A high-altitude parachuting oxygen mask quick release device

Abstract

The present invention relates to a high-altitude parachuting oxygen mask quick-release device, comprising a female quick-release buckle and a male quick-release buckle, wherein the male quick-release buckle has a plug with a slot, and the female quick-release buckle has a first accommodating groove for clamping the plug, and the upper side of the first accommodating groove is a locking portion, and the upper part of the locking portion near the male quick-release buckle is provided with a threading portion for installing a detaching rope, and the detaching rope is exposed through the threading portion and is arranged on the locking portion, and when the detaching rope is pulled so that the locking portion is subjected to an upward force, the female quick-release buckle and the male quick-release buckle are in a separable state. The high-altitude parachuting oxygen mask quick-release device of the present invention has a low reliance on fine finger operation, and even when wearing cold-proof gloves, the buckle can be smoothly opened by simply holding or clamping the detaching rope and pulling it, thereby realizing the quick detachment of the oxygen mask.

Description

Technical Field

[0001] The invention belongs to the field of aviation equipment, and in particular relates to a high-altitude parachuting oxygen mask quick-detaching device. Background Art

[0002] At present, the oxygen masks used by flight personnel are mostly connected by male and female buckles on their straps. This connection method is stable and reliable. When removing the oxygen mask, you only need to pull the female buckle elastic switch with one finger, or pinch the elastic switch with two fingers to easily remove it. However, in some more stringent usage scenarios, it is inconvenient to open the ordinary male and female buckles; for example, after landing from a high altitude skydiving, the cold-proof gloves worn by the skydivers are relatively bulky, and it is difficult to quickly find the switch position or press the switch, making it difficult to quickly remove the mask. When wearing cold-proof gloves, it is difficult for skydivers to operate delicately with one or two fingers, and they may need to grope and try for a period of time before they can open it, which wastes precious quick reaction time in wartime.

[0003] In view of this, it is necessary to propose a buckle that can be quickly detached after skydiving lands. Summary of the invention

[0004] The invention aims to provide a high-altitude parachuting oxygen mask quick-detaching device which can be smoothly detached even when wearing cold-proof gloves.

[0005] In order to solve the above technical problems, the present invention discloses a high-altitude skydiving oxygen mask quick-release device, comprising a female quick-release buckle and a male quick-release buckle, the male quick-release buckle having a plug with a slot, the female quick-release buckle having a first accommodating groove for clamping the plug, the upper side of the first accommodating groove is a locking portion, the lower part of the locking portion near the male quick-release buckle is provided with a locking protrusion, when the male quick-release buckle is inserted into the female quick-release buckle, the locking protrusion is engaged with the slot, so that the female quick-release buckle and the male quick-release buckle are locked and fixed, and the upper part of the locking portion near the male quick-release buckle is provided with a threading portion for installing a detachment rope, the detachment rope is exposed on the locking portion through the threading portion, when the detachment rope is pulled to cause the locking portion to be subjected to an upward force, the locking protrusion is separated from the slot, and the female quick-release buckle and the male quick-release buckle are in a separable state.

[0006] Preferably, the threading portion has a mounting hole or a slit for the detachable rope to pass through, and one end of the detachable rope is fixedly or detachably arranged on the threading portion.

[0007] Preferably, a buckle is provided at one end of the detachable rope away from the threading portion.

[0008] Preferably, the buckle comprises a buckle seat and a buckle cover which are hinged to each other, the detachable rope passes through the threading portion, and an end of the detachable rope away from the threading portion is locked between the buckle seat and the buckle cover.

[0009] Preferably, the buckle surface is provided with anti-slip grooves.

[0010] Preferably, the middle portion of the detachable rope is coated with a heat shrink tube.

[0011] Preferably, a second accommodating groove is processed on the upper side of the locking portion; the detachable rope is pre-shaped and has elasticity, the detachable rope is fixed on the threading portion, and when the detachable rope is not subjected to external force, the detachable rope is inclined to the side away from the female quick-release buckle.

[0012] Preferably, the inner side wall of the second receiving groove is provided with anti-slip stripes, or the upper diameter of the second receiving groove is smaller than the lower diameter.

