CN219008467U

CN219008467U - Cartridge and sample analyzer

Info

Publication number: CN219008467U
Application number: CN202223436756.XU
Authority: CN
Inventors: 黄青标; 甘海; 侯碧波
Original assignee: Zhongyuan Huiji Biotechnology Co Ltd
Current assignee: Zhongyuan Huiji Biotechnology Co Ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-05-12
Anticipated expiration: 2032-12-16

Abstract

The utility model discloses a cartridge and a sample analyzer, wherein the cartridge comprises a first shell, a second shell and a flexible structure, the second shell is connected with the first shell and encloses a containing cavity for containing a reagent card, the bottom of the containing cavity is provided with an outlet for taking out the reagent card, the flexible structure is arranged at the outlet and is used for blocking the reagent card positioned at the outlet, and the flexible structure and the first shell or the second shell are integrally formed. According to the utility model, the spring cover is replaced by the flexible structure integrally formed with the first shell or the second shell, so that the difficulty of clamping the box can be reduced, and the assembly efficiency can be improved.

Description

Cartridge and sample analyzer

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a cartridge and a sample analyzer.

Background

In sample analysis, a reagent card is generally used to detect a sample, and in a sample analyzer, a plurality of reagent cards are generally provided in the same cartridge in order to facilitate the use of the reagent card. The existing cartridge is generally provided with a spring cover at the outlet of the reagent card, and the reagent card in the cartridge is taken out by opening the spring cover, however, the spring cover is used for connecting the cartridge body of the cartridge with the cartridge cover through a spring, so that the cartridge is complex in structure, and when the cartridge is installed, the spring is easy to be ejected due to the elastic action of the spring, so that the assembly difficulty is high and the efficiency is low.

In view of the above-mentioned drawbacks, it is necessary to provide a new cartridge and sample analyzer.

Disclosure of Invention

The utility model mainly aims to provide a cartridge and a sample analyzer, and aims to solve the problems of high assembly difficulty and low efficiency caused by the fact that a spring cover is arranged on the existing cartridge.

To achieve the above object, the present utility model provides a cartridge comprising:

a first housing;

the second shell is connected with the first shell and encloses a containing cavity for containing the reagent card, and an outlet for taking out the reagent card is arranged at the bottom of the containing cavity;

and the flexible structure is arranged at the outlet and used for blocking the reagent card positioned at the outlet, and the flexible structure and the first shell or the second shell are integrally formed.

Preferably, the second housing comprises two side walls and a bottom wall, wherein the two side walls are oppositely arranged, the bottom wall is connected with the two bottom walls, two reinforcing ribs which are respectively close to the two side walls are arranged on the bottom wall, and the flexible structure is connected with the reinforcing ribs which are close to the outlet.

Preferably, the flexible structure is a flexible board, a gap is formed between the flexible board and the bottom wall, and the distance between the flexible board and the corresponding side wall gradually decreases from one end close to the reinforcing rib to a direction away from the reinforcing rib.

Preferably, the flexible plate is a curved plate, with the curved convex surface of the flexible plate facing the receiving cavity.

Preferably, the flexible board comprises a first flexible section and a second flexible section which are connected with each other, wherein one end of the first flexible section, which is far away from the second flexible section, is connected with the reinforcing rib, the wall thickness of the first flexible section gradually increases from the connection position of the first flexible section and the second flexible section to the direction away from the second flexible section, and the wall thickness of the second flexible section gradually increases from the connection position of the second flexible section and the first flexible section to the direction away from the first flexible section.

Preferably, one end of the flexible plate, which is close to the outlet, is a circular arc end.

Preferably, the first housing is clamped with the second housing.

Preferably, a first identification structure is arranged on the outer side surface of the first shell and/or the second shell; the top surface of the first shell and/or the second shell is provided with a second identification structure.

Preferably, the cartridge further comprises a balancing weight arranged in the accommodating cavity, and the balancing weight is positioned above the reagent card.

Preferably, the balancing weight comprises a balancing weight seat and a balancing weight cover which are connected with each other, the clamping box comprises a drying piece, the balancing weight seat is concavely formed into a groove for accommodating the drying piece, the groove is provided with an opening, the balancing weight cover is arranged at the opening, and the balancing weight is provided with air holes.

Preferably, one of the counterweight cover and the counterweight seat is provided with a positioning hole, and the other one is provided with a positioning column inserted into the positioning hole; the counterweight cover is provided with a first buckle, and a second buckle clamped with the first buckle is arranged in the groove of the groove.

Preferably, the balancing weight is of an axisymmetric structure.

In addition, the utility model also provides a sample analyzer, which comprises a reagent card bin, a driving device and a detection device, wherein the reagent card bin is used for accommodating the card box, and the driving device is used for driving the reagent card in the card box to move and conveying the reagent card to the detection device for detection.

