Novel waterproof dust filtering box with air tightness detection function

Abstract

The invention discloses a novel waterproof dust filtering box with an air tightness detection function, which is characterized in that a first opening is formed in one surface of a shell, and the first opening is recessed inwards to form a first accommodating space; a second opening is formed in one surface of the base, the second opening is sunken inwards to form a second containing space, an air outlet is formed in one surface of the base, and the air outlet and the second opening are opposite in position on the base; an air inlet is formed in one surface of the base, the air inlet and the air outlet are perpendicular to each other in position on the base, an elastic structure which is approximately U-shaped is arranged on the surface, directly facing the air inlet, of the shell, the elastic sealing part is mounted on the elastic structure, and the elastic structure can drive the elastic sealing part to close or open the air inlet; the filter element is mounted in the second accommodating space through the second opening; the base is installed in the first containing space through the first opening, and a gap is formed between the base and the inner wall of the first containing space. The device has an anti-splashing effect and can realize one-key airtight detection.

Description

Technical Field

[0001] The invention relates to the technical field of a respirator mask dust filter box and the like, and in particular to a novel waterproof dust filter box with an air tightness detection function. Background Art

[0002] Dust filter boxes of respirator masks are widely used in industries such as coal mining, welding, cutting, spraying, and medical laboratories, so that the dust filter boxes of respirator masks will encounter a large amount of splashing of water, sparks, sprays, etc., and splashes such as water, sparks, sprays, etc. can easily enter the dust filter boxes of existing designs, thereby destroying the filter element in the dust filter box in the prior art, causing the filter element to be blocked, and reducing the service life of the dust filter box. Summary of the invention

[0003] In view of this, in order to solve the above problems, the object of the present invention is to provide a housing, a filter element, a base, and an elastic seal;

[0004] A first opening is provided on a surface of the housing, and the first opening is recessed inwardly to form a first accommodating space;

[0005] A second opening is provided on one surface of the base, the second opening is recessed inward to form a second accommodating space, and an air outlet is provided on one surface of the base, the air outlet and the second opening are located opposite to each other on the base;

[0006] An air inlet is provided on one surface of the base, and the positions of the air inlet and the air outlet on the base are perpendicular. An elastic structure approximately in a U shape is provided on the surface of the housing facing the air inlet, and the elastic seal is installed on the elastic structure, and the elastic structure can drive the elastic seal to close or open the air inlet;

[0007] The filter element is installed in the second accommodating space through the second opening;

[0008] The base is installed in the first accommodating space through the first opening, and a gap is provided between the base and the inner wall of the first accommodating space. Gas enters the air inlet through the gap, then passes through the filter element, and finally exits through the air outlet.

[0009] In the above-mentioned novel waterproof dust filter box with air tightness detection function, a first guide plate is installed in the second accommodating space, and the first guide plate is close to the air inlet.

[0010] In the above-mentioned novel waterproof dust filter box with air tightness detection function, a flow guiding space is provided between the filter element and the bottom wall of the first accommodating space.

[0011] In the above-mentioned novel waterproof dust filter box with air tightness detection function, the bottom wall of the second accommodating space is provided with a plurality of second guide plates.

[0012] In the above-mentioned novel waterproof dust filter box with air tightness detection function, the second guide plate is arranged from the direction of the air inlet toward the direction of the air outlet.

[0013] In the above-mentioned novel waterproof dust filter box with air tightness detection function, the elastic sealing member is made of any one of sealing sponge, silica gel and rubber.

[0014] In the above-mentioned novel waterproof dust filter box with air tightness detection function, the side wall of the first accommodating space is provided with a plurality of clamping blocks, and the base is clamped in the first accommodating space through the plurality of the clamping blocks.

[0015] In the above-mentioned novel waterproof dust filter box with air tightness detection function, the inner wall of the air outlet is provided with a plurality of buckles.

[0016] In the above-mentioned novel waterproof dust filter box with air tightness detection function, the inner wall of the air inlet is provided with a plurality of reinforcing ribs.

[0017] In the above-mentioned novel waterproof dust filter box with air tightness detection function, a bending stopper is also installed on the inner wall of the air outlet.

