CN209415134U

CN209415134U - It is a kind of to facilitate the desk lamp for adjusting brightness

Info

Publication number: CN209415134U
Application number: CN201920211420.2U
Authority: CN
Inventors: 张根华
Original assignee: Dongguan Xingjiaxin Lighting Technology Co Ltd
Current assignee: Dongguan Xingjiaxin Lighting Technology Co Ltd
Priority date: 2019-02-19
Filing date: 2019-02-19
Publication date: 2019-09-20
Anticipated expiration: 2029-02-19

Abstract

The utility model discloses a kind of desk lamps for facilitating adjusting brightness, including pedestal and lamp cap, the downside insertion of the lamp cap is equipped with several LED lamp beads, mounting bracket is fixedly connected on rear side of the inner cavity of the pedestal, the mounting bracket is hinged with first support bar by Damping rotation shaft, the first support bar is hinged with second support bar by Damping rotation shaft, it is hinged by Damping rotation shaft between the upper end and lamp cap of the second support bar, the installed in front of the pedestal has regulating switch, the regulating switch includes columned shell and rear cover, the inner cavity of the shell is fixedly connected with mounting plate, guide rod is fixedly connected on front side of the mounting plate, the shell is rotatably connected to knob, the guide rod is flexibly connected with the sliding sleeve on rear side of knob.The lamp cap of the utility model is by first support bar and second support bar hinged support, therefore lamp cap can retract downwards the inner cavity of pedestal, facilitate and carried and packed.

Description

It is a kind of to facilitate the desk lamp for adjusting brightness

Technical field

The utility model relates to desk lamp technical fields, specially a kind of to facilitate the desk lamp for adjusting brightness.

Background technique

Desk lamp is predominantly disposed on desk or dining table, so that illumination is used, does not interfere with the light in entire room, Effect is confined to around desk lamp, and easy to read, study, saves the energy at work.Desk lamp generally includes lamp cap, chassis and connection The connector of lamp cap and chassis.Connector generallys use the modes such as screw with chassis and is fixedly connected, and can not pack up, lead to entirety Packaging volume is larger, and not readily portable.

Utility model content

The purpose of this utility model is to provide a kind of desk lamps for facilitating adjusting brightness, to solve to mention in above-mentioned background technique Out the problem of.

To achieve the above object, the utility model provides the following technical solutions: a kind of desk lamp facilitating adjusting brightness, including The downside insertion of pedestal and lamp cap, the lamp cap is equipped with several LED lamp beads, is fixedly connected on rear side of the inner cavity of the pedestal Mounting bracket, the mounting bracket are hinged with first support bar by Damping rotation shaft, and the first support bar passes through Damping rotation shaft It is hinged with second support bar, it is hinged by Damping rotation shaft between the upper end and lamp cap of the second support bar, before the pedestal Side is equipped with regulating switch, and the regulating switch includes columned shell and rear cover, and the inner cavity of the shell is fixedly connected with Mounting plate is fixedly connected with guide rod on front side of the mounting plate, and the shell is rotatably connected to knob, the guide rod and knob The sliding sleeve of rear side is flexibly connected, and the rear side insertion of the knob is equipped with main contact block, and branch touching is equipped on the inner wall of the shell Piece.

Preferably, the pedestal is rectangular box structure, and the rear side of the pedestal is hinged with handle by bracket.

Preferably, the rear end of the rear cover and front end and shell is spirally connected, and the rear side of the rear cover is equipped with trunnion and trunnion is used It is connected and fixed on front side of screw and pedestal.

Preferably, spring is fixedly connected on the mounting plate, the spring is socketed on guide rod, the front end of the spring It is fixedly connected with the sliding sleeve on rear side of knob.

Preferably, there are two the branch contact is set, the knob uses plastic material injection molding.

Preferably, gag lever post is fixedly connected on rear side of the knob, the mounting plate is equipped with arc waist hole, the limit Position bar is slidably connected with arc waist hole.

Compared with prior art, the utility model has the beneficial effects that the utility model is arranged two in regulating switch Branch contact, a branch contact and all LED lamp beads are electrically connected, and the LED lamp bead of another contact and half is electrically connected, and are led to Crossing turning knob can select main contact block and which branch contact pad to adjust brightness, easy to adjust.Lamp cap is by first Strut and second support bar hinged support, therefore lamp cap can retract downwards the inner cavity of pedestal, facilitate and carried and packed.

Detailed description of the invention

Fig. 1 is the utility model side structure schematic view；

Fig. 2 be in the utility model Fig. 1 A-A to diagrammatic cross-section；

Fig. 3 is the structural schematic diagram of the utility model regulating switch；

Fig. 4 is B-B direction diagrammatic cross-section in the utility model Fig. 3.

