CN2134510Y - Air pump - Google Patents

Abstract

The utility model relates to an air pump which is an improvement on the basis of the simple potable compression pump which specially inflates to air inflation game equipment made of plastic (rubber). The air pump provides a structure with a double valve body, which has the functions of air charging, air exhausting and control. The mode of the air guiding of the compression barrel including air charging, air exhausting and air stopping adopts the way of providing valves. In addition, the air pump can necessarily match with an upper air guiding gun pipe to replenish to the air inflation game equipment; the double valve body is arranged on the upper edge of the compression barrel, and the direction of the valve body is changeable by withdrawing the valve body.

Description

Air pump

The utility model relates to a kind of air type pump.

Known to investigation, the general common on the market simple type air pump that can be used for a small amount of gas perfusion, only have at the bottom of being located at compression cylinder (on) suction port and the design of air guide gun barrel of portion, wherein suction port mainly be used in air pump compression cylinder when lower compression, be responsible for will extraneous gas introducing in the tube oppositely importing in the equipment of desire inflation for the air guide gun barrel; Yet, the mode of this kind guide has several the defectives that are difficult to overcome, its (1) defective is: this suction port of being responsible for introducing gas can have restriction to a certain degree because of the size of compression cylinder design, naturally the gas that can introduce just seems quite limited its moment, relatively also can produce to a certain degree delay for the speed of perfusion.And its (2) defective just is: the air pump of the simple and easy kenel of this kind there is no the control valve design, so that when the equipment aeration is acquired a certain degree, promptly can be circulated to the caused suction of stretched condition because of compression cylinder, to reverberate in the equipment gas inside and oppositely suck back in the compression cylinder, cause must the considerable time of cost and energy could be with the equipment filling to nearly saturation state.This kind conventional design also has a not very too serious defective in addition, promptly the habitual air pump of this kind designs because of no control valve, so it is not using but must carry in order to frequently palpus the time, must prevent that the heavy pressure of weight is in order to avoid make the spring of its compression cylinder inside lose effectiveness because of elastic fatigue in the course of time, just in case if when having these things to take place but to need urgent need, then will make us worried unavoidably or feel sorry.

Main purpose of the present utility model is to overcome the above-mentioned defective of existing in prior technology and a kind of air type pump is provided, and refers to a kind of double valve body design with changeable type especially, to lead the air type pump of the turnover of controlling pump gas.

Another purpose of the present utility model is to provide a kind of air type pump, and this pump utilizes a kind of gas of air guide gun barrel so that pump is produced with different bores, fills in the gas-filled type equipment of various different bores.

A purpose more of the present utility model is to provide a kind of air type pump, utilizes the seat ear of pump seat lid and the belt that two ends have corresponding clasp, is placed on the pump and is easy to carry about with one.

Be a kind of air type pump of realizing that the purpose of this utility model proposes, this pump includes: a compression cylinder reaches by double valve body that first valve body and second valve body constituted and last flap, descends main members such as flap, belt and air guide gun barrel; Wherein, compression cylinder is the made compressible Zhe formula bellows of soft materials, slightly there is a square position portion its upper end than narrow the contracing in bottom, and tube portion top center place is provided with an air intake with the ccontaining film sheet that is attached to hollow seat of honour bolt, this air intake is one can be relative with last flap central authorities set several inlet holes, and its dish portion periphery has a side grain in addition, then be provided with two tube portion gas ports on the tangent plane and can overlap the set flap gas port of last flap avris that is placed on square position portion with correspondence, and can be inserted in by a sleeve pipe respectively and increase first valve body that correspondence inserts and the adaptation between second valve body and gas port, and can connect an air guide gun barrel respectively, the gun barrel below is connected with a Colaesce band and a Taper Pipe; Below compression cylinder inside, then be equipped with a spring, both ends of the spring is respectively to collude in the protuberance periphery of seat of honour bolt and a following bolt and suffer restraints, following seat bolt bottom is close to down on the flap, and the flap periphery is equipped with the symmetrical seat ear and wears for corresponding public hook that is provided with and box ring on the belt and collude extension; It is characterized in that: respectively be provided with a valve block in this double valve body that is constituted by first valve body and second valve body, and the bolt of any its valve body of conversion of visual behaviour in service, conjugation tube orientation, and then can change the interior valve block folding direction of its valve body, thereby lead the air inlet of control compression cylinder gas, exhaust and end gas.

