CN209379043U - Test tube closing device - Google Patents

Abstract

The utility model discloses be related to opening and closing the test tube closing device of technical field, including pedestal, bracket and clamping plate, bracket is mounted on the base, clamping plate is connect with holder pivots, clamping plate is located above pedestal, and pedestal is equipped with clamp mechanism, and clamping plate is equipped with position snap device corresponding with clamp mechanism, snap device is equipped with the first card slot, and the width of the first card slot is less than the maximum gauge of pipe lid.So that snap device is blocked pipe lid using the first card slot of snap device, be flipped up clamping plate, to drive pipe lid to move up, to realize the opening of pipe lid.When upper tube cap will be closed by needing, clamping plate is overturn, clamping plate drives snap device and is snapped the pipe lid that mechanism is blocked and moves down, and covers tube body, realizes the function of closing upper tube cap.It does not need to stir pipe lid with finger, i.e., openable and conjunction upper tube cap is realized and improves conventional efficient and improve the effect for testing accuracy.

Description

Test tube closing device

Technical field

The utility model relates to open and close technical field, and in particular to test tube closing device.

Background technique

Test tube is common consumptive material, such as centrifuge tube, EP pipe etc. in experiment.Test tube generally comprises tube body and Guan Gai, makes It when with test tube, needs first to open pipe lid, sample then can be put into tube body, then pipe lid is closed.But it was testing Cheng Zhong, often requires to use a large amount of test tube, repeatedly opens and closes the pipe lid of test tube, easily cause the acid of experimenter's muscle Bitterly, conventional efficient reduces；Meanwhile during strikeing with the hand open and closing upper tube cap, it is easy the invisible spectro sample of pollution, causes to test Accuracy.

Summary of the invention

The purpose of this utility model is to provide test tube closing device, the test tube closing device have improve conventional efficient and Improve the effect of experiment accuracy.

Its technical solution is as follows:

Test tube closing device, including pedestal, bracket and clamping plate, bracket are mounted on the base, and clamping plate is connect with holder pivots, Clamping plate is located above pedestal, and pedestal is equipped with clamp mechanism, and clamping plate is equipped with position snap device corresponding with clamp mechanism, buckle Mechanism is equipped with the first card slot, and the width of the first card slot is less than the maximum gauge of pipe lid.

Snap device includes the first snap-gauge and at least two kellies that are parallel to each other, and kelly is fixed on the first snap-gauge, and One snap-gauge is fixed on clamping plate, and the first snap-gauge and two adjacent kellies surround the first card slot.

Snap device includes the first snap-gauge and the second snap-gauge, and the first snap-gauge is connect with Boards wall, the second snap-gauge and clamping plate It is slidably connected, the first card slot is set on the first snap-gauge, and the second snap-gauge is equipped with the second card slot, the second card slot and the first card slot width Difference, clamping plate are equipped with the driving mechanism for driving the second snap-gauge to slide on clamping plate.

Second snap-gauge is equipped with sliding block, and driving mechanism includes drive block and drive rod, and drive block is equipped with and is slidably connected with sliding block Oblique sliding rail, drive rod is fixedly connected with drive block, and drive rod is slidably connected with clamping plate, and drive rod is fixedly connected with and drive rod The parallel push rod of glide direction, push rod one end extend to outside clamping plate.

Drive rod be equipped with elastic component, the both ends of elastic component respectively with drive rod and Boards wall.

First card slot is opposite with the second card slot direction.

Clamp mechanism includes fixed block and fixture block, and fixed block and fixture block are equipped with tube seat, and fixed block and fixture block are slidably connected, Fixed block is equipped with the regulating part abutted with fixture block, and fixture block is equipped with fixing piece.

Regulating part is the cam being rotatablely connected with fixed block.

Pedestal includes conveyer belt, and clamp mechanism is installed on a moving belt, and the transmission direction of conveyer belt is located on horizontal plane It is parallel that projection with the first card slot is located at the projection on horizontal plane.

Bracket is slidably connected with pedestal, and branch is provided with locking piece, and glide direction of the bracket on pedestal is located on horizontal plane Projection with the first card slot to be located at the projection on horizontal plane parallel.

It should be understood that aforementioned " first, second, third ... " does not represent specific quantity and sequence, only use In the differentiation to title.

