But a kind of air-cushion shoulder belt of pressure regulation
Technical field:
The utility model relates to the shoulder belt technical field, but refers in particular to a kind of air-cushion shoulder belt of pressure regulation.
Background technology:
Knapsack more and more is subjected to using widely in our daily life, no matter go to school or travel or climb the mountain, we can use knapsack in the activity such as the commerce and trade of going out.Traditional knapsack is often only paid attention to the functional of its loading, design or when buying more considerations be knapsack what sacks are arranged, can adorn how many things or outward appearance OK see or the like, but seldom go to take into account the comfort type and the security of knapsack.
In the middle of our traditional custom, we always like as much as possible and adorn thing in knapsacks, and in the use of reality, because health is subjected to long excess load and bears, a plurality of positions such as the shoulder of our health, waist, neck and back tend to be subjected to strain in various degree.If can not get for a long time improving then can cause irremediable injury to our health.Therefore people wish to have a kind of knapsack more comfortable, that can reduce as far as possible again simultaneously the human body infringement to occur.
At present, filler in the knapsack shoulder belt on the market generally adopts the foaming cotton material to make, shoulder belt in use, owing to the reason of bearing a heavy burden, the position that makes shoulder belt contact with shoulder caves inward and is out of shape, because the uncomfortable shoulder belt of distortion, therefore, the frequent way of user is the knapsack that more renews.Only because the local deformation of shoulder belt, and change brand-new knapsack, caused the wasting of resources, disagree with existing society practising strict economy of being advocated.
In order to address the above problem, also there is the people on the basis of existing knapsack, to be provided with buffer unit, such as on the back of knapsack or shoulder belt, being provided with air cushion, but air cushion air pressure size is invariable, influenced its buffering effect and its comfortableness of bringing, nor can be flexibly come the air pressure of knapsack air cushion is regulated flexibly in good time according to the heavy burden of knapsack reality.
The utility model content:
The purpose of this utility model is at the deficiencies in the prior art, but and provides a kind of air-cushion shoulder belt of pressure regulation.
For achieving the above object, the utility model adopts following technical scheme:
But a kind of air-cushion shoulder belt of pressure regulation, the aerating device that comprises the shoulder belt back pad that adjustable solar term are pressed and be used for inflating to described shoulder belt back pad, described shoulder belt back pad comprises shoulder belt and the inflatable air cushion that adjustable solar term are pressed; Described aerating device includes moving cylinder, described moving cylinder comprises cylinder body, cylinder upper cover and air bag post, and described cylinder body one side offers guide groove, and described air bag post places in the described cylinder body, described cylinder upper cover places in the described cylinder body, and is fastened on described air bag post;
The inlet end of described air bag post and gas transmission end are respectively arranged with breather check valve and gas transmission check valve;
Described inflatable air cushion is connected with described gas transmission check valve by a connecting pipe, and described shoulder belt back pad is provided with the vent valve that is connected with described shoulder belt back pad inside.
Preferably, described aerating device also comprises a support, is respectively arranged with two moving cylinders on the two stands bar of described support, and two moving cylinders of the same side are vertical setting.
Above, described aerating device also comprises a spring, described spring housing is connected to described air bag outer surface of column, and places in the described cylinder body.
Preferably, described vent valve is arranged on the shoulder belt of described shoulder belt back pad.
Preferably select, described breather check valve and gas transmission check valve embed the inlet end and the gas transmission end of described air bag post respectively.
Preferably, described vent valve comprises base, spool and the spring of making of the soft plastic material, described susceptor surface is one-body molded projection, described base is provided with the through hole that passes for described spool, the diameter of described spool stage casing part is less than the diameter at two ends, the internal diameter of described through hole is less than the external diameter at described spool both ends, and the internal diameter of described through hole divides external diameter greater than described spool center section part; Described spring housing is located at the stage casing of described spool, and places in the described projection, and described spool passes the through hole of described base.
Preferably, described cylinder upper cover is provided with clasp nail, and described clasp nail is perpendicular to the perpendicular at described cylinder upper cover place, and is preferred, and described clasp nail is made up of nail post and ailhead, and described ailhead is sphere-like, cubic or cylindric.
Preferably, described gas transmission check valve and be provided with an airbag cover between described communicating pipe, described gas transmission check valve one end is inserted in the cavity of described airbag cover one end, and the described airbag cover other end inserted in described communicating pipe; Described shoulder belt back pad is provided with connector, and this connector and described shoulder belt back pad connect as one, and, this connector and described shoulder belt back pad internal communication, this connector other end inserts described communicating pipe, and with described communicating pipe tight fit.