For the ease of understanding advantage of the present utility model and structure characteristic, below in conjunction with accompanying drawing it is carried out carefully detailed explanation, wherein:

Fig. 1 is the three-dimensional exploded view of the utility model air type pump;

Fig. 2 is the stereogram of the utility model air type pump;

Fig. 3 leads, arranges action schematic representation (A), (B), (C) for the valve body of the utility model air type pump according to the various differences of different operating direction generation;

Fig. 4 is the portable embodiment of the utility model air type pump.

Air type pump of the present utility model is to mould (rubber) glue system gas-filled type and travel improved on the simple and easy portable compression type pump foundation of equipment inflation a kind of aiming at, it is made of a compression cylinder 1, first valve body 2, second valve body 3, last flap 4, following flap 5, belt 6 and air guide gun barrel 7, sees also Figure 1 and Figure 2 stereogram and exploded view thereof; Wherein, compression cylinder 1 is the compressible Zhe formula bellows of being made by soft materials, slightly there is a square position portion 11 its upper end than narrow the contracing in bottom, 11 central authorities of square position portion are installed with an air intake 112 with ccontaining film sheet 14 and hollow seat of honour bolt 13, and make several set inlet holes 41 of itself and last flap 4 central authorities relative, and its dish portion periphery has a side grain, then be provided with two tube portion gas ports 111 on the tangent plane and can overlap the set flap gas port 42 of last flap 4 avris that is placed on square position portion 11 with correspondence, and can be inserted in by a sleeve pipe 31 respectively and increase first valve body 2 that correspondence inserts and the adaptation between second valve body 3 and gas port, its bolt of any conversion of the visual behaviour in service of double valve body that this is made of first valve body 2 and second valve body 3, conjugation tube 22,23 orientation, and can connect an air guide gun barrel 7 respectively, the gun barrel below is connected with a Colaesce band 71 and a Taper Pipe 72; In addition, below compression cylinder 1, then be equipped with a spring 12, spring 12 two ends are respectively to collude in the protuberance periphery of a seat of honour bolt 13 and a following bolt 15 and be restricted in, following seat bolt 5 bottoms are close to down on the flap 5, and the flap periphery is equipped with symmetrical seat ear 51 and wears for public hook 61 corresponding on the belt 6 and box ring 62 and collude extension (carrying).

In above-mentioned structure is described, mainly be to cooperate the inlet and outlet action schematic representation of the valve body according to the different direction setting shown in Figure 3 that the utility model feature is done the explanation that an essence is wanted, the F role of delegate force direction that is indicated among each figure, F ' is reaction force that spring produced, and a then represents the gas that sucks and discharge respectively with a '.At first, please refer to the valve event schematic representation of compression exhaust shown in Fig. 3 (A), when the utility model in conjunction with forming state as shown in Figure 1 and making first valve body 2 wherein respectively and the bolt on second valve body 3 closes that pipe 22 is oppositely with conjugation tube 23 and when putting, if it is bestowed just like the power of directive effect shown in arrow F, then one of them valve block 21 or 32 of first valve body 2 or second valve body 3 will outwards be backed down and be presented the apperance of exhaust, another valve block 32 or 21 then closes the inside result of pipe because of the valve body bolt, makes it only can serve as the role of antiseepage at this moment.In other words, if the bolt of first valve body 2 is closed pipe 22 storing directions towards compression cylinder 1 foreign side, and the bolt of second valve body 3 closes pipe in tube, then the action of first valve body 2 when compression compression cylinder 1 is external exhaust, and it discharges the source of gas, then coming from several set inlet holes 41 of flap 4 tops utilizes when compressing, the gas a of compression cylinder 1 outside is incorporated in a ' in the compression cylinder 1, and the valve block 32 of another valve body this moment (i.e. second valve body 3) will be the reverse osmosis of closed form when preventing to inflate; In like manner, if the bolt of second valve body 3 is closed pipe towards compression cylinder 1 foreign side, and it is outside to make the bolt of first valve body 2 close pipe 22, and then the action of exhaust will change by second valve body 3 and serve as, then the change to action of stopping leak of the valve block 21 of first valve body 2; When carrying out above-mentioned action, spring 12 by compression directed force F compressing and sink, and upper and lower seat bolt 13,15 mainly provides the location of spring 12 to make it can slippage, on the other hand, because of seat of honour bolt 13 imports compression cylinder 1 for hollow shape can cooperate several inlet holes 41 on the flap 4 with extraneous gas a, and before gas a enters compression cylinder 1, will urge the film sheet 14 that is attached on the seat of honour bolt 13, make and move back under it separately and expose breach and enter by gas a and accumulate and become a '.

