A filter box

Abstract

The utility model discloses a filter box, including a square box body and a filter element located in the box body, the left and right sides of the box body are respectively provided with an air inlet and an air outlet, an upper mounting plate and a lower mounting plate are provided in the box body, an air duct connecting the air inlet and the air outlet is formed between the upper mounting plate and the lower mounting plate, an upper slot is provided on the lower end face of the upper mounting plate, a lower slot opposite to the upper slot is provided on the upper end face of the lower mounting plate, a socket is provided on the front side face of the box body, the filter element can be inserted from the socket to between the upper slot and the lower slot, and a detachable baffle is also provided on the front side of the socket. By adopting the above technical scheme, the filter box of the utility model can very conveniently insert the filter element through the socket between the upper mounting plate and the lower mounting plate, and it is also very convenient to disassemble, thereby realizing the rapid replacement of the filter element.

Description

Technical Field

[0001] The utility model relates to a filter box and belongs to the technical field of laboratory equipment. Background Art

[0002] A fume hood used in a laboratory is a device used to protect laboratory workers from exposure to harmful gases, steam and dust. The fume hood ensures the safety and cleanliness of the experimental environment by exhausting harmful substances from the operating area. At the same time, the air containing harmful substances needs to be filtered before being discharged into the atmosphere, which requires a filtering device to be installed on the fume hood, such as a fume hood disclosed in Chinese patent document CN211637668U. Fume hoods are frequently used in laboratories, and long-term use causes the filter element of the filter device to need to be replaced frequently. This requires the design of a new type of filtering device that can achieve multiple filtering while also facilitating the rapid replacement of the filter element. Utility Model Content

[0003] Therefore, the purpose of the present invention is to provide a filter box that can facilitate and quickly complete the replacement of the filter element.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a filter box, comprising a square box body and a filter element located in the box body, the left and right sides of the box body are respectively provided with an air inlet and an air outlet, an upper mounting plate and a lower mounting plate are provided in the box body, an air duct connecting the air inlet and the air outlet is formed between the upper mounting plate and the lower mounting plate, an upper slot is provided on the lower end surface of the upper mounting plate, and a lower slot opposite to the upper slot is provided on the upper end surface of the lower mounting plate, a socket is provided on the front side surface of the box body, the filter element can be inserted from the socket between the upper slot and the lower slot, and a removable baffle is also provided on the front side of the socket.

[0005] The upper mounting plate and the lower mounting plate are symmetrically arranged on the upper and lower sides of the filter element; the upper mounting plate includes an upper transverse plate portion and a first upper inclined plate portion and a second upper inclined plate portion located at both ends of the upper transverse plate portion; the upper slot is arranged on the lower end surface of the upper transverse plate portion; the lower mounting plate includes a lower transverse plate portion and a first lower inclined plate portion and a second lower inclined plate portion located at both ends of the lower transverse plate portion; the lower slot is arranged on the upper end surface of the lower transverse plate portion; the first upper inclined plate portion and the first lower inclined plate portion form a guide structure opposite to the air inlet for guiding the intake airflow.

[0006] There are three upper slots and three lower slots respectively, and correspondingly, there are three filter elements, which are a primary filter cotton filter element, a high-efficiency filter screen and an activated carbon filter element.

[0007] The air inlet and the air outlet are respectively provided with connection flanges for connecting pipelines.

[0008] The baffle is fixed to the box body by locking bolts.

[0009] A plurality of fixing ears are also arranged on the box body, and the fixing ears are used to fix the filter box on the cabinet body of the fume hood.

[0010] By adopting the above technical scheme, the filter box of the utility model can very conveniently insert the filter element through the socket between the upper mounting plate and the lower mounting plate, and it is also very convenient to disassemble, thereby realizing the rapid replacement of the filter element; the upper mounting plate and the lower mounting plate are arranged to be a symmetrical structure, and the first upper inclined plate portion and the first lower inclined plate portion form a guide structure, so that the intake air flow of the air inlet is blown toward the filter element; in addition, arranging multiple filter elements can realize multi-functional filtration, and each filter element can be easily replaced separately. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the filter box of the utility model.

[0012] Figure 2 It is a schematic diagram of the first decomposed state of the utility model.

[0013] Figure 3 It is a schematic diagram of the second decomposed state of the utility model. DETAILED DESCRIPTION

[0014] The present invention is further described in detail below through the accompanying drawings and specific implementation methods.

[0015] like Figure 1-3 As shown, the utility model provides a filter box, including a square box body 1 and a filter element located in the box body 1, the box body 1 includes a first part 1a and a second part 1b spliced ​​to each other, and the first part 1a and the second part 1b are formed by bending and cutting stainless steel plates. An air inlet 11 and an air outlet 12 are respectively arranged on the left and right sides of the box body 1, and an upper mounting plate 2 and a lower mounting plate 3 are arranged in the box body 1, and an air duct connecting the air inlet 11 and the air outlet 12 is formed between the upper mounting plate 2 and the lower mounting plate 3.

