CN214916290U

CN214916290U - Chemical experiment table

Info

Publication number: CN214916290U
Application number: CN202120664258.7U
Authority: CN
Inventors: 黄晓林
Original assignee: Chongqing Medical and Pharmaceutical College
Current assignee: Chongqing Medical and Pharmaceutical College
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-11-30
Anticipated expiration: 2031-04-01

Abstract

The utility model belongs to the technical field of chemical experiment equipment, a chemical experiment table is provided, including the laboratory bench body, the one end of laboratory bench body is provided with washing tank and washing water pipe, still includes: the multichannel valve, the multichannel valve setting is in the bottom of washing tank and with the washing tank keeps sealed, the multichannel valve includes: the plug comprises a base plate, a first sleeve, a second sleeve, a bottom plate, a connecting sleeve, a plug body and a locking structure; and the waste water collecting boxes are arranged below the cleaning tank in parallel, and water inlets of the waste water collecting boxes are connected with the connecting sleeve through pipelines. The utility model provides a chemical experiment table need not to take out the cock body and does to open the passageway, accomplishes the classification to the chemical material.

Description

Chemical experiment table

Technical Field

The utility model relates to a chemistry experiment equipment technical field, concretely relates to chemistry experiment table.

Background

After a chemical experiment is completed, chemical materials remained in the experiment process are generally required to be poured, and vessels used in the experiment are cleaned and stored.

However, in the prior art, the cleaning tank disposed on the chemical laboratory bench is usually provided with only one drainage port, so that different experimental materials can be discharged from the drainage port, thereby causing a problem of cross reaction of the residual chemical materials in the drainage channel.

The utility model patent of grant bulletin No. CN994396U provides a chemical experiment platform, pass through bolted connection's test bench base including workstation and workstation bottom, bolted connection's washing main part is passed through to test bench base one end, a plurality of wastewater collection box have been placed, and are a plurality of to wash the inside bottom of main part wastewater collection box's upper end all closes soon and is connected with the water pipe, and is a plurality of water pipe one end all closes soon and is connected with the drainage import, and is a plurality of the equal block in upper surface of drainage import is connected with lid, and is a plurality of one side of lid all is connected with the triangle stopper through the stopper.

Although above-mentioned chemical laboratory bench can carry out categorised collection to the chemical material of empting, need take out the lid when using to can open the drainage import, this kind of mode is not only inconvenient, still has the risk of losing the lid.

SUMMERY OF THE UTILITY MODEL

To the defects in the prior art, the utility model aims at providing a chemical experiment table, which can be used for opening the channel without taking out the plug body.

In order to achieve the above object, the utility model provides a chemical experiment table, including the laboratory bench body, the one end of laboratory bench body is provided with washing tank and washing water pipe, still includes:

the multichannel valve, the multichannel valve setting is in the bottom of washing tank and with the washing tank keeps sealed, the multichannel valve includes:

the substrate is provided with a plurality of first through holes;

the inner diameter of the first sleeve is larger than that of the first through hole, the first sleeves are coaxially arranged with the first through holes respectively, and the top ends of the first sleeves are fixedly connected with the bottom of the base plate and keep sealed;

the inner diameter of the second sleeve is larger than that of the first through hole, the outer diameter of the second sleeve is smaller than that of the first sleeve, the first sleeves and the second sleeves are coaxially arranged, the top end of the second sleeve is separated from the bottom of the substrate by a certain distance, and the bottom end of the second sleeve is flush with the bottom end of the first sleeve;

the bottom plates are respectively arranged at the bottom ends of the first sleeves and fixedly connected with the bottom ends of the first sleeves and the second sleeves and keep sealed, a plurality of second through holes are formed in the bottom plates, and the second through holes are uniformly distributed around the axial lead of the first sleeve and are positioned between the inner wall of the first sleeve and the outer part of the second sleeve;

the inner diameter of the connecting sleeve is larger than or equal to that of the first sleeve, the connecting sleeves are coaxially arranged with the first sleeves respectively, and the top ends of the connecting sleeves are fixedly connected with the bottom of the bottom plate and keep sealed;

