Special tweezers for biological freezing experiment

Abstract

The utility model provides special tweezers for a biological freezing experiment, which comprise a stainless steel tweezers handle, a stainless steel straight-head tweezers, two first semicircular fixing pieces and a second semicircular fixing piece, the stainless steel straight-head tweezers are integrally mounted at the right end of the stainless steel tweezers handle, the two first semicircular fixing pieces are fixed at the rear end of the stainless steel tweezers handle, and the second semicircular fixing piece is fixed at the right end of the stainless steel tweezers handle. And first stainless steel tweezers plates are movably mounted in the two first semicircular fixing sheets through first micro fixing shafts, so that the problems that most of tweezers in the prior art are single in structure, and tweezers of different shapes, different bending degrees or different models need to be selected for use according to different biological frozen samples are solved. According to the multifunctional tweezers structure designed by the utility model, the straight head, the flat head and the elbow can be combined together for use, so that clamping structures at different positions can be conveniently selected for clamping and using according to the conditions of different biological frozen samples.

Description

TECHNICAL FIELD

[0001] The utility model relates to a special forceps for biological freezing experiment belongs to experimental apparatus technical field. BACKGROUND

[0002] The forceps is used for taking the blocky medicine, metal particle, hair, fine thorn and other small things and is used for the tool of taking. Also can be used for cell -phone maintenance, with it clamping wire, component and integrated circuit pin etc. Different occasions need different forceps, generally want to prepare straight head, flat head, elbow forceps each one, wherein the special forceps for biological freezing experiment is the tool designed to meet the special requirement when operating sample in the extremely low temperature environment. These forceps usually have low temperature resistance, corrosion resistance, non-magnetization and no pollution to sample characteristics, are applicable to processing very fragile or sensitive biological sample.

[0003] But the forceps in the prior art mostly simple structure, according to different biological freezing sample, need to select the forceps of different shape, different bending degree or different model to use, now urgently need a special forceps for biological freezing experiment to solve the above-mentioned problem. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiency of prior art, the utility model aims at providing a special forceps for biological freezing experiment to solve the problem in the background art, the utility model designs a multifunctional forceps structure, can combine straight head, flat head and elbow together and use, so as to select the clamping structure of different positions and use according to different biological freezing sample conditions.

[0005] In order to realize the above-mentioned purpose, the utility model is through the following technical scheme to realize: a special forceps for biological freezing experiment, including stainless steel tongs handle, stainless steel straight head tongs, first half circle fixed sheet and second half circle fixed sheet, the right end of stainless steel tongs handle is integrally installed with stainless steel straight head tongs, the first half circle fixed sheet is provided with two, two first half circle fixed sheets are fixed at the rear end of stainless steel tongs handle, two first half circle fixed sheets are movably installed with first stainless steel tongs plate in two first half circle fixed sheets through first micro fixed shaft, two first arc adjusting grooves are set up in the opposite outer sides of two first half circle fixed sheets, two first small bolts are inserted in two first arc adjusting grooves, the rear end of two first stainless steel tongs plate is installed with stainless steel flat head tongs, the second half circle fixed sheet is provided with two, two second half circle fixed sheets are fixed at the front end of stainless steel tongs handle, two second half circle fixed sheets are movably installed with second stainless steel tongs plate in two second half circle fixed sheets through second micro fixed shaft, two second arc adjusting grooves are set up in the opposite outer sides of two second half circle fixed sheets, two second small bolts are inserted in two second arc adjusting grooves, the front end of two second stainless steel tongs plate is installed with stainless steel elbow tongs.

[0006] Further, the threaded ends of the two first small bolts are respectively screwed and fixed in the two first stainless steel tweezers plates through the threaded principle.

[0007] Further, the threaded ends of the two second small bolts are respectively screwed and fixed in the two second stainless steel tweezers plates through the threaded principle.

[0008] Further, the two first stainless steel tweezers plates are respectively movably connected with the two first micro fixing shafts.

[0009] Further, the two second stainless steel tweezers plates are respectively movably connected with the two second micro fixing shafts.

[0010] Further, the upper and lower ends of the left side of the stainless steel tweezers handle are respectively provided with anti-skid lines.

