CN2331820Y

CN2331820Y - Joining device for pipe

Info

Publication number: CN2331820Y
Application number: CN 97221452
Authority: CN
Inventors: 施宗呈
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-07-22
Filing date: 1997-07-22
Publication date: 1999-08-04
Anticipated expiration: 2007-07-22

Abstract

The utility model relates to a joining bolt, which is mainly composed of a connecting body, a connection tube body and a tightening body, wherein, one end of the connecting body forms a thread end which is screwed with an object which needs the water, and one end of the connection tube body forms a connection tube end which is joined with the water tube; the connection tube body can rotate relative to the connecting body, and the tightening body can close the opening of the connecting body; the connection tube body is limited in the connecting body, and in addition, a multichannel leakproof cushion ring is arranged between parts; the joining bolt reaches the purpose that a spiral lock is conveniently arranged by the structure and has the effect of good leakproof function.

Description

Joining device for pipe

The utility model relates to a kind of Joining device for pipe, refers to a kind of easy to assembly and can prevent the Joining device for pipe of water leakage phenomenon really especially.

Currently generally need the water object to connect to establish water pipe place big city to be provided with as shown in Figure 6 a Joining device for pipe 90, this Joining device for pipe 90 mainly is to be provided with a hollow tube, be provided with runcinate adapter end 92 in Joining device for pipe 90 1 end outer rims, can fix with the inner edge blocking of water pipe 96, hold outer rim then to be provided with screw thread 94 in addition, can be spirally connected mutually with the water inlet 99 of need water object 98, so can allow water enter via water pipe 96 and Joining device for pipe 90 needs in the water object 98.

Yet above-mentioned existing Joining device for pipe 90 structures still have following disappearance in use:

1. after Joining device for pipe 90 is bolted in the water inlet 99 that needs water object 98, for keeping the dense water of 98 on Joining device for pipe 90 and need water object, Joining device for pipe 90 with need water object 98 to engage after just no longer unscrew, yet need the hyperphoric process that needs water object 98 in many processing space credit unions, such as: general injection forming mold must be connected the usefulness as cooling die with water pipe, and mould is after a collection of product of moulding, when producing different products, necessary hyperphoric mould, this moment, water pipe must pull away this Combining bolt 90, more mold exchange, so hyperphoric process, in the course of time, the inner edge that water pipe 96 engages with Joining device for pipe 90, the pawl that can be engaged bolt 90 adapter ends 92 destroys, and nature can influence water pipe 96 and hold 92 jointing state with Joining device for pipe 90 adapters, must be often water-changing tube 96 more, cause the inconvenience in the hyperphoric operation.

2. also Joining device for pipe 90 direct whizs can be needed water object 98 in addition, water pipe 96 also needn't pull away Joining device for pipe 90, though but this kind method can reduce the damage of water pipe 96 and Joining device for pipe 90 junction points, but Joining device for pipe 90 is no matter at whiz or be assembled in when needing on the water object 98, water pipe 96 must generate distortion with the rotation of Joining device for pipe 90, and the water pipe 96 of distortion also can increase the drag of twisting Joining device for pipe 90, the twisting of Joining device for pipe 90 is difficult for, directly influence the separation or the assembling of Joining device for pipe 90, but Joining device for pipe 90 and need 98 structures that there is no any water shutoff of water object in addition, therefore in assembling process each time, must be in the screw thread 94 places gluing or the winding leak-stopping adhesive tape of Joining device for pipe 90, give screw lock again, whenever change the outfit and once promptly will do the work of a leakproof, necessity of improvement is arranged really.

Be the disappearance of improving above-mentioned Joining device for pipe structure and using, the purpose of this utility model is: a kind of Joining device for pipe is provided, can not destroy water pipe and need under the state of water object structures, convenient and fast with both in conjunction with separation, and between convergence body, adapter body and clamping body, be provided with the leak-proof gasket of multiple tracks, can improve the water shutoff between Joining device for pipe and need water object, improve the whole ease of use of Joining device for pipe.And can prevent that leak-proof gasket is squeezed and generates deformation longitudinally by placing restrictions on ring, and can improve this leak-proof gasket anti-leakage.

For reaching above-mentioned projects, the utility model provides a kind of Joining device for pipe, comprise a convergence body, an adapter body and a clamping body, wherein convergence body is the hollow tube that central authorities are formed with penetration hole, be formed with an internal diameter and all less threaded end of external diameter in convergence body one end, be arranged with a leak-proof gasket between convergence body and threaded end, the penetration hole inner edge in convergence body is formed with the leak-proof gasket groove to several one again, is provided with leak-proof gasket in the leak-proof gasket groove;

Taking over body is a hollow tube that is sheathed within the convergence body, an end of taking over body stretches out side outside the convergence body, and the end outside the adapter body stretches out convergence body is formed with and is the runcinate adapter end of multiple tracks, be provided with leak-proof gasket groove one in the outer surface of taking over body, in the leak-proof gasket groove, be provided with leak-proof gasket to several;

Clamping body is one to be closed in the hollow tube of convergence body opening, is formed with together to several leak-proof gasket groove in the clamping body inner edge surface, is provided with leak-proof gasket in the leak-proof gasket groove.

