Shell structure of inner intubation tube support applied to automatic sampler

Abstract

The invention relates to the technical field of inner intubation tube supports, in particular to a shell structure of an inner intubation tube support applied to an automatic sampler, the shell structure comprises a bearing structure and a tube body structure, and the bearing structure is used for bearing and supporting the tube body structure; a bearing groove is formed in the bearing structure and used for fixing the support structure, the bearing structure and the support structure are fixed through colloid, the support structure comprises a supporting inclined frame and a supporting lantern ring, the supporting lantern ring and the supporting inclined frame are integrally formed and fixed, the supporting inclined frame is annularly distributed, and the length of the top of the supporting inclined frame is half of the length of the bottom of the supporting inclined frame; the bearing structure is used for clamping and supporting the pipe body structure through a limiting device; the tube body structure is arranged by adopting a glass structure and is used for carrying and protecting the detection liquid, and the bottom of the tube body structure is arranged by adopting a conical structure. And through the arrangement of the structure, the purpose of conveniently limiting and protecting the inner insertion pipe is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of an inner tube support, in particular to a shell structure of an inner tube support applied to an automatic sample injector. Background Art

[0002] The inner tube of the injection bottle has always been one of the indispensable consumables in the field of chromatographic injection. In chromatographic analysis, especially when the sample amount is extremely expensive or rare, the inner tube can effectively reduce sample loss, maximize the use of every drop of sample, and accurately inject it into the chromatographic instrument. During the use of the inner tube, the sample does not contact the inner wall of the injection bottle, so the injection bottle can be used repeatedly. The present invention proposes a design scheme of a shell bracket that can be installed with the inner tube. The shell bracket can be made of PP, PS, and PC materials. Compared with glass injection bottles, the bracket made of plastic material is cheaper and can be used repeatedly.

[0003] According to Chinese patent publication number CN219574134U, it relates to the technical field of sample injectors, and discloses a visual automatic sample injector with an angle adjustment function, including a detection instrument; a folding storage mechanism arranged on the top of the detection instrument; a conveying adjustment mechanism arranged on the top of the folding storage mechanism; and an automatic sample injector arranged on the top of the conveying adjustment mechanism, wherein the detection instrument includes: a device body, and a display is installed on the front of the device body. This visual automatic sample injector with an angle adjustment function, by setting the connection sleeve and the connecting plug in the folding storage mechanism to be connected to each other, can make the conveying channel in the fixed plate and the internal connection of the connecting tube so that the sampled object in the sample injector is conveyed to the device body for detection, and when the overall device is idle, the connection between the connecting plug and the connecting sleeve can be released, so that the connecting plate can be rotated to the horizontal direction through the pin A for convenient folding and storage.

[0004] At present, the existing shell structure of the inner tube bracket used in the automatic sampler and the above-mentioned case are not convenient for high-stability support work when in use, so as to ensure the stable protection performance of the test sample bottle. Therefore, improvements are made to address the above-mentioned problems. Summary of the invention

[0005] In view of the problems in the prior art, the present invention provides a shell structure of an inner tube support applied to an automatic sample injector.

[0006] The technical solution adopted by the present invention to solve the technical problem is: a shell structure of an inner tube support applied to an automatic sampler, comprising a supporting structure and a tube body structure, wherein the supporting structure supports the tube body structure; The supporting structure is provided with a supporting groove inside for fixing the supporting structure. The supporting structure and the supporting structure are fixed by colloid, and the supporting structure includes a supporting inclined frame and a supporting collar. The supporting collar is integrally formed and fixed with the supporting inclined frame, and the supporting inclined frame is arranged in a ring-shaped distribution. The top length of the supporting inclined frame is half of the bottom length. The supporting structure supports the tube structure by a limiting device. The first docking screw seat and the first glass shell are structurally arranged to facilitate the limited installation of the first inner tube. The first docking screw seat is provided with a threaded groove to facilitate the subsequent screwing and fixing of the top by screwing the cover, thereby sealing and connecting the first inner tube and the first glass shell. A support structure is provided in the shell, and the support structure can support and protect the first inner tube, and carry out the load-bearing connection of the first inner tube. The support structure is provided by a support bevel frame and a support collar. The support collar is provided with a circular ring structure, and a support bevel frame is provided on the support collar. The support bevel frame is provided with a blade-shaped structure, and the support bevel frame is provided with a ring distribution arrangement about the support collar, so that the first inner tube can be efficiently supported, and subsequent chromatographic analysis can be conveniently performed. The support structure can be made of PP, PS, and PC materials, and the first inner tube is provided with a glass material, so that the protection and support of the first inner tube can be conveniently performed, and continuous use can be conveniently performed. The tube body structure adopts a glass structure to carry and protect the detection liquid, and the bottom adopts a conical structure.

