 800, and the rotating shaft 400 is used for being electrically connected with the other end of the first conductor 800, the conductive contact 300 is used to electrically connect with one end of the second conductor 900, and the conductive clip 500 is used to electrically connect with the other end of the second conductor 900.

In this embodiment, one end of the first conductor 800 is electrically connected to the conductive member 200, the other end of the first conductor 800 is electrically connected to the rotating shaft 400, one end of the second conductor 900 is electrically connected to the conductive contact piece 300, and the other end of the second conductor 900 is electrically connected to the conductive clip 500, so that when the conductive contact piece 300 abuts against the insulating portion 120, the conductive contact piece 300 is isolated from the conductive member 200, and the circuit is broken; when the conductive member 200 abuts against the conductive contact piece 300, the circuit is turned on, and thus, by rotating the insulator 100, the conductive member 200 is driven to rotate relative to the conductive contact piece 300, so that the conductive member 200 and the conductive contact piece 300 are connected or staggered, thereby controlling the on and off of the circuit.

In order to prevent the conductive contact piece 300 from being worn when the conductive piece 200 contacts the conductive contact piece 300, in one embodiment, as shown in fig. 3 and 4, the insulator 100 is configured as a cylinder, the conductive piece 200 is disposed on the mounting portion 110 of the insulator 100, the insulating portion 120 is exposed and slidably abuts against the conductive contact piece 300 during rotation of the insulator 100, specifically, the insulator 100 is configured as a cylinder, the conductive piece 200 is wrapped on the mounting portion 110 of the insulator 100, in this case, the conductive piece is a cylindrical sleeve with a gap, the exposed gap portion of the conductive piece is the insulating portion 120, when not in use, the conductive contact piece 300 abuts against the insulating portion 120, the circuit is not conducted, when a user rotates the rotating shaft 400 or the insulator 100, the conductive contact piece 300 abuts against the conductive piece 200, thereby conducting a circuit, so that when the conductive member 200 is in contact with the conductive contact piece 300, the surface of the conductive contact piece 300 is not abraded, and the service life of each element is prolonged.

In one embodiment, the insulator 100 may be an ellipsoid, the conductive element 200 is disposed on the mounting portion 110 of the insulator 100, the conductive element 200 is disposed on the outer surface of one end of the major axis of the insulator 100, the insulating portion 120 is exposed and slidably abuts against the conductive contact 300 during the rotation of the insulator 100, specifically, the insulator 100 is an elliptical cylinder, that is, the cross-sectional shape of the insulator is an ellipse, the conductive element 200 is disposed on the mounting portion 110 of the insulator 100, when the insulator 100 rotates, the conductive element 200 rotated to one end of the major axis of the insulator 100 abuts against the conductive contact 300, the circuit is conducted, when the insulating portion 120 on the other end of the major axis of the insulator 100 abuts against the conductive contact 300, the circuit is not conducted, and the outer surface of the minor axis of the insulator 100 cannot abut against the conductive contact 300, the circuit is non-conductive, in another embodiment, the insulator 100 is configured as a cube, and in yet another embodiment, the insulator 100 may also be configured as a cuboid.

To extend the life of the conductive contacts 300, in one embodiment, as shown in figures 1 and 3, an installation groove is provided on an outer side surface of the installation part 110, the conductive member 200 is installed in the installation groove, the insulation part 120 is located at the outer side of the mounting groove, and the outer side surface of the conductive member 200 is located at the same circumferential surface as the surface of the insulation part 120, specifically, the insulator 100 is provided on the outer side surface thereof with the mounting part 110 and the insulating part 120, wherein the conductive member 200 is mounted on the mounting part 110 of the insulator 100, and the outer side surface of the conductive member 200 and the surface of the insulating part 120 after being mounted are positioned at the same circumferential surface, so that the relative sliding of the conductive contact piece 300 against the surfaces of the conductive piece 200 and the insulator 100 is smoother, it is possible to prevent the conductive contact piece 300 from being worn when abutting against the conductive member 200 and the insulating part 120.

