Gas chromatograph detection auxiliary device
By designing a clamping device in a gas chromatograph, and using the cooperation of springs and circular hole blocks, rapid fixation of vessels of different sizes is achieved, the problems of waste of materials and low fixation efficiency in the prior art are solved, and the convenience and efficiency of the detection auxiliary device are improved.
Patent Information
- Application Number
- CN202421162060.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-05-27
AI Technical Summary
When detecting samples of different doses, existing gas chromatographs need to replace vessels and turntables of different sizes, resulting in waste of material resources and reduced fixation efficiency.
A gas chromatograph detection auxiliary device including a clamping device is designed. By manually moving the second clamp, the circular hole block is driven to move left and right along the rectangular hole, and the reaction force of the spring is used to clamp and fix the vessels of different sizes.
It realizes rapid fixation of vessels of different sizes, reduces the waste of material to replace turntables of different sizes, and improves fixing efficiency and convenience.
Smart Images
Figure CN222800682U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of detection auxiliary equipment, in particular to a gas chromatograph detection auxiliary device. Background Art
[0002] Gas chromatograph is an instrument that uses chromatographic separation and detection technology to perform qualitative and quantitative analysis on complex multi-component mixtures. It can usually be used to analyze thermally stable organic matter in the soil with a boiling point not exceeding 500°C, such as volatile organic compounds, organochlorine, organophosphorus, polycyclic aromatic hydrocarbons, phthalates, etc.
[0003] Existing gas chromatographs mostly use an automatic sampler installed on the equipment, and then the vessel is inserted into the hole on the turntable and the sample is injected into the vessel through the injection needle, so as to assist personnel in testing the sample inside the vessel and improve the personnel's testing efficiency of the sample. However, since the size of the hole on the turntable is fixed, and personnel need to replace vessels of different sizes to accommodate the samples when testing samples of different doses, it may cause personnel to need to replace turntables of different sizes to fix vessels of different sizes, resulting in a waste of material resources and a reduction in the efficiency of fixing the vessels. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and proposes a gas chromatograph detection auxiliary device.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a gas chromatograph detection auxiliary device, including a body, a sampling needle is provided on one side of the body, a controller is provided on one side of the body, a turntable is provided on one side of the body, a clamping device is provided on one side of the turntable, an anti-mistouch device is provided on one side of the controller, the clamping device includes a first clamping plate, the first clamping plate is fixedly connected to the turntable through a connecting rod, one side of the first clamping plate is fixedly connected to a rectangular plate, one side of the rectangular plate is provided with a rectangular hole, the inner wall of the rectangular hole is fixedly connected to a spring, the inner wall of the rectangular hole is slidably connected to a circular hole block, the other end of the spring is fixedly connected to the circular hole block, and one side of the circular hole block is fixedly connected to a second clamping plate.
[0006] The effect achieved by the above components is: by setting the clamping device, first manually move the second clamping plate, so that the second clamping plate drives the circular hole block to move left and right along the inside of the rectangular hole and stretch the spring. At this time, the vessel is placed on the rectangular plate and located in the middle of the first clamping plate and the second clamping plate. At this time, the second clamping plate is released, and under the reaction force of the spring, the spring pulls the circular hole block to move in the direction close to the first clamping plate, so that the circular hole block drives the second clamping plate to move in the direction close to the first clamping plate. When the second clamping plate moves to a position that cooperates with the first clamping plate and squeezes the surface of the vessel at the same time, the clamping and fixing of the vessel is completed, so that personnel can clamp and fix vessels of different sizes by moving the position of the second clamping plate and cooperating with the first clamping plate, reducing the waste of materials caused by replacing turntables of different sizes when fixing vessels of different sizes, and improving the convenience and efficiency of fixing vessels of different sizes.
[0007] Preferably, the first clamping plate and the second clamping plate are both fixedly connected to adjacent sides with rubber pads, and the surface of the rubber pads is arc-shaped.
[0008] The effect achieved by the above components is: by arranging the rubber pad, the rubber pad can fill the gap between the first clamping plate, the second clamping plate and the surface of the vessel, thereby reducing the shaking or sliding of the vessel.
[0009] Preferably, a round rod is fixedly connected to the inner wall of the rectangular hole, the surface of the round rod is slidably connected to the inner wall of the circular hole block, and the round rod is arranged inside the spring.
