CN209887424U

CN209887424U - Clamping device for molecular biology test

Info

Publication number: CN209887424U
Application number: CN201920520274.1U
Authority: CN
Inventors: 曹正浩; 程敬亮; 张勇; 朱琳瑜
Original assignee: First Affiliated Hospital of Zhengzhou University
Current assignee: First Affiliated Hospital of Zhengzhou University
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2020-01-03
Anticipated expiration: 2029-04-17

Abstract

The utility model relates to a test equipment technical field specifically is a device is got with clamp to molecular biology experiment, and top-down includes main arm lock, supplementary arm lock and tweezers head in proper order, the top of main arm lock is equipped with rather than integrated into one piece's articulated seat, and the inside of main arm lock of pressing from both sides runs through and has seted up the movable groove, the both ends symmetry in movable groove is equipped with the guide post, guide post and main arm integrated into one piece that presss from both sides, seted up on the supplementary arm lock with guide post assorted spacing groove, the guide post plug-in is at the spacing inslot, and the bottom fixedly connected with mount table of supplementary arm lock, the inside chamber that holds of having seted up of mount table, the tweezers head is pegged graft and is holding. The utility model discloses simple structure not only can freely change the length of arm lock, moreover through setting up mount table and dome spring, can realize quick replacement to the tweezers head of difference, has improved experimental efficiency effectively, has very strong practicality.

Description

Clamping device for molecular biology test

Technical Field

The utility model relates to a test equipment technical field specifically is a device is got with clamp to molecular biology experiment.

Background

Molecular biology is a science that studies the structure and function of biological macromolecules from the molecular level to elucidate the nature of life phenomena. Since the 50 s of the 20 th century, molecular biology was the leading edge and growth point of biology, and its major research fields include protein systems, protein-nucleic acid systems (molecular genetics at the center), and protein-lipid systems (i.e., biofilms).

In molecular biology tests, tweezers are often needed to clamp test articles such as centrifuge tubes, adhesive tapes, gels, NC membranes or PVDF membranes to be pretreated, tweezers of different types or lengths are needed to be used according to different materials, the existing tweezers need multiple handles to meet the requirements, and meanwhile, the operation is not easy, so that the test results are influenced.

The prior art has the following defects:

1. tweezers of different types or lengths are required to be used according to different materials in molecular biology tests, the tweezers in the prior art need more tweezers to meet the requirements, and meanwhile, the operation is not easy, so that the experimental result is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device is got with pressing from both sides to molecular biology is experimental to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a device is got with pressing from both sides to molecular biology experiment, top-down includes main arm lock, supplementary arm lock and tweezers head in proper order, the top of main arm lock is equipped with rather than integrated into one piece's articulated seat, and the inside of main arm lock of pressing from both sides runs through and has seted up the activity groove, the both ends symmetry of activity groove is equipped with the guide post, guide post and main arm lock integrated into one piece of pressing from both sides, set up on the supplementary arm lock with guide post assorted spacing groove, the guide post plug-in is at the spacing inslot, and the bottom fixedly connected with mount table of supplementary arm lock, the inside chamber that holds of having seted up of mount table, the tweezers head is.

Preferably, the left side wall of the auxiliary clamping arm is provided with a plurality of positioning holes, the bottom end of the main clamping arm is provided with a first threaded hole matched with the positioning holes, a fastening bolt is arranged in the first threaded hole, and the fastening bolt penetrates through the first threaded hole and is screwed and fixed with the positioning holes.

Preferably, the two ends of the mounting table are provided with mounting holes in a penetrating manner, the mounting holes are internally and fixedly provided with arc-shaped elastic pieces through screws, the top of the forceps head is provided with clamping grooves matched with the arc-shaped elastic pieces, and the arc-shaped elastic pieces are inserted into the clamping grooves

Preferably, the lower end of the mounting table is provided with a second threaded hole, a screw is inserted into the second threaded hole, a shallow groove matched with the second threaded hole is formed in the forceps head, and the screw penetrates through the second threaded hole and is screwed and fixed with the shallow groove.

