CN211031916U

CN211031916U - Panel fixing mechanism for square tube three-leg lifting blackboard

Info

Publication number: CN211031916U
Application number: CN201922013590.2U
Authority: CN
Inventors: 汪勤先
Original assignee: Changzhou Aida Smart Home Co ltd
Current assignee: Changzhou Aida Smart Home Co ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-07-17
Anticipated expiration: 2029-11-20

Abstract

The utility model discloses a three leg lift face fixed establishment for blackboard in side pipe, including triangle base, fixed plate and blackboard body, the top of triangle base and the top fixed connection of fixed plate, the equal fixedly connected with cushion in bottom of triangle base, the quantity of cushion is three, the left side of fixed plate and the right side swing joint of blackboard body, the equal fixedly connected with slider in right side of blackboard body. In the utility model, firstly, the blackboard body is clamped inside the chute of the fixed plate through the sliding block, the rocker is inserted into the fixed plate and is introduced into the gear, the lug is clamped in the limiting groove inside the gear, and the rocker pushes the limiting block out of the gear; secondly, rotating the rocker to drive the gear to rotate clockwise, and driving the upper clamping block to clamp the top of the blackboard body by the first toothed plate to move downwards; and finally, the rocker is pulled out, the spring is unfolded, and the limiting block is pushed to enter the gear, so that the blackboard is fixed.

Description

Panel fixing mechanism for square tube three-leg lifting blackboard

Technical Field

The utility model relates to a blackboard fixing device field especially relates to a square pipe three legs for blackboard board fixed establishment.

Background

The blackboard is not particularly a black board, is a plane which can be repeatedly written by chalk in the traditional sense, is hard, and is mainly used for teaching. The blackboard is generally made of wood board or ground glass, and can be written on by using specific writing materials such as chalk. The existing blackboard needs to be used at a specific position, and when the existing blackboard is used outdoors, the blackboard is inconvenient to fix on a support frame.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a square tube three-leg lifting blackboard panel fixing mechanism.

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

a square tube three-leg lifting blackboard face fixing mechanism comprises a triangular base, a fixing plate and a blackboard body, wherein the top of the triangular base is fixedly connected with the top of the fixing plate, the bottom of the triangular base is fixedly connected with three cushion blocks, the left side of the fixing plate is movably connected with the right side of the blackboard body, the right side of the blackboard body is fixedly connected with a sliding block, the fixing plate comprises a gear, a first toothed plate, a second toothed plate, a roller, a limiting block and a spring, the inside of the fixing plate is movably connected with the gear, the front part of the gear is movably connected with the tooth top of the first toothed plate, the back part of the gear is movably connected with the tooth top of the second toothed plate, the top of the first toothed plate is fixedly connected with an upper clamping block, the bottom of the second toothed plate is fixedly connected with a lower clamping block, and the bottom of the upper clamping block and the top of the lower clamping block are fixedly connected with rubber blocks, the utility model discloses a blackboard, including the rubber piece, the right side of going up clamp splice and lower clamp splice is all with blackboard body overlap joint, the right side of going up clamp splice and lower clamp splice all with the left side outer wall overlap joint of fixed plate, one side that the gear was kept away from to first pinion rack and second pinion rack is even with gyro wheel fixed connection, the one end that the gear was kept away from to the gyro wheel all with the inner wall swing joint of fixed plate, the left side inner wall of fixed plate and the left end fixed connection of spring, the one end of fixed plate and the left side fixed connection of stopper are kept away from to the spring, gear swing joint has the rocker, the left side outer wall fixedly connected with lug of rocker, spacing groove and this spacing groove and lug and stopper external diameter looks adaptation have.

As a further description of the above technical solution:

the left side of the fixed plate is provided with a sliding groove, and the sliding block is movably connected with the inside of the sliding groove.

As a further description of the above technical solution:

a circular hole groove is formed in the middle of the fixing plate, and the gear is movably connected with the inside of the circular hole groove.

As a further description of the above technical solution:

the fixed plate is internally provided with a sliding groove, and the first toothed plate and the second toothed plate are movably connected with the inside of the sliding groove.

As a further description of the above technical solution:

the fixed plate is provided with a sliding groove, and the upper clamping block and the lower clamping block penetrate through the sliding groove and extend to the inside of the fixed plate.

