CN211555257U

CN211555257U - Multifunctional experiment trolley

Info

Publication number: CN211555257U
Application number: CN202020592133.3U
Authority: CN
Inventors: 靳延; 王贺
Original assignee: Hangzhou New Vision Yangguang Technology Co Ltd
Current assignee: Hangzhou New Vision Yangguang Technology Co Ltd
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2020-09-22
Anticipated expiration: 2030-04-20

Abstract

The utility model provides a multi-functional experiment dolly belongs to experiment teaching aid technical field. It has solved current experiment dolly can not satisfy a plurality of experiments scheduling problem. This multi-functional experiment dolly is including dismantling the automobile body and the concatenation piece that sets up, be provided with the wheel on the automobile body, it is provided with the support to dismantle on the automobile body, be connected with the fixed pulley on the support, the wheel passes through shaft and body connection, the epaxial winding device that has set firmly of shaft, be provided with the through wires hole on the automobile body, can set up the connecting wire between winding device and the fixed pulley, the first end of connecting wire links firmly on winding device, the connecting wire encircles many rings on winding device, the connecting wire passes the through wires hole, the fixed pulley is walked around to the second end of connecting wire, can hang the hook sign indicating number on the second end of connecting wire, the bottom surface of concatenation piece has the slip plane, all. The utility model has the advantages of satisfy a plurality of experiments.

Description

Multifunctional experiment trolley

Technical Field

The utility model belongs to the technical field of the experiment teaching aid, in particular to multi-functional experiment dolly.

Background

In the teaching process of middle school, Newton's law experiment, energy conversion experiment and the like can all use the experiment trolley. And in the experiment teaching aid that has now, set up multiple experiment dolly usually in order to satisfy multiple experiment, but the experiment dolly is of a great variety so that accomodate inconveniently, occupation space is big.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a can satisfy the multi-functional experiment dolly of newton's law experiment and energy conversion experiment simultaneously.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a multifunctional experiment dolly, its characterized in that, is including dismantling the automobile body and the concatenation piece that set up, the automobile body on be provided with the wheel, the automobile body on dismantle and be provided with the support, the support on be connected with the fixed pulley, the wheel pass through shaft and car connection, the shaft on wire winding device has set firmly, the automobile body on be provided with the through wires hole, wire winding device and fixed pulley between can set up the connecting wire, the first end of connecting wire link firmly on wire winding device, the connecting wire on wire winding device encircle the multiring, the connecting wire pass the through wires hole, the second end of connecting wire walk around the fixed pulley, the second end of connecting wire on can hang and be equipped with the hook sign indicating number, the bottom surface of concatenation piece slide plane has, automobile body and concatenation piece on all be provided with the acting as go-between hook.

The utility model discloses a theory of operation: because the setting is dismantled between automobile body and the concatenation piece, when the energy conversion experiment needs to be carried out, take off the concatenation piece to with the support mounting on the automobile body, the connecting wire passes the through wires hole and around on the fixed pulley, and hang on the first end of connecting wire and establish the hook sign indicating number, the hook sign indicating number whereabouts under the effect of gravity, the pulling connecting wire, the connecting wire drives the coiling mechanism rotation, thereby it is rotatory to drive the wheel, the automobile body moves forward. When carrying out the newton's law experiment, need be with the experiment dolly that will have the wheel and the slider that does not have the wheel, because be provided with the wheel on the automobile body, can regard as the experiment dolly that has the wheel to use, and the bottom surface of splice has the slip plane, unloads the splice and can regard as the slider that does not have the wheel to use. This experiment dolly can be through assembling and dismantling the multiple experiment of realization, and application range is extensive, convenient storage, and occupation space is little.

In the multifunctional experiment trolley, the trolley body is provided with an installation groove for connecting the support, and the tail end of the support is inserted into the installation groove and fixed.

In foretell multifunctional experiment dolly, the support include branch and the mount pad that is used for installing the fixed pulley, the mount pad include two engaging lugs, the engaging lug on seted up the mounting hole, the fixed pulley erect on the mounting hole through the connecting axle.

In the multifunctional experiment trolley, the supporting rods are vertically arranged or are arranged in a bent mode.

In the multifunctional experiment trolley, the top of the trolley body is provided with the material placing groove, and the splicing blocks can be embedded into the material placing groove.

In the multifunctional experiment trolley, the bottom of the trolley body is provided with a weight reduction groove.

In the multifunctional experiment trolley, the trolley body is provided with a plurality of lightening holes.

In foretell multifunctional experiment dolly, the front side and the rear side of the bottom of automobile body all be provided with the splice bar that is used for erectting the shaft, the automobile body on seted up the groove of stepping down, the groove of stepping down make automobile body and wheel noninterfere.

