CN216211734U

CN216211734U - Chinese teaching card fixing device

Info

Publication number: CN216211734U
Application number: CN202122722337.1U
Authority: CN
Inventors: 赵京辉
Original assignee: Zhengzhou Technical College
Current assignee: Zhengzhou Technical College
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-04-05
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses a Chinese teaching card fixing device which comprises a device bottom plate, a rubber sucker, an extrusion plate and a connecting rod, wherein a fixing base is fixed at the bottom end of the device bottom plate in a welding mode, a one-way threaded rod is connected to the device bottom plate in a rotating mode, a connecting frame is connected to the one-way threaded rod in a threaded mode, a rubber piston is connected to the connecting frame through a screw, the rubber piston is connected into a fixing tube in a limiting sliding mode, and the rubber sucker is installed on a bolt at the bottom end of the fixing tube. This chinese teaching card fixing device is provided with rubber suction cup, and the teaching personnel can drive the rubber piston that links up the frame both sides at corresponding fixed tube upward movement through rotating one-way threaded rod, through extracting the air in each rubber suction cup and make its inside negative pressure that forms, and then can fix the whole convenient stable absorption of device on the podium, can prevent effectively that follow-up device from taking place the skew in the use and toppling over, has increased the stability in use and the security of device.

Description

Chinese teaching card fixing device

Technical Field

The utility model relates to the technical field of teaching, in particular to a Chinese teaching card fixing device.

Background

In China, minority nationalities learn Chinese based on learning native language characters, the Chinese language is an important task for developing the education cause of minority nationalities, the necessity and the possibility of learning Chinese by minority nationalities are determined by the characteristics of national distribution and national relation of China and the needs of flourishing development of minority nationalities, and the Chinese language is a necessary trend of long-term historical development, and younger students like playing when learning the literature in progress and have poor listening and speaking, need to assist teaching by means of a card form and the combination of a card fixing device, so that the interest of learning is increased, and the quality of teaching is improved.

Most of the prior Chinese teaching card fixing devices have the following problems:

when the conventional Chinese teaching card fixing device is used, the Chinese teaching card fixing device is easily deviated or even toppled under the influence of external adverse factors, and can not be used for conveniently and stably placing the Chinese teaching card fixing device per se, so that the stability of subsequent card teaching work can not be ensured;

second, conventional chinese teaching card fixing device can not carry out fast and stable's fixed and dismantlement work to the card in the use, and then can not guarantee the convenience and the stability of follow-up teaching work.

Therefore, we propose a fixing device for a Chinese teaching card, so as to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a Chinese teaching card fixing device to solve the problems that the conventional Chinese teaching card fixing device in the market cannot conveniently and stably place the card and cannot quickly and stably fix and detach the card in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a chinese teaching card fixing device, includes device bottom plate, rubber suction cup, stripper plate and connecting rod, the bottom welded fastening of device bottom plate has unable adjustment base, and installs the bottom plate internal rotation and be connected with one-way threaded rod, threaded connection has linking frame on the one-way threaded rod, and links up and put up the screw connection and have rubber piston, the spacing sliding connection of rubber piston is in the fixed tube, and the bottom bolt of fixed tube installs rubber suction cup to the equal fix with screw of fixed tube and rubber suction cup is on unable adjustment base, rotate on the device bottom plate and be connected with two-way threaded rod, and swing joint has the sliding block on the two-way threaded rod, the top swing joint of sliding block has the bracing piece, and the top swing joint of bracing piece has the installing frame.

Preferably, the one-way threaded rod is connected in the middle of the connecting frame, rubber pistons are symmetrically distributed on the left side and the right side of the connecting frame, the rubber pistons correspond to the fixed tubes and the fixed base one by one, and rubber suckers are distributed on the fixed tubes at equal intervals.

Preferably, be articulated between bracing piece and sliding block and the installing frame, and be threaded connection between sliding block and the two-way threaded rod to the sliding block symmetric distribution is in the left and right sides of two-way threaded rod, and the bottom face of sliding block laminates with the top face of device bottom plate mutually moreover.

Preferably, spacing sliding connection has the stripper plate on the installing frame, and screwed connection has the rubber slab on the stripper plate, welded fastening has reset spring on the stripper plate, and reset spring's top welded fastening has the ejector pin, welded fastening has the dead lever on the installing frame, and screwed connection has the rubber pole on the dead lever, screwed connection has the connecting rod on the rubber pole, and the spacing sliding connection of connecting rod is on the installing frame.

