CN210687859U

CN210687859U - Negative pressure fixed folding table lamp

Info

Publication number: CN210687859U
Application number: CN201920356696.XU
Authority: CN
Inventors: 胡枝清
Original assignee: CHANGTAI MINGLONG LAMP DECORATION SALES DEPARTMENT
Current assignee: CHANGTAI MINGLONG LAMP DECORATION SALES DEPARTMENT
Priority date: 2019-03-20
Filing date: 2019-03-20
Publication date: 2020-06-05
Anticipated expiration: 2029-03-20

Abstract

The utility model relates to the field of desk lamps, in particular to a negative pressure fixed folding desk lamp, which comprises a lighting lampshade, a connector, a connecting arm, a movable arm, an installation block, a switch button and a base, wherein the lighting lampshade and the base are connected through the connector, the connecting arm, the movable arm and the installation block, and the connecting arm, the movable arm and the installation block can be rotated and folded, the utility model has the advantages that through the air guide function of the connected air duct, an air bag and an exhaust pipe, the air in the cavity of a sucker and a desktop enters an upper air cavity of an air storage groove, the pressure of the sucker and the air in the cavity of the desktop is increased, the pressure of the sucker and the air is pushed downwards to push a piston block, the redundant air is discharged from a guide hole, the negative pressure is formed between the sucker and the desktop to improve the stability and is not easy, make sucking disc negative pressure actuation state disappear, removal that can relax the utility model discloses.

Description

Negative pressure fixed folding table lamp

Technical Field

The utility model relates to a desk lamp field especially indicates a folding desk lamp is fixed to negative pressure.

Background

Along with the improvement of people's standard of living, the house life is more and more exquisite, uses folding desk lamp to read the illumination on the table more, and current conventional art considers not comprehensively, has following drawback:

when the desktop article are too many, the desk lamp can not be arranged near and can only be stored in the edge zone, the desk lamp has to be stretched out to read and illuminate when needed to illuminate, and the lampshade part of the desk lamp is stretched out by the rotation of the connecting arm, so that the gravity center of the desk lamp is seriously deviated towards the lampshade direction, and the desk lamp is easily inclined when the desktop slightly shakes, thereby causing the damage of the desk lamp.

Disclosure of Invention

The utility model provides a folding desk lamp is fixed to negative pressure to overcome prior art and after stretching out the rotatory drawing of linking arm to desk lamp shade part, make the focus of desk lamp take place serious skew, thereby make slight rocking also lead to the desk lamp to take place the slope easily, cause the problem of damage.

The utility model adopts the following technical scheme: a negative pressure fixed folding desk lamp comprises a lighting lampshade, a connector, a connecting arm, a movable arm, an installation block, a switch button and a base, wherein the lighting lampshade is connected with the base through the connector, the connecting arm, the movable arm and the installation block can be rotated and folded, the switch button is embedded and installed at the outer side of the base, the utility model also comprises a fixing device and a pressure relief device which are assembled inside the base, the fixing device comprises a sucker, a through hole, an air duct, an air bag, an exhaust pipe, an air storage groove, a baffle, a piston block, a pressure relief spring, a fixing plate, a guide hole and a limiting support rod, at least two or more suckers are arranged, air ducts with the number corresponding to that of the suckers are arranged above the suckers, the air ducts are communicated with the suckers through the through holes, and the, the air bag is communicated with the air storage groove through two or more than two exhaust pipes, a piston block is arranged below the baffle, the size of the piston block is larger than the aperture on the baffle, the piston block supports the aperture on the baffle by utilizing the elasticity of a pressure relief spring, the air storage groove is divided into an upper air cavity and a lower air cavity by the baffle and the piston block, the pressure relief spring is arranged on the upper surface of a fixed plate in an adhesion mode, three guide holes penetrate through the fixed plate, the air bag is of a circular ring structure, the air bag is arranged on two or more than two limiting support rods, the upper surface and the lower surface of the air bag are fixed by utilizing snap rings on the surfaces of the limiting support rods, the pressure relief device comprises a pressure relief button, a push rod, a limiting plate and a reset spring, the push rod is arranged on the bottom surface of the pressure relief button and connected with the air storage groove in, and the ejector pin runs through reset spring and limiting plate, gets into the gas storage inslot and reachs the piston piece top, has certain clearance, the limiting plate is located the top of gasbag, and installs on four spacing bracing pieces through nested adhesive mode symmetry, utilizes the last snap ring on spacing bracing piece surface to carry on spacingly.