Described Joining device for pipe is characterized in that: differ from the end place in addition that forms the adapter end in the adapter body and be formed with a protuberance, respectively be arranged with a leak-proof gasket in the both sides of protuberance.

Described Joining device for pipe is characterized in that: the body external diameter of taking over body is step shape, is arranged with a leak-proof gasket on the outer wall of taking over body formation step shape.

Described Joining device for pipe is characterized in that: differ to form between the end face in addition of taking over end and convergence body inner edge surface and be provided with a leak-proof gasket in taking over body.

Described Joining device for pipe is characterized in that: an end that differs from threaded end in convergence body is formed with internal thread, is formed with outside thread again on the surface of clamping body, and it is protruding in the ring-type shoulder on clamping body surface to be formed with a height in one of clamping body end.

Described Joining device for pipe is characterized in that: differ from convergence body threaded end an end be formed with screw thread in appearance, on the inner edge surface of clamping body, be formed with internal thread again, and differ from the closed loop that an end that forms internal thread is formed with a ring-type in clamping body.

Described Joining device for pipe is characterized in that: sheathed being formed with placed restrictions on ring between convergence body and threaded end, is formed with vertical bending towards threaded end in the periphery of placing restrictions on ring.

Described Joining device for pipe is characterized in that: extended to form one in convergence body towards threaded end place one and placed restrictions on ring portion.

The utility model can reach the following advantage, such as:

1. can not destroy structure: because the rotation that convergence body and adapter can be relative between body, so need on the water object or when needing certainly to take off on the water object when Joining device for pipe being installed in, can not have influence on and take over combining of body and water pipe, can not generate any twisting strength to water pipe because of screwing or unscrewing yet, and water pipe can not break away from whole joint or separating process yet takes over body, so can prolong the working life of whole Joining device for pipe and water pipe.

2. can engage fast or separate: need on the water object or when needing certainly to take off on the water object, only need rotate convergence body and can reach in that Joining device for pipe is arranged at, can speed the hyperphoric operation of Joining device for pipe, save the whole operating time.

3. anti-leakage is good: because be provided with the leak-proof gasket of multiple tracks between each member of Joining device for pipe, so can improve the water shutoff between Joining device for pipe and need water object, place restrictions on ring in addition and place restrictions on the setting or the formation of ring portion, can prevent that leak-proof gasket from producing too much linear deformation, can reach the effect that improves the whole anti-leakage of Joining device for pipe further.

4. can stand bigger size error: when between each member, generate and have the dimensions the margin of error, so that when each member can't cooperate dimensionally fully, can fill up the size error between each member by the resiliently deformable of each leak-proof gasket automatically, to allow Joining device for pipe reach the effect of leakproof really.

Further specify structure characteristic of the present utility model and purpose below in conjunction with accompanying drawing.

Brief Description Of Drawings:

Fig. 1 is first kind of stereo appearance figure of implementing state of the utility model.

Fig. 2 is first kind of three-dimensional exploded view of implementing state of the utility model.

Fig. 3 is first kind of combination section of implementing state of the utility model.

Fig. 4 is second kind of three-dimensional exploded view of implementing state of the utility model.

Fig. 5 is second kind of combination section of implementing state of the utility model.

Fig. 6 is the three-dimensional exploded view of existing Joining device for pipe.

Please referring to Fig. 1, mainly formed by seeing the alleged Joining device for pipe of the utility model among the figure by a convergence body 10, adapter body 20 and a clamping body 30, wherein be formed with a threaded end 12 in convergence body 10 1 ends, then be formed with one and be runcinate adapter end 22 in taking over a end that body 20 differs from convergence body 10 threaded end 12, and the threaded end 12 of convergence body 10 can mutually combine with need water object, the adapter end 22 of taking over body 20 then mutually combines with water pipe, 30 of clamping bodies are the openings that is used for sealing convergence body 10 again, and will take over body 20 and be limited within the convergence body 10.

