A sampling device for gene detection

Abstract

The utility model relates to the field of sampling, and specifically to a sampling device for gene detection, comprising a compression mechanism, an air pressure mechanism, a sampling mechanism, and a pressing mechanism. The lower end of the pressing mechanism is connected to and installed with the compression mechanism, the lower end of the compression mechanism is connected to and installed with the air pressure mechanism, and the lower end of the air pressure mechanism is connected to and installed with the sampling mechanism. The newly unpacked sampling mechanism is taken out, a collection bin is clamped into a circular ring clamp, a sampling head is extended into the interior of a sampling body, the pressing head is pressed, a pressure column is pressed downward, a soft air bag is deformed into a concave shape, the pressing head is released, due to the reaction of a spring force, the pressure column retracts, and under the action of air pressure, gas refluxes, the soft air bag is deformed and restored, and the sampled sample refluxes into the collection bin.

Description

Technical Field

[0001] The utility model relates to the field of sampling, in particular to a sampling device for gene detection. Background Art

[0002] There are many types of genetic testing, including saliva collection, oral swabs, liquorice DNA blood collection, DNA blood sample collection cards and EDTA anticoagulation, etc. A Chinese patent discloses a sampling device for genetic testing (authorization announcement number CN 216394112 U). The patent technology can recycle the sampling rods, but the number is large and the cost is high. Therefore, those skilled in the art provide a sampling device for genetic testing to solve the problems raised in the above background technology. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a sampling device for gene detection, including a compression mechanism, an air pressure mechanism, a sampling mechanism, and a pressing mechanism. The lower end of the pressing mechanism is connected to the compression mechanism, the lower end of the compression mechanism is connected to the air pressure mechanism, and the lower end of the air pressure mechanism is connected to the sampling mechanism.

[0004] Preferably: a telescopic column is installed at the lower side of the pressing head of the pressing mechanism, the telescopic column is installed in the middle of the fixed plate, and the fixed plate is installed on the upper clamping ring of the compression mechanism;

[0005] Preferably: the upper clamping ring is installed on the inner side of the upper end of the shell, the lower clamping ring is installed on the inner side of the lower end of the shell, and the compression cylinder is installed in the shell;

[0006] Preferably: an upper clamping block is installed on the upper side of the compression cylinder, a lower clamping block is installed on the lower side of the compression cylinder, and a clamping groove is provided on the middle inner wall of the compression cylinder;

[0007] Preferably: a card plate is installed in the card slot, a pressure column is installed on the lower side of the card plate, and a circle of spring is installed on the outer side of the pressure column;

[0008] Preferably: a soft airbag is installed at the lower side of the pressure column, and a connecting column is installed at the lower side of the soft airbag;

[0009] Preferably: the connecting column is connected to the arc-shaped air column, a circular air column is installed at the lower side of the arc-shaped air column, an air suction column is installed at the lower side of the circular air column, and a circular ring clamp is provided on the lower outer wall of the air suction column;

[0010] Preferably, the annular clamp clamps the collecting bin, and a sampling head is installed at the lower side of the collecting bin.

[0011] Technical effects and advantages of the utility model:

[0012] 1. A sampling mechanism is set up to isolate the air and prevent the sample from being contaminated by the air;

[0013] 2. It is equipped with a compression mechanism, an air pressure mechanism and a pressing mechanism. There is no first contact with the sample. Only the sampling mechanism needs to be replaced. Thus, the device can be reused, reducing the cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of a sampling device for gene detection provided in an embodiment of the present application;

[0015] Figure 2 It is a schematic diagram of an explosion structure in a sampling device for gene detection provided in an embodiment of the present application;

[0016] Figure 3 It is a schematic diagram of the cross-sectional structure of a sampling device for gene detection provided in an embodiment of the present application;

[0017] Figure 4 It is a schematic diagram of the structure of an air pressure device in a sampling device for gene detection provided in an embodiment of the present application;

[0018] Figure 5 It is a schematic diagram of the explosion structure of a compression device in a sampling device for gene detection provided in an embodiment of the present application.

[0019] In the figure: 1. compression mechanism; 2. air pressure mechanism; 3. sampling mechanism; 4. pressing mechanism; 101. housing; 102. lower clamping ring; 103. upper clamping ring; 104. clamping plate; 105. pressure column; 106. compression cylinder; 107. upper clamping block; 108. lower clamping block; 109. spring; 110. clamping groove; 201. arc-shaped air column; 202. circular air column; 203. suction column; 204. circular clamp; 205. connecting column; 206. soft air bag; 301. sampling head; 302. collecting chamber; 401. pressing head; 402. telescopic column; 403. fixing plate. DETAILED DESCRIPTION

[0020] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific purposes.