As a further description of the above technical solution:

the left side of fixed plate has seted up the spout, stopper and the inside swing joint of spout.

As a further description of the above technical solution:

the middle part of the gear is provided with a through hole, the right side of the fixed plate is provided with a hole groove, and the rocker penetrates through the through hole and the hole groove and extends to the outside of the fixed plate.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, a blackboard body is clamped inside a sliding groove of a fixed plate through a sliding block, a rocker is inserted into the fixed plate and is introduced into a gear, a bump is clamped in a limiting groove inside the gear, and the rocker pushes a limiting block out of the gear; secondly, rotating the rocker to drive the gear to rotate clockwise, driving the first toothed plate to move downwards to drive the upper clamping block to clamp the top of the blackboard body, and driving the lower clamping block to clamp the bottom of the blackboard body to move upwards; and finally, the rocker is pulled out, the spring is unfolded, the limiting block is pushed to enter the gear, the gear is prevented from rotating, and the effect of fixing the blackboard is achieved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

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

FIG. 2 is a schematic front view of the structure of the present invention;

fig. 3 is a side sectional view of the fixing plate of the present invention;

fig. 4 is an enlarged view of a in fig. 3 according to the present invention.

In the figure: 1. a triangular base; 2. a fixing plate; 3. a blackboard body; 4. an upper clamping block; 5. a lower clamping block; 6. a rubber block; 7. a gear; 8. a first toothed plate; 9. a second toothed plate; 10. a roller; 11. a rocker; 12. a bump; 13. a limiting block; 14. a spring; 15. a slider; 16. and a cushion block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-4, a plate fixing mechanism for a square tube three-leg lifting blackboard comprises a triangular base 1, a fixing plate 2 and a blackboard body 3, wherein the top of the triangular base 1 is fixedly connected with the top of the fixing plate 2, the bottom of the triangular base 1 is fixedly connected with cushion blocks 16, the number of the cushion blocks 16 is three, the left side of the fixing plate 2 is movably connected with the right side of the blackboard body 3, the right side of the blackboard body 3 is fixedly connected with a slide block 15, the fixing plate 2 comprises a gear 7, a first toothed plate 8, a second toothed plate 9, rollers 10, a limiting block 13 and springs 14, the inner part of the fixing plate 2 is movably connected with the gear 7, the front part of the gear 7 is movably connected with the tooth crest of the first toothed plate 8, the back part of the gear 7 is movably connected with the tooth crest of the second toothed plate 9, the top of the first toothed plate 8 is fixedly connected with an upper clamping block 4, the bottom, go up the equal fixedly connected with rubber block 6 in bottom and the top of lower clamp splice 5 of clamp splice 4, the rubber block 6 is kept away from the one end of last clamp splice 4 and clamp splice 5 down and all is lapped with blackboard body 3, the right side of going up clamp splice 4 and clamp splice 5 down all with the left side outer wall overlap joint of fixed plate 2, one side that gear 7 was kept away from to first pinion rack 8 and second pinion rack 9 is even with gyro wheel 10 fixed connection, the one end that gear 7 was kept away from to gyro wheel 10 all with the inner wall swing joint of fixed plate 2, the left side inner wall of fixed plate 2 and the left end fixed connection of spring 14, the left side fixed connection of one end and stopper 13 of fixed plate 2 is kept away from to spring 14, gear 7 swing joint has rocker 11, the left side outer wall fixedly connected with lug 12 of rocker 11, the inside of gear 7 has been seted up spacing groove and this spacing groove and.

Furthermore, a sliding groove is formed in the left side of the fixing plate 2, and the sliding block 15 is movably connected with the inside of the sliding groove.

Furthermore, a circular hole groove is formed in the middle of the fixing plate 2, and the gear 7 is movably connected with the inside of the circular hole groove.

Further, the inside of fixed plate 2 has all been seted up the spout, and first pinion rack 8 and second pinion rack 9 all with the inside swing joint of spout.

Further, the fixed plate 2 is provided with a sliding groove, and the upper clamping block 4 and the lower clamping block 5 penetrate through the sliding groove and extend to the inside of the fixed plate 2.

Furthermore, the left side of the fixed plate 2 is provided with a sliding groove, and the limiting block 13 is movably connected with the inside of the sliding groove.

Further, the through-hole has been seted up at the middle part of gear 7, and the hole groove has been seted up on the right side of fixed plate 2, and rocker 11 runs through-hole and hole groove to extend to the outside of fixed plate 2.

