Joint detection kit for fat-soluble vitamins A, D, E and K

Abstract

The invention relates to the technical field of detection kits, in particular to a joint detection kit for fat-soluble vitamins A, D, E and K. The joint detection kit comprises a pushing rod, an injector and a detection supporting structure, the upper end of the injector is telescopically connected with the pushing rod, the lower end of the injector is in butt joint communication with the detection supporting structure, and the detection supporting structure is placed at a fixed position. Then the detection liquid is adsorbed through a material pushing rod and an injector, after adsorption is completed, the injector is in butt joint with a detection supporting structure, and then the material pushing rod is pressed, so that the detection liquid reaches the detection supporting structure through the injector; the detection supporting structure is used for detecting fat-soluble vitamins A, D, E and K, the butt-joint detection component rotates through the supporting adjusting component and accelerates drainage work in a centrifugal mode, the butt-joint mechanism is used for limiting an injector, and the first butt-joint disc block, the second butt-joint disc block and the detection mechanism are assembled. Through the arrangement of the structure, the reagent detection work is convenient to carry out.

Description

Technical Field

[0001] The present invention relates to the technical field of detection kits, in particular to a combined detection kit for fat-soluble vitamins A, D, E and K. Background Art

[0002] The combined detection kit for fat-soluble vitamins A, D, E, and K can detect fat-soluble vitamins A, D, E, and K, thereby quickly analyzing whether the test sample contains fat-soluble vitamins A, D, E, and K, thereby quickly performing detection work.

[0003] According to Chinese patent publication number CN222125270U, a vitamin D2 and D3 combined detection kit is disclosed, comprising: a test strip comprising a PVC base plate, on which a sample pad, a conjugation pad, an NC membrane, and an absorption pad are sequentially overlapped, the NC membrane being provided with a quality control line, a vitamin D2 detection line, and a vitamin D3 detection line, wherein the conjugation pad is sprayed with a fluorescently labeled D2 and D3 antibody complex, the vitamin D2 detection line is coated with a vitamin D2 antibody, and the vitamin D3 detection line is coated with a vitamin D3 antibody. By concentrating vitamin D2 and vitamin D3 on the same test strip, vitamin D2 and vitamin D3 can be detected simultaneously, thereby expanding the scope of use of the test strip.

[0004] At present, the existing combined detection kits for fat-soluble vitamins A, D, E, and K and the above-mentioned cases are not convenient for rapid detection when used, and are not convenient for space-saving sample retention processing. Therefore, improvements are made to address the above-mentioned problems. Summary of the Invention

[0005] In response to the problems in the prior art, the present invention provides a combined detection kit for fat-soluble vitamins A, D, E, and K.

[0006] The technical solution adopted by the present invention to solve its technical problem is: a combined detection kit for fat-soluble vitamins A, D, E, and K, including a push rod, a syringe, and a detection support structure. The upper end of the syringe is telescopically connected to the push rod, and the lower end of the syringe is connected to the detection support structure. The detection support structure is placed in a fixed position, and then the push rod and the syringe are used to absorb the detection liquid. After the adsorption is completed, the syringe is docked with the detection support structure, and then the push rod is pressed to allow the detection liquid to pass through the syringe and reach the detection support structure.

[0007] The detection support structure is used for the detection of fat-soluble vitamins A, D, E, and K. The docking detection component is rotated through the support adjustment component, and the drainage work is accelerated by centrifugation. The docking mechanism is used to limit the syringe. The first docking disc block and the second docking disc block are assembled with the detection mechanism, and the limit card block is used to limit and fix the detection mechanism. The detection mechanism can be quickly separated from the rotating support mechanism.

[0008] Specifically, the detection support structure includes a docking detection component and a support adjustment component, the support adjustment component is rotatably connected to the docking detection component, the docking detection component includes a docking mechanism and a detection limit mechanism, and the detection limit mechanism is fixedly connected to the docking mechanism.

[0009] Specifically, the docking mechanism includes a nesting frame, a supporting connecting rod and a docking slot seat. The lower end of the nesting frame is fixedly connected to the supporting connecting rod, and the lower end of the supporting connecting rod is fixedly connected to the docking slot seat. The lower end of the docking slot seat is fixedly connected to the rotating supporting mechanism, and five detection mechanisms are provided on the rotating supporting mechanism.

