CN215965421U

CN215965421U - Numerical control ventilation device for laboratory

Info

Publication number: CN215965421U
Application number: CN202122673445.4U
Authority: CN
Inventors: 陈振峰; 曾庆帮; 邓月明
Original assignee: Guangzhou Panyu Polytechnic
Current assignee: Guangzhou Panyu Polytechnic
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-03-08
Anticipated expiration: 2031-11-03

Abstract

The utility model discloses a laboratory numerical control ventilation device, wherein a support plate is arranged at the upper part of an air box, an impeller is arranged at the lower part of the air box, the impeller is linked with a driver, and a ventilation groove is formed in the support plate.

Description

Numerical control ventilation device for laboratory

Technical Field

The utility model belongs to the technical field of laboratory ventilation, and particularly relates to a laboratory numerical control ventilation device.

Background

The fume hood mainly has an exhaust function, various harmful gases, odor, moisture and flammable, explosive and corrosive substances are generated in the experiment operation in a chemical laboratory, and the fume hood is used near a pollution source in order to protect the safety of a user and prevent the diffusion of the pollutants in the experiment to the laboratory.

The existing numerical control ventilation device for the laboratory has the following problems in the practical application process:

1. the existing numerical control ventilation device in the laboratory can not only generate various harmful gases, but also generate various harmful impurities, and if the harmful impurities are not discharged, the harmful gases can still be continuously generated.

2. The existing laboratory numerical control ventilation device cannot conveniently and rapidly carry out self-cleaning on the ventilation device in a laboratory in practical application, and further has use defects.

Therefore, the existing structure and the defects are researched and improved, and the laboratory numerical control ventilation device is provided, so that the aim of higher practical value is fulfilled.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a laboratory numerical control ventilation device, which aims to solve the problems that the existing laboratory numerical control ventilation device can not only generate various harmful gases but also generate various harmful impurities, if the harmful impurities are not discharged, toxic gases can be continuously generated, and the ventilation device of the laboratory cannot be conveniently and automatically cleaned, so that the use defect exists.

The purpose and the effect of the numerical control ventilation device in the laboratory are achieved by the following specific technical means: a laboratory numerical control ventilation device comprises an air box, wherein the inner cavity of the air box is conical; the upper part of the air box is provided with a support plate, the lower part of the air box is provided with an impeller, and the impeller is linked with a driver; the support carrier plate is provided with a vent groove.

Furthermore, the impeller is connected with the driver through a transmission shaft, the transmission shaft is in transmission connection with a gear assembly, the gear assembly is meshed with a transmission lifting assembly, and the lifting assembly is installed on the supporting plate.

Furthermore, a guide groove is formed in the side wall of the air box, and an elastic piece is arranged in the guide groove; the end face of the supporting plate extends to form a sliding block, the sliding block is clamped in the guide groove, and the sliding block is abutted by the elastic piece.

Further, the impeller is composed of six blades in an annular array.

Furthermore, the cross section of the supporting plate is of a triangular structure, and the supporting plate is provided with a drainage groove.

Further, the lifting assembly is a rack or a chain.

Further, the gear assembly is a pair of bevel gears that intermesh.

Further, an air sensor is mounted on the top surface of the air box.

Compared with the prior art, the utility model has the following beneficial effects:

1. owing to be provided with bearing mechanism, expose through the air sensor who will install in bellows top end face rear side central point and put and detect among the experimental environment, when air sensor detects the harmful substance in the air and exceeds standard, can drive the motor among the actuating mechanism through the controller to make the motor drive the impeller and carry out the operation of gettering harmful gas, this design has replaced traditional blowing to purify and can cause the condition appearance that harmful gas leaks.

2. The impeller is arranged, the gear assembly is further arranged on the outer side of the impeller, the gear assembly drives the rack to drive the supporting plate with the triangular section to move downwards through the meshing transmission between the lifting assemblies in the supporting mechanism, the supporting plate is reset upwards through the spring assembly, and then the jacking column mounted on the supporting plate impacts the air box, so that sundries are cleaned.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

Fig. 1 is a right side view of the structure of the present invention in a half-section state.

Fig. 2 is a left side view schematic diagram of the present invention in a half-section state.

Fig. 3 is a schematic bottom side view of the present invention in half section.

Fig. 4 is a schematic axial side view of the present invention in half section.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows: 1-a bearing mechanism, 101-an air box, 102-a support plate, 103-a sensor, 104-a vent groove and 105-a guide groove; 2-driving mechanism, 201-motor, 202-impeller, 203-gear assembly, 204-transmission shaft, 205-spur gear; 3-supporting mechanism, 301-supporting plate, 302-lifting component, 303-draining groove, 304-sliding block and 305-top column.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figures 1 to 4: the utility model provides a laboratory numerical control ventilation device which comprises a bearing mechanism 1, a driving mechanism 2 and a supporting mechanism 3, wherein the main body of the bearing mechanism 1 is designed to be in a frustum-shaped structure, the bearing mechanism 1 is designed to be in a structure with a thick upper part and a thin lower part (the upper part is wide and the lower part is narrow), and the driving mechanism 2 is further arranged inside the bearing mechanism 1.

