Detection consumable and detection equipment

Abstract

The detection consumable comprises a liquid injection push rod, a detection assembly and a sealing assembly, the detection assembly comprises a sample tube, a reaction tube and a push cover, the liquid injection push rod is arranged in the sample tube, two ends of the sample tube are respectively provided with a mounting hole and a mounting groove, the push cover is movably arranged in the mounting hole, and the reaction tube is arranged in the mounting hole. The reaction tube extends into the mounting groove and is connected with the sample tube, and a sealing film is arranged on the reaction tube; the sealing assembly comprises a first sealing sleeve and a second sealing sleeve, the first sealing sleeve is arranged on the pushing and pressing cover and abuts against the hole wall of the mounting hole, and the second sealing sleeve is arranged on the reaction tube and abuts against the groove side wall of the mounting groove. In the detection consumable, the sample tube and the pressing cover are sealed through the first sealing sleeve, and the sample tube and the reaction tube are sealed through the second sealing sleeve, so that the sample tube and the reaction tube are always kept in a closed state, impurities are prevented from entering the sample tube and the reaction tube to pollute a sample, and the accuracy of a detection result is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the in-vitro diagnosis technical field, specifically related to a kind of detection consumables and detection equipment. BACKGROUND

[0002] Currently, in the process of sample detection, the collected sample is usually first put into a treatment liquid for treatment and to form a sample liquid, and then the sample liquid is mixed with a detection reagent for subsequent sample detection processes such as nucleic acid extraction and PCR amplification. In the process of sample collection, transfer, treatment and mixing, impurities such as dust and particulate matter in the external environment are easily mixed into the sample liquid and detection reagent, causing sample contamination and reducing the accuracy of the detection results. SUMMARY

[0003] To overcome the above-mentioned defects or shortcomings, the utility model provides a kind of detection consumables and detection equipment, to solve the technical problem that impurities in external environment are easily to cause sample pollution, leading to low sample detection accuracy.

[0004] To achieve the above purpose, the utility model provides a kind of detection consumables, and the detection consumables includes:

[0005] A liquid injection push rod;

[0006] A detection assembly including a sample tube, a reaction tube and a push cover, the liquid injection push rod is arranged in the sample tube, both ends of the sample tube are provided with mounting holes and mounting grooves respectively, the push cover is movably arranged in the mounting hole, the reaction tube is inserted into the mounting groove and connected with the sample tube, a sealing film is arranged on the reaction tube, and the push cover is used to push the liquid injection push rod to pierce the sealing film and connect the sample tube and the reaction tube.

[0007] A sealing assembly including a first sealing sleeve and a second sealing sleeve, the first sealing sleeve is arranged on the push cover and abuts with the hole wall of the mounting hole, and the second sealing sleeve is arranged on the reaction tube and abuts with the groove side wall of the mounting groove.

[0008] In the utility model embodiment, the push cover includes a cover body and a sealing cover plate, one end of the cover body abuts with the liquid injection push rod, the sealing cover plate is arranged on the other end of the cover body and blocks the mounting hole, and the first sealing sleeve is arranged on the cover body; a first positioning convex ring is arranged on the first sealing sleeve, and a first positioning groove is arranged on the cover body for the first positioning convex ring to extend into.

[0009] In the utility model embodiment, the reaction tube includes a connecting section and a reaction section, the connecting section is connected in the mounting groove, one end of the connecting section abuts with the groove bottom wall of the mounting groove and is provided with a sealing film, the reaction section is connected with the other end of the connecting section, and the second sealing sleeve is arranged on the connecting section and abuts with the groove bottom wall of the mounting groove.

[0010] In the embodiment of the utility model, the connecting section is provided with a clamping protruding ring, a clamping groove for the clamping protruding ring to extend into is formed in the groove side wall of the mounting groove, and the second sealing sleeve is located on the side of the clamping protruding ring away from the reaction section.

[0011] In the embodiment of the utility model, the sample tube has a liquid storage cavity, a flow guide cavity and a liquid injection cavity, one end of the flow guide cavity communicates with the liquid storage cavity, the other end of the flow guide cavity communicates with the liquid injection cavity, the liquid injection cavity communicates with the mounting groove, and the size of the flow guide cavity is gradually reduced in a direction away from the liquid storage cavity.

