CN217265761U - Warehouse-in and warehouse-out mechanism and molecule POCT (point of care testing) all-in-one machine - Google Patents

Abstract

The utility model relates to a business turn over storehouse mechanism and molecule POCT all-in-one. This business turn over storehouse mechanism includes: a base; the tray assembly comprises a tray arranged on the base and a clamping structure arranged on the tray, the tray can be controlled to move to a bin inlet position or a bin outlet position relative to the base, and the tray assembly is provided with a placing position for positioning the card box; and the driving piece is arranged corresponding to the bin feeding position, and when the tray moves to the bin feeding position, the driving piece is abutted against the clamping structure and applies an acting force to the clamping structure to tightly abut the card box on the placing position. So, when the tray business turn over storehouse, the card box to placing on the position that chucking structure can be automatic supports tightly fixedly or removes to support tightly fixedly under the effect of ordering about the piece, only need place or take off the operation of card box can, simplified the operation flow in business turn over storehouse, reduced the operation degree of difficulty.

Description

Warehouse-in and warehouse-out mechanism and molecule POCT (point of care testing) all-in-one machine

Technical Field

The utility model relates to a biological detection technical field especially relates to a business turn over storehouse mechanism and molecule POCT all-in-one.

Background

Nucleic acid extraction and detection on a sample are an important task of molecular diagnosis, so that nucleic acid extraction and detection need to be performed on a molecular POCT all-in-one machine, and therefore, cartridges for containing reagents and samples need to be subjected to warehousing and warehousing actions at each station so as to complete corresponding steps, such as nucleic acid extraction or detection, at each station. Therefore, the molecular POCT all-in-one machine needs to be provided with a warehouse inlet and outlet mechanism at each station so as to realize warehouse inlet and warehouse outlet actions of the card boxes.

In the traditional warehouse inlet and outlet mechanism, when warehouse inlet is carried out, an operator is required to place the card box on the warehouse inlet and outlet mechanism and tightly clamp the card box on the warehouse outlet mechanism by operating a buckle and the like; when going out the storehouse, need operating personnel to operate the chucking of buckle etc. and remove the card box, then take off the card box again, need the manual work promptly to carry out the chucking card box or remove the operation of the chucking of card box, lead to the operation in business turn over storehouse comparatively complicated, the degree of difficulty is great.

SUMMERY OF THE UTILITY MODEL

On the basis, the warehouse inlet and outlet mechanism and the molecule POCT all-in-one machine which can overcome the defects are provided aiming at the problems that the warehouse inlet and outlet mechanism needs to manually clamp the card box or release the clamping of the card box, so that the warehouse inlet and outlet operation is complex and the difficulty is high.

A mechanism for accessing a bin, comprising:

a base;

the tray assembly comprises a tray arranged on the base and a clamping structure arranged on the tray, the tray can be controlled to move to a bin inlet position or a bin outlet position relative to the base, and the tray assembly is provided with a placing position for positioning the card box; and

and the driving piece is arranged corresponding to the bin feeding position, and when the tray moves to the bin feeding position, the driving piece is abutted against the clamping structure and applies an acting force to the clamping structure to tightly abut the card box on the placing position.

In one embodiment, the clamping structure comprises a clamping block and an elastic piece, the clamping block can be connected to the tray towards the placing position in a close or far manner, and the elastic piece is abutted against the tray and the clamping block;

when the tray moves to the warehouse entering position, the driving piece is abutted to the clamping block and pushes the clamping block to move to be abutted to the clamping box close to the placing position, and the elastic piece provides elastic force enabling the clamping block to have a moving trend away from the placing position.

In one embodiment, the number of the clamping structures is two, the number of the driving pieces is two, and the two clamping structures are respectively positioned on two opposite sides of the placing position and correspond to the two driving pieces one by one;

when the tray moves to the warehouse entering position, the two clamping pieces are respectively abutted against the clamping box under the abutting action of the corresponding driving pieces.

