Pipettor fixing device
By designing a pipette fixing device including a liquid collecting box, a collection tank and a funnel-shaped liquid inlet, the problem of contamination caused by dripping droplets is solved, and the stable fixation of the pipette is ensured through the design of the clamping block and spring. .
Patent Information
- Application Number
- CN202420897350.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-28
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-04-28
AI Technical Summary
The existing pipette fixtures can easily cause contamination of the base or test bench when dropping drops, and are inconvenient for cleaning.
A pipette fixing device including a base, a liquid collecting box, a collection tank, a baffle and a liquid inlet port is designed. The dripping droplets will fall on the baffle and flow into the collection tank through the funnel-shaped inlet, preventing liquid from spilling out and contaminating the base or test bench.
Effectively collect dripping liquid to avoid contamination of the base or test bench. At the same time, through the design of clamping blocks and springs, ensure the stable and fixed pipette and avoid pouring.
Smart Images
Figure CN222490130U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipette fixing equipment, in particular to a pipette fixing device. Background Art
[0002] A pipette, also known as a pipette gun, is a precision tool commonly used in biological and chemical laboratories for transferring small volumes of liquid. Since liquid reagents need to be protected from contamination and cannot be left alone, they need to be placed on a special pipette stand.
[0003] The prior art has the following problems:
[0004] When the existing pipette fixing device fixes the pipette, the pipette may leak liquid droplets, and the leaked liquid droplets may fall on the base of the device or the test bench, thereby contaminating the base of the device or the test bench, and making it inconvenient for the staff to clean them. Utility Model Content
[0005] In view of the deficiencies of the prior art, the utility model provides a pipette fixing device, which solves the problem that the existing pipette is prone to contamination of the test bench when it leaks.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pipette fixing device comprises a base, a placement groove is provided on the upper surface of the base, and a liquid collecting box is arranged in the placement groove, a collecting groove is provided on the liquid collecting box, and a baffle is provided in the collecting groove, a liquid inlet is provided on the baffle, and a support rod is provided on one side of the placement groove, a first cross plate is provided on the support rod, and a first fixed block is provided on the first cross plate, a sliding seat is provided above the first cross plate, and a fixing knob is provided on the side wall of the sliding seat, a second cross plate is connected to the side of the sliding seat away from the fixing knob, and a second fixed block is provided on the second cross plate, a clamping block is provided on the second fixed block, and a first spring is connected to one side of the clamping block, a connecting column is connected to the front side of the second fixed block, and a second spring is provided on the connecting column, and a limiting block is provided at the end of the connecting column away from the clamping block.
[0007] As a preferred technical solution of the utility model, the liquid inlet is a funnel-shaped through hole, and multiple groups of liquid inlets correspond one-to-one to the first fixing blocks respectively.
[0008] As a preferred technical solution of the utility model, the first fixing blocks and the second fixing blocks are both provided with vertically penetrating circular through grooves, and each group of first fixing blocks corresponds to a group of second fixing blocks.
[0009] As a preferred technical solution of the utility model, the second transverse plate is slidably connected to the support rod via a sliding seat, and a plurality of groups of second fixing blocks are equidistantly arranged laterally on the second transverse plate.
[0010] As a preferred technical solution of the utility model, the clamping block is an arc-shaped structure, and two groups of symmetrical clamping blocks are arranged in the through grooves on each group of second fixing blocks.
[0011] As a preferred technical solution of the utility model, a guide hole matching the size of the connecting column is opened on the side wall of the second fixing block, and the connecting column is slidably connected to the second fixing block through the guide hole.
[0012] Compared with the prior art, the utility model provides a pipette fixing device, which has the following beneficial effects:
[0013] 1. A pipette fixing device, wherein a liquid collecting box is arranged on a base, and a collecting groove is opened on the liquid collecting box, a baffle is arranged in the collecting groove, and a funnel-shaped liquid inlet corresponding to a first fixed block is opened on the baffle. When in use, the pipette is placed on the first fixed block and the second fixed block. When the pipette leaks, the dripping droplets will fall onto the baffle and flow into the collecting groove along the liquid inlet. The design of the baffle and the liquid inlet can avoid the phenomenon of liquid overflowing from the collecting groove due to shaking of the base. In this way, the dripping liquid can be collected to avoid contamination of the base or the test bench by the dripping liquid.
[0014] 2. A pipette fixing device, wherein a first fixing block is arranged on a first transverse plate, a second fixing block is arranged on a second transverse plate, and sliding seats are arranged at both ends of the second transverse plate. At the same time, through grooves are provided on the first fixing block and the second fixing block, and a clamping block, a first spring, a connecting column and a second spring are arranged in the through groove of the second fixing block. When in use, the distance between the first transverse plate and the second transverse plate is adjusted by the sliding seat, and the two groups of clamping blocks in the second fixing block can be used to fix pipettes of different sizes, and the lower end of the pipette is passed through the through groove on the first fixing block to limit the position of the pipette, which can avoid the phenomenon of the pipette tipping over due to the loosening of the clamping block. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the cross-sectional structure of the liquid collecting box of the utility model;
[0017] Figure 3 This is a schematic diagram of the structure of the first fixed block of the utility model;
[0018] Figure 4 This is a schematic diagram of the structure of the second fixing block of the utility model.
[0019] In the figure: 1. base; 2. placement groove; 3. liquid collecting box; 4. collecting groove; 5. baffle; 6. liquid inlet; 7. support rod; 8. first horizontal plate; 9. first fixed block; 10. sliding seat; 11. fixed knob; 12. second horizontal plate; 13. second fixed block; 14. clamping block; 15. first spring; 16. connecting column; 17. second spring; 18. limit block. DETAILED DESCRIPTION
[0020] 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 technicians in this field without creative work are within the scope of protection of the utility model.
