CN214716834U

CN214716834U - Fixing device suitable for laboratory drug sensitive test tube

Info

Publication number: CN214716834U
Application number: CN202023340664.2U
Authority: CN
Inventors: 车洋; 林律; 平国华; 陈同; 于梅; 林相�; 贺天锋
Original assignee: Ningbo Municipal Center For Disease Control & Prevention
Current assignee: Ningbo Municipal Center For Disease Control & Prevention
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-16
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to a fixing device suitable for a drug sensitive test tube in a laboratory, which comprises a shell with a bottom wall, wherein the bottom wall is provided with a through hole; a gripping member for gripping the test tube; and a locking member that locks the gripping member; the clamping component comprises at least one pair of clamping plate rows which are oppositely arranged, and each pair of clamping plate rows comprises a first clamping plate and a second clamping plate; when the test tube extends into the through hole, the first clamping plate and the second clamping plate are close to each other and slide, so that the clamping space is reduced to clamp the test tube, and the clamping state is locked by the locking member to clamp the test tube; compared with the prior art, the utility model has the advantages of hold the test tube through first grip block and second grip block to add the locking member and press from both sides the state of pressing from both sides the test tube with the locking, can make the centre gripping of test tube more stable, and simple structure, can be suitable for current laboratory test-tube rack, reduced the reset cost.

Description

Fixing device suitable for laboratory drug sensitive test tube

Technical Field

The utility model relates to an experiment auxiliary equipment technical field especially relates to a fixing device suitable for quick test tube of laboratory medicine.

Background

The drug sensitivity test is a test for detecting the sensitivity of microorganisms or organisms to drugs, when the drug sensitivity test is carried out in a laboratory, test tubes for the test are stored in a common test tube rack, the conventional test tube rack generally adopts a small hole which is slightly larger than the test tubes for the test tubes to extend into and store, although the small hole is slightly larger than the test tubes, the test tubes are easier to put in due to the design that the small hole is slightly larger than the test tubes, certain hidden dangers are brought, the storage holes of the test tube rack are larger than the diameters of the test tubes, so that the test tubes can be stored on the test tube rack with a certain degree of freedom, the test tubes are easy to shake when the test tube rack is carried, and collide with the test tube rack, thereby causing the risk of test tube fragmentation; therefore, the Chinese utility model with the patent number ZL201921962964.9 discloses an esophageal cancer drug sensitivity detection kit, which comprises a connecting frame, wherein a torsional spring arranged in the connecting frame is elastically deformed to generate resilience force to be matched with a movable plate to fix a drug sensitivity test tube, and a groove matched with the drug sensitivity test tube in a clamping manner is formed in the connecting seat, so that the stability of placing the drug sensitivity test tube can be improved, and the situation that the drug sensitivity test tube is damaged by external force can be prevented; although this kit has made the protection to the test tube through fly leaf and torsional spring, because only utilized the elastic force of torsional spring, when meetting great vibration again, still have the risk of collision, for this reason, need make further improvement to prior art.

Disclosure of Invention

The utility model aims to solve the technical problem that a fixing device suitable for laboratory drug sensitive test tube that can fix the test tube of placing on the test-tube rack is provided to foretell technical current situation.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: this fixing device suitable for quick test tube of laboratory medicine includes:

a housing including a bottom wall having a through hole into which the test tube extends;

the clamping component is arranged on the bottom wall and is used for clamping the test tube extending from the through hole of the bottom wall; the method is characterized in that: further comprising:

the locking component is connected to the shell and used for locking the clamping component after the clamping component clamps the test tube;

the clamping member comprises at least one pair of clamping plate rows which are oppositely arranged, and each pair of clamping plate rows comprises:

the first clamping plate is arranged on one side of the through hole of the bottom wall;

the second clamping plate and the first clamping plate are symmetrically arranged on the other side of the through hole along the axis of the through hole; wherein face-to-face space forms the centre gripping space of centre gripping test tube between every pair of grip block row, and when the test tube stretched into the through-hole, first grip block with the second grip block can be close to each other and slide to reduce the centre gripping space is in order to press from both sides tight test tube, locks the clamping state through locking member, makes the test tube be in the state of being pressed from both sides tightly all the time.