In order to prevent the electric wire from being damaged during rotation, in one embodiment, as shown in fig. 2 and 4, the electric wire further comprises a first support assembly 600, the first support assembly 600 comprises a first support plate 610 and a first support shell 620, the first support plate 610 is connected with the first support shell 620, the first support shell 620 is connected with the insulator 100, the first support assembly 600 is used for supporting the first electric conductor 800, specifically, the insulator 100 is connected with the first support assembly 600, when the first support assembly 600 is rotated, the first support assembly 600 is linked with the insulator 100, the insulator 100 is linked with the conductive member 200, the conductive member 200 is rotated, the conductive member 200 is contacted with the conductive contact 300, and the circuit is conducted, the first support assembly 600 can be used for supporting the first electric conductor 800, the first conductor 800 is electrically connected to the conductive member 200 and the rotation shaft 400, respectively, and when the first support rotates, the electric wire also rotates without being wound.

In order to facilitate the installation and use of the electric wire, in one embodiment, as shown in fig. 2 and fig. 4, the electric wire connector further includes a second support frame 700, the second support frame 700 is rotatably connected to the first support frame assembly 600, and the conductive contact 300 and the conductive clip 500 are respectively connected to the second support frame 700, the second support frame 700 is used for supporting the second electric conductor 900, specifically, the first support frame assembly 600 and the second support frame 700 are connected and can rotate relatively, the conductive contact 300 and the conductive clip 500 are disposed on the second support frame 700, the second support frame 700 supports the second electric conductor 900, wherein the second electric conductor 900 is respectively electrically connected to the conductive contact 300 and the conductive clip 500. In this embodiment, the second supporting frame 700 is made of an insulating material, for example, the material of the second supporting frame 700 is plastic, and the conductive contact 300 and the conductive clip 500 are respectively connected to the second supporting frame 700, so that the conductive contact 300 and the conductive clip 500 can rotate synchronously with the second supporting frame 700, and the conductive contact 300 and the conductive clip 500 are respectively electrically connected to the second conductor 900 through a wire, and because the conductive contact 300 and the conductive clip 500 can rotate synchronously with the second supporting frame 700, the wire connecting the conductive contact 300 and the conductive clip 500 can be effectively prevented from being wound due to the rotation.

In order to realize the relative rotation between the first supporting frame assembly 600 and the second supporting frame 700, in an embodiment, as shown in fig. 2, the first supporting frame assembly 600 is provided with a rotation hole, the first supporting plate 610 is connected to a rotation seat 640, the rotation seat 640 is rotatably disposed in the rotation hole, and the rotation seat 640 slidably abuts against a sidewall of the rotation hole, in this embodiment, the rotation hole includes a first rotation hole 630 opened on the first supporting plate 610 and a second rotation hole 660 opened on the first supporting shell 620, the rotation seat 640 is rotatably disposed in the first rotation hole 630, the rotation seat 640 slidably abuts against a sidewall of the first rotation hole 630, specifically, the second supporting frame 700 is provided with a circular hollow first rotation hole 630, and the first rotation hole 630 is connected to the circular rotation seat 640, the rotating seat 640 is matched with the first rotating hole 630 in shape, and the rotating seat 640 can smoothly rotate in the first rotating hole 630 by the support of the side wall of the first rotating hole 630 to the rotating seat 640, so that the service life of the rotating seat 640 is prolonged.

In order to better control the conduction of the circuit, in one embodiment, the rotational conduction device further includes at least one switch, the at least one switch is configured to be connected in series between the first conductor 800 and the second conductor 900, and the at least one switch is disposed on a side of the first support assembly 600 facing the second support assembly 700, or on a side of the second support assembly 700 facing the first support assembly 600, specifically, one switch is disposed in the circuit, one end of the switch is electrically connected to the conductive contact 300, and the other end of the switch is electrically connected to the conductive clip 500, and the switch is mounted on a side of the second support assembly 700 facing the first support assembly 600.

In this embodiment, a first switch and a second switch are disposed in the circuit, one end of the first switch is electrically connected to the conductive contact 300, the other end of the first switch is electrically connected to the conductive clip 500, the first switch and the second switch are connected in series in the circuit, and the first switch and the second switch are mounted on a surface of the second support frame 700 facing the first support frame assembly 600.