[0010] Specifically, the rotating supporting mechanism includes a supporting plate, the center of the supporting plate is fixedly connected to the second docking plate block, the upper end of the second docking plate block is fixedly connected to the first docking plate block, the upper end of the first docking plate block is fixedly connected to the docking seat, the side end of the second docking plate block is provided with a connecting spring, the side end of the connecting spring is elastically connected to the pressing and expanding block, the front end of the pressing and expanding block is fixedly connected to the pressing and regulating frame, the front end of the pressing and regulating frame is fixedly connected to the limited card block through the rotating adjusting shaft, and the rotating adjusting shaft is hinged to the front end of the second docking plate block, and the structural setting of the support adjustment component is achieved. , can be connected with the docking detection component, so that the docking detection component can be controlled to rotate. Under the action of centrifugation, the detection liquid can reach the detection mechanism faster, so as to perform rapid detection. The detection mechanism and the rotating supporting mechanism are detachable. Pressing the expansion block can drive the rotation adjustment shaft to rotate by pressing the control frame, thereby changing the position of the limit card block, so that the limit card block is separated from the limit of the detection mechanism. After that, the detection mechanism can be pulled out, so that the detection mechanism is separated from the limit connection with the first docking disc block and the second docking disc block, which is convenient for subsequent sample retention work.

[0011] Specifically, the detection mechanism includes guide paper, reagent paper, a protective frame, a detection line, a quality control line and a limit card frame. The upper end of the limit card frame is provided with a guide paper, and the side end of the guide paper is connected to be provided with a reagent paper. The side of the reagent paper is supported by the protective frame, and the reagent paper is provided with a detection line and a quality control line. The detection line and the quality control line are used for detection work. The setting of the push rod and the syringe is convenient for absorbing the detection liquid. Then the push rod and the syringe are docked with the detection support structure. By pressing the push rod, the detection liquid in the syringe can be conducted to the detection support structure. Then the detection liquid is conducted to the docking seat through the docking slot seat, and is guided to the guide paper through the first docking disk block. The guide paper is drained to the reagent paper, and the detection work is detected through the detection line and the quality control line, which facilitates rapid detection. Five detection mechanisms can be installed on the rotating support mechanism for the detection of multiple vitamins.

[0012] Specifically, the limiting bracket is fixedly connected to the second docking plate block, the first docking plate block is connected to the guide paper, the docking slot seat is connected to the first docking plate block through the docking seat, and the first docking plate block limits the guide paper so that the guide paper conducts the detection liquid.

[0013] Specifically, the limit card block is used to limit the position of the limit card frame, and by pressing the press expansion block, the press expansion block is adjusted by the connecting spring, and the press expansion block drives the press control frame to rotate, so that the press control frame drives the limit card block to move by rotating the adjustment shaft, thereby controlling the connection between the limit card block and the limit card frame.

[0014] Specifically, the support and adjustment component includes a supporting chassis, a center frame, a matching bearing, an inner bearing ring and an outer bearing ring. The center of the supporting chassis is fixedly connected to the center frame, the side end of the center frame is rotatably connected to the inner bearing ring through a matching bearing, and the inner bearing ring is rotatably connected to the outer bearing ring through a matching bearing.

[0015] Specifically, the inner bearing ring and the outer bearing ring are fixedly connected to the lower end of the support plate, and the support plate is rotatably connected to the supporting chassis and the center frame through the inner bearing ring, the outer bearing ring and the matching bearing. A circular groove is provided on the supporting chassis. The supporting plate is rotated so that the supporting plate rotates through the matching bearing, the inner bearing ring and the outer bearing ring, and the supporting chassis and the center frame perform supporting work. Under the action of centrifugation, the detection liquid can quickly reach the reagent paper for detection and processing. After completing the detection, the user can press the pressing expansion block to squeeze the pressing expansion block through the connecting spring. The pressing expansion block drives the rotating adjustment shaft and the limit card block to move through the pressing control frame, and the limit card block can be disengaged from the limit card frame. After that, the detection mechanism can be separated to facilitate subsequent retention work.

[0016] Specifically, the nesting rack is used to limit the position of the syringe, and the push rod is pressed to guide the detection liquid in the syringe into the docking seat through the docking groove seat.