[0013] Preferably, the buckle is an airbag whose size is matched with the second receiving groove. In a low-pressure environment, the volume of the airbag is in a larger state. When the airbag is inserted into the second receiving groove, the airbag does not separate from the second receiving groove even under the elastic force of the detachment rope; when the airbag is close to the surface air pressure, the volume of the airbag is not larger than the volume of the second receiving groove due to the increase in ambient pressure. When the airbag is inserted into the second receiving groove, the airbag separates from the second receiving groove under the elastic force of the detachment rope.

[0014] Preferably, before parachuting, the airbag is stuffed into the second containing groove to prevent the airbag from hitting the face of the parachutist under the action of airflow during high-speed descent. After parachuting, when the parachutist approaches the ground or lands, the air pressure on the ground is higher than the air pressure at high altitude, and the volume of the airbag is reduced. The airbag is separated from the second containing groove under the elastic force of the detachment rope. At this time, the parachutist can quickly take off the oxygen mask by pulling the detachment rope.

[0015] The high-altitude parachuting oxygen mask quick-release device of the present invention has at least the following advantages:

[0016] 1. It has low reliance on fine finger operation. Even when wearing cold-proof gloves, you only need to hold or clamp the detachment rope and pull it to smoothly open the buckle and quickly detach the oxygen mask.

[0017] 2. The setting of the pull buckle makes it difficult for the detachable rope to slip off when it is grabbed.

[0018] 3. The setting of the airbag prevents the detachment rope from swinging around and hitting the face of the parachutist in the early and middle stages of parachuting, thus avoiding discomfort or panic of the parachutist; in the later stage of parachuting, as the ambient air pressure increases as the parachutist approaches the ground, the volume of the airbag decreases and thus detaches from the second accommodating slot. At this time, since the parachute is opened, the parachutist's falling speed decreases, and the detachment rope is not likely to swing around and hit the face of the parachutist. The parachutist can be smoothly detached after landing, which effectively solves the interference of the detachment rope and the buckle on the parachutist during parachuting. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1The present invention is a three-dimensional structural schematic diagram of a high-altitude skydiving oxygen mask quick-release device.

[0020] Figure 2 for Figure 1 Front view of the medium-altitude skydiving oxygen mask quick-release device.

[0021] Figure 3 for Figure 2 Cross-sectional view in the direction of A of the quick-release device for the oxygen mask of a mid-altitude skydiving jumper.

[0022] Figure 4 The present invention is a schematic diagram of the structure of another high-altitude skydiving oxygen mask quick-release device.

[0023] The numbers in the figure are: 1-female quick-release buckle, 2-male quick-release buckle, 3-plug, 4-first accommodating groove, 5-stop portion, 510-stop protrusion, 520-threading portion, 521-slit, 6-detachable rope, 7-pull buckle, 710-pull buckle seat, 720-pull buckle cover, 730-anti-slip pattern, 8-heat shrink tube, 9-second accommodating groove, 910-anti-slip stripe, 10-airbag. DETAILED DESCRIPTION

[0024] The present invention is further described in detail below through examples so that those skilled in the art can implement the invention with reference to the description.

[0025] It should be understood that the terms such as “having”, “including” and “comprising” used herein do not exclude the existence or addition of one or more other elements or combinations thereof.

[0026] Example 1

[0027] like Figures 1 to 3 As shown, a high-altitude parachuting oxygen mask quick-release device comprises a female quick-release buckle 1 and a male quick-release buckle 2, wherein the male quick-release buckle 2 has a plug 3 with a slot, and the female quick-release buckle 1 has a first accommodating groove 4 for clamping the plug, and the upper side of the first accommodating groove 4 is a locking portion 5, and the lower part of the locking portion 5 near the male quick-release buckle 2 has a locking protrusion 510, and when the male quick-release buckle 2 is inserted into the female quick-release buckle 1, the locking protrusion 510 is engaged with the slot. , thereby locking and fixing the female quick-release buckle 1 and the male quick-release buckle 2, and a threading portion 520 for installing a detachment rope 6 is provided on the upper part of the locking portion 5 near the male quick-release buckle 2. The detachment rope 6 is exposed on the locking portion 5 through the threading portion 520. When the detachment rope 6 is pulled to cause the locking portion 5 to be subjected to an upward force, the locking protrusion 510 is disengaged from the locking groove, and the female quick-release buckle 1 and the male quick-release buckle 2 are in a separable state, and the oxygen mask can be smoothly removed at this time.

