PCR kit
By designing the limiting part and the cover limiting structure of the PCR kit, the safety and stability issues of the test tubes during the use and transportation process are solved, the test tubes can be stably clamped and collisions can be prevented, and biochemical contamination can be avoided.
Patent Information
- Application Number
- CN202423129840.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-18
AI Technical Summary
Existing PCR kits are prone to lifting the entire base when taking out the test tube, causing the test tube to fall or break, which has low safety and convenience, and is prone to biochemical contamination due to collision during transportation.
A PCR kit was designed, which included a box body, positioning holes, a base, a splint and a cover. The mounting block was driven by a limiter to slide the splint away from the test tube, and the base was pushed out by a spring reset. The top of the test tube was fixed in combination with the limit plate of the cover to ensure the stability of the test tube during transportation.
The safety and stability of the test tube during use and transportation are improved, the test tube is avoided from tipping over and collision, and biochemical contamination is prevented.
Smart Images

Figure CN223457356U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to reagent box production technical field especially relates to a PCR reagent box. BACKGROUND
[0002] The reagent box is a box for containing chemical reagents such as detection chemical components, virus species, and is generally used in hospitals and pharmaceutical enterprises, and the PCR reagent box is a reagent box based on PCR detection, and the PCR detection is a biological technical means, which has important significance for rapid diagnosis of bacterial infectious diseases in clinical practice, and is most widely used in nucleic acid detection.
[0003] The common reagent box is usually fixed by a foam base, and the test tube can be inserted into the reserved hole of the foam base during use.
[0004] The above method for fixing the test tube is often easy to lift the whole base when taking the test tube, which may cause the test tube to be overturned or even broken, and the safety and convenience are low, and the test tube is also easy to be broken due to collision during transportation, causing biochemical pollution. UTILITY MODEL CONTENTS
[0005] The utility model discloses a PCR reagent box, which can solve the problem that the whole base is often lifted when taking the test tube, which may cause the test tube to be overturned or even broken, and the safety and convenience are low, and the test tube is also easy to be broken due to collision during transportation, causing biochemical pollution.
[0006] In order to achieve the above object, the utility model adopts the following technical scheme:
[0007] A PCR reagent box comprises a box body, a positioning hole, a base slidably installed at the bottom of the positioning hole, a first spring fixedly connected between the bottom of the base and the inner wall of the positioning hole, a sliding groove opened in the box body, a mounting block slidably installed in the sliding groove, a clamping plate fixedly connected to one end of the mounting block close to the positioning hole, and a limiting portion provided on the box body and driving the clamping plate to approach or move away from the middle part of the positioning hole.
[0008] In order to control the clamping plate to stably clamp the test tube, preferably, the limiting portion comprises a second spring fixedly installed at one end of the mounting block away from the positioning hole, and the other end of the second spring is fixedly connected with the inner wall of the sliding groove.
[0009] In order to better adjust the position of the clamping plate, preferably, the box body is slidably provided with a longitudinal connecting rod, a roller is rotatably arranged on the lower portion of the connecting rod, a fixing groove is formed in the top portion of the mounting block, and a slope is arranged in the fixing groove, wherein the roller is in contact with the slope of the fixing groove, a pressing plate is fixedly connected to the connecting rod, an adjusting groove is formed in the top portion of the box body, and the pressing plate is slidably arranged in the adjusting groove.
[0010] In order to limit the top portion of the test tube, preferably, the top portion of the box body is hingedly provided with a cover body, and a limiting plate matched with the positioning hole is fixedly connected to the bottom portion of the cover body.
[0011] In order to limit the cover body, further, an installation strip is fixedly connected to the outer side of the cover body, a limiting groove is formed in the side wall of the installation strip, a fixing block is fixedly connected to the outer side of the box body, a limiting rod is slidably arranged on the fixing block, and the limiting rod is inserted into the limiting groove.
