Quick-release mask

Abstract

The utility model discloses a quick-release mask which comprises a connecting seat fixedly connected to a helmet, the connecting seat is provided with a fixing seat, and a hollow locking hole is fixed in the middle of the fixing seat; the mask is provided with two connecting ends connected with the helmet, and at least one connecting end is provided with a locking device which penetrates through the locking hole to form relative positioning with the fixed seat; the locking device comprises a cover plate fixed to the mask, a pushing piece sliding relative to the mask is arranged in the middle of the cover plate, and a telescopic mechanism penetrating through the locking hole to be positioned in the locking hole of the fixing base is arranged on the side, facing the mask, of the pushing piece. The movable part of the telescopic mechanism keeps a trend of being far away from the fixed part under the driving of the spring and is locked with the fixed seat; when the mask is locked on the helmet, the spring enables the movable part to form fit limiting of the movable part and the fixed seat along the radial direction of the locking hole; the two sides of the face mask are provided with finger push-pull structures, so that the face mask can be conveniently and quickly detached.

Description

Technical Field

[0001] The utility model relates to the technical field of conveniently disassembled masks, in particular to a quick-detachable mask. Background Art

[0002] Chinese utility model patent CN220157664U discloses a motorcycle helmet with sunglasses, comprising a helmet body and a windproof transparent cover. The windproof transparent cover is movably mounted on the helmet body, and sunglasses are movably mounted inside the windproof transparent cover. The sunglasses can be retracted within the helmet body and extended to the front of the helmet body. A push switch is provided on the left and / or right ear side of the helmet body, and the push switch is used to control the retraction or extension of the sunglasses. The push switch includes a first connecting portion, a pusher, and a first fixing plate. The first fixing plate is fixed to the helmet body. One end of the first connecting portion is fixedly connected to the sunglasses, and the middle portion of the first connecting portion is rotatably connected to the helmet body via a rotating shaft. The first fixing plate is provided with an arc-shaped guide slide hole arranged concentrically with the rotating shaft. The other end of the first connecting portion passes through the guide slide hole and is fixedly connected to the pusher. The pusher is used to control the upward or downward swinging of the first connecting portion to retract or extend the sunglasses. In order to facilitate the retraction and extension of the sunglasses, the volume and weight of the helmet need to be increased to a certain extent. Summary of the Invention

[0003] The purpose of the utility model is to provide a quick-release mask. The utility model provides finger push-pull structures on both sides of the mask to facilitate quick disassembly of the mask.

[0004] In order to solve this technical problem, the technical solution of the utility model is: a quick-release mask, comprising a connecting base fixedly connected to the helmet, wherein the connecting base is provided with a fixing base having a hollow locking hole fixed in the middle;

[0005] The mask has two connecting ends connected to the helmet, at least one of which is provided with a locking device that passes through a locking hole and forms a relative positioning with a fixing seat;

[0006] The locking device includes a cover plate fixed to the mask, a pusher is provided in the middle of the cover plate and slides relative to the mask, and a telescopic mechanism is provided on the side of the pusher facing the mask and passes through the locking hole and is positioned in the locking hole of the fixing base;

[0007] The telescopic mechanism includes a movable member arranged on the pushing member and a fixed member arranged on the cover plate, and a spring connection is provided between the movable member and the fixed member;

[0008] The movable part of the telescopic mechanism is driven by the spring to keep away from the fixed part and form a lock with the fixed seat;

[0009] When the mask is locked on the helmet, the spring forces the movable member to be fixed along the radial direction of the locking hole to form a fitting limit between the movable member and the fixing seat.

[0010] As a further improvement, the pusher is slidably mounted on the cover plate via two parallel protrusions. The utility model uses the pusher as a driving member for disassembling the mask, which is convenient for operation.

[0011] As a further improvement, a pressing protrusion is provided on the upper end surface of the pushing member. The utility model further improves the convenience of operation by providing the pressing protrusion.

[0012] A further improvement includes a multi-stage positioning device, comprising a positioning protrusion provided on the mask and a continuous positioning groove provided on the connecting seat that aligns with the positioning protrusion's path as the mask rotates relative to the connecting seat. The utility model utilizes a spring to position the movable member radially along the locking hole to form a fixed position between the movable member and the fixed seat. In this locked state, the multi-stage positioning device is further combined to effectively achieve multi-stage relative position adjustment between the mask and the fixed seat, improving applicability.

[0013] As a further improvement, the positioning protrusion has two levels of protrusion height. The utility model effectively improves the fit between the positioning protrusion and the positioning groove by providing two protrusions, and the positioning adjustment is more labor-saving.