[0007] Specifically, the supporting structure is a first glass shell, the tube structure is a first inner tube, the upper end of the first glass shell is fixedly connected with a first docking screw seat, and the first docking screw seat and the first glass shell are integrally formed, the first glass shell is fixedly connected with a support structure through a colloid, and the support structure is used for supporting and connecting the first inner tube, the first inner tube is placed into the first docking screw seat, the first glass shell, and the support structure through the first docking screw seat, and the first inner tube and the support structure are clamped and limited.

[0008] Specifically, the supporting structure is a second docking screw seat, an adapter groove, a second glass shell and a limiting clamping component, the tube body structure is a second inner tube, the matching support structure is arranged by a combination of the second docking screw seat, the adapter groove, the second glass shell, and a limiting clamping component, and the upper end of the matching support structure is screwed and connected with an adapter protective plug.

[0009] Specifically, a second docking screw seat is fixedly connected to the upper end of the second glass shell, an adapting groove is opened at the side end of the second docking screw seat, and a limit clamping component is provided on the adapting groove, the limit clamping component is symmetrically distributed about the axial position of the second docking screw seat and the second glass shell, and the limit clamping component and the second inner tube can be adapted and clamped to perform position limiting protection of the second inner tube, and a supporting inclined frame and a supporting collar are also fixedly connected inside the second glass shell, which can be screwed and fixed to the upper end of the matching supporting structure by the setting of the adapting protective plug, thereby protecting and limiting the second inner tube, and a limit clamping component is provided on the second glass shell, and the upper end of the limit clamping component is connected to the adapting groove on the second docking screw seat, and can be compressed and adjusted, thereby enabling the second inner tube to be limited.

[0010] Specifically, the limiting clamping component includes a pressing processing frame, a second connecting shaft and a third return spring. The second connecting shaft is elastically sleeved with the third return spring, the upper end of the second connecting shaft is fixedly connected to the pressing processing frame, the top of the pressing processing frame is fixedly connected to the first supporting front frame, and the first supporting front frame is fixedly connected to the first connecting shaft.

[0011] Specifically, the lower end of the first connecting shaft is hingedly arranged with the adjusting plate, and the lower end of the adjusting plate is hingedly arranged with the second supporting front frame through the second connecting shaft, and the side end of the adjusting plate is elastically connected with the second return spring, and the structural setting of the limit clamping component is convenient for the limit protection of the second inner insert tube, and the lower end of the pressing processing frame is hingedly arranged with the second glass shell through the second connecting shaft, and the third return spring is elastically arranged on the second connecting shaft to facilitate the resetting of the pressing processing frame, and the pressing processing frame is hingedly arranged with the second inner insert tube, the first supporting front frame and the adjusting plate, and can be Perform extrusion work, the adjustment plate is hingedly connected to the adapter support block through the second support front frame, the second connecting shaft and the adapter support block, and pressing work can be performed at this time, so that the adapter support block is rotated and adjusted through the first rotating shaft, so as to perform the limiting connection of the second inner tube through the bottom of the adapter support block, and the reset spring facilitates the reset of the first rotating shaft and the adapter support block. The second reset spring applies elastic force to the adapter support block, and when the adapter protective plug and the supporting support structure are placed in the chromatographic equipment, the limiting clamping component can be squeezed, so that the limiting clamping component performs the reinforcement and limiting work of the second inner tube.

[0012] Specifically, the side end of the second return spring is elastically connected to the adapter support block, the adapter support block is fixed to the second support front frame, the upper end of the adapter support block is fixedly connected to the first rotating shaft, and the return spring is elastically sleeved on the first rotating shaft, and the adapter support block, adjustment plate, and pressing processing frame are arranged in a Z-shaped structure.

