CN201917570U - Single automatic sample introduction device of blood corpuscle analysis meter - Google Patents

Single automatic sample introduction device of blood corpuscle analysis meter Download PDF

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Publication number
CN201917570U
CN201917570U CN2011200288608U CN201120028860U CN201917570U CN 201917570 U CN201917570 U CN 201917570U CN 2011200288608 U CN2011200288608 U CN 2011200288608U CN 201120028860 U CN201120028860 U CN 201120028860U CN 201917570 U CN201917570 U CN 201917570U
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China
Prior art keywords
longitudinal
transverse
sample introduction
sliding block
sampling
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Expired - Lifetime
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CN2011200288608U
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Chinese (zh)
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唐雪辉
赵洪财
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Urit Medical Electronic Co Ltd
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Urit Medical Electronic Co Ltd
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Abstract

The utility model discloses a single automatic sample introduction device of a blood corpuscle analysis meter, which mainly comprises a lateral feed mechanism fixed on the blood corpuscle analysis meter, a longitudinal feed mechanism fixed on the lateral feed mechanism, a sampling mechanism fixed on the longitudinal feed mechanism, and a rotating sample introduction mechanism located below the lateral feed mechanism and fixed on a rack of the blood corpuscle analysis meter. Compared with the prior art, in the utility model, the rotating sample introduction mechanism is arranged, and a test tube is inserted into a test tube placing hole of a sample introduction base after manual blending, so that automatic sample introduction of a single blood sample can be realized, no manpower is need for taking down of a test tube cover, a sampling needle is completely separated from a hand, the safety hazard of prick, caused when the existing single blood sample test is carried out, is avoided, and the operation is safer and simpler; the sampling mechanism can move along a horizontal direction and a vertical direction, so that the location of the sampling needle is more flexible; and the whole structure of the sample introduction device is simple, and the automation degree is high.