Because the test tube rack usually has at least two small holes for placing test tubes, a first clamping plate and a second clamping plate need to be arranged on two sides of each test tube, preferably, a circumferential wall is arranged on the circumferential direction of the bottom wall of the housing, at least two through holes are arranged at intervals on the bottom wall, correspondingly, the first clamping plate and the second clamping plate are arranged on two sides of each through hole, adjacent first clamping plates are connected through a first connecting member, the first connecting member comprises a first holding part extending out of the circumferential wall, and correspondingly, the circumferential wall is provided with an opening for extending out of the first holding part; similarly, the adjacent second clamping plates are connected through a second connecting component, and the second connecting component comprises a second holding part extending out of the peripheral wall; an operator grips the first gripping part and the second gripping part, pulls the first connecting member and the second connecting member back to back, the first clamping plate and the second clamping plate can move towards each other to be close to clamp a test tube, and the first connecting member and the second connecting member are locked by the locking member, so that the test tube is always in a clamped state.

In order to enable the locking member to more conveniently lock the first connecting member and the second connecting member, preferably, an installation portion for installing the locking member is arranged on one side of the peripheral wall, the locking member is installed on the installation portion and is arranged above the first connecting member and the second connecting member, the locking member comprises a handle portion and a locking portion capable of extending into the first connecting member and the second connecting member, and correspondingly, a first groove and a second groove for the locking portion to extend into are arranged on the first connecting member and the second connecting member.

Since the locking member can lock the first connecting member and the second connecting member under the condition of manual operation, but for more convenient use, an elastic piece can be added on the locking member to perform automatic locking, as long as when the first connecting member and the second connecting member move to the position above the first groove and the second groove into which the locking part of the locking member can extend, the locking part of the locking member can be pressed into the first groove and the second groove by the elastic piece, and the locking process is completed, preferably, the locking member is positioned above the locking part and is further provided with a convex edge for installing the first elastic piece, one end of the first elastic piece abuts against the convex edge, and the other end abuts against the installing part, so that the locking member always has the tendency of extending downwards into the first groove and the second groove.

When the test tube needs to be taken out by an operator, as long as the locking is released, the first holding part and the second holding part are held to enable the first connecting member and the second connecting member to move oppositely, the test tube can be loosened by the first clamping plate and the second clamping plate, in order to reduce the operation steps, the test tube is taken out quickly, a resilient member may be added to allow the first and second clamping plates to automatically return to release the test tube, preferably, second elastic pieces are arranged between the first connecting component and the second connecting component and the corresponding peripheral wall respectively, one end of the second elastic piece is abutted against the first connecting component and the second connecting component, and the other end is abutted against the corresponding peripheral wall, so that the first and second connection members always have a tendency to move towards each other, correspondingly, the first clamping plate and the second clamping plate always have the tendency of moving back to back.

In order to maintain the service life of the device, a cover plate can be added on the shell to reduce dust entering the shell and affecting the stability of each component, and preferably, the fixing device for the laboratory drug sensitive test tube further comprises:

and the cover plate is matched with the shell and used for reducing dust entering the interior of the shell.

Compared with the prior art, the utility model has the advantages of hold the test tube through first grip block and second grip block to add the locking member and press from both sides the state of pressing from both sides the test tube with the locking, can make the centre gripping of test tube more stable, and simple structure, can be suitable for current laboratory test-tube rack, reduced the reset cost.

Drawings

FIG. 1 is a schematic overall view of a fixing device for a laboratory drug sensitive test tube according to the present embodiment;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a schematic view of the unlocked state of FIG. 3;

FIG. 5 is an exploded view of FIG. 1;

fig. 6 is a partially enlarged view of fig. 5 at B.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in FIGS. 1 to 6, the preferred embodiment of the present invention is shown. The fixing device suitable for the laboratory drug sensitive test tube of the embodiment comprises a shell 1 with a bottom wall 11, wherein the bottom wall 11 is provided with a through hole 12 for the test tube 2 to extend into; a holding member 3 mounted on the bottom wall 11, the holding member 3 being adapted to hold a test tube 2 extending from a through hole 12 of the bottom wall 11, the holding member 3 comprising eleven pairs of oppositely arranged rows of holding plates, each pair comprising: a first holding plate 31 provided on the side of the through hole 12 of the bottom wall 11; a second clamping plate 32 which is arranged on the other side of the through hole 12 along the axis of the through hole 12 and is symmetrical to the first clamping plate 31; a locking member 4 connected to the housing 1 for locking the gripping member 3 after the gripping member 3 grips the test tube 2; the cover plate 9 is matched with the shell 1, and the cover plate 9 is used for reducing dust from entering the interior of the shell 1; wherein the face-to-face space between each pair of the clamping plate rows forms a clamping space for clamping the test tube 2, when the test tube 2 extends into the through hole 12, the first clamping plate 31 and the second clamping plate 32 slide close to each other, thereby reducing the clamping space to clamp the test tube 2, and the clamping state is locked by the locking member 4, so that the test tube 2 is always in the clamped state. The cover plate 9 is added to the housing 1 to prevent dust from affecting the stability of each component, and prolong the service life of the device.

