Automatic covering and pressing device for PCR (Polymerase Chain Reaction) tube cover

Abstract

The utility model discloses an automatic covering and pressing device for a PCR (Polymerase Chain Reaction) tube cap, which comprises an annular shell, handles are fixedly connected to the outer walls of the two sides of the annular shell respectively, a rotating ring is coaxially and rotatably sleeved in the annular shell, a plurality of arc-shaped sliding openings are formed in the rotating ring in a penetrating manner, and cylindrical pins are slidably clamped in the arc-shaped sliding openings; one end of each cylindrical pin penetrates out of the corresponding guide opening in a sliding mode and then is fixedly connected with the middle of one end face of a sliding block, the sliding blocks are clamped in sliding grooves in a sliding mode, the sliding grooves are formed in the outer wall of one side of the annular shell, and the guide openings are formed in the sliding grooves; the inner walls of the bottoms of the vertical grooves are fixedly connected with one ends of electric telescopic rods, the other ends of the electric telescopic rods are fixedly connected with lifting sliding blocks respectively, the lifting sliding blocks are arranged in the vertical grooves in a sliding mode, one ends of the lifting sliding blocks are fixedly connected with upper rubber blocks, and lower rubber blocks fixedly connected with the ends of the sliding blocks are arranged at the bottoms of the upper rubber blocks.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCR tube technical field, concretely is a kind of automatic cover setting pressure device of PCR tube cover. BACKGROUND

[0002] PCR tube is the special small tube for containing reaction mixture in polymerase chain reaction (PCR) experiment, in order to improve experimental efficiency, ensure sealing and operating convenience, design out PCR joint pipe of row structure, generally have PCR eight joint pipe etc., each tube body is relatively independent, avoid cross contamination, cooperate cover on tube body and be provided with tube cover, wherein, PCR tube cover includes independent tube cover and conjoined tube cover, each independent tube cover can cooperate corresponding cover and be set on each tube body, suitable for step experiment;And conjoined tube cover is a whole tube cover, can cover all tube body, carry out cover setting use, when carrying out cover setting, tube cover must be uniformly pressed, ensure that tube cover is completely closed, guarantee the sealing of cover setting, simultaneously, cannot excessively press, prevent tube body deformation damage.

[0003] When carrying out tube cover sealing cover setting to PCR tube, the existing mode is to carry out cover setting pressure to tube cover by artificial mode, artificial operation mode needs to consume large manpower, especially when handling independent tube cover cover setting, in the case where the number of tube cover is more, need to consume longer time, efficiency is slower, cover setting quality is unstable, to solve the above problems, we propose a kind of automatic cover setting pressure device of PCR tube cover. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of automatic cover setting pressure device of PCR tube cover to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of automatic cover setting pressure device of PCR tube cover, including annular shell, the both sides outer wall of annular shell is respectively fixedly connected with handle, coaxial rotation sleeve joint swivel ring in annular shell, the swivel ring is equipped with several arc-shaped sliding port, the arc-shaped sliding port is all slidably connected cylindrical pin, the one end of cylindrical pin is slidably connected the one end surface middle part of slide block after being slid out from guide port, the slide block is slidably connected in sliding slot, the sliding slot is set in the one side outer wall of annular shell and guide port is set in sliding slot, the one end surface of slide block is respectively recessed and set with vertical recess, the bottom inner wall of vertical recess is all fixedly connected with the one end of electric telescopic rod, the other end of electric telescopic rod is respectively fixedly connected with lifting slide block, the lifting slide block is slidably arranged in vertical recess and lifting slide block is fixedly connected with upper rubber block on one end, the bottom of upper rubber block is provided with lower rubber block of fixedly connected slide block end part;

[0006] One end surface of the swivel ring is coaxially fixedly connected with an inner gear ring, the inner gear ring is in meshing connection with a driving gear, the driving gear is fixedly connected with an output shaft of a servo motor, and the servo motor is fixedly installed on the annular shell.

[0007] Preferably, the chute is circumferentially provided with at least three.

[0008] Preferably, the axes of the upper rubber block and the lower rubber block are in the same plane.

[0009] Preferably, the arc-shaped sliding port is circumferentially provided with at least three.

[0010] Preferably, the sliding block is in T-shaped structure.

[0011] Preferably, the sliding block is in L-shaped structure and the vertical section is in T-shaped structure.