The utility model beneficial effect is: when the utility model uses, the backboard of aerating device and knapsack is flexibly connected, when the weight of bag increases the weight of, bag is because the effect meeting of gravity spurs the cylinder upper cover extruding gasbag post of aerating device by backboard, the air bag post is pressed into gas in the inflatable air cushion and shoulder belt that shoulder belt filled up by gas transmission check valve and pipeline, the air pressure of inflatable air cushion and shoulder belt is increased, increase along with bag weight, the air pressure of inflatable air cushion and shoulder belt increases, therefore, the air pressure of inflatable air cushion and shoulder belt can be regulated automatically according to the weight of bag; When the weight of bag reduces, when if the user feels that the air pressure of inflatable air cushion and shoulder belt is excessive, can exit by the vent valve on the shoulder belt, the shoulder belt back pad soft or hard degree of guaranteeing user's knapsack is the most suitable user's needs, thereby make that user's shoulder is more comfortable, the injury that when also effectively having avoided using knapsack health has been caused; Owing to use for a long time, when the shoulder belt local dent occurring owing to air pressure is not enough, the user spurs knapsack and can inflate by the air cushion in shoulder belt, makes shoulder belt recover the state of expansion, and need not change shoulder belt, economizes on resources when shoulder belt.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the decomposing schematic representation of air bag post of the present utility model;
Fig. 3 is the structural representation of moving cylinder of the present utility model;
Fig. 4 is the decomposing schematic representation of moving cylinder of the present utility model;
Fig. 5 is the structural representation of the vent valve of the utility model embodiment;
Fig. 6 is the decomposing schematic representation of the vent valve of the utility model embodiment;
Fig. 7 is the structural representation that the utility model is provided with four moving cylinders;
The structural representation that Fig. 8 the utility model is connected with bag;
The decomposing schematic representation of Fig. 9 the utility model and bag;
In Fig. 1 to Fig. 9:
Bag 1
Shoulder belt back pad 2, shoulder belt 21, inflatable air cushion 22 backboards 3, button hole 31
Aerating device 4, support 41, moving cylinder 42, cylinder body 421, cylinder upper cover 422, air bag post 423, spring 424, guide groove 4211 breather check valves 5, gas transmission check valve 6, communicating pipes 7 vent valve 8, base 81, spool 82, spring 83, projection 84, through hole 85 clasp nails 9, nail post 91, ailhead 92 airbag cover 10, connector 11
The specific embodiment:
Below in conjunction with accompanying drawing the utility model is done further to describe:
Embodiment 1
See Fig. 1 to Fig. 7, but a kind of air-cushion shoulder belt of pressure regulation, the aerating device 4 that comprises the shoulder belt back pad 2 that adjustable solar term are pressed and be used for inflating to described shoulder belt back pad 2, described shoulder belt back pad 2 comprises shoulder belt 21 and the inflatable air cushion 22 that adjustable solar term are pressed; Described aerating device 4 includes moving cylinder 42, described moving cylinder 42 comprises cylinder body 421, cylinder upper cover 422 and air bag post 423, described cylinder body 421 1 sides offer guide groove 4211, described air bag post 423 places in the described cylinder body 421, described cylinder upper cover 422 places in the described cylinder body 421, and is fastened on described air bag post 423;
The inlet end of described air bag post 423 and gas transmission end are respectively arranged with breather check valve 5 and gas transmission check valve 6;
Described inflatable air cushion 22 is connected with described gas transmission check valve 6 by a connecting pipe 7, and described shoulder belt back pad 2 is provided with the vent valve 8 that is connected with described shoulder belt back pad 2 inside.
Preferably, see Fig. 7, described aerating device 4 also comprises a support 41, be respectively arranged with two moving cylinders 42 on the two stands bar of described support 41, two moving cylinders 42 of the same side are vertical setting, and four moving cylinders 42 are simultaneously to 2 inflations of shoulder belt back pad, and aeration speed is fast.
Above, see Fig. 4, described aerating device 4 also comprises a spring 424, described spring 424 is socketed on described air bag post 423 outer surfaces, and places in the described cylinder body 421, the effect that described spring 424 can play buffering and reset.
Preferably, see Fig. 1, described vent valve 8 is arranged on the shoulder belt 21 of described shoulder belt back pad 2, when people when using knapsack, if when the air pressure of sensation shoulder belt back pad 2 is excessive, can raises one's hand and on shoulder belt 21, push vent valve 8, the air pressure that can regulate shoulder belt back pad 2 is to suitable size, and is easy to adjust.
