CN220071723U

CN220071723U - Workbench convenient to adjust for chemical reagent experiments

Info

Publication number: CN220071723U
Application number: CN202321280636.7U
Authority: CN
Inventors: 邱锦龙
Original assignee: Jiangxi Ruiweier Biotechnology Co ltd
Current assignee: Jiangxi Ruiweier Biotechnology Co ltd
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2023-11-24
Anticipated expiration: 2033-05-25

Abstract

The utility model discloses a workbench for chemical reagent experiments, which comprises a fixing frame, wherein universal wheels are fixedly connected to four corners of the bottom of the fixing frame, a fixing shell is fixedly connected to the bottom of an inner cavity of the fixing frame, sliding grooves are formed in the front side and the rear side of two sides of the inner cavity of the fixing shell, positioning rods are fixedly connected to two sides of the inner cavity of the fixing shell, and a motor is fixedly connected to the top of the fixing frame. According to the utility model, the problems that the reagent storage rack is easy to topple and reagent is damaged due to the fact that the reagent storage rack cannot be fixed by the existing workbench through the matched use of the fixing frame, the universal wheel, the fixing shell, the sliding chute, the locating rod, the motor, the first gear, the second gear, the threaded rod, the threaded sleeve, the locating rack, the first sliding sleeve, the first sliding rod, the workbench body, the telescopic rod, the limiting hole, the locating mechanism, the clamping plate, the second sliding sleeve, the second sliding rod, the reset spring, the fixing ring, the bearing seat and the sliding block are solved.

Description

Workbench convenient to adjust for chemical reagent experiments

Technical Field

The utility model belongs to the technical field of chemical reagents, and particularly relates to a workbench convenient to adjust for a chemical reagent experiment.

Background

The chemical reagent is a relative standard substance for chemical research and component analysis, is an important condition for technological progress, is widely used for synthesizing, separating, qualitatively and quantitatively analyzing substances, can be said to be an eye of a chemical worker, is free from the chemical reagent in daily work of factories, schools, hospitals and research institutions, and needs to be placed on a workbench during experiments, so that the workbench for the experiment of the chemical reagent is needed in the technical field of the chemical reagent, and is convenient to adjust.

For example, application number: the utility model provides a chemical laboratory bench for a chemical laboratory, and relates to the technical field of chemical laboratories. The chemical laboratory bench comprises a bottom plate, wherein the left side surface and the right side surface of the bottom plate are fixedly connected with side plates, two side plates are mutually close to one another, the lower part of one side is fixedly connected with a bearing, the inner ring of the bearing is sleeved with a positive and negative threaded rod, the outer surface of the positive and negative threaded rod is in threaded connection with a threaded block, and the front surface and the back surface of each threaded block are respectively connected with a connecting plate through pin shafts in a rotating mode. This chemistry experiment is chemical laboratory is with bench through setting up positive and negative threaded rod and workstation, can drive the workstation through rotating positive and negative threaded rod and reciprocate, and then can the height of chemical laboratory personnel's workstation be adjusted to the height of chemical laboratory bench, thereby make things convenient for chemical laboratory personnel to carry out chemical experimental study, solved general chemical laboratory bench can not be to the problem of adjusting the height of chemical laboratory bench, have the comfort level that improves chemical laboratory personnel, improve the speed of chemical laboratory personnel research and development.

Based on the retrieval of above-mentioned patent to and combining workstation discovery among the prior art, above-mentioned workstation is when using, can mediate the height of workstation, improves chemistry experiment personnel's comfort level, but current workstation can't fix reagent storage rack, leads to reagent storage rack to take place to empty easily, thereby causes reagent damage.

According to the workbench for the chemical reagent experiment, which is convenient to adjust, the motor drives the threaded rod to rotate, so that the height of the workbench can be adjusted, workers with different heights can use the workbench conveniently, the reagent storage rack can be fixed, and the stability of the reagent storage rack is improved.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides the workbench for the chemical reagent experiment, which is convenient to adjust, has the advantages of fixing the reagent storage rack and adjusting the height of the workbench, and solves the problems that the reagent storage rack is easy to topple down due to the fact that the conventional workbench cannot fix the reagent storage rack, so that the reagent is damaged.

