CN214198269U

CN214198269U - Desk lamp adjusting mechanism

Info

Publication number: CN214198269U
Application number: CN202120383926.9U
Authority: CN
Inventors: 王鹏睿
Original assignee: E Lite Lighting Co ltd
Current assignee: Shenzhen Nairui Technology Co ltd
Priority date: 2021-02-21
Filing date: 2021-02-21
Publication date: 2021-09-14
Anticipated expiration: 2031-02-21

Abstract

The utility model relates to the technical field of lamps, in particular to a desk lamp adjusting mechanism; the device comprises a vertical pipe, a lifting rod and a cross beam rod, wherein the lower end of the lifting rod is arranged in an inner hole of the vertical pipe in a penetrating manner and can slide up and down, a first electric rail is arranged in the vertical pipe, a pipe orifice seat is arranged at the upper end of the lifting rod, the cross beam rod is arranged on the pipe orifice seat in a penetrating manner and can slide along the pipe orifice seat in a transverse direction, a second electric rail is arranged on the cross beam rod, a first conductive contact is arranged at the lower end of the lifting rod, and a second conductive contact is arranged on the pipe orifice seat; the utility model discloses rational in infrastructure, two electrically conductive contacts are passed through at the both ends of lifter, connect the electric rail on riser and the crossbeam pole respectively to when making the lifter slide from top to bottom along the riser with the crossbeam pole along mouth of pipe seat lateral sliding, two electrically conductive contacts keep the electricity of contact nature with the electric rail to be connected, have avoided the wire to connect and have the circuit problem of dragging, flexibility when improving lamps and lanterns regulation, but riser, lifter and crossbeam pole independent partial shipment, the storage transportation and later stage assembly of being convenient for.

Description

Desk lamp adjusting mechanism

Technical Field

The utility model relates to the technical field of lamps and lanterns, specifically indicate a desk lamp adjustment mechanism.

Background

Due to different design concepts and application occasions of the lamp, the lamp is different in structural characteristics, various in types and different in functions. With traditional desk lamp structure, mainly constitute lamp stand, lamp holder, lamp shade and bulb, pass through vaulting pole fixed connection between lamp holder and the lamp stand, the vaulting pole divide into fixed or can the formula of buckling. The LED serving as a solid semiconductor device capable of directly converting electric energy into visible light has the characteristics of high efficiency, low energy consumption, good light quality, safety in use, long service life, environmental friendliness, flexibility in control and the like, and can be widely used as a main lighting device for replacing a traditional light source in a household lamp.

Common desk-top lamp of LED generally comprises lamp stand, support piece and light source subassembly, and casing, snoot, light source, cowling panel and electrical source controller etc. have been integrateed to the light source subassembly, and the lamp stand can be placed on ground or mesa, support piece one end and lamp stand fixed connection, and the light source subassembly passes through adaptation structure and installs the other end at support piece. The desk lamp is generally connected with the fixed socket through a power line, and the power line is communicated with the light source component through an electric wire penetrating through the supporting piece. The power cord is connected between the desk lamp and the socket as an open cord, so that tripping risks exist for users, and the influence on the cleanliness of the indoor environment is large. The support member requires the penetration of electrical wires, which adversely affects assembly and production. Particularly, in the conventional LED desk lamp, the lighting height and angle adjusting function is common, the support member can be adjusted up and down by using the telescopic tube structure, but the wires in the support member have no deformation, and the length of the pre-threaded wires in the support member is necessarily maximized in order to adapt to the deformation, and the long pre-threaded wires greatly affect the flexibility of the support member in the up and down movement.

Accordingly, the prior art is yet to be improved and developed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect with not enough, provide a rational in infrastructure, flexible action, convenient assembling's desk lamp adjustment mechanism.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a desk lamp adjustment mechanism, including riser, lifter and crossbeam pole, the lower extreme of lifter wears to locate in the hole of riser and can follow its up-and-down slip, is equipped with first electric rail in the riser, the upper end of lifter is equipped with the mouth of pipe seat, and the crossbeam pole wears to locate on the mouth of pipe seat and can follow its lateral sliding, the second electric rail on the crossbeam pole, the lower extreme of lifter is equipped with first conductive contact, is equipped with the conductive contact of second on the mouth of pipe seat.

According to the scheme, the first conductive contact comprises a U-shaped piezoelectric sheet, two end parts of the piezoelectric sheet are respectively provided with an electric connection terminal, and the two electric connection terminals are respectively in contact connection with positive and negative conductive sheets of the first electric rail under the support of the piezoelectric sheet; the transition part of the piezoelectric patch is provided with a riveting plug which is arranged in the lower port of the lifting rod in a penetrating way and is fixedly connected with the lifting rod.