The circumference of the bottom wall 11 of the housing 1 of this embodiment is provided with a peripheral wall 13, five rows and eleven columns are arranged at intervals in the through hole 12 of the bottom wall 11, fifty-five test tubes 2 can be placed in the through hole, correspondingly, the first clamping plate 31 and the second clamping plate 32 are arranged on both sides of the through hole 12, the adjacent first clamping plates 31 are connected by the first connecting member 5, the first connecting member 5 comprises a first holding part 51 extending out of the peripheral wall 13, and correspondingly, the peripheral wall 13 is provided with an opening 132 for extending out of the first holding part 51; similarly, adjacent second holding plates 32 are connected by a second connecting member 6, and the second connecting member 6 includes a second holding portion 61 extending from the peripheral wall 13; the peripheral wall 13 of the present embodiment is provided with a mounting portion 131 for mounting the locking member 4, the locking member 4 is mounted on the mounting portion 131 and is disposed above the first connecting member 5 and the second connecting member 6, the locking member 4 includes a handle portion 41 and a locking portion 42 capable of extending into the first connecting member 5 and the second connecting member 6, and correspondingly, the first connecting member 5 and the second connecting member 6 are provided with a first groove 52 and a second groove 62 for extending into the locking portion 42. The operator holds the first holding portion 51 and the second holding portion 61, pulls the first connecting member 5 and the second connecting member 6 back to back, the first clamping plate 31 and the second clamping plate 32 can move toward each other to clamp the test tube 2, and the locking member 4 locks the first connecting member 5 and the second connecting member 6, so that the test tube 2 is always in a clamped state.

Since the locking member 4 can lock the first connecting member 5 and the second connecting member 6 by manual operation, but for more convenience of use, an elastic member may be added to the locking member 4 to perform automatic locking, so long as the locking portion 42 of the locking member 4 is pressed into the first recess 52 and the second recess 62 by the elastic member when the first connecting member 5 and the second connecting member 6 move above the first recess 52 and the second recess 62 into which the locking portion 42 of the locking member 4 can extend, completing the locking process. For this purpose, the locking member 4 of the present embodiment is further provided with a flange 43 above the locking portion 42 for mounting the first elastic member 7, one end of the first elastic member 7 abuts against the flange 43, and the other end abuts against the mounting portion 131, so that the locking member 4 always has a tendency to extend downward into the first groove 52 and the second groove 62.

When the operator needs to take out the test tube 2, the first holding portion 51 and the second holding portion 61 are held to move the first connecting member 5 and the second connecting member 6 toward each other by releasing the lock, so that the first holding plate 31 and the second holding plate 32 can release the test tube 2, and in order to reduce the number of operation steps, the test tube 2 can be taken out quickly, elastic pieces can be added to make the first clamping plate 31 and the second clamping plate 32 automatically return to release the test tube 2, for this reason, the second elastic pieces 8 are arranged between the first connecting member 5 and the second connecting member 6 and the corresponding peripheral wall 13, one end of each second elastic piece 8 is abutted against the first connecting member 5 and the second connecting member 6, and the other end is abutted against the corresponding peripheral wall 13, so that the first connecting member 5 and the second connecting member 6 always have the tendency of moving towards each other, correspondingly, the first clamping plate 31 and the second clamping plate 32 always have a tendency to move back and forth.

In summary, the fixing device for the laboratory drug sensitive test tube has the following use process: when a test tube 2 placed on the test tube rack needs to be clamped, the device is placed above the test tube rack, the test tube 2 is placed into the corresponding through hole, an operator holds the first holding part 51 and the second holding part 61 and pulls the first holding part and the second holding part to the two sides of the shell 1 away from the shell 1, the first connecting member 5 and the second connecting member 6 move back to drive the first clamping plate 31 and the second clamping plate 32 to move oppositely to clamp the test tube 2, when the first groove 52 and the second groove 62 of the first connecting member 5 and the second connecting member 6 move to the positions corresponding to the locking parts 42 of the locking member 4, the locking parts 42 of the locking member 4 are pressed into the first groove 52 and the second groove 62 by the first elastic piece 7, the locking process is completed, and the test tube 2 is in the clamped state; when the test tube 2 needs to be taken out, an operator lifts the test tube upwards by the handle part 41 of the locking component 4 against the elastic force of the first elastic piece 7, and the locking is released; at this time, under the action of second elastic element 8, first connecting member 5 and second connecting member 6 bring first clamping plate 31 and second clamping plate 32 back to the original position, and test tube 2 is released, and test tube 2 can be taken out.