[0012] In the embodiment of the utility model, a plurality of liquid injection limiting columns are arranged in the flow guide cavity, the plurality of liquid injection limiting columns are arranged in a ring shape and at intervals along the outer periphery of the liquid injection cavity, a guide channel is formed between the plurality of liquid injection limiting columns, and the liquid injection push rod is movably extended into the guide channel.

[0013] In the embodiment of the utility model, the liquid injection push rod is provided with a separation guide plate, the separation guide plate is matched with the liquid storage cavity, and at least two placement openings are formed in the separation guide plate at intervals.

[0014] In the embodiment of the utility model, the sample tube comprises a tube body and a packaging cover, the liquid injection push rod is arranged in the tube body, one end of the tube body is provided with a mounting groove, and the other end of the tube body is detachably connected with the packaging cover and is provided with a mounting hole.

[0015] And / or, the detection consumables further comprise a protective cover, the protective cover is arranged at one end of the sample tube and covers the outside of the reaction tube.

[0016] In the embodiment of the utility model, the second sealing sleeve is provided with a second positioning protruding ring, and the groove side wall of the mounting groove is provided with a second positioning groove for the second positioning protruding ring to extend into.

[0017] And / or, a connecting ring groove is formed at one end of the sample tube, the connecting ring groove is arranged outside the mounting groove, and a plurality of third reinforcing ribs are arranged in the connecting ring groove at intervals.

[0018] In order to achieve the above-mentioned purpose, the utility model further provides a detection equipment, which comprises the detection consumables as described above.

[0019] Through the above technical scheme, the detection consumables and the detection equipment provided by the embodiment of the utility model have the following beneficial effects:

[0020] In the technical scheme of the utility model, the sample tube contains processing liquid, the reaction tube contains detection reagent, and the reaction tube is provided with a sealing film for sealing and storing the detection reagent, the collected sample is put into the sample tube to mix the sample with the processing liquid and form sample liquid, the pressing cap is pushed from the installation hole to the sample tube, the pressing cap pushes the liquid injection push rod to move towards the reaction tube, the liquid injection push rod is used to break the sealing film so that the sample liquid flows from the sample tube into the reaction tube and mixes with the detection reagent, and the pretreatment and mixing of the sample for detection are completed. In the detection consumable of the utility model, the sample tube and the pressing cap are sealed by the first sealing sleeve, and the sample tube and the reaction tube are sealed by the second sealing sleeve, so that the sample tube and the reaction tube always remain in a closed state, effectively preventing dust, particulate matter and other impurities in the external environment from entering the sample tube and the reaction tube and polluting the sample, and improving the accuracy of the sample detection result.

[0021] Other features and advantages of the embodiments of the present application will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0022] The accompanying drawings are included to provide a further understanding of the embodiments of the present application, and constitute a part of the specification, and are used together with the following specific embodiments to explain the embodiments of the present application, but do not constitute a limitation on the embodiments of the present application. For those skilled in the art, other drawings can be obtained from the structures shown in the drawings without creative labor. In the drawings:

[0023] Figure 1 is an assembly structure schematic view of the detection consumable according to an embodiment of the present application;

[0024] Figure 2 is a sectional structure schematic view of the detection consumable according to an embodiment of the present application;

[0025] Figure 3 is an exploded structure schematic view of the detection consumable according to an embodiment of the present application;

[0026] Figure 4 is a structure schematic view of the pressing cap and the first sealing sleeve according to an embodiment of the present application;

[0027] Figure 5 is a structure schematic view of the reaction tube and the second sealing sleeve according to an embodiment of the present application;

[0028] Figure 6 is a structure schematic view of the tube body at one viewing angle according to an embodiment of the present application;

[0029] Figure 7is a structural schematic view of the pipe body at another viewing angle according to an embodiment of the utility model;

[0030] Figure 8 is a structural schematic view of the liquid injection push rod according to an embodiment of the utility model.

