Rotary connecting device for lamp

Abstract

The utility model belongs to the technical field of lighting connecting devices, and particularly relates to a lamp rotary connecting device which comprises a shell, a first annular contact piece, a second annular contact piece and an outer contact piece are arranged in the shell, the first annular contact piece and the second annular contact piece abut against the outer contact piece, and the outer contact piece is connected with an external circuit. The driving rotating shaft is rotationally arranged in the shell; the bidirectional rotating device is rotationally arranged in the shell, one end of the bidirectional rotating device penetrates through the top of the shell and extends upwards, one rotating shaft of the bidirectional rotating device is in meshed rotating connection with the driving rotating shaft, and the other rotating shaft of the bidirectional rotating device is in synchronous rotating connection with a driving rotating shaft transmission belt; the first annular contact piece and the second annular contact piece are arranged on the two rotating shafts of the bidirectional rotating device in a surrounding mode respectively, and through the structure, the lamp rotating connecting device is small, exquisite and simple in structure.

Description

Technical Field

[0001] The utility model belongs to the technical field of lighting connection devices, and particularly relates to a lamp rotating connection device. Background Art

[0002] Decorative lighting, also known as mood lighting, mainly adds some lighting decoration through some color and motion changes, as well as intelligent lighting control systems, etc., to add atmosphere to the environment on the basis of basic lighting. Decorative lighting can produce many kinds of effects and atmospheres, bringing different visual enjoyments to people. Architectural decorative lighting is different from general lighting and has higher requirements for artistry and functionality. In lighting engineering design, lighting systems mainly for functions in factory workshops, schools, classrooms, offices, laboratories, sports venues, etc. are usually called general lighting or ordinary lighting. And hotels, restaurants, advertisements, display windows, dance halls, restaurants, etc. are called decorative and artistic lighting (abbreviation: decorative lighting). In the prior art, for two combined lamps to rotate relative to each other, a rotating device is set to drive the two lamps to rotate in opposite directions or drive the two lamps to rotate in the same direction at the same time. However, using the rotating device in the prior art to connect two lamps to drive the lamps to rotate has the technical problem of complex device structure and large volume. Content of the Utility Model

[0003] The purpose of the utility model is to provide a lamp rotating connection device, aiming to solve the technical problem of complex device structure and large volume of the rotating connection device in the prior art.

[0004] To achieve the above purpose, a lamp rotating connection device provided by an embodiment of the utility model includes a housing, a driving rotating shaft, and a bidirectional rotating device, wherein:

[0005] The housing is used to provide loading protection. A first annular contact piece, a second annular contact piece, and an external contact piece are arranged in the housing. The first annular contact piece and the second annular contact piece are both in contact with the external contact piece, and the external contact piece is connected to an external circuit;

[0006] The driving rotating shaft is rotatably arranged in the housing, and one end of the driving rotating shaft extends downward through the bottom of the housing;

[0007] Bi-directional rotation device, the bi-directional rotation device is rotatably arranged in the housing, and one end of the bi-directional rotation device extends upward through the top of the housing. One shaft of the bi-directional rotation device is meshed and rotationally connected with the driving shaft, and the other shaft of the bi-directional rotation device is synchronously rotationally connected with the driving shaft through a transmission belt. The first annular contact piece and the second annular contact piece are respectively arranged around the two shafts of the bi-directional rotation device, and the external connection lines of the first annular contact piece and the second annular contact piece respectively extend upward through the two shafts of the bi-directional rotation device to the outside.

[0008] Preferably, the bi-directional rotation device includes a first shaft and a second shaft. The first annular contact piece and the second annular contact piece are respectively arranged on the first shaft and the second shaft, and the second shaft is sleeved on the first shaft. One end of the first shaft extends outward through the center of the second shaft. The first shaft is meshed and rotationally connected with the driving shaft, and the second shaft is synchronously rotationally connected with the driving shaft through a transmission belt.

