Gene tester type gun head and gene tester kit comprising same

Abstract

The utility model firstly discloses a gene testing instrument type gun head which comprises a first end section, a second end section, a middle section, a first transition section and a second transition section, the first end section is located above the second end section, the first end section and the middle section are of a hollow cylinder structure or a hollow frustum structure, the second end section is of a needle head type structure, and the first transition section and the second transition section are of a hollow cone structure. A middle section is arranged between the first end section and the second end section; the plane where the outer wall of the first transition section is located is perpendicular to the axis of the first end section, a right-angle limiting step is formed at the first transition section, a blocking type step is arranged in a kit body in the gene tester kit, and the blocking type step limits the right-angle limiting step to jump over. According to the gene tester type gun head and the gene tester kit comprising the same, the problem that in the prior art, the first transition section is of a hollow frustum structure, so that the first transition section easily crosses a blocking step when being pressed down is solved.

Description

Technical Field

[0001] The utility model relates to equipment for gene sequencing, in particular to a gene tester gun head and a gene tester kit containing the same. Background Art

[0002] The Chinese patent discloses a gene library preparation kit with an application number of CN202322143489.5. The gene library preparation kit has a built-in gun tip, including a first end section, a second end section, an intermediate section, a first transition section and a second transition section. The first end section is located above the second end section. The first end section and the intermediate section are hollow cylindrical structures or hollow frustum structures. The second end section is a needle-type structure. The intermediate section is arranged between the first end section and the second end section. The outer diameter of the first end section is greater than the outer diameter of the intermediate section. The outer diameter of the intermediate section is greater than the outer diameter of the second end section. The outer diameter of the intermediate section is greater than the outer diameter of the second end section. The top end of the intermediate section is connected to the first end section through the first transition section.

[0003] Although the built-in gun tip of the gene library preparation kit can solve the problem in the prior art that the liquid-absorbing extension part with a small outer diameter at the small end needs to be very long due to the direct transition from the end of the hollow cylindrical structure to the liquid-absorbing extension part with a hollow frustum structure. However, the built-in gun tip of the gene library preparation kit still has the following disadvantages: since the first transition section of the built-in gun tip of the gene library preparation kit is a hollow frustum structure, although the first transition section can achieve the transition from the first end section to the middle section, the first transition section also has another function: when the external driving device presses the built-in gun tip of the gene library preparation kit to the specified position, the first transition section has the effect of positioning the entire built-in gun tip of the gene library preparation kit in the gene tester kit of the gene library preparation instrument, and the position in the gene tester kit that blocks the first transition section from continuing to descend is a blocking step, and the entire gene library preparation kit The built-in gun tip is made of plastic material, and the built-in gun tip of the gene library preparation kit has a certain elasticity. The built-in gun tip of the gene library preparation kit is a tubular structure. Therefore, when the external driving device presses down the built-in gun tip of the gene library preparation kit, it is very easy for the elasticity of the built-in gun tip of the gene library preparation kit to cause the first transition section to slide over the blocking step, resulting in the built-in gun tip of the gene library preparation kit being unable to stay on the blocking step, resulting in the built-in gun tip of the gene library preparation kit being broken, etc. It is also possible that the built-in gun tip of the gene library preparation kit is not a blocking step when it falls to an affected position, thereby affecting the amount of liquid aspiration, resulting in the entire biochemical reaction result being affected. Utility Model Content

[0004] The utility model provides a gene tester gun head and a gene tester kit containing the same, which solves the problem in the prior art that the first transition section easily passes over the blocking step when pressed down because the first transition section adopts a hollow cone structure.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The utility model firstly discloses a gene test instrument gun head, comprising: a first end section, a second end section, an intermediate section, a first transition section and a second transition section, the first end section is located above the second end section, the first end section and the intermediate section are hollow cylindrical structures or hollow frustum structures, the second end section is a needle-type structure, the intermediate section is arranged between the first end section and the second end section, the outer diameter of the first end section is greater than the outer diameter of the intermediate section, the outer diameter of the intermediate section is greater than the outer diameter of the second end section, the outer diameter of the intermediate section is greater than the outer diameter of the second end section, the top end of the intermediate section is connected to the first end section through the first transition section, and the bottom end of the intermediate section is connected to the second end section through the second transition section; the plane where the outer wall of the first transition section is located is perpendicular to the axis center line of the first end section, a right-angle limiting step is formed at the first transition section, a blocking step is arranged in a box body in a gene test instrument reagent box, and the blocking step limits the right-angle limiting step from jumping over.

