CN216368075U

CN216368075U - Test bench for physics experiments

Info

Publication number: CN216368075U
Application number: CN202123184524.5U
Authority: CN
Inventors: 倪梦莹
Original assignee: Yantai University
Current assignee: Yantai University
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-04-26
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses a test bed for physical experiments, which comprises a storage mechanism, a display mechanism and a plurality of clamping mechanisms, wherein the storage mechanism is arranged on the display mechanism; the test appliance storage mechanism comprises two cabinet plates; a plurality of folding plates are hinged between the two test appliance cabinet plates; a plurality of test tool folding plates are mutually connected; the same side of the two test appliance cabinet plates is fixedly connected with a push-pull assembly; two sides of the bottom surfaces of the two test appliance cabinet plates are respectively and fixedly provided with a telescopic rod; the test tool display mechanism comprises a table board and a lifting assembly; the bottom surface of the test appliance table board is in sliding contact with the top surface of the test appliance cabinet board; the top surface of the test tool table surface is provided with a plurality of mounting grooves; the test tool mounting groove is connected with a block in a sliding way; the test tool mounting grooves are respectively and detachably connected with a test tool clamping mechanism; the test tool lifting assembly is hinged with one side of the test tool table board; the test tool lifting assembly is fixedly connected with the test tool push-pull assembly. The utility model can improve the display effect of the test and is convenient to place.

Description

Test bench for physics experiments

Technical Field

The utility model relates to the technical field of teaching equipment, in particular to a test bed for a physical experiment.

Background

The physics involves the knowledge of heat, force, sound, light and electricity, and in order to facilitate the students to quickly understand, the teacher in the school often performs many related experiments to improve the teaching quality. The teacher can not show the experiment on the test bed, so that all students can watch the experiment only by the number of the students, and the effect is very poor.

Moreover, the existing physical experiment table is single in function, heavy and not beneficial to placement, and in order to facilitate placement of the experiment table and improve the experiment effect of students viewing teachers, the experiment table for physical experiments is necessary to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a test bed for physical experiments, which solves the problems in the prior art, can improve the display effect of the experiments and is convenient to place.

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

a test bed for physical experiments comprises a storage mechanism, a display mechanism and a plurality of clamping mechanisms;

the article placing mechanism comprises two cabinet plates; a plurality of folding plates are hinged between the two cabinet plates; the folding plates are mutually connected; the same side of the two cabinet plates is fixedly connected with a push-pull assembly; two sides of the bottom surfaces of the two cabinet plates are respectively and fixedly provided with a telescopic rod;

the display mechanism comprises a table top and a lifting assembly; the bottom surface of the table top is in sliding contact with the top surface of the cabinet plate; the top surface of the table top is provided with a plurality of mounting grooves; the mounting groove is internally and slidably connected with a blocking block; the clamping mechanisms are detachably connected in the mounting grooves respectively; the lifting assembly is hinged with one side of the table top; the lifting assembly is fixedly connected with the push-pull assembly.

Preferably, the push-pull assembly comprises a fixed plate and two moving plates; one side surface of the movable plate is fixedly connected with one side surface of the cabinet plate; a T-shaped sliding rail is embedded in the middle of the fixing plate; two ends of a T-shaped groove in the T-shaped slide rail are fixedly connected with limiting blocks respectively; a T-shaped block which is connected with the T-shaped groove in a sliding way is arranged between the two limiting blocks; the T-shaped block is fixedly connected with one side surface of the moving plate, which is far away from the cabinet plate; the fixed plate is fixedly connected with the lifting assembly at one side surface far away from the cabinet plate.

Preferably, the lifting assembly comprises a sleeve; the bottom end of the inner cavity of the sleeve is fixedly connected with a telescopic motor; the output end of the telescopic motor is fixedly connected with a sliding rod; the sliding rod is connected with the inner wall of the sleeve in a sliding manner; the top surface of the sliding rod is hinged with one side surface of the table top; the side surface of the sleeve is fixedly connected with the fixing plate.

Preferably, the clamping mechanism comprises a fixing component and a clamping component; the fixing component comprises two arc plates; the two arc plates are arranged oppositely; a first spring is fixedly connected between the two arc plates; the inner walls of the two arc plates are in threaded connection with conical heads; a plurality of connecting columns are fixedly connected between any arc plate and the clamping assembly; the outer side surface of the arc plate is abutted to the inner wall of the mounting groove.

