CN220533442U - PCR (polymerase chain reaction) hot cover replacement device - Google Patents
PCR (polymerase chain reaction) hot cover replacement device Download PDFInfo
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- CN220533442U CN220533442U CN202322207972.5U CN202322207972U CN220533442U CN 220533442 U CN220533442 U CN 220533442U CN 202322207972 U CN202322207972 U CN 202322207972U CN 220533442 U CN220533442 U CN 220533442U
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- 238000003752 polymerase chain reaction Methods 0.000 title description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 81
- 230000001360 synchronised effect Effects 0.000 claims abstract description 59
- 238000009434 installation Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
A PCR thermal cover replacement apparatus comprising: the middle lens support plate is provided with square holes; the driving motor is arranged on the middle lens supporting plate; the motor synchronous wheel is positioned above the middle lens supporting plate and is connected with the driving motor; the bearing seat is arranged on the upper end surface of the middle lens supporting plate; the transmission rod passes through the bearing seat, and the lower end of the transmission rod is used for being rotationally connected with the heat cover and driving the heat cover to linearly move relative to the transmission rod along the axial direction of the transmission rod; the rod synchronizing wheel is positioned above the middle lens supporting plate and is connected with the upper end of the transmission rod; and the synchronous transmission piece bypasses the motor synchronous wheel and the rod synchronous wheel and drives the motor synchronous wheel and the rod synchronous wheel to synchronously rotate, and the rotation direction of the rod synchronous wheel is the same as that of the motor synchronous wheel. The heat cover replacing device designed by the utility model has stable structural connection and stable transmission, can realize automatic replacement of the heat cover, and is simple in installation and replacement, convenient to operate and high in practicability.
Description
Technical Field
The utility model relates to a replacement device, in particular to a PCR (polymerase chain reaction) hot cover replacement device.
Background
Most of the existing PCR instruments are equipped with a thermal cover, and three types of thermal cover replacement methods are generally used at present: the first is an automatic clamping jaw replacing mode, the second is a manual inserting and pulling replacing mode, and the third is a fixed non-replacing mode.
Wherein, the first clamping jaw replacement mode is unstable in structure and easy to fall off in the transportation process. The second type needs manual operation, and the operation is complicated, and the change inefficiency. The third mode needs to be disassembled and replaced when the heat cover is damaged, and has long replacement time, difficult replacement and higher cost.
Accordingly, the applicant devised a PCR thermal cap replacement device to solve the above-mentioned problems.
It should be noted that the foregoing description of the background art is only for the purpose of providing a clear and complete description of the technical solution of the present utility model and is presented for the convenience of understanding by those skilled in the art. The above-described solutions are not considered to be known to the person skilled in the art simply because they are set forth in the background of the utility model section.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide a PCR hot cover replacement device.
To achieve the above and other related objects, the present utility model provides the following technical solutions: a PCR thermal cover replacement apparatus, the apparatus comprising:
the middle lens support plate is provided with square holes;
the driving motor is arranged on the middle lens supporting plate;
the motor synchronous wheel is positioned above the middle lens supporting plate and connected with the driving motor;
the bearing seat is arranged on the upper end surface of the middle lens supporting plate;
the transmission rod passes through the bearing seat, and the lower end of the transmission rod is used for being rotationally connected with the heat cover and driving the heat cover to linearly move relative to the transmission rod along the axial direction of the transmission rod;
the rod synchronizing wheel is positioned above the middle lens supporting plate and is connected with the upper end of the transmission rod;
and the synchronous transmission piece bypasses the motor synchronous wheel and the rod synchronous wheel and drives the motor synchronous wheel and the rod synchronous wheel to synchronously rotate, and the rotation direction of the rod synchronous wheel is the same as that of the motor synchronous wheel.
In this scheme, drive motor synchronizing wheel through driving motor and rotate, realize the transmission between motor synchronizing wheel and the pole synchronizing wheel through synchronous driving piece, the rethread pole synchronizing wheel drives the transfer line and rotates, and the transfer line drives the hot lid up-and-down motion, accomplishes the installation and the dismantlement of hot lid, and transmission structure is stable, and degree of automation is high, installs and changes simply, convenient operation.