[0028] The threading part 520 has a mounting hole or slit for the detachable rope 6 to pass through, and one end of the detachable rope 6 is fixedly or detachably arranged on the threading part 520. In this embodiment, the threading part 520 has a slit 521, and the detachable rope 6 is passed through the slit, and the end is fixed to the buckle 7 in double strands.

[0029] The detachment rope 6 is provided with a buckle 7 at one end away from the threading portion 520. For easy grasping, the total length of the buckle 7 and the detachment rope 6 is preferably greater than 70 mm. The shorter the detachment rope 6 is, the less likely it is to be grasped, but it is also less likely to hit the face of the parachutist during parachuting. On the contrary, the longer the detachment rope 6 is, the easier it is to be grasped, but it is also more likely to hit the face of the parachutist during parachuting.

[0030] The buckle 7 includes a buckle seat 710 and a buckle cover 720 which are hinged to each other. The detachable rope 6 passes through the threading portion 520, and the end of the detachable rope 6 away from the threading portion 520 is locked between the buckle seat and the buckle cover.

[0031] The surface of the buckle 7 is provided with anti-skid patterns 730 to prevent slipping when grasping.

[0032] The middle part of the detachable rope 6 is covered with a heat shrink tube 8 to prevent the two strands of the detachable rope 6 from spreading out.

[0033] Example 2

[0034] like Figure 4 As shown, it is similar to Example 1, except that a second accommodating groove 9 is processed on the upper side of the locking portion 5; the detachment rope 6 is predetermined and elastic, and the detachment rope 6 is fixed on the threading portion 520. When the detachment rope 6 is not subjected to external force, the detachment rope 6 is inclined to the side away from the female quick-release buckle 1.

[0035] The inner side wall of the second receiving groove 9 is provided with anti-slip stripes 910 (the anti-slip stripes 910 can be strip-shaped or granular protrusions) or the upper diameter of the second receiving groove 9 is smaller than the lower diameter, so as to prevent the larger airbag 10 from slipping. Further, as a specific embodiment provided by the present invention, a hard or semi-hard anti-slip sheet can also be provided on the side of the airbag 10, which can not only form a constraint on the shape of the airbag 10, but also increase the contact area with the side wall of the second receiving groove 9, thereby enhancing the anti-slip effect.

[0036] The buckle 7 is an airbag 10 whose size is matched with the second receiving groove 9. The airbag 10 can be made of elastic materials such as rubber. In the present embodiment, the airbag 10 is pre-shaped into a rectangular parallelepiped that is matched with the second receiving groove 9. The bottom of the rectangular parallelepiped is thickened so that the change of the bottom of the airbag 10 is relatively small, thereby preventing the bottom of the airbag 10 from excessively bulging when the volume is in a larger state; the volume of the airbag 10 is in a larger state under low pressure environment. When the airbag 10 is inserted into the second receiving groove 9, the airbag 10 does not separate from the second receiving groove 9 even under the elastic force of the detachment rope 6; when the airbag 10 is close to the surface pressure, the volume of the airbag 10 is not larger than the volume of the second receiving groove 9 due to the increase in ambient pressure. When the airbag 10 is inserted into the second receiving groove 9, the airbag 10 separates from the second receiving groove 9 under the elastic force of the detachment rope 6. Further, as a specific embodiment provided by the present invention, the volume of the airbag 10 is in a relatively large state under low pressure, which is larger than the volume of the second receiving groove 9. When the airbag 10 is inserted into the second receiving groove 9, the airbag 10 does not separate from the second receiving groove 9 even under the elastic force of the detachment rope 6; when the airbag 10 is close to the surface pressure, the volume of the airbag 10 is not larger than the volume of the second receiving groove 9 due to the increase of the ambient pressure, and the airbag 10 in the second receiving groove 9 separates from the second receiving groove 9 under the elastic force of the detachment rope 6. It is worth noting that the height of high-altitude skydiving is generally 3000-5000 meters. When skydiving in low-altitude areas, the volume of the airbag 10 is reduced by about 1 / 5 from 5000 meters to landing, and the volume change is obvious. The volume change is sufficient for the airbag 10 to smoothly separate from the second receiving groove 9; when skydiving in high-altitude areas, the volume, shape, internal air pressure, etc. of the airbag 10 can be appropriately adjusted.

