CN109268751B

CN109268751B - Height-adjustable's LED ceiling lamp

Info

Publication number: CN109268751B
Application number: CN201811302851.6A
Authority: CN
Inventors: 魏国艳
Original assignee: Jiangsu Chuangchuan Photoelectric Lighting Co Ltd
Current assignee: Jiangsu chuangchuan photoelectric lighting Co., Ltd
Priority date: 2018-11-02
Filing date: 2018-11-02
Publication date: 2020-11-17
Anticipated expiration: 2038-11-02
Also published as: CN109268751A

Abstract

The invention relates to the field of lamp decoration, and particularly discloses a height-adjustable LED (light-emitting diode) ceiling lamp, which comprises a lamp holder, a pull wire, a lampshade and a lamp post, wherein the lamp holder is arranged on the lamp holder; the pull wire is wound on the adjusting device, the length of the pull wire is adjusted in the adjusting device, the adjusting device comprises a shell, a wire spool, a rotating shaft, a wire outlet and a wire inlet, a coil spring is sleeved on the rotating shaft, the coil spring is tightened and compressed when the gear rotates under stress, and the coil spring can rotate after the pressure is removed. The pull wire can be adjusted in length according to use requirements, so that the height of the ceiling lamp is adjusted, the pull wire is wound in the adjusting device, different lengths can be wound according to different requirements, the operation is convenient and rapid, the ceiling lamp does not need to be detached for adjustment, the ceiling lamp is convenient to use in life of people, the application range of the ceiling lamp is wide, and the ceiling lamp is flexible to use.

Description

Height-adjustable's LED ceiling lamp

Technical Field

The invention relates to a lamp decoration, in particular to a height-adjustable LED ceiling lamp.

Background

The LED is called as a fourth-generation light source, has the characteristics of energy conservation, environmental protection, safety, long service life, low power consumption, low heat, high brightness, water resistance, micro size, shock resistance, easiness in dimming, light beam concentration, simplicity and convenience in maintenance and the like, and can be widely applied to the fields of various indications, display, decoration, backlight sources, common illumination and the like. LED ceiling lamps, LED ceiling lamps and the like are common indoor lighting lamps, and people mostly select the shapes when selecting the lamps. Perfect lighting effect and simple lamp assembly are the objectives pursued by those skilled in the art.

The LED ceiling lamp disclosed in Chinese patent (publication No. CN 207962373U, publication No. 2018.10.12) irradiates indoors, but cannot be adjusted in height, is fixed in height, and is not beneficial to being freely adjusted according to indoor use conditions; in addition, the existing ceiling lamp cannot clean the lamp, especially the surface of the lampshade is difficult to clean, and operation is not facilitated.

Disclosure of Invention

The invention aims to provide a height-adjustable LED ceiling lamp to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a height-adjustable LED ceiling lamp comprises a lamp holder, a traction wire, a lampshade and a lamp post; the pull wire is tied at the top of the lamp holder, the lampshade is movably connected to the side wall of the lamp holder through the lamp post, the LED light source is installed in the lampshade to provide illumination for the indoor, the pull wire is wound on the adjusting device, the length of the pull wire is adjusted by winding the pull wire in the adjusting device, and the height of the lamp holder in the indoor is changed; the adjusting device comprises a shell, a wire spool, a rotating shaft, a wire outlet and a wire inlet, wherein the shell is of a circular box structure, the rotating shaft is rotatably connected on a central shaft of the shell through a bearing, the wire spool is coaxially fixed on the rotating shaft, the wire spool rotates along with the rotating shaft, the traction wire is wound on the wire spool, a plurality of strands of wires can be wound on the wire spool, the length of the traction wire is prolonged, the wire inlet is formed in the top of the shell, the wire outlet is formed in the lower end of the shell, and the traction wire penetrates in and out of the wire outlet from the wire inlet; the gear is coaxially fixed on the rotating shaft, a coil spring is sleeved on the rotating shaft, one end of the coil spring is fixed on the gear, the other end of the coil spring is fixed on the inner wall of the shell, the coil spring is tightened and compressed when the gear rotates under stress, and the coil spring can rotate after the pressure is removed.

