CN202547975U - Puncture sampling mechanism and hematology analyzer thereof - Google Patents
Puncture sampling mechanism and hematology analyzer thereof Download PDFInfo
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- CN202547975U CN202547975U CN 201220173380 CN201220173380U CN202547975U CN 202547975 U CN202547975 U CN 202547975U CN 201220173380 CN201220173380 CN 201220173380 CN 201220173380 U CN201220173380 U CN 201220173380U CN 202547975 U CN202547975 U CN 202547975U
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Abstract
The utility model discloses a puncture sampling mechanism. Two guide rods parallel to each other are arranged on a rack along the axial direction, and a puncture device and a sampling device are sequentially sleeved on the guide rods from bottom to top and can slide along the guide rods; the sampling device is driven to move by a first drive device; the puncture device is driven to move by a second drive device; a control device is electrically connected with and controls the sampling device and the puncture device, the second drive device of the puncture device comprises a drive structure and a second motor, and the drive structure comprises a nut and a lead screw; the lead screw is connected with the second motor, and the nut is sleeved on the lead screw, is matched with a thread on the lead screw and is connected with the puncture device; and the second motor is controlled to rotate to drive the lead screw to rotate, and thus, the puncture device which is connected with the nut is driven to move along the guide rods. The embodiment of the utility model further provides a corresponding hematology analyzer. By virtue of the technical scheme provided by the utility model, the problems that the existing puncture sampling mechanism is easy to be blocked, has high machining precision requirement and is not contributed to modularization are solved.
Description
Technical field
The utility model relates to the blood cell analysis apparatus field, is specifically related to a kind of puncture sampling mechanism and cellanalyzer thereof.
Background technology
Cellanalyzer is a kind of instrument that haemocyte is analyzed, thereby it is through sampling to the invisible spectro blood sample of packing into and passing through and handle the relevant parameter that draws various cells in the blood.Because the blood of human body all is leave a sealing in invisible spectro after extraction, therefore between analyzing, the first seal to test tube of needs punctures and through this puncturing hole sampling needle is inserted the sampling that test tube carries out blood again; The mechanism that accomplishes this continuous action is commonly referred to puncture sampling mechanism, because sampling needle is longer, and diameter is less; About 1mm; So need to puncture and to sample separately, sample again after puncturing with thicker puncture needle earlier, that is to say; Sampling needle is coaxial with puncture needle, and inner at puncture needle.
The sampling apparatus of present existing puncture sampling mechanism adopts eccentric gear to drive, thereby realizes moving up and down of sting device, but there is certain defective in it.At first, the eccentric wheel requisite space is bigger, and it is big to drive its motor rotating staring torque, and in operational process, occurs stuck phenomenon easily; Once more, motor drives the eccentric wheel rotation through gear drive, and gear drive is had relatively high expectations to processing and assembly precision, and the life-span is lower; At last, eccentric wheel takes up space bigger, can not be designed in the same module with the puncture sampling apparatus, promptly can not move together with the puncture sampling module, and is unfavorable to modular design, safeguards inconvenience.
The utility model content
The utility model embodiment provides a kind of puncture sampling mechanism and cellanalyzer thereof, and puncture sampling mechanism is stuck easily in the prior art, requirement on machining accuracy is high, be unfavorable for modular problem to solve.
A kind of puncture sampling mechanism that the utility model provides; Comprise frame, sting device, sampling apparatus, control device; Said frame is provided with two guide poles that are parallel to each other vertically; Sting device and sampling apparatus are set on the guide pole by order from the bottom to top, and can slide along guide pole; Said sampling apparatus drives its motion through one first drive unit; Said sting device drives its motion through one second drive unit; Control device is electrically connected control sampling apparatus and sting device; With the motion of control sting device, sampling apparatus with stop; It is characterized in that second drive unit of said sting device comprises a drive mechanism and one second motor, said drive mechanism comprises a nut, a screw mandrel; Said screw mandrel links to each other with said second motor; Said nut sleeve is on said screw mandrel; With the threads engaged on the said screw mandrel, said nut connects sting device, moves along guide pole thereby drive the sting device that is connected with nut through the rotating band movable wire bar rotation of controlling said second motor.