[0010] The effect achieved by the above components is: by arranging the round rod, the round rod can be located inside the circular hole block and the spring to assist in limiting them, thereby reducing the shaking of the circular hole block and reducing the large deformation of the spring.
[0011] Preferably, a handle is fixedly connected to one side of the second clamping plate, and a plurality of anti-slip protrusions are provided on the inner side of the handle.
[0012] The effect achieved by the above components is: by providing a handle, a person can drive the second clamping plate to move quickly by manually moving the handle, thereby improving the convenience of manually moving the second clamping plate.
[0013] Preferably, a positioning rod is fixedly connected to one side of the first clamping plate, a circular hole plate is fixedly connected to one side of the second clamping plate, and a surface of the positioning rod is slidably connected to an inner wall of the circular hole plate.
[0014] The effect achieved by the above components is: by setting the positioning rod and the circular hole plate, the positioning rod can be located inside the circular hole plate to limit the second clamping plate, thereby reducing the shaking of the second clamping plate away from the circular hole block during use.
[0015] Preferably, the anti-mistouch device comprises a slide rail, the slide rail is fixedly connected to a side of the controller close to the button, and a protective plate is slidably connected to the inner wall of the slide rail.
[0016] The effect achieved by the above components is: by setting up an anti-mistouch device, first manually move the protective plate so that the protective plate moves up and down along the inside of the slide rail. When the protective plate moves to a position that completely covers the buttons on the controller, the protective plate intercepts external objects, thereby reducing the situation where personnel accidentally touch the buttons on the controller during sampling and testing, causing changes in the operation of the machine.
[0017] Preferably, a pull rod is fixedly connected to one side of the protective plate, and the surface of the pull rod is concave.
[0018] The effect achieved by the above components is: by setting the pull rod, the pull rod can provide a fulcrum for personnel to manually move the protective plate, so that the personnel can drive the protective plate to move quickly by manually moving the pull rod.
[0019] Preferably, a circular groove is formed on one side of the slide rail, a circular hole is formed on one side of the pull rod, a latch is slidably connected to the inner wall of the circular hole, and the surface size and shape of the latch are matched with the size and shape of the inner wall of the circular groove.
[0020] The effect achieved by the above components is: by arranging the latch, the latch can be inserted into the circular hole and the inner position of the circular groove to fix the position of the protective plate, thereby improving the stability of the protective plate.
[0021] Compared with the prior art, the advantages and positive effects of the utility model are:
[0022] In the utility model, vessels of different sizes can be quickly fixed by arranging a clamping device, which reduces the waste of materials caused by replacing turntables of different sizes when fixing vessels of different sizes, and improves the convenience and efficiency of fixing vessels of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0024] Figure 2 It is a schematic diagram of the partial structure of the rectangular plate of the utility model;
[0025] Figure 3 It is a partial structural schematic diagram of the second splint of the utility model;
[0026] Figure 4 It is a schematic diagram of the partial structure of the protective plate of the utility model.
[0027] Legend: 1. Machine body; 2. Injection needle; 3. Controller; 4. Turntable; 5. Clamping device; 51. First clamping plate; 52. Rectangular plate; 53. Rectangular hole; 54. Spring; 55. Round rod; 56. Rubber pad; 57. Positioning rod; 58. Round hole block; 59. Second clamping plate; 510. Handle; 511. Round hole plate; 6. Anti-accidental touch device; 61. Slide rail; 62. Protective plate; 63. Pull rod; 64. Round groove; 65. Round hole; 66. Latch. DETAILED DESCRIPTION
[0028] Reference Figure 1-3 As shown, the present embodiment discloses a gas chromatograph detection auxiliary device, comprising a body 1, a sampling needle 2 is arranged on one side of the body 1, a controller 3 is arranged on one side of the body 1, a turntable 4 is arranged on one side of the body 1, a clamping device 5 is arranged on one side of the turntable 4, an anti-mistouch device 6 is arranged on one side of the controller 3, the clamping device 5 comprises a first clamping plate 51, the first clamping plate 51 is fixedly connected to the turntable 4 through a connecting rod, a rectangular plate 52 is fixedly connected to one side of the first clamping plate 51, a rectangular hole 53 is opened on one side of the rectangular plate 52, a spring 54 is fixedly connected to the inner wall of the rectangular hole 53, a circular hole block 58 is slidably connected to the inner wall of the rectangular hole 53, the other end of the spring 54 is fixedly connected to the circular hole block 58, and a second clamping plate 59 is fixedly connected to one side of the circular hole block 58. By setting the clamping device 5, the second clamping plate 59 is firstly manually moved so that the second clamping plate 59 drives The circular hole block 58 moves left and right along the inside of the rectangular hole 53 and stretches the spring 54. At this time, the vessel is placed on the rectangular plate 52 and located in the middle of the first clamping plate 51 and the second clamping plate 59. At this time, the second clamping plate 59 is released, and under the reaction force of the spring 54, the spring 54 pulls the circular hole block 58 to move closer to the first clamping plate 51, so that the circular hole block 58 drives the second clamping plate 59 to move closer to the first clamping plate 51. When the second clamping plate 59 moves to a position to cooperate with the first clamping plate 51 and squeeze the surface of the vessel at the same time, the clamping and fixing of the vessel is completed, so that personnel can clamp and fix vessels of different sizes by moving the position of the second clamping plate 59 and cooperating with the first clamping plate 51, reducing the waste of materials caused by replacing turntables 4 of different sizes when fixing vessels of different sizes, and improving the convenience and efficiency of fixing vessels of different sizes.