Further: a horizontal fixed plate is fixed below the gear, vertical supporting guide rods are fixed at two ends of the fixed plate, a horizontal movable plate penetrates through the upper end of each supporting guide rod, the movable plate is connected with the supporting guide rods in a sliding mode and can move up and down above the fixed plate, the height is adjusted, a plurality of reset springs are fixedly connected between the movable plate and the fixed plate, the movable plate is supported through the reset springs and can reset after being pressed, a vertical clamping tooth is fixed on the upper surface of the movable plate, the upper end of the clamping tooth extends into the teeth of the gear to clamp the gear and prevent the gear from rotating, so that the gear is kept in a fixed position, a horizontal iron sheet is fixed on the lower surface of the movable plate, an electromagnet is fixed on the fixed plate corresponding to the lower part of the iron sheet and is connected to a power supply through a lead and a switch, and the electromagnet generates suction force on the iron sheet after being electrified, thereby sucking the movable plate downwards and separating the movable plate from the gear.

Further: the lower end of the lamp holder is fixed with a handle, the switch is arranged on the handle, and the switch is turned on when people pull the lamp holder downwards to enable the clamping teeth to be separated from the gear.

Further: the diameter of the gear is smaller than that of the wire spool.

Further: be fixed with a plurality of mount pads on the bottom lateral wall of lamp stand, the draw-in groove has been seted up to the inside of mount pad, and the upper end of draw-in groove extends to the top of mount pad, makes the opening of draw-in groove upwards, sets up the bayonet socket that the width is less than the draw-in groove on the lateral wall that the draw-in groove corresponds, forms T font structure, is fixed with on the end of lamp pole with draw-in groove clearance fit's fixture block, make the fixture block can insert inside from the top of draw-in groove to fix the fixture block, alright with fixed.

Further: the clamping groove is provided with a clamping block, and the clamping block is provided with a clamping piece.

Further: the elastic sheet is connected to a power switch of the ceiling lamp through a lead, the contact sheet is connected to the inside of the lampshade through a lead, and the LED light source is powered on after the contact sheet is switched on.

Compared with the prior art, the invention has the beneficial effects that: the pull wire can be adjusted in length according to use requirements, so that the height of the ceiling lamp is adjusted, the pull wire is wound in the adjusting device, different lengths can be wound according to different requirements, the operation is convenient and rapid, the ceiling lamp does not need to be detached for adjustment, the ceiling lamp is convenient to use in life of people, the application range of the ceiling lamp is wide, and the ceiling lamp is flexible to use.

Lamp pole and lamp shade can be convenient dismantle from the lamp stand and clear up to simple to operate is swift, can not influence inside circuit and switch on, dismantles safety, does not need special personnel to dismantle the maintenance, makes things convenient for people's life, facilitates for the clearance of ceiling lamp.

Drawings

Fig. 1 is a schematic structural diagram of a height-adjustable LED ceiling lamp.

Fig. 2 is a schematic view of a connection structure of a wire spool in a height-adjustable LED ceiling lamp.

Fig. 3 is a schematic view of a connection structure of a gear in a height-adjustable LED pendant lamp.

Fig. 4 is a schematic structural diagram of a mounting seat in an LED ceiling lamp with adjustable height.

Fig. 5 is a schematic top view of a mounting base in a height-adjustable LED ceiling lamp.

In the figure: 1-lamp holder, 2-traction wire, 3-lamp shade, 4-lamp pole, 5-mounting seat, 6-adjusting device, 7-shell, 8-wire reel, 9-rotating shaft, 10-wire outlet, 11-wire inlet, 12-coil spring, 13-gear, 14-movable plate, 15-fixed plate, 16-supporting guide rod, 17-reset spring, 18-iron sheet, 19-electromagnet, 20-bayonet, 21-clamping groove, 22-clamping tooth, 23-elastic sheet, 24-clamping block and 25-handle.

Detailed Description

Example 1

Referring to the drawings, in the embodiment of the invention, the height-adjustable LED ceiling lamp comprises a lamp holder 1, a pull wire 2, a lampshade 3 and a lamp post 4; the pull wire 2 is at the top of lamp stand 1, and lamp shade 3 passes through lamp pole 4 swing joint on the lateral wall of lamp stand 1, installs the LED light source in the lamp shade 3, to indoor illumination that provides.

