Dustproof mask
The dust mask with adjustable straps and a replaceable breathing valve addresses the issue of fixed-length elastic bands, enhancing user comfort and convenience by allowing strap adjustment and easy filter replacement.
Patent Information
- Application Number
- CN202420565454.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-22
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-03-22
AI Technical Summary
Existing dust masks with elastic bands fixed on the left and right ends have a fixed length, leading to low applicability for different user groups, particularly those with heart or respiratory issues, pregnant women, and causing discomfort such as dizziness and difficulty breathing.
A dust mask design featuring limit blocks on the left and right sides to hold elastic bands, allowing adjustment of the straps' length, combined with a replaceable breathing valve and nose clip for improved fit and convenience.
The design enhances applicability by enabling adjustable straps and easy replacement of the breathing valve, improving user comfort and convenience.
Smart Images
Figure CN222264474U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of dust masks, in particular to a dust mask. Background Art
[0002] A mask is a sanitary product, generally refers to a device worn on the mouth and nose to filter the air entering the mouth and nose, so as to block harmful gases, odors, and droplets from entering and exiting the wearer's mouth and nose. It is made of gauze or paper, and has a certain filtering effect on the air entering the lungs. When respiratory infectious diseases are prevalent and when working in an environment polluted by dust, wearing a mask has a very good effect. It can be divided into air-filtering masks and air-supplied masks. It is not suitable for people with heart or respiratory problems and pregnant women. Wearing it will cause dizziness, difficulty breathing and skin sensitivity.
[0003] Most of the existing dust masks use elastic bands as straps, but the elastic bands are fixed on the left and right ends of the mask body, resulting in a fixed length of the elastic bands, which cannot be adapted to all groups, resulting in a low applicability.
[0004] Therefore, it is necessary to provide a kind of dust mask to solve the above-mentioned technical problems. Utility Model Content
[0005] In order to overcome the structural defects of the above-mentioned prior art, the utility model provides a dust mask.
[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a dust mask, including a mask body, characterized in that: limit blocks are installed on the left and right sides of the mask body, the limit blocks are rectangular blocks with hollow interiors, the limit blocks can hold elastic bands, two circular holes 1 are provided on the opposite side of the limit blocks, two circular holes 2 are provided on the top of the limit blocks, the elastic band passes through the circular hole 1 and the circular hole 2 to form a first strap and a second strap, and the user can wear it with the first strap and the second bandage.
[0007] Preferably, the elastic band passes through the two circular holes 2, so that one end of the elastic band is exposed to the outside. At this time, the user can adjust the elastic band exposed to the outside so that the first strap and the second strap can be better worn on the head.
[0008] Preferably, a replaceable breathing valve is installed on the surface of the mask body, and the replaceable breathing valve includes a base, the base is a circular block, and a placement block is installed on the top of the base, and a circular groove is provided inwardly on the top of the placement block, and a filter valve can be placed inside the circular groove.
[0009] Preferably, a circle of external threads is provided on the side of the circular groove, a top cover is provided on the top of the circular groove, an internal thread is provided inside the top cover, and the top cover is connected to the external threads by internal thread bolts.
[0010] Preferably, a vent hole is provided on the top cover.
[0011] Preferably, a nose clip is installed on the surface of the mask body.
[0012] Compared with the prior art, the utility model can achieve the following beneficial effects:
[0013] (1) The utility model is designed with a limit block, and the elastic band is placed in the limit block, thereby forming a first strap and a second strap. Then, due to the structure of the limit block, one end of the elastic band is exposed to the outside. At this time, the user can adjust the elastic band exposed to the outside so that the first strap and the second strap can be better worn on the head, thereby improving applicability.
[0014] (2) The utility model is designed with a replaceable breathing valve. The replaceable breathing valve can be continued to be used by simply opening the outer cover and replacing the internal filter valve. The whole operation is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is the overall front view of the utility model;
[0016] Figure 2 It is a side view of the limit block of the utility model;
[0017] Figure 3 This is a front view of the limit block of the utility model;
[0018] Figure 4 This is a schematic diagram of the overall structure of the replaceable breathing valve of the utility model;
[0019] Among them: 1. Mask body; 2. Limit block; 3. Elastic band; 4. Circular hole 1; 5. Circular hole 2; 31. First strap; 32. Second strap; 8. Replaceable breathing valve; 9. Base; 10. Placement block; 11. Circular groove; 12. Filter valve; 13. External thread; 14. Top cover; 15. Internal thread; 16. Ventilation hole; 17. Nose clip; DETAILED DESCRIPTION
[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.