[0012] Compared with the prior art, the beneficial effects of the utility model are that: through synchronous movement of multiple sliding blocks, the lower rubber block is abutted against the outer wall of the PCR tube, the upper rubber block clamps the PCR tube cover, the position of the annular shell is kept fixed, the PCR tube cover and the PCR tube are automatically concentrically aligned, the electric telescopic rod works, drives the lifting sliding block towards the PCR tube, the lifting sliding block cooperates with the upper rubber block to drive the clamped fixed PCR tube cover and the PCR tube to be automatically covered and pressed, the manual labor is reduced, and the work efficiency is improved when batch operation is performed. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model;

[0014] Figure 2 It is a structural schematic view of the utility model from the top view angle;

[0015] Figure 3 It is a structural schematic view of the annular shell.

[0016] In the drawing: annular shell 1, chute 2, guide port 3, sliding block 4, handle 5, vertical groove 6, electric telescopic rod 7, lifting sliding block 8, upper rubber block 9, lower rubber block 10, servo motor 11, swivel ring 12, inner gear ring 13, arc-shaped sliding port 14, cylindrical pin 15, driving gear 16. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0018] Embodiment 1

[0019] With reference to Figure 1 、 2 , the first embodiment of the utility model provides a kind of automatic cover setting and pressing device of PCR tube cover, including annular shell 1, the both sides outer wall of annular shell 1 is respectively fixedly connected with handle 5, annular shell 1 is coaxially rotatable sleeve joint swivel ring 12, several arc sliding port 14 are provided in swivel ring 12, arc sliding port 14 are all slidably connected cylindrical pin 15, one end of cylindrical pin 15 is slidably connected the middle part of one end surface of slider 4 after being slid out from guide port 3 respectively, slider 4 is slidably connected in sliding slot 2, sliding slot 2 is set in the one side outer wall of annular shell 1 and guide port 3 is set in sliding slot 2, one end surface of slider 4 is respectively concave and provided with vertical recess 6, the bottom inner wall of vertical recess 6 is all fixedly connected with one end of electric telescopic rod 7, the other end of electric telescopic rod 7 is respectively fixedly connected with lifting slider 8, lifting slider 8 is slidably arranged in vertical recess 6 and one end of lifting slider 8 is fixedly connected with upper rubber block 9, the bottom of upper rubber block 9 is provided with lower rubber block 10 of the end part of fixed slider 4;

[0020] one end surface of swivel ring 12 is coaxially fixedly connected with inner tooth ring 13, inner tooth ring 13 is engagedly connected with driving gear 16, driving gear 16 is fixedly connected with the output shaft of servo motor 11, and servo motor 11 is fixedly installed on annular shell 1.

[0021] manual handle handle 5, move annular shell 1 to the position of PCR tube that needs to be operated, then hold PCR tube cover, then keep the position fixed, servo motor 11 and electric telescopic rod 7 are powered by external power supply device through connecting line and plug, servo motor 11 is electrified to work, driving gear 16 is driven to rotate, driving gear 16 drives the rotation of engagedly connected inner tooth ring 13, inner tooth ring 13 drives the rotation of fixed swivel ring 12, swivel ring 12 drives the synchronous rotation of the arc sliding port 14 opened, arc sliding port 14 drives the movement of slidably connected cylindrical pin 15, while cylindrical pin 15 is limited in guide port 3, slider 4 is moved in sliding slot 2, slider 4 further drives the movement of fixed lower rubber block 10 towards PCR tube, after multiple lower rubber blocks 10 contact PCR tube, PCR tube is clamped, keep the position of annular shell 1 fixed, while upper rubber block 9 is moved towards PCR tube cover synchronously, finally upper rubber block 9 clamps and fixes PCR tube cover, electric telescopic rod 7 is electrified to work, driving lifting slider 8 to move towards PCR tube, lifting slider 8 cooperates with upper rubber block 9 to drive the automatic clamping of fixed PCR tube cover and PCR tube.

[0022] Embodiment 2

[0023] With reference toFigures 1-3 For the second embodiment of the utility model, the embodiment is based on the previous embodiment, specifically, at least three are uniformly distributed in the circumference of the chute 2, the number of the sliding blocks 4 is corresponding to the number of the chutes 2, and then the automatic centering operation is realized.

[0024] Specifically, the axes of the upper rubber block 9 and the lower rubber block 10 are in the same plane, so that the clamping positions of the two are consistent.

[0025] Specifically, at least three arc-shaped sliding openings 14 are uniformly distributed in the circumference, and the number of the arc-shaped sliding openings 14 is one-to-one corresponding to the number of the sliding blocks 4.

[0026] Specifically, the chute 2 is a T-shaped structure.

[0027] Specifically, the sliding block 4 is an L-shaped structure and a vertical section is a T-shaped structure, so that the vertical groove 6 is conveniently arranged in the concave end portion.

