CN213644208U

CN213644208U - Test bed

Info

Publication number: CN213644208U
Application number: CN202022181016.0U
Authority: CN
Inventors: 易保财
Original assignee: Shanghai Zhenfu Laboratory Equipment Co ltd
Current assignee: Shanghai Zhenfu Laboratory Equipment Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-07-09
Anticipated expiration: 2030-09-28

Abstract

The application relates to a test bed, it includes the table body, is provided with the safety cover on the table body, is provided with exhaust cover and intake pipe on the safety cover, still articulates on the safety cover to be provided with at least one observation window, is provided with a plurality of experimental holes on the observation window, connects on a plurality of experimental holes to be provided with experimental gloves. The application can reduce the harm of toxic and harmful gas to the human body in the process of doing chemical experiments, and can play a good protection effect.

Description

Test bed

Technical Field

The application relates to the technical field of experiment tables, in particular to a test bed.

Background

Laboratory tables are commonly used for conducting experiments. The apparatus needed by the experiment is usually placed on the table top of the experiment.

Chinese utility model patent with publication number CN207996681U discloses a junior middle school chemistry test table, wherein a test bed is arranged on the upper side of the table body, a cleaning tank is arranged at the other end of the upper side of the test bed, a sewage outlet is arranged at the bottom of the cleaning tank, a faucet with a valve is arranged on the test bed at one side of the cleaning tank in a penetrating manner, a movable frame is arranged on the upper side of the test bed, a T-shaped chute is arranged at one side of the movable frame, a T-shaped sliding sleeve is sleeved on the outer side of the movable frame and is arranged in the T-shaped chute in a sliding manner, a suction fan is fixed on the T-shaped sliding sleeve, a purification cabinet is arranged at the other side of the inner part of the table body, a purification box is arranged at the inner side of the purification cabinet, a clamping seat is arranged at the bottom of the purification box, a flip is hinged on the upper side of, is suitable for the chemistry test of junior middle school.

To the correlation technique among the above-mentioned, the inventor thinks that the in-process of using the laboratory bench to do the chemical experiment can produce poisonous harmful gas at the in-process of mutual reaction some chemical reagents, if gas concentration is too high general gas collection induced draft device of laboratory bench top can't in time extract gas totally, will be inhaled by the human body, and then causes the harm to the human body.

SUMMERY OF THE UTILITY MODEL

In order to reduce the harm of toxic and harmful gas to the human body in the process of doing chemical experiment, this application provides a test bench.

The application provides a test bench adopts following technical scheme:

the utility model provides a test bed, includes the table body, be provided with the safety cover on the table body, be provided with exhaust cover and intake pipe on the safety cover, it is provided with at least one observation window still to articulate on the safety cover, be provided with a plurality of experimental holes on the observation window, it is a plurality of connect on the experimental hole and be provided with experimental gloves.

Through adopting above-mentioned technical scheme, when the use test bench, the safety cover on the table body can cover the table body and do the one side of experiment, plays good protection sealing effect, and the cover of bleeding on the safety cover can play the effect of convulsions to the safety cover, takes away all toxic gas in the experimentation, and the toxic gas of taking away can discharge to the air again after purification treatment in, and the intake pipe can let in the air in the experimentation, the inside atmospheric pressure of balanced safety cover. When the experiment is needed, the observation window can be opened, the relevant experiment appliances needed to be used can be placed on the table body in the protective cover in advance, the observation window is closed again, and in the experiment process, both hands pass through the experiment hole, so that the experiment gloves are directly worn for experiment operation. So set up in the experimentation that can produce poisonous and harmful gas, use this test bench operation, can effectively reduce poisonous and harmful gas's leakage, reduce the harm that causes the human body.

Optionally, a sealing ring is arranged on the peripheral side wall of the observation window.

Through adopting above-mentioned technical scheme, when using the test bench, the observation window can be opened when placing experimental apparatus and use, and at the in-process that closes, the leakproofness between observation window and the safety cover can be improved to the sealing washer on the observation window week lateral wall, reduces produced gas in the experimentation and leaks.

Optionally, the experimental glove is detachably arranged on the observation window.

Through adopting above-mentioned technical scheme, when the use test bench, experiment gloves are used for the actual operation of experiment, can dismantle the setting and can realize the periodic replacement to experiment gloves, reduce gloves and cause the injury to the finger because of breaking the reagent that makes the experimentation.

Optionally, the observation window is provided with an installation convex ring used for installing the experimental gloves on the periphery of the experimental hole, and the observation window is further hinged with an installation concave ring matched with the installation convex ring.

Through adopting above-mentioned technical scheme, when the use test bench, need regularly change experimental gloves, when installation experimental gloves, pass the installation bulge loop with experimental gloves, the end of inserting of experimental gloves is established to week side outside direction cover on the installation bulge loop, rotates the installation concave ring on the safety cover again, makes the installation concave ring lid on the installation bulge loop to fix gloves on the experimental hole, the operation is simple, the change of being convenient for.

Optionally, the experimental glove is provided in multiple layers.

