CN214916278U

CN214916278U - Fixing device for biological experiment instrument

Info

Publication number: CN214916278U
Application number: CN202121327177.4U
Authority: CN
Inventors: 刘凯波
Original assignee: Wuhan Jieyangsheng Technology Co ltd
Current assignee: Wuhan Jieyangsheng Technology Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2021-11-30
Anticipated expiration: 2031-06-15

Abstract

The utility model discloses a fixing device for a biological experimental instrument, which comprises a bottom plate, wherein the upper surface of the bottom plate is symmetrically and fixedly provided with vertical plates, the surfaces of two groups of vertical plates are respectively provided with a clamping and fixing mechanism, the upper surface of the bottom plate is fixedly provided with a lifting mechanism, compared with the prior art, the first rotating handle drives a rotating rod to rotate by screwing a first rotating handle, the rotating rod drives a worm to rotate, the worm drives a worm wheel to rotate, the worm wheel drives the first rotating rod to rotate, the first rotating rod drives a clamping seat to move through a first connecting plate, simultaneously, the second rotating rod and the second connecting plate synchronously rotate, the biological experimental instrument to be fixed is placed on the upper surface of a placing plate, the clamping seats are oppositely moved through a reverse knob of the first rotating handle, the knob of the first rotating handle is stopped after the clamping seat clamps the biological experimental instrument, thereby completing the clamping and fixing of the biological experimental instrument, thereby effectively improving the stability of the follow-up use of the biological experiment instrument.

Description

Fixing device for biological experiment instrument

Technical Field

The utility model relates to a fixed technical field of laboratory glassware specifically is a biological assay instrument fixing device.

Background

A biological experimental instrument: is an instrument used in the concrete experiment of biological science and an instrument used in biological or chemical teaching. Modern common experimental instruments include test tubes, beakers, evaporating dishes, crucibles, alcohol lamps, buchner funnels, gas washing bottles, drying tubes, tray balances, measuring cylinders, volumetric flasks, burettes, measuring devices and the like. The prior art biological experiment instrument has the following problems when in use:

when the staff of professor uses biological experiment instrument, because biological experiment instrument among the prior art lacks fixing device, lead to using the in-process of biological experiment instrument, biological experiment instrument is comparatively unstable, and the height of unable convenient regulation biological experiment instrument, has seriously influenced the teaching effect, for this reason, we propose a biological experiment instrument fixing device and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a biological assay instrument fixing device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a fixing device for a biological experiment instrument comprises a bottom plate, wherein vertical plates are symmetrically and fixedly arranged on the upper surface of the bottom plate, clamping and fixing mechanisms are arranged on the surfaces of the two vertical plates, and a lifting mechanism is fixedly arranged on the upper surface of the bottom plate;

centre gripping fixed establishment is including rotary rod and grip slipper, and is two sets of the guide way has all been seted up to one side of riser, and is two sets of the equal sliding connection in surface of guide way has the guide block, rotary rod and guide block rotate to connect, and is two sets of the equal fixedly connected with adapter sleeve of opposite side of guide block, one side of adapter sleeve and one side active contact of riser, the one end of rotary rod and one side of adapter sleeve rotate to be connected, the equal symmetry in surface of adapter sleeve and grip slipper is rotated and is connected with first dwang and second dwang, the fixed worm wheel that has cup jointed of the outer wall of first dwang, the first connecting plate of fixedly connected with between the first dwang, fixedly connected with second connecting plate between the second dwang, the one end fixedly connected with worm of rotary rod, worm and worm wheel meshing are connected.

Preferably, the four corners of the bottom end of the bottom plate are fixedly provided with stabilizing seats.

Preferably, one end of the rotating rod is fixedly connected with a first rotating handle.

Preferably, through grooves are symmetrically formed in one side of each of the two groups of clamping seats.

