CN214974179U

CN214974179U - Independent experiment table for school

Info

Publication number: CN214974179U
Application number: CN202121400694.XU
Authority: CN
Inventors: 柏立培
Original assignee: Suzhou Onaway Experimental Equipment Co ltd
Current assignee: Suzhou Onaway Experimental Equipment Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2021-12-03
Anticipated expiration: 2031-06-23

Abstract

The utility model relates to the technical field of school test-bed, and discloses an independent test-bed for schools, which solves the problem that the test-bed on the market at present has no device for fixing test-tubes, and the test-tubes need to be held by hands when performing experiments, thereby bringing high danger, and comprises an operation-bed, wherein the bottom of the operation-bed is fixedly connected with four table legs, the upper end of the operation-bed is provided with a first chute, the inner cavity of the first chute is inserted with a first slide bar capable of sliding left and right, the side surface of the first slide bar is provided with a limit groove, the inner cavity of the limit groove is inserted with a connecting frame capable of rotating in the limit groove, the top of the first slide bar is provided with a fixed part capable of fixing the connecting frame, the connecting frame is fixedly connected with a clamping part for fixing the test-tubes at one end far away from the first slide bar, the surface of the clamping part is provided with an elastic part for taking and placing the test-tubes, the utility model discloses, have and carry out the benefit that the centre gripping was carried out to the test tube.

Description

Independent experiment table for school

Technical Field

The utility model belongs to the technical field of school's test bench, specifically be an independent laboratory bench for school.

Background

The experiment, one of the basic methods of scientific research, according to the purpose of scientific research, get rid of the external influence as much as possible, highlight the main factors and utilize some special instruments and equipment, and artificially reform, control or simulate the research object, so that some things occur or reappear, thereby to know the natural phenomenon, nature and natural law.

However, the test bench on the market still has some problems when being used, some experiments are performed by using test tubes, but most of the test benches are not provided with a device capable of fixing the test tubes, so that the test tubes are very dangerous to hold by hands when the chemical substances in the test tubes are tested, and therefore, a separate test bench for schools is provided.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides an independent laboratory bench for school, the effectual laboratory bench of having solved on the existing market can not carry out the device of fixing to the test tube, need handheld test tube when testing to can bring high dangerous problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an independent laboratory bench for school, includes the operation panel, the bottom rigid coupling of operation panel has four table legs, first spout has been seted up to the upper end of operation panel, the inner chamber of first spout is pegged graft and is had the first slide bar that can carry out horizontal slip, the spacing groove has been seted up to the side of first slide bar, the inner chamber of spacing groove is pegged graft and is had and to carry out the pivoted link in the spacing groove, the top of first slide bar is equipped with and carries out the fixed part that fixes to the link, the link is located the one end rigid coupling of keeping away from first slide bar and has the clamping part fixed to the test tube, the surface of clamping part is equipped with the elasticity portion when getting the test tube.

Furthermore, the top of the limiting groove is provided with a through hole, the inner cavity of the through hole is rotatably inserted with a fixed shaft, and the threads on the inner surface of the through hole are meshed with the threads on the surface of the fixed shaft.

Furthermore, the fixed stopper that has cup jointed in the circumference surface of link, the top and the bottom of stopper all peg graft at the inner chamber of first slide bar.

Further, the link is located the one end rigid coupling of keeping away from first slide bar and has first splint, the back rigid coupling of first splint has the connecting plate, the top of connecting plate is equipped with the pivot, the other end rigid coupling of connecting plate has second splint, second splint can rotate around the pivot, the side rigid coupling of second splint has the pulling piece.

Further, the surface rigid coupling of first splint has first fixed block, the surface rigid coupling of second splint has the second fixed block, the draw-in groove has been seted up on the surface of first fixed block, the second fixed block is located the side of being close to first fixed block and has seted up the second spout, the inner chamber of second spout slides and pegs graft and have the second slide bar, the one end rigid coupling of second slide bar has the slider, the third spout has been seted up to the side of second spout, the slider slides and pegs graft in the inner chamber of third spout, the surface rigid coupling of second spout has the spring, the one end rigid coupling of spring is on the surface of second slide bar, the surface rigid coupling of second slide bar has the fixture block, the fixture block pegs graft in the inner chamber of draw-in groove.

Furthermore, a groove is formed in one side, close to the first clamping plate and the second clamping plate, and an anti-skid layer is arranged on the inner wall of the groove.

