CN201007268Y

CN201007268Y - Charging connector suitable for double gas nozzle

Info

Publication number: CN201007268Y
Application number: CNU2007200035063U
Authority: CN
Inventors: 闫培博
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-02-08
Filing date: 2007-02-08
Publication date: 2008-01-16
Anticipated expiration: 2017-02-08

Abstract

The utility model relates to an aerating joint which can be applicable for the double air tap, mainly comprising a block body arranged inside an outer shell, wherein the upper part of the block body is provided with a first and a second flow passages; the first and the second flow passages are separately corresponded to a first and a second air outlet passages; the bottom of the block body is equipped with a guiding air hole communicated with an air inlet passage; an inner cavity of the block body is provided with a shunt valve chamber communicated with the first and the second flow passages and the guiding air hole; a change-over valve component is arranged inside the shunt valve chamber, and comprises a valve body and a movable valve core; an air passage is disposed inside the valve body, one end of the air passage is opposite to the movable valve core, and the other end is communicated with the first flow passage; and when the aerating joint doesn't work, the movable valve core is between the second flow passage and the air passage, and the air inlet passage is separately communicated with the air passage and the second flow passage. The utility model provides an inflator applicable for the air tap which can automatically switch two standards, the operation is easy, the structure is simple, and the cost is largely reduced.

Description

The gas-charging connection of applicable pair of valve

Technical field

The utility model is relevant with inflator, is specifically related to a kind of gas-charging connection that is suitable for two valves.

Background technique

The one-stroke with piston is the earliest inflated, and as for all inflating in the stroke of piston, again pump from unidirectional stroke inflate, two-way travel inflation goes so far as and can take into account inflation rate and the inflation effect gets pump, gas-charging connection only can be accepted machine-made valve usually, accept American valve as American joint, the French joint is accepted the French valve.In the recent period in order to improve the convenience in the use, and can make gas-charging connection have bigger extendibility, therefore on a gas-charging connection, be designed to accept two kinds of different valves, be generally American and French.

Convenient for the operator is used, so just the someone designs the pump that can utilize diverter switch to reach suitable different valves.The pump major part that wherein goes for two valve specifications is all utilized the conversion of " diverter switch ", or the switching mode of " rotation head " just can reach be suitable for different valve specifications pump (for example: ZL200420087899.7), above prior art and in manipulating, be easy to generate displacement between member and the valve even the phenomenon that comes off and cause the shortcoming of gas leakage, perhaps its structure is quite complicated, number of components is more (for example: ZL200420003820.8), perhaps need just can reach favorable effects, and cost is higher through another road formality.And the utility model designer is at the shortcoming of present manufacturing trend and trend and above-mentioned known inflator structure, and then design a kind of operation quite easily, different valves can automatically switch, the sealability height, member firmly is difficult for displacement and comes off, do not need to switch the structure of air flue through another road formality, the pump that is suitable for two valves that its structure is very simple, cost is very cheap is to improve all above-mentioned shortcomings.

The model utility content

The purpose of this utility model is to provide a kind of valve of the two kinds of specifications that can automatically switch, processing ease, sealability height, and member firmly is difficult for displacement and comes off, and its simple structure, drops to the pump that is suitable for two valves of cost greatly.

In order to achieve the above object, the utility model adopts following technical proposals:

The gas-charging connection of applicable pair of valve, it comprises: double air passage shell, body portion, switching part is characterized in that:

Block, be located in the body, this block top is provided with first, second runner, respectively corresponding first, second air outlet channel of described first, second runner, the block bottom is provided with the guiding pore that is connected with intake duct, and the block inner chamber is provided with the shunting valve chamber that connects with first, second runner, guiding pore;

The switching valve assembly, it is indoor to be located at diverter valve, and this switching valve assembly comprises valve body and movable valve core;

Be provided with air flue in the valve body, air flue one end is relative with movable valve core, and the other end communicates with first flow;

When gas-charging connection was not worked, movable valve core was between second runner and the air flue, and intake duct is connected with air flue, second runner respectively.

