CN2480665Y

CN2480665Y - Quick joint for gas tank

Info

Publication number: CN2480665Y
Application number: CN 01226507
Authority: CN
Inventors: 许静美
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-06-05
Filing date: 2001-06-05
Publication date: 2002-03-06
Anticipated expiration: 2011-06-05

Abstract

The utility model relates to a quick connector of a gas tank, wherein a depression space of a revolving ring is equipped with a clamping ring, the inner diameter side-wall of the depression space is equipped with a plurality of arc-shaped surfaces which have the same direction, the adjacent arc-shaped surfaces have a stopping portion, the periphery of the clamping ring is equipped with a plurality of elastic sheets, the outside of each elastic sheet is equipped with a convex part, the inner side of each elastic sheet is equipped with a clamping strip, a connecting element is equipped on the revolving ring and is connected with a gas gun, and the connecting element is equipped into the clamping ring. Thereby by rotating the revolving ring, the pressure degree that the are-shaped surface of the revolving ring acts on the convex part can be controlled.

Description

The rapid pipe joint of gas jar

The utility model relates to the rapid pipe joint of a kind of gas jar, and particularly this rapid pipe joint can be connected in gas gun and general aerating gas jar, and very quick when manipulating, convenient.

It is numerous too numerous to enumerate to be used at present the gas gun pattern of lighting a fire on the market, and wherein the bigger gas gun of gas air demand normally directly is assembled in gas gun with the gas jar and supplies gas; Therefore but the connectivity problem between gas gun and the gas jar allows the people feel puzzlement always, has many manufacturers directly to add screw thread at the steam outlet pipe of the tank body apical margin of gas jar, uses that the gas jar directly is fixed on the gas gun.

Yet, this method is except needs are made the gas jar again, the user also can be because of the inconvenience and the puzzlement that generally do not cause in the use when buying, therefore if can have a device to be used for connects gas gun and general aerating gas jar commonly used, can bring for all users more easily and select.

First purpose of the present utility model is providing the rapid pipe joint of a kind of gas jar, and its mode by the rotation change just can be controlled this rapid pipe joint, and whether clip is in the gas jar, and the effect of engaging is very stable, makes the Consumer more convenient in use.

Second purpose of the present utility model is providing the rapid pipe joint of a kind of gas jar, and after it was connected in gas jar and gas gun with this rapid pipe joint, its junction point had good leak preventing effect, the danger that can avoid gas to leak.

The 3rd purpose of the present utility model is providing the rapid pipe joint of a kind of gas jar, and this rapid pipe joint goes for the gas jar specification that sells on the market at present, and the Consumer need not worry the problem that can't make up.

Based on this, gas jar provided by the utility model rapid pipe joint, be in the set sinking space of a change clipping ring to be set, the internal diameter sidewall of this sinking space is provided with the arc shaped surface of a plurality of equidirectionals, and has a stopper part between the two adjacent arc shaped surfaces; Described clipping ring outer periphery is equipped with plural elastic strip body, and the outside of each elastic strip body is provided with a protuberance, and the inboard of each elastic strip body is provided with the clip bar; On change, be provided with one and can be bonded on the connecting element of gas gun, and make connecting element be fixed on described clipping ring; During by the described change of rotation, controlled the press degree of the arc shaped surface of this change to the protuberance of clipping ring, and then make each elastic strip body synchronously shrink and allow clip bar clip, or make each elastic strip body open and allow the clip bar break away from clip toward centrifugal direction synchronously to gas jar flange in the flange of gas jar toward central direction.

Other purpose of the present utility model and function will be more clear after cooperating following accompanying drawing and being described further.

Fig. 1 is for showing the three-dimensional exploded view of each elements combination relation of the utility model;

Fig. 2 is for showing the top plan view sectional view of the utility model quick coupling structure;

Fig. 3 is for showing the forward sight section plan of the utility model quick coupling structure;

The embodiment stereogram of Fig. 4 for showing that rapid pipe joint of the present utility model cooperates the gas jar to use.

