Laboratory ventilation equipment with adjustable inlet and outlet air volume

Abstract

The utility model discloses laboratory ventilation equipment with adjustable inlet and outlet air volume, and relates to the technical field of air volume adjustment. The device comprises a bearing plate and a connecting block, the connecting block is fixedly connected to the top of the bearing plate, an air volume adjusting device is arranged on the side face of the connecting block, the air volume adjusting device comprises a motor, the motor is fixedly connected to the side face of the connecting block, and an output shaft of the motor is fixedly connected with a rotating shaft. A first rotating disc is fixedly connected to the circumferential face of the rotating shaft, and a first connecting rod is fixedly connected to the side face of the first rotating disc. The rotating shaft, the first rotating disc, the first connecting rod, the connecting plate, the second connecting rod and other assemblies are driven to be matched with one another through driving force of the motor, the rotating shaft fixed to an output shaft of the motor rotates clockwise, and therefore the first rotating disc fixed to the circumferential face of the rotating shaft rotates clockwise; and the problem that the size of wind is not easy to adjust is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of air volume regulation, in particular to a laboratory ventilation device with adjustable inlet and outlet air volumes. Background Art

[0002] The technology of regulating the inlet and outlet air volume of laboratory ventilation equipment involves many aspects, the purpose is to ensure the air quality in the laboratory and meet the ventilation needs under different experimental conditions. The use of air volume control technology can ensure that the inlet and outlet air volume of laboratory ventilation equipment is adjustable. This may include air volume regulating valves, fan speed regulators and other devices. By adjusting the opening or speed of these devices, precise control of air volume can be achieved. Sensors are used to monitor parameters such as air quality, temperature and humidity in the laboratory. By integrating sensors in ventilation equipment, environmental conditions can be monitored in real time, and air volume can be automatically adjusted as needed to maintain a good laboratory environment. With the help of feedback control systems, ventilation equipment can adjust air volume in real time based on information provided by sensors.

[0003] According to the disclosure of a laboratory ventilation device with adjustable inlet and outlet air volumes (publication number: CN 117259375A), a cover body and an air duct are arranged on the top of the cover body, the outer surface of the air duct is fixedly connected to the inner wall of the cover body, the end of the air duct away from the cover body is fixedly connected to a telescopic tube, the end of the telescopic tube away from the air duct is fixedly connected to an air pump, the end of the air pump away from the telescopic tube is fixedly connected to an air inlet pipe, the end of the air inlet pipe away from the air pump is fixedly connected to an air guide box, and the end of the air guide box away from the air inlet pipe is fixedly connected to a serpentine tube. During operation, the air volume cannot be adjusted, which needs to be improved. Utility Model Content

[0004] The utility model aims to provide a laboratory ventilation device with adjustable inlet and outlet air volumes. The driving force of the motor drives the components such as the rotating shaft, the rotating disk 1, the connecting rod 1, the connecting plate, and the connecting rod 2 to cooperate with each other, so that the rotating shaft fixed on the output shaft of the motor rotates clockwise, thereby making the rotating disk 1 fixed on the circumferential surface of the rotating shaft rotate clockwise. When the rotating disk 1 rotates clockwise, the existing problem is solved.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a laboratory ventilation device with adjustable inlet and outlet air volumes, comprising a receiving plate and a connecting block, wherein the connecting block is fixedly connected to the top of the receiving plate, an air volume regulating device is arranged on the side of the connecting block, and the air volume regulating device comprises a motor, wherein the motor is fixedly connected to the side of the connecting block, the output shaft of the motor is fixedly connected to a rotating shaft, the circumferential surface of the rotating shaft is fixedly connected to a turntable 1, the side of the turntable 1 is fixedly connected to a connecting rod 1, the end of the connecting rod 1 away from the turntable 1 is rotatably connected to the connecting plate, the side of the connecting plate is rotatably connected to a connecting rod 2, the end of the connecting rod 2 away from the connecting plate is fixedly connected to a turntable 2, the side of the turntable 2 is fixedly connected to a rotating rod, and the circumferential surface of the rotating rod is fixedly connected to an adjusting blade.

[0007] Furthermore, a ventilation pipe is provided on the side of the connecting block away from the air volume regulating device, a ventilation device is provided at one end of the ventilation pipe, a filtering device is provided at the end of the ventilation pipe away from the ventilation device, and a filter plate is provided on the side of the ventilation device. The design of the filter plate is conducive to filtering dust in the wind.

[0008] Furthermore, the rotating rod is fixedly passed through the circumferential surface of the ventilation pipe, and the adjusting blade is in contact with the inner wall of the ventilation pipe. The design of the adjusting blade is conducive to adjusting the size of the wind.