[0031] Explanation of reference signs

[0032] 10 liquid injection push rod 271 anti-skid lines

[0033] 11 separation guide plate 28 connecting ring groove

[0034] 111 placing opening 281 third reinforcing rib

[0035] 112 second reinforcing rib 30 reaction tube

[0036] 20 sample tube 31 sealing film

[0037] 21 mounting hole 32 connecting section

[0038] 22 mounting groove 321 clamping convex ring

[0039] 221 clamping concave groove 33 reaction section

[0040] 222 second positioning concave groove 331 first reinforcing rib

[0041] 23 liquid storage cavity 40 push cover

[0042] 24 flow guide cavity 41 cover body

[0043] 241 liquid injection limiting column 411 first positioning concave groove

[0044] 2411 arc-shaped limiting surface 42 sealing cover plate

[0045] 2412 avoidance guide surface 50 first sealing sleeve

[0046] 242 guide channel 51 first positioning convex ring

[0047] 25 liquid injection cavity 60 second sealing sleeve

[0048] 26 pipe body 61 second positioning convex ring

[0049] 261 limiting convex platform 70 protective cover

[0050] 27 packaging cover 80 third sealing sleeve DETAILED DESCRIPTION

[0051] The specific embodiments of the present application are described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely intended to illustrate and explain the present application, and are not intended to limit the present application.

[0052] The detection consumable of the present application is described below with reference to the accompanying drawings.

[0053] As shown in Figures 1 to 5 The present application provides a detection consumable, which comprises a liquid injection push rod 10, a detection assembly and a sealing assembly. The detection assembly comprises a sample tube 20, a reaction tube 30 and a push cover 40. The liquid injection push rod 10 is arranged in the sample tube 20. The sample tube 20 is provided with a mounting hole 21 and a mounting groove 22 at two ends thereof. The push cover 40 is movably arranged in the mounting hole 21. The reaction tube 30 extends into the mounting groove 22 and is connected with the sample tube 20. The reaction tube 30 is provided with a sealing film 31. The push cover 40 is used to push the liquid injection push rod 10 to pierce the sealing film 31 and connect the sample tube 20 and the reaction tube 30. The sealing assembly comprises a first sealing sleeve 50 and a second sealing sleeve 60. The first sealing sleeve 50 is arranged on the push cover 40 and abuts against the hole wall of the mounting hole 21. The second sealing sleeve 60 is arranged on the reaction tube 30 and abuts against the groove side wall of the mounting groove 22.

[0054] Specifically, one end of the sample tube 20 is provided with the mounting hole 21. The push cover 40 is arranged in the mounting hole 21. The first sealing sleeve 50 is arranged on the push cover 40. The first sealing sleeve 50 is clamped between the push cover 40 and the hole wall of the mounting hole 21. The liquid injection push rod 10 is arranged in the sample tube 20 and abuts against the push cover 40. The other end of the sample tube 20 is provided with the mounting groove 22. The reaction tube 30 extends into the mounting groove 22 and is connected with the sample tube 20. The second sealing sleeve 60 is arranged on the reaction tube 30 and is clamped between the reaction tube 30 and the groove side wall of the mounting groove 22. When the detection consumable is used, the sample tube 20 is filled with a treatment liquid. The reaction tube 30 is filled with a detection reagent. The reaction tube 30 is provided with the sealing film 31 for sealing and storing the detection reagent. The collected sample is put into the sample tube 20 to mix with the treatment liquid and form a sample liquid. The push cover 40 is pushed into the sample tube 20 from the mounting hole 21. The push cover 40 pushes the liquid injection push rod 10 to move towards the reaction tube 30. The liquid injection push rod 10 is used to pierce the sealing film 31 so that the sample liquid flows from the sample tube 20 into the reaction tube 30 and mixes with the detection reagent. Thus, the pretreatment and mixing of the sample for detection are completed.

