CN207049470U - Pipe fitting and its matched mounting tool - Google Patents

Abstract

The utility model discloses a kind of pipe fitting and its matched mounting tool, its drip irrigation device is that pipe fitting includes body, and screw thread is provided with the mouth of pipe of the body, and the outer wall of the body is provided with the horizontal rib that some length directions are set along body axial direction.Pipe fitting matched mounting tool includes ripping bar and the suspension hook being rotationally connected with the middle part of the ripping bar.The utility model rotates pipe fitting by pipe fitting matched mounting tool makes pipe fitting be threadedly coupled with tubing, solves the problems, such as that pipe fitting and tubing connectivity robustness be not high and is connected laborious.

Description

Pipe fitting and its matched mounting tool

Technical field

Municipal construction field is the utility model is related to, in particular, it is related to a kind of pipe fitting and its matched mounting tool.

Background technology

Pipe fitting is the part that pipe is connected into pipeline.Socket fitting, bent bullet duplex melting tube can be divided into according to connection method Part, threaded fitting, flanged fitting and weld-end fittings.

According to the purposes of pipe fitting, very big difference is dimensionally had.The water pipe being generally used in family connects, raceway for wiring The size of connection and the pipe fitting in the connection of electrical equipment pipeline is all smaller, but for the plumbing dimensions one of town road etc. As it is more large-scale, for example the tubing that uses of connection of the underground piping such as sewer, natural gas line or petroleum pipeline is general all It is very big.Spigot-and-socket or screw-type are typically used with regard to current home-use this pipe fitting, because its compact size, installation spirit It is active big；But for the installation of large-size pipe, then spigot-and-socket is typically only used, because its size is big, rotation inconvenience, is installed Very flexible.

Underground piping is to ensure that city runs well most important infrastructure, the life to the mankind bring it is very big just Profit, pipeline turn into and ensure urban safety, the underground life line of normal operation.However, in huge underground pipe network, but exist Many potential safety hazards.

In recent years, road surface collapse phenomenon occurs often in city, directly affects project progress and the people of municipal works Daily life be normally carried out, the live and work also to city dweller cause economic loss while is brought greatly not Just, extremely bad social influence is caused.Road surface collapse phenomenon causes the extensive concern of people, turns into urban safety field and enjoys pass The hot issue of note, and surface collapse a big chunk reason is attributed to underground piping system.Its reason is：

The existing pipeline for being embedded in ground end, more using bayonet joint, during long-term use, pipe fitting connects with tubing Place is met easily to loosen, reason be on ground often to have vehicle opened or other operations caused by vibrations cause pipe fitting and tubing Easily loosen at socket joint and even disengage, even the loosening of very little, the problem of can bring about pipe leakage oil leak, leak oil leak Underground foundation will be produced and washed away, so that the base flexible near pipe fitting even forms pit-hole, in the course of time, will led Pipe fitting depression is caused, so as to depart from tubing, ultimately results in pavement depression.

So reducing the urban safety hidden danger that underground piping leakage is brought, effectively control triggers because of underground piping leakage The generation of security incident turn into one it is in the urgent need to address the problem of.

Utility model content

In view of the deficienciess of the prior art, a purpose of the present utility model is to provide a kind of pipe fitting, it is by changing Become the structure of pipe fitting so as to increasing the fastness that pipe fitting is connected with tubing.

To achieve the above object, the utility model provides following technical scheme：A kind of pipe fitting, including body, the pipe Screw thread is provided with the mouth of pipe of body, the outer wall of the body is provided with the horizontal stroke that some length directions are set along body axial direction Rib.

By using above-mentioned technical proposal, when with the pipe fitting to connect tubing, the mouth of pipe of pipe fitting two can respectively with tubing It is threadedly coupled, threaded connection has self-locking performance and sealing, on the one hand improves the fastness that pipe fitting is connected with tubing, separately On the one hand, the sealing that pipe fitting is connected with tubing is improved.

Preferably, the side of the horizontal rib forms inner groovy towards close to the side of tube wall.

Preferably, being provided with stop part on the body, the side of the stop part close to the mouth of pipe is provided with sealing ring.

It can support and be located on sealing ring afterwards by using above-mentioned technical proposal, in pipe end insertion and precession tubing, And the portion of being blocked prevents precession, so as to further increase the sealing that pipe fitting is connected with tubing.By improving pipe fitting and tubing The fastness and sealing of connection so that on the one hand tubing is not easy to loosen, another the problem of so as to reduce pipe leakage oil leak Aspect its sealing improves, the problem of decreasing leak oil leak.Final to cause, the leak Leakage of pipeline reduces, and subtracts Lack to being washed away caused by underground foundation, so as to reduce the base flexible near pipe fitting or even form the generation of pit-hole, reduced pipe Part depression departs from tubing and causes the generation of pavement depression.