[0013] Specifically, the second inner insert tube includes a flip protective cover, a matching spring, a supporting sleeve and a matching protrusion. The lower end of the supporting sleeve is provided with a matching protrusion, and the upper end of the supporting sleeve is provided with a matching spring. The supporting sleeve is elastically connected to the flip protective cover through the matching spring, and the flip protective cover and the supporting sleeve are blocked and limited. The structural setting of the second inner insert tube facilitates the storage of the test object. The supporting sleeve is made of glass material, which is convenient for continuous use. The lower end of the supporting sleeve is provided with a matching protrusion, which is convenient for cooperating and limiting with the limiting clamping component. The upper part of the supporting sleeve is connected to the flip protective cover through the matching spring, and the flip protective cover can be pressed and limited with the supporting sleeve to perform sealing processing.

[0014] Specifically, the second connecting shaft is rotatably connected to the second glass shell, and the adapting support block, the adjusting plate, and the pressing processing frame can be folded and adjusted.

[0015] Specifically, the upper end of the adapter support block is rotatably connected to the support ring via a first rotating shaft. When the pressing processing frame is pressed, the adapter support block is squeezed to move by adjusting the plate, so that the adapter support block is flipped and adjusted by the first rotating shaft, and the bottom of the first rotating shaft is limitedly engaged with the matching protrusion.

[0016] Beneficial effects of the present invention: 1. The present invention facilitates the limited installation of the first inner tube through the structural setting of the first docking screw seat and the first glass shell, and the first docking screw seat is provided with a threaded groove, which is convenient for the subsequent screwing and fixing of the top by the screw cover, so as to close the connection of the first inner tube. A bracket structure is provided in the first glass shell, and the bracket structure can support and protect the first inner tube and carry out the load-bearing connection of the first inner tube. The bracket structure is provided with a supporting bevel and a supporting ring combination. The supporting ring is a circular ring structure, and a supporting bevel is provided on the supporting ring. The supporting bevel is a blade-shaped structure, and the supporting bevel is distributed in an annular manner with respect to the supporting ring, which can efficiently support the first inner tube and facilitate subsequent chromatographic analysis. The bracket structure can use PP, PS, and PC materials, and the first inner tube is made of glass material, which is convenient for the protection and support of the first inner tube and convenient for continuous use.

[0017] Second, the present invention can be screwed and fixed to the upper end of the matching support structure through the setting of the adapter protective plug, so as to protect and limit the second inner tube. A limiting clamping component is provided on the second glass shell, and the upper end of the limiting clamping component is connected to the adapter groove on the second docking screw seat, which can be compressed and adjusted, so as to limit the second inner tube.

[0018] Third, the present invention facilitates the limiting protection of the second inner tube through the structural setting of the limiting clamping component. The lower end of the pressing processing frame is hingedly arranged with the second glass shell through the second connecting shaft rod, and the third reset spring is elastically arranged on the second connecting shaft rod to facilitate the resetting of the pressing processing frame. The pressing processing frame is hingedly arranged with the second inner tube, the first supporting front frame and the adjusting plate, and can perform extrusion work. The adjusting plate is hingedly arranged with the adapting support block through the second supporting front frame, the second connecting shaft rod and the adapting support block. At this time, the pressing work can be performed, so that the adapting support block is rotated and adjusted through the first rotating shaft, so that the limiting connection of the second inner tube is performed through the bottom of the adapting support block, and the reset spring facilitates the resetting of the first rotating shaft and the adapting support block. The second reset spring applies elastic force to the adapting support block, and when the adapting protection plug and the supporting support structure are placed in the chromatographic equipment, the limiting clamping component can be extruded, so that the limiting clamping component performs the reinforcement and limiting work of the second inner tube.

[0019] 4. The present invention facilitates the storage of the test object through the structural setting of the second inner insert tube. The support sleeve is made of glass material to facilitate continuous use. The lower end of the support sleeve is provided with a matching protrusion to facilitate the matching and limiting with the limiting clamping component. The upper part of the support sleeve is connected to the flip protective cover through a matching spring. The flip protective cover can be pressed and limited with the support sleeve to perform sealing processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the main body of the present invention from the front perspective; Figure 2 It is an exploded view of the main body of the present invention; Figure 3 It is a three-dimensional structural diagram of the support structure in the present invention; Figure 4 It is a schematic diagram of the three-dimensional structure from the front perspective of the second embodiment of the main body of the present invention; Figure 5 It is a disassembled diagram of the second embodiment of the main body of the present invention; Figure 6 This is a disassembled diagram of the supporting structure in the present invention; Figure 7 It is a three-dimensional structural diagram of the position-limiting clamping component in the present invention; Figure 8 It is a three-dimensional structural diagram of the second inner insert tube in the present invention.

