CN219447912U

CN219447912U - Constant temperature detection kit

Info

Publication number: CN219447912U
Application number: CN202320849542.0U
Authority: CN
Inventors: 李光曦; 罗梅芳; 刘光先; 莫才全
Original assignee: Shenzhen Shanerwei Medical Technology Group Co ltd
Current assignee: Shenzhen Shanerwei Medical Technology Group Co ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-08-01
Anticipated expiration: 2033-04-10

Abstract

The utility model belongs to the technical field of detection kits, and discloses a constant-temperature detection kit which comprises a kit body, wherein a temperature adjusting component and a bearing piece are arranged in a containing cavity of the kit body, the bearing piece is used for placing a reagent tube, the temperature adjusting component is positioned below the bearing piece and is used for adjusting the temperature of the reagent tube in the bearing piece, the temperature adjusting component and the bearing piece are respectively connected with the inside of the containing cavity, the temperature adjusting component comprises a temperature adjusting box body, a first cavity and a second cavity are formed in the temperature adjusting box body, and a cooling piece and a heating piece are respectively arranged in the first cavity and the second cavity.

Description

Constant temperature detection kit

Technical Field

The utility model belongs to the technical field of detection kits, and particularly relates to a constant temperature detection kit.

Background

With the development of society and the progress of science and technology, the research level of the pharmaceutical industry reaches a new height. In the course of research on various organisms, genes and the like, the necessary requirement is to store and transfer a research object by using a reagent tube, and the transfer of the reagent tube is usually carried out by using a reagent kit.

In the transferring process of the reagent tube, some study objects need to be stored in a certain temperature difference range and in a vacuum environment, so that the study objects in the reagent tube are prevented from losing activity due to temperature or from being oxidized and reduced in activity due to oxygen, and serious persons can also cause the study objects to lose study value. In the prior art, the utility model with the application number of CN202222820282.2 discloses a temperature-controllable detection reagent bottle storage device, when the temperature in a storage box is raised through a fan, a heating pipe is started to operate, and the temperature of the heating pipe uniformly enters the storage box through a first through groove, so that the temperature of a detection reagent bottle in the storage box is raised, when the temperature in the storage box needs to be lowered, the operation of the heating pipe is canceled, at the moment, the fan can be started to operate to drive air outside the storage box to enter an operation groove, and then the air in the operation groove can be cooled through a second through groove and the air in the storage box through the first through groove, so that the effect of conveniently controlling the temperature regulation is realized. But when cooling down the bin through fan and second bucket groove, depend on the external temperature of bin and decide, be difficult for making the temperature in the bin surpass and reduce the temperature in the external temperature, be inconvenient for adjusting the temperature in the bin when great difference in temperature is needed.

For this reason, it is necessary to propose a constant temperature detection kit to improve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a constant temperature detection kit for solving the problem that the temperature in the storage box is regulated in the background art and depends on the external temperature, so that a larger temperature difference cannot be regulated.

In order to achieve the aim of the utility model, the technical scheme adopted is as follows: the constant temperature detection kit comprises a kit body, wherein a temperature adjusting component and a bearing piece are arranged in a containing cavity of the kit body, the bearing piece is used for placing a reagent tube, the temperature adjusting component is positioned below the bearing piece and used for adjusting the temperature of the reagent tube in the bearing piece, and the temperature adjusting component and the bearing piece are respectively connected with the inside of the containing cavity;

the temperature adjusting assembly comprises a temperature adjusting box body, a first cavity and a second cavity are formed in the temperature adjusting box body, and a cooling piece and a heating piece are respectively arranged in the first cavity and the second cavity.

The utility model is further provided with: the cooling piece comprises a semiconductor refrigerator which is positioned in the first cavity and is in screw connection with the inner wall of the first cavity.

The utility model is further provided with: the heating piece comprises a heating wire, the heating wire comprises a heating section and a connecting seat, the connecting seat is fixedly connected with the inner wall of the second cavity through screws, and the heating section is suspended in the second cavity and is in screw connection with the connecting seat.

