CN210700247U

CN210700247U - Test-tube rack for chemistry experiments

Info

Publication number: CN210700247U
Application number: CN201921434234.1U
Authority: CN
Inventors: 张锐杨
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-06-09
Anticipated expiration: 2029-08-30

Abstract

The utility model discloses a test-tube rack that chemistry experiments were used, the on-line screen storage device comprises a base, the equal fixedly connected with bracing piece in edge of base top surface both sides, the one end that the base was kept away from to the bracing piece runs through there is the sleeve pipe, the one end fixedly connected with test tube picture peg of bracing piece is kept away from to the sleeve pipe, the slot has been seted up to the even equidistance in both sides of test tube picture peg inside, the top and the equal fixedly connected with telescopic link in bottom of slot inner wall surface one side, the utility model relates to a chemistry experiments. This test-tube rack for chemistry experiments, through test tube picture peg, slot, telescopic link, push rod, first clamp plate, second clamp plate, carriage, connecting rod, expanding spring and chucking spring's mating reaction, can be fixed the test tube chucking of placing different specifications on the test-tube rack, through the mating reaction of fixed frame, sliding plate, screw rod, gag lever post and spacing hole for this test-tube rack can be suitable for the test tube of co-altitude not, and application scope is wider.

Description

Test-tube rack for chemistry experiments

Technical Field

The utility model relates to a chemistry experiment technical field specifically is a test-tube rack for chemistry experiments.

Background

When carrying out the chemistry experiment on the chemistry experiment class, need use the test tube for a long time, and the placing of test tube needs use the test-tube rack, and the test-tube rack can be used usually to the in-process of chemistry experiment, the test-tube rack is one kind of chemical experiment instrument, wood shelf or bamboo shelf, there are 6 holes and 12 holes two kinds, the test-tube rack is used for placing, dry the most basic laboratory instrument of the chemistry experiment room that the test tube was used, there are little wooden pillar and aperture of corresponding number in the test-tube rack, the aperture can be put the test tube with the test tube is perpendicular for use or so that continue observing the going on of reaction, the columniform can put the washing test tube upside down, in order to dry.

Most simple structure of test-tube rack for chemistry experiments at present, the function singleness, generally only have the function of placing the test tube, it is fixed not to the test tube effective clamp of placing, and there is certain clearance between the inside slot of test tube and test tube picture peg, at the in-process that removes the test-tube rack, easily make and bump between test tube and the test tube picture peg, thereby cause the damage of test tube, and can not be fixed to the test tube effective clamp of different specifications, the use has certain limitation, the flexibility is relatively poor, in addition, the height of test-tube rack is usually fixed, can not adjust it, make the test-tube rack can not be suitable for the test tube of co-altitude.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a test-tube rack for chemistry experiments has solved and has not effectively pressed from both sides tightly fixedly to the test tube of placing, and can not effectively press from both sides tightly fixedly to the test tube of different specifications, uses the problem that has certain limitation and test-tube rack and can not be suitable for the test tube of co-altitude.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a test tube rack for chemical experiments comprises a base, wherein supporting rods are fixedly connected to the edges of two sides of the surface of the top of the base, one end, far away from the base, of each supporting rod penetrates through a sleeve, one end, far away from the supporting rods, of each sleeve is fixedly connected with a test tube inserting plate, slots are formed in two uniform equal distances in each test tube inserting plate, telescopic rods are fixedly connected to the top and the bottom of one side of the surface of the inner wall of each slot, one end, far away from the slots, of each telescopic rod is fixedly connected with a first clamping plate, the middle of one side, far away from the telescopic rods, of the inner wall of each slot is fixedly connected with a connecting frame, telescopic springs are fixedly connected to the inner wall of each connecting frame, one end, far away from the connecting frames, of each telescopic spring is fixedly connected with a connecting rod, one end, extending to the outer, the improved sliding type support is characterized in that a fixed frame is fixedly connected to the bottom of one side of the outer wall surface of the sleeve, a sliding plate is slidably connected between the surfaces of the inner wall of the fixed frame, a screw rod is connected to the middle of one side of the surface of the sliding plate, one end, far away from the sliding plate, of the screw rod penetrates through the fixed frame and extends to the outside of the fixed frame, a limiting rod is fixedly connected to one side, far away from the screw rod, of the surface of the sliding plate, and one side, far away from the sliding plate.