Preferably, a spring is transversely arranged at the upper end of the side wall of the main clamping arm, and the spring is fixedly bonded with the main clamping arm.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through setting up a plurality of locating holes and fastening bolt, can freely change the use length of arm lock, adapt to different kinds of by the clamp thing. Through installing multiunit stopper and spout, can play the effect of a direction, prevent that the tweezers head from taking place the skew holding the intracavity removal in-process. Through installation arc shell fragment and draw-in groove, can play spacing effect from top to bottom to the tweezers head to make the tweezers head realize relatively fixed at the mount table.

2. The utility model discloses prior art, not only can freely change the length of arm lock, moreover through setting up mount table and dome spring, can realize quick replacement to the tweezers head of difference, improved experimental efficiency effectively, have very strong practicality.

Drawings

FIG. 1 is an exploded view of the structure of the present invention;

FIG. 2 is an enlarged view of area A of FIG. 1;

fig. 3 is an installation schematic diagram of the present invention.

In the figure: the forceps head comprises a main clamping arm 1, a hinge seat 11, a movable groove 12, a guide column 13, a first threaded hole 14, an auxiliary clamping arm 2, a limiting groove 21, a positioning hole 22, an installation table 3, an accommodating cavity 31, a limiting block 32, an installation hole 33, a second threaded hole 34, a forceps head 4, a sliding groove 41, a clamping groove 42, a shallow groove 43, an arc-shaped elastic sheet 5, a spring 6 and a fastening bolt 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a device is got with pressing from both sides to molecular biology experiment, top-down includes main arm lock 1, supplementary arm lock 2 and tweezers head 4 in proper order, and the top of main arm lock 1 is equipped with rather than integrated into one piece's articulated seat 11, and main arm lock 1 is equipped with two, and two main arm lock 1 are fixed through the hinge. The inside of main arm lock 1 runs through and has seted up activity groove 12, and the both ends symmetry of activity groove 12 is equipped with guide post 13, guide post 13 and main arm lock 1 integrated into one piece, supplementary arm lock 2 on seted up with guide post 13 assorted spacing groove 21, guide post 13 is pegged graft in spacing groove 21, and the bottom welding of supplementary arm lock 2 has mount table 3, and 3 inside setings up of mount table hold the chamber 31, tweezers head 4 pegs graft and is holding in the chamber 31.

As shown in fig. 1 and 3, the left side wall of the auxiliary clamp arm 2 is provided with a plurality of positioning holes 22, the bottom end of the main clamp arm 1 is provided with a first threaded hole 14 matched with the positioning holes 22, a fastening bolt 7 is arranged in the first threaded hole 14, and the fastening bolt 7 penetrates through the first threaded hole 14 and is screwed and fixed with the positioning holes 22. By providing a plurality of positioning holes 22 and fastening bolts 7, the length of the clamp arm can be freely changed to adapt to different kinds of objects to be clamped.

As shown in fig. 2, a plurality of groups of limit blocks 32 are fixedly mounted in the accommodating cavity 31, a sliding groove 41 matched with the limit blocks 32 is formed in the forceps head 4, and the limit blocks 32 are inserted into the sliding groove 41. Through installing multiunit stopper 32 and spout 41, can play the effect of a direction, prevent that tweezers head 4 from removing the in-process and taking place the skew in holding chamber 31.

As shown in fig. 1 and 2, mounting holes 33 are formed through two ends of the mounting table 3, the arc-shaped elastic pieces 5 are fixedly mounted inside the mounting holes 33 through screws, a clamping groove 42 matched with the arc-shaped elastic pieces 5 is formed in the top of the forceps head 4, and the arc-shaped elastic pieces 5 are inserted into the clamping groove 4. Through installation arc shell fragment 5 and draw-in groove 4, can play spacing effect from top to bottom to tweezers head 4 to make tweezers head 4 realize relatively fixed at mount table 3.

As shown in fig. 1 and 2, a second threaded hole 34 is formed at the lower end of the mounting table 3, a screw is inserted into the second threaded hole 34, a shallow groove 43 matched with the second threaded hole 34 is formed in the forceps head 4, and the screw penetrates through the second threaded hole 34 and is screwed and fixed with the shallow groove 43. Such an arrangement may further secure the forcep head 4 to the mounting table 3.

