CN214955530U

CN214955530U - Teaching show board convenient to fold and carry

Info

Publication number: CN214955530U
Application number: CN202121739977.7U
Authority: CN
Inventors: 尚俊
Original assignee: Huaibei Kechuang Technical Service Co ltd
Current assignee: Huaibei Kechuang Technical Service Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2021-11-30
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses a teaching display board convenient to fold and carry, which comprises a main slot board, a positioning unit and a locking board unit; the upper end of the right side of the main trough plate is provided with a connecting rod movable seat, and the upper end of the connecting rod movable seat is rotatably connected with a lower end rotating shaft; the positioning unit contains the lower extreme connecting rod, the lock axle box, connect the pivot, axle head lock dish and slip catch, the lower extreme and the lower extreme pivot of lower extreme connecting rod are connected, the upper end of lower extreme connecting rod is rotated and is connected with the connection pivot, the lock axle box is installed to the upper end front side of lower extreme connecting rod, the axle head lock dish is installed to the front end of connecting the pivot, the lock axle stub is installed to the rear end circumference of axle head lock dish, the slip catch passes through the inside of swivel even sliding connection at the lock axle box, this folding teaching show board of carrying of being convenient for, it is comparatively convenient to carry, and flexible more convenient, the suitability is stronger, can be better satisfy the teaching demand.

Description

Teaching show board convenient to fold and carry

Technical Field

The utility model relates to a teaching show board technical field specifically is a teaching show board convenient to fold and carry.

Background

When the teacher takes outdoor teaching of students, ordinary show board can not better regulation, and the bandwagon effect is relatively poor, and some show boards carry comparatively inconvenient can not better satisfy the teaching demand.

Wherein application number is 201920570750.0 provides a english teaching is with show board convenient to fold and carry in the prior art, including first show board and second show board, the surface of first show board and second show board is articulated, the inside in extension spring groove is provided with the extension spring, the rear end face of first show board and second show board all articulates there is the supporting leg, be close to the surface set screw hole at its top on the supporting leg, the internal surface threaded connection of screw hole has the threaded rod, and the bottom of supporting leg is provided with high adjusting device, the top of first show board is provided with the fixture block. The utility model discloses a it is articulated to set up first show board and second show board, and stagger the distribution with the supporting leg on the first show board and the supporting leg on the second show board.

Although it can realize the regulation of height, it is comparatively troublesome to carry, and the experience sense is relatively poor in the use, can not be better satisfy the teaching demand.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a teaching show board convenient to fold and carry, it is comparatively convenient to carry, and flexible more convenient, and the suitability is stronger, and the problem in the background art can effectively be solved to the satisfying teaching demand that can be better.

In order to achieve the above object, the utility model provides a following technical scheme: a teaching display board convenient to fold and carry comprises a main groove board, a positioning unit and a locking board unit;

main frid: the upper end of the right side of the connecting rod is provided with a connecting rod movable seat, and the upper end of the connecting rod movable seat is rotatably connected with a lower end rotating shaft;

a positioning unit: the connecting device comprises a lower end connecting rod, a shaft locking box, a connecting rotating shaft, a shaft end locking disc and a sliding locking ring, wherein the lower end of the lower end connecting rod is connected with the lower end rotating shaft, the upper end of the lower end connecting rod is rotatably connected with the connecting rotating shaft, the shaft locking box is arranged on the front side of the upper end of the lower end connecting rod, the shaft end locking disc is arranged at the front end of the connecting rotating shaft, a locking shaft short bar is arranged on the circumference of the rear end of the shaft end locking disc, the sliding locking ring is slidably connected inside the shaft locking box through a rotating ring connecting bar, the sliding locking ring is positioned on the rear side of the shaft end locking disc, and a short bar locking block is arranged at the front end of the sliding locking ring; the rear end of axle head lock dish passes through the joint of lock axle stub and stub locking piece with the front end of slip catch, can fix axle head lock dish, and then can fix the rotation angle of connecting the pivot to the realization is to the regulation of this show board angle.