Again please referring to Fig. 1,2, by seeing among the figure, convergence body 10 is hollow circular cylinders that central authorities are provided with penetration hole, it is less and be provided with externally threaded cannulated threaded end 12 in outer surface to be formed with external diameter cross section in convergence body 10 1 ends, 10 of convergence bodies in threaded end 12 and big external diameter are arranged with a leak-proof gasket 40, be arranged with one in addition in leak-proof gasket 40 and big 10 of external diameter convergence bodies and place restrictions on ring 18, wherein be formed with a vertically bending towards leak-proof gasket 40 in the periphery of placing restrictions on ring 18, and leak-proof gasket 40 is to be restricted within the vertical bending of placing restrictions on ring 18, differ from an end that forms threaded end 12 in convergence body 10 in addition and be formed with an internal thread 14, and be formed with together to the leak-proof gasket groove 16 of multiple tracks in convergence body 10 inner edges of big external diameter, in leak-proof gasket groove 16, then be provided with leak-proof gasket 42.

Take over 20 of bodies again and be a hollow tube that also is formed with central penetration hole and external diameter less than convergence body 10 penetration hole internal diameters, and the penetration hole of taking over body 20 is relative with the penetration hole of convergence body 10 threaded end 12, an end of taking over body 20 is formed with one and is the runcinate adapter end 22 of multiple tracks, differ from and form the nearly end place in addition that takes over end 22 and then be convexly equipped with and be formed with an external diameter and be equivalent to the protuberance 24 of convergence body 10 in taking over body 20 than the large diameter penetration hole, then be formed with a groove part 26 in a protuberance 24 and an end of taking over body 20, in the groove part 26 of protuberance 24 both sides and take on the body 20 and be arranged with a leak-proof gasket 41 respectively, 43, on the outer surface of taking over body 20, be concaved with one leak-proof gasket groove 28 in addition, in leak-proof gasket groove 28, also be provided with leak-proof gasket 45 to several.

Clamping body 30 also is a hollow tube body in addition, wherein the external diameter of clamping body 30 equates with the penetration hole of convergence body 10 than large diameter, the internal diameter of clamping body 30 then equates with the external diameter of taking over body 20, be formed with one high protruding in the ring-type shoulder 34 of clamping body 30 outer surfaces in an end of clamping body 30, on the outer surface of clamping body 30, then be formed with a screw thread 32 that can be screwed with convergence body 10 internal threads 14, and the inner edge surface in clamping body 30 is provided with the leak-proof gasket groove 36 to multiple tracks one, then also is provided with leak-proof gasket 44 in leak-proof gasket groove 36.

When combination, please cooperate referring to Fig. 1,3, earlier with each leak-proof gasket 40,41,42,43,44,45 be located on each relative position after, to take over body 20 then is inserted in the end opening of convergence body 10 than the imperial palace external diameter by an end that forms protuberance 24, and allow the adapter end 22 of taking over body 20 stretch out outside the convergence body 10, again clamping body 30 is inserted in along the adapter end 22 of taking over body 20, and by the internal thread 14 of the screw thread 32 of clamping body 30 and convergence body 10 mutually screw lock screw, and allow the opening of convergence body 10 be sealed by the shoulder 34 of clamping body 30, to take over body 20 simultaneously is limited between convergence body 10 and the clamping body 30, and finish the combination of Joining device for pipe, this moment is when being screwed when clamping body 30 and convergence body 10, can utilize the ora terminalis of clamping body 30 to compress the leak-proof gasket 43 of taking over body 20 protuberances 24 1 sides, and then compress protuberance 24, make the ora terminalis of adapter body 20 and the inner edge surface of convergence body 10 can be connected airtight applying really, and can allow convergence body 10 and 20 of bodies of adapter reach good water shutoff, and there is no any affixed state with 10 of convergence bodies, so the rotation that adapter body 20 and 10 of convergence bodies can be relative because of taking over body 20.

In the time of so on Joining device for pipe of the present utility model will being arranged in need water object, please referring to Fig. 3, water pipe sleeve is located on the adapter end 22 of taking over body 20 earlier, allow the threaded end 12 of convergence body 10 relative then with the water inlet that needs the water object, rotate convergence body 10 again, because convergence body 10 and 20 of bodies of adapter are state in relative rotation, so only need rotate convergence body 10 just can need whole Joining device for pipe being incorporated into gradually on the water object, therefore adapter end 20 and water pipe can't be subjected to any strength of reversing in the time of on Joining device for pipe being incorporated into need water object, can prevent the phenomenon that water stopping tube is distorted and is out of shape, can keep the integrity of water pipe structure and take over the 22 good socket states of holding with adapter body 20.

