Adjustable lamp lifter

Abstract

The utility model discloses an adjustable lamp lifter which comprises a shell, a wire spool, a turbine rod, a coil spring and a worm, the wire spool is rotatably arranged in the shell, and the wire spool is conical; the turbine rod and the wire spool are coaxially arranged, one end of the turbine rod extends into the wire spool, and the other end of the turbine rod extends out of the shell and is integrally provided with a gear; the coil spring is arranged in the wire spool and is coaxial with the wire spool, the inner side end of the coil spring is fixedly connected with the turbine rod, and the outer side end of the coil spring is fixedly connected with the wire spool; a mounting support is arranged on the outer wall of the shell, the worm is rotatably connected to the mounting support, a spiral tooth protrusion is integrally formed on the worm, and the spiral tooth protrusion is meshed with the gear. According to the adjustable lamp lifter provided by the embodiment of the utility model, the height adjustability of a lamp can be realized by adopting the conical wire spool and the turbine worm transmission mechanism, and the use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of the lifting of suspension lamps, in particular to an adjustable lamp lifter. Background Art

[0002] A suspension lamp is a common lamp structure, which generally consists of a suspension base and a lamp body connected to the suspension base. Although it can meet the usage requirements in general cases, in the conventional structure, the position of the lamp body and the suspension ceiling plate is fixed and cannot be adjusted up and down as needed. In actual application, sometimes it is necessary to adjust the height of the lamp body up and down. Therefore, the conventional structure cannot meet the requirements, which is not conducive to the lifting and lifting drive control operation of the lamp, so its applicability and practicability are limited. Summary of the Utility Model

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. For this purpose, the utility model provides an adjustable lamp lifter, which can realize the adjustable height of the lamp and is convenient to use by adopting a conical winding disc and a worm and worm gear transmission mechanism.

[0004] An adjustable lamp lifter according to the utility model includes a housing, a winding disc, a worm rod, a disc spring and a worm. The winding disc is rotatably arranged in the housing and is conical; the worm rod is coaxially arranged with the winding disc, one end of the worm rod extends into the winding disc, and the other end of the worm rod extends out of the housing and is integrally formed with a gear; the disc spring is arranged in the winding disc and is coaxially arranged with the winding disc. The inner side end of the disc spring is fixedly connected to the worm rod, and the outer side end of the disc spring is fixedly connected to the winding disc; an installation support is arranged on the outer wall of the housing, the worm is rotatably connected to the installation support, and the worm is integrally formed with a spiral tooth convex, and the spiral tooth convex meshes with the gear.

[0005] The adjustable lamp lifter according to the above embodiment of the utility model has at least the following beneficial effects:

[0006] The adjustable lamp lifter provided by the embodiment of the present utility model can effectively and quickly drive the disc spring to rotate by the cooperation of the worm and the gear, thereby driving the wire winding disc to rotate, and then being able to adjust the length of the wire extending out, so as to realize the lifting adjustment of the lamp height. Through the design of the conical wire winding disc, the tension of the wire can be evenly distributed during the winding process, avoiding the problem of inconsistent tension at different positions inside the wire caused by the traditional cylindrical wire winding disc, thereby reducing the risk of wire damage. By arranging the built-in disc spring coaxially with the wire winding disc, mechanical wear can be effectively reduced, and the service life of the whole device can be prolonged. At the same time, the design of the conical wire winding disc also helps to reduce the friction between the wires, further enhancing the durability of the system. The embodiment of the present utility model simplifies the operation process of lamp lifting through the integrated design of the worm and gear transmission system. The user only needs to rotate the worm to realize the lifting of the lamp, without complex operation steps, improving the operation efficiency.

[0007] According to some embodiments of the present utility model, a manual knob or a driving motor is fixedly connected to the end of the worm.