In figure: 1 pedestal, 2 lamp caps, 3 first support bars, 4 second support bars, 5 mounting brackets, 6 handles, 7LED lamp bead, 8 are adjusted Save switch, 80 mounting plates, 81 shells, 82 rear covers, 83 knobs, 84 gag lever posts, 85 main contact blocks, 86 contacts, 87 guide rods, 88 bullets Spring, 89 arc waist holes.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of to facilitate the desk lamp for adjusting brightness, including bottom Seat 1 and lamp cap 2, the downside insertion of the lamp cap 2 are equipped with several LED lamp beads 7, fixed company on rear side of the inner cavity of the pedestal 1 It is connected to mounting bracket 5, the mounting bracket 5 is hinged with first support bar 3 by Damping rotation shaft, and the first support bar 3 passes through Damping rotation shaft is hinged with second support bar 4, hinged by Damping rotation shaft between the upper end and lamp cap 2 of the second support bar 4, institute The installed in front for stating pedestal 1 has regulating switch 8, and the regulating switch 8 includes columned shell 81 and rear cover 82, the shell 81 inner cavity is fixedly connected with mounting plate 80, and the front side of the mounting plate 80 is fixedly connected with guide rod 87, and the shell 81 turns Dynamic to be connected with knob 83, the guide rod 87 is flexibly connected with the sliding sleeve of 83 rear side of knob, and the rear side of the knob 83 is embedded in installation There is main contact block 85, branch contact 86 is installed on the inner wall of the shell 81.

Specifically, the pedestal 1 is rectangular box structure, the rear side of the pedestal 1 is hinged with handle 6 by bracket, side Just it is carried.

Specifically, the rear cover 82 is spirally connected with front end and the rear end of shell 81, the rear side of the rear cover 82 be equipped with trunnion and Trunnion is connected and fixed with the front side of screw and pedestal 1.

Specifically, being fixedly connected with spring 88 on the mounting plate 80, the spring 88 is socketed on guide rod 87, the bullet The front end of spring 88 is fixedly connected with the sliding sleeve of 83 rear side of knob, and the elongation of spring 88 pushes against knob 83, so that existing in rotation Resistance.

Specifically, LED lamp bead 7 is divided into two groups by connection type, and one group is all there are two the branch contact 86 sets LED lamp bead 7 is connect with a branch contact 86, and another group is that the LED lamp bead 7 of half is connect with another branch contact 86, is revolved in this way Rotate button 83 i.e. and may be selected that whole lamp beads are bright or half lamp bead is bright, the knob 83 uses plastic material injection molding, shell 81 It is similarly ambroin material.

Specifically, the rear side of the knob 83 is fixedly connected with gag lever post 84, the mounting plate 80 is equipped with arc waist hole 89, the gag lever post 84 is slidably connected with arc waist hole 89, and the angular range that knob 83 can rotate is certain.

Working principle: main contact block 85 connects wire and plug, and a branch contact 86 and all LED lamp beads 7 are electrically connected, separately The LED lamp bead 7 of one contact 86 and half is electrically connected, and main contact block 85 and which branch contact can be selected by turning knob 86 contacts, contact are turning circuit, and LED lamp bead 7 shines.86 difference of branch contact is accessed, the quantity of light-emitting LED lamp bead 7 is different, from And achieve the purpose that adjust brightness.Mounting plate 80 is equipped with arc waist hole 89, and gag lever post 84 is slidably connected with arc waist hole 89, limits The slewing area of knob 83 processed prevents rotation multi-turn from twisting into two parts electric wire is connected, and lamp cap 2 is supported by first support bar 3 and second 4 hinged support of bar, therefore lamp cap 2 can retract downwards the inner cavity of pedestal 1, facilitate and carried and packed.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of facilitate the desk lamp for adjusting brightness, including pedestal (1) and lamp cap (2), it is characterised in that: under the lamp cap (2) Side insertion is equipped with several LED lamp beads (7), is fixedly connected with mounting bracket (5) on rear side of the inner cavity of the pedestal (1), described Mounting bracket (5) is hinged with first support bar (3) by Damping rotation shaft, and the first support bar (3) is hinged by Damping rotation shaft Have second support bar (4), hinged by Damping rotation shaft between the upper end and lamp cap (2) of the second support bar (4), the pedestal (1) installed in front has regulating switch (8), and the regulating switch (8) includes columned shell (81) and rear cover (82), described The inner cavity of shell (81) is fixedly connected with mounting plate (80), is fixedly connected with guide rod (87), institute on front side of the mounting plate (80) Being rotatably connected to knob (83) for shell (81) is stated, the guide rod (87) is flexibly connected with the sliding sleeve on rear side of knob (83), described The rear side insertion of knob (83) is equipped with main contact block (85), is equipped with branch contact (86) on the inner wall of the shell (81).

2. a kind of desk lamp for facilitating adjusting brightness according to claim 1, it is characterised in that: the pedestal (1) is rectangle The rear side of box body structure, the pedestal (1) is hinged with handle (6) by bracket.

3. a kind of desk lamp for facilitating adjusting brightness according to claim 1, it is characterised in that: the rear cover (82) and front end It is spirally connected with the rear end of shell (81), the rear side of the rear cover (82), which is equipped on front side of trunnion and trunnion screw and pedestal (1), to be connected Connect fixation.

4. a kind of desk lamp for facilitating adjusting brightness according to claim 1, it is characterised in that: solid on the mounting plate (80) Surely it is connected with spring (88), the spring (88) is socketed on guide rod (87), behind the front end and knob (83) of the spring (88) The sliding sleeve of side is fixedly connected.

5. a kind of desk lamp for facilitating adjusting brightness according to claim 1, it is characterised in that: the branch contact (86) is equipped with Two, the knob (83) uses plastic material injection molding.

6. a kind of desk lamp for facilitating adjusting brightness according to claim 1, it is characterised in that: the rear side of the knob (83) It is fixedly connected with gag lever post (84), the mounting plate (80) is equipped with arc waist hole (89), the gag lever post (84) and curved waist Hole (89) is slidably connected.