The utility model is further provided with: a partition plate is arranged between the first cavity and the second cavity, a fan support is arranged on the partition plate, fixing columns are respectively arranged at two ends of the fan support, and a conveying fan is arranged on the fixing columns.

The utility model is further provided with: the temperature adjusting assembly further comprises a ventilation piece, the ventilation piece comprises a ventilation shell and a backflow fan, a backflow cavity is formed in the ventilation shell, a backflow hole is formed in one side of the ventilation shell, and the backflow fan is arranged at the backflow hole and fixedly connected with the inner wall of the backflow cavity.

The utility model is further provided with: the ventilation piece further comprises a first connecting pipe and a second connecting pipe, two ends of the first connecting pipe are respectively communicated with the first cavity and the backflow cavity, and two ends of the second connecting pipe are respectively communicated with the second cavity and the backflow cavity.

The utility model is further provided with: the bearing piece comprises a bearing seat and a bearing frame, and the bearing seat is positioned above the temperature adjusting component and is in abutting connection with the inner wall of the accommodating cavity;

the bearing seat is provided with a plurality of bearing holes, the bearing frame is provided with a plurality of clamping positions matched with the bearing holes, and the clamping positions are used for fixing the reagent tube.

The utility model is further provided with: the kit body comprises a main body and a cover plate hinged with the main body, wherein a first locking piece is arranged on the side face of the main body, and a second locking piece corresponding to the first locking piece is arranged on the cover plate.

The utility model is further provided with: and a sealing ring is arranged on one side of the cover plate, which is close to the main body, and a sealing ring groove matched with the sealing ring is arranged on one side of the main body, which is close to the cover plate.

In summary, compared with the prior art, the utility model discloses a constant temperature detection kit, which is characterized in that a temperature adjusting component is arranged below a bearing piece and is used for heating or cooling the bearing piece to change the storage environment temperature of a reagent tube in the bearing piece.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of the overall structure of a isothermal detection kit according to the present embodiment;

fig. 2 is an exploded view of a isothermal detection kit according to the present embodiment;

FIG. 3 is a schematic diagram of a temperature adjusting assembly in the present embodiment;

fig. 4 is a schematic structural view of the carrier in this embodiment.

Reference numerals:

10. a kit body; 11. a receiving chamber; 12. a main body; 121. a first locking piece; 122. sealing ring grooves; 13. a cover plate; 131. a second locking piece; 132. a seal ring; 14. a heat dissipation box; 141. a heat sink; 20. a temperature regulating assembly; 21. a temperature regulating box body; 211. a first cavity; 212. a second cavity; 213. a partition plate; 214. a fan bracket; 2141. fixing the column; 215. a conveying fan; 216. a case cover; 2161. wind-conveying wire slot; 22. a cooling member; 221. a semiconductor refrigerator; 2211. a refrigerator base; 2212. a cooling sheet; 2213. a heat sink; 23. a heating member; 231. a heating wire; 2311. a heating section; 2312. a connecting seat; 24. a ventilation member; 241. a ventilation housing; 2411. a reflow chamber; 2412. a reflow hole; 242. a reflow fan; 243. a first connection pipe; 244. a second connection pipe; 245. a vent flap; 30. a carrier; 31. a bearing seat; 311. a bearing hole; 32. a carrier; 321. and (5) clamping the position.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to 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," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

In addition, the technical features described above in the different embodiments of the present utility model may be combined with each other as long as they do not collide with each other.

