CN208642735U - A kind of shrinkable rack for test tube - Google Patents

Abstract

The utility model discloses a kind of shrinkable rack for test tubes, including external module and retraction assemblies, the retraction assemblies include third column, push handle, cross bar, detent block, adjustable spring and placement plate, the lower inside of second column is equipped with the placement plate, the placement plate is fixedly connected with second column, the top of the placement plate is equipped with the third column, and the third column is slidably connected with the placement plate, and the lower inside of the third column is equipped with the adjustable spring；Original rack for test tube column is divided into two sections, inside, which hides, is provided with third column, and third column can be slided up and down by push handle, and then control the height of rack for test tube column, and rack for test tube can be made to place the test tube of different length, it is convenient to use, convenient for observation experiment phenomenon, detent block is also fixed on the right side of adjustable spring through there is adjustable spring in the lower inside of third column, it is fixed after sliding certain altitude, prevents column from sliding.

Description

A kind of shrinkable rack for test tube

Technical field

The utility model belongs to rack for test tube technical field, and in particular to a kind of shrinkable rack for test tube.

Background technique

Rack for test tube is one kind of chemical experimental instrument, there is wooden shelf or bamboo shelf, there is two kinds of 6 holes and 12 holes, test tube Frame is the most basic laboratory apparatus for placing, drying the chemical laboratory of test tube.With respective number in rack for test tube Duckpin and aperture.It is foraminate test tube to be placed vertically for use or to continue the progress of observing response.There is can cleaning for column Test tube is put upside down, to dry.

There are certain shortcomings for original rack for test tube, since rack for test tube carries out experimental observation for holding test tubes, and The length of test tube has 150mm, 180mm and 200mm, just defines the height of rack for test tube, the rack for test tube of each height in this way The test tube for placing every kind of specification is unfavorable for experimental observation, and original rack for test tube is put may control two side's weight on the table Shakiness causes rack for test tube to be toppled over, and test tube liquid leakage influences experimental observation, and certain injury is caused to experimenter.

Utility model content

The purpose of this utility model is to provide a kind of shrinkable rack for test tubes, to solve original mentioned above in the background art With the presence of the certain shortcoming of rack for test tube, since rack for test tube carries out experimental observation for holding test tubes, and the length of test tube There are 150mm, 180mm and 200mm, just define the height of rack for test tube in this way, the rack for test tube of each height places every kind of rule The test tube of lattice, is unfavorable for experimental observation, and original rack for test tube puts that may to control two side's weight on the table unstable, causes to try The problem of pipe support is toppled over, and test tube liquid leakage influences experimental observation, causes certain injury to experimenter.

To achieve the above object, the utility model provides the following technical solutions: a kind of shrinkable rack for test tube, including outer set Part and retraction assemblies, the external module include test tube frame plate, the first column, the second column, pedestal, sunning column, retainer plate and The upper surface front of limiter, the pedestal is equipped with the sunning column, and the sunning column is fixedly connected with the base, the bottom The top of seat is equipped with the test tube frame plate, and the test tube frame plate is fixedly connected with the base, and the bottom of the test tube frame plate is set There is first column, first column is fixedly connected with the test tube frame plate, and the lower section of first column is equipped with described Second column, second column are slidably connected with first column, and the limiter is located at the inside of the test tube frame plate, And be fixedly connected with the test tube frame plate, the inside of the limiter is equipped with the retainer plate, the retainer plate and the limit Device is fixedly connected, and the retraction assemblies include third column, push handle, cross bar, detent block, adjustable spring and placement plate, and described The lower inside of two columns is equipped with the placement plate, and the placement plate is fixedly connected with second column, the placement plate Top is equipped with the third column, and the third column is slidably connected with the placement plate, the lower inside of the third column Equipped with the adjustable spring, the adjustable spring is slidably connected with the third column, and the left side of the adjustable spring is equipped with institute Detent block is stated, the detent block is fixedly connected with the adjustable spring, and the cross bar is located at the right side of the adjustable spring, and with The adjustable spring is fixedly connected, and the right side of the cross bar is equipped with the push handle, and the push handle is fixedly connected with the cross bar.

Preferably, the left side of the cross bar is equipped with fixed block, and the fixed block is fixedly connected with the cross bar.