A kind of cellanalyzer that the utility model provides; It comprises puncture sampling mechanism; Said puncture sampling mechanism comprises frame, sting device, sampling apparatus, control device; Said frame is provided with two guide poles that are parallel to each other vertically, and sting device and sampling apparatus are set on the guide pole by order from the bottom to top, and can slide along guide pole; Said sampling apparatus drives its motion through one first drive unit; Said sting device drives its motion through one second drive unit; Control device is electrically connected control sampling apparatus and sting device; With the motion of control sting device, sampling apparatus with stop; It is characterized in that second drive unit of said sting device comprises a drive mechanism and one second motor, said drive mechanism comprises a nut, a screw mandrel; Said screw mandrel links to each other with said second motor; Said nut sleeve is on said screw mandrel; With the threads engaged on the said screw mandrel, said nut connects sting device, moves along guide pole thereby drive the sting device that is connected with nut through the rotating band movable wire bar rotation of controlling said second motor.
Adopt the puncture sampling mechanism and the cellanalyzer thereof of the utility model to have following beneficial effect:
1, owing to adopt motor to drive sting device, stuck easily and processing of sampling eccentric gear and assembly precision is had relatively high expectations, the life-span is lower drawback have therefore been overcome through screw mandrel and nut combinations mode.
2, owing to the back side that motor directly is fixed on frame, the structure of screw mandrel and nut is also saved the space, therefore can with the design of puncture sampling apparatus in same module, maintain easily and install, dismantle.
Description of drawings
Fig. 1 is the one-piece construction synoptic diagram of the puncture sampling mechanism that provides of first kind of embodiment of the utility model;
Fig. 2 is the exploded perspective view of the puncture sampling mechanism that provides of first kind of embodiment of the utility model.
Embodiment
The utility model embodiment provides a kind of puncture sampling mechanism, and it is arranged in the cellanalyzer, is used for haemocyte is sampled.The utility model embodiment also provides corresponding cellanalyzer.Below be elaborated respectively.
Embodiment one,
Please refer to Fig. 1, Fig. 2, for the utility model embodiment provide a kind of puncture the sampling mechanism one-piece construction synoptic diagram and explosive view thereof.
This puncture sampling mechanism comprises frame 1, sampling apparatus 2, sting device 3; Control device (scheming not shown); Said frame 1 is provided with two guide poles 11 that are parallel to each other vertically; Sting device 3 and sampling apparatus 2 are set on the guide pole 11 by order from the bottom to top, and can slide up and down along the guide pole on the frame 1; Said sampling apparatus 2 through first drive unit drive, said sting device 3 drives through second drive unit; Said control device is electrically connected control sampling apparatus 2 and sting device 3 respectively, thus the startup of control sting device 3 and sampling apparatus 2 and stopping, thus realize the robotization of entire mechanism.
Said sampling apparatus 2 comprises a sampling slide block 23 along guide pole 11 slips; And the web member 25 of a connection first drive unit; Said first drive unit is for to drive with the bel-drivenn mode through one first motor 21, and said driving-belt 22 is an annular, and said web member 25 1 ends are clamped annular driving band 22; Thereby drive the motion of sampling slide block 23 through the motion that first motor 21 drives driving-belts 22, said first motor 21 is fixed on the back side of frame 1; Sampling apparatus 2 also comprises the sampling needle 24 that is fixed on sampling slide block 23 lower ends, drives the motion of sampling needle 24 through the motion of sampling slide block 23, thereby accomplishes sampling work.