[0055] In the detection consumables of the utility model, the sample tube 20 and the pressing cover are sealed through the first sealing sleeve 50, the sample tube 20 and the reaction tube 30 are sealed through the second sealing sleeve 60, the sample tube 20 and the reaction tube 30 are kept in a closed state all the time, dust, particulate matter and other impurities in the external environment are prevented from entering the sample tube 20 and the reaction tube 30 to pollute the sample, and the accuracy of the sample detection result is improved. In addition, it can be understood that the driving mode of the pressing cover 40 can adopt manual driving, hydraulic driving or electric driving, and the detection consumables of the utility model do not limit the driving mode of the pressing cover 40.

[0056] In the utility model embodiment, the pressing cover 40 includes cover body 41 and sealing cover plate 42, one end of cover body 41 is abutted with liquid injection push rod 10, sealing cover plate 42 is arranged at the other end of cover body 41 and blocks mounting hole 21, and first sealing sleeve 50 is arranged on cover body 41. Figures 2 to 4 As shown in the figure, cover body 41 is movably arranged in mounting hole 21 and is used to push liquid injection push rod 10, so that liquid injection push rod 10 moves towards reaction tube 30 and pierces sealing film 31, sample liquid in sample tube 20 can flow into reaction tube 30 and mix with detection reagent under the condition that sealing film 31 is broken, and the sample liquid and detection reagent are kept in sample tube 20 and reaction tube 30 in a closed state during the mixing process, impurities are prevented from polluting the sample, and one end of cover body 41 away from liquid injection push rod 10 is provided with sealing cover plate 42, the size of sealing cover plate 42 is matched with the size of mounting hole 21 to block mounting hole 21, sealing cover plate 42 and first sealing sleeve 50 both play the role of sealing mounting hole 21, further prevent external impurities from entering sample tube 20, and improve the sealing reliability.

[0057] Further, first positioning convex ring 51 is arranged on first sealing sleeve 50, and first positioning groove 411 is formed in the outer side of cover body 41. Figures 2 to 4 As shown in the figure, the inner side of first sealing sleeve 50 is provided with first positioning convex ring 51, the outer side of cover body 41 is provided with first positioning groove 411, first positioning convex ring 51 is connected with first positioning groove 411 in a clamping mode to increase the connection stability of first sealing sleeve 50 and cover body 41, so that first sealing sleeve 50 can be stably sleeved on cover body 41 during the process of pushing liquid injection push rod 10, and the sealing reliability is further improved.

[0058] In the utility model embodiment, reaction tube 30 includes connecting section 32 and reaction section 33, connecting section 32 is connected in mounting groove 22, one end of connecting section 32 is abutted with the groove bottom wall of mounting groove 22 and is provided with sealing film 31, reaction section 33 is connected with the other end of connecting section 32, and second sealing sleeve 60 is arranged on connecting section 32 and is abutted with the groove bottom wall of mounting groove 22.

[0059] As Figure 3 and Figure 5 As shown in the figure, the reaction section 33 is in communication with the connecting section 32 and is used to contain the detection reagent, the connecting section 32 is provided with a sealing film 31 to seal the detection reagent, prevent external impurities from entering the reaction section 33 to pollute the detection reagent, the connecting section 32 extends into the mounting groove 22 and is sleeved with a second sealing sleeve 60, the second sealing sleeve 60 is clamped between the groove side wall of the mounting groove 22 and the connecting section 32, and the second sealing sleeve 60 and the connecting section 32 are in abutment with the groove bottom wall of the mounting groove 22, so as to enhance the sealing reliability of the second sealing sleeve 60 to the connecting place of the sample tube 20 and the reaction tube 30, prevent external impurities from entering the sample tube 20 or the reaction tube 30 from the mounting groove 22, and the second sealing sleeve 60 is flush with the end of the connecting section 32 away from the reaction section 33, thereby improving the assembly convenience of the second sealing sleeve 60 and the reaction tube 30.

[0060] In the embodiment of the utility model, the connecting section 32 is provided with a clamping convex ring 321, the groove side wall of the mounting groove 22 is provided with a clamping groove 221 for the clamping convex ring 321 to extend into, and the second sealing sleeve 60 is located on the side of the clamping convex ring 321 away from the reaction section 33. Figures 5 to 7 As shown in the figure, the outer side of the connecting section 32 is provided with a clamping convex ring 321, the groove side wall of the mounting groove 22 is provided with a clamping groove 221, the clamping convex ring 321 and the clamping groove 221 are clamped and matched to install the connecting section 32 in the connecting groove, the connection is stable and reliable, and the second sealing sleeve 60 is located between the clamping convex ring 321 and the groove bottom wall of the mounting groove 22, so that the clamping convex ring 321 and the second sealing sleeve 60 can both block the mounting groove 22, further improving the sealing reliability.