[0022] In the figure: 1-first docking screw seat, 2-first glass shell, 3-first inner insert, 4-bracket structure, 5-support oblique frame, 6-support collar, 7-adaptive protective plug, 8-matching support structure, 9-second docking screw seat, 10-adaptive groove, 11-second glass shell, 12-limit clamping component, 13-second inner insert, 14-first support front frame, 15-first connecting shaft, 16-reset spring, 17-first rotating shaft, 18-adaptive support block, 19-second reset spring, 20-adjusting plate, 21-second support front frame, 22-second connecting shaft, 23-pressing processing frame, 24-second connecting shaft, 25-third reset spring, 26-flip protection cover, 27-matching spring, 28-support sleeve, 29-matching protrusion. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0024] The present invention is further described below in conjunction with the accompanying drawings.

[0025] Embodiment 1, as Figure 1-3As shown, a shell structure of an inner tube bracket for an automatic sampler of the present invention is applied to, the upper end of the first glass shell 2 is fixedly connected with a first docking screw seat 1, and the first docking screw seat 1 and the first glass shell 2 are integrally formed, the first glass shell 2 is fixedly connected with a bracket structure 4 through a colloid, and the bracket structure 4 is used for supporting and connecting the first inner tube 3, the first inner tube 3 is placed into the first docking screw seat 1, the first glass shell 2, and the bracket structure 4 through the first docking screw seat 1, the first inner tube 3 and the bracket structure 4 are clamped and limited, and the structural setting of the first docking screw seat 1 and the first glass shell 2 facilitates the limited installation of the first inner tube 3, and the first docking screw seat 1 is provided with a threaded groove, which is convenient for the subsequent screwing and fixing of the top by screwing the cover. The first inner tube 3 is fixed, thereby the first inner tube 3 is closed and connected. A support structure 4 is provided in the first glass shell 2. The support structure 4 can support and protect the first inner tube 3 and carry out the load-bearing connection of the first inner tube 3. The support structure 4 is provided with a support bevel 5 and a support collar 6. The support collar 6 is a circular ring structure. The support bevel 5 is provided on the support collar 6. The support bevel 5 is a blade-shaped structure. The support bevel 5 is annularly distributed with respect to the support collar 6, which can efficiently support the first inner tube 3 and facilitate subsequent chromatographic analysis. The support structure 4 can be made of PP, PS, and PC materials. The first inner tube 3 is made of glass material, which is convenient for protecting and supporting the first inner tube 3 and convenient for continuous use.

[0026] The working principle is as follows: when in use, the first inner tube 3 can be placed inside the first glass shell 2 and the support structure 4 to support and protect the first inner tube 3. A threaded structure is provided on the first docking screw seat 1 to facilitate the fixation of the external nut, thereby realizing the sealing protection of the first docking screw seat 1 and the first glass shell 2, thereby performing the sealing treatment of the first inner tube 3. The first glass shell 2 is made of recyclable materials to facilitate replacement and use. The first inner tube 3 is made of glass material to facilitate continuous use. The support structure 4 is combined by supporting the inclined frame 5 and the supporting collar 6 to facilitate the support and bearing work of the first inner tube 3. The structural setting of the first docking screw seat 1 and the first glass shell 2 facilitates the limited installation of the first inner tube 3, and the first docking screw seat 1 is provided with a threaded structure. The groove is convenient for subsequent screwing and fixing of the top by screwing the cover, so as to close and connect the first inner tube 3. A support structure 4 is arranged in the first glass shell 2. The support structure 4 can support and protect the first inner tube 3 and carry out the load-bearing connection of the first inner tube 3. The support structure 4 is combined by a support bevel 5 and a support ring 6. The support ring 6 is a circular ring structure. The support bevel 5 is arranged on the support ring 6. The support bevel 5 is a blade-shaped structure. The support bevel 5 is annularly distributed with respect to the support ring 6, which can efficiently support the first inner tube 3 and facilitate subsequent chromatographic analysis. The support structure 4 can be made of PP, PS, and PC materials. The first inner tube 3 is made of glass material, which is convenient for protecting and supporting the first inner tube 3 and convenient for continuous use.

