CN214840252U - Rotary joint structure and desk lamp - Google Patents
Rotary joint structure and desk lamp Download PDFInfo
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- CN214840252U CN214840252U CN202120730721.3U CN202120730721U CN214840252U CN 214840252 U CN214840252 U CN 214840252U CN 202120730721 U CN202120730721 U CN 202120730721U CN 214840252 U CN214840252 U CN 214840252U
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- 238000000034 method Methods 0.000 description 6
- 238000005286 illumination Methods 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
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- 238000005452 bending Methods 0.000 description 1
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Abstract
The utility model discloses a revolute joint structure and including a desk lamp of this revolute joint structure, revolute joint structure includes: the spring comprises a fastening piece, a first rotating piece, a second rotating piece, a plurality of disc-shaped gaskets, a fixed piece and a spring. The fastener is tubular, and the outer wall of one end of the fastener is provided with a first thread; the first rotating piece is of a tubular shape, the inner wall of the first end of the first rotating piece is provided with a second thread matched with the first thread, and the second end of the first rotating piece is provided with a U-shaped notch; the first end of the second rotating part is of a spherical structure and is provided with an opening, and the second end of the second rotating part is of a hollow cylindrical shape; the disc-shaped gasket has an outer diameter and an inner diameter which are not in the same plane; the fixing piece is provided with a round hole and at least one hook-shaped opening; the first end of the spring is connected with the hook-shaped opening of the fixing piece, and the second end of the spring is connected with the fastening piece. The rotary joint structure is long in service life, and the desk lamp can stay at any position.
Description
Technical Field
The utility model belongs to the technical field of lighting apparatus, concretely relates to revolute joint structure and a desk lamp.
Background
The desk lamp is small and exquisite and convenient to carry. The desk lamp is a lighting appliance commonly used in daily life, is mainly placed on a desk and an office table and is used for reading, working, learning and the like. The illumination range of the desk lamp is relatively small and concentrated, and only a small area can be illuminated. Conventional desk lamp pole setting and base are fixed connection, can not make things convenient for height-adjusting, and the foldback rotates, leads to unable regulation illumination area. In order to provide illumination for other areas, the desk lamp needs to be moved integrally, and the use experience is inconvenient. The fixed connection structure of the desk lamp is relatively high in cost due to the fact that the fixed connection structure is formed into a package. Some flexible tube table lamps are available on the market, and the illumination area of the table lamp can be adjusted by bending the supporting flexible tube to rotate the table lamp. But the hose is easily damaged and has a short service life. In order to realize the rotation of the desk lamp in the prior art, a rotary joint is used on the desk lamp. Torsion in the rotating process is all acted on the rotating joint, and the torsion which can be borne by the rotating joint is small, so that the rotating joint is easy to damage, and the service life is short.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a revolute joint structure and a desk lamp, revolute joint structure can realize the rotation of desk lamp, adjusts torsion through the quantity that increases the disk gasket and change the compound mode, rotates reliably, adjusts torsion flexibility, can increase the torsion that revolute joint structure can bear, increases spring torsion simultaneously, can stop in arbitrary rotational position.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
The utility model provides a revolute joint structure, include:
the fastening piece is of a pipe type, and a connecting part is arranged on the outer wall of the fastening end of the fastening piece;
the first rotating piece is tubular, the inner wall of the first end of the first rotating piece is provided with a structure matched with the connecting part, and the second end of the first rotating piece is provided with a through U-shaped notch;
the first end of the second rotating part is of a spherical structure and is provided with an opening, and the second end of the second rotating part is of a hollow cylindrical shape;
a plurality of disc-shaped shims, the disc-shaped shims having an outer diameter and an inner diameter that are not in the same plane;
the fixing piece is provided with a round hole and at least one hook-shaped opening;
the first end of the spring is connected with the hook-shaped opening of the fixing piece, and the second end of the spring is connected with the fastening piece;
the second rotating piece is arranged in the first rotating piece, the first end of the second rotating piece is located in the first rotating piece and clamped at the U-shaped notch, the second end of the second rotating piece extends out of the U-shaped notch of the first rotating piece and penetrates through the round hole of the fixed piece, the plurality of disc-shaped gaskets are arranged in the first rotating piece, and the fastening piece is connected with the first rotating piece through the matching between the first threads and the second threads.