[0018] Compared with the prior art, the above technical solution has the following positive effects:

[0019] Through the application of the present invention, a new waterproof dust filter box with air tightness detection function is provided. The air inlet direction and the air outlet direction of the device are arranged in the same direction, so that the front end, the upper end and the lower end of the dust filter box can all be placed to prevent splashing, thereby achieving an anti-splashing effect. In addition, the device also has a one-button air tightness detection function, which can achieve one-button air tightness detection by pressing the elastic structure to block the air inlet. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The exploded view of a novel waterproof dust filter box with air tightness detection function of the present invention.

[0021] Figure 2 The present invention is a cross-sectional view of a novel waterproof dust filter box with an air tightness detection function.

[0022] Figure 3 It is a three-dimensional diagram of a novel waterproof dust filter box with an air tightness detection function according to the present invention.

[0023] Figure 4 It is a schematic diagram of a novel waterproof dust filter box with air tightness detection function of the present invention.

[0024] Figure 5 Schematic diagram of the housing in the present invention.

[0025] Figure 6 It is a schematic diagram of the base in the present invention.

[0026] Figure 7 It is a schematic diagram of the elastic sealing member in the present invention.

[0027] 1. Outer shell; 2. Filter element; 3. Base; 4. Elastic structure; 5. First accommodating space; 6. Second accommodating space; 7. Air inlet; 8. Air outlet; 9. Gap; 10. Guide space; 11. Second guide plate; 12. Block; 13. Buckle; 14. Reinforcement rib; 15. Bending block; 16. First guide plate; 17. Elastic sealing member. DETAILED DESCRIPTION

[0028] The present invention will be further described below in conjunction with the accompanying drawings and specific implementations, but they are not intended to limit the present invention.

[0029] The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention, so they have no substantial technical significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the present invention, should still fall within the scope of the technical contents disclosed by the present invention. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the present invention. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the present invention without substantially changing the technical contents.

[0030] like Figures 1 to 7 As shown, a novel waterproof dust filter box with an air tightness detection function according to a preferred embodiment is shown, which includes: a shell 1, a filter element 2, and a base 3.

[0031] A first opening is provided on one surface of the shell 1, and the first opening is recessed inwardly to form a first accommodating space 5; a second opening is provided on one surface of the base 3, and the second opening is recessed inwardly to form a second accommodating space 6; an air outlet 8 is provided on one surface of the base 3, and the air outlet 8 is opposite to the second opening on the base; an air inlet 7 is provided on one surface of the base 3, and the air inlet 7 is perpendicular to the air outlet 8 on the base 3; an elastic structure 4 is provided on the surface of the shell 1 facing the air inlet 7, and an elastic seal 17 is installed on the elastic structure 4, and the elastic structure 4 can drive the elastic seal 17 to close or open the air inlet 7; the filter element 2 is installed in the second accommodating space 6 through the second opening; the base 3 is installed in the first accommodating space 5 through the first opening, and a gap 9 is provided between the base 3 and the inner wall of the first accommodating space 5, and the gas enters the air inlet 7 from the gap 9, then passes through the filter element 2, and finally is discharged through the air outlet 8.

[0032] In actual use, please refer to Figure 2 The arrow in the middle shows the gas flow direction of the dust filter box. The gas enters the housing 1 from the gap 9, then enters the base 3 from the air inlet 7, and then passes through the filter element 2 to be filtered, and finally passes through the air outlet 8. The air inlet direction and the air outlet direction are set in the same direction, so that the front end, upper end and lower end of the dust filter box can be placed to prevent splashing, thereby achieving an anti-splashing effect. In addition, the device also has a one-button airtightness detection function. The elastic structure 4 is convenient for the user to press. By pressing the elastic structure 4, the air inlet 7 is blocked to achieve a one-button airtightness detection.

[0033] The present invention also has the following implementation modes based on the above:

[0034] Furthermore, a novel waterproof dust filter box with air tightness detection function is provided, wherein a first guide plate 16 is installed in the second accommodating space 6, and the first guide plate 16 is close to the air inlet 7. The first guide plate 16 changes the flow direction of the gas.

[0035] Furthermore, a novel waterproof dust filter box with air tightness detection function is provided, wherein the filter element 2 and the bottom wall of the first accommodation space 5 are provided with a guide space 10. Specifically, the gas flow direction of the device is as follows: first, the gas enters through the gap 9, then enters through the air inlet 7, flows into the guide space 10, then is filtered by the filter element, and finally is discharged through the air outlet 8.

[0036] Furthermore, a novel waterproof dust filter box with air tightness detection function is provided, wherein the bottom wall of the second accommodating space 6 is provided with a plurality of second guide plates 11. Specifically, the second guide plates 11 are used to evenly disperse the gas.