A locking plate unit: is arranged at the right end of the main frid.

Furthermore, the positioning unit further comprises a lock shaft spring and an external swivel, the rear end of the lock shaft spring is connected to the inner rear end of the lock shaft box, the front end of the lock shaft spring is connected to the rear end of the sliding lock ring, and the external swivel is connected with the sliding lock ring through a swivel connecting bar. Utilize the elasticity of lock axle spring, can make the direction removal of slip lock ring to axle head lock dish, and then make the joint of lock axle short strip and short strip locking piece more firm, utilize the portable slip lock ring of outside change to angle regulation.

Further, still include apron sliding seat, apron and bottom brace, the apron sliding seat is installed to the left end of main frid, the left end of apron rotates with the apron sliding seat through the apron pivot to be connected, the lower extreme swing joint of apron has four bottoms braces. The cover plate can well move relative to the main trough plate through the cover plate movable seat, so that the display plate can be unfolded and contracted more conveniently, and the display plate can be well supported by the aid of the bottom support columns.

Further, the jam plate unit contains jam plate case, angle type locking piece, slip long post, jam plate spring and jam plate hole strip, the right-hand member at main frid is installed to the jam plate case, the inside sliding connection of jam plate case has the slip long post, the mid-mounting of slip long post has angle type locking piece, the right-hand member at angle type locking piece is connected to the left end of jam plate spring, the inside right-hand member at the jam plate case is connected to the right-hand member of jam plate spring, the right-hand member at the apron is installed to jam plate hole strip. The upper end and the lower end of the locking plate hole strip can be clamped in the locking plate box when the locking plate hole strip is opened or folded through the force application of the locking plate spring diagonal locking block.

Further, still include upper end connecting rod and show board, the lower extreme of upper end connecting rod is connected with the connection pivot, the upper end swing joint of upper end connecting rod is at the right side lower extreme of show board. The angle of the display board can be adjusted by moving the upper end connecting rod, and the adjusted angle can be well fixed by the positioning unit installed on the rotating shaft at the moving position.

Further, the handle is further included, and the handle is installed at the right end of the main groove plate. Through the hand-pulling handle, can carry out fine carrying to this show board, make and carry more convenient.

Compared with the prior art, the beneficial effects of the utility model are that: this teaching show board convenient to folding carry has following benefit:

1. this teaching show board convenient to folding is carried is equipped with the positioning unit, utilizes the elasticity of lock axle spring, can make the direction removal of slip lock ring to axle head lock dish, makes the joint of lock axle short strip and short locking piece more firm, and then makes the regulation of show board angle more stable, utilizes the portable slip catch of outside swivel to better angle regulation.

2. This teaching show board convenient to folding is carried is equipped with the jam plate unit, through the application of force of jam plate spring diagonal form locking piece, can make the upper and lower both ends of jam plate hole strip open or joint when folding in the inside of jam plate case.

3. This teaching show board accessible activity upper end connecting rod convenient to folding carry makes the show board carry out the regulation of angle, and the positioning unit who utilizes activity department pivot installation can carry out fine fixed to the angle after the regulation.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the lock shaft housing of the present invention;

fig. 3 is the schematic diagram of the internal structure of the lock plate box of the present invention.

In the figure: the device comprises a main groove plate 1, a connecting rod movable seat 2, a positioning unit 3, a connecting rod at the lower end 31, a lock shaft box 32, a connecting rotating shaft 33, a shaft end lock disc 34, a lock shaft spring 35, a sliding lock ring 36, an external rotating ring 37, a lock plate unit 4, a lock plate box 41, an angle-shaped lock block 42, a sliding long column 43, a lock plate spring 44, a lock plate hole strip 45, a cover plate movable seat 5, a cover plate 6, a bottom support column 7, an upper connecting rod 8, a display plate 9 and a handle 10.

