CN108185543A

CN108185543A - Trousers

Info

Publication number: CN108185543A
Application number: CN201810021006.5A
Authority: CN
Inventors: 不公告发明人
Original assignee: Nanan Hong Quan Incubation Management Co Ltd
Current assignee: Nanan Hong Quan Incubation Management Co Ltd
Priority date: 2016-08-30
Filing date: 2016-08-30
Publication date: 2018-06-22
Also published as: CN106136365B; CN108030161A; CN108552637A; CN108030162A; CN108078033A; CN106136365A

Abstract

The present invention relates to a kind of trousers.The trousers include trousers main body, the annular elastic band being set in the trousers main body and lifesaving external member, the lifesaving external member includes expansion band and the pressurized tank being set in the expansion band, the expansion is formed with the annular space of closing with inside, and the pressurized tank is set in the annular space.Wherein, the expansion band includes expansion tube, reinforced pipe and permeability cell, the annular space is formed with inside the expansion tube, the reinforced pipe is set to inside the expansion tube, breathable mesh is offered on the reinforced pipe, the permeability cell is set to inside the reinforced pipe, and the pressurized tank is contained in the permeability cell.The trousers can reduce the generation of drowned accident and the expansion band is not easy to be broken through.

Description

Trousers

The application be application No. is：201610773319.7 the applying date：On 08 30th, 2016, entitled " trousers The divisional application of the patent of invention of son ".

Technical field

The present invention relates to a kind of trousers.

Background technology

With the arrival in summer, weather is more and more warmmer, even extremely hot unbearable.In order to avoid heat, swim into the master in summer The recreation wanted.Swimming pool, sea ice outdoor bathing place, reservoir even field pool etc. is all the Swimming pool of people.However, for For failing to see aqueous or burst disease people, drowned danger can usually occur.

Invention content

Based on this, it is necessary to provide a kind of trousers that can reduce drowned accident generation.

A kind of trousers, including：Trousers main body, the annular elastic band being set in the trousers main body and lifesaving external member, it is described Lifesaving external member includes expansion band and the pressurized tank being set in the expansion band, and it is elastic that the expansion band is set to the annular It takes and the internal annular space for being formed with closing, the pressurized tank is set in the annular space, the pressurized tank includes The housing of tubular and the closure member being set on the housing, contain in the housing liquid gas and offer with it is described The opening of annular space connection, the closure member are fixed in the opening to close the housing, and the closure member is used for The opening is opened when being pulled out, the liquid gas in the housing is released in the annular space and passes through the liquid Changing the gasification of gas makes the expansion band expansion form buoyancy circle；

Wherein, the expansion band includes expansion tube, reinforced pipe and permeability cell, and the ring is formed with inside the expansion tube Shape space, the reinforced pipe are set to inside the expansion tube, and breathable mesh is offered on the reinforced pipe, and the permeability cell is set It is placed in inside the reinforced pipe, the pressurized tank is contained in the permeability cell.

In a wherein embodiment, the closure member is corresponded on the outer surface of the expansion tube and is provided with identification piece.

In a wherein embodiment, the identification piece is annular, has red coatings on the identification piece.

In a wherein embodiment, the thickness of the identification piece is more than the wall thickness of the expansion tube.

In a wherein embodiment, the identification piece is provided with warning around host cavity is formed in the host cavity Portion.

In a wherein embodiment, it is provided on the side wall of the host cavity and is embedded slot, the periphery of the warning part It is embedded at described be embedded in slot.

In a wherein embodiment, the host cavity is oval chamber, and the warning part is oval sheet body.

Since closure member extraction can be discharged liquid gas, so as to expansion band be made to be expanded into buoyancy using liquid gas Circle, the buoyancy of virtue of buoyancy circle can assist swimmer to float, therefore can reduce the generation of drowned accident.