Compared with the prior art, the beneficial effects of the utility model are that:

in operation, through pulling the second slide bar to the outside, the second slide bar will drive the fixture block and follow the roll-off in the draw-in groove, can pull the piece to the right side pulling this moment, the pulling piece will drive the second splint and use the fixed axle to rotate as the centre of a circle to the left side, place the breach department between first splint and the second splint with the test tube this moment, the first splint are pressed close to with the second splint to the anti-province promotion pulling piece this moment, then loosen the hand that pulls the second slide bar, because the pulling force that the spring received has cancelled, so the spring will drive the second slide bar and slide to one side of spring, the second slide bar is because the setting of slider, so the second slide bar will be at the more steady slip of the inner chamber of second spout, go into the inner chamber of draw-in groove when the fixture block card, reached promptly and can fix the effect of doing the experiment to the test tube.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic view of a cross-sectional structure of a connection portion between the first slide bar and the connecting frame of the present invention;

fig. 3 is a schematic top sectional view of the first and second clamping plates according to the present invention;

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

in the figure: 1. an operation table; 2. desk legs; 3. a first chute; 4. a first slide bar; 5. a connecting frame; 6. a first splint; 7. a limiting groove; 8. a limiting block; 9. a through hole; 10. a fixed shaft; 11. a second splint; 12. pulling the block; 13. a connecting plate; 14. a rotating shaft; 15. a first fixed block; 16. a second fixed block; 17. a card slot; 18. a second chute; 19. a spring; 20. a second slide bar; 21. a slider; 22. a third chute; 23. and (7) clamping blocks.

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 some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Embodiment one, given by fig. 1-4, the utility model discloses an operation panel 1, the bottom rigid coupling of operation panel 1 has four table legs 2, first spout 3 has been seted up to the upper end of operation panel 1, the inner chamber of first spout 3 is pegged graft and is had the first slide bar 4 that can carry out the horizontal slip, spacing groove 7 has been seted up to the side of first slide bar 4, the inner chamber of spacing groove 7 is pegged graft and is had and to carry out pivoted link 5 in spacing groove 7, the top of first slide bar 4 is equipped with and to carry out the fixed part that fixes to link 5, link 5 is located the one end rigid coupling of keeping away from first slide bar 4 and has the clamping part fixed to the test tube, the surface of clamping part is equipped with gets the elasticity portion when putting the test tube.

In the second embodiment, on the basis of the first embodiment, the through hole 9 is formed in the top of the limiting groove 7, the fixing shaft 10 is inserted into the inner cavity of the through hole 9 in a rotating mode, the threads on the inner surface of the through hole 9 are meshed with the threads on the surface of the fixing shaft 10, and the fixing shaft 10 can slide in the through hole 9 when rotating due to the arrangement of the threads, so that the effect of fixing the connecting frame 5 can be achieved.

Embodiment three, on the basis of embodiment one, the fixed stopper 8 that has cup jointed in the circumferential surface of link 5, stopper 8's top and bottom are all pegged graft at the inner chamber of first slide bar 4, and the benefit that sets up like this lies in can carrying out link 5 and play a spacing effect to prevent link 5 from following spacing inslot landing, prevented to cause the test tube to damage and even brought dangerous effect.

Fourth embodiment, on the basis of first embodiment, the one end rigid coupling that link 5 is located to keep away from first slide bar 4 has first splint 6, the back rigid coupling of first splint 6 has connecting plate 13, the top of connecting plate 13 is equipped with pivot 14, the other end rigid coupling of connecting plate 13 has second splint 11, second splint 11 can rotate around pivot 14, the side rigid coupling of second splint 11 has pulling piece 12, the cooperation of above device is used, can be to the fixed more firm of test tube.

In the fifth embodiment, on the basis of the fourth embodiment, a first fixing block 15 is fixedly connected to the surface of the first clamping plate 6, a second fixing block 16 is fixedly connected to the surface of the second clamping plate 11, a clamping groove 17 is formed in the surface of the first fixing block 15, a second sliding groove 18 is formed in the side surface of the second fixing block 16, which is close to the first fixing block 15, a second sliding rod 20 is slidably inserted into an inner cavity of the second sliding groove 18, a sliding block 21 is fixedly connected to one end of the second sliding rod 20, a third sliding groove 22 is formed in the side surface of the second sliding groove 18, the sliding block 21 is slidably inserted into an inner cavity of the third sliding groove 22, a spring 19 is fixedly connected to the surface of the second sliding rod 18, one end of the spring 19 is fixedly connected to the surface of the second sliding rod 20, a clamping block 23 is fixedly connected to the surface of the second sliding rod 20, and the clamping block 23 is inserted into the inner cavity of the clamping groove 17, the test tube fixing device has the advantages that the test tube can be fixed and taken down more conveniently, and the test tube fixing device is more stable when the test tube is fixed.