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. 1-3, the present embodiment provides a technical solution: a teaching display board convenient to fold and carry comprises a main groove board 1, a positioning unit 3 and a locking board unit 4;

main frid 1: the upper end of the right side of the connecting rod is provided with a connecting rod movable seat 2, and the upper end of the connecting rod movable seat 2 is rotatably connected with a lower end rotating shaft;

the positioning unit 3: the locking device comprises a lower end connecting rod 31, a locking shaft box 32, a connecting rotating shaft 33, a shaft end locking disc 34 and a sliding locking ring 36, wherein the lower end of the lower end connecting rod 31 is connected with the lower end rotating shaft, the upper end of the lower end connecting rod 31 is rotatably connected with the connecting rotating shaft 33, the front side of the upper end of the lower end connecting rod 31 is provided with the locking shaft box 32, the front end of the connecting rotating shaft 33 is provided with the shaft end locking disc 34, the circumference of the rear end of the shaft end locking disc 34 is provided with a short locking shaft bar, the sliding locking ring 36 is slidably connected inside the locking shaft box 32 through the rotating ring connecting bar, the sliding locking ring 36 is positioned at the rear side of the shaft end locking disc 34, and the front end of the sliding locking ring 36 is provided with a short locking bar; the rear end of the shaft end locking disc 34 and the front end of the sliding locking ring 36 are clamped through the locking shaft short bar and the short bar locking block, the shaft end locking disc 34 can be fixed, and then the rotating angle of the connecting rotating shaft 33 can be fixed, so that the angle of the display board can be adjusted.

The positioning unit 3 further includes a lock shaft spring 35 and an outer swivel 37, a rear end of the lock shaft spring 35 is connected to an inner rear end of the lock shaft housing 32, a front end of the lock shaft spring 35 is connected to a rear end of the slide lock ring 36, and the outer swivel 37 is connected to the slide lock ring 36 through a swivel link. The sliding lock ring 36 can move towards the direction of the shaft end lock disc 34 by using the elasticity of the lock shaft spring 35, so that the short bar and the short bar lock block of the lock shaft are clamped more stably, and the sliding lock ring 36 can be moved by using the external rotating ring 37, so that the angle is adjusted.

Still including apron sliding seat 5, apron 6 and bottom brace 7, apron sliding seat 5 is installed to the left end of main frid 1, and the left end of apron 6 rotates with apron sliding seat 5 through the apron pivot to be connected, and the lower extreme swing joint of apron 6 has four bottom braces 7. The apron 6 passes through apron sliding seat 5, can be fine with the relative activity of main frid 1, and then make the expansion shrink more convenient, utilize bottom dagger 7 can carry out fine support to this show board.

Locking plate unit 4: is arranged at the right end of the main groove plate 1.

The jam plate unit 4 contains jam plate case 41, angle type locking piece 42, slip long post 43, jam plate spring 44 and jam plate hole strip 45, the right-hand member at main frid 1 is installed to jam plate case 41, the inside sliding connection of jam plate case 41 has slip long post 43, the mid-mounting of slip long post 43 has angle type locking piece 42, the right-hand member at angle type locking piece 42 is connected to the left end of jam plate spring 44, the inside right-hand member at jam plate case 41 is connected to the right-hand member of jam plate spring 44, the right-hand member at apron 6 is installed to jam plate hole strip 45. The upper and lower ends of the locking plate hole strip 45 can be clamped in the locking plate box 41 when the locking plate spring 44 applies force to the angle-shaped locking block 42.

Still include upper end connecting rod 8 and show board 9, the lower extreme of upper end connecting rod 8 is connected with being connected pivot 33, and the upper end swing joint of upper end connecting rod 8 is at the right side lower extreme of show board 9. The angle of the display board 9 can be adjusted by the movable upper end connecting rod 8, and the adjusted angle can be well fixed by the positioning unit 3 installed on the rotating shaft at the movable part.

The handle 10 is further included, and the handle 10 is installed at the right end of the main groove plate 1. Through hand-pulling handle 10, can carry on fine carrying to this show board, make and carry more convenient.