[0017] Beneficial effects of the present invention:

[0018] 1. The present invention facilitates the absorption of the test liquid through the arrangement of the push rod and the syringe. Then, the push rod and the syringe are docked with the test support structure. By pressing the push rod, the test liquid in the syringe can be conducted into the test support structure. Then, the test liquid is conducted to the docking seat through the docking slot seat, and is guided to the guide paper through the first docking disk block. The guide paper is drained to the reagent paper, and the test work is carried out through the test line and the quality control line, which facilitates rapid testing. In addition, five test mechanisms can be installed on the rotating support mechanism for the detection of multiple vitamins.

[0019] Second, the present invention can be connected to the docking detection component through the structural setting of the support adjustment component, so that the docking detection component can be controlled to rotate. Under the centrifugal action, the detection liquid can reach the detection mechanism faster, and rapid detection work can be performed. The detection mechanism and the rotating supporting mechanism are separable. Pressing the expansion block can drive the rotating adjustment shaft to rotate by pressing the control frame, changing the position of the limit block, so that the limit block is separated from the limit of the detection mechanism. After that, the detection mechanism can be pulled out to separate the detection mechanism from the limit connection with the first docking disk block and the second docking disk block, which is convenient for subsequent sample retention work. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below with reference to the accompanying drawings and examples.

[0021] Figure 1 This is a schematic diagram of the three-dimensional structure of the main body of the present invention from the front perspective;

[0022] Figure 2 This is a split diagram of the main body of the present invention;

[0023] Figure 3 A three-dimensional diagram of the detection support structure of the present invention;

[0024] Figure 4 This is a disassembled diagram of the detection support structure in the present invention;

[0025] Figure 5 A three-dimensional diagram of the docking detection component of the present invention;

[0026] Figure 6 This is a disassembled diagram of the docking detection component in the present invention;

[0027] Figure 7 A perspective view of the rotating supporting mechanism of the present invention;

[0028] Figure 8 A three-dimensional diagram of the detection mechanism of the present invention;

[0029] Figure 9 It is a three-dimensional diagram of the supporting and adjusting component in the present invention.

[0030] In the figure: 1-push rod, 2-syringe, 3-detection support structure, 4-docking detection component, 5-support adjustment component, 6-docking mechanism, 7-detection limit mechanism, 8-nesting frame, 9-support connecting rod, 10-docking slot seat, 11-rotation supporting mechanism, 12-detection mechanism, 13-support plate, 14-docking seat, 15-first docking plate block, 16-second docking plate block, 17-limiting card block, 18-rotation adjustment shaft, 19-pressing control frame, 20-connecting spring, 21-pressing expansion block, 22-guide paper, 23-reagent paper, 24-protection frame, 25-detection line, 26-quality control line, 27-limiting card frame, 28-support chassis, 29-center frame, 30-matching bearing, 31-inner bearing ring, 32-outer bearing ring. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of this application.

[0032] The present invention will be further described below with reference to the accompanying drawings.

[0033] Example

[0034] like Figure 1-9 As shown, the combined detection kit for fat-soluble vitamins A, D, E, and K of the present invention comprises a push rod 1, a syringe 2, and a detection support structure 3. The upper end of the syringe 2 is telescopically connected to the push rod 1, and the lower end of the syringe 2 is connected to the detection support structure 3.

[0035] The detection support structure 3 is used for the detection of fat-soluble vitamins A, D, E, and K. The docking detection component 4 is rotated by the support adjustment component 5, and the drainage work is accelerated by centrifugation. The docking mechanism 6 is used to limit the syringe 2. The first docking disc block 15 and the second docking disc block 16 are assembled with the detection mechanism 12, and the limit card block 17 is used to limit and fix the detection mechanism 12. The detection mechanism 12 can be quickly separated from the rotating supporting mechanism 11, and the detection support structure 3 is placed in a fixed position. Then, the detection liquid is adsorbed by the push rod 1 and the syringe 2. After the adsorption is completed, the syringe 2 is docked with the detection support structure 3, and then the push rod 1 is pressed so that the detection liquid reaches the detection support structure 3 through the syringe 2.

[0036] The detection support structure 3 includes a docking detection component 4 and a support adjustment component 5. The support adjustment component 5 is rotatably connected to the docking detection component 4. The docking detection component 4 includes a docking mechanism 6 and a detection limit mechanism 7. The detection limit mechanism 7 is fixedly connected to the docking mechanism 6.

[0037] The docking mechanism 6 includes a nesting frame 8, a supporting link 9 and a docking slot seat 10. The lower end of the nesting frame 8 is fixedly connected to the supporting link 9, and the lower end of the supporting link 9 is fixedly connected to the docking slot seat 10. The lower end of the docking slot seat 10 is fixedly connected to the rotating supporting mechanism 11, and five detection mechanisms 12 are provided on the rotating supporting mechanism 11.

