CN211303079U

CN211303079U - Scientific test box for middle school

Info

Publication number: CN211303079U
Application number: CN201921401562.1U
Authority: CN
Inventors: 童根荣; 童震宇
Original assignee: Huzhou Lifang Industry Co ltd
Current assignee: Huzhou Lifang Industry Co ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-08-21
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses a middle school science proof box, including experimental box, the inner wall fixedly connected with insulating layer of experimental box, the manual telescopic link of inner wall one side fixedly connected with of experimental box, the work end fixedly connected with clip of manual telescopic link, the inner wall of experimental box and with the corresponding one side fixedly connected with point firearm of clip, just be close to experimental box inner wall top fixedly connected with flue gas filter equipment between the corresponding both sides of experimental box inner wall, just be close to flue gas filter equipment's fixed position and be connected with particle filter equipment between the corresponding both sides of experimental box inner wall, the surperficial central point of chamber door puts and is provided with the observation window, the utility model relates to an experimental box technical field. This middle school scientific test case has reached the automatic combustion, and gas cleaning's effect does not need handheld burning, avoids the condition of scald and dazzling, has reduced the potential safety hazard, has improved the efficiency of giving lessons, has reduced atmospheric pollution, has improved performance.

Description

Scientific test box for middle school

Technical Field

The utility model relates to a proof box technical field specifically is a middle school scientific proof box.

Background

The test refers to a trial operation performed to know the performance or result of a certain object, and in the middle school learning process, especially in the physical or chemical test process, a burning test is frequently used, the burning test is a test for evaluating the composition or the burning performance of a sample by means of burning, many substances have special flame colors when burning, and the burning substances have specific smells, so the composition of the sample can be judged by the state, flame colors and smell signs of the burning sample, and certain flame-resistant rubber products such as a flame-resistant conveyer belt also have the burning resistance judged by the burning test, and the common burning test method comprises the following steps: a method for testing combustibility by contact flame, a method for testing ignition by heating, and a method for testing occurrence of electric leakage. At present, the middle school science burning test in the real life is that the mr holds tweezers with the hand basically, has played the sample tweezers, burn, waste time and energy, give lessons inefficiency, in the combustion process, tweezers generate heat and scald easily, and can send the light of blazing yang during the sample burning, the mr is nearest apart from, be an injury to eyes, there is the potential safety hazard, and the dust that produces during the burning, poisonous and harmful gas all can give off in the laboratory, the atmosphere of polluting promptly, it is unfavorable also to student's health.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a middle school scientific test case has solved the mr and has held tweezers with the hand, play sample tweezers, burn, waste time and energy, the inefficiency of giving lessons, in the combustion process, tweezers generate heat and scald easily, and can send dazzling light when the sample burns, the mr is nearest apart from, be an injury to eyes, there is the potential safety hazard, and the dust that produces during the burning, poisonous and harmful gas all can distribute in the laboratory, the atmosphere is polluted promptly, also to the healthy unfavorable problem of student.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a middle school science proof box, includes experimental box, the inner wall fixedly connected with insulating layer of experimental box, the manual telescopic link of inner wall one side fixedly connected with of experimental box, the work end fixedly connected with clip of manual telescopic link, the inner wall of experimental box and with the corresponding one side fixedly connected with point firearm of clip, just be close to experimental box inner wall top fixedly connected with flue gas filter equipment between the corresponding both sides of experimental box inner wall, just be close to flue gas filter equipment's fixed position particle filter equipment between the corresponding both sides of experimental box inner wall, surface one side of experimental box is rotated and is connected with the chamber door, the surperficial central point of chamber door puts and is provided with the observation window.

Preferably, one side of the top of the manual telescopic rod is in threaded connection with a locking screw, and one side of the top of the manual telescopic rod is provided with a threaded hole matched with the locking screw.

Preferably, the top center of the test box body is communicated with a smoke pipe, the center of the bottom of the inner wall of the test box body is connected with a chassis in a matching mode, and two corresponding sides of the bottom of the test box body are fixedly connected with bases.

