CN212189212U - Test tube clamp for analysis laboratory - Google Patents

Abstract

The utility model discloses a test tube clamp is used in analysis laboratory, including a connecting pipe, the upper and lower both ends of a connecting pipe all are equipped with two connecting plates, two the bar gag lever post is installed to the inboard of connecting plate, the connecting plate passes through the cylindric lock with the bar gag lever post and is connected, the lower terminal surface fixed mounting of bar gag lever post one side has No. two springs, the internally mounted of a connecting pipe has No. two connecting pipes, the upper and lower both ends of No. two connecting pipes all are provided with four spacing draw-in grooves, double-deck C type limiting plate is installed on the top of No. two connecting pipes, two handles are all installed at the preceding rear end of double-deck C type limiting plate, the rear end face fixed mounting of handle has the. The utility model discloses simple structure, convenient operation, convenient to use is convenient for adjust the length of No. two connecting pipes, has improved the stability that the device connects simultaneously, is convenient for fix the test tube of equidimension not, has effectively improved the device's utilization ratio.

Description

Test tube clamp for analysis laboratory

Technical Field

The utility model relates to a test tube clamp technical field specifically is a test tube clamp is used in analysis laboratory.

Background

With the rapid development of social economy, the test tube clamp is sleeved from the bottom of the test tube and clamped at one third of the distance from the opening of the test tube or at the middle upper part of the test tube. After clamping, the hand is immediately placed at the long handle, and the thumb is not pressed on the short handle. When taking down, the utility model is taken down from the lower end and does not contact the pipe orifice all the time. Need not constantly to oscillate the test tube when heating the test tube, make and be heated evenly for the centre gripping test tube, so that the experiment, need pay attention to prevent that the corruption from burning during the use, hold the long handle, the thumb is pressed on the long handle, and the test tube clamp generally is wood system, and surfacing, straight, no burr.

However, the existing test tube clamp for the laboratory can only fix test tubes of one type in the using process, the utilization rate is low, and meanwhile, the length of the handle cannot be adjusted, so that the test tube clamp is inconvenient to use; thus, the existing requirements are not met, and for this, a tube holder for an analytical laboratory is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a test tube clamp is used in analysis laboratory to current laboratory that proposes in solving above-mentioned background art can only fix to the test tube of a model in the use, and the utilization ratio is lower, and the while can not adjustment handle's length is not convenient for use the scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: a test tube clamp for an analysis laboratory comprises a first connecting tube, wherein two connecting plates are arranged at the upper end and the lower end of the first connecting tube, a strip-shaped limiting rod is arranged at the inner sides of the two connecting plates, the connecting plates are connected with the strip-shaped limiting rod through cylindrical pins, a second spring is fixedly arranged on the lower end face of one side of the strip-shaped limiting rod, a second connecting tube is arranged inside the first connecting tube, four limiting clamping grooves are arranged at the upper end and the lower end of the second connecting tube, a double-layer C-shaped limiting plate is arranged at the top end of the second connecting tube, two handles are arranged at the front end and the rear end of the double-layer C-shaped limiting plate, a limiting plate is fixedly arranged on the rear end face of each handle, a top plate is fixedly arranged on the rear end face of each limiting plate, a rubber base plate is fixedly arranged on the rear, and the top end of the first spring is provided with a positioning plate.

Preferably, the lower terminal surface of locating plate extends to the inboard of double-deck C type limiting plate, the locating plate passes through screw connection with double-deck C type limiting plate, a spring passes through screw connection with the locating plate, through the cooperation of a spring and locating plate, is convenient for play the positioning action to the limiting plate, can avoid the limiting plate to remove the in-process and produce the displacement.

Preferably, the surface of rubber backing plate is provided with anti-skidding granule, the one end and the roof of rubber backing plate pass through the grafting glue and are connected, through the cooperation of rubber backing plate with the roof, have effectively improved the stability that the device is connected, are convenient for fix spacing to the test tube.

Preferably, the outer surface mounting of handle has the polyurethane sheath, and the polyurethane sheath passes through the adhesive with the handle and is connected, through the cooperation of handle with the polyurethane sheath, has improved user's comfort level, can avoid the handle fish tail user.

Preferably, the cylindrical pin extends to the inner side of the connecting plate, the cylindrical pin is connected with the connecting plate through a cylindrical groove, and the cylindrical pin can be effectively prevented from falling off through the cooperation of the cylindrical pin and the connecting plate, so that the bar-shaped limiting rod can rotate conveniently, and the length of the second connecting pipe can be adjusted conveniently.

