CN114112512A - Blood cell analysis apparatus and puncture locking assembly - Google Patents
Blood cell analysis apparatus and puncture locking assembly Download PDFInfo
- Publication number
- CN114112512A CN114112512A CN202010887704.0A CN202010887704A CN114112512A CN 114112512 A CN114112512 A CN 114112512A CN 202010887704 A CN202010887704 A CN 202010887704A CN 114112512 A CN114112512 A CN 114112512A
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- Prior art keywords
- arm
- clamping arm
- test tube
- fixed
- puncture
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
- B01L9/06—Test-tube stands; Test-tube holders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
Abstract
The invention provides a blood cell analysis device and a puncture locking assembly thereof, wherein the puncture locking assembly comprises a synchronous belt, a first clamping arm and a second clamping arm, the synchronous belt is in a ring shape and comprises a first sideband part and a second sideband part which are arranged in parallel relatively; the first clamping arm and the first sideband part are fixed to move synchronously with the first sideband part when the synchronous belt rotates; the second clamping arm is fixed with the second side belt part to synchronously move with the second side belt part when the synchronous belt rotates; wherein, when the hold-in range clockwise turning, first arm lock, second arm lock keep away from each other, and when the hold-in range anticlockwise turning, first arm lock, second arm lock are close to each other and are held up the test tube of treating the puncture sample with pressing from both sides tightly. The hemocyte analysis equipment and the puncture locking assembly thereof provided by the invention utilize the clockwise or anticlockwise rotation of the synchronous belt to realize the opening and closing actions of the first clamping arm and the second clamping arm so as to clamp and right a test tube in the test tube holder, have novel structures and convenient use, and can improve the reliability and stability of puncture actions.
Description
Technical Field
The invention relates to the technical field of blood cell analysis, in particular to blood cell analysis equipment and a puncture locking assembly.
Background
In blood cell analysis equipment, test tubes are mostly transported to a sampling station through a test tube carrier for puncture sampling by a sampling needle and subsequent detection, and the test tube carrier is provided with a test tube insertion channel.
When the diameter of test tube insertion passageway differed less with the external diameter of test tube, the user operation deviation or the slight shake of test tube carrier in the transportation process can lead to taking place to incline between test tube and the test tube insertion passageway when inserting the test tube on the test tube carrier, and makes the test tube not be in vertical sampling position, is unfavorable for the sampling needle to carry out the puncture sampling action.
Disclosure of Invention
The invention provides a hemocyte analysis device and a puncture locking assembly, which can solve the technical problem that in the prior art, a test tube is not in a vertical sampling position due to the inclination between the test tube and a test tube insertion channel, so that a puncture sampling action of a sampling needle is not facilitated.
In order to solve the technical problems, the invention adopts a technical scheme that: providing a puncture lock assembly, the puncture lock assembly comprising:
the synchronous belt is in a ring shape and comprises a first sideband part and a second sideband part which are arranged in parallel relatively;
a first clamp arm fixed to the first sideband part to move in synchronization with the first sideband part when the synchronous belt rotates;
the second clamping arm is fixed with the second side belt part and moves synchronously with the second side belt part when the synchronous belt rotates;
when the synchronous belt rotates clockwise, the first clamping arm and the second clamping arm are far away from each other, and when the synchronous belt rotates anticlockwise, the first clamping arm and the second clamping arm are close to each other to clamp and centralize a test tube to be punctured and sampled.
According to a specific embodiment of the present invention, the puncture lock assembly further comprises:
a substrate;
the motor is fixed with the substrate;
the driving belt wheel is arranged at the output end of the motor and used for sleeving one end of the synchronous belt;
and the driven belt wheel is arranged on the base plate and used for sleeving the other end of the synchronous belt.
According to a specific embodiment of the present invention, the puncture lock assembly further comprises:
the sliding rail is fixed with the substrate;
the first sliding block is fixed with the first clamping arm and is in sliding fit with the sliding rail;
and the second sliding block is fixed with the second clamping arm and is in sliding fit with the sliding rail.