According to the technical scheme, the cartridge comprises the first shell, the second shell and the flexible structure, wherein the first shell and the second shell are connected with each other and enclose a containing cavity for containing the reagent card, an outlet for taking out the reagent card is formed in the bottom of the containing cavity, the flexible structure at the outlet can block the reagent card in the containing cavity and close to the outlet, so that the spring cover can be replaced, the assembly step is simplified, and the flexible structure and the first shell or the second shell are integrally formed, so that the flexible structure is not required to be additionally installed, the assembly difficulty of the cartridge is small, the assembly efficiency is high, and the cost is reduced. According to the utility model, the spring cover is replaced by the flexible structure integrally formed with the first shell or the second shell, so that the difficulty of clamping the box can be reduced, and the assembly efficiency can be improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an exploded view of a cartridge according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a cartridge according to an embodiment of the utility model;

FIG. 3 is a schematic cross-sectional view of a cartridge according to an embodiment of the utility model;

FIG. 4 is a schematic structural view of a second housing according to an embodiment of the present utility model;

FIG. 5 is an enlarged view of a portion of the second housing according to an embodiment of the utility model;

FIG. 6 is a schematic structural view of a first housing according to an embodiment of the utility model;

FIG. 7 is a schematic diagram of a structure of a reagent card in a second housing according to an embodiment of the present utility model;

FIG. 8 is a schematic diagram of a counterweight according to an embodiment of the utility model;

FIG. 9 is an exploded view of a counterweight according to an embodiment of the utility model.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				1	First shell body	7	Balancing weight
13	First identification structure	71	Counterweight seat
				14	Second identification structure	711	Groove
2	Second shell	72	Counterweight cover
				21	Side wall	721	Air vent
22	Bottom wall	73	Positioning hole
				221	Reinforcing rib	74	Positioning column
26	Accommodating chamber	75	First fastener
				261	An outlet	76	Second fastener
6	Flexible structure	77	Drying piece
				61	Gap of	10	Reagent card

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

The utility model provides a cartridge and a sample analyzer, and aims to solve the problems of high assembly difficulty and low efficiency caused by the fact that a spring cover is arranged on an existing cartridge.

Referring to fig. 1 to 3, the cartridge includes a first housing 1, a second housing 2, and a flexible structure 6, the second housing 2 is connected with the first housing 1 and encloses a receiving cavity 26 for receiving a reagent card 10, an outlet 261 for taking out the reagent card 10 is provided at the bottom of the receiving cavity 26, the flexible structure 6 is disposed at the outlet 261 and is used for blocking the reagent card 10 located at the outlet 261, and the flexible structure 6 and the first housing 1 or the second housing 2 are integrally formed.

The cartridge of the utility model comprises a first shell 1, a second shell 2 and a flexible structure 6, wherein the first shell 1 and the second shell 2 are connected with each other and are enclosed to form a containing cavity 26 for containing the reagent card 10, an outlet 261 for taking out the reagent card 10 is arranged at the bottom of the containing cavity 26, the flexible structure 6 positioned at the outlet 261 can block the reagent card 10 in the containing cavity 26 and close to the outlet 261, thereby replacing a spring cover, simplifying the assembly step, and the flexible structure 6 and the first shell 1 or the second shell 2 are integrally formed without additionally installing the flexible structure 6, so that the assembly difficulty of the cartridge is small, the assembly efficiency is low, and the cost is reduced. According to the utility model, the flexible structure 6 integrally formed with the first shell 1 or the second shell 2 is used for replacing the spring cover, so that the difficulty of clamping the box can be reduced, and the assembly efficiency can be improved.

In an embodiment, as shown in fig. 4 and 5, the second housing 2 includes two opposite side walls 21 and a bottom wall 22 connecting the two side walls 21, two reinforcing ribs 221 respectively adjacent to the two side walls 21 are disposed on the bottom wall 22, and the flexible structure 6 is connected to the reinforcing ribs 221 adjacent to the outlet 261. For automated production, the cartridge further comprises a flexible structure 6 for blocking the reagent card 10 at the outlet 261, the flexible structure 6 replaces a spring cover in the existing cartridge, the flexible structure 6 is connected with the side wall 21 or the reinforcing ribs 221, and is integrally formed with the second housing 2, so that materials such as springs and covers can be saved, assembly is not needed, and cost is saved.

Further, the flexible structure 6 is a flexible board, and a gap 61 is formed between the flexible board and the bottom wall 22, and the distance between the flexible board and the corresponding side wall 21 gradually decreases from one end close to the reinforcing rib 221 to a direction away from the reinforcing rib 221. The distance between the flexible structure 6 and the blocking wall gradually decreases from one side close to the accommodating cavity 26 to the direction away from the accommodating cavity 26, so that the quality control card can be conveniently inserted into the accommodating cavity 26 from the outlet 261, the flexible structure 6 is a flexible plate, the manufacturing is convenient, one end of the flexible plate is connected with the side wall 21, the other end of the flexible plate is in a suspended state, namely, a gap 61 is formed between the flexible plate and the bottom wall 22, and the elasticity of the flexible plate can be better.

