CN115196567A - Clamping method used in sample tube uncovering process - Google Patents
Clamping method used in sample tube uncovering process Download PDFInfo
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- CN115196567A CN115196567A CN202210719473.1A CN202210719473A CN115196567A CN 115196567 A CN115196567 A CN 115196567A CN 202210719473 A CN202210719473 A CN 202210719473A CN 115196567 A CN115196567 A CN 115196567A
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- clamping
- sample tube
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
- B67B7/00—Hand- or power-operated devices for opening closed containers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The invention relates to the technical field of medical instruments, in particular to a clamping method used in a sample tube uncovering process, which comprises the following steps: placing the sample tube on the frame body, wherein the clamping end of the clamping piece is positioned in an open slot at the bottom of the sample tube; starting the driving mechanism, wherein the driving mechanism is abutted and extruded with the clamping piece, so that the clamping end of the clamping piece is opened and is clamped with the inner side wall of the open slot; the sample tube is in a clamping and fixing state, and the sample tube can be opened; the driving structure is separated from the clamping piece, the clamping end of the clamping piece is restored to the original position under the elastic force action of the spring, the sample tube is in a loosening state at the moment, and the sample tube can be freely taken and placed on the frame body. The method is simple and efficient, clamps the bottom of the sample tube, does not affect the observation operation of the sample tube compared with the traditional method for clamping the side wall of the sample tube, can perform in-situ uncapping operation on the sample tube, saves time and improves uncapping efficiency.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a clamping method used in a sample tube uncovering process.
Background
After the sample is collected and stored, professional technicians extract nucleic acid in the sample and place the nucleic acid into a sample tube, then place the sample tube into an amplification instrument for amplification treatment, the amplified sample needs to be added into a reagent system for testing, and finally the detection result of the experimental sample is obtained.
In the process of adding the amplified sample into the reagent system, the sample tube is usually taken out of the amplification instrument and placed on a sample rack, then the sample tube is transferred from the sample rack to an uncovering clamping mechanism through an electric clamping jaw and the like, the cover of the sample tube is unscrewed, a quantitative sample is extracted and added into a deep hole plate, the subsequent actions of nucleic acid extraction and detection are carried out, the bottle cover is covered after the sampling is finished, then the sample tube is transferred from the uncovering clamping mechanism to the sample rack, and then the same operation is carried out on the next sample tube. But present uncap clamping mechanism sets up for independent, uncap to have certain distance between clamping mechanism and the sample frame, with the sample pipe come and go between sample frame and uncap clamping mechanism and shift very waste time, lead to work efficiency not high.
The utility model discloses a test-tube rack, including frame and test tube, be equipped with a plurality of test-tube slot on the side of frame, the test tube is placed in the test-tube slot, it has a plurality of grip block to articulate on the inner wall of test-tube slot, the grip block is the V font, the opening of V font grip block is towards the test tube, the equal butt in the upper and lower both ends of grip block is on the outer wall of test tube, be equipped with reset spring between the inner wall of grip block and test-tube slot, this test-tube rack is though can be with the test tube or the sample pipe clamp of putting into the test-tube rack tightly, prevent rocking of test tube, but this test-tube rack can't carry out firm fixed to the sample pipe, can't uncap the sample pipe when the sample pipe is placed on the test-tube rack promptly.
Disclosure of Invention
In order to overcome the technical problems that the sample tube cannot be fixed by the sample frame and the uncovering operation cannot be carried out in the prior art, the invention provides the clamping method for the uncovering process of the sample tube, which can effectively clamp the sample tube, is convenient to operate and can improve the uncovering efficiency of the sample tube.
In order to solve the technical problems, the invention adopts the technical scheme that: a clamping method used in a sample tube uncovering process comprises the following specific operation steps:
the method comprises the following steps: placing the sample tube on the frame body, wherein the clamping end of the clamping piece is positioned in an open slot at the bottom of the sample tube;
step two: starting the driving mechanism, wherein the driving mechanism is abutted and extruded with the clamping piece, so that the clamping end of the clamping piece is opened and is clamped with the inner side wall of the open slot; at the moment, the sample tube is in a clamping and fixing state, and the sample tube can be uncapped;
step three: and the driving mechanism is started again, the driving structure is separated from the clamping piece, the clamping end of the clamping piece is restored to the original position under the elastic force action of the spring, and the sample tube is in a loose state at the moment, so that the sample tube can be freely taken and placed on the frame body.
