CN210994392U

CN210994392U - Middle school student is with chemistry experiment frame convenient to adjust

Info

Publication number: CN210994392U
Application number: CN201921970250.2U
Authority: CN
Inventors: 位俊宇; 杨舒雅
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-07-14
Anticipated expiration: 2029-11-15

Abstract

The utility model discloses a middle school student uses chemistry experiment frame convenient to adjust, including experiment frame and base, experiment frame left side is provided with first switch, and first switch right side welding has first threaded rod, the welding of first threaded rod right side has the thing piece of putting, and first threaded rod outer wall is provided with first thread bush, first thread bush left and right sides all is provided with first sliding block, embedded and first sliding tray of first sliding block, first sliding tray sets up inside the experiment frame, experiment frame the place ahead is provided with the second switch, second switch rear fixedly connected with second threaded rod. The utility model discloses a set up first threaded rod, first thread bush, first sliding block and first sliding tray and can make and put the thing piece about and reciprocate, can conveniently fix first threaded rod through setting up second switch, second threaded rod and second thread groove, experimental apparatus puts into and puts the thing piece after, can conveniently adjust.

Description

Middle school student is with chemistry experiment frame convenient to adjust

Technical Field

The utility model relates to a chemistry experiment frame technical field specifically is a middle school student uses chemistry experiment frame convenient to adjust.

Background

Chemistry experiment is middle school student's must repair the class, can let the student contact the laboratory glassware through chemistry experiment, find out the principle of chemistry experiment, can walk into chemistry better, study chemistry, present chemistry experiment frame needs the preliminary adjustment, fix experimental apparatus again, it is accurate inadequately to appear the preliminary adjustment easily, it can not reach the experimental effect to lead to fixed back of experimental apparatus, need carry out many times and adjust the experiment frame, the process is loaded down with trivial details, and the experiment frame needs to be dismantled with the base in the removal process, can appear after the installation once more and install stability inadequately, lead to experimental apparatus to drop, present experimental apparatus is the glass matter mostly, it is injured to cause personnel easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a middle school student uses chemical experiment frame convenient to adjust to the problem of not being convenient for adjust and installing after stable inadequately that provides in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a chemical experiment rack convenient to adjust for middle school students comprises an experiment rack and a base, wherein a first switch is arranged on the left side of the experiment rack, a first threaded rod is welded on the right side of the first switch, a material placing block is welded on the right side of the first threaded rod, a first threaded sleeve is arranged on the outer wall of the first threaded rod, first sliding blocks are arranged on the left side and the right side of the first threaded sleeve respectively, the first sliding blocks are embedded in first sliding grooves, the first sliding grooves are arranged in the experiment rack, a second switch is arranged in front of the experiment rack, a second threaded rod is fixedly connected behind the second switch, the second threaded rod is embedded in a second threaded sleeve, the second threaded sleeve is fixedly connected with the first threaded sleeve, the base is arranged at the bottom end of the experiment rack, fixed blocks are arranged on the left side and the right side of the bottom end of the experiment rack, the fixed blocks are embedded in a sleeve, and a movable plate, the movable plate is characterized in that a second sliding block is fixedly connected to the top end of the movable plate and embedded inside a second sliding groove, the second sliding groove is formed in the inner wall of the base, the movable plate is connected with one end of a spring, the other end of the spring is connected with a baffle, and the top end of the baffle is fixedly connected with the inner wall of the base.

Preferably, the first sliding block and the first sliding groove are shaped like L, and the first threaded sleeve forms an embedded sliding structure through the first sliding block and the first sliding groove.

Preferably, the length of the second threaded rod is less than or equal to the length between the first threaded sleeve and the outer wall of the experiment frame.

Preferably, the second sliding block and the first sliding block are in the same shape and are in an isosceles trapezoid shape, and the movable plate forms a sliding elastic structure through the second sliding block, the second sliding groove, the spring and the baffle.

Preferably, the surface of the left side and the surface of the right side of the experiment frame are both provided with rectangular grooves, the width of each rectangular groove is the same as that of the corresponding first threaded rod, circular holes are formed in the front side and the rear side of the experiment frame, and the diameter of each circular hole is the same as that of the corresponding second threaded rod.

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

1. through setting up first threaded rod, first thread bush, first sliding block and first sliding tray and can making to put the thing piece about going on and reciprocate, can conveniently fix first threaded rod through setting up second switch, second threaded rod and second thread tray, the experimental apparatus is put into and is put the thing piece back, can conveniently adjust, avoids the loaded down with trivial details of many times regulation.

2. Through setting up sleeve, dead lever, spring and baffle, can make sleeve and fixed block fix after the installation, cause the drop when preventing base and experiment frame, test instrument is not fixed enough and drops when preventing to experiment.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic structural view of the utility model at the position B in fig. 1;

fig. 3 is a schematic top view of the cross-sectional structure of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 3 according to the present invention;

fig. 5 is a schematic side view of the present invention.

In the figure: 1. an experiment frame; 2. a first switch; 3. a first threaded rod; 4. a first threaded sleeve; 5. a first slider; 6. a first sliding groove; 7. a second switch; 8. a second threaded rod; 9. a second threaded sleeve; 10. a base; 11. a fixed block; 12. a sleeve; 13. a movable plate; 14. a second slider; 15. a second sliding groove; 16. a spring; 17. a baffle plate; 18. and placing the object blocks.