And Joining device for pipe is being incorporated into when needing on the water object, because be provided with a leak-proof gasket 40 in convergence body 10 larger cross-sections and 12 of its threaded end, so can guarantee to need the dense water of 12 of water object water inlet and convergence body 10 threaded end by this leak-proof gasket 40, on the groove part 26 of taking over body 20 protuberances 24 two ends and outer surface, also be arranged with leak-proof gasket 41 respectively again, 43, so can allow adapter body 20 and 10 of convergence bodies also have good anti-leakage, in addition in the leak-proof gasket groove 28 of taking over body 20 and clamping body 30, also respectively be provided with leak-proof gasket 45 in 36,44, so can further guarantee to take over the anti-leakage of 30 of body 20 and clamping bodies, make the integral body of Joining device for pipe have quite good leak preventing effect.

Secondly place restrictions on and encircle 18 because of be provided with one in convergence body 10 and 40 of leak-proof gaskets, so when convergence body 10 screw locks are on need water object, because of generating a strength of oppressing because of screwing togather mutually between convergence body 10 and need water object, so can push leak-proof gasket 40 simultaneously and make it generate distortion, just can prevent that this leak-proof gasket 40 from generating too big linear deformation and place restrictions on ring 18, and seal convergence body 10 really and need the water object, can reach more good dense water.

And when generating the error that has on the size when making between each member, can because of stressed extruding be out of shape because of each leak-proof gasket 40,41,43 this moment, automatically fill up the size error of each member so can utilize the distortion of leak-proof gasket 40,41,43, can have good leak preventing effect really to guarantee Joining device for pipe.

Moreover please referring to Fig. 4,5, it is second kind of embodiment's of the utility model three-dimensional exploded view and combination section, by seeing among the figure, in convergence body 50 be formed with towards threaded end 52 places one be coated on leak-proof gasket 80 outer periphery place restrictions on ring portion 56, differ from the end in addition that forms threaded end 52 in convergence body 50 and then be formed with an outside thread 54, the body external diameter of taking over body 60 in addition then is step shape, on the outer wall of taking over body 60 formation step shapes, be arranged with a leak-proof gasket 82, on the outer surface of taking over body 60, then be provided with several and be provided with leak-proof gasket 81,83 leak-

proof gasket groove

62,64, be formed with one for taking over the closed loop 72 that body 60 runs through in clamping body 70 1 ends in addition, differ from clamping body 70 and then to be formed with an internal thread 74 that is screwed with convergence body 50 outside threads 54 on the side inner edge surface that forms closed loop 72, the Joining device for pipe form of another kind of form so can be provided, then be formed with leak-proof gasket groove 76 in the clamping body inner edge surface, in the leak-proof gasket groove, be arranged with leak-proof gasket 84.

After the Joining device for pipe combination, can utilize the closed loop 72 of clamping body 70 that the effect of sealing convergence body 50 openings is provided, and can be limited in the convergence body 50 taking over body 60 simultaneously, in taking between body 60 ora terminalis and convergence body 50 inner edge surfaces one leak-proof gasket 85 can be set then in addition, can allow

convergence body

50 and 60 of bodies of adapter reach quite good leak preventing effect.

Claims

1. Joining device for pipe, comprise a convergence body, an adapter body and a clamping body, it is characterized in that: wherein convergence body is the hollow tube that central authorities are formed with penetration hole, be formed with an internal diameter and all less threaded end of external diameter in convergence body one end, in between convergence body and threaded end, be arranged with a leak-proof gasket, penetration hole inner edge in convergence body is formed with the leak-proof gasket groove to several one again, is provided with leak-proof gasket in the leak-proof gasket groove;

2. Joining device for pipe according to claim 1 is characterized in that: differ from the end place in addition that forms the adapter end in the adapter body and be formed with a protuberance, respectively be arranged with a leak-proof gasket in the both sides of protuberance.

3. Joining device for pipe according to claim 1 is characterized in that: the body external diameter of taking over body is step shape, is arranged with a leak-proof gasket on the outer wall of taking over body formation step shape.

4. Joining device for pipe according to claim 3 is characterized in that: differ to form between the end face in addition of taking over end and convergence body inner edge surface and be provided with a leak-proof gasket in taking over body.

5. Joining device for pipe according to claim 1, it is characterized in that: an end that differs from threaded end in convergence body is formed with internal thread, on the surface of clamping body, be formed with outside thread again, and it is protruding in the ring-type shoulder on clamping body surface to be formed with a height in one of clamping body end.

6. Joining device for pipe according to claim 1, it is characterized in that: differ from convergence body threaded end an end be formed with screw thread in appearance, on the inner edge surface of clamping body, be formed with internal thread again, and differ from the closed loop that an end that forms internal thread is formed with a ring-type in clamping body.

7. Joining device for pipe according to claim 1 is characterized in that: sheathed being formed with placed restrictions on ring between convergence body and threaded end, is formed with vertical bending towards threaded end in the periphery of placing restrictions on ring.

8. Joining device for pipe according to claim 1 is characterized in that: extended to form one in convergence body towards threaded end place one and placed restrictions on ring portion.