A pipette holder
By designing the limiting unit and clamping unit of the pipette fixing bracket, the problems of instability of the pipette during long-term use and inconvenience in fixing the tip box are solved, realizing stable clamping and self-locking of the pipette, and improving the practicality and portability of the device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 靳乾巍
- Filing Date
- 2025-06-24
- Publication Date
- 2026-06-30
AI Technical Summary
In the prior art, pipettes are prone to instability and errors due to operator fatigue during long-term use, and it is also inconvenient to fix the tip box, which affects the practicality of the device.
A pipette holder was designed, comprising a limiting unit, a clamping unit, and a fixing unit. Through a combination of a placement tray, a slide groove, a spring, a clamping plate, a pull rod, an anti-slip pad, a placement frame, a fixing frame, a clamping block, anti-slip teeth, a moving block, a slide rod, a limiting block, an arc-shaped block, a semi-circular block, inclined teeth, a T-shaped rod, and a spring, stable clamping and self-locking of the pipette are achieved.
This effectively prevents the pipette from falling off and being damaged due to external impact, improves the practicality and portability of the device, and ensures the stability and ease of operation of the pipette during long-term use.
Smart Images

Figure CN224422932U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pipette fixing technology, specifically to a pipette fixing bracket. Background Technology
[0002] A pipette is a type of pipette commonly used in laboratories for transferring small or trace amounts of liquid. Different sizes of pipettes are used with different sized tips, and the shapes of pipettes produced by different manufacturers may vary slightly, but the working principle and operation method are basically the same. Pipettes are precision instruments and must be handled and stored with care to prevent damage and avoid affecting their volume.
[0003] The current publication number CN220386613U discloses a novel pipette fixing bracket, which relates to the field of laboratory instrument technology. It includes a base, an adjustment component is provided on the top outer wall of the base, the adjustment component is adapted to the base, a support groove is welded to the top of one side of the outer wall of the adjustment component, and an installation rod is slidably connected to the inner wall of the support groove, the installation rod is adapted to the support groove.
[0004] To address the issue that operation gradually becomes unstable due to exhaustion, leading to errors caused by operator fatigue and making it unsuitable for long-term, large-scale use, existing technology uses a clamping block to hold and fix the pipette. This method is simple and convenient to use, but it still presents the problem of not being convenient for fixing and installing the pipette tip holder, thus resulting in low practicality of the device. Utility Model Content
[0005] The purpose of this invention is to provide a pipette fixing bracket to solve the problems mentioned in the background art.
[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:
[0007] A pipette holder includes a pipette tip box body, a limiting unit is provided on the bottom side of the pipette tip box body, clamping units are provided on both sides of the limiting unit, and a fixing unit is provided on one side of the clamping unit.
[0008] The limiting unit includes a placement tray, which is disposed on the bottom side of the suction head box body. A sliding groove is provided inside the placement tray. A spring is fixedly connected to one side of the sliding groove. A clamping plate is fixedly connected to one end of the spring. The two sides of the clamping plate are slidably disposed inside the placement tray. A pull rod is fixedly connected to one side of the clamping plate. An anti-slip pad is fixedly connected to one side of the clamping plate.
[0009] A further improvement of the present invention is that the clamping unit includes a placement frame, the placement frame is fixedly connected to both sides of the placement tray, a fixing frame is fixedly connected to one side of the placement frame, and a clamping block is rotatably connected inside the fixing frame.
[0010] By adopting the above technical solution, the placement rack, fixing rack and clamping block are set up to facilitate the clamping and limiting of the pipette placement, and avoid the problem of falling off and being damaged due to external impact.
[0011] A further improvement of this utility model is that the clamping block has anti-slip teeth fixedly connected inside.
[0012] By adopting the above technical solution and setting anti-slip teeth, the problem of the pipette becoming loose during placement is further avoided.
[0013] A further improvement of this utility model is that a second spring is fixedly connected to one side of the clamping block, and one end of the second spring is fixedly connected to one side of the placement frame.
[0014] By adopting the above technical solution and setting the second spring, the clamping effect of the clamping block is further improved, and the displacement of the pipette is reduced.