According to the above scheme, the second conductive contact comprises a power connection base, two power connection spring pins which are spaced from each other are arranged on the power connection base, and the two power connection spring pins can be respectively in contact connection with positive and negative conductive plates of the second power rail.

According to above scheme, the lifter is hollow structure and wears to be equipped with the wire in its hole, and two connect the electric terminal and connect corresponding electricity bullet needle through the wire connection respectively.

According to the scheme, the electric base is provided with the sliding block, and one end face of the sliding block is in sliding fit with the second electric rail.

According to the scheme, the upper end opening of the lifting rod is provided with the connecting rod in an inserted mode, and the upper end of the connecting rod is rotatably connected with the pipe orifice seat through the hinge.

According to the scheme, the pipe orifice seat is provided with an anti-skidding limiting stopper matched with the cross beam rod.

The utility model discloses beneficial effect does: the utility model discloses rational in infrastructure, two electrically conductive contacts are passed through at the both ends of lifter, connect the electric rail on riser and the crossbeam pole respectively to when making the lifter slide from top to bottom along the riser with the crossbeam pole along mouth of pipe seat lateral sliding, two electrically conductive contacts keep the electricity of contact nature with the electric rail to be connected, have avoided the wire to connect and have the circuit problem of dragging, flexibility when improving lamps and lanterns regulation, but riser, lifter and crossbeam pole independent partial shipment, the storage transportation and later stage assembly of being convenient for.

Drawings

FIG. 1 is a schematic view of the overall exploded structure of the present invention;

fig. 2 is a schematic view of the overall cross-sectional structure of the present invention;

fig. 3 is a schematic view of the exploded structure of the lifting rod of the present invention.

In the figure:

1. a riser; 2. a lifting rod; 3. a beam rod; 11. a first power rail; 21. a pipe orifice seat; 22. a piezoelectric sheet; 23. an electric terminal is connected; 24. riveting the plug; 25. a power connection base; 26. connecting a power spring needle; 27. a slider; 28. a connecting rod; 29. an anti-slip stopper; 31. a second power rail.

Detailed Description

The technical solution of the present invention will be described below with reference to the accompanying drawings and examples.

As shown in fig. 1-3, a desk lamp adjustment mechanism, including riser 1, lifter 2 and crossbeam pole 3, the lower extreme of lifter 2 wears to locate in riser 1's hole and can follow and slide from top to bottom, is equipped with first electric rail 11 in the riser 1, the upper end of lifter 2 is equipped with pipe mouthful seat 21, and crossbeam pole 3 wears to locate on pipe mouthful seat 21 and can follow its lateral sliding, second electric rail 31 on the crossbeam pole 3, the lower extreme of lifter 2 is equipped with first conductive contact, is equipped with the second conductive contact on the pipe mouthful seat 21. The lifting rod 2 and the vertical pipe 1 form hole-shaft matching, so that the lifting rod 2 can move up and down along the vertical pipe 1, and when the lifting rod 2 is used for height adjustment, the first conductive contact is always in abutting connection with the first electric rail 11 so as to keep electric connection; similarly, a hole-shaft fit is formed between the beam rod 3 and the nozzle seat 21, and when the beam rod 3 moves transversely along the nozzle seat 21, the second conductive contact is always in interference connection with the second power rail 31 to maintain electrical connection. The lifting rod 2 can change the height of the beam rod 3 through up-and-down movement, and the beam rod 3 is used for installing and supporting the light-emitting component, so that the lighting height and position of the light-emitting component can be changed. Particularly, when the cross beam rod 3, the vertical pipe 1 and the lifting rod 2 are relatively displaced, no electric wire is dragged and caught, so that the movement of the lifting rod 2 is more flexible.

The first conductive contact comprises a U-shaped piezoelectric sheet 22, two end parts of the piezoelectric sheet 22 are respectively provided with an electric connection terminal 23, and the two electric connection terminals 23 are respectively in contact connection with positive and negative conductive sheets of the first electric rail 11 under the support of the piezoelectric sheet 22; the transition part of the piezoelectric patch 22 is provided with a riveting plug 24, and the riveting plug 24 is arranged in the lower port of the lifting rod 2 in a penetrating manner and is fixedly connected with the lower port. The riveting plug 24 is a hollow plug, two electric terminals 23 are connected with a wire, the wire penetrates through the lifting rod 2, the lower end of the first electric rail 11 is connected with the power controller to be connected with an external power supply, and the first electric rail 11, the electric terminals 23 and the wire form a circuit connection between the upper end of the lifting rod 2 and the lower end of the vertical pipe 1.

