CN205806737U - Hot type pipe fitting connected structure - Google Patents

Abstract

This utility model provides a kind of hot type pipe fitting connected structure, it is mainly by the first pipe fitting, second pipe fitting, spacing latch closure, packing ring, and forcing piece is formed, this utility model can avoid this first pipe fitting and the second pipe fitting to be axially disengaging, on the second insertion section of this second pipe fitting, in the way of rolling and processing, mainly form the limited ring groove solid for this spacing ring retaining ring, the set of this packing ring of arranging in pairs or groups again is solid to be limited and the restriction that screws togather of this forcing piece is reached, therefore, second pipe fitting is the most convenient in processing, compared to the pipe fitting of prior art with welding processing for, process technology level is relatively low, and do not have and have the consideration in selection because of welding processing, hot type pipe fitting connected structure of the present utility model can reach to process purpose easily really.

Description

Hot type pipe fitting connected structure

Technical field

This utility model relates to hot type pipe fitting, particularly relates to a kind of hot type pipe fitting connected structure.

Background technology

The consideration designing the structure of hot type pipe fitting, generally in limited space, improves most water yield temperature, therefore It mostly is the bend pipe kenel of reciprocal Hui Qu, but, old hot type fitting structure mostly is integrated many bend pipe structures, and makes more With argon welding welding manner bridge piece and straight tube junction, its structural strength is low, easily causes solution seepage in pipe.

Therefore, industry was invented a kind of circumscribed and was screwed togather pipe connecting device to engage the bonding part of bend pipe and straight tube in heat-exchange tube later, Refer to Fig. 1, screw togather pipe connecting device for a kind of circumscribed being applied to hot type pipe fitting of the prior art, the bend pipe being provided in figure The delivery position of portion X and straight sections Y, this circumscribed screws togather pipe connecting device and mainly comprises: combine outside one pipe A, a forcing piece B and One packing ring C, the syntagmatic between said modules is as it is shown in figure 1, this outer pipe A that combines is the one end being welded in this straight sections Y, and this is compeled Tight part B is the one end being butted on this bent portion X by a spacing latch closure D being positioned at this bent portion X end, and wherein this outer combines pipe A Caliber inner edge there is female thread section a1, male threaded section b1 corresponding with this female thread section a1 is provided at outside the circle of this forcing piece B Lateral margin, screws togather the most each other and reaches connection this bent portion X and this straight sections Y, wherein this packing ring C be provided at this outer combine pipe A with should Between forcing piece B, as preventing the stiffener assembly of seepage, in case when liquid in pipe pressure is big or external force affects, still can maintain Consolidating of junction.

Wherein, owing to being provided with spacing latch closure D in the weldering of the outer peripheral face of this bent portion X, this spacing latch closure D mono-ring end face is by this forcing piece The circle lateral border of B is pushed, and this forcing piece B is screwed on this outer female thread section a1 combined in pipe A by its male threaded section b1 simultaneously, Therefore, this bent portion X will not be axially disengaging after connecing with this straight sections Y group.

But, this spacing latch closure D is to be welded in a welding manner on this bent portion X, and therefore process technology level is high, and should Spacing latch closure D and this bent portion X must be consistent or close in selection, it is to avoid cannot be carried out welding processing because fusing point is different, Thus highlight the defect of hot type pipe fitting processing inconvenience.

Utility model content

The purpose of this utility model, is to provide one and processes hot type pipe fitting connected structure easily.

For reaching object defined above, hot type pipe fitting connected structure of the present utility model, comprise: one first pipe fitting, there is one first straight tube Section, one it is located at first mouth of pipe of this first straight length one end and is located in this first straight length and depends on towards this first mouth of pipe direction The ring shoulder that sequence is arranged, it is also possible to a female thread section is set；One second pipe fitting, has a part and is plugged in this first straight length And support only recessed at this second insertion section outer ring surface and be positioned at this first straight length at the second insertion section of this ring shoulder and one Limited ring groove；One spacing latch closure, is fixed in this second insertion section, and has the spacing inside and one being located at this limited ring groove It is positioned at the spacing outside outside this limited ring groove；One packing ring, is fixed in this second insertion section, and has one and be positioned at this limited ring groove Side and support only the first packing ring anchor ring and in this spacing outside and be in reverse to the second packing ring anchor ring of this first packing ring anchor ring；With And a forcing piece, it is possible to being set in this second insertion section rotatably, the other end is connected with this first pipe fitting part, can be provided with one Spiral shell is located at the male threaded section of this female thread section, and one supports only at the packing anchor ring of this second packing ring anchor ring.