[0008] According to some embodiments of the present utility model, the housing includes a first housing and a second housing spliced with each other. A rotating shaft is arranged inside the first housing, a central hole is arranged at the end of the rotating shaft, one end of the wire winding disc is rotatably sleeved on the rotating shaft, the second housing is provided with a through hole, the end of the turbine rod far from the gear is rotatably connected to the central hole, and the gear extends out of the through hole. The mounting seat is arranged outside the second housing.

[0009] According to some embodiments of the present utility model, the first housing includes a base, a first connecting plate and a first connecting seat. The two ends of the first connecting plate are respectively fixedly connected to the same side of the base and the first connecting seat. The rotating shaft is arranged inside the first connecting plate. The second housing includes a second connecting plate and a second connecting seat. The through hole is arranged in the middle of the second connecting plate. The mounting seat is arranged outside the second connecting plate. At least one plug block is arranged at one end of the second connecting plate. A slot corresponding to the plug block is arranged on the side of the base far from the first connecting plate. The second connecting seat is arranged at the other end of the second connecting plate. The first connecting seat and the second connecting seat are fixedly connected by bolts.

[0010] According to some embodiments of the present utility model, three plug blocks are arranged on the second connecting plate, and the three plug blocks are evenly spaced along the width direction of the second connecting plate. Three corresponding slots are arranged on the base.

[0011] According to some embodiments of the present utility model, a turntable is provided between the turbine rod and the gear. The turntable is coaxially arranged with the turbine rod, the diameter of the turntable is larger than the diameter of the through hole, and both sides of the turntable are respectively in contact with the inner side wall of the second connecting plate and the end face of the wire winding disc.

[0012] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The following further describes the present utility model in conjunction with the drawings and embodiments, where:

[0014] Figure 1 is a schematic structural diagram of an adjustable lamp lifter according to some embodiments of the present utility model;

[0015] Figure 2 is an exploded view of an adjustable lamp lifter according to some embodiments of the present utility model;

[0016] Figure 3 is a schematic structural diagram of a first housing according to some embodiments of the present utility model.

[0017] Among them, reference numerals:

[0018] wire winding disc 100;

[0019] turbine rod 200; gear 210; turntable 220;

[0020] coil spring 300;

[0021] worm 400;

[0022] first housing 500; base 510; slot 511; first connecting plate 520; rotating shaft 521; central hole 522; first connecting seat 530;

[0023] second housing 600; second connecting plate 610; through hole 611; mounting support 612; plug-in block 613; second connecting seat 620. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The embodiments of the present utility model will be described in detail below. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and should not be construed as limiting the present utility model.

[0025] In the description of the present utility model, it should be understood that when it comes to orientation descriptions, such as the orientation or positional relationship indicated by up, down, front, back, left, right, etc., it is based on the orientation or positional relationship shown in the drawings. This is only for the convenience of describing 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. Therefore, it should not be construed as a limitation to the present utility model.

[0026] In the description of the present utility model, the meaning of "several" is one or more, the meaning of "multiple" is two or more. Understandings such as "greater than", "less than", "exceeding", etc. do not include the present number, and understandings such as "above", "below", "within", etc. include the present number. If there is a description of "first" and "second", it is only for the purpose of distinguishing technical features and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0027] In the description of the present utility model, unless otherwise clearly defined, words such as "set", "installed", "connected", etc. should be understood in a broad sense. Those skilled in the art can reasonably determine the specific meanings of the above words in the present utility model in combination with the specific content of the technical solution. In the description of the present utility model, the descriptions with reference to terms such as "one embodiment", "some embodiments", "schematic embodiments", "examples", "specific examples", or "some examples", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In the description of this specification, the descriptions with reference to terms such as "one embodiment", "some embodiments", "schematic embodiments", "examples", "specific examples", or "some examples", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0028] Refer to Figure 1 and Figure 2, An adjustable lamp lifter proposed according to the present utility model includes a housing, a wire winding disc 100, a turbine rod 200, a disc spring 300 and a worm 400. The wire winding disc 100 is rotatably arranged inside the housing and is conical; the turbine rod 200 is coaxially arranged with the wire winding disc 100, one end of the turbine rod 200 extends into the wire winding disc 100, and the other end of the turbine rod 200 extends out of the housing and is integrally formed with a gear 210; the disc spring 300 is arranged inside the wire winding disc 100 and is coaxially arranged with the wire winding disc 100. The inner end of the disc spring 300 is fixedly connected to the turbine rod 200, and the outer end of the disc spring 300 is fixedly connected to the wire winding disc 100; an installation support 612 is arranged on the outer wall of the housing, the worm 400 is rotatably connected to the installation support 612, and the worm 400 is integrally formed with a spiral tooth convex, and the spiral tooth convex meshes with the gear 210.