Claims

1. A holding device for a laboratory drug sensitive test tube comprising:

a housing (1) comprising a bottom wall (11), said bottom wall (11) having a through hole (12) into which the test tube (2) extends;

a clamping member (3) mounted on the bottom wall (11) for clamping a test tube (2) extending from a through hole (12) of the bottom wall (11); the method is characterized in that: further comprising:

a locking member (4) connected to the housing (1) for locking the gripping member (3) after the gripping member (3) grips the test tube (2);

the clamping member (3) comprises at least one pair of oppositely arranged clamping plate rows, and each pair of clamping plate rows comprises:

a first holding plate (31) provided on the side of the through hole (12) of the bottom wall (11);

the second clamping plate (32) and the first clamping plate (31) are symmetrically arranged on the other side of the through hole (12) along the axis of the through hole (12);

wherein face-to-face space between every pair of grip block row forms the centre gripping space of centre gripping test tube, when test tube (2) stretched into through-hole (12), first grip block (31) with second grip block (32) can be close to each other and slide to reduce the centre gripping space with press from both sides tight test tube (2), through locking member (4) locking clamping state for test tube (2) are in the state of being pressed from both sides tightly all the time.

2. The holding device for laboratory drug sensitive test tubes according to claim 1, wherein: a peripheral wall (13) is circumferentially arranged on a bottom wall (11) of the shell (1), at least two through holes (12) of the bottom wall (11) are arranged at intervals, correspondingly, the first clamping plate (31) and the second clamping plate (32) are arranged on two sides of each through hole (12), the adjacent first clamping plates (31) are connected through a first connecting component (5), the first connecting component (5) comprises a first holding part (51) extending out of the peripheral wall (13), and correspondingly, the peripheral wall (13) is provided with an opening (132) for the first holding part (51) to extend out; similarly, adjacent second clamping plates (32) are connected through a second connecting component (6), and the second connecting component (6) comprises a second holding part (61) extending out of the peripheral wall (13); an operator grips the first gripping part (51) and the second gripping part (61), pulls the first connecting member (5) and the second connecting member (6) back to back, the first clamping plate (31) and the second clamping plate (32) can move towards each other to be close to clamp the test tube (2), and the first connecting member (5) and the second connecting member (6) are locked by the locking member (4) so that the test tube (2) is always in a clamped state.

3. The holding device for laboratory drug sensitive test tubes according to claim 2, wherein: the locking device is characterized in that an installation part (131) used for installing the locking component (4) is arranged on one side of the peripheral wall (13), the locking component (4) is installed on the installation part (131) and is arranged above the first connecting component (5) and the second connecting component (6), the locking component (4) comprises a handle part (41) and a locking part (42) capable of extending into the first connecting component (5) and the second connecting component (6), and correspondingly, a first groove (52) and a second groove (62) for the locking part (42) to extend into are arranged on the first connecting component (5) and the second connecting component (6).

4. A holding device for laboratory drug sensitive test tubes according to claim 3 wherein: the locking component (4) is positioned above the locking part (42) and is further provided with a convex edge (43) used for installing a first elastic piece (7), one end of the first elastic piece (7) abuts against the convex edge (43), and the other end of the first elastic piece abuts against the installation part (131), so that the locking component (4) always has the tendency of extending downwards into the first groove (52) and the second groove (62).

5. A holding device for laboratory drug sensitive test tubes according to any of claims 2 to 4, wherein: second elastic pieces (8) are arranged between the first connecting member (5) and the second connecting member (6) and the corresponding peripheral wall (13), one end of each second elastic piece (8) abuts against the first connecting member (5) and the second connecting member (6), and the other end abuts against the corresponding peripheral wall (13), so that the first connecting member (5) and the second connecting member (6) always have the trend of moving towards each other, and correspondingly, the first clamping plate (31) and the second clamping plate (32) always have the trend of moving away from each other.

6. The holding device for laboratory drug sensitive test tubes according to claim 5, wherein: further comprising:

and the cover plate (9) is matched with the shell (1) and used for reducing dust entering the interior of the shell (1).