The advantages of below to the utility model or principle are illustrated:

1, by the tube body of the fixed test tube of clamp mechanism on pedestal, make snap device using the first card slot of snap device Pipe lid is blocked, clamping plate is then flipped up on bracket, clamping plate drives snap device to move up, to pass through snap device band Dynamic pipe lid moves up, to realize the opening of pipe lid.When upper tube cap will be closed by needing, folder is overturn to the direction close to pedestal Plate, clamping plate drives snap device and is snapped the pipe lid that mechanism is blocked and moves down, and covers tube body, realizes the function for closing upper tube cap Energy.It does not need to stir pipe lid with finger, i.e., openable and conjunction upper tube cap, to reduce experimenter because repeatedly opening and closing pipe DOMS caused by covering, and the probability that sample in test tube is polluted in operating process is reduced, it realizes and improves conventional efficient and raising Test the effect of accuracy.

2, cover board drives the first snap-gauge and kelly to move up, and the first snap-gauge and kelly top are abutted with pipe lid, thus real Now open the function of pipe lid.Pipe lid is blocked simultaneously by the first snap-gauge and kelly, can play the role of improving stability.

3, during the experiment, it is often necessary to use various sizes of test tube.First card slot of different size and the second card Slot is respectively used to open various sizes of pipe lid, so as to play the effect for improving practicability.When needing to beat using the first card slot It when open pipe lid, drives the second snap-gauge to slide on clamping plate by driving mechanism, adjusts the position of the second snap-gauge, the second card can be prevented Plate blocks test tube, facilitates operation, improves conventional efficient.

4, push rod is pushed outside clamping plate, push rod drives the oblique sliding rail on drive block and drive block mobile by drive rod, Oblique sliding rail when moving, drives sliding block and the second clamp moving, to realize the effect of the second clamp moving of driving, improves experiment Efficiency.

5, after pushing push rod, push rod is unclamped, elastic component drives drive rod, drive block and push rod to set back, and by oblique Sliding rail and sliding block drive the second snap-gauge to set back, to achieve the effect that reset, play effect convenient to use, improve experiment Efficiency.

6, during the experiment, it is possible to the test tube connected between tube body and pipe lid by a dowel is used, if Dowel is located at tube body close to the position that card slot is open, then dowel can hinder experimenter to be sampled the sample in tube seat Deng operation, be also inconvenient to observe.By the first card slot and the second card slot of different directions, so as to flexibly to dowel Test tube carry out operation of uncapping, while improving applicability, can also play and sampling and observation etc. is facilitated to operate, improve conventional efficient With experiment accuracy.

7, the tube seat being put into test tube simultaneously on fixed block and fixture block, fixture block is then slided on fixed block, makes fixed block On tube seat and fixture block on tube seat dislocation.The tube groove inner wall in tube groove inner wall and fixture block on fixed block pushes against test tube simultaneously, To realize the effect for clamping test tube, and then test tube can easily be clamped, improve conventional efficient.It does not need directly to use hand and examination The state that pipe contact can keep test tube fixed, so as to prevent manpower from mentioning to the pollution of sample in test tube to a certain extent The accuracy of height experiment.

8, rotation cam, cam and the contact point of fixture block and cam gradually change at a distance from the rotation centerline on fixed block Become, so as to push fixture block to move on fixed block, makes that test tube is fixed block and fixture block is clamped.

9, drive clamp mechanism mobile to the direction of operator by conveyer belt, so that test tube can easily be mounted on to folder In pipe mechanism.The test tube in clamp mechanism and clamp mechanism is driven by conveyer belt, so as to play the effect for being moved easily test tube Fruit improves conventional efficient.

10, the mobile bracket on pedestal, bracket drives clamping plate and the first card slot mobile, so as to keep clamp mechanism convenient Pipe lid is blocked, effect that is convenient to use and improving conventional efficient is played.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of embodiment 1；

Fig. 2 is the structural schematic diagram of clamp mechanism in embodiment 1；

Fig. 3 is the structural schematic diagram of locking piece and non-slip mat in embodiment 1；

Fig. 4 is the structural schematic diagram of the first snap-gauge and the second snap-gauge in embodiment 2；

Fig. 5 is the structural schematic diagram of driving mechanism in embodiment 2；

Fig. 6 is the structural schematic diagram of volute spring in embodiment 2.