As a further improvement, four cushion blocks are arranged and are arranged on the bottom surface of the base.

As a further improvement, the limiting support rods, the air guide tubes and the exhaust pipes are all provided with four.

As a further improvement, the number of the suckers is four, and the suckers are symmetrically distributed on the bottom surface of the base.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages: through the air guide effect of the air duct, gasbag and the blast pipe that are connected, the unnecessary gas that produces between sucking disc and the desktop gets into and holds the gas cavity on the groove, makes its pressure increase push up the piston piece downwards to make unnecessary gas discharge by the guide hole, make and form the negative pressure between sucking disc and the desktop and improve stability, be difficult for empting, prevent the utility model discloses a damage, when needs remove the utility model discloses a press the pressure release button, make ejector pin downstream promote the piston piece, make the outside air pass through the part of air guide function and reach the sucking disc, make sucking disc negative pressure actuation state disappear, removal that can relax the utility model discloses a pressure release button is pressed down to the time.

Drawings

Fig. 1 is the utility model relates to a folding desk lamp structure sketch map is fixed to negative pressure.

Fig. 2 is a schematic view of a base structure of the present invention.

Fig. 3 is a partially enlarged view of a in fig. 2.

Fig. 4 is a schematic view of the air bag and the spacing support rod according to the present invention.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1 to 4, a folding desk lamp is fixed to negative pressure, including illumination lamp shade 11, connector 12, linking arm 13, digging arm 14, installation piece 15, shift knob 16 and base 17, be connected through connector 12, linking arm 13, digging arm 14 and installation piece 15 between illumination lamp shade 11 and the base 17, and linking arm 13 and digging arm 14, digging arm 14 all can rotate foldingly with installation piece 15, shift knob 16 embedding is installed in the outside of base 17.

The utility model also comprises a fixing device 2 and a pressure relief device 3 which are assembled inside the base 17, wherein the fixing device 2 comprises a suction cup 21, a through hole 22, an air duct 23, an air bag 24, an exhaust pipe 25, an air storage groove 26, a baffle 27, a piston block 28, a pressure relief spring 29, a fixing plate 210, a guide hole 211 and a limit support rod 212, four air ducts 23 corresponding to the suction cup 21 are arranged above the four suction cups 21, the air ducts 23 are communicated with the suction cup 21 through the through holes 22, the air duct 23 is embedded and installed on the outer surface of the air bag 24, the air bag 24 is communicated and hermetically connected with the air storage groove 26 through the four exhaust pipes 25, the suction cup 21, the air duct 23 and the exhaust pipe 25 are preferably made of the existing synthetic gum material, and have the characteristics of difficult aging, good air tightness and the like, the suction cup 21 and the air bag 24 are connected, the gas circulation exchange can be better carried out. The piston block 28 is arranged below the baffle plate 27, the size of the piston block 28 is larger than the aperture on the baffle plate 27, the piston block 28 supports the aperture on the baffle plate 27 from bottom to top by utilizing the elasticity of the pressure relief spring 29, the air storage groove 26 is divided into an upper air cavity and a lower air cavity by the baffle plate 27 and the piston block 28, the pressure relief spring 29 is arranged on the upper surface of the fixing plate 210 in a bonding mode, three guide holes 211 penetrate through the fixing plate 210, the piston block 28 is made into a hollow shape by adopting light synthetic rubber and has the characteristic of light volume, the pressure relief spring 29 is preferably the prior spring steel and has good deformation performance, the pressure relief spring 29 can better push the piston block 28 upwards under the condition of no action, so that the piston block 28 supports the aperture on the baffle plate 27, the good air tightness between the upper air cavity and the lower air cavity of the air storage groove 26 is kept, and after the utility model is placed on a desktop, the base 17 is slightly pressed hard, so that the air in the cavities formed between the four suckers 21 and the table top enters the air bag 24 through the through holes 22 and the air guide pipes 23, and then is discharged into the upper air cavity of the air storage groove 26 through the exhaust pipe 25, because the air volume in the upper air cavity of the air storage groove 26 is increased, the air pressure is increased, the piston block 28 is pushed to move downwards to compress the pressure relief spring 29, so that the upper air cavity and the lower air cavity of the air storage groove 26 are communicated, the redundant air is discharged to the outside from the guide hole 211 on the fixing plate 210 of the lower air cavity of the air storage groove 26, so that the suckers 21 and the table top form negative pressure, and the suckers 21. The air bag 24 is of a circular ring structure, the air bag 24 is installed on the four limiting support rods 212, the upper surface and the lower surface of the air bag 24 are fixed by the aid of the snap rings on the surfaces of the limiting support rods 212, stability of the air bag 24 can be guaranteed, and the air bag 24 is prevented from being displaced due to air pressure change.