In an embodiment, the connecting portion of the fastening member is a first thread, and a second thread engaged with the first thread is disposed on an inner wall of the first end of the first rotating member.
In one embodiment, the fastener is provided with a first screw hole at one end close to the first thread, and the spring is fixed by matching with a first screw.
In one embodiment, the first rotating member is provided with a second screw hole at one end close to the second thread, and the second screw hole is matched with a second screw to fix the disc-shaped gasket, or the second screw contacts the first thread to fix the fastening piece.
In one embodiment, the hollow cylinder of the second end of the second rotating member passes through an opening of the first end of the second rotating member.
In one embodiment, a gap exists between the first end of the second rotating member and the U-shaped notch of the first rotating member, so that the second rotating member can rotate.
In one embodiment, two adjacent disc-shaped gaskets are connected in the same direction or in opposite directions.
In one embodiment, the disc-shaped shim is disposed between the second rotating member and the fastener, and a shim is disposed between the disc-shaped shim and the second rotating member to reduce wear of the second rotating member.
In one embodiment, the second end of the second rotating member is riveted to the fixing piece.
In an embodiment, two semicircular clamping pieces are arranged at one end of the first rotating member, which is provided with the U-shaped notch, and the two semicircular clamping pieces and the tubular outer wall of the first rotating member form the U-shaped notch to be in clearance fit and accommodate the first end of the second rotating member.
The utility model also provides a desk lamp, include as above the revolute joint structure still includes base, two lamp poles and lamp holder, wherein, the revolute joint structure set up in base and one between the lamp pole between lamp pole or another between lamp pole and the lamp holder, the lamp holder set up in on the lamp pole.
The utility model has the advantages that: the utility model provides a rotary joint structure and a desk lamp, wherein the fastener is connected with the first rotary piece, the second rotating member is freely rotatable in one direction in the first rotating member, by increasing or decreasing the number of disc-shaped gaskets in the first rotating member and changing the connection mode (same direction or reverse direction overlapping) of two adjacent disc-shaped gaskets, so as to adjust the torsion, the disc-shaped gasket shares the torsion in the rotating process, the torsion which can be borne by the rotating joint structure is increased, the service life of the rotating joint structure is prolonged, the first end of the spring is connected with the hook-shaped opening of the fixing piece, the second end of the spring is connected with the first screw, or the desk lamp can be fixedly connected to other positions of the fastener, and the desk lamp can stay at any position through the torsion of the spring. Meanwhile, the desk lamp can be folded by utilizing the rotation of the rotary joint structure, the packaging volume of the desk lamp is reduced, and the packaging cost is reduced.
Drawings
Fig. 1 is an exploded view of a rotary joint structure according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a rotary joint structure according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a desk lamp according to an embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It should be understood that the following detailed description is only for assisting the person skilled in the art in understanding the present invention, and is not intended to limit the present invention.
As shown in fig. 1 and 2, an embodiment of the present invention provides a rotary joint structure 10, including: a fastening member 101, a first rotating member 102, a second rotating member 103, a plurality of disc-shaped washers 104, a fixing plate 105, and a spring 106. The fastening piece 101 is a pipe type, and a connecting part 1011 is arranged on the outer wall of the fastening end of the fastening piece; the first rotating member 102 is a tubular member, and has a first end having a first thread 1011 matching with the connecting portion 1011, a second thread 1021 (the thread is not shown), and a second end having a U-shaped notch 1022.
In this embodiment, it is preferable that the fastening end outer wall is provided with a connecting portion 1011 as a first thread 1011; the first end of the first rotating member 102 has a second thread 1021 (the thread is not shown) that matches with the first thread 1011.