Referring to fig. 1 to 3, this scheme provides a constant temperature detection kit, its inside is equipped with the cavity that is used for loading detect reagent, and make the temperature in the cavity keep at invariable level that is fit for depositing detect reagent, its main structure includes kit body 10, be equipped with holding chamber 11 in the kit body 10, temperature regulating assembly 20 and carrier 30 have been set gradually from top to bottom in the holding chamber 11, temperature regulating assembly 20 and carrier 30 are fixed with the inner wall connection of holding chamber 11 respectively, carrier 30 is used for placing, store the reagent pipe, temperature regulating assembly 20 is located the temperature of adjustment carrier 30, and then change the storage ambient temperature of reagent pipe, make the place ambient temperature of reagent pipe adjust according to actual need, for prior art, adjustable temperature difference scope is bigger, and do not receive external ambient temperature, the practicality of this application has been improved.

The temperature adjusting assembly 20 comprises a temperature adjusting box body 21, the temperature adjusting box body 21 is positioned below the bearing piece 30 and is fixedly connected with the inner wall of the accommodating cavity 11 through screws, a first cavity 211 and a second cavity 212 are formed in the temperature adjusting box body 21, a cooling piece 22 and a heating piece 23 are respectively arranged in the first cavity 211 and the second cavity 212, the cooling piece 22 is used for cooling and reducing the air temperature, and therefore the bearing piece 30 is cooled, and a low-temperature environment is provided for reagent tubes in the bearing piece 30; the heating element 23 is used for heating and raising the temperature of the air, so as to heat and raise the temperature of the carrier 30, thereby improving the high-temperature environment for the reagent tubes in the carrier 30.

The first cavity 211 and the second cavity 212 in the temperature adjusting box body 21 are respectively provided with the cooling piece 22 and the heating piece 23, so that the temperature adjusting assembly 20 is used for cooling or heating the bearing piece 30, and the temperature adjustment is carried out according to the preservation environment temperature required by a study object in the reagent tube, so that the temperature adjustment in the reagent kit can not be limited by the external environment, and the practicability of the application is improved to a certain extent.

It should be noted that, a temperature sensor, a controller and a lithium battery are further disposed in the accommodating cavity 11, the temperature sensor is used for detecting the actual temperature in the accommodating cavity 11, converting the actual temperature into an electrical signal and sending the electrical signal to the controller, the controller compares the electrical signal with the sent temperature signal according to preset parameters, and if the electrical signal is lower than the preset temperature, the controller starts a heating element of the temperature adjusting component 20 to heat, so as to raise the temperature; when the temperature is higher than the preset temperature, the controller starts the cooling piece 22 of the temperature adjusting assembly 20 to cool, so that the temperature is reduced, and in addition, the lithium battery is used for supplying power to all the electric parts.

Further, referring to fig. 1 to 3, the cooling member 22 includes a semiconductor refrigerator 221, the semiconductor refrigerator 221 is located in the first cavity 211 and is screw-coupled to an inner wall of the first cavity 211, and the semiconductor refrigerator 221 is used to reduce the temperature of air.

Specifically, the semiconductor refrigerator 221 includes a refrigerator base 2211 and a plurality of refrigeration pieces 2212, the refrigerator base 2211 is fixed with the inner wall of the first cavity 211 through screw connection, a plurality of the refrigeration pieces 2212 are equidistantly arranged on the upper end surface of the refrigerator base 2211 and are integrally connected with the refrigerator base 2211, the semiconductor refrigerator 221 is started to cool air in the first cavity 211, and then the carrier 30 is cooled through the flow of cooling air, so that a low temperature suitable for preservation is provided for a reagent tube placed in the carrier 30. Further specifically, the semiconductor refrigerator 221 further includes a heat sink 2213, where the heat sink 2213 is located on a lower end surface of the temperature adjusting box 21 and abuts against the temperature adjusting box 21, and one side of the heat sink 2213 is curved and extends into the first cavity 211 through the bottom of the temperature adjusting box 21 to be connected with the refrigerator base 2211, so that heat of the refrigerator base 2211 is transferred to the first cavity 211, in addition, a heat sink box 14 is screwed to the main body 12, a heat sink cavity is provided in the heat sink box 14, the other side of the heat sink 2213 extends into the heat sink cavity of the heat sink box 14 through the main body 12, and a heat sink 141 is provided on a surface of the heat sink box 14 opposite to the main body 12, and the heat sink 141 is used for communicating the heat sink cavity and the outside, so that heat transferred from the first cavity 211 to the heat sink cavity is discharged to the outside environment, thereby ensuring normal refrigeration operation of the semiconductor refrigerator 221.