It is preferred that the second insertion section of this second pipe fitting divides into one is inserted in the plant pipe portion in this first straight length and even Meet this plant pipe portion and be positioned at the instrumentation tubes portion outside this first straight length.

It is preferred that the caliber of this second pipe fitting the second insertion section is less than the caliber of this first pipe fitting the first straight length.

Connect and set first bend loss and of this first straight length it is preferred that this first pipe fitting has more one and connect and set this first bend loss The first insertion section；This second pipe fitting has more one and connects and set second bend loss and of this second insertion section and connect and set this second bend pipe Second straight length of section.

It is located in this first straight length it is preferred that this first pipe fitting has more one and is positioned at what this ring shoulder engaged with this first pipe fitting Ring wall face between end.

It is preferred that the ring wall face of this first pipe fitting is connected with this ring shoulder, the end engaged with described first pipe fitting is connected in this ring Between wall and this first mouth of pipe.

It is preferred that further include a baffle ring, it is fixed in this second insertion section and only supports in this first straight length ring wall face, and having One and supports the stop surface stopped in this spacing outside between this ring shoulder and this limited ring groove side.

This utility model at least has following effect: this utility model can avoid this first pipe fitting and the second pipe fitting to be axially disengaging, On the second insertion section of this second pipe fitting, in the way of rolling and processing, mainly form the spacing ring solid for this spacing ring retaining ring Groove, then the set of this packing ring of arranging in pairs or groups limits admittedly and the restriction that screws togather of this forcing piece is reached, therefore, the second pipe fitting is pole in processing For facility, compared to the pipe fitting of prior art with welding processing for, process technology level is relatively low and does not have because of welding processing And have the consideration in selection, really have and process effect easily；Furthermore, because of interlocking engagement features of the present utility model, permissible This utility model is made to have easily assembling effect.

Accompanying drawing explanation

Fig. 1 is to be applied to the circumscribed of hot type pipe fitting in prior art to screw togather the three-dimensional exploded view of pipe connecting device.

Fig. 2 is the three-dimensional exploded view of preferred embodiment of the present utility model.

Fig. 3 is the combination section of preferred embodiment of the present utility model.

Fig. 4 is the replacing state diagram of preferred embodiment of the present utility model.

Fig. 5 is the use state diagram of preferred embodiment of the present utility model.

Sign flag explanation in accompanying drawing:

A is outer combination pipe；A1 is female thread section；B is forcing piece；B1 is male threaded section；C is packing ring；D is spacing latch closure； X is bent portion；Y is straight sections；20 is the first pipe fitting；21 is the first straight length；211 is first mouth of pipe；22 is ring shoulder； 23 is ring wall face；24 is female thread section；25 is the first bend loss；26 is the first insertion section；30 is the second pipe fitting；31 is Two insertion sections；311 is plant pipe portion；312 is instrumentation tubes portion；32 is limited ring groove；33 is the second bend loss；34 is second Straight length；40 is baffle ring；41 is stop surface；50 is spacing latch closure；51 is spacing inside；52 is spacing outside；60 are Packing ring；61 is the first washer face；62 is the second washer face；70 is forcing piece；71 is male threaded section；72 is packing anchor ring； 73 is driver slot；T is support body；Z is for holding wall device.

Detailed description of the invention

Below in conjunction with accompanying drawing, the technical solution of the utility model is carried out clear, complete description, it is clear that described enforcement Example is a part of embodiment of the present utility model rather than whole embodiments.Based on the embodiment in this utility model, ability The every other embodiment that territory those of ordinary skill is obtained on the premise of not making creative work, broadly falls into this practicality new The scope of type protection.

