CN2418032Y

CN2418032Y - Head structure of inflating device capable of automatically matching valve port

Info

Publication number: CN2418032Y
Application number: CN 00209670
Authority: CN
Inventors: 王罗平
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-04-19
Filing date: 2000-04-19
Publication date: 2001-02-07
Anticipated expiration: 2010-04-19

Abstract

The utility model relates to a head structure of an inflating device capable of automatically matching a valve nozzle, which is provided with a containing chamber. One end of the containing chamber is open, and is pivoted with a trigger piece, and the other end of the containing chamber is provided with a joint sleeve port. An elastic joint component is matched with the joint sleeve port by a major diameter end of a through hole like a fish eye. An extrusion piece contacts the joint component, and is provided with a containing hole. A pushing element and a contact valve rod are arranged in the containing hole. When in use, the American style nozzle contacts the through hole of the joint component. The pushing element is contacted and moved by swinging the trigger piece, and the extrusion piece is moved. The joint component is deformed by compression, and is tightly contacted with the valve nozzle; the valve nozzle is opened by the contacting of the bias arm of the pushing element of the contact valve rod. When the valve nozzle is drawn out, the pushing element and the contact valve rod are respectively reset by the elastic element and a magnetic force assembly.

Description

Gas filled device head configuration that can automatic corresponding valve nozzle pattern

The utility model is relevant with gas filled device, particularly is subjected to the gas filled device head configuration of inflatable substrate valve nozzle pattern about a kind of correspondence automatically.

The valve nozzle of bicycle tire etc. is commonly called as American mouth or two kinds of main patterns of French mouth, progressive at present gas filled device has at head and two kinds of valve joints is set to be suitable for aforementioned two kinds of valve nozzles, precisely because Deng still needing the user to select voluntarily in response to the valve nozzle pattern to insert mouthful or do to dial and change change action, inconvenience also uses in.

Main purpose of the present utility model is promptly providing a kind of gas filled device head configuration that can automatic corresponding valve nozzle pattern, and it can be applicable to American and the French valve nozzle simultaneously, and can the correct start of automatic corresponding valve nozzle pattern, need not the user and does in response to selection.

Take off purpose for before reaching, the utility model provides can automatic corresponding valve nozzle pattern the gas filled device head configuration include: a housing, have a microscler room, this room one end is open, the other end is provided with a lug mouth, has an admission port on the wall; One elasticity rank is closed member, is located in this room should lug mouth one end, has one by to should recessed hole, big footpath, lug mouth place, and one is through to the path hole of opposite side by this inner, hole, big footpath; One extrusion, generally be microscler, be placed in the room of this housing, the inner is butted on this elasticity rank and closes member, can be along major axis to the displacement of limited ground, have one run through major axis to the appearance hole and at least onely be communicated to the air extractor vent in this appearance hole by outer peripheral face, have urgent guiding incline on the wall in this appearance hole towards the extrusion outer end; One first attracts part, is located at the inner place of nearly this extrusion; One supports valve rod, be placed in the appearance hole of this extrusion, can be along major axis to the displacement of limited ground, its shaft be provided with one can with this first attract that part mat magnetic force attracts each other second attract part, make to being positioned this under the valve rod normality two to attract part to be on the attached outstanding position of adsorbed state; One forcing piece, generally be microscler, be placed in the appearance hole of this extrusion, the outer end position approximate is in this extrusion outer end, can do limited displacement to relative this extrusion along major axis, can hold the spatial accommodation that this supports valve rod from this forcing piece the inner toward being recessed one, the wall of this spatial accommodation has some cracks on one's body and forms some inclined to one side arms of scratching, when relative this extrusion of forcing piece is moved to inner terminal, the inclined to one side arm of this iso-deflection can be scratched toward in partially along compeling guiding incline, and can suppress the position and support valve rod being somebody's turn to do of aforementioned attached outstanding position; One return springs is located in the appearance hole of this extrusion, and two ends are butted on this extrusion and this forcing piece respectively, with the extreme direction pushing and pressing outward of this forcing piece; One trigger piece, be hubbed on this housing to should place, room open end and retaining be pressed on this forcing piece, can between a standby position and a use location, pivot, when transferring this use location to by this standby position, this forcing piece can be moved a preset distance toward interior supporting, and afore-mentioned distance is the movable distance greater than relative this extrusion of this forcing piece.