Meanwhile, in the specific embodiment, the quality control card is a detection card for performing quality control detection, which is different from the reagent card 10 in reagent type, and has the same structure as the reagent card 10, but needs to be pushed into the cartridge during detection to perform quality control detection, so that the quality control card can be loaded into the cartridge from the outlet 261 by providing the outlet 261 and the flexible structure 6 on the cartridge.

Meanwhile, when the POCT analyzer performs detection or quality control operation, the POCT analyzer needs to hook the reagent card 10 or the quality control card through the hook structure and hook the reagent card or the quality control card from the outlet 261 for detection or quality control operation.

In addition, in one embodiment, the flexible sheet is a curved sheet with the curved convex surface of the flexible sheet facing the receiving cavity 26. To increase the flexibility of the flexible sheet, the flexible sheet may be configured to have a degree of bending, with the bending of the flexible sheet facing the receiving cavity 26 to facilitate removal of the reagent card 10 from the outlet 261.

Wherein, the flexible board includes interconnect's first flexible section and second flexible section, and the one end that the second flexible section was kept away from to first flexible section is connected with reinforcing rib 221, and the wall thickness of first flexible section is from the junction of first flexible section and second flexible section to the direction of keeping away from the second flexible section increase gradually, and the wall thickness of second flexible section is from the junction of second flexible section and first flexible section to the direction of keeping away from first flexible section increase gradually. To make the flexible board more elastic, the flexible board may be set to have thick ends and thin middle, and the first flexible section of the flexible board is connected to the side wall 21 or the reinforcing rib 221, and the second flexible section is in a suspended state.

Further, to perform multiple functions, the end of the flexible plate near the outlet 261 is a rounded end. To prevent the reagent card 10 from being scratched by the flexible plate when it is taken out from the outlet 261, one end of the flexible plate near the outlet 261 may be provided as a circular arc end.

In the above embodiment, the first housing 1 is engaged with the second housing 2. For improving assembly efficiency, the connection between the first shell 1 and the second shell 2 can be fixed by adopting the first positioning and then buckling, so that the assembly of the first shell 1 and the second shell 2 is facilitated, namely, the first shell 1 and the second shell 2 can realize positioning and matching through shaft holes, and the buckling matched with each other is realized through the buckling.

In an embodiment, as shown in fig. 6, the outer side surface of the first casing 1 and/or the second casing 2 is provided with a first identification structure 13; the top surface of the first housing 1 and/or the second housing 2 is provided with a second identification structure 14. For the installation of the cartridge, can set up on the cartridge and prevent slow-witted structure, like first identification structure 13 and second identification structure 14, wherein, first identification structure 13 can set up in the diapire 22 outside of second casing 2, also can set up in the shell wall outside that first casing 1 and diapire 22 correspond, first identification structure 13 can adopt the arrow-shaped, the direction that the instruction cartridge put into the sample analysis appearance, the direction is unique, the opposite direction inserts the sample analysis appearance and is unable to use, the arrow-shaped indent portion of first identification structure 13 is the plain noodles, other faces are the fog face, the purpose is that the arrow is more obvious. In addition, the second identification structure 14 arranged on the top surface of the first casing 1 and/or the second casing 2 is combined to prevent the card from falling down, and the second identification structure 14 can be arranged as a notch structure.

Further, as shown in fig. 7, the cartridge further includes a balancing weight 7 disposed in the accommodating cavity 26, and the balancing weight 7 is located above the reagent card 10. In order to ensure that the reagent card 10 can fall, the balancing weight 7 is arranged in the accommodating cavity 26, the balancing weight 7 is pressed on the reagent card 10, and the reagent card 10 can fall to the outlet 261 under the pressure of the balancing weight 7 and the self gravity. It should be noted that, when the fit gap 61 between the weight 7 and the wall of the accommodating cavity 26 is smaller than the distance raised by the reagent card 10, the action of the weight 7 can be maximized, and when one end of the reagent card 10 is raised, most of the gravity of the weight 7 acts on the raised end of the reagent card 10.

In an embodiment, as shown in fig. 8 and 9, the counterweight 7 includes a counterweight base 71 and a counterweight cover 72 connected to each other, the cartridge includes a drying member 77, the counterweight base 71 is concavely formed with a groove 711 for accommodating the drying member 77, the groove 711 has an opening, the counterweight cover 72 covers the opening, and the counterweight 7 is provided with ventilation holes 721. The balancing weight 7 comprises a balancing weight seat 71 and a balancing weight cover 72 which are connected with each other, the balancing weight seat 71 can be internally provided with a drying piece 77, the balancing weight cover 72 is provided with an air hole 721, and water vapor in the accommodating cavity 26 can enter the groove 711 through the air hole 721 to be dried by the drying piece 77, so that the reagent card 10 can be conveniently stored.