Since pressurized tank is set in permeability cell, when liquid gas escapes the pressurized tank, can impact first ventilative Pipe and reinforced pipe, speed can slow down, and finally contacted again with the inner wall of expansion tube and make expansion tube bulging and expand, therefore avoid Impact when liquid gas escapes to expansion tube, further ensures that expansion tube is not broken through.

Description of the drawings

Fig. 1 is the stereoscopic schematic diagram of the trousers of one embodiment of the invention；

Fig. 2 is the trigger assembly of an embodiment and the sectional view of pressurized tank；

Fig. 3 is the expansion band of an embodiment and the diagrammatic cross-section of pressurized tank；

Fig. 4 is the identification piece of an embodiment and the partial schematic diagram for expanding band；

Fig. 5 is the identification piece of an embodiment and the partial sectional view for expanding band；

Fig. 6 is the floor map for reeling component of an embodiment；

Fig. 7 is the sectional view of the pocket component of an embodiment；And

Fig. 8 is the sectional view of the instruction component of an embodiment.

Specific embodiment

In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings to the present invention Specific embodiment be described in detail.Many details are elaborated in the following description in order to fully understand this hair It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not Similar improvement is done in the case of violating intension of the present invention, therefore the present invention is not limited to the specific embodiments disclosed below.

The present invention relates to a kind of trousers, the trousers include：Trousers main body, the annular elastic band being set in the trousers main body And lifesaving external member, the lifesaving external member include expansion band and the pressurized tank being set in the expansion band, the expansion band It is set on the annular elastic band and the internal annular space for being formed with closing, the pressurized tank is set to the annular space In, the housing of the pressurized tank including tubular and the closure member being set on the housing contain liquefaction in the housing Gas simultaneously offers the opening connected with the annular space, and the closure member is fixed in the opening to close the shell Liquid gas in the housing is released to the ring by body, the closure member for opening the opening when being pulled out The expansion band expansion is made to form buoyancy circle in shape space and by the gasification of the liquid gas；Wherein, the expansion band packet Expansion tube, reinforced pipe and permeability cell are included, the annular space is formed with inside the expansion tube, the reinforced pipe is set to institute It states inside expansion tube, breathable mesh is offered on the reinforced pipe, the permeability cell is set to inside the reinforced pipe, the pressure Power tank is contained in the permeability cell.It is swollen so as to be made using liquid gas since closure member extraction can be discharged liquid gas Expansible band is expanded into buoyancy circle, and the buoyancy of virtue of buoyancy circle can assist swimmer to float, therefore can reduce the hair of drowned accident It is raw.

It please refers to Fig.1 to Fig.3, the present invention relates to a kind of trousers 100, the trousers 100 include：

Trousers main body 10, the annular elastic band 11 being set in the trousers main body 10 and lifesaving external member 20, the lifesaving casing Part 20 includes expansion band 21 and the pressurized tank 23 being set in the expansion band 21, and the expansion band 21 is set to the annular On elastic band 11 and the internal annular space 211 for being formed with closing, the pressurized tank 23 are set in the annular space 211, The housing 231 of the pressurized tank 23 including tubular and the closure member 233 being set on the housing 231, in the housing 231 It contains liquid gas and offers the opening 2311 connected with the annular space 211, the closure member 233 is fixed on described To close the housing 231 in opening 2311, the closure member 233, will for opening the opening 2311 when being pulled out Liquid gas in the housing 231 is released in the annular space 211 and is made by the gasification of the liquid gas described The expansion expansion of band 21 forms buoyancy circle.For the ease of extracting the closure member, for example, the expansion belt is flexible or flexible material Matter；For example, the expansion band is elastic expansion band or flexible expansion band, it is described to expand band when extracting the closure member Deformation, so that when extracting the closure member and after the extraction closure member breakage does not occur for the expansion band；Also, it is pulling out The expansion band expansion forms buoyancy circle after going out the closure member, described at this time to expand band part or all deform upon, interior Portion's volume increase.