Preferably, the central axis of the mounting frame and the central axis of the extrusion plate are located on the same vertical central line, the length of the extrusion plate is smaller than the length of the inner space of the mounting frame, and a rubber plate is fixed in the middle of the extrusion plate.

Preferably, the top of the ejector rod and the top of the fixed rod are both in the shape of a right triangle, the top end face of the fixed rod and the top end face of the connecting rod are located on the same horizontal plane, and the top of the connecting rod is in the shape of an isosceles triangle.

Compared with the prior art, the utility model has the beneficial effects that: the Chinese teaching card fixing device;

(1) the device is provided with the rubber suckers, a teaching worker can drive the rubber pistons on the two sides of the linking frame to move upwards in the corresponding fixing pipes by rotating the one-way threaded rods, and the air in each rubber sucker is extracted to form negative pressure in the rubber sucker, so that the device can be integrally, conveniently and stably adsorbed and fixed on a platform, the subsequent device can be effectively prevented from being deflected and toppled in the using process, and the using stability and the safety of the device are improved;

(2) the device is provided with an extrusion plate, a teaching worker can drive an ejector rod to contract and reset and clamp between a fixed rod and a connecting rod by pushing the extrusion plate inwards, and then the extrusion plate can be clamped and fixed conveniently and stably, and simultaneously, under the pushing action of the extrusion plate, the top end of a card can be extruded and fixed conveniently and quickly by combining a rubber plate, so that the convenience and the stability of the subsequent card display work can be ensured, similarly, the ejector rod can be driven to move between the connecting rod and a mounting frame by continuously pushing the extrusion plate inwards to drive the ejector rod, the ejector rod can be driven to move outwards by combining the elastic restoring force of the rubber plate, the ejector rod can drive the connecting rod to move outwards to the fixed rod, and the extrusion plate can continuously move outwards, and the ejector rod can be driven to contract and reset outside the fixed rod by combining the reset spring, and then can convenient and fast's completion card dismantlement work, increased the use convenience and the high efficiency of device, effectively improved the availability factor of device.

Drawings

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

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

FIG. 3 is a schematic top view of the rubber sheet according to the present invention;

FIG. 4 is a schematic view of the structure of FIG. 3 at A according to the present invention;

FIG. 5 is a schematic side view of the extrusion plate according to the present invention.

In the figure: 1. a device chassis; 2. a fixed base; 3. a one-way threaded rod; 4. a linking frame; 5. a rubber piston; 6. a fixed tube; 7. a rubber suction cup; 8. a bidirectional threaded rod; 9. a slider; 10. a support bar; 11. installing a frame; 12. a pressing plate; 13. a rubber plate; 14. a return spring; 15. a top rod; 16. fixing the rod; 17. a rubber rod; 18. a connecting rod.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a Chinese teaching card fixing device comprises a device bottom plate 1, a fixed base 2, a one-way threaded rod 3, a linking frame 4, a rubber piston 5, a fixed tube 6, a rubber sucker 7, a two-way threaded rod 8, a sliding block 9, a supporting rod 10, a mounting frame 11, an extrusion plate 12, a rubber plate 13, a reset spring 14, an ejector rod 15, a fixed rod 16, a rubber rod 17 and a connecting rod 18, wherein the fixed base 2 is fixed at the bottom end of the device bottom plate 1 in a welding manner, the one-way threaded rod 3 is connected in the device bottom plate 1 in a rotating manner, the linking frame 4 is connected on the one-way threaded rod 3 in a threaded manner, the rubber piston 5 is connected on the linking frame 4 in a screw manner, the rubber piston 5 is connected in the fixed tube 6 in a limiting and sliding manner, the rubber sucker 7 is installed on a bolt at the bottom end of the fixed tube 6, the fixed tube 6 and the rubber sucker 7 are both fixed on the fixed base 2, the two-way threaded rod 8 is connected on the device bottom plate 1 in a rotating manner, and the two-way threaded rod 8 is movably connected with a sliding block 9, the top end of the sliding block 9 is movably connected with a supporting rod 10, and the top end of the supporting rod 10 is movably connected with a mounting frame 11.

One-way threaded rod 3 is connected in the middle part that links up frame 4, and links up the left and right sides symmetric distribution that puts up 4 and have rubber piston 5 to rubber piston 5 and fixed

pipe

6 and 2 one-to-one of unable adjustment base, fixed pipe 6 equidistance distributes moreover has rubber suction cup 7, can effectively avoid rubber piston 5 to fixed pipe 6 harmful effects, and then can guarantee the stability of 7 operating condition of follow-up rubber suction cup.