[0029] Reference Figure 2 and Figure 3As shown, this embodiment discloses that the adjacent sides of the first clamping plate 51 and the second clamping plate 59 are fixedly connected with a rubber pad 56, and the surface of the rubber pad 56 is arc-shaped. By arranging the rubber pad 56, the rubber pad 56 can increase the gap between the first clamping plate 51, the second clamping plate 59 and the surface of the vessel to fill it, thereby reducing the shaking or sliding of the vessel. The inner wall of the rectangular hole 53 is fixedly connected with a round rod 55, and the surface of the round rod 55 is slidably connected to the inner wall of the circular hole block 58. The round rod 55 is arranged inside the spring 54. By arranging the round rod 55, the round rod 55 can be located inside the circular hole block 58 and the spring 54 to assist in limiting them, thereby reducing the shaking of the circular hole block 58 and reducing the large deformation of the spring 54.
[0030] Reference Figure 2 and Figure 3 As shown, the present embodiment discloses that a handle 510 is fixedly connected to one side of the second clamping plate 59, and a plurality of anti-slip protrusions are provided on the inner side of the handle 510. By providing the handle 510, a person can drive the second clamping plate 59 to move quickly by manually moving the handle 510, thereby improving the convenience of manually moving the second clamping plate 59. A positioning rod 57 is fixedly connected to one side of the first clamping plate 51, and a circular hole plate 511 is fixedly connected to one side of the second clamping plate 59. The surface of the positioning rod 57 is slidably connected to the inner wall of the circular hole plate 511. By providing the positioning rod 57 and the circular hole plate 511, the positioning rod 57 can be located inside the circular hole plate 511 to limit the second clamping plate 59, thereby reducing the shaking of the second clamping plate 59 away from the circular hole block 58 during use.
[0031] Reference Figure 4 As shown, this embodiment discloses that the anti-mistouch device 6 includes a slide rail 61, and the slide rail 61 is fixedly connected to the side of the controller 3 close to the button. The inner wall of the slide rail 61 is slidably connected with a protective plate 62. By setting the anti-mistouch device 6, the protective plate 62 is first manually moved to make the protective plate 62 move up and down along the inside of the slide rail 61. When the protective plate 62 moves to a position that completely covers the button on the controller 3, the protective plate 62 intercepts external objects, thereby reducing the situation where people accidentally touch the button on the controller 3 during sampling and detection, causing changes in the operation of the body 1.
[0032] Reference Figure 4As shown, the present embodiment discloses that one side of the protective plate 62 is fixedly connected with a pull rod 63, and the surface of the pull rod 63 is concave. By setting the pull rod 63, the pull rod 63 can provide a fulcrum for personnel to manually move the protective plate 62, so that the personnel can drive the protective plate 62 to move quickly by manually moving the pull rod 63. A circular groove 64 is provided on one side of the slide rail 61, and a circular hole 65 is provided on one side of the pull rod 63. The inner wall of the circular hole 65 is slidably connected with a latch 66. The surface size and shape of the latch 66 are adapted to the size and shape of the inner wall of the circular groove 64. By setting the latch 66, the latch 66 can be inserted into the circular hole 65 and the inner position of the circular groove 64 to fix the position of the protective plate 62, thereby improving the stability of the protective plate 62.
