CN113174318A

CN113174318A - Reagent feed mechanism

Info

Publication number: CN113174318A
Application number: CN202110455711.8A
Authority: CN
Inventors: 杨功达; 曾丰波; 胡秀弟; 李凤梅
Original assignee: Suzhou Sunzhiqi Biotechnology Co ltd
Current assignee: Suzhou Lansha Biotechnology Co.,Ltd.
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-07-27
Anticipated expiration: 2041-04-26
Also published as: CN113174318B

Abstract

The invention provides a reagent feeding mechanism, which comprises a drawing part; and a plurality of carriers for holding the reagent, which are arranged on the drawing part; the carrier comprises a culture container and a mounting frame, the culture container is arranged on the mounting frame, the mounting frame comprises a material bearing plate, a bearing groove is formed in the material bearing plate, the culture container is contained in the bearing groove, a limiting block is further mounted on the material bearing plate and is arranged on two opposite sides of the bearing groove, the position of the carrier is limited through the limiting block, the culture container is fixed on the mounting frame through the bearing groove and the limiting block in a matched mode, the carrier moves along with the drawing portion when the drawing portion is pulled, and therefore reagent taking and placing are facilitated.

Description

Reagent feed mechanism

Technical Field

The invention belongs to the field of feeding devices, and particularly relates to a reagent feeding mechanism.

Background

In current check out test set, need add the sample liquid to detect reagent and cultivate after gathering the sample liquid, and simultaneously, in order to avoid the interference of cultivateing in-process bacterium, often can form aseptic operational environment in check out test set, however, detect reagent belongs to the consumptive material, just need change after adding the sample liquid and cultivateing, and open check out test set in the change process and take out and change the detect reagent who adds the sample liquid, and open check out test set's in-process at present, need open the door body, taking out the detect reagent of inside, because need carry out two-step operation and increased the time that check out test set exposes under external environment, lead to its contaminated risk increase.

In view of this, it is urgently needed to design a reagent feeding mechanism to solve the above problems.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a reagent feeding mechanism, which comprises:

a pull-out section; and

a plurality of carriers for holding reagents, which are arranged on the drawing part;

the carrier comprises a culture container and a mounting frame, the culture container is arranged on the mounting frame, the mounting frame comprises a material bearing plate, a bearing groove is formed in the material bearing plate, the culture container is contained in the bearing groove, a limiting block is further arranged on the material bearing plate and is arranged on two opposite sides of the bearing groove, the limiting block is pressed on the carrier, so that the carrier is fixed to the drawing portion, and when the drawing portion is pulled, the carrier moves along with the drawing portion.

Preferably, the drawing part includes a pulling plate and a bottom plate, the pulling plate is installed at one end of the bottom plate, and the pulling plate is connected with the bottom plate to form the L-shaped drawing part.

Preferably, the mounting frame further comprises a connecting plate, and the connecting plate is arranged below the material bearing plate and used for connecting the bottom plate;

the bottom plate is provided with at least two positioning columns, and the connecting plate is provided with positioning sleeves corresponding to the positioning columns;

the positioning sleeve is sleeved on the positioning column, so that the connecting plate and the bottom plate form a limiting structure.

Preferably, a connecting module is arranged on the bottom plate, a connecting port corresponding to the connecting module is arranged on the connecting plate, and the mounting frame is fixed on the drawing part through the connection between the connecting module and the connecting port.

Preferably, the material receiving plate is provided with a hollow part penetrating through the material receiving plate, the culture container is arranged in the hollow part, a receiving groove formed by extending is formed in the wall of the hollow part, and the culture container is received on the receiving groove.

Preferably, the limiting block comprises a hook claw and an elastic body, the hook claw and the material bearing plate are pivoted, the elastic body is arranged between the hook claw and the material bearing plate, and the hook claw is pressed on the upper surface of the culture container so as to press the culture container into the bearing groove.

Preferably, the carrier includes a third carrier, the third carrier includes a third material-bearing plate, an inwardly-recessed third material-bearing groove is formed on the third material-bearing plate, and the culture container is placed on the third material-bearing groove.