[0009] Preferably, a first wire inlet hole and a first wire outlet hole are arranged on the first shaft. The first wire inlet hole is arranged on the side surface of the first shaft. The opening of the first wire inlet hole is located below the first annular contact piece, and the first wire inlet hole is arranged near the connection part of the first shaft and the second shaft. The first wire outlet hole is arranged coaxially with the axis of the first shaft, and one end of the first wire outlet hole penetrates through the top plane of the first shaft. The first wire inlet hole and the first wire outlet hole are communicated with each other.

[0010] Preferably, a second wire inlet hole and a second wire outlet hole are arranged on the second shaft. The second wire inlet hole is arranged on the side surface of the second shaft. The opening of the second wire inlet hole is located below the second annular contact piece, and the second wire inlet hole is arranged near the connection part of the first shaft and the second shaft. One end of the second wire outlet hole penetrates through the top plane of the second shaft, and the second wire outlet hole is arranged near the side surface of the second shaft. The second wire inlet hole and the second wire outlet hole are communicated with each other.

[0011] Preferably, a first rotating part and a second rotating part are respectively rotatably arranged on the first shaft and the second shaft. The first rotating part is located at the end of the first shaft, and the first rotating part is adjacent to the meshing connection part of the first shaft. The synchronous rotation connection part of the transmission belt of the second shaft is located between the rotating part and the second rotating part. The first rotating part and the second rotating part are both fixedly installed in the housing.

[0012] Preferably, two first mounting parts are arranged at the end of the first shaft, and the two first mounting parts are rotationally symmetrically arranged at 360°.

[0013] Preferably, two second mounting members are provided at the end of the second rotating shaft, and the two second mounting members are arranged in 360° rotational symmetry.

[0014] Preferably, two third rotating members are rotatably provided on the driving rotating shaft, and the two third rotating members are respectively located at both ends of the driving rotating shaft, and the two third rotating members are fixedly installed in the housing.

[0015] One or more of the above technical solutions in the lamp rotation connection device provided by the embodiment of the present invention at least have one of the following technical effects:

[0016] The lamp rotation connection device in the present invention is assembled by a housing, a driving rotating shaft and a bidirectional rotation device. Among them, one end of the driving rotating shaft is connected to a driving motor for driving the bidirectional rotation device to rotate. The bidirectional rotation device realizes the reverse rotation of two lamps. The housing is hollow, and a plurality of fixing plates are arranged in the housing. The driving rotating shaft and the bidirectional rotation device are both clamped on the fixing plates, which not only realizes the position fixation of the driving rotating shaft and the bidirectional rotation device, but also effectively reduces the production material cost of the housing. One end of the driving rotating shaft passes through the bottom plane of the housing for connection with the driving motor. The driving motor drives the driving rotating shaft to rotate. A first annular contact piece, a second annular contact piece and an external contact piece are arranged in the housing. The first annular contact piece and the second annular contact piece are respectively arranged on the two rotating shafts of the bidirectional rotation device, and the output lines of the first annular contact piece and the second annular contact piece respectively extend towards the ends of the two rotating shafts of the bidirectional rotation device for electrically connecting the lamps respectively installed on the two rotating shafts. The two lamps rotate respectively under the drive of the two rotating shafts. The external contact piece abuts against the first annular contact piece and the second annular contact piece. During the rotation of the first annular contact piece and the second annular contact piece following the two rotating shafts of the bidirectional rotation device, they always maintain abutment with the external contact piece to ensure that the circuit connection will not be interrupted. Through the above structural settings, the lamp rotation connection device in the present application has a small and simple structure and can realize the respective rotation of two lamps. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is an effect diagram of the lamp rotation connection device provided by the embodiment of the present invention.

[0019] Figure 2It is the internal assembly plan view of the lamp rotating connection device provided by the embodiment of the present utility model.

[0020] Figure 3 It is the effect diagram of the bidirectional rotation device of the lamp rotating connection device provided by the embodiment of the present utility model.