Since the extraction of closure member 233 can be discharged liquid gas, so as to be expanded into using liquid gas by band 21 is expanded Buoyancy circle, the buoyancy of virtue of buoyancy circle can assist swimmer to float, therefore can reduce the generation of drowned accident.Due to human body Density and water density difference it is little, therefore swimmer, in the case where not struggling, a small amount of buoyancy can be floated on On the water surface.And the problems such as generally all putting on swimming trunks in water due to swimmer, will not leave behind, so as to The possibility that swimmer drowns enough is significantly reduced, improves the survival probability of swimmer；In addition it is also applied for excessive Everyday general purpose is made in water possible time or place, being capable of the timely and effective reply when occurring overboard dangerous.

It is appreciated that when not expanded due to expansion band 21, the position that can search out closure member 233 is held with a hand, firmly Closure member 233 can be extracted.Expansion tube 212 and protrusion are compressed for example, can be formed to compress end and compress end on closure member 233 Point, closure member 233 can be extracted by holding the protrusion part at this time.For example, the liquid gas can be liquefied butane or The gases such as person's liquid coal gas.

Also referring to Fig. 3, for example, for the ease of extracting closure member 233, trigger assembly 30 is further included.The triggering group Part 30 includes 31, two support columns 33 of fixing piece and catch bar 35, and the fixing piece 31 is set on the expansion band 21 simultaneously It is fixed on the housing 231 of the pressurized tank 23, described two support columns 33 are arranged at intervals on the housing 231, described to push away 35 one end of lever is arranged on the fixing piece 31, and the other end is fixed on the closure member 233, the middle part of the catch bar 35 It is rotatably dispose on described two support columns 33.By the one end for pressing the catch bar 35, you can make to push away using lever principle The other end of lever 35 extracts closure member 233 from pressurized tank 23, so that the extraction of closure member 233 is more convenient, energy Enough extraction closure members timely and effective when causing danger.

The catch bar 35 includes promote-side 351 and connecting pin 353 in itself both ends, and the connecting pin 353 is fixed In on the closure member 233, the promote-side 351 is arranged on the fixing piece 31.The promote-side 351 with described two Dagger 33 the distance between be more than the distance between the connecting pin 353 and described two support columns 33.Described two supports Pivot post 331 is provided between column 33, the catch bar 35 is rotationally sheathed in the pivot post 331.The fixing piece 31 Institute is fixedly installed on including annular solid 311 and the depressed body 313 being set in the middle part of the annular solid 311, the annular solid 311 It states on expansion band 21, the catch bar 35 is arranged in the depressed body 313.It offers and wears on the side wall of the depressed body 313 Apertured 3131, the catch bar 35 are arranged on the perforating 3131.For example, the circumferential surface of the catch bar 35 be attached at it is described On the medial surface of perforating 3131, so as to not easily cause the gas leakage in expansion band 21.The fixing piece 31 further includes rubber Portion 315, the rubber section 315 are set in the depressed body 313, and close the perforating 3131.Therefore, even if expansion band There is micro leakage in 21, rubber section 315 can also prevent gas from leaking out 21 outside of expansion band.The end of the catch bar 35 is supported It is held in the rubber section 315 and the rubber section 315 is made to be convexly equipped on the side wall of the depressed body 313.Due to promote-side 351 In depressed body 313, therefore it is not easy to touch promote-side 351 due to unexpected stress.Since rubber section 315 covers at promote-side On 351, so that the operating process of pressing promote-side 351 is more comfortable, also, rubber section 315 and skin contact, have one Fixed comfort is not easy to injure skin.