Description

Single automatic sample feeding device of blood cell analyzer
Technical Field
The utility model relates to a hematology analyzer, concretely relates to single autoinjection device on hematology analyzer.
Background
The blood cell analyzer is a commonly used blood analyzer at present, and is used for qualitative and quantitative analysis of blood cells in clinical examination. At present, the sample introduction devices of various cell analyzers are all a plurality of automatic sample introduction devices, and can realize continuous automatic testing of a plurality of samples. However, when only a single sample or a few samples are tested, the blood in the test tube is directly and manually mixed without using a plurality of automatic sample feeding devices provided in the hematology analyzer, the test tube cover is removed, and the sampling mechanism is started to sample the blood after the test tube is close to a specific area for collecting the blood, thereby completing the sample feeding operation. Because the test tube is in a non-closed state during sampling, the blood sample in the test tube is easy to flow out, and the probability of the contact of the blood sample and a human body is increased; in addition, in the operation process, because the test tube is held in the specific sampling area by an operator, and the sampling needle is exposed at a place which can be contacted by human hands, the human hands are easily pricked when the sampling operation is carried out, and certain potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a single autoinjection device of hematology analyzer to single blood sample realization autoinjection. The device simple structure, the operation is safe, simple and convenient when detecting single blood sample.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the single automatic sample feeding device of the blood cell analyzer mainly comprises a transverse pushing mechanism, a longitudinal pushing mechanism, a sampling mechanism and a rotary sample feeding mechanism, wherein the transverse pushing mechanism is fixed on a rack; wherein,
the transverse transmission mechanism comprises a transverse transmission seat fixed on the rack, a transverse guide rod and a transverse sliding block in sliding fit with the transverse guide rod are horizontally arranged on the transverse transmission seat, and an output shaft of the transverse linear motor penetrates through the transverse sliding block and forms a spiral transmission pair with a transverse nut fixed on the transverse sliding block;
the longitudinal propulsion mechanism comprises a longitudinal transmission seat fixed on the transverse sliding block, a longitudinal guide rod and a longitudinal sliding block in sliding fit with the longitudinal guide rod are longitudinally arranged on the longitudinal transmission seat, and an output shaft of the longitudinal linear motor penetrates through the longitudinal sliding block and forms another spiral transmission pair with a longitudinal nut fixed on the longitudinal sliding block;
the sampling mechanism comprises a sampling arm connected with the longitudinal sliding block and a sampling needle connected with the sampling arm;
the rotary sample introduction mechanism comprises a rotary stepping motor, a sample introduction base and a sample introduction base, wherein the sample introduction base consists of a bottom plate fixed on a rack, a front panel and a rear panel which are arranged on the bottom plate, the front panel and the rear panel form a U-shaped clamping groove, one end of the sample introduction base is longitudinally provided with a test tube placing hole, the other end of the sample introduction base is arranged in the U-shaped clamping groove, two sides of the sample introduction base are respectively connected with the front panel and the rear panel through a front side connecting rod and a rear side connecting rod, and a gap is reserved between the bottom end of the sample introduction base and the bottom plate; the rotary stepping motor is arranged on the sample injection base, and an output shaft of the rotary stepping motor is connected with the front side connecting rod or the rear side connecting rod.
The rotary sample feeding mechanism also comprises a test tube placing sensor and a rotary limiting sensor, wherein the test tube placing sensor is arranged on a position, corresponding to the test tube placing hole, of a fixed plate connected with the front side connecting rod; the rotation limiting sensor is arranged on the sample injection base and is matched with the rotation limiting stop sheet at the bottom end of the sample injection base to realize the positioning of the rotation angle of the sample injection base.
The longitudinal pushing mechanism further comprises a lifting limit sensor and a transverse limit sensor which are arranged on the longitudinal transmission seat, wherein the lifting limit sensor is matched with a lifting limit baffle sheet arranged on the sampling arm so as to limit the moving distance of the longitudinal sliding block and the sampling mechanism connected with the longitudinal sliding block in the vertical direction; the transverse limiting sensor is matched with a lifting limiting blocking piece arranged at the top end of the transverse transmission seat so as to limit the moving distance of the whole longitudinal propelling mechanism in the horizontal direction.