[0012] In order to facilitate the opening and closing of the cover body, still further, a sliding groove is formed in the inner portion of the fixing block, a limiting ring is fixedly connected to the limiting rod, the limiting ring is slidably connected with the inner wall of the sliding groove, and a third spring is fixedly connected between the limiting ring and the inner wall of the sliding groove.
[0013] Compared with the prior art, the PCR kit has the following advantages
[0014] Beneficial effects:
[0015] 1. The PCR kit, by the limiting portion driving the mounting block to slide into the sliding groove, the mounting block drives the clamping plate to move away from the test tube, at this time, the test tube is not limited, the first spring resets, drives the base to push the test tube upward, and the test tube is more safe and convenient to take out, and collision is not easy to occur in the transfer process, and biochemical pollution is avoided.
[0016] 2. The PCR kit, by closing the cover body, the limiting plate extends into the positioning hole, the top portion of the test tube is limited, upward displacement of the test tube in the transfer process is prevented, and stability in the transfer process is improved. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 The utility model provides a kind of box body cut structure schematic diagram of PCR kit of the utility model proposes;
[0018] Figure 2 The utility model provides a kind of box body cut structure schematic diagram of PCR kit of the utility model proposes;
[0019] Figure 3 The utility model provides a kind of mounting block cut structure schematic diagram of PCR kit of the utility model proposes;
[0020] Figure 4 A cover structure schematic view of a PCR kit is provided in the utility model.
[0021] Figure 5 A fixed block cut structure schematic view of a PCR kit is provided in the utility model.
[0022] In the figure: 1, box body;201, sliding groove;202, mounting block;203, clamping plate;204, second spring;205, connecting rod;206, roller;207, fixed groove;208, pressing plate;209, adjusting groove;3, positioning hole;4, base;5, first spring;6, cover;7, limiting plate;8, mounting strip;9, limiting groove;10, fixed block;11, limiting rod;12, sliding groove;13, limiting ring;14, third spring. Specific embodiments
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0024] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0025] Embodiment:
[0026] Reference Figures 1-5The utility model embodiment provides a PCR kit, including box body 1, setting is cuboid shape, still including positioning hole 3, can be rectangular and cylindrical, preferably cylindrical, more adapt to the shape of test tube, open in the top of box body 1, wherein, the bottom of positioning hole 3 is slidably installed with base 4, the top of base 4 is opened with the slot of the test tube bottom adaptation, the slot is fixedly installed with sponge pad, is used for preventing the collision to test tube bottom, the bottom of base 4 and the inner wall between positioning hole 3 are fixedly connected with first spring 5, the sliding slot 201 of opening in the inside of box body 1, wherein, sliding slot 201 is communicated with positioning hole 3, the inner sliding of sliding slot 201 is installed with mounting block 202, and one end of mounting block 202 close to positioning hole 3 is fixedly connected with clamping plate 203, clamping plate 203 is provided with at least three, and it is annular equidistance setting relative to positioning hole 3, the inner side of clamping plate 203 is set as arc, is used for the outer wall of test tube, the inner side of clamping plate 203 is fixedly installed with rubber pad, is used for protecting test tube, and the limiting portion of box body 1 is set up, and drive clamping plate 203 close to or away from the middle part of positioning hole 3.
[0027] When taking out test tube, mounting block 202 is slid to the inside of sliding slot 201 through the limiting portion, and clamping plate 203 is driven away from the test tube by mounting block 202, at this time, the test tube is not limited, the first spring 5 resets, and the base 4 is pushed out of the test tube, so that the test tube is taken out more safely and conveniently, and collision does not easily occur in the transfer process, and biochemical pollution is avoided.
[0028] The limiting portion includes the second spring 204 fixedly installed at one end of the mounting block 202 away from the positioning hole 3, the mounting block 202 extends out of the sliding slot 201 in the initial state, the other end of the second spring 204 is fixedly connected with the inner wall of the sliding slot 201, the longitudinal connecting rod 205 is slidably installed on the box body 1, the roller 206 is rotatably installed below the connecting rod 205, the fixing groove 207 is opened at the top of the mounting block 202, the inclined surface is arranged in the fixing groove 207, when the roller 206 presses the inclined surface, the mounting block 202 is extruded, so that the mounting block 202 compresses the second spring 204, wherein, the roller 206 is in contact with the inclined surface of the fixing groove 207, the pressing plate 208 is fixedly connected on the connecting rod 205, the adjusting groove 209 is opened at the top of the box body 1, and the pressing plate 208 is longitudinally slidably installed in the adjusting groove 209, in the initial state, the pressing plate 208 and the connecting rod 205 are flush with the surface of the box body 1.