The lamp holder is characterized in that the traction wire 2 is wound on the adjusting device 6, the traction wire 2 can be wound inside the adjusting device 6, the length of the whole traction wire 2 is adjusted, the indoor height of the lamp holder 1 is changed, the adjusting device 6 comprises a shell 7, a wire reel 8, a rotating shaft 9, a wire outlet 10 and a wire inlet 11, the shell 7 is of a circular box structure, the rotating shaft 9 is rotatably connected to a central shaft of the shell 7 through a bearing, the wire reel 8 is coaxially fixed on the rotating shaft 9, the wire reel 8 rotates along with the rotating shaft 9, the traction wire 2 is wound on the wire reel 8, multiple strands can be wound on the wire reel 8, the length of the traction wire 2 is prolonged, the wire inlet 11 is formed in the top of the shell 7, the wire outlet 10 is formed in the lower end of the shell 7, and the traction wire 2 penetrates through the wire inlet 11 and; a gear 13 is coaxially fixed on the rotating shaft 9, the diameter of the gear 13 is smaller than that of the wire spool 8, a coil spring 12 is sleeved on the rotating shaft 9, one end of the coil spring 12 is fixed on the gear 13, the other end of the coil spring is fixed on the inner wall of the shell 7, the coil spring 12 is tightened and compressed when the gear 13 rotates under stress, and the coil spring 12 can rotate after the pressure is removed; a horizontal fixed plate 15 is fixed below the gear 13, vertical supporting guide rods 16 are fixed at two ends of the fixed plate 15, a horizontal movable plate 14 is arranged at the upper end of the supporting guide rods 16 in a penetrating manner, the movable plate 14 is connected with the supporting guide rods 16 in a sliding manner, so that the movable plate 14 can move up and down above the fixed plate 15, the height is adjusted, a plurality of return springs 17 are fixedly connected between the movable plate 14 and the fixed plate 15, the movable plate 14 is supported by the return springs 17 and can be reset after the movable plate 14 is stressed, a vertical latch 22 is fixed on the upper surface of the movable plate 14, the upper end of the latch 22 extends into the teeth of the gear 13 to latch the gear 13 to prevent the gear 13 from rotating, so that the gear 13 is kept fixed in position, a horizontal iron sheet 18 is fixed on the lower surface of the movable plate 14, and an electromagnet 19 is fixed on the fixed plate 15 corresponding to the lower part of the iron, the electromagnet 19 is connected to a power supply through a lead and a switch, and after the electromagnet 19 is electrified, magnetic force is generated to attract the iron sheet 18, so that the movable plate 14 is attracted downwards, and the movable plate 14 is separated from the gear 13; a handle 25 is fixed at the lower end of the lamp holder 1, a switch is arranged on the handle 25, and the switch is turned on when people pull the lamp holder 1 downwards to separate the latch 22 from the gear 13.

Example 2

In the above technical solution, the lamp post 4 is movably connected to the lamp holder 1, specifically, a plurality of mounting seats 5 are fixed on the outer side wall of the bottom of the lamp holder 1, a clamping groove 21 is formed in each mounting seat 5, the upper end of the clamping groove 21 extends to the top of the mounting seat 5, so that the opening of the clamping groove 21 faces upward, a bayonet 20 having a width smaller than that of the clamping groove 21 is formed on the side wall corresponding to the clamping groove 21 to form a T-shaped structure, a fixture block 24 in clearance fit with the clamping groove 21 is fixed on the end of the lamp post 4, so that the fixture block 24 can be inserted into the inside from the top of the clamping groove 21, the fixture block 24 is fixed, so that the lamp post 4 can be fixed, a spring piece 23 is fixed on the inner wall of the clamping groove 21, a contact piece is arranged on the fixture block 24 corresponding to the spring piece 23 when the fixture block 24 is located in the, after the LED lamp is switched on, the LED lamp is arranged on the LED light source to supply power to the LED light source.

