CN216639501U

CN216639501U - Automatic hot lid device and nucleic acid amplification appearance that open and shut

Info

Publication number: CN216639501U
Application number: CN202123007223.5U
Authority: CN
Inventors: 秦荣
Original assignee: Shanghai Hongshi Medical Technology Co ltd
Current assignee: Shanghai Hongshi Medical Technology Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-05-31
Anticipated expiration: 2031-12-01

Abstract

The application discloses automatic hot lid device and nucleic acid amplification appearance that opens and shuts includes: driving motor, at least one set of transmission structure and heat box, driving motor passes through transmission structure with heat box connects, wherein, transmission structure includes: the first connecting rod is connected with the driving motor, and the third connecting rod is connected with the heat box. The nucleic acid amplification instrument comprises the automatic opening and closing thermal cover device. In this application, driving motor drives the motion of first connecting rod, and the second connecting rod is with power transmission to third connecting rod, and the third connecting rod drives the heat box again and moves to realize the automatic of hot lid device and open and shut. The whole hot cover device is simple and stable in structure, convenient and fast to operate and capable of responding quickly.

Description

Automatic hot lid device and nucleic acid amplification appearance that open and shut

Technical Field

The application belongs to the technical field of nucleic acid amplification instruments, and particularly relates to an automatic opening and closing hot cover device and a nucleic acid amplification instrument.

Background

Nucleic acid amplification instruments are basic instruments for polymerase reactions in the biomedical field, which require a temperature stable and adjustable environment. In the prior art, most of nucleic acid amplification instruments adopt a manual uncovering mode; a few of nucleic acid amplification instruments capable of automatically opening the cover are generally limited by the opening and closing amplitude, or have the problems of complex structure, slow response speed, difficult operation, higher cost and the like. The above limitations affect the handling of the sample and the effect of nucleic acid amplification.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings or drawbacks of the prior art, the present application provides an automatic opening and closing thermal cover device and a nucleic acid amplification instrument.

In order to solve the technical problem, the application is realized by the following technical scheme:

this application has provided the hot lid device that opens and shuts automatically on the one hand, includes: driving motor, at least one set of transmission structure and heat box, driving motor passes through transmission structure with heat box connects, wherein, transmission structure includes: the first connecting rod is connected with the driving motor, and the third connecting rod is connected with the heat box.

Further, in the above automatic opening and closing hot lid device, the second connecting rod is further connected to a supporting rod.

Further, the above-mentioned automatic opening and closing thermal cover device, wherein the thermal box comprises: apron, casing, link, heating member and heat box body, the apron with the connection can be dismantled to the casing, the link with the interior wall connection of casing, the heating member with the heat box body sets up that contacts, the heating member with the heat box body set up in the casing, the link with the third connecting rod is connected.

Further, the above-mentioned automatic opening and closing hot lid device, wherein the connection frame includes: pivot and linking frame, the pivot set up in on the side of linking frame, the pivot with the third connecting rod is connected.

Further, in the above automatic opening and closing hot lid device, at least one heat insulation block is disposed between the connecting frame and the heating member.

Further, in the above automatic opening and closing hot lid device, a flexible pad is provided in the hot box body.

Further, in the above automatic opening and closing hot lid device, a buckle is arranged on the circumferential direction of the lid plate, and a concave portion correspondingly connected with the buckle is arranged on the inner wall of the housing.

Further, in the above automatic opening and closing thermal cover device, at least one side wall of the housing is an open structure.

The application also provides a nucleic acid amplification instrument, which comprises the automatic opening and closing thermal cover device.

Further, the nucleic acid amplification apparatus described above further includes: the nucleic acid amplification instrument body is connected with the hot cover device through a fixing piece, and the fixing piece is connected with the hot box and the third connecting rod.

