Online fluid sample loading device
By designing a clamping mechanism and extrusion mechanism in the inline fluid loading device to stabilize the clamping vial and using a cleaning mechanism to clean the injector tip, the problem of easy drop and sample contamination of the vial is solved, and the reliability and cleanliness of the loading process are improved.
Patent Information
- Application Number
- CN202421644923.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-11
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-11
AI Technical Summary
The existing in-line fluid loading device is difficult to stably clamp sample vials of different sizes due to the fixed sample tray structure, resulting in the sample vials being easily dropped; at the same time, the injector is prone to contamination of the samples during loading.
An in-line fluid loading device is designed, using a clamping mechanism and an extrusion mechanism to stabilize the clamping of the sample vial, and the injection tip is cleaned through a cleaning mechanism to avoid sample contamination.
It effectively increases the stability of the sample vial, reduces drop situations, and avoids sample contamination through cleaning mechanisms, improving the reliability and cleanliness of the loading process.
Smart Images
Figure CN222866701U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fluid loading, in particular to an online fluid loading device. Background Art
[0002] An online fluid loading device is a device used to automatically introduce fluid samples into analytical instruments. Today's online fluid loading devices mostly extract samples through an injector and then transport the samples to the analytical instrument through a transport system for online real-time analysis.
[0003] Most of the current sample loading devices are equipped with a sample tray. Since the structure of the sample tray is relatively fixed, it is difficult to effectively stabilize sample bottles of different sizes, which makes it easy for the sample bottles to fall when the sample tray rotates. Secondly, since the injector needs to be mixed into the interior of the sample bottle, the sample inside the sample bottle will adhere to the tip of the injector. When the injector loads different samples, the sample attached to the tip of the injector contaminates other samples. Utility Model Content
[0004] The purpose of the present utility model is to provide an online fluid loading device to solve the problem mentioned in the above background technology that due to the relatively fixed structure of the sample tray, it is difficult to effectively stabilize sample bottles of different sizes, which makes it easy for the sample bottles to fall when the sample tray rotates. Secondly, since the injector needs to be mixed into the interior of the sample bottle, the sample inside the sample bottle will adhere to the tip of the injector. When the injector loads different samples, the sample attached to the tip of the injector contaminates other samples. To achieve the above purpose, the present utility model provides the following technical solutions: an online fluid loading device, including a loading mechanism, the inner wall of the loading mechanism is fixedly connected to one end of the clamping mechanism, and the inner wall of the loading mechanism is fixedly connected to the bottom end of the extrusion mechanism.
[0005] One end of the clamping mechanism is movably abutted against the outer wall of the extrusion mechanism, the bottom end of the loading mechanism is fixedly connected to the top end of the cleaning mechanism, and the inner wall of the cleaning mechanism is fixedly connected to one end of the mounting mechanism.
[0006] Preferably, the loading mechanism includes a sample tray base, a sample loading rack and a fixed limiting plate, and the top of the sample tray base is fixedly connected to the bottom of the sample loading rack, the inner wall of the sample tray base is provided with a placement groove, and the inner wall of the placement groove is fixedly connected to the outer wall of the fixed limiting plate, the interior of the sample tray base is provided with an extrusion groove, and the interior of the sample tray base is provided with a spring groove, both sides of the spring groove are provided with movable openings, and the movable openings are respectively communicated with the interiors of the placement groove and the extrusion groove.
[0007] Preferably, the clamping mechanism consists of a return spring, a moving block, a moving rod and a moving limiting plate, and one end of the return spring is fixedly connected to the inner wall of the spring groove, the other end of the return spring is fixedly connected to one end of the moving block, and a fixed groove is provided inside the moving block, the inner wall of the fixed groove is fixedly connected to the outer wall of the moving rod, and the outer wall of the moving rod is movably connected to the inner wall of the moving mouth, one end of the moving rod is fixedly connected to one side of the moving limiting plate, and the outer wall of the moving limiting plate is movably connected to the inner wall of the placement groove, and the outer wall of the moving block is movably connected to the inner wall of the spring groove.
[0008] Preferably, the extrusion mechanism includes a threaded rod, a truncated cone rotating disk and a rotating block, and the bottom end of the threaded rod is fixedly connected to the inner wall of the extrusion groove, the outer wall of the truncated cone rotating disk is movably connected to the inner wall of the extrusion groove, and a threaded groove is provided inside the truncated cone rotating disk, the inner wall of the threaded groove is threadedly connected to the outer wall of the threaded rod, and the top end of the truncated cone rotating disk is fixedly connected to the bottom end of the rotating block.