Sixth embodiment, on fourth embodiment's basis, first splint 6 all seted up flutedly with one side that second splint 11 are close to, the inner wall of recess is equipped with the skid resistant course, and the setting of skid resistant course can make more firm when fixing the test tube to prevent that the test tube from the landing between first splint 6 and the second splint 11.

The working principle is as follows: during operation, at first through outside pulling second slide bar 20, second slide bar 20 will drive fixture block 23 and follow the roll-off in draw-in groove 17, can pull pulling block 12 to the right side this moment, pulling block 12 will drive second splint 11 and rotate to the left side with fixed axle 10 as the centre of a circle, place the breach department between first splint 6 and the second splint 11 with the test tube this moment, the province pushes away pulling block 12 and presses close to first splint 6 with second splint 11 this moment, then loosen the hand that pulls second slide bar 20, because the pulling force that spring 19 received has cancelled, so spring 19 will drive second slide bar 20 and slide to one side of spring 19, second slide bar 20 is because the setting of slider 21, so second slide bar 20 will be at the more steady slip of the inner chamber of second spout 18, when fixture block 23 blocks into the inner chamber of draw-in groove 17, the fixing to the test tube has been accomplished promptly.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an independent laboratory bench for school, includes operation panel (1), the bottom rigid coupling of operation panel (1) has four table legs (2), its characterized in that: first spout (3) have been seted up to the upper end of operation panel (1), the inner chamber of first spout (3) is pegged graft and is had first slide bar (4) that can carry out the horizontal slip, spacing groove (7) have been seted up to the side of first slide bar (4), the inner chamber of spacing groove (7) is pegged graft and is had and to carry out pivoted link (5) in spacing groove (7), the top of first slide bar (4) is equipped with and to carry out the fixed part that fixes to link (5), the one end rigid coupling that link (5) are located to keep away from first slide bar (4) has the clamping part fixed to the test tube, the surface of clamping part is equipped with the elasticity portion of getting when the test tube.

2. A self-contained laboratory bench for schools according to claim 1, wherein: the top of the limiting groove (7) is provided with a through hole (9), the inner cavity of the through hole (9) is rotatably inserted with a fixed shaft (10), and the threads on the inner surface of the through hole (9) are meshed with the threads on the surface of the fixed shaft (10).

3. A self-contained laboratory bench for schools according to claim 1, wherein: the fixed stopper (8) that has cup jointed in the circumference surface of link (5), the inner chamber at first slide bar (4) is all pegged graft to the top and the bottom of stopper (8).

4. A self-contained laboratory bench for schools according to claim 1, wherein: one end rigid coupling that link (5) are located to keep away from first slide bar (4) has first splint (6), the back rigid coupling of first splint (6) has connecting plate (13), the top of connecting plate (13) is equipped with pivot (14), the other end rigid coupling of connecting plate (13) has second splint (11), second splint (11) can rotate around pivot (14), the side rigid coupling of second splint (11) has pulling piece (12).

5. A self-contained laboratory bench for schools according to claim 4, wherein: a first fixed block (15) is fixedly connected to the surface of the first clamping plate (6), a second fixed block (16) is fixedly connected to the surface of the second clamping plate (11), a clamping groove (17) is formed in the surface of the first fixed block (15), a second sliding groove (18) is formed in the side, close to the first fixed block (15), of the second fixed block (16), a second sliding rod (20) is inserted into an inner cavity of the second sliding groove (18) in a sliding mode, a sliding block (21) is fixedly connected to one end of the second sliding rod (20), a third sliding groove (22) is formed in the side of the second sliding groove (18), the sliding block (21) is inserted into an inner cavity of the third sliding groove (22) in a sliding mode, a spring (19) is fixedly connected to the surface of the second sliding groove (18), one end of the spring (19) is fixedly connected to the surface of the second sliding rod (20), and a clamping block (23) is fixedly connected to the surface of the second sliding rod (20), the clamping block (23) is inserted in the inner cavity of the clamping groove (17).

6. A self-contained laboratory bench for schools according to claim 4, wherein: the first clamping plate (6) and the second clamping plate (11) are close to each other, one side of each clamping plate is provided with a groove, and the inner wall of each groove is provided with an anti-skid layer.