Preferably, the flue gas filter equipment includes the flue gas and filters the frame, the surface of flue gas filtration frame and the inner wall fixed connection of experimental box, the inner wall of flue gas filtration frame fixedly connected with active carbon filter screen, graphite alkene filter screen and sodium alginate filter screen in proper order.

Preferably, the particle filtering device comprises a particle filtering outer frame, the surface of the particle filtering outer frame is fixedly connected with the inner wall of the test box body, and the inner wall of the particle filtering outer frame is sequentially and fixedly connected with a primary filter screen and a secondary filter screen.

(III) advantageous effects

The utility model provides a scientific test box for middle school. The method has the following beneficial effects:

(1) this middle school scientific test case, inner wall fixedly connected with insulating layer through experimental box, the manual telescopic link of inner wall one side fixedly connected with of experimental box, the working end fixedly connected with clip of manual telescopic link, the inner wall of experimental box and with the corresponding one side fixedly connected with point firearm of clip, surface one side of experimental box is rotated and is connected with the chamber door, the surperficial central point of chamber door puts and is provided with the observation window, the effect of automatic combustion has been reached, and is rational in infrastructure simple, operation convenient to use, the auto-combustion function has, do not need handheld burning, avoid scalding and the condition of dazzling, the potential safety hazard is reduced, the efficiency of giving lessons is improved.

(2) This middle school scientific test case, the surface through the flue gas filtration frame and the inner wall fixed connection of experimental box, the inner wall of flue gas filtration frame fixedly connected with active carbon filter screen in proper order, graphite alkene filter screen and sodium alginate filter screen, the surface of granule filtration frame and the inner wall fixed connection of experimental box, the inner wall of granule filtration frame is primary filter screen of fixedly connected with in proper order, secondary filter screen, flue gas purification's effect has been reached, and is rational in infrastructure simple, high durability and convenient use, the flue gas purification function has, the emission of dust and poisonous and harmful gas has been reduced, atmospheric pollution has been reduced, and service performance is improved.

Drawings

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

FIG. 2 is a schematic view of the appearance structure of the present invention;

FIG. 3 is a schematic view of a flue gas filtering device;

fig. 4 is a schematic view of a particle filtering apparatus.

In the figure: 1 experimental box body, 2 insulating layers, 3 manual telescopic rods, 4 clamps, 5 igniters, 6 flue gas filtering devices, 601 flue gas filtering outer frames, 602 activated carbon filtering screens, 603 graphene filtering screens, 604 sodium alginate filtering screens, 7 particle filtering devices, 701 particle filtering outer frames, 702 primary filtering screens, 703 secondary filtering screens, 8 box doors, 9 observation windows, 10 locking screws, 11 smoke pipes, 12 chassis and 13 bases.

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. 1-4, the present invention provides a technical solution: a scientific test box for middle school comprises a test box body 1, a heat insulation layer 2 is fixedly connected to the inner wall of the test box body 1, the heat insulation layer 2 has a heat insulation effect and avoids scalding, a manual telescopic rod 3 is fixedly connected to one side of the inner wall of the test box body 1, a clamp 4 is fixedly connected to the working end of the manual telescopic rod 3, an igniter 5 is fixedly connected to the inner wall of the test box body 1 and one side corresponding to the clamp 4, a flue gas filtering device 6 is fixedly connected between two corresponding sides of the inner wall of the test box body 1 and close to the top of the inner wall of the test box body 1, the flue gas filtering device 6 comprises a flue gas filtering outer frame 601, the surface of the flue gas filtering outer frame 601 is fixedly connected with the inner wall of the test box body 1, an activated carbon filter screen 602, a graphene filter screen 603 and a sodium alginate filter screen 604 are sequentially and fixedly connected with the inner wall of the flue gas, purifying the smoke, fixedly connecting a particle filtering device 7 between two corresponding sides of the inner wall of the test box body 1 and at a position close to the smoke filtering device 6, wherein the particle filtering device 7 comprises a particle filtering outer frame 701, the surface of the particle filtering outer frame 701 is fixedly connected with the inner wall of the test box body 1, the inner wall of the particle filtering outer frame 701 is sequentially and fixedly connected with a primary filter screen 702 and a secondary filter screen 703, the primary filter screen 702 filters large particle dust in the smoke, the secondary filter screen 703 filters particles in the smoke, one side of the surface of the test box body 1 is rotatably connected with a box door 8, an observation window 9 is arranged at the central position of the surface of the box door 8, the observation window 9 is convenient to observe, one side of the top of the manual telescopic rod 3 is in threaded connection with a locking screw 10, one side of the top of the manual telescopic rod 3 is provided with, the central position of the bottom of the inner wall of the test box body 1 is connected with a chassis 12 in a matching way, the chassis 12 can contain ash slag after a sample is burnt, and two corresponding sides of the bottom of the test box body 1 are fixedly connected with bases 13.

