A biotechnology liquid transfer device
By designing a biotechnical pipetting device including fixed tube, rotating handle, lifting assembly and liquid storage assembly, the problem that existing devices can only transfer a single liquid, and efficient transfer and storage of multiple liquids are achieved, and working efficiency is improved.
Patent Information
- Application Number
- CN202420920991.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-04-29
AI Technical Summary
The existing biotechnology pipetting device can only transfer one liquid at a time, but cannot transfer two or more liquids at the same time. It requires multiple cleanings to keep the liquid pure when multiple liquids are transferred, resulting in a reduced transfer efficiency.
A biotechnology pipetting device is designed, including a fixed tube, a rotating handle, a first lifting assembly, a second lifting assembly and a liquid storage assembly. By rotating the drive gear and rack meshing, the base and electric telescopic rod move, the liquid storage tube is pushed out and the liquid is absorbed and stored.
The device can select a liquid storage pipeline according to the user's wishes and extract it sequentially when multiple liquids are transferred, which improves the transfer efficiency and thus improves the user's work efficiency.
Smart Images
Figure CN222694791U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of biotechnology, and specifically to a biotechnology liquid transfer device. Background Art
[0002] A Chinese patent discloses a biotechnology liquid transfer device, the publication number of which is CN214916221U. The article proposes "a biotechnology liquid transfer device, including a columnar block, a liquid transfer structure is arranged on the columnar block, and the liquid transfer structure includes: a liquid storage tube, a connecting part and an extraction part. The liquid storage tube is connected to the columnar block through the connecting part, and the extraction part is arranged on the columnar block and the liquid storage tube. The utility model can be separated and plugged in. After extraction, only the liquid storage bottle needs to be disassembled and taken away, and there is no need to take away the whole thing." During use, the above-mentioned utility model plugs and separates the liquid storage bottle, so that the liquid storage bottle is taken away, and there is no need to transfer the whole thing, which improves the work efficiency of the staff. However, the device can only transfer one liquid during the transfer, and cannot transfer two or more liquids at one time. When using the device to transfer multiple liquids, the device needs to be cleaned multiple times to keep the transferred liquid pure, thereby reducing the transfer efficiency. Therefore, it is very necessary to design a biotechnology liquid transfer device. Utility Model Content
[0003] The purpose of the utility model is to provide a biotechnology liquid transfer device, which solves the problem that the device in the related art can only transfer one liquid during transfer, and cannot transfer two or more liquids at a time. When the device is used to transfer multiple liquids, the device needs to be cleaned multiple times to keep the transferred liquid pure, thereby reducing the transfer efficiency.
[0004] problem.
[0005] The technical solution of the utility model is as follows:
[0006] A biotechnology pipetting device includes a fixed tube, the outer wall of the fixed tube is rotatably connected to a plurality of rotating handles, the plurality of rotating handles are arranged in a circular array on the outer wall of the fixed tube, a plurality of first lifting components are arranged inside the fixed tube for lifting and lowering to take liquid, the plurality of first lifting components are arranged in a circular array on the inner side of the fixed tube, a plurality of first lifting components are arranged at the lower ends thereof with second lifting components for sucking liquid, a plurality of second lifting components are arranged at the outside of the bottom ends thereof with liquid storage components for storing liquid, and a dust cap is threadedly connected to the outer wall of the bottom end of the fixed tube.
[0007] Preferably, the first lifting assembly includes a rotating shaft fixedly connected to one end of the rotating handle, the other end of the rotating shaft penetrates the inner wall of the fixed tube and is fixedly connected to a gear, and one side outer wall of the gear is meshedly connected to a rack.
[0008] Preferably, the first lifting assembly further comprises a slide rail slidably connected to the outer wall of the rack, one side outer wall of the slide rail is fixedly connected to a connecting rod, and the other end of the connecting rod is fixedly connected to the inner wall of the fixed tube.
[0009] Preferably, the first lifting assembly further comprises a track slidably connected to the outer wall at the other end of the gear, and a sliding groove is provided on the outer wall of one side of the track.