The utility model is realized in such a way, the workbench for the chemical reagent experiment convenient to adjust comprises a fixing frame, universal wheels are fixedly connected to four corners at the bottom of the fixing frame, a fixing shell is fixedly connected to the bottom of an inner cavity of the fixing frame, sliding grooves are formed in the front side and the rear side of two sides of the inner cavity of the fixing shell, positioning rods are fixedly connected to two sides of the inner cavity of the fixing shell, a motor is fixedly connected to the top of the fixing frame, a first gear is fixedly connected to the output end of the motor, a second gear is connected to the left side of the first gear in a meshed manner, a threaded rod is fixedly connected to the inner cavity of the second gear, the bottom of the threaded rod is movably connected with the inner wall of the fixing frame, the top of the threaded rod is movably connected with the bottom of one of the positioning rods, a threaded sleeve is sleeved on the surface of the threaded rod, and the right side of the threaded sleeve is fixedly connected with a positioning frame, the two sides of the locating rack are movably connected with the inner wall of the fixed shell, the right side of the bottom of the locating rack is fixedly connected with a first sliding sleeve, the inner cavity of the first sliding sleeve is movably connected with a first sliding rod, the bottom of the first sliding rod is fixedly connected with the inner wall of the fixed frame, the top of the first sliding rod is fixedly connected with the other locating rod, the top of the locating rack is fixedly connected with a workbench body, four corners of the bottom of the workbench body are fixedly connected with telescopic rods, the bottom of the telescopic rods is fixedly connected with the top of the fixed frame, two sides of the bottom of the inner cavity of the workbench body are provided with limiting holes, the inner cavity of the limiting holes is movably connected with a locating mechanism, the locating mechanism comprises a locating shell, one side of the two locating shells opposite to each other is fixedly connected with a clamping plate, the front side and the rear side of the bottom of the clamping plate are fixedly connected with a second sliding sleeve, the inner cavity swing joint of second sliding sleeve has the second slide bar, the both sides of second slide bar all with the inner wall fixed connection of workstation body, the equal fixedly connected with reset spring in the opposite side of two second sliding sleeves, one side that reset spring kept away from the second sliding sleeve and the inner wall fixed connection of workstation body.

As the preferable mode of the utility model, the front side and the rear side of the inner cavity of the positioning shell are respectively provided with a positioning groove, the front side and the rear side of the top of the inner cavity of the positioning shell are respectively fixedly connected with a first spring, a positioning plate is fixedly connected between the bottoms of the two first springs, the front side and the rear side of the positioning plate are respectively movably connected with the inner wall of the positioning shell, the top of the positioning plate is fixedly connected with a pull rod, the top of the pull rod penetrates through the top of the positioning shell, the bottom of the positioning plate is fixedly connected with a limiting rod, and the bottom of the limiting rod is movably connected with the inner wall of the limiting hole.

As the preferable mode of the utility model, the front side and the rear side of the positioning shell are fixedly connected with the fixing blocks, and one side of the fixing blocks, which is far away from the positioning shell, is fixedly connected with the surface of the clamping plate.

As the preferable mode of the utility model, the front side and the rear side of the positioning plate are fixedly connected with positioning blocks, and one side of the positioning block away from the positioning plate is movably connected with the inner wall of the positioning groove.

As the preferable mode of the utility model, the surface of the motor is sleeved with the fixing ring, and the bottom of the fixing ring is fixedly connected with the inner wall of the fixing frame.

As the preferable mode of the utility model, the top and the bottom of the threaded rod are both movably connected with the bearing seat, the bottom of one bearing seat is fixedly connected with the top of the fixing frame, and the top of the other bearing seat is movably connected with the bottom of one positioning rod.

As the preferable mode of the utility model, the front side and the rear side of the two sides of the locating frame are fixedly connected with the sliding blocks, and one side of the sliding blocks, which is far away from the locating frame, is movably connected with the inner wall of the sliding groove.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the problems that the reagent storage rack is easy to topple and reagent is damaged due to the fact that the reagent storage rack cannot be fixed by the existing workbench through the matched use of the fixing frame, the universal wheel, the fixing shell, the sliding chute, the locating rod, the motor, the first gear, the second gear, the threaded rod, the threaded sleeve, the locating rack, the first sliding sleeve, the first sliding rod, the workbench body, the telescopic rod, the limiting hole, the locating mechanism, the clamping plate, the second sliding sleeve, the second sliding rod, the reset spring, the fixing ring, the bearing seat and the sliding block are solved.