[0029] Specifically, the adjustable lamp lifter provided by the embodiment of the present utility model can effectively and quickly realize the rotation of the turbine rod 200 driving the disc spring 300 through the cooperation of the worm 400 and the gear 210, thereby driving the wire winding disc 100 to rotate, and further being able to adjust the length of the wire extending out to realize the lifting adjustment of the lamp height. Through the design of the conical wire winding disc 100, the wire can evenly distribute the tension during the winding process, avoiding the problem of inconsistent tension at different positions inside the wire caused by the traditional cylindrical wire winding disc 100, thereby reducing the risk of wire damage. By arranging the built-in disc spring 300 coaxially with the wire winding disc 100, mechanical wear can be effectively reduced, and the service life of the entire device can be prolonged. At the same time, the design of the conical wire winding disc 100 also helps to reduce the friction between the wires, further enhancing the durability of the system. The embodiment of the present utility model simplifies the operation process of lamp lifting through an integrated transmission system. The user only needs to rotate the worm 400 to realize the lifting of the lamp, without complex operation steps, improving the operation efficiency.

[0030] Further, according to some embodiments of the present utility model, a manual knob or a driving motor is fixedly connected to the end of the worm 400. Specifically, in actual applications, the driving of the worm 400 can be manually operated or electrically controlled by a driving motor, which is convenient for users to use according to actual situations.

[0031] Further, referring to Figures 1 to 3 , according to some embodiments of the present utility model, the housing includes a first housing 500 and a second housing 600 that are spliced with each other. A rotating shaft 521 is arranged inside the first housing 500, a central hole 522 is arranged at the end of the rotating shaft 521, one end of the wire winding disc 100 is rotatably sleeved on the rotating shaft 521, the second housing 600 is provided with a through hole 611, and the end of the turbine rod 200 away from the gear 210 is rotatably connected to the central hole 522, and the gear 210 extends out of the through hole 611. The installation support 612 is arranged on the outside of the second housing 600.

[0032] Specifically, through the design of the mutual splicing of the first housing 500 and the second housing 600, the disassembly and assembly can be made more convenient, facilitating subsequent maintenance and repair, and the structure is more reasonable and compact.

[0033] Further, referring to Figures 1 to 3 , according to some embodiments of the present invention, the first housing 500 includes a base 510, a first connecting plate 520 and a first connecting seat 530. The two ends of the first connecting plate 520 are respectively fixedly connected to the same side of the base 510 and the first connecting seat 530. A rotating shaft 521 is arranged inside the first connecting plate 520. The second housing 600 includes a second connecting plate 610 and a second connecting seat 620. A through hole 611 is arranged in the middle of the second connecting plate 610. An installation support 612 is arranged outside the second connecting plate 610. At least one insertion block 613 is arranged at one end of the second connecting plate 610. A slot 511 corresponding to the insertion block 613 is arranged on the side of the base 510 away from the first connecting plate 520. The second connecting seat 620 is arranged at the other end of the second connecting plate 610. The first connecting seat 530 and the second connecting seat 620 are fixedly connected by bolts.

[0034] Specifically, the outer shell is composed of the mutually spliced first housing 500 and the second housing 600, and is fixed by the cooperation of the insertion block 613 and the slot 511, ensuring the firmness and stability of the overall structure. This design not only facilitates assembly but also effectively prevents loosening or falling off during use.