When the sample tube opening device is used, a sample tube is placed on the frame body, the clamping end of the clamping piece is just positioned in the open slot at the outer bottom of the sample tube, when the sample tube needs to be opened, the driving mechanism is started, the driving mechanism is in contact with the clamping piece to extrude, the clamping end of the clamping piece is expanded, the spring is compressed, the expanded clamping end is clamped with the inner side wall of the open slot, the sample tube is tightly clamped and fixed by the clamping piece at the moment, the sample tube can be opened, the driving mechanism is started again after the opening operation of the sample tube is finished or when the sample tube needs to be freely taken and placed, the driving mechanism is far away from the clamping piece, and the clamping end of the clamping piece is restored to the original position under the elastic force action of the spring. According to the invention, whether the sample tube is clamped or not is realized through the abutting of the clamping end of the clamping piece and the side wall of the open slot at the outer bottom of the sample tube, the sample tube can be clamped when needed, so that the sample tube can be opened in situ, the sample tube does not need to be taken out of the frame body and moved to other opening clamping mechanisms for opening the cover for sampling operation, the time is saved, the opening efficiency is improved, and the working efficiency is further improved to a great extent.
Preferably, in the second step, the two clamping arms of the clamping member are rotatably mounted on the fixing plate through pins, the middle portions of the two clamping arms are abutted, a gap is formed below the abutted portion of the two clamping arms, the driving mechanism is abutted and extruded with the lower end portions of the two clamping arms, so that the upper end portions of the two clamping arms are expanded to be clamped with the inner side wall of the open slot, and the sample tube is in a clamping and fixing state at this time.
Preferably, in the second step, when the upper end of the clamping arm is clamped with the inner side wall of the open slot, the end of the upper end of the clamping arm facing the pointed tooth of the inner side wall of the open slot can penetrate into the inner side wall of the open slot, so that the clamping arm is firmly clamped on the open slot, and the clamping and fixing effects of the clamping piece on the sample tube are further improved.
Preferably, in the third step, two ends of the spring are respectively connected with the lower end parts of the two clamping arms, and when the driving mechanism abuts against and extrudes the lower end parts of the two clamping arms to approach inwards, the spring is extruded to be in a compressed state; when the driving mechanism is far away from the two clamping arms, the spring stretches through elasticity to drive the lower end parts of the two clamping arms to be opened, so that the upper end parts of the two clamping arms are close to the inside and return to the original position.
Preferably, the driving member in the driving mechanism in the second step can drive the plate to perform lifting movement; when the driving piece drives the plate to move upwards, the lower end parts of the two clamping arms gradually approach inwards under the space limitation of the inverted trapezoidal groove on the plate; when the driving piece drives the plate to move downwards, the space for placing the lower end parts of the two clamping arms is gradually enlarged by the groove, so that the two clamping arms can be gradually opened outwards under the elastic action of the spring.
Preferably, in the second step, the support leg on the lower end portion of the clamping arm can improve smoothness of the support movement of the lower end portion of the clamping arm and the groove in the process of lifting the plate.
Preferably, in the first step, the second frame plate of the frame body is positioned above the first frame plate, and the length of the support column between the first frame plate and the second frame plate is adjustable; the height of the second frame plate can be adjusted by adjusting the length of the supporting column; the clamping end of the clamping piece can extend out of the upper portion of the first frame plate through the first through hole in the first frame plate.
Preferably, in the first step, when the sample tube is placed on the rack, the bottom of the sample tube is located in the support ring on the first rack plate.
Preferably, the shaft body of the supporting column is slidably connected in the sleeve; the length of the supporting column can be adjusted by changing the length of the shaft body extending out of the sleeve.
Preferably, the fixing plate connected with the fixing plate is positioned at the bottom of the first frame plate; the upper end of the clamping arm may protrude from the second through hole in the stabilizing plate.
Compared with the prior art, the invention has the beneficial effects that:
1) The clamping method is simple and efficient, the bottom of the sample tube is clamped, the observation operation of the sample tube cannot be influenced compared with the traditional method for clamping the side wall of the sample tube, and the space utilization rate is high.