[0061] Further, the second sealing sleeve 60 is provided with a second positioning convex ring 61, and the groove side wall of the mounting groove 22 is provided with a second positioning groove 222 for the second positioning convex ring 61 to extend into. Figures 5 to 7 As shown in the figure, the outer side of the second sealing sleeve 60 is provided with a second positioning convex ring 61, the groove side wall of the mounting groove 22 is provided with a second positioning groove 222, the second positioning convex ring 61 and the second positioning groove 222 are clamped and matched to increase the connection stability of the second sealing sleeve 60 and the sample tube 20, thereby improving the sealing reliability and structural stability.

[0062] In the embodiment of the utility model, the sample tube 20 has a liquid storage cavity 23, a flow guide cavity 24 and a liquid injection cavity 25, one end of the flow guide cavity 24 is in communication with the liquid storage cavity 23, the other end of the flow guide cavity 24 is in communication with the liquid injection cavity 25, the liquid injection cavity 25 is in communication with the mounting groove 22, and the size of the flow guide cavity 24 is tapered in the direction away from the liquid storage cavity 23.

[0063] As Figure 2 and Figure 3As shown, the liquid storage cavity 23, the flow guide cavity 24 and the liquid injection cavity 25 are sequentially communicated along the extension direction of the sample tube 20, the liquid injection push rod 10 is movably arranged in the liquid storage cavity 23 to pass through the flow guide cavity 24 and the liquid injection cavity 25 and pierce the sealing film 31 on the reaction tube 30, so that the sample liquid in the liquid storage cavity 23 can flow into the reaction tube 30 along the flow guide cavity 24 and mix with the detection reagent, the size of the flow guide cavity 24 gradually reduces from the liquid storage cavity 23 in the direction towards the liquid injection cavity 25 to play a role of guiding the sample liquid, improve the flow smoothness of the sample liquid, effectively prevent the sample liquid from remaining in the liquid storage cavity 23, improve the accuracy of the detection result, and the liquid storage cavity 23 is also used for containing magnetic beads, the inclined arrangement of the cavity wall of the flow guide cavity 24 can also play a guiding role of the rolling of the magnetic beads, so that the magnetic beads roll along the cavity wall of the flow guide cavity 24 into the reaction tube 30, and then the subsequent magnetic attraction mixing treatment of the sample liquid and the detection reagent is facilitated, the rolling smoothness of the magnetic beads is improved, and the magnetic beads are prevented from being stuck in the liquid storage cavity 23.

[0064] In the embodiment of the utility model, a plurality of liquid injection limiting columns 241 are arranged in the flow guide cavity 24, the plurality of liquid injection limiting columns 241 are arranged in a ring direction and are spaced apart along the outer periphery of the liquid injection cavity 25, and a guide channel 242 is formed between the plurality of liquid injection limiting columns 241, and the liquid injection push rod 10 is movably inserted into the guide channel 242.

[0065] As shown in Figure 2 and Figure 3 , the plurality of liquid injection limiting columns 241 are arranged in a ring direction and are spaced apart on the cavity wall of the flow guide cavity 24, and the guide channel 242 for the insertion of the liquid injection push rod 10 is formed between the plurality of liquid injection limiting columns 241, the push cover 40 pushes the liquid injection push rod 10 to move towards the sealing film 31, and the plurality of liquid injection limiting columns 241 are all used for abutting against the liquid injection push rod 10 to limit the deflection or shaking of the liquid injection push rod 10 during the movement, the guide channel 242 plays a role of guiding the movement of the liquid injection push rod 10, so that the liquid injection push rod 10 can pierce the sealing film 31 to communicate the liquid injection cavity 25 and the reaction tube 30, and the movement smoothness and use reliability of the liquid injection push rod 10 are improved.