Preferably, the culture container comprises an incubator, and a plurality of sunken culture deep holes are formed in a box body of the incubator; the box body is placed in the third material bearing groove.

Preferably, a third limiting block and a top block are arranged on two opposite sides of the third material bearing groove;

the outer side of the box body extends outwards to form an extension skirt edge, the extension skirt edge extends into the third material bearing groove, and the ejector block comprises an elastically telescopic limiting ball head;

the box body is pressed on the third limiting block through the limiting ball head pushing the extending skirt edge, so that the incubator is fixed on the third carrier.

Preferably, at least three carriers for holding samples are sequentially arranged on the drawing part along the drawing direction of the drawing part, and the sample adding ports of the culture containers on the at least three carriers are all arranged on the same horizontal plane.

Compared with the prior art, the invention has the beneficial effects that:

according to the reagent feeding mechanism provided by the invention, the carrier is arranged on the drawing part, so that when the drawing part is drawn, the carrier moves to the outside of the detection equipment along with the drawing part, a user can conveniently replace the carrier through external operation, and meanwhile, the risk of pollution in the detection equipment is reduced.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

FIG. 1 is a schematic diagram of a first three-dimensional structure of a sample injection mechanism according to an embodiment of the present invention;

FIG. 2 is a second perspective view of a sample injection mechanism according to an embodiment of the present invention;

FIG. 3 is a schematic perspective view of a drawing portion in the sample feeding mechanism according to an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a perspective view of a first carrier of the present invention;

FIG. 6 is a schematic view of the structure of the mounting frame and the culture container in the first carrier of the present invention

FIG. 7 is a perspective view of a second carrier according to the present invention;

FIG. 8 is a perspective view of a third carrier according to the present invention;

fig. 9 is a top view of a third carrier of the present invention;

fig. 10 is a partially enlarged schematic view of a portion B in fig. 9.

Shown in the figure:

32. a sample introduction mechanism;

321. a pull-out section; 3211. pulling a plate; 32111. a handle; 3212. a base plate; 3213. a locking plate; 3214. a positioning column; 32141. a first positioning post; 32142. a second positioning column; 3215. an induction sheet; 3216. a connecting module;

322. a first carrier; 3221. a first material bearing plate; 32211. a first receiving groove; 32212. a first abdicating hole; 3222. a first connecting plate; 32221. a positioning sleeve; 32222. a connecting port; 3223. a first stopper; 3224. a tray; 3225. sample adding suction head; 3226. a first upright post;

323. a second carrier; 3231. a second material bearing plate; 32311. a second receiving groove; 32312. a second abdicating hole; 3232. a second connecting plate; 3233. a second limiting block; 3234. culturing the plate; 3235. a culture tube; 3236. a second upright post;

324. a third carrier; 3241. a third material bearing plate; 32411. a third material bearing groove; 3242. a third connecting plate; 3243. a third limiting block; 32431. positioning the bump; 3244. an incubator; 32441. deep hole culture; 32442. a box body; 32443. an extended skirt; 3246. a third column; 3247. a top block; 32471. a limiting ball head.

Detailed Description

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings, which will enable those skilled in the art to practice the present invention with reference to the accompanying specification. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, "depth" corresponds to the dimension from front to back, "closed" indicates that the vehicle is easy to pass but not accessible to the operator, and "annular" corresponds to the circular shape. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

As shown in fig. 1-4, a reagent feeding mechanism includes a sample feeding mechanism 32, the sample feeding mechanism 32 is used for taking and placing a reagent, the sample feeding mechanism 32 includes: a pull-out portion 321; and

a plurality of carriers for holding reagents, which are installed in the drawing part 321;

wherein, the carrier is including cultivateing container and mounting bracket, it locates to cultivate the container on the mounting bracket, it is in order to be used for holding reagent to divide into a plurality of independent cavities in the cultivation container, simultaneously, also as the cultivation room after adding the sample liquid, the mounting bracket includes the material supporting plate, the material supporting plate is last to have seted up and to have accepted the groove, the cultivation container accept in accept the inslot, still install the stopper on the material supporting plate, the stopper is located accept the both sides that the groove is relative, the stopper pressfitting the carrier is so that the carrier is fixed on pull portion 321, at the pulling during pull portion 321, the carrier is along with pull portion 321 removes.