According to an embodiment of the present invention, the puncture locking assembly further includes a pair of first photoelectric sensors, the pair of first photoelectric sensors are fixedly disposed relative to the base plate, and the pair of first photoelectric sensors are configured to detect whether a test tube cap is present or not after the first clamping arm and the second clamping arm approach each other and clamp and centralize a test tube to be punctured for sampling.
According to a specific embodiment of the present invention, the puncturing and locking assembly further includes a spacer, the spacer is fixed to the base, the first clamping arm and the second clamping arm are respectively disposed on two sides of the spacer, and the spacer is configured to mechanically limit and protect a minimum distance between the first clamping arm and the second clamping arm.
According to a specific embodiment of the present invention, the puncture locking assembly further includes a second photoelectric sensor and a light blocking sheet, the second photoelectric sensor is fixedly disposed relative to the substrate, the second photoelectric sensor has a detection groove, the light blocking sheet is fixed to the first sideband portion or the second sideband portion, and the light blocking sheet passes through the detection groove when moving synchronously with the first sideband portion or the second sideband portion so as to be used for positioning detection in cooperation with an initial position.
According to an embodiment of the present invention, the substrate is provided with a window, the timing belt is disposed on one side of the substrate, and the first clamp arm and the second clamp arm are connected to the timing belt and extend to the other side of the substrate through the window.
According to an embodiment of the present invention, the first clamping arm includes a first fixing arm and a first elastic arm connected to the first fixing arm, the second clamping arm includes a second fixing arm and a second elastic arm connected to the second fixing arm, and the first elastic arm and the second elastic arm together clamp a test tube to be punctured and sampled.
According to an embodiment of the present invention, the first elastic arm and the second elastic arm are formed by bending metal sheets and have a V-shaped or arc-shaped first press-connection part and a second press-connection part matching with an outer wall of the test tube, or a flexible pad is further disposed on the first press-connection part and the second press-connection part.
In order to solve the technical problem, the invention adopts another technical scheme that: providing a blood cell analysis device which comprises the puncture locking assembly and a relay assembly, wherein the relay assembly is used for conveying a test tube to the position below the puncture locking assembly through a test tube carrier, and the puncture locking assembly enables the first clamping arm and the second clamping arm to perform opening and closing actions based on clockwise or anticlockwise rotation of the synchronous belt so as to clamp and right the test tube in the test tube carrier.
The invention has the beneficial effects that: different from the situation of the prior art, the hemocyte analysis equipment and the puncture locking assembly thereof provided by the invention realize the opening and closing actions of the first clamping arm and the second clamping arm by utilizing the clockwise or anticlockwise rotation of the synchronous belt so as to clamp and right the test tube in the test tube holder, have novel structures and convenient use, and can improve the reliability and stability of puncture actions.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a front view of a spike lock assembly according to one embodiment of the present invention;
FIG. 2 is a perspective view of a puncture lock assembly according to an embodiment of the present invention;
FIG. 3 is a perspective view of another perspective of the spike lock assembly provided in accordance with one embodiment of the present invention;
fig. 4 is an exploded view of the puncture lock assembly according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive work based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a lancing locking assembly, which mainly includes a timing belt 130, a first clamping arm 142, and a second clamping arm 144.
The timing belt 130 may be a race track-shaped ring, the timing belt 130 includes a first sideband part 131 and a second sideband part 132 that are arranged in parallel, and the timing belt 130 further includes arc parts (not numbered, and both ends of the timing belt 130 are shielded by the substrate 110 in fig. 1) connected to both ends of the first sideband part 131 and the second sideband part 132.
The first clamping arm 142 is fixed to the first sideband part 131 to move synchronously with the first sideband part 131 when the timing belt 130 rotates, the second clamping arm 144 is fixed to the second sideband part 132 to move synchronously with the second sideband part 132 when the timing belt 130 rotates, wherein when the timing belt 130 rotates clockwise, the first clamping arm 142 and the second clamping arm 144 move away from each other (the limit state of moving away from each other is approximately presented in fig. 1), when the timing belt 130 rotates counterclockwise, the first clamping arm 142 and the second clamping arm 144 move close to each other to clamp and centralize the test tube 10 to be punctured and sampled, the test tube 10 in fig. 1 is drawn vertically, and in practical cases, the test tube 10 is generally obliquely inserted into the test tube insertion channel of the test tube carrier 20.