[0029] When the test tube is installed and taken out, when the test tube is installed, the two pressing plates 208 are pressed at the same time, and the pressing plates 208 are brought into the adjusting groove 209, the pressing plate 208 drives the connecting rod 205 to slide downward, the connecting rod 205 drives the roller 206 to press the inclined surface, so that the mounting block 202 slides into the sliding groove 201 and compresses the second spring 204, at the same time, the mounting block 202 drives the clamping plate 203 to move synchronously, the clamping plate 203 is away from the middle part of the positioning hole 3, then the test tube is put into the positioning hole 3, and the bottom of the test tube is pressed downwardly on the pedestal 4, so that the pedestal 4 compresses the first spring 5, then the pressing plate 208 is released, the second spring 204 is reset, so that the mounting block 202 pushes the clamping plate 203 to be close to the test tube and clamps and fixes the test tube, when the test tube is taken out, the above steps are fully performed, the clamping plate 203 is away from the test tube, at this time, the test tube can be held on the edge of the test tube to prevent the pedestal 4 from being ejected from the test tube, and the test tube is inclined or collides with the inner wall of the positioning hole 3.
[0030] The top of the box body 1 is hinged with a cover body 6, a handle is rotatably installed on the cover body 6, and the handle is used to lift the box body 1. The bottom of the cover body 6 is fixedly connected with a limiting plate 7 matched with the positioning hole 3. The positioning hole 3 is provided with 3-5 groups, preferably 4 groups. Each group of positioning holes 3 is provided with 4-6, and preferably 5, equidistantly arranged. The limiting plate 7 corresponds to the positioning hole 3 one by one and is matched with the shape of the positioning hole 3. When the cover body 6 is closed, the limiting plate 7 extends into the positioning hole 3 to limit the top of the test tube. The outer side of the cover body 6 is fixedly connected with a mounting strip 8. The side wall of the mounting strip 8 is provided with a limiting groove 9. The outer side of the box body 1 is fixedly connected with a fixed block 10. The fixed block 10 is slidably connected with a limiting rod 11. The limiting rod 11 is inserted into the limiting groove 9. The inside of the fixed block 10 is provided with a sliding groove 12. The limiting rod 11 is fixedly connected with a limiting ring 13. The limiting ring 13 is fixedly connected to the circumferential surface of the limiting rod 11. The diameter of the limiting ring 13 is greater than the diameter of the limiting rod 11, so as to prevent the limiting rod 11 from falling off the fixed block 10. The limiting rod 11 is transversely arranged. The limiting ring 13 is slidably connected with the inner wall of the sliding groove 12. The third spring 14 is fixedly connected between the limiting ring 13 and the inner wall of the sliding groove 12.
[0031] Before transportation, the cover body 6 is closed, the limiting plate 7 extends into the positioning hole 3 to limit the top of the test tube, and the upward displacement of the test tube in the transportation process is prevented, so as to improve the stability in the transportation process. When the cover body 6 is closed, the limiting rod 11 is pulled outward, the limiting rod 11 drives the limiting ring 13 to move synchronously, the limiting ring 13 slides along the sliding groove 12 and compresses the third spring 14, so that one end of the limiting rod 11 enters the fixed block 10, then the cover body 6 is closed, at this time, the mounting strip 8 corresponds to the fixed block 10, the limiting rod 11 is released, the third spring 14 is reset, and the limiting rod 11 is inserted into the limiting groove 9.