When in use, the traction wire 2 is hung on the roof, the power wires can be bound on the traction wire 2 side by side, the lamp holder 1 is hung at the lower end of the traction wire 2, the ceiling lamp is arranged, when the height needs to be adjusted, a user holds the handle 25 under the ceiling lamp, presses the switch on the handle, enables the electromagnet 19 to be magnetic after being electrified, adsorbs the iron sheet 18, pulls the movable plate 14 downwards, thereby separating the latch 22 from the gear 13, and pulling the lamp holder 1 downwards to move the pendant downwards, or an upward force is provided to overcome the gravity of the ceiling lamp, the traction wire 2 reversely rotates under the action of the coil spring 12 to wind the traction wire 2, the shortening of the traction wire 2 is realized, the power supply of the electromagnet 19 is removed, the movable plate 14 moves upwards to enable the latch 22 to upwards extend into the teeth of the gear 13 to latch the gear 13, thereby avoiding the gear 13 from rotating, keeping the length of the traction wire 2 unchanged, and fixing the height of the lamp holder 1.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A height-adjustable LED ceiling lamp comprises a lamp holder (1), a traction wire (2), a lampshade (3) and a lamp post (4); the LED lamp is characterized in that the traction wire (2) is wound on an adjusting device (6), and the traction wire (2) is wound through the adjusting device (6) to adjust the length of the traction wire (2) inside; the adjusting device (6) comprises a shell (7), a wire spool (8), a rotating shaft (9), a wire outlet (10) and a wire inlet (11), the shell (7) is of a circular box structure, the rotating shaft (9) is rotatably connected to a central shaft of the shell (7) through a bearing, the wire spool (8) is coaxially fixed on the rotating shaft (9), the wire spool (8) rotates along with the rotating shaft (9), the traction wire (2) is wound on the wire spool (8), the wire inlet (11) is formed in the top of the shell (7), the wire outlet (10) is formed in the lower end of the shell, and the traction wire (2) penetrates through the wire inlet (11) and penetrates out of the wire outlet (10); a gear (13) is coaxially fixed on the rotating shaft (9), a coil spring (12) is sleeved on the rotating shaft (9), one end of the coil spring (12) is fixed on the gear (13), and the other end of the coil spring is fixed on the inner wall of the shell (7); a horizontal fixing plate (15) is fixed below the gear (13), vertical supporting guide rods (16) are fixed at two ends of the fixing plate (15), a horizontal movable plate (14) penetrates through the upper ends of the supporting guide rods (16), the movable plate (14) is in sliding connection with the supporting guide rods (16), a plurality of reset springs (17) are fixedly connected between the movable plate (14) and the fixing plate (15), a vertical clamping tooth (22) is fixed on the upper surface of the movable plate (14), and the upper end of the clamping tooth (22) extends into the tooth of the gear (13) to clamp the gear (13); a horizontal iron sheet (18) is fixed on the lower surface of the movable plate (14), an electromagnet (19) is fixed on the corresponding fixed plate (15) below the iron sheet (18), and the electromagnet (19) is connected with a power supply through a lead and a switch.

2. The LED ceiling lamp with the adjustable height as claimed in claim 1, wherein: the lower end of the lamp holder (1) is fixed with a handle (25), and the switch is arranged on the handle (25).

3. A height-adjustable LED ceiling lamp as claimed in claim 1 or 2, wherein: the diameter of the gear (13) is smaller than that of the wire spool (8).

4. The LED ceiling lamp with the adjustable height as claimed in claim 1, wherein: be fixed with a plurality of mount pads (5) on the bottom lateral wall of lamp stand (1), draw-in groove (21) have been seted up to the inside of mount pad (5), the upper end of draw-in groove (21) extends to the top of mount pad (5), set up bayonet socket (20) that the width is less than draw-in groove (21) on the lateral wall that draw-in groove (21) correspond, be fixed with on the end of lamp pole (4) with draw-in groove (21) clearance fit's fixture block (24), make fixture block (24) insert inside from the top of draw-in groove (21).

5. The LED ceiling lamp with the adjustable height as claimed in claim 4, wherein: an elastic sheet (23) is fixed on the inner wall of the clamping groove (21), and when the clamping block (24) is positioned in the clamping groove (21), a contact sheet is arranged on the clamping block (24) corresponding to the elastic sheet (23).

6. The LED ceiling lamp with the adjustable height as claimed in claim 5, wherein: the elastic sheet (23) is connected to a power switch of the ceiling lamp through a lead, and the contact sheet is connected to the LED light source in the lampshade (3) through a lead.