For example, in order to strengthen expanding the structural strength of band 21 to prevent the pressure of liquid gasification from breaking through the expansion band 21, Wherein described expansion band 21 includes expansion tube 212, reinforced pipe 213 and permeability cell 215, and the annular space 211 is formed in institute It states in expansion tube 212, the reinforced pipe 213 is set to inside the expansion tube 212, is offered on the reinforced pipe 213 ventilative Mesh 2131, the permeability cell 215 are set to inside the reinforced pipe 213, and the pressurized tank 23 is contained in the permeability cell 215 In.Since pressurized tank 23 is set in permeability cell 215, when liquid gas escapes the pressurized tank 23, can impact first Tracheae 215 and reinforced pipe 213, speed can slow down, and finally contacted again with the inner wall of expansion tube 212 and make 212 bulging of expansion tube simultaneously Expansion, therefore impact when liquid gas escapes to expansion tube 212 is avoided, it further ensures that expansion tube 212 is not broken through, makes It is safer, reliable to obtain the trousers.

For example, opening up multiple air holes on the permeability cell 215, the diameter of the air hole is more than the breathable mesh 2131 diameter, and the air hole shifts to install mutually with the breathable mesh 2131.Reinforcement is then further enhanced in this way Pipe 213 is to the cushioning effect of high pressure gas.

Also referring to Fig. 4 and Fig. 5, for example, in order to improve to 233 location identification of closure member, the expansion tube 212 The closure member 233 is corresponded on outer surface and is provided with identification piece 216.The identification piece 216 is annular, on the identification piece 216 There are red coatings 2161.The thickness of the identification piece 216 is more than the wall thickness of the expansion tube 212.The identification piece 216 surrounds shape Into host cavity 2163, warning part 217 is provided in the host cavity 2163.It is provided with and is embedded on the side wall of the host cavity 2163 Slot 2165, the periphery of the warning part 217 are embedded at described be embedded in slot 2165.The host cavity 2163 be oval chamber, institute It is oval sheet body to state warning part 217.By the red coatings 2161 on identification piece 216, identification can be improved.

For example, in order to alleviate impact of the liquid gas in gasification, wherein the expansion band 21 is adjacent to the closing The position of part 233 is formed with thickening layer.Also referring to Fig. 6, for example, in order to adjust the tightness of annular elastic band 11, with The people of different building shape is suitble to wear, further includes and reels component 40.The component 40 that reels includes wrap 41 and press part 43, 11 part of the annular elastic band is arranged in the wrap 41, and the press part 43 is installed on the wrap 41 and can Adjustably push against the annular elastic band 11 in the wrap 41.When annular elastic band 11 is long, by the way that part-toroidal is loose Taut band 11 is arranged in wrap 41 and is pushed against annular elastic band 11 using press part 43, then can adjust annular elastic band 11 It is whole to arrive suitable length, therefore the scope of application of the trousers 100 can be improved.

For example, the wrap 41 is annular, the press part 43 includes mounting portion 431 and deformation pressure section 433, institute It states mounting portion 431 to be fixed on the wrap 41, the deformation pressure section 433 is pressed on the annular elastic band 11.Example Such as, for the ease of realizing that flexibility compresses, the deformation pressure section 433 can be made of rubber material, or deformable Lead.The wrap 41 includes winding ring 411 and the connection strap 413 being set on the winding ring 411, the connection strap 413 are connected in the trousers main body 10.The mounting portion 431 of the press part 43 is fixed on the winding ring 411.The connection 413 one end of item is actively sheathed on the winding ring 411.The diameter of the connection strap 413 is along far from the winding ring 411 Direction gradually increases.

Also referring to Fig. 7, for example, in order to install the article played in article, such as water, such as hydraulic giant, waterproof jacket, also Including pocket component 50.The pocket component 50 is set in the trousers main body 10 and including accommodation bag 51 and obturator 53, Slit is offered in the trousers main body 10, the accommodation bag 51 is sutured on two edges of the slit, and the accommodation bag Equipped with opening portion, the obturator 53 include cooperate the first confining zone and the second confining zone, first confining zone and Second confining zone is relatively arranged on 51 inside of accommodation bag, for closing the accommodation bag 51.It can be accommodated in accommodation bag 51 Article, and the first confining zone and the cooperation of the second confining zone can close the opening portion of the accommodation bag 51, so that receiving The article held in bag 51 is not easy to lose.