[0021] Among them, each reference numeral in the figure:

[0022] 10 - housing, 11 - first annular contact piece, 12 - second annular contact piece

[0023] 13 - external contact piece, 20 - driving rotating shaft, 21 - third rotating member

[0024] 30 - bidirectional rotation device, 31 - first rotating shaft, 32 - second rotating shaft

[0025] 33 - first rotating member, 34 - second rotating member, 311 - first wire outlet hole

[0026] 312 - first wire inlet hole, 313 - first mounting member, 321 - second wire inlet hole

[0027] 322 - second wire outlet hole, 323 - second mounting member. Specific embodiments

[0028] The following details the embodiments of the present utility model. The examples of the embodiments are shown in the appended Figures 1 to 3 drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are intended to explain the embodiments of the present utility model, and should not be construed as limiting the present utility model.

[0029] In the description of the embodiments of the present utility model, it should be understood that the orientation or positional relationships indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

[0030] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the embodiments of the present utility model, "a plurality" means two or more unless otherwise specifically defined.

[0031] In the embodiments of the present utility model, unless otherwise clearly specified and defined, terms such as "installation", "connection", "connection", "fixation" and the like shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific situations.

[0032] In an embodiment of the present utility model, as Figures 1 to 3 shown, a lamp rotating connection device is provided, including a housing 10, a driving rotating shaft 20 and a bidirectional rotating device 30, wherein:

[0033] The housing 10 is used to provide loading protection. A first annular contact piece 11, a second annular contact piece 12 and an external contact piece 13 are arranged in the housing 10. The first annular contact piece 11 and the second annular contact piece 12 are both in contact with the external contact piece 13, and the external contact piece 13 is connected to an external circuit;

[0034] The driving rotating shaft 20 is rotatably arranged in the housing 10, and one end of the driving rotating shaft 20 extends downward through the bottom of the housing 10;

[0035] The bidirectional rotating device 30 is rotatably arranged in the housing 10, and one end of the bidirectional rotating device 30 extends upward through the top of the housing 10. One rotating shaft of the bidirectional rotating device 30 is meshed and rotatably connected with the driving rotating shaft 20, and the other rotating shaft of the bidirectional rotating device 30 is synchronously rotated by a transmission belt with the driving rotating shaft 20. The first annular contact piece 11 and the second annular contact piece 12 are respectively arranged around the two rotating shafts of the bidirectional rotating device 30, and the external connection lines of the first annular contact piece 11 and the second annular contact piece 12 respectively extend upward through the two rotating shafts of the bidirectional rotating device 30 to the outside.

[0036] The lamp rotating connection device in the present utility model is assembled by a housing 10, a driving rotating shaft 20 and a bidirectional rotating device 30. One end of the driving rotating shaft 20 is connected to a driving motor and is used to drive the bidirectional rotating device 30 to rotate. The bidirectional rotating device 30 enables the opposite rotation of two lamps. The housing 10 is hollow, and several fixing plates are arranged inside the housing 10. Both the driving rotating shaft 20 and the bidirectional rotating device 30 are clamped on the fixing plates, which not only fixes the positions of the driving rotating shaft 20 and the bidirectional rotating device 30 but also effectively reduces the production material cost of the housing 10. One end of the driving rotating shaft 20 passes through the bottom plane of the housing 10 and is used to connect to the driving motor. The driving motor drives the driving rotating shaft 20 to rotate. Inside the housing 10, a first annular contact piece 11, a second annular contact piece 12 and an external contact piece 13 are arranged. The first annular contact piece 11 and the second annular contact piece 12 are respectively arranged on the two rotating shafts of the bidirectional rotating device 30, and the output lines of the first annular contact piece 11 and the second annular contact piece 12 respectively extend towards the ends of the two rotating shafts of the bidirectional rotating device 30 and are used to be electrically connected to the lamps mounted on the two rotating shafts. The two lamps rotate respectively under the drive of the two rotating shafts. The external contact piece 13 abuts against the first annular contact piece 11 and the second annular contact piece 12. During the rotation of the first annular contact piece 11 and the second annular contact piece 12 following the two rotating shafts of the bidirectional rotating device 30, they always maintain contact with the external contact piece 13 to ensure that the circuit connection will not be interrupted. Through the above structural arrangement, the lamp rotating connection device in the present application has a small and simple structure and can realize the respective rotation of two lamps.

