A protective face shield with a retractable headband

Abstract

This utility model discloses a retractable headband protective face mask, belonging to the field of protective face mask technology. It includes a face mask body, an open-shaped elastic mesh cover, a retraction component for shrinking the elastic mesh cover, and a locking component. The face mask body is used to fit the user's face and provide protective space. The elastic mesh cover is disposed on the face mask body and is used to surround the head to assist in fixing the face mask body. The retraction component includes a flexible sleeve disposed on the elastic mesh cover with openings at both ends, and a pull cord movably connected inside the flexible sleeve. When the two ends of the pull cord are pulled, the elastic mesh cover fits the head of different users. Pulling the pull cord and being fixed by the locking component quickly shrinks the elastic mesh cover, allowing it to tightly fit the head contour, ensuring protective effect while improving wearing comfort. The structure is simple and low-cost, solving the problem of numerous adjustment parts in traditional designs and reducing wearing time.

Description

Technical Field

[0001] This utility model relates to the field of protective face mask technology, and in particular to a protective face mask with a retractable headband. Background Technology

[0002] Protective face shields tightly wrap around the head and face to isolate harmful substances, light, particles, etc. from the human face, thus protecting the user's eyes, respiratory tract, face, etc. from harm. In order to fit the different head shapes and facial features of different patients, multiple adjustment straps are set at the part of the protective face shield that contacts the head. After wearing, tightening each adjustment strap will make the protective face shield fit tightly on the head and face.

[0003] However, when wearing protective masks, users are generally required to complete the wearing within a certain time. For example, in military applications, the required wearing time is generally seconds. The multiple adjustment straps in the existing technology need to be adjusted one by one, which increases the wearing time. In emergency situations, such as fires or toxic gas leaks, every second is a matter of life and death. The excessive adjustment process may prevent users from quickly completing the wearing of the protective mask, delaying the best time for protection.

[0004] Therefore, to address the above issues, we propose a protective face shield with a retractable headband. Utility Model Content

[0005] This utility model provides a protective face shield with a retractable headband to solve the aforementioned technical problems.

[0006] This utility model embodiment adopts the following technical solution: it includes a mask body, an elastic mesh cover with an opening, a shrinking component for shrinking the elastic mesh cover, and a locking component. The mask body is used to fit the user's face and provide protective space. The elastic mesh cover is disposed on the mask body and is used to surround the head to assist in fixing the mask body. The shrinking component includes a flexible sleeve disposed on the elastic mesh cover and open at both ends, and a pull cord movably connected inside the flexible sleeve. When the two ends of the pull cord are pulled, the length of the flexible sleeve can be changed to shrink the elastic mesh cover. The two ends of the pull cord movably pass through the locking component and are used to lock the pull cord after it is tightened to a suitable degree to maintain the stable and fixed state of the mask body on the head.

[0007] Furthermore, the locking assembly includes a locking housing and two opposing abutments slidably connected to the locking housing, with a spring connecting the locking housing and the abutments.

[0008] Furthermore, the locking assembly also includes positioning members hinged to both ends of the locking housing, and the positioning members are provided with magnetic suction members. When the positioning members move to be opposite the end of the contact member, the magnetic suction members attract the contact member.

[0009] Furthermore, the flexible sleeve is supported by an elastic material, and when not subjected to external force, it can maintain its initial shape by virtue of its own material properties to ensure that the opening end of the elastic mesh is open.

[0010] Furthermore, both of the opposing sides of the two abutting members are provided with rounded corners.

[0011] Furthermore, both ends of the pull rope are provided with limiting protrusions to prevent the pull rope from disengaging from the locking assembly.

[0012] The above-mentioned technical solutions adopted in the embodiments of this utility model can achieve the following beneficial effects:

[0013] In this invention, an elastic mesh cover fits the head of different users. Pulling the cord and locking the cover allows it to quickly retract, ensuring a tight fit to the head's contours. This provides protection while improving comfort. The structure is simple and low-cost, solving the problem of numerous adjustment points in traditional designs and reducing wearing time. Attached Figure Description

[0014] The accompanying drawings, which are included to provide a further understanding of the present invention and constitute a part of this invention, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ;

[0016] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 ;

[0017] Figure 3 This is a cross-sectional structural diagram of the present invention;

[0018] Figure 4 This is a three-dimensional structural diagram of the locking component of this utility model;

[0019] Figure 5 This is a cross-sectional structural diagram of the locking component in this utility model;

[0020] Figure 6 This is a three-dimensional structural diagram of the contact element in this utility model.