[0032] When the PCR kit is installed, the two pressing plates 208 are pressed at the same time, and the pressing plates 208 are moved into the adjusting groove 209, the connecting rod 205 is driven by the pressing plates 208 to slide downward, the connecting rod 205 drives the roller 206 to press the inclined surface, the mounting block 202 is slid into the sliding groove 201 and the second spring 204 is compressed, the mounting block 202 drives the clamping plate 203 to move synchronously, the clamping plate 203 is away from the middle part of the positioning hole 3, then the test tube is placed into the positioning hole 3, the bottom of the test tube is pressed against the base 4, the base 4 is compressed, the first spring 5 is compressed, then the pressing plates 208 are released, the second spring 204 is reset, the mounting block 202 pushes the clamping plate 203 to be close to the test tube and clamps and fixes the test tube, when the test tube is taken out, the above steps are performed, the clamping plate 203 is away from the test tube, at this time, the test tube is not limited, the first spring 5 is reset, and the base 4 is pushed upward to take out the test tube.
[0033] When the cover body 6 is closed, the limiting rod 11 is pulled outward, the limiting rod 11 drives the limiting ring 13 to move synchronously, the limiting ring 13 slides along the sliding groove 12 and compresses the third spring 14, one end of the limiting rod 11 is inserted into the fixed block 10, then the cover body 6 is closed, at this time, the mounting strip 8 corresponds to the fixed block 10, the limiting rod 11 is released, the third spring 14 is reset, the limiting rod 11 is inserted into the limiting groove 9, at this time, the limiting plate 7 extends into the positioning hole 3 and limits the top of the test tube, preventing the test tube from moving upward in the transportation process.
[0034] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A PCR kit comprising a cartridge (1), characterized in that, Also include: Positioning hole (3), open in the top of the box (1), Wherein the bottom of the positioning hole (3) is slidingly installed with a base (4), and the bottom of the base (4) and the inner wall of the positioning hole (3) are fixedly connected with a first spring (5); The chute (201) is communicated with the positioning hole (3), and the inner wall of the chute (201) is slidingly installed with the mounting block (202), and one end of the mounting block (202) close to the positioning hole (3) is fixedly connected with the clamping plate (203), and the box (1) is provided with a limiting portion for driving the clamping plate (203) to be close to or away from the middle of the positioning hole (3). The limiting portion includes a second spring (204) fixedly installed at one end of the mounting block (202) away from the positioning hole (3), and the other end of the second spring (204) is fixedly connected with the inner wall of the chute (201).
2. The PCR kit according to claim 1, characterized in that, The box (1) is slidingly installed with a longitudinally arranged connecting rod (205), and the lower portion of the connecting rod (205) is rotatably installed with a roller (206), and the top of the mounting block (202) is provided with a fixed groove (207), and the fixed groove (207) is provided with an inclined surface, 3. The PCR kit according to claim 1, characterized in that, Wherein the roller (206) is in contact with the inclined surface of the fixed groove (207), the connecting rod (205) is fixedly connected with a pressing plate (208), the top of the box (1) is provided with an adjusting groove (209), and the pressing plate (208) is slidingly installed in the adjusting groove (209). The top of the box (1) is hingedly connected with a cover (6), and the bottom of the cover (6) is fixedly connected with a limiting plate (7) matched with the positioning hole (3).
4. The PCR kit according to claim 1, characterized in that, The outer side of the cover (6) is fixedly connected with a mounting strip (8), and the side wall of the mounting strip (8) is provided with a limiting groove (9), and the outer side of the box (1) is fixedly connected with a fixed block (10), and the fixed block (10) is slidingly installed with a limiting rod (11), and the limiting rod (11) is inserted into the limiting groove (9).
5. The PCR kit according to claim 4, characterized in that, The inner portion of the fixed block (10) is provided with a sliding groove (12), the limiting rod (11) is fixedly connected with a limiting ring (13), the limiting ring (13) is slidingly connected with the inner wall of the sliding groove (12), and the limiting ring (13) and the inner wall of the sliding groove (12) are fixedly connected with a third spring (14).
6. The PCR kit according to claim 5, characterized in that,