CN220796139U

CN220796139U - Folding demonstration board

Info

Publication number: CN220796139U
Application number: CN202322215632.7U
Authority: CN
Inventors: 孙雪媛; 凤宝林
Original assignee: Guangdong Jiangmen Preschool Teachers College
Current assignee: Guangdong Jiangmen Preschool Teachers College
Priority date: 2023-08-16
Filing date: 2023-08-16
Publication date: 2024-04-16
Anticipated expiration: 2033-08-16

Abstract

The utility model relates to the technical field of display equipment, in particular to a folding demonstration board, which comprises: at least two panels, locking mechanism, haulage rope and spacing subassembly, at least two panels are located the coplanar, the bottom surface parallel arrangement of every panel has two locking mechanisms, locking mechanism can carry out the locking with adjacent panel and keep the coplanar, locking mechanism is run through at the both ends of haulage rope, through zip-fastener haulage rope control locking mechanism, spacing subassembly is installed on the haulage rope to adjust the traction state of haulage rope, with whole board-like portability is relatively poor among the solution prior art, can't carry according to the demand, folding demonstration board is comparatively loaded down with trivial details problem of operation when expanding and accomodating.

Description

Folding demonstration board

Technical Field

The utility model relates to the technical field of display equipment, in particular to a folding demonstration board.

Background

The current demonstration board has whole platelike structure and folding type, and whole platelike structure's demonstration board is bulky, and the portability is relatively poor, is inconvenient for carrying according to the demand, and present folding type demonstration board when needs to expand and accomodate the demonstration board, and the operation is comparatively complicated.

Disclosure of Invention

The utility model aims to provide a folding demonstration board which solves the problems that in the prior art, the portability of an integral board type is poor, the board cannot be carried according to requirements, and the folding demonstration board is complicated to operate when being unfolded and stored.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a folding demonstration board comprising: the novel display device comprises at least two display boards, a locking mechanism, a traction rope and a limiting assembly, wherein the at least two display boards are located on the same plane, two locking mechanisms are arranged on the bottom surface of each display board in parallel, the locking mechanisms can lock and keep the adjacent display boards on the same plane, the two ends of the traction rope penetrate through the locking mechanisms, the locking mechanisms are controlled through the zipper traction rope, and the limiting assembly is arranged on the traction rope to adjust the traction state of the traction rope.

Preferably, the display board is of a rectangular plate-shaped structure, and the bottom surface of the display board is provided with a cavity, and the cavity is an installation area of the locking mechanism.

Preferably, the locking mechanism includes: the novel lock comprises a first locking pipe section, two second locking pipe sections, a lock cylinder, a limiting plate and two springs, wherein the two second locking pipe sections are symmetrically arranged at two ends of the first locking pipe section respectively, the lock cylinder is arranged in an inner cavity of the first locking pipe section and the second locking pipe section in a sliding mode, the limiting plate is arranged at the middle position of the annular outer wall of the lock cylinder, the two springs are sleeved on the outer wall of the lock cylinder respectively and located at two sides of the limiting plate, through holes are formed in the lock cylinder along the axis direction, and the traction rope is arranged in the through holes.

Preferably, the diameter of the second section of the locking pipe is smaller than that of the first section of the locking pipe, the variable diameters of the second section of the locking pipe and the first section of the locking pipe are used for limiting the displacement range of the limiting plate, and meanwhile the spring is limited between the limiting plate and the second section of the locking pipe.

Preferably, a screw hole is formed in the outer wall of the lock cylinder, the screw hole extends into the through hole, and a first jackscrew is screwed into the screw hole so as to limit the relative position between the traction rope and the lock cylinder.

Preferably, the length of the lock cylinder is smaller than the total length of the two second sections of the locking tube and the first section of the locking tube.

Preferably, the limiting assembly includes: the limiting bottom block is sleeved at the end part of the traction rope, the second jackscrew is radially screwed on the outer wall of the limiting bottom block along the limiting bottom block, the second jackscrew is abutted to the outer wall of the traction rope, the limiting ring is sleeved on the outer wall of the traction rope, the traction rope penetrates through the limiting rod along the radial direction of the limiting rod, and the sum of the diameter of the limiting rod and the diameter of the traction rope is larger than the inner diameter of the limiting ring.

Preferably, both ends of the lock cylinder are subjected to chamfering treatment.