[0021] Figure Labels

[0022] 1. Mask body; 2. Elastic mesh cover; 3. Shrink assembly; 31. Flexible sleeve; 32. Pull cord; 4. Locking assembly; 41. Locking shell; 42. Contact part; 43. Positioning part; 5. Spring; 6. Magnetic suction part; 7. Rounded corner; 8. Limiting protrusion. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0024] The technical solutions provided by the various embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0025] This utility model provides a retractable headband protective face mask, including a face mask body 1. In use, the face mask body 1 fits snugly against the user's face to provide protection. The part of the face mask body 1 that contacts the face can be made of materials such as rubber or silicone, facilitating a good fit for different users and increasing comfort. Additionally, the lower part of the face mask body 1 can cover the chin area. Then, an elastic mesh cover 2 is placed over the head. The elastic mesh cover 2 has a mesh structure that can be stretched to a certain extent and is relatively soft. To ensure a tight fit and fixation of the elastic mesh cover 2 to the head, a shrinking component 3 is included for shrinking the elastic mesh cover 2. The shrinking component 3 includes a flexible sleeve 31 located on the elastic mesh cover 2 and open at both ends, and a pull cord 32 movably connected inside the flexible sleeve 31. The operator holds the face mask body 1 with one hand and pinches the edge of the elastic mesh cover 2 with the other, placing the elastic mesh cover 2 over the head. At this time, the two ends of the pull cord 32 located at the back of the head are pulled, changing the length of the flexible sleeve 31. When the two ends of the pull cord 32 are tightened, the flexible sleeve 31 will contract along the direction of the pull cord 32 under the constraint of the pull cord 32, thereby changing the length of the flexible sleeve 31. At this time, the tension will cause the various parts of the elastic mesh cover 2 to move in the direction of contraction of the flexible sleeve 31, resulting in a decrease in the circumference of the elastic mesh cover 2 and a smaller opening of the elastic mask, thereby achieving the purpose of shrinking the elastic mesh cover 2 to better fit the head of different users. In order to lock the pull cord 32 after tightening it to a suitable degree, the two ends of the pull cord 32 move through the locking component 4. When the pull cord 32 is pulled, the locking component 4 moves towards the flexible sleeve 31 as the pull cord 32 is tightened and locks the pull cord 32, maintaining the stable and fixed state of the mask body and the elastic mesh cover 2 on the head. In this process, the two ends of the pull cord 32 can be tightened directly after the elastic mesh cover 2 is put on the head. Compared with the prior art, which requires adjusting multiple adjustment straps to fix the elastic mesh cover 2 and the mask body 1 on the head, it is simpler and faster.

[0026] Preferably, to fix the tension of the pull cord 32, the locking assembly 4 includes a locking shell 41 and two opposing abutment members 42 slidably connected to the locking shell 41. In use, the bottom of the locking shell 41 has a large opening. When the two ends of the pull cord 32 are pulled, the two ends of the pull cord 32 squeeze the abutment members 42 and slide them towards both sides of the locking shell 41. Then, the elastic element between the locking shell 41 and the abutment members 42 is also compressed and deformed. As the pull cord 32 is tightened, the locking member slides upwards on the pull cord 32. The pull cord 32 is protected by rounded corners 7 on the opposite sides of the two contact parts 42 to reduce friction on the surface of the pull cord 32. When the pull cord 32 is pulled to a suitable degree, the pull cord 32 is stopped. At this time, under the elastic action of the spring 5, the two opposite contact parts 42 will simultaneously abut against the pull cord 32 to lock the pull cord 32. The locking action is completed automatically without the need for the user to manually operate additional locking parts, which improves the convenience of operation. Especially in emergency situations, the pull cord 32 can be quickly fixed to ensure that the mask is worn securely.