2) According to the invention, whether the sample tube is clamped or not is realized by the fact that the clamping piece is abutted against the inner side wall of the open slot at the outer bottom of the sample tube or not, the sample tube can be clamped as required, so that the sample tube can be uncapped in situ conveniently, the sample tube does not need to be taken out of the frame body and moved to other uncapping clamping mechanisms for uncapping sampling operation, the time cost is saved, and the uncapping efficiency is greatly improved;
3) The driving mechanism is skillfully matched with the clamping arm, the clamping arm is driven to open and close by lifting the plate, and when the clamping arm is opened, the clamping arm can be tightly abutted and clamped with an open slot at the bottom of the sample tube, so that the sample tube can be clamped and fixed; when the clamping arm is closed, the clamping arm is not abutted to the bottom of the sample tube, so that the sample tube can be loosened, and the sample tube can be freely taken and placed on the frame body.
Drawings
FIG. 1 is a schematic flow chart of a clamping method used in a sample tube decapping process according to the present invention;
FIG. 2 is a schematic view of the structure of an apparatus used in the clamping method of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a schematic view of a part of the structure of an apparatus used in the clamping method of the present invention;
FIG. 5 is an enlarged view at B in FIG. 4;
FIG. 6 is a schematic view of the assembly of the clamp arm and the fixing plate according to the present invention;
FIG. 7 is a schematic view showing the internal structure of the clamping arm assembled with the fixing plate according to the present invention;
FIG. 8 is a schematic structural view of a support column of the present invention;
FIG. 9 is a schematic view showing the internal structure of the support column of the present invention;
FIG. 10 is a schematic view of the sample tube in the unclamped state according to the present invention;
FIG. 11 is an enlarged view at C of FIG. 10;
FIG. 12 is a schematic view of the sample tube in a clamped state according to the present invention;
fig. 13 is an enlarged view at D in fig. 12.
In the drawings: 1-sample tube; 11-open slots; 12-a tube body; 13-a cover body; 2-a frame body; 21-a first shelf; 211 — a first via; 212-a support ring; 22-a second shelf; 221-an opening; 23-a support column; 231-a sleeve; 2311-a threaded hole; 232-shaft body; 2321-a limiting part; 2322-the shaft portion; 2323-milling grooves; 3-a clamping member; 31-a clamping end; 4-a clamping arm; 41-upper end; 411-tines; 42-a lower end portion; 421-supporting feet; 43-an intermediate portion; 431-abutment position; 432-gap; 5-a drive mechanism; 51-a plate; 511-grooves; 52-a drive member; 53-a spring; 54-a base plate; 55-backing plate 6-fixing plate; 61-long plate part; 62-short plate portion; 7-a stabilizing plate; 71-a second via; 8-pin.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "long", "short", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is only for convenience of description and simplicity of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
The technical scheme of the invention is further described in detail by the following specific embodiments in combination with the attached drawings:
example 1
As shown in fig. 1 to 13, an embodiment 1 of a clamping method used in a sample tube uncapping process includes the following specific operation steps:
the method comprises the following steps: placing the sample tube 1 on the frame body 2, wherein the clamping end 31 of the clamping piece 3 is positioned in the open slot 11 at the bottom of the sample tube 1;
step two: starting the driving mechanism 5, wherein the driving mechanism 5 is abutted and extruded with the clamping piece 3, so that the clamping end 31 of the clamping piece 3 is opened and is clamped with the inner side wall of the open slot 11; the sample tube 1 is in a clamping and fixing state, and the sample tube 1 can be uncapped;
step three: the driving mechanism 5 is started again, the driving mechanism 5 is separated from the clamping piece 3, the clamping end 31 of the clamping piece 3 is restored to the original position under the elastic force action of the spring 53, the sample tube 1 is in a loosening state at the moment, and the sample tube 1 can be freely taken and placed on the frame body 2.
Sample tube 1 is used for placing the sample of gathering in above-mentioned step one, and is concrete, sample tube 1 includes body 12 and lid 13, wherein the top of body 12 is the open end, the bottom of body 12 is the closed end, wherein lid 13 passes through the screw thread spiral cover at the top of body 12, the bottom outside of body 12 is equipped with open slot 11, open slot 11 sets up to middle shallow structure on every side, the degree of depth on every side of open slot 11 is greater than the degree of depth in the middle of open slot 11 promptly, set up the volume that both can increase pipe fitting 12 like this, can be convenient for again with 3 tight cooperations of clamp of holder.