The center line of described guiding pore places on valve body and the movable valve core buckling surface A.

Described shunting valve chamber one side has opening.

Described valve body middle part is provided with a loop concave.

Described valve body two ends are provided with annular groove, and groove is provided with the O RunddichtringO.

Relative valve body one side of described movable valve core is provided with the projection that can insert in the air flue, and opposite side is relative with second runner, and the diameter of movable valve core is greater than second Flow diameter.

Described body portion is provided with intake duct and compactor, and compactor is provided with annular rubber ring with guiding pore connecting place.

One end of the movable valve core of described valve body fastening forms arc surface, and the arc surface of the relative valve body of movable valve core is provided with a tapering portion.

Described double air passage shell is provided with first air outlet channel and second air outlet channel, is provided with the urgent ring of tool elastic material in two air outlet channels.

Described switching part is connected with shell by engaging shrinkage pool, nose bar.

Advantage of the present utility model is as follows:

1, the utility model mainly adopts a valve body 19 that is fixed in the block 5 to fasten a movable valve core 20, when gas-charging connection is not worked, the center line of block 5 bottom-boot pores 15 places on valve body 19 and the movable valve core 20 buckling surface A, movable valve core 20 is between second runner 14 and the air flue 21, intake duct 6 is connected with air flue 21, second runner 14 simultaneously, can between first air outlet channel 10 and second air outlet channel 11, switching automatically in a flash of inflation, realize the function of two kinds of valve inflations; Simplifying, assemble fast by this, structure makes the operator can be applicable to the inflation of American and English valve arbitrarily, do not need the conversion through " reversing head " or " switching construction ", the utility model is designed the pump that is suitable for two valves that a kind of operation is quite easy, structure is very simple, cost is very cheap.

2, the utility model valve body middle part is provided with loop concave 22, when flowing out valve body, air-flow can flow to first air outlet channel 10 from 360 angles of spending of closed air chamber 28, all can finish inflation no matter the valve body of round barrel shape 19 rotates any angle, in gas replenishment process, be difficult for making air-flow to stop up like this.

3, the utility model valve body two ends are provided with annular groove 23, and groove 23 is provided with O RunddichtringO 24, and valve body 19 is fixed in the block 5, and member be difficult for to produce displacement even the phenomenon that comes off and cause gas leakage in manipulating.

4, movable valve core 20 relative valve body 19 1 sides of the utility model are provided with projection 26, and opposite side is relative with second runner 14, and diameter that should activity valve core 20 is greater than second runner, 14 diameters, and movable valve core 20 is during with valve body 19 fastenings, and protruding 26 place in the valve body air flue 21; The design of projection 26 is difficult for dislocation when movable valve core 20 is fastened with valve body 19, allow them fasten fully, intake duct 6 is connected with second air outlet channel 11, when movable valve core 20 separates with valve body 19, the diameter of this activity valve core 20 is greater than second runner, 14 diameters, make second runner, 14 complete closed, intake duct 6 is connected with first air outlet channel 10; More than design is difficult for producing displacement even the phenomenon that comes off and cause gas leakage between member and the valve during manipulating, and its structure is quite simplified and do not needed to pass through another road formality and just can finish switching, gas replenishment process, and cost is lower.

5, the utility model body portion is provided with intake duct 6 and compactor 7, and compactor 7 is provided with annular rubber ring 4 with guiding pore 15 connecting places, improves intake duct 6 and the sealing effect that guides pore 15.

6, be provided with the urgent ring 12 of tool elastic material in two air outlet channels of the utility model, when switching part 3 reverses the effect that makes urgent ring 12 can reach the tight valve of rank, during manipulating, be difficult for the generation displacement between member and the valve even the phenomenon that comes off and cause gas leakage.