[0009] Preferably, the cleaning mechanism consists of a supporting frame, a cleaning frame and cleaning cotton, and the top end of the supporting frame is fixedly connected to the bottom end of the loading frame, a mounting groove is provided inside the supporting frame, and a clamping groove is provided on the inner wall of the mounting groove, the inner wall of the mounting groove is movably connected to the outer wall of the cleaning frame, and a through groove is provided inside the cleaning frame, the inner wall of the through groove is fixedly connected to the outer wall of the cleaning cotton, and a storage groove is provided inside the cleaning frame, and a movable groove is provided at the bottom of the storage groove.
[0010] Preferably, the mounting mechanism includes a connecting spring, a clamping block, an extension plate and a pushing block, and one end of the connecting spring is fixedly connected to the inner wall of the storage groove, the other end of the connecting spring is fixedly connected to one end of the clamping block, and the outer wall of the clamping block is movably connected to the inner wall of the storage groove, the bottom end of the clamping block is fixedly connected to the top end of the extension plate, and one side of the extension plate is fixedly connected to one side of the pushing block, and the outer wall of the extension plate is movably connected to the inner wall of the movable groove.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] The utility model discloses a sample bottle is placed inside the sample plate base so that the sample bottle is located between the fixed limiting piece and the movable limiting piece. The rotating block drives the truncated cone-shaped rotating plate to rotate. The rotation of the truncated cone-shaped rotating plate causes the truncated cone-shaped rotating plate to move downwardly along the outer wall of the threaded rod. The threaded rod moves downwardly to squeeze one end of the moving rod. The one end of the moving rod is squeezed and drives the moving block to move. The movement of the moving block squeezes the reset spring. The moving rod is squeezed and drives the movable limiting piece to move toward the outer wall of the sample bottle, thereby clamping the sample bottle. The stability of the sample bottle after being placed is increased, and the situation of the sample bottle falling is reduced.
[0013] In the utility model, when the sample loading operation is performed on the sample loading rack, the outer wall of the tip of the sample injector will pass through the inside of the cleaning cotton, and the outer wall of the tip will be cleaned by the cleaning cotton. When the sample loading is completed and the cleaning rack is replaced, the extension plate of the moving push block is moved, and the movement of the extension plate drives the card block to move. The movement of the card block squeezes the connecting spring, and the card block is away from the inside of the card slot, so that the cleaning rack is not limited, and then the cleaning rack is replaced, which facilitates the device to clean the outer wall of the tip of the sample injector and avoids contamination of the sample. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the utility model;
[0015] Figure 2 It is a cross-sectional view of the utility model;
[0016] Figure 3 It is an exploded view of the utility model;
[0017] Figure 4 It is an exploded view of the utility model;
[0018] Figure 5 It is an exploded view of the utility model;
[0019] Figure 6 It is an exploded view of the utility model;
[0020] Figure 7 It is an exploded view of the present utility model.
[0021] In the figure: 1. loading mechanism; 101. sample plate base; 102. loading rack; 103. fixed limit plate; 2. clamping mechanism; 201. reset spring; 202. moving block; 203. moving rod; 204. moving limit plate; 3. squeezing mechanism; 301. threaded rod; 302. truncated cone-shaped rotating disk; 303. rotating block; 4. cleaning mechanism; 401. supporting frame; 402. cleaning frame; 403. cleaning cotton; 5. mounting mechanism; 501. connecting spring; 502. clamping block; 503. extension plate; 504. pushing block. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figures 1 to 7The utility model provides a technical solution: an online fluid loading device, comprising a loading mechanism 1, the inner wall of the loading mechanism 1 is fixedly connected to one end of a clamping mechanism 2, and the inner wall of the loading mechanism 1 is fixedly connected to the bottom end of an extrusion mechanism 3.
[0024] One end of the clamping mechanism 2 is movably connected to the outer wall of the extrusion mechanism 3 , the bottom end of the loading mechanism 1 is fixedly connected to the top end of the cleaning mechanism 4 , and the inner wall of the cleaning mechanism 4 is fixedly connected to one end of the mounting mechanism 5 .
[0025] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, the loading mechanism 1 includes a sample tray base 101, a loading rack 102 and a fixed limiting piece 103, and the top of the sample tray base 101 is fixedly connected to the bottom of the loading rack 102, the inner wall of the sample tray base 101 is provided with a placement groove, and the inner wall of the placement groove is fixedly connected to the outer wall of the fixed limiting piece 103, the interior of the sample tray base 101 is provided with an extrusion groove, and the interior of the sample tray base 101 is provided with a spring groove, both sides of the spring groove are provided with movable openings, and the movable openings are respectively communicated with the interior of the placement groove and the extrusion groove, and the sample is loaded through the loading rack 102.