Said sting device 3 comprises that one can be along the puncture slide block 31 of guide pole 11 slips; One fabricated section 32 is set on this slide block 31; Have on this fabricated section one run through said fabricated section mounting hole (scheming not shown); Said sting device also comprises a puncture needle 33, and said puncture needle 33 is installed in the lower end of the mounting hole of this fabricated section 32.Said puncture needle 33 is a hollow tubular structure, and the endoporus between wherein can allow sampling needle 24 to pass; Sampling needle one end of sampling apparatus 2 is installed in the lower end 24 of sampling slide block 23, and the other end passes the mounting hole of this fabricated section 32 and passes the endoporus of puncture needle 33 centres of sting device, samples through the driving of first drive unit.
Second drive unit of the sting device of the utility model comprises a drive mechanism and second motor 34, and said drive mechanism comprises a nut 36, a screw mandrel 37; Said screw mandrel 37 links to each other with second motor 34 through shaft coupling, and nut 36 is enclosed within on the screw mandrel 37, with the threads engaged on the screw mandrel 37; Also connect a drive block 35 on the said nut, be connected with the puncture slide block 31 of sting device 3, move along guide pole 11, and then realize the puncture action thereby rotate drive sting device 3 through the rotating band movable wire bar 37 of controlling second motor 34 through drive block 35.
Said second motor 34 is fixed on the back side of frame 1; Because the back side of frame 1 also is fixed with one first motor 21; Therefore different according to sting device 3 and sampling apparatus 2 positions; Can first motor 21 be fixed on the upper end at frame 1 back side, and second motor 34 is fixed on the below of first motor 21.
Be respectively equipped with at least one inductive switching sheet on said sampling apparatus 2 and the sting device 3; The two accomplishes the spacing of sampling apparatuses 2 and sting device 3 with the first sensor 12, second sensor 13 that are fixed on the frame, and said first sensor 12, second sensor 13 are separately fixed at the highest position that can allow sampling apparatus 2 and sting device 3 to move upward on the frame 1.Concrete; After sting device 3 and sampling apparatus 2 are accomplished puncture and sampling action, when under the driving of drive unit, returning, when reaching move upward the highest spacing; When the inductive switching sheet on the two triggers first sensor 12, second sensor 13; At this moment, first sensor 12, second sensor 13 pass to first motor 21, second motor 34 with signal, and motor quits work.Persons skilled in the art it is understandable that said sensor 12,13 can be photoelectric sensor.
In sum; When needs puncture sampling action, at first start second motor 34, motor 34 drives screw mandrel 37 and rotates; Thereby the nut 36 that drives on it moves downward; Nut 36 moves downward and drives connected drive block 35 and move downward, and then drive block 35 drives the puncture slide block 31 that connects through web member 38 again and move downward and accomplish the puncture action, and motor 34 quits work.At this moment; Control device starts according to the programmed control that pre-sets first motor 21; The sampling needle 24 that drives sampling slide block 23 through driving-belt moves downward samples, and sampling is accomplished rear motor 21 backward rotation sampling needles 24 and regained, and the inductive switching sheet when it rises to the precalculated position on it triggers photoelectric sensor; Sensor passes to first motor, 21, the first motors 21 with information and quits work; Second motor, 34 backward rotation subsequently; Through feed screw nut's transmission; Drive puncture slide blocks 31 through web member 38 and get back to initial position, same, the inductive switching sheet when it rises to position in advance on it triggers photoelectric sensor; Sensor passes to second motor 34 with information, and this moment, motor 34 quit work.
In the present embodiment; Persons skilled in the art it is understandable that; The job initiation time point of first motor and second motor and the control of forward and reverse rotation all are to control through the pre-set program of control device, and concrete revolution that can motor rotates when calculating each device in advance and reach the precalculated position is realized.
Embodiment two,
On the basis of above-mentioned puncture sampling mechanism; The application embodiment also provides a kind of cellanalyzer; This cellanalyzer comprises that mechanism describes in detail in the above-described embodiments about the puncture sampling, repeats no more at this like the described puncture sampling of embodiment one mechanism.