Description of symbols:

11, pedestal；12, conveyer belt；13, button；14, locking piece；15, non-slip mat；21, fixed block；22, fixture block；23, it manages Slot；24, cam；25, fixing piece；26, volute spring；31, bracket；32, upper support frame；33, lower bracing frame；34, screw rod；41, Clamping plate；42, the first card slot；43, the first snap-gauge；44, kelly；45, the second snap-gauge；46, the second card slot；51, drive rod；52, it drives Motion block；53, oblique sliding rail；54, sliding block；55, push rod；56, elastic component.

Specific embodiment

The embodiments of the present invention are described in detail below.

Embodiment 1:

Test tube closing device, as shown in Figures 1 to 3, including pedestal 11, bracket 31 and clamping plate 41, bracket 31 are mounted on pedestal On 11, clamping plate 41 and bracket 31 are rotatablely connected, and clamping plate 41 is located at 11 top of pedestal, and 11 bottom of pedestal is equipped with non-slip mat 15.Pedestal 11 middle parts are equipped with clamp mechanism, and clamping plate 41 is equipped with position snap device corresponding with clamp mechanism, and snap device includes first Snap-gauge 43 and multiple kellies 44 being parallel to each other, kelly 44 are fixed on the first snap-gauge 43, and the first snap-gauge 43 is fixed on clamping plate 41 On.Snap device is equipped with the first card slot 42, and the first snap-gauge 43 surrounds the first card slot 42 with two adjacent kellies 44.First card slot 42 are arranged multiple, diameter of the width greater than tube body and the maximum gauge less than pipe lid of the first card slot 42 altogether.

Clamp mechanism includes fixed block 21 and fixture block 22, and fixed block 21 and fixture block 22 are equipped with multiple respectively from different The corresponding tube seat 23 in one card slot, 42 position, the position of tube seat 23 corresponds to each other respectively on fixed block 21 and fixture block 22.It is fixed Block 21 and fixture block 22 are slidably connected, and fixed block 21 is equipped with the regulating part abutted with fixture block 22, and regulating part is to rotate with fixed block 21 The cam 24 of connection.Fixture block 22 is equipped with fixing piece 25, and fixing piece 25 is to be threadedly coupled with fixture block 22 and push against with fixed block 21 Screw.

Pedestal 11 includes conveyer belt 12, and pedestal 11 is equipped with the motor of driving conveyer belt 12, and pedestal 11 is equipped with and motor electrical property Connection and the button 13 for being used to control motor.Clamp mechanism is installed on the conveyor belt 12, and the transmission direction of conveyer belt 12 is located at water It is parallel that projection in plane with the first card slot 42 is located at the projection on horizontal plane, in the present embodiment, the transmission side of conveyer belt 12 To for front-rear direction.

Bracket 31 is slidably connected with pedestal 11, and pedestal 11 is equipped with lock hole, and bracket 31 is equipped with locking piece 14, and locking piece 14 is It is slidably connected with bracket 31 and is inserted into the locking pin in lock hole.The glide direction of bracket 31 on the pedestal 11 is located on horizontal plane Projection with the first card slot 42 to be located at the projection on horizontal plane parallel, in the present embodiment, before the transmission direction of conveyer belt 12 is Rear direction.

Bracket 31 includes upper support frame 32 and lower bracing frame 33, and upper support frame 32 slides vertically with lower bracing frame 33 and connect, Lower bracing frame 33 is equipped with the screw rod 34 for being rotatablely connected with it and being axially clamped, and screw rod 34 is threadedly coupled with upper support frame 32, screw rod 34 set there are two altogether and are located at the left and right sides of bracket 31.

The present embodiment has the advantages that

1, when needing to be put into sample in the test tube being in close state to pipe lid, user stands in the front of the device, Controlling conveyer belt 12 by button 13 drives clamp mechanism to close to the movement of the direction of user.Then test tube is put into tube seat 23, and drive fixture block 22 to move on fixed block 21 by rotation cam 24, and make the tube seat on fixture block 22 and fixed block 21 23 dislocation, so that test tube be stepped up.Screw is tightened, so that fixture block 22 is fixed on fixed block by the frictional force of screw and fixed block 21 On 21, test tube is made to keep clamped state.