[0037] Before parachuting, the parachutist is at a high altitude, at which time the airbag 10 is in a larger state, and the airbag 10 is stuffed into the second accommodating groove 9 (at this time the detachment rope 6 is bent and has an upward pulling force on the airbag 10, and the bent detachment rope 6 will not swing greatly during the parachuting process) to prevent the airbag 10 from hitting the parachutist's face under the action of the airflow during the high-speed descent. After parachuting, when the parachutist approaches the ground or lands, the volume of the airbag 10 is reduced because the ground pressure is higher than the high-altitude air pressure. The airbag 10 is separated from the second accommodating groove 9 under the elastic force of the detachment rope 6, and the parachutist can quickly take off the oxygen mask by pulling the detachment rope 6.

[0038] Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and the implementation modes. They can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and the embodiments shown and described herein.

Claims

1. A high altitude parachuting oxygen mask quick release device, characterized in that: It comprises a female quick-release buckle and a male quick-release buckle, wherein the male quick-release buckle has a plug with a slot, and the female quick-release buckle has a first accommodating slot for clamping the plug, and the upper side of the first accommodating slot is a locking portion, and the lower part of the locking portion near the male quick-release buckle is provided with a locking protrusion, when the male quick-release buckle is inserted into the female quick-release buckle, the locking protrusion is engaged with the slot, so that the female quick-release buckle and the male quick-release buckle are locked and fixed, and the upper part of the locking portion near the male quick-release buckle is provided with a threading portion for installing a detachable rope, and the detachable rope is exposed on the locking portion through the threading portion, and when the detachable rope is pulled to cause the locking portion to be subjected to an upward force, the locking protrusion is separated from the slot, and the female quick-release buckle and the male quick-release buckle are in a separable state; The detachable rope is provided with a buckle at one end away from the threading portion; A second accommodating groove is processed on the upper side of the locking portion; the detachable rope is pre-shaped and has elasticity, and the detachable rope is fixed to the threading portion. When the detachable rope is not subjected to external force, the detachable rope is inclined to the side away from the female quick-release buckle; The buckle is an airbag whose size matches the second receiving groove. The airbag is in a large volume under low pressure. When the airbag is inserted into the second receiving groove, the airbag does not leave the second receiving groove even under the elastic force of the detachment rope. When the airbag is close to the surface pressure, the volume of the airbag is not larger than the volume of the second receiving groove due to the increase of ambient pressure. When the airbag is inserted into the second receiving groove, the airbag is separated from the second receiving groove under the elastic force of the detachment rope.

2. The high altitude parachuting oxygen mask quick release device according to claim 1, characterized in that: The threading portion is provided with a mounting hole or a slit for the detachable rope to pass through, and one end of the detachable rope is fixedly or detachably arranged on the threading portion.

3. The high altitude parachuting oxygen mask quick release device according to claim 1, characterized in that: The buckle comprises a buckle seat and a buckle cover which are hinged to each other, the detachable rope passes through the threading part, and one end of the detachable rope away from the threading part is locked between the buckle seat and the buckle cover.

4. The high altitude parachuting oxygen mask quick release device according to claim 1, characterized in that: The buckle surface is provided with anti-skid patterns.

5. The high altitude parachuting oxygen mask quick release device according to claim 1, characterized in that: The middle part of the detachable rope is coated with a heat shrink tube.

6. The high altitude parachuting oxygen mask quick release device according to claim 1, characterized in that: The inner side wall of the second receiving groove is provided with anti-slip stripes, or the upper diameter of the second receiving groove is smaller than the lower diameter.

7. The high altitude skydiving oxygen mask quick release device according to claim 1, characterized in that: Before parachuting, the airbag is stuffed into the second containing groove to prevent the airbag from hitting the face of the parachutist under the action of airflow during high-speed descent. After parachuting, when the parachutist approaches the ground or lands, the air pressure on the ground is higher than the air pressure at high altitude, and the volume of the airbag is reduced. The airbag is separated from the second containing groove under the elastic force of the detachment rope. At this time, the parachutist can quickly take off the oxygen mask by pulling the detachment rope.

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