Cohesive lousiness is both provided on first confining zone and second confining zone.It is viscous on first confining zone The density for tying lousiness is more than the density of the bonding lousiness on second confining zone.Bonding lousiness on first confining zone Highly it is less than the height of the bonding lousiness on second confining zone.The width of first confining zone and second confining zone Width it is equal.For example, first confining zone may be contained within the medium position of the accommodation bag with second confining zone, such as This is then formed with upper space and lower space in accommodation bag 51, to accommodate different articles.

Also referring to Fig. 8, for example, once expansion band 21 is made a mess of in use, drowning person sinks under water, at this time In order to recognize the position of drowning person, it can also include being set to the instruction component 60 of 10 rear side of trousers main body.The instruction component 60 Including stickers 61 and indicator 63, the indicator 63 is fixed on by the stickers 61 in the trousers main body 10, institute It states and index plane 631 is formed on indicator 63, fluorescence marker 65, the fluorescence marker are provided on the index plane 631 Upper 65 are provided with instruction salient point 651.Due to the setting of fluorescence marker 65, convenient for further recognizing the position of drowning person.

The fluorescence marker 65 is ellipse, the direction of the thickness of the fluorescence marker 65 from own edges to center It is gradually reduced.The instruction component 60 further includes pattern part 67, and the pattern part 67 is set to described adjacent to the indicator 63 In trousers main body 10.The pattern part 67 includes the attachment layer 671 being stacked and pattern layer 673, and the attachment layer 671 is fixed on In the trousers main body 10.The thickness of the pattern layer 673 is less than the thickness of the fluorescence marker 65.The fluorescence marker 65 Area be more than the pattern layer 673 area.

For example, in order to improve the comfort that wears of trousers, the trousers main body includes the base layers being cascading, centre Layer and waterproof layer.The base layers is close to the body skin for the person of wearing, it is therefore desirable to provide more comfortable sense of touch.In described Interbed is used to provide stronger wearability to protect internal base layers.Waterproof layer is for preventing trousers from largely absorbing water, so as to subtract The quality of light trousers, can also avoid trousers because of water suction and be close to skin, and then avoid the sense of discomfort generated.

For example, the base layers includes the component of following mass parts：25-30 parts of polyurethane fibre, 19-21 parts Cotton, 18-26 parts of polyamide fibre, 10-15 parts of nylon, 10-12 parts flax, 9-10 parts of terylene, 7-8 parts of silk, 6-9 parts Wool, 5-7 parts of polyester fiber and 3-5 parts of acetate fiber.Since polyurethane fibre elasticity therein is stronger, Therefore its elastic deformation is big, soft-touch, and high to the fitness of the human body of different building shape.In addition, base layers by using Polyurethane fibre, thus be not easy to be adhered on skin, to avoid the sense of discomfort of skin is caused, and since its is excellent Resistance to acid and alkali, sweat proof, sea water resistance, wearability so that the trousers are also applied for using in the seawater.

For example, the middle layer includes the component of following mass parts：32-33 parts of copper ammonia fiber, cotton, 20-23 parts of nitrile Synthetic fibre, 15-16 parts of fiber crops, 10-15 parts of spandex, 10-11 parts of wool, 9-10 parts of polypropylene fibre, 7-9 parts of polyvinyl chloride fibre, 6-7 parts viscous Glue, 5-7 parts of terylene, 4-6 parts of acetate fiber, 4-5 parts of polyamide fibre, 2-3 parts of metallic fiber and 1-2 parts of artificial silk and 1-2 parts of polytetrafluoroethylene (PTFE).Middle layer is by using larger amount of copper ammonia fiber, to provide stronger wearability so as to protect Internal base layers is worn.Simultaneously as middle layer is poor to the resistivity of the chlorine bleaches in swimming pool, need at this time The waterproof layer that be in outside provides insulating effect.