Compared with the prior art, the method has the following technical effects:

in this application, driving motor passes through the transmission structure and is connected with hot box, and three connecting rod in the transmission structure connects gradually, and first connecting rod is connected with driving motor, and the third connecting rod is connected with hot box, and driving motor drives first connecting rod motion, and the second connecting rod is power transmission to the third connecting rod, and the third connecting rod drives hot box again and moves to realize the automation of hot lid device and open and shut. The whole hot cover device is simple and stable in structure, convenient and fast to operate and capable of responding quickly.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1: a schematic structural diagram of a thermal cover apparatus according to an embodiment of the present application;

FIG. 2: a top view of the structure shown in FIG. 1;

FIG. 3: a schematic view of a thermal lid apparatus closure according to an embodiment of the present application;

FIG. 4: a schematic view of an embodiment of the present application showing the opening of a thermal cover device;

FIG. 5: a schematic view of an embodiment of the present application showing the opening of a thermal cover device;

FIG. 6: an exploded view of a thermal box according to an embodiment of the present application;

FIG. 7: the structure of the heat box in one embodiment of the application is schematically shown;

FIG. 8: in an embodiment of the present application, a structural schematic diagram of a housing;

FIG. 9: a schematic view of a thermal lid apparatus closure according to an embodiment of the present application;

FIG. 10: a schematic view of an embodiment of the present application showing the opening of a thermal cover device;

in the figure: first fixed connection point A, first rotation connection point B, second rotation connection point C, second fixed connection point D, driving motor 1, transmission structure 2, heat box 3, motor shaft 4, first connecting rod 5, second connecting rod 6, bracing piece 60, link 601, free end 602, third connecting rod 7, apron 8, buckle 81, heat insulating block 9, heating member 10, heat box body 11, flexible pad 12, casing 13, concave part 131, link 14, linking frame 141, pivot 142, heat lid mount 15 and motor fixed plate 16.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the 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 application.

As shown in fig. 1 and 2, in one embodiment of the present application, an automatic lid-turning hot lid device includes: driving motor 1, at least one set of transmission structure 2 and heat box 3, driving motor 1 through transmission structure 2 with heat box 3 is connected, wherein, transmission structure 2 includes: at least three connecting rods, first connecting rod 5, second connecting rod 6 and third connecting rod 7 connect gradually, first connecting rod 5 with driving motor 1 is connected, third connecting rod 7 with heat box 3 is connected.

In this embodiment, the driving motor 1 is connected to the heat box 3 through the transmission structure 2, and the number of the transmission structures 2 is set as one set for illustration, and a person skilled in the art has a motivation to adaptively increase the number of the transmission structures, for example, two sets of transmission structures 2 are provided, and the two sets of transmission structures 2 respectively connect the corresponding two sides of the driving motor 1 and the heat box 3. The number of the connecting rods of the transmission structure 2 is set to three for illustration, and the skilled person is motivated to increase and decrease the number of the connecting rods adaptively. Specifically, a first connecting rod 5, a second connecting rod 6 and a third connecting rod 7 are sequentially connected, the first connecting rod 5 is connected with a driving motor 1, the third connecting rod 7 is connected with a hot box 3, the driving motor 1 drives the first connecting rod 5 to move, the second connecting rod 6 transmits power to the third connecting rod 7, and the third connecting rod 7 drives the hot box 3 to move, so that the hot cover device is automatically opened and closed. The whole hot cover device is simple and stable in structure, convenient and fast to operate and capable of responding quickly.

Specifically, the first connecting rod 5 is fixedly connected with the motor shaft 4 of the driving motor 1, and the connection point of the first connecting rod 5 and the second connecting rod 6 is a first fixed connection point a, the connection point of the first connecting rod 5 and the second connecting rod 6 is a first rotating connection point B, the connection point of the second connecting rod 6 and the third connecting rod 7 is a second rotating connection point C, and the connection point of the third connecting rod 7 and the heat box 3 is a second fixed connection point D. As shown in fig. 3, when the thermal cover device is fully closed, the first link 5 and the second link 6 are at an angle of 0 °. As shown in fig. 4, when the hot lid apparatus is fully opened, the first link 5 and the second link 6 are at an angle of 180 °.

When the hot lid device need be opened, motor shaft 4 anticlockwise rotation of driving motor 1, drive first connecting rod 5 anticlockwise rotation, as shown in fig. 4, the position of first fixed connection point A and second fixed connection point D remains unchanged, first rotation connection point B uses the length of first connecting rod 5 as the radius and carries out anticlockwise circumferential direction, second rotation connection point C uses the length of third connecting rod 7 as the radius and carries out anticlockwise circumferential direction, and third connecting rod 7 is fixed connection with hot box 3, through the aforesaid setting, hot box 3 also carries out anticlockwise circumferential direction, thereby realize opening of hot lid device.