Test tube is controlled conveyer belt 12 by button 13 and is driven clamp mechanism to the first card slot 42 by after clamp gear grips Direction is mobile, and clamping plate 41 is then overturn by sliding support 31 on the pedestal 11 and on bracket 31, and sliding support 31 is adjustable The horizontal position of snap device drives snap device to adjust height, so that test tube be made to be caught in first during overturning clamping plate 41 In card slot 42.Cover board is overturn then up, and cover board drives the first snap-gauge 43 and kelly 44 to move up, the first snap-gauge 43 and kelly 44 tops are abutted with pipe lid, to realize the function of opening pipe lid, are achieved the effect that facilitate tube used for bottom pouring lid, are improved conventional efficient, And experiment accuracy can be improved.And it can be put into test tube simultaneously in multiple tube seats 23, so as to disposably open multiple test tubes, pole The big efficiency for improving experiment.

The test tube for opening pipe lid is moved to close to the position of user by conveyer belt 12, user in vitro picks and places After sample, then test tube is moved to by position corresponding with pipe lid by conveyer belt 12, is then pressed downward clamping plate 41, makes clamping plate 41 By pipe cover buckle tightly on tube body, sliding support 31 or by the mobile test tube of conveyer belt 12 removes test tube out of first card slot 42. It drives test tube to close to the movement of the direction of user by conveyer belt 12 again, finally unclamps screw, rotate cam 24, make fixture block 22 Test tube is unclamped with fixed block 21, to take out test tube in tube seat 23.It closes lid process and touches pipe lid without with hand, reaching conveniently makes With the effect with raising experiment accuracy.

2, by the tube body of the fixed test tube of clamp mechanism on pedestal 11, make to buckle using the first card slot 42 of snap device Pipe lid blocks in mechanism, clamping plate 41 is then flipped up on bracket 31, clamping plate 41 drives snap device to move up, to pass through Snap device drives pipe lid to move up, to realize the opening of pipe lid.When upper tube cap will be closed by needing, to close to pedestal 11 Direction overturns clamping plate 41, and clamping plate 41 drives snap device and is snapped the pipe lid that mechanism is blocked and moves down, and covers tube body, real Now close the function of upper tube cap.It does not need to stir pipe lid with finger, i.e., openable and conjunction upper tube cap, to reduce experimenter because more DOMS caused by secondary opening and conjunction upper tube cap, and the probability that sample in test tube is polluted in operating process is reduced, it realizes and improves Conventional efficient and the effect for improving experiment accuracy.

3, snap device is set to the middle part of clamping plate 41, when snap device blocks pipe lid, is flipped up clamping plate 41, can be with One lesser torque lifts snap device, so as to play labour-saving effect, is easy to use, can also play to a certain extent Improve the effect of conventional efficient.

4, it is abutted by the first snap-gauge 43 and two adjacent kellies 44 with pipe lid, so as to improve opening and close upper tube cap When stability, play facilitate operation and improve conventional efficient effect.

5, the tube seat 23 being put into test tube simultaneously on fixed block 21 and fixture block 22, then slides fixture block on fixed block 21 22, so that the tube seat 23 on the tube seat 23 and fixture block 22 on fixed block 21 is misplaced.23 inner wall of tube seat and fixture block 22 on fixed block 21 On 23 inner wall of tube seat push against test tube simultaneously, to realize the effect of clamping test tube, and then test tube can easily be clamped, improved Conventional efficient.It does not need directly to contact the state that test tube can be kept to fix with test tube with hand, so as to prevent to a certain extent Only pollution of the manpower to sample in test tube improves the accuracy of experiment.

6, the contact point of rotation cam 24, cam 24 and fixture block 22 and rotation centerline of the cam 24 on fixed block 21 Distance gradually changes, and so as to push fixture block 22 to move on fixed block 21, makes that test tube is fixed block 21 and fixture block 22 is clamped.

7, drive clamp mechanism mobile to the direction of operator by conveyer belt 12, so that test tube can easily be mounted on In clamp mechanism.The test tube in clamp mechanism and clamp mechanism is driven by conveyer belt 12, is moved easily test tube so as to play Effect, improve conventional efficient.

8, bracket 31 is moved on the pedestal 11, and bracket 31 drives clamping plate 41 and the first card slot 42 mobile, so as to make clamp Pipe lid easily blocks in mechanism, plays effect that is convenient to use and improving conventional efficient.

9, the rotary screw rod 34 in lower bracing frame 33 makes screw rod 34 that the upper support frame 32 being threadedly coupled with it be driven vertically to move It is dynamic, to play the effect of 31 whole height of adjusting bracket, and the height of snap device is adjusted, to adapt to different height Test tube improves applicability.