Be articulated between bracing piece 10 and sliding block 9 and the installing frame 11, and be threaded connection between sliding block 9 and the two-way threaded rod 8 to sliding block 9 symmetric distribution is in the left and right sides of two-way threaded rod 8, and the bottom face of sliding block 9 laminates mutually with the top face of device bottom plate 1, can guarantee the stability of connected state between bracing piece 10 and sliding block 9 and the installing frame 11, has increased the use convenience and the stability of device.

Spacing sliding connection has stripper plate 12 on the installing frame 11, and bolted connection has rubber slab 13 on stripper plate 12, welded fastening has reset spring 14 on stripper plate 12, and reset spring 14's top welded fastening has ejector pin 15, welded fastening has dead lever 16 on the installing frame 11, and bolted connection has rubber pole 17 on the dead lever 16, bolted connection has connecting rod 18 on the

rubber pole

17, and 18 spacing sliding connection of connecting rod are on installing frame 11, can conveniently control ejector pin 15 and carry out stable reset work on stripper plate 12, the safety in utilization of device has been increased.

The central axis of installing frame 11 and the central axis of stripper plate 12 are located same vertical center line, and the length of stripper plate 12 is less than the inner space length of installing frame 11 to the middle part of stripper plate 12 is fixed with rubber slab 13, can effectively avoid installing frame 11 to the harmful effects of stripper plate 12, and then can guarantee the stability of follow-up card fixed work.

The top of ejector pin 15 and the top of dead lever 16 all are right angled triangle, and the top face of dead lever 16 and the top face of connecting rod 18 are located same horizontal plane to the top of connecting rod 18 is isosceles triangle, can guarantee that dead lever 16 and connecting rod 18 can carry out stable stirring work to ejector pin 15, and then can guarantee follow-up stable fixed dismantlement work, has increased the use variety and the stability of device.

The working principle is as follows: before the Chinese teaching card fixing device is used, the overall condition of the device needs to be checked firstly to determine that the device can work normally;

when a teaching worker works in teaching, the teaching worker can firstly place the whole device on a platform by combining with a graph 1 and a graph 2, each rubber sucker 7 at the bottom of the fixed bases 2 at two sides of the bottom plate 1 of the device is contacted with the platform, at the moment, the teaching worker can drive the linking frame 4 to move upwards by rotating the one-way threaded rod 3, further, the rubber pistons 5 at two sides of the linking frame 4 can be driven to move upwards in the corresponding fixed pipes 6, at the moment, air in each rubber sucker 7 under the fixed pipes 6 can be conveniently and quickly extracted under the action of the movement of the rubber pistons 5, at the moment, negative pressure is formed inside each rubber sucker 7, further, the whole device can be conveniently and stably adsorbed and fixed on the platform, and the phenomenon that a subsequent device is deflected and toppled over in the use process can be effectively prevented;

after the device is integrally and stably placed on a platform, with reference to fig. 1 and 3-5, a teaching person can place a Chinese teaching card in an installation frame 11 by attaching the Chinese teaching card, at this time, by placing the top end of the card at an extrusion plate 12, the teaching person pushes the extrusion plate 12 inwards, at this time, the extrusion plate 12 can drive ejector rods 15 on return springs 14 on two sides to move to a fixed rod 16, at this time, under the pushing action of an inclined surface of the fixed rod 16 and an inclined surface of the ejector rod 15, the fixed rod 16 can push and push the ejector rods 15 to move towards the extrusion plate 12 in an extruding manner, then, the extrusion plate 12 drives the ejector rods 15 to continuously move inwards until the ejector rods 15 are separated from the fixed rod 16, at this time, the ejector rods 15 can be clamped between the fixed rod 16 and a connecting rod 18 by combining the return springs 14, at this time, a surface of the fixed rod 16 is in contact with a surface of the ejector rod 15, and further, the right angle 15 of the ejector rod can be conveniently and stably clamped, meanwhile, under the pushing action of the extrusion plate 12, the combination rubber plate 13 can conveniently and quickly extrude and fix the top end of the card, so that the convenience and stability of the subsequent card display work can be ensured, similarly, when the card needs to be disassembled and replaced, the extrusion plate 12 only needs to be pushed inwards continuously, at the moment, under the pushing and extruding action of the inclined plane of the connecting rod 18, similarly, the extrusion plate 12 is combined with the reset spring 14 to drive the ejector rod 15 to contract and reset between the connecting rod 18 and the mounting frame 11, then, a teaching worker can release the extrusion plate 12, at the moment, the extrusion plate 12 is combined with the elastic restoring force of the rubber plate 13 to drive the ejector rod 15 to move outwards, at the moment, the ejector rod 15 can drive the connecting rod 18 to move outwards together until the connecting rod 18 moves to the fixing rod 16, at the moment, under the extruding action of the inclined plane at the other end of the connecting rod 18, similarly, the extrusion plate 12 continuously moves outwards, the ejector rod 15 can be driven to contract and reset to the outside of the fixed rod 16 by combining the reset spring 14, the disassembly work of the card can be conveniently and quickly completed, then the connecting rod 18 can be restored by combining the rubber rod 17, and the continuous work stability of the subsequent connecting rod 18 can be further ensured;