The first end 1031 of the second rotating member 103 is spherical and has an opening 1032, and the second end 1033 of the second rotating member 103 is hollow and cylindrical; the disc-shaped shim 104 has a first end face and a second end face with a diameter greater than the first end face; the fixing plate 105 has a circular hole 1051 and at least one hook-shaped opening 1052; the spring 106 has a first end connected to the hook-shaped opening 1052 of the fixing plate 105 and a second end connected to the fastening member 101. The second rotating member 103 is disposed in the first rotating member 102, the first end 1031 of the second rotating member 103 is located in the first rotating member 102 and clamped at the U-shaped gap 1022, meanwhile, an inner wall of the U-shaped gap 1022 restrains the first end 1031 of the second rotating member 103, the first end 1031 does not rotate circumferentially, the second end 1033 extends out from the U-shaped gap 1022 of the first rotating member 102 and penetrates through the circular hole 1051 of the fixing plate 105, a plurality of disc-shaped spacers 104 are mounted in the first rotating member 102, and the fastening member 101 is connected to the first rotating member 102 through the cooperation between the first thread 1011 and the second thread 1021.
The type of the fastening member 101 is not limited in this embodiment, and may be a pipe type or other hollow structure, as long as it can be used to connect with other structures of the desk lamp.
In this embodiment, the fastening member 101 has a first screw hole 1012 at an end near the first thread 1011 for fixing the spring 106 with a first screw 107. The first rotating member 102 is provided with a second screw hole 1023 at an end close to the second thread 1021, the second screw hole 1023 is matched with a second screw 108 to fix the disc-shaped gasket 104, or the second screw 108 contacts the first thread 1011 to fix the fastener 101.
In this embodiment, the direction of the opening 1032 of the first end 1031 of the second rotating member 103 corresponds to the direction of the U-shaped notch 1022 of the first rotating member 102, so as to provide a storage space for the conducting wires passing through the second rotating member 103 during the rotating process. Two semicircular clamping sheets 1024 are arranged at one end, provided with the U-shaped notch, of the first rotating member 102, and the two semicircular clamping sheets 1024 and the tubular outer wall of the first rotating member 102 form the U-shaped notch so as to clamp and accommodate the first end 1032 of the second rotating member 103. A gap is formed between the spherical structure of the first end 1032 of the second rotating member 103 and the two semicircular clamping pieces 1024 of the U-shaped notch 1022 of the first rotating member 102, so that the second rotating member 103 can rotate in the notch direction of the U-shaped notch 1022.
In this embodiment, two adjacent disc-shaped shims 104 are connected in a same or opposite overlapping manner, that is, the inner diameter of each disc-shaped shim 104 is defined to be convex toward the left side, and the outer diameter thereof is defined to be positive toward the right side, and is arranged in the direction of the symbol "<". The two said disc shaped shims 104 may be connected in a positive and positive superposition in the same direction, as in the direction of the sign "< <", in a negative and negative superposition in the same direction, as in the direction of the sign "> >", in a positive and negative superposition in the opposite direction, as in the direction of the sign "< >" or in a negative and positive superposition in the opposite direction, as in the direction of the sign "> <". The number and the connection manner of the disc-shaped spacers 104 are not limited in this embodiment, and may be determined according to the actual torque required.
In the present embodiment, the disc-shaped spacer 104 is disposed between the second rotating member 103 and the fastening member 101. Specifically, the disc-shaped spacer 104 is disposed in the tube of the first rotating member 102 and located between the second rotating member 103 and the fastening member 101. A shim 109, such as a wear shim, is provided between the disc-shaped shim 104 and the second rotational member 103 to reduce wear of the second rotational member 103.
In this embodiment, the second end 1033 of the second rotating member 103 is riveted to the fixing piece 105.
In this embodiment, the spring 106 has a first end connected to the hook-shaped opening 1052 of the fixing plate 105 and a second end connected to the first screw 107. The connection manner between the spring 106 and the fastening member 101 is not limited in this embodiment, and the spring 106 may be connected to the fastening member 101 through the first screw 107, and may also be connected and fixed to other positions of the fastening member 101. The form of the spring 106 is not limited in this embodiment. So long as a pulling force between the fixing piece 105 and the fastening member 101 can be provided.