Preferably, be equipped with detent block placing groove on the left of the lower inside of the third column, the detent block placing groove with The third column is integrally formed.

Preferably, the bottom of the pedestal is equipped with sucker, and the sucker is fixedly connected with the base.

Preferably, the inner upper of the pedestal is equipped with the retainer plate, and the retainer plate is fixedly connected with the base.

Compared with prior art, the utility model has the beneficial effects that by improving on the basis of original rack for test tube, Original rack for test tube column is divided into two sections, inside, which hides, is provided with third column, and third column can be by gliding in push handle It is dynamic, and then the height of rack for test tube column is controlled, rack for test tube can be made to place the test tube of different length, be easy to use, convenient for observation Experimental phenomena is also fixed with detent block, is used in the lower inside of third column through there is adjustable spring on the right side of adjustable spring It is fixed after sliding certain altitude, prevents column from sliding bottom, be also provided with sucker, pedestal and desktop can carried out Fixed, to avoid weight, unevenly caused rack for test tube is toppled over.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the overlooking structure diagram of the utility model；

Fig. 3 is the third column schematic diagram of internal structure in the utility model；

In figure: 10, external module；11, test tube frame plate；12, the first column；13, the second column；14, pedestal；15, it dries Column；16, retainer plate；17, limiter；20, retraction assemblies；21, third column；22, push handle；23, cross bar；24, detent block；25, Adjustable spring；26, placement plate.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of shrinkable rack for test tube, including external module 10 and retraction assemblies 20, external module 10 includes test tube frame plate 11, the first column 12, the second column 13, pedestal 14, sunning column 15, retainer plate 16 and limiter 17, the upper surface front of pedestal 14 are equipped with sunning column 15, and sunning column 15 and pedestal 14, which are fixed, to be connected It connects, the top of pedestal 14 is equipped with test tube frame plate 11, and test tube frame plate 11 is fixedly connected with pedestal 14, and the bottom of test tube frame plate 11 is equipped with First column 12, the first column 12 are fixedly connected with test tube frame plate 11, and the lower section of the first column 12 is equipped with the second column 13, and second Column 13 is slidably connected with the first column 12, and limiter 17 is located at the inside of test tube frame plate 11, and fixes and connect with test tube frame plate 11 It connects, the inside of limiter 17 is equipped with retainer plate 16, and retainer plate 16 is fixedly connected with limiter 17, and retraction assemblies 20 are vertical including third Column 21, push handle 22, cross bar 23, detent block 24, adjustable spring 25 and placement plate 26, the lower inside of the second column 13, which is equipped with, to be placed Plate 26, placement plate 26 are fixedly connected with the second column 13, and the top of placement plate 26 is equipped with third column 21, third column 21 with put It sets plate 26 to be slidably connected, the lower inside of third column 21 is equipped with adjustable spring 25, and adjustable spring 25 and third column 21 slide The left side of connection, adjustable spring 25 is equipped with detent block 24, and detent block 24 is fixedly connected with adjustable spring 25, and cross bar 23 is located at flexible The right side of spring 25, and be fixedly connected with adjustable spring 25, the right side of cross bar 23 is equipped with push handle 22, and push handle 22 and cross bar 23 are fixed Connection.

In the present embodiment, the quantity of the second column 13 is two, is located at the upper surface two sides of pedestal 14, vertical second The side of column 13 is provided with sliding rail, and sliding rail and the second column are integrally formed, and sliding rail is in elongated rectangular, and cross bar 23 is just in cunning The inner sidewall of rail can slide up and down.

In the present embodiment, it is provided with third column 21 in the inside of the second column 13, it can be by gliding in push handle 22 Dynamic third column 21, and then the height of rack for test tube is controlled, the test tube of different height can be placed, observation experiment phenomenon is facilitated, The lower inside of third column 21 is provided with adjustable spring 25, and the left side of adjustable spring 25 is fixed with detent block 24, in push handle When 22 stretching, detent block 24 is just slided into from left to right inside detent block placing groove, then can just slide up and down, unclamp After hand, detent block 24 returns to the left side of third column 21, and third column 21 is fixed, easy to operate.

Further, the left side of cross bar 23 is equipped with fixed block, and fixed block is fixedly connected with cross bar 23.