Preferably, the outer surface mounting of a connecting pipe has rubber antiskid sheath, and the surface of rubber antiskid sheath is provided with anti-skidding granule, a connecting pipe passes through the grafting and glues with rubber antiskid sheath and is connected, through the cooperation of a connecting pipe and rubber antiskid sheath, avoids droing of the device.

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

1. the utility model discloses a move the handle to one end, the removal of handle has driven the limiting plate to move to one end, through the cooperation of locating plate and arc wall, a spring is compressed, and then has driven the roof to move to one end, at this moment the user can place the test tube into the inboard of double-deck C type limiting plate, later the user loosens the handle, spring-back No. one drives the limiting plate to move to the other end, and then make the rubber backing plate contact with the outside of test tube, be convenient for fix the test tube, through the cooperation of limiting plate and rubber backing plate, be convenient for fix the test tube of different sizes, can avoid droing of test tube, the stability of the device connection has been improved;

2. the utility model discloses an seize the one end of bar gag lever post, and push down the one end of bar gag lever post, No. two springs are compressed, cooperation through connecting plate and cylindric lock, bar gag lever post counter-clockwise turning, and then make the other end and the spacing draw-in groove disconnection of bar gag lever post, the user can adjust the length of No. two connecting pipes as required this moment, later the user loosens the bar gag lever post, No. two spring rebounds, the bar gag lever post clockwise turning has been driven, and then make bar gag lever post card go into the inboard of the spacing draw-in groove of needs, can carry on spacingly to the length of No. two connecting pipes this moment, the device's utilization ratio has been improved.

Drawings

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

fig. 2 is a schematic structural diagram of the limiting plate of the present invention;

fig. 3 is a schematic structural diagram of the bar-shaped limiting rod of the present invention.

In the figure: 1. a first connecting pipe; 2. a second connecting pipe; 3. a double-layer C-shaped limiting plate; 4. a handle; 5. a limiting plate; 6. an arc-shaped slot; 7. a first spring; 8. positioning a plate; 9. a top plate; 10. a rubber pad; 11. a connecting plate; 12. a cylindrical pin; 13. a strip-shaped limiting rod; 14. a second spring; 15. limiting clamping grooves.

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.

Referring to fig. 1 to fig. 3, the present invention provides an embodiment: a test tube clamp for an analysis laboratory comprises a first connecting tube 1, wherein two connecting plates 11 are arranged at the upper end and the lower end of the first connecting tube 1, a strip-shaped limiting rod 13 is arranged at the inner side of each connecting plate 11, the connecting plates 11 are connected with the strip-shaped limiting rod 13 through cylindrical pins 12, a second spring 14 is fixedly arranged on the lower end face of one side of the strip-shaped limiting rod 13, a second connecting tube 2 is arranged inside the first connecting tube 1, four limiting clamping grooves 15 are arranged at the upper end and the lower end of the second connecting tube 2, a double-layer C-shaped limiting plate 3 is arranged at the top end of the second connecting tube 2, two handles 4 are arranged at the front end and the rear end of the double-layer C-shaped limiting plate 3, a limiting plate 5 is fixedly arranged on the rear end face of each handle 4, a top plate 9 is fixedly arranged on the, the inboard of limiting plate 5 is provided with arc wall 6, and a spring 7 is installed to the inboard of arc wall 6, and locating plate 8 is installed on the top of a spring 7, is convenient for play limiting displacement to limiting plate 5.

Further, the lower terminal surface of locating plate 8 extends to the inboard of double-deck C type limiting plate 3, and locating plate 8 passes through screw connection with double-deck C type limiting plate 3, and a spring 7 passes through screw connection with locating plate 8, through the cooperation of a spring 7 with locating plate 8, is convenient for play the positioning action to limiting plate 5, can avoid limiting plate 5 to remove the in-process and produce the displacement.

Further, the surface of rubber backing plate 10 is provided with anti-skidding granule, and the one end of rubber backing plate 10 is connected through grafting glue with roof 9, through the cooperation of rubber backing plate 10 with roof 9, has effectively improved the stability that the device connects, is convenient for fix spacing to the test tube.

Further, the outer surface mounting of handle 4 has the polyurethane sheath, and the polyurethane sheath passes through the adhesive with handle 4 to be connected, through the cooperation of handle 4 with the polyurethane sheath, has improved user's comfort level, can avoid 4 fish tail users of handle.

