CN112524507A

CN112524507A - Shrink protection type does not have cover desk lamp

Info

Publication number: CN112524507A
Application number: CN202011320157.4A
Authority: CN
Inventors: 戴祥禄
Original assignee: Individual
Current assignee: Fuluo Lighting Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-03-19
Anticipated expiration: 2040-11-23
Also published as: CN112524507B

Abstract

The invention discloses a shrinkage protection type coverless desk lamp which comprises a stand column, wherein a lower magnet is fixed at the inner bottom of the stand column, the inner wall of the stand column is connected with a buffer block in a sealing and sliding manner, an upper magnet is fixed at the upper end of the buffer block, an electricity connecting box is fixed at the upper end of the upper magnet, the upper end of the electricity connecting box is connected with a lamp tube through an electricity connecting mechanism, two sliding grooves are symmetrically formed in the inner wall of the upper part of the stand column, and shielding mechanisms are arranged inside the two sliding grooves. Has the advantages that: through setting up magnet and the setting of magnet down, when needs use, the fluorescent tube stretches out under magnetic force, thereby realizes the illumination demand, and when not using, the fluorescent tube is located inside the stand, thereby obtains effectual protection of shielding, can not receive the damage easily, does not need extra lamp shade to protect and prevent the ash, under equal light intensity demand, can suitably reduce power and reduce energy loss, and do not have the closure of lamp shade, the radiating effect of fluorescent tube will obtain very big promotion.

Description

Shrink protection type does not have cover desk lamp

Technical Field

The invention relates to the technical field of illumination, in particular to a contraction protection type coverless desk lamp.

Background

The lighting lamp is a necessary product in daily life, and with the progress of economic society of China, novel light sources such as fluorescent lamps, energy-saving lamps and LEDs are appeared, so that the lighting lamp has the evolution of turning over the sky and covering the land;

the desk lamp is the indoor auxiliary lamp commonly used, often do not need great light coverage, the wide application is in the illumination of night miniaturely, and current desk lamp is when the design, the fluorescent tube is basically sealed by the lamp shade parcel, the realization is to the protection of fluorescent tube, gather light simultaneously, but not very necessary, and lead to the fluorescent tube heat dissipation untimely easily, it is higher to cause the fluorescent tube temperature, influence inner circuit, cause the reduction of fluorescent tube life, consequently, need for one kind can effectively protect the fluorescent tube but need not the desk lamp of lamp shade urgently.

Disclosure of Invention

The invention aims to solve the problems that a desk lamp in the prior art is limited by a lampshade and poor in heat dissipation effect, and provides a contraction protection type coverless desk lamp.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a shrink protection type does not have cover desk lamp, includes the stand, the interior bottom of stand is fixed with down magnet, the inner wall sealing sliding connection of stand has the buffer block, the upper end of buffer block is fixed with magnet, the upper end of going up magnet is fixed with connects the electricity box, the upper end that connects the electricity box is connected with the fluorescent tube through connecting the electric mechanism, two spouts, two have been seted up to the upper portion inner wall symmetry of stand the inside of spout all is equipped with shields the mechanism.

In the above-mentioned shrink protection type coverless desk lamp, the electricity connection mechanism comprises an electricity connection post fixed at the bottom of the lamp tube, two symmetrically arranged electricity connection heads are fixed on the side wall of the electricity connection post, and two symmetrically arranged electricity connection capsules are fixed on the inner wall of the electricity connection box.

In the above shrinkage protection type coverless desk lamp, the electric connection capsules are made of elastic conductive films, electrorheological fluid is filled in the electric connection capsules, and the two electric connection capsules wrap the two electric connection heads respectively.

In the above-mentioned shrink protection type coverless desk lamp, the shielding mechanism includes the baffle with spout inner wall sliding connection, the lateral wall of baffle is fixed with the telescopic link, the outer wall of stand is connected with the commentaries on classics board that offsets with the telescopic link through the torsional spring rotation.