In one embodiment, the urging member is a roller.

In one embodiment, the warehouse inlet and outlet mechanism further comprises a driving assembly arranged on the base, and the driving assembly is in transmission connection with the tray.

In one embodiment, the drive assembly comprises a drive member, a gear and a rack;

the driving part is arranged on the base, the gear is connected to an output shaft of the driving part in a transmission mode, and the rack is connected to the tray and meshed with the gear.

In one embodiment, a sliding block is arranged on the tray, a sliding rail is arranged on the base, and the sliding block is connected with the sliding rail in a sliding manner.

In one embodiment, the placement station is provided with a heated base plate for supporting and heating the cartridges.

In one embodiment, the heating bottom plate is convexly provided with a positioning part which is used for positioning and matching with the card box.

In one embodiment, the warehouse entry and exit mechanism further comprises a sensing piece and a sensor, the sensing piece is fixedly arranged relative to the tray, and the sensor is arranged corresponding to the warehouse entry position and used for detecting the sensing piece reaching the warehouse entry position.

A molecule POCT integrated machine comprises a sample processing mechanism and the warehouse inlet and outlet mechanism in any embodiment, wherein the sample processing mechanism is arranged corresponding to the warehouse inlet position and used for extracting and/or detecting nucleic acid of a sample in a cassette when a tray moves to the warehouse inlet position.

In practical use, the tray is located at the position of the outlet bin, and the card box can be placed on the placing position on the tray. The tray is then controlled to move to a staging position so that nucleic acid extraction and/or detection can be performed on the sample within the cartridge. At this moment, under the driving of the acting force that the driving member provided, the clamping structure supports the card box on the placing position tightly, so that the card box is fixed relative to the tray. When the extraction and/or detection of nucleic acid is completed, the tray can be controlled to move to the discharging position. At this moment, order about a separation with clamping structure for clamping structure relieves the support of the card box on placing the position tightly, makes can be smooth take off the card box from placing the position, and can place a new card box again to placing on the position, prepares for the nucleic acid extraction and/or the detection next time. So, when the tray business turn over storehouse, the card box to placing on the position that chucking structure can be automatic supports tightly fixedly or removes to support tightly fixedly under the effect of ordering about the piece, only need place or take off the operation of card box can, simplified the operation flow in business turn over storehouse, reduced the operation degree of difficulty.

Drawings

Fig. 1 is a schematic structural view of a feeding and discharging mechanism in an embodiment of the present invention;

FIG. 2 is a front view of the in-out mechanism shown in FIG. 1;

FIG. 3 is a top view of the in-out mechanism shown in FIG. 2;

FIG. 4 is a top view of the in-out mechanism shown in FIG. 2 (with the cover plate hidden);

fig. 5 is a right side view of the in-out mechanism shown in fig. 2.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms different from those described herein and similar modifications may be made by those skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not to be limited to the specific embodiments disclosed below.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 to 3, an embodiment of the present invention provides a feeding and discharging mechanism, which includes a base 10, a tray assembly 20 and an actuating member 30. The tray assembly 20 includes a tray 21 and a clamping structure 22 (see fig. 4), the tray 21 is disposed on the base 10, and the clamping structure 22 is disposed on the tray 21. The tray 21 is controllably moved to a loading position or a unloading position with respect to the base 10, and the tray 21 has a placing position a (see fig. 4) for positioning the cartridge 100. The urging member 30 is disposed corresponding to the feeding position, so that when the tray 21 moves to the feeding position, the urging member 30 abuts against the chucking structure 22 and applies a force to the chucking structure 22 to abut against the cartridge 100 on the placing position a, so that the cartridge 100 is fixed on the placing position a.