Wherein this first attraction part is the ring flat-plate shape, and pressurized is sandwiched in this extrusion and this elasticity rank is closed between the member, and it is bored a hole to holding in the mouth the path hole of closing member; It is block that this second attraction part is ring, is nested in this and supports on the valve rod, and external diameter is greater than the internal diameter of this first attraction part; Should stitch to the air drain that valve rod is provided with vertically; The inclined to one side arm of scratching of this forcing piece is scratched and can be suppressed should support valve rod on this of position in aforementioned attached outstanding position when inclined to one side and second attract part.

Wherein this first attraction part is a magnet, and this second attraction part is the iron class.

Wherein to close member be by a soft big ring piece, a hard ring flat-plate to this elasticity rank and one soft little ring piece is superimposed constitutes, and internal diameter that wherein should big ring piece and external diameter are all greater than this little ring piece; This extrusion is that cover is butted on this little ring piece.

Wherein place, nearly outer end is formed with ring-type shoulder face on the appearance wall surface of the hole of this extrusion, and the top of this forcing piece is formed with a ring flange, can support terminating on this ring-type shoulder face.

Wherein this return springs is a coil spring, and this forcing piece of ring set.

For further specifying structure of the present utility model and feature, after lifting a preferred embodiment now and cooperating graphic being described in more detail in, wherein:

Fig. 1, Fig. 2 are the action scheme drawing of the utility model one preferred embodiment when being used in American valve nozzle; And

Fig. 3, Fig. 4 are the action scheme drawing of the utility model one preferred embodiment when being used in the French valve nozzle.

See also Fig. 1, the gas filled device head configuration of this preferred embodiment includes:

One housing 10, the end cap 13 that the stack shell 12 and that is intercalated in pipe shaft 11 front ends by a pipe shaft 11, is screwed together in stack shell 12 bottoms is constituted, and is provided with the open cylindrical cell 14 in a top in the stack shell 12, and end cap 13 centers provide a lug mouth 15; Present embodiment is to be applied to the hand-held Floor Pump, housing 10 is socketed on the earthen pipe 5 (perhaps housing in addition mat flexible pipe be connected to Floor Pump or air pump and be applied to other gas filled device) of Floor Pump with pipe shaft 11, and giving vent to anger of gas filled device is to flow into rooms 14 by a check (non-return) valve 16 by an admission port 17;

One elasticity rank is closed member 20, be placed in this room 14 bottoms, in present embodiment is big ring piece 21, one a little ring piece 22 that is all soft rubber by material, and constitute between hard ring flat-plate 23 of this 21,22 of piece of two rings, the three be overlapped into two sections cylindric, and form a hole, big footpath 24 that is recessed into from the bottom surface, and the path hole 25 to end face is passed through, American mouth and thinner French mouth that the aperture in this hole, big footpath 24 and path hole 25 is corresponding thicker respectively in 24 the inners, hole, an arrogant footpath; Elasticity of the present utility model rank is closed member and also can be directly gone out aforementioned shapes so that rubber is one-body molded;

One first attracts part 30, is a magnet, be ring flat-plate shape that should little ring piece 22 inside and outside footpaths, and be to be stacked and placed on rank to close member 20 end faces;

One extrusion 40, general cylindrical and have one and run through axial appearance hole 41, be to be placed in this room 14, displacement vertically, its bottom cover is butted on this rank and closes member 20 and first and attract on the part 30, and the top position approximate is on room 14 tops, proximal portion circle Shu Youyi seal ring 42 on the outer peripheral face; The hole wall bottom side in this appearance hole 41 is formed with the urgent guiding incline 43 toward the center declivity from perisporium, and the hole wall top side is formed with ring-type shoulder face 44; One air extractor vent 45 is connected to holding hole 41 by extrusion 40 outer peripheral faces;