[0026] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, the clamping mechanism 2 is composed of a return spring 201, a moving block 202, a moving rod 203 and a moving limiting piece 204, and one end of the return spring 201 is fixedly connected to the inner wall of the spring groove, the other end of the return spring 201 is fixedly connected to one end of the moving block 202, and a fixed groove is provided inside the moving block 202, the inner wall of the fixed groove is fixedly connected to the outer wall of the moving rod 203, and the outer wall of the moving rod 203 is movably connected to the inner wall of the moving opening, one end of the moving rod 203 is fixedly connected to one side of the moving limiting piece 204, and the outer wall of the moving limiting piece 204 is movably connected to the inner wall of the placement groove, the outer wall of the moving block 202 is movably connected to the inner wall of the spring groove, one end of the moving rod 203 is squeezed to drive the moving block 202 to move, the movement of the moving block 202 squeezes the return spring 201, and the moving rod 203 is squeezed to drive the moving limiting piece 204 to move toward the outer wall of the sample bottle, thereby clamping the sample bottle.
[0027] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, the extrusion mechanism 3 includes a threaded rod 301, a truncated cone rotating disk 302 and a rotating block 303, and the bottom end of the threaded rod 301 is fixedly connected to the inner wall of the extrusion groove, the outer wall of the truncated cone rotating disk 302 is movably connected to the inner wall of the extrusion groove, and a thread groove is provided inside the truncated cone rotating disk 302, the inner wall of the thread groove is threadedly connected to the outer wall of the threaded rod 301, and the top of the truncated cone rotating disk 302 is fixedly connected to the bottom end of the rotating block 303, and the rotating block 303 is rotated to drive the truncated cone rotating disk 302 to rotate, and the rotation of the truncated cone rotating disk 302 causes the truncated cone rotating disk 302 to move downward along the outer wall of the threaded rod 301, and the threaded rod 301 moves downward to squeeze one end of the moving rod 203.
[0028] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, the cleaning mechanism 4 is composed of a supporting frame 401, a cleaning frame 402 and cleaning cotton 403, and the top of the supporting frame 401 is fixedly connected to the bottom end of the sample loading rack 102, a mounting groove is provided inside the supporting frame 401, and a clamping groove is provided on the inner wall of the mounting groove, the inner wall of the mounting groove is movably connected to the outer wall of the cleaning frame 402, and a through groove is provided inside the cleaning frame 402, the inner wall of the through groove is fixedly connected to the outer wall of the cleaning cotton 403, and a storage groove is provided inside the cleaning frame 402, and a movable groove is provided at the bottom of the storage groove. When the sample loading rack 102 is performing a loading operation, the outer wall of the tip of the sample injector will pass through the inside of the cleaning cotton 403, and the outer wall of the tip will be cleaned by the cleaning cotton 403.
[0029] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7As shown, the mounting mechanism 5 includes a connecting spring 501, a block 502, an extension plate 503 and a pushing block 504, and one end of the connecting spring 501 is fixedly connected to the inner wall of the receiving groove, the other end of the connecting spring 501 is fixedly connected to one end of the block 502, and the outer wall of the block 502 is movably connected to the inner wall of the receiving groove, the bottom end of the block 502 is fixedly connected to the top of the extension plate 503, and one side of the extension plate 503 is fixedly connected to one side of the pushing block 504, the outer wall of the extension plate 503 is movably connected to the inner wall of the movable groove, the extension plate 503 brought by the movable pushing block 504 moves, the extension plate 503 moves to drive the block 502 to move, the block 502 moves to squeeze the connecting spring 501, and at the same time the block 502 is away from the inside of the slot, so that the cleaning rack 402 is not limited, and the cleaning rack 402 is replaced.
[0030] The use method and advantages of the utility model: When the online fluid loading device is working, the working process is as follows:
[0031] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, the sample bottle is placed inside the sample plate base 101 so that the sample bottle is located between the fixed limiting piece 103 and the movable limiting piece 204. The rotating block 303 drives the truncated cone-shaped rotating disk 302 to rotate. The rotation of the truncated cone-shaped rotating disk 302 causes the truncated cone-shaped rotating disk 302 to move downward along the outer wall of the threaded rod 301. The threaded rod 301 moves downward to squeeze one end of the moving rod 203. The one end of the moving rod 203 is squeezed to drive the moving block 202 to move. The movement of the moving block 202 squeezes the reset spring 201. The moving rod 203 is squeezed to drive the moving limiting piece 204 to move. The sheet 204 moves toward the outer wall of the sample bottle, and then clamps the sample bottle. When the sample loading rack 102 is loading, the outer wall of the tip of the sample injector will pass through the inside of the cleaning cotton 403, and the outer wall of the tip will be cleaned by the cleaning cotton 403. When the cleaning rack 402 is replaced after the loading is completed, the extension plate 503 brought by the moving push block 504 moves, and the movement of the extension plate 503 drives the block 502 to move. The block 502 moves to squeeze the connecting spring 501, and at the same time, the block 502 is away from the inside of the card slot, so that the cleaning rack 402 is not limited, and then the cleaning rack 402 is replaced.