In the above-mentioned shrink protection type coverless desk lamp, the baffle and the inner wall of the chute are jointly fixed with a telescopic bar, the telescopic bar is made of magnetostrictive material, and the telescopic bar is made of memory metal.

Compared with the prior art, the invention has the advantages that:

1. according to the invention, through the arrangement of the upper magnet and the lower magnet, when the lamp tube is required to be used, the lamp tube extends out under the action of magnetic force, so that the lighting requirement is realized, and when the lamp tube is not used, the lamp tube is positioned in the upright post, so that the lamp tube is effectively shielded and protected, the lamp tube is not easily damaged, an extra lampshade is not required for protection and dust prevention, under the requirement of the same light intensity, the power can be properly reduced, the energy loss is reduced, the lampshade is not sealed, the heat dissipation effect of the lamp tube is greatly improved, and the service life of the lamp tube can be prolonged to a certain extent;

2. in the invention, the buffer block is arranged, and magnetorheological fluid is filled in the upright post, so that in the extending process of the lamp tube, the whole fluidity is reduced due to the action of a magnetic field, and only the slow hole with smaller aperture is opened, therefore, the buffer block has lower initial speed in the upward moving process, thereby avoiding the damage caused by the rapid ejection of the lamp tube, also avoiding the unnecessary damage caused by the mistaken opening, and when the upward moving end of the buffer block is separated from the position of the magnetic fluid, the whole moving speed is higher, thereby compensating the extending speed of the whole, ensuring that the whole starting time meets the requirement and the initial damage can not be caused;

3. in the invention, the electricity connecting box is arranged, so that the lamp tube is in a stable clamping state under the clamping action of solidification and expansion of the electrorheological fluid when the electricity is connected, and can be easily taken down under the action of the elasticity of the electricity connecting bag only when the lamp tube is powered off, so that the whole lamp tube is very convenient to disassemble and assemble;

4. in the invention, when the lamp tube is used, the lamp tube is supported by the magnetic force to be in an upward suspension state and at the limit position of the magnetic distance, so that the lamp tube can easily move downwards to avoid when being interfered by external contact, thereby avoiding the accidental excessive collision of the lamp tube and effectively protecting the lamp tube;

5. according to the invention, when the lamp is taken in at a higher temperature, the concentrated internal heat enables the telescopic strips to reach the metamorphic temperature, so that the telescopic strips shrink, the baffle plate can return to the sliding groove, the upper part of the upright post is opened, the heat emission efficiency is improved, and the lamp tube damage caused by an internal closed state is avoided.

Drawings

Fig. 1 is a schematic structural diagram of a shrinkage protection type coverless desk lamp according to the present invention;

fig. 2 is a sectional view taken in the direction a of fig. 1.

In the figure: 1 upright post, 2 lower magnets, 3 buffer blocks, 4 upper magnets, 5 electric connection boxes, 6 lamp tubes, 7 electric connection posts, 8 electric connection terminals, 9 electric connection capsules, 10 retarding holes, 11 quick holes, 12 sliding grooves, 13 telescopic rods, 14 baffle plates, 15 rotating plates and 16 telescopic bars.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-2, a shrink protection type coverless desk lamp comprises a stand column 1, a lower magnet 2 is fixed at the inner bottom of the stand column 1, a buffer block 3 is connected to the inner wall of the stand column 1 in a sealing and sliding manner, an upper magnet 4 is fixed at the upper end of the buffer block 3, an electric connection box 5 is fixed at the upper end of the upper magnet 4, a lamp tube 6 is connected to the upper end of the electric connection box 5 through an electric connection mechanism, two sliding grooves 12 are symmetrically formed in the inner wall of the upper portion of the stand column 1, a shielding mechanism is arranged inside the two sliding grooves 12, magnetorheological fluid is filled inside the stand column 1 and is located between the lower magnet 2 and the upper magnet 4, the fluidity of the desk lamp can be reduced under the action of magnetic force.