The drawing part 321 includes a pulling plate 3211 and a bottom plate 3212, the pulling plate 3211 is installed at one end of the bottom plate 3212, the pulling plate 3211 is connected to the bottom plate 3212 to form an L-shaped drawing part 321, a sliding rail is installed on the ground of the bottom plate 3212, and the sliding direction of the drawing part 321 is limited by the sliding rail.

Because the door body is often required to be opened in the existing detection equipment, then the reagent container placed in the detection equipment is taken out, and a new reagent container is replaced, on the basis, the steps that a user needs to load materials are at least divided into two steps of opening the door body and replacing the reagent container, the opening area of the door body is designed to be small in order to reduce the pollution risk, the reagent is required to be taken and placed in a complex manner, and meanwhile, the risk of polluting the internal environment is increased when the user stretches into the detection equipment; therefore, in the present embodiment, the carrier is driven by the pulling portion 321, and when the pulling portion 321 is pulled, the carrier can be pulled out from the detection apparatus, so that the carrier is separated from the detection apparatus and moves to the external environment, so that a user does not need to extend into the detection apparatus for replacement, and the risk of contamination inside the detection apparatus can be reduced while the replacement is facilitated.

Furthermore, a handle 32111 is disposed on one side of the pulling plate 3211 away from the bottom plate 3212, so that a user can conveniently push and pull the drawing portion 321 by holding the handle 32111, a locking plate 3213 is mounted on the other side of the pulling plate 3211 opposite to the handle 32111, the locking plate 3213 is matched with the safety switch assembly, a locking structure is disposed in the safety switch assembly, the locking plate 3213 is inserted into the safety switch assembly, and the locking plate 3213 is locked and connected with the safety switch assembly through the internal locking structure, so as to fix the position of the drawing portion 321, and the drawing portion 321 is limited at a fixed position by connecting the locking plate 3213 with the safety switch assembly, so that subsequent sample liquid can be accurately added into the culture container on the carrier.

In a preferred embodiment, the mounting frame further includes a connecting plate, and the connecting plate is disposed below the material-bearing plate and used for connecting the bottom plate 3212; the connecting plate and the material bearing plate are provided with an upright post, so that the connecting plate, the material bearing plate and the upright post form a main body structure of the mounting frame, the gap distance between the connecting plate and the material bearing plate is the same as the height of the upright post, and the culture container can be accommodated in the gap by forming the gap between the connecting plate and the material bearing plate.

At least two positioning columns 3214 are arranged on the bottom plate 3212, positioning sleeves 32221 corresponding to the positioning columns 3214 are mounted on the connecting plate, and the positioning columns 3214 are sleeved with the positioning sleeves 32221, so that the connecting plate and the bottom plate 3212 form a limiting structure; specifically, the number of the positioning columns 3214 is two, each positioning column 3214 includes a first positioning column 32141 and a second positioning column 32142, the shapes of the first positioning column 32141 and the second positioning column 32142 are different, and the shapes of the positioning sleeves 32221 adapted to the first positioning column 32141 and the second positioning column 32142 having different shapes are different, so that the fixed installation relationship between the carrier and the bottom plate 3212 is achieved, installation misalignment is avoided, and accuracy is improved.

In a preferred embodiment, a connecting module 3216 is disposed on the bottom plate 3212, a connecting port 32222 corresponding to the connecting module 3216 is disposed on the connecting plate, and the connecting module 3216 is connected to the connecting port 32222 so that the mounting bracket is fixed to the drawing part 321; specifically, the connecting module 3216 is a magnet protruding from the bottom plate 3212, a recessed connecting port 32222 is formed in the connecting plate, the magnet extends into the connecting port 32222, and the magnet attracts the bottom plate 3212, so that the bottom plate 3212 is connected to the connecting plate.

The material bearing plate is provided with a through hollow part, the culture container is arranged in the hollow part, the wall of the hollow part is provided with a bearing groove formed in an extending mode, and the culture container is placed on the bearing groove.