Through adopting above-mentioned technical scheme, when the service test platform, in inserting the experiment gloves from the laboratory cave with the hand as operating personnel to carry out test operation's in the protective cover in-process, the experiment gloves set up to the multilayer, can prevent to take place the experiment gloves in the experimentation and break and lead to experimental gas leakage, and many experimental layer gloves can play the effect of reserve protection, improve the leakproofness of laboratory bench in the experiment operation process, and whole result of use is good.

Optionally, the protective cover is a transparent glass cover.

Through adopting above-mentioned technical scheme, when the use test bench, the safety cover sets up to transparent glass cover, can more conveniently observe the inside situation of safety cover from the external world, is favorable to the experiment operation.

Optionally, a containing frame is arranged on the table body and located in the protective cover.

Through adopting above-mentioned technical scheme, when the use test bench, the frame that holds on the table body can hold required utensil in the experimentation, is favorable to putting in order the experimental utensil, is convenient for take the experimental utensil in the experimentation simultaneously, is favorable to keeping the clean and tidy nature of the test bench table body to the overall operation of experiment.

Optionally, a cleaning pool is arranged on the table body and arranged in the protective cover.

Through adopting above-mentioned technical scheme, when the use test bench, the washing pond on the table body can be convenient for carry out instant washing to reagent bottle etc. according to the demand in the experimentation, makes experiment overall operation more convenient.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the test bed is used, the observation window can be opened in advance, equipment required by an experiment is placed in the protective cover, the observation window is closed, two hands are inserted into the experiment hole in the experiment process, the experiment gloves are directly worn for operation, harmful gas generated in the experiment process is not easy to leak out of the protective cover, the air exhaust cover and the air inlet pipe on the protective cover can ventilate the closed protective cover, and the harm to a human body caused by the fact that the toxic gas is sucked into the human body is effectively reduced;

2. when the test bed is used, the sealing ring on the peripheral side wall of the observation window can improve the sealing performance between the observation window and the protective cover. The multilayer experiment gloves play the effect of strengthening the protection, and the setting of dismantling of experiment gloves can realize the periodic replacement to experiment gloves, when the installation experiment gloves, passes the experimental hole with experiment gloves, and the end cover that inserts of experiment gloves is established on the installation bulge loop, covers the installation bulge loop on the installation bulge loop again to fix gloves on the experimental hole. Hold the frame and can hold required utensil in the experimentation, wash the pond and can be convenient for carry out instant washing to reagent bottle etc. in the experimentation.

Drawings

FIG. 1 is a schematic diagram of an overall structure of a test bed according to an embodiment of the present application;

fig. 2 is a schematic cross-sectional view of a test stand according to an embodiment of the present disclosure.

Description of reference numerals: 1. a table body; 2. a protective cover; 3. an air extraction hood; 31. an air inlet pipe; 4. an observation window; 5. an experimental well; 6. an experimental glove; 7. a seal ring; 8. installing a convex ring; 9. mounting a concave ring; 10. a containing rack; 11. and (5) cleaning the pool.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a test bench. Referring to fig. 1 and 2, the test bed comprises a table body 1 in a cuboid shape, a protective cover 2 in a cuboid shape is arranged on the table body 1, the protective cover 2 is a transparent glass cover, and the protective cover 2 is a glass cover and can be used for observing the situation inside the protective cover 2 from the outside more conveniently, so that the test bed is favorable for experimental operation. Be provided with exhaust cover 3 and intake pipe 31 on the safety cover, exhaust cover 3 mainly used does the exhaust effect to the gas that produces in the experiment, intake pipe 31 can let in nitrogen gas or air with this atmospheric pressure inside the safety cover 2 according to experiment demand selectivity in the experimentation, and be provided with filtering material such as active carbon and filter pulp in the intake pipe 31 in this embodiment, effectively prevent that the gas that the experiment produced from leaking away in the intake pipe 31 in the reverse direction, thereby play good protection effect to operating personnel.

Still articulated being provided with at least one observation window 4 that is the cuboid form on the safety cover 2, be provided with sealing washer 7 on 4 week lateral walls of observation window, sealing washer 7 on 4 week lateral walls of observation window can improve the leakproofness between observation window 4 and the safety cover 2, reduces the produced gas of experimental process and leaks. In this embodiment, the observation window 4 may be one, and the observation window may be rotatably attached to the protection cover 2 by a hinge. Be provided with on observation window 4 that a plurality of cross-sections are circular shape experimental holes 5, all install experimental gloves 6 on a plurality of experimental holes 5, elastic rubber gloves can be chooseed for use to experimental gloves 6 in this embodiment, can guarantee that both hands have sufficient operating space when experimental operation. In the process of using the test bed, a required appliance can be placed into the protective cover 2 through the observation window 4, two hands are inserted into the experimental gloves 6 which can be connected with the experimental hole 5 by themselves and can be inserted into the experimental holes 5, poisonous and harmful gas generated in the process of performing experimental operation in the protective cover 2 can be isolated by the protective cover 2, the gas generated in the experiment can be extracted by the exhaust cover 3 in the protective cover 2, a tail gas purification device (not shown in the figure) is connected to an exhaust pipe (not marked in the figure) connected with the exhaust cover 3, an exhaust fan (not shown in the figure) is arranged between the exhaust pipe and the exhaust pipe, the poisonous gas in the protective cover 2 is discharged into the tail gas purification device through the exhaust pipe by utilizing the exhaust principle of the exhaust fan, the extracted poisonous gas can be purified in the device and then discharged into the air, the pollution to the environment is reduced, and the tail gas purification device in the embodiment can be selected from EPM400F-M01 which is a science and technology The ILAB laboratory air purification apparatus of (1).

