Interlayer buffer structure of safety garment

Abstract

The utility model discloses an interlayer buffer structure of safety clothes, which comprises an air bag embedded in a leg strap. The hanging ring is arranged on the back part; the mounting box is arranged right below the hanging ring; the connecting pipe is communicated with the air bag; the carbon dioxide gas cylinder is detachably connected to the interior of the connecting pipe; the pressing rod is rotationally connected to the upper part of the mounting box; a pull rope is arranged between the pressing rod and the hanging ring, and the pressing rod can selectively pierce the carbon dioxide gas cylinder; and a tension spring is arranged between the pressing rod and the mounting box. The flat leg straps do not affect flexible movement of two legs, the air bags are inflated to buffer impact at the moment of falling, and the leg straps are prevented from tying and hurting the body. Manual operation is not needed, response is timely, and safety is high; when falling in various postures, inflation can be induced. The installation box is high in integration level and compact in layout, and the box belt is convenient to replace after being opened.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of safety clothes, especially relates to a sandwich buffer structure of safety clothes. BACKGROUND

[0002] The anti-falling equipment for aerial work is usually composed of a safety belt, a safety rope, a buffer device and metal fittings, the safety belt is a protective article for preventing falling injury of aerial work personnel, the existing safety belt is equipped with a buffer device due to single function, but the buffer device currently used is generally a buffer belt woven from fabric or a single buffer structure using a spring for buffering, neither of which can achieve good buffering effect, and once falling, it will cause great harm to the personal safety of the aerial worker.

[0003] The patent document with the publication number CN219595681U discloses a buffer airbag aerial work safety belt, which comprises a protective belt, a wearing mechanism is arranged on the front side of the protective belt, and a buffer mechanism is arranged on the rear side of the protective belt, the wearing mechanism can quickly and conveniently fix the safety belt on the body of the worker, thereby conveniently playing a protective role, the buffer mechanism can effectively play the buffering role of the safety airbag, thereby effectively avoiding injury of the aerial worker and realizing effective protection of the aerial worker, the wearing mechanism is arranged, the protective belt, the waist safety belt and the shoulder safety belt can quickly and conveniently fix the safety belt on the body of the worker, thereby conveniently protecting the personal safety of the worker, the buffer mechanism is arranged, the first airbag shell, the emergency button and the gas tank can quickly open the special-shaped airbag, thereby protecting the worker from injury when the worker falls and collides with other objects.

[0004] In the above patent scheme, the gas tank inflates the special-shaped airbag through the emergency button, but the falling often occurs suddenly, and the worker does not have enough time to operate the emergency button, and the impact force is the largest when the falling occurs, but the protection of the special-shaped airbag cannot be obtained at this time, and the injury caused by the impact force to the human body will be particularly obvious, so the above patent scheme has certain disadvantages.

[0005] In addition, as a safety clothes, the impact force generated when falling directly acts on the body through the safety belt, the waist belt or the shoulder belt can buffer the impact by increasing the thickness or the width, but the leg belt is clamped between the legs, and increasing the thickness will affect the flexibility of leg movement. And when the human body falls, the leg belt often bears most of the weight of the body, and the thin edge of the safety belt has the risk of lacerating the soft tissue of the body. UTILITY MODEL CONTENTS

[0006] In order to overcome the prior art high-altitude operation safety belt air bag opening not timely, and the air bag cannot provide buffering and protection for the legs under the premise of ensuring the flexibility of the legs. One purpose of the utility model lies in providing a sandwich buffer structure of safety clothes, by setting a flat air bag in the leg belt sandwich, setting a carbon dioxide cylinder for inflating the air bag on the back, when the falling occurs, the hanging ring overcomes the elastic force of the tension spring to move to pierce the carbon dioxide cylinder to realize the inflation of the air bag, without personnel operation, the inflation of the air bag is automatically completed, the response speed is fast, and the safety is high.

