Tweezers for accurately clamping high-adsorption-force sheets in laboratory
By designing a spatula and a buffer support structure on the tweezers, the problem of existing tweezers dropping when holding extremely thin objects is solved, enabling precise gripping and transfer of thin sheets with high adsorption capacity, thus meeting the aseptic requirements of biological experiments.
Patent Information
- Application Number
- CN202422699872.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-06
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-11-06
AI Technical Summary
Existing tweezers are prone to falling when holding extremely thin objects with strong adhesion, such as glass slides, making them unsuitable for the holding requirements of biological experiments.
A laboratory tweezers was designed, including a first clamping bar and a second clamping bar. The front end of the clamping bar is respectively provided with a spatula and a buffer support plate. The spatula is used to scoop up thin slices, and the buffer support plate is used to support them. Combined with the inclined scooping part and the anti-slip protrusion, the stability of the clamping is ensured.
It enables precise gripping and transfer of highly absorbent sheets, meeting the aseptic requirements of biological experiments and improving the safety and flexibility of use.
Smart Images

Figure CN223700525U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical instrument technical field, concretely is a pair of tweezers for accurately clamping high adsorption force sheet in laboratory. BACKGROUND
[0002] Tweezers are the most common biological experimental instruments and medical instruments, and are often used to clamp various objects in biological experiments to meet the requirements of cleanliness and sterility. At present, most of the existing tweezers are composed of a handle, a clamping rod and a tweezers head, and the clamping rod gradually tapers from thick to thin or has the same thickness. When in use, the following defects exist: some can be used to clamp large objects, and some can be used to clamp small objects in very narrow spaces. However, in daily experiments, extremely thin objects such as glass sheets and objects with strong adsorption force are prone to falling during clamping and transportation. SUMMARY
[0003] The utility model provides a kind of tweezers for accurately clamping high adsorption force sheet in laboratory, can solve the problem that existing tweezers are prone to falling when clamping extremely thin objects such as glass sheets and objects with strong adsorption force.
[0004] To achieve the above object, the utility model provides a kind of tweezers for accurately clamping high adsorption force sheet in laboratory, comprising a first clamping rod and a second clamping rod, the tail end of the first clamping rod and the second clamping rod is connected through a clamping handle, the front end of the first clamping rod is provided with a shovel plate extending towards the second clamping rod, and the front end of the second clamping rod is provided with a buffer support sheet extending towards the first clamping rod. The shovel plate can shovel up the high adsorption force sheet and separate it from the placement plane, and the buffer support sheet and the shovel plate can support the high adsorption force sheet, so that the tweezers can easily clamp and transfer the sheet.
[0005] Preferably, the front end of the shovel plate is provided with a beveled shovel-up portion, which facilitates prying up the high adsorption force sheet from the placement plane.
[0006] Preferably, a plurality of anti-slip protrusions are provided on the beveled shovel-up portion to prevent the sheet from slipping off when the beveled shovel-up portion 7 prys up the sheet.
[0007] Preferably, the buffer support sheet is in a circular or elliptical structure, which can buffer and support the sheet without damaging the surface of the sheet.
[0008] Preferably, the included angle between the shovel plate and the first clamping rod is 75°-85°, which facilitates the shovel plate to smoothly shovel up the sheet.
[0009] Preferably, the included angle between the buffer support sheet and the second clamping rod is 85-90 degrees, which is conducive to the cooperation of the buffer support sheet and the shovel plate to support the sheet.
[0010] Preferably, the first clamping rod, the second clamping rod, the clamping handle, the shovel plate and the buffer support sheet are made of stainless steel, which facilitates sterilization and cleaning.
[0011] Compared with the prior art, the utility model has the advantages of:
[0012] The shovel plate can shovel the high-adsorption sheet to separate it from the placement plane, and the buffer support sheet and the shovel plate can support the high-adsorption sheet, so that the tweezers can easily pick up and transfer the sheet, meet the sterile needs of biological experiments, expand the use range of the tweezers, and improve the safety and flexibility of experiments. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a perspective view of the utility model;
[0014] Figure 2 It is a front view of the utility model in use;
[0015] Figure 3 It is a perspective view of the shovel plate of the utility model.
[0016] REFERENCE SIGNS:
[0017] 1, clamping handle, 2, first clamping rod, 3 second clamping rod, 4, shovel plate, 5, buffer support sheet, 6, anti-skid convex, 7, inclined plane shovel part. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.