Compared with the prior art, the utility model has the beneficial effects that: this folding demonstration board when using, only need the operator to hold the panel, taut haulage rope, the expansion that the demonstration board can be demonstrated to panel lateral wall is laminated to the slip gag lever post, easy operation, and can increase or reduce the quantity of panel as required to change the area size of demonstration board, improved the suitability when having improved the portability, easy operation when the demonstration board is expanded and is accomodate moreover.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a locking mechanism according to the present utility model;

fig. 3 is a schematic view of a limiting assembly according to the present utility model.

In the figure: 1. the display board, 21, the first section of the locking pipe, 22, the second section of the locking pipe, 23, the lock cylinder, 231, the screw hole, 232, the through hole, 233, the first jackscrew, 24, the limiting plate, 25, the spring, 3, the hauling rope, 41, the limiting bottom block, 42, the second jackscrew, 43, the limiting ring, 44 and the limiting rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution of a folding demonstration board, and a detailed connection means thereof, which are known in the art, and mainly describe the working principle and the procedure as follows.

A folding demonstration board comprising: the display device comprises at least two display boards 1, locking mechanisms, a traction rope 3 and a limiting assembly, wherein the at least two display boards 1 are located on the same plane, two locking mechanisms are arranged on the bottom surface of each display board 1 in parallel, the locking mechanisms can lock adjacent display boards 1 to keep the same plane, the two ends of the traction rope 3 penetrate through the locking mechanisms, the locking mechanisms are controlled through the zipper traction rope 3, and the limiting assembly is arranged on the traction rope 3 so as to adjust the traction state of the traction rope 3;

the quantity of panel 1 can be suitable increase or reduce according to the in service behavior to reach the usable floor area of increase or reduction demonstration board, locking mechanism aim at avoids two adjacent panel 1 to take place to buckle, thereby make two at least panels 1 be in on the coplanar all the time, through the tensile to haulage rope 3, change the state of locking mechanism, thereby realize fixed effect between two adjacent panels 1, spacing subassembly changes the state of tensile haulage rope 3, and fix spacingly to the head and the tail end of haulage rope 3, thereby fix the relative position between haulage rope 3 and the panel 1.

The display board 1 is of a rectangular plate-shaped structure, the bottom surface of the display board 1 is provided with a cavity, and the cavity is an installation area of the locking mechanism;

the lateral wall of panel 1 has seted up and has locked the hole with locking mechanism correspondence, can suitably increase the quantity of locking mechanism according to the length of panel 1 to guarantee the stability of two adjacent panels 1, when exerting circumstances such as pressure to panel 1, the plane that a plurality of panels 1 formed still keeps stable.

The locking mechanism includes: the locking pipe comprises a first locking pipe section 21, two second locking pipe sections 22, a lock cylinder 23, limiting plates 24 and two springs 25, wherein the two second locking pipe sections 22 are symmetrically arranged at two ends of the first locking pipe section 21 respectively, the lock cylinder 23 is slidably arranged in inner cavities of the first locking pipe section 21 and the second locking pipe section 22, the limiting plates 24 are arranged in the middle position of the annular outer wall of the lock cylinder 23, the two springs 25 are sleeved on the outer wall of the lock cylinder 23 respectively and are positioned at two sides of the limiting plates 24, through holes 232 are formed in the lock cylinder 23 along the axial direction, and the hauling rope 3 is arranged in the through holes 232;

the two locking tube second sections 22 and the locking tube first sections 21 are divided into two halves on average along the horizontal plane of the axes of the two locking tube second sections 22 and the locking tube first sections 21 to form two groups of half tubular structures, the two groups of half tubular structures are fixed through bolts, the limiting plates 24 slide in the locking tube first sections 21 along the axes of the two locking tube first sections 21, when no external force is applied, the limiting plates 24 are positioned at the middle positions of the locking tube first sections 21 under the elastic force of the two springs 25, at the moment, the locking is synchronous at the middle positions of the locking tube first sections 21 and the two locking tube second sections 22, opposite ends of the two springs 25 are abutted to two sides of the limiting plates 24, the opposite ends of the two springs 25 are abutted to the reducing connection parts of the two locking tube second sections 22 and the locking tube first sections 21, when a plurality of display plates 1 are stacked in a Z shape, the adjacent two display plates 1 are stretched, at the moment, the length of the pulling lock cylinder 23 is satisfied, and the ends of the lock cylinder 23 are not exposed to the outside of the display plates 1.