[0007] Preferably, the inner wall of the first transition section is an arc structure.

[0008] The utility model also discloses a gene tester test kit, comprising a box body and the gene tester gun head as described above.

[0009] Preferably, a protruding ring protrudes from the top of the first end section, and the box body is provided with a guide hole, a middle hole and a through hole. The through hole is located below the guide hole, and the through hole and the guide hole are connected through the middle hole. A blocking step is formed at the connection between the middle hole and the through hole, and an installation step is formed at the connection between the guide hole and the middle hole, and a lifting spring is installed between the protruding ring and the installation step.

[0010] Preferably, a guiding arc surface is formed between the mounting step and the middle hole.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] In the present application, by improving the structure of the first transition section, the original outer wall of the first transition section, which is a hollow frustum structure, is changed into a right-angled surface perpendicular to the axis line of the first end section, thereby avoiding the situation in the prior art where the outer wall of the first transition section is a hollow frustum structure and the first transition section has a certain elasticity and jumps over the blocking step when pressed down. In the present application, the plane where the blocking step is located is also parallel to the plane where the outer wall of the first transition section is located, and the first transition section will not jump over the blocking step due to the elasticity of the first transition section, thereby protecting the entire genetic testing ritual gun tip and avoiding the entire liquid aspiration work being affected due to the deformation of the genetic testing ritual gun tip, thereby ensuring that the entire biochemical reaction can proceed smoothly.

[0013] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 Schematic diagram of the structure of the gun tip used for genetic testing.

[0015] Figure 2 Front view of the pipette tip for genetic testing.

[0016] Figure 3 Cross-sectional view of a pipette tip used for genetic testing.

[0017] Figure 4 This is a cross-sectional view of the box body and the genetic tester gun tip in the genetic tester kit.

[0018] Figure numerals: first end section 1, protruding ring 10, second end section 2, middle section 3, first transition section 4, second transition section 5, box body 6, blocking step 60, guide hole 61, middle hole 62, through hole 63, installation step 64, guide arc surface 65, lifting spring 7. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and functions of the present invention clearer and easier to understand, the present invention is further described below in conjunction with the accompanying drawings and specific implementation methods:

[0020] Embodiment 1:

[0021] like Figures 1 to 3As shown, this embodiment discloses a gene test instrument gun head, comprising: a first end section 1, a second end section 2, an intermediate section 3, a first transition section 4 and a second transition section 5, the first end section 1 is located above the second end section 2, the first end section 1 and the intermediate section 3 are hollow cylindrical structures or hollow frustum structures, the second end section 2 is a needle-type structure, the intermediate section 3 is arranged between the first end section 1 and the second end section 2, the outer diameter of the first end section 1 is greater than the outer diameter of the intermediate section 3, the outer diameter of the intermediate section 3 is greater than the outer diameter of the second end section 2, the outer diameter of the intermediate section 3 is greater than the outer diameter of the second end section 2, the top end of the intermediate section 3 is connected to the first end section 1 through the first transition section 4, and the bottom end of the intermediate section 3 is connected to the second end section 2 through the second transition section 5; the plane where the outer wall of the first transition section 4 is located is perpendicular to the axis of the first end section 1, a right-angle limit step is formed at the first transition section 4, and a blocking step 60 is arranged in the box body 6 in the gene test instrument kit, and the blocking step 60 limits the right-angle limit step from jumping over.