When the sample tube 1 is placed on the frame body 2, the clamping end 31 of the clamping member 3 is just located in the opening 11 at the bottom of the sample tube 1, when the sample tube 1 needs to be uncapped, the clamping member 3 can clamp the bottom of the sample tube 1, the clamping members 3 are arranged in multiple numbers, and are arranged below the sample tubes 1 in a one-to-one correspondence manner, specifically, in this embodiment, the clamping member 3 includes a pair of clamping arms 4, namely two clamping arms 4, of course, the clamping member 3 can also be provided with multiple pairs of clamping arms 4 according to actual requirements, each clamping arm 4 includes an upper end portion 41, a lower end portion 42 and an intermediate portion 43, wherein the upper end portions 41 of the two clamping arms 4 form the clamping end 31, wherein the intermediate portion 43 is located between the upper end portion 41 and the lower end portion 42, and the upper end portion 41, the lower end portion 42 and the intermediate portion 43 are of an integrally formed structure.
The two clamping arms 4 are rotatably mounted on the fixing plates 6 through the pins 8, specifically, the middle portions 43 of the clamping arms 4 are rotatably mounted on the fixing plates 6 through the pins 8, the fixing plates 6 are arranged in two, the clamping arms 4 are located between the two fixing plates 6, and the upper portions of the upper end portions 41 and the lower portions of the lower end portions 42 extend out of the two fixing plates 6 and are located on the outer sides of the two fixing plates 6.
Wherein fixed plate 6 is L type structure, and is concrete, and fixed plate 6 includes long board portion 61 and short board portion 62, and wherein short board portion 62 connects perpendicularly in the one end of long board portion 61, and long board portion 61 and short board portion 62 are the integrated into one piece structure, and the one end of pin 8 is connected with the long board portion 61 of one of them fixed plate 6, and the other end of pin 8 is connected with the long board portion 61 of another fixed plate 6, is equipped with the through-hole that supplies pin 8 to pass on middle part 43, and middle part 43 rotates to cup joint on pin 8. According to the lever principle, when the lower end portion 42 of the clamp arm 4 is moved to one side, the upper end portion 41 of the clamp arm 4 is moved to the other side.
The intermediate portions 43 of the two clamp arms 4 abut at the abutting positions 431, the two clamp arms 4 have gaps 432 below the abutting positions 431, and the gaps 432 are arranged so that the lower end portions 42 of the two clamp arms 4 can approach inwards under the action of external force, and the upper end portions 41 of the two clamp arms 4 are further expanded outwards.
Wherein be connected with firm board 7 on the short plate portion 62 of fixed plate 6, firm board 7 is located the bottom of support body 2, is equipped with the second through-hole 71 that supplies the upper end 41 of clamping arm 4 to stretch out on firm board 7, and second through-hole 71 is the bar hole in this implementation.
As a preferable technical solution, the upper end 41 of the clamping arm 4 is provided with sharp teeth 411 at a side facing the side wall of the opening groove 11. When the upper end 41 of the clamping arm 4 abuts against the side wall of the groove 11, the end of the pointed tooth 411 can penetrate into the inner side wall of the open groove 11, the arrangement of the pointed tooth 411 can improve the stability of the abutment of the upper end 41 of the clamping arm 4 and the side wall of the groove 11, and further the clamping arm 4 can be enabled to be stable to abut against and clamp the sample tube 1, so that the sample tube 1 can be conveniently opened.
In the second step, the driving mechanism 5 is used for driving and extruding the lower end portions 42 of the two clamping arms 4 to move inward, specifically, the driving mechanism 5 includes a plate 51 and a driving member 52, wherein the driving member 52 selects a universal cylinder, a piston rod of the driving member 52 is connected to the plate 51, specifically, in this embodiment, the plate 51 is a strip-shaped plate, and is provided with a plurality of plates, the plurality of plates 51 are uniformly arranged on the bottom plate 54 at intervals, the piston rod of the driving member 52 is connected to the backing plate 55, the backing plate 55 is connected to the bottom of the bottom plate 54, when the driving member 52 works, the piston rod of the driving member 52 can pass through the backing plate 55, and the bottom plate 54 drives the plate 51 to move up and down.
