WO2022095447A1

WO2022095447A1 - Height-adjustable hanging light

Info

Publication number: WO2022095447A1
Application number: PCT/CN2021/099279
Authority: WO
Inventors: 林继堂
Original assignee: 中山市光之华电子电器有限公司
Priority date: 2020-11-04
Filing date: 2021-06-10
Publication date: 2022-05-12
Also published as: CN213207553U

Abstract

A height-adjustable hanging light, comprising a light body (27); a mounting base (28) is provided at the top of the light body (27), adjustment devices (29) are fixedly connected within the mounting base (28), the adjustment devices (29) each comprise an upper cover body (1) and a lower cover body (2), a spool (3) is provided between the upper cover body (1) and the lower cover body (2), a rotary shaft (4) is rotatably connected to the middle portion of the spool (3), a coil spring (5) is sleeved on the outer side of the rotary shaft (4), two ends of the coil spring (5) are fixedly connected to the inner wall of the spool (3), a return blocking plate (6) is provided at the top of the spool (3), the return blocking plate (6) is fixedly connected to the outer side of the rotary shaft (4), a return blocking block (7) is fixedly connected to the outer side of the return blocking plate (6), and a limiting plate (8) is provided on the outer side of the return blocking plate (6). Electrical connection between conductive posts (12) and a conductive base (14) is achieved by means of a dual-wire opening and pin contact manner, so that power supply wires (17) can be effectively energized, facilitating mounting; by means of a brake pad principle, the power supply wires (17) are controlled to slide downwards and rotate back; in addition, a friction force is increased in conjunction with an arc-shaped face of a guide plate (26), so that the weight of the light body (27) is balanced to maintain a vertical operation position of a lamp.

Description

A height-adjustable chandelier

technical field

The utility model relates to the field of hanging wire lamps, in particular to a hanging wire lamp with adjustable height.

Background technique

The chandelier is a decorative lighting lamp installed on the indoor ceiling. Modern home improvement lamps not only pursue lighting functions, but also pay attention to the role of lighting in creating atmosphere. The chandelier is hung with wires or iron supports. Take the chandelier in the dining room as an example. The lighting can not only illuminate the functional area, but also bring a warm and pleasant texture to the dining atmosphere. The ideal height is to form a pool on the dining table. Lighting, but not obstructing the sight of everyone on the table looking at each other.

However, in actual use, the height of most of the chandeliers on the market is fixed, and it is impossible to adjust the height according to the actual situation, or the workload of adjusting the height is relatively large, and the suspender must have both load-bearing and power supply.

Therefore, it is necessary to invent a height-adjustable chandelier to solve the above problems.

Utility model content

The purpose of this utility model is to provide a height-adjustable chandelier, so as to solve the problem that the height of most of the chandeliers on the market in the technology is fixed, and the corresponding height adjustment cannot be carried out according to the actual situation, or the workload of adjusting the height. It is relatively large, and at the same time, the hanging wire has to bear both load-bearing and power supply problems.

In order to achieve the above purpose, the present invention provides the following technical solutions: a height-adjustable pendant lamp, comprising a lamp body, a mounting seat is arranged on the top of the lamp body, and an adjusting device is fixedly connected in the mounting seat, and the adjusting The device includes an upper cover body and a lower cover body, a winding shaft is arranged between the upper cover body and the lower cover body, a rotating shaft is rotatably connected to the middle of the winding shaft, and a coil spring is sleeved on the outside of the rotating shaft, and the coil spring Both ends are respectively fixedly connected with the inner wall of the winding shaft, the top of the winding shaft is provided with a resistance complex plate, the resistance complex plate is fixedly connected with the outer side of the rotating shaft, and the resistance complex plate is fixedly connected with a resistance complex block outside. A limit plate is arranged on the outer side, the limit plate is fixedly connected with the top of the winding shaft, and a limit slot is provided on the inner side of the limit plate, and the limit slot is matched with the blocking block;

The bottom of the bobbin is provided with an accommodating groove, the accommodating groove is provided with a limit pile, the top of the limit pile is fixedly connected to the bobbin, the outer side of the rotating shaft is provided with a conductive pile, and the top of the conductive pile is fixed to the bobbin connection, the accommodating groove is provided with a backing plate, the surface of the backing plate is provided with a first through hole and a second through hole, the first through hole is matched with the limit pile, and the second through hole is connected with the conductive The top of the lower cover body is fixedly connected with a conductive seat by screws, the limit pile is matched with the conductive seat, the top of the conductive seat is provided with an annular conductive groove, and the annular conductive groove is matched with the conductive pile The conductive pile and the conductive seat are electrically connected through an annular conductive groove, a unidirectional rotation groove is provided in the middle of the conductive seat, and the unidirectional rotation groove is matched with the rotating shaft.