Among the figure

1 change, 321 vents

11 arc shaped surfaces, 33 first iner ledges

12 stopper parts, 34 second iner ledges

13 recessed edge 35 first leakproof cushion rubbers

14 through holes, 36 second leakproof cushion rubbers

2 clipping rings, 4 fixed elements

20 bodies, 40 substrates

41 times class's protruded stigmas of 21 grooves

Class's protruded stigma on 22 elastic strip bodies 42

221 protuberances, 43 holes

222 clip bars 44 the 3rd leakproof cushion rubber

23 center holes, 45 screws

24 holes, 46 penetration holes

3 connecting element, 5 gas jars

30 substrates, 51 flanges

31 screws, 52 outlet nozzles

32 double-screw bolts, 6 gas guns

Consult shown in Figure 1ly, the gas jar rapid pipe joint that the utility model disclosed is to include a change 1, a clipping ring 2, a connecting element 3 and a fixed element 4.Change 1 peripheral surface wherein is provided with striped, is to produce big friction when being used for allowing user's finger contact and be convenient to rotation; Upper central in change 1 is provided with a recessed edge 13, and the central authorities of recessed edge 13 then are provided with a through hole 14; The below of change 1 then is provided with a sinking space, the internal diameter sidewall of this sinking space is provided with the arc shaped surface 11 of a plurality of equidirectionals, and has an outstanding stopper part 12 between the two adjacent arc shaped surfaces 11, this arc shaped surface 11 is to present the relatively tapered trend of thickness from an end to an other end, and then makes to have drop between two arc shaped surfaces, 11 ends of 12 both sides, stopper part.

Fig. 1 has similarly shown the structure of described clipping ring 2, the preferred embodiment of this clipping ring 2 is to utilize plastic material and adopt ejection forming technique one-body molded for have plural elastic strip body 22 in the periphery of its body 20, one end of each elastic strip body 22 be with body 20 between be connected, all the other partly then and the groove 21 that has proper width between the body 20, or between the centre of elastic strip body 22 and clipping ring body 20, increase by a part that is connected, use the elasticity that allowing elastic strip body 22 have maximum in the diametric(al) of clipping ring 2; Again, the outside of each elastic strip body 22 is equipped with a protuberance 221, and the inboard of each elastic strip body 22 is equipped with clip bar 222; Described clipping ring 2 is to be matched with in the sinking space of aforesaid change 1, and allows the position of each protuberance 221 corresponding to each arc shaped surface 11; On clipping ring 2, be provided with a plurality of holes 24.

Described connecting element 3 is to be used to provide to be combined in gas gun 6 (as shown in Figure 4).Fig. 1 and Fig. 3 disclose connecting element 3 structures of the present utility model, are a double-screw bolt 32 is set on a substrate 30, and this double-screw bolt 32 is the suction ports that can be locked on general gas gun; This substrate 30 is provided with a plurality of screws 31, and double-screw bolt 32 central authorities are provided with a vent 321; Following first iner ledge 33 that then is provided with relatively large internal diameter of substrate 30, and second iner ledge 34 that is positioned at the less relatively internal diameter of first iner ledge, 33 bottom surfaces, insert the first leakproof cushion rubber 35 and the relative second leakproof cushion rubber 36 of relatively large diameter respectively than minor diameter 33,34 of first and second iner ledges.

Described connecting element 3 is its substrate 30 directly to be placed in the recessed edge 13 above the change 1 and fixing with change 1, but must connecting element 3 is fixing with clipping ring 2.For connecting element 3 is fixed on clipping ring 2, the utility model provides one group of fixed element 4; The structure of this fixed element 4 is to include a substrate 40, and this substrate 40 is provided with a plurality of holes 43, and the position of these holes 43 is corresponding to the hole on the clipping ring 2 24, and the position of the screw on the connecting element 3 31; On substrate 40, be equipped with one in addition and be first class's protruded stigma 41 and the one second class's protruded stigma 42 that piles up with one heart, and first class's protruded stigma 41 can be inserted in first iner ledge 33 of connecting element 3; The center of first and second class's protruded stigma 41,42 then is provided with a penetration hole 46.Below fixed element 4, be provided with a recess in addition, and in this recess, insert one the 3rd leakproof cushion rubber 44.

Structure after described each elements combination of Fig. 1 is as shown in Figure 3, and the first leakproof circle 35 wherein is the second class's protruded stigmas 42 that are enclosed within fixed element 4, and the second leakproof cushion rubber 36 is positioned at the top of second class's protruded stigma 42; After the outlet nozzle 52 of gas jar 5 passes the penetration hole 46 of fixed element 4, be to make outlet nozzle 52 be butted on the second leakproof cushion rubber 36, and be butted on the 3rd leakproof cushion rubber 44 above the tank body of gas jar 5, by the resistance effect of pulling of the first leakproof cushion rubber 35, the second leakproof cushion rubber 36 and the 3rd leakproof cushion rubber 44, can effectively prevent to be combined in the danger that the gas jar generation gas behind the gas gun leaks.