Wherein, a plurality of grooves 511 are uniformly arranged on the plate 51 at intervals, the longitudinal section of the groove 511 in the embodiment is an inverted isosceles trapezoid, that is, the space volume of the groove 511 is gradually reduced from top to bottom, the grooves 511 on the plurality of plates 51 are respectively corresponding to the right lower part of the pair of clamping arms 4, and the lower end parts 42 of the clamping arms 4 are abutted against the inner side walls of the grooves 511.
The device used in the invention is characterized in that the frame body 2, the driving part 52 and the stabilizing plate 7 are all fixed on the corresponding operating platform in the using process.
The specific operation of the second step is as follows: the driving part 52 is started, the driving part 52 drives the plate 51 to move upwards, due to the space limitation of the groove 511, the side wall of the groove 511 is abutted to the lower end parts 42 of the two clamping arms 4 and extrudes the lower end parts 42 of the two clamping arms 4 to move inwards, under the cooperation of the pin 8, the upper end parts 41 of the two clamping arms 4 are mutually away from and opened and are abutted to and clamped with the inner side wall of the opening groove 11 at the bottom of the sample tube 1, at the moment, the sample tube 1 is in a clamping and fixing state under the clamping action of the clamping arms 4, the sample tube 1 cannot rotate freely or be taken and placed, and then the sample tube 1 can be opened.
The spring 53 is connected between the two clamp arms 4 in the third step, and specifically, one end of the spring 53 is connected to the lower end 42 of one of the clamp arms 4, and the other end of the spring 53 is connected to the lower end 42 of the other clamp arm 4. When the plate 51 moves upwards, the side walls of the groove 511 abut against the lower end portions 42 of the two clamping arms 4, the lower end portions 42 of the two clamping arms 4 can be gradually close to each other in the process of pressing, meanwhile, the spring 53 is pressed to be in a compressed state, when the plate 51 moves downwards, the space in which the lower end portions 42 of the two clamping arms 4 can be placed in the groove 511 is gradually increased, the pressing force of the lower end portions 42 of the two clamping arms 4 is gradually reduced, the lower end portions 42 of the two clamping arms 4 are gradually far away and separated from each other under the action of the elastic force of the spring 53, the upper end portions 41 of the two clamping arms 4 are also gradually and inwards close to the initial state until the initial state is restored, at the moment, the sample tube 1 is in a loose state, and the sample tube 1 can be freely taken and placed on the rack body 2.
The frame body 2 in the first step is used for placing the sample tube 1, and specifically, the frame body 2 comprises a first frame plate 21, a second frame plate 22 and a plurality of support pillars 23, the second frame plate 22 is arranged above the first frame plate 21, the plurality of support pillars 23 are arranged between the first frame plate 21 and the second frame plate 22, the second frame plate 22 is used for supporting and stabilizing the second frame plate 22, the support pillars 23 are totally four, the four support pillars are respectively arranged at four corners of the first frame plate 21, and the second frame plate 22 can be well stabilized.
In this embodiment, the supporting column 23 is retractable, so that the distance between the first frame plate 21 and the second frame plate 22 can be adjusted, specifically, the supporting column 23 includes a sleeve 231 and a shaft body 232, wherein the sleeve 231 is a hollow cylinder with an open end, wherein the shaft body 232 includes a limiting portion 2321 and a shaft portion 2322, wherein the limiting portion 2321 and the shaft portion 2322 are an integrated structure, wherein the area of the cross section of the limiting portion 2321 is greater than the area of the cross section of the shaft portion 2322, wherein one end of the limiting portion 2321 is connected with the second frame plate 22, the other end is connected with the shaft portion 2322, the other end of the shaft portion 2322 extends into the sleeve 231, and wherein the sleeve 231 is mounted on the first frame plate 21.
By adjusting the length of the shaft 2322 extending to the sleeve 231, the distance between the second frame plate 22 and the first frame plate 21 can be adjusted, and the sample tube 1 with different lengths can be adapted.