Further, one of the weight cover 72 and the weight seat 71 is provided with a positioning hole 73, and the other is provided with a positioning column 74 inserted into the positioning hole 73; the counterweight cover 72 is provided with a first buckle 75, and a second buckle 76 clamped with the first buckle 75 is arranged in a groove of the groove 711. Adopt location and fixed connection between counterweight cover 72 and the counter weight seat 71 for the outside dimension of balancing weight 7 is unanimous, and the recess 711 is located to second buckle 76, can be convenient for balancing weight 7 activity from top to bottom in holding chamber 26, and first buckle 75 and second buckle 76 make the little as far as possible, reduce the space that takes up inside place the drying package. In order to prevent the weight seat 71 from being recessed, a plurality of stopper steps may be provided at intervals on the weight cover 72, and the outer periphery surrounded by the stopper steps may abut against the wall of the groove 711, so that the weight cover 72 and the weight seat 71 are restricted with each other.

Wherein, balancing weight 7 is axisymmetric structure. For the assembly of the balancing weight 7 of being convenient for, simplify the assembly degree of difficulty and time for balancing weight 7 can blind dress in the card box, and balancing weight 7 sets up to axisymmetric structure, and the symmetry axis of balancing weight 7 sets up along its direction that gets into holding chamber 26.

In addition, the utility model also provides a sample analyzer, which comprises a reagent card bin, a driving device and a detection device, wherein the reagent card bin is used for accommodating the card box, and the driving device is used for driving the reagent card 10 in the card box to move and conveying the reagent card 10 to the detection device for detection. The specific structure of the cartridge in the sample analyzer refers to the above embodiments, and since the sample analyzer adopts all the technical solutions of all the embodiments, the sample analyzer has at least all the beneficial effects brought by the technical solutions of the embodiments, and will not be described in detail herein.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. A cartridge, the cartridge comprising:

a first housing;

2. The cartridge of claim 1, wherein the second housing includes two side walls disposed opposite each other and a bottom wall connecting the two side walls, two reinforcing ribs disposed on the bottom wall and respectively adjacent to the two side walls, and the flexible structure is connected to the reinforcing ribs adjacent to the outlet.

3. The cartridge of claim 2, wherein the flexible structure is a flexible plate having a gap between the flexible plate and the bottom wall, and the distance between the flexible plate and the corresponding side wall decreases gradually from an end closer to the reinforcing rib to a direction away from the reinforcing rib.

4. A cartridge according to claim 3, wherein the flexible plate is a curved plate with its curved convex surface facing the receiving cavity.

5. The cartridge of claim 4, wherein the flexible plate comprises a first flexible segment and a second flexible segment that are connected to each other, wherein an end of the first flexible segment that is distal from the second flexible segment is connected to the stiffener, wherein a wall thickness of the first flexible segment increases gradually from a junction of the first flexible segment and the second flexible segment in a direction away from the second flexible segment, and wherein a wall thickness of the second flexible segment increases gradually from a junction of the second flexible segment and the first flexible segment in a direction away from the first flexible segment.

6. A cartridge according to claim 3, wherein the end of the flexible plate adjacent the outlet is a rounded end.

7. The cartridge of any one of claims 1 to 6, wherein the first housing is snapped into engagement with the second housing.

8. The cartridge of any one of claims 1 to 6, wherein an outer side of the first housing and/or the second housing is provided with a first identification structure; the top surface of the first shell and/or the second shell is provided with a second identification structure.

9. The cartridge of any one of claims 1 to 6, further comprising a weight disposed within the receiving cavity, the weight being located above the reagent card.

10. The cartridge of claim 9, wherein the weight includes a weight seat and a weight cover that are connected to each other, the cartridge includes a drying member, the weight seat is concave to form a recess for receiving the drying member, the recess has an opening, the weight cover is provided at the opening, and the weight is provided with ventilation holes.

11. The cartridge of claim 10, wherein one of the weight cover and the weight seat is provided with a positioning hole, and the other is provided with a positioning post inserted into the positioning hole; the counterweight cover is provided with a first buckle, and a second buckle clamped with the first buckle is arranged in the groove of the groove.

12. The cartridge of claim 9, wherein the weight is of axisymmetric construction.

13. A sample analyser comprising a reagent cartridge for housing a cartridge according to any one of claims 1 to 12, drive means for driving movement of a reagent card within the cartridge and transporting the reagent card to the detection means for detection.