[0037] In another embodiment of the present utility model, as Figures 1 to 3 shown, the bidirectional rotating device 30 includes a first rotating shaft 31 and a second rotating shaft 32. The first rotating shaft 31 and the second rotating shaft 32 rotate in opposite directions respectively. The first annular contact piece 11 and the second annular contact piece 12 are respectively arranged on the first rotating shaft 31 and the second rotating shaft 32 to meet different requirements respectively. The second rotating shaft 32 is sleeved on the first rotating shaft 31. One end of the first rotating shaft 31 passes through the center of the second rotating shaft 32 and extends outwards. The first rotating shaft 31 and the driving rotating shaft 20 are meshed and rotationally connected. The second rotating shaft 32 and the driving rotating shaft 20 are synchronously rotationally connected by a transmission belt. The meshing connection part drives the first rotating shaft 31 to rotate reversely relative to the driving rotating shaft 20, and the transmission belt drives the second rotating shaft 32 and the driving rotating shaft 20 to rotate synchronously.

[0038] In another embodiment of the present utility model, as Figures 1 to 3As shown in the figure, a first inlet hole 312 and a first outlet hole 311 are provided on the first rotating shaft 31. The first inlet hole 312 and the first outlet hole 311 are used for connecting lines. The first inlet hole 312 is arranged on the side surface of the first rotating shaft 31. The opening of the first inlet hole 312 is located below the first annular contact piece 11, and the first inlet hole 312 is arranged near the connection between the first rotating shaft 31 and the second rotating shaft 32. The first outlet hole 311 is arranged coaxially with the central axis of the first rotating shaft 31, and one end of the first outlet hole 311 penetrates through the top plane of the first rotating shaft 31. The first inlet hole 312 and the first outlet hole 311 are communicated with each other. The line connecting the first annular contact piece 11 extends through the first inlet hole 312 and the first outlet hole 311 to be connected with the lamp.

[0039] In another embodiment of the present invention, as Figures 1 to 3 shown, a second inlet hole 321 and a second outlet hole 322 are provided on the second rotating shaft 32. The second inlet hole 321 and the second outlet hole 322 are used for connecting lines. The second inlet hole 321 is arranged on the side surface of the second rotating shaft 32. The opening of the second inlet hole 321 is located below the second annular contact piece 12, and the second inlet hole 321 is arranged near the connection between the first rotating shaft 31 and the second rotating shaft 32. One end of the second outlet hole 322 penetrates through the top plane of the second rotating shaft 32, and the second outlet hole 322 is arranged near the side surface of the second rotating shaft 32. The second inlet hole 321 and the second outlet hole 322 are communicated with each other. The line connecting the second annular contact piece 12 extends through the second inlet hole 321 and the second outlet hole 322 to be connected with the lamp.

[0040] In another embodiment of the present invention, as Figures 1 to 3 shown, a first rotating member 33 and a second rotating member 34 are respectively rotatably arranged on the first rotating shaft 31 and the second rotating shaft 32. The first rotating member 33 is located at the end of the first rotating shaft 31, and the first rotating member 33 is adjacent to the meshing connection part of the first rotating shaft 31. The synchronous rotation connection part of the transmission belt of the second rotating shaft 32 is located between the rotating member and the second rotating member 34. The first rotating member 33 and the second rotating member 34 are both fixedly installed in the housing 10. The first rotating member 33 and the second rotating member 34 are used as the connecting members for clamping and positioning between the first rotating shaft 31 and the second rotating shaft 32 and the housing 10, and can effectively reduce the friction force during the rotation of the first rotating shaft 31 and the second rotating shaft 32.

[0041] In another embodiment of the present invention, as Figures 1 to 3 shown, two first mounting members 313 are arranged at the end of the first rotating shaft 31. The two first mounting members 313 are arranged in a 360° rotational symmetry for fixing and installing the lamp.

[0042] In another embodiment of the present utility model, two second mounting members 323 are provided at the end of the second rotating shaft 32. The two second mounting members 323 are arranged in 360° rotational symmetry for fixedly mounting the working lamp.

