CN214705326U

CN214705326U - Height-adjustable public display board

Info

Publication number: CN214705326U
Application number: CN202120122618.0U
Authority: CN
Inventors: 马云
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-11-12
Anticipated expiration: 2031-01-18

Abstract

The utility model relates to an exhibition board technical field specifically is a public service exhibition board with adjustable height, including unable adjustment base, unable adjustment base top intermediate position department is connected with two sets of bracing pieces, the inside first spout that is provided with in bracing piece top, unable adjustment base top one side fixedly connected with dead lever, the bracing piece top is provided with the exhibition board main part, the inside second hole groove that is provided with in exhibition board main part one side, the inside thread groove that is provided with in second hole groove one side is kept away from to the exhibition board main part, the first bearing of all fixedly connected with in thread groove bottom both sides, exhibition board main part surface outside is provided with transparent dust guard the inside threaded rod that is provided with of thread groove. The utility model discloses a rotate the rocker and make first bevel gear rotatory with second bevel gear to make the exhibition board main part go up and down under first bearing and effect, elasticity through the spring makes the inserted bar lock tightly on transparent dustproof plate surface, realizes the protection to the exhibition board main part.

Description

Height-adjustable public display board

Technical Field

The utility model relates to an exhibition board technical field specifically is a public affairs exhibition board with adjustable height.

Background

The exhibition board is the platy medium that is used for publishing, uses when the show information, there are paper, new material, metal material etc., the picture of exhibition board is the gum material, can be according to the luminance of using the scene and individual hobby select inferior light membrane or bright membrane, along with the needs of the public transparence and the propaganda of some office unit information, the use of exhibition board becomes comparatively general, so current exhibition board has obtained continuous innovation and development, consequently can know that present height-adjustable's public show board basically satisfies people's demand, but still has some problems.

The first problem is that: the existing exhibition board is usually fixed on a wall directly through bolts, and different exhibition contents need to be replaced frequently due to exhibition requirements, so that the exhibition board needs to be disassembled and reinstalled periodically and manually, manpower is wasted, the height cannot be adjusted, the use requirements of different rising crowds cannot be met, and the portability and the practicability of the device are reduced;

the second problem is that: present exhibition board does not possess dustproof mechanism usually, can make the exhibition board directly expose in the air usually when the show, and easy deposition and wet influence the life of device, have reduced the practicality of device.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical problem, an object of the utility model is to provide a height-adjustable's public show board to solve the traditional show board direct fixation who proposes in the above-mentioned background art and on the wall, lead to the dismouting inconvenient and can not height-adjusting, and do not possess the problem of dustproof mechanism.

In order to achieve the above object, the utility model provides a following technical scheme: a height-adjustable public display board comprises a fixed base, wherein two groups of supporting rods are connected at the middle position of the top end of the fixed base, a first sliding groove is formed in the top end of each supporting rod, a fixed rod is fixedly connected to one side of the top end of the fixed base, a display board main body is arranged at the top end of each supporting rod, a second hole groove is formed in one side of the display board main body, a thread groove is formed in one side, away from the second hole groove, of the display board main body, a first bearing is fixedly connected to both sides of the bottom end of the thread groove, a transparent dustproof plate is arranged on the outer portion of the surface of the display board main body, a threaded rod is arranged in the thread groove, a rotating shaft is sleeved in the first sliding groove, a rotating disc is fixedly connected to one side, close to the threaded rod, of the rotating shaft, a rocker is arranged on one side, away from the threaded rod, a first conical gear is fixedly connected to one side, close to the threaded rod, of the rotating shaft, the surface of the middle position of the threaded rod is fixedly connected with a second bevel gear, and the surface of one end of the transparent dustproof plate is provided with an inserted rod.

Preferably, the fixedly connected with stationary blade of inserted bar top intermediate position department, the outside of inserted bar intermediate position department is provided with the fixed block, transparent dust guard one side fixedly connected with telescopic link is kept away from to the stationary blade, the telescopic link surface is provided with the spring, the telescopic link is kept away from stationary blade one side and is provided with the sleeve.

Preferably, the surface of the rocker is glued with a non-slip strip, and the non-slip strip is made of rubber material.

Preferably, the first bevel gear and the second bevel gear are connected in a meshing manner.

Preferably, both sides of the bottom end of the threaded rod are fixedly connected with two groups of the threaded rod and are arranged in an axisymmetric manner.

Preferably, the fixed block is far away from transparent dust guard one side fixedly connected with pull ring, and the pull ring sets up to semicircle form.