[0009] Furthermore, the diameter of the turntable 1 is the same as the diameter of the turntable 2, and the motor is started by an external power supply. The design that the diameter of the turntable 1 is the same as the diameter of the turntable 2 is conducive to the same rotation distance.

[0010] Furthermore, the number of the connecting blocks is set to two, the length of the connecting block is set to fifty centimeters, and the design of setting the number of the connecting blocks to two is conducive to stabilizing the ventilation pipe.

[0011] Furthermore, the motor is configured as a three-phase asynchronous motor, and the motor is located on the left side of the circumferential surface of the ventilation pipe. The design of the motor being configured as a three-phase asynchronous motor is conducive to adjusting the angle of the blades.

[0012] The utility model has the following beneficial effects:

[0013] 1. The utility model drives the components such as the rotating shaft, the rotating disk 1, the connecting rod 1, the connecting plate, and the connecting rod 2 to cooperate with each other through the driving force of the motor, so that the rotating shaft fixed on the output shaft of the motor rotates clockwise, thereby making the rotating disk 1 fixed on the circumferential surface of the rotating shaft rotate clockwise. When the rotating disk 1 rotates clockwise, the purpose of avoiding the difficulty in adjusting the size of the wind during the ventilation process is avoided.

[0014] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 It is a three-dimensional appearance schematic diagram of the utility model;

[0017] Figure 2 It is a half-section three-dimensional structural schematic diagram of the ventilation pipe of the utility model;

[0018] Figure 3 It is a three-dimensional structural schematic diagram of the air volume regulating device of the utility model;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the motor of the utility model.

[0020] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0021] 1. Socket plate; 2. Connecting block; 3. Ventilation device; 4. Filter plate; 5. Filter device; 6. Ventilation pipe; 7. Air volume adjustment device; 71. Motor; 72. Rotating shaft; 73. Turntable 1; 74. Connecting rod 1; 75. Connecting plate; 76. Connecting rod 2; 77. Turntable 2; 78. Rotating rod; 79. Adjusting blades. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4The utility model is a laboratory ventilation device with adjustable inlet and outlet air volumes, comprising a receiving plate 1 and a connecting block 2, the connecting block 2 being fixedly connected to the top of the receiving plate 1, an air volume regulating device 7 being arranged on the side of the connecting block 2, the air volume regulating device 7 comprising a motor 71, the motor 71 being fixedly connected to the side of the connecting block 2, the output shaft of the motor 71 being fixedly connected to a rotating shaft 72, the circumferential surface of the rotating shaft 72 being fixedly connected to a turntable 1 73, the side of the turntable 1 73 being fixedly connected to a connecting rod 1 74, the end of the connecting rod 1 74 away from the turntable 1 73 being rotatably connected to a connecting plate 75, the side of the connecting plate 75 being rotatably connected to a connecting rod 2 76, the end of the connecting rod 2 76 away from the connecting plate 75 being fixedly connected to a turntable 2 77, the side of the turntable 2 77 being fixedly connected to a rotating rod 78, and the circumferential surface of the rotating rod 78 being fixedly connected to an adjusting blade 79.

[0024] A ventilation pipe 6 is arranged on the side of the connecting block 2 away from the air volume regulating device 7, a ventilation device 3 is arranged at one end of the ventilation pipe 6, a filter device 5 is arranged at the end of the ventilation pipe 6 away from the ventilation device 3, and a filter plate 4 is arranged on the side of the ventilation device 3. The design of the filter plate 4 is conducive to filtering dust in the wind.

[0025] The rotating rod 78 is fixedly passed through the circumferential surface of the ventilation pipe 6, and the adjusting blade 79 is in contact with the inner wall of the ventilation pipe 6. The design of the adjusting blade 79 is conducive to adjusting the size of the wind.

[0026] The diameter of the turntable 1 73 is the same as the diameter of the turntable 2 77. The motor 71 is started by an external power supply. The design that the diameter of the turntable 1 73 is the same as the diameter of the turntable 2 77 is conducive to the same rotation distance.

[0027] The number of the connecting blocks 2 is set to two, the length of the connecting blocks 2 is set to fifty centimeters, and the design of setting the number of the connecting blocks 2 to two is conducive to stabilizing the ventilation pipe 6.

[0028] The motor 71 is configured as a three-phase asynchronous motor. The motor 71 is located on the left side of the circumferential surface of the ventilation pipe 6 . The design of the motor 71 being configured as a three-phase asynchronous motor is conducive to adjusting the angle of the blade 79 .