Further, the two bearing seats are respectively a first bearing seat and a second bearing seat, and the first bearing seat and the second bearing seat are respectively positioned at two sides of the square hole; a corresponding first transmission rod is arranged in the first bearing seat, and a first rod synchronizing wheel is arranged on the first transmission rod; the second bearing is internally provided with a corresponding second transmission rod, and a second rod synchronizing wheel is arranged on the second transmission rod.
In this scheme, set up two bearing frames to set up the transfer line respectively in the bearing frame, set up the pole synchronizing wheel respectively on the transfer line, drive two pole synchronizing wheels simultaneously through the motor synchronizing wheel, can realize that two transfer lines drive the hot up-and-down motion of lid simultaneously, the motion is more stable, difficult slope.
Further, the first lever synchronizing wheel and the second lever synchronizing wheel are symmetrically arranged with respect to the motor synchronizing wheel.
In this scheme, set up first pole synchronizing wheel and second pole synchronizing wheel into about motor synchronizing wheel symmetry for when motor synchronizing wheel passes through synchronous driving medium drive first pole synchronizing wheel and second pole synchronizing wheel, both atress are even, guarantee that transmission structure is more stable.
Further, the up end of middle lens backup pad is provided with two auxiliary wheel mount pad, all be provided with the direction auxiliary wheel on the auxiliary wheel mount pad, synchronous transmission spare is walked around two in proper order the setting of direction auxiliary wheel.
In this scheme, set up the direction auxiliary wheel at the up end of middle lens backup pad, can play the effect of adjusting synchronous driving medium elasticity, also can realize the effect of transmission direction adjustment, the arrangement of other synchronizing wheels in the middle lens backup pad positions of being convenient for.
Further, the motor synchronizing wheel, the guide auxiliary wheel and the rod synchronizing wheel are all arranged on the same horizontal plane.
In this scheme, set up motor synchronizing wheel, direction auxiliary wheel, pole synchronizing wheel with the horizontal plane, can make synchronous driving medium when carrying their rotation with the horizontal plane, the transmission is more stable.
Further, the rear of the middle lens supporting plate is provided with a mounting end, the mounting end is provided with a mounting hole, the driving motor is arranged below the mounting end, and an output shaft of the driving motor penetrates through the mounting hole and is connected with the motor synchronous wheel.
In this scheme, with driving motor direct setting in the middle lens backup pad, the structure is more stable, passes the middle lens backup pad with driving motor's output shaft again and links to each other with the motor synchronizing wheel, is convenient for installation and transmission.
Further, a pin hole is formed in the upper end of the transmission rod, and the pin hole is located above the rod synchronizing wheel.
In this scheme, set up the pinhole in the upper end of transfer line, can cooperate the bolt to carry out spacingly to the pole synchronizing wheel for the pole synchronizing wheel installation is more stable, thereby makes the transmission more stable.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following beneficial effects:
the heat cover replacing device designed by the utility model has stable structural connection and stable transmission, can realize automatic replacement of the heat cover, is simple to install and replace, is convenient to operate, has strong practicability and is suitable for popularization.