After the shaft 2322 is adjusted in length in the sleeve 231, the position of the shaft 232 may be fixed by a screw. Specifically, the sleeve 231 is provided with a screw hole 2311, and a screw is locked in the screw hole 2311, and an end portion of the screw is tightly abutted to the shaft portion 2322, so that the movement of the shaft portion 2322 in the sleeve 231 can be limited, and the position of the shaft body 232 can be fixed.
As preferred technical scheme, the interval is equipped with a plurality of milling flutes 2323 on the outer wall of axial part 2322, but on the screw got into sleeve 231 through screw hole 2311 after the butt can to milling flutes 2323, the setting of milling flutes 2323 can further improve the locking effect to axis body 232, and then improve the whole steadiness of support body 2
The second frame plate 22 is provided with an opening 221 for inserting the sample tube 1, the opening 221 is provided with a plurality of openings, the plurality of sample tubes 1 can be conveniently placed, the plurality of openings 221 are arranged in a square matrix manner in the embodiment, wherein the caliber of the opening 221 is larger than the caliber of the tube body 12 and smaller than the diameter of the cross section of the cover body 13, the tube body 12 of the sample tube 1 can enter between the first frame plate 21 and the second frame plate 22 through the opening 221, the bottom of the tube body 12 is abutted against the first frame plate 21, and the cover body 13 of the sample tube 1 cannot be abutted against the second frame plate 22 through the opening 221.
Wherein first frame plate 21 is equipped with the first through-hole 211 that supplies the upper end 41 of clamp arm 4 to stretch out, and first through-hole 211 is the bar hole, and the upper end 41 accessible first through-hole 211 of clamp arm 4 stretches out to the top of first frame plate 21, and when sample pipe 1 placed on support body 2, the upper end 41 of clamp arm 4 can be just in time located the open slot 11 of sample pipe 1 bottom.
The method comprises the following specific operation steps:
the method comprises the following steps: inserting the sample tube 1 into the frame body 2 through the opening 221 of the second frame plate 22, wherein the bottom of the sample tube 1 abuts against the first frame plate 21, and the upper end parts 41 of the two clamping arms 4 just extend into the opening groove 11 at the outer bottom of the sample tube 1;
step two: when the sample tube 1 needs to be clamped, the driving part 52 is started, the driving part 52 drives the plate 51 to move upwards, due to the space limitation of the groove 511, the side wall of the groove 511 is abutted against the lower end parts 42 of the two clamping arms 4 and presses the lower end parts 42 of the two clamping arms 4 to move inwards, meanwhile, the spring 53 is pressed to be in a compression state, under the matching of the pin 8, the upper end parts 41 of the two clamping arms 4 are separated from each other and opened and abutted against the inner side wall of the open slot 11 at the bottom of the sample tube 1 to be clamped, at the moment, the sample tube 1 is in a clamping and fixing state under the clamping action of the clamping arms 4, the sample tube 1 cannot freely rotate or be taken and placed, and further, the sample tube 1 can be opened;
step three: when the clamping of the sample tube 1 needs to be released, the driving member 52 is only restarted, so that the piston rod of the driving member 52 moves downwards, the driving member 52 drives the plate member 51 to move downwards, the groove 511 in the plate member 51 gradually disengages from the lower end portions 42 of the clamping arms 4 in the process that the plate member 51 moves downwards, the lower end portions 42 of the two clamping arms 4 are also far away from and open under the action of the elastic force of the spring 53, meanwhile, the upper end portions 41 of the two clamping arms 4 approach inwards and disengage from the side walls of the open groove 11 at the bottom of the sample tube 1, so that the sample tube 1 is in a loosened state, and at the moment, the sample tube 1 can be freely taken and placed from the tube rack 2.
The clamping method is simple and efficient, the bottom of the sample tube 1 is clamped, compared with the traditional method for clamping the side wall of the sample tube, the observation operation of the sample tube 1 cannot be influenced, the space utilization rate is high, whether the sample tube 1 is clamped or not is realized through the abutting of the clamping arm and the side wall of the open slot 11 at the outer bottom of the sample tube 1, the sample tube 1 can be clamped as required, so that the sample tube 1 can be uncapped in situ conveniently, the sample tube 1 does not need to be taken out of the frame body 2 and moved to other uncapping clamping mechanisms for uncapping sampling operation, the time is saved, the uncapping efficiency is improved, the working efficiency is further improved to the greatest extent, and the method has very high use advantage in large-scale screening.