The second conductive contact comprises an electric connection base 25, two electric connection spring pins 26 which are spaced from each other are arranged on the electric connection base 25, and the two electric connection spring pins 26 can be respectively in contact connection with positive and negative conductive plates of the second electric rail 31. When the beam rod 3 relatively translates along the nozzle seat 21, the electric contact spring pin 26 properly contacts and connects with the second electric rail 31 by its own elasticity to maintain the electric connection. The electricity connection elastic needle 26 is connected with a corresponding electricity connection terminal at the lower end of the lifting rod 2 through a lead, so that the first electric rail 11 and the second electric rail 31 are communicated in a circuit.

The lifting rod 2 is of a hollow structure, a wire penetrates through an inner hole of the lifting rod, and the two electric connection terminals 23 are respectively connected with corresponding electric connection elastic needles 26 through wires. The positions of the electric connection bases 25 at the two ends of the lifting rod 2 and the piezoelectric sheet 22 are relatively fixed, and the lifting rod 2 and the structures at the two ends of the lifting rod can be integrally assembled into independent assemblies, and the lifting rod 2, the cross beam rod 3 and the vertical pipe 1 are respectively and independently arranged, so that the storage, transportation and later-stage assembly are facilitated.

The electric base 25 is provided with a sliding block 27, and one end face of the sliding block 27 is in sliding fit with the second electric rail 31. The sliding block 27 is used for controlling the distance between the second power rail 31 and the power connection base 25, so that the second power rail 31 is prevented from being too close to the power connection base 25, and the damage probability caused by excessive compression of the power connection spring needle 26 is reduced.

A connecting rod 28 is inserted into the upper port of the lifting rod 2, and the upper end of the connecting rod 28 is rotatably connected with the pipe orifice seat 21 through a hinge. The connecting rod 28 is used for installing the nozzle base 21, and the connecting rod 28 and the nozzle base 21 can rotate relatively to enable the horizontal posture of the cross beam rod 3 to be adjusted. Be equipped with on the mouth of a pipe seat 21 with crossbeam pole 3 complex anti-skidding stopper 29, when crossbeam pole 3 slope sets up, anti-skidding stopper 29 prevents that crossbeam pole 3 from sliding by oneself through the frictional force between reinforcing crossbeam pole 3 and the mouth of a pipe seat 21.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims

1. The utility model provides a desk lamp adjustment mechanism, includes riser (1), lifter (2) and crossbeam pole (3), its characterized in that: the lower extreme of lifter (2) is worn to locate in the hole of riser (1) and can be followed and slide from top to bottom, is equipped with first electric rail (11) in riser (1), the upper end of lifter (2) is equipped with pipe orifice seat (21), and crossbeam pole (3) are worn to locate on pipe orifice seat (21) and can follow its lateral sliding, second electric rail (31) on crossbeam pole (3), the lower extreme of lifter (2) is equipped with first conductive contact, is equipped with the second conductive contact on pipe orifice seat (21).

2. The desk lamp adjusting mechanism of claim 1, wherein: the first conductive contact comprises a U-shaped piezoelectric sheet (22), two end parts of the piezoelectric sheet (22) are respectively provided with an electric connection terminal (23), and the two electric connection terminals (23) are respectively in contact connection with positive and negative conductive sheets of the first electric rail (11) under the support of the piezoelectric sheet (22); the transition part of the piezoelectric patch (22) is provided with a riveting plug (24), and the riveting plug (24) is arranged in the lower port of the lifting rod (2) in a penetrating way and is fixedly connected with the lifting rod.

3. The desk lamp adjusting mechanism of claim 1, wherein: the second conductive contact comprises a power connection base (25), two power connection elastic needles (26) which are spaced from each other are arranged on the power connection base (25), and the two power connection elastic needles (26) can be respectively in contact connection with positive and negative conductive plates of the second power rail (31).

4. A desk lamp adjusting mechanism according to claim 2 or 3, wherein: the lifting rod (2) is of a hollow structure, a wire penetrates through an inner hole of the lifting rod, and the two electric connection terminals (23) are connected with corresponding electric connection elastic needles (26) through the wire respectively.

5. The desk lamp adjusting mechanism of claim 3, wherein: the electric connection base (25) is provided with a sliding block (27), and one end face of the sliding block (27) is in sliding fit with the second electric rail (31).

6. The desk lamp adjusting mechanism of claim 4, wherein: a connecting rod (28) is inserted into the upper port of the lifting rod (2), and the upper end of the connecting rod (28) is rotatably connected with the pipe orifice seat (21) through a hinge.

7. The desk lamp adjusting mechanism of claim 6, wherein: and the pipe orifice seat (21) is provided with an anti-skid stopper (29) matched with the beam rod (3).