[0016] An upper slot 2a is provided on the lower end surface of the upper mounting plate 2, a lower slot 3a opposite to the upper slot 2a is provided on the upper end surface of the lower mounting plate 3, a socket 1c is provided on the front side surface of the box body 1, the filter element can be inserted from the socket 1c between the upper slot 2a and the lower slot 3a, and a removable baffle 4 is also provided on the front side of the socket 1c.

[0017] The upper mounting plate 2 and the lower mounting plate 3 are symmetrically arranged on the upper and lower sides of the filter element; the upper mounting plate 2 includes an upper transverse plate portion 21 and a first upper inclined plate portion 22 and a second upper inclined plate portion 23 located at both ends of the upper transverse plate portion 21; the upper slot 2a is arranged on the lower end surface of the upper transverse plate portion 21; the lower mounting plate 3 includes a lower transverse plate portion 31 and a first lower inclined plate portion 32 and a second lower inclined plate portion 33 located at both ends of the lower transverse plate portion 31; the lower slot 3a is arranged on the upper end surface of the lower transverse plate portion 31; the first upper inclined plate portion 22 and the first lower inclined plate portion 32 form a guide structure opposite to the air inlet 11 for guiding the intake airflow.

[0018] There are three upper slots 2a and three lower slots 3a, and correspondingly, there are three filter elements, which are a primary filter cotton filter element 41, a high-efficiency filter screen 42 and an activated carbon filter element 43.

[0019] The air inlet 11 and the air outlet 12 are respectively provided with connection flanges 5 for connecting pipelines.

[0020] The baffle 4 is fixed to the box body 1 by means of locking bolts 6 .

[0021] A plurality of fixing ears 7 are also provided on the box body 1, and the fixing ears 7 are used to fix the filter box on the cabinet body of the fume hood.

[0022] By adopting the above technical scheme, the filter box of the utility model can very conveniently insert the filter element through the socket 1c between the upper mounting plate 2 and the upper mounting plate 2, and it is also very convenient to disassemble, thereby realizing the rapid replacement of the filter element; the upper mounting plate 2 and the lower mounting plate 3 are arranged to be a symmetrical structure, and the first upper inclined plate portion 22 and the first lower inclined plate portion 32 form a guiding structure, so that the intake air flow of the air inlet 11 is blown toward the filter element; in addition, arranging multiple filter elements can realize multi-functional filtration, and each filter element can be easily replaced separately.

[0023] Obviously, the above embodiments are only examples for clear explanation, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from them are still within the protection scope of the invention of the utility model.

Claims

1. A filter box, characterized in that: It includes a square box body and a filter element located in the box body, the left and right sides of the box body are respectively provided with an air inlet and an air outlet, an upper mounting plate and a lower mounting plate are provided in the box body, an air duct connecting the air inlet and the air outlet is formed between the upper mounting plate and the lower mounting plate, an upper slot is provided on the lower end surface of the upper mounting plate, a lower slot opposite to the upper slot is provided on the upper end surface of the lower mounting plate, a socket is provided on the front side surface of the box body, the filter element can be inserted from the socket between the upper slot and the lower slot, and a detachable baffle is also provided on the front side of the socket.

2. The filter box according to claim 1, characterized in that: The upper mounting plate and the lower mounting plate are symmetrically arranged on the upper and lower sides of the filter element; the upper mounting plate includes an upper transverse plate portion and a first upper inclined plate portion and a second upper inclined plate portion located at both ends of the upper transverse plate portion; the upper slot is arranged on the lower end surface of the upper transverse plate portion; the lower mounting plate includes a lower transverse plate portion and a first lower inclined plate portion and a second lower inclined plate portion located at both ends of the lower transverse plate portion; the lower slot is arranged on the upper end surface of the lower transverse plate portion; the first upper inclined plate portion and the first lower inclined plate portion form a guide structure opposite to the air inlet for guiding the intake airflow.

3. The filter box according to claim 2, characterized in that: There are three upper slots and three lower slots respectively, and correspondingly, there are three filter elements, which are a primary filter cotton filter element, a high-efficiency filter screen and an activated carbon filter element.

4. The filter box according to any one of claims 1 to 3, characterized in that: The air inlet and the air outlet are respectively provided with connection flanges for connecting pipelines.

5. The filter box according to any one of claims 1 to 3, characterized in that: The baffle is fixed to the box body by locking bolts.

6. The filter box according to any one of claims 1 to 3, characterized in that: A plurality of fixing ears are also arranged on the box body, and the fixing ears are used to fix the filter box on the cabinet body of the fume hood.

Images