One supports valve rod 50, be placed in the appearance hole 41 of extrusion 40, displacement vertically, shaft one side is provided with air drain seam 51, be nested with the second block attraction part 60 of a ring on the shaft, can attract each other with these first attraction part, 30 mat magnetic force, first, second attracts

part

30,60 to be respectively magnet and iron (interchangeable, as also to can be two magnet that polarity cooperates) in the present embodiment; Attract fastening of part 60 by second, support that valve rod 50 is unlikely deviates from housing 10;

One forcing piece 70, general cylindrical and have one from the bottom surface recessed spatial accommodation 71, be 41 top sides, appearance hole that are placed in extrusion 40, displacement vertically, its top position approximate is in holding 41 tops, hole, and the bottom position approximate is in these urgent guiding incline 43 places, proximal portion circle Shu Youyi seal ring 72 on the outer peripheral face, top is formed with a ring flange 73, can be limited to the ring-type shoulder face 44 of extrusion 40; The tubular wall of forcing piece 70 has some from the crack 74 that root edge up extends on one's body, make tube wall form some flexibles inclined to one side scratch inclined to one side arm 75;

One return springs 80 is coil spring, and appearance hole 41 interior also ring set forcing piece 70, two ends that are placed in extrusion 40 are butted on extrusion 40 and forcing piece 70 respectively;

One trigger piece 90, mat one pivot pin 91 is hubbed at stack shell 12 tops of housing 10 and retaining and is pressed on the forcing piece 70 that (annotate: this pivot pin 91 passes the pipe shaft 11 protruding walls 111 and stack shell 12 double walls 121 of housing 10 simultaneously, make pipe shaft 11 and stack shell 12 fixed location), trigger piece 90 can pivot between the use location of the standby position of Fig. 1 and Fig. 2, when pulling toward the use location, forcing piece 70 down can be compressed by aforementioned standby position.

This gas filled device head configuration to make flowing mode as follows:

At ordinary times, as shown in Figure 1, elasticity rank is closed member 20 and is the normality shape and extrusion 40 holders are supportted in top dead point (extrusion 40 tops are subjected to room 14 wall tops one fixture block, 18 blocks), forcing piece 70 is subjected to return springs 80 pushing tows to be positioned at top dead point, and 44 in the face of ring-type shoulder of its ring flange 73 and extrusion 40 is possessed spacing; Supporting valve rod 50 is subjected to first to attract part 30 absorption to be fixed in the attached outstanding position shown in the figure because of second on the shaft attracts part 60.

During use, contain the valve nozzle that overlaps object to be inflatable with the lug mouth 15 of housing 10, if thicker American mouth, then as shown in Figure 1, valve nozzle 6 can support and terminate in 24 the inners, hole, big footpath that rank is closed member 20; When pulling trigger piece 90 toward the use location, originally, forcing piece 70 direct pressurizeds support and move down, and during to the nadir of extrusion 40 relatively (flange 73 supports and shoulder face 44), forcing piece 70 is compeled guiding inclines 43 along work and scratched inclined to one side the compacting on the second attraction part 60 toward in because of scratching inclined to one side arm 75; Now, the forcing piece 70 meeting interlock extrusions 40 that the continuation pressurized supports reach to valve rod 50 and move down synchronously, when trigger piece 90 reaches the use location, as shown in Figure 2, elasticity rank closes that member 20 is squeezed part 40 extruding and elasticity is flat contracts, partly hold the valve nozzle tightly in mouth 6 with hole,

big footpath

24,6 of valve nozzles are subjected to be spacious logical state to its air valve rod 7 of valve rod 50 perverse pressures.After the giving vent to anger of gas filled device enters room 14, flow into by the air extractor vent 45 of extrusion 40 and to hold holes 41, pass again to the air drain seam 51 of valve rod 50 and pour in the valve nozzle 6.After trigger piece 90 turned back standby position, extrusion 40 and forcing piece 70 can be subjected to the elasticity rank to close member 20 respectively and return springs 80 is supported back original position.