In the present embodiment, there is provided an assembly of a rotary joint structure comprising: the second rotating member 103 is installed in the first rotating member 102, wherein the first end 1031 of the second rotating member 103 is located in the first rotating member 102, and the direction of the opening 1032 at the first end 1031 of the second rotating member 103 corresponds to the direction of the U-shaped notch 1022 of the first rotating member 102, so as to provide a storage space for the wires in the rotating joint during the rotating process. The second end 1033 extends from the U-shaped notch 1022 of the first rotating member 102 and passes through the circular hole 1051 of the fixing plate 105. In the first rotating member 102, the pad 109 and a plurality of disc-shaped pads 104 are sequentially disposed on the first end 1031 of the second rotating member 103. The spacer 109 is used to avoid wear to the second rotation member 103, and increase the service life. The adjacent two disk-shaped gaskets 104 can be connected in the same direction or in opposite directions. The amount of torsion is adjusted by increasing or decreasing the number of the disc-shaped spacers 104 and changing the connection manner of two adjacent disc-shaped spacers 104. The disc shaped spacer 104 shares the torque forces during rotation. The fastening member 101 is connected to the first rotating member 102 through the engagement between the first thread 1011 and the second thread 1021. The spring 106 has a first end connected to the hook-shaped opening 1052 of the fixing plate 105 and a second end connected to the first screw 107.
The second end 1033 of the second rotating member 103 is hollow and cylindrical, and the second rotating member 103, the first rotating member 102, the disc-shaped spacer 104, the fastening member 101, and the like are all hollow structures. When assembled, the wiring can be performed in the rotary joint structure, and the second rotating member 103 can rotate in one degree of freedom in the U-shaped notch 1022 of the first rotating member 102. The hollow cylinder of the second end 1033 of the second rotating component 103 passes through the opening 1032 of the first end 1031 of the second rotating component 103, and the opening 1032 of the second rotating component 103 can provide a storage space for the wires in the rotating joint during the rotation process.
As shown in fig. 3, the embodiment of the present invention further provides a desk lamp 100, including the above-mentioned rotary joint structure 10, further including a base 30, at least one lamp post 20 (shown as 2 lamp posts), and a lamp holder 40, wherein the rotary joint structure 10 is disposed between the base 30 and the lamp post 20, between the lamp post 20 and the lamp post 20, or another between the lamp post 20 and the lamp holder 40, and the lamp holder 40 is disposed on the lamp post 20. In this embodiment, the arrangement position and the number of the rotary joint structures 10 are not limited, and the design can be adjusted according to actual requirements.
In an initial state, the spring 106 is parallel to the axial directions of the first rotating member 102 and the second rotating member 103, the second rotating member 103 is rotated by increasing or decreasing the number of the disc-shaped spacers 104 and changing the connection manner of two adjacent disc-shaped spacers 104, when the rotating joint structure is adjusted to a proper position, the second screw 108 is screwed to fix the inside of the second rotating member 103, the spring 106 forms a triangle with the first rotating member 102 and the second rotating member 103, the elastic force of the spring 106, the gravity of the first rotating member 102 and the second rotating member 103 and the supporting force of the lamp post 20 reach a force balance state, the desk lamp is fixed at a proper position by the torsion of the spring 106, and the inner wall of the U-shaped notch 1022 restrains the first end 1031 of the second rotating member 103, the first end 1031 does not rotate circumferentially.
The utility model provides a pair of rotary joint structure, pass through threaded connection between fastener 101 with first commentaries on classics piece 102, second commentaries on classics piece 103 can realize free rotation in a direction in first commentaries on classics piece 102, through increase or reduce the quantity of disk gasket 104 in first commentaries on classics piece 102, and change two adjacent disk gasket 104's connected mode (syntropy or reverse stack), in order to adjust torsion, disk gasket 104 shares the torsion in the rotation process, has increased the torsion that the rotary joint structure can bear, has improved the life of rotary joint structure, its first end of spring 106 with the collude shape opening 1052 of stationary blade 105 is connected, the second end connect first screw 107, or fixed connection is in the other positions of fastener 101, through the torsion of spring 106, the desk lamp can stay at any position. Meanwhile, the desk lamp can be folded by utilizing the rotation of the rotary joint structure, the packaging volume of the desk lamp is reduced, and the packaging cost is reduced.
