CN213394617U

CN213394617U - Gas cylinder fixing device for biological laboratory

Info

Publication number: CN213394617U
Application number: CN202022063108.9U
Authority: CN
Inventors: 苗小荣; 牛俊奇; 朱惠; 苏建睦; 王道波
Original assignee: Yulin Normal University
Current assignee: Yulin Normal University
Priority date: 2020-09-20
Filing date: 2020-09-20
Publication date: 2021-06-08
Anticipated expiration: 2030-09-20

Abstract

The utility model discloses a gas cylinder fixing device is used in biological laboratory, the on-line screen storage device comprises a base, it has the arc groove to open on the base, the arc groove open end is equipped with the arc board that is used for fixed gas cylinder lower extreme, the one end of arc board is articulated with the one end of base side, the other end and the other end activity joint of base side, and the articulated department of arc board and base is connected with torque spring, install the firm ring of liftable on the base, the internally mounted of firm ring has the bandage that is used for fixed gas cylinder upper end, the size of the gas cylinder that this device can be fixed as required is adjusted, thereby can be applicable to fixed multiple size gas cylinder very well, great increase the suitability of this device.

Description

Gas cylinder fixing device for biological laboratory

Technical Field

The utility model relates to a laboratory ware technical field specifically is a gas cylinder fixing device is used in biological laboratory.

Background

The gas chromatography is an analytical detection experimental tool, when in use, a sample to be analyzed is heated and gasified, and then is carried into a chromatographic column through inert gas. Gas chromatography uses high purity inert gas as a carrier gas, some laboratories will have their own nitrogen generator, but cylinder gas, i.e. product gas, is used when nitrogen or argon is used which requires higher purity. When the gas cylinders are used, the vertical state of the upward valves needs to be stably kept, meanwhile, the wall thickness of the steel cylinder is large, the whole weight is large, the stable placement state needs to be kept, and the gas cylinders need to be conveniently separated and replaced along with the exhaustion of gas in the gas cylinders; in addition, different experiments and different conditions according to the experiment dosage and the persistence are adopted, and the sizes of the used gas cylinders are different.

Therefore, the utility model provides a gas cylinder fixing device is used in biological laboratory.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas cylinder fixing device is used in biological laboratory to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gas cylinder fixing device is used in biological laboratory, includes the base, it has the arc groove to open on the base, arc groove open end is equipped with the arc board that is used for fixed gas cylinder lower extreme, the one end of arc board is articulated with the one end of base side, the other end and the other end activity joint of base side, and the articulated department of arc board and base is connected with torsion spring, install the firm ring of liftable on the base, the internally mounted of firm ring has the bandage that is used for fixed gas cylinder upper end.

Preferably, the stabilizing ring is fixedly sleeved outside the threaded sleeve, the threaded sleeve is meshed and connected outside the screw rod, the threaded sleeve is connected with two limiting rods fixedly connected to the base in a sliding mode, the screw rod is connected to the base in a rotating mode, and the upper end of the screw rod is fixedly connected with the handle.

Preferably, the stabilizing ring comprises a connecting block, a first half ring and a second half ring, the connecting block is fixedly connected with the threaded sleeve, one end of the first half ring is hinged to the connecting block, the other end of the first half ring is movably clamped with the second half ring through a clamping frame which is connected with the first half ring in a sliding mode, and the second half ring is hinged to the connecting block.

Preferably, one end of the binding band is fixedly connected with the first semi-ring, and the other end of the binding band passes through the locking cavity in the second semi-ring and is movably clamped with a stop mechanism arranged in the locking cavity;

the locking mechanism comprises a fixed helical tooth and a sliding helical tooth, a locking spring is connected between the sliding helical tooth and the side wall of the locking cavity, and the sliding helical tooth is connected with a push block which is connected to the outer side of the second half ring in a sliding mode through a connecting rod fixedly connected with the sliding helical tooth.

Preferably, fixedly connected with inserted block on the terminal surface of arc board, it has the slot that corresponds each other with the inserted block to open on the base, and the below of slot and the inside that is located the base open have the cavity, there is the roof at the bottom of the chamber of cavity through joint spring coupling, the one end fixedly connected with kelly of roof, other end fixedly connected with foot bar, the upper end of kelly extend to the inside of slot and with the bayonet socket activity joint on the inserted block, the upper end of foot bar extends to the outside of base.

