CN215339883U

CN215339883U - Reagent card pusher and immunoassay appearance

Info

Publication number: CN215339883U
Application number: CN202121560271.4U
Authority: CN
Inventors: 刘同民; 张军友; 植立才; 肖承亮; 王治才
Original assignee: Guangzhou Labsim Biotech Co Ltd
Current assignee: Guangzhou Labsim Biotech Co Ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2021-12-28
Anticipated expiration: 2031-07-09

Abstract

The utility model discloses a reagent card pushing device and an immunoassay analyzer, wherein the reagent card pushing device comprises a storage box, a pushing mechanism and a positioning mechanism, and the storage box is provided with a plurality of storage bins along a first direction; the pushing block assembly of the pushing mechanism is used for pushing the reagent card to leave the storage bin, the second driving assembly drives the pushing block assembly to move along the second direction, and the first driving assembly drives the second driving assembly to move along the first direction; the induction plate of the positioning mechanism is connected with the first driving assembly, the first sensor is connected with the second driving assembly, a plurality of hollow structures corresponding to the storage bin are arranged on the induction plate at intervals along the first direction, and the first driving assembly stops driving when the first sensor and the hollow structures are aligned. The matching of the first driving assembly and the second driving assembly can reduce the number of driving pieces and reduce the production cost; the hollow structure is arranged on the induction plate, and accurate positioning of each storage bin can be realized only by ensuring that the induction plate is installed in place.

Description

Reagent card pusher and immunoassay appearance

Technical Field

The utility model relates to the field of medical instruments, in particular to a reagent card pushing device and an immunoassay analyzer comprising the same.

Background

The immunoassay analyzer is an apparatus for immunological quantitative analysis of a body fluid sample of a patient, has the characteristics of high sensitivity, wide linear range, simple apparatus and equipment, convenience in operation, high analysis speed, high inspection automation degree and the like, and improves the immunoassay efficiency. Because the method has the advantages of eliminating artificial subjective errors, stabilizing quality of immunoassay and the like, the method is widely applied to the fields of modern clinical immunoassay diagnosis and life science research at present.

Be provided with the storage box and the reagent card pusher of reagent card among the immunoassay appearance, reagent card pusher is used for pushing out the storage box with the reagent card for the reagent card gets into the detection link. In order to improve the detection efficiency, the immunoassay analyzer is provided with a plurality of storage bins for stacking the reagent cards in the storage box, so that the pushing operation of the reagent cards is ensured by additionally adding a corresponding number of pushing devices, the number of parts and the production cost are increased, and the occupied space of the immunoassay analyzer is also increased.

SUMMERY OF THE UTILITY MODEL

One object of an embodiment of the present invention is to: provides a reagent card pushing device which has less parts and lower cost.

Another object of an embodiment of the present invention is to: provided is an immunoassay analyzer which is small in size.

In order to achieve the purpose, the utility model adopts the following technical scheme:

in a first aspect, a reagent card pushing device is provided, comprising:

the reagent card storage box comprises a storage box, a plurality of storage bins and a plurality of clamping units, wherein the storage box is provided with a plurality of storage bins along a first direction, and each storage bin is provided with a first opening for a reagent card to leave;

the pushing mechanism comprises a pushing block assembly, a first driving assembly and a second driving assembly, the pushing block assembly is used for pushing the reagent card to leave the storage bin along a second direction, the first driving assembly is connected with the second driving assembly, the second driving assembly is connected with the pushing block assembly, the first driving assembly drives the second driving assembly to move along the first direction, and the second driving assembly drives the pushing block assembly to move along the second direction;

the positioning mechanism comprises a first sensor and an induction plate, the induction plate is connected with the first driving assembly, the first sensor is connected with the second driving assembly, the induction plate is provided with a plurality of hollow structures at intervals along the first direction, and the hollow structures correspond to the storage bins one to one; when the first sensor is right opposite to the hollow structure, the first driving assembly stops driving the second driving assembly to move, and the push block assembly is aligned to the first opening of one of the storage bins.

As an optimal scheme of the reagent card pushing device, the first sensor is a photoelectric switch, and the hollow structure is a notch formed in the sensing plate.

As a preferable scheme of the reagent card pushing device, the first driving assembly comprises a first guide rail and a first motor, the second driving assembly is slidably disposed on the first guide rail, the number of the first guide rail is two, the two first guide rails are disposed at intervals along the second direction, and the first motor drives the second driving assembly to move.