Refering to shown in Fig. 2, Fig. 3, a kind of hot type pipe fitting connected structure that an embodiment of the present utility model is provided, it is main It is by one first pipe fitting 20,1 second pipe fitting 30, baffle ring 40, spacing latch closure 50, packing ring 60 and a packing Part 70 is formed, wherein:

This first pipe fitting 20, have one first straight length 21, be located at this first straight length 21 one end first mouth of pipe 211, And in being located at this first straight length 21 and sequentially arrange towards this first mouth of pipe 211 direction ring shoulder 22, ring wall face 23, with And female thread section 24；In the present embodiment, this first pipe fitting 20 have more one connect set this first straight length 21 the first bend loss 25, And one connect the first insertion section 26 setting this first bend loss 25；It addition, the ring wall face 23 of this first pipe fitting 20 and this ring shoulder 22 connect, and this female thread section 24 is connected between this ring wall face 23 and this first mouth of pipe 211.

This second pipe fitting 30, has in a part is plugged on this first straight length 21 and supports only in the second plant of this ring shoulder 22 Section 31 and this second insertion section 31 outer ring surface recessed and be positioned at the limited ring groove 32 of this first straight length 21；The present embodiment In, this second pipe fitting 30 has more one and connects and set second bend loss 33 and of this second insertion section 31 and connect and set this second bend loss Second straight length 34 of 33；It addition, the second insertion section 31 of this second pipe fitting 30 divides into one is inserted in this first straight length Plant pipe portion 311 and one in 21 connects this plant pipe portion 311 and is positioned at the instrumentation tubes portion 312 outside this first straight length 21.

This baffle ring 40, is fixed in this second insertion section 31 and only supports in this first straight length 21 ring wall face 23, and having one Stop surface 41 between this ring shoulder 22 and this limited ring groove 32 side.

This spacing latch closure 50, is fixed in this second insertion section 31, and have the spacing inside 51 being located at this limited ring groove 32, And in the spacing outside 52 of this stop surface 41 outside one is positioned at this limited ring groove 32 and to only.

This packing ring 60, is fixed in this second insertion section 31, and has one and be positioned at this limited ring groove 32 opposite side and only support in this limit First packing ring anchor ring 61 of position outside 52 and one is in reverse to the second packing ring anchor ring 62 of this first packing ring anchor ring 61；And

This forcing piece 70, it is possible to be set in this second insertion section 31 rotatably, and there is a spiral shell be located at the sun of this female thread section 24 Thread segment 71 and one supports only at the packing anchor ring 72 of this second packing ring anchor ring 62；In the present embodiment, this forcing piece 70 has and is positioned at Outside first straight length 21 of this first pipe fitting 20 and be positioned at the driver slot 73 in instrumentation tubes portion 312 of this second pipe fitting 30.

The above structure being an each main member of embodiment of the present utility model and configuration explanation thereof.This utility model is at least There is following effect:

Owing to this spacing latch closure 50 is fixed in the limited ring groove 32 of this second pipe fitting 30, and this spacing latch closure 50 by this utility model Spacing outside 51 protrude from the second insertion section 31 outer ring surface of this second pipe fitting 30, the first gasket rings of this packing ring 60 simultaneously Face 61 is only supported in this spacing outside 51, and the second packing ring anchor ring 62 of this packing ring 60 opposite side is again by the packing ring of this forcing piece 70 Face 72 is only supported, and the male threaded section 71 of this forcing piece 70 is arranged in the female thread section 24 of this first pipe fitting 20, by aforementioned The relation that assembles be avoided this first pipe fitting 20 and be axially disengaging with the second pipe fitting 30.

Accordingly, this utility model can avoid this first pipe fitting 20 to be axially disengaging with the second pipe fitting 30, mainly at this second pipe Form in the way of rolling and processing on second insertion section 31 of part 30 and overlap this solid limited ring groove 32 for this spacing latch closure 50, The set of this packing ring 60 of arranging in pairs or groups again is solid to be limited and the restriction that screws togather of this forcing piece 70 is reached, and therefore, the second pipe fitting 30 is being processed On the most convenient, compared to the pipe fitting of prior art with welding processing for, process technology level is relatively low and does not have because of welding Processing and have the consideration in selection, hot type pipe fitting connected structure of the present utility model is reached to process purpose easily really.