When hot lid device need be closed, motor shaft 4 clockwise rotation of driving motor 1, drive first connecting rod 5 clockwise rotation, as shown in fig. 3, the position of first fixed connection point A and second fixed connection point D remains unchanged, first rotation connection point B uses the length of first connecting rod 5 as the radius and carries out clockwise circumferential direction, second rotation connection point C uses the length of third connecting rod 7 as the radius and carries out clockwise circumferential direction, and third connecting rod 7 is fixed connection with hot box 3, through the aforesaid setting, hot box 3 also carries out clockwise circumferential direction, thereby realize the closure of hot lid device.

Based on the opening and closing mode of the thermal cover device, a person skilled in the art has an opportunity to utilize the motor shaft 4 of the driving motor 1 to rotate clockwise so as to realize the opening of the thermal cover device; the closing of the hot cover device is realized by the counterclockwise rotation of the motor shaft 4 of the driving motor 1. Alternatively, the opening and closing of the thermal cover device is achieved by rotating the motor shaft 4 of the driving motor 1 counterclockwise/clockwise by one circumference. Or the lengths of the first connecting rod 5, the second connecting rod 6 and the third connecting rod 7 are adjusted to realize that the opening or closing of the hot cover device can be realized by rotating the motor shaft 4 in the circumferential direction in different amplitudes.

Optionally, as shown in fig. 5, a support rod 60 is further connected to the second link 6.

In another embodiment of the present application, the second link 6 is further connected to a support rod 60, the connecting end 601 of the support rod 60 is connected to the second link 6, the support rod 60 forms an included angle with the second link 6, and the free end 602 of the support rod 60 can abut against the third link 7, at this time, the second link 6, the support rod 60 and the third link 7 form a triangle, and the included angle between the support rod 60 and the second link 6 is compressed to ensure the stability of the heat cover device in the open state.

Specifically, as shown in fig. 6 and 7, the heat box 3 includes: apron 8, casing 13, link 14, heating member 10 and heat box body 11, apron 8 with the connection can be dismantled to casing 13, link 14 with the interior wall connection of casing 13, heating member 10 with heat box body 11 contacts the setting, heating member 10 with heat box body 11 set up in the casing 13, link 14 with third connecting rod 7 is connected.

Specifically, the cover plate 8 is circumferentially provided with a buckle 81, and the inner wall of the housing 13 is provided with a concave portion 131 correspondingly connected with the buckle 81, so that the cover plate 8 and the housing 13 can be detachably connected.

In this embodiment, the connecting frame 14 and the inner wall of the housing 13 may be fastened, welded, or glued.

Alternatively, the heating member 10 includes, but is not limited to, a heating film structure having a heating function for heating the cartridge body 11 and maintaining the thermal cover device at a constant temperature to provide a suitable temperature environment for the nucleic acid amplification reaction.

Specifically, the connection frame 14 includes: the rotating shaft 142 is disposed on a side of the connecting frame 141, and the rotating shaft 142 is connected to the third link 7.

In this embodiment, the rotating shaft 142 is disposed at one side of the connecting frame 141 and integrally disposed, so as to enhance the connecting strength of the structure and facilitate industrial mass production.

Optionally, the cover plate 8 is disposed to cover the rotating shaft 142, so that the cover plate 8 can interfere with the counterclockwise rotation of the heat box 3. Of course, the cover plate 8 can be partially covered on the rotating shaft 142 by those skilled in the art.

In particular, at least one insulating block 9 is arranged between the connecting frame 14 and the heating element 10.

In the present embodiment, the number of the heat insulating blocks 9 is two for example, and those skilled in the art will be motivated to increase or decrease the number adaptively. Two heat insulation blocks 9 are symmetrically arranged between the connecting frame 14 and the heating element 10, so that the thermal connection between the heating element 10 and other components except the heat box body 11 is blocked, the heat box 3 and the transmission structure 2 are prevented from being overheated, and the service life of the heat cover device is prolonged.

Specifically, the bottom of heat box body 11 is sunken, is equipped with flexible pad 12 in sunken cavity, and this flexible pad 12 can make the reaction test tube pressurized even with heat box 3 contact when hot lid device closure compresses tightly.

Specifically, as shown in fig. 8, at least one side wall of the housing 13 has an open structure.

In the present embodiment, one side wall of the housing 13 is provided with an open structure for illustration, and those skilled in the art have an incentive to provide the side wall of the housing 13 with no open structure or provide the side wall of the housing 13 with a more open structure. Specifically, one side wall of the housing 13 is configured to be an open structure to facilitate component access and arrangement inside the housing 13.