[0010] Preferably, the first lifting assembly further comprises a fixing rod slidably connected to the inner wall of the slide groove, and the other end of the fixing rod is fixedly connected to the inner wall of the fixing tube.
[0011] Preferably, the second lifting assembly includes a base fixedly connected to the bottom end of the track, the top outer wall on the other side of the base is fixedly connected to the bottom end of the rack, and the lower end of the base is fixedly connected to an electric telescopic rod.
[0012] Preferably, the second lifting assembly further comprises a mounting seat fixedly connected to the output end of the electric telescopic rod, a push rod is fixedly connected to the bottom end of the mounting seat, and a piston is fixedly connected to the outer wall of the bottom end of the push rod.
[0013] Preferably, the liquid storage assembly includes a liquid storage tube slidably connected to the outer wall of the piston, the push rod passes through the top outer wall of the liquid storage tube and is slidably connected thereto, the bottom end of the liquid storage tube is connected to a suction tube, and the outer wall of the suction tube is snap-fitted with a snap-fit cover.
[0014] Beneficial effects of the utility model:
[0015] 1. The rotating handle drives the rotating shaft to rotate, the rotating shaft drives the gear to rotate, the gear drives the rack to mesh downward on the slide rail, the rack drives the base to move downward, the base drives the electric telescopic rod to move downward, the electric telescopic rod drives the mounting seat to move downward, the mounting seat pushes the liquid storage tube out of the bottom end of the fixed tube, and then the electric telescopic rod is started, and the push rod is driven upward by the output end of the electric telescopic rod, so that the push rod drives the piston to move upward in the liquid storage tube, so that the liquid enters the liquid storage tube and is stored. In this way, the liquid storage tube can be selected according to the user's wishes. At the same time, when there are many types of liquids, the user extracts them in sequence according to the extraction order, thereby improving the transfer efficiency of the device and thus improving the work efficiency of the user. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model;
[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the utility model in front view;
[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of the first lifting component and the liquid storage component of the utility model;
[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the first lifting assembly, the second lifting assembly, and the liquid storage assembly of the utility model;
[0022] Figure 6 It is a schematic diagram of the three-dimensional structure of part of the first lifting assembly of the utility model;
[0023] In the figure: 1. fixed tube; 2. rotating handle; 3. first lifting assembly; 301. gear; 302. rack; 303. slide rail; 304. connecting rod; 305. track; 306. fixed rod; 307. slide groove; 308. rotating shaft; 4. second lifting assembly; 401. base; 402. electric telescopic rod; 403. mounting seat; 404. push rod; 405. piston; 5. liquid storage assembly; 501. liquid storage tube; 502. suction tube; 503. snap-fit cover; 6. dust cap. DETAILED DESCRIPTION
[0024] The following will be combined with 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 of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] like Figure 1-6As shown, this embodiment proposes a biotechnology liquid transfer device, including a fixed tube 1, the outer wall of the fixed tube 1 is rotatably connected to a plurality of rotating handles 2, the plurality of rotating handles 2 are annularly arrayed on the outer wall of the fixed tube 1, a plurality of first lifting components 3 are arranged inside the fixed tube 1 for lifting and taking liquid, the plurality of first lifting components 3 are annularly arrayed on the inner side of the fixed tube 1, the lower ends of the plurality of first lifting components 3 are each provided with a second lifting component 4 for sucking liquid, the bottom ends of the plurality of second lifting components 4 are each provided with a liquid storage component 5 for storing liquid, the outer wall of the bottom end of the fixed tube 1 is threadedly connected to a dust cap 6, the first lifting component 3 includes a rotating shaft 308 fixedly connected to one end of the rotating handle 2, the other end of the rotating shaft 308 passes through the inner wall of the fixed tube 1 and is fixedly connected to a gear 301, one side outer wall of the gear 301 is meshedly connected to a rack 302, the first lifting component 3 also includes a slide rail 303 slidably connected to the outer wall of the rack 302, one side outer wall of the slide rail 303 is fixedly connected There is a connecting rod 304, the other end of which is fixedly connected to the inner wall of the fixed tube 1. The first lifting assembly 3 also includes a track 305 slidably connected to the outer wall of the other end of the gear 301, and a sliding groove 307 is provided on one side outer wall of the track 305. The first lifting assembly 3 also includes a fixing rod 306 slidably connected to the inner wall of the sliding groove 307, and the other end of the fixing rod 306 is fixedly connected to the inner wall of the fixing tube 1. When the other end of the rotating handle 2 drives the rotating shaft 308 to rotate, the rotating shaft 308 drives the gear 301 to rotate, and the gear 301 drives the rack 302 to mesh, so that the rack 302 moves downward on the slide rail 303, and the base 401 moves downward through the rack 302, and at the same time, the track 305 moves downward on the gear 301, and the sliding groove 307 slides downward on the fixing rod 306 through the track 305, so that the slide rail 303 and the track 305 drive the base 401 to move downward at the same time, thereby improving the stability of the movement of the base 401.