It is noted that refering to shown in Fig. 4, for the replacing state diagram of this utility model one preferred embodiment, due to this second Second insertion section district 31 of pipe fitting 30 is divided into a plant pipe portion 311 being inserted in this first straight length 21 and to connect this inserting Put pipe portion 311 and be positioned at the instrumentation tubes portion 312 outside this first straight length 21, and this forcing piece 70 have be positioned at this second pipe The driver slot 73 in part 30 instrumentation tubes portion 312, therefore, when being intended to dismantle these first and second pipe fitting 20,30, utilizes a dismounting work Tool (not shown) holding is at each driver slot 73, and thereby drives spiral to turn on from this female threaded portion 24 this forcing piece 70, Carry out the dismounting of this first and second pipe fitting 20,30.

Finally referring to shown in Fig. 3 and 5, the enforcement for this utility model one preferred embodiment uses state, can be seen that in figure Owing to the caliber of this second pipe fitting 30 second insertion section 31 is less than the caliber of this first pipe fitting 20 first straight length 21, therefore, When those first and second bodys 20,30 are arrangements and hang on a support body T, this support body T has plural number and U-shaped holds wall Putting Z, those first and second bodys 20,30 will wear to be held wall device Z by those and hangs according to this and be immobilizated on this support body T, because of This, when being intended to dismantle those first and second bodys 20, certainly will make those first and second bodys 20,30 hold wall device by those Z, just must the most conveniently carry out follow-up pigging or relevant operation by those first and second body 20,30 removals, and this practicality is new Type, through above-mentioned improvement, solves tearing pipe shop problem open and greatly improving its convenience of prior art already.

In sum, the various embodiments described above and accompanying drawing are only preferred embodiment of the present utility model, not in order to limit this reality With novel protection domain, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement done Deng, all should be included in protection domain of the present utility model.

Claims (7)

1. a hot type pipe fitting connected structure, it is characterised in that comprise:

One first pipe fitting, has one first straight length, one is located at first mouth of pipe of described first straight length one end and is located at The ring shoulder in stating the first straight length and sequentially arranged towards described first mouth of pipe direction；

One second pipe fitting, have a part be plugged in described first straight length and support only described ring shoulder the second insertion section, And one is recessed at described second insertion section outer ring surface and the limited ring groove that is positioned at described first straight length；

One spacing latch closure, is fixed in described second insertion section, and has the spacing inside being located at described limited ring groove and one Spacing outside outside described limited ring groove；

One packing ring, is fixed in described second insertion section, and have one be positioned at described limited ring groove side and support only described spacing outside The first packing ring anchor ring in portion and one is in reverse to the second packing ring anchor ring of described first packing ring anchor ring；And

One forcing piece, it is possible to being set in described second insertion section rotatably, the other end is connected with this first pipe fitting part, and one supports Only at the packing anchor ring of described second packing ring anchor ring.

Hot type pipe fitting connected structure the most according to claim 1, it is characterised in that the second insertion section of described second pipe fitting Divide into one be inserted in the plant pipe portion in described first straight length and a described plant pipe portion of connection and be positioned at described first straight tube Instrumentation tubes portion outside Duan.

Hot type pipe fitting connected structure the most according to claim 1, it is characterised in that described second pipe fitting the second insertion section Caliber is less than the caliber of described first pipe fitting the first straight length.

Hot type pipe fitting connected structure the most according to claim 1, it is characterised in that described first pipe fitting has more one and connects and set First bend loss and one of described first straight length connects the first insertion section setting described first bend loss；Described second pipe fitting is more Have one to connect to set second bend loss and of described second insertion section and connect the second straight length setting described second bend loss.

Hot type pipe fitting connected structure the most according to claim 1, it is characterised in that described first pipe fitting has more one and is located at Ring wall face in described first straight length and between the end that described ring shoulder engages with described first pipe fitting.

Hot type pipe fitting connected structure the most according to claim 5, it is characterised in that the ring wall face of described first pipe fitting and institute Stating ring shoulder to connect, the end engaged with described first pipe fitting is connected between described ring wall face and described first mouth of pipe.

Hot type pipe fitting connected structure the most according to claim 5, it is characterised in that further include a baffle ring, be fixed in institute State the second insertion section and support only in described first straight length ring wall face, and having one and be positioned at described ring shoulder and described limited ring groove one Between side and to the stop surface stopped in described spacing outside.