The limiting block comprises a hook claw and an elastic body, the hook claw and the material bearing plate are pivoted, the elastic body is arranged between the hook claw and the material bearing plate, and the hook claw is pressed on the upper surface of the culture container so as to press the culture container into the bearing groove.

Example one

As shown in fig. 5 and 6, the carrier includes a first carrier 322, the first carrier 322 includes a mounting rack and a tray 3224, the mounting rack is composed of a first material receiving plate 3221, a first connecting plate 3222 and a first upright post 3226, the first material receiving plate 3221 is provided with a through hollow portion, an inner wall of the hollow portion is provided with a first receiving groove 32211, the tray 3224 is received in the first receiving groove 32211, a side wall of the tray 3224 abuts against the inner wall of the hollow portion of the first material receiving plate 3221, the stopper includes a first stopper 3223, and a hook claw in the first stopper 3223 is pressed on the tray 3224, so that the tray 3224 is fixed on the first material receiving plate 3221;

a first yielding hole 32212 is clamped in the circumferential direction of the hollow portion of the first material receiving plate 3221, and when the tray 3224 is placed on the first material receiving plate 3221, a user can conveniently grab the tray 3224 through the first yielding hole 32212; a plurality of holes are opened on the tray 3224, a sample adding suction head 3225 for holding the reagent is arranged in the holes and penetrates through the tray 3224, and when the tray 3224 is placed on the first material holding plate 3221, the sample adding suction head 3225 extends into the gap between the first material holding plate 3221 and the first connecting plate 3222.

Example two

As shown in fig. 7, the carrier includes a second carrier 323, the second carrier 323 includes a mounting frame composed of a second material receiving plate 3231, a second connecting plate 3232 and a second upright column 3236, and a culture plate 3234, the second material receiving plate 3231 is provided with a through hollow portion, a second receiving groove 32311 is formed on an inner wall of the hollow portion by extending inward in the circumferential direction, the culture plate 3234 is received in the second receiving groove 32311, a side wall of the culture plate 3234 abuts against an inner wall of the hollow portion of the second material receiving plate 3231, the stopper includes a second stopper 3233, and a claw in the second stopper 3233 is pressed on the culture plate 3234, so that the culture plate 3234 is fixed on the second material receiving plate 3231;

a second yielding hole 32312 is clamped on the circumference of the hollow part of the second material bearing plate 3231, and when the culture plate 3234 is placed on the second material bearing plate 3231, a user can conveniently grab the culture plate 3234 through the second yielding hole 32312; a plurality of culture tubes 3235 are arranged on the culture plate 3234, and reagents are placed in the culture tubes 3235.

EXAMPLE III

As shown in fig. 8 to 10, the carrier includes a third carrier 324, the third carrier 324 includes a mounting frame formed by a third material-receiving plate 3241, a third connecting plate 3242 and a third upright column 3246, the third material-receiving plate 3241 is provided with a third material-receiving groove 32411 which is recessed inwards, and the culture container is placed on the third material-receiving groove 32411.

The culture container comprises an incubator 3244, and a box body 32442 of the incubator 3244 is provided with a plurality of sunken culture deep holes; the box 32442 is placed in the third receiving groove 32411.

A third limiting block 3243 and a top block 3247 are arranged on two opposite sides of the third material bearing groove 32411;

the outer side of the box body 32442 extends outwards to form an extending skirt 32443, the extending skirt 32443 extends into the third material bearing groove 32411, and the top block 3247 comprises an elastically telescopic limiting bulb 321471;

pushing the extended skirt 32443 by the limiting button 321471 causes the box 32442 to press against the third limiting block 3243, so that the incubator 3244 is fixed on the third carrier 324.

In a preferred embodiment, at least three sample-bearing carriers are sequentially arranged on the drawing part 321 along the drawing direction thereof, the carriers can be selected from any, part or all of the three embodiments, and the sample-adding ports of the culture containers on the at least three carriers are all arranged on the same horizontal plane, so that the sample-adding device is stably moved in the sample-adding process, the operation logic is simplified, and the automation is conveniently realized.