[0007] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a sandwich buffer structure of safety clothes, including an air bag, the air bag is embedded in the leg belt of the safety clothes, a hanging ring is arranged on the back of the safety clothes and is used for connecting a safety rope, a mounting box is arranged on the back of the safety clothes and is located directly below the hanging ring, a connecting pipe is arranged in the mounting box, the connecting pipe is communicated with the air bag, a carbon dioxide cylinder is detachably connected in the connecting pipe, a pressure rod is rotatably connected to the upper part of the mounting box, wherein at least one pull rope is arranged between one end of the pressure rod and the hanging ring, the other end of the pressure rod can selectively pierce the carbon dioxide cylinder, a tension spring is arranged between the pressure rod and the mounting box, and the elastic force of the tension spring is used for moving the hanging ring downward.

[0008] Under normal conditions, the air bag is flat, the leg belt does not affect the movement of the legs, the elastic force of the tension spring pulls one end of the pressure rod, and the tension of the hanging ring is balanced, when the falling occurs, the elastic force of the hanging ring increases, the pressure rod moves to overcome the elastic force of the tension spring, and then pierces the carbon dioxide cylinder, the high-pressure gas fills the air bag to become a cylindrical shape instantaneously, the falling impact force is buffered, and the body is prevented from being injured.

[0009] Further, a box cover rotatably connected to the upper part of the mounting box is arranged, the connecting pipe is arranged on the box cover, a needle for piercing the carbon dioxide cylinder is slidably connected to the upper part of the connecting pipe, a spring is arranged between the needle and the connecting pipe, the elastic force of the spring is used for sliding the needle away from the carbon dioxide cylinder, and the other end of the pressure rod away from the tension spring can selectively abut against the upper end of the needle.

[0010] Preferably, at least one elastic clamping groove is arranged in the mounting box, and a replaceable carbon dioxide cylinder is detachably connected in the elastic clamping groove.

[0011] When the box belt is opened, the carbon dioxide cylinder is turned up, so that the carbon dioxide cylinder is convenient to replace, and the carbon dioxide cylinder in the mounting box is convenient to take.

[0012] Preferably, an observation window is arranged on the box cover; the observation window is opposite to each carbon dioxide cylinder.

[0013] Further, a connecting belt is arranged on the back of the safety clothes; two movable slots are horizontally arranged on the connecting belt; the hanging ring is longitudinally and slidingly connected in the movable slots.

[0014] Preferably, two pull ropes are arranged between the pressing rod and the hanging ring; the two pull ropes are respectively arranged on the left and right sides of the connecting belt.

[0015] When any of the pull ropes is pulled, the pressing rod is rotated to cause the carbon dioxide cylinder to be punctured, and various posture movements of the human body caused by vertical falling, tilting and falling can be quickly responded.

[0016] Specifically, a radial branch pipe is arranged on the outer wall of the connecting pipe and rotationally connected with the mounting box; the rotation axis of the connecting pipe is coaxially arranged with the rotation axis of the box cover; the radial branch pipe is in communication with the inside of the connecting pipe; and an air connecting pipe is arranged at the end of the radial branch pipe and in communication with the air bag.

[0017] Specifically, the leg belt is composed of two layers of fabric belts folded in half; the air bag is arranged between the two layers of fabric belts; a hose is respectively embedded between the back belt and the waist belt of the safety clothes; one end of the hose is in communication with the air connecting pipe, and the other end is in communication with the air bag; a one-way valve is arranged at the connection between the air bag and the hose; a safety valve is arranged on the air bag; and a manual deflation valve is arranged on the air bag.

[0018] Specifically, an outer thread is arranged on the bottle mouth of the carbon dioxide cylinder; an inner thread is arranged in the middle of the connecting pipe and threadedly connected with the outer thread; and a plurality of interval slots are uniformly distributed in the circumferential direction and arranged on the lower end of the connecting pipe.

[0019] The connecting pipe stabilizes the carbon dioxide cylinder, and the interval slots reduce the friction between the connecting pipe and the carbon dioxide cylinder, so that the connecting pipe is facilitated to rotate.