In the above described feeding and discharging mechanism, first, the tray 21 is located at the feeding position, and the cartridge 100 can be placed on the placing position a on the tray 21. The tray 21 is then controlled to move to the staging position so that nucleic acid extraction and/or detection can be performed on the sample within the cartridge 100. At this time, the chucking mechanism 22 holds the cartridge 100 positioned at the set position a under the urging force provided by the urging member 30, so that the cartridge 100 is fixed with respect to the tray 21. When the nucleic acid extraction and/or detection is completed, the tray 21 can be controlled to move to the discharging position. At this time, the urging member 30 is separated from the chucking mechanism 22, so that the chucking mechanism 22 releases the cartridge 100 from the setting position A, and the cartridge 100 can be smoothly removed from the setting position A, and a new cartridge 100 can be replaced on the setting position A in preparation for the next nucleic acid extraction and/or detection. Thus, when the tray 21 enters or exits the bin, the clamping structure 22 can automatically support or release the fastening and fixing of the card box 100 on the placing position A under the action of the driving piece 30, and only the operation of placing or taking down the card box 100 is needed, so that the operation flow of entering or exiting the bin is simplified, and the operation difficulty is reduced.

It should be noted that, when the tray 21 moves to the warehouse entry position, under the urging force provided by the urging member 30, the clamping structure 22 abuts against the cartridge 100 located on the placement position a, so that the cartridge 100 is fixed relative to the tray 21, thereby ensuring the stability of the cartridge 100 during the process of extracting and/or detecting nucleic acid from a sample in the cartridge 100, facilitating the accuracy of extracting and/or detecting nucleic acid, and reducing the risk of contamination during the transfer of a relevant reaction solution.

Referring to fig. 4, in the embodiment of the present invention, the fastening structure 22 includes a fastening block 221 and an elastic member 222. The chucking block 221 may be connected to the tray 21 toward the placement position a closely or remotely. The elastic member 222 abuts against the tray 21 and the chucking block 221. When the tray 21 moves to the position of feeding, the driving member 30 abuts against the clamping block 221, and abuts against the clamping block 221 to move close to the placing position a to abut against the cartridge 100, so that the cartridge 100 is abutted against and fixed on the placing position a. Meanwhile, the elastic member 222 provides an elastic force that causes the chucking block 221 to have a tendency to move away from the placing position a, so that the chucking block 221 can be automatically reset when the force provided by the actuating member 30 is removed. When the tray 21 leaves the warehouse entry position, the driving member 30 is separated from the clamping block 221, that is, the acting force provided by the driving member 30 disappears, and at this time, the clamping block 221 moves away from the storage position a under the elastic force of the elastic member 222, so as to be separated from the cartridge 100 in the storage position a, and at this time, the cartridge 100 in the storage position a can be smoothly taken down. Alternatively, the elastic member 222 may be a spring.

Further, the clamping block 221 has a first abutting portion (not shown), the tray 21 has a second abutting portion (not shown), one end of the elastic member 222 abuts against the first abutting portion, and the other end of the elastic member 222 abuts against the second abutting portion. When the chucking block 221 moves toward the placement position a, the first abutting portion approaches the second abutting portion, so that the amount of compression of the elastic member 222 gradually increases. When the chucking block 221 moves away from the placement position a, the first abutting portion is away from the second abutting portion, so that the amount of compression of the elastic member 222 gradually decreases. Optionally, opposite ends of the elastic member 222 are respectively sleeved on the first abutting portion and the second abutting portion, so that the elastic member 222 is compressed when the first abutting portion moves toward the second abutting portion. Of course, in other embodiments, the opposite ends of the elastic element 222 may be directly contacted with the first abutting portion and the second abutting portion, respectively, as long as the elastic element 222 can be compressed when the first abutting portion moves towards the second abutting portion, and the embodiment is not limited herein.

In the embodiment shown, the gripping structure 22 includes two, and the actuating member 30 includes two. The two clamping structures 22 are respectively located at two opposite sides of the placing position a, and correspond to the two actuating members 30 one by one.

When the tray 21 moves to the feeding position, the two clamping blocks 221 are respectively abutted against the cartridge 100 under the abutting action of the corresponding driving members 30, so that the cartridge 100 is clamped from two opposite sides of the cartridge 100 by the two clamping members, and the cartridge 100 is fixed.