[0021] Example

[0022] See also Figure 1 to Figure 5In this embodiment, a sampling device for gene detection is provided, comprising a compression mechanism 1, an air pressure mechanism 2, a sampling mechanism 3, and a pressing mechanism 4. The lower end of the pressing mechanism 4 is connected to the compression mechanism 1, the lower end of the compression mechanism 1 is connected to the air pressure mechanism 2, and the lower end of the air pressure mechanism 2 is connected to the sampling mechanism 3;

[0023] Specifically, a telescopic column 402 is installed at the lower side of the pressing head 401 of the pressing mechanism 4, and the telescopic column 402 is installed in the middle of the fixing plate 403, and the fixing plate 403 is installed on the upper clamping ring 103 of the compression mechanism 1;

[0024] The upper clamping ring 103 is installed on the inner side of the upper end of the housing 101, the lower clamping ring 102 is installed on the inner side of the lower end of the housing 101, and the compression cylinder 106 is installed in the housing 101;

[0025] An upper clamping block 107 is installed on the upper side of the compression cylinder 106, a lower clamping block 108 is installed on the lower side of the compression cylinder 106, and a clamping groove 110 is provided on the middle inner wall of the compression cylinder 106;

[0026] A card plate 104 is installed in the card slot 110, a pressure column 105 is installed on the lower side of the card plate 104, and a coil of spring 109 is installed on the outer side of the pressure column 105;

[0027] A soft air bag 206 is installed at the lower side of the pressure column 105, and a connecting column 205 is installed at the lower side of the soft air bag 206;

[0028] The connecting column 205 is connected to the arc-shaped air column 201, the circular air column 202 is installed on the lower side of the arc-shaped air column 201, the suction column 203 is installed on the lower side of the circular air column 202, and the lower side outer wall of the suction column 203 is provided with a circular ring clamp 204;

[0029] The circular clamp 204 clamps the collection bin 302 , and the sampling head 301 is installed at the lower side of the collection bin 302 .

[0030] The working principle of the utility model is:

[0031] When using a sampling device for gene detection, the newly unsealed sampling mechanism 3 is taken out, the collection chamber 302 is inserted into the annular clamp 204, the sampling head 301 is inserted into the sampling body, the pressing head 401 is pressed, and the pressure column 105 is pressed down to cause the soft airbag 206 to deform concavely. The pressing head 401 is released, and due to the reaction of the spring 109 force, the pressure column 105 retracts. Under the action of air pressure, the gas refluxes, the deformation of the soft airbag 206 is restored, and the sample refluxes into the collection chamber 302.

[0032] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. A sampling device for gene detection, characterized in that: The device comprises a compression mechanism (1), an air pressure mechanism (2), a sampling mechanism (3), and a pressing mechanism (4); the lower end of the pressing mechanism (4) is connected to and installed with the compression mechanism (1); the lower end of the compression mechanism (1) is connected to and installed with the air pressure mechanism (2); and the lower end of the air pressure mechanism (2) is connected to and installed with the sampling mechanism (3).

2. A sampling device for gene detection according to claim 1, characterized in that: A telescopic column (402) is installed at the lower side of the pressing head (401) of the pressing mechanism (4), and the telescopic column (402) is installed in the middle of a fixed plate (403), and the fixed plate (403) is installed on the upper clamping ring (103) of the compression mechanism (1).

3. A sampling device for gene detection according to claim 2, characterized in that: The upper clamping ring (103) is installed on the inner side of the upper end of the outer shell (101), the lower clamping ring (102) is installed on the inner side of the lower end of the outer shell (101), and the compression cylinder (106) is installed in the outer shell (101).

4. A sampling device for gene detection according to claim 3, characterized in that: An upper clamping block (107) is installed on the upper side of the compression cylinder (106), a lower clamping block (108) is installed on the lower side of the compression cylinder (106), and a clamping groove (110) is provided on the middle inner wall of the compression cylinder (106).

5. A sampling device for gene detection according to claim 4, characterized in that: A card plate (104) is installed in the card slot (110), a pressure column (105) is installed on the lower side of the card plate (104), and a coil of spring (109) is installed on the outer side of the pressure column (105).

6. A sampling device for gene detection according to claim 5, characterized in that: A soft air bag (206) is installed on the lower side of the pressure column (105), and a connecting column (205) is installed on the lower side of the soft air bag (206).

7. A sampling device for gene detection according to claim 6, characterized in that: The connecting column (205) is connected to the arc-shaped air column (201), a circular air column (202) is installed at the lower side of the arc-shaped air column (201), an air suction column (203) is installed at the lower side of the circular air column (202), and a circular ring clamp (204) is provided on the lower outer wall of the air suction column (203).

8. A sampling device for gene detection according to claim 7, characterized in that: The annular clamp (204) clamps the collection bin (302), and a sampling head (301) is installed at the lower side of the collection bin (302).

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