Cooperate simultaneously again and consult Fig. 2 and shown in Figure 3, when rapid pipe joint of the present utility model and gas jar 5 are done combination, at first must rotate change 1, the deep-seated that causes the protuberance 221 of change 1 to be displaced to arc shaped surface 11 is put (as shown in Figure 2), at this moment, the internal diameter that each clip bar 222 is surrounded be present open maximum rating, then the upper end of gas jar 5 is inserted in the clipping ring 2, be rotated counterclockwise with state shown in Figure 2 again, cause protuberance 221 to change the position in arc shaped surface 11 approaching more shallow positions; In the process of rotation change 1, because protuberance 221 is subjected to the extruding of arc shaped surface 11, thereby can force each elastic strip body 22 toward the central direction synchronous, and then each clip bar 222 is embedded below the flange 51 of gas jars 5, make gas jar 5 fixing, just the double-screw bolt 32 of connecting element 3 can be locked on the inlet hole of gas gun 6 this moment with clipping ring 2.Otherwise, still if in the other direction rotate change 1 again, cause protuberance 221 returns to be put, and then make each elastic strip body 11 flick and when allowing each clip bar 222 break away from, then gas jar 5 can be separated with clipping ring 2 flange 51 chimeric toward outsides in the deep-seated of arc shaped surface 11.

Via aforementioned effect of the present utility model and enforcement, can get following effect and advantage:

1. by the effect and the enforcement of the utility model rapid pipe joint, can make gas gun and close use, enlarge using scope with the general gas jar that is sold on the market.

2. by the enforcement that cooperatively interacts of clipping ring of the present utility model and change, can make the gas jar can be easily and firmly be fixed in rapid pipe joint.

3. because rapid pipe joint of the present utility model has three road leak free design, although when the user was inverted the gas jar, the also defective that can not cause gas to leak can significantly improve the Security of use.

The above only is in order to explain preferred embodiment of the present utility model; be not that the attempt tool is to do any pro forma restriction to the utility model; all have in that identical creation spirit is following do relevant any modification of the present utility model or change, all must be included in the scope of the utility model intention protection.

Claims

1. gas jar rapid pipe joint is characterized in that including:

One change, the internal diameter sidewall of the sinking space that it is set is provided with the arc shaped surface of a plurality of equidirectionals, and has a stopper part between the two adjacent arc shaped surfaces, this arc shaped surface is to present the relatively tapered trend of thickness from an end to an other end, and then makes to have drop between the two arc shaped surface ends of both sides, stopper part;

One clipping ring, the periphery of its body is provided with plural elastic strip body, and the outside of each elastic strip body is provided with a protuberance, and the inboard of each elastic strip body is provided with the clip bar, and this clipping ring is to be matched with in the sinking space of described change;

One connecting element is to be located at described clipping ring regularly.

2. gas jar according to claim 1 rapid pipe joint, it is characterized in that described clipping ring is to adopt the one ejection formation, form plural elastic strip body in the periphery of clipping ring body, be connected between one end of each elastic strip body and the clipping ring body, all the other partly then and the groove that has proper width between the clipping ring body use allowing this elastic strip body have maximum elasticity in the diametric(al) of clipping ring.

3. gas jar according to claim 2 rapid pipe joint is characterized in that can linking together between the centre of this elastic strip body and the clipping ring body.

4. gas jar according to claim 1 rapid pipe joint, it is characterized in that described connecting element, is to be provided with a plurality of double-screw bolts at a substrate (30), and this substrate (30) is provided with a plurality of screws, this double-screw bolt is provided with a vent, with this substrate (30) be arranged at described change above; One fixed element then is set below described clipping ring, this fixed element and clipping ring all have a plurality of corresponding holes (43) (24), pass the hole (43) (24) of fixed element and clipping ring with screw, make screw lock the screw of connecting element, connecting element is fixed on described clipping ring.

5. gas jar according to claim 4 rapid pipe joint, it is characterized in that the below of this connecting element is provided with first iner ledge of relatively large internal diameter, the bottom surface of this first iner ledge is provided with second iner ledge of less relatively internal diameter, inserts the first leakproof cushion rubber and the second leakproof cushion rubber respectively at this first and second iner ledge; Have one above the substrate of this fixed element (40) and be first class's protruded stigma and the one second class's protruded stigma that piles up with one heart, and this first class protruded stigma can be inserted in described first iner ledge, the center of this first and second class's protruded stigma is provided with a penetration hole.

6. gas jar according to claim 5 rapid pipe joint, it is characterized in that this fixed element below be provided with the 3rd leakproof cushion rubber.