[0027] Embodiment 2, on the basis of embodiment 1, as Figure 4-8 As shown, the matching support structure 8 is arranged by combining a second docking screw seat 9, an adapting groove 10, a second glass shell 11, and a limiting clamping component 12, and the upper end of the matching support structure 8 is screwed and connected with an adapting protective plug 7.

[0028] The upper end of the second glass shell 11 is fixedly connected with the second docking screw seat 9, and the side end of the second docking screw seat 9 is provided with an adapting groove 10, and the adapting groove 10 is provided with a limit clamping component 12, and the limit clamping component 12 is symmetrically distributed about the axial position of the second docking screw seat 9 and the second glass shell 11, and the limit clamping component 12 and the second inner insert tube 13 can be adapted and clamped to perform the limit protection of the second inner insert tube 13, and the inside of the second glass shell 11 is also fixedly connected with the supporting inclined frame 5 and the supporting collar 6, and through the setting of the adapting protective plug 7, it can be screwed and fixed with the upper end of the matching supporting structure 8, so as to protect and limit the second inner insert tube 13, and the second glass shell 11 is provided with a limit clamping component 12, and the upper end of the limit clamping component 12 is connected with the adapting groove 10 on the second docking screw seat 9, and can be compressed and adjusted, so as to perform the limit processing of the second inner insert tube 13.

[0029] The limiting clamping component 12 includes a pressing processing frame 23, a second connecting shaft 24 and a third return spring 25. The second connecting shaft 24 is elastically sleeved with the third return spring 25. The upper end of the second connecting shaft 24 is fixedly connected to the pressing processing frame 23. The top of the pressing processing frame 23 is fixedly connected to the first supporting front frame 14, and the first supporting front frame 14 is fixedly connected to the first connecting shaft 15.

[0030] The lower end of the first connecting shaft 15 is hinged to the adjusting plate 20 , and the lower end of the adjusting plate 20 is hinged to the second supporting front frame 21 through the second connecting shaft 22 . The side end of the adjusting plate 20 is elastically connected to the second return spring 19 .

[0031] The side end of the second return spring 19 is elastically connected to the adapter support block 18, and the adapter support block 18 is fixed to the second support front frame 21. The upper end of the adapter support block 18 is fixedly connected to the first rotating shaft 17, and the first rotating shaft 17 is elastically sleeved with a return spring 16. The adapter support block 18, the adjustment plate 20, and the pressing processing frame 23 adopt a Z-shaped structure. Through the structural setting of the limiting clamping component 12, it is convenient to perform the limiting protection of the second inner insert tube 13. The lower end of the pressing processing frame 23 is hinged to the second glass shell 11 through a second connecting shaft rod 24. A third return spring 25 is elastically arranged on the second connecting shaft rod 24 to facilitate the resetting of the pressing processing frame 23. The pressing processing frame 23 is connected to the second inner insert tube 13 and the first support The front support frame 14 is hinged to the adjustment plate 20 and can perform extrusion work. The adjustment plate 20 is hinged to the adapter support block 18 through the second front support frame 21 and the second connecting shaft 22. At this time, pressing work can be performed, so that the adapter support block 18 is rotated and adjusted through the first rotating shaft 17, so that the second inner tube 13 is limitedly connected through the bottom of the adapter support block 18. The reset spring 16 facilitates the reset of the first rotating shaft 17 and the adapter support block 18. The second reset spring 19 applies elastic force to the adapter support block 18, and when the adapter protective plug 7 and the supporting support structure 8 are placed in the chromatographic equipment, the limiting clamping component 12 can be squeezed, so that the limiting clamping component 12 performs reinforcement and limiting work of the second inner tube 13.