The diameter of the second locking pipe section 22 is smaller than that of the first locking pipe section 21, the displacement range of the limiting plate 24 is limited by utilizing the diameters of the second locking pipe section 22 and the first locking pipe section 21, and the spring 25 is limited between the limiting plate 24 and the second locking pipe section 22;

and simultaneously, the movable distance of the limiting plate 24 is limited by utilizing the reducing position between the limiting plate and the limiting plate, and the movable distance of the lock cylinder 23 is limited.

The outer wall of the lock cylinder 23 is provided with a screw hole 231, the screw hole 231 extends into the through hole 232, and a first jackscrew 233 is screwed in the screw hole 231 so as to limit the relative position between the traction rope 3 and the lock cylinder 23;

when the hauling rope 3 passes through the through hole 232 on the lock core 23, the hauling rope 3 and the lock core are in a freely movable state, after the display board 1 is moved to be clung to the adjacent display board 1, the first jackscrew 233 can be screwed, so that the jackscrew fixes the relative positions of the hauling rope 3 and the lock core 23, and the number of the display boards 1 is conveniently increased and reduced according to the use condition.

The length of the lock cylinder 23 is smaller than the total length of the two locking tube second sections 22 and the locking tube first section 21.

The spacing subassembly includes: the limiting bottom block 41, the second jackscrew 42, the limiting ring 43 and the limiting rod 44, wherein the limiting bottom block 41 is sleeved at the end part of the traction rope 3, the second jackscrew 42 is radially screwed on the outer wall of the limiting bottom block 41 along the limiting bottom block 41, the second jackscrew 42 is abutted on the outer wall of the traction rope 3, the limiting ring 43 is sleeved on the outer wall of the traction rope 3, the traction rope 3 penetrates through the limiting rod 44 along the radial direction of the limiting rod 44, and the sum of the diameter of the limiting rod 44 and the diameter of the traction rope 3 is larger than the inner diameter of the limiting ring 43;

the limiting bottom block 41, the limiting ring 43 and the limiting rod 44 are respectively positioned at two sides of the display board 1, the limiting bottom block 41 is fixed at the end part of the traction rope 3, the situation that the head end and the tail end of the traction rope 3 drop under the action of pulling force is avoided, when the display board 1 is connected, one traction rope 3 is used, the two ends of the traction rope 3 respectively penetrate through the locking mechanism of the display board 1, the two ends of the traction rope 3 are positioned at the same side of the display board 1, the traction rope 3 positioned at the other side of the display board 1 is in a bent shape and is a hanging end, the demonstration board can be hung through the hanging end, and other operations can be performed by the hanging end, the traction rope 3 penetrates through the limiting rod 44 for a plurality of times, when the two ends of the traction rope 3 have pulling force, the axis of the limiting rod 44 and the axis of the traction rope 3 are in a parallel state as much as possible, in the pulling process of the traction rope 3, when the limiting rod 44 is moved to the limiting ring 43, the limiting ring 43 positioned between the limiting rod 44 and the panel 1 is sleeved on the outer wall of the limiting rod 44, and under the action of the pulling force of the locking mechanism on the traction rope 3, the limiting ring 43 and the limiting rod 44 are fixed, and the limiting ring 43 are clamped by utilizing the slight deformation capability of the traction rope 3 because the sum of the diameters of the limiting rod 44 and the traction rope 3 is slightly larger than the inner diameter of the limiting ring 43, and the traction rope 3 is synchronously fixed, so that the inner diameter of the limiting ring 43 is larger than the outer diameter of the lock cylinder 23 and the length is larger than the maximum distance of the panel 1 at the displaceable position of the lock cylinder 23, and the lock cylinder 23 is prevented from affecting the abutting connection between the limiting ring 43 and the limiting ring 44 under the locking state.

Chamfering is carried out on two ends of the lock cylinder 23;

when the demonstration board is unfolded, the lock cylinder 23 will be insertable into the adjacent second section 22 of the locking tube without manually aligning the adjacent two locking mechanisms.