the outer diameter of the plug body is matched with the inner diameter of the second sleeve, the plug bodies are arranged in the second sleeves and are connected with the second sleeves in a sliding mode, the plug body is provided with two working positions, when the plug body is located at the first working position, the top of the plug body keeps sealed with the bottom of the base plate, and when the plug body is located at the second working position, the top of the plug body is separated from the bottom of the base plate by a certain distance; and

the locking structure is arranged on the second sleeve or/and the plug body and is used for keeping the plug body at a first working position and a second working position; and

the waste water collecting boxes are arranged below the cleaning tank in parallel, and water inlets of the waste water collecting boxes are connected with the connecting sleeve through pipelines.

Further, the locking structure includes:

a sliding portion provided on the plug body;

a guide groove provided on the first sleeve, the guide groove being heart-shaped, the guide groove including a slide-in and slide-out guide portion, a first guide portion, a temporary portion, and a second guide portion, the sliding portion sliding to the temporary portion along the slide-in and slide-out guide portion and the first guide portion and being temporarily positionable at the temporary portion, the sliding portion sliding along the second guide portion and the slide-in and slide-out guide portion after leaving the temporary portion; and

reset spring, reset spring sets up in the first sleeve, its both ends respectively with the bottom plate with the cock body is contradicted, and under the natural state, reset spring has the messenger the trend of cock body upward movement.

Further, the multichannel valve still includes the sealing ring, the internal diameter more than or equal to of sealing ring the internal diameter of first through-hole is a plurality of the sealing ring is coaxial setting respectively in a plurality of in the first sleeve, just the top of sealing ring with the bottom fixed connection of base plate.

Further, the outer diameter of the sealing ring is smaller than the outer diameter of the plug body.

Furthermore, a sealing groove is formed in the top of the plug body, and the sealing groove is matched with the sealing ring.

The utility model has the advantages that:

the utility model provides a chemical experiment table only needs can realize the switching at first operating position and second operating position to the cock body through suitably pressing down different cock bodies, need not to take out the cock body, can realize opening and closing to the passageway of difference to the realization is to the classification of chemical material.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a perspective view of a chemical laboratory bench according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the chemical laboratory bench shown in FIG. 1;

FIG. 3 is a perspective view of a multi-channel valve of the chemical laboratory bench shown in FIG. 1;

FIG. 4 is a cross-sectional view of the multi-channel valve shown in FIG. 3;

FIG. 5 is an enlarged view taken at A of FIG. 4;

FIG. 6 is a perspective view of a plug body of the multi-channel valve shown in FIG. 3;

fig. 7 is a cross-sectional view of the second sleeve of the multi-channel valve shown in fig. 3.

Reference numerals:

100-experiment table body, 200-cleaning tank, 300-cleaning water pipe, 400-multi-channel valve, 410-base plate, 411-first through hole, 420-first sleeve, 430-second sleeve, 440-bottom plate, 441-second through hole, 450-connecting sleeve, 460-plug body, 462-sealing groove, 470-locking structure, 471-sliding part, 472-guiding groove, 473-return spring, 480-sealing ring, 500-waste water collecting tank, 600-pipeline, 401-sliding in and out sliding guide part, 402-first guide part, 403-temporary part and 404-second guide part.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1-7, the utility model provides a chemical experiment table, including laboratory bench body 100, the one end of laboratory bench body 100 is provided with washing tank 200 and washing water pipe 300, still includes multichannel valve 400 and wastewater collection box 500.

Wherein, the multi-channel valve 400 is installed at the bottom of the cleaning tank 200 and keeps sealed with the cleaning tank 200. Specifically, the bottom of the cleaning tank 200 is opened with a mounting hole, and the multi-channel valve 400 is mounted at the mounting hole and maintains a seal with the cleaning tank 200.

The multi-channel valve 400 includes a base plate 410, a first sleeve 420, a second sleeve 430, a base plate 440, a connecting sleeve 450, a plug body 460, and a locking structure 470.