As a reagent card pusher's a preferred scheme, push mechanism includes first fixed plate and first connecting piece, the tablet is installed on the first fixed plate, first guide rail with first motor is installed respectively first fixed plate relative both sides face, first fixed plate is provided with first through-hole, the one end of first connecting piece with second drive assembly connects, and the other end passes first through-hole with the drive belt of first motor is connected.

As a preferable scheme of the reagent card pushing device, the second driving assembly comprises a second guide rail and a second motor, the push block assembly is arranged on the second guide rail in a sliding mode, the second motor drives the push block assembly to move, a second sensor and a third sensor are arranged at two ends of the second guide rail respectively, and sensing positions corresponding to the second sensor and the third sensor are arranged on the push block assembly.

As a preferable scheme of the reagent card pushing device, the second driving assembly includes a second fixing plate, the second guide rail, the second sensor, the third sensor and the second motor are all mounted on the second fixing plate, and the first driving assembly drives the second fixing plate to move.

As a reagent card pusher's an preferred scheme, the ejector pad subassembly includes pusher dog and third fixed plate, the third fixed plate with second drive assembly connects, the pusher dog with the third fixed plate is articulated, the pusher dog has and stretches into store the operating position in storehouse, be provided with the limiting plate on the second drive assembly, second drive assembly follows during the first direction removes, the limiting plate with the pusher dog supports tightly, the limiting plate will the pusher dog is spacing in non-operating position.

As a preferable scheme of the reagent card pushing device, one side surface of the push claw, which is close to the limiting plate, is an inclined surface.

As a preferable scheme of the reagent card pushing device, a bending part is arranged on one side of the limiting plate close to the push claw.

In a second aspect, an immunoassay analyzer is provided, which comprises the reagent card pushing device.

The utility model has the beneficial effects that: the first driving assembly and the second driving assembly are arranged to drive the push block assembly to move, so that the number of driving pieces can be reduced, the production cost is reduced, and the occupied space of a pushing mechanism is reduced; the sensing plate is provided with the hollow structure, and through the matching of the hollow structure and the first sensor, the accurate positioning of each storage bin can be realized only by ensuring that the sensing plate is installed in place, so that the accurate pushing operation of the reagent card is performed; the cooperation of hollow out construction and first sensor can also reduce the quantity of sensor, reduction in production cost.

Drawings

The utility model is explained in more detail below with reference to the figures and examples.

Fig. 1 is a schematic view of a reagent card pushing device according to an embodiment of the present invention.

Fig. 2 is a schematic view of a pushing mechanism and a positioning mechanism according to an embodiment of the present invention.

Fig. 3 is another perspective view of the pushing mechanism and the positioning mechanism according to the embodiment of the utility model.

Fig. 4 is a partially enlarged schematic view of the push block assembly and a fifth fixing plate according to the embodiment of the utility model (with the push claw in the working position).

Fig. 5 is a schematic view of a storage box according to an embodiment of the present invention (the storage bin is not shown).

Fig. 6 is a schematic view of a storage bin according to an embodiment of the utility model.

Fig. 7 is a schematic view of a fifth fixing plate according to an embodiment of the utility model.

Fig. 8 is a schematic view of an induction plate according to an embodiment of the utility model.

In the figure:

100. a pushing mechanism; 200. a positioning mechanism; 300. a reagent card;