In order to prevent the longitudinal transmission seat from deforming in the long-term use process, at least one supporting and reinforcing shaft can be arranged on the longitudinal transmission seat, and two ends of the supporting and reinforcing shaft are respectively fixed at the upper end and the lower end of the longitudinal transmission seat.
The sampling arm can be directly fixed on the longitudinal sliding block, or a through hole for the longitudinal linear motor output shaft and the longitudinal guide rod to pass through is formed in the connecting end of the sampling arm and the longitudinal sliding block, and the end is sleeved between the longitudinal sliding block and the longitudinal nut on the longitudinal linear motor output shaft and the longitudinal guide rod and is fixed with the longitudinal sliding block and the longitudinal nut.
The number of the transverse guide rods is 2.
The number of the longitudinal guide rods is 2.
Compared with the prior art, the utility model has the advantages of:
1. through setting up rotatory sampling mechanism, insert the test tube with the test tube behind artifical mixing and advance the hole of placing on the appearance base, can realize the autoinjection of single blood sample, need not the manual work and take off the test tube lid, the sampling needle is kept apart completely with the staff, the potential safety hazard of pricking the injury hand that probably exists when avoiding current single blood sample test, operates more safely, portably.
2. The sampling mechanism can move in the horizontal and vertical directions, so that the positioning of the sampling needle is more flexible;
3. the whole sample feeding device has simple structure and high automation degree;
4. because the sampling mechanism can realize the motion in the horizontal direction, a single automatic sampling and a plurality of automatic sampling use a sampling needle simultaneously, reduce the use of instrument liquid circuit component, reduce equipment cost.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a single automatic sample introduction device of a blood cell analyzer according to the present invention;
FIG. 2 is a schematic backside view of the embodiment of FIG. 1;
fig. 3 is a schematic diagram of the sampling state of the embodiment shown in fig. 1.
The reference numbers in the figures are:
1, a sample introduction base; 1-1 a base plate; 1-2 front panel; 1-3 rear panels; 2 rotating the stepping motor; 3, rotating a limit sensor; 4 a front side connecting rod; 5, a sample introduction base; 6, fixing a plate; 7 placing a sensor in the test tube; 8, test tubes; 9, cleaning the sleeve; 10 sampling needle; 11 a transverse transmission seat; 12 a transverse guide rod; 13 sampling arm clamping blocks; 14 sampling needle pressing plate; 15 a sampling arm; 16 longitudinal guide rods; 17 supporting a reinforcing shaft; 18 lifting the limit stop piece; 19 a longitudinal transmission seat; 20 a longitudinal linear motor; 21 a longitudinal nut; 22 a longitudinal slide; 23 a transverse linear motor; 24 cards; 25 transverse slide blocks; 26 a lift limit sensor; 27 rotating the limit stop piece; 28 a rear link; 29 transverse limiting blocking pieces; 30 transverse limit sensor.
Detailed Description
As shown in FIG. 1 and FIG. 2, the single automatic sample feeding device of the blood cell analyzer of the present invention mainly comprises a horizontal pushing mechanism fixed on the blood cell analyzer, a vertical pushing mechanism fixed on the horizontal pushing mechanism, a sampling mechanism fixed on the vertical pushing mechanism, and a rotary sample feeding mechanism located under the horizontal pushing mechanism and fixed on the frame of the blood cell analyzer,
the transverse transmission mechanism comprises a transverse transmission seat 11 fixed on the rack, two transverse guide rods 12 are horizontally arranged on the transverse transmission seat 11, transverse sliding blocks 25 in sliding fit with the transverse guide rods 12 are sleeved on the transverse guide rods 12, an output shaft of a transverse linear motor 23 penetrates through the transverse sliding blocks 25 to form a spiral transmission pair with transverse nuts fixed on the transverse sliding blocks 25, and the output shaft of the transverse linear motor 23 is parallel to the transverse guide rods 12;
the longitudinal propelling mechanism comprises a longitudinal transmission seat 19 fixed on the transverse sliding block 25, two longitudinal guide rods 16 and two reinforcing support shafts are longitudinally arranged on the longitudinal transmission seat 19, and two ends of each of the longitudinal guide rods 16 and the reinforcing support shafts are respectively fixed at the upper end and the lower end of the longitudinal transmission seat 19; the longitudinal guide rod 16 is sleeved with a longitudinal sliding block 22 in sliding fit with the longitudinal guide rod, an output shaft of a longitudinal linear motor 20 penetrates through the longitudinal sliding block 22 to form another screw transmission pair with a longitudinal nut 21 fixed on the longitudinal sliding block 22, and the output shaft of the longitudinal linear motor 20 is parallel to the longitudinal guide rod 16; the longitudinal transmission seat 19 is also provided with a lifting limit sensor 26 and a transverse limit sensor 30, wherein the lifting limit sensor 26 is matched with a lifting limit baffle 18 arranged on the sampling arm 15 so as to limit the moving distance of the longitudinal sliding block 22 and the sampling mechanism connected with the longitudinal sliding block in the vertical direction; the transverse limit sensor 30 is matched with a transverse limit baffle 29 arranged at the top end of the transverse transmission seat 11 so as to limit the moving distance of the whole longitudinal propelling mechanism in the horizontal direction;