[0021] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0022] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.
[0023] Embodiment:
[0024] like Figure 1-4As shown, the utility model provides a dust mask, including a mask body 1, characterized in that: limit blocks 2 are installed on the left and right sides of the mask body 1, the limit blocks 2 are rectangular blocks with a hollow interior, the limit blocks 2 can hold elastic bands 3, two circular holes 1 4 are provided on the opposite side of the limit blocks 2, two circular holes 2 5 are provided on the top of the limit blocks 2, the elastic band 3 passes through the circular holes 1 4 and the circular holes 2 5, thereby forming a first strap 31 and a second strap 32, and the user can wear the mask through the first strap 31 and the second bandage.
[0025] In the present embodiment, specifically, the elastic band 3 passes through the two circular holes 5, so that one end of the elastic band 3 is exposed to the outside. At this time, the user adjusts the elastic band 3 exposed to the outside so that the first strap 31 and the second strap 32 can be better worn on the head; the user adjusts the elastic band to control the length of the first strap 31 and the second strap 32.
[0026] In the present embodiment, specifically, a replaceable breathing valve 8 is installed on the surface of the mask body 1, and the replaceable breathing valve 8 includes a base 9, and the base 9 is a circular block, and a placement block 10 is installed on the top of the base 9, and a circular groove 11 is provided inwardly on the top of the placement block 10, and a filter valve 12 can be placed inside the circular groove 11; wherein the base 9 is fixedly installed on the mask body 2, and the base 9 and the placement block 10 are provided with a ventilation hole that runs through the two, and the ventilation hole is on the axis of the two.
[0027] In this embodiment, specifically, a circle of external threads 13 is provided on the side of the circular groove 11, a top cover 14 is provided on the top of the circular groove 11, an internal thread 15 is provided inside the top cover, and the top cover 14 is bolted to the external thread 13 through the internal thread 15; wherein the top cover 14 is used to protect the filter valve 12 inside the circular groove 11, and also fix the filter valve 12.
[0028] In this embodiment, specifically, a vent hole 16 is provided on the top cover 14 .
[0029] In this embodiment, specifically, a nose clip 17 is installed on the surface of the mask body 1.
[0030] Working principle: If you need to replace the breathing valve before use, just open the top cover 14, replace the internal filter valve 12 and continue to use it, then screw the top cover 14 shut to complete the replacement. Then, if the length of the first strap 31 and the second strap 32 is not suitable, you only need to adjust the exposed elastic band 3 to change the first strap 9 and the second strap 32, so that the first strap 31 and the second strap 32 can be better worn on the head, thereby improving applicability.
[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A dust mask, comprising a mask body (1), characterized in that: The mask body (1) is provided with limit blocks (2) on both sides thereof. The limit blocks (2) are rectangular blocks with a hollow interior. The limit blocks (2) can hold an elastic band (3). Two circular holes (1) (4) are provided on the opposite side of the limit blocks (2). Two circular holes (2) (5) are provided on the top of the limit blocks (2). The elastic band (3) passes through the circular holes (1) (4) and the circular holes (2) (5), thereby forming a first binding band (31) and a second binding band (32). The user can wear the mask through the first binding band (31) and the second binding band (32).
2. A dust mask according to claim 1, characterized in that: The elastic band (3) passes through the two circular holes (5), so that one end of the elastic band (3) is exposed to the outside. At this time, the user can adjust the elastic band (3) exposed to the outside so that the first strap (31) and the second strap (32) can be better worn on the head.
3. A dust mask according to claim 2, characterized in that: A replaceable breathing valve (8) is installed on the surface of the mask body (1), and the replaceable breathing valve (8) includes a base (9). The base (9) is a circular block, and a placement block (10) is installed on the top of the base (9). A circular groove (11) is provided inwardly at the top of the placement block (10), and a filter valve (12) can be placed inside the circular groove (11).
4. A dust mask according to claim 3, characterized in that: A circle of external threads (13) is provided on the side of the circular groove (11), a top cover (14) is provided on the top of the circular groove (11), an internal thread (15) is provided inside the top cover, and the top cover (14) is bolted to the external threads (13) via the internal threads (15).
5. A dust mask according to claim 4, characterized in that: The top cover (14) is provided with a vent hole (16).
6. A dust mask according to claim 5, characterized in that: A nose clip (17) is installed on the surface of the mask body (1) 。