The substrate 410 is adapted to the mounting holes, the substrate 410 is fixedly mounted at the mounting holes and sealed with the mounting holes, and the substrate 410 is provided with a plurality of first through holes 411.

The inner diameter of the first sleeve 420 is greater than the inner diameter of the first through hole 411, the number of the first sleeve 420 is multiple and equal to the number of the first through holes 411, the first sleeve 420 and the first through holes 411 are in one-to-one correspondence, the multiple first sleeves 420 are coaxially arranged, and the top end of the first sleeve 420 is fixedly connected with the bottom of the substrate 410 and keeps sealed.

The internal diameter of second sleeve 430 is greater than the internal diameter of first through-hole 411, and the quantity of second sleeve 430 is a plurality ofly and equals and the one-to-one with the quantity of first through-hole 411, and the external diameter of second sleeve 430 is less than the internal diameter of first sleeve 420, and a plurality of first sleeves 420 and a plurality of second sleeve 430 are coaxial to be set up, and the top of second sleeve 430 and the bottom of base plate 410 separate a certain distance, and the bottom of second sleeve 430 is parallel and level with the bottom of first sleeve 420.

The number of the bottom plates 440 is a plurality and is equal to and one-to-one corresponding to the number of the first through holes 411, the bottom plates 440 are respectively installed at the bottom ends of the first sleeves 420 and are fixedly connected with the bottom ends of the first sleeves 420 and the second sleeves 430 and are kept sealed, a plurality of second through holes 441 are formed in the bottom plates 440, and the second through holes 441 are uniformly distributed around the axial line of the first sleeves 420 and are located between the inner walls of the first sleeves 420 and the outer portions of the second sleeves 430.

The inner diameter of the connection sleeve 450 is greater than or equal to that of the first sleeve, the number of the connection sleeves 450 is multiple and is equal to that of the first through holes 411, the connection sleeves 450 are in one-to-one correspondence, the connection sleeves 450 are respectively coaxially arranged with the first sleeves 420, and the top ends of the connection sleeves 450 are fixedly connected with the bottom of the bottom plate 440 and keep sealed.

The outer diameter of the plug body 460 is adapted to the inner diameter of the second sleeve 430, the plurality of plug bodies 460 are respectively installed in the plurality of second sleeve 430 and slidably connected with the second sleeve 430, and the plug body 460 has two working positions, when the plug body 460 is in the first working position, the top of the plug body 460 keeps sealed with the bottom of the base plate 410, and when the plug body 460 is in the second working position, the top of the plug body 460 is spaced apart from the bottom of the base plate 410.

Locking structures 470 are provided on the second sleeve 430 or/and the plug body 460 for maintaining the plug body 460 in the first and second operating positions.

The number of the waste water collection tanks 500 is plural and equal to the number of the first through holes 411 and corresponds one to one, the plural waste water collection tanks 500 are installed in parallel below the cleaning tank 200, and the water inlets of the plural waste water collection tanks 500 are connected with the connection sleeve 450 through the pipe 600.

When the cleaning tank is used, only one plug body 460 needs to be placed at the second working position, the channel can be opened, so that the solution in the cleaning tank 200 can enter the first sleeve 420 through the first through hole 411, then flow into the pipeline 600 from the second through hole 441, and finally flow into the wastewater collection tank 500 from the pipeline 600.

Thus, in use, only one of the plugs 460 needs to be placed in the second working position and the other plugs 460 need to be placed in the second working position, and so on to classify the chemical solution.

In one embodiment, the locking structure 470 includes a sliding portion 471, a guide groove 472, and a return spring 473.

Wherein the sliding portion 471 is disposed on a sidewall of the plug body 460. Preferably, the number of the sliding portions 471 is plural, and the number of the guide grooves 472 is equal to and corresponds to the number of the sliding portions 471.