Example 2
The embodiment is an embodiment 2 of a clamping method used in a sample tube uncapping process, and the embodiment is different from the embodiment 1 in that: in this embodiment, the first frame plate 21 is provided with a support ring 212 for supporting the sample tube 1, the support ring 212 is located below the opening 221, and the first through hole 211 is located in the support ring 212, when the sample tube 1 is placed on the frame body 2, the bottom of the tube body 12 can be located in the support ring 212, and the support ring 212 can improve the stability of placing the sample tube 1 on the frame body 2.
Example 3
The embodiment is an embodiment 3 of a clamping method used in a sample tube uncapping process, and the embodiment is different from the embodiment 2 in that: in this embodiment, the lower end 42 of the clamping arm 4 is provided with the supporting leg 421, the edge of the supporting leg 421 is of an arc structure, the plate 51 is lifted and lowered, the groove 511 on the plate 51 can be smoothly abutted and moved with the supporting leg 421, the friction force between the lower end 42 of the clamping arm 4 and the groove 511 can be greatly reduced by the supporting leg 421, the clamping efficiency is improved, and the service life of the device can be prolonged.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A clamping method used in a sample tube uncovering process is characterized in that: the method comprises the following specific operation steps:
the method comprises the following steps: placing a sample tube (1) on a frame body (2), wherein a clamping end (31) of a clamping piece (3) is positioned in an open slot (11) at the bottom of the sample tube (1);
step two: starting a driving mechanism (5), wherein the driving mechanism (5) is abutted and extruded with the clamping piece (3) to open a clamping end (31) of the clamping piece (3) and clamp the inner side wall of the open slot (11); the sample tube (1) is in a clamping and fixing state, and the sample tube (1) can be uncapped;
step three: and the driving mechanism (5) is started again, the driving mechanism (5) is separated from the clamping piece (3), the clamping end (31) of the clamping piece (3) is restored to the original position under the elastic force action of the spring (53), the sample tube (1) is in a loosening state at the moment, and the sample tube (1) can be freely taken and placed on the frame body (2).
2. The clamping method for use in a sample tube decapping process according to claim 1, wherein: in the second step, the two clamping arms (4) of the clamping piece (3) are rotatably mounted on the fixing plate (6) through the pins (8), the middle parts (43) of the two clamping arms (4) are abutted, gaps are formed below the abutted parts of the two clamping arms (4), the driving mechanism (5) is abutted and extruded with the lower end parts (42) of the two clamping arms (4), so that the upper end parts (41) of the two clamping arms (4) are opened to be clamped with the inner side wall of the open slot (11), and the sample tube (1) is in a clamping and fixing state.
3. The clamping method for the uncapping process of the sample tube according to claim 2, wherein the clamping method comprises the following steps: when the upper end (41) of the clamping arm (4) is clamped with the inner side wall of the open slot (11) in the second step, the end, facing the sharp tooth (411) of the inner side wall of the open slot (11), of the upper end (41) of the clamping arm (4) can penetrate into the inner side wall of the open slot (11), so that the clamping arm (4) is firmly clamped on the open slot (11), and the clamping and fixing effects of the clamping piece (3) on the sample tube (1) are further improved.
4. The clamping method for the uncapping process of the sample tube according to claim 2, wherein the clamping method comprises the following steps: in the third step, two ends of the spring (53) are respectively connected with the lower end parts (42) of the two clamping arms (4), and when the driving mechanism (5) is abutted and extrudes the lower end parts (42) of the two clamping arms (4) to be close inwards, the spring (53) is extruded to be in a compression state; when the driving mechanism (5) is far away from the two clamping arms (4), the spring (53) drives the lower end parts (42) of the two clamping arms (4) to be opened through elastic force extension, so that the upper end parts (41) of the two clamping arms (4) are close inwards and return to the original position.
5. The clamping method for use in a sample tube decapping process according to claim 4, wherein: in the second step, a driving piece (52) in the driving mechanism (5) can drive a plate piece (51) to do lifting movement; when the driving piece (52) drives the plate (51) to move upwards, the lower end parts (42) of the two clamping arms (4) gradually approach inwards under the space limitation of the inverted trapezoidal groove (511) on the plate (51); when the driving piece (52) drives the plate piece (51) to move downwards, the space for placing the lower end parts (42) of the two clamping arms (4) is gradually increased by the groove (511), so that the two clamping arms (4) can be gradually opened outwards under the action of the elastic force of the spring (53).