[0066] Further, the liquid injection limiting column 241 is provided with an arc-shaped limiting surface 2411 on the side facing the guide channel 242, and the liquid injection limiting column 241 is further provided with two avoiding guide surfaces 2412, the two avoiding guide surfaces 2412 are arranged on the two sides of the arc-shaped limiting surface 2411 in opposite directions, and the distance between the two avoiding guide surfaces 2412 is arranged in a tapering manner away from the guide channel 242.

[0067] As shown in Figure 6 and Figure 7As shown, the liquid injection limiting column 241 has an arc-shaped limiting surface 2411 and two avoiding guide surfaces 2412, the arc-shaped limiting surface 2411 is arranged towards the guide channel 242 and is used to enclose the guide channel 242, the two avoiding guide surfaces 2412 are connected with the two sides of the arc-shaped limiting surface 2411 respectively, and the sides of the two avoiding guide surfaces 2412 away from the arc-shaped limiting surface 2411 are connected with each other, so that the distance between the two avoiding guide surfaces 2412 gradually reduces along the direction away from the guide channel 242, the contact area of the liquid injection limiting column 241 with the sample liquid and the magnetic beads is reduced, thereby playing a role of avoiding the sample liquid and the magnetic beads, preventing the sample liquid from remaining or the magnetic beads from being stuck, and the avoiding guide surfaces 2412 can also play a role of guiding the flow of the sample liquid and the rolling of the magnetic beads, further improving the flow smoothness of the sample liquid and the rolling smoothness of the magnetic beads.

[0068] Further, as shown in Figure 2 、 Figure 3 and Figure 8 , the sealing assembly further comprises a third sealing sleeve 80, the third sealing sleeve 80 is arranged on the liquid injection push rod 10, the arc-shaped limiting surface 2411 can abut against the third sealing sleeve 80 to limit the liquid injection push rod 10, preventing the liquid injection push rod 10 from being deflected or shaken, and the arc-shaped limiting surface 2411 is arranged in an arc shape and is adapted to the third sealing sleeve 80 to prevent moving interference to the third sealing sleeve 80, improving the moving smoothness of the liquid injection push rod 10, and the third sealing sleeve 80 is used to block the liquid injection cavity 25 after the liquid injection push rod 10 pierces the sealing film 31 and the sample liquid is quantitatively flowed into the reaction tube 30, not only improving the sealing property of the reaction tube 30, but also realizing quantitative liquid injection of the sample liquid.

[0069] In the embodiment of the utility model, the liquid injection push rod 10 is provided with a separation guide plate 11, the separation guide plate 11 is adapted to the liquid storage cavity 23, and at least two interval arranged placing openings 111 are formed in the separation guide plate 11. Figure 2 、 Figure 3 and Figure 8 As shown, the size of the separation guide plate 11 is adapted to the size of the liquid storage cavity 23 to guide the movement of the liquid injection push rod 10, further preventing the liquid injection push rod 10 from being deflected or shaken, and the separation guide plate 11 is provided with the placing openings 111, the placing openings 111 are used for placing the sample swab carrying the sample into the liquid storage cavity 23, so that the sample on the sample swab is mixed with the treatment liquid to form the sample liquid, and the number of the placing openings 111 is at least two, and the two placing openings 111 can be used for placing the sample swab, improving the placing convenience and flexibility.

[0070] In the embodiment of the utility model, sample tube 20 includes pipe body 26 and encapsulation cover 27, liquid injection push rod 10 is arranged in pipe body 26, one end of pipe body 26 is provided with mounting groove 22, and encapsulation cover 27 is detachably connected to the other end of pipe body 26 and is provided with mounting hole 21. Figure 2 And Figure 3 As shown in the figure, mounting hole 21 is arranged on encapsulation cover 27, and push cover 40 is arranged in mounting hole 21, and encapsulation cover 27 is detachably connected with pipe body 26 to facilitate placing sampling swab in pipe body 26 from placing opening 111, and encapsulation cover 27 is used for sealing pipe body 26, and first sealing sleeve 50 is sealed between the hole wall of mounting hole 21 and push cover 40, so that pipe body 26 is always kept airtight, and pollution to the sample is prevented.