For example, the waterproof layer includes the component of following mass parts：20-30 parts of polytetrafluoroethylene (PTFE), 15-20 parts of Buddhist nun Dragon, 10-15 parts of polyurethane films, 10-12 parts of polyvinyl chloride, 9-11 parts of canvas, 8-9 parts of ox-hide and 8-9 parts of oxygen Change titanium nanoparticle.Waterproof layer by using polytetrafluoroethylene (PTFE), nylon and without hole polyurethane film and carry out it is appropriate Proportion design so that its waterproof effect obtains larger raising, and moisture can be effectively prevent to invade middle layer, and then avoid centre Layer is encroached on by chlorine bleaches.And Titanium dioxide nanoparticle therein is excited under light illumination by ultraviolet light, has stronger Photocatalysis and oxidative degradation characteristic, can cause trousers to be decomposed after swimming finishes to pollutant, therefore only need to dry To treat next swimming.

For example, in the environment such as field reservoir, since bacterium therein or mosquito etc. are more.In order to realize sterilization work( Energy, such as the trousers main body of the trousers can also include the stenlizing layer being set in the base layers, for bacterium to be avoided to invade Human body generates disease.For example, the stenlizing layer includes several storage bags, each storage bag houses one and contains bactericidal liquid and/or drive The soft utricule of worm liquid, storage bag have the utricule and aperture position for the grid that gathers, and soft utricule squeezes at aperture position is packed into institute Storage bag is stated, force racks soft utricule when needing to use, and bactericidal liquid therein and/or insect repellant solution is made to be dissipated from the grid of utricule .

For example, the stenlizing layer includes the component of following mass parts：20-30 parts of reed fiber, 15-20 parts of silkworm Silk, 15-17 parts of bast fibre spinning silk, 15-16 parts of cashmere, 12-15 parts of polypropylene fibre, 9-15 parts of acrylic fiber, 9-14 parts Cotton fiber, 8-12 parts of acetate fiber, 7-6 parts of fabric viscose glue, 6-8 parts of amine-oxides, 5-7 parts of motherwort, 5-6 parts of rabbit Hair, 4-7 parts of medical stone granule, 3-6 parts of tea powder, 3-4 parts of chrysanthemum powder, 2-3 parts of ground cinnamon and 2-3 parts of cloves Powder.Wherein described medical stone granule, tea powder, chrysanthemum powder, ground cinnamon and Ground Cloves are glued by using ultrasonic welding method It is connected in stenlizing layer.Due to including the sterilization component of certain mass in stenlizing layer, healthcare function and sterilization work(can be played Can, while can be therefore more comprehensive for certain positions of human body, such as the protection of wound location etc. with expelling mosquito.

For example, the trousers main body can also be provided with the protective layer of arc, the protective layer periphery in the base layers Paste section is provided with for being pasted on the privileged site of human body, such as wound location periphery.It is provided with and kills on the paste section Bacterium sheath.For example, in order to targetedly cover the stink of wound or certain privileged sites, the sterilization sheath includes following matter The component of amount point：20-25 parts of bast fibre spinning silk, 20-22 parts of cashmere, 21-23 parts of reed fiber, 15-21 parts of silkworm Silk, 10-13 parts of acrylic fiber, 9-13 parts of cotton fiber, 7-12 parts of acetate fiber, 6-9 parts of fabric viscose glue, 5-8 parts Amine-oxides, 5-7 parts of aromatic, 5-7 parts of motherwort, 5-6 parts of the rabbit hair, 4-6 parts of tea powder, 3-5 parts of chrysanthemum powder, 2-3 The ground cinnamon and 2-3 parts of Ground Cloves of part.As a result of aromatic, therefore while the wound location for protecting human body, Specific fragrance be can be sent out to cover stink.

What the technical characteristic intercombination that other embodiments of the invention further include in the various embodiments described above was formed can The technical solution of implementation.

Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention Protect range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims

1. a kind of trousers, which is characterized in that including：Trousers main body, the annular elastic band being set in the trousers main body and lifesaving External member, the lifesaving external member include expansion band and the pressurized tank being set in the expansion band.