Drawings
FIG. 1 is a schematic view of the whole structure of a heat cover exchanging device of the present utility model;
FIG. 2 is a schematic diagram showing the whole structure of the heat cover replacing device according to the present utility model;
FIG. 3 is a schematic diagram of the assembly of the transmission rod, the rod synchronizing wheel and the bearing block of the present utility model;
in the drawings, 1, a driving motor; 2. a motor synchronizing wheel; 3. a synchronous transmission member; 4. a guide auxiliary wheel; 5. a lever synchronizing wheel; 501. a first lever synchronizing wheel; 502. a second lever synchronizing wheel; 6. an auxiliary wheel mounting seat; 7. a bearing seat; 701. a first bearing seat; 702. a second bearing seat; 8. a transmission rod; 801. a first transmission rod; 802. a second transmission rod; 9. a thermal cover; 10. an intermediate lens support plate; 11. square holes; 12. pin holes.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
It should be noted that, in the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. The terms "horizontal," "vertical," "overhang," and the like do not denote that the component is required to be absolutely horizontal or overhang, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or communicating between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the description of the present application, it should be understood that, where azimuth terms such as "front, rear, upper, lower, left, right", "transverse, vertical, horizontal", and "top, bottom", etc., indicate azimuth or positional relationships generally based on those shown in the drawings, only for convenience of description and simplification of the description, these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Embodiment one: referring to fig. 1 and 2, the present embodiment provides a PCR thermal cap replacement apparatus, which includes:
a middle lens support plate 10, wherein a square hole 11 is formed in the middle lens support plate 10, and the square hole 11 is positioned in the middle of the middle lens support plate 10;
a driving motor 1, the driving motor 1 being disposed on the intermediate lens support plate 10;
the motor synchronous wheel 2 is positioned above the middle lens supporting plate 10 and is connected with the driving motor 1;
a bearing housing 7, the bearing housing 7 being provided on an upper end surface of the intermediate lens support plate 10;
the transmission rod 8 passes through the bearing seat 7, and the lower end of the transmission rod 8 is used for being rotationally connected with the heat cover 9 and driving the heat cover 9 to linearly move relative to the transmission rod 8 along the axial direction of the transmission rod 8;
the rod synchronizing wheel 5 is positioned above the middle lens supporting plate 10 and is connected with the upper end of the transmission rod 8;
the synchronous transmission part 3 bypasses the motor synchronous wheel 2 and the rod synchronous wheel and drives the motor synchronous wheel 2 and the rod synchronous wheel to synchronously rotate, and the rotation direction of the rod synchronous wheel 5 is the same as that of the motor synchronous wheel 2.
The synchronous transmission member 3 may be a synchronous belt or a chain, but is not limited to a synchronous belt or a chain, and in the specific implementation, other suitable transmission members may be selected according to actual needs, so as to achieve corresponding functions. When the synchronous transmission part 3 is a synchronous belt, the motor synchronous wheel 2 and the rod synchronous wheel 5 are corresponding transmission idler wheels; when the synchronous transmission member 3 is a chain, the motor synchronous wheel 2 and the rod synchronous wheel 5 are corresponding transmission gears.
The transmission rod 8 is a ball screw, but is not limited to a ball screw, and in the specific implementation, other suitable transmission members can be selected according to actual needs, so that corresponding functions can be realized.
Principle of: starting the driving motor 1, driving the motor 1 to drive the motor synchronizing wheel 2 to rotate, driving the lever synchronizing wheel 5 to rotate together by the motor synchronizing wheel 2 through the synchronizing transmission piece 3, driving the lever synchronizing wheel 5 to rotate in the bearing seat 7 with the transmission rod 8, and enabling the thermal cover 9 below the middle lens supporting plate 10 to move up and down along with the rotation of the transmission rod 8, enabling the thermal cover 9 to move up to the lower end of the middle lens supporting plate 10 and be tightly connected with the middle lens supporting plate 10, enabling the thermal cover 9 to be automatically installed, enabling the thermal cover 9 to move down away from the middle lens supporting plate 10 until the thermal cover 9 is separated from the transmission rod 8, and enabling replacement of the thermal cover 9 to be achieved.
In this embodiment, drive motor 1 drives motor synchronizing wheel 2 and rotates, realizes the transmission between motor synchronizing wheel 2 and the pole synchronizing wheel 5 through synchronous driving piece 3, and rethread pole synchronizing wheel 5 drives transfer line 8 and rotates, and transfer line 8 drives the up-and-down motion of hot lid 9, accomplishes the installation and the dismantlement of hot lid 9, and transmission structure is stable, and degree of automation is high, installs and changes simply, convenient operation.