[0026] like Figure 2-5As shown, the second lifting assembly 4 includes a base 401 fixedly connected to the bottom end of the track 305, the top outer wall of the other side of the base 401 is fixedly connected to the bottom end of the rack 302, the lower end of the base 401 is fixedly connected to the electric telescopic rod 402, the second lifting assembly 4 also includes a mounting seat 403 fixedly connected to the output end of the electric telescopic rod 402, the bottom end of the mounting seat 403 is fixedly connected to a push rod 404, and the bottom outer wall of the push rod 404 is fixedly connected to a piston 405. When the device completes the transfer, the electric telescopic rod 402 is started, so that the output end of the electric telescopic rod 402 drives the push rod 404 to move downward, and the push rod 404 drives the piston 405 in the liquid storage tube 50 1 moves downward inside, thereby pushing the liquid under the piston 405 out of the liquid storage tube 501, so that the liquid enters the storage device through the suction tube 502. When the piston 405 moves to the top of the liquid storage tube 501, the piston 405 and the liquid storage tube 501 are in a temporarily fixed state. At this time, the piston 405 is continuously driven to move upward by the push rod 404, and the liquid storage tube 501 can be driven to move upward by the piston 405. When the piston 405 moves to the bottom end of the liquid storage tube 501, the push rod 404 continues to drive the piston 405 downward, so that the piston 405 drives the liquid storage tube 501 to move downward together, thereby moving the body of the liquid storage tube 501 out of the bottom end of the fixed tube 1.
[0027] like Figure 2 , Figure 4 and Figure 5 As shown, the liquid storage component 5 includes a liquid storage tube 501 slidably connected to the outer wall of the piston 405, the push rod 404 penetrates the top outer wall of the liquid storage tube 501 and is slidably connected thereto, the bottom end of the liquid storage tube 501 is connected to the suction tube 502, and the outer wall of the suction tube 502 is snap-connected with a snap-on cover 503. When the device is cleaned, the snap-on cover 503 is snap-connected to the outside of the suction tube 502, and then the dust cap 6 is aligned with the bottom end of the fixed tube 1, and the dust cap 6 and the fixed tube 1 are fixed together by threaded fixing, so that the device can be better preserved, thereby reducing the accumulation of dust inside the liquid storage tube 501 and reducing the possibility of liquid contamination during liquid transfer.