Embodiment 2:

Test tube closing device, as shown in Figs. 4-6, the present embodiment the difference from embodiment 1 is that:

Snap device includes the first snap-gauge 43 and the second snap-gauge 45 in the present embodiment, and the first snap-gauge 43 is fixed with clamping plate 41 to be connected It connects, the second snap-gauge 45 is slidably connected with clamping plate 41 along the direction perpendicular to clamping plate 41, and the first card slot 42 is set to the first snap-gauge 43 On, the second snap-gauge 45 is equipped with the second card slot 46, the width of the width of the second card slot 46 less than the first card slot 42.First card slot 42 with Second card slot 46 is towards on the contrary, the second card slot 46 is open towards the direction close to user, the opening direction of the first card slot 42 Direction far from user.

Second snap-gauge 45 is equipped with sliding block 54, and clamping plate 41 is equipped with the driving machine for driving the second snap-gauge 45 to slide on clamping plate 41 Structure, driving mechanism include drive block 52 and drive rod 51, and drive block 52 is equipped with the oblique sliding rail 53 being slidably connected with sliding block 54, tiltedly sliding Rail 53 and clamping plate 41 are in 30 ° of angles, and drive rod 51 is fixedly connected with drive block 52, and drive rod 51 is slidably connected with clamping plate 41, driving Bar 51 is fixedly connected with the push rod 55 parallel with 51 glide direction of drive rod, and 55 one end of push rod extends to outside clamping plate 41.

Drive rod 51 is equipped with elastic component 56, and elastic component 56 is the reset that both ends are fixed with drive rod 51 and clamping plate 41 respectively Spring.

21 bottom of fixed block is fixed with vertically arranged volute spring 26, and the width of 26 upper end of volute spring is greater than lower end Width.

The present embodiment has the advantages that

1, switching action is carried out to various sizes of test tube by the first card slot 42 and the second card slot 46 of different size.When When needing to open pipe lid using the second card slot 46, push rod 55 is pushed, push rod 55 drives drive rod 51 and drive block 52 to resist reset The elastic force of spring is mobile, and drives the second snap-gauge 45 to skid off to the direction far from clamping plate 41 by sliding block 54 and oblique sliding rail 53, from And it can be uncapped using the second card slot 46.When needing to uncap using the first card slot 42, push rod 55 is unclamped, reset spring is driving Apply elastic force in lever 51, so that the second snap-gauge 45 is withdrawn to the direction close to clamping plate 41, the second snap-gauge 45 is avoided to block Test tube is easy to use, to play the effect for improving conventional efficient.

2, on the market, the pipe lid of a part of test tube is connected (such as EP pipe) with tube body by a dowel, if connection Muscle is located at tube body close to the position that card slot is open, then dowel can hinder experimenter to be sampled the sample in tube seat 23 Operation, is also inconvenient to observe.For the test tube with dowel, the width that the first card slot 42 is arranged can be with the examination with dowel Pipe cooperation, when test tube is put into the first card slot 42, makes dowel be located at side of the test tube far from user, so that first Snap-gauge 43 will not be connected muscle and block, and be that the first snap-gauge 43 can be stable blocks pipe lid, play the effect for improving stability, together When also avoid dowel be located at test tube close to the side of user and caused by it is inconvenient to use, thus play raising experiment effect The effect of rate.

3, during the experiment, it is often necessary to use various sizes of test tube.First card slot 42 and second of different size Card slot 46 is respectively used to open various sizes of pipe lid, so as to play the effect for improving practicability.When need using first card It when slot 42 opens pipe lid, drives the second snap-gauge 45 to slide on clamping plate 41 by driving mechanism, adjusts the position of the second snap-gauge 45, It can prevent the second snap-gauge 45 from blocking test tube, facilitate operation, improve conventional efficient.

4, push rod 55 is pushed outside clamping plate 41, push rod 55 is driven on drive block 52 and drive block 52 by drive rod 51 Oblique sliding rail 53 is mobile, and oblique sliding rail 53 when moving, drives sliding block 54 and the second snap-gauge 45 mobile, to realize the second snap-gauge of driving 45 mobile effects, improve conventional efficient.

5, after pushing push rod 55, push rod 55 is unclamped, elastic component 56 drives drive rod 51, drive block 52 and push rod 55 to restore former Position, and drive the second snap-gauge 45 to set back by oblique sliding rail 53 and sliding block 54, to achieve the effect that reset, playing conveniently makes Effect improves conventional efficient.

