CN2241807Y

CN2241807Y - Quick engaged pipe-line jointing construction

Info

Publication number: CN2241807Y
Application number: CN 95228209
Authority: CN
Inventors: 谢清云
Original assignee: HEHONG INDUSTRY Co Ltd
Current assignee: HEHONG INDUSTRY Co Ltd
Priority date: 1995-11-24
Filing date: 1995-11-24
Publication date: 1996-12-04
Anticipated expiration: 2005-11-24

Abstract

The utility model relates to a quick engaged pipe-line jointing construction, which comprises an adapting pipe, a connecting pipe and a sealing ring which is clamped between the adapting pipe and the connecting pipe, and the adapting pipe is jointed with the connecting pipe. The connecting pipe is sheathed with a screw cap which is provided with an inner screw tooth, and one end edge of the adapting pipe forms a quick tooth toward the outer flanging by using the self materials; a convex lip is extended between the front edge of the connecting pipe and the screw cap. When the adapting pipe is jointed with the connecting pipe, the front edge of the connecting pipe penetrates through the sealing ring to be inlaid in the adapting pipe; the adapting pipe is screwed with the inner screw tooth of the screw cap on the connecting pipe by the quick tooth, and the convex lip of the connecting pipe is tightly pressed on the surface of the sealing ring. The best sealing and jointing effect is reached, and the quick engaged pipe-line jointing construction has the effect of saving the cost of the material.

Description

Quick tooth pipeline joint construction

The utility model relates to a kind of pipeline joint construction, particularly relates to a kind of tight engagement effect with the best, and can effectively save the quick tooth pipeline joint construction of cost of material.

As shown in Figure 1, be first kind of assembled sectional view of pipeline joint construction in the past, this pipeline joint construction is by a socket pipe 10, a connecting tube 12 and a seal ring 14 are formed, this socket pipe 10 is that formed external screw thread 100 is spirally connected mutually with the nut 16 that is set on the connecting tube 12 on the circumferential surface, and reach the purpose that is bonded with each other with connecting tube 12, and the press face 120 of borrowing these connecting tube 12 front end ora terminalis to be extended, make connecting tube 12 when screwing togather with socket pipe 10, this press face 120 can be compressed on the surface of seal ring 14, make seal ring 14 by clipping at

socket pipe

10 and 12 of connecting tubes and reach airtight requirement.But, this socket pipe 10 is in order to engage with connecting tube 12, its caliber must increase the external screw thread 100 that is spirally connected with the nut 16 on correspondence formation and the connecting tube 12, so the cost of material of this socket pipe 10 relatively increases, and this socket pipe 10 and connecting tube 12 are when fitted seal ring 14 engages, also because of the press face 120 of connecting tube 12 a front end ora terminalis plane just, make its intensity when compacting seal ring 14 limited, and make seal ring 14 can't reach best obturation effect.

As shown in Figure 2, be second kind of assembled sectional view of pipeline joint construction in the past, this pipeline joint construction comprises a socket pipe 20 and a connecting tube 22, this socket pipe 20 is screwed onto the nut 24 that is sheathed on the connecting tube 22 by means of formed external screw thread 200 on its circumferential surface and is bonded with each other with this connecting tube 22, and the toe-in that forms respectively of the joint end of borrowing socket pipe 20 and connecting tube 22 and the tapering face 202,222 that expands outwardly, make socket pipe 20 and connecting tube 22 reach the purpose of fluid-tight engagement.Yet, if only seal ring is not set between socket pipe 20 and the connecting tube 22 by tapering face 202,222, obturation effect imperfection then, and, this tapering face 202,222 is no matter be that angle or smoothness have error when moulding, cause socket pipe 20 must repeat dismounting with being connected the operation failure of connecting tube 22, if after this socket pipe 20 repeats dismounting with connecting tube 22 processes, its tapering face 202,222 may be destroyed.

As Fig. 3 is the third assembled sectional view of pipeline joint construction in the past, this pipeline joint construction also is by the socket pipe 30 and connecting tube 32 that can screw togather mutually, cooperate the seal ring 34 of clipping between the two, reach the purpose of fluid-tight engagement, when connecting tube 32 when being connected with socket pipe 30, nut 33 on the connecting tube 32 tapering face 340 that toe-in forms on the compacting seal ring 34 of can taking advantage of a situation is attached on the opening ora terminalis of socket pipe 30, make seal ring 34 airtight, but, if only by the corresponding tapering face 340 that forms on means of screwing togather and the seal ring 34, can't make this socket pipe 30 fixing with connecting tube 32, can make seal ring 34 be subjected to excessively compressing and produce being out of shape on the contrary, go bad even damage, and on the circumferential surface of connecting tube 32 not as above-mentioned first kind in the past the pipeline joint construction be extended with press face, after whole pipeline joint construction is finished connection, may therefore come off.

As shown in Figure 4, be the 4th kind of assembled sectional view of pipeline joint construction in the past, this pipeline joint construction is a Placement commonly used in the present water power pipeline, it is socket pipe 40 and connecting tube 42 connections that utilize an interior tooth twin adapter 44 and form external screw thread 400,420 respectively, but this socket pipe 40 is all very thick with the tube wall of connecting tube 42, and the required cost of material of whole pipeline joint construction is relatively improved.

In sum, each is the shortcoming that produced on reality is used of pipeline joint construction in the past, is to reach the obturation effect of the best because of socket pipe and the design of connecting tube can't make seal ring when pipeline engages, and has the too high shortcoming of cost of material.