The pressure relief device comprises a pressure relief key 31, a mandril 32, a limit plate 33 and a reset spring 34, the mandril 32 is installed on the bottom surface of the pressure relief key 31 and is connected with the pressure relief key through a welding mode, the reset spring 34 is arranged above the limit plate 33, the mandril 32 penetrates through the reset spring 34 and the limit plate 33, enters the air storage groove 26 and reaches the top of the piston block 28 and has a certain distance with the top end of the piston block 28, the limit plate 33 is positioned above the air bag 24 and is symmetrically installed on four limit support rods 212 through a nested bonding mode, the upper snap ring on the surface of each limit support rod 212 is utilized for limiting, when the pressure relief key 31 is required to be lifted, the pressure relief key 31 is compressed by the reset spring 34, the pressure relief key 31 drives the mandril 32 to move downwards along a through hole on the limit plate 33 to push the piston block 28, the air storage groove 26 is communicated, Hold gas tank 26, blast pipe 25, gasbag 24, air duct 23 and through-hole 22 and arrive at sucking disc 21, make sucking disc 21 negative pressure actuation state disappear, what can relax lifts up the utility model discloses. Be equipped with four cushion 35 and all install in the bottom surface of base 17, cushion 35 adopts synthetic rubber to make, not only increasees the utility model discloses with the frictional force of desktop, improve stability, and can prevent that the through-hole 22 in the sucking disc 21 is blockked up by the desktop after sucking disc 21 complete actuation to the desktop, lead to the problem that the unable realization of pressure release step.

The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.

Claims

1. The utility model provides a fixed folding desk lamp of negative pressure, is including illumination lamp shade, connector, linking arm, digging arm, installation piece, shift knob and base, be connected through connector, linking arm, digging arm and installation piece between illumination lamp shade and the base, and linking arm and digging arm, digging arm all can rotate foldingly with the installation piece, the shift knob embedding is installed in the outside of base, its characterized in that:

the air bag air storage device is characterized by further comprising a fixing device and a pressure relief device which are assembled inside the base, wherein the fixing device comprises suckers, through holes, air guide tubes, an air bag, exhaust pipes, an air storage groove, a baffle, a piston block, a pressure relief spring, a fixing plate, guide holes and a limiting support rod, the base is at least provided with two or more suckers, the number of the air guide tubes corresponding to the suckers is arranged above the suckers, the air guide tubes are communicated with the suckers through the through holes, the air guide tubes are embedded in the outer surface of the air bag, the air bag is communicated and connected with the air storage groove through the two or more exhaust pipes, the piston block is arranged below the baffle, the size of the piston block is larger than the aperture of the baffle, the piston block abuts against the aperture of the baffle by means of the elastic force of the pressure relief spring, the air storage groove is divided into an upper air cavity and a lower, run through on the fixed plate and have three guide hole, the gasbag is the ring structure, and the gasbag is installed on two or more than two spacing bracing pieces, recycles the snap ring on spacing bracing piece surface and fixes two sides about to the gasbag:

pressure relief device includes pressure release button, ejector pin, limiting plate and reset spring, the ejector pin is installed and is connected through the welded mode to the bottom surface of pressure release button, reset spring locates the top of limiting plate, and the ejector pin runs through reset spring and limiting plate, gets into the piston piece top of reacing in the gas storage tank, has certain clearance, the limiting plate is located the top of gasbag, and installs on two or more spacing bracing pieces through nested adhesive mode symmetry, utilizes the last snap ring on spacing bracing piece surface to carry on spacingly.

2. The negative pressure fixed folding desk lamp of claim 1, characterized in that: the bottom surface of base is equipped with four cushion.

3. The negative pressure fixed folding desk lamp of claim 1, characterized in that: four limiting support rods, four air guide pipes and four exhaust pipes are arranged.

4. The negative pressure fixed folding desk lamp of claim 1, characterized in that: the sucking discs are four and symmetrically distributed on the bottom surface of the base.