[0032] The second inner insert tube 13 includes a flip protective cover 26, a matching spring 27, a support sleeve 28 and a matching protrusion 29. The lower end of the support sleeve 28 is provided with a matching protrusion 29, and the upper end of the support sleeve 28 is provided with a matching spring 27. The support sleeve 28 is elastically connected to the flip protective cover 26 through the matching spring 27, and the flip protective cover 26 and the support sleeve 28 are blocked and limited. The structural setting of the second inner insert tube 13 is convenient for storing the test object. The support sleeve 28 is made of glass material, which is convenient for continuous use. The lower end of the support sleeve 28 is provided with a matching protrusion 29, which is convenient for matching and limiting with the limiting clamping component 12. The upper part of the support sleeve 28 is connected to the flip protective cover 26 through the matching spring 27. The flip protective cover 26 can be pressed and limited with the support sleeve 28, thereby performing sealing processing.

[0033] The second connecting shaft 24 is rotatably connected to the second glass housing 11 , and the supporting block 18 , the adjusting plate 20 , and the pressing processing frame 23 can be folded and adjusted.

[0034] The upper end of the adapter support block 18 is rotatably connected to the support ring 6 through the first rotating shaft 17. When the pressing processing frame 23 is pressed, the adapter support block 18 is squeezed to move through the adjustment plate 20, so that the adapter support block 18 is flipped and adjusted through the first rotating shaft 17, and the bottom of the first rotating shaft 17 is limitedly engaged with the matching protrusion 29.

[0035] When in use, it is only necessary to place the test object inside the support sleeve 28, and then the flip protection cover 26 can be adjusted by the matching spring 27 to limit and fix with the support sleeve 28, so as to achieve the sealing treatment of the support sleeve 28, and then the second inner tube 13 is placed in the second docking screw seat 9 and the second glass shell 11, and then the adapter protection plug 7 is screwed so that the adapter protection plug 7 and the upper end of the matching support structure 8 are screwed and fixed, and then the adapter protection plug 7 and the matching support structure 8 are placed in the chromatographic instrument for inspection. During the placement process, the limit clamping component 12 is squeezed, so that the second inner tube 13 can be limited and fixed, thereby strengthening the limit protection work of the second inner tube 13; The second docking screw seat 9 is provided with an adapting groove 10, and an adapting support block 18 is provided on the adapting groove 10 through the first rotating shaft 17. The lower end of the second connecting shaft 24 is hingedly arranged with the second glass shell 11. During the insertion process, the pressing processing frame 23 can be squeezed, and the first supporting front frame 14 and the first connecting shaft 15 act on the adjusting plate 20, so that the adjusting plate 20 is squeezed. The adjusting plate 20 is fitted with the adapting support block 18 through the second return spring 19, and the adapting support block 18 is squeezed and pushed. The lower end of the adjusting plate 20 is hingedly arranged through the second supporting front frame 21 and the second connecting shaft 22, which can also drive the adapting support block 18 to move, so that the adapting support block 18 can be adjusted through the first rotating shaft 17. The bottom of the adapting support block 18 is limitedly engaged with the matching protrusion 29, so as to perform the limiting protection work of the second inner insert tube 13. When it is taken out, the second return spring 19, the return spring 16, and the third return spring 25 can help to perform the reset work.

[0036] Although 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 the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A shell structure of an inner tube holder for an automatic sampler, characterized in that: It includes a supporting structure and a pipe structure, wherein the supporting structure supports the pipe structure; The supporting structure is provided with a supporting groove inside for fixing the support structure (4), the supporting structure and the support structure (4) are fixed by means of a colloid, and the support structure (4) comprises a supporting inclined frame (5) and a supporting collar (6), the supporting collar (6) and the supporting inclined frame (5) are integrally formed and fixed, and the supporting inclined frame (5) is arranged in a ring-shaped distribution, the top length of the supporting inclined frame (5) is half the bottom length, and the supporting structure is clamped and supported by the tube structure through a limiting device; The tube body structure adopts a glass structure to carry and protect the detection liquid, and the bottom adopts a conical structure.