[0020] Specifically, a cover is threadedly connected with the upper end of the connecting pipe; and the insertion pin is axially and slidingly connected with the cover.

[0021] Compared with the prior art, the utility model has the beneficial effects that:

[0022] 1. The air bag is arranged in the leg belt interlayer of the safety clothes; in the normal state, the leg belt is flat and does not affect the flexible movement of the legs; in the instant of falling, the air bag is inflated to buffer the impact, the flat leg belt is inflated into a cylindrical shape, and the leg belt is prevented from hurting the body.

[0023] 2. At the moment of falling, the pulling force on the hanging ring increases, the pin pierces the carbon dioxide cylinder, the high-pressure gas fills the air bag instantaneously, without human operation, the response is timely and the safety is high; and the carbon dioxide cylinder is a mature product, low in cost and easy to obtain.

[0024] 3. Two pull ropes are connected to the two sides of the hanging ring, and when falling in various postures such as lateral tilting and falling, any pull rope is pulled to drive the rotation of the pressing rod, thereby inducing the carbon dioxide cylinder to inflate, the response is timely and the safety is high.

[0025] 4. The installation box is flatly arranged on the back of the safety clothes, has high integration and compact layout, does not affect the normal activities of the staff, the carbon dioxide cylinder is turned outward after the box is opened, replacement is facilitated, and a replacement cylinder is arranged in the installation box. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a structure schematic view in the application state of the utility model;

[0027] Figure 2 It is a structure schematic view of the utility model;

[0028] Figure 3 It is an exploded structure schematic view of parts of the utility model;

[0029] Figure 4 It is a cross-sectional structure schematic view of the utility model;

[0030] Figure 5 It is a structure schematic view of the installation box of the utility model;

[0031] Figure 6 It is a structure schematic view of the box cover of the utility model;

[0032] Figure 7 It is a structure schematic view of the hanging ring and the pressing rod of the utility model;

[0033] Figure 8 It is a structure schematic view of the connecting pipe and the pin of the utility model;

[0034] Figure 9 It is a cross-sectional structure schematic view of the leg belt of the utility model.

[0035] In the figure: 11, installation box; 111, knitted hole; 112, elastic clamping groove; 113, copper pipe; 114, through hole; 21, box cover; 211, observation window; 212, screw hole; 22, connecting pipe; 221, spacing groove; 222, radial branch pipe; 23, cover; 24, pin; 241, needle; 25, gas connecting pipe; 26, spring; 31, pressing rod; 32, tension spring; 41, hanging ring; 42, connecting belt; 421, movable through slot; 43, pull rope; 51, carbon dioxide gas cylinder; 61, woven tape; 62, air bag; 63, hose. DETAILED DESCRIPTION

[0036] In the following, the utility model will be further described in conjunction with the drawings and specific embodiments, it needs to be explained that, in the premise of not conflicting, the following description of each embodiment or each technical feature can be combined to form a new embodiment.

[0037] In the description of the utility model, it needs to be explained that, for the orientation words, such as the terms "center", "transverse", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and cannot be understood as limiting the specific protection scope of the utility model.

[0038] In addition, if the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the "first" and "second" features can be explicitly or implicitly included one or more features, and in the description of the utility model, the meaning of "several" is two or more than two, unless otherwise explicitly specified and limited.

[0039] In the utility model, except for another explicit provision and limitation, if the terms "set", "install" and the like are understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, it can be directly connected, or connected through an intermediate medium, or two elements can be connected internally. For ordinary skilled persons in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific situation.

[0040] Reference Figures 1-9The invention discloses a kind of sandwich buffer structure of safety clothes, including air bag 62, the air bag 62 is embedded in the leg band of safety clothes;Hanging ring 41, the hanging ring 41 is arranged in the back of safety clothes, for connecting safety rope;Mounting box 11, the mounting box 11 is arranged in the back of safety clothes, and it is located just below the hanging ring;Box cover 21, the upper portion of box cover 21 is rotatably connected with the mounting box 11;Connecting pipe 22, the connecting pipe 22 is arranged on the box cover 21;Carbon dioxide cylinder 51, the carbon dioxide cylinder 51 is detachably connected in the connecting pipe 22;Pressing rod 31, the middle part of pressing rod 31 is rotatably connected in the upper portion of mounting box 11.The carbon dioxide cylinder 51 is standard 12g or 16g specification.