Please cooperate and consult shown in Fig. 3 (B), if directed force F is removed, then spring 12 will produce a reaction force F ' at once and make compression cylinder 1 bounce-back rising.This moment, the bolt at above-mentioned first body 2 closed pipe 22 under the situation of compression cylinder 1 foreign side, then the direction because of its valve body setting makes its valve block 21 only can't be produced any action by card, and second valve body 3 at the same time closes pipe inwardly because of bolt, make its valve block 32 can produce the transformation of a tin internal air pressure by the strength that draws high of compression cylinder 1 inner spring 12, cause its valve block to be pushed and suck air this moment.And if aforementioned these the two kinds of double valve body characteristicses of integrated use, then can the row's of acceleration (filling) gas and air-breathing carrying out.

Can push away according to reason, when the bolt of double valve body of the present utility model setting closes pipe, be in towards compression cylinder 1 inner or outside simultaneously, then when the while is outside, its valve block will be ended by card and have the effect that resistance is let out, and make behind the inlet hole 41 introducing gas as of compression cylinder 1 by last flap 4, its gas a ' maintenances in the compression cylinder that lodges in 1 fill, even impose again big directed force F this moment, compression cylinder 1 is sunk and discharge gas, please refer to shown in Fig. 3 (c).Use this specific character, then when pump does not use, can preserve, follow the string to avoid spring 12 prolonged pressures with this kind kenel.Relative, if what make that bolt closes pipe is provided with direction in compression cylinder 1, then can be varied to pattern with two relief openings, cause it gas a to be imported by several inlet holes 41 of last stopper 4, and gas is derived filling by these two valve bodies, also be exactly pump this moment, can cooperate two air guide gun barrels 7 simultaneously and (rubber) the glue system of the moulding gas-filled type equipment of two different need filling gases is inflated.The bolt that its air guide gun barrel 7 one ends can be sleeved on the double valve body closes on pipe or the conjugation tube, and its other end then is furnished with a Taper Pipe 72 that links to each other with Colaesce band 71, this Taper Pipe 72 be use into can with the fit of its conduit own can be to the filling equipment inflation of different bores.In addition, be easy to carry about with one, designed one especially and can pass down flap 5 both sides seat ears 51 and the belt 6 of button hook, pump is easy to carry about with one or carries extension, see also shown in 4 for making the utility model air type pump.

Claims (1)

1, a kind of air type pump, this pump includes: a compression cylinder reaches by double valve body that first valve body and second valve body constituted and last flap, descends main members such as flap, belt and air guide gun barrel; Wherein, compression cylinder is the made compressible Zhe formula bellows of soft materials, slightly there is a square position portion its upper end than narrow the contracing in bottom, and tube portion top center place is provided with an air intake with the ccontaining film sheet that is attached to hollow seat of honour bolt, this air intake is one can be relative with last flap central authorities set several inlet holes, and its dish portion periphery has a side grain in addition, then be provided with two tube portion gas ports on the tangent plane and can overlap the set flap gas port of last flap avris that is placed on square position portion with correspondence, and can be inserted in by a sleeve pipe respectively and increase first valve body that correspondence inserts and the adaptation between second valve body and gas port, and can connect an air guide gun barrel respectively, the gun barrel below is connected with a Colaesce band and a Taper Pipe; Below compression cylinder inside, then be equipped with a spring, both ends of the spring is respectively to collude in the protuberance periphery of seat of honour bolt and a following bolt and suffer restraints, following seat bolt bottom is close to down on the flap, and the flap periphery is equipped with the symmetrical seat ear and wears for corresponding public hook that is provided with and box ring on the belt and collude extension; It is characterized in that: respectively be provided with a valve block in this double valve body that is constituted by first valve body and second valve body, and the bolt of any its valve body of conversion of visual behaviour in service, conjugation tube orientation, and then can change the interior valve block folding direction of its valve body, thereby lead the air inlet of control compression cylinder gas, exhaust and end gas.

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