2. According to the utility model, through the matched use of the positioning shell, the positioning groove, the first spring, the positioning plate, the pull rod and the limiting rod, when the height of the workbench body is required to be adjusted by a worker, the motor is firstly opened, the output end of the motor drives the first gear to rotate, the first gear drives the second gear to rotate when rotating, the second gear drives the threaded rod to rotate when rotating, the threaded rod drives the threaded sleeve to move upwards when rotating, the threaded sleeve drives the positioning frame to move upwards when moving upwards, the positioning frame drives the workbench body to move upwards when moving upwards through the matching of the first sliding sleeve and the first sliding rod, the height of the workbench body can be adjusted by the positioning frame when moving upwards, the worker can conveniently use workers with different heights, and after the height adjustment of the workbench body is completed, the worker places the reagent storage frame in the inner cavity of the workbench body, then pulls the pull rod upwards, the pull rod upwards drives the positioning plate to move upwards, the first spring is extruded when moving upwards, and drives the limiting rod to move out of the inner cavity of the limiting hole when moving upwards, the second sliding sleeve is driven by the reset spring to drive the second rebound spring to move at the surface of the second sliding sleeve, and the reagent can be prevented from falling off when the positioning frame is fixed by the positioning plate, and the positioning plate is used for clamping the positioning shell, and the reagent can be prevented from falling off when being fixed by the positioning frame.

3. The utility model has the advantages that the fixing function of the motor is realized through the fixing ring, the position of the motor is prevented from shifting when the motor is used, the limit function of the threaded rod is realized through the bearing seat, the threaded rod is convenient to move, the limit function of the locating rack is realized through the matching use of the sliding block and the sliding chute, and the position of the locating rack is prevented from shifting when the locating rack is used.

Drawings

FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present utility model;

FIG. 2 is a front cross-sectional view of a partial structure provided by an embodiment of the present utility model;

FIG. 3 is a front view of a spacer mechanism provided in an embodiment of the present utility model;

fig. 4 is a right side cross-sectional view of a positioning mechanism provided by an embodiment of the present utility model.

In the figure: 1. a fixing frame; 2. a universal wheel; 3. a fixed case; 4. a chute; 5. a positioning rod; 6. a motor; 7. a first gear; 8. a second gear; 9. a threaded rod; 10. a thread sleeve; 11. a positioning frame; 12. a first sliding sleeve; 13. a first slide bar; 14. a workbench body; 15. a telescopic rod; 16. a limiting hole; 17. a positioning mechanism; 1701. positioning a shell; 1702. a positioning groove; 1703. a first spring; 1704. a positioning plate; 1705. a pull rod; 1706. a limit rod; 1707. a fixed block; 1708. a positioning block; 18. a clamping plate; 19. the second sliding sleeve; 20. a second slide bar; 21. a return spring; 22. a fixing ring; 23. a bearing seat; 24. a sliding block.

Detailed Description

For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.