The utility model provides a pair of teaching show board convenient to fold and carry's theory of operation as follows: the exposed part of the sliding long column 43 is pulled firstly, the cover plate 6 is made to move, the locking plate hole strip 45 at the right end is under the force application of the locking plate spring 44 diagonal locking block 42 and is clamped inside the locking plate box 41, then the movable bottom support column 7 makes the lower end of the display plate stable, the lower end connecting rod 31 and the upper end connecting rod 8 move again, the elastic force of the locking shaft spring 35 is utilized, the sliding locking ring 36 can move towards the direction of the shaft end locking disc 34, the clamping of the locking shaft short strip and the short locking block is more stable, the adjustment of the angle of the display plate is further more stable, the sliding locking ring 36 can be moved by utilizing the external rotating ring 37, the better angle is adjusted, and the display plate can be well carried by the hand pull handle 10.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a teaching show board convenient to folding carry which characterized in that: comprises a main slot plate (1), a positioning unit (3) and a locking plate unit (4);

main deck (1): the upper end of the right side of the connecting rod is provided with a connecting rod movable seat (2), and the upper end of the connecting rod movable seat (2) is rotatably connected with a lower end rotating shaft;

positioning unit (3): the sliding lock ring is characterized by comprising a lower end connecting rod (31), a lock shaft box (32), a connecting rotating shaft (33), a shaft end lock disc (34) and a sliding lock ring (36), wherein the lower end of the lower end connecting rod (31) is connected with the lower end rotating shaft, the upper end of the lower end connecting rod (31) is rotatably connected with the connecting rotating shaft (33), the lock shaft box (32) is installed on the front side of the upper end of the lower end connecting rod (31), the shaft end lock disc (34) is installed on the front end of the connecting rotating shaft (33), a lock shaft short bar is installed on the circumference of the rear end of the shaft end lock disc (34), the sliding lock ring (36) is slidably connected inside the lock shaft box (32) through a rotating ring connecting bar, the sliding lock ring (36) is located on the rear side of the shaft end lock disc (34), and a short bar lock block is installed at the front end of the sliding lock ring (36);

locking plate unit (4): is arranged at the right end of the main frid (1).

2. The teaching display board convenient to fold and carry of claim 1, which is characterized in that: the positioning unit (3) further comprises a lock shaft spring (35) and an external rotating ring (37), the rear end of the lock shaft spring (35) is connected to the inner rear end of the lock shaft box (32), the front end of the lock shaft spring (35) is connected to the rear end of the sliding lock ring (36), and the external rotating ring (37) is connected with the sliding lock ring (36) through a rotating ring connecting bar.

3. The teaching display board convenient to fold and carry of claim 1, which is characterized in that: still prop post (7) including apron sliding seat (5), apron (6) and bottom, apron sliding seat (5) are installed to the left end of main frid (1), the left end of apron (6) is rotated with apron sliding seat (5) through the apron pivot and is connected, the lower extreme swing joint of apron (6) has four bottoms to prop post (7).

4. A teaching display board convenient to fold and carry as claimed in claim 3, wherein: the locking plate unit (4) contains locking plate box (41), angle type locking piece (42), slip long post (43), locking plate spring (44) and locking plate hole strip (45), the right-hand member in main frid (1) is installed in locking plate box (41), the inside sliding connection of locking plate box (41) has slip long post (43), the mid-mounting of slip long post (43) has angle type locking piece (42), the right-hand member in angle type locking piece (42) is connected to the left end of locking plate spring (44), the inside right-hand member in locking plate box (41) is connected to the right-hand member of locking plate spring (44), the right-hand member in apron (6) is installed in locking plate hole strip (45).

5. The teaching display board convenient to fold and carry of claim 1, which is characterized in that: still include upper end connecting rod (8) and show board (9), the lower extreme and the connection pivot (33) of upper end connecting rod (8) are connected, the upper end swing joint of upper end connecting rod (8) is at the right side lower extreme of show board (9).

6. The teaching display board convenient to fold and carry of claim 1, which is characterized in that: the novel groove plate is characterized by further comprising a handle (10), wherein the handle (10) is installed at the right end of the main groove plate (1).