[0014] As a further improvement, the mask is further provided with a stopper arranged along the circumference of the locking hole, the stopper and the fixing member being co-circumferentially located; the spring expands and contracts between the two stoppers. The provision of the stopper effectively ensures that the spring moves along a consistent path during expansion and contraction, thus ensuring stable assembly and disassembly.

[0015] As a further improvement, the movable member has a convex edge extending toward the fixing seat body for engaging with the fixing seat for limiting position. The utility model effectively ensures that the mask is installed on the connecting seat through the locking device by providing the movable member.

[0016] Preferably, the locking hole is a stepped hole with an increasing inner diameter toward the helmet. The utility model sets the locking hole as a stepped hole to realize the locking structure while reducing the volume of the entire structure, thereby controlling the weight and volume of the helmet with the quick-release mask.

[0017] By adopting the above technical solution, the beneficial effects of the utility model are:

[0018] The utility model uses the locking device to push the pusher of the cover plate fixed to the mask with a finger, compressing the spring of the telescopic mechanism, and the movable part of the telescopic mechanism approaches the fixing part to enter or leave the locking hole of the fixing seat;

[0019] When the movable part or the fixed part of the telescopic mechanism is extended into the locking hole of the fixing seat, the external force of the compression spring is removed, and the spring, driven by its own restoring force, pushes the movable part in the direction away from the fixed part to the bottom of the fixing seat body, and the cover plate and the movable part are located on both sides of the fixing part, so that the mask is installed on the helmet. When the mask is locked on the helmet, the spring fixes the movable part along the radial direction of the locking hole to form a fitting limit between the movable part and the fixing seat. The utility model provides a finger push-pull structure combined with the elasticity of the mask itself to effectively realize the active pop-up of the mask, which is convenient and quick to disassemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the three-dimensional structure of a quick-release mask involved in the utility model;

[0021] Figure 2 yes Figure 1 Enlarged view of point A in the middle;

[0022] Figure 3 It is a connecting piece installed on the helmet in the utility model;

[0023] Figure 4 It is a three-dimensional diagram of the locking parts fixed to both ends of the mask;

[0024] Figure 5 It is a three-dimensional diagram of the locking parts fixed to both ends of the mask;

[0025] Figure 6 It is a three-dimensional diagram of the fixed seat;

[0026] Figure 7 It is a three-dimensional diagram of the face mask in the present utility model.

[0027] In the picture:

[0028] Connecting seat 1; positioning groove 11; fixing seat 2; locking hole 21; mask 100; connecting end 101; positioning protrusion 102; limiting member 103; locking device 3; cover plate 31; pushing member 32; pressing protrusion 321; telescopic mechanism 33; movable member 331; fixing member 332; spring 333; protruding edge 334; parallel protrusion 34; multi-stage positioning mechanism 35. DETAILED DESCRIPTION

[0029] In order to further explain the technical solution of the present invention, the present invention will be described in detail below through specific embodiments.

[0030] This embodiment discloses a quick-release mask, such as Figures 1 to 7As shown, it includes a connecting base 1 fixedly connected to the helmet, the connecting base 1 is provided with a fixing base 2 with a hollow locking hole 21 fixed in the middle; the mask 100 has two connecting ends 101 connected to the helmet, at least one of which is provided with a locking device 3 that passes through the locking hole 21 and is relatively positioned with the fixing base 2; the locking device 3 includes a cover plate 31 fixed to the mask 100, a pusher 32 that slides relative to the mask 100 and the cover plate 31 is provided in the middle of the cover plate 31, and the pusher 32 is provided with a pusher that passes through the locking hole 21 and is positioned on the fixing base toward the side of the mask 100 The telescopic mechanism 33 is located in the locking hole 21. The telescopic mechanism 33 includes a movable member 331 disposed on the pusher 32 and a fixed member 332 disposed on the cover plate 31. A spring 333 is provided between the movable member 331 and the fixed member 332. Driven by the spring 333, the movable member 331 of the telescopic mechanism 33 is kept away from the fixed member 332 to form a lock with the fixing seat 2. When the mask 100 is locked to the helmet, the spring 333 forces the movable member 331 to fix the fixing seat 2 along the radial direction of the locking hole 21, so that the movable member 331 and the fixing seat 2 are in a fixed position.

[0031] In this embodiment, the pusher 32 is slidably mounted on the cover plate 31 via two parallel protrusions 34. In this embodiment, the pusher 32 is used as a driving member for disassembling the mask 100, which facilitates operation.

[0032] In this embodiment, the upper end surface of the pushing member 32 is provided with a pressing protrusion 321. In this embodiment, the pressing protrusion 321 is provided to further enhance the convenience of operation.