the sampling mechanism comprises a sampling arm 15, a through hole for the output shaft of a longitudinal linear motor 20 and a longitudinal guide rod 16 to pass through is formed in the connecting end of the sampling arm 15 and a longitudinal sliding block 22, the end is sleeved between the longitudinal sliding block 22 and a longitudinal nut 21 on the output shaft of the longitudinal linear motor 20 and the longitudinal guide rod 16, and the end, the longitudinal sliding block 22 and the longitudinal nut 21 are fixed together through fastening screws; the other end of the sampling arm 15 is connected with the sampling needle 10 through a sampling arm clamping block 13 and a sampling needle pressing plate 14, and the tip end of the sampling needle 10 extends into the cleaning sleeve 9 fixed at the bottom end of the longitudinal transmission seat 19 through a clamping plate 24;
the rotary sample introduction mechanism comprises a rotary stepping motor 2, a sample introduction base 5 and a sample introduction base 1, wherein the sample introduction base 1 consists of a bottom plate 1-1 fixed on a rack, a front panel 1-2 and a rear panel 1-3 which are arranged on the bottom plate 1-1, the front panel 1-2 and the rear panel 1-3 form a U-shaped clamping groove, one end of the sample introduction base 5 is longitudinally provided with a test tube placing hole, the other end of the sample introduction base is arranged in the U-shaped clamping groove, two sides of the sample introduction base 5 are respectively connected with the front panel 1-2 and the rear panel 1-3 through a front side connecting rod 4 and a rear side connecting rod 28, and a gap is reserved between the bottom end of the sample introduction base 5 and the bottom plate 1-1; the rotary stepping motor 2 is arranged on the front panel 1-2, and the front panel 1-2 of the output shaft of the rotary stepping motor is connected with the front side connecting rod 4; the corresponding position of the installation position of the rotation limit sensor 3 on the sample injection base seat 1 and the bottom end of the sample injection base seat 5 is provided with a rotation limit stop sheet 27 which are matched with each other to realize the positioning of the rotation angle of the sample injection base seat 5. The front side connecting rod 4 is also provided with a fixing plate 6, and a test tube placing sensor 7 is arranged on the fixing plate 6 corresponding to the position of the test tube placing hole so as to start the rotary stepping motor 2 under the condition that a test tube 8 is placed.
The working process of the single automatic sample feeding device of the blood cell analyzer is as follows:
1. placing a test tube 8 into a test tube placing hole on a sample introduction base 5, rotating a stepping motor 2 to drive the sample introduction base 5 to rotate around a Y axis after a test tube placing sensor 7 detects that the test tube 8 is placed in the test tube placing hole until a rotation limiting sensor 3 receives a signal that the sample introduction base 5 rotates to an appointed position;
2. the transverse linear motor 23 works to send the transverse slide block 25 and the longitudinal transmission seat 19 connected with the transverse slide block 25 to a designated position (the center of the sampling needle 10 is aligned with the center of the test tube 8), and meanwhile, the longitudinal linear motor 20 works to drive the sampling needle 10 on the sampling arm 15 to vertically move downwards to penetrate the sampling needle 10 into the test tube 8 for sampling, as shown in fig. 3;
3. after the blood sampling is finished, the longitudinal linear motor 20 drives the sampling arm 15 and the sampling needle 10 to vertically move upwards, the sampling needle 10 is drawn out of the test tube 8, the transverse linear motor 23 drives the transverse sliding block 25 to move leftwards along the horizontal direction to reset the longitudinal transmission seat 19 to the initial state, and then the rotary stepping motor 2 works to reset the sample introduction base 5 to the initial state, as shown in fig. 1;
4. the test tube 8 is taken out, and the automatic sample introduction and sampling operation of the single test tube 8 is completed.
The above description is made for further details of the present invention with reference to specific embodiments, and it should not be construed that the present invention is limited to these descriptions, and it should be understood that a person of ordinary skill in the art can make several simple deductions or substitutions without departing from the spirit of the present invention, and all such alternatives are deemed to fall within the protection scope of the present invention.