In order to better connect the first support frame assembly 600 and the second support frame 700, in an embodiment, as shown in fig. 2, the first support frame assembly is provided with a rotation hole, the first support frame assembly is provided with at least one clamping groove at an outer side of the rotation hole, the insulator is disposed in the rotation hole, a surface of the insulator protrudes outwards to form at least one clamping block, and each clamping block is inserted into one clamping groove. In this embodiment, the rotation holes include a first rotation hole 630 formed in the first support plate 610 and a second rotation hole 660 formed in the first support shell 620, the first support shell 620 is provided with at least one clamping groove 130 on the outer side of the second rotation hole 660, the insulator 100 is disposed in the second rotation hole 660, at least one clamping block 140 protrudes outward from the surface of the insulator 100, each clamping block 140 is inserted into one clamping groove 130, specifically, the first support shell 620 is provided with one second rotation hole 660, the outer side of the second rotation hole 660 is provided with two arc-shaped clamping grooves 130, the insulator 100 is provided with two arc-shaped clamping blocks 140 matched with the arc-shaped clamping grooves 130, so that the insulator 100 and the second rotation hole 660 are clamped when being installed.

In one embodiment, as shown in fig. 2 and 4, the power supply further includes the first conductor 800 and the second conductor 900, the first conductor 800 includes a load, the second conductor 900 is a battery, specifically, the first conductor 800 and the second conductor 900 are electrically connected, the first conductor 800 is the load, one end of the load is electrically connected to the rotating shaft 400, the other end of the load is electrically connected to the conductive member 200, the second conductor 900 is the battery, one end of the battery is electrically connected to the conductive contact 300, and the other end of the battery is electrically connected to the conductive clip 500.

In one embodiment, as shown in fig. 2, a lighter is provided, comprising a first conductor 800 and a second conductor 900, further comprising a rotary feedthrough device 10 of any of the above embodiments; the first electrical conductor 800 includes an ignition unit 820 and the second electrical conductor 900 is a battery.

In this embodiment, the first conductor 800 includes a high voltage pack 810 and an ignition unit 820, the ignition unit 820 is an arc igniter, one end of the ignition unit 820 is electrically connected to a conductive member, and the other end is electrically connected to the rotating shaft 400, the second conductor 900 is a battery, one end of the battery is connected to the conductive contact 300, and the other end is electrically connected to the conductive clip 500. In this embodiment, one end of the ignition unit 820 is electrically connected to a first output end of the high voltage package 810, the other end of the ignition unit 820 is connected to a second output end of the high voltage package 810, one input end of the high voltage package 810 is electrically connected to the conductive member, and the other input end of the high voltage package 810 is electrically connected to the rotating shaft, that is, the ignition unit 820 is electrically connected to the conductive member and the rotating shaft through the high voltage package 810, and is connected to a circuit where the battery is located. The voltage is increased by the high-voltage package 810, so that the electric arc lighter can generate electric arcs after being electrified, and ignition is realized.

Specifically, when the lighter is used, the first support frame 600 is rotated, the first support frame 600 links the insulator 100, the insulator 100 rotates, the conductive piece 200 on the insulator 100 also rotates along with the first support frame, the conductive piece 200 abuts against the conductive contact piece 300 in the rotation process, the switch is turned on at the moment, the circuit is conducted, and the lighter ignites.