When using this cellanalyzer, owing to adopt motor to drive sting device, easy stuck and processing of sampling eccentric gear and assembly precision is had relatively high expectations, the life-span is lower drawback have therefore been overcome through screw mandrel and nut combinations mode; Simultaneously; Motor directly is fixed on the back side of frame, and the structure of screw mandrel and nut is also saved the space, therefore can be with the design of puncture sampling apparatus in same module; Maintain easily, install, dismantle; Thereby can realize simple, completion puncture fast, and the element arrangement is compact, reduces to take up room.
More than a kind of puncture sampling mechanism and cellanalyzer thereof that the utility model embodiment is provided carried out detailed introduction; But the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model, should not be construed as the restriction to the utility model.The technician in present technique field is in the technical scope that the utility model discloses, and the variation that can expect easily or replacement all should be encompassed within the protection domain of the utility model.
Claims (9)
1. puncture sampling mechanism; Comprise frame, sting device, sampling apparatus, control device; Said frame is provided with two guide poles that are parallel to each other vertically, and sting device and sampling apparatus are set on the guide pole by order from the bottom to top, and can slide along guide pole; Said sampling apparatus drives its motion through one first drive unit; Said sting device drives its motion through one second drive unit; Control device is electrically connected control sampling apparatus and sting device; With the motion of control sting device, sampling apparatus with stop; It is characterized in that second drive unit of said sting device comprises a drive mechanism and one second motor, said drive mechanism comprises a nut, a screw mandrel; Said screw mandrel links to each other with said second motor; Said nut sleeve is on said screw mandrel; With the threads engaged on the said screw mandrel, said nut connects sting device, moves along guide pole thereby drive the sting device that is connected with nut through the rotating band movable wire bar rotation of controlling said second motor.
2. puncture according to claim 1 sampling mechanism is characterized in that said second motor is fixed on the back side of frame.
3. puncture according to claim 1 sampling mechanism is characterized in that said nut is connected with sting device through a drive block.
4. puncture according to claim 1 sampling mechanism is characterized in that said screw mandrel links to each other through shaft coupling with second motor.
5. puncture according to claim 1 sampling mechanism; It is characterized in that; Said sting device comprises a puncture slide block along the guide pole slip; The fabricated section of one installation puncture needle is set on the said puncture slide block, and the center of said fabricated section has the mounting hole that runs through fabricated section, and said puncture needle is installed in the lower end of said mounting hole.
6. puncture according to claim 1 sampling mechanism; It is characterized in that; Said sampling apparatus comprises one along the sampling slide block of guide pole slip and the web member of a connection first drive unit; One end of the fixing sampling needle in said sampling slide block lower end, the said sampling needle other end pass through said sting device fabricated section mounting hole and pass the endoporus of the puncture needle of sting device.
7. puncture according to claim 1 sampling mechanism; It is characterized in that; Said first drive unit is for to carry out device driven through one first motor with the bel-drivenn mode; Said driving-belt is an annular, and said web member one end is clamped annular driving band, thereby drives the motion of sampling slide block through the motion of the first driven by motor driving-belt; Said first motor is fixed on the back side of frame.
8. puncture according to claim 1 sampling mechanism; It is characterized in that; Be respectively equipped with at least one inductive switching sheet on said sting device and the sampling apparatus, the two and the upper limit that is fixed on first sensor, second sensor completion sting device and sampling apparatus on the frame.