7, an end of the movable valve core 20 of the utility model valve body 19 fastenings forms arc surface 25, and the arc surface 25 of movable valve core 20 relative valve bodies 19 is provided with tapering portion 27, when gas-charging connection is not worked, even movable valve core 20 fastens with valve body 19, still have the space between movable valve core 20 and the valve body 19, movable valve core 20 is between second runner 14 and the air flue 21, and intake duct 6 is connected with air flue 21, second runner 14 simultaneously; In gas-charging connection when work, make movable valve core 20 tapering portions, 27 distortion and form arc surface and valve body 19 and fasten closelyr owing to be subjected to pressure by air pressure, strengthens sealing effect, makes member be difficult for the generation displacement and the phenomenon that comes off and cause gas leakage.

8, opening 18 designs of the utility model shunting valve chamber 16 1 sides help installing and changing valve body 19 and movable valve core 20.

Generally speaking, the utility model is designed the pump that is suitable for two valves that a kind of operation is quite easy, structure is very simple, cost is very cheap.

Below in conjunction with accompanying drawing the utility model is described in further details.

Description of drawings

Fig. 1 is sectional view of the present utility model (original state);

Fig. 2 accepts the action diagram of analysing and observe of American valve air current flow for the utility model;

Fig. 3 accepts the action diagram of analysing and observe of English valve air current flow for the utility model.

Wherein: 1, shell; 2, body portion; 3, switching part; 4, annular rubber ring; 5, block; 6, intake duct; 7, compactor; 8, card and shrinkage pool; 9, nose bar; 10, first air outlet channel; 11, second air outlet channel; 12, the urgent ring of tool elastic material; 13, first flow; 14, second runner; 15, guiding pore; 16, shunting valve chamber; 17, switching valve assembly; 18, opening; 19, valve body; 20, movable valve core; 21, air flue; 22, loop concave; 23, annular groove; 24, O-ring seals; 25, arc surface; 26, projection; 27, tapering portion; 28, closed air chamber; A: valve body and movable valve core buckling surface; M: American valve; E: English valve.

Embodiment

Under the design philosophy of the utility model technique scheme, the utility model can have multiple, is illustrated below by specific embodiment.

Embodiment one

Referring to Fig. 1:

The gas-charging connection of a kind of applicable pair of valve of the utility model, it mainly includes: shell 1, this shell 1 top are provided with the urgent ring 12 that is provided with the tool elastic material in first

air outlet channel

10 and 11, two air outlet channels of second air outlet channel; When switching part 3 reverses the effect that makes urgent ring 12 can reach the tight valve of rank, during manipulating, be difficult for the generation displacement between member and the valve even the phenomenon that comes off and cause gas leakage.

Block 5 is located in the shell 1, and these block 5 tops are provided with first flow 13, second runner 14 corresponding first air outlet channel 10, second air outlet channel 11 respectively, and these block 5 bottoms are provided with the guiding pore 15 that is connected with intake duct 6; Shunting valve chamber 16 is located at block 5 inner chambers, and this diffluence room and first flow 13, second runner 14, guiding pore 15 connect;

Switching valve assembly 17, be located in the shunting valve chamber 16 and and be communicated with first air outlet channel 10 or second air outlet channel 11 in order to switch intake duct 6, this switching valve assembly 17 comprises valve body 19 and movable valve core 20, and block 5 one sides have opening 18, inserts movable valve core 20 and valve body 19 successively from opening 18; When gas-charging connection was not worked, the center line of guiding pore 15 placed on valve body 19 and the movable valve core 20 buckling surface A, and movable valve core 20 is between second runner 14 and the air flue 21, and intake duct 6 is connected with air flue 21, second runner 14 simultaneously; At can automatically switch in a flash first air outlet channel 10, second air outlet channel 11 of inflation, realize the function of two kinds of valve inflations, simplifying, assemble fast by this structure, structure makes the operator can be applicable to the inflation of American and English valve arbitrarily;