[0041] The side wall of the box cover 21 is symmetrically provided with two screw holes 212;Two corresponding counterbores are provided on the mounting box 11;The countersunk screw is screwed on the screw hole 212 through the counterbores.

[0042] The outer wall of the connecting pipe 22 is symmetrically provided with two radial branch pipes 222 rotatably connected with the mounting box 11 respectively;The rotation axis of the connecting pipe 22 is coaxially arranged with the rotation axis of the box cover 21;The radial branch pipe 222 is in communication with the inside of the connecting pipe 22;The radial branch pipe 222 is provided with a gas connection pipe 25 at the end.

[0043] The leg band is composed of two layers of woven tape 61;The air bag 62 is arranged between the two layers of woven tape 61;The soft tube 63 is embedded between the back strap and the waist strap of the safety clothes respectively;Two perforations 114 for the soft tube 63 to pass through are provided on the inner bottom of the mounting box 11;One end of the soft tube 63 is in communication with the gas connection pipe 25, and the other end is in communication with the air bag 62;A one-way valve is provided at the connection between the air bag 62 and the soft tube 63;A safety valve is provided on the air bag 62;When the pressure of the air bag 62 is too large and there is a risk of explosion, the safety valve automatically opens to release pressure;A manual deflation valve is also provided on the air bag 62.

[0044] The upper end of the connecting pipe 22 is threadedly connected with a cover 23;A pin 24 is sealingly and slidably connected to the cover 23;A needle 241 is provided at the lower end of the pin 24;A shrinkage is provided at the upper end of the needle 241 to prevent the needle 241 from blocking the opening when inserted;A spring 26 is provided between the lower end of the pin 24 and the connecting pipe 22, and the elastic force of the spring 26 is used to make the pin 24 slide away from the carbon dioxide cylinder 51.

[0045] One end of the pressing rod 31 is located directly below the insertion needle 24; two tension springs 32 are arranged between the other end of the pressing rod 31 and the mounting box 11; the elastic force of the tension springs 32 is used for rotating the pressing rod away from the insertion needle 24; two pull ropes 43 are arranged between the end of the pressing rod 31 close to the tension springs 32 and the hanging ring; two copper pipes 113 are arranged on the upper portion of the mounting box 11; the pull ropes 43 pass through the copper pipes 113.

[0046] The back of the safety clothes is provided with a connecting belt 42; two ends of the active through grooves 421 are horizontally arranged on the connecting belt 42; the hanging ring 41 is longitudinally and slidingly connected in the active through grooves 421; two pull ropes 43 are respectively located on the left and right sides of the connecting belt 42.

[0047] Two elastic clamping grooves 112 are arranged in the mounting box 11; the replaceable carbon dioxide gas cylinders 51 are detachably connected in the elastic clamping grooves 112; an observation window 211 is arranged on the box cover 21; the observation window 211 is opposite to each carbon dioxide gas cylinder 51; an extension plate is arranged on the bottom of the mounting box 11; a plurality of knitted holes 111 are uniformly distributed on the extension plate; the mounting box 11 is sewn on the safety clothes through the knitted holes 111.

[0048] The bottle opening of the carbon dioxide gas cylinder 51 is provided with external threads; the middle portion of the connecting pipe 22 is provided with internal threads which are threadedly connected with the external threads; the lower end of the connecting pipe 22 is provided with a plurality of circumferentially and uniformly distributed interval grooves 221.

[0049] Working process: when the high-altitude falling occurs, the tension on the hanging ring 41 increases, the pressing rod 31 overcomes the elastic force of the spring 26 and rotates, the pressing rod 31 rotates and presses the insertion needle 24, the needle head 241 pierces the carbon dioxide gas cylinder 51, the high-pressure gas enters the air bag 62 instantaneously, the impact of the falling is buffered, and the flat leg belt is supported to be cylindrical, so that the soft tissue is prevented from being injured.