The structure of the present utility model will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, the workbench for chemical reagent experiments, which is convenient to adjust, comprises a fixing frame 1, universal wheels 2 are fixedly connected to four corners at the bottom of the fixing frame 1, a fixing shell 3 is fixedly connected to the bottom of an inner cavity of the fixing frame 1, sliding grooves 4 are formed in the front side and the rear side of two sides of the inner cavity of the fixing shell 3, positioning rods 5 are fixedly connected to two sides of the inner cavity of the fixing shell 3, a motor 6 is fixedly connected to the top of the fixing frame 1, a first gear 7 is fixedly connected to the output end of the motor 6, a second gear 8 is connected to the left side of the first gear 7 in a meshed manner, a threaded rod 9 is fixedly connected to the inner cavity of the second gear 8, the bottom of the threaded rod 9 is movably connected with the inner wall of the fixing frame 1, a thread sleeve 10 is sleeved on the surface of the threaded rod 9, the right side of the thread bush 10 is fixedly connected with a positioning frame 11, both sides of the positioning frame 11 are movably connected with the inner wall of the fixed shell 3, the right side of the bottom of the positioning frame 11 is fixedly connected with a first sliding sleeve 12, the inner cavity of the first sliding sleeve 12 is movably connected with a first sliding rod 13, the bottom of the first sliding rod 13 is fixedly connected with the inner wall of the fixed frame 1, the top of the first sliding rod 13 is fixedly connected with the other positioning rod 5, the top of the positioning frame 11 is fixedly connected with a workbench body 14, four corners of the bottom of the workbench body 14 are fixedly connected with telescopic rods 15, the bottom of the telescopic rods 15 is fixedly connected with the top of the fixed frame 1, both sides of the bottom of the inner cavity of the workbench body 14 are provided with limiting holes 16, the inner cavity of the limiting holes 16 is movably connected with a positioning mechanism 17, the positioning mechanism 17 comprises positioning shells 1701, one side opposite to the two positioning shells 1701 is fixedly connected with clamping plates 18, the front side and the rear side of splint 18 bottom all fixedly connected with second sliding sleeve 19, the inner chamber swing joint of second sliding sleeve 19 has second slide bar 20, the both sides of second slide bar 20 all with the inner wall fixed connection of workstation body 14, the opposite side of two second sliding sleeves 19 all fixedly connected with reset spring 21, reset spring 21 keep away from the inner wall fixed connection of second sliding sleeve 19 one side and workstation body 14.

Referring to fig. 1, 2 and 4, the front side and the rear side of the inner cavity of the positioning shell 1701 are both provided with positioning grooves 1702, the front side and the rear side of the top of the inner cavity of the positioning shell 1701 are both fixedly connected with first springs 1703, a positioning plate 1704 is fixedly connected between the bottoms of the two first springs 1703, the front side and the rear side of the positioning plate 1704 are both movably connected with the inner wall of the positioning shell 1701, the top of the positioning plate 1704 is fixedly connected with a pull rod 1705, the top of the pull rod 1705 penetrates through to the top of the positioning shell 1701, the bottom of the positioning plate 1704 is fixedly connected with a limiting rod 1706, the bottom of the limiting rod 1706 is movably connected with the inner wall of the limiting hole 16, the front side and the rear side of the positioning shell 1701 are both fixedly connected with a fixed block 1707, one side of the fixed block 1707 away from the positioning shell 1701 is fixedly connected with the surface of the clamping plate 18, the front side and the rear side of the positioning plate 1704 are both fixedly connected with a positioning block 1708, and one side of the positioning block 1708 away from the positioning plate 1704 is movably connected with the inner wall of the positioning groove 1702.

The scheme is adopted: through the matching use of the positioning shell 1701, the positioning groove 1702, the first spring 1703, the positioning plate 1704, the pull rod 1705 and the limiting rod 1706, when a worker needs to adjust the height of the workbench body 14, the motor 6 is firstly turned on, the output end of the motor 6 drives the first gear 7 to rotate, the first gear 7 drives the second gear 8 to rotate when rotating, the second gear 8 drives the threaded rod 9 to rotate when rotating, the threaded rod 9 drives the thread bush 10 to move upwards when rotating, the thread bush 10 drives the positioning frame 11 to move upwards when moving upwards, the positioning frame 11 limits the workbench body 14 to move upwards when moving upwards through the matching of the first sliding sleeve 12 and the first sliding rod 13, the height of the workbench body 14 can be adjusted, the workbench body 14 can be conveniently used by workers with different heights, and when the height adjustment of the workbench body 14 is completed, a worker places the reagent storage rack in the inner cavity of the workbench body 14, then pulls the pull rod 1705 upwards, the pull rod 1705 moves upwards to drive the positioning plate 1704 to move upwards, the positioning plate 1704 extrudes the first spring 1703 when moving upwards and drives the limiting rod 1706 to move out of the inner cavity of the limiting hole 16, at the moment, the second sliding sleeve 19 is driven to move on the surface of the second sliding rod 20 by rebound of the reset spring 21, the angle of the clamping plate 18 can be adjusted, the reagent storage rack is clamped and fixed, the stability of the reagent storage rack is improved, the fixing effect on the positioning shell 1701 is achieved through the fixing block 1707, the positioning shell 1701 is prevented from falling off when in use, the limiting effect on the positioning plate 1704 is achieved through the matched use of the positioning block 1708 and the positioning groove 1702, while preventing the positioning plate 1704 from being positionally shifted during use.