Embodiment two: referring to fig. 1, the bearing seats 7 are provided with two first bearing seats 701 and second bearing seats 702, and the first bearing seats 701 and the second bearing seats 702 are respectively positioned at two sides of the square hole 11; a corresponding first transmission rod 801 is arranged in the first bearing seat 701, and a first rod synchronizing wheel 501 is arranged on the first transmission rod 801; a corresponding second transmission rod 802 is arranged in the second bearing seat 702, and a second rod synchronizing wheel 502 is arranged on the second transmission rod 802.
In this embodiment, set up two bearing frames 7 to set up transfer line 8 in bearing frame 7 respectively, set up pole synchronizing wheel 5 respectively on transfer line 8, drive two pole synchronizing wheel 5 simultaneously through motor synchronizing wheel 2, can realize that two transfer lines 8 drive hot lid 9 up-and-down motion simultaneously, the motion is more stable, difficult slope.
Embodiment III: referring to fig. 1, a first lever synchronizing wheel 501 and a second lever synchronizing wheel 502 are symmetrically disposed with respect to a motor synchronizing wheel 2.
In this embodiment, the first rod synchronizing wheel 501 and the second rod synchronizing wheel 502 are set to be symmetrical with respect to the motor synchronizing wheel 2, so that when the motor synchronizing wheel 2 drives the first rod synchronizing wheel 501 and the second rod synchronizing wheel 502 through the synchronous transmission member 3, the two are stressed uniformly, and the transmission structure is ensured to be more stable.
Embodiment four: referring to fig. 1, the upper end surface of the intermediate lens support plate 10 is provided with two auxiliary wheel mounting seats 6, the auxiliary wheel mounting seats 6 are provided with guide auxiliary wheels 4, and the synchronous transmission member 3 is sequentially arranged around the two guide auxiliary wheels 4.
Wherein, synchronous driving medium 3 walks around the homonymy of two direction auxiliary wheels 4 in proper order, and the rotation direction of two direction auxiliary wheels 4 is unanimous.
Wherein, when the two guiding auxiliary wheels 4 are positioned at the rear of the rod synchronizing wheel 5 (at the rear side of the square hole 11), the rotation direction of the rod synchronizing wheel 5 is opposite to the rotation direction of the guiding auxiliary wheels 4; when the two guide auxiliary wheels 4 are located in front of the lever synchronizing wheel 5 (on the front side of the square hole 11), the rotation direction of the lever synchronizing wheel 5 is the same as the rotation direction of the guide auxiliary wheels 4.
In this embodiment, the guiding auxiliary wheel 4 is disposed on the upper end surface of the intermediate lens support plate 10, which can play a role in adjusting tightness of the synchronous transmission member 3, and can also realize a role in adjusting transmission direction, so that other synchronous wheels can be conveniently arranged at positions on the intermediate lens support plate 10.
Fifth embodiment: referring to fig. 1, the motor synchronizing wheel 2, the guide auxiliary wheel 4 and the rod synchronizing wheel 5 are all arranged on the same horizontal plane.
In this embodiment, the motor synchronizing wheel 2, the guiding auxiliary wheel 4 and the rod synchronizing wheel are arranged on the same horizontal plane, so that the synchronous transmission member 3 can be more stable in transmission when rotating along with the horizontal plane.
Example six: referring to fig. 1, a mounting end is provided at the rear of the intermediate lens support plate 10, a mounting hole is provided at the mounting end, a driving motor 1 is provided below the mounting end, and an output shaft of the driving motor 1 passes through the mounting hole to be connected with a motor synchronizing wheel 2.
In this embodiment, the driving motor 1 is directly arranged on the intermediate lens supporting plate 10, so that the structure is more stable, and the output shaft of the driving motor 1 passes through the intermediate lens supporting plate 10 to be connected with the motor synchronous wheel 2, thereby facilitating installation and transmission.
Embodiment seven: referring to fig. 3, a pin hole 12 is formed in the upper end of the transmission rod 8, and the pin hole 12 is located above the rod synchronizing wheel.
Wherein, the pin hole 12 is arranged on a plane, and when the pin hole 12 is arranged at the upper end of the transmission rod 8, a plane is cut first, and then the pin hole 12 is arranged.
In this embodiment, the pin hole 12 is formed at the upper end of the transmission rod 8, and the pin can be matched to limit the rod synchronizing wheel, so that the rod synchronizing wheel 5 is more stably installed, and the transmission is more stable.
The heat cover replacing device designed by the utility model has stable structural connection and stable transmission, can realize automatic replacement of the heat cover, is simple to install and replace, is convenient to operate, has strong practicability and is suitable for popularization.
The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. A PCR thermal cover replacement apparatus, comprising:
a middle lens supporting plate (10), wherein square holes (11) are formed in the middle lens supporting plate (10);
a drive motor (1), the drive motor (1) being arranged on the intermediate lens support plate (10);
the motor synchronous wheel (2) is positioned above the middle lens supporting plate (10) and is connected with the driving motor (1);
the bearing seat (7) is arranged on the upper end surface of the middle lens supporting plate (10);
the transmission rod (8) passes through the bearing seat (7), and the lower end of the transmission rod (8) is used for being rotationally connected with the heat cover (9) and driving the heat cover (9) to linearly move relative to the transmission rod (8) along the axial direction of the transmission rod (8);
the rod synchronizing wheel (5) is positioned above the middle lens supporting plate (10) and is connected with the upper end of the transmission rod (8);
and the synchronous transmission piece (3) bypasses the motor synchronous wheel (2) and the rod synchronous wheel and drives the motor synchronous wheel and the rod synchronous wheel to synchronously rotate, and the rotation direction of the rod synchronous wheel (5) is the same as that of the motor synchronous wheel (2).
2. The PCR hot cap replacement apparatus as claimed in claim 1, wherein: the two bearing seats (7) are respectively a first bearing seat (701) and a second bearing seat (702), and the first bearing seat (701) and the second bearing seat (702) are respectively positioned at two sides of the square hole (11); a corresponding first transmission rod (801) is arranged in the first bearing seat (701), and a first rod synchronizing wheel (501) is arranged on the first transmission rod (801); a corresponding second transmission rod (802) is arranged in the second bearing (702), and a second rod synchronizing wheel (502) is arranged on the second transmission rod (802).
3. The PCR hot cap exchange device according to claim 2, wherein: the first lever synchronizing wheel (501) and the second lever synchronizing wheel (502) are symmetrically arranged with respect to the motor synchronizing wheel (2).
4. A PCR thermal cap exchange device according to claim 3, wherein: the upper end face of the middle lens supporting plate (10) is provided with two auxiliary wheel mounting seats (6), the auxiliary wheel mounting seats (6) are respectively provided with a guide auxiliary wheel (4), and the synchronous transmission part (3) sequentially bypasses two guide auxiliary wheels (4).
5. The PCR hot cap replacement apparatus as claimed in claim 4, wherein: the motor synchronizing wheel (2), the guide auxiliary wheel (4) and the rod synchronizing wheel (5) are all arranged on the same horizontal plane.
6. The PCR hot cap replacement apparatus as claimed in claim 1, wherein: the rear of the middle lens supporting plate (10) is provided with a mounting end, the mounting end is provided with a mounting hole, the driving motor (1) is arranged below the mounting end, and an output shaft of the driving motor (1) penetrates through the mounting hole and is connected with the motor synchronous wheel (2).
7. The PCR hot cap replacement apparatus as claimed in claim 1, wherein: the upper end of the transmission rod (8) is provided with a pin hole (12), and the pin hole (12) is positioned above the rod synchronizing wheel (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322207972.5U CN220533442U (en) | 2023-08-16 | 2023-08-16 | PCR (polymerase chain reaction) hot cover replacement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322207972.5U CN220533442U (en) | 2023-08-16 | 2023-08-16 | PCR (polymerase chain reaction) hot cover replacement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220533442U true CN220533442U (en) | 2024-02-27 |
Family
ID=89962850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322207972.5U Active CN220533442U (en) | 2023-08-16 | 2023-08-16 | PCR (polymerase chain reaction) hot cover replacement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220533442U (en) |
-
2023
- 2023-08-16 CN CN202322207972.5U patent/CN220533442U/en active Active
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