The guide groove 472 is formed on the inner wall of the second sleeve 430, the guide groove 472 guides the sliding portion 471, and the guide groove 472 is formed in a heart shape. Specifically, the guide groove 472 includes the slide-in and slide-out guide 401, the first guide 402, the tentative section 403, and the second guide 404, and the slide-in and slide-out guide 401, the first guide 402, the tentative section 403, and the second guide 404 are sequentially connected end to form a heart shape. The sliding portion 471 slides along the slide-in and slide-out guide 401 and the first guide 402 to the tentative portion 403 and can be temporarily positioned at the tentative portion 403, during which the plug body 460 moves downward and is finally in the second working position. The sliding portion 471, after leaving the temporary portion 403, enters the slide-in and slide-out guide portion 401 along the second guide portion 404, and finally moves to the end of the slide-in and slide-out guide portion 401 away from the temporary portion 403 along with the slide-in and slide-out guide portion 401, in the process, the plug body 460 moves upward and is finally located at the first working position.

A return spring 473 and the return spring 473 are disposed in the first sleeve 420, and both ends of the return spring 473 respectively abut against the bottom plate 440 and the plug body 460, and naturally, the return spring 473 has a tendency to move the plug body 460 upward.

With the structure, the plug body 460 can be switched between the first working position and the second working position at will only by pressing the plug body 460 properly. The passageway may be opened without removing the plug body 460.

In one embodiment, the multi-channel valve 400 further includes a plurality of sealing rings 480, the inner diameter of each sealing ring 480 is greater than or equal to the inner diameter of the corresponding first through hole 411, the number of the sealing rings 480 is equal to that of the first sleeves 420, the sealing rings 480 are in one-to-one correspondence, the sealing rings 480 are coaxially installed in the first sleeves 420, and the top portions of the sealing rings 480 are fixedly connected to the bottom portion of the substrate 410.

Thus, when the plug body 460 is in the first working position, the top of the plug body 460 is pressed against the sealing ring 480, thereby forming a better seal between the plug body 460 and the base plate 410.

This structure helps to improve the sealing effect between the holding substrate 410 and the plug body 460.

In one embodiment, the outer diameter of the seal ring 480 is smaller than the outer diameter of the plug body 460.

In one embodiment, the top of the plug body 460 defines a sealing groove 462, and the sealing groove 462 is adapted to the sealing ring 480.

Thus, when the plug body 460 is in the first operating position, the sealing ring 480 is disposed in the sealing groove 462 and interferes with the bottom of the sealing groove 462, thereby improving the sealing effect.

The working principle of the utility model is as follows:

in use, all of the plug bodies 460 are initially in the first operating position. Then, one of the plugs 460 is pressed once, so that the plug 460 can be placed at the second working position, and the solution in the cleaning tank 200 can enter the first sleeve 420 through the first through hole 411, then flow into the pipeline 600 through the second through hole 441, and finally flow into the wastewater collection tank 500 through the pipeline 600.

The plug body 460 is then pressed once again to return the plug body 460 to the first working position. The other plug body 460 is then pressed once to place the other plug body 460 in the first operating position. The classification treatment of the solution can be completed by one analogy.

The utility model provides a chemical experiment table only needs can realize the switching at first operating position and second operating position to cock body 460 through suitably pressing down different cock bodies 460, need not to take out cock body 460, can realize opening and closing to the passageway of difference to the realization is to the classification of chemical material.

In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a chemical experiment table, includes the laboratory bench body, the one end of laboratory bench body is provided with washing tank and washing water pipe, its characterized in that: further comprising:

the substrate is provided with a plurality of first through holes;

2. The chemical laboratory bench of claim 1, wherein: the locking structure includes:

a sliding portion provided on the plug body;

3. A chemical laboratory table according to claim 1 or 2, characterized in that: the multichannel valve still includes the sealing ring, the internal diameter more than or equal to of sealing ring the internal diameter of first through-hole, it is a plurality of the sealing ring is coaxial setting respectively in a plurality of in the first sleeve, just the top of sealing ring with the bottom fixed connection of base plate.

4. A chemical laboratory bench according to claim 3, characterized in that: the outer diameter of the seal ring is smaller than the outer diameter of the plug body.

5. The chemical laboratory bench of claim 4 wherein: the top of cock body has seted up the seal groove, the seal groove with the sealing ring suits.