Referring to fig. 3, an induction sheet 3215 is further installed on the bottom plate 3212, and a position sensor is further included in the detection device to detect that the sampling mechanism 32 moves in place, and the induction sheet 3215 makes contact with the position sensor in an induction manner, so that the sampling mechanism 32 is ensured to be reset to a designated position when being pushed back to the detection device, so as to facilitate subsequent detection processes.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; those skilled in the art can readily practice the invention as shown and described in the drawings and detailed description herein; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. A reagent feed mechanism, characterized by, includes:

a pull-out section (321); and

a plurality of carriers for holding reagents, which are mounted on the drawing part (321);

wherein, the carrier is including cultivateing container and mounting bracket, it locates to cultivate the container on the mounting bracket, the mounting bracket includes the material supporting plate, the material supporting plate has been seted up and has been accepted the groove, cultivate the container accept in accept the inslot, still install the stopper on the material supporting plate, the stopper is located accept the relative both sides in groove, the stopper pressfitting the carrier is so that the carrier is fixed on pull portion (321), at the pulling during pull portion (321), the carrier is along with pull portion (321) remove.

2. The reagent feeding mechanism according to claim 1, wherein the drawing part (321) comprises a pulling plate (3211) and a bottom plate (3212), the pulling plate (3211) is installed at one end of the bottom plate (3212), and the pulling plate (3211) is connected with the bottom plate (3212) to form an L-shaped drawing part (321).

3. The reagent feeding mechanism of claim 2, wherein the mounting frame further comprises a connecting plate disposed below the material-holding plate for connecting the bottom plate (3212);

at least two positioning columns are arranged on the bottom plate (3212), and positioning sleeves corresponding to the positioning columns are arranged on the connecting plate;

the positioning sleeve is sleeved on the positioning column, so that the connecting plate and the bottom plate (3212) form a limiting structure.

4. The reagent feeding mechanism of claim 3, wherein a connecting module (3216) is disposed on the bottom plate (3212), a connecting port corresponding to the connecting module (3216) is disposed on the connecting plate, and the connecting module (3216) is connected to the connecting port to fix the mounting rack on the drawing part (321).

5. The reagent feeding mechanism according to any one of claims 1 to 4, wherein the receiving plate is provided with a hollow portion therethrough, the culture vessel is provided in the hollow portion, a receiving groove formed by extending is provided on a wall of the hollow portion, and the culture vessel is received in the receiving groove.

6. The reagent feeding mechanism according to any one of claims 1 to 4, wherein the limiting block comprises a hook claw and an elastic body, the hook claw and the material-bearing plate are pivotally disposed, the elastic body is disposed between the hook claw and the material-bearing plate, and the hook claw is pressed on the upper surface of the culture container to press the culture container into the receiving groove.

7. The reagent feeding mechanism of any one of claims 1 to 4, wherein the carrier comprises a third carrier (324), the third carrier (324) comprises a third material-bearing plate (3241), the third material-bearing plate (3241) is provided with a third material-bearing groove (32411) which is concave inwards, and the culture container is placed on the third material-bearing groove (32411).

8. The reagent feeding mechanism according to claim 7, wherein the culture container comprises an incubator (3244), and a plurality of concave culture deep holes are arranged on a box body (32442) of the incubator (3244); the box body (32442) is placed in the third material receiving groove (32411).

9. The reagent feeding mechanism of claim 8, wherein a third stopper (3243) and a top block (3247) are mounted on opposite sides of the third material-receiving groove (32411);

the outer side of the box body (32442) extends outwards to form an extending skirt (32443), the extending skirt (32443) extends into the third material receiving groove (32411), and the top block (3247) comprises an elastically telescopic limiting ball head (321471);

pushing the extending skirt edge (32443) by the limiting ball head (321471) enables the box body (32442) to be pressed on the third limiting block (3243), so that the incubator (3244) is fixed on the third carrier (324).

10. The reagent feeding mechanism of claim 1, wherein at least three sample carriers are sequentially arranged on the drawing part (321) along the drawing direction thereof, and the sample inlets of the culture containers on at least three carriers are all arranged on the same horizontal plane.