Preferably, first chucking plate top surface middle part fixedly connected with push rod, the cavity internal connection that first chucking plate and second chucking plate formed has the test tube, the top fixed mounting of test tube has the test tube stopper.

Preferably, the sponge mat is fixedly installed on the surface of the top of the base, the placing grooves matched with the bottom ends of the test tubes are evenly formed in the top of the interior of the sponge mat, and the number of the test tubes is equal to that of the placing grooves.

Preferably, one side of the surface of the support rod is provided with a limiting hole matched with the limiting rod, and the limiting hole is uniformly distributed in the support rod.

Preferably, the bottom surface of the base is fixedly provided with a moisture-proof pad, and the moisture-proof pad is made of wear-resistant rubber.

(III) advantageous effects

The utility model provides a test-tube rack that chemistry experiments were used. The method has the following beneficial effects:

(1) the test tube rack for the chemical experiment comprises inserting grooves which are uniformly arranged at equal intervals on two sides in a test tube inserting plate, telescopic rods are fixedly connected to the top and the bottom of one side of the surface of the inner wall of each inserting groove, one end, far away from each inserting groove, of each telescopic rod is fixedly connected with a first clamping plate, the middle part of the top surface of each first clamping plate is fixedly connected with a push rod, the middle part, far away from each telescopic rod, of the inner wall of each inserting groove is fixedly connected with a connecting frame, the inner wall of each connecting frame is fixedly connected with a telescopic spring, one end, far away from each connecting frame, of each telescopic spring is fixedly connected with a connecting rod, one end, extending to the outside of each connecting frame, of each inserting groove, a clamping spring is fixedly connected between the surface, far away from each connecting frame, of the inner wall of each inserting groove and the second clamping plate, can be fixed to the test tube chucking of placing different specifications on the test-tube rack, when effectively avoiding removing the test-tube rack, bump and cause the phenomenon of test tube damage between test tube and the test tube picture peg, play certain guard action to the test tube, application range is wider, and the flexibility is stronger.

(2) The test tube rack for chemical experiments is characterized in that a fixing frame is fixedly connected with the bottom of one side of the outer wall surface of a sleeve, a sliding plate is connected between the surfaces of the inner walls of the fixing frame in a sliding manner, a screw rod is connected with the middle part of one side of the surface of the sliding plate, one end of the screw rod, far away from the sliding plate, penetrates through the fixing frame and extends to the outside of the fixing frame, a limiting rod is fixedly connected with one side of the surface of the sliding plate, far away from the screw rod, and one side of the limiting rod, far away from the sliding plate, penetrates through the sleeve, a supporting rod and extends to the inside of the supporting rod in sequence, one side of the surface of the supporting rod is provided with a limiting hole matched with the limiting rod, and the limiting hole is uniformly distributed in the supporting rod, has wide application range.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the structure of the present invention with the test tube removed;

FIG. 3 is a side view of the structure of the present invention with the test tube removed;

FIG. 4 is an enlarged view of a portion A of FIG. 1;

fig. 5 is a partially enlarged view of fig. 2 at B.

In the figure: the test tube inserting plate comprises a base 1, a spongy cushion 2, a supporting rod 3, a sleeve 4, a test tube inserting plate 5, a push rod 6, a test tube plug 7, a test tube 8, a limiting hole 9, a damp-proof cushion 10, a slot 11, a first clamping plate 12, a telescopic rod 13, a clamping spring 14, a second clamping plate 15, a limiting rod 16, a sliding plate 17, a fixing frame 18, a screw rod 19, a connecting rod 20, a connecting frame 21 and a telescopic spring 22.