Preferably, a power cord is wound and fixed on the outer side of the bobbin, a spiral groove is formed on the outer side of the bobbin, the spiral groove is matched with the power cord, one end of the power cord is electrically connected to the conductive pile, and the power cord The other end is electrically connected to the top of the lamp body, the outer side of the power cord is wrapped with a wear-resistant layer, and the wear-resistant layer is made of nylon material.

Preferably, an upper opening and an upper wire outlet are opened on one side of the upper cover, a lower opening and a lower wire outlet are formed on one side of the lower cover, the upper opening matches the lower opening, and the upper wire outlet Match with the lower outlet.

Preferably, a fixing sleeve is fixedly connected to the bottom of the upper cover body, and a fixing plug is fixedly connected to the top of the lower cover body, and the fixing plug is matched with the fixing sleeve.

Preferably, a third through hole is opened in the middle of the upper cover, the third through hole is matched with the rotating shaft, and a wear-resistant plate is arranged between the bottom of the upper cover and the resistance plate, and the wear-resistant plate Socket with the rotating shaft.

Preferably, a guide plate is provided on the side of the top of the lower cover away from the conductive base, the bottom of the guide plate is fixedly connected to the top of the lower cover, and the guide plate is an arc-shaped plate.

In the above-mentioned technical scheme, the technical effect and advantage that the utility model provides:

The electrical connection between the conductive pile and the conductive base is realized by the contact of the double-wire port pins, so that the power line can be effectively energized, which is convenient for installation and use. The sliding and circulation of the power line is controlled by the principle of the brake pad, and combined with the arc surface of the guide plate To increase the friction, the weight of the lamp body is used to maintain the sagging height.

Description of drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the accompanying drawings that need to be used in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only in the present invention For some of the described embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings.

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the structural schematic diagram of the adjusting device of the present invention;

3 is a schematic structural diagram of the upper cover of the present invention;

4 is a schematic structural diagram of a lower cover of the present invention;

5 is a schematic diagram of the connection structure between the winding shaft and the lower cover of the present invention;

Fig. 6 is the top view of the bobbin of the utility model;

Fig. 7 is the bottom view of the bobbin of the utility model;

8 is a cross-sectional view of the winding shaft of the present invention.

Description of reference numbers:

1 upper cover body, 2 lower cover body, 3 winding shaft, 4 rotating shaft, 5 coil spring, 6 blocking plate, 7 blocking block, 8 limit plate, 9 limit groove, 10 receiving groove, 11 limit pile, 12 conductive pile, 13 backing plate, 14 conductive seat, 15 annular conductive groove, 16 one-way rotation groove, 17 power cord, 18 upper opening, 19 upper outlet, 20 lower opening, 21 lower outlet, 22 fixed sleeve, 23 Fixed pin, 24 Third through hole, 25 Wear-resistant plate, 26 Guide plate, 27 Lamp body, 28 Mounting seat, 29 Adjustment device.

Detailed ways

In order to make those skilled in the art better understand the technical solutions of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

The utility model provides a height-adjustable pendant lamp as shown in Figures 1-8, comprising a lamp body 27, a mounting seat 28 is provided on the top of the lamp body 27, and an adjusting device is fixedly connected in the mounting seat 28 29. The adjusting device 29 includes an upper cover body 1 and a lower cover body 2, a winding shaft 3 is arranged between the upper cover body 1 and the lower cover body 2, and a rotating shaft 4 is rotatably connected to the middle of the winding shaft 3, so The outer side of the rotating shaft 4 is sleeved with a coil spring 5, and the two ends of the coil spring 5 are respectively fixedly connected with the inner wall of the bobbin 3. The top of the bobbin 3 is provided with a resistance complex plate 6, and the resistance complex plate 6 is connected to the outer side of the rotating shaft 4. Fixed connection, the outer side of the resistance complex plate 6 is fixedly connected with the resistance complex block 7, the outer side of the resistance complex plate 6 is provided with a limit plate 8, the limit plate 8 is fixedly connected with the top of the winding shaft 3, the limit plate 8. A limiting slot 9 is provided on the inner side, and the limiting slot 9 is matched with the resisting block 7;

The bottom of the bobbin 3 is provided with an accommodating groove 10, a limit pile 11 is arranged in the accommodating groove 10, the top of the limit pile 11 is fixedly connected with the bobbin 3, and a conductive pile 12 is provided on the outside of the rotating shaft 4, so The top of the conductive pile 12 is fixedly connected to the bobbin 3, and the accommodating groove 10 is provided with a backing plate 13. The backing plate 13 is provided with a first through hole and a second through hole on the surface. The second through hole is matched with the conductive pile 12, the top of the lower cover 2 is fixedly connected with a conductive seat 14 by screws, the limit pile 11 is matched with the conductive seat 14, and the The top of the conductive seat 14 is provided with an annular conductive groove 15, the annular conductive groove 15 is matched with the conductive pile 12, the conductive pile 12 and the conductive seat 14 are electrically connected through the annular conductive groove 15, and the middle of the conductive seat 14 is provided with The one-way rotation groove 16 is matched with the rotating shaft 4 .