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 utility model provides an embodiment, a chemical experiment frame for middle school student convenient to adjust, including experiment frame 1 and base 10, experiment frame 1 left side is provided with first switch 2, first switch 2 right side welding has first threaded rod 3, first threaded rod 3 right side welding has thing piece 18, and first threaded rod 3 outer wall is provided with first thread bush 4, first thread bush 4 left and right sides all is provided with first sliding block 5, first sliding block 5 is embedded with first sliding groove 6, first sliding block 5 and first sliding groove 6 shape are "L" shape, first thread bush 4 constitutes embedded sliding structure through first threaded rod 5 and first sliding groove 6, can make first threaded rod 3 reciprocate, first sliding groove 6 sets up inside experiment frame 1, experiment frame 1 the place ahead is provided with second switch 7, second switch 7 rear side fixedly connected with second threaded rod 8, second threaded rod 8 length is less than or equal to the length between first threaded bush 4 and experiment frame 1 outer wall, make second threaded rod 7 and experiment frame 1 the same with the experiment frame 7 through the fixed threaded rod 13, the fixed threaded rod 13 is equipped with the fixed on the second movable plate 10, the fixed movable plate 10 and the fixed plate 15, the fixed movable plate, the fixed plate 15, the fixed plate is equipped with the fixed plate, the fixed plate 13, the fixed plate can be equipped with the fixed plate, the fixed plate 10 and the fixed plate, the fixed plate 13, the fixed plate, the base, the fixed plate 13, the base, the.

The working principle is as follows: when the device is used, experimental equipment is placed in the object placing block 18, when front and back adjustment is needed, the first switch 2 is rotated, the first threaded rod 3 is rotated to enable the object placing block 18 to rotate and move back and forth, the rotating angle is integral multiple of one hundred eighty degrees, when up and down adjustment is needed, the second switch 7 is rotated by rotating the second switch 7 to enable the second threaded rod 8 to rotate, the second switch 7 and the second threaded rod 8 can be taken out, the first switch 2 is slid up and down to enable the first sliding block 5 to slide in the first sliding groove 6, all-directional adjustment can be carried out, the instrument can be directly placed in the object placing block 18 to be adjusted, the adjusting amount can be visually seen, multiple times of adjustment are not needed, after the adjustment is carried out to a proper position, the second switch 7 and the second threaded rod 8 are inserted into a hole in the second threaded sleeve 9, after rotating, the second switch 7 is tightly attached to the outer wall of the experiment frame 1, the friction force between the second switch 7 and the second threaded sleeve 9 is increased after the pressure is increased, the first threaded sleeve 4 can be fixed, the first threaded rod 3 is prevented from dropping, and the fixing effect is achieved.

When needs are fixed experimental frame 1 and base 10, make second sliding block 14 remove through pulling sleeve 12 right, compress second sliding tray 15, second sliding tray 15 converts the pressure that receives into elastic potential energy, second sliding block 14 slides in second sliding tray 15 is inside, insert experimental frame 1 and fix through the screw in the hole of base 10 inside, loosen sleeve 12 afterwards, second sliding tray 15 converts elastic potential energy into kinetic energy this moment, promote fly leaf 13 and remove left, make second sliding block 14 move in second sliding tray 15 is inside, sleeve 12 cup joints fixed block 11, can prevent that the installation is insecure to lead to experimental frame 1 and base 10 to drop, and make the laboratory glassware cause the damage, make personnel be injured.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a middle school student uses chemistry experiment frame convenient to adjust, includes experiment frame (1) and base (10), its characterized in that: the experimental device is characterized in that a first switch (2) is arranged on the left side of the experimental frame (1), a first threaded rod (3) is welded on the right side of the first switch (2), a material placing block (18) is welded on the right side of the first threaded rod (3), a first threaded sleeve (4) is arranged on the outer wall of the first threaded rod (3), first sliding blocks (5) are arranged on the left side and the right side of the first threaded sleeve (4), the first sliding blocks (5) are embedded in first sliding grooves (6), the first sliding grooves (6) are arranged inside the experimental frame (1), a second switch (7) is arranged in front of the experimental frame (1), a second threaded rod (8) is fixedly connected to the rear of the second switch (7), the second threaded rod (8) is embedded in a second threaded sleeve (9), the second threaded sleeve (9) is fixedly connected with the first threaded sleeve (4), a base (10) is arranged at the bottom end of the experimental frame (1), experiment frame (1) bottom left and right sides all is provided with fixed block (11), fixed block (11) are embedded in sleeve (12), sleeve (12) bottom fixedly connected with fly leaf (13), fly leaf (13) top fixedly connected with second sliding block (14), second sliding block (14) are embedded in inside second sliding tray (15), second sliding tray (15) set up in base (10) inner wall, fly leaf (13) are connected with the one end of spring (16), the other end of spring (16) is connected with baffle (17), baffle (17) top and base (10) inner wall fixed connection.

2. The chemical experiment rack convenient to adjust for middle school students according to claim 1, wherein the first sliding block (5) and the first sliding groove (6) are shaped like L, and the first threaded sleeve (4) forms an embedded sliding structure through the first sliding block (5) and the first sliding groove (6).

3. The chemical laboratory stand for middle school students convenient to adjust as claimed in claim 1, wherein: the length of the second threaded rod (8) is less than or equal to the length between the first threaded sleeve (4) and the outer wall of the experiment frame (1).

4. The chemical laboratory stand for middle school students convenient to adjust as claimed in claim 1, wherein: the shape of the second sliding block (14) is the same as that of the first sliding block (5) and is isosceles trapezoid, and the movable plate (13) forms a sliding type elastic structure through the second sliding block (14), the second sliding groove (15), the spring (16) and the baffle (17).

5. The chemical laboratory stand for middle school students convenient to adjust as claimed in claim 1, wherein: the surface of the left side and the right side of the experiment frame (1) are provided with rectangular grooves, the width of each rectangular groove is the same as that of the first threaded rod (3), circular holes are formed in the front side and the rear side of the experiment frame (1), and the diameter of each circular hole is the same as that of the second threaded rod (8).