[0043] In another embodiment of the present utility model, as Figures 1 to 2 shown, two third rotating members 21 are rotatably provided on the driving rotating shaft 20, and the two third rotating members 21 are respectively located at both ends of the driving rotating shaft 20. The two third rotating members 21 are fixedly installed in the housing 10. The third rotating member 21 serves as a connecting member for clamping and positioning between the driving rotating shaft 20 and the housing 10, and can effectively reduce the friction force during the rotation of the driving rotating shaft 20.

[0044] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A lamp rotation connection device, characterized in that: include A housing, used for providing loading protection, wherein a first annular contact piece, a second annular contact piece and an external contact piece are arranged in the housing, wherein the first annular contact piece and the second annular contact piece are both in contact with the external contact piece, and the external contact piece is connected to an external circuit; A driving shaft, the driving shaft is rotatably disposed in the housing, and one end of the driving shaft passes through the bottom of the housing and extends downward; A two-way rotating device, wherein the two-way rotating device is rotatably arranged in the shell, and one end of the two-way rotating device extends upward through the top of the shell, one rotating shaft of the two-way rotating device is meshed and rotatably connected with the driving rotating shaft, and the other rotating shaft of the two-way rotating device is synchronously rotatably connected with the driving rotating shaft transmission belt, the first annular contact piece and the second annular contact piece are respectively enclosed and arranged on the two rotating shafts of the two-way rotating device, and the external connection circuits of the first annular contact piece and the second annular contact piece respectively pass through the two rotating shafts of the two-way rotating device and extend upward to the outside.

2. The lamp rotation connection device according to claim 1, characterized in that: The bidirectional rotating device includes a first rotating shaft and a second rotating shaft, the first annular contact piece and the second annular contact piece are respectively arranged on the first rotating shaft and the second rotating shaft, and the second rotating shaft is sleeved on the first rotating shaft, one end of the first rotating shaft extends outward through the center of the second rotating shaft, the first rotating shaft and the driving rotating shaft are meshed and rotatably connected, and the second rotating shaft and the driving rotating shaft transmission belt are synchronously rotatably connected.

3. The lamp rotation connection device according to claim 2, characterized in that: A first wire inlet hole and a first wire outlet hole are provided on the first rotating shaft, the first wire inlet hole is provided on the side of the first rotating shaft, the opening of the first wire inlet hole is located below the first annular contact piece, and the first wire inlet hole is provided close to the connection between the first rotating shaft and the second rotating shaft, the first wire outlet hole is provided to coincide with the central axis of the first rotating shaft, and one end of the first wire outlet hole passes through the top plane of the first rotating shaft, and the first wire inlet hole and the first wire outlet hole are provided to communicate with each other.

4. The lamp rotation connection device according to claim 2, characterized in that: A second wire inlet hole and a second wire outlet hole are provided on the second rotating shaft, the second wire inlet hole is provided on the side of the second rotating shaft, the opening of the second wire inlet hole is located below the second annular contact piece, and the second wire inlet hole is provided near the connection between the first rotating shaft and the second rotating shaft, one end of the second wire outlet hole passes through the top plane of the second rotating shaft, and the second wire outlet hole is provided near the side of the second rotating shaft, and the second wire inlet hole and the second wire outlet hole are provided in communication with each other.

5. The lamp rotation connection device according to claim 2, characterized in that: A first rotating member and a second rotating member are rotatably arranged on the first rotating shaft and the second rotating shaft respectively, the first rotating member is located at the end of the first rotating shaft, and the meshing connection between the first rotating member and the first rotating shaft is arranged adjacent to each other, the synchronous rotation connection of the transmission belt of the second rotating shaft is located between the rotating member and the second rotating member, and the first rotating member and the second rotating member are both fixedly installed in the shell.

6. The lamp rotation connection device according to claim 2, characterized in that: Two first mounting members are disposed at the end of the first rotating shaft, and the two first mounting members are disposed in 360° rotational symmetry.

7. The lamp rotation connection device according to claim 2, characterized in that: Two second mounting members are disposed at the end of the second rotating shaft, and the two second mounting members are disposed in 360° rotational symmetry.

8. The lamp rotation connection device according to claim 1, characterized in that: Two third rotating members are rotatably arranged on the driving shaft, and the two third rotating members are respectively located at two end positions of the driving shaft, and the two third rotating members are fixedly installed in the shell.

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