Claims (7)

1. A single automatic sample introduction device of a blood cell analyzer mainly comprises a transverse propulsion mechanism, a longitudinal propulsion mechanism, a sampling mechanism and a rotary sample introduction mechanism, and is characterized in that: the sampling mechanism is fixed on the longitudinal propelling mechanism, and the rotary sample feeding mechanism is fixed on the machine frame below the transverse propelling mechanism; wherein,
the transverse propelling mechanism comprises a transverse transmission seat (11) fixed on the rack, a transverse guide rod (12) and a transverse sliding block (25) in sliding fit with the transverse guide rod are horizontally arranged on the transverse transmission seat (11), and an output shaft of a transverse linear motor (23) penetrates through the transverse sliding block (25) and forms a spiral transmission pair with a transverse nut fixed on the transverse sliding block (25);
the longitudinal propelling mechanism comprises a longitudinal transmission seat (19) fixed on the transverse sliding block (25), a longitudinal guide rod (16) and a longitudinal sliding block (22) in sliding fit with the longitudinal guide rod are longitudinally arranged on the longitudinal transmission seat (19), and an output shaft of the longitudinal linear motor (20) penetrates through the longitudinal sliding block (22) to form another spiral transmission pair with a longitudinal nut (21) fixed on the longitudinal sliding block (22);
the sampling mechanism comprises a sampling arm (15) connected with the longitudinal slide block (22) and a sampling needle (10) connected with the sampling arm (15);
the rotary sample introduction mechanism comprises a rotary stepping motor (2), a sample introduction base (5) and a sample introduction base (1), wherein the sample introduction base (1) consists of a bottom plate (1-1) fixed on a rack and front and rear panels (1-2 and 1-3) arranged on the bottom plate (1-1), the front and rear panels (1-2 and 1-3) form a U-shaped clamping groove, one end of the sample introduction base (5) is longitudinally provided with a test tube placing hole, the other end of the sample introduction base is arranged in the U-shaped clamping groove, two sides of the sample introduction base (5) are respectively connected with the front and rear panels (1-2 and 1-3) through a front side connecting rod (4) and a rear side connecting rod (28), and a gap is reserved between the bottom end of the sample introduction base (5) and the bottom plate (1-1); the rotary stepping motor (2) is arranged on the sample injection base (1), and an output shaft of the rotary stepping motor is connected with the front side connecting rod (4) or the rear side connecting rod (28).
2. The single autoinjection device of a hematology analyzer according to claim 1, wherein: the rotary sample feeding mechanism further comprises a test tube placing sensor (7) and a rotary limiting sensor (3), wherein the test tube placing sensor (7) is arranged on a position, corresponding to the test tube placing hole, on a fixing plate (6) connected with the front side connecting rod (4); the rotation limit sensor (3) is arranged on the sample injection base (1) and is matched with a rotation limit stop sheet (27) at the bottom end of the sample injection base (5).
3. The single autoinjection device of a hematology analyzer according to claim 1, wherein: the longitudinal pushing mechanism further comprises a lifting limiting sensor (26) and a transverse limiting sensor (30) which are arranged on the longitudinal transmission seat (19), wherein the lifting limiting sensor (26) is matched with a lifting limiting blocking piece (18) installed on the sampling arm (15), and the transverse limiting sensor (30) is matched with a transverse limiting blocking piece (29) installed at the top end of the transverse transmission seat (11).
4. The single autoinjection device of a hematology analyzer according to any one of claims 1 to 3, wherein: the longitudinal transmission seat (19) is also provided with at least one supporting and reinforcing shaft (17), and two ends of the supporting and reinforcing shaft are respectively fixed at the upper end and the lower end of the longitudinal transmission seat (19).
5. The single autoinjection device of a hematology analyzer according to any one of claims 1 to 3, wherein: the sampling arm (15) is connected with the longitudinal sliding block (22) through a through hole for the output shaft of the longitudinal linear motor (20) and the longitudinal guide rod (16) to pass through, and the end is sleeved between the longitudinal sliding block (22) and the longitudinal nut (21) on the output shaft of the longitudinal linear motor (20) and the longitudinal guide rod (16) and is fixed with the longitudinal sliding block (22) and the longitudinal nut (21).
6. The single autoinjection device of a hematology analyzer according to any one of claims 1 to 3, wherein: the number of the transverse guide rods (12) is 2.
7. The single automatic sample introduction device of a blood cell analyzer according to any one of claims 1 to 3, characterized in that: the number of the longitudinal guide rods (16) is 2.
CN2011200288608U 2011-01-27 2011-01-27 Single automatic sample introduction device of blood corpuscle analysis meter Expired - Lifetime CN201917570U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200288608U CN201917570U (en) 2011-01-27 2011-01-27 Single automatic sample introduction device of blood corpuscle analysis meter

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Application Number Priority Date Filing Date Title
CN2011200288608U CN201917570U (en) 2011-01-27 2011-01-27 Single automatic sample introduction device of blood corpuscle analysis meter

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CN201917570U true CN201917570U (en) 2011-08-03

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102095841A (en) * 2011-01-27 2011-06-15 桂林优利特医疗电子有限公司 Automatic single sample introduction device of blood cell analyzer
CN110398598A (en) * 2018-04-24 2019-11-01 深圳市帝迈生物技术有限公司 A kind of blood sample automatic mixing device and blood cell analysis equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102095841A (en) * 2011-01-27 2011-06-15 桂林优利特医疗电子有限公司 Automatic single sample introduction device of blood cell analyzer
CN102095841B (en) * 2011-01-27 2013-05-08 桂林优利特医疗电子有限公司 Automatic single sample introduction device of blood cell analyzer
CN110398598A (en) * 2018-04-24 2019-11-01 深圳市帝迈生物技术有限公司 A kind of blood sample automatic mixing device and blood cell analysis equipment

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Granted publication date: 20110803

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