[0038] The rotating supporting mechanism 11 includes a support plate 13, the center of the support plate 13 is fixedly connected to the second docking plate block 16, the upper end of the second docking plate block 16 is fixedly connected to the first docking plate block 15, the upper end of the first docking plate block 15 is fixedly connected to the docking seat 14, the side end of the second docking plate block 16 is provided with a connecting spring 20, the side end of the connecting spring 20 is elastically connected to the pressing expansion block 21, the front end of the pressing expansion block 21 is fixedly connected to the pressing regulating frame 19, the front end of the pressing regulating frame 19 is fixedly connected to the limited position card 17 through the rotating adjustment shaft 18, and the rotating adjustment shaft 18 is hinged to the front end of the second docking plate block 16, through the structure of the support adjustment component 5 The setting can be connected to the docking detection component 4, so that the docking detection component 4 can be controlled to rotate. Under the action of centrifugation, the detection liquid can reach the detection mechanism 12 faster and perform rapid detection work. The detection mechanism 12 and the rotating supporting mechanism 11 are separable. Pressing the expansion block 21 can drive the rotation adjustment shaft 18 to rotate by pressing the control frame 19, thereby changing the position of the limit block 17, so that the limit block 17 is disengaged from the limit of the detection mechanism 12. After that, the detection mechanism 12 can be pulled out, so that the detection mechanism 12 is disengaged from the limit connection with the first docking plate block 15 and the second docking plate block 16, which is convenient for subsequent sample retention work.

[0039] The detection mechanism 12 includes a guide paper 22, a reagent paper 23, a protective frame 24, a detection line 25, a quality control line 26 and a limit card frame 27. The upper end of the limit card frame 27 is provided with a guide paper 22, and the side end of the guide paper 22 is connected to the reagent paper 23. The side of the reagent paper 23 is limited and supported by the protective frame 24, and the reagent paper 23 is provided with a detection line 25 and a quality control line 26. The detection line 25 and the quality control line 26 are used for detection work. The setting of the push rod 1 and the syringe 2 facilitates the absorption of the detection liquid. After that, the push rod 1 and the syringe 2 are placed. The syringe 2 is docked with the detection support structure 3. By pressing the push rod 1, the detection liquid in the syringe 2 can be transferred to the detection support structure 3. Then the detection liquid is transferred to the docking seat 14 through the docking slot seat 10, and is guided to the guide paper 22 through the first docking plate block 15. The guide paper 22 is drained to the reagent paper 23, and the detection work is detected through the detection line 25 and the quality control line 26, which facilitates rapid detection. Five detection mechanisms 12 can be installed on the rotating support mechanism 11 for the detection of multiple vitamins.

[0040] The limiting bracket 27 is fixedly connected to the second docking tray block 16, the first docking tray block 15 is connected to the guide paper 22, the docking slot seat 10 is connected to the first docking tray block 15 through the docking seat 14, the first docking tray block 15 limits the guide paper 22, so that the guide paper 22 conducts the detection liquid, the nesting frame 8 and the supporting connecting rod 9 support the syringe 2, the detection liquid is conducted through the docking slot seat 10 and conducted to the docking seat 14. At this time, the rotating supporting mechanism 11 and the detection mechanism 12 are in a docking state, the detection liquid is conducted to the first docking tray block 15 through the docking seat 14, and the detection liquid is guided and transmitted through the guide paper 22 on the first docking tray block 15 and transmitted to the reagent paper 23. At this time, the reagent paper 23 is limited and protected by the protective frame 24, and is tested through the detection line 25 and the quality control line 26. The limiting bracket 27 is limited by the second docking tray block 16 at this time, and the limiting bracket 17 also fixes the second docking tray block 16.

[0041] The limit block 17 is used to limit the position of the limit bracket 27, and by pressing the pressing expansion block 21, the pressing expansion block 21 is adjusted by the connecting spring 20, and the pressing expansion block 21 drives the pressing control frame 19 to rotate, so that the pressing control frame 19 drives the limit block 17 to move by rotating the adjustment shaft 18, thereby controlling the connection between the limit block 17 and the limit bracket 27.