[0035] Preferably, referring to Figure 2 , according to some embodiments of the present invention, the second connecting plate 610 is provided with three insertion blocks 613. The three insertion blocks 613 are evenly spaced along the width direction of the second connecting plate 610. The base 510 is correspondingly provided with three slots 511, thereby further ensuring the firmness and stability of the overall structure and effectively preventing loosening or falling off during use.

[0036] Further, referring to Figure 2 , according to some embodiments of the present invention, a turntable 220 is arranged between the turbine rod 200 and the gear 210. The turntable 220 is coaxially arranged with the turbine rod 200. The diameter of the turntable 220 is larger than the diameter of the through hole 611. The two sides of the turntable 220 respectively fit the inner side wall of the second connecting plate 610 and the end face of the winding disc 100, thereby being able to prevent the direct contact between the gear 210 and the winding disc 100 during operation, reducing wear, and the turntable 220 can play a role in supporting and limiting the turbine rod 200, avoiding the turbine rod 200 from detaching from the through hole 611, increasing the reliability of the system and improving safety.

[0037] The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings. However, the present utility model is not limited to the above embodiments, and various changes can be made without departing from the gist of the present utility model within the scope of knowledge possessed by those of ordinary skill in the relevant art.

Claims

1. An adjustable lamp lifter, characterized in that, Comprising: A housing; A wire winding disc, rotatably arranged inside the housing. The wire winding disc is conical and is used for winding a wire, and one end of the wire is connected to a lamp; A worm rod, coaxially arranged with the wire winding disc. One end of the worm rod extends into the wire winding disc, and the other end of the worm rod extends out of the housing and is integrally formed with a gear; A disc spring, arranged inside the wire winding disc and coaxially arranged with the wire winding disc. The inner end of the disc spring is fixedly connected to the worm rod, and the outer end of the disc spring is fixedly connected to the wire winding disc; A worm, an installation support is arranged on the outer wall of the housing, the worm is rotatably connected to the installation support, the worm is integrally formed with a spiral tooth protrusion, and the spiral tooth protrusion meshes with the gear; 2. The adjustable lamp lifter according to claim 1, characterized in that, A manual knob or a driving motor is fixedly connected to the end of the worm; 3. The adjustable lamp lifter according to claim 1, characterized in that, The housing includes a first housing body and a second housing body spliced with each other. A rotating shaft is arranged inside the first housing body, a central hole is arranged at the end of the rotating shaft, one end of the wire winding disc is rotatably sleeved on the rotating shaft, the second housing body is provided with a through hole, and the end of the worm rod away from the gear is rotatably connected to the central hole. The gear extends out of the through hole, and the installation support is arranged on the outside of the second housing body; 4. The adjustable lamp lifter according to claim 3, characterized in that, The first housing body includes a base, a first connecting plate and a first connecting seat. The two ends of the first connecting plate are respectively fixedly connected to the same side of the base and the first connecting seat. The rotating shaft is arranged inside the first connecting plate. The second housing body includes a second connecting plate and a second connecting seat. The through hole is arranged in the middle of the second connecting plate. The installation support is arranged on the outside of the second connecting plate. At least one plugging block is arranged at one end of the second connecting plate. A slot corresponding to the plugging block is arranged on the side of the base away from the first connecting plate. The second connecting seat is arranged at the other end of the second connecting plate. The first connecting seat and the second connecting seat are fixedly connected by bolts; 5. The adjustable lamp lifter according to claim 4, wherein, Three plugging blocks are arranged on the second connecting plate, and the three plugging blocks are evenly spaced along the width direction of the second connecting plate. Three corresponding slots are arranged on the base; 6. The adjustable lamp lifter according to claim 4, wherein, A rotating disc is arranged between the worm rod and the gear. The rotating disc is coaxially arranged with the worm rod. The diameter of the rotating disc is larger than the diameter of the through hole. The two sides of the rotating disc are respectively attached to the inner side wall of the second connecting plate and the end face of the wire winding disc.

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