The working principle is as follows: pass through blackboard body 3 inside the spout of slider 15 card at fixed plate 2, insert fixed plate 2 with rocker 11, let in inside gear 7, lug 12 card is at the inside spacing inslot of gear 7, rocker 11 releases gear 7 with stopper 13, rotate rocker 11, drive gear 7 clockwise, first pinion rack 8 downshifting, the top that blackboard body 3 was cliied to clamp 4 in the drive, second pinion rack 9 moves up, the bottom that blackboard body 3 was cliied to clamp 5 under the drive, after pressing from both sides tightly, take out rocker 11, spring 14 expandes, it is inside to promote stopper 13 entering gear 7, prevent that gear 7 from rotating.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a square pipe three legs lift face fixed establishment for blackboard, includes triangle base (1), fixed plate (2) and blackboard body (3), its characterized in that, the top of triangle base (1) and the top fixed connection of fixed plate (2), the equal fixedly connected with cushion (16) in bottom of triangle base (1), the quantity of cushion (16) is three, the left side of fixed plate (2) and the right side swing joint of blackboard body (3), the equal fixedly connected with slider (15) in right side of blackboard body (3), fixed plate (2) include gear (7), first pinion rack (8), second pinion rack (9), gyro wheel (10), stopper (13) and spring (14), the inside and gear (7) swing joint of fixed plate (2), the anterior of gear (7) and the tooth top swing joint of first pinion rack (8), the back of the gear (7) is movably connected with the tooth top of the second toothed plate (9), the top of the first toothed plate (8) is fixedly connected with an upper clamping block (4), the bottom of the second toothed plate (9) is fixedly connected with a lower clamping block (5), the bottom of the upper clamping block (4) and the top of the lower clamping block (5) are respectively fixedly connected with a rubber block (6), one ends of the rubber blocks (6) far away from the upper clamping block (4) and the lower clamping block (5) are respectively in lap joint with the blackboard body (3), the right sides of the upper clamping block (4) and the lower clamping block (5) are respectively in lap joint with the outer wall of the left side of the fixed plate (2), one sides of the first toothed plate (8) and the second toothed plate (9) far away from the gear (7) are respectively in fixed connection with the idler wheel (10), one ends of the idler wheel (10) far away from the gear (7) are respectively in movable connection with the inner wall of the fixed plate (2), the inner wall of the left side of the fixed plate (2) is fixedly connected with, one end of the spring (14) far away from the fixed plate (2) is fixedly connected with the left side of the limiting block (13), the gear (7) is movably connected with a rocker (11), the outer wall of the left side of the rocker (11) is fixedly connected with a convex block (12), a limiting groove is formed in the gear (7), and the limiting groove is matched with the convex block (12) and the limiting block (13) in outer diameter.

2. The board surface fixing mechanism for the square tube three-leg lifting blackboard according to claim 1, wherein a sliding groove is formed in the left side of the fixing plate (2), and the sliding block (15) is movably connected with the inside of the sliding groove.

3. The board surface fixing mechanism for the square tube three-leg lifting blackboard according to claim 1, wherein a circular hole groove is formed in the middle of the fixing plate (2), and the gear (7) is movably connected with the inside of the circular hole groove.

4. The board surface fixing mechanism for the square tube three-leg lifting blackboard according to claim 1, wherein sliding grooves are formed in the fixing plate (2), and the first toothed plate (8) and the second toothed plate (9) are movably connected with the inner parts of the sliding grooves.

5. The board surface fixing mechanism for the square tube three-leg lifting blackboard according to claim 1, wherein a sliding groove is formed in the fixing plate (2), and the upper clamping block (4) and the lower clamping block (5) penetrate through the sliding groove and extend into the fixing plate (2).

6. The board surface fixing mechanism for the square tube three-leg lifting blackboard according to claim 1, wherein a sliding groove is formed in the left side of the fixing plate (2), and the limiting block (13) is movably connected with the inside of the sliding groove.

7. The plate surface fixing mechanism for the square tube three-leg lifting blackboard according to claim 1, wherein a through hole is formed in the middle of the gear (7), a hole groove is formed in the right side of the fixing plate (2), and the rocker (11) penetrates through the through hole and the hole groove and extends to the outside of the fixing plate (2).