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. 1-5, the present invention provides a technical solution: a test tube rack for chemical experiments comprises a base 1, wherein supporting rods 3 are fixedly connected with the edges of two sides of the top surface of the base 1, one ends of the supporting rods 3, far away from the base 1, penetrate through sleeves 4, one ends of the sleeves 4, far away from the supporting rods 3, are fixedly connected with test tube plugboards 5, slots 11 are uniformly arranged at equal intervals on two sides in the test tube plugboards 5, telescopic rods 13 are fixedly connected with the top and the bottom of one side of the inner wall surface of each slot 11, one end, far away from the slot 11, of each telescopic rod 13 is fixedly connected with a first clamping plate 12, the middle part of the top surface of the first clamping plate 12 is fixedly connected with a push rod 6, the middle part of one side, far away from the telescopic rod 13, of the inner wall of each slot 11 is fixedly connected with a connecting frame 21, an expansion spring 22 is fixedly connected with the inner wall of the connecting frame, the clamping springs 14 are fixedly connected between the surfaces of the inner walls of the slots 11, which are far away from the connecting frame 21, and the second clamping plates 15, so that test tubes 8 of different specifications placed on a test tube rack can be effectively clamped and fixed, the phenomenon of collision between the test tubes 8 and the test tube inserting plates 5 when the test tube rack is moved is avoided, the test tubes 8 are connected inside a cavity formed by the first clamping plates 12 and the second clamping plates 15, test tube plugs 7 are fixedly installed at the top ends of the test tubes 8, sponge pads 2 are fixedly installed on the top surfaces of the bases 1, the sponge pads 2 can play a certain protection role in protecting the test tubes 8, placing grooves matched with the bottom ends of the test tubes 8 are uniformly formed in the top portions of the sponge pads 2, the number of the test tubes 8 is equal to that of the placing grooves, fixed frames 18 are fixedly connected at the bottoms of the outer wall surfaces of the sleeves 4, and sliding plates, the middle part of one side of the surface of the sliding plate 17 is connected with a screw rod 19, one end of the screw rod 19 far away from the sliding plate 17 penetrates through the fixed frame 18 and extends to the outside of the fixed frame 18, one side of the surface of the sliding plate 17 far away from the screw rod 19 is fixedly connected with a limiting rod 16, one side of the limiting rod 16 far away from the sliding plate 17 sequentially penetrates through the sleeve 4, the supporting rod 3 extends to the inside of the supporting rod 3, one side of the surface of the supporting rod 3 is provided with a limiting hole 9 matched with the limiting rod 16, the limiting holes 9 are uniformly distributed in the supporting rod 3, the distance between the test tube inserting plate 5 and the base 1 can be effectively adjusted, so that the height of the test tube rack can be adjusted, test tubes 8 with different heights can be adapted, the bottom surface of the base 1 is fixedly provided with a moisture-proof, and the phenomenon that the bottom of the test tube rack is corroded by chemicals is also reduced.