Further, referring to fig. 1 to 3, the heating element 23 includes a heating wire 231, the heating wire 231 includes a heating section 2311 and a connecting seat 2312, the connecting seat 2312 is fixedly connected with an inner wall of the second cavity 212 by a screw, the heating section 2311 is suspended in the second cavity 212 and is in screw connection with the connecting seat 2312, and the heating section 2311 is used for increasing air temperature.

Specifically, the cross section of the second cavity 212 is rectangular, a connection seat 2312 is respectively disposed at opposite angles of the second cavity 212, the heating section 2311 is suspended in the second cavity 212 in an S shape, two ends of the heating section 2311 are respectively connected with the two connection seats 2312, the middle of the heating section 2311 is suspended in the second cavity 212, air in the second cavity 212 is heated by controlling the heating wire 231, and then the carrier 30 is heated by flowing of the heated air, so that a high temperature suitable for storage is provided for a reagent tube placed in the carrier 30.

Further, referring to fig. 1 to 3, a partition 213 is disposed between the first cavity 211 and the second cavity 212, a fan support 214 is disposed on the partition 213, fixing columns 2141 are disposed at two ends of the fan support 214, and a conveying fan 215 is disposed on the fixing columns 2141, where the conveying fan 215 is used for accelerating the air flow rate in the first cavity 211 and the second cavity 212.

Specifically, be equipped with baffle 213 in the temperature adjustment box 21 and form first cavity 211 and second cavity 212, the top bolted connection of baffle 213 has fan support 214, fan support 214 sets up with baffle 213 mutually perpendicular, the both ends of baffle 213 are located first cavity 211 and second cavity 212 respectively, the both ends up end of baffle 213 is connected with fixed column 2141 respectively an organic whole, be equipped with the screens structure on the fixed column 2141, conveying fan 215 is fixed through screens and fixed column 2141 screens, two conveying fans 215 are located the top of first cavity 211 and second cavity 212 respectively, be used for accelerating the velocity of flow in first cavity 211 and the second cavity 212 air to carrier 30, thereby guarantee that the air after the cooling or after the heating can carry carrier 30 department fast, in order to carry out cooling or heating treatment to the reagent pipe in the carrier 30, the work effect of cooling member 22 and heating member 23 has been improved to a certain extent.

It should be explained that the cover 216 is screwed to the upper portion of the temperature adjusting box 21, the cover 216 is provided with the air duct 2161, the two air conveying fans 215 are located below the air duct 2161, the air duct 2161 is used for providing an air supply channel for the air conveying fans 215, and the flow rate of the air in the first cavity 211 and the second cavity 212 conveyed by the air conveying fans 215 to the accommodating cavity 11 is improved to a certain extent.

Further, referring to fig. 1 to 3, the temperature adjustment assembly 20 further includes a ventilation member 24, the ventilation member 24 includes a ventilation housing 241 and a backflow fan 242, a backflow cavity 2411 is disposed in the ventilation housing 241, a backflow hole 2412 is disposed on one side of the ventilation housing 241, and the backflow fan 242 is disposed at the backflow hole 2412 and fixedly connected with an inner wall of the backflow cavity 2411.

Specifically, the ventilation shell 241 is located at the bottom of the accommodating cavity 11 and is fixedly connected with the inner wall of the accommodating cavity 11 through screws, a backflow cavity 2411 is arranged in the ventilation shell 241, a backflow hole 2412 is formed in one side, close to the bearing piece 30, of the ventilation shell 241, the backflow hole 2412 is communicated with the backflow cavity 2411 and the accommodating cavity 11, after air from the second cavity 212 and the second cavity 212 conveniently flows through the bearing piece 30 in the accommodating cavity 11, the air flows back to the backflow cavity 2411 in the ventilation shell 241 from the backflow hole 2412, a backflow fan 242 is arranged at the backflow hole 2412, and the flow rate of the air flowing into the backflow cavity 2411 of the accommodating cavity 11 is improved through the backflow fan 242.