[0071] In the preferred embodiment of the utility model, encapsulation cover 27 is threadedly connected with pipe body 26, which is convenient and fast, improves the sealing reliability of encapsulation cover 27 to pipe body 26, and as shown in the figure, Figure 2 And Figure 3 Limiting boss 261 is arranged on pipe body 26, limiting boss 261 is used for abutting against encapsulation cover 27 to limit the tightening position of encapsulation cover 27, and anti-skid lines 271 are arranged on the outer side of encapsulation cover 27 to increase the friction force when tightening encapsulation cover 27, further improving the assembly convenience.

[0072] In the embodiment of the utility model, a plurality of first reinforcing ribs 331 are arranged on reaction section 33, and the plurality of first reinforcing ribs 331 are connected with clamping convex ring 321, as shown in the figure, Figure 3 And Figure 5 First reinforcing rib 331 is arranged between reaction section 33 and clamping convex ring 321, which increases the structural strength of reaction tube 30; and a plurality of second reinforcing ribs 112 are arranged on liquid injection push rod 10, and the plurality of second reinforcing ribs 112 are connected with separation guide plate 11, as shown in the figure, Figure 3 And Figure 8 Second reinforcing rib 112 is arranged between liquid injection push rod 10 and separation guide plate 11, which increases the structural strength of liquid injection push rod 10.

[0073] In the embodiment of the utility model, one end of sample tube 20 is provided with connecting ring groove 28, connecting ring groove 28 is arranged on the outer side of mounting groove 22, a plurality of third reinforcing ribs 281 are arranged in connecting ring groove 28, as shown in the figure, Figure 6 And Figure 7 The two ends of third reinforcing rib 281 are connected with the two groove side walls of connecting ring groove 28 respectively, which increases the structural strength of pipe body 26 and improves the structural stability.

[0074] Further, the detection consumables further include a protective cover 70, as shown in the figure, Figures 1 to 3As shown, the protective cover 70 is arranged at one end of the sample tube 20 and covers the outside of the reaction tube 30, the protective cover 70 plays a role of protecting the reaction tube 30, so as to prevent the reaction tube 30 from contacting light and touching or extruding the reaction tube 30, and the storage reliability of the detection reagent is improved.

[0075] In addition, the utility model provides a kind of detection equipment, and the detection equipment includes the detection consumable according to above, and the specific structure of this detection consumable refers to above embodiment, since detection equipment has adopted all technical solutions of above embodiment, at least have all beneficial effects brought by the technical solutions of above embodiment, here not again repeat.

[0076] In the description of the utility model, it should be understood that the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one feature. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0077] In the utility model, unless otherwise specifically defined and limited, the terms "installation", "connection", "connection", "fixing" and other terms should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or communicate with each other; it can be directly connected, or it can be indirectly connected through intermediate medium, it can be the communication or interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0078] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms is not necessarily for the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the specification and the characteristics of different embodiments or examples without contradiction.

[0079] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and the ordinary skilled in the art can change, modify, replace and transform the above-mentioned embodiments within the scope of the utility model.

Claims

1. A testing consumable, characterized in that, The testing consumables include: Injection plunger (10); The detection assembly includes a sample tube (20), a reaction tube (30), and a push cap (40). The injection push rod (10) is disposed inside the sample tube (20). The two ends of the sample tube (20) are respectively provided with an installation hole (21) and an installation groove (22). The push cap (40) is movably disposed in the installation hole (21). The reaction tube (30) extends into the installation groove (22) and is connected to the sample tube (20). The reaction tube (30) is provided with a sealing membrane (31). The push cap (40) is used to push the injection push rod (10) to pierce the sealing membrane (31) and connect the sample tube (20) and the reaction tube (30). The sealing assembly includes a first sealing sleeve (50) and a second sealing sleeve (60). The first sealing sleeve (50) is disposed on the push cap (40) and abuts against the wall of the mounting hole (21). The second sealing sleeve (60) is disposed on the reaction tube (30) and abuts against the side wall of the mounting groove (22).