Referring to fig. 2 and 3, the surface cover of motor 6 is equipped with solid fixed ring 22, gu fixed ring 22's bottom and the inner wall fixed connection of mount 1, and the top and the bottom of threaded rod 9 all swing joint have bearing frame 23, and the bottom of one of them bearing frame 23 and the top fixed connection of mount 1, the bottom swing joint of another bearing frame 23 and one of them locating lever 5, the front side and the rear side of locating rack 11 both sides are all fixedly connected with slider 24, and the inner wall swing joint of one side and spout 4 that slider 24 kept away from locating rack 11.

The scheme is adopted: through solid fixed ring 22, played the fixed action to motor 6, prevented simultaneously that motor 6 from taking place the skew in the position when using, through bearing frame 23, played the spacing effect to threaded rod 9, made things convenient for threaded rod 9 activity simultaneously, used through the cooperation of slider 24 and spout 4, played the spacing effect to locating rack 11, prevented simultaneously that locating rack 11 from taking place the skew in the position when using.

The working principle of the utility model is as follows:

when in use, when the height of the workbench body 14 needs to be adjusted by a worker, the motor 6 is firstly opened, the output end of the motor 6 drives the first gear 7 to rotate, the first gear 7 drives the second gear 8 to rotate when rotating, the second gear 8 drives the threaded rod 9 to rotate when rotating, the threaded rod 9 drives the threaded sleeve 10 to move upwards, the threaded sleeve 10 drives the positioning frame 11 to move upwards when moving upwards, the positioning frame 11 limits the workbench body 14 to move upwards when moving upwards through the cooperation of the first sliding sleeve 12 and the first sliding rod 13, the height of the workbench body 14 can be adjusted by the positioning frame 11, the workers with different heights can conveniently use the workbench, and after the height adjustment of the workbench body 14 is completed, the worker places the reagent storage frame in the inner cavity of the workbench body 14, then pulls the pull rod 1705 upwards, the pull rod 1705 moves upwards to drive the positioning plate 1704 to move upwards, the positioning plate 1704 extrudes the first spring 1703 when moving upwards, and drives the limiting rod to move upwards from the inner cavity 21 of the limiting hole 16, the second spring 1706 is driven by the reset spring 19 to rebound angle of the second sliding sleeve 19, and the reagent storage frame can be clamped by the second sliding rod 20, and the reagent storage frame can be clamped by the clamping device.