Further, referring to fig. 1 to 3, the ventilation member 24 further includes a first connection pipe 243 and a second connection pipe 244, both ends of the first connection pipe 243 are respectively communicated with the first cavity 211 and the return chamber 2411, and both ends of the second connection pipe 244 are respectively communicated with the second cavity 212 and the return chamber 2411.

Specifically, one end of the first connection pipe 243 penetrates the temperature adjusting case 21 and is communicated with the first cavity 211, the other end of the first connection pipe 243 penetrates the ventilation case 241 and is communicated with the backflow cavity 2411, so that the first cavity 211 is communicated with the backflow cavity 2411 through the first connection pipe 243, in addition, one end of the second connection pipe 244 penetrates the temperature adjusting case 21 and is communicated with the ventilation case 241 and is communicated with the backflow cavity 2411, so that the second cavity 212 is communicated with the backflow cavity 2411 through the second connection pipe 244, and thus air flowing back from the accommodating cavity 11 to the backflow cavity 2411 is returned to the first cavity 211 and the second cavity 212 through the first connection pipe 243 and the second connection pipe 244, and is reheated by the cooling member 22 and the heating member 23 and conveyed to the accommodating cavity 11 through the conveying fan 215 to raise and lower the temperature of the accommodating member 30, and the storage temperature of the reagent pipes placed in the accommodating member 30 is adjusted through the circulation operation.

Further, referring to fig. 1, 2 and 4, the carrier 30 includes a carrier seat 31 and a carrier frame 32, where the carrier seat 31 is located above the temperature adjusting assembly 20 and is disposed in abutment with an inner wall of the accommodating cavity 11; specifically, the bearing seat 31 is rectangular, and the cross section of the bearing seat 31 is matched with the cross section of the accommodating cavity 11, wherein the bearing seat 31 is located above the temperature adjusting assembly 20, namely the temperature adjusting box body 21 and the ventilation shell 241, and the lower end surface of the bearing seat 31 is matched with the upper end surfaces of the temperature adjusting box body 21 and the ventilation shell 241, so that the connection stability among the bearing seat 31, the temperature adjusting box body 21, the ventilation shell 241 and the reagent kit body 10 is improved.

The bearing seat 31 is provided with a plurality of bearing holes 311, the bearing frame 32 is provided with a plurality of clamping positions 321 matched with the bearing holes 311, and the clamping positions 321 are used for fixing the reagent tubes.

Specifically, a plurality of bearing holes 311 are formed in the bearing seat 31, in this embodiment, the bearing holes 311 are arranged in a rectangular array, clamping positions 321 matched with the bearing holes 311 are formed in the bearing frame 32, the clamping positions 321 of the bearing frame 32 are inserted into the bearing holes 311 for placement, the clamping positions 321 are used for placing reagent tubes and clamping and fixing the reagent tubes, and therefore, in the conveying process of the reagent kit, the reagent tubes are prevented from being separated from the bearing frame 32, and samples of study objects in the reagent tubes are turned over.

Further, referring to fig. 1 and 2, the kit body 10 includes a main body 12 and a cover plate 13 hinged to the main body 12, a first locking piece 121 is disposed on a side surface of the main body 12, and a second locking piece 131 corresponding to the first locking piece 121 is disposed on the cover plate 13.