Preferably, see Fig. 1 to 6, described breather check valve 5 and gas transmission check valve 6 embed the inlet end and the gas transmission end of described air bag post 423 respectively, and this project organization is simple, and, make that the outward appearance of air bag post 423 is more attractive in appearance.In order to make gas transmission check valve 6 tightr with being connected of communicating pipe 7, be provided with an airbag cover 10 at gas transmission check valve 6 and between communicating pipe 7, gas transmission check valve 6 one ends are inserted in the cavity of airbag cover 10 1 ends, airbag cover 10 other ends inserted in communicating pipe 7, gas transmission check valve 6 is with airbag cover 10, airbag cover 10 and all guarantee communicating pipe 7 to be tightly connected, and phenomenon can not leak air; In order to guarantee that communicating pipe 7 is connected tightr with shoulder belt back pad 2, one connector 11 can be set on shoulder belt back pad 2, this connector 11 connects as one with shoulder belt back pad 2, and, this connector 11 and shoulder belt back pad 2 internal communication, these connector 11 other ends insert communicating pipe 7, and with communicating pipes 7 tight fit, communicating pipe 7 simultaneously, has also guaranteed the sealing that is connected with shoulder belt back pad 2 communicating pipe 7 by connector 11 and shoulder belt back pad 2 internal communication.
Preferably, see Fig. 5,6, described vent valve 8 comprises base 81, spool 82 and the spring of making of the soft plastic material 83, spool 82 adopts metal material to make, described base 81 surfaces are one-body molded protruding 84, described base 81 is provided with the through hole 85 that passes for described spool 82, the diameter of described spool 82 stage casing parts is less than the diameter at two ends, the internal diameter of described through hole 85 is less than the external diameter at described spool 82 both ends, described spring 83 is sheathed on the stage casing of described spool 82, and place in described protruding 84, described spool 82 passes the through hole 85 of described base 81.Because the internal diameter of described through hole 85 is less than the external diameter at described spool 82 both ends, the internal diameter of described through hole 85 divides external diameter greater than described spool 82 center section parts; Pass the through hole 85 of base 81 when spool 82 after, the both ends of spool 82 are with the both sides sealing of through hole 85, make the gas in the shoulder belt back pad 2 can not leak, when needing venting, firmly press the outer end of bottom spool 82, spool 82 moves inward, and forms the passage that loses heart between spool 82 stage casing parts and the described through hole 85, and the gas in the shoulder belt back pad 2 is discharged by above-mentioned disappointing passage; After unclamping hand, spool 82 resets under the effect of spring 83, and the both ends of spool 82 make to such an extent that shoulder belt back pad 2 interior gases can not leak once more with the both sides sealing of through hole 85.
Preferably, see Fig. 3,4,9, described cylinder upper cover 422 is provided with clasp nail 9, described clasp nail 9 is perpendicular to the perpendicular at described cylinder upper cover 422 places, described clasp nail 9 is made up of nail post 91 and ailhead 92, and ailhead 92 is connected with nail post 91, and ailhead 92 is bigger than nail post 91, making that ailhead 92 fastens in the described button hole 31 not can slippage, and described ailhead 92 is sphere-like, cubic, cylindric and other different shape.
See Fig. 1 to 9, when the utility model uses, aerating device 4 of the present utility model is installed on the bag 1, concrete installation method is as follows, described bag 1 back side is equipped with backboard 3, offers button hole 31 on the described backboard 3, and the clasp nail 9 of described cylinder upper cover 422 inserts in the described button hole 31.Because backboard 3 is fixedlyed connected with bag 1, support 41 is fixedlyed connected with shoulder belt back pad 2, when needs during to shoulder belt back pad 2 inflation, tearing bag 1 with hand moves down, bag 1 can drive backboard 3 and move down, backboard 3 moves down, can drive clasp nail 9 moves down, and then drive cylinder upper cover 422 downward extruding gasbag posts 423, be positioned at the valve open of the gas transmission check valve 6 of air bag post 423 gas transmission ends, gas is finished once inflation by charging in the shoulder belt back pad 2 gas transmission check valve 6 and communicating pipe 7; At this moment, ambient pressure is positioned at the valve open of the breather check valve 5 of air bag post 423 inlet ends greater than the air pressure in the air bag post 423, and ambient atmos replenishes and enters in the air bag post 423, prepares inflation next time; And, when cylinder upper cover 422 resets under the effect of spring 424, because the existence of gas transmission check valve 6 makes that the gas in the shoulder belt back pad 2 can not pass through can not influence the inflation effect in the communicating pipes 7 refluence air inlet capsule post 423; If people think that shoulder belt back pad 2 internal gas pressures are excessive, can only exit by the vent valve 8 that is arranged on the shoulder belt back pad 2, and then the air pressure size in the adjusting shoulder belt back pad 2.
In the use of reality, various bags 1 and user can be felt comfortable shoulder belt back pad 2 arbitrary combination,, prolong service life of the present utility model to have satisfied user's various demand, thereby reduced use cost, also saved social resources.
In the production of reality, adjustable inflatable air cushion 22 on the shoulder belt back pad 2 is arranged in the shoulder belt back pad 2 with dismountable form, when inflatable air cushion 22 leaks gas or can not inflate, inflatable air cushion 22 can be disassembled and change new inflatable air cushion 22, save social resources.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, its framework form can be flexible and changeable, can the subseries product.Just make some simple deduction or replace, all should be considered as belonging to the scope of patent protection that the utility model is determined by claims of being submitted to.