[0021] See also Figure 1-4 In this embodiment, a pipette fixing device comprises a base 1, a placement groove 2 is provided on the upper surface of the base 1, so as to facilitate the placement of a liquid collecting box 3, a liquid collecting box 3 is arranged in the placement groove 2, a collecting groove 4 is provided on the liquid collecting box 3, a baffle 5 is provided in the collecting groove 4 to prevent the liquid in the liquid collecting box 3 from splashing out, a liquid inlet 6 is provided on the baffle 5, a support rod 7 is provided on one side of the placement groove 2, a first horizontal plate 8 is provided on the support rod 7, a first fixing block 9 is provided on the first horizontal plate 8, a sliding seat 10 is provided above the first horizontal plate 8, and a sliding seat 10 is provided above the first horizontal plate 8. A fixing knob 11 is provided on the side wall of the moving seat 10 to fix the sliding seat 10, a second cross plate 12 is connected to the side of the sliding seat 10 away from the fixing knob 11, a second fixing block 13 is provided on the second cross plate 12, a clamping block 14 is provided on the second fixing block 13 to fix and clamp the pipette, a first spring 15 is connected to one side of the clamping block 14, a connecting column 16 is connected to the front side of the second fixing block 13, a second spring 17 is provided on the connecting column 16, and a limiting block 18 is provided at the end of the connecting column 16 away from the clamping block 14.
[0022] In this embodiment, the liquid inlet 6 is a funnel-shaped through hole, and multiple groups of liquid inlets 6 correspond to the first fixed block 9 one by one, so as to collect the dripping drops; the first fixed block 9 and the second fixed block 13 are both provided with a vertically penetrating circular through groove, and each group of the first fixed block 9 corresponds to a group of the second fixed block 13, so as to place the pipette vertically; the second cross plate 12 is slidably connected to the support rod 7 through the sliding seat 10, and multiple groups of the second fixed blocks 13 are equidistantly arranged laterally on the second cross plate 12, and the height of the second cross plate 12 is adjusted to fix pipettes of different sizes; the clamping block 14 is an arc-shaped structure, and two groups of symmetrical clamping blocks 14 are arranged in the through groove on each group of the second fixed blocks 13, so as to fix and clamp the pipette; the side wall of the second fixed block 13 is provided with a guide hole matching the size of the connecting column 16, and the connecting column 16 is slidably connected to the second fixed block 13 through the guide hole, so as to pull a group of clamping blocks 14 to fix the pipette.
[0023] The working principle and use process of the utility model are as follows: when in use, firstly, the height of the second horizontal plate 12 is adjusted through the sliding seat 10 according to the size of the pipette, and the sliding seat 10 is fixed with the fixing knob 11, and then the limit block 18 is pulled and the pipette is passed through the second fixing block 13 and the first fixing block 9 in sequence, with the liquid outlet end of the pipette facing downward, and the limit block 18 is released when the height of the pipette is appropriate, and the pipette can be fixed under the action of the first spring 15, the second spring 17 and the clamping block 14.
[0024] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A pipette fixing device, comprising a base (1), characterized in that: The upper surface of the base (1) is provided with a placement groove (2), and a liquid collecting box (3) is arranged in the placement groove (2), a collecting groove (4) is provided on the liquid collecting box (3), and a baffle (5) is arranged in the collecting groove (4), a liquid inlet (6) is provided on the baffle (5), and a support rod (7) is provided on one side of the placement groove (2), a first transverse plate (8) is provided on the support rod (7), and a first fixing block (9) is provided on the first transverse plate (8), a sliding seat (10) is provided above the first transverse plate (8), and a side wall of the sliding seat (10) is provided A fixed knob (11) is provided, a side of the sliding seat (10) away from the fixed knob (11) is connected to a second transverse plate (12), and a second fixed block (13) is provided on the second transverse plate (12), a clamping block (14) is provided on the second fixed block (13), and a first spring (15) is connected to one side of the clamping block (14), a connecting column (16) is connected to the front side of the second fixed block (13), and a second spring (17) is provided on the connecting column (16), and a limit block (18) is provided at the end of the connecting column (16) away from the clamping block (14).
2. A pipette fixing device according to claim 1, characterized in that: The liquid inlet (6) is a funnel-shaped through hole, and the multiple groups of liquid inlet (6) correspond one-to-one to the first fixing blocks (9) respectively.
3. A pipette fixing device according to claim 1, characterized in that: The first fixing blocks (9) and the second fixing blocks (13) are both provided with circular through slots that run vertically through the first fixing blocks (9), and each group of first fixing blocks (9) corresponds to a group of second fixing blocks (13).
4. A pipette fixing device according to claim 1, characterized in that: The second transverse plate (12) is slidably connected to the support rod (7) via a sliding seat (10), and a plurality of groups of second fixing blocks (13) are equidistantly arranged laterally on the second transverse plate (12).
5. A pipette fixing device according to claim 1, characterized in that: The clamping blocks (14) are of arc-shaped structure, and two groups of symmetrical clamping blocks (14) are arranged in the through slots on each group of second fixing blocks (13).
6. A pipette fixing device according to claim 1, characterized in that: A guide hole matching the size of the connecting column (16) is provided on the side wall of the second fixing block (13), and the connecting column (16) is slidably connected to the second fixing block (13) through the guide hole.