[0037] Furthermore, a novel waterproof dust filter box with an air tightness detection function is provided, wherein the second guide plate 11 is arranged from the direction of the air inlet 7 toward the direction of the air outlet 8 .

[0038] Furthermore, a novel waterproof dust filter box with air tightness detection function is provided, wherein an elastic seal 17 is provided on a side of the elastic structure 4 facing the air inlet 7. The elastic seal 17 can be a plastic air spring. The plastic air spring is usually composed of a rubber airbag containing compressed air, the inner layer is a plastic with good airtightness, and the surface is a corrosion-resistant plastic, which can block the air inlet 7.

[0039] More specifically, the elastic sealing member 17 may also be made of a flexible material such as sealing sponge, silicone, rubber, etc., and has a certain elasticity and can better seal the air inlet 7 .

[0040] Furthermore, a novel waterproof dust filter box with an air tightness detection function is provided, wherein the side wall of the first accommodating space 5 is provided with a plurality of clamping blocks 12 , and the base 3 is clamped in the first accommodating space 5 through the plurality of clamping blocks 12 .

[0041] Further, a novel waterproof dust filter box with air tightness detection function is provided, wherein the inner wall of the air outlet 8 is provided with a plurality of buckles 13. Specifically, the mask can be installed on the dust filter box through the buckles 13.

[0042] Furthermore, a novel waterproof dust filter box with air tightness detection function is provided, wherein the inner wall of the air inlet 7 is provided with a plurality of reinforcing ribs 14. Specifically, the reinforcing ribs 14 prevent the air inlet 7 from being deformed.

[0043] Further, a novel waterproof dust filter box with air tightness detection function is provided, wherein a bending stopper 15 is also installed on the inner wall of the air outlet 8. The bending stopper 15 prevents the mask from damaging the filter element during installation.

[0044] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A new waterproof dust filter box with air tightness detection function, characterized in that: include: Housing, filter element, base, elastic seal; A first opening is provided on a surface of the housing, and the first opening is recessed inwardly to form a first accommodating space; A second opening is provided on one surface of the base, the second opening is recessed inward to form a second accommodating space, and an air outlet is provided on one surface of the base, the air outlet and the second opening are located opposite to each other on the base; An air inlet is provided on one surface of the base, and the positions of the air inlet and the air outlet on the base are perpendicular. An elastic structure approximately in a U shape is provided on the surface of the housing facing the air inlet, and the elastic seal is installed on the elastic structure, and the elastic structure can drive the elastic seal to close or open the air inlet; The filter element is installed in the second accommodating space through the second opening; The base is installed in the first accommodating space through the first opening, and a gap is provided between the base and the inner wall of the first accommodating space. Gas enters the air inlet through the gap, then passes through the filter element, and finally exits through the air outlet.

2. According to claim 1, a novel waterproof dust filter box with air tightness detection function is characterized in that: A first guide plate is installed in the second accommodating space, and the first guide plate is close to the air inlet.

3. The novel waterproof dust filter box with air tightness detection function according to claim 1 is characterized in that: The filter element and the bottom wall of the first accommodating space are provided with a flow guiding space.

4. The novel waterproof dust filter box with air tightness detection function according to claim 1 is characterized in that: A plurality of second guide plates are disposed on the bottom wall of the second accommodating space.

5. The novel waterproof dust filter box with air tightness detection function according to claim 4 is characterized in that: The second guide plate is arranged from the direction of the air inlet toward the direction of the air outlet.

6. The novel waterproof dust filter box with air tightness detection function according to claim 1 is characterized in that: The elastic sealing member is made of any one of sealing sponge, silica gel and rubber.

7. The novel waterproof dust filter box with air tightness detection function according to claim 1 is characterized in that: The side wall of the first accommodating space is provided with a plurality of clamping blocks, and the base is clamped in the first accommodating space through the plurality of clamping blocks.

8. The novel waterproof dust filter box with air tightness detection function according to claim 1 is characterized in that: The inner wall of the air outlet is provided with a plurality of buckles.

9. The novel waterproof dust filter box with air tightness detection function according to claim 1 is characterized in that: The inner wall of the air inlet is provided with a plurality of reinforcing ribs.

10. The novel waterproof dust filter box with air tightness detection function according to claim 1, characterized in that: The inner wall of the air outlet is also provided with a bending stopper.

Images