Preferably, one end of the spring is fixedly connected to the surface of the fixing piece, and the other end of the spring is fixedly connected to the surface of the sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the height-adjustable public display board is provided with a threaded rod, a rotating shaft, a rotating disc, a rocker, a first bevel gear and a second bevel gear, through the design, the lifting of the device can be realized, the use requirements of different lifting crowds are met, the rocker is rotated to enable the first bevel gear and the second bevel gear to rotate, so that the display board main body is lifted under the action of a first bearing, and the practicability of the device is improved;

2. this public affairs show board with adjustable height is provided with transparent dust guard, inserted bar, pull ring, stationary blade, fixed block, telescopic link, spring and sleeve, through above-mentioned design, can provide the dustproof mechanism of a protection for the device, avoids the show board main part directly to expose in the air and impaired, makes the inserted bar lock tight at transparent dust guard surface through the elasticity of spring, realizes the protection to the show board main part, has improved the protectiveness of device.

Drawings

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

fig. 2 is a schematic front view of a partial structure of the exhibition board main body and the transparent dust-proof plate;

FIG. 3 is a schematic front sectional view of a local structure of the fixing block of the present invention;

fig. 4 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;

fig. 5 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.

In the figure: 110. a fixed base; 111. a first hole groove; 120. a support bar; 121. a first chute; 130. fixing the rod; 131. a second hole groove; 140. a display board main body; 141. a thread groove; 142. a first bearing; 150. a transparent dust guard; 210. a threaded rod; 220. a rotating shaft; 230. a turntable; 240. a rocker; 241. anti-slip strips; 250. a first bevel gear; 260. a second bevel gear; 310. inserting a rod; 311. a pull ring; 312. a fixing sheet; 320. a fixed block; 330. a telescopic rod; 331. a spring; 340. a sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a height-adjustable public display board comprises a fixed base 110, two groups of supporting rods 120 are connected at the middle position of the top end of the fixed base 110, a first sliding groove 121 is formed in the top end of each supporting rod 120, a fixed rod 130 is fixedly connected to one side of the top end of the fixed base 110, a display board main body 140 is arranged at the top end of each supporting rod 120, a second hole groove 131 is formed in one side of the display board main body 140, a thread groove 141 is formed in one side, away from the second hole groove 131, of the display board main body 140, a first bearing 142 is fixedly connected to both sides of the bottom end of the thread groove 141, a threaded rod 210 is arranged in the thread groove 141 of a transparent dustproof board 150 arranged on the surface of the display board main body 140, a rotating shaft 220 is sleeved in the first sliding groove 121, a rotating disc 230 is fixedly connected to one side, close to the threaded rod 210, of the rotating disc 230 is provided with a rocker 240, a first conical gear 250 is fixedly connected to one side, close to the threaded rod 210, of the rotating shaft 220, threaded rod 210 intermediate position department fixed surface is connected with second bevel gear 260, and transparent dust guard 150 terminal surface is provided with inserted bar 310, through this design, can realize the lift to exhibition board main part 140 to satisfy different rising crowds' user demand, improved the practicality of device.

A fixing plate 312 is fixedly connected to the middle position of the top end of the insertion rod 310, a fixing block 320 is arranged outside the middle position of the insertion rod 310, an expansion rod 330 is fixedly connected to one side, away from the transparent dust-proof plate 150, of the fixing plate 312, a spring 331 is arranged on the surface of the expansion rod 330, and a sleeve 340 is arranged on one side, away from the fixing plate 312, of the expansion rod 330.

The surface glue of rocker 240 has antislip strip 241, and antislip strip 241 is made by rubber materials, through this design, can increase its and palm friction when rotating rocker 240, prevents to influence other operations because of the slew velocity is inhomogeneous, has improved the practicality of device.

The first bevel gear 250 and the second bevel gear 260 are connected in a meshing mode, and through the design, the whole adjusting mechanism can be driven to operate together when the rocker 240 is rotated, so that the lifting of the display board main body 140 is realized, and the linkage and the practicability of the device are improved.

Threaded rod 210 bottom both sides all fixedly connected with second bearing 211, and second bearing 211 is provided with two sets ofly, is the axial symmetry and arranges, through this design, when threaded rod 210 rotated, can realize that exhibition board main part 140 reciprocates, has improved the convenience of device.

Fixed block 320 is kept away from transparent dust guard 150 one side fixedly connected with pull ring 311, and pull ring 311 sets to half circular, through this design, conveniently adjusts inserted bar 310 position to the realization is to the dustproof effect of protection of exhibition board main part 140, has improved the protectiveness of device.