The power connection mechanism comprises a power connection post 7 fixed at the bottom of the lamp tube 6, two symmetrically arranged power connection heads 8 are fixed on the side wall of the power connection post 7, and two symmetrically arranged power connection capsules 9 are fixed on the inner wall of the power connection box 5; the electric connection capsule 9 is made of an elastic conductive film, electrorheological fluid is filled in the electric connection capsule 9, the two electric connection plugs 8 are respectively wrapped by the two electric connection capsules 9, and the two electric connection plugs 8 are respectively connected with the wiring of the lamp tube 6.

The shielding mechanism comprises a baffle plate 14 which is in sliding connection with the inner wall of the sliding groove 12, a telescopic rod 13 is fixed on the side wall of the baffle plate 14, a rotating plate 15 which is abutted against the telescopic rod 13 is rotatably connected to the outer wall of the upright post 1 through a torsion spring, and the baffle plate 14 seals the upper part of the upright post 1 when not used, so that the lamp tube 6 is prevented from falling off when not used, and the lamp tube 6 is protected.

The baffle 14 is fixed with the telescopic bar 16 with the inner wall of spout 12 jointly, and telescopic link 13 is made by the magnetostrictive material, and telescopic bar 16 is made by memory metal, and telescopic link 13 realizes automatic flexible when the outage such as fluorescent tube 6 is opened and close to accomplish the automatic flexible of baffle 14, and telescopic bar 16 will contract automatically when feeling high temperature, avoid high temperature damage.

In the invention, when the desk lamp is started, the lower magnet 2 and the upper magnet 4 are electrified to generate magnetic fields which are mutually discharged, the magnetic fields of the two magnets cover the area of the telescopic rod 13, the telescopic rod 13 is contracted under the action of the magnetic fields, the two baffle plates 14 are moved into the chute 12 along with the telescopic rod, the upper end of the upright post 1 is opened, the upper magnet 4 moves upwards under the action of magnetic repulsion force, so that the power receiving box 5 and the lamp tube 6 synchronously move upwards until reaching the limit of magnetic distance, under the state, the lamp tube 6 just effectively extends out to complete effective lighting effect, after power failure is closed, the lamp tube 6 falls back into the upright post 1, thereby realizing the storage of the lamp tube 6, avoiding the lamp tube 6 from being exposed in air for long time when not used, avoiding serious dust falling caused by the long-time non-use of the lamp tube 6, and avoiding shielding light due to no lampshade arranged when in use, the integral brightness is improved, the power can be properly reduced and the energy loss can be reduced under the same light intensity requirement, the lampshade is not sealed, the heat dissipation effect of the lamp tube 6 is greatly improved, and the service life of the lamp tube 6 can be prolonged to a certain extent;

at the moment of electrifying and starting the lamp tube 6, when the buffer block 3 moves upwards, the magnetorheological fluid at the bottom of the upright post 1 is acted by a magnetic field, the whole fluidity is lowered, and only the slow hole 10 with smaller aperture is opened, so the initial speed of the buffer block 3 moving upwards is slower, the damage caused by the quick ejection of the lamp tube 6 is avoided, unnecessary damage caused by false opening can also be avoided, when the distance from the upward moving end of the buffer block 3 is separated from the position of the magnetofluid, the whole moving speed is faster, the whole extending speed is compensated, the whole starting time meets the requirement and cannot cause the initial damage, when falling back, the magnetofluid is not acted by the magnetic field, the fluidity is stronger, the quick hole 11 is unblocked, the whole speed is faster, but the falling state can be buffered, and the damage and the quick recovery are not influenced;