Wherein, load bearing mechanism 1 includes: bellows 101 and carrier plate 102. The main body of the air box 101 is designed into a conical circular structure with a thick upper part and a thin lower part (a wide upper part and a narrow lower part), a guide groove 105 is formed in the inner part of a longitudinal member in the air box 101, an air sensor 103 is further installed at the central position of the rear side of the top end face of the air box 101, the air sensor installed at the central position of the rear side of the top end face of the air box 101 is exposed in a test environment for detection, when the air sensor detects that harmful substances in the air exceed the standard, a motor in a motor 201 in a driving mechanism 2 can be driven through a controller, an impeller 202 is driven through the motor to suck the harmful gases, and the design replaces the situation that the traditional blowing purification can cause the harmful gases to leak. The main body of the supporting plate 102 is designed to be a supporting plate structure, the inside of the supporting plate 102 is further provided with vent grooves 104 in a rectangular array, the length and width of the supporting plate 102 are consistent with those of the inside of the rectangular member of the bellows 101, and the bottom side of the supporting plate 102 is further provided with a driving mechanism 2.

Wherein, actuating mechanism 2 includes: a motor 201 as a drive, an impeller 202 and a gear assembly 203. The motor 201 is provided with a controller, and the motor 201 is positioned right below the air box 101. The main body of the impeller 202 is composed of a ventilating fan structure formed by six fan blades in an annular array, a transmission shaft is further installed at the inner center position of the impeller 202, the impeller 202 is installed at the top end position of the motor 201 through the transmission shaft, the gear assembly 203 drives the rack to drive the supporting plate 301 with the triangular cross section to move downwards through the transmission of meshing between the lifting assemblies 302 in the supporting mechanism 3, the supporting plate 301 is reset upwards through the spring assembly, and then the air box 101 is impacted through the jack posts installed on the supporting plate 301, so that sundries are cleaned. The main body of the gear assembly 203 is composed of a left bevel gear and a right bevel gear, wherein the bevel gear on the right side is sleeved on the outer side of the transmission shaft, and the left side of the gear assembly 203 is also provided with the lifting mechanism 3.

Wherein, the lifting mechanism 3 includes: a holding plate 301 and a lifting assembly 302. The cross section of the main body of the supporting plate 301 is designed into a triangular structure, the inside of the supporting plate 301 is provided with drain grooves 303 in a rectangular array, the left end face and the right end face of the supporting plate 301 are also provided with sliding blocks 304, and the bottom ends of the sliding blocks are also provided with spring assemblies 4. The main body of the lifting assembly 302 is a rack, the rack is installed at the bottom end face position of the supporting plate 301, a straight gear 205 is further meshed and driven at the front end of the rack in the lifting assembly 302, the straight gear 205 is installed at the left side position of the gear assembly 203, and the straight gear is coaxial with the gear assembly.

The specific use mode and function of the embodiment are as follows: when the device is used, firstly, the air box 101 in the bearing mechanism 1 is placed at the bottom end of the experiment cabinet, the air sensor arranged at the central position of the rear side of the top end face of the air box 101 is exposed in a test environment for detection, when the air sensor detects that harmful substances in the air exceed the standard, the air sensor drives the motor in the motor 201 in the driving mechanism 2 through the controller, the motor drives the impeller 202 to suck harmful gas, and the design replaces the situation that the traditional blowing purification can cause the harmful gas to leak; and the gear assembly 203 is also arranged outside the impeller 202, the gear assembly 203 drives the rack to drive the lifting plate 301 with the triangular section to move downwards through the meshing transmission between the lifting assemblies 302 in the lifting mechanism 3, and then the lifting plate 301 is reset upwards through the spring assembly, so that the jacking column 305 arranged on the lifting plate 301 impacts the bellows 101, and further the cleaning of sundries is completed.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a laboratory numerical control ventilation unit which characterized in that: comprises an air box, wherein the inner cavity of the air box is conical; the upper part of the air box is provided with a support plate, the lower part of the air box is provided with an impeller, and the impeller is linked with a driver; the support carrier plate is provided with a vent groove.

2. The laboratory numerically controlled ventilation device according to claim 1, wherein: the impeller is connected with the driver through a transmission shaft, the transmission shaft is in transmission connection with a gear assembly, the gear assembly is meshed with a transmission lifting assembly, and the lifting assembly is installed on the supporting plate.

3. The laboratory numerically controlled ventilation device according to claim 2, wherein: the side wall of the air box is provided with a guide groove, and an elastic piece is arranged in the guide groove; the end face of the supporting plate extends to form a sliding block, the sliding block is clamped in the guide groove, and the sliding block is abutted by the elastic piece.

4. The laboratory numerically controlled ventilation device according to claim 1, wherein: the impeller is composed of six blades in an annular array.

5. The laboratory numerically controlled ventilation device according to claim 2, wherein: the cross section of the supporting plate is of a triangular structure, and the supporting plate is provided with a drainage groove.

6. The laboratory numerically controlled ventilation device according to claim 2, wherein: the lifting component is a rack or a chain.

7. The laboratory numerically controlled ventilation device according to claim 2, wherein: the gear assembly is a pair of bevel gears which are meshed with each other.

8. The laboratory numerically controlled ventilation device according to claim 1, wherein: and an air sensor is arranged on the top surface of the air box.