In the present embodiment, fixed block is located at the lower right-hand side of third column 21, and fixed block is more slightly wider than cross bar 23, can use The control of adjustable spring 25 sliding and fixed position.

Further, detent block placing groove, detent block placing groove and third are equipped on the left of the lower inside of third column 21 Column 21 is integrally formed.

In the present embodiment, detent block placing groove is in rectangular shape, the inside left of third column 21 is fixed on, for sliding When dynamic third column 21, detent block 24 is placed.

Further, the bottom of pedestal 14 is equipped with sucker, and sucker is fixedly connected with pedestal 14.

In the present embodiment, the quantity of sucker is four, can be fixed with desktop, so that rack for test tube is stood firm, is not easy to topple over.

Further, the inner upper of pedestal 14 is equipped with retainer plate 16, and retainer plate 16 is fixedly connected with pedestal 14.

In the present embodiment, the quantity of limiter 17 is six, corresponding, and the quantity of retainer plate 16 is six, in horizontal equal Deng arrangement.

The working principle and process for using of the utility model: after the utility model installs, rack for test tube is placed on first In horizontal table top, two lower suckers are pressed lightly on, are allowed to fix with desktop, then first horizontal outer drawing push handle 22, draws push handle outside When 22, the detent block 24 of 13 lower right of the second column is just retracted in detent block placing groove, slides push handle then up, And then third column 21 can be slided, rack for test tube height adjustment is carried out, after highly controlling, it is only necessary to which unclamping hand can consolidate Fixed height, detent block 24 returns to original position while loosing one's grip.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of shrinkable rack for test tube, it is characterised in that: including external module (10) and retraction assemblies (20), the external module It (10) include test tube frame plate (11), the first column (12), the second column (13), pedestal (14), sunning column (15), retainer plate (16) With limiter (17), be equipped with the sunning column (15) in front of the upper surface of the pedestal (14), the sunning column (15) with it is described Pedestal (14) is fixedly connected, and the top of the pedestal (14) is equipped with the test tube frame plate (11), the test tube frame plate (11) and institute It states pedestal (14) to be fixedly connected, the bottom of the test tube frame plate (11) is equipped with first column (12), first column (12) it is fixedly connected with the test tube frame plate (11), the lower section of first column (12) is equipped with second column (13), institute It states the second column (13) to be slidably connected with first column (12), the limiter (17) is located at the test tube frame plate (11) Inside, and be fixedly connected with the test tube frame plate (11), the inside of the limiter (17) is equipped with the retainer plate (16), described Retainer plate (16) is fixedly connected with the limiter (17), the retraction assemblies (20) include third column (21), push handle (22), The lower inside of cross bar (23), detent block (24), adjustable spring (25) and placement plate (26), second column (13) is equipped with institute It states placement plate (26), the placement plate (26) is fixedly connected with second column (13), sets above the placement plate (26) There is the third column (21), the third column (21) is slidably connected with the placement plate (26), the third column (21) Lower inside be equipped with the adjustable spring (25), the adjustable spring (25) is slidably connected with the third column (21), institute The left side for stating adjustable spring (25) is equipped with the detent block (24), the detent block (24) and the adjustable spring (25) fixed company It connects, the cross bar (23) is located at the right side of the adjustable spring (25), and is fixedly connected with the adjustable spring (25), the cross The right side of bar (23) is equipped with the push handle (22), and the push handle (22) is fixedly connected with the cross bar (23).

2. a kind of shrinkable rack for test tube according to claim 1, it is characterised in that: the left side of the cross bar (23) is equipped with solid Determine block, the fixed block is fixedly connected with the cross bar (23).

3. a kind of shrinkable rack for test tube according to claim 1, it is characterised in that: the interior subordinate of the third column (21) Side left side is equipped with detent block placing groove, and the detent block placing groove and the third column (21) are integrally formed.

4. a kind of shrinkable rack for test tube according to claim 1, it is characterised in that: the bottom of the pedestal (14), which is equipped with, inhales Disk, the sucker are fixedly connected with the pedestal (14).

5. a kind of shrinkable rack for test tube according to claim 1, it is characterised in that: the inner upper of the pedestal (14) is set Have the retainer plate (16), the retainer plate (16) is fixedly connected with the pedestal (14).