Preferably, rigid ring pads are provided between the stop part and the sealing ring.

By using above-mentioned technical proposal and the scheme comparison for being not provided with rigid ring pads：When not placing rigid ring pads, work as pipe Material is screwed in pipe fitting when head, and the end of tubing is supported to sealing ring, when tubing continues precession, sealing ring with Larger friction between the end face of stop part be present so that tubing is obstructed larger during precession, and does not reach good Precession effect so that the threaded connection of tubing and pipe fitting is not in place；After rigid ring pads are set between stop part and sealing ring, When tubing is screwed in pipe fitting near head, the end of tubing is supported to an end face of sealing ring, the other end of sealing ring Face is fitted on the end face of stop part, when tubing continues precession, due to friction between tubing, sealing ring and rigid ring pads Effect forms one so that tubing sealing ring and rigid ring pads during precession and then rotate together, due to rigid ring pads It is hard contact between stop part, so both Relative frictions are small, advantageously in the rotation of rigid ring pads, so that pipe Material reaches good precession effect so that the threaded connection of tubing and pipe fitting is more in place.

Preferably, the rigid ring pads be provided with close to the side of the stop part it is some raised or sunken.

By using above-mentioned technical proposal, surface area of the rigid ring pads close to a side surface of the stop part is reduced, So as to reduce the contact area of rigid ring pads and stop part, then rigid ring pads and the relative friction forces of stop part are reduced, more Added with the rotation beneficial to rigid ring pads, so that tubing reaches good precession effect so that the threaded connection of tubing and pipe fitting More in place.

Preferably, the stop part is included by the inwardly projecting baffle ring formed of inboard wall of tube body.

By using above-mentioned technical proposal, in the manufacturing process of pipe fitting, baffle ring can be made with the disposable extrusion molding of body Shaping, is easy to process, and reduces processing cost.Also, it is formed in one due to baffle ring and body, so, the structure of baffle ring is strong Degree is high.

Preferably, the baffle ring is two, annular groove is formed between two baffle rings.

By using above-mentioned technical proposal, when the length of pipe fitting is longer, two baffle rings are separately positioned on close to both ends The position of the mouth of pipe, then the reach of the both ends mouth of pipe can be reduced, so as to reduce unnecessary screw thread process.

Preferably, connected between the inner side of two baffle rings by connection ring, the side wall of body, two baffle rings and connection ring Surround cavity.

By using above-mentioned technical proposal, the bonding strength between two baffle rings is enhanced, in two baffle rings respectively by opposite Support when setting power, enhance the crushing resistance of two baffle rings so that two baffle rings are not easily broken.

Preferably, the interior lateral mouth of pipe side of the baffle ring protrudes to form flange.

By using above-mentioned technical proposal, flange can limit sealing ring, avoid tubing when inside precession Crush seal circle makes sealing ring that excessive deformation occur.In addition, flange can play restriction effect to the port of tubing, pipe is prevented The port of material is deformed inward.Furthermore flange can increase the contact area of pipe fitting and tubing so that the sealing of pipe fitting and tubing More preferably.

In view of the deficienciess of the prior art, another purpose of the present utility model is to provide a kind of pipe fitting supporting installation Instrument, it is capable of the installation of auxiliary pipe fitting and tubing so that people being capable of more easily connecting pipe and tubing, and make both Connection it is more firm.

To achieve the above object, the utility model provides following technical scheme：It is a kind of to be used to coordinate matching somebody with somebody for above-mentioned pipe fitting Cover installation tool, including ripping bar and be rotationally connected with the middle part of the ripping bar and for catching on the suspension hook of the horizontal rib.

In summary, the utility model has the advantages that compared to prior art：Using the supporting erector of pipe fitting When tool is to aid in installing pipe fitting with tubing, the mouth of pipe of pipe fitting is docked with the end of tubing first, then rotates pipe fitting so that pipe Part rotates relative to tubing and realizes and be threadedly coupled.When rotating, using the matched mounting tool, one end of ripping bar is put It is placed on the horizontal rib of pipe fitting and keeps the angle substantially vertical with the length direction of horizontal rib, holds the other end.Then by hook Tip is supported to the bottom surface of the horizontal rib on the downside of pipe fitting, and afterwards, hand-held one end is had an effect upwards so that pipe fitting rotates.By continuous Operation more than repeating can make one energy labour-saving be completed to the threaded connection of pipe fitting and tubing.Also, due to the bottom surface of horizontal rib Inner groovy is provided with, the tip of suspension hook can be buckled in inner groovy, and making ripping bar, suspension hook is not easily disconnected from horizontal stroke during prizing Rib.