[0029] A specific application of this embodiment is as follows: first, the staff starts the motor 71 fixed on the side of the connecting block 2. When the output shaft rotates clockwise, the rotating shaft 72 fixed on the output shaft of the motor 71 is driven to rotate clockwise, thereby causing the turntable 1 73 fixed on the circumferential surface of the rotating shaft 72 to rotate clockwise. When the turntable 1 73 rotates clockwise, the connecting rod 1 74 fixed on the side of the turntable 1 73 rotates clockwise, thereby causing the connecting plate 75 rotating on one end of the connecting rod 1 74 to make an arc motion. When the connecting plate 75 makes an arc motion, it drives the connecting rod 2 76 rotating on the side of the connecting plate 75 to rotate clockwise, thereby causing the turntable 2 77 fixed on one end of the connecting rod 2 76 to rotate clockwise. When the turntable 2 77 rotates clockwise, the rotating rod 78 fixed on the side of the turntable 2 77 rotates clockwise, thereby causing the rotating rod 78 fixed on the rotating rod The regulating blade 79 on the circumferential surface of 78 rotates clockwise, thereby achieving the adjustment of the air volume. When the output shaft rotates counterclockwise, it drives the rotating shaft 72 fixed on the output shaft of the motor 71 to rotate counterclockwise, thereby causing the turntable 1 73 fixed on the circumferential surface of the rotating shaft 72 to rotate counterclockwise. When the turntable 1 73 rotates counterclockwise, the connecting rod 1 74 fixed on the side of the turntable 1 73 rotates counterclockwise, thereby causing the connecting plate 75 rotating on one end of the connecting rod 1 74 to make an arc motion. When the connecting plate 75 makes an arc motion, it drives the connecting rod 2 76 rotating on the side of the connecting plate 75 to rotate counterclockwise, thereby causing the turntable 2 77 fixed on one end of the connecting rod 2 76 to rotate counterclockwise. When the turntable 2 77 rotates counterclockwise, the rotating rod 78 fixed on the side of the turntable 2 77 rotates counterclockwise, thereby causing the regulating blade 79 to be in a closed state.

[0030] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0031] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A laboratory ventilation device with adjustable inlet and outlet air volumes, comprising a receiving plate (1) and a connecting block (2), characterized in that: The connecting block (2) is fixedly connected to the top of the receiving plate (1), and an air volume regulating device (7) is provided on the side of the connecting block (2); The air volume regulating device (7) comprises a motor (71), wherein the motor (71) is fixedly connected to the side of the connecting block (2), the output shaft of the motor (71) is fixedly connected to a rotating shaft (72), the circumferential surface of the rotating shaft (72) is fixedly connected to a turntable (73), the side of the turntable (73) is fixedly connected to a connecting rod (74), the end of the connecting rod (74) away from the turntable (73) is rotatably connected to a connecting plate (75), the side of the connecting plate (75) is rotatably connected to a connecting rod (76), the end of the connecting rod (76) away from the connecting plate (75) is fixedly connected to a turntable (77), the side of the turntable (77) is fixedly connected to a rotating rod (78), and the circumferential surface of the rotating rod (78) is fixedly connected to an adjusting blade (79).

2. A laboratory ventilation device with adjustable inlet and outlet air volumes according to claim 1, characterized in that: A ventilation pipe (6) is provided on the side of the connection block (2) away from the air volume regulating device (7), a ventilation device (3) is provided at one end of the ventilation pipe (6), a filter device (5) is provided at the end of the ventilation pipe (6) away from the ventilation device (3), and a filter plate (4) is provided on the side of the ventilation device (3).

3. A laboratory ventilation device with adjustable inlet and outlet air volume according to claim 2, characterized in that: The rotating rod (78) is fixedly connected to the circumferential surface of the ventilation pipe (6), and the regulating blade (79) is in contact with the inner wall of the ventilation pipe (6).

4. A laboratory ventilation device with adjustable inlet and outlet air volume according to claim 3, characterized in that: The diameter of the first rotating disk (73) is the same as the diameter of the second rotating disk (77), and the motor (71) is started by an external power supply.

5. The laboratory ventilation equipment with adjustable inlet and outlet air volume according to claim 4, characterized in that: The number of the connecting blocks (2) is set to two, and the length of the connecting block (2) is set to fifty centimeters.

6. The laboratory ventilation equipment with adjustable inlet and outlet air volume according to claim 5, characterized in that: The motor (71) is configured as a three-phase asynchronous motor, and the motor (71) is located on the left side of the circumferential surface of the ventilation pipe (6).

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