Further, in the above technical solution, a power cord 17 is wound and fixed on the outside of the bobbin 3, and a helical groove is opened on the outside of the bobbin 3. The helical groove matches the power cord 17, and the setting of the helical groove ensures that The power cord 17 is regularly wound, and the lifting force is uniform and smooth. One end of the power cord 17 is electrically connected to the conductive pile 12, and the other end of the power cord 17 is electrically connected to the top of the lamp body 27. The outside of the power cord 17 is wrapped with a Wear-resistant layer, the wear-resistant layer is made of nylon material, and the provision of the wear-resistant layer is beneficial to prevent the skin insulation layer of the power cord 17 from being worn.

Further, in the above technical solution, an upper opening 18 and an upper wire outlet 19 are opened on one side of the upper cover body 1, and a lower opening 20 and a lower wire outlet 21 are formed on one side of the lower cover body 2. The opening 18 matches the lower opening 20 , and the upper wire outlet 19 matches the lower wire outlet 21 .

Further, in the above technical solution, a fixed sleeve 22 is fixedly connected to the bottom of the upper cover body 1, and a fixed plug 23 is fixedly connected to the top of the lower cover 2, and the fixed plug 23 matches the fixed sleeve 22. , the arrangement of the fixing plug 23 and the fixing sleeve 22 is beneficial to realize the quick assembly of the adjusting device 29 .

Further, in the above technical solution, a third through hole 24 is opened in the middle of the upper cover body 1, the third through hole 24 is matched with the rotating shaft 4, and the bottom of the upper cover body 1 and the resistance plate 6 are connected. There is a wear-resistant plate 25 between them, and the wear-resistant plate 25 is movably sleeved with the rotating shaft 4. The setting of the wear-resistant plate 25 is beneficial to improve the friction between the bottom of the upper cover body 1 and the refractory plate 6, so as to help the lamp body 27 Its own gravity and the elastic force of the coil spring 5 reach a balance.

Further, in the above technical solution, a guide plate 26 is provided on the side of the top of the lower cover 2 away from the conductive base 14 , the bottom of the guide plate 26 is fixedly connected with the top of the lower cover 2 , and the guide plate 26 is provided with a guide plate 26 . Being an arc-shaped plate, the arc design of the guide plate 26 is beneficial to increase the friction force between the power cord 17 and the guide plate 26 to help the lamp body 27 balance its own gravity and the elastic force of the coil spring 5 .

This practical working principle:

Referring to Figures 1 to 8 of the description, one end of the power cord 17 is electrically connected to the conductive pile 12, then the power cord 17 is wound around the outside of the spool 3, and the other end of the power cord 17 is connected between the upper outlet 19 and the lower outlet 21. Passing out, the bobbin 3 is fixedly connected with the lower cover 2, the bottom of the rotating shaft 4 is clamped with the one-way rotation groove 16, the limit pile 11 is sleeved on the outer side of the conductive seat 14, and the conductive pile 12 is slidingly connected with the annular conductive groove 15. , the electrical connection between the conductive pile 12 and the conductive seat 14 is realized by the contact of the double-wire port pins, so that the power line 17 can be effectively energized, which is convenient for installation and use, and the wear-resistant plate 25 is placed on the top of the resistance and complex plate 6, and then through the The cooperation of the fixing sleeve 22 and the fixing pin 23 realizes the fixed connection between the upper cover 1 and the lower cover 2. By pulling the power cord 17, the spool 3 is rotated clockwise, and the resistance block 7 is pressed toward the resistance and recovery plate 6. The rotating shaft 4 is limited and fixed by the one-way rotation groove 16, so as to realize the extension of the power cord 17. When the lamp body 27 reaches the specified height, release both hands, and the blocking block 7 and the limit plate 8 on both sides of the blocking plate 6 The inner limiting groove 9 is in conflict, and the lamp body 27 reaches a balance under the action of gravity and the elastic force of the coil spring 5. When the lamp body 27 needs to be raised, lift the lamp body 27 with both hands. At this time, the lamp body The gravity of 27 is removed, the winding shaft 3 rotates counterclockwise under the elastic force of the coil spring 5, the winding shaft 3 drives the resistance complex plate 6 to rotate counterclockwise by pushing the resistance block 7, and the rotating shaft 4 rotates counterclockwise in the one-way rotation groove 16. Rotate in the opposite direction, and then realize the contraction of the power cord 17, so as to achieve the purpose of raising the lamp body 27, control the power cord 17 to slide down and flow through the brake pad principle, and increase the friction force in combination with the arc surface of the guide plate 26, so that the light The weight of the body 27 is used to maintain the sagging height, and the spiral groove on the surface of the winding shaft 3 ensures that the power cord 17 is wound regularly, and the lifting force is even and smooth.