9. cellanalyzer; Comprise puncture sampling mechanism; Said puncture sampling mechanism comprises frame, sting device, sampling apparatus, control device; Said frame is provided with two guide poles that are parallel to each other vertically, and sting device and sampling apparatus are set on the guide pole by order from the bottom to top, and can slide along guide pole; Said sampling apparatus drives its motion through one first drive unit; Said sting device drives its motion through one second drive unit; Control device is electrically connected control sampling apparatus and sting device; With the motion of control sting device, sampling apparatus with stop; It is characterized in that second drive unit of said sting device comprises a drive mechanism and one second motor, said drive mechanism comprises a nut, a screw mandrel; Said screw mandrel links to each other with said second motor; Said nut sleeve is on said screw mandrel; With the threads engaged on the said screw mandrel, said nut connects sting device, moves along guide pole thereby drive the sting device that is connected with nut through the rotating band movable wire bar rotation of controlling said second motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220173380 CN202547975U (en) | 2012-04-23 | 2012-04-23 | Puncture sampling mechanism and hematology analyzer thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220173380 CN202547975U (en) | 2012-04-23 | 2012-04-23 | Puncture sampling mechanism and hematology analyzer thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202547975U true CN202547975U (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220173380 Expired - Lifetime CN202547975U (en) | 2012-04-23 | 2012-04-23 | Puncture sampling mechanism and hematology analyzer thereof |
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| Country | Link |
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| CN (1) | CN202547975U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102981005A (en) * | 2012-12-28 | 2013-03-20 | 鞍山钢铁集团公司 | Blood cell analyzer |
| CN103162646A (en) * | 2013-02-26 | 2013-06-19 | 吴江市博众精工科技有限公司 | Planeness high-precision measurement device |
| CN104374933A (en) * | 2014-10-28 | 2015-02-25 | 利多(香港)有限公司 | Fully automatic biochemical analyzer |
| CN109620411A (en) * | 2018-12-18 | 2019-04-16 | 中国科学院苏州生物医学工程技术研究所 | Needling mechanism for Minimally Invasive Surgery Needle-driven Robot |
| CN112283310A (en) * | 2020-11-09 | 2021-01-29 | 深圳市百水来智能科技有限公司 | Anti-seize mechanism for high-speed parking of lead screw |
| CN112378705A (en) * | 2020-10-28 | 2021-02-19 | 迈克医疗电子有限公司 | Sampling device and sample analyzer |
-
2012
- 2012-04-23 CN CN 201220173380 patent/CN202547975U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102981005A (en) * | 2012-12-28 | 2013-03-20 | 鞍山钢铁集团公司 | Blood cell analyzer |
| CN103162646A (en) * | 2013-02-26 | 2013-06-19 | 吴江市博众精工科技有限公司 | Planeness high-precision measurement device |
| CN104374933A (en) * | 2014-10-28 | 2015-02-25 | 利多(香港)有限公司 | Fully automatic biochemical analyzer |
| CN104374933B (en) * | 2014-10-28 | 2016-03-09 | 利多(香港)有限公司 | Automatic clinical chemistry analyzer |
| CN109620411A (en) * | 2018-12-18 | 2019-04-16 | 中国科学院苏州生物医学工程技术研究所 | Needling mechanism for Minimally Invasive Surgery Needle-driven Robot |
| CN109620411B (en) * | 2018-12-18 | 2023-09-05 | 中国科学院苏州生物医学工程技术研究所 | Needle insertion mechanism for minimally invasive surgery puncture robot |
| CN112378705A (en) * | 2020-10-28 | 2021-02-19 | 迈克医疗电子有限公司 | Sampling device and sample analyzer |
| CN112283310A (en) * | 2020-11-09 | 2021-01-29 | 深圳市百水来智能科技有限公司 | Anti-seize mechanism for high-speed parking of lead screw |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENGZHEN SONOSCAPE MEDICAL CORP. Free format text: FORMER NAME: SONOSCAPE INC. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518051 Guangdong city of Shenzhen province Nanshan District Yuquanlu Road Yizhe building 10 floor Patentee after: Biologic medical Science and Technology Co., Ltd. is opened in Shenzhen Address before: 518051 Guangdong city of Shenzhen province Nanshan District Yuquanlu Road Yizhe building 10 floor Patentee before: Sonoscape Inc. |
|
| CP02 | Change in the address of a patent holder |
Address after: 518057 Shenzhen Nanshan District, Guangdong Province Patentee after: Biologic medical Science and Technology Co., Ltd. is opened in Shenzhen Address before: 518051 Yizhe Building, Yuquan Road, Nanshan District, Shenzhen City, Guangdong Province, 10th Floor Patentee before: Biologic medical Science and Technology Co., Ltd. is opened in Shenzhen |
|
| CP02 | Change in the address of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121121 |
|
| CX01 | Expiry of patent term |