Further, the moving direction of the tray 21 is a first direction, and the two clamping blocks 221 are respectively located on both sides of the placing position a along a second direction perpendicular to the first direction. And each of the chucking blocks 221 is movable in the second direction with respect to the tray 21. When the tray 21 moves to the warehouse entering position along the first direction, the two driving members 30 are respectively located at two sides of the tray 21 along the second direction and are respectively abutted against the corresponding clamping blocks 221, so that the two clamping blocks 221 are close to each other along the second direction until the card box 100 in the placing position A is clamped, and the card box 100 is prevented from shaking relative to the tray 21. When the tray 21 leaves the feeding position, the two urging members 30 are separated from the corresponding chucking blocks 221, respectively, and the two chucking blocks 221 are moved away from each other in the second direction by the elastic force of the elastic member 222, respectively, thereby releasing the chucking of the cartridge 100 in the setting position a. In the embodiment illustrated in fig. 4, the first direction is a left-right direction, and the second direction is an up-down direction.

Further, two guide grooves B are formed in the tray 21, and the two guide grooves B are located on two sides of the placing position a along the second direction respectively. Each guide groove B extends along the second direction, and the two clamping blocks 221 are slidably disposed in the two guide grooves B, respectively. When the tray 21 moves to the warehouse entering position, one end of each clamping block 221, which is away from the placing position a, abuts against the driving piece 30, so that the clamping blocks 221 move towards the placing position a along the guide grooves B until the clamping blocks 221 enter the placing position a towards the end of the placing position a and abut against the card box 100. Further, the tray assembly 20 further includes a cover plate 23, and the cover plate 23 is disposed on the tray 21 to define the clamping block 221 in the guide groove B.

In the embodiment, the driving member 30 is a roller, so that when the tray 21 enters the warehousing position, rolling friction is generated between the roller and the clamping block 221, which is beneficial to reducing the abrasion between the driving member 30 and the clamping block 221 and prolonging the service life; on the other hand, the tray 21 can smoothly enter or exit the warehouse entering position, and the driving piece 30 is prevented from blocking the tray 21.

Further, the side of the clamping block 221 facing the corresponding driving member 30 is a convex arc surface, so that the roller can smoothly roll along the convex arc surface of the clamping block 221 when the tray 21 enters or leaves the warehousing position.

Further, an end of the chucking block 221 facing the placement position a has an abutment surface that matches the outer surface of the cartridge 100. For example, the outer surface of the cartridge 100 is an arc surface, and the abutting surface of the clamping block 221 is also arc-shaped, so that when the abutting surface of the clamping block 221 abuts against the cartridge 100, the abutting surface can be attached to the outer surface of the cartridge 100, which is beneficial to increasing the contact area, and the clamping block 221 can more stably and reliably abut against and fix the cartridge 100.

Further, the mechanism for taking in and out the silo further comprises a supporting seat 31, the supporting seat 31 is fixedly connected to the base 10, and the roller is rotatably connected to the supporting seat 31. Alternatively, the roller may employ a bearing. The support 31 can be fixed on the base 10 by screw locking, but the support 31 can also be fixed on the base 10 by welding, and is not limited herein.

Referring to fig. 1, fig. 2 and fig. 5, in an embodiment of the present invention, the warehouse entry and exit mechanism further includes a driving assembly 40 disposed on the base 10, and the driving assembly 40 is in transmission connection with the tray 21 to drive the tray 21 to move between the warehouse exit position and the warehouse entry position.