[0015] A further improvement of the present invention is that the fixing unit includes a movable block, the movable block is slidably connected to one side of the clamping block, a slide rod is fixedly connected to one side of the movable block, the surface of the slide rod is slidably connected to the inside of the placement frame, a limit block is fixedly connected to the surface of the slide rod, a spring is fixedly connected to one side of the limit block, and one end of the spring is fixedly connected to one side of the placement frame.
[0016] By adopting the above technical solution, the movement of the arc-shaped block is limited by the setting of the moving block, the sliding rod, and the limiting block.
[0017] A further improvement of the present invention is that: an arc-shaped block is slidably connected to the surface of the slide rod, one side of the arc-shaped block is magnetically connected to one side of the limiting block, a semi-circular block is fixedly connected to one end of the slide rod, and a beveled tooth is slidably connected to the surface of the semi-circular block.
[0018] By adopting the above technical solution, the setting of arc-shaped blocks, semi-circular blocks and inclined teeth facilitates the self-locking effect of the clamping block after the pipette is placed, thus ensuring the stable placement of the pipette.
[0019] A further improvement of the present invention is that: a T-shaped rod is fixedly connected to one side of the inclined tooth, a spring three is sleeved on the outer surface of the T-shaped rod, one end of the spring three is fixedly connected to the top surface of the inclined tooth, a mounting plate is fixedly connected to one end of the spring three, and one side of the mounting plate is fixedly connected to one side of the clamping block.
[0020] By adopting the above technical solution, the T-shaped rod, spring, and mounting plate are used to achieve the effect of facilitating the limiting of the displacement of the semicircular block.
[0021] Due to the adoption of the above technical solution, the technological progress achieved by this utility model compared to the prior art is as follows:
[0022] 1. This utility model provides a pipette fixing bracket. By setting up a placement tray, a sliding groove, a spring, a clamping plate, a pull rod, and an anti-slip pad, it achieves the effect of conveniently fixing and adjusting the main body of the pipette tip box of different widths, while improving the portability and practicality of the device. The setting of the placement rack, fixing rack, and clamping block facilitates the clamping and limiting effect of the pipette placement, avoiding the problem of falling off and being damaged due to external impact.
[0023] 2. This utility model provides a pipette fixing bracket. The moving block, sliding rod, and limiting block facilitate the limiting of the movement of the arc-shaped block. The arc-shaped block, semi-circular block, and inclined teeth facilitate the self-locking effect of the clamping block after the pipette is placed, thus stabilizing the placement of the pipette. The T-shaped rod, spring, and mounting plate facilitate the limiting of the displacement of the semi-circular block. Attached Figure Description
[0024] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0025] Figure 2 This is an exploded structural diagram of the limiting unit of this utility model;
[0026] Figure 3 This is a schematic diagram of the clamping unit of this utility model;
[0027] Figure 4 This is a schematic diagram of the structure of the fixing unit of this utility model.
[0028] In the diagram: 1. Suction head box body; 2. Limiting unit; 21. Placement tray; 22. Slide groove; 23. Spring 1; 24. Clamping plate; 25. Pull rod; 26. Anti-slip pad; 3. Clamping unit; 31. Placement rack; 32. Fixing rack; 33. Clamping block; 34. Anti-slip teeth; 35. Spring 2; 4. Fixing unit; 41. Moving block; 42. Slide rod; 43. Limiting block; 44. Arc block; 45. Semicircular block; 46. Angled teeth; 47. T-shaped rod; 48. Spring 3; 49. Mounting plate; 40. Spring 4. Detailed Implementation
[0029] The present invention will be further described in detail below with reference to embodiments:
[0030] Example 1
[0031] like Figure 1-4 As shown, this utility model provides a pipette fixing bracket, including a pipette tip box body 1. A limiting unit 2 is provided on the bottom side of the pipette tip box body 1, and clamping units 3 are provided on both sides of the limiting unit 2. A fixing unit 4 is provided on one side of the clamping unit 3. The limiting unit 2 includes a placement tray 21, which is located on the bottom side of the pipette tip box body 1. A sliding groove 22 is formed inside the placement tray 21. A spring 23 is fixedly connected to one side of the sliding groove 22. A clamping plate 24 is fixedly connected to one end of the spring 23. The clamping plate 24 is slidably disposed on both sides of the placement tray 21. Inside, a pull rod 25 is fixedly connected to one side of the clamping plate 24, and an anti-slip pad 26 is fixedly connected to the other side of the clamping plate 24. Pulling the pull rod 25 causes the clamping plate 24 to move under the limit of the slide groove 22, and at the same time causes the spring 23 to extend, placing the suction head box body 1 inside the placement tray 21. Then the pull rod 25 is released, and the clamping plate 24 causes the anti-slip pad 26 to contact one side of the suction head box body 1. At the same time, one side of the suction head box body 1 contacts one side of the placement tray 21, thus completing the fixation of the suction head box body 1.