In the embodiment of the present invention, the first and second edge band portions 131 and 132 may be horizontally disposed and respectively located on the upper and lower horizontal planes, with reference to the driving pulley 122 and the driven pulley 124 (see the drawings), the first and second rim belt parts 131 and 132 are disposed in parallel with each other at a distance from each other on the upper and lower sides of the driving pulley 122 and the driven pulley 124, when the geometric center of the timing belt 130 is used as a reference, the first and second clamp arms 142 and 144 may be connected to the first and second side belt parts 131 and 132 of the diagonal quadrant region of the timing belt 130, that is, when the first clip arm 142 is positioned on the first sideband part 131 of the first quadrant (on the right side of the first sideband part 131), the second clip arm 144 is positioned on the second side band portion 132 of the third quadrant (to the left of the second side band portion 132), the amount of rotation of the timing belt 130 is controlled, the amount of rotation is approximately one-quarter of the circumference of the timing belt 130, clockwise or counterclockwise.
Specifically, referring to fig. 2 to 4, the lancing locking assembly further includes a substrate 110, a motor 120, a driving pulley 122, a driven pulley 124, a slide rail 150, a first slider 151, a second slider 152, a spacer 153, a pair of first photoelectric sensors 161, a second photoelectric sensor 170, and a light blocking sheet 172.
The substrate 110 may have a window 111, the substrate 110 may include a main body plate 112 and a flap plate 113 disposed on a side of the main body plate 112, the substrate 110 may be in a groove-shaped plate shape, and the window 111 is disposed on the main body plate 112. The body panel 112 may lie in a vertical plane and the flap 113 may lie in a horizontal plane.
The first supplementary mounting bracket 121 of motor 120 accessible is fixed mutually with the dorsal part of base plate 110, the output of motor 120 is located to driving pulley 122, a one end for putting hold-in range 130 in the cover, driven pulley 124 installs in base plate 110, a another end for putting hold-in range 130 in the cover, the relative both sides of window 111 can be located respectively to driving pulley 122 and driven pulley 124, driving pulley 122, driven pulley 124, hold-in range 130 can mesh each other in order to play the antiskid effect, motor 120 can adopt step motor, predetermine in the same direction as needle or anticlockwise rotation volume.
In order to improve the stability of the first and second clamp arms 142 and 144 when opening and closing, the base 110 is further provided with a slide rail 150, the slide rail 150 is fixed to the base 110 and can be located below the window 111 and arranged along the horizontal direction, the first slider 151 is fixed to the first clamp arm 142 and is in sliding fit with the slide rail 150, and the second slider 152 is fixed to the second clamp arm 144 and is in sliding fit with the slide rail 150.
The spacer 153 is fixed to the substrate 110, the spacer 153 may be located below the window 111 and at two sides of the slide rail 150, the first clamping arm 142 and the second clamping arm 144 are respectively disposed at two sides of the spacer 153, the spacer 153 is used for mechanical limiting protection of a minimum distance between the first clamping arm 142 and the second clamping arm 144, and the spacer 153 may be a pin or a screw.
The relative base plate 110 of a pair of first photoelectric sensor 161 accessible second auxiliary mounting frame 162 is fixed to be set up, a pair of first photoelectric sensor 161 can be the correlation opto-coupler, including being located first arm lock 142, the transmitting terminal and the receiving terminal in second arm lock 144 outside, a pair of first photoelectric sensor 161 is used for at first arm lock 142, second arm lock 144 is close to each other and presss from both sides the tight test tube cap 12 of going on behind the test tube 10 of treating the puncture sample of righting and has or not detect, it is more accurate to carry out the test tube cap 12 and have or not detect relatively to carry out the test tube cap 12 under the tilt state under pressing from both sides tight righting state, the condition that can not appear detecting when carrying out the test tube cap 12 under the tilt state and having or not detect. If the test result is that there is the test tube cap 12, then can normally carry out subsequent mixing operation, if reverse mixing operation, if the test result is for not having test tube cap 12, then send corresponding warning signal and suspend, avoid not having test tube cap 12's test tube 10 to carry out mixing operation and lead to the sample to reveal the pollution instrument.