when the lamp tube 6 is installed and the electric connection column 7 is inserted into the electric connection box 5, the electric connection capsule 9 can deform, so that the electric connection head 8 is in contact with the electric connection capsule 9 and is extruded to deform, the electric connection capsule 9 wraps the electric connection head 8 and limits the electric connection head 8 to a certain extent, at the moment of electrification, electrorheological fluid in the electric connection capsule 9 is subjected to electric connection solidification and expansion, so that the two electric connection capsules 9 are expanded to clamp the electric connection column 7, and the solidified electrorheological fluid cannot deform, so that the lamp tube 6 after electrification is stable in connection and cannot fall off, the lamp tube 6 in a power-off state can be easily taken down, and the whole assembly and disassembly are relatively light;

because the lamp tube 6 is supported by the magnetic force and is in the upward suspension state and at the limit position of the magnetic distance when in use, when the lamp tube 6 is interfered by external contact, the lamp tube 6 can easily move downwards to avoid, thereby avoiding the lamp tube 6 from being accidentally collided excessively, and effectively protecting the lamp tube 6 per se, when the lamp tube 6 is used for a long time and is taken in the upright post 1, the temperature of the lamp tube 6 per se can be higher, and the service life of the lamp tube 6 can be influenced by the directly closed taken in upright post 1, therefore, when the lamp tube 6 is taken in under the state of higher temperature, the concentrated internal heat can make the telescopic strip 16 reach the temperature, thereby making the telescopic strip 16 contract, further making the baffle plate 14 return to the sliding groove 12, opening the upper part of the upright post 1, improving the heat discharge efficiency, avoiding the damage of the lamp tube 6 caused by the internal closed state, and the telescopic rod 13, consequently change board 15 and will deflect and give way, guarantee that the action can effectively be accomplished, when 6 low temperatures of fluorescent tube normally receive, telescopic link 13 just can extend when the outage, and fluorescent tube 6 did not get into in stand 1 completely at this moment, consequently baffle 14 will take place the extrusion with fluorescent tube 6, at this moment, will act on the commentaries on classics board 15 of the other end under the extension effect of telescopic link 13, make and change board 15 and rotate and give way, avoid the internal stress that telescopic link 13 extends to excessively act on fluorescent tube 6 and cause the damage, effectively protect fluorescent tube 6, and fluorescent tube 6 resets the back, it drives telescopic strip 16 and resets to change board 15 and can reset.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a shrink protection type does not have cover desk lamp, includes stand (1), its characterized in that, the interior bottom of stand (1) is fixed with down magnet (2), the inner wall sealing sliding connection of stand (1) has buffer block (3), the upper end of buffer block (3) is fixed with magnet (4), the upper end of going up magnet (4) is fixed with connects electricity box (5), the upper end that connects electricity box (5) is connected with fluorescent tube (6) through connecing the electricity mechanism, two spout (12), two have been seted up to the upper portion inner wall symmetry of stand (1) the inside of spout (12) all is equipped with shields the mechanism.

2. The shrink protection type coverless desk lamp according to claim 1, wherein the electricity connecting mechanism comprises an electricity connecting post (7) fixed at the bottom of the lamp tube (6), two symmetrically arranged electricity connecting heads (8) are fixed on the side wall of the electricity connecting post (7), and two symmetrically arranged electricity connecting capsules (9) are fixed on the inner wall of the electricity connecting box (5).

3. The shrink protection type coverless desk lamp according to claim 2, wherein the electric connecting capsules (9) are made of elastic conductive films, electrorheological fluid is filled in the electric connecting capsules (9), and the two electric connecting capsules (9) respectively wrap the two electric connecting terminals (8).

4. The retractable protection type coverless desk lamp of claim 1, wherein the shielding mechanism comprises a baffle (14) slidably connected with the inner wall of the chute (12), a telescopic rod (13) is fixed on the side wall of the baffle (14), and a rotating plate (15) abutting against the telescopic rod (13) is rotatably connected with the outer wall of the upright post (1) through a torsion spring.

5. The retractable protective type coverless desk lamp of claim 4, wherein the baffle (14) and the inner wall of the sliding groove (12) are jointly fixed with a telescopic bar (16), the telescopic bar (13) is made of magnetostrictive material, and the telescopic bar (16) is made of memory metal.