[0032] Example 2
[0033] like Figure 1-4As shown, based on Embodiment 1, this utility model provides a technical solution: Preferably, the clamping unit 3 includes a placement frame 31, which is fixedly connected to both sides of the placement tray 21. A fixing frame 32 is fixedly connected to one side of the placement frame 31. A clamping block 33 is rotatably connected inside the fixing frame 32. Anti-slip teeth 34 are fixedly connected inside the clamping block 33. A second spring 35 is fixedly connected to one side of the clamping block 33. One end of the second spring 35 is fixedly connected to one side of the placement frame 31. After the pipette is used, it is placed inside the clamping block 33. At the same time, the moving block 41 pushes the clamping block 33 to contact the anti-slip teeth 34 with both sides of the pipette under the limitation of the fixing frame 32, thereby completing the fixation of the pipette.
[0034] Example 3
[0035] like Figure 1-4 As shown, based on Embodiment 1, this utility model provides a technical solution: Preferably, the fixing unit 4 includes a movable block 41, which is slidably connected to one side of the clamping block 33. A slide rod 42 is fixedly connected to one side of the movable block 41. The surface of the slide rod 42 is slidably connected to the inside of the placement frame 31. A limit block 43 is fixedly connected to the surface of the slide rod 42. A spring 40 is fixedly connected to one side of the limit block 43. One end of the spring 40 is fixedly connected to one side of the placement frame 31. The surface of the slide rod 42 is slidably connected to... An arc-shaped block 44 is provided, with one side of the arc-shaped block 44 magnetically connected to one side of the limiting block 43. A semi-circular block 45 is fixedly connected to one end of the slide rod 42. A beveled tooth 46 is slidably connected to the surface of the semi-circular block 45. A T-shaped rod 47 is fixedly connected to one side of the beveled tooth 46. A spring 48 is sleeved on the outer surface of the T-shaped rod 47. One end of the spring 48 is fixedly connected to the top surface of the beveled tooth 46. A mounting plate 49 is fixedly connected to one end of the spring 48. One side of the mounting plate 49 is fixedly connected to one side of the clamping block 33. The pipette is pushed... During the movement of the movable block 41, it simultaneously drives the slide rod 42 to push the semicircular block 45 to slide. At the same time, the semicircular block 45 contacts the inclined surface of the inclined tooth 46, causing the spring 40 to extend. Simultaneously, the inclined tooth 46 moves to one side of the semicircular block 45, and through the elastic action of the spring 48, it limits the movable block 41, achieving self-locking of the pipette. When it is necessary to remove the pipette, pushing the pipette drives the slide rod 42 on one side of the movable block 41 to push the arc-shaped block 44 on one side of the limiting block 43. As the device moves, the surface of the arc-shaped block 44 contacts the inclined surface of the inclined tooth 46, and one end of the inclined tooth 46 contacts one side of the arc-shaped block 44. Simultaneously, the elastic action of the spring 40 drives the slide rod 42 to move to one side, while the inclined tooth 46 drives the arc-shaped block 44 to slide into the interior of the semi-circular block 45. At the same time, the arc surface of the arc-shaped block 44, through the elastic action of the spring 40, drives the inclined tooth 46 to move back to the initial position, thereby completing the process of returning the clamping block 33 to the initial position, and then the pipette can be quickly removed.
[0036] The working principle of this pipette holder will be explained in detail below.