See also Fig. 3,4, if be used in thinner French mouth, then valve nozzle 8 can penetrate the path hole 25 that rank is closed member 20, will be to valve rod 50 prominent spatial accommodation 71 inner terminals (Fig. 3) that are pushed into forcing piece 70, the switching trigger piece is after 90s, elasticity rank is closed member 20 deformation in compressions and is partly held the valve nozzle tightly in mouth 8 with path hole 25, and forcing piece 70 changes when moving down with its top and urges to valve rod 50, makes valve nozzle 8 be subjected to support valve rod 50 and compresses its air valve and hold in both hands 9 and be the spacious constitution diagram 4 that leads to.After valve nozzle 8 detaches, support second on the valve rod 50 and attract part 60 and first to attract part 30 to attract each other, make to valve rod 50 and return aforementioned attached outstanding position.

So, no matter the valve nozzle of object to be inflatable is American or the French mouth, and the utility model all directly contains cover with its unique lug mouth, and need not to dial to change and switch, and can put on the air behind the switching handle, and is comparatively convenient in the use.

Claims

One kind can automatic corresponding valve nozzle pattern the gas filled device head configuration, it is characterized in that, include:

One housing has a microscler room, and this room one end is open, and the other end is provided with a lug mouth, has an admission port on the wall;

One elasticity rank is closed member, is located in this room should lug mouth one end, has one by to should recessed hole, big footpath, lug mouth place, and one is through to the path hole of opposite side by this inner, hole, big footpath;

One extrusion, generally be microscler, be placed in the room of this housing, the inner is butted on this elasticity rank and closes member, have one run through major axis to the appearance hole and at least onely be communicated to the air extractor vent in this appearance hole by outer peripheral face, have urgent guiding incline on the wall in this appearance hole towards the extrusion outer end;

One first attracts part, is located at the inner place of nearly this extrusion;

One supports valve rod, be placed in the appearance hole of this extrusion, its shaft be provided with one can with this first attract that part mat magnetic force attracts each other second attract part;

One forcing piece, generally be microscler, be placed in the appearance hole of this extrusion, the outer end position approximate is in this extrusion outer end, can hold the spatial accommodation that this supports valve rod from this forcing piece the inner toward being recessed one, the wall of this spatial accommodation has some cracks on one's body and forms some inclined to one side arms of scratching;

One return springs is located in the appearance hole of this extrusion; And

One trigger piece, be hubbed on this housing to should place, room open end and retaining be pressed on this forcing piece.
2. gas filled device head configuration that can automatic corresponding valve nozzle pattern according to claim 1, it is characterized in that, wherein this first attraction part is the ring flat-plate shape, and pressurized is sandwiched in this extrusion and this elasticity rank is closed between the member, and it is bored a hole to holding in the mouth the path hole of closing member; It is block that this second attraction part is ring, is nested in this and supports on the valve rod, and external diameter is greater than the internal diameter of this first attraction part; Should stitch to the air drain that valve rod is provided with vertically.
3. gas filled device head configuration that can automatic corresponding valve nozzle pattern according to claim 1 and 2 is characterized in that, wherein this first to attract part be magnet, second to attract part be the iron class for this.
4. gas filled device head configuration that can automatic corresponding valve nozzle pattern according to claim 1, it is characterized in that, wherein to close member be by a soft big ring piece, a hard ring flat-plate to this elasticity rank and one soft little ring piece is superimposed constitutes, and internal diameter that wherein should big ring piece and external diameter are all greater than this little ring piece; This extrusion is that cover is butted on this little ring piece.
5. gas filled device head configuration that can automatic corresponding valve nozzle pattern according to claim 1 is characterized in that, wherein place, nearly outer end is formed with ring-type shoulder face on the appearance wall surface of the hole of this extrusion, and the top of this forcing piece is formed with a ring flange.
6. gas filled device head configuration that can automatic corresponding valve nozzle pattern according to claim 1 is characterized in that wherein this return springs is a coil spring, and this forcing piece of ring set.