Preferably, the wall of the arc groove is fixedly connected with a rubber pad, and the inner side wall of the arc plate is connected with an extrusion plate through a buffer spring.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a cooperation between screw rod and the swivel nut, realized can highly adjusting to firm ring, thereby can make this device all can fix the gas cylinder of co-altitude not, and through the bandage, cooperation between stripper plate and the buffer spring, realized can all can be fine to the gas cylinder that is less than firm ring and arc groove size play the fixed action, the size of the gas cylinder that this device can be fixed as required is adjusted, thereby can be applicable to the gas cylinder of fixed multiple size very well, great increase the suitability of this device.

Drawings

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

FIG. 2 is a schematic view of a second half ring according to the present invention in an open position;

FIG. 3 is a schematic view of the internal structure of the locking chamber of the present invention;

fig. 4 is an exploded view of the first half-ring and the clamping frame of the present invention;

FIG. 5 is a schematic view of the arc plate of the present invention in an open state;

fig. 6 is a schematic view of the internal structure of the cavity of the present invention;

FIG. 7 is a schematic view of the internal structure of the groove of the present invention;

fig. 8 is a schematic structural view of the arc plate of the present invention.

In the figure: 1. the base, 2, the arc groove, 3, the arc board, 4, the stabilizing ring, 401, the connecting block, 402, first semi-ring, 403, second semi-ring, 404, the clamping frame, 5, the bandage, 6, the swivel nut, 7, the screw rod, 8, the locking chamber, 9, fixed skewed tooth, 10, the slip skewed tooth, 11, the locking spring, 12, the ejector pad, 13, the inserted block, 14, the slot, 15, the cavity, 16, the joint spring, 17, the roof, 18, the kelly, 19, the foot bar, 20, the bayonet socket, 21, the torsion spring, 22, the rubber pad, 23, the buffer spring, 24, the stripper plate, 25, the connecting plate, 26, the fixed axle, 27, the recess, 28, the gag lever post.

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. 1-8, the present invention provides a technical solution: a gas cylinder fixing device for a biological laboratory comprises a base 1, wherein an arc groove 2 is formed in the base 1, an arc plate 3 used for fixing the lower end of a gas cylinder is arranged at the opening end of the arc groove 2, a cylindrical cavity is formed between the arc groove 2 and the arc plate 3 and can be used for fixing the lower end of the gas cylinder, one end of the arc plate 3 is hinged with one end of the side surface of the base 1, the other end of the arc plate 3 is movably clamped with the other end of the side surface of the base 1, as shown in figure 1, two ends of the base 1, which are positioned at one side surface of the notch of the arc groove 2, are respectively connected with two ends of the opening end of the arc plate 3, a torsion spring 21 is connected at the hinged part of the arc plate 3 and the base 1, connecting plates 25 are fixedly connected on the upper end surface and the lower end surface of the base 1, a fixing shaft 26 is fixedly connected on the, and torsion spring 21's one end and fixed axle 26 fixed connection, the other end and the cell wall fixed connection of recess 27, torsion spring 21 can be bounced off arc board 3 when arc board 3 and base 1 are not mutual joint, need not bow the operation when can conveniently changing the gas cylinder this moment, install the steady ring 4 of liftable on the base 1, can come to adjust the height of steady ring 4 according to the height of gas cylinder, the internally mounted of steady ring 4 has bandage 5 that is used for fixing the gas cylinder upper end, overlaps the upper end outside of gas cylinder with steady ring 4, then binds the upper end of gas cylinder through bandage 5 to fix the upper end of gas cylinder.

Particularly, the fixed outside at swivel nut 6 that cup joints of stabilizing ring 4, the outside at screw rod 7 is connected in the meshing of swivel nut 6, and swivel nut 6 and two gag lever post 28 sliding connection of fixed connection on base 1, and gag lever post 28 can make swivel nut 6 only can the up-and-down motion, and swivel nut 6 can drive stabilizing ring 4 up-and-down motion when rotating screw rod 7, screw rod 7 rotates to be connected on base 1, and the upper end fixedly connected with handle of screw rod 7, can rotate screw rod 7 through the handle.

In order to more conveniently sleeve the stabilizing ring 4 outside the gas cylinder, the stabilizing ring 4 may be in a form that the stabilizing ring 4 includes a connecting block 401, a first half ring 402 and a second half ring 403, the connecting block 401 is fixedly connected with a threaded sleeve 6, one end of the first half ring 402 is hinged to the connecting block 401, the other end of the first half ring 402 is movably connected with the second half ring 403 through a clamping frame 404 slidably connected thereto, the clamping frame 404 is U-shaped and has an open end facing downward, one end of the clamping frame 404 is slidably connected with the clamping frame 404 through a sliding slot opened on the first half ring 402, when the first half ring 402 and the second half ring 403 are combined together, the clamping frame 404 can be slid to clamp the second half ring 403, so that the second half ring 403 and the first half ring 402 are connected together, the second half ring 403 is hinged to the connecting block 401, and the end of the second half ring 403, which is not connected with the clamping frame 404, is hinged to the connecting block 401 through a hinge (the first half ring 402 is connected with the connecting block In the same manner), the first half ring 402 or the second half ring 403 may be rotated open, for example, the gas cylinder is placed inside the first half ring 402 and leans against the inner side wall of the first half ring 402, and then the second half ring 403 and the clamping frame 404 are clamped together, so that the gas cylinder is protected by the second half ring 403 and the first half ring 402.