2. The testing consumables according to claim 1, characterized in that, The push cap (40) includes a cap body (41) and a sealing cap plate (42). One end of the cap body (41) abuts against the liquid injection push rod (10). The sealing cap plate (42) is located at the other end of the cap body (41) and blocks the mounting hole (21). The first sealing sleeve (50) is located on the cap body (41). The first sealing sleeve (50) is provided with a first positioning protrusion (51). The cap body (41) is provided with a first positioning groove (411) into which the first positioning protrusion (51) extends.

3. The testing consumables according to claim 1, characterized in that, The reaction tube (30) includes a connecting section (32) and a reaction section (33). The connecting section (32) is connected to the mounting groove (22). One end of the connecting section (32) abuts against the bottom wall of the mounting groove (22) and is provided with the sealing membrane (31). The reaction section (33) is connected to the other end of the connecting section (32). The second sealing sleeve (60) is provided on the connecting section (32) and abuts against the bottom wall of the mounting groove (22).

4. The testing consumables according to claim 3, characterized in that, The connecting section (32) is provided with a snap-fit ​​protrusion (321), and the mounting groove (22) has a snap-fit ​​groove (221) on its sidewall for the snap-fit ​​protrusion (321) to extend into. The second sealing sleeve (60) is located on the side of the snap-fit ​​protrusion (321) facing away from the reaction section (33). The reaction section (33) is provided with a plurality of spaced first reinforcing ribs (331), and the plurality of first reinforcing ribs (331) are all connected to the snap-fit ​​protrusion (321).

5. The testing consumables according to claim 1, characterized in that, The sample tube (20) has a liquid storage chamber (23), a flow guiding chamber (24) and an injection chamber (25). One end of the flow guiding chamber (24) is connected to the liquid storage chamber (23), and the other end of the flow guiding chamber (24) is connected to the injection chamber (25). The injection chamber (25) is connected to the mounting groove (22), and the size of the flow guiding chamber (24) is gradually reduced in the direction away from the liquid storage chamber (23).

6. The testing consumable according to claim 5, characterized in that, The flow guiding cavity (24) is provided with a plurality of injection limiting posts (241), which are arranged circumferentially around the outer periphery of the injection cavity (25) and form a guide channel (242) between them. The injection push rod (10) is movably extended into the guide channel (242). The injection limiting post (241) has an arc-shaped limiting surface (2411) on one side facing the guide channel (242). The injection limiting post (241) is also provided with two avoidance guide surfaces (2412), which are arranged opposite to each other on both sides of the arc-shaped limiting surface (2411). The distance between the two avoidance guide surfaces (2412) gradually decreases in the direction away from the guide channel (242).

7. The testing consumables according to claim 5, characterized in that, The injection push rod (10) is provided with a partition guide plate (11), which is adapted to the liquid storage cavity (23), and the partition guide plate (11) is provided with at least two spaced placement ports (111); the injection push rod (10) is provided with a plurality of spaced second reinforcing ribs (112), and the plurality of second reinforcing ribs (112) are all connected to the partition guide plate (11).

8. The testing consumables according to any one of claims 1 to 7, characterized in that, The sample tube (20) includes a tube body (26) and a sealing cap (27). The liquid injection push rod (10) is located inside the tube body (26). One end of the tube body (26) is provided with the mounting groove (22). The sealing cap (27) is detachably connected to the other end of the tube body (26) and is provided with the mounting hole (21). And / or, the testing consumables also include a protective cover (70), which is located at one end of the sample tube (20) and covers the outside of the reaction tube (30).

9. The testing consumables according to any one of claims 1 to 7, characterized in that, The second sealing sleeve (60) is provided with a second positioning protrusion (61), and the side wall of the mounting groove (22) is provided with a second positioning groove (222) for the second positioning protrusion (61) to extend into; And / or, a connecting ring groove (28) is provided at one end of the sample tube (20), the connecting ring groove (28) surrounds the outside of the mounting groove (22), and a plurality of spaced third reinforcing ribs (281) are provided in the connecting ring groove (28).

10. A testing device, characterized in that, The testing equipment includes testing consumables according to any one of claims 1 to 9.

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