[0042] The support and adjustment component 5 includes a supporting chassis 28, a center frame 29, a matching bearing 30, an inner bearing ring 31 and an outer bearing ring 32. The center of the supporting chassis 28 is fixedly connected to the center frame 29. The side end of the center frame 29 is rotatably connected to the inner bearing ring 31 through the matching bearing 30. The inner bearing ring 31 is rotatably connected to the outer bearing ring 32 through the matching bearing 30. The supporting plate 13 is rotated so that the supporting plate 13 rotates through the matching bearing 30, the inner bearing ring 31 and the outer bearing ring 32. The supporting chassis 28, the center frame 29, the inner bearing ring 31 and the outer bearing ring 32 are rotated. The frame 29 performs supporting work, and under the action of centrifugation, the detection liquid can quickly reach the reagent paper 23 for detection processing. After the detection is completed, the user can press the pressing expansion block 21, so that the pressing expansion block 21 is squeezed by the connecting spring 20, and the pressing expansion block 21 drives the rotating adjustment shaft 18 and the limit card block 17 to move by pressing the control frame 19, and can disengage the limit card block 17 from the limit frame 27. After that, the detection mechanism 12 can be separated to facilitate subsequent retention work.

[0043] The inner bearing ring 31 and the outer bearing ring 32 are both fixedly connected to the lower end of the support plate 13. The support plate 13 is rotatably connected to the supporting chassis 28 and the center frame 29 through the inner bearing ring 31, the outer bearing ring 32 and the matching bearing 30. A circular groove is provided on the supporting chassis 28.

[0044] The nesting frame 8 is used to limit the position of the syringe 2 , and the push rod 1 is pressed to guide the detection liquid in the syringe 2 into the docking seat 14 through the docking groove seat 10 .

[0045] The working principle is as follows: when in use, the user places the detection support structure 3 in a fixed position, then uses the push rod 1 and syringe 2 to absorb the detection liquid. After the adsorption is completed, the syringe 2 is docked with the detection support structure 3, and then the push rod 1 is pressed, so that the detection liquid passes through the syringe 2 and reaches the detection support structure 3;

[0046] At this time, the nesting frame 8 and the supporting connecting rod 9 support the syringe 2, and the detection liquid is conducted through the docking slot 10 to the docking seat 14. At this time, the rotating supporting mechanism 11 and the detection mechanism 12 are in a docking state, and the detection liquid is conducted to the first docking plate 15 through the docking seat 14. The detection liquid is guided and transmitted by the guide paper 22 on the first docking plate 15 and is transmitted to the reagent paper 23. At this time, the reagent paper 23 is protected by the protective frame 24 and is tested through the detection line 25 and the quality control line 26. The limit card frame 27 is limited by the second docking plate 16 at this time, and the limit card block 17 also performs fixed limit of the second docking plate 16.

[0047] Afterwards, the user can rotate the support disk 13 so that the support disk 13 rotates through the matching bearing 30, inner bearing ring 31, and outer bearing ring 32, and the supporting chassis 28 and the center frame 29 perform supporting work. Under the action of centrifugation, the detection liquid can quickly reach the reagent paper 23 for detection and processing. After completing the detection, the user can press the pressing expansion block 21 so that the pressing expansion block 21 is squeezed by the connecting spring 20. The pressing expansion block 21 drives the rotating adjustment shaft 18 and the limit block 17 to move by pressing the control frame 19, and can disengage the limit block 17 from the limit frame 27. Afterwards, the detection mechanism 12 can be separated to facilitate subsequent retention work and complete the work.

[0048] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A combined detection kit for fat-soluble vitamins A, D, E, and K, characterized by: The invention comprises a push rod (1), a syringe (2) and a detection support structure (3); the upper end of the syringe (2) is telescopically connected to the push rod (1), and the lower end of the syringe (2) is butt-jointed and connected to the detection support structure (3); The detection support structure (3) is used for detecting fat-soluble vitamins A, D, E, and K. The docking detection component (4) is rotated by the support adjustment component (5) to accelerate the drainage work by centrifugal means. The docking mechanism (6) is used for limiting the position of the syringe (2). The first docking disc block (15) and the second docking disc block (16) are assembled with the detection mechanism (12), and the limiting card block (17) is used for limiting and fixing the detection mechanism (12). The detection mechanism (12) can be quickly separated from the rotating support mechanism (11).