In one embodiment, the driving assembly 40 includes a driving member 41, a gear 42 and a rack 43. The driving member 41 is disposed on the base 10, and the gear 42 is connected to an output shaft of the driving member 41 in a transmission manner, so that the output shaft of the driving member 41 can drive the gear 42 to rotate. The rack 43 is fixedly connected to the tray 21 and engaged with the gear 42, so that the gear 42 can move the tray 21 through the rack 43 when rotating, i.e. the rotation motion output by the driving member 41 is converted into the linear motion of the tray 21 through the engagement of the gear 42 and the rack 43. Alternatively, the rack 43 may be fastened to the tray 21 by screwing. Of course, in other embodiments, the rack 43 may be welded and fixed on the tray 21, and is not limited herein.

In the embodiment, the tray 21 is provided with a sliding block 13 (see fig. 5), the base 10 is provided with a sliding rail 12 (see fig. 5), and the sliding block 13 is slidably connected with the sliding rail 12. In this way, the slider 13 and the slide rail 12 are used for guiding the movement of the tray 21, so that the movement of the tray 21 between the warehouse-in position and the warehouse-out position is more stable and reliable. Optionally, the slide rail 12 is fixedly mounted on the base 10 through the slide rail fixing seat 11. It should be noted that the sliding block 13 and the tray 21 can be fixed by using a fixing method such as screws or welding, the sliding rail 12 and the sliding rail fixing seat 11 can be fixed by using a fixing method such as screws or welding, and the sliding rail fixing seat 11 and the base 10 can be fixed by using a fixing method such as screws or welding.

Referring to fig. 4, in the embodiment of the present invention, the placing position a is provided with a heating bottom plate 24, and the heating bottom plate 24 is used for supporting the cartridge 100 and heating the cartridge 100 on the heating bottom plate 24, so that the sample, the reagent, and the like in the cartridge 100 are in a desired temperature range, which is beneficial for the extraction and/or detection of nucleic acid. Specifically, the heating base plate 24 has a heating element, such as an electric heating tube, integrated therein, as long as the heating of the cartridge 100 can be achieved, and is not limited thereto.

Further, a positioning portion 25 is projected on the heating bottom plate 24, and the positioning portion 25 is used for positioning engagement with the cartridge 100, so that the cartridge 100 can be easily placed in position by engagement of the positioning portion 25 with the cartridge 100. Optionally, the cartridge 100 has a positioning slot in positioning engagement with the positioning portion 25. Of course, the number of the positioning portions 25 may be plural (for example, three), and the cartridge 100 has plural positioning grooves corresponding to the plural positioning portions 25 one by one.

In the embodiment of the present invention, the warehouse entry mechanism further includes a sensing piece 60 and a first sensor (not shown), and the sensing piece 60 is fixedly disposed relative to the tray 21 (e.g. mounted on the tray 21 or the cover plate 23) so as to move together with the tray 21. The first sensor is disposed corresponding to the feeding position for detecting the sensing piece 60 reaching the feeding position. Thus, when the first sensor detects the sensing piece 60, it indicates that the tray 21 has moved to the feeding position, so that the driving member 41 can be controlled to stop operating, so that the tray 21 stays at the feeding position for the nucleic acid extraction and/or detection. Alternatively, the first sensor may be a photosensor. Of course, the first sensor may be other types of contact or non-contact position sensors, and is not limited herein.

In a specific embodiment, the in-out mechanism may further include a second sensor (not shown) disposed corresponding to the discharging position for detecting the sensing piece 60 reaching the discharging position. In this way, when the second sensor detects the sensing piece 60, it indicates that the tray 21 has moved to the discharging position, so that the driving member 41 can be controlled to stop operating, so that the tray 21 stays at the discharging position to facilitate the removal or replacement of the cartridge 100. Alternatively, the second sensor may be a photosensor. Of course, the second sensor may be other types of contact or non-contact position sensors, and is not limited herein.

In the embodiment, the warehouse entry and exit mechanism further includes a magnetic component disposed corresponding to the warehouse entry position, and when the tray 21 moves to the warehouse entry position, the magnetic component can be close to or far away from the card box 100 on the storage position a. When the magnetic attraction component moves close to the card box 100, magnetic beads in the card box 100 are attracted; when the magnetic attraction component moves far away from the card box 100, the adsorption of magnetic beads in the card box 100 is relieved, and the nucleic acid extraction by a magnetic bead method is realized.