[0033] This embodiment also includes a multi-stage positioning mechanism 35, which includes a positioning protrusion 102 provided on the mask and a continuous positioning groove 11 provided on the connecting seat 1, which is consistent with the positioning protrusion 102 as the mask 102 rotates relative to the connecting seat 1. This embodiment uses a spring 333 to move the movable member 331 along the radial direction of the locking hole 21 of the fixing seat 2 to form a fitting limit between the movable member 331 and the fixing seat 2. In this locked state, the multi-stage positioning mechanism 35 is further used to effectively achieve multi-stage relative position adjustment between the mask and the fixing seat 2, thereby improving applicability. In this embodiment, since the telescopic mechanism 33 is relatively

[0034] The positioning protrusion 102 of this embodiment has two levels of protrusion height. In this embodiment, the two protrusions are provided to effectively improve the fit between the positioning protrusion 102 and the positioning groove 11, making the positioning adjustment more labor-saving.

[0035] The mask 100 of this embodiment further includes a stopper 103 disposed along the circumference of the locking hole 21. The stopper 103 and the fixing member 332 are co-circumferentially located. The spring 333 extends and retracts between the two stoppers 103. The stopper 103 effectively ensures that the spring 333 maintains a consistent path during extension and retraction, ensuring stable assembly and disassembly.

[0036] In this embodiment, the movable member 331 has a convex edge 334 extending toward the main body of the fixing seat 2 for fitting and limiting the position of the fixing seat 2. In this embodiment, the movable member 331 is provided to effectively ensure that the mask is installed on the connecting seat 1 through the locking device 3.

[0037] In this embodiment, the locking hole 21 is a stepped hole with an increasing inner diameter toward the helmet. This embodiment configures the locking hole 21 as a stepped hole to achieve a locking structure while reducing the overall volume of the structure, thereby controlling the weight and volume of the helmet with the quick-release mask.

[0038] When the visor 31 is unlocked, the visor 33 is unlocked and the visor 33 is unlocked, so that the visor 33 is unlocked and the visor 33 is unlocked.

[0039] Since the mask 100 is clamped and positioned with the fixing seat 2 through the telescopic structure 22 and the locking hole 21, and further cooperates with the multi-stage positioning mechanism 35, the mask 100 can rotate relative to the locking device 3 by penetrating into the locking hole 2 of the fixing seat 2. At this time, the positioning protrusion 102 set on the side of the mask 100 facing the connecting seat 1 passes through the connecting seat 1 with multiple positioning grooves 11 for achieving point positioning as the mask 100 rotates relative to the helmet, thereby forming a positioning of the specific covering position of the mask 100.

Claims

1. A quick-release mask, characterized by: It includes a connecting base fixedly connected to the helmet, wherein the connecting base is provided with a fixing base with a hollow locking hole fixed in the middle; The mask has two connecting ends connected to the helmet, at least one of which is provided with a locking device that passes through a locking hole and forms a relative positioning with a fixing seat; The locking device includes a cover plate fixed to the mask, a pusher is provided in the middle of the cover plate and slides relative to the mask, and a telescopic mechanism is provided on the side of the pusher facing the mask and passes through the locking hole and is positioned in the locking hole of the fixing base; The telescopic mechanism includes a movable member arranged on the pushing member and a fixed member arranged on the cover plate, and a spring connection is provided between the movable member and the fixed member; The movable part of the telescopic mechanism is driven by the spring to keep away from the fixed part and form a lock with the fixed seat; When the mask is locked on the helmet, the spring forces the movable member to be fixed along the radial direction of the locking hole to form a fitting limit between the movable member and the fixing seat.

2. The quick-release mask according to claim 1, characterized in that: The pushing member is slidably arranged on the cover plate via two parallel protrusions.

3. The quick-release mask according to claim 2, characterized in that: The upper end surface of the pushing member is provided with a pressing protrusion.

4. The quick-release mask according to claim 1, characterized in that: Also includes a multi-stage positioning device, the multi-stage positioning device includes positioning protrusions arranged on the mask as well as A continuous positioning groove is provided on the connecting seat in accordance with the path of the positioning protrusion as the mask rotates relative to the connecting seat.

5. The quick-release mask according to claim 4, characterized in that: The positioning protrusion has two levels of protrusion height.

6. The quick-release mask according to claim 1, characterized in that: The mask is further provided with a limiting piece arranged relatively along the circumference of the locking hole, and the limiting piece and the fixing piece are located on the same circumference; the spring expands and contracts between the two limiting pieces.

7. The quick-release mask according to claim 1, characterized in that: The movable part has a protruding edge extending toward the fixing seat body and used for fitting and limiting the fixing seat.

8. The quick-release mask according to claim 1, characterized in that: The locking hole is a stepped hole with an increasing inner diameter toward the helmet.

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