Valve body 19 is provided with air flue 21, air flue 21 1 ends with the guiding pore 15 communicate, the other end communicate with first flow 13 and be provided with loop concave 22, two ends are provided with annular groove 23, groove is provided with the O RunddichtringO; Adopt loop concave 22 designs to form closed air chamber 28, can be when air-flow flows out valve body 19 from arbitrarily angled first air outlet channel 10 that flow to of closed air chamber 28, no matter rotating any angle, the valve body of round barrel shape 19 all can finish inflation, in gas replenishment process, be difficult for making air-flow to stop up like this, adopt annular groove, 24 designs of O RunddichtringO, valve body 19 is fixed in the block 5, and member be difficult for to produce displacement even the phenomenon that comes off and cause gas leakage in manipulating.

Movable valve core 20 relative valve body 19 1 sides are provided with projection 26, and opposite side is relative with second runner 14, and diameter that should activity valve core 20 is greater than second runner, 14 diameters, and movable valve core 20 is during with valve body 19 fastenings, and protruding 26 place in valve body 19 air flues; The design of projection 26 is difficult for dislocation when movable valve core 20 is fastened with valve body 19, make them closed fully, intake duct 6 is connected with second air outlet channel 11, when movable valve core 20 separates with valve body 19, the diameter of this activity valve core 20 is greater than second runner, 14 diameters, make second runner, 14 complete closed, intake duct 6 is connected with first air outlet channel 10; More than design is difficult for producing displacement even the phenomenon that comes off and cause gas leakage between member and the valve during manipulating, and its structure is quite simplified and do not needed to pass through another road formality and just can finish switching, gas replenishment process, and cost is lower.

Body portion 2 is provided with intake duct 6 and compactor 7, and this compactor 7 is provided with annular rubber ring 4 with guiding pore 15 connecting places, can improve intake duct 6 and the sealing effect that guides pore 15; One switching part 3 is connected with body 1 by engaging shrinkage pool 8, nose bar 9.

Referring to Fig. 2:

Accept the action diagram of analysing and observe of American valve air current flow for the utility model, when the utility model desire during with the American valve M of filling, the operator need only undertake American valve with this first air outlet channel 10, when pulling switching part 3, the urgent ring 12 of elastic material of wherein having is receiving that extrusion expansion is with tightly the American valve of clamping, make American valve being subjected to clamping and not having the situation that gets loose or move and take place steadily, and must not utilize release of pressure to clamp valve in addition.Before inflation, this first air outlet channel 10 undertakes American valve M, the center line of guiding pore 15 places on valve body 19 and the movable valve core 20 buckling surface A, one end of the movable valve core 20 of valve body 19 fastenings forms arc surface 25, and the arc surface 25 of movable valve core 20 relative valve bodies 19 is provided with tapering portion 27, still have the space between movable valve core 20 and the valve body 19, movable valve core 20 is between second runner 14 and the air flue 21, and intake duct 6 is connected with air flue 21, second runner 14 simultaneously; In the moment of inflation, air-flow flows to second runner and air flue respectively after flowing into guiding pore 15; But after this because first air outlet channel 10 undertakes American valve M, be subjected to stream pressure, the pressure that first air outlet channel 10 and first flow are 13 is greater than the pressure of 14 of second air outlet channel 11 and second runners, so movable valve core 20 is separated by air pressure with valve body 19 and movable valve core 20 is close to less second runner 14 that leads to second air outlet channel 11 of pressure, movable valve core 20 diameters are greater than second runner, 14 diameters, second runner 14 is complete closed, thereby gas can be by intake duct 6, guiding pore 15, shunting valve chamber 16, air flue 21, first flow 13 and flowing in first air outlet channel 10, and flow among the American valve M, reach the function of automatic switchover runner and inflation.