In the above multifunctional experiment trolley, the winding device comprises a connecting sleeve rod and line blocking blocks arranged on two sides of the connecting sleeve rod, a connecting hole for a wheel shaft to pass through is formed in the connecting sleeve rod, a line fixing hole is formed in the line blocking block, the second end of the connecting line penetrates through the line fixing hole and is fixed, and a tight fit groove is formed in the connecting sleeve rod.

In the multifunctional experiment trolley, the splicing blocks are provided with at least one counterweight groove.

Compared with the prior art, the utility model has the advantages of can satisfy multiple experiment.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the energy conversion experiment of the present invention.

Fig. 3 is a schematic structural diagram of the energy conversion experiment of the present invention.

Fig. 4 is a schematic sectional view of the energy conversion experiment of the present invention.

Fig. 5 is a schematic structural view of the vehicle body in the bottom view direction of the present invention.

In the figure, 1, a vehicle body; 2. a support; 3. a fixed pulley; 4. a wheel; 5. a wheel axle; 6. a winding device; 7. Threading holes; 8. a connecting wire; 9. hooking codes; 10. mounting grooves; 11. a strut; 12. a mounting seat; 13. connecting lugs; 14. mounting holes; 15. a material placing groove; 16. a weight reduction groove; 17. lightening holes; 18. connecting ribs; 19. A yielding groove; 20. connecting the loop bar; 21. a wire blocking block; 22. connecting holes; 23. a wire fixing hole; 24. a close fit groove; 25. splicing blocks; 26. a wire drawing hook; 27. and a counterweight groove.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-5, this multi-functional experiment dolly, including dismantling automobile body 1 and the concatenation piece 25 that sets up, be provided with wheel 4 on the automobile body 1, it is provided with support 2 to dismantle on the automobile body 1, be connected with fixed pulley 3 on the support 2, wheel 4 is connected with automobile body 1 through shaft 5, winding device 6 has set firmly on the shaft 5, be provided with through wires hole 7 on the automobile body 1, can set up connecting wire 8 between winding device 6 and the fixed pulley 3, the first end of connecting wire 8 links firmly on winding device 6, connecting wire 8 winds many circles on winding device 6, connecting wire 8 passes through wires hole 7, fixed pulley 3 is walked around to the second end of connecting wire 8, hook sign indicating number 9 can be hung on the second end of connecting wire 8, the bottom surface of concatenation piece 25 has the slip plane, all be provided with the hook 26 on automobile body 1 and the concatenation piece 25. The front and rear ends of the splice 25 are provided with wire-pulling hooks 26.

In more detail, the car body 1 is provided with an installation groove 10 for connecting the bracket 2, and the tail end of the bracket 2 is inserted into the installation groove 10 and fixed. This setting makes support 2, with automobile body 11, between dismantle the setting, convenient storage. The bottom of the mounting groove 10 is provided with a material removing hole. The support 2 is provided with a material reducing groove, and a reinforcing rib is arranged in the material reducing groove. The material that subtracts the silo can reduce production support 2 practices thrift manufacturing cost, and the strengthening rib can be so that guarantee support 2's intensity after subtracting the material, sound construction.

In further detail, the support 2 comprises a supporting rod 11 and a mounting seat 12 for mounting the fixed pulley 3, the mounting seat 12 comprises two connecting lugs 13, a mounting hole 14 is formed in each connecting lug 13, and the fixed pulley 3 is erected on the mounting hole 14 through a connecting shaft. This arrangement makes the mounting of the fixed sheave 3 firm.

In further detail, the supporting rod 11 is vertically arranged or is bent. This setting can use the branch 11 of vertical setting or the crooked branch 11 that sets up according to the experiment demand.

In further detail, the top of the car body 1 is provided with a material placing groove 15, and the splicing block 25 can be embedded into the material placing groove 15. Put and to place hook sign indicating number 9 in the silo 15 to change the weight of automobile body 1 according to the experimental demand, thereby supply student or mr's record. And because automobile body 1 is the motion, set up and put silo 15 after, can prevent that hook sign indicating number 9 from dropping from automobile body 1, the going on of convenient experiment practices thrift the test time. And the splice 25 can cooperate with material containing groove 15 at the same time, simple in construction, the operation mode is many.

More specifically, the bottom of the vehicle body 1 is provided with a weight reduction groove 16. This setting can reduce the use of material, practices thrift manufacturing cost.

More specifically, the vehicle body 1 is provided with a plurality of lightening holes 17. The lightening holes 17 are hexagonal and are regularly arranged on the vehicle body 1, so that the use of materials of the vehicle body 1 is further reduced, and the appearance is attractive.