1. a first drive assembly; 101. a first motor; 102. a first guide rail; 103. a first drive wheel; 104. a first driven wheel; 105. a first drive belt; 106. a first slider; 2. a second drive assembly; 201. a second motor; 202. a second guide rail; 203. a second drive wheel; 204. a second driven wheel; 205. a second fixing plate; 206. a second slider; 207. a second belt; 3. a first sensor; 4. an induction plate; 401. a hollow structure; 5. a storage box; 501. a storage bin; 5011. a first opening; 5012. a second opening; 6. a limiting plate; 601. a bending part; 7. a push block assembly; 701. a push claw; 7011. a bevel; 702. a rotating shaft; 703. sensing a position; 704. a third fixing plate; 7041. a groove; 8. a third sensor; 9. a second connecting sheet; 10. a first fixing plate; 1001. a first through hole; 11. a first connecting piece; 12. a frame; 13. a fourth fixing plate; 14. a second sensor; 15. a fifth fixing plate; 1501. a second via.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 3 and 5, the reagent card pushing apparatus (hereinafter referred to as a pushing apparatus) according to the present invention includes a storage box 5, a pushing mechanism 100 and a positioning mechanism 200, wherein the storage box 5 is provided with a plurality of storage compartments 501 along a first direction, referring to fig. 6, each storage compartment 501 is provided with a first opening 5011 for a reagent card 300 to enter and exit, the pushing mechanism 100 includes a pushing block assembly 7, a first driving assembly 1 and a second driving assembly 2, the pushing block assembly 7 is used for pushing the reagent card 300 to leave the storage compartment 501 along a second direction, in this embodiment, the first direction is an X direction, the second direction is a Y direction, the second driving assembly 2 is connected with the pushing block assembly 7, the second driving assembly 2 drives the pushing block assembly 7 to move along the second direction, the first driving assembly 1 is connected with the second driving assembly 2, the first driving assembly 1 drives the second driving assembly 2 to move along the first direction, positioning mechanism 200 includes first sensor 3 and tablet 4, and tablet 4 is connected with first drive assembly 1, and first sensor 3 is connected with second drive assembly 2, and tablet 4 is provided with a plurality of hollow out construction 401 along the first direction interval, and a hollow out construction 401 corresponds a storage storehouse 501, and when first sensor 3 and hollow out construction 401 just to the right, first drive assembly 1 stops the drive. The first driving component 1 and the second driving component 2 are arranged to drive the push block component 7 to move, so that the number of driving parts can be reduced, the production cost is reduced, and the occupied space of the pushing mechanism 100 is reduced; the hollow structures 401 are arranged on the sensing plates 4, and through the cooperation of the hollow structures 401 and the first sensors 3, the accurate positioning of each storage bin 501 can be realized only by ensuring that the sensing plates 4 are installed in place, so that the accurate pushing operation of the reagent cards 300 is performed; the hollow structure 401 and the first sensor 3 can be matched to reduce the number of sensors and reduce the production cost.

The embodiment also provides an immunoassay analyzer, which comprises the pushing device. Due to the small number of parts of the pushing device, it will be appreciated that the size of the pushing device will be correspondingly reduced, thereby allowing the immunoassay analyzer to be of a smaller size.

In this embodiment, the first sensor 3 is a photoelectric switch, and referring to fig. 8, the hollow structure 401 is a notch formed on the sensing board 4. The photoelectric switch is a short-term photoelectric proximity switch, and detects the existence of an object by utilizing the shielding or reflection of the detected object to a light beam and switching on a circuit through a synchronous circuit. The object is not limited to metal, and all objects that reflect light (or block light) can be detected. The photoelectric switch converts the input current into an optical signal on the transmitter to be emitted, and the receiver detects the target object according to the intensity or the existence of the received light. The notch is simple in structure, convenient to machine and capable of reducing production cost.

Referring to fig. 2 and 3, specifically, the second driving assembly 2 includes a second guide rail 202 and a second motor 201, a length of the second guide rail 202 extends in the second direction, the first driving assembly 1 includes a first guide rail 102 and a first motor 101, the length of the first guide rail 102 extends in the first direction (X direction), the second driving assembly 2 is slidably disposed on the first guide rail 102 through a first slider 106, two first guide rails 102 are disposed, the two first guide rails 102 are spaced in the second direction (Y direction), and the first motor 101 drives the second driving assembly 2 to move. Because the length of the second guide rail 202 is long, the two first guide rails 102 are arranged, so that the connection stability of the second guide rail 202 can be improved, and the pushing assembly can move smoothly.

Specifically, the pushing mechanism 100 includes a first fixing plate 10 and a first connecting plate 11, the sensing plate 4 is mounted on the first fixing plate 10, and a first guide rail 102 and a first motor 101 are respectively mounted on two opposite side surfaces of the first fixing plate 10, wherein the first guide rail 102 is mounted on an upper surface of the first fixing plate 10, the first motor 101 is mounted below the first fixing plate 10, the first fixing plate 10 is provided with a first through hole 1001, one end of the first connecting plate 11 is connected with the second driving assembly 2, and the other end passes through the first through hole 1001 and is connected with a first transmission belt 105 of the first motor 101. The first guide rail 102 and the first motor 101 are respectively installed at both side surfaces of the first fixing plate 10, so that the space utilization rate can be improved, thereby further reducing the size of the immunoassay analyzer.

Referring to fig. 1 to 3, specifically, the immunoassay analyzer includes a frame 12 and a fourth fixing plate 13, the first fixing plate 10 is installed on the frame 12, the fourth fixing plate 13 is installed on a lower surface of the first fixing plate 10, the first motor 101 is installed on the fourth fixing plate 13, the fourth fixing plate 13 is provided with a first driving wheel 103 and a plurality of first driven wheels 104, an output shaft of the first motor 101 is connected with the first driving wheel 103, the first driving wheel 103 is connected with the first driven wheels 104 through a first driving belt 105, in this embodiment, the number of the first driven wheels 104 is three, and position connecting lines between any two of the first driving wheel 103 and any two of the three first driven wheels 104 do not overlap, so that a contact area between the first driving belt 105 and the first driving wheel 103 can be increased, and stability of operation of the first driving assembly 1 is improved. In other embodiments, the first driven wheel 104 may be provided with four, five or more, and the number of the first driven wheels 104 and the installation position may be selected according to actual needs.