Specifically, the bottom of the housing 13 is hollowed out.

The heat box 3 of the embodiment does not need to be provided with an additional connecting structure to connect the components inside the shell 13, and has a simple and stable overall structure and is easy to assemble.

The application also provides a nucleic acid amplification instrument, which comprises the automatic opening and closing hot cover device.

The automatic opening and closing thermal cover device is described above, and will not be described in detail here.

The nucleic acid amplification apparatus of the present embodiment further includes: the nucleic acid amplification instrument body is connected with the hot cover device through a fixing piece, and the fixing piece is connected with the hot box 3 and the third connecting rod 7.

Including but not limited to a thermal cap mount 15 and/or a motor mount plate 16.

In the present embodiment, the thermal cover fixing frame 15 is rotatably connected to the rotating shaft 142 and the third connecting rod 7, and the thermal cover fixing frame 15 is fixedly connected to the driving motor 1 through the motor fixing plate 16 disposed at the end of the driving motor 1. In this embodiment, the thermal cover fixing frame 15 and the motor fixing plate 16 are used to fixedly connect the nucleic acid amplification instrument body and the thermal cover device, but those skilled in the art may also use only the thermal cover fixing frame 15 or the motor fixing plate 16 to fixedly connect the nucleic acid amplification instrument body and the thermal cover device.

Those skilled in the art can also set the thermal cap fixing frame 15 to be inclined with respect to the horizontal plane, so that a space for the rotation allowance of the cover plate 8 is formed between the fixing frame 15 and the motor fixing plate 16, and the length of the connecting rod is changed, so that the thermal box 3 of the present embodiment can be opened to a greater extent than the technical solution in which the thermal cap fixing frame 15 is vertically set with respect to the horizontal plane, as shown in fig. 9 and 10.

In this application, driving motor 1 is connected with hot box 3 through transmission structure 2, and three connecting rod in the transmission structure 2 connects gradually, and first connecting rod 5 is connected with driving motor 1, and third connecting rod 7 is connected with hot box 3, and driving motor 1 drives first connecting rod 5 motion, and second connecting rod 6 is power transmission to third connecting rod 7, and third connecting rod 7 drives hot box 3 again and moves to realize the automation of hot lid device and open and shut. The whole hot cover device is simple and stable in structure, convenient to operate and capable of responding quickly.

In the description of the present application, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.

The above embodiments are merely to illustrate the technical solutions of the present application and are not limitative, and the present application is described in detail with reference to preferred embodiments. It should be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the true spirit and scope of the claims which follow.

Claims

1. An automatic opening and closing hot lid device, comprising: driving motor, at least one set of transmission structure and heat box, driving motor passes through transmission structure with heat box connects, wherein, transmission structure includes: the first connecting rod is connected with the driving motor, and the third connecting rod is connected with the heat box.

2. The automatic opening and closing hot lid device according to claim 1, wherein a support rod is further connected to the second connecting rod.

3. The automatic opening and closing thermal cover device according to claim 1 or 2, wherein the thermal box comprises: apron, casing, link, heating member and heat box body, the apron with the connection can be dismantled to the casing, the link with the interior wall connection of casing, the heating member with the heat box body sets up that contacts, the heating member with the heat box body set up in the casing, the link with the third connecting rod is connected.

4. The auto-opening and closing hot lid device according to claim 3, wherein the connection frame comprises: pivot and linking frame, the pivot set up in on the side of linking frame, the pivot with the third connecting rod is connected.

5. The auto-opening hot lid device according to claim 4, wherein at least one heat insulating block is provided between the connecting frame and the heating member.

6. The automatically opening and closing hot lid device as claimed in claim 4, wherein a flexible pad is provided in the hot box body.

7. The automatic opening and closing hot lid device according to claim 4, wherein the cover plate is provided with a buckle on the circumference, and the inner wall of the housing is provided with a concave portion correspondingly connected with the buckle.

8. The automatically opening and closing thermal cover device according to claim 4, wherein at least one side wall of said housing is an open structure.

9. A nucleic acid amplification apparatus comprising the automatically opening and closing thermal cover device according to any one of claims 1 to 8.

10. The nucleic acid amplification apparatus of claim 9, further comprising: the nucleic acid amplification instrument body is connected with the hot cover device through a fixing piece, and the fixing piece is connected with the hot box and the third connecting rod.