[0037] like Figure 1-4 As shown, pulling the lever 25 causes the clamping plate 24 to move within the limit of the slide groove 22, simultaneously extending the spring 23 and placing the pipette tip box body 1 inside the placement tray 21. Then, the lever 25 is released, causing the clamping plate 24 to bring the anti-slip pad 26 into contact with one side of the pipette tip box body 1, and simultaneously bringing one side of the pipette tip box body 1 into contact with one side of the placement tray 21, thus securing the pipette tip box body 1. After use, the pipette is placed inside the clamping block 33, and the moving block 41 pushes the clamping block 33 within the limit of the fixing frame 32, causing the anti-slip teeth 34 to contact both sides of the pipette, thus securing the pipette. Simultaneously, as the pipette pushes the moving block 41, the sliding rod 42 pushes the semi-circular block 45 to slide, and the semi-circular block 45 slides against the inclined surface of the inclined teeth 46. When the pipette is in contact with the spring 40, the inclined tooth 46 moves to one side of the semicircular block 45. Through the elastic action of the spring 48, the moving block 41 is limited, and the pipette is self-locked. When the pipette needs to be removed, the pipette is pushed, which moves the slide bar 42 on one side of the moving block 41 to move the arc block 44 on one side of the limiting block 43. At the same time, the surface of the arc block 44 contacts the inclined surface of the inclined tooth 46, and one end of the inclined tooth 46 contacts one side of the arc block 44. Through the elastic action of the spring 40, the slide bar 42 moves to one side. The inclined tooth 46 moves the arc block 44 into the interior of the semicircular block 45. The arc surface of the arc block 44 moves the inclined tooth 46 to the initial position through the elastic action of the spring 40. Then, the clamping block 33 is returned to the initial position, and the pipette can be quickly removed.
[0038] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.
Claims
1. A pipette holder, comprising a pipette tip box body (1), characterized in that: The bottom side of the suction head box body (1) is provided with a limiting unit (2), and clamping units (3) are provided on both sides of the limiting unit (2). A fixing unit (4) is provided on one side of the clamping unit (3). The limiting unit (2) includes a placement tray (21), which is located on the bottom side of the suction head box body (1). The placement tray (21) has a groove (22) inside. A spring (23) is fixedly connected to one side of the groove (22). A clamping plate (24) is fixedly connected to one end of the spring (23). The clamping plate (24) is slidably disposed inside the placement tray (21) on both sides. A pull rod (25) is fixedly connected to one side of the clamping plate (24). An anti-slip pad (26) is fixedly connected to one side of the clamping plate (24).
2. The pipette mounting bracket according to claim 1, characterized in that: The clamping unit (3) includes a placement frame (31), which is fixedly connected to both sides of the placement tray (21). A fixing frame (32) is fixedly connected to one side of the placement frame (31), and a clamping block (33) is rotatably connected inside the fixing frame (32).
3. A pipette fixing bracket according to claim 2, characterized in that: The clamping block (33) is internally fixedly connected with anti-slip teeth (34).
4. A pipette holder according to claim 2, characterized in that: A second spring (35) is fixedly connected to one side of the clamping block (33), and one end of the second spring (35) is fixedly connected to one side of the placement frame (31).
5. A pipette mounting bracket according to claim 1, characterized in that: The fixing unit (4) includes a movable block (41), which is slidably connected to one side of the clamping block (33). A slide rod (42) is fixedly connected to one side of the movable block (41). The surface of the slide rod (42) is slidably connected to the inside of the placement rack (31). A limit block (43) is fixedly connected to the surface of the slide rod (42). A spring four (40) is fixedly connected to one side of the limit block (43). One end of the spring four (40) is fixedly connected to one side of the placement rack (31).
6. A pipette holder according to claim 5, characterized in that: The surface of the slide rod (42) is slidably connected to an arc-shaped block (44), one side of the arc-shaped block (44) is magnetically connected to one side of the limiting block (43), one end of the slide rod (42) is fixedly connected to a semi-circular block (45), and the surface of the semi-circular block (45) is slidably connected to a beveled tooth (46).
7. A pipette mounting bracket according to claim 6, characterized in that: A T-shaped rod (47) is fixedly connected to one side of the inclined tooth (46). A spring three (48) is sleeved on the outer surface of the T-shaped rod (47). One end of the spring three (48) is fixedly connected to the top surface of the inclined tooth (46). A mounting plate (49) is fixedly connected to one end of the spring three (48). One side of the mounting plate (49) is fixedly connected to one side of the clamping block (33).