in the using process of the device, with reference to fig. 1, when a teaching person needs to adjust the display height of the card, the teaching person can rotate the bidirectional threaded rod 8 to drive the sliding blocks 9 on the two sides to move outwards or inwards on the device bottom plate 1 at the same time, at this time, under the sliding action of the sliding blocks 9, the use height of the mounting frame 11 can be conveniently and quickly adjusted under the pushing action of the supporting rod 10, and then the display height of the card can be conveniently and stably adjusted, which is the working process of the whole device.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a chinese teaching card fixing device, includes device bottom plate (1), rubber suction cup (7), stripper plate (12) and connecting rod (18), its characterized in that: the bottom end of the device bottom plate (1) is fixedly welded with a fixed base (2), a one-way threaded rod (3) is rotationally connected in the device bottom plate (1), the one-way threaded rod (3) is in threaded connection with a linking frame (4), and the screw on the connecting frame (4) is connected with a rubber piston (5), the rubber piston (5) is connected in the fixed tube (6) in a limiting and sliding way, and a rubber sucker (7) is arranged on a bolt at the bottom end of the fixed tube (6), the fixed tube (6) and the rubber sucker (7) are fixed on the fixed base (2) by screws, a bidirectional threaded rod (8) is rotatably connected to the device bottom plate (1), and swing joint has sliding block (9) on two-way threaded rod (8), the top swing joint of sliding block (9) has bracing piece (10), and the top swing joint of bracing piece (10) has installing frame (11).

2. The Chinese teaching card fixing device of claim 1, wherein: one-way threaded rod (3) are connected in the middle of linking up frame (4), and the left and right sides symmetric distribution that links up frame (4) has rubber piston (5) to rubber piston (5) and fixed pipe (6) and unable adjustment base (2) one-to-one, the equidistance distributes on fixed pipe (6) moreover has rubber suction cup (7).

3. The Chinese teaching card fixing device of claim 1, wherein: be articulated between bracing piece (10) and sliding block (9) and installing frame (11), and be threaded connection between sliding block (9) and two-way threaded rod (8) to sliding block (9) symmetric distribution is in the left and right sides of two-way threaded rod (8), and the bottom face of sliding block (9) and the laminating of the top face of device bottom plate (1) mutually moreover.

4. The Chinese teaching card fixing device of claim 1, wherein: spacing sliding connection has stripper plate (12) on installing frame (11), and has rubber slab (13) on stripper plate (12), welded fastening has reset spring (14) on stripper plate (12), and the top welded fastening of reset spring (14) has ejector pin (15), welded fastening has dead lever (16) on installing frame (11), and has rubber pole (17) on dead lever (16), the bolted connection has connecting rod (18) on rubber pole (17), and the spacing sliding connection of connecting rod (18) is on installing frame (11).

5. The Chinese teaching card fixing device of claim 4, wherein: the central axis of the mounting frame (11) and the central axis of the extrusion plate (12) are located on the same vertical central line, the length of the extrusion plate (12) is smaller than the length of the inner space of the mounting frame (11), and a rubber plate (13) is fixed in the middle of the extrusion plate (12).

6. The Chinese teaching card fixing device of claim 4, wherein: the top of the ejector rod (15) and the top of the fixed rod (16) are both right-angled triangles, the top end face of the fixed rod (16) and the top end face of the connecting rod (18) are located on the same horizontal plane, and the top of the connecting rod (18) is an isosceles triangle.