Preferably, the ascending mechanism is including placing the board, the lower surface of grip slipper and the upper surface movable contact who places the board, the equal fixed mounting in bottom four corners department of placing the board has flexible guide bar, the lower extreme of flexible guide bar and the last fixed surface of bottom plate are connected, one side fixedly connected with fixing base of placing the board, the fixed surface of fixing base is connected with the thread bush, the inner wall screw thread of thread bush rotates and is connected with the threaded rod, the lower extreme and the bottom plate of threaded rod rotate and connect.

Preferably, the upper end of the threaded rod is fixedly connected with a second rotating handle.

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

1. the first rotating handle is screwed, the first rotating handle drives the rotating rod to rotate, the rotating rod drives the worm to rotate, the worm enables the worm wheel to rotate, the worm wheel drives the first rotating rod to rotate, the first rotating rod drives the clamping seat to move through the first connecting plate, meanwhile, the second rotating rod and the second connecting plate synchronously rotate, the biological experiment instrument to be fixed is placed on the upper surface of the placing plate, the clamping seat moves oppositely through the reverse knob, the first rotating handle is turned after the clamping seat clamps the biological experiment instrument, then the knob is stopped, the clamping and fixing of the biological experiment instrument are completed, and the stability of the biological experiment instrument in subsequent use is effectively improved;

2. through knob second twist grip, second twist grip drives the threaded rod and rotates, when the threaded rod screw thread rotates and make the fixing base with place the board and rise perpendicularly, place the board and drive biological laboratory glassware, grip slipper and guide block rise perpendicularly along the surface synchronization of guide way, stop knob second twist grip again after highly meeting the operational requirement of biological laboratory glassware after the vertical rise, thereby accomplished biological laboratory glassware's altitude mixture control, and then be convenient for the professor personnel use biological laboratory glassware and effectual improvement teaching effect.

Drawings

Fig. 1 is a schematic front side view of the fixing device of the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1 according to the present invention;

fig. 3 is a schematic diagram of the separation of the clamping base and the connecting sleeve of the present invention;

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

in the figure: 1. a base plate; 11. a stabilizing base; 12. a vertical plate; 2. a clamping and fixing mechanism; 21. rotating the rod; 22. a first rotating handle; 23. a guide groove; 24. a guide block; 25. connecting sleeves; 26. a first rotating lever; 261. a worm gear; 262. a first connecting plate; 27. a second rotating lever; 271. a second connecting plate; 28. a worm; 29. a clamping seat; 291. a through groove; 3. a lifting mechanism; 31. placing the plate; 32. a telescopic guide rod; 33. a fixed seat; 34. a threaded sleeve; 35. a threaded rod; 36. a second rotating handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-4, the present invention provides a technical solution: a fixing device for a biological experiment instrument comprises a bottom plate 1, wherein vertical plates 12 are symmetrically and fixedly installed on the upper surface of the bottom plate 1, clamping and fixing mechanisms 2 are arranged on the surfaces of the two sets of vertical plates 12, the clamping and fixing mechanisms 2 can conveniently realize the clamping and fixing of the biological experiment instrument, a lifting mechanism 3 is fixedly arranged on the upper surface of the bottom plate 1, and the lifting mechanism 3 can conveniently realize the height adjustment of the biological experiment instrument;