Examples:

selecting proper number of display boards 1 according to the area of the demonstration boards, connecting the display boards 1 one by utilizing a traction rope 3 to enable adjacent display boards 1 to be closely attached, screwing a first jackscrew 233 to enable the relative positions of the display boards 1 and the traction rope 3 to be fixed, fixing limit bottom blocks 41 at the front end and the rear end of the traction rope 3 respectively, moving the suspension ends of the display boards 1 and the traction rope 3 back when the demonstration boards are required to be unfolded for use, moving the end parts of the traction rope 3 towards the suspension ends at the moment, enabling the lock cylinders 23 to move from the end parts of the traction rope 3 to the suspension ends, enabling the end parts of the lock cylinders 23 to be inserted into the inner cavities of the locking pipe second sections 22 of the adjacent display boards 1, enabling each adjacent display boards 1 to be inserted by the lock cylinders 23, enabling the demonstration boards consisting of the display boards 1 to be thrown and kept in a plane state when bearing surface normal pressure, pushing a limit rod 44 and a limit ring 43 respectively in the directions of the display boards 1, enabling the limit ring 43 to be abutted against the side walls of the display boards 1, enabling the lock cylinders 23 to have a trend of pulling the traction rope 3 reversely under the action of a spring 25, and enabling the limit ring 43 to be inserted into the limit ring 43 to achieve the limit effect of limiting effect on the lock cylinders by utilizing the traction rods 44;

when the folding display panel is stored after the use, the limiting rod 44 and the limiting ring 43 are separated, under the action of the spring 25, the lock core 23 is restored to the central positions of the first locking tube section 21 and the second locking tube section 22, namely, the end part of the lock core 23 is separated from the second locking tube section 22 of the adjacent display panel 1, at the moment, a plurality of display panels 1 can be continuously folded and stacked in a Z shape, and then the display panels 1 can be bound and fixed through binding bands and the like, so that the storage effect is achieved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A folding demonstration board comprising: the novel display device comprises at least two display boards, a locking mechanism, a traction rope and a limiting assembly, wherein the at least two display boards are located on the same plane, two locking mechanisms are arranged on the bottom surface of each display board in parallel, the locking mechanisms can lock and keep the adjacent display boards on the same plane, the two ends of the traction rope penetrate through the locking mechanisms, the locking mechanisms are controlled through the zipper traction rope, and the limiting assembly is arranged on the traction rope to adjust the traction state of the traction rope.

2. A folding demonstration board in accordance with claim 1, wherein said board has a rectangular plate-like structure and the bottom surface of the board has a cavity which is the mounting area of the locking mechanism.

3. The folding demonstration board of claim 1, wherein said locking mechanism comprises: the novel lock comprises a first locking pipe section, two second locking pipe sections, a lock cylinder, a limiting plate and two springs, wherein the two second locking pipe sections are symmetrically arranged at two ends of the first locking pipe section respectively, the lock cylinder is arranged in an inner cavity of the first locking pipe section and the second locking pipe section in a sliding mode, the limiting plate is arranged at the middle position of the annular outer wall of the lock cylinder, the two springs are sleeved on the outer wall of the lock cylinder respectively and located at two sides of the limiting plate, through holes are formed in the lock cylinder along the axis direction, and the traction rope is arranged in the through holes.

4. A folding demonstration board as claimed in claim 3, characterized in that: the diameter of the second section of the locking pipe is smaller than that of the first section of the locking pipe, the variable diameters of the second section of the locking pipe and the first section of the locking pipe are used for limiting the displacement range of the limiting plate, and meanwhile the spring is limited between the limiting plate and the second section of the locking pipe.

5. A folding demonstration board as claimed in claim 3, characterized in that: the outer wall of the lock cylinder is provided with a screw hole, the screw hole extends into the through hole, and a first jackscrew is screwed into the screw hole so as to limit the relative position between the traction rope and the lock cylinder.

6. A folding demonstration board as claimed in claim 3, characterized in that: the length of the lock cylinder is smaller than the total length of the second sections of the two locking pipes and the first section of the locking pipe.

7. The folding demonstration board of claim 1, wherein said spacing assembly comprises: the limiting bottom block is sleeved at the end part of the traction rope, the second jackscrew is radially screwed on the outer wall of the limiting bottom block along the limiting bottom block, the second jackscrew is abutted to the outer wall of the traction rope, the limiting ring is sleeved on the outer wall of the traction rope, the traction rope penetrates through the limiting rod along the radial direction of the limiting rod, and the sum of the diameter of the limiting rod and the diameter of the traction rope is larger than the inner diameter of the limiting ring.

8. A folding demonstration board as claimed in claim 3, characterized in that: chamfering is carried out on two ends of the lock cylinder.