2. trousers as described in claim 1, which is characterized in that the expansion band is set on the annular elastic band and internal The annular space of closing is formed with, the pressurized tank is set in the annular space, and the pressurized tank includes the housing of tubular And the closure member on the housing is set to, liquid gas is contained in the housing and is offered and annular space company Logical opening, the closure member are fixed in the opening to close the housing, and the closure member is used to open when being pulled out The opening is opened, the liquid gas in the housing is released in the annular space and passes through the gas of the liquid gas Change makes the expansion band expansion form buoyancy circle；

The expansion band includes expansion tube, reinforced pipe and permeability cell, and the annular space, institute are formed with inside the expansion tube It states reinforced pipe to be set to inside the expansion tube, breathable mesh is offered on the reinforced pipe, the permeability cell is set to described Inside reinforced pipe, the pressurized tank is contained in the permeability cell, and multiple air holes, the air hole are opened up on the permeability cell Diameter be more than the diameter of the breathable mesh, and the air hole shifts to install mutually with the breathable mesh.

3. trousers as described in claim 1, which is characterized in that the trousers further include trigger assembly, the trigger assembly packet Fixing piece, two support columns and catch bar are included, the fixing piece is set to the expansion and takes and be fixed on the pressurized tank Housing on, described two support columns are arranged at intervals on the housing, and described catch bar one end is arranged on the fixing piece, The other end is fixed on the closure member, is rotatably dispose in the middle part of the catch bar on described two support columns, the promotion Bar includes promote-side and connecting pin in itself both ends, and the connecting pin is fixed on the closure member, and the promote-side is worn On the fixing piece, the promote-side and described two support columns the distance between be more than the connecting pin and described two The distance between a support column, pivot post is provided between described two support columns, and the catch bar is rotationally sheathed on described In pivot post, the fixing piece includes annular solid and the depressed body being set in the middle part of the annular solid, the annular solid are fixed It is set to the expansion to take, the catch bar is arranged in the depressed body, is offered and is worn on the side wall of the depressed body Hole, the catch bar are arranged on the perforating, and the fixing piece further includes rubber section, and the rubber section is set to described recessed It falls on body, and closes the perforating, the end of the catch bar is held in the rubber section and makes the rubber section projection In on the side wall of the depressed body.

4. trousers as described in claim 1, which is characterized in that the closure member setting is corresponded on the outer surface of the expansion tube There is identification piece, the identification piece is annular, there are red coatings on the identification piece, and the thickness of the identification piece is more than the expansion The wall thickness of pipe, the identification piece are provided with warning part around forming host cavity in the host cavity, on the side wall of the host cavity Be provided with and be embedded slot, the periphery of the warning part be embedded at it is described be embedded in slot, the host cavity is oval chamber, the warning Portion is oval sheet body.

5. trousers as claimed in claim 2, which is characterized in that the position of the neighbouring closure member of expansion band is formed with increasing Thick-layer.

6. trousers as claimed in claim 2, which is characterized in that the liquid gas can be liquefied butane or liquid coal gas Wait gases.

7. trousers as described in claim 1, which is characterized in that the trousers main body can also include reeling component, for adjusting The tightness of the annular elastic band, is worn with the people for being suitble to different building shape.

8. trousers as described in claim 1, which is characterized in that the trousers main body can also include pocket component, for installing Article, the pocket component include accommodation bag and obturator.

9. trousers as described in claim 1, which is characterized in that the trousers main body can also include instruction component, for recognizing Indicate that component includes stickers, indicator and pattern part described in the position of drowning person.

10. trousers as described in claim 1, which is characterized in that the trousers main body can also include the patch being cascading Barrel layers, middle layer and waterproof layer；The trousers main body can also include the stenlizing layer being set in the base layers, for avoiding Bacterium intrusion human body generates disease；The trousers main body can also be provided with the protective layer of arc, the guarantor in the base layers Sheath periphery is provided with paste section for being pasted on the privileged site of human body, such as wound location periphery.