Based on above-mentioned business turn over storehouse mechanism, the utility model discloses still provide a molecule POCT all-in-one, including sample processing mechanism and as above arbitrary embodiment business turn over storehouse mechanism.

The sample processing mechanism is disposed in correspondence with the warehousing position for performing nucleic acid extraction and/or detection on the sample in the cartridge 100 when the tray 21 is moved to the warehousing position.

Specifically, the sample processing means may be a nucleic acid extraction means for extracting nucleic acid, and may be a detection means for performing fluorescence PCR detection.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (11)

1. An in-and-out mechanism, comprising:

a base (10);

the tray assembly (20) comprises a tray (21) arranged on the base (10) and a clamping structure (22) arranged on the tray (21), the tray (21) can be controllably moved to a bin-in position or a bin-out position relative to the base (10), and the tray assembly is provided with a placing position (A) for positioning the card box (100); and

and the driving piece (30) is arranged corresponding to the bin feeding position, when the tray (21) moves to the bin feeding position, the driving piece (30) is abutted against the clamping structure (22) and applies acting force to the clamping structure (22) for abutting against the card box (100) on the placing position (A).

2. The mechanism of claim 1, wherein the clamping structure (22) comprises a clamping block (221) and an elastic member (222), the clamping block (221) can be connected to the tray (21) towards the placing position (A) in a approaching or departing manner, and the elastic member (222) is abutted against the tray (21) and the clamping block (221);

when the tray (21) moves to the warehouse entering position, the driving piece (30) is abutted to the clamping block (221) and pushes the clamping block (221) to move close to the placing position (A) to be abutted to the card box (100), and the elastic piece (222) provides elastic force enabling the clamping block (221) to have a moving trend away from the placing position (A).

3. The mechanism of claim 2, wherein the gripping structure (22) comprises two, the actuating member (30) comprises two, and the two gripping structures (22) are respectively located at two opposite sides of the placement position (A) and correspond to the two actuating members (30) one by one;

when the tray (21) moves to the warehouse entering position, the two clamping blocks (221) are respectively abutted against the clamping box (100) under the abutting action of the corresponding driving pieces (30).

4. The mechanism according to claim 2, wherein the urging member (30) is a roller.

5. The mechanism of claim 1, further comprising a driving assembly (40) disposed on the base (10), wherein the driving assembly (40) is in transmission connection with the tray (21).

6. The mechanism according to claim 5, wherein the drive assembly (40) comprises a drive member (41), a gear (42) and a rack (43);

the driving part (41) is arranged on the base (10), the gear (42) is in transmission connection with an output shaft of the driving part (41), and the rack (43) is connected to the tray (21) and meshed with the gear (42).

7. The mechanism of claim 5, wherein the tray (21) is provided with a slide block (13), the base (10) is provided with a slide rail (12), and the slide block (13) is connected with the slide rail (12) in a sliding manner.

8. The mechanism of claim 1, wherein said placement station (a) is provided with a heated floor (24), said heated floor (24) being adapted to support said cartridge (100) and to heat said cartridge (100).

9. The mechanism of claim 8, wherein the heating bottom plate (24) is provided with a positioning part (25) in a protruding manner, and the positioning part (25) is used for positioning and matching with the cartridge (100).

10. The mechanism according to claim 1, further comprising a sensor plate (60) and a sensor, wherein the sensor plate (60) is fixedly disposed relative to the tray (21), and the sensor is disposed corresponding to the feeding position for detecting the sensor plate (60) reaching the feeding position.

11. A molecular POCT machine comprising a sample processing mechanism and a cartridge access mechanism according to any one of claims 1 to 10, the sample processing mechanism being disposed in correspondence with the cartridge access position for performing nucleic acid extraction and/or detection on a sample in the cartridge (100) when the tray (21) is moved to the cartridge access position.

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