The second photo sensor 170 may be fixedly disposed with respect to the substrate 110 by a third auxiliary mounting bracket 173, the second photo sensor 170 includes a transmitting end and a receiving end and a detecting groove 171 formed therebetween, the light blocking sheet 172 is fixed to the first sideband part 131 or the second sideband part 132, and the light blocking sheet 172 passes through the detecting groove 171 when moving synchronously with the first sideband part 131 or the second sideband part 132 for positioning detection in cooperation with an initial position. In normal use or unexpected power failure, the initial position may not be at the preset ideal position, so the initial position can be determined by moving the light blocking plate 172 into the detection groove 171.
In the embodiment of the present invention, the timing belt 130 is disposed on one side of the substrate 110, the first clamping arm 142 and the second clamping arm 144 are connected to the timing belt 130 and extend to the lower portion of the other side of the substrate 110 through the window 111, and the first clamping arm 142 and the second clamping arm 144 may be an integral structure with elasticity or separate components, and at least some of the components have elasticity, so as to perform an elastic buffering function. Specifically, the first clamping arm 142 may include a first fixing arm 1421 and a first elastic arm 1422 connected to the first fixing arm 1421, the first fixing arm 1421 is configured to be fixedly connected to the first rim strip 131, the second clamping arm 144 may include a second fixing arm 1441 and a second elastic arm 1442 connected to the second fixing arm 1441, the second fixing arm 1441 is configured to be fixedly connected to the second rim strip 132, the first elastic arm 1422 and the second elastic arm 1442 may be formed by bending metal sheets and have a V-shaped or arc-shaped first press-contact part 1423 and a second press-contact part 1443 matching with the outer wall of the test tube 10, and the first press-contact part 1423 and the second press-contact part 1443 may further be provided with a flexible pad 146, such as a rubber pad, so as to achieve a flexible buffer protection effect. The first elastic arm 1421 and the second elastic arm 1442 jointly hold the test tube 200 to be pierced and sampled.
The embodiment of the present invention further provides a blood cell analysis apparatus, which includes the aforementioned puncture locking assembly, a relay assembly and a sampling needle assembly, wherein the relay assembly is used for transporting a test tube 10 to a position below the puncture locking assembly through a test tube carrier 20, the puncture locking assembly enables a first clamping arm 142 and a second clamping arm 144 to perform an opening and closing action to clamp and centralize the test tube 10 in the test tube carrier 20 based on the clockwise or counterclockwise rotation of the synchronous belt 130, and the sampling needle assembly is located in an upper direction of the puncture locking assembly and is used for performing Z-down sampling after the first clamping arm 142 and the second clamping arm 144 approach each other and clamp and centralize the test tube 10 to be punctured and sampled.
In summary, it is easily understood by those skilled in the art that the blood cell analyzer and the puncturing locking assembly thereof provided by the present invention utilize the clockwise or counterclockwise rotation of the timing belt 130 to realize the opening and closing actions of the first clamping arm 142 and the second clamping arm 144 to clamp and centralize the test tube 10 in the test tube carrier 20, and the structure is novel, the use is convenient, and the reliability and stability of the puncturing action can be improved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A puncture lock assembly, comprising:
the synchronous belt is in a ring shape and comprises a first sideband part and a second sideband part which are arranged in parallel relatively;
a first clamp arm fixed to the first sideband part to move in synchronization with the first sideband part when the synchronous belt rotates;
the second clamping arm is fixed with the second side belt part and moves synchronously with the second side belt part when the synchronous belt rotates;
when the synchronous belt rotates clockwise, the first clamping arm and the second clamping arm are far away from each other, and when the synchronous belt rotates anticlockwise, the first clamping arm and the second clamping arm are close to each other to clamp and centralize a test tube to be punctured and sampled.