Specifically, kit body 10 includes main part 12 and apron 13, carrier 30 and subassembly 20 that adjusts the temperature all place in main part 12, one side of apron 13 is articulated through hinge structure with one side of main part 12, thereby make apron 13 can rotate for one side of main part 12, and main part 12 and apron 13 mutually match, in addition, the other side screwed connection of main part 12 has first locking piece 121, the opposite side screwed connection of apron 13 has second locking piece 131, first locking piece 121 and second locking piece 131 mutually match, thereby when apron 13 lid is on main part 12, can press from both sides tight closure through the mutually supporting of first locking piece 121 and second locking piece 131, the isolation of holding chamber 11 with the external is improved, the influence of external temperature to the temperature in the holding chamber 11 has been reduced.

Further, referring to fig. 1 and 2, a sealing ring 132 is provided on a side of the cover 13 close to the main body 12, and a sealing ring groove 122 matching with the sealing ring 132 is provided on a side of the main body 12 close to the cover 13. Specifically, a sealing ring 132 is embedded on a side surface of the cover plate 13, which is closed with the main body 12, and a sealing ring groove 122 which is matched with the sealing ring 132 is arranged on a side surface of the main body 12, which is in closed contact with the cover plate 13, when the cover plate 13 is closed with the main body 12, the sealing ring 132 is embedded in the sealing ring groove 122, thereby improving the isolation degree of the accommodating cavity 11 and the external environment, and greatly reducing the influence of the external temperature on the temperature of the bearing piece 30 in the accommodating cavity 11.

In summary, the utility model has the following beneficial effects: the utility model discloses a constant temperature detection kit, which is characterized in that a temperature regulating component 20 is arranged below a bearing piece 30 and is used for heating or cooling the bearing piece 30 to change the storage environment temperature of a reagent tube in the bearing piece 30.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. A isothermal assay kit, comprising:

the kit comprises a kit body, wherein a temperature adjusting assembly and a bearing piece are arranged in a containing cavity of the kit body, the bearing piece is used for placing a reagent tube, the temperature adjusting assembly is positioned below the bearing piece and used for adjusting the temperature of the reagent tube in the bearing piece, and the temperature adjusting assembly and the bearing piece are respectively connected with the inside of the containing cavity;

2. A constant temperature test kit according to claim 1, wherein said cooling member comprises a semiconductor refrigerator, said semiconductor refrigerator being located in said first cavity and being screwed to an inner wall of said first cavity.

3. The kit according to claim 2, wherein the heating element comprises a heating wire, the heating wire comprises a heating section and a connecting seat, the connecting seat is fixedly connected with the inner wall of the second cavity by a screw, and the heating section is suspended in the second cavity and is in screw connection with the connecting seat.

4. A constant temperature detection kit according to claim 3, wherein a partition is provided between the first cavity and the second cavity, a fan support is provided on the partition, fixing columns are provided at both ends of the fan support, and a conveying fan is provided on the fixing columns.

5. A constant temperature detection kit as in claim 3, wherein the temperature adjustment assembly further comprises a ventilation member, the ventilation member comprises a ventilation housing and a backflow fan, a backflow cavity is arranged in the ventilation housing, a backflow hole is arranged on one side of the ventilation housing, and the backflow fan is arranged at the backflow hole and fixedly connected with the inner wall of the backflow cavity.

6. The isothermal detection kit according to claim 5, wherein the vent member further comprises a first connecting tube and a second connecting tube, wherein two ends of the first connecting tube are respectively communicated with the first cavity and the reflux cavity, and two ends of the second connecting tube are respectively communicated with the second cavity and the reflux cavity.

7. The kit according to claim 1, wherein the bearing member comprises a bearing seat and a bearing frame, and the bearing seat is positioned above the temperature adjusting assembly and is abutted against the inner wall of the accommodating cavity;

8. The constant temperature detection kit as claimed in claim 1, wherein the kit body comprises a main body and a cover plate hinged with the main body, a first locking piece is arranged on the side surface of the main body, and a second locking piece corresponding to the first locking piece is arranged on the cover plate.

9. The kit of claim 8, wherein a sealing ring is provided on a side of the cover plate adjacent to the main body, and a sealing ring groove matched with the sealing ring is provided on a side of the main body adjacent to the cover plate.