When the test tube plug 7 is used, a user covers a test tube 8 filled with chemicals, then the test tube plug 7 is placed on a test tube rack, the distance between a test tube inserting plate 5 and a base 1 is required to be adjusted according to the shortest height of test tubes 8 of different specifications, namely, the height of the test tube rack is adjusted, at the moment, a screw rod 19 is rotated, the screw rod 19 rotates to drive a sliding plate 17 to move on the surface of the inner wall of a fixing frame 18 until a limiting rod 16 can be separated from the inside of a supporting rod 3, the length of the supporting rod 3 extending to the inside of a sleeve 4 is changed, then the screw rod 19 is rotated in the opposite direction until the limiting plate 16 can be clamped with different limiting holes 9 in the supporting rod 3, namely, the distance between the test tube inserting plate 5 and the base 1 can be adjusted, so that the test tube rack can be suitable for test tubes 8 of different heights, the telescopic rod 13 is driven to stretch, the test tube 8 is placed in a cavity formed by the first clamping plate 12 and the second clamping plate 15, at the moment, the test tube 8 can extrude the second clamping plate 15, the second clamping plate 15 can extrude the connecting rod 20, the telescopic spring 22 and the clamping spring 14, and the compression degree of the telescopic spring 22 and the clamping spring 14 is deepened, so that the test tube 8 placed on the test tube rack can be clamped and fixed in different specifications, the phenomenon that the test tube 8 is damaged due to collision between the test tube 8 and the test tube inserting plate 5 when the test tube rack is moved is effectively avoided, the test tube 8 is protected to a certain extent, the application range is wider, the test tube rack is stronger, the sponge cushion 2 can play a certain protection role in protecting the test tube 8, the moisture-proof cushion 10 can effectively prevent the bottom of the test tube rack from being wet, the phenomenon that the bottom of the test tube rack is corroded by chemical medicines is also reduced, and the test tube rack, convenient adjustment and strong practicability.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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 test-tube rack for chemistry experiments, includes base (1), its characterized in that: the test tube inserting plate is characterized in that supporting rods (3) are fixedly connected to the edges of the two sides of the top surface of the base (1), one ends, far away from the base (1), of the supporting rods (3) penetrate through sleeves (4), one ends, far away from the supporting rods (3), of the sleeves (4) are fixedly connected with test tube inserting plates (5), slots (11) are formed in the two sides of the interior of the test tube inserting plates (5) at equal intervals, telescopic rods (13) are fixedly connected to the tops and the bottoms of the inner wall surfaces of the slots (11), one ends, far away from the slots (11), of the telescopic rods (13) of the inner walls of the slots (11), connecting frames (21) are fixedly connected to the middle portions of the inner walls of the slots (11), telescopic springs (22) are fixedly connected with telescopic springs (22), and connecting rods (, the connecting rod (20) extends to a second clamping plate (15) fixedly connected with one end outside the connecting frame (21), clamping springs (14) are fixedly connected between the surface of the inner wall of the slot (11) far away from the connecting frame (21) and the second clamping plate (15), a fixed frame (18) is fixedly connected with the bottom of one side of the outer wall surface of the sleeve (4), a sliding plate (17) is connected between the surfaces of the inner wall of the fixed frame (18) in a sliding mode, a screw rod (19) is connected to the middle of one side of the surface of the sliding plate (17), one end, far away from the sliding plate (17), of the screw rod (19) penetrates through the fixed frame (18) and extends to the outside of the fixed frame (18), a limiting rod (16) is fixedly connected with one side of the surface of the sliding plate (19) far away from the sliding plate (16), and one side, far away from the sliding plate, The supporting rod (3) extends to the inner part of the supporting rod (3).

2. A test tube rack for chemical experiments according to claim 1, characterized in that: first chucking board (12) top surface middle part fixedly connected with push rod (6), the cavity internal connection that first chucking board (12) and second chucking board (15) formed has test tube (8), the top fixed mounting of test tube (8) has test tube stopper (7).

3. A test tube rack for chemical experiments according to claim 1, characterized in that: the test tube rack is characterized in that a sponge mat (2) is fixedly mounted on the top surface of the base (1), a placing groove matched with the bottom end of a test tube (8) is uniformly formed in the top of the sponge mat (2), and the number of the test tubes (8) is equal to that of the placing groove.

4. A test tube rack for chemical experiments according to claim 1, characterized in that: one side of the surface of the supporting rod (3) is provided with a limiting hole (9) matched with the limiting rod (16), and the limiting hole (9) is uniformly distributed in the supporting rod (3).

5. A test tube rack for chemical experiments according to claim 1, characterized in that: the bottom fixed surface of base (1) installs dampproofing pad (10), and dampproofing pad (10) are made for stand wear and tear rubber material.