Preferably, the clamping assembly comprises a fixed disc; a plurality of connecting columns are fixedly connected between any one of the arc plates and the bottom surface of the fixed disc; the center of the top surface of the fixed disc is respectively and rotatably connected with two clamping rods; the middle parts of the two clamping rods are hinged with each other; clamping blocks and second springs are symmetrically arranged between the opposite side surfaces of the two clamping rods respectively; the bottom surface of the clamping block is fixedly connected with the top surface of the fixed disc; an arc-shaped guide groove is formed in one side face, far away from the center of the fixed disc, of the fixture block; the second spring is arranged in the arc-shaped guide groove; and two ends of the top surface of the clamping rod are fixedly connected with fixing columns respectively.

Preferably, the second spring and the clamping block are both provided with two blocks.

Preferably, the outer side face of the fixing column is sleeved with a sponge sleeve.

Preferably, the top surface of the conical head is fixedly connected with an auxiliary ring.

The utility model has the following technical effects:

the folding and shrinking of the article placing mechanism are realized by utilizing the push-pull assembly, the folding plate and the telescopic rod, the occupied space of the folding and shrinking storage device can be greatly reduced when the folding and shrinking storage device is not used for storage, and the utilization rate of the space is improved.

Through the cooperation of mesa and lifting unit, can obtain abundant show with the test apparatus on the mesa, be favorable to developing of teaching.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

Fig. 1 is a schematic front view of the present invention.

Fig. 2 is a schematic diagram showing a side view and partial perspective structure of the mechanism.

Fig. 3 is a side view of the T-shaped slide rail.

FIG. 4 is a side view of the clamping mechanism.

FIG. 5 is a side view of the clamping mechanism with one arc plate removed.

Wherein, 1, a placement mechanism; 11. a cabinet panel; 12. folding the board; 13. a telescopic rod; 14. a fixing plate; 15. moving the plate; 16. a T-shaped slide rail; 17. a limiting block; 18. a T-shaped block; 2. a display mechanism; 21. a table top; 22. mounting grooves; 23. blocking; 24. a sleeve; 25. a telescopic motor; 26. a slide bar; 3. a clamping mechanism; 31. an arc plate; 32. a first spring; 33. a conical head; 34. connecting columns; 35. fixing the disc; 36. a clamping bar; 37. a second spring; 38. a clamping block; 39. fixing a column; 4. a sponge sleeve; 5. an auxiliary ring; 6. a universal wheel.

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.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

A test bed for physical experiments comprises a storage mechanism 1, a display mechanism 2 and a plurality of clamping mechanisms 3;

the article placing mechanism 1 comprises two cabinet plates 11; a plurality of folding plates 12 are hinged between the two cabinet plates 11; the adjacent folding plates 12 are hinged with each other through hinges, the folding plates 12 at the two ends are respectively hinged with the side walls of the cabinet plates 11, and meanwhile, the folding directions of the adjacent folding plates 12 are completely opposite, so that the folding of a plurality of folding plates 12 can be realized in a wave manner; the same side of the two cabinet plates 11 is fixedly connected with a push-pull assembly; two sides of the bottom surfaces of the two cabinet plates 11 are respectively and fixedly provided with a telescopic rod 13;

further, the telescopic rod 13 is a multi-stage telescopic rod, which is commonly used on various supports requiring height or length adjustment, and is not described herein again for the prior art.

Furthermore, two ends of the bottom surface of the telescopic rod 13 are respectively and fixedly connected with universal wheels 6, so that the utility model is convenient to move; the two ends of the top surface of the telescopic rod 13 are respectively fixedly connected with the bottom surfaces of the two cabinet plates 11.

The display mechanism 2 comprises a table top 21 and a lifting component; the bottom surface of the table-board 21 is in sliding contact with the top surface of the cabinet board 11; the top surface of the table-board 21 is provided with a plurality of mounting grooves 22; the blocking block 23 is connected in the mounting groove 22 in a sliding mode, the side face of the blocking block 23 is connected with the side wall of the mounting groove 22 in a sliding mode with damping, the blocking block 23 can be flush with the table top when the clamping mechanism 3 is not mounted, and the top face of the table top is clean and convenient to use; the clamping mechanisms 3 are detachably connected in the mounting grooves 22 respectively; the lifting component is hinged with one side of the table top 21; the lifting component is fixedly connected with the push-pull component.

In a further optimized scheme, the push-pull assembly comprises a fixed plate 14 and two moving plates 15; one side surface of the moving plate 15 is fixedly connected with one side surface of the cabinet plate 11; a T-shaped slide rail 16 is embedded in the middle of the fixed plate 14; two ends of a T-shaped groove in the T-shaped slide rail 16 are respectively and fixedly connected with a limiting block 17; a T-shaped block 18 which is connected with the T-shaped groove in a sliding way is arranged between the two limiting blocks 17; the T-shaped block 18 is fixedly connected with one side face, far away from the cabinet plate 11, of the moving plate 15, and the moving plate 15 is fixedly connected with the T-shaped block 18, so that the moving plate 15 can move along the T-shaped sliding rail 16, and the moving plate 15 can stretch along with the T-shaped sliding rail when the article placing mechanism 1 is folded; a lifting component is fixedly connected to one side surface of the fixing plate 14 far away from the cabinet plate 11.