the clamping and fixing mechanism 2 comprises a rotary rod 21 and a clamping seat 29, the clamping seat 29 can clamp and fix a biological experimental instrument, guide grooves 23 are formed in one sides of two groups of vertical plates 12, guide blocks 24 are connected to the surfaces of the two groups of guide grooves 23 in a sliding manner, the guide blocks 24 can slide along the surface vertical direction of the guide grooves 23, the rotary rod 21 is connected with the guide blocks 24 in a rotating manner, connecting sleeves 25 are fixedly connected to the opposite sides of the two groups of guide blocks 24, the connecting sleeves 25 can drive the guide blocks 24 to move along the surface vertical direction of the guide grooves 23, one side of each connecting sleeve 25 is in movable contact with one side of each vertical plate 12, one end of each rotary rod 21 is connected with one side of each connecting sleeve 25 in a rotating manner, a first rotary rod 26 and a second rotary rod 27 are symmetrically and rotatably connected to the surfaces of the connecting sleeves 25 and the clamping seat 29, a worm wheel 261 is fixedly sleeved on the outer wall of the first rotary rod 26, and the worm wheel 261 can drive the first rotary rod 26 to rotate, first connecting plate 262 of fixedly connected with between the first dwang 26, fixedly connected with second connecting plate 271 between the second dwang 27, the one end fixedly connected with worm 28 of rotary rod 21, worm 28 and worm wheel 261 mesh and connect, through knob rotary rod 21, rotary rod 21 can drive worm 28 and rotate, worm 28 can drive worm wheel 261 and rotate, worm wheel 261 drives first dwang 26 and rotates, first dwang 26 drives holder 29 through first connecting plate 262 and removes, can drive second dwang 27 through second connecting plate 271 when holder 29 removes and rotate, stability when second connecting plate 271 can effectual improvement holder 29 removes.

As an embodiment of the utility model, the equal fixed mounting in bottom four corners department of bottom plate 1 has stable seat 11, and stable seat 11 can effectual improvement bottom plate 1's stability.

As an embodiment of the present invention, the first rotating handle 22 of one end fixedly connected with of rotary rod 21, through the first rotating handle 22 of knob, the first rotating handle 22 can drive rotary rod 21 to rotate.

As an embodiment of the present invention, the through groove 291 is symmetrically formed on one side of the two sets of clamping holders 29, and the angular displacement of the first connecting plate 262 and the second connecting plate 271 can be facilitated by forming the through groove 291.

As an embodiment of the present invention, the ascending mechanism 3 includes the placing plate 31, the biological laboratory apparatus can be placed on the upper surface of placing plate 31, the lower surface of grip slipper 29 and the upper surface movable contact of placing plate 31, the equal fixed mounting in bottom four corners department of placing plate 31 has flexible guide bar 32, flexible guide bar 32 can extend along with the rising of placing plate 31, the lower extreme of flexible guide bar 32 and the upper surface fixed connection of bottom plate 1, one side fixedly connected with fixing base 33 of placing plate 31, the fixed surface of fixing base 33 is connected with thread bush 34, the inner wall screw thread of thread bush 34 rotates and is connected with threaded rod 35, the lower extreme and the bottom plate 1 of threaded rod 35 rotate and connect, through knob threaded rod 35, threaded rod 35 can make fixing base 33 and place plate 31 vertical lift.

As an embodiment of the present invention, the upper end fixedly connected with second rotating handle 36 of the threaded rod 35, through the knob second rotating handle 36, the second rotating handle 36 can drive the threaded rod 35 to rotate.

The working principle is as follows: when the biological experiment instrument needs to be fixed, the instructor first screws two sets of first rotating handles 22 respectively, the two sets of first rotating handles 22 drive the corresponding rotating rods 21 to rotate, the two sets of rotating rods 21 drive the corresponding worms 28 to rotate, the two sets of worms 28 rotate while rotating the corresponding two sets of worm gears 261, the two sets of worm gears 261 reversely rotate while driving the corresponding first rotating rods 26 to rotate, the multiple sets of first rotating rods 26 rotate while driving the corresponding clamping seats 29 to move through the corresponding first connecting plates 262, at this time, the two sets of clamping seats 29 corresponding to the two sides of the bottom plate 1 are in an open state, meanwhile, the corresponding multiple sets of second rotating rods 27 and the second connecting plates 271 synchronously rotate, and then stops the two sets of first rotating handles 22 until the length between the two sets of clamping seats 29 at the two sides of the bottom plate 1 is greater than the length of the biological experiment instrument to be fixed, then the biological experiment instrument to be fixed is placed on the upper surface of the placing plate 31, the two groups of corresponding clamping seats 29 are moved oppositely by reversely turning the two groups of first rotating handles 22 of the knob until the inner walls of the four groups of clamping seats 29 are tightly contacted with the outer wall of the biological experiment instrument and the biological experiment instrument is clamped tightly, then the two groups of first rotating handles 22 of the knob are stopped, thereby completing the clamping and fixing of the biological experiment instrument, further effectively improving the stability of the subsequent use of the biological experiment instrument, when the height of the fixed biological experiment instrument is required to be adjusted, a teacher firstly uses the second rotating handle 36 of the knob to drive the threaded rod 35 to rotate, the threaded rod 35 rotates and simultaneously vertically raises the fixed seat 33 and the placing plate 31, the placing plate 31 drives the biological experiment instrument on the upper surface thereof, the groups of clamping seats 29 and the two groups of guide blocks 24 to synchronously and vertically raise along the surfaces of the corresponding guide grooves 23, and the multiple groups of telescopic guide rods 32 extend until the height of the biological experiment instrument after vertical rising meets the working requirement, and then the knob second rotating handle 36 is stopped, so that the height adjustment of the biological experiment instrument is completed, and further, the teaching staff can use the biological experiment instrument conveniently and effectively improve the teaching effect.