Specifically, the second driving assembly 2 includes a second fixing plate 205, the second guide rail 202 and the second motor 201 of the second driving assembly 2 are both mounted on the second fixing plate 205, and the second fixing plate 205 is slidably disposed on the first guide rail 102 through the first slider 106. By arranging the second fixing plate 205, the second guide rail 202 and the second motor 201 can be integrated into a whole, so that the mounting difficulty among devices is reduced; the second motor 201 moves along with the second guide rail 202, so that the position control difficulty of the pushing assembly can be reduced, and the control precision can be improved.

Referring to fig. 2 and 3, specifically, the second fixing plate 205 is provided with a second sensor 14 and a third sensor 8, the second sensor 14 and the third sensor 8 are respectively disposed at two ends of the second guide rail 202, the push block assembly 7 is slidably disposed on the second guide rail 202 of the second driving assembly 2 through the second slider 206, and the push block assembly 7 is provided with a sensing position 703 corresponding to the second sensor 14 and the third sensor 8. Through setting up second sensor 14 and third sensor 8, can control ejector pad subassembly 7 at the ascending stroke in second direction, avoid ejector pad subassembly 7 migration distance too big to lead to the device to appear damaging, improved pusher's life. In this embodiment, the second sensor 14 and the third sensor 8 are both photoelectric switches, and the sensing position 703 on the push block assembly 7 is a photoelectric sheet.

Specifically, the second fixing plate 205 is provided with a second driving wheel 203 and a second driven wheel 204, an output shaft of the second motor 201 is connected with the second driving wheel 203, the second driving wheel 203 is connected with the second driven wheel 204 through a second transmission belt 207, the push block assembly 7 includes a push claw 701 and a third fixing plate 704, the third fixing plate 704 is fixed through a second connecting piece 9 and the second transmission belt 207, so that the second motor 201 drives the third fixing plate 704 to move, the push claw 701 and the third fixing plate 704 are hinged, referring to fig. 4, the push claw 701 has a working position extending into the storage bin 501, the second fixing plate 205 is provided with a limit plate 6, the position of the limit plate 6 is adjacent to the third sensor 8, when the first motor 101 drives the second driving assembly 2 to move along the first direction, the limit plate 6 abuts against the push claw 701, and the limit plate 6 limits the push claw 701 to a non-working position. Through setting up limiting plate 6, can avoid appearing the position interference between pusher dog 701 and the storage box 5, guarantee the normal clear of propelling movement operation.

Referring to fig. 2, specifically, a groove 7041 is disposed on the third fixing plate 704, a rotating shaft 702 is disposed on a groove wall of the groove 7041, the push pawl 701 is rotatably connected to the groove wall of the groove 7041 through the rotating shaft 702, when the push pawl 701 abuts against the limit plate 6, the push pawl 701 is pressed by the limit plate 6, so that the push pawl 701 rotates toward the groove 7041 to the non-working position, and when the second motor 201 drives the third fixing plate 704 to move so that the push pawl 701 moves away from the limit plate 6, an elastic element disposed at the rotating shaft 702 abuts against the push pawl 701, so that the push pawl 701 returns to the working position. The resilient element may be a torsion spring.

Referring to fig. 3, specifically, a side surface of the push pawl 701 close to the position-limiting plate 6 is an inclined surface 7011, so that the position-limiting plate 6 can smoothly rotate the push pawl 701 from the working position to the non-working position, and the phenomenon of locking is avoided.

Referring to fig. 2 to 3, specifically, one side of the limiting plate 6 close to the push pawl 701 is provided with a bent portion 601, so that damage to the push pawl 701 caused by cutting burrs can be avoided, and the service life of the device is prolonged.

Referring to fig. 1, 5 and 7, specifically, a fifth fixing plate 15 is mounted on the rack 12, a storage box 5 is mounted on the upper surface of the fifth fixing plate 15, the pushing mechanism 100 is mounted on the lower surface of the fifth fixing plate 15, a plurality of second through holes 1501 are formed in the fifth fixing plate 15, one second through hole 1501 corresponds to one storage bin 501, a first opening 5011 of the storage bin 501 faces the fifth fixing plate 15, the first opening 5011 and the second through hole 1501 are opposite, a second opening 5012 for reagent cards 300 to enter and exit is formed between the fifth fixing plate 15 and the storage box 5, and the height of the second opening 5012 is matched with the height of the reagent cards 300, so that only one reagent card 300 passes through the second opening 5012 each time of discharging.