[0050] Replacing the gas cylinder: the manual gas valve is opened, the gas in the air bag 62 is squeezed out, the box cover 21 is turned up, the carbon dioxide gas cylinder 51 in the connecting pipe 22 is unscrewed, the intact carbon dioxide gas cylinder 51 in the mounting box 11 is screwed into the connecting pipe 22, and the box cover 21 is covered again.

[0051] The above only describes the specific embodiments of the utility model, but the technical features of the utility model are not limited to this, any person skilled in the art makes changes or modifications in the field of the utility model, which are all covered in the patent range of the utility model.

Claims

1. A layered cushioning structure for a safety vest, characterized in that: It includes airbags, which are embedded in the leg straps of the safety vest; A hanging loop is located on the back of the safety vest for attaching a safety rope; a mounting box is located on the back of the safety vest and directly below the hanging loop. A connecting tube is disposed within the mounting box and communicates with the airbag; a carbon dioxide cylinder is detachably connected within the connecting tube; a pressure rod is rotatably connected at its middle portion to the upper part of the mounting box; wherein, at least one pull rope is provided between one end of the pressure rod and the hanging ring, and the other end of the pressure rod can selectively puncture the carbon dioxide cylinder; a tension spring is provided between the pressure rod and the mounting box, and the elastic force of the tension spring is used to move the hanging ring downward.

2. The buffer structure as described in claim 1, characterized in that: The device includes a cover that is rotatably connected to the mounting box at the top; a connecting tube is disposed on the cover; a needle for puncturing the carbon dioxide cylinder is slidably connected to the upper part of the connecting tube; a spring is disposed between the needle and the connecting tube, and the spring force is used to make the needle slide away from the carbon dioxide cylinder; the end of the pressure rod away from the tension spring can optionally abut against the upper end of the needle.

3. The buffer structure as described in claim 2, characterized in that: The mounting box is provided with at least one elastic slot; a replacement carbon dioxide cylinder is detachably connected to the elastic slot.

4. The buffer structure as described in claim 3, characterized in that: The lid of the box is provided with an observation window; the observation window is directly opposite each of the carbon dioxide cylinders.

5. The buffer structure as described in any one of claims 1-4, characterized in that: The safety vest has a connecting strap on the back; the connecting strap has a horizontally extending slot at both ends; the hanging ring is slidably connected to the slot longitudinally.

6. The buffer structure as described in claim 5, characterized in that: Two pull ropes are provided between the pressure bar and the hanging ring; the two pull ropes are located on the left and right sides of the connecting belt, respectively.

7. The buffer structure as described in any one of claims 2-4, characterized in that: The outer wall of the connecting pipe is provided with a radial branch pipe that is rotatably connected to the mounting box; the rotation axis of the connecting pipe is coaxial with the rotation axis of the box cover; the radial branch pipe is in communication with the interior of the connecting pipe; and an air inlet pipe that is in communication with the airbag is provided at the end of the radial branch pipe.

8. The buffer structure as described in claim 7, characterized in that: The leg straps are composed of two layers of folded webbing; the airbag is located between the two layers of webbing; a flexible tube is embedded between the back straps and waist belt of the safety vest; one end of the flexible tube is connected to the air inlet tube, and the other end is connected to the airbag; a one-way valve is provided at the connection between the airbag and the flexible tube; a safety valve is provided on the airbag; and a manual deflation valve is provided on the airbag.

9. The buffer structure as described in any one of claims 1-4, characterized in that: The carbon dioxide cylinder has an external thread at its opening; the connecting pipe has an internal thread in its middle section that is threaded to the external thread; and the lower end of the connecting pipe has multiple evenly distributed circumferential grooves.

10. The buffer structure as described in any one of claims 2-4, characterized in that: The upper end of the connecting tube is threaded with a cap; the pin is axially and slidably connected to the cap.

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