Further, cylindric lock 12 extends to the inboard of connecting plate 11, and cylindric lock 12 passes through the columnar order groove with connecting plate 11 and is connected, through the cooperation of cylindric lock 12 with connecting plate 11, can effectively avoid droing of cylindric lock 12, and the rotation of the bar gag lever post 13 of being convenient for, and then the length of No. two connecting pipes 2 of adjustment of being convenient for.

Further, the outer surface mounting of a connecting pipe 1 has rubber antiskid sheath, and the surface of rubber antiskid sheath is provided with anti-skidding granule, and a connecting pipe 1 passes through the grafting to be connected with rubber antiskid sheath, through the cooperation of a connecting pipe 1 and rubber antiskid sheath, avoids droing of the device.

The working principle is as follows: when the test tube fixing device is used, a user grasps the handle 4, the handle 4 is moved towards one end, the limiting plate 5 is driven to move towards one end by the movement of the handle 4, the first spring 7 is compressed through the matching of the positioning plate 8 and the arc-shaped groove 6, the top plate 9 is further driven to move towards one end, at the moment, the test tube can be placed into the inner side of the double-layer C-shaped limiting plate 3 by the user, the handle 4 is loosened by the user, the first spring 7 rebounds, the limiting plate 5 is driven to move towards the other end, the rubber base plate 10 is further contacted with the outer side of the test tube, the test tube is convenient to fix, through the matching of the limiting plate 5 and the rubber base plate 10, the test tubes with different sizes can be fixed conveniently, the dropping of the;

later the user grasps the one end of bar gag lever post 13, and push down the one end of bar gag lever post 13, No. two springs 14 are compressed, cooperation through connecting plate 11 and cylindric lock 12, bar gag lever post 13 anticlockwise rotation, and then make the other end and the 15 disconnection in spacing draw-in grooves of bar gag lever post 13, the user can adjust the length of No. two connecting pipes 2 as required this moment, later the user loosens bar gag lever post 13, No. two springs 14 kick-backs, bar gag lever post 13 clockwise turning has been driven, and then make bar gag lever post 13 card go into the inboard of the spacing draw-in groove 15 of needs, can carry on spacingly to the length of No. two connecting pipes 2 this moment, the device's utilization ratio has been improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a test tube clamp is used in analysis laboratory, includes connecting pipe (1), its characterized in that: the upper end and the lower end of the first connecting pipe (1) are respectively provided with two connecting plates (11), the inner sides of the two connecting plates (11) are provided with a bar-shaped limiting rod (13), the connecting plates (11) are connected with the bar-shaped limiting rod (13) through cylindrical pins (12), the lower end face of one side of the bar-shaped limiting rod (13) is fixedly provided with a second spring (14), the inside of the first connecting pipe (1) is provided with a second connecting pipe (2), the upper end and the lower end of the second connecting pipe (2) are respectively provided with four limiting clamping grooves (15), the top end of the second connecting pipe (2) is provided with a double-layer C-shaped limiting plate (3), the front end and the rear end of the double-layer C-shaped limiting plate (3) are respectively provided with two handles (4), the rear end face of each handle (4) is fixedly provided with a limiting plate (5), and the, the rear end face fixed mounting of roof (9) has rubber backing plate (10), the inboard of limiting plate (5) is provided with arc wall (6), spring (7) are installed to the inboard of arc wall (6), locating plate (8) are installed on the top of spring (7).

2. The tube holder for an analytical laboratory according to claim 1, wherein: the lower end face of locating plate (8) extends to the inboard of double-deck C type limiting plate (3), locating plate (8) pass through bolted connection with double-deck C type limiting plate (3), spring (7) pass through bolted connection with locating plate (8).

3. The tube holder for an analytical laboratory according to claim 1, wherein: the outer surface of the rubber base plate (10) is provided with anti-slip particles, and one end of the rubber base plate (10) is connected with the top plate (9) through grafted glue.

4. The tube holder for an analytical laboratory according to claim 1, wherein: the outer surface of the handle (4) is provided with a polyurethane sheath, and the polyurethane sheath is connected with the handle (4) through adhesive.

5. The tube holder for an analytical laboratory according to claim 1, wherein: the cylindrical pin (12) extends to the inner side of the connecting plate (11), and the cylindrical pin (12) is connected with the connecting plate (11) through a cylindrical groove.

6. The tube holder for an analytical laboratory according to claim 1, wherein: the outer surface of the first connecting pipe (1) is provided with a rubber anti-slip sheath, anti-slip particles are arranged on the outer surface of the rubber anti-slip sheath, and the first connecting pipe (1) is connected with the rubber anti-slip sheath through graft rubber.

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