To sum up: this workstation for chemical reagent experiments convenient to adjust through mount 1, universal wheel 2, fixed shell 3, spout 4, locating lever 5, motor 6, first gear 7, second gear 8, threaded rod 9, thread bush 10, locating rack 11, first sliding sleeve 12, first slide bar 13, workstation body 14, telescopic link 15, spacing hole 16, positioning mechanism 17, splint 18, second sliding sleeve 19, second slide bar 20, reset spring 21, solid fixed ring 22, bearing frame 23 and slider 24's cooperation use, has solved current workstation and can't be fixed the reagent storage rack, leads to the reagent storage rack to take place to empty easily to cause the problem of reagent damage.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a workstation for chemical reagent experiments convenient to adjust, includes mount (1), its characterized in that: the four corners of the bottom of the fixing frame (1) are fixedly connected with universal wheels (2), the bottom of the inner cavity of the fixing frame (1) is fixedly connected with a fixing shell (3), the front side and the rear side of the two sides of the inner cavity of the fixing shell (3) are respectively provided with a sliding groove (4), the two sides of the inner cavity of the fixing shell (3) are fixedly connected with positioning rods (5), the top of the fixing frame (1) is fixedly connected with a motor (6), the output end of the motor (6) is fixedly connected with a first gear (7), the left side of the first gear (7) is in meshed connection with a second gear (8), the inner cavity of the second gear (8) is fixedly connected with a threaded rod (9), the bottom of the threaded rod (9) is movably connected with the inner wall of the fixing frame (1), the top of the threaded rod (9) is movably connected with the bottom of one of the positioning rods (5), a threaded sleeve (10) is sleeved on the surface of the threaded rod (9), the right side of the threaded sleeve (10) is fixedly connected with a positioning frame (11), both sides of the positioning frame (11) are movably connected with the inner wall of the fixing shell (3), the right side of the bottom of the positioning frame (11) is fixedly connected with a first sliding sleeve (12), the inner cavity of the first sliding sleeve (12) is movably connected with a first sliding rod (13), the utility model discloses a reset spring device, including fixing frame (1) and fixing frame (1) respectively, the inner wall fixed connection of bottom and fixing frame (1) of first slide bar (13), the top fixedly connected with workstation body (14) of first slide bar (13) and another locating lever (5), the equal fixedly connected with telescopic link (15) in four corners of workstation body (14) bottom, the top fixed connection of bottom and fixing frame (1) of telescopic link (15), spacing hole (16) have all been seted up to the both sides of workstation body (14) inner chamber bottom, the inner chamber swing joint of spacing hole (16) has positioning mechanism (17), positioning mechanism (17) include positioning shell (1701), the equal fixedly connected with splint (18) in one side that two positioning shells (1701) are relative, the equal fixedly connected with second sliding sleeve (19) of front side and the rear side of splint (18) bottom, the inner chamber swing joint of second sliding sleeve (19) second sliding sleeve (20), the both sides of second sliding sleeve (20) all with the inner wall fixed connection of workstation body (14) inner wall fixed connection of two sliding sleeve (21) reset spring device (21) one side that reset spring device is kept away from.

2. A bench for facilitating the regulation of a chemical reagent experiment as defined in claim 1, wherein: positioning grooves (1702) are formed in the front side and the rear side of an inner cavity of the positioning shell (1701), first springs (1703) are fixedly connected to the front side and the rear side of the top of the inner cavity of the positioning shell (1701), positioning plates (1704) are fixedly connected between the bottoms of the two first springs (1703), the front side and the rear side of each positioning plate (1704) are movably connected with the inner wall of the positioning shell (1701), pull rods (1705) are fixedly connected to the top of each positioning plate (1704), the tops of the pull rods (1705) penetrate through the tops of the positioning shell (1701), limiting rods (1706) are fixedly connected to the bottoms of the positioning plates (1704), and the bottoms of the limiting rods (1706) are movably connected with the inner wall of the limiting holes (16).

3. A bench for facilitating the regulation of a chemical reagent experiment as defined in claim 1, wherein: the front side and the rear side of the positioning shell (1701) are fixedly connected with a fixing block (1707), and one side, far away from the positioning shell (1701), of the fixing block (1707) is fixedly connected with the surface of the clamping plate (18).

4. A bench for facilitating the regulation of a chemical reagent experiment as defined in claim 2, wherein: the front side and the rear side of the locating plate (1704) are fixedly connected with locating blocks (1708), and one side, far away from the locating plate (1704), of the locating blocks (1708) is movably connected with the inner wall of the locating groove (1702).

5. A bench for facilitating the regulation of a chemical reagent experiment as defined in claim 1, wherein: the surface of the motor (6) is sleeved with a fixing ring (22), and the bottom of the fixing ring (22) is fixedly connected with the inner wall of the fixing frame (1).

6. A bench for facilitating the regulation of a chemical reagent experiment as defined in claim 1, wherein: the top and the bottom of threaded rod (9) all swing joint have bearing frame (23), and the bottom of one of them bearing frame (23) is fixed connection with the top of mount (1), and the bottom swing joint of the top of another bearing frame (23) and one of them locating lever (5).

7. A bench for facilitating the regulation of a chemical reagent experiment as defined in claim 1, wherein: the front side and the rear side of the two sides of the locating frame (11) are fixedly connected with sliding blocks (24), and one side, far away from the locating frame (11), of each sliding block (24) is movably connected with the inner wall of the sliding groove (4).