Embodiment two

Referring to Fig. 3:

Accept the action diagram of analysing and observe of English valve air current flow for the utility model, present embodiment and embodiment's one difference is, when the utility model desire during with the English valve E of filling, the operator need only undertake English valve E with this second air outlet channel 11, pull switching part 3, in the moment of inflation, because of this second air outlet channel 11 undertakes English valve, when air-flow flows into guiding pore 15, owing to be subjected to stream pressure, the pressure that second air outlet channel 11 and second runner are 14 is greater than 13 pressure between first air outlet channel 10 and first flow, so this air pressure closely fastens the guiding and the valve body 19 of movable valve core 20 logical its projectioies 26, tapering portion 27 distortion of movable valve core 20 and the arc surface 25 of formation arc surface and valve body 19 fasten tightr, the less first flow 13 of pressure is complete closed, thereby gas can be by intake duct 6, guiding pore 15, shunting valve chamber 16, second runner 14 and flowing in second air outlet channel 11, and flow among the English valve E, reach the function of automatic switchover runner and inflation.

Should be noted that at last: above embodiment only is not intended to limit in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to the foregoing description, those of ordinary skill in the field are to be understood that: still can make amendment or be equal to replacement embodiment of the present utility model, and do not break away from any modification of the utility model spirit and scope or be equal to replacement, it all should be encompassed in the middle of the claim scope of the present utility model.

Claims

1. the gas-charging connection of applicable pair valve, it comprises: double air passage shell (1), body portion (2), switching part (3) is characterized in that:

Block (5), be located in the shell (1), this block top is provided with first flow (13), second runner (14), described first, second runner is corresponding first air outlet channel (10), second air outlet channel (11) respectively, block (5) bottom is provided with the guiding pore (15) that is connected with intake duct, and the block inner chamber is provided with the shunting valve chamber (16) that connects with first, second runner, guiding pore;

Switching valve assembly (17) is located in the shunting valve chamber (16), and this switching valve assembly comprises valve body (19) and movable valve core (20);

Be provided with air flue (21) in the valve body (19), air flue (21) one ends are relative with movable valve core (20), the other end communicate with first flow (13);

When gas-charging connection was not worked, movable valve core (20) was between second runner (14) and the air flue (21), and intake duct (6) is connected with air flue (21), second runner (14) simultaneously.

2. the gas-charging connection of applicable pair of valve as claimed in claim 1 is characterized in that: the center line of described guiding pore (15) places on valve body (19) and movable valve core (20) buckling surface (A).

3. the gas-charging connection of applicable pair of valve as claimed in claim 1 is characterized in that: described shunting valve chamber (16) one sides have opening (18).

4. the gas-charging connection of applicable pair of valve as claimed in claim 1 is characterized in that: described valve body middle part is provided with loop concave (22).

5. as the gas-charging connection of claim 1,4 described applicable pair of valves, it is characterized in that: described valve body two ends are provided with annular groove (23), and groove is provided with O RunddichtringO (24).

6. the gas-charging connection of applicable pair of valve as claimed in claim 1, it is characterized in that: described movable valve core (20) valve body (19) one sides relatively is provided with the projection (26) that can insert in the air flue (21), opposite side is relative with second runner (14), and the diameter of movable valve core (20) is greater than second runner (14) diameter.

7. the gas-charging connection of applicable pair of valve as claimed in claim 1 is characterized in that: described body portion (2) is provided with intake duct (6) and compactor (7), and compactor (7) is provided with annular rubber ring (4) with guiding pore (15) connecting place.

8. as the gas-charging connection of claim 1,6 described applicable pair of valves, it is characterized in that: an end of the movable valve core of described valve body (19) fastening (20) forms arc surface (25), and movable valve core (20) arc surface of valve body (19) relatively is provided with tapering portion (27).

9. the gas-charging connection of applicable pair of valve as claimed in claim 1 is characterized in that: described double air passage shell (1) is provided with first air outlet channel (10) and second air outlet channel (11), is provided with the urgent ring (12) of tool elastic material in two air outlet channels.

10. the gas-charging connection of applicable pair of valve as claimed in claim 1 is characterized in that: described switching part (3) is connected with shell (1) by engaging shrinkage pool (8), nose bar (9).