CN205570397U - Test tube clamp - Google Patents

Abstract

The utility model discloses a test tube clamp, including handle, main chuck and vice chuck, its characterized in that, the front end welding of handle has the supporting shoe, and it has main chuck to weld on the supporting shoe, the front end middle position of main chuck is inwards sunken to have a main groove that presss from both sides, and each inwards sunken has a principal post shape groove in the upper left corner and the lower left corner of main chuck, respectively installs a set of main spring at every principal post shape inslot, installs a set of guide post at every front end of organizing the main spring. Since the technical scheme is used, the utility model discloses following beneficial effect has: the utility model is simple in operation, the centre gripping is firm, can the centre gripping test tube of different models, effectively avoided the emergence of potential safety hazard.

Description

A kind of test tube clamp

Technical field

This utility model relates to a kind of experiment appliance, is specifically related to a kind of test tube clamp.

Background technology

Traditional test tube clamp structure is inflexible, underaction, and the model of holding test tubes is limited, and operates inconvenience, can cause test tube landing because loosening, there is potential safety hazard in experimentation.

Summary of the invention

The purpose of this utility model is to provide a kind of test tube clamp.

For achieving the above object, the technical solution adopted in the utility model is: a kind of test tube clamp, including handle, main folder head and sub-folder head, the front end of described handle is welded with a bracer, being welded with main folder head on bracer, the front center position of described main folder head has caved inward main folder groove, and respectively caved inward a main cylindrical groove in the upper left corner of main folder head and the lower left corner, one group of main spring is respectively installed in each main cylindrical groove, one group of lead is installed in the front end often organizing main spring；

The front center position of described sub-folder head has caved inward sub-folder groove, respectively caved inward secondary cylindrical groove in the upper right corner of sub-folder head and the lower right corner, respectively being provided with one group of auxiliary spring in each secondary cylindrical groove, the described end often organizing auxiliary spring links together with lead respectively.

Owing to have employed technique scheme, this utility model has the advantages that this utility model is simple to operate, firm grip, can clamp the test tube of different model, effectively prevent the generation of potential safety hazard.

Accompanying drawing explanation

Fig. 1 is this utility model structural representation.

In figure: 1, handle, 2, main folder head, 3, sub-folder head, 4, a bracer, 5, main folder groove, 6, main cylindrical groove, 7, main spring, 8, main spring, 9, sub-folder groove, 10, secondary cylindrical groove, 11, auxiliary spring.

Detailed description of the invention

As shown in Figure 1, the technical solution adopted in the utility model is: a kind of test tube clamp, including handle 1, main folder 2 and sub-folder 3, the front end of described handle 1 is welded with a bracer 4, a bracer 4 is welded with main folder 2, the front center position of described main folder 2 has caved inward main folder groove 5, respectively caved inward a main cylindrical groove 6 in the upper left corner of main folder 2 and the lower left corner, in each main cylindrical groove 6, one group of main spring 7 is respectively installed, one group of lead 8 is installed in the front end often organizing main spring 7；

The front center position of described sub-folder 3 has caved inward sub-folder groove 9, respectively caved inward secondary cylindrical groove 10 in the upper right corner of sub-folder 3 and the lower right corner, respectively being provided with one group of auxiliary spring 11 in each secondary cylindrical groove 10, the end of described often group auxiliary spring 11 links together with lead 8 respectively.

By arrangement above, operation principle of the present utility model is as follows: by coordinating between lead 8 with main spring 7 and auxiliary spring 11, it is achieved main folder 2 and the clamping of 3 pairs of different model test tubes of sub-folder.

Above content is to combine the detailed description that this utility model is made by concrete preferred implementation, it is impossible to assert that detailed description of the invention of the present utility model is confined to these explanations.For this utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; some simple deduction or replace can also be made, all should be considered as belonging to the scope of patent protection that claims that this utility model submitted to determine.

Claims (1)

1. a test tube clamp, including handle, main folder head and sub-folder head, it is characterized in that: the front end of described handle is welded with a bracer, a bracer is welded with main folder head, the front center position of described main folder head has caved inward main folder groove, respectively caved inward a main cylindrical groove in the upper left corner of main folder head and the lower left corner, is respectively provided with one group of main spring, is provided with one group of lead in the front end often organizing main spring in each main cylindrical groove；

The front center position of described sub-folder head has caved inward sub-folder groove, respectively caved inward secondary cylindrical groove in the upper right corner of sub-folder head and the lower right corner, respectively being provided with one group of auxiliary spring in each secondary cylindrical groove, the described end often organizing auxiliary spring links together with lead respectively.