CN209918534U

CN209918534U - Movable laboratory is with draft hood

Info

Publication number: CN209918534U
Application number: CN201920319119.3U
Authority: CN
Inventors: 丁红叶; 郭骏; 方圆; 周佳佳
Original assignee: JIANGSU KANGDA TESTING TECHNOLOGY Co Ltd
Current assignee: JIANGSU KANGDA TESTING TECHNOLOGY Co Ltd
Priority date: 2019-03-14
Filing date: 2019-03-14
Publication date: 2020-01-10
Anticipated expiration: 2029-03-14

Abstract

The utility model discloses a movable laboratory ventilation hood, which comprises a connecting pipe body, a corrugated hose and a hood body; the corrugated hose is arranged in the connecting pipe body and connected with the cover body; the connecting pipe body comprises a tail end connecting pipe, a middle connecting pipe, a front end connecting pipe and a movable joint; movable joints are arranged between the tail end connecting pipe and the middle connecting pipe, between the adjacent middle connecting pipes and between the middle connecting pipe and the front end connecting pipe; the cover body is the square cone structure, including many crest lines connecting rod and the nylon top facing that connect gradually that set up along the cover body crest line. The utility model discloses can freely adjust the position and the orientation of the cover body, adjustability and flexibility are good, convenient to use, and the opening size of the cover body can freely be adjusted simultaneously, can guarantee convulsions exhaust effect, can avoid bulky again, blocks normal experiment operation, excellent in use effect.

Description

Movable laboratory is with draft hood

Technical Field

The utility model relates to an experimental apparatus field, in particular to movable laboratory is with draft hood.

Background

In the chemistry experiment room, produce various harmful gas, foul smell, moisture and easily fire, explosive, corrosive substance during experimental operation, in order to protect user's safety, prevent that the pollutant in the experiment from bleeding to the laboratory, adopt the draft hood to bleed usually, in time discharge after purifying harmful gas. The ventilation hood that current laboratory used adopts fixed structure more, can't adjust the position of ventilation hood, and the cover body size of ventilation hood is fixed simultaneously, and the flexibility is poor, and the cover body is relative less when using, can't play good convulsions exhaust effect, and the cover body is relative great when using, easily disturbs normal experiment operation.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides a movable laboratory is with draft hood adopts the connection body structure and the adjustable cover body structure of flexibility, has solved current laboratory is with draft hood and has adopted fixed structure more, can't adjust the position of draft hood, and the cover body size of draft hood is fixed simultaneously, and it is poor to have the flexibility, and the cover body is relatively less when using, can't play good convulsions exhaust effect, and the cover body is relatively great when using, easily disturbs the problem of normal experiment operation.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: a movable laboratory ventilation hood comprises a connecting pipe body, a corrugated hose and a hood body; the corrugated hose is arranged in the connecting pipe body and is connected with the cover body; the connecting pipe body comprises a tail end connecting pipe, a middle connecting pipe, a front end connecting pipe and a movable joint; one end of the tail end connecting pipe is connected with an external air extraction and purification device, and the other end of the tail end connecting pipe is connected with the middle connecting pipe; one end of the front end connecting pipe is connected with the middle connecting pipe, and the other end of the front end connecting pipe is provided with the cover body for connection; at least one middle connecting pipe is arranged, and the middle connecting pipes are sequentially connected in series; the movable joints are arranged between the tail end connecting pipe and the middle connecting pipe, between the adjacent middle connecting pipes and between the middle connecting pipe and the front end connecting pipe; the movable joint comprises two middle joint pipes which are connected in the axial direction, and the two middle joint pipes are movably coupled and rotate relatively; the tail end connecting pipe, the middle connecting pipe and the front end connecting pipe are respectively connected with the side wall of one middle section pipe; the cover body is of a square conical structure and comprises a plurality of ridge connecting rods and a nylon cover surface which are arranged along ridges of the cover body and are sequentially connected; the nylon cover surface is covered outside the cover body; each ridge connecting rod is the same in length, and the ridge connecting rods arranged along the same ridge of the cover body are hinged to each other.

As a preferred scheme of the utility model, be provided with 3-8 on every crest line of the cover body the crest line connecting rod.

As a preferred scheme of the utility model, a cross bar is connected between the adjacent ridges of the cover body; the cross bar is parallel to the bottom edge of the cover body; the cross rod is connected with the hinged position of the edge line connecting rod between two adjacent edge lines of the cover body.

As an optimized proposal of the utility model, the inner side of the nylon cover surface is compounded with a plastic film.

As an optimized proposal of the utility model, a metal shaping hose is arranged between the front end connecting pipe and the cover body.

As a preferred scheme of the utility model, the corrugated hose is corrosion-resistant plastic tubing.

As an optimized scheme of the utility model, the intermediate junction pipe is two.

Through the technical scheme, the utility model discloses technical scheme's beneficial effect is: the utility model discloses rational in infrastructure, adopt movable connecting tube body structure, inside through the bellows intercommunication cover body, can freely adjust the position and the orientation of the cover body, the adjustability is good with the flexibility, convenient to use, the opening size of the cover body can freely be adjusted simultaneously, through rotating the crest line connecting rod, overturns the part cover body, can guarantee convulsions exhaust effect, can avoid bulky again, blocks normal experiment operation, excellent in use effect.

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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the movable joint of the present invention.

Fig. 3 is a schematic structural diagram of the cover body of the present invention.

The corresponding part names indicated by the numbers and letters in the drawings:

1. end connecting pipe 2, middle connecting pipe 3, front end connecting pipe

4. Movable joint 5, cover 6, middle joint pipe

7. Nylon mat coat 8, ridge connecting rod 9, horizontal pole.

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 efforts belong to the protection scope of the present invention.