The binding band 5 can be installed inside the stabilizing ring 4 in the following manner, specifically, one end of the binding band 5 is fixedly connected with the first half ring 402, the other end of the binding band 5 passes through the locking cavity 8 in the second half ring 403 and is movably clamped with a stop mechanism arranged inside the locking cavity 8, the stop mechanism can be arranged so that the binding band 5 cannot be pulled when no external force affects the stop mechanism, and therefore, the position of the gas cylinder is fixed by using the binding band 5, and the other end of the binding band 5, which is not connected with the first half ring 402, is fixedly connected with a rigid plastic plate, so that the binding band 5 can better pass through the locking cavity 8 for operation;

the locking mechanism comprises a fixed helical tooth 9 and a sliding helical tooth 10, the fixed helical tooth 9 is fixedly connected inside the locking cavity 8, the sliding helical tooth 10 is slidably connected inside the locking cavity 8, the bandage 5 can pass through the helical tooth 10 and the fixed helical tooth 9 when passing through the locking cavity 8, a locking spring 11 is connected between the sliding helical tooth 10 and the side wall of the locking cavity 8, two ends of the locking spring 11 are respectively fixedly connected with the side wall of the locking cavity 8 and the sliding helical tooth 10, the sliding helical tooth 10 can be matched with the fixed helical tooth 9 to clamp the bandage 5 under the action of the locking spring 11, the bandage cannot be pulled, the sliding helical tooth 10 is connected with a push block 12 which is slidably connected outside the second half ring 403 through a connecting rod fixedly connected with the sliding helical tooth 10, the connecting rod extends to the outside of the locking cavity 8 through a through groove formed in the top of the locking cavity 8 and is fixedly connected with the push block 12, the sliding helical teeth 10 can be prevented from clamping the binding band 5 by pushing the pushing block 12, and the binding band 5 can be pulled towards the inside of the second half ring 403, so that the binding band 5 is prevented from binding the gas cylinder, and the gas cylinder can be replaced.

Specifically, an inserting block 13 is fixedly connected to one end face of the arc plate 3, the arc plate 3 is movably clamped with the base 1 through the inserting block 13, a slot 14 corresponding to the inserting block 13 is formed in the base 1, the inserting block 13 is inserted into the slot 14 when the arc plate 3 is clamped with the base 1, a cavity 15 is formed below the slot 14 and inside the base 1, a cavity bottom of the cavity 15 is connected with a top plate 17 through a clamping spring 16, two ends of the clamping spring 16 are fixedly connected with the cavity bottom of the cavity 15 and the top plate 17 respectively, the clamping spring 16 pushes the top plate 17 upwards, one end of the top plate 17 is fixedly connected with a clamping rod 18, the other end of the top plate is fixedly connected with a pedal rod 19, the upper end of the clamping rod 18 extends into the slot 14 and is movably clamped with a bayonet 20 on the inserting block 13, the upper end of the clamping rod 18 is an arc surface, and the clamping rod 18 is pressed downwards when the inserting block 13 into the slot 14 and the clamping rod 18 are contacted with each other, when kelly 18 and bayonet socket 20 align each other, joint spring 16 can be with kelly 18 upswing, makes its and bayonet socket 20 joint each other, and the upper end of foot bar 19 extends to the outside of base 1, and kelly 18 can follow foot bar 19 and move down together when trampling foot bar 19 downwards to make kelly 18 and bayonet socket 20 break away from the joint, and arc board 3 can be bounced off under torsion spring 21's effect this moment.

For the lower extreme of better fixed gas cylinder, set up stripper plate 24, particularly, fixedly connected with rubber pad 22 on the cell wall of arc groove 2, the setting of rubber pad 22 can play the guard action to the gas cylinder, the inside wall of arc plate 3 is connected with stripper plate 24 through buffer spring 23, and stripper plate 24 can be fixed the lower extreme of gas cylinder under buffer spring 23's effect when with arc plate 3 and base 1 joint.

