CN215792854U

CN215792854U - Public teaching tutoring panel of examination and research

Info

Publication number: CN215792854U
Application number: CN202122079445.1U
Authority: CN
Inventors: 陆骏豪
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-02-11
Anticipated expiration: 2031-08-31

Abstract

The utility model discloses a public teaching guidance board for examination and research, which relates to the technical field of guidance boards and comprises a base and two adjustable support frames symmetrically arranged on the base, wherein the upper parts of the two adjustable support frames are rotatably connected with a blackboard through a pair of pin shafts, the lower part of the blackboard is provided with a containing groove body close to the front position, the adjustable support frame close to the right is provided with a supporting and fixing device matched with the end part of the containing groove body, a locking gear ring is fixedly sleeved outside the pin shaft close to the right, the rear side of the adjustable support frame close to the right is provided with a locking device matched with the locking gear ring, and one end, far away from the supporting and fixing device, of the containing groove body is rotatably connected to the front side of the blackboard through a rotating shaft a. The blackboard provided by the utility model ensures the stability of the adjusted blackboard through the clamping and limiting of the locking tooth pair which is rotatably adjusted by the resettable locking tooth, is more convenient for teachers to write on the blackboard, and is reliable and easy to operate.

Description

Public teaching tutoring panel of examination and research

Technical Field

The utility model relates to the technical field of tutoring display boards, in particular to a public teaching tutoring display board for examination and research.

Background

Teaching plays a very important role in the development of human civilization, and promotes significant scientific and technical progress. The scientific and technical progress of the twenty-first century has really praised the enormous changes brought to the production and the life of human beings. The study and examination official also can not leave the teaching and the tutor of the teacher to the student, but the simple teaching tutor exhibition board that uses at present has the problem that the blackboard after adjusting through the damping pivot is easily movable.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that a blackboard is easy to move after being adjusted through a damping rotating shaft in a simple teaching tutor board in the prior art, and provides a public teaching tutor board for research and examination.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a public teaching tutoring panel of examination and study, includes that base and symmetry install two adjustable support frames on the base, two adjustable support frame's upper portion is rotated through a pair of round pin axle and is connected with the blackboard, the lower part of blackboard leans on preceding position department to install and connects the cell body greatly, leans on the right side to set up install on the adjustable support frame with connect cell body tip assorted strut solid device greatly, and lean on the right side to set up the outer fixed cover of round pin axle is equipped with the locking ring gear, leans on the right side to set up adjustable support frame rear side install with locking ring gear assorted locking means.

Preferably, one end of the containing trough body, which is far away from the supporting and fixing device, is rotatably connected to the front side of the blackboard through a rotating shaft a.

Preferably, the locking device comprises a socket fixed on the side face of the adjustable support frame arranged close to the right, an insert block is inserted in the socket in a sliding mode, a driving frame is fixedly sleeved at one end, away from the pin shaft, of the insert block, and locking teeth are fixedly installed at one end, parallel to the socket, of the driving frame.

Preferably, a sliding opening is formed in one side, back to the locking gear ring, of the socket, a sliding block is inserted into the sliding opening and connected in a sliding mode, one end, close to the locking gear ring, of the sliding block is fixed to the side face of the inserting block, a compression spring is arranged in the sliding opening, one end of the compression spring is fixedly connected with the side face of the sliding block, and the other end of the compression spring is fixedly connected with the inner side wall of the sliding opening.

Preferably, prop the solid device including fixing the pivot b in the adjustable support frame side that leans on the right side to set up, the vertical setting of pivot b, the rocker has been cup jointed in the middle part rotation of pivot b, the one end that pivot b was kept away from to the rocker is provided with props the portion of supporting, just the torsion spring that is used for the rocker to reset is installed to pivot b's lower extreme.

Preferably, the supporting part comprises a vertical block fixed at one end of the swing frame far away from the rotating shaft b, and a main limiting block is fixedly connected to the middle position of the front side of the vertical block.

Preferably, the upper end and the lower end of the vertical block are respectively and fixedly inserted with a side limiting block, and the two side limiting blocks are arranged in an up-and-down symmetrical manner relative to the main limiting block.