[0028] In this embodiment, when in use, when the user needs to transfer multiple liquids, the dust cap 6 is first separated from the fixed tube 1 by threaded rotation, the dust cap 6 is removed, and one of the rotating handles 2 is rotated by hand, and the other end of the rotating handle 2 is used to drive the rotating shaft 308 to rotate, so that the rotating shaft 308 drives the gear 301 to rotate, so that the gear 301 drives the rack 302 to mesh and transmit, so that the rack 302 moves downward on the slide rail 303, so that the rack 302 drives the base 401 to move downward, and the electric telescopic rod 402 is driven downward by the base 401, and the mounting seat 403 is driven downward by the electric telescopic rod 402, so that the mounting seat 403 can store The liquid tube 501 is pushed out of the bottom end of the fixed tube 1, the snap-fit cover 503 is removed from the suction tube 502, and then the suction tube 502 is aligned with the liquid bottle mouth so that the bottom end of the suction tube 502 contacts the liquid. At this time, the electric telescopic rod 402 is started, so that the output end of the electric telescopic rod 402 drives the mounting seat 403 to move upward, and the mounting seat 403 drives the push rod 404 to move upward, and the push rod 404 drives the piston 405 to slide upward inside the liquid storage tube 501, so that a huge pressure is formed in the cavity below the piston 405, so that the liquid inside the liquid bottle moves upward under the action of the large pressure, and enters the liquid storage tube 501 through the suction tube 502 to be stored.
[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A biotechnology liquid transfer device, comprising a fixed tube (1), characterized in that: The outer wall of the fixed tube (1) is rotatably connected to a plurality of rotating handles (2), and the plurality of rotating handles (2) are arranged in a circular array on the outer wall of the fixed tube (1). The interior of the fixed tube (1) is provided with a plurality of first lifting assemblies (3) for lifting and lowering to take liquid. The plurality of first lifting assemblies (3) are arranged in a circular array on the inner side of the fixed tube (1). The lower ends of the plurality of first lifting assemblies (3) are provided with second lifting assemblies (4) for absorbing liquid. The bottom ends of the plurality of second lifting assemblies (4) are provided with liquid storage assemblies (5) for storing liquid. The outer wall of the bottom end of the fixed tube (1) is threadedly connected with a dust cap (6).
2. A biotechnology liquid transfer device according to claim 1, characterized in that: The first lifting assembly (3) comprises a rotating shaft (308) fixedly connected to one end of the rotating handle (2); the other end of the rotating shaft (308) passes through the inner wall of the fixed tube (1) and is fixedly connected to a gear (301); and one side outer wall of the gear (301) is meshingly connected to a rack (302).
3. A biotechnology liquid transfer device according to claim 2, characterized in that: The first lifting assembly (3) further comprises a slide rail (303) slidably connected to the outer wall of the rack (302); a connecting rod (304) is fixedly connected to the outer wall of one side of the slide rail (303); and the other end of the connecting rod (304) is fixedly connected to the inner wall of the fixed tube (1).
4. A biotechnology liquid transfer device according to claim 2, characterized in that: The first lifting assembly (3) further comprises a track (305) slidably connected to the outer wall of the other end of the gear (301), and a sliding groove (307) is provided on one outer wall of the track (305).
5. A biotechnology liquid transfer device according to claim 4, characterized in that: The first lifting assembly (3) further comprises a fixing rod (306) slidably connected to the inner wall of the sliding groove (307), and the other end of the fixing rod (306) is fixedly connected to the inner wall of the fixing tube (1).
6. A biotechnology liquid transfer device according to claim 4, characterized in that: The second lifting assembly (4) comprises a base (401) fixedly connected to the bottom end of the track (305), the top outer wall of the other side of the base (401) is fixedly connected to the bottom end of the rack (302), and the lower end of the base (401) is fixedly connected to an electric telescopic rod (402).
7. A biotechnology liquid transfer device according to claim 6, characterized in that: The second lifting assembly (4) further comprises a mounting seat (403) fixedly connected to the output end of the electric telescopic rod (402), the bottom end of the mounting seat (403) being fixedly connected to a push rod (404), and the outer wall of the bottom end of the push rod (404) being fixedly connected to a piston (405).
8. A biotechnology liquid transfer device according to claim 7, characterized in that: The liquid storage assembly (5) comprises a liquid storage tube (501) slidably connected to the outer wall of the piston (405); the push rod (404) penetrates the top outer wall of the liquid storage tube (501) and is slidably connected thereto; the bottom end of the liquid storage tube (501) is connected to a suction tube (502); and the outer wall of the suction tube (502) is snap-fitted with a snap-fit cover (503).