[0028] Embodiment 3

[0029] Refer to Figures 1-3 For the third embodiment of the utility model, the embodiment is based on the above two embodiments, when in use, the handle 5 is manually held, the annular shell 1 is moved to the position of the PCR tube to be operated, the annular shell 1 is sleeved on the PCR tube, then the PCR tube cover is manually held and placed at the position of the upper rubber block 9, then the position is kept fixed, the servo motor 11 and the electric telescopic rod 7 are externally connected to the power supply device through the connecting wire and the plug, the servo motor 11 is electrified to work, drives the driving gear 16 to rotate, the driving gear 16 drives the meshing connection of the inner tooth ring 13 to rotate, the inner tooth ring 13 drives the fixed connection of the rotating ring 12 to rotate, the rotating ring 12 drives the synchronous rotation of the arc-shaped sliding opening 14 opened, the arc-shaped sliding opening 14 drives the movement of the sliding clamped cylindrical pin 15, at the same time, the cylindrical pin 15 is limited in the guide opening 3, drives the sliding block 4 to move in the chute 2, the sliding block 4 further drives the fixed connection of the lower rubber block 10 to move towards the PCR tube, after a plurality of lower rubber blocks 10 contact the PCR tube, the PCR tube is clamped, the position of the annular shell 1 is kept fixed, at the same time, the upper rubber block 9 is synchronously moved towards the PCR tube cover, finally the upper rubber block 9 clamps and fixes the PCR tube cover, the electric telescopic rod 7 is electrified to work, drives the lifting sliding block 8 to move towards the PCR tube, the lifting sliding block 8 cooperates with the upper rubber block 9 to drive the clamped fixed PCR tube cover and the PCR tube to be automatically covered and pressed tightly, the artificial only needs to manually hold the PCR tube cover and the annular shell 1 at the beginning, greatly reduces the manpower of manual operation, and improves the work efficiency when operating in batches.

[0030] It should be noted that the specific model and specification of the electric telescopic rod and the servo motor need to be selected and determined according to the actual specification of the device, and the specific selection calculation method adopts the existing technology in the art, so it will not be described in detail.

[0031] The above is only a specific embodiment of the present application, but the design concept of the present application is not limited to this, and any non-essential improvement of the present application using this concept should belong to the infringement of the protection range of the present application.

Claims

1. An automatic cover pressing device for PCR tube cover, comprising an annular shell (1), two side outer walls of the annular shell (1) are respectively fixedly connected with handles (5), characterized in that: The coaxial swivel joint (12) is sleeved in the annular shell (1), a plurality of arc sliding ports (14) are arranged on the swivel joint (12), a cylindrical pin (15) is slidingly connected in each of the arc sliding ports (14), one end of the cylindrical pin (15) is slidingly connected to the middle of one end surface of a sliding block (4), the sliding block (4) is slidingly connected in a sliding groove (2), the sliding groove (2) is arranged on the outer wall of one side of the annular shell (1), the guide port (3) is arranged in the sliding groove (2), a vertical recess (6) is arranged in one end surface of the sliding block (4), one end of an electric telescopic rod (7) is fixedly connected to the bottom inner wall of the vertical recess (6), the other end of the electric telescopic rod (7) is fixedly connected to a lifting sliding block (8), the lifting sliding block (8) is slidingly arranged in the vertical recess (6), the lifting sliding block (8) is fixedly connected with an upper rubber block (9), the bottom of the upper rubber block (9) is provided with a lower rubber block (10) fixedly connected with the end of the sliding block (4). One end surface of the swivel joint (12) is coaxially fixedly connected with an inner tooth ring (13), the inner tooth ring (13) is meshingly connected with a driving gear (16), the driving gear (16) is fixedly connected with the output shaft of a servo motor (11), and the servo motor (11) is fixedly installed on the annular shell (1).

2. The automatic capping device for PCR tube cap according to claim 1, characterized in that: The sliding groove (2) is provided with at least three circumferential distribution.

3. The automatic capping device for PCR tube cap according to claim 1, characterized in that: The axes of the upper rubber block (9) and the lower rubber block (10) are in the same plane.

4. The automatic capping device for PCR tube cap according to claim 1, wherein: The arc sliding ports (14) are provided with at least three circumferential distribution.

5. The automatic capping device for PCR tube cap according to claim 1, characterized in that: The sliding groove (2) is a T-shaped structure.

6. The automatic capping device for PCR tube cap according to claim 1, characterized in that: The sliding block (4) is an L-shaped structure and the vertical section is a T-shaped structure.

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