2. The shell structure of the inner tube holder used in the automatic sampler according to claim 1, characterized in that: The supporting structure is a first glass shell (2), the tube structure is a first inner tube (3), the upper end of the first glass shell (2) is fixedly connected to a first docking screw seat (1), and the first docking screw seat (1) and the first glass shell (2) are integrally formed, the first glass shell (2) is fixedly connected to a support structure (4) via a colloid, and the support structure (4) is used for supporting and connecting the first inner tube (3), the first inner tube (3) is placed into the first docking screw seat (1), the first glass shell (2), and the support structure (4) via the first docking screw seat (1), and the first inner tube (3) and the support structure (4) are arranged to be clamped and limited.

3. The shell structure of the inner tube holder used in the automatic sampler according to claim 1, characterized in that: The supporting structure comprises a second butt screw seat (9), an adapting groove (10), a second glass shell (11) and a position-limiting clamping component (12); the tube structure comprises a second inner insert tube (13); the matching supporting structure (8) is arranged in combination of the second butt screw seat (9), the adapting groove (10), the second glass shell (11) and the position-limiting clamping component (12); and the upper end of the matching supporting structure (8) is screwedly connected to an adapting protective plug (7).

4. The shell structure of the inner tube holder used in the automatic sampler according to claim 3, characterized in that: The upper end of the second glass shell (11) is fixedly connected to a second docking screw seat (9), a side end of the second docking screw seat (9) is provided with an adapting groove (10), and a position-limiting clamping component (12) is provided on the adapting groove (10), the position-limiting clamping component (12) is symmetrically distributed about the axial position of the second docking screw seat (9) and the second glass shell (11), and the position-limiting clamping component (12) and the second inner insert tube (13) can be adapted and clamped to perform position-limiting protection on the second inner insert tube (13), and a supporting inclined frame (5) and a supporting collar (6) are also fixedly connected inside the second glass shell (11).

5. The shell structure of the inner tube holder used in the automatic sampler according to claim 4, characterized in that: The position-limiting clamping component (12) comprises a pressing processing frame (23), a second connecting shaft (24) and a third return spring (25); the third return spring (25) is elastically sleeved on the second connecting shaft (24); the upper end of the second connecting shaft (24) is fixedly connected to the pressing processing frame (23); the top of the pressing processing frame (23) is fixedly connected to the first supporting front frame (14); and the first supporting front frame (14) is fixedly connected to the first connecting shaft (15).

6. The shell structure of the inner tube holder used in the automatic sampler according to claim 5, characterized in that: The lower end of the first connecting shaft (15) is hingedly connected to the adjusting plate (20), the lower end of the adjusting plate (20) is hingedly connected to the second supporting front frame (21) via the second connecting shaft (22), and the side end of the adjusting plate (20) is elastically connected to a second return spring (19).

7. The shell structure of the inner tube holder used in the automatic sampler according to claim 6, characterized in that: The side end of the second return spring (19) is elastically connected to the adaptor support block (18), and the adaptor support block (18) is fixed to the second support front frame (21). The upper end of the adaptor support block (18) is fixedly connected to the first rotating shaft (17), and the return spring (16) is elastically sleeved on the first rotating shaft (17). The adaptor support block (18), the adjustment plate (20), and the pressing processing frame (23) are arranged in a Z-shaped structure.

8. The shell structure of the inner tube holder used in the automatic sampler according to claim 7, characterized in that: The second inner insert tube (13) comprises a flip protective cover (26), a matching spring (27), a support sleeve (28) and a matching protrusion (29); the lower end of the support sleeve (28) is provided with a matching protrusion (29); the upper end of the support sleeve (28) is provided with a matching spring (27); the support sleeve (28) is elastically connected to the flip protective cover (26) via the matching spring (27), and the flip protective cover (26) and the support sleeve (28) are blocked and limited.

9. The shell structure of the inner tube holder used in the automatic sampler according to claim 8, characterized in that: The second connecting shaft (24) is rotatably connected to the second glass shell (11), and the adapting support block (18), the adjusting plate (20), and the pressing processing frame (23) can be folded and adjusted.

10. The shell structure of the inner tube holder used in the automatic sampler according to claim 9, characterized in that: The upper end of the adapting support block (18) is rotatably connected to the support collar (6) via the first rotating shaft (17); when the pressing processing frame (23) is pressed, the adapting support block (18) is squeezed to move via the adjusting plate (20), so that the adapting support block (18) is turned and adjusted via the first rotating shaft (17); and the bottom of the first rotating shaft (17) is limitedly engaged with the matching protrusion (29).

Images