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. A fixing device for a biological experiment instrument comprises a bottom plate (1), and is characterized in that vertical plates (12) are symmetrically and fixedly installed on the upper surface of the bottom plate (1), clamping and fixing mechanisms (2) are arranged on the surfaces of the two groups of vertical plates (12), and a lifting mechanism (3) is fixedly arranged on the upper surface of the bottom plate (1);

the clamping fixing mechanism (2) comprises a rotating rod (21) and a clamping seat (29), wherein a guide groove (23) is formed in one side of a vertical plate (12), the guide groove (23) is formed in two groups of surfaces of the guide groove (23) are connected with a guide block (24) in a sliding mode, the rotating rod (21) is connected with the guide block (24) in a rotating mode, the two groups of surfaces of the guide block (24) are connected with a connecting sleeve (25) in a rotating mode, one side of the connecting sleeve (25) is in movable contact with one side of the vertical plate (12), one end of the rotating rod (21) is connected with one side of the connecting sleeve (25) in a rotating mode, the surfaces of the connecting sleeve (25) and the clamping seat (29) are connected with a first rotating rod (26) and a second rotating rod (27) in a symmetrical rotating mode, a worm wheel (261) is fixedly sleeved on the outer wall of the first rotating rod (26), and a first connecting plate (262) is fixedly connected between the first rotating rod (26), fixedly connected with second connecting plate (271) between second dwang (27), the one end fixedly connected with worm (28) of rotary rod (21), worm (28) and worm wheel (261) meshing are connected.

2. A biological laboratory instrument holding apparatus according to claim 1, wherein: and stabilizing seats (11) are fixedly arranged at four corners of the bottom end of the bottom plate (1).

3. A biological laboratory instrument holding apparatus according to claim 1, wherein: one end of the rotating rod (21) is fixedly connected with a first rotating handle (22).

4. A biological laboratory instrument holding apparatus according to claim 1, wherein: through grooves (291) are symmetrically formed in one side of each of the two groups of clamping seats (29).

5. A biological laboratory instrument holding apparatus according to claim 1, wherein: the lifting mechanism (3) comprises a placing plate (31), the lower surface of a clamping seat (29) is in movable contact with the upper surface of the placing plate (31), a telescopic guide rod (32) is fixedly mounted at the four corners of the bottom end of the placing plate (31), the lower end of the telescopic guide rod (32) is fixedly connected with the upper surface of a bottom plate (1), a fixed seat (33) is fixedly connected with one side of the placing plate (31), a threaded sleeve (34) is fixedly connected with the surface of the fixed seat (33), a threaded rod (35) is rotatably connected with the inner wall thread of the threaded sleeve (34), and the lower end of the threaded rod (35) is rotatably connected with the bottom plate (1).

6. A biological laboratory instrument holding apparatus according to claim 5, wherein: the upper end of the threaded rod (35) is fixedly connected with a second rotating handle (36).