Spring 331 one end fixed connection is on stationary blade 312 surface, and spring 331 other end fixed connection is on sleeve 340 surface, through this design, when inserted bar 310 is not atress, can resume the original place under spring 331 elastic force effect, be in the surface of transparent dust guard 150 promptly, realizes the operation of locking transparent dust guard 150, has improved the practicality of device.

The working principle is as follows: when the device needs to be lifted, the rocker 240 is rotated clockwise, so that the rotating shaft 220 rotates, the first bevel gear 250 is driven to rotate, the second bevel gear 260 starts to rotate under the meshing connection effect, and under the cooperation of the second bearing 211 and the first bearing 142, the threaded rod 210 rotates, so that the display board main body 140 is lifted under the rotation of the threaded rod 210, and the lifting operation of the device is realized;

when the exhibition board main body 140 needs to be protected and dustproof, the pull ring 311 is pulled to one side far away from the exhibition board main body 140, until the inserted link 310 is close to one side of the exhibition board main body 140 and is completely separated from the surface of the exhibition board main body 140, at the moment, the telescopic link 330 and the spring 331 are both in a compressed state, the transparent dustproof board 150 is placed in and is closely attached to the surface position of the exhibition board main body 140, then the pull ring 311 is loosened, under the elastic action of the telescopic link 330 and the spring 331, the inserted link 310 is moved to one side close to the exhibition board main body 140 until being restored to the original position, namely, the inserted link 310 is close to one side of the transparent dustproof board 150 and is located on the surface of the transparent dustproof board 150, the clamping of the transparent dustproof board 150 is realized, thereby the protection and the dustproof of the exhibition board main body 140 are realized, and the operation is finished.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An adjustable height bulletin board, comprising a fixed base (110), characterized in that: the fixed base (110) is connected with two sets of supporting rods (120) at the middle position of the top end, a first sliding groove (121) is arranged inside the top end of each supporting rod (120), a fixed rod (130) is fixedly connected to one side of the top end of the fixed base (110), a display board main body (140) is arranged at the top end of each supporting rod (120), a second hole groove (131) is arranged inside one side of the display board main body (140), a thread groove (141) is arranged inside one side, away from the second hole groove (131), of the display board main body (140), first bearings (142) are fixedly connected to both sides of the bottom end of the thread groove (141), a transparent dustproof plate (150) is arranged outside the surface of the display board main body (140), a threaded rod (210) is arranged inside the thread groove (141), a rotating shaft (220) is sleeved inside the first sliding groove (121), and the rotating shaft (220) is close to a rotary table (230) fixedly connected to one side of the threaded rod (210), the turntable (230) is provided with a rocker (240) on one side far away from the threaded rod (210), the surface of the rotating shaft (220) on one side close to the threaded rod (210) is fixedly connected with a first bevel gear (250), the surface of the middle position of the threaded rod (210) is fixedly connected with a second bevel gear (260), and the surface of one end of the transparent dust-proof plate (150) is provided with an inserting rod (310).

2. A height adjustable bulletin board as set forth in claim 1 wherein: fixed connection stationary blade (312) of inserted bar (310) top intermediate position department, the outside of inserted bar (310) intermediate position department is provided with fixed block (320), transparent dust guard (150) one side fixedly connected with telescopic link (330) is kept away from to fixed blade (312), telescopic link (330) surface is provided with spring (331), fixed blade (312) one side is kept away from in telescopic link (330) is provided with sleeve (340).

3. A height adjustable bulletin board as set forth in claim 1 wherein: the surface of the rocker (240) is glued with a non-slip strip (241), and the non-slip strip (241) is made of rubber material.

4. A height adjustable bulletin board as set forth in claim 1 wherein: the first bevel gear (250) and the second bevel gear (260) are connected in a meshing manner.

5. A height adjustable bulletin board as set forth in claim 1 wherein: threaded rod (210) bottom both sides all fixedly connected with second bearing (211), and second bearing (211) are provided with two sets ofly, are the axisymmetric range.

6. A height adjustable bulletin board as set forth in claim 2 wherein: the fixing block (320) is far away from one side of the transparent dustproof plate (150) and is fixedly connected with a pull ring (311), and the pull ring (311) is arranged to be semicircular.

7. A height adjustable bulletin board as set forth in claim 2 wherein: one end of the spring (331) is fixedly connected to the surface of the fixing plate (312), and the other end of the spring (331) is fixedly connected to the surface of the sleeve (340).