Specifically, the second opening 5012 and the limiting plate 6 are respectively located at two ends of the second rail 202, wherein, referring to fig. 1, the second opening 5012 is adjacent to the second sensor 14, and referring to fig. 2 and 3, the limiting plate 6 is adjacent to the third sensor 8, so that the limiting plate 6 can be prevented from affecting the pushing operation of the pushing claw 701.

Referring to fig. 1 and 5, in this embodiment, the storage box 5 is provided with five storage compartments 501 along a first direction, a plurality of reagent cards 300 are stacked in each storage compartment 501, referring to fig. 8, five hollow structures 401 (i.e. notches) are correspondingly provided on the sensing plate 4, referring to fig. 1 to 4, during operation, the first motor 101 drives the pushing claw 701 to move along the first direction, at this time, the pushing claw 701 is located below the limiting plate 6, the limiting plate 6 limits the pushing claw 701 at the non-working position, when the first sensor 3 detects the hollow structure 401 on the sensing plate 4, the first motor 101 stops driving, the second motor 201 drives the pushing claw 701 to move along the second direction, the pushing claw 701 is away from the limiting plate 6 and is reset from the non-working position to the working position, the pushing claw 701 extends into the storage compartment 501 from the second through hole 1501 and the first opening 5011, the second motor 201 drives the pushing claw 701 to move continuously along the second direction, the pushing claw 701 pushes the reagent card 300 to leave the storage compartment 501 from the second opening 5012, when the second sensor 14 detects that the pushing claw 701 moves to the end of the second rail 202, the second motor 201 rotates reversely to drive the pushing claw 701 to approach the limiting plate 6, and when the third sensor 8 detects that the pushing claw 701 moves below the limiting plate 6 and is limited to the non-working position, the first motor 101 drives the pushing claw 701 to move below the other storage compartment 501, and at this time, the pushing claw 701 can push the reagent card 300 in the storage compartment 501.

Claims

1. A reagent card pushing device, comprising:

2. The reagent card pushing device of claim 1, wherein the first sensor is a photoelectric switch, and the hollow structure is a notch formed on the sensing plate.

3. The reagent card pushing apparatus of claim 1, wherein the first driving assembly comprises a first guide rail and a first motor, the second driving assembly is slidably disposed on the first guide rail, the first guide rail is provided with two, the two first guide rails are spaced along the second direction, and the first motor drives the second driving assembly to move.

4. The reagent card pushing device of claim 3, wherein the pushing mechanism comprises a first fixing plate and a first connecting plate, the sensing plate is mounted on the first fixing plate, the first guide rail and the first motor are respectively mounted on two opposite sides of the first fixing plate, the first fixing plate is provided with a first through hole, one end of the first connecting plate is connected with the second driving component, and the other end of the first connecting plate passes through the first through hole and is connected with a transmission belt of the first motor.

5. The reagent card pushing device according to claim 1, wherein the second driving assembly comprises a second guide rail and a second motor, the pushing block assembly is slidably disposed on the second guide rail, the second motor drives the pushing block assembly to move, a second sensor and a third sensor are respectively disposed at two ends of the second guide rail, and sensing positions corresponding to the second sensor and the third sensor are disposed on the pushing block assembly.

6. The reagent card pushing device of claim 5, wherein the second driving assembly comprises a second fixed plate, the second guide rail, the second sensor, the third sensor and the second motor are all mounted on the second fixed plate, and the first driving assembly drives the second fixed plate to move.

7. The reagent card pushing device of claim 1, wherein the pushing block assembly comprises a pushing claw and a third fixing plate, the third fixing plate is connected with the second driving assembly, the pushing claw is hinged to the third fixing plate, the pushing claw has a working position extending into the storage bin, a limiting plate is arranged on the second driving assembly, when the second driving assembly moves along the first direction, the limiting plate and the pushing claw abut tightly, and the limiting plate limits the pushing claw to a non-working position.

8. The reagent card pushing device of claim 7, wherein a side of the pushing claw adjacent to the limiting plate is a slant.

9. The reagent card pushing device according to claim 8, wherein a bent portion is provided at a side of the limiting plate close to the pushing claw.

10. An immunoassay analyzer comprising the reagent card pusher according to any one of claims 1 to 9.