In one embodiment, as shown in fig. 2, the lighter 20 further comprises a slider 650 and a rotatable base 640, the first support plate 610 is provided with a first rotating hole 630, the second support frame 700 is fixedly connected with the rotating base 640, the rotating base 640 is rotatably arranged in the first rotating hole 630, and the rotating base 640 is slidably abutted against the sidewall of the first rotating hole 630, the first support plate 610 is provided with a sliding guide structure, the sliding part 650 is slidably disposed on the sliding guide structure, one side of the rotating base 640 is disposed with a protrusion 641, the motion track of the protrusion 641 rotating with the rotating seat 640 at least partially coincides with the motion track of the sliding part 650 on the sliding guide structure, the protrusion 641 abuts against one end of the sliding member 650 during rotation with the rotating base 640, so that the sliding member 650 slides on the sliding guide structure. When the lighter 20 is used, the first support assembly 600 is rotated, at this time, the rotating base 640 rotates, the insulator 100 rotates therewith, the protrusion 641 approaches the sliding member 650 and pushes the sliding member 650 to slide on the sliding guide structure, the sliding member 650 is fixedly connected to the ignition unit 820, the ignition unit 820 is pushed out of the fire outlet by the sliding member 650, the conductive member 200 abuts against the conductive contact 300, and the switch is turned on to ignite. Specifically, first backup pad 610 and first support shell 620 are connected, first backup pad 610 and the inboard first installation cavity that forms of first support shell 620, slider 650 slides and sets up in first installation cavity, first support shell 620 has seted up the through-hole, the one end and the ignition unit 820 fixed connection of first rotation hole are kept away from to slider 350, when slider 650 slides towards the direction of keeping away from first rotation hole, ignition unit 820 passes the through-hole, stretch out to the outside of first installation cavity, when slider 650 slides towards the direction that is close to first rotation hole, ignition unit 820 is by the through-hole retraction in the first installation cavity. Thus, the first support frame assembly 600 and the second support frame 700 can be rotated, so that the rotating base 640 rotates relative to the first support frame assembly 600, the rotating base 640 abuts against the sliding part 650, and the ignition unit 820 can extend and retract along with the rotation of the first support frame assembly 600 and the second support frame 700 of the lighter, so that when ignition is needed, the ignition unit 820 extends out, and when ignition is not needed, the ignition unit 820 retracts into the first mounting cavity, and the safety of the lighter is effectively improved.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A rotary feedthrough apparatus comprising: the electric connector comprises an insulator, a conductive piece, a conductive contact piece, a rotating shaft and a conductive clamping piece, wherein the insulator is provided with a mounting hole, the rotating shaft is arranged in the mounting hole and fixedly connected with the insulator, at least part of two ends of the rotating shaft respectively protrude out of two ends of the mounting hole, an insulating part and a mounting part are arranged on the outer side surface of the insulator, the conductive piece is arranged on the mounting part on the outer side surface of the insulator, the conductive contact piece is used for sliding and abutting against the outer side surface of the conductive piece or the insulating part in the rotating process of the insulator, the conductive clamping piece abuts against one end of the rotating shaft, the conductive piece is used for being electrically connected with one end of a first conductor, the rotating shaft is used for being electrically connected with the other end of the first conductor, and the conductive contact piece is used for being electrically connected with one end of a second conductor, the conductive clip is used for being electrically connected with the other end of the second conductor.

2. The rotary feedthrough device of claim 1, wherein the insulator is configured as a cylinder and the conductive element is configured on the mounting portion of the insulator with the insulating portion exposed and in sliding abutment with the conductive contact during rotation of the insulator.

3. The device of claim 1, wherein a mounting groove is formed on an outer surface of the mounting portion, the conductive member is disposed in the mounting groove, the insulating portion is disposed outside the mounting groove, and an outer surface of the conductive member and a surface of the insulating portion are disposed on a same circumferential surface.

4. A rotary feedthrough device of claim 1, further comprising a first support frame assembly coupled to the insulator, the first support frame assembly configured to support the first electrical conductor.

5. The rotary feedthrough device of claim 4, further comprising a second support bracket pivotally connected to the first support bracket assembly, wherein the conductive contact and the conductive clip are each connected to the second support bracket, and wherein the second support bracket is configured to support the second electrical conductor.

6. The rotary conduction device as claimed in claim 5, wherein the first support assembly defines a rotary hole, the first support assembly is connected to a rotary seat, the rotary seat is rotatably disposed in the rotary hole, and the rotary seat is slidably abutted against a sidewall of the rotary hole.

7. A rotary conduction device according to claim 5, further comprising at least one switch, wherein the at least one switch is arranged in series between the first conductor and the second conductor, and the at least one switch is arranged on a face of the first support frame assembly facing the second support frame, or on a face of the second support frame assembly facing the first support frame.

8. The rotary conduction device according to claim 4, wherein the first support assembly defines a rotation hole, the first support assembly defines at least one locking groove outside the rotation hole, the insulator is disposed in the rotation hole, a surface of the insulator protrudes outwardly to define at least one locking block, and each locking block is inserted into one of the locking grooves.

9. A rotary feedthrough device according to any of claims 1-8, further comprising the first electrical conductor and the second electrical conductor, the first electrical conductor comprising a load and the second electrical conductor comprising a battery.

10. A lighter comprising a first electrical conductor and a second electrical conductor, characterised by further comprising a rotary feedthrough device of any of claims 1 to 9;

the first electrical conductor includes an ignition unit and the second electrical conductor includes a battery.