The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It must be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (11)
1. A rotary joint structure, comprising:
the fastening piece is of a pipe type, and a connecting part is arranged on the outer wall of the fastening end of the fastening piece;
the first rotating piece is tubular, the inner wall of the first end of the first rotating piece is provided with a structure matched with the connecting part, and the second end of the first rotating piece is provided with a through U-shaped notch;
the first end of the second rotating part is of a spherical structure and is provided with an opening, and the second end of the second rotating part is of a hollow cylindrical shape;
a plurality of disc-shaped shims, the disc-shaped shims having an outer diameter and an inner diameter that are not in the same plane;
the fixing piece is provided with a round hole and at least one hook-shaped opening;
the first end of the spring is connected with the hook-shaped opening of the fixing piece, and the second end of the spring is connected with the fastening piece;
the second rotating piece is arranged in the first rotating piece, the first end of the second rotating piece is located in the first rotating piece and clamped at the U-shaped notch, the second end of the second rotating piece extends out of the U-shaped notch of the first rotating piece and penetrates through the round hole of the fixed piece, the plurality of disc-shaped gaskets are arranged in the first rotating piece, and the fastening piece is connected with the first rotating piece through the matching between the first threads and the second threads.
2. The rotary joint structure according to claim 1, wherein the connecting portion of the fastening member is a first thread, and an inner wall of the first end of the first rotary member is provided with a second thread which is engaged with the first thread.
3. The rotary joint structure according to claim 2, wherein said fastener is provided with a first screw hole at an end near said first screw, and said spring is fixed by a first screw.
4. The rotary joint structure according to claim 1, wherein the first rotary member is provided with a second screw hole at an end near the second screw, the second screw hole being adapted to engage a second screw to fix the disc-shaped spacer, or the second screw contacting the first screw to fix the fastener.
5. The rotary joint structure according to claim 1, wherein the hollow cylindrical shape of the second end of the second rotating member passes through an opening of the first end of the second rotating member.
6. The rotary joint structure according to claim 1, wherein a gap is provided between the first end of the second rotating member and the U-shaped notch of the first rotating member so that the second rotating member can rotate.
7. The rotary joint structure according to claim 1, wherein two adjacent disc-shaped shims are connected in a manner of being stacked in the same direction or in opposite directions.
8. The rotary joint structure according to claim 1, wherein a disc-shaped shim is provided between the second rotating member and the fastener, and a shim is provided between the disc-shaped shim and the second rotating member, to reduce wear of the second rotating member.
9. The rotary joint structure according to claim 1, wherein the second end of the second rotating member is riveted to the fixing piece.
10. The rotary joint structure according to claim 1, wherein the end of the first rotary member provided with the U-shaped notch is provided with two semicircular holding pieces which form the U-shaped notch with the tubular outer wall of the first rotary member to fit with a gap and receive the first end of the second rotary member.
11. A desk lamp, characterized in that, including any one of claims 1-10 the revolute joint structure, still include base, two lamp poles and lamp holder, wherein, the revolute joint structure sets up in between the base and one the lamp pole, between lamp pole and the lamp pole or another between lamp pole and the lamp holder, the lamp holder sets up on the lamp pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120730721.3U CN214840252U (en) | 2021-04-09 | 2021-04-09 | Rotary joint structure and desk lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120730721.3U CN214840252U (en) | 2021-04-09 | 2021-04-09 | Rotary joint structure and desk lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214840252U true CN214840252U (en) | 2021-11-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120730721.3U Withdrawn - After Issue CN214840252U (en) | 2021-04-09 | 2021-04-09 | Rotary joint structure and desk lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214840252U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007630A (en) * | 2021-04-09 | 2021-06-22 | 欧普照明股份有限公司 | Rotary joint structure and desk lamp |
-
2021
- 2021-04-09 CN CN202120730721.3U patent/CN214840252U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007630A (en) * | 2021-04-09 | 2021-06-22 | 欧普照明股份有限公司 | Rotary joint structure and desk lamp |
| CN113007630B (en) * | 2021-04-09 | 2024-04-05 | 欧普照明股份有限公司 | Rotating joint structure and desk lamp |
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Granted publication date: 20211123 Effective date of abandoning: 20240405 |