Compared with the prior art, the utility model has the following advantages:

1. the blackboard can ensure the stability of the blackboard by utilizing the clamping and matching of the locking device and the locking gear ring after the deflection angle is adjusted, avoids the influence of the wobbly blackboard on the daily writing of teachers, and is stable and reliable.

2. The chalk dust collecting and containing device can conveniently dump chalk dust collected and contained in the chalk dust containing groove body by using the outer turning and supporting device and then turning the lower connecting groove body, and the embarrassment that the chalk dust needs to be manually blown off due to limited cleaning force when the chalk dust is removed is avoided.

Drawings

FIG. 1 is a schematic perspective view of a teaching board for public research and examination tutoring according to the present invention;

FIG. 2 is a schematic view of a top perspective structure of a public teaching tutorial board for research and examination according to the present invention;

FIG. 3 is a schematic structural view of a middle supporting and fixing device of a public teaching tutorial board for research and examination, which is provided by the utility model;

fig. 4 is a schematic structural diagram of a locking device in a public teaching tutorial board for research and examination according to the present invention.

In the figure: 1 base, 2 adjustable supporting frames, 3 blackboard, 301 pin shaft, 302 locking gear ring, 4 containing groove body, 401 rotating shaft a,

5 supporting and fixing devices, 501 rotating shafts b, 502 torsion springs, 503 swinging frames, 504 vertical blocks, 505 main limiting blocks, 506 side limiting blocks,

6 locking device, 601 drive rack, 602 locking tooth, 603 insert block, 604 socket, 605 slide block, 606 compression spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1

Referring to fig. 1-4, in the embodiment of the utility model, the public teaching guidance board for examination and research includes a base 1 and two adjustable support frames 2 symmetrically installed on the base 1, the upper parts of the two adjustable support frames 2 are rotatably connected with a blackboard 3 through a pair of pin shafts 301, a receiving groove body 4 is installed at the lower part of the blackboard 3 close to the front position, a supporting and fixing device 5 matched with the end part of the receiving groove body 4 is installed on the adjustable support frame 2 close to the right, a locking gear ring 302 is fixedly sleeved outside the pin shaft 301 close to the right, and a locking device 6 matched with the locking gear ring 302 is installed at the rear side of the adjustable support frame 2 close to the right.

The locking device 6 comprises a socket 604 fixed on the side surface of the adjustable support frame 2 arranged close to the right, a plug block 603 is inserted in the socket 604 in a sliding manner, a driving frame 601 is fixedly sleeved at one end of the plug block 603 far away from the pin shaft 301, and a locking tooth 602 is fixedly arranged at one end of the driving frame 601 parallel to the socket 604; one side of the socket 604 opposite to the locking gear ring 302 is provided with a sliding opening, a sliding block 605 is inserted in the sliding opening and is connected with the sliding block, one end of the sliding block 605 close to the locking gear ring 302 is fixed on the side surface of the insertion block 603, a compression spring 606 is arranged in the sliding opening, one end of the compression spring 606 is fixedly connected with the side surface of the sliding block 605, and the other end of the compression spring 606 is fixedly connected with the inner side wall of the sliding opening.

One end of the containing groove body 4, which is far away from the supporting and fixing device 5, is rotatably connected to the front side of the blackboard 3 through a rotating shaft a401, so that the containing groove body 4 can be rotated downwards to conveniently dump chalk dust contained in the containing groove body 4.

The supporting and fixing device 5 comprises a rotating shaft b501 fixed on the side surface of the adjustable support frame 2 arranged close to the right, the rotating shaft b501 is vertically arranged, a swing frame 503 is sleeved in the middle of the rotating shaft b501 in a rotating mode, a supporting portion is arranged at one end, far away from the rotating shaft b501, of the swing frame 503, and a torsion spring 502 used for resetting the swing frame 503 is installed at the lower end of the rotating shaft b 501.