6. The clamping method for the uncapping process of the sample tube according to claim 5, wherein the clamping method comprises the following steps: in the second step, in the process that the plate (51) is lifted, the abutting foot (421) on the lower end part (42) of the clamping arm (4) can improve the smoothness of abutting movement of the lower end part (42) of the clamping arm (4) and the groove (511).
7. The clamping method for use in a sample tube decapping process according to claim 1, wherein: in the first step, the second frame plate (22) of the frame body (2) is positioned above the first frame plate (21), and the length of a supporting column (23) between the first frame plate (21) and the second frame plate (22) is adjustable; the height of the second frame plate (22) can be adjusted by adjusting the length of the supporting column (23); the clamping end (31) of the clamping piece (3) can extend out of the first frame plate (21) through the first through hole (211) in the first frame plate (21).
8. The clamping method for use in a sample tube decapping process according to claim 7, wherein: in the first step, when the sample tube (1) is placed on the rack body (2), the bottom of the sample tube (1) is positioned in the support ring (212) on the first rack plate (21).
9. The clamping method for use in a sample tube decapping process according to claim 7, wherein: the shaft body (232) of the supporting column (23) is connected in the sleeve (231) in a sliding manner; the length of the supporting column (23) can be adjusted by changing the protruding length of the shaft body (232) in the sleeve (231).
10. The clamping method for the uncapping process of the sample tube according to claim 2, wherein the clamping method comprises the following steps: the stabilizing plate (7) connected with the fixing plate (6) is positioned at the bottom of the first frame plate (21); the upper end (41) of the clamping arm (4) can protrude from a second through hole (71) in the securing plate (7).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210719473.1A CN115196567B (en) | 2022-06-23 | 2022-06-23 | Clamping method used in sample tube uncovering process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210719473.1A CN115196567B (en) | 2022-06-23 | 2022-06-23 | Clamping method used in sample tube uncovering process |
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| CN115196567A true CN115196567A (en) | 2022-10-18 |
| CN115196567B CN115196567B (en) | 2023-04-11 |
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| US6718607B1 (en) * | 1999-03-08 | 2004-04-13 | Gillet Outillage | Equipment for fixing an elastic clamp band |
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| CN113353866A (en) * | 2021-06-24 | 2021-09-07 | 宁波市疾病预防控制中心 | Test tube device of uncapping |
| CN113387309A (en) * | 2021-03-09 | 2021-09-14 | 杭州凯莱谱质造科技有限公司 | Test tube equipment of uncapping |
| CN215749130U (en) * | 2021-08-13 | 2022-02-08 | 杭州申昊科技股份有限公司 | Push-clamping mechanism |
| CN216718467U (en) * | 2021-12-29 | 2022-06-10 | 安图实验仪器(郑州)有限公司 | Test tube righting mechanism and full-automatic sample processing system |
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2022
- 2022-06-23 CN CN202210719473.1A patent/CN115196567B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11170133A (en) * | 1997-12-15 | 1999-06-29 | Pascal Kk | Clamp device |
| US6718607B1 (en) * | 1999-03-08 | 2004-04-13 | Gillet Outillage | Equipment for fixing an elastic clamp band |
| CN101798048A (en) * | 2010-03-17 | 2010-08-11 | 珠海倍健电子科技有限公司 | Control system for full-automatic vacuum test tube uncapping machine |
| CN109534258A (en) * | 2019-01-28 | 2019-03-29 | 上海奥普生物医药有限公司 | Cap test tube clamping device, test tube uncap closing lid device and test tube is uncapped closing lid machine |
| CN113387309A (en) * | 2021-03-09 | 2021-09-14 | 杭州凯莱谱质造科技有限公司 | Test tube equipment of uncapping |
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| CN216718467U (en) * | 2021-12-29 | 2022-06-10 | 安图实验仪器(郑州)有限公司 | Test tube righting mechanism and full-automatic sample processing system |
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|---|---|
| CN115196567B (en) | 2023-04-11 |
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