As shown in figure 1, a spring 6 is transversely arranged at the upper end of the side wall of the main clamping arm 1, and the spring 6 is fixedly adhered to the main clamping arm 1. The spring 6 is bonded between the two main clamping arms 1, so that the two main clamping arms 1 are not close to each other under a natural state.

The working principle is as follows: when the product is used, different forceps heads are selected to be installed according to actual objects to be clamped, after selection is finished, the sliding groove 41 in the forceps head 4 extends into the installation table 3 along the direction of the limiting block 32 until the arc-shaped elastic sheet 5 is just inserted into the clamping groove 42, and then the arc-shaped elastic sheet is inserted into the second threaded hole 34 through a screw to be further fixed. The length of the auxiliary clamping arm 2 is changed by adjusting the fastening bolt 7 to adapt to the size of the actual clamped object. Because install spring 6 between two main arm lock 1 and through articulated fixed, consequently when needing to press from both sides to get the object, only need with two arm lock towards interior press down can. The utility model discloses prior art, not only can freely change the length of arm lock, moreover through setting up mount table 3 and dome 5, can realize quick replacement to the tweezers head of difference, improved experimental efficiency effectively, have very strong practicality.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a device is got with pressing from both sides to molecular biology experiment, top-down include main arm lock (1), supplementary arm lock (2) and tweezers head (4) in proper order, its characterized in that: the utility model discloses a pair of tweezers, including main arm lock (1), guide post (13), supplementary arm lock (2), mount table (3), the top of main arm lock (1) is equipped with rather than integrated into one piece's articulated seat (11), and the inside of main arm lock (1) runs through and has seted up movable groove (12), the both ends symmetry of movable groove (12) is equipped with guide post (13), guide post (13) and main arm lock (1) integrated into one piece, set up on supplementary arm lock (2) with guide post (13) assorted spacing groove (21), guide post (13) are pegged graft in spacing groove (21), and the bottom fixedly connected with mount table (3) of supplementary arm lock (2), mount table (3) inside has been seted up and has been held chamber (31), tweezers head (4) are pegged.

2. The clamping device for molecular biological tests as claimed in claim 1, wherein: a plurality of positioning holes (22) are formed in the left side wall of the auxiliary clamping arm (2), a first threaded hole (14) matched with the positioning holes (22) is formed in the bottom end of the main clamping arm (1), a fastening bolt (7) is arranged in the first threaded hole (14), and the fastening bolt (7) penetrates through the first threaded hole (14) and is fixedly connected with the positioning holes (22) in a screwing mode.

3. The clamping device for molecular biological tests as claimed in claim 1, wherein: a plurality of groups of limiting blocks (32) are fixedly installed in the accommodating cavity (31), sliding grooves (41) matched with the limiting blocks (32) are formed in the forceps head (4), and the limiting blocks (32) are inserted into the sliding grooves (41).

4. The clamping device for molecular biological tests as claimed in claim 1, wherein: the two ends of the mounting table (3) are penetrated through and provided with mounting holes (33), arc-shaped elastic pieces (5) are fixedly mounted inside the mounting holes (33) through screws, clamping grooves (42) matched with the arc-shaped elastic pieces (5) are formed in the tops of the forceps heads (4), and the arc-shaped elastic pieces (5) are inserted into the clamping grooves (42).

5. The clamping device for molecular biological tests as claimed in claim 1, wherein: the lower end of the mounting table (3) is provided with a second threaded hole (34), a screw is inserted into the second threaded hole (34), a shallow groove (43) matched with the second threaded hole (34) is formed in the forceps head (4), and the screw penetrates through the second threaded hole (34) and is screwed and fixed with the shallow groove (43).

6. The clamping device for molecular biological tests as claimed in claim 1, wherein: the upper end of the side wall of the main clamping arm (1) is transversely provided with a spring (6), and the spring (6) is fixedly bonded with the main clamping arm (1).