[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. An online fluid loading device, comprising a loading mechanism (1), characterized in that: The inner wall of the loading mechanism (1) is fixedly connected to one end of the clamping mechanism (2), and the inner wall of the loading mechanism (1) is fixedly connected to the bottom end of the squeezing mechanism (3); One end of the clamping mechanism (2) is movably abutted against the outer wall of the extrusion mechanism (3), the bottom end of the loading mechanism (1) is fixedly connected to the top end of the cleaning mechanism (4), and the inner wall of the cleaning mechanism (4) is fixedly connected to one end of the mounting mechanism (5).
2. An online fluid loading device according to claim 1, characterized in that: The sample loading mechanism (1) comprises a sample tray base (101), a sample loading rack (102) and a fixed limiting plate (103), wherein the top end of the sample tray base (101) is fixedly connected to the bottom end of the sample loading rack (102), the inner wall of the sample tray base (101) is provided with a placement groove, and the inner wall of the placement groove is fixedly connected to the outer wall of the fixed limiting plate (103), the interior of the sample tray base (101) is provided with an extrusion groove, and the interior of the sample tray base (101) is provided with a spring groove, and both sides of the spring groove are provided with moving openings, and the moving openings are respectively communicated with the interiors of the placement groove and the extrusion groove.
3. An online fluid loading device according to claim 2, characterized in that: The clamping mechanism (2) is composed of a reset spring (201), a moving block (202), a moving rod (203) and a moving limiting plate (204), wherein one end of the reset spring (201) is fixedly connected to the inner wall of the spring groove, the other end of the reset spring (201) is fixedly connected to one end of the moving block (202), and a fixed groove is provided inside the moving block (202), the inner wall of the fixed groove is fixedly connected to the outer wall of the moving rod (203), and the outer wall of the moving rod (203) is movably connected to the inner wall of the moving opening, one end of the moving rod (203) is fixedly connected to one side of the moving limiting plate (204), and the outer wall of the moving limiting plate (204) is movably connected to the inner wall of the placement groove, and the outer wall of the moving block (202) is movably connected to the inner wall of the spring groove.
4. An online fluid loading device according to claim 3, characterized in that: The extrusion mechanism (3) comprises a threaded rod (301), a truncated cone-shaped rotating disk (302) and a rotating block (303), wherein the bottom end of the threaded rod (301) is fixedly connected to the inner wall of the extrusion groove, the outer wall of the truncated cone-shaped rotating disk (302) is movably connected to the inner wall of the extrusion groove, and a thread groove is provided inside the truncated cone-shaped rotating disk (302), the inner wall of the thread groove is threadedly connected to the outer wall of the threaded rod (301), and the top end of the truncated cone-shaped rotating disk (302) is fixedly connected to the bottom end of the rotating block (303).
5. An online fluid loading device according to claim 2, characterized in that: The cleaning mechanism (4) is composed of a support frame (401), a cleaning frame (402) and cleaning cotton (403), and the top end of the support frame (401) is fixedly connected to the bottom end of the sample loading frame (102), the support frame (401) is provided with a mounting groove inside, and the inner wall of the mounting groove is provided with a clamping groove, the inner wall of the mounting groove is movably connected to the outer wall of the cleaning frame (402), and the cleaning frame (402) is provided with a through groove inside, the inner wall of the through groove is fixedly connected to the outer wall of the cleaning cotton (403), and the cleaning frame (402) is provided with a storage groove inside, and the bottom of the storage groove is provided with a movable groove.
6. An online fluid loading device according to claim 5, characterized in that: The mounting mechanism (5) comprises a connecting spring (501), a clamping block (502), an extension plate (503) and a pushing block (504), wherein one end of the connecting spring (501) is fixedly connected to the inner wall of the receiving groove, the other end of the connecting spring (501) is fixedly connected to one end of the clamping block (502), and the outer wall of the clamping block (502) is movably connected to the inner wall of the receiving groove, the bottom end of the clamping block (502) is fixedly connected to the top end of the extension plate (503), and one side of the extension plate (503) is fixedly connected to one side of the pushing block (504), and the outer wall of the extension plate (503) is movably connected to the inner wall of the movable groove.