Further, the T-shaped sliding rail 16 is horizontally arranged and has the same folding and contracting direction with the plurality of folding plates 12, so that the two folding and contracting plates can be synchronously contracted or expanded conveniently.

In a further preferred embodiment, the lifting assembly comprises a sleeve 24; the bottom end of the inner cavity of the sleeve 24 is fixedly connected with a telescopic motor 25; the output end of the telescopic motor 25 is fixedly connected with a slide bar 26; the sliding rod 26 is connected with the inner wall of the sleeve 24 in a sliding manner, and the table top 21 is lifted up and down by the sliding rod 26 sliding up and down in the sleeve 24 under the action of the telescopic motor 25; the top surface of the sliding rod 26 is hinged with one side surface of the table-board 21; the side of the sleeve 24 is fixedly connected to the fixing plate 14.

Further, the top surface of the sliding rod 26 is hinged with one side surface of the table-board 21 by a torque hinge, and the torque hinge can reciprocate within the moving range with constant torque and can be stopped at will, which is not described in detail in the prior art.

In a further optimized scheme, the clamping mechanism 3 comprises a fixing component and a clamping component; the fixing component comprises two arc plates 31; the two arc plates 31 are arranged oppositely; a first spring 32 is fixedly connected between the two arc plates 31, and the first spring 32 can fix the two arc plates 31 to prevent the arc plates 31 from being separated; the inner walls of the two arc plates 31 are screwed with conical heads 33; a plurality of connecting columns 34 are fixedly connected between any arc plate 31 and the clamping assembly; the lateral surface of arc board 31 is inconsistent with the mounting groove 22 inner wall, can realize through the rotation of cone 33, extrudees two arc boards 31 and expands to the outside and inconsistent with the mounting groove 22 inner wall, realizes fixture 3 and mounting groove 22's fixed.

In a further optimized scheme, the clamping assembly comprises a fixed disc 35; a plurality of connecting columns 34 are fixedly connected between the bottom surfaces of any arc plate 31 and the fixed disc 35; the center of the top surface of the fixed disc 35 is respectively and rotatably connected with two clamping rods 36; the middle parts of the two clamping rods 36 are hinged with each other; a clamping block 38 and a second spring 37 are symmetrically arranged between the opposite side surfaces of the two clamping rods 36; the bottom surface of the clamping block 38 is fixedly connected with the top surface of the fixed disc 35; an arc-shaped guide groove is formed in one side face, away from the center of the fixed disc 35, of the clamping block 38; the second spring 37 is arranged in the arc-shaped guide groove, and the second spring 37 can provide restoring force for the rotation of the two clamping rods 36, so that the clamping rods 36 can clamp a test tool (not shown in the drawing) by using the fixing columns 39; the two ends of the top surface of the clamping rod 36 are respectively fixedly connected with a fixing column 39.

Further, the centers of the two clamping rods 36 hinged to each other are rotatably connected with the center of the fixed disc 35.

Furthermore, two side surfaces of the fixture block 38 are respectively attached to the opposite side surfaces of the two clamping rods 36, so that the two clamping rods 36 are limited through the fixture block 38, and the two clamping rods 36 are prevented from being overlapped together.

In a further optimized scheme, the second spring 37 and the fixture block 38 are both provided with two blocks.

Further optimize the scheme, the lateral surface cover of fixed column 39 is equipped with sponge cover 4, improves the frictional force between fixed column 39 and the test apparatus, noise reduction.

In a further optimized scheme, the auxiliary ring 5 is fixedly connected to the top surface of the conical head 33, so that the conical head 33 can rotate conveniently.

The working process of the embodiment is as follows:

when the utility model is required to be displayed, the telescopic motor 25 is started, the slide rod 26 is lifted, the table board 21 is further driven to be lifted to a certain height, then the table board 21 is turned to be erected, the table board 21 is stopped at the preset height by utilizing the torque hinge, the clamping mechanism 3 is taken out, the conical head 33 is rotated, the two arc plates 31 are extruded to expand outwards and are abutted against the inner wall of the mounting groove 22, and the clamping mechanism 3 and the mounting groove 22 are fixed;

two adjacent fixing columns 39 which belong to different clamping bars 36 respectively are pinched by hands, the test tool to be displayed is placed between the two fixing columns 39, the fixing columns 39 are loosened, and the test tool can be clamped by restoring force provided by the second springs 37 for rotation of the two clamping bars 36, so that display is facilitated.