2. The combined detection kit for fat-soluble vitamins A, D, E, and K according to claim 1, wherein: The detection support structure (3) comprises a docking detection component (4) and a support adjustment component (5); the support adjustment component (5) is rotatably connected to the docking detection component (4); the docking detection component (4) comprises a docking mechanism (6) and a detection limit mechanism (7); the detection limit mechanism (7) is fixedly connected to the docking mechanism (6).

3. The combined detection kit for fat-soluble vitamins A, D, E, and K according to claim 2, wherein: The docking mechanism (6) comprises a nesting frame (8), a supporting connecting rod (9) and a docking slot seat (10); the lower end of the nesting frame (8) is fixedly connected to the supporting connecting rod (9); the lower end of the supporting connecting rod (9) is fixedly connected to the docking slot seat (10); the lower end of the docking slot seat (10) is fixedly connected to the rotating supporting mechanism (11), and five detection mechanisms (12) are provided on the rotating supporting mechanism (11).

4. The combined detection kit for fat-soluble vitamins A, D, E, and K according to claim 3, wherein: The rotating supporting mechanism (11) comprises a supporting plate (13), the center of the supporting plate (13) is fixedly connected to a second docking plate block (16), the upper end of the second docking plate block (16) is fixedly connected to the first docking plate block (15), the upper end of the first docking plate block (15) is fixedly connected to the docking seat (14), the side end of the second docking plate block (16) is provided with a connecting spring (20), the side end of the connecting spring (20) is elastically connected to the pressing expansion block (21), the front end of the pressing expansion block (21) is fixedly connected to the pressing regulating frame (19), the front end of the pressing regulating frame (19) is fixedly connected to the limiting block (17) through a rotating regulating shaft (18), and the rotating regulating shaft (18) is hingedly arranged with the front end of the second docking plate block (16).

5. The combined detection kit for fat-soluble vitamins A, D, E, and K according to claim 4, wherein: The detection mechanism (12) comprises a guide paper (22), a reagent paper (23), a protective frame (24), a detection line (25), a quality control line (26) and a position limiting bracket (27); the upper end of the position limiting bracket (27) is provided with the guide paper (22); the side end of the guide paper (22) is connected to the reagent paper (23); the side of the reagent paper (23) is limited and supported by the protective frame (24); and the reagent paper (23) is provided with a detection line (25) and a quality control line (26); the detection line (25) and the quality control line (26) are used for detection work.

6. The combined detection kit for fat-soluble vitamins A, D, E, and K according to claim 5, characterized in that: The limiting bracket (27) is fixedly connected to the second docking plate block (16), the first docking plate block (15) is docked and connected to the guide paper (22), the docking slot seat (10) is connected to the first docking plate block (15) through the docking seat (14), and the first docking plate block (15) limits the guide paper (22), so that the guide paper (22) conducts the detection liquid.

7. The combined detection kit for fat-soluble vitamins A, D, E, and K according to claim 6, characterized in that: The limit card block (17) is used for limiting the position of the limit card frame (27), and by pressing the press expansion block (21), the press expansion block (21) is adjusted by the connecting spring (20), and the press expansion block (21) drives the press regulating frame (19) to rotate, so that the press regulating frame (19) drives the limit card block (17) to move by rotating the regulating shaft (18), thereby controlling the connection between the limit card block (17) and the limit card frame (27).

8. The combined detection kit for fat-soluble vitamins A, D, E, and K according to claim 7, characterized in that: The support and adjustment component (5) comprises a supporting chassis (28), a center frame (29), a matching bearing (30), an inner bearing ring (31) and an outer bearing ring (32); the center of the supporting chassis (28) is fixedly connected to the center frame (29); the side end of the center frame (29) is rotatably connected to the inner bearing ring (31) through the matching bearing (30); and the inner bearing ring (31) is rotatably connected to the outer bearing ring (32) through the matching bearing (30).

9. The combined detection kit for fat-soluble vitamins A, D, E, and K according to claim 8, characterized in that: The inner bearing ring (31) and the outer bearing ring (32) are both fixedly connected to the lower end of the support plate (13); the support plate (13) is rotatably connected to the supporting chassis (28) and the center frame (29) through the inner bearing ring (31), the outer bearing ring (32) and the matching bearing (30); and a circular groove is provided on the supporting chassis (28).

10. The combined detection kit for fat-soluble vitamins A, D, E, and K according to claim 9, characterized in that: The nesting frame (8) is used to limit the position of the syringe (2), and the push rod (1) is pressed to guide the detection liquid in the syringe (2) into the docking seat (14) through the docking groove seat (10).

Images