When the device is used, a sample to be burnt is firstly clamped by the clamp 4, the length of the manual telescopic rod 3 is manually adjusted at the moment, one end of the sample is positioned at the position of the igniter 5, the box door 8 is closed at the moment, the igniter 5 is simultaneously opened to ignite the sample, when the sample is burnt, the igniter 5 is closed, the observation window 9 can be used for observation at the moment, smoke gas rises in the burning process, when the sample passes through the particle filtering device 7, the primary filter screen 702 filters large particle dust in the smoke gas, the secondary filter screen 703 filters fine particles in the smoke gas to continuously rise, when the sample passes through the smoke gas filtering device 6, the activated carbon filter screen 602, the graphene filter screen 603 and the sodium alginate filter screen 604 can adsorb toxic and harmful gas in the burning smoke gas to purify the smoke gas, the purified smoke gas is discharged through the smoke pipe 11, and ash slag generated after the sample is burnt at the, is convenient to clean.

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 middle school science proof box, includes experimental box (1), its characterized in that: the inner wall of the test box body (1) is fixedly connected with a heat insulation layer (2), one side of the inner wall of the test box body (1) is fixedly connected with a manual telescopic rod (3), the working end of the manual telescopic rod (3) is fixedly connected with a clamp (4), one side of the inner wall of the test box body (1) corresponding to the clamp (4) is fixedly connected with an igniter (5), a flue gas filtering device (6) is fixedly connected between the two corresponding sides of the inner wall of the test box body (1) and close to the top of the inner wall of the test box body (1), a particle filtering device (7) is fixedly connected between the two corresponding sides of the inner wall of the test box body (1) and close to the smoke filtering device (6), one side of the surface of the test box body (1) is rotatably connected with a box door (8), an observation window (9) is arranged in the center of the surface of the box door (8).

2. A scientific experimental box for middle school according to claim 1, characterized in that: one side of the top of the manual telescopic rod (3) is in threaded connection with a locking screw (10), and one side of the top of the manual telescopic rod (3) is provided with a threaded hole matched with the locking screw (10).

3. A scientific experimental box for middle school according to claim 1, characterized in that: the testing device is characterized in that the top center of the testing box body (1) is communicated with a smoke pipe (11), the center of the bottom of the inner wall of the testing box body (1) is connected with a chassis (12) in a matching mode, and two corresponding sides of the bottom of the testing box body (1) are fixedly connected with bases (13).

4. A scientific experimental box for middle school according to claim 1, characterized in that: flue gas filter equipment (6) are including flue gas filtration frame (601), the surface of flue gas filtration frame (601) and the inner wall fixed connection of experimental box (1), the inner wall of flue gas filtration frame (601) fixedly connected with active carbon filter screen (602), graphite alkene filter screen (603) and sodium alginate filter screen (604) in proper order.

5. A scientific experimental box for middle school according to claim 1, characterized in that: the particle filtering device (7) comprises a particle filtering outer frame (701), the surface of the particle filtering outer frame (701) is fixedly connected with the inner wall of the test box body (1), and the inner wall of the particle filtering outer frame (701) is sequentially and fixedly connected with a primary filter screen (702) and a secondary filter screen (703).