[0033] Working principle: first, manually move the handle 510 so that the handle 510 drives the second clamping plate 59 to move, so that the second clamping plate 59 drives the circular hole block 58 to move left and right along the inside of the rectangular hole 53 and stretch the spring 54. At this time, the vessel is placed on the rectangular plate 52 and located in the middle of the first clamping plate 51 and the second clamping plate 59. At this time, the second clamping plate 59 is released. Under the reaction force of the spring 54, the spring 54 pulls the circular hole block 58 to move toward the first clamping plate 51, so that the circular hole block 58 drives the second clamping plate 59 to move toward the first clamping plate 51. When the second clamping plate 59 moves to the position where it cooperates with the first clamping plate 51 and squeezes the surface of the vessel at the same time, the clamping and fixing of the vessel is completed. At this time, the machine body 1 is started so that the machine body 1 automatically injects the sample into the vessel through the injection needle 2, completes the auxiliary injection of the vessel, and improves the detection efficiency.
[0034] First, manually move the pull rod 63 so that the pull rod 63 drives the protective plate 62 to move, and the protective plate 62 moves up and down along the slide rail 61. When the protective plate 62 moves to a position that completely covers the button on the controller 3, the inner wall of the circular hole 65 coincides with the inner wall of the circular groove 64. At this time, insert the pin 66 into the circular hole 65 and the circular groove 64 to fix the protective plate 62, so that the protective plate 62 intercepts external objects and completes the prevention of accidental touching of the buttons on the controller 3.
[0035] The above is only a preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model. In the description of the utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood by specific circumstances.
Claims
1. A gas chromatograph detection auxiliary device, comprising a body (1), characterized in that: A sampling needle (2) is arranged on one side of the body (1), a controller (3) is arranged on one side of the body (1), a turntable (4) is arranged on one side of the body (1), a clamping device (5) is arranged on one side of the turntable (4), an anti-mistouch device (6) is arranged on one side of the controller (3), and the clamping device (5) comprises a first clamping plate (51), the first clamping plate (51) is fixedly connected to the turntable (4) via a connecting rod, a rectangular plate (52) is fixedly connected to one side of the first clamping plate (51), a rectangular hole (53) is opened on one side of the rectangular plate (52), a spring (54) is fixedly connected to the inner wall of the rectangular hole (53), a circular hole block (58) is slidably connected to the inner wall of the rectangular hole (53), the other end of the spring (54) is fixedly connected to the circular hole block (58), and a second clamping plate (59) is fixedly connected to one side of the circular hole block (58).
2. A gas chromatograph detection auxiliary device according to claim 1, characterized in that: A rubber pad (56) is fixedly connected to adjacent sides of the first clamping plate (51) and the second clamping plate (59), and the surface of the rubber pad (56) is arc-shaped.
3. A gas chromatograph detection auxiliary device according to claim 2, characterized in that: A round rod (55) is fixedly connected to the inner wall of the rectangular hole (53); the surface of the round rod (55) is slidably connected to the inner wall of the round hole block (58); and the round rod (55) is arranged inside the spring (54).
4. A gas chromatograph detection auxiliary device according to claim 3, characterized in that: A handle (510) is fixedly connected to one side of the second clamping plate (59), and a plurality of anti-slip protrusions are provided on the inner side of the handle (510).
5. A gas chromatograph detection auxiliary device according to claim 4, characterized in that: One side of the first clamping plate (51) is fixedly connected to a positioning rod (57), one side of the second clamping plate (59) is fixedly connected to a circular hole plate (511), and the surface of the positioning rod (57) is slidably connected to the inner wall of the circular hole plate (511).
6. A gas chromatograph detection auxiliary device according to claim 1, characterized in that: The anti-mis-touch device (6) comprises a slide rail (61), the slide rail (61) is fixedly connected to a side of the controller (3) close to the button, and a protective plate (62) is slidably connected to the inner wall of the slide rail (61).
7. A gas chromatograph detection auxiliary device according to claim 6, characterized in that: A pull rod (63) is fixedly connected to one side of the protection plate (62), and the surface of the pull rod (63) is concave.
8. A gas chromatograph detection auxiliary device according to claim 7, characterized in that: A circular groove (64) is formed on one side of the slide rail (61), a circular hole (65) is formed on one side of the pull rod (63), a latch (66) is slidably connected to the inner wall of the circular hole (65), and the surface size and shape of the latch (66) are matched to the size and shape of the inner wall of the circular groove (64).