[0011] The utility model discloses a special tweezers for biological freezing experiment, and adds the stainless steel straight head tweezers, the first semicircle fixed piece, the first micro fixing shaft, the first small bolt, the first stainless steel tweezers plate, the second semicircle fixed piece, the second micro fixing shaft, the second small bolt and the second stainless steel tweezers plate, and through our design improvement and actual use show that the device is reasonable in structure, and the practicality is good, designs a multifunctional tweezers structure, can combine straight head, flat head and elbow together and use, thereby facilitates the clamping structure of different positions to be selected and used according to different biological freezing sample conditions, and the orientation is adjustable, and it is convenient for experimental personnel to operate and use. DRAWINGS

[0012] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of non-restrictive embodiments with reference to the accompanying drawings:

[0013] Fig. 1 It is whole structure perspective diagram of the utility model discloses a special tweezers for biological freezing experiment;

[0014] Fig. 2 It is single schematic view of the utility model discloses a stainless steel flat head tweezers of a special tweezers for biological freezing experiment;

[0015] Fig. 3 It is single schematic view of the utility model discloses a stainless steel elbow tweezers of a special tweezers for biological freezing experiment.

[0016] In the figure: 1-stainless steel handle, 2-stainless steel straight head tweezers, 3-first half round fixed piece, 4-first arc-shaped adjusting groove, 5-first micro fixed shaft, 6-first small bolt, 7-first stainless steel tweezers plate, 8-stainless steel flat head tweezers, 9-second half round fixed piece, 10-second micro fixed shaft, 11-second small bolt, 12-second arc-shaped adjusting groove, 13-second stainless steel tweezers plate, 14-stainless steel elbow tweezers. DETAILED DESCRIPTION

[0017] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0018] Please refer to Figs. 1-3 The utility model provides a kind of special tweezers for biological freezing experiment, including stainless steel handle 1, stainless steel straight head tweezers 2, first half round fixed piece 3 and second half round fixed piece 9, stainless steel handle 1 right end is integrally installed with stainless steel straight head tweezers 2, first half round fixed piece 3 is provided with two, two first half round fixed piece 3 are fixed in the rear end of stainless steel handle 1, two first half round fixed piece 3 are all movably installed with first stainless steel tweezers plate 7 in first micro fixed shaft 5, two first half round fixed piece 3 relative outer side are all set with first arc-shaped adjusting groove 4, two first arc-shaped adjusting groove 4 are all inserted with first small bolt 6, two first stainless steel tweezers plate 7 rear end is installed with stainless steel flat head tweezers 8, second half round fixed piece 9 is provided with two, two second half round fixed piece 9 are fixed in the front end of stainless steel handle 1, two second half round fixed piece 9 are all movably installed with second stainless steel tweezers plate 13 in second micro fixed shaft 10, two second half round fixed piece 9 relative outer side are all set with second arc-shaped adjusting groove 12, two second arc-shaped adjusting groove 12 are all inserted with second small bolt 11, two second stainless steel tweezers plate 13 front end is installed with stainless steel elbow tweezers 14, this design solves the problem that most tweezers in prior art are single structure, and different shape, different bending degree or different model of tweezers need to be selected for use according to different biological freezing samples.

[0019] As the first embodiment of the utility model: the threaded end of two first small bolts 6 is respectively screwed and fixed in two first stainless steel tweezers plates 7 by thread principle, the threaded end of two first small bolts 6 added in two first stainless steel tweezers plates 7 can be screwed and fixed by thread principle, and two first stainless steel tweezers plates 7 can be fixed in position. The threaded end of two second small bolts 11 is respectively screwed and fixed in two second stainless steel tweezers plates 13 by thread principle, the threaded end of two second small bolts 11 added in two second stainless steel tweezers plates 13 can be screwed and fixed by thread principle, and two second stainless steel tweezers plates 13 can be fixed in position.

[0020] Two first stainless steel tweezers plates 7 are respectively movably connected with two first micro fixing shafts 5, through the addition of two first stainless steel tweezers plates 7 respectively movably connected with two first micro fixing shafts 5, when two first small-sized bolts 6 are not inserted into two first stainless steel tweezers plates 7, two first stainless steel tweezers plates 7 can swing in horizontal direction. Two second stainless steel tweezers plates 13 are respectively movably connected with two second micro fixing shafts 10, through the addition of two second stainless steel tweezers plates 13 respectively movably connected with two second micro fixing shafts 10, when two second small-sized bolts 11 are not inserted into two second stainless steel tweezers plates 13, two second stainless steel tweezers plates 13 can swing in horizontal direction. Anti-skid lines are arranged on left sides of upper and lower ends of the stainless steel tweezers handle 1, through the addition of anti-skid lines arranged on left sides of upper and lower ends of the stainless steel tweezers handle 1, when the experimenter holds the stainless steel tweezers handle 1, hand slip phenomenon can be prevented.