[0022] The inner wall of the first transition section 4 is an arc structure, so as to avoid the inner wall of the first transition section 4 having a right angle and causing liquid to be deposited there, thereby avoiding contamination of the first transition section 4 and affecting the amount of liquid added in each step, thereby ensuring that the entire biochemical reaction can proceed normally.

[0023] Embodiment 2:

[0024] like Figure 4 As shown, this embodiment discloses a gene tester kit, including: a box body 6 and a gene tester gun head as in Example 1.

[0025] The top of the first end section 1 is protruded with a protruding ring 10, and the box body 6 is provided with a guide hole 61, an intermediate hole 62 and a through hole 63. The through hole 63 is located below the guide hole 61, and the through hole 63 is connected to the guide hole 61 through the intermediate hole 62. A blocking step 60 is formed at the connection between the intermediate hole 62 and the through hole 63, and a mounting step 64 is formed at the connection between the guide hole 61 and the intermediate hole 62. A lifting spring is installed between the protruding ring 10 and the mounting step 64. The inner wall of the guide hole 61 and the outer wall of the protruding ring 10 are closely attached to each other, so as to guide the entire genetic test ritual gun head to move in a specified direction. A blocking step is formed at the intermediate hole 62 and the through hole 63 to ensure that the blocking step can be successfully set and that the entire genetic test ritual gun head can pass through the through hole 63. The installation step 64 is set to install the lifting spring 7 to prevent the lifting spring 7 from entering the intermediate hole 62 and affecting the blocking step to achieve the function of blocking the first transition section 4 from continuing to descend. The middle hole 62 also has the function of guiding the middle section 3 to prevent the genetic testing ritual gun tip from deflecting arbitrarily and causing the genetic testing ritual gun tip to be stuck in the box body 6.

[0026] A guiding arc surface 65 is formed between the installation step 64 and the middle hole 62 , so that the middle section 3 can smoothly enter the middle hole 62 , and ensure that the middle section 3 can be smoothly guided by the inner wall of the middle hole 62 .

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. Genetic testing ritual gun tip, including: A first end section (1), a second end section (2), an intermediate section (3), a first transition section (4) and a second transition section (5), wherein the first end section (1) is located above the second end section (2), the first end section (1) and the intermediate section (3) are hollow cylindrical structures or hollow frustum structures, the second end section (2) is a needle-type structure, the intermediate section (3) is arranged between the first end section (1) and the second end section (2), the outer diameter of the first end section (1) is greater than the outer diameter of the intermediate section (3), the outer diameter of the intermediate section (3) is greater than the outer diameter of the second end section (2), the top end of the intermediate section (3) is connected to the first end section (1) via the first transition section (4), and the bottom end of the intermediate section (3) is connected to the second end section (2) via the second transition section (5); characterized in that The plane where the outer wall of the first transition section (4) is located is perpendicular to the axis of the first end section (1), and a right-angle limit step is formed at the first transition section (4). A blocking step (60) is arranged in the box body (6) of the genetic testing instrument kit, and the blocking step (60) limits the right-angle limit step from jumping over.

2. The genetic testing ritual gun tip according to claim 1, characterized in that: The inner wall of the first transition section (4) is an arc structure.

3. A gene testing instrument kit, characterized in that: include: A box body (6) and a genetic testing gun tip as described in claim 1 or 2.

4. The gene testing instrument kit according to claim 3, characterized in that: A protruding ring (10) is protruded from the top of the first end section (1); a guide hole (61), an intermediate hole (62) and a through hole (63) are provided on the box body (6); the through hole (63) is located below the guide hole (61); the through hole (63) and the guide hole (61) are connected via the intermediate hole (62); a blocking step (60) is formed at the connection between the intermediate hole (62) and the through hole (63); a mounting step (64) is formed at the connection between the guide hole (61) and the intermediate hole (62); and a lifting spring is installed between the protruding ring (10) and the mounting step (64).

5. The gene testing instrument kit according to claim 4, characterized in that: A guide arc surface (65) is formed between the installation step (64) and the middle hole (62).

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