Brief description of the drawings

Fig. 1 is the sectional view that pipe fitting is connected with tubing in embodiment one；

Fig. 2 is the front view of rigid ring pads in embodiment one；

Fig. 3 is the use state diagram of embodiment one；

Fig. 4 is the sectional view that pipe fitting is connected with tubing in embodiment two；

Fig. 5 is the sectional view that pipe fitting is connected with tubing in embodiment three；

Fig. 6 is the sectional view that pipe fitting is connected with tubing in example IV；

Fig. 7 is the sectional view that pipe fitting is connected with tubing in embodiment five；

Fig. 8 is the sectional view that pipe fitting is connected with tubing in embodiment six；

Fig. 9 is the sectional view that pipe fitting is connected with tubing in embodiment seven；

Figure 10 is the sectional view of the middle tube body of embodiment eight；

Figure 11 is the axonometric drawing of the rigid ring pads in embodiment nine；

Figure 12 is the sectional view that pipe fitting is connected with tubing in embodiment ten；

Figure 13 is the sectional view that pipe fitting is connected with tubing in embodiment 11.

In figure：1st, body；11st, baffle ring；111st, flange；12nd, screw thread；13rd, annular groove；14th, connection ring；15th, cavity；16th, keep off Block；17th, horizontal rib；171st, inner groovy；18th, translot；19th, flared section；2nd, tubing；3rd, rigid ring pads；4th, sealing ring；41st, slot；5、 Ripping bar；6th, suspension hook.

Embodiment

The utility model is described in further detail below in conjunction with the accompanying drawings.

Embodiment one：A kind of pipe fitting and its matched mounting tool, referring to Fig. 1, pipe fitting includes the body 1 of straight-tube shape（It is or curved Pipe）, the inwall of the both ends mouth of pipe of body 1 is provided with internal thread 12, and the screw thread 12 at both ends is or the both ends along screw thread 12 Screw thread 12 can also be positive/negative thread 12.The baffle ring 11 of ring-type, baffle ring are provided with the inwall of body 1 between two sections of screw threads 12 11 inwardly projecting are integrally formed by the inwall of body 1.Rigid ring pads 3 are respectively arranged with the both ends of baffle ring 11, the rigid ring pads 3 It can be made up of rigid plastics such as the hard metals such as iron, copper, stainless steel or ABS, POM, PS, PMMA, PC, PET, PBT, PPO. The outside fitting of the rigid ring pads 3 is placed with sealing ring 4, and the cross section of sealing ring 4 is U-shaped.

The end set of tubing 2 has the external screw thread 12 coordinated with pipe fitting internal thread 12, so that pipe fitting and the screw thread of tubing 2 12 connections, and can be against in the opening of sealing ring 4 afterwards in the end insertion pipe fitting of tubing 2.

Referring to Fig. 2, some dot bulges are provided with the one side of rigid ring pads 3, naturally it is also possible to be strip projected parts, Plum blossom-shaped projection, triangular hill or other irregular projections etc..Or the or one side in rigid ring pads 3 It is upper that some depressions are set, can be pitting, triangular shaped recess, strip depression or other irregular depressions etc.. Main purpose is the contact area for reducing rigid ring pads 3 and baffle ring 11, so as to advantageously in rigid ring pads 3 relative to baffle ring 11 end face rotates.

Referring to Fig. 3, along its length integrally formed with some horizontal ribs 17 on the outer wall of body 1, the one of horizontal rib 17 Side forms inner groovy 171 to close to the side of the outer wall of body 1.

Wherein, ripping bar 5 and suspension hook 6 are included for rotating the matched mounting tool of the pipe fitting, suspension hook 6 is rotated by bearing pin to be connected It is connected on the middle part of ripping bar 5.Herein, especially, the quality of the bottom of suspension hook 6 and one end of the horizontal phase hook of rib 17 is more than be hinged one End, can be realized, so that after having rotated pipe fitting, ripping bar 5 is by human hand held by increasing the thickness and width at the end One end is forced down downwards, and suspension hook 6 can automatically disengage horizontal rib 17.