The working principle is as follows: when the gas cylinder clamping device is used, the second half ring 403 is separated from the first half ring 402, the arc plate 3 is rotated, then the lower end of the gas cylinder can be placed into the arc groove 2, the upper end of the gas cylinder is placed into the first half ring 402, the arc plate 3 is rotated to enable the inserting block 13 to be inserted into the slot 14, the clamping rod 18 and the clamping opening 20 are clamped with each other, the squeezing plate 24 is matched with the rubber pad 22 to fix the lower end of the gas cylinder, the second half ring 403 is contacted with the first half ring 402, the second half ring 403 is connected with the fixing plate 402 through the clamping frame 404, then the pushing block 12 can be pushed, the binding band 5 can penetrate through the locking cavity 8, and the binding band 5 is tensioned to fix the upper end of the gas cylinder;

when the gas cylinder needs to be taken out, the sliding bevel gear 10 is pushed open through the push block 12, the binding band 5 can be pulled open, the upper end of the gas cylinder is loosened through the binding band 5, then the clamping frame 404 is pushed upwards to be not clamped with the second half ring 403, then the second half ring 403 can be rotated open, then the pedal 19 is stepped down to enable the clamping rod 18 to be separated from the clamping connection with the bayonet 20, the arc plate 3 is bounced open under the action of the torsion spring 21, and then the gas cylinder can be taken out.

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 a gas cylinder fixing device is used in biological laboratory, includes base (1), its characterized in that: open on base (1) has arc groove (2), arc groove (2) open end is equipped with arc board (3) that are used for fixed gas cylinder lower extreme, the one end of arc board (3) is articulated with the one end of base (1) side, and the other end is connected with the other end activity joint of base (1) side, and arc board (3) are connected with torsion spring (21) with the articulated department of base (1), install liftable firm ring (4) on base (1), the internally mounted of firm ring (4) has bandage (5) that are used for fixed gas cylinder upper end.

2. The gas cylinder fixing device for the biological laboratory according to claim 1, characterized in that: the fixing sleeve of the stabilizing ring (4) is connected to the outer portion of the threaded sleeve (6) in a sleeved mode, the threaded sleeve (6) is connected to the outer portion of the screw rod (7) in a meshed mode, the threaded sleeve (6) is connected to two limiting rods (28) fixedly connected to the base (1) in a sliding mode, the screw rod (7) is connected to the base (1) in a rotating mode, and the upper end of the screw rod (7) is fixedly connected with the handle.

3. A gas cylinder fixing device is used in biological laboratory according to claim 2, characterized in that: the fixing ring (4) comprises a connecting block (401), a first half ring (402) and a second half ring (403), the connecting block (401) is fixedly connected with a threaded sleeve (6), one end of the first half ring (402) is hinged to the connecting block (401), the other end of the first half ring is movably clamped with the second half ring (403) through a clamping frame (404) which is connected with the first half ring in a sliding mode, and the second half ring (403) is hinged to the connecting block (401).

4. A gas cylinder fixing device is used in biological laboratory according to claim 3, characterized in that: one end of the binding band (5) is fixedly connected with the first half ring (402), and the other end of the binding band passes through the locking cavity (8) in the second half ring (403) and is movably clamped with a locking mechanism arranged in the locking cavity (8);

the locking mechanism comprises fixed inclined teeth (9) and sliding inclined teeth (10), a locking spring (11) is connected between the sliding inclined teeth (10) and the side wall of the locking cavity (8), and the sliding inclined teeth (10) are connected with a push block (12) which is connected to the outer side of the second half ring (403) in a sliding mode through a connecting rod fixedly connected to the sliding inclined teeth (10).

5. The gas cylinder fixing device for the biological laboratory according to claim 1, characterized in that: fixedly connected with inserted block (13) on the terminal surface of arc board (3), it has slot (14) that corresponds each other with inserted block (13) to open on base (1), and the below of slot (14) and the inside that is located base (1) are opened there is cavity (15), be connected with roof (17) through joint spring (16) at the bottom of the chamber of cavity (15), the one end fixedly connected with kelly (18) of roof (17), other end fixedly connected with foot bar (19), the upper end of kelly (18) extend to the inside of slot (14) and with bayonet socket (20) activity joint on inserted block (13), the upper end of foot bar (19) extends to the outside of base (1).

6. The gas cylinder fixing device for the biological laboratory according to claim 1, characterized in that: the rubber pad (22) is fixedly connected to the wall of the arc groove (2), and the inner side wall of the arc plate (3) is connected with the extrusion plate (24) through the buffer spring (23).