In more detail, the front side and the rear side of the bottom of the vehicle body 1 are both provided with connecting ribs 18 for erecting the wheel axle 5, the vehicle body 1 is provided with a yielding groove 19, and the yielding groove 19 enables the vehicle body 1 and the wheel 4 not to interfere with each other. This setting makes wheel 4 be located the below of automobile body 1 lateral wall for automobile body 1 reduces the volume of automobile body 1 as far as possible under the circumstances of guaranteeing the operation stability. And a connecting rib 18 provided at the bottom of the vehicle body 1 is used for mounting the wheel axle 5.

In detail, the winding device 6 includes a connecting sleeve rod 20 and a wire blocking block 21 arranged on two sides of the connecting sleeve rod 20, a connecting hole 22 for the wheel shaft 5 to pass through is formed in the connecting sleeve rod 20, a wire fixing hole 23 is formed in the wire blocking block 21, the second end of the connecting wire 8 passes through the wire fixing hole 23 and is fixed, and a tight fit groove 24 is formed in the connecting sleeve rod 20. This setting can make winding device 6 and shaft 5 firm in connection, and keeps off line piece 21 and makes things convenient for winding of connecting wire 8 to establish, prevents that connecting wire 8 from surpassing winding device 6's scope, and can prevent that connecting wire 8 from twining and knoing. The solidus hole 23 can make the connection of connecting wire 8 more stable, and tight-fitting groove 24 can make winding device 6 can strut connecting hole 22 when receiving along axial force, conveniently locates the shaft 5 with winding device 6 cover on, and winding device 6 cover behind shaft 5, can laminate more with shaft 5 under the effect of elasticity, prevents that shaft 5 and winding device 6 from skidding the condition that influences the experimental data.

In more detail, the splicing block 25 is provided with at least one counterweight groove 27. This setting is convenient to place hook sign indicating number 9 on concatenation piece 25, is difficult for dropping.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although a large number of terms are used here more, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The multifunctional experiment trolley is characterized by comprising a trolley body (1) and splicing blocks (25) which are detachably arranged, wheels (4) are arranged on the trolley body (1), a support (2) is detachably arranged on the trolley body (1), a fixed pulley (3) is connected on the support (2), the wheels (4) are connected with the trolley body (1) through wheel shafts (5), a winding device (6) is fixedly arranged on the wheel shafts (5), a threading hole (7) is formed in the trolley body (1), a connecting wire (8) can be arranged between the winding device (6) and the fixed pulley (3), the first end of the connecting wire (8) is fixedly connected to the winding device (6), the connecting wire (8) is wound on the winding device (6) for multiple circles, the connecting wire (8) penetrates through the threading hole (7), and the second end of the connecting wire (8) is connected with the fixed pulley (3), the second end of the connecting wire (8) can be hung with a hook code (9), the bottom surface of the splicing block (25) is provided with a sliding plane, and the vehicle body (1) and the splicing block (25) are provided with a stay wire hook (26).

2. The multifunctional experiment trolley according to claim 1, wherein the trolley body (1) is provided with a mounting groove (10) for connecting the support (2), and the tail end of the support (2) is inserted into the mounting groove (10) and fixed.

3. The multifunctional experiment trolley as claimed in claim 1, wherein the support (2) comprises a support rod (11) and a mounting seat (12) for mounting the fixed pulley (3), the mounting seat (12) comprises two connecting lugs (13), a mounting hole (14) is formed in each connecting lug (13), and the fixed pulley (3) is erected on the mounting hole (14) through a connecting shaft.

4. A multifunctional laboratory trolley according to claim 3, characterized in that the supporting bars (11) are arranged vertically or in a curved manner.

5. The multifunctional experiment trolley as claimed in claim 1, wherein a material placing groove (15) is formed in the top of the trolley body (1), and the splicing blocks (25) can be embedded into the material placing groove (15).

6. The multifunctional laboratory trolley according to claim 1, wherein the bottom of the trolley body (1) is provided with a weight reduction groove (16).

7. The multifunctional laboratory trolley according to claim 1, wherein the trolley body (1) is provided with a plurality of lightening holes (17).

8. The multifunctional experiment trolley according to claim 1, characterized in that connecting ribs (18) for erecting the wheel shafts (5) are arranged on the front side and the rear side of the bottom of the trolley body (1), a yielding groove (19) is formed in the trolley body (1), and the trolley body (1) and the wheels (4) are not interfered with each other due to the yielding groove (19).

9. The multifunctional experiment trolley according to claim 1, wherein the winding device (6) comprises a connecting sleeve rod (20) and line blocking blocks (21) arranged on two sides of the connecting sleeve rod (20), a connecting hole (22) for a wheel shaft (5) to pass through is formed in the connecting sleeve rod (20), a line fixing hole (23) is formed in the line blocking block (21), the second end of the connecting line (8) passes through the line fixing hole (23) and is fixed, and a close-fitting groove (24) is formed in the connecting sleeve rod (20).

10. A multifunctional laboratory trolley according to claim 1, characterized in that the splicing blocks (25) are provided with at least one counterweight groove (27).