[0021] As a second embodiment of the utility model: when using the stainless steel straight-head tweezers 2, two first small-sized bolts 6 and two second small-sized bolts 11 are loosened, then two first stainless steel tweezers plates 7 and two second stainless steel tweezers plates 13 are swung to left, two first stainless steel tweezers plates 7 will swing to left with two first micro fixing shafts 5 as center, two second stainless steel tweezers plates 13 will also swing to left with two second micro fixing shafts 10 as center, then stainless steel flat-head tweezers 8 and stainless steel curved-head tweezers 14 will be moved to swing to left, so that stainless steel flat-head tweezers 8 and stainless steel curved-head tweezers 14 can be prevented from affecting use of the stainless steel straight-head tweezers 2, when using the stainless steel flat-head tweezers 8 and the stainless steel curved-head tweezers 14, according to actual biological frozen sample situation, stainless steel flat-head tweezers 8 and stainless steel curved-head tweezers 14 can be selectively swung, after completion, two first small-sized bolts 6 and two second small-sized bolts 11 are respectively adjusted in positions of two first arc-shaped adjusting grooves 4 and two second arc-shaped adjusting grooves 12, until two first small-sized bolts 6 are respectively screwed and fixed in two first stainless steel tweezers plates 7 through thread principle, two first stainless steel tweezers plates 7 are positioned and fixed (in this process, two first small-sized bolts 6 heads are respectively abutted with two first semicircular fixed pieces 3), and two second small-sized bolts 11 are also respectively screwed and fixed in two second stainless steel tweezers plates 13 through thread principle, two second stainless steel tweezers plates 13 are also positioned and fixed (in this process, two second small-sized bolts 11 heads are respectively abutted with two second semicircular fixed pieces 9), after stainless steel flat-head tweezers 8 and stainless steel curved-head tweezers 14 are swung, locking and positioning are carried out, then two first stainless steel tweezers plates 7 or two second stainless steel tweezers plates 13 are pressed towards each other, stainless steel flat-head tweezers 8 or stainless steel curved-head tweezers 14 can be operated to clamp and use actual biological frozen sample.

[0022] The basic principle and main features of the present application and the advantages of the present application are shown and described above. For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0023] In addition, it should be understood that, although the present application is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A pair of forceps for biological cryopreservation experiments, comprising a stainless steel forceps handle (1), a stainless steel straight-tipped forceps (2), a first semicircular fixing plate (3), and a second semicircular fixing plate (9), characterized in that: The stainless steel tweezers handle (1) is integrally mounted with a stainless steel straight-tipped tweezers (2) at the right end. There are two first semi-circular fixing plates (3). The two first semi-circular fixing plates (3) are fixed at the rear end of the stainless steel tweezers handle (1). The first stainless steel tweezers plate (7) is movably mounted in the two first semi-circular fixing plates (3) through the first micro-fixing shaft (5). The two first semi-circular fixing plates (3) are provided with a first arc-shaped adjustment groove (4) on their opposite outer sides. The two first arc-shaped adjustment grooves (4) are each inserted with a first small bolt (6). The two first stainless steel tweezers plates (7) are mounted with stainless steel flat-tipped tweezers (8) at the rear end. There are two second semicircular fixing plates (9). The two second semicircular fixing plates (9) are fixed to the front end of the stainless steel tweezer handle (1). The two second semicircular fixing plates (9) are each movably installed with a second stainless steel tweezer plate (13) through a second micro-fixing shaft (10). The two second semicircular fixing plates (9) are each provided with a second arc-shaped adjustment groove (12) on their opposite outer sides. The two second arc-shaped adjustment grooves (12) are each inserted with a second small bolt (11). The front end of the two second stainless steel tweezer plates (13) is equipped with a stainless steel bent tweezer (14).

2. The tweezers for biological cryopreservation experiments according to claim 1, characterized in that: The threaded ends of the two first small bolts (6) are screwed into the two first stainless steel tweezer plates (7) respectively by the thread principle.

3. The tweezers for biological cryopreservation experiments according to claim 1, characterized in that: The threaded ends of the two second small bolts (11) are screwed into the two second stainless steel tweezer plates (13) respectively by the thread principle.

4. The tweezers for biological cryopreservation experiments according to claim 1, characterized in that: The two first stainless steel tweezer plates (7) are movably connected to the two first miniature fixed shafts (5), respectively.

5. The tweezers for biological cryopreservation experiments according to claim 1, characterized in that: The two second stainless steel tweezers plates (13) are movably connected to the two second miniature fixed shafts (10), respectively.

6. The tweezers for biological cryopreservation experiments according to claim 1, characterized in that: The stainless steel tweezers handle (1) has anti-slip textures on the left side of both the upper and lower ends.

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