[0019] As shown in the drawings, Figures 1-3 When solving the problem that the existing tweezers are prone to falling when clamping extremely thin and high-adsorption objects such as glass sheets, the utility model provides the following technical scheme: a laboratory tweezers for precisely picking up high-adsorption sheets, comprising a first clamping rod 2 and a second clamping rod 3, the tail ends of the first clamping rod 2 and the second clamping rod 3 are connected through a clamping handle 1, the front end of the first clamping rod 2 is provided with a shovel plate 4 extending towards the second clamping rod 3, and the front end of the second clamping rod 3 is provided with a buffer support sheet 5 extending towards the first clamping rod 2, the shovel plate 4 can shovel the high-adsorption sheet to separate it from the placement plane, and the buffer support sheet 5 and the shovel plate 4 can support the high-adsorption sheet, so that the tweezers can easily pick up and transfer the sheet.
[0020] Specifically, the first clamping rod 2, the second clamping rod 3 and the clamping handle 1 all adopt conventional structures, which are the same as the structure of the existing medical tweezers, the shovel plate 4 can be connected with the first clamping rod 2 in a mode of welding or integral forming with the first clamping rod 2, similarly, the buffer supporting sheet 5 can also be connected with the second clamping rod 3 in a mode of welding or integral forming with the second clamping rod 3, the buffer supporting sheet 5 is in a circular or elliptical structure, the buffer supporting sheet 5 in the circular or elliptical structure can buffer and support the sheet, and will not damage the surface of the sheet, the buffer supporting sheet 5 and the second clamping rod 3 can be connected through the connecting sheet, so that the buffer supporting sheet 5 has a certain elasticity, and it is beneficial to support the sheet.
[0021] As shown in the drawings, the first clamping rod 2 and the second clamping rod 3 can clamp the sheet while the buffer supporting sheet 5 and the shovel plate 4 support the sheet with high adsorption force, so that the firmness of clamping is improved. Figure 3
[0022] As shown in the drawings, the front end of the shovel plate 4 is provided with a beveled shovel-up portion 7, which is beneficial to pry the sheet with high adsorption force from the placing plane. Meanwhile, a plurality of anti-skid protrusions 6 are arranged on the beveled shovel-up portion 7, so as to prevent the sheet from sliding off when the beveled shovel-up portion 7 prys the sheet. Figure 2
[0023] In the embodiment, the included angle between the shovel plate 4 and the first clamping rod 2 is 75-85 degrees, which is beneficial to the shovel plate 4 to smoothly shovel the sheet. Meanwhile, the included angle between the buffer supporting sheet 5 and the second clamping rod 3 is 85-90 degrees, which is beneficial to the buffer supporting sheet 5 to cooperate with the shovel plate 4 to support the sheet.
[0024] The first clamping rod 2, the second clamping rod 3, the clamping handle 1, the shovel plate 4 and the buffer supporting sheet 5 are all made of stainless steel, so that disinfection and cleaning are facilitated.
[0025] It should be noted that all the directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship and movement condition between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications also change accordingly.
[0026] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.
[0027] In the utility model, unless another explicit provision and limitation, the term "connection", "fixing" and so on should do the broad sense understanding, for example, "fixing" can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication or two element's mutual action relation, unless another explicit limitation.For the ordinary skill in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to the specific situation.
[0028] In addition, the technical solutions of various embodiments of the utility model can be combined with each other, but must be based on the implementation of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the utility model.
Claims
1. A laboratory tweezers for precise gripping of high adsorptive sheet, comprising a first clamping rod (2) and a second clamping rod (3), the tail ends of the first clamping rod (2) and the second clamping rod (3) being connected by a clamping handle (1), characterized in that, The front end of the first clamping rod (2) is provided with a shovel plate (4) extending to the direction of the second clamping rod (3), and the front end of the second clamping rod (3) is provided with a buffer supporting sheet (5) extending to the direction of the first clamping rod (2).
2. The laboratory tweezers for precision gripping of high adsorptive force sheets according to claim 1, characterized in that: The front end of the shovel plate (4) is provided with a bevel shovel part (7).
3. The laboratory tweezers for precision gripping of high-sorption force sheets according to claim 2, characterized in that: A plurality of anti-skid protrusions (6) are arranged on the bevel shovel part (7).
4. The laboratory tweezers for precision gripping of high-sorption force sheets according to claim 1, characterized in that: The buffer supporting sheet (5) is in a circular or elliptical structure.
5. The laboratory tweezers for precision gripping of high-sorption force sheets according to claim 1, characterized in that: The included angle between the shovel plate (4) and the first clamping rod (2) is 75-85 degrees.
6. The laboratory tweezers for precision gripping of high-sorption force sheets according to claim 1, characterized in that: The included angle between the buffer supporting sheet (5) and the second clamping rod (3) is 85-90 degrees.
7. The laboratory tweezers for precision gripping of high-sorption force sheets according to claim 1, characterized in that: The first clamping rod (2), the second clamping rod (3), the clamping handle (1), the shovel plate (4) and the buffer supporting sheet (5) are all made of stainless steel.