Examples

Combine fig. 1 to fig. 3, the utility model discloses a movable laboratory is with draft hood for laboratory convulsions exhaust, including connecting tube body, bellows and the cover body 5. The corrugated hose is arranged in the connecting pipe body and is connected with the cover body 5. Preferably, the corrugated hose is a corrosion resistant plastic pipe. The connecting pipe body comprises a tail end connecting pipe 1, a middle connecting pipe 2, a front end connecting pipe 3 and a movable joint 4. The connecting pipe body is formed by connecting a tail end connecting pipe 1, a middle connecting pipe 2 and a front end connecting pipe 3 in series. Movable joints 4 are installed between the end connection pipe 1 and the intermediate connection pipe 2, between the adjacent intermediate connection pipes 2, and between the intermediate connection pipe 2 and the front end connection pipe 3. Specifically, one end of the tail end connecting pipe 1 is connected with an external air extraction and purification device, and the other end is connected with the middle connecting pipe 2; one end of the front end connecting pipe 3 is connected with the middle connecting pipe 2, and the other end is provided with a cover body 5 for connection. At least one intermediate connecting pipe 2 is arranged, and the intermediate connecting pipes 2 are sequentially connected in series. While ensuring flexibility, it is preferable to avoid the structure being excessively complex, and the number of the intermediate connection pipes 2 is two. Referring to fig. 2, the movable joint 4 includes two axially connected middle joints 6, and the two middle joints 6 are movably coupled to rotate relatively. The end connecting pipe 1, the middle connecting pipe 2 and the front end connecting pipe 3 are respectively connected with the side wall of a middle joint pipe 6. With reference to fig. 1 and 3, the cover 5 has a square cone structure and includes a plurality of ridge connecting rods 8 and a nylon cover 7, which are sequentially connected and arranged along the ridge of the cover 5. The nylon cover surface 7 covers the cover body 5. Every crest line connecting rod 8 length is the same, and the crest line connecting rod 8 who arranges along the same crest line of the cover body 5 is articulated between adjacent. Specifically, each ridge of the cover body 5 is provided with 3-8 ridge connecting rods 8. When the opening size of the cover body 5 needs to be adjusted, part of the cover body 5 is turned outwards by rotating the ridge connecting rod 8 around the hinged part, and particularly, the state is shown in fig. 3. To avoid solid particles and flying liquids from entering the bellows, an air filter may be provided at the rear end of the hood 5.

In order to improve the structural strength of the cover body 5, a cross bar 9 is connected between adjacent ridges of the cover body 5; the cross bar 9 is parallel to the bottom edge of the cover body 5; the cross bar 9 is connected with the hinged position of the edge line connecting rod 8 between two adjacent edge lines of the cover body 5.

In order to improve the corrosion resistance of the utility model, the cleaning is convenient, and a plastic film is compounded on the inner side of the nylon cover surface 7.

In order to further improve the flexibility of the utility model, a metal shaping hose is arranged between the front end connecting pipe 3 and the cover body 5.

Through the above-mentioned specific embodiment, the beneficial effects of the utility model are that: the utility model discloses rational in infrastructure, adopt movable connecting tube body structure, inside through the bellows intercommunication cover body 5, can freely adjust the position and the orientation of the cover body 5, adjustability and flexibility are good, convenient to use, the opening size of the cover body 5 can freely be adjusted simultaneously, through rotating crest line connecting rod 8, overturns partial cover body 5, can guarantee convulsions exhaust effect, can avoid the volume too big again, blocks normal experiment operation, excellent in use effect.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A movable laboratory ventilation hood is characterized by comprising a connecting pipe body, a corrugated hose and a hood body; the corrugated hose is arranged in the connecting pipe body and is connected with the cover body; the connecting pipe body comprises a tail end connecting pipe, a middle connecting pipe, a front end connecting pipe and a movable joint; one end of the tail end connecting pipe is connected with an external air extraction and purification device, and the other end of the tail end connecting pipe is connected with the middle connecting pipe; one end of the front end connecting pipe is connected with the middle connecting pipe, and the other end of the front end connecting pipe is provided with the cover body for connection; at least one middle connecting pipe is arranged, and the middle connecting pipes are sequentially connected in series; the movable joints are arranged between the tail end connecting pipe and the middle connecting pipe, between the adjacent middle connecting pipes and between the middle connecting pipe and the front end connecting pipe; the movable joint comprises two middle joint pipes which are connected in the axial direction, and the two middle joint pipes are movably coupled and rotate relatively; the tail end connecting pipe, the middle connecting pipe and the front end connecting pipe are respectively connected with the side wall of one middle section pipe; the cover body is of a square conical structure and comprises a plurality of ridge connecting rods and a nylon cover surface which are arranged along ridges of the cover body and are sequentially connected; the nylon cover surface is covered outside the cover body; each ridge connecting rod is the same in length, and the ridge connecting rods arranged along the same ridge of the cover body are hinged to each other.

2. The active laboratory draft hood according to claim 1, wherein 3 to 8 ridge connecting rods are provided on each ridge of the hood body.

3. The mobile laboratory hood according to claim 2, wherein a cross bar is connected between adjacent ridges of the hood body; the cross bar is parallel to the bottom edge of the cover body; the cross rod is connected with the hinged position of the edge line connecting rod between two adjacent edge lines of the cover body.

4. The mobile laboratory ventilation hood according to claim 3, wherein a plastic film is laminated on the inner side of the nylon cover.

5. The mobile laboratory ventilation hood according to claim 4, wherein a metal shaped hose is installed between the front end connection pipe and the hood body.

6. The mobile laboratory ventilation hood according to claim 5, wherein said corrugated hose is a corrosion resistant plastic tube.

7. The mobile laboratory ventilation hood according to claim 6, wherein said intermediate connecting pipes are two.