The purpose of this utility model is providing a kind of quick tooth pipeline joint construction, has best tight engagement effect, and the effect of saving cost of material.

Of the present utility model being characterised in that: socket pipe one ora terminalis of this pipeline joint construction utilizes the outside crimping of itself material to be formed with a quick tooth, be extended with a protruding lip between connecting tube leading edge that engages with this socket pipe and sheathed thereon nut, when this socket pipe engages with connecting tube, the leading edge of this connecting tube is passed seal ring and is embedded in the socket pipe, make this socket pipe borrow quick tooth and be spirally connected mutually with the internal screw thread of connecting tube upper cap nut, so that this protruding lockjaw thickly is compressed on the surface of seal ring, reach best tight engagement effect, and the quick tooth on this socket pipe is because be that the directly outside crimping of the material of utilization own forms, so have the effect of saving cost of material.

Quick tooth pipeline joint construction of the present utility model comprises a socket pipe, a connecting tube that can engage and the seal ring of a clipping between socket pipe and connecting tube with socket pipe, this connecting tube is arranged with a nut with internal screw thread, the outside crimping of the material of one ora terminalis utilization of this socket pipe own is formed with a quick tooth, be extended with a protruding lip between the leading edge of this connecting tube and nut, when socket pipe engages with connecting tube, the leading edge of connecting tube is passed the sealing ring and is embedded in the socket pipe, make socket pipe borrow quick tooth and be spirally connected mutually with the internal screw thread of connecting tube upper cap nut,, the protruding lockjaw of connecting tube reaches best tight engagement effect so that thickly being compressed on the surface of seal ring, and the quick tooth on the socket pipe is that the direct crimping of material of utilization itself forms, so the utility model also has the effect of saving cost of material.

Below by most preferred embodiment and accompanying drawing quick tooth pipeline joint construction of the present utility model is elaborated, in the accompanying drawing:

Fig. 1 is first kind of assembled sectional view of pipeline joint construction in the past.

Fig. 2 is second kind of assembled sectional view of pipeline joint construction in the past.

Fig. 3 is the third assembled sectional view of pipeline joint construction in the past.

Fig. 4 is the 4th kind of assembled sectional view of pipeline joint construction in the past.

Fig. 5 is the three-dimensional exploded view of the utility model preferred embodiment.

Fig. 6 is the assembled sectional view of the utility model preferred embodiment.

As shown in Figure 5, it is the three-dimensional exploded view of the utility model preferred embodiment, but this quick tooth pipeline joint construction comprises a socket pipe 50, connecting tube 52 that can engage with this socket pipe 50 and clipping seal ring 54 52 of socket pipe 50 and connecting tubes, these connecting tube 52 sheathed nuts 56 with internal screw thread 560, one ora terminalis of this socket pipe 50 is that the outside crimping of the material of utilization own is formed with a

quick tooth

500, and 56 on the leading edge of this connecting tube 52 and nut are extended with a protruding lip 520.

Shown in Fig. 5,6, when the socket pipe 50 of present embodiment will engage with connecting tube 52, make the leading edge of this connecting tube 52 pass sealing ring 54 and be embedded in the socket pipe 50, the quick tooth 500 of this socket pipe on 50 by its and the internal screw thread 560 of these connecting tube 52 upper cap nuts 56 are screwed togather mutually, closely be compressed on the surface of seal ring 54 with the protruding lip 520 that forces this connecting tube 52, and formation state as shown in Figure 6.So, quick tooth 500 on this socket pipe 50 is to utilize these socket pipe 50 direct crimpings of material own to form, make this socket pipe 50 except borrowing quick tooth 500 and nut 56 on the connecting tube 52 to be spirally connected and reach the effect that is bonded with each other, and can reach the effect of saving cost of material.And, borrow the protruding lip 520 be formed on the connecting tube 52 when this connecting tube 52 screws togather with socket pipe 50, closely to be compressed on the surface of seal ring 54, make seal ring 54 by clipping between socket pipe 50 and connecting tube 52, and reach the tight engagement effect of the best.

By above-mentioned explanation, Quick engaged pipe-line jointing construction of the present utility model has following advantage and effect:

(1) have best tight engagement effect: the utility model is borrowed adapting pipe and tube connector When engaging operation, can force the close table that is compressed on sealing ring of protruding lockjaw on the tube connector On the face, make sealing ring give full play to airtight effect, so that reach between adapting pipe and tube connector Best tight engagement effect.

(2) save material cost: because the rapid tooth on the adapting pipe is the material of utilization itself Directly crimping forms, and not only has the nut on the firm engagement tube connector safely, more can Save widely material cost.

In sum, Quick engaged pipe-line jointing construction of the present utility model has the best really The tight engagement effect, and can reach the effect of saving material cost.

Claims

1. a quick tooth pipeline joint construction comprises a socket pipe, a connecting tube that engages with this socket pipe and the seal ring of a clipping between this socket pipe and this connecting tube, and a sheathed nut with internal screw thread on this connecting tube is characterized in that:

The outside crimping of the material of one ora terminalis utilization of this socket pipe own be formed with one with this connecting tube on the quick tooth that is spirally connected mutually of nut internal screw thread, be extended with a protruding lip that closely is compressed on the sealing ring surface between the leading edge of this connecting tube and this nut.