When needing to install pipe fitting and tubing 2, operated using the matched mounting tool.Detailed process is as follows：It is first First the mouth of pipe of pipe fitting is docked with the end of tubing 2, then rotates pipe fitting so that pipe fitting rotates relative to tubing 2 and realizes screw thread 12 connections.When rotating, using the matched mounting tool, one end of ripping bar 5 is positioned on the horizontal rib 17 of pipe fitting and protected The angle substantially vertical with the length direction of horizontal rib 17 is held, holds the other end.Then the tip of hook is supported on the downside of pipe fitting In the inner groovy 171 of horizontal rib 17, afterwards, hand-held one end is had an effect upwards so that pipe fitting rotates.By being grasped more than constantly repeating Work can make one, and just energy labour-saving completion pipe fitting is connected with the screw thread 12 of tubing 2.

Embodiment two：A kind of pipe fitting, referring to Fig. 4, the difference of the present embodiment and the pipe fitting of embodiment one is：In body 1 Inwall be arranged at intervals with two baffle rings 11, annular groove 13 is formed between two baffle rings 11.

Embodiment three：A kind of pipe fitting, referring to Fig. 5, the present embodiment and the difference of embodiment two are：Between two baffle rings 11 Connection ring 14 is connected with, so that, the inwall of body 1, two baffle rings 11 and connection ring 14 surround cavity 15.

Example IV：A kind of pipe fitting, referring to Fig. 6, the difference of the present embodiment and the pipe fitting of embodiment one is：Baffle ring 11 Interior lateral mouth of pipe side protrudes to form flange 111, rigid ring pads 3 and sealing ring 4 be placed on the inwall of body 1, baffle ring 11 and In the space that flange 111 is surrounded.

Embodiment five：A kind of pipe fitting, referring to Fig. 7, the present embodiment and the difference of embodiment two are：Baffle ring 11 it is interior lateral Mouth of pipe side protrudes to form flange 111, and rigid ring pads 3 and sealing ring 4 are placed on the inwall of body 1, baffle ring 11 and flange 111 In the space surrounded.

Embodiment six：A kind of pipe fitting, referring to Fig. 8, the present embodiment and the difference of embodiment three are：Baffle ring 11 it is interior lateral Mouth of pipe side protrudes to form flange 111, and rigid ring pads 3 and sealing ring 4 are placed on the inwall of body 1, baffle ring 11 and flange 111 In the space surrounded.

Embodiment seven：A kind of pipe fitting, referring to Fig. 9, the present embodiment and the difference of embodiment five are：The structure of sealing ring 4 It is different.In the present embodiment, the one side of sealing ring 4 offers slot 41 annular, that cross section is V-shaped.Now use end band Tapered tubing 2 is used cooperatively with it.

Embodiment eight：A kind of pipe fitting, referring to Figure 10, the difference of the present embodiment and the pipe fitting of embodiment one is：It will implement The baffle ring 11 of ring-type in example one replaces with the block 16 that some circumference array are distributed in the inwall of body 1, the rigidity now used Ring pads 3 can be then that surface is smooth.

It is, of course, also possible to using the block 16 of some circumference array go alternative embodiment two, embodiment three, example IV, Annular baffle ring 11 in embodiment five, embodiment six and embodiment seven.

Embodiment nine：A kind of pipe fitting, referring to Figure 11, the difference of the present embodiment and the pipe fitting of embodiment one is：With with The rigid ring pads 3 that opening and both ends misplace go to substitute the rigid ring pads 3 of original closed.

It is, of course, also possible to using the rigid ring pads 3 go alternative embodiment two, embodiment three, example IV, embodiment five, Rigid ring pads 3 in embodiment six, embodiment seven and embodiment eight.

Embodiment ten：A kind of pipe fitting, referring to Figure 12, the difference of the present embodiment and example IV is：Cancel the both ends of body 1 Internal thread 12, external screw thread 12 is set at the both ends of body 1, and baffle ring 11 is arranged on the outer wall of body 1 and is located at two sections of spiral shells Between line 12.Now, in the outer wall of baffle ring 11 along some translots 18 of Zhou Kaishe, horizontal rib 17 is formed between adjacent translot 18.

Now, the end set of tubing 2 has internal thread 12, and tubing 2 is coordinated with body 1 makes both screw thread 12 be connected.

Embodiment 11：A kind of pipe fitting, referring to Figure 13, the present embodiment and the difference of embodiment one are：The two of body 1 End is provided with flared section 19, and this design also turns into bent bullet, and baffle ring 11 is formed between the outer end of flared section 19 and body 1.Expand Mouth section 19 shows especially prominent, crust deformation of the flared section 19 mainly on reply pipeline direction in terms of along Cheng Ziran flexible compensations It is dynamic, a deformation range is provided for pipe fitting, makes pipe fitting entirety amount of deflection preferable, the ability that overall adaptation soil layer changes is preferable.

Certainly, can also be to embