CN211445744U

CN211445744U - A thermostated container for PCR augmentor

Info

Publication number: CN211445744U
Application number: CN201921643515.8U
Authority: CN
Inventors: 刘瑛; 刘博洋; 陈艳琦; 傅亮
Original assignee: Shanxi Shining High Tech Medical Testing Center Co ltd
Current assignee: Shanxi Shining High Tech Medical Testing Center Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-09-08
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses a thermostated container for PCR augmentor, the power distribution box comprises a box body, the inside fixed mounting of box has the heating resistor silk, and the packing all around of heating resistor silk has epoxy, epoxy sets up in the inside of box, and the both sides outer wall position of box fixed mounting respectively has cotton board of bubble and heat-conducting plate, the fixed surface of box installs the shell, and the cotton board of bubble fills between shell and box, the antetheca bottom intermediate position vertical welding of shell has the line concentration pipe, and the horizontal fixed mounting of the front surface bottom intermediate position of box has two sets of terminals, the lower surface of shell all has welded the bottom plate all around the edge position, and the lower surface level fixedly connected with two sets of springs of bottom plate. The utility model discloses in, the security height that the energy-conserving effect of thermostated container is excellent and used, can stabilize and fix the stability in order to strengthen work, simultaneously, the sample tray can be dismantled so that to the use of sample cell.

Description

A thermostated container for PCR augmentor

Technical Field

The utility model relates to an incubator field especially relates to an incubator for PCR augmentor.

Background

The PCR amplification instrument realizes the amplification of DNA based on polymerase chain reaction technology, the constant temperature box is unstable as the composition of the PCR amplification instrument, the constant temperature control provides the space for the denaturation, renaturation and extension conversion of genes, and the PCR amplification instrument is widely applied to medical and biological laboratories.

A liquid flow reaction constant temperature box for a PCR amplification instrument (publication number: CN 2697102Y) is characterized by comprising a constant temperature groove, a supporting column, a reaction tube and a heat insulation plate, wherein the supporting column is arranged at the center of the constant temperature reaction groove, and the reaction tube is uniformly wound on a heat insulation cylindrical surface of the supporting column in a spiral shape; the area around the supporting column in the thermostatic bath is divided into three thermostatic reaction areas with different temperatures by three heat insulating plates, and the positions of the heat insulating plates in the thermostatic bath, which correspond to the reaction tubes, are provided with grooves for the reaction tubes to pass through.

In the process of implementing the invention, at least the following problems in the prior art of the inventor are not solved: 1. the insulating property is poor, and the heat insulation and heat preservation performance is poor, so that the use safety of the constant temperature box is low, and the temperature regulation and control are inconvenient; 2. and fixed inconvenient and sample pipe fixed establishment between the PCR augmentor can not dismantle, has influenced the use of thermostated container, and the security that the energy-conserving effect of thermostated container is excellent and use in this application is high, can stabilize the stability of fixing with the reinforcing work, and simultaneously, the sample dish can be dismantled so that to the use of sample pipe.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing an incubator for a PCR amplification instrument.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a thermostat for a PCR amplification instrument comprises a box body, wherein a heating resistance wire is fixedly mounted in the box body, epoxy resin is filled around the heating resistance wire, the epoxy resin is arranged in the box body, foam boards and heat conducting plates are fixedly mounted on the outer walls of two sides of the box body respectively, a shell is fixedly mounted on the outer surface of the box body, the foam boards are filled between the shell and the box body, a wire collecting pipe is vertically welded at the middle position of the bottom of the front wall of the shell, two groups of wiring terminals are horizontally and fixedly mounted at the middle position of the bottom of the front surface of the box body, a bottom plate is welded at the edge positions around the lower surface of the shell, two groups of springs are horizontally and fixedly connected with the lower surface of the bottom plate, a rubber plate is fixedly connected between the lower end positions of the two groups of springs, and weight blocks are welded at the middle, and the load piece is kept away from one side outer wall position of box and has been seted up the draw-in groove, load piece has the pillar through draw-in groove movable mounting, four groups fixed mounting has the same set of sample dish between the upper end position of pillar, the upper surface of shell is provided with the apron, and the top intermediate position fixed mounting of apron has the installation cover, the lower fixed surface of apron installs the sealing washer, and all has seted up the guide slot between the upper and lower surface edge position all around of sealing washer.

Preferably, the wiring terminals are arranged inside the wiring collecting pipe, two groups of the wiring terminals correspond to two ends of the heating resistance wires, and the heating resistance wires are provided with conducting wires through the wiring terminals.

Preferably, a spiral groove is formed between the front side and the rear side of the upper surface and the lower surface of the bottom plate, and the rubber plates are arranged below the bottom plate in parallel.

Preferably, the sample tray is transversely installed, and nine groups of fixing grooves are uniformly formed in the top of the sample tray.

Preferably, the sealing ring is made of rubber, and the lower surface of the sealing ring is in contact with the upper surface of the shell.

Preferably, convex columns are welded at the peripheral edge positions of the upper surface of the shell, and the guide grooves are correspondingly matched with the convex columns.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the epoxy resin is filled around the heating component, and is matched with the heat conducting plate while insulating, so that the heat is transferred to the amplification space, and the heat insulation is carried out under the action of the foam board, thereby avoiding the heat from being led out along the shell, further enhancing the energy-saving effect of the incubator and ensuring the use safety;

2. in the utility model, the fixing is realized by matching the clamping grooves on the supporting column and the loading block, so that the sample plate can be disassembled to facilitate the use of the sample tube, the bottom plate is used as a surrounding installation base body, and the spring and the rubber plate which are installed below the bottom plate can absorb shock through elastic deformation, thereby realizing the stable fixing of the constant temperature box and the PCR amplification instrument and enhancing the working stability of the constant temperature box;

to sum up, the oven is energy-conserving the security height that the effect is excellent and use, can stabilize and fix the stability in order to strengthen work, and simultaneously, the sample dish can be dismantled so that to the use of sample tube.

Drawings

FIG. 1 is a schematic view of the overall structure of an incubator for a PCR amplification apparatus according to the present invention;

FIG. 2 is a cross-sectional view of an incubator for a PCR amplification apparatus according to the present invention;

FIG. 3 is a partial top view of an incubator for a PCR amplification apparatus according to the present invention.

In the figure: the device comprises a box body 1, a heating resistance wire 2, epoxy resin 3, a foam board 4, a heat conducting plate 5, a shell 6, a collecting pipe 7, a binding post 8, a bottom plate 9, a spring 10, a rubber plate 11, a spiral groove 12, a convex column 13, a weight loading block 14, a clamping groove 15, a supporting column 16, a sample plate 17, a cover plate 18, an installation sleeve 19, a sealing ring 20 and a guide groove 21.

Detailed Description

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

Referring to fig. 1-3, a thermostat for a PCR amplification instrument comprises a box body 1, a heating resistance wire 2 is fixedly installed inside the box body 1, epoxy resin 3 is filled around the heating resistance wire 2, the epoxy resin 3 is arranged inside the box body 1, foam boards 4 and heat conducting plates 5 are respectively and fixedly installed on the outer walls of two sides of the box body 1, a shell 6 is fixedly installed on the outer surface of the box body 1, the foam boards 4 are filled between the shell 6 and the box body 1, a wire collecting pipe 7 is vertically welded at the middle position of the bottom of the front wall of the shell 6, two groups of binding posts 8 are horizontally and fixedly installed at the middle position of the bottom of the front surface of the box body 1, bottom plates 9 are welded at the edge positions of the periphery of the lower surface of the shell 6, two groups of springs 10 are horizontally and fixedly connected to the lower surface of the bottom plate 9, a rubber plate 11 is fixedly connected between the lower end positions of the two groups of springs, and the outer wall of one side of the load-bearing block 14 far away from the box body 1 is provided with a clamping groove 15, the load-bearing block 14 is movably provided with a strut 16 through the clamping groove 15, the upper end positions of the four groups of struts 16 are fixedly provided with the same group of sample trays 17, the upper surface of the shell 6 is provided with a cover plate 18, the middle position of the top of the cover plate 18 is fixedly provided with an installation sleeve 19, the lower surface of the cover plate 18 is fixedly provided with a sealing ring 20, and guide grooves 21 are respectively arranged between the peripheral positions of the upper surface and the.

Terminal 8 sets up the inside at concentrator tube 7, two sets of terminals 8 are corresponding with the both ends of heating resistor silk 2, and heating resistor silk 2 is provided with the wire through terminal 8, spiral groove 12 has all been seted up between one side position around the upper and lower surface of

bottom plate

9, and 11 parallel arrangement of rubber slab are in the below of bottom plate 9, sample dish 17 horizontal installation, and sample dish 17's top has evenly seted up nine sets of fixed slots, sealing washer 20 is the rubber material, and the lower surface of sealing washer 20 and the upper surface of shell 6 contact, the upper surface of shell 6 all has welded projection 13 all around the edge position, and guide slot 21 and the corresponding matching of projection 13.

The working principle is as follows: the box body 1 and the shell 6 are combined into an outer frame structure of the constant temperature box, the denaturation, renaturation and extension conversion space of genes is provided, a sample tube is arranged in a sample plate 17 to be fixed, the sample tube is matched with a clamping groove 15 on a supporting column 16 and a weight bearing block 14 to realize fixation, the sample plate 17 can be disassembled so as to be convenient for using the sample tube, the top of the constant temperature box is sealed by a mounting sleeve 19 and a cover plate 18 fixed by a PCR amplification instrument, a gap is filled by a sealing ring 20 to realize heat insulation, tight connection between the cover plate 18 and the shell 6 is realized under the positioning of a convex column 13 and a guide groove 21, the epoxy resin 3 is filled around a heating part and is matched with a heat conducting plate 5 to realize heat transfer to the amplification space and heat insulation and heat preservation under the action of a foam plate 4, the heat is prevented from being led out along the shell 6, thereby the energy-saving effect of the constant temperature box is enhanced, and the use safety, keep augmenting intracavity constancy of temperature through heating resistor silk 2, hub tube 7 provides the wiring passageway, connects through terminal 8 and wire and provides electric power for the heater block, and bottom plate 9 is as installation base member all around, and spring 10 and the rubber slab 11 of its installation down carry out the shock attenuation through elastic deformation to realize the firm fixed of thermostated container and PCR amplification appearance, the stability of reinforcing thermostated container work, the utility model discloses in, the security of the excellent and use of thermostated container energy-conserving effect is high, can stabilize the stability of fixing in order to strengthen work, simultaneously, sample tray 17 can dismantle so that to the use of sample cell.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an incubator for PCR amplificator, includes box (1), its characterized in that: the heating box is characterized in that a heating resistance wire (2) is fixedly mounted inside the box body (1), epoxy resin (3) is filled around the heating resistance wire (2), the epoxy resin (3) is arranged inside the box body (1), foam boards (4) and heat conducting plates (5) are fixedly mounted on the outer walls of two sides of the box body (1) respectively, a shell (6) is fixedly mounted on the outer surface of the box body (1), the foam boards (4) are filled between the shell (6) and the box body (1), a wire collecting pipe (7) is vertically welded at the middle position of the bottom of the front wall of the shell (6), two groups of binding posts (8) are horizontally and fixedly mounted at the middle position of the bottom of the front surface of the box body (1), bottom plates (9) are welded at the edge positions of the periphery of the lower surface of the shell (6), and two groups of springs (10) are fixedly connected, two sets of fixedly connected with rubber slab (11) between the lower extreme position of spring (10), intermediate position and both sides intermediate position all weld weight carrier (14) around the inner wall bottom of box (1), and weight carrier (14) keep away from one side outer wall position of box (1) and seted up draw-in groove (15), weight carrier (14) have pillar (16), four groups through draw-in groove (15) movable mounting have same a set of sample dish (17) between the upper end position of pillar (16), the upper surface of shell (6) is provided with apron (18), and the top intermediate position fixed mounting of apron (18) has installation cover (19), the lower fixed surface of apron (18) installs sealing washer (20), and all seted up guide slot (21) between the upper and lower surface all edge positions all around of sealing washer (20).

2. The incubator for the PCR amplification instrument according to claim 1, wherein the terminals (8) are arranged inside the wire collecting tube (7), two groups of the terminals (8) correspond to two ends of the heating resistance wire (2), and the heating resistance wire (2) is provided with a lead through the terminals (8).

3. The incubator according to claim 1, wherein the bottom plate (9) has screw grooves (12) formed between the front and rear sides of the upper and lower surfaces thereof, and the rubber plate (11) is disposed in parallel below the bottom plate (9).

4. The incubator according to claim 1, wherein the sample plate (17) is installed in a horizontal direction, and nine fixing grooves are uniformly formed on the top of the sample plate (17).

5. The incubator according to claim 1, wherein the sealing ring (20) is made of rubber, and the lower surface of the sealing ring (20) is in contact with the upper surface of the housing (6).

6. The incubator according to claim 1, wherein the convex columns (13) are welded to the peripheral edge of the upper surface of the housing (6), and the guide grooves (21) and the convex columns (13) are correspondingly matched.