Preferably, the laboratory glove 6 is provided in multiple layers. In the in-process of using the test bench, if experiment gloves 6 break and produce and break, multilayer experiment gloves 6 can play reserve protective effect, be difficult for resulting in experimental gas leakage, improve the leakproofness of test bench in the experiment operation process.

In order to replace the experimental gloves 6 regularly, the experimental gloves 6 can be detachably arranged on the observation window 4. The detachable mode is as follows: the observation window 4 is provided with a mounting convex ring 8 used for mounting the experimental gloves 6 on the periphery of the experimental hole 5, and the observation window 4 is also hinged with a mounting concave ring 9 matched with the mounting convex ring 8. When changing experiment gloves 6, pass installation bulge loop 8 with experiment gloves 6, be open one end with experiment gloves 6 along week side outside cover on installation bulge loop 8, cover installation notch ring 9 on safety cover 2 on installation bulge loop 8 again, utilize experiment gloves 6 to increase the frictional force between installation notch ring 9 and the installation bulge loop 8 to the realization is to experiment gloves 6 fixed. In addition, the installation concave ring 9 is hinged on the protection cover 2, so that the installation convex ring 8 can be conveniently matched for use, a certain fixing effect is achieved on the installation concave ring 9, and the installation concave ring 9 is prevented from being lost.

The table body 1 is provided with a rectangular containing frame 10, the containing frame 10 can be arranged into a plurality of layers, and two layers are arranged in the embodiment. The containing frame 10 is located in the protective cover 2, the table body 1 is provided with a cleaning pool 11, and the cleaning pool 11 is arranged in the protective cover 2. When the test bed is used, experimental appliances to be used are placed on the containing frame 10, so that the appliances can be conveniently taken in the experimental process, the operation experiment is facilitated, and the integral neatness of the experiment is kept. And the cleaning pool 11 can clean the appliances in time in the experimental process, thereby reducing the influence of the experimental effect.

The implementation principle of the test bed in the embodiment of the application is as follows: when the test bed is used, the observation window 4 is opened by a wire, the equipment required by the experiment is placed in the protective cover 2, then the observation window 4 is closed, the sealing ring 7 on the peripheral side of the observation window 4 improves the air tightness of the protective cover 2, and the multilayer experiment gloves 6 can play a role in multilayer protection; insert experimental hole 5 with both hands when doing the experiment, wear experiment gloves 6 and operate, in the harmful gas that produces in the experimentation is difficult for inhaling the human body, the safety cover 2 that the cover 3 and intake pipe 31 of bleeding can be right carry out ventilation. When the experimental gloves 6 are mounted and dismounted, the gloves are more convenient to replace through the mutual matching of the mounting concave ring 9 and the mounting convex ring 8. Hold frame 10 and can hold required utensil in the experimentation, wash pond 11 and can be convenient for carry out instant washing to reagent bottle etc. in the experimentation, whole excellent in use effect.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A test bench, includes the table body (1), its characterized in that: be provided with safety cover (2) on the table body (1), be provided with exhaust cover (3) and intake pipe (31) on safety cover (2), it is provided with at least one observation window (4) still to articulate on safety cover (2), be provided with a plurality of experimental holes (5) on observation window (4), it is a plurality of the connection is provided with experimental gloves (6) on experimental hole (5).

2. A test stand according to claim 1, wherein: and a sealing ring (7) is arranged on the peripheral side wall of the observation window (4).

3. A test stand according to claim 1, wherein: the experimental gloves (6) are detachably arranged on the observation window (4).

4. A test stand according to claim 3, wherein: the observation window (4) is provided with an installation convex ring (8) used for installing an experiment glove (6) on the periphery of the experiment hole (5), and the observation window (4) is also hinged with an installation concave ring (9) matched with the installation convex ring (8).

5. A test stand according to claim 1, wherein: the experimental glove (6) is provided with a plurality of layers.

6. A test stand according to claim 1, wherein: the protective cover (2) is a transparent glass cover.

7. A test stand according to claim 1, wherein: the table is characterized in that a containing frame (10) is arranged on the table body (1), and the containing frame (10) is located in the protective cover (2).

8. A test stand according to claim 1, wherein: the table is characterized in that a cleaning pool (11) is arranged on the table body (1), and the cleaning pool (11) is arranged in the protective cover (2).