The specific detailed working process is as follows: the driving frame 601 is pulled up, the locking tooth 602 is far away from the locking gear ring 302, the blackboard 3 can be moved to adjust the needed inclination angle, then the hand for pulling the driving frame 601 is released, the driving frame 601 is reset under the reset cooperation of the compression spring 606 and the sliding block 605, the driving of the driving frame 601 is reset, the locking tooth 602 is clamped and supported on the locking gear ring 302 again, the locking of the pin shaft 301 is realized, the blackboard 3 is also stably limited, and the influence of the shaken blackboard 3 on the daily blackboard writing of teachers is avoided.

Example 2

This example differs from example 1 in that: prop portion including fixing the perpendicular piece 504 of keeping away from pivot b501 one end at rocker 503, the front side of perpendicular piece 504 is the fixedly connected with main stopper 505 of position department placed in the middle, the upper and lower both ends of perpendicular piece 504 are fixed the cartridge respectively and are had side stopper 506, and two side stoppers 506 about main stopper 505 symmetry setting from top to bottom, prop through propping in the portion of propping middle and upper, the below and the support in the three position in place ahead can realize the better solid support utility to connecing the movable end of cell body 4, and is more firm, reliable.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a public teaching tutorial panel of examination and study, includes that base (1) and symmetry install two adjustable brace framves (2) on base (1), its characterized in that, two the upper portion of adjustable brace frame (2) is rotated through a pair of round pin axle (301) and is connected with blackboard (3), the lower part of blackboard (3) leans on preceding position department to install and connect cell body (4) greatly, leans on the right side to set up install on adjustable brace frame (2) and connect cell body (4) tip assorted supporting device (5) greatly, and lean on the right side to set up round pin axle (301) outer fixed cover is equipped with locking ring gear (302), leans on the right side to set up adjustable brace frame (2) rear side install with locking ring gear (302) assorted locking means (6).

2. The public teaching tutor board for research and examination according to claim 1, wherein the end of the receiving trough body (4) far from the supporting device (5) is rotatably connected to the front side of the blackboard (3) through a rotating shaft a (401).

3. The auxiliary board for teaching and guidance of research and examination as claimed in claim 1, wherein the locking device (6) comprises a socket (604) fixed on the side of the adjustable supporting frame (2) arranged near the right, a plug (603) is slidably inserted into the socket (604), a driving frame (601) is fixedly mounted on one end of the plug (603) far away from the pin shaft (301), and a locking tooth (602) is fixedly mounted on one end of the driving frame (601) parallel to the socket (604).

4. The auxiliary board for teaching and studying of the examination and research community according to claim 3, wherein a sliding opening is formed in one side of the socket (604) opposite to the locking gear ring (302), a sliding block (605) is inserted into the sliding opening and connected in a sliding manner, one end of the sliding block (605) close to the locking gear ring (302) is fixed on the side surface of the insertion block (603), a compression spring (606) is arranged in the sliding opening, one end of the compression spring (606) is fixedly connected with the side surface of the sliding block (605), and the other end of the compression spring (606) is fixedly connected with the inner side wall of the sliding opening.

5. The public teaching tutor board of examination and research examination of claim 2, characterized by that, prop solid device (5) including fix in the pivot b (501) of the adjustable support frame (2) side that leans on the right setting, pivot b (501) sets up vertically, the middle part of pivot b (501) is rotated and is cup jointed the rocker (503), the one end that the rocker (503) kept away from pivot b (501) is provided with props up the portion, and the lower extreme of pivot b (501) is installed and is used for the torsion spring (502) that the rocker (503) reset.

6. The auxiliary board for teaching and learning examination of the public examination according to claim 5, wherein the supporting part comprises a vertical block (504) fixed on one end of the swing frame (503) far away from the rotation shaft b (501), and a main limiting block (505) is fixedly connected to the central position of the front side of the vertical block (504).

7. The auxiliary board for teaching and guidance of public examination and research according to claim 6, wherein the vertical blocks (504) are respectively and fixedly inserted with side limiting blocks (506) at the upper and lower ends thereof, and the two side limiting blocks (506) are vertically and symmetrically arranged with respect to the main limiting block (505).