[0027] Preferably, to enhance the locking effect of the locking assembly 4, the locking assembly 4 further includes positioning members 43 hinged to both ends of the locking housing 41, and the positioning members 43 are provided with magnetic suction members 6. After the contact member 42 performs initial locking, the positioning member 43 is rotated so that when the positioning member 43 moves to be opposite the end of the contact member 42, the magnetic suction members 6 will attract each other to the contact member 42, which can increase additional resistance in the direction in which the pull rope 32 may slide. Even under strong external impact or extreme usage environment, the synergistic effect of the positioning member 43 and the contact member 42 can significantly reduce the risk of the pull rope 32 accidentally loosening, ensuring that the protective mask is always tightly fixed to the user's head and ensuring the protective effect. After the user completes the initial tightening of the pull rope 32, they only need to simply rotate the positioning member 43 to complete the secondary reinforcement without complicated operation steps.

[0028] Preferably, in order for the flexible sleeve 31 to restore its deformation when the tension of the pull cord 32 is released, the flexible sleeve 31 is supported by an elastic material, such as rubber or silicone. When not subjected to external force, it can maintain its initial shape by virtue of its own material properties to ensure that the opening end of the elastic mesh cover 2 is open. The elastic material can withstand different degrees of tension within a certain range and can produce corresponding deformation according to the tension of the pull cord 32, thereby adapting to the differences in head size of different users and different requirements for the tightness of the mesh cover, providing a personalized and comfortable wearing experience.

[0029] Preferably, to prevent the pull cord 32 from coming out of the locking assembly 4, limiting protrusions 8 are provided at both ends of the pull cord 32 to prevent it from coming out of the locking assembly 4. After the use of the elastic cover body 1 is finished, the elastic mesh cover 2 is removed. At this time, the locking assembly 4 is released from locking the pull cord 32, causing the pull cord 32 to loosen. The limiting protrusions 8 prevent the pull cord 32 from being pulled out of the locking shell 41, clearly limiting the range of movement of the pull cord 32. This ensures that the pull cord 32 will not be pulled out excessively from the locking shell 41 after it loosens, ensuring that the pull cord 32 can maintain its connection with the locking assembly 4 even in a loose state. This makes it convenient to quickly tighten and lock without complicated operations such as re-threading the cord when using it next time.

[0030] The above description is merely an embodiment of this utility model and is not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of this utility model should be included within the scope of the claims of this utility model.

Claims

1. A protective face shield with a retractable headband, characterized in that, include; The face mask body (1) is used to fit the user's face and provide a protective space; An elastic mesh cover (2) with an opening is provided on the mask body (1) and is used to surround the head to help fix the mask body (1). A shrinking assembly (3) for shrinking the elastic mesh cover (2) includes a flexible sleeve (31) provided on the elastic mesh cover (2) and open at both ends, and a pull rope (32) movably connected inside the flexible sleeve (31). When the two ends of the pull rope (32) are pulled, the length of the flexible sleeve (31) can be changed, thereby shrinking the elastic mesh cover (2). The locking assembly (4) has both ends of the pull cord (32) moving through it to lock it after the pull cord (32) is pulled to a suitable degree, thereby maintaining the mask body (1) in a stable and fixed state on the head.

2. The protective face shield with a retractable headband according to claim 1, characterized in that, The locking assembly (4) includes a locking shell (41) and two opposing abutments (42) slidably connected to the locking shell (41), with a spring (5) connecting the locking shell (41) and the abutments (42).

3. A protective face shield with a retractable headband according to claim 2, characterized in that, The locking assembly (4) further includes a positioning member (43) hinged to both ends of the locking housing (41), and the positioning member (43) is provided with a magnetic suction member (6). When the positioning member (43) moves to be opposite to the end of the contact member (42), the magnetic suction member (6) attracts the contact member (42).

4. A protective face shield with a retractable headband according to claim 1, characterized in that, The flexible sleeve (31) is supported by an elastic material. When not subjected to external force, it can maintain its initial shape by its own material properties to ensure that the opening end of the elastic mesh cover (2) is open.

5. A protective face shield with a retractable headband according to claim 2, characterized in that, Both of the two abutting members (42) have rounded corners (7) on their opposite sides.

6. A protective face shield with a retractable headband according to claim 1, characterized in that, Both ends of the pull rope (32) are provided with limiting protrusions (8) to prevent the pull rope (32) from disengaging from the locking assembly (4).

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