When the foldable cabinet is required to be stored in an idle state, the cabinet plates 11 on two sides are pushed, the adjacent folding plates 12 are turned over, at the moment, the cabinet plates 11 drive the moving plate 15 to move along the T-shaped groove direction of the T-shaped sliding rail 16, and meanwhile, the telescopic rods 13 at the bottom of the cabinet plates 11 are synchronously contracted, so that the large-amplitude contraction of the foldable cabinet is realized, and the space occupation is reduced.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims

1. A test bed for physical experiments is characterized by comprising a storage mechanism (1), a display mechanism (2) and a plurality of clamping mechanisms (3);

the article placing mechanism (1) comprises two cabinet plates (11); a plurality of folding plates (12) are hinged between the two cabinet plates (11); the folding plates (12) are mutually connected; the same side of the two cabinet plates (11) is fixedly connected with a push-pull assembly; two sides of the bottom surfaces of the two cabinet plates (11) are respectively and fixedly provided with a telescopic rod (13);

the display mechanism (2) comprises a table top (21) and a lifting assembly; the bottom surface of the table top (21) is in sliding contact with the top surface of the cabinet plate (11); the top surface of the table top (21) is provided with a plurality of mounting grooves (22); the mounting groove (22) is internally and slidably connected with a blocking block (23); the clamping mechanisms (3) are detachably connected in the mounting grooves (22) respectively; the lifting component is hinged with one side of the table top (21); the lifting assembly is fixedly connected with the push-pull assembly.

2. A test stand for physical experiments according to claim 1, wherein: the push-pull assembly comprises a fixed plate (14) and two moving plates (15); one side surface of the moving plate (15) is fixedly connected with one side surface of the cabinet plate (11); a T-shaped sliding rail (16) is embedded in the middle of the fixing plate (14); two ends of a T-shaped groove in the T-shaped sliding rail (16) are fixedly connected with limiting blocks (17) respectively; a T-shaped block (18) which is connected with the T-shaped groove in a sliding way is arranged between the two limiting blocks (17); the T-shaped block (18) is fixedly connected with one side surface of the moving plate (15) far away from the cabinet plate (11); the fixed plate (14) is far away from one side face of the cabinet plate (11) and fixedly connected with the lifting assembly.

3. A test stand for physical experiments according to claim 2, wherein: the lifting assembly comprises a sleeve (24); the bottom end of the inner cavity of the sleeve (24) is fixedly connected with a telescopic motor (25); the output end of the telescopic motor (25) is fixedly connected with a sliding rod (26); the sliding rod (26) is connected with the inner wall of the sleeve (24) in a sliding manner; the top surface of the sliding rod (26) is hinged with one side surface of the table top (21); the side surface of the sleeve (24) is fixedly connected with the fixing plate (14).

4. A test stand for physical experiments according to claim 1, wherein: the clamping mechanism (3) comprises a fixing component and a clamping component; the fixing component comprises two arc plates (31); the two arc plates (31) are arranged oppositely; a first spring (32) is fixedly connected between the two arc plates (31); the inner walls of the two arc plates (31) are in threaded connection with conical heads (33); a plurality of connecting columns (34) are fixedly connected between any arc plate (31) and the clamping assembly; the outer side surface of the arc plate (31) is abutted against the inner wall of the mounting groove (22).

5. A test bench for physical experiments, according to claim 4, characterized in that: the clamping assembly comprises a fixed disc (35); a plurality of connecting columns (34) are fixedly connected between any one of the arc plates (31) and the bottom surface of the fixed disc (35); the center of the top surface of the fixed disc (35) is respectively and rotatably connected with two clamping rods (36); the middle parts of the two clamping rods (36) are hinged with each other; clamping blocks (38) and second springs (37) are symmetrically arranged between the opposite side surfaces of the two clamping rods (36) respectively; the bottom surface of the clamping block (38) is fixedly connected with the top surface of the fixed disc (35); an arc-shaped guide groove is formed in one side face, away from the center of the fixed disc (35), of the clamping block (38); the second spring (37) is arranged in the arc-shaped guide groove; and two ends of the top surface of the clamping rod (36) are fixedly connected with fixing columns (39) respectively.

6. A test bench for physical experiments, according to claim 5, characterized in that: the second spring (37) and the clamping block (38) are provided with two blocks.

7. A test bench for physical experiments, according to claim 5, characterized in that: the outer side face of the fixing column (39) is sleeved with a sponge sleeve (4).

8. A test bench for physical experiments, according to claim 4, characterized in that: and an auxiliary ring (5) is fixedly connected to the top surface of the conical head (33).