2. The puncture lock assembly of claim 1, further comprising:
a substrate;
the motor is fixed with the substrate;
the driving belt wheel is arranged at the output end of the motor and used for sleeving one end of the synchronous belt;
and the driven belt wheel is arranged on the base plate and used for sleeving the other end of the synchronous belt.
3. The lancing locking assembly of claim 2, further comprising a pair of first photoelectric sensors, the pair of first photoelectric sensors being relatively fixedly disposed on the base plate, the pair of first photoelectric sensors being configured to detect the presence or absence of a cap of a test tube after the first and second clamping arms approach each other and clamp the test tube to be lanced and sampled.
4. The puncture lock assembly of claim 2, wherein: the puncture lock assembly further includes:
the sliding rail is fixed with the substrate;
the first sliding block is fixed with the first clamping arm and is in sliding fit with the sliding rail;
and the second sliding block is fixed with the second clamping arm and is in sliding fit with the sliding rail.
5. The lancing locking assembly of claim 1, further comprising a spacer, wherein the spacer is fixed to the base, the first clamping arm and the second clamping arm are respectively disposed on two sides of the spacer, and the spacer is configured to mechanically limit and protect a minimum distance between the first clamping arm and the second clamping arm.
6. The spike lock assembly of claim 2 further comprising a second photoelectric sensor fixedly disposed relative to the base plate and having a detection slot, and a flag secured to the first sideband portion or the second sideband portion, the flag passing through the detection slot upon synchronous movement with the first sideband portion or the second sideband portion for registration detection of an initial position.
7. The lancing locking assembly of claim 2, wherein the base plate has a window, the timing belt is disposed on one side of the base plate, and the first and second clamping arms are connected to the timing belt and extend through the window to the other side of the base plate.
8. The lancing locking assembly of claim 7, wherein the first clamping arm includes a first fixed arm and a first resilient arm connected to the first fixed arm, and the second clamping arm includes a second fixed arm and a second resilient arm connected to the second fixed arm, the first resilient arm and the second resilient arm together gripping a test tube to be lanced for sampling.
9. The puncture lock assembly according to claim 8, wherein the first and second resilient arms are formed by bending a metal sheet and have first and second crimping portions having a V-shape or an arc shape matching the outer wall of the test tube, or further provided with a flexible pad thereon.
10. A hematology analysis device, comprising the puncture lock assembly of any one of claims 1-9, a relay assembly for transporting a test tube through a test tube carrier to below the puncture lock assembly, the puncture lock assembly causing the first and second clamp arms to open and close to clamp and centralize the test tube in the test tube carrier based on clockwise or counterclockwise rotation of the timing belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010887704.0A CN114112512A (en) | 2020-08-28 | 2020-08-28 | Blood cell analysis apparatus and puncture locking assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010887704.0A CN114112512A (en) | 2020-08-28 | 2020-08-28 | Blood cell analysis apparatus and puncture locking assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114112512A true CN114112512A (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010887704.0A Pending CN114112512A (en) | 2020-08-28 | 2020-08-28 | Blood cell analysis apparatus and puncture locking assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN114112512A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114354957A (en) * | 2022-03-18 | 2022-04-15 | 深圳市帝迈生物技术有限公司 | Sample analyzer field cleaning method and sample analyzer |
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| CN109375282A (en) * | 2018-10-10 | 2019-02-22 | 中国长城葡萄酒有限公司 | Bottleneck Capsule detection device and method |
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2020
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| CN201368811Y (en) * | 2009-03-11 | 2009-12-23 | 山东兰桥医学科技有限公司 | Driving mechanism of sampling needle |
| CN203459300U (en) * | 2013-09-18 | 2014-03-05 | 金坛市金旺包装科技有限公司 | Bottle inspection and elimination device |
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