6, by the first card slot 42 of different directions and the second card slot 46, so as to flexibly to the test tube with dowel Operation of uncapping is carried out, while improving applicability, can also play and sampling and observation etc. is facilitated to operate, improve conventional efficient and experiment Accuracy.

7, when being put into different size of test tube into tube seat 23, volute spring 26 adapts to different size of test tube, taper 26 inner surface of spring clamps test tube outer wall, can play the role of supporting test tube, provides certain clamping force to test tube.

The above are only specific embodiments of the present invention, does not limit the protection scope of the utility model with this；Not It violates made any replacement on the basis of the utility model is conceived and improves, the category protection scope of the utility model.

Claims (10)

1. test tube closing device, which is characterized in that including pedestal (11), bracket (31) and clamping plate (41), bracket (31) peace On pedestal (11), the clamping plate (41) and bracket (31) are rotatablely connected, and the clamping plate (41) is located above pedestal (11), institute Pedestal (11) are stated equipped with clamp mechanism, the clamping plate (41) is equipped with position snap device corresponding with clamp mechanism, the card Buckle mechanism is equipped with the first card slot (42), and the width of first card slot (42) is less than the maximum gauge of pipe lid.

2. test tube closing device as described in claim 1, it is characterised in that: the snap device include the first snap-gauge (43) and At least two kellies (44) being parallel to each other, the kelly (44) are fixed on the first snap-gauge (43), first snap-gauge (43) It is fixed on clamping plate (41), first snap-gauge (43) and two adjacent kellies (44) surround the first card slot (42).

3. test tube closing device as described in claim 1, it is characterised in that: the snap device include the first snap-gauge (43) and Second snap-gauge (45), first snap-gauge (43) are fixedly connected with clamping plate (41), and second snap-gauge (45) and clamping plate (41) are sliding Dynamic connection, first card slot (42) are set on the first snap-gauge (43), and second snap-gauge (45) is equipped with the second card slot (46), Second card slot (46) and the first card slot (42) are of different size, and the clamping plate (41), which is equipped with, drives the second snap-gauge (45) in clamping plate (41) driving mechanism slided on.

4. test tube closing device as claimed in claim 3, it is characterised in that: second snap-gauge (45) is equipped with sliding block (54), The driving mechanism includes drive block (52) and drive rod (51), and the drive block (52) is equipped with to be slidably connected with sliding block (54) Oblique sliding rail (53), the drive rod (51) are fixedly connected with drive block (52), and the drive rod (51) and clamping plate (41) sliding connect It connects, the drive rod (51) is fixedly connected with the push rod parallel with drive rod (51) glide direction (55), the push rod (55) one It is external that end extends to clamping plate (41).

5. test tube closing device as claimed in claim 4, it is characterised in that: the drive rod (51) is equipped with elastic component (56), the both ends of the elastic component (56) are fixed with drive rod (51) and clamping plate (41) respectively.

6. test tube closing device as claimed in claim 3, it is characterised in that: first card slot (42) and the second card slot (46) Towards on the contrary.

7. test tube closing device as described in any one of claims 1 to 6, it is characterised in that: the clamp mechanism includes fixing Block (21) and fixture block (22), the fixed block (21) and fixture block (22) are equipped with tube seat (23), the fixed block (21) and fixture block (22) it is slidably connected, the fixed block (21) is equipped with the regulating part abutted with fixture block (22), and the fixture block (22) is equipped with fixing piece (25)。

8. test tube closing device as claimed in claim 7, it is characterised in that: the regulating part is to rotate to connect with fixed block (21) The cam (24) connect.

9. test tube closing device as described in any one of claims 1 to 6, it is characterised in that: the pedestal (11) includes transmission Band (12), the clamp mechanism are mounted on conveyer belt (12), and the transmission direction of the conveyer belt (12) is located on horizontal plane It projects parallel with the projection that first card slot (42) is located on horizontal plane.

10. test tube closing device as described in any one of claims 1 to 6, it is characterised in that: the bracket (31) and pedestal (11) it is slidably connected, the bracket (31) is equipped with locking piece (14), glide direction position of the bracket (31) on pedestal (11) It is parallel with the projection that first card slot (42) is located on horizontal plane in the projection on horizontal plane.