Certain exemplary embodiments of the present invention have been described above by way of illustration only, and it goes without saying that for those of ordinary skill in the art, without departing from the spirit and scope of the present invention, various different Modifications are made to the described embodiments. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

A height-adjustable pendant lamp, comprising a lamp body (27), characterized in that a mounting seat (28) is provided on the top of the lamp body (27), and an adjusting device (28) is fixedly connected in the mounting seat (28). 29), the adjusting device (29) comprises an upper cover (1) and a lower cover (2), and a bobbin (3) is arranged between the upper cover (1) and the lower cover (2), A rotating shaft (4) is rotatably connected to the middle of the winding shaft (3), a coil spring (5) is sleeved on the outer side of the rotating shaft (4), and both ends of the coil spring (5) are respectively fixed to the inner wall of the winding shaft (3). connection, the top of the winding shaft (3) is provided with a resistance complex plate (6), the resistance complex plate (6) is fixedly connected to the outer side of the rotating shaft (4), and the resistance complex plate (6) is fixedly connected to the outer side of the resistance complex plate (6). Block (7), a limit plate (8) is provided on the outer side of the resistance plate (6), the limit plate (8) is fixedly connected with the top of the winding shaft (3), and the inner side of the limit plate (8) is opened a limit slot (9), the limit slot (9) is matched with the resistance block (7);

An accommodating groove (10) is formed at the bottom of the bobbin (3), a limit pile (11) is arranged in the accommodating groove (10), and the top of the limit pile (11) is fixedly connected with the bobbin (3), A conductive pile (12) is arranged on the outer side of the rotating shaft (4), the top of the conductive pile (12) is fixedly connected with the winding shaft (3), and a backing plate (13) is arranged in the accommodating groove (10). A first through hole and a second through hole are formed on the surface of the backing plate (13), the first through hole is matched with the limit pile (11), and the second through hole is matched with the conductive pile (12), so A conductive seat (14) is fixedly connected to the top of the lower cover (2) by screws, the limit pile (11) is matched with the conductive seat (14), and an annular conductive groove (14) is provided on the top of the conductive seat (14). 15), the annular conductive groove (15) is matched with the conductive pile (12), the conductive pile (12) and the conductive seat (14) are electrically connected through the annular conductive groove (15), and the conductive seat (14) ) is provided with a one-way rotating groove (16) in the middle, and the one-way rotating groove (16) is matched with the rotating shaft (4).
A height-adjustable chandelier according to claim 1, characterized in that: a power cord (17) is wound and fixed on the outer side of the bobbin (3), and a spiral groove is formed on the outer side of the bobbin (3), The spiral groove is matched with the power cord (17), one end of the power cord (17) is electrically connected to the conductive pile (12), and the other end of the power cord (17) is electrically connected to the top of the lamp body (27) , the outer side of the power cord (17) is wrapped with a wear-resistant layer, and the wear-resistant layer is made of nylon material.
The height-adjustable chandelier according to claim 1, wherein an upper opening (18) and an upper wire outlet (19) are opened on one side of the upper cover (1), and the lower cover (1) is provided with an upper opening (18) and an upper outlet (19). (2) One side is provided with a lower opening (20) and a lower wire outlet (21), the upper opening (18) matches the lower opening (20), and the upper wire outlet (19) and the lower wire outlet (21) ) to match.
A height-adjustable pendant lamp according to claim 1, characterized in that: a fixing sleeve (22) is fixedly connected to the bottom of the upper cover (1), and a top of the lower cover (2) is fixedly connected There is a fixed plug (23), and the fixed plug (23) is matched with the fixed sleeve (22).
The height-adjustable chandelier according to claim 1, wherein a third through hole (24) is formed in the middle of the upper cover (1), and the third through hole (24) is connected to the rotating shaft. (4) Matching, a wear-resistant plate (25) is provided between the bottom of the upper cover (1) and the resistance plate (6), and the wear-resistant plate (25) is movably sleeved with the rotating shaft (4).
The height-adjustable pendant lamp according to claim 1, characterized in that a guide plate (26) is provided on the side of the top of the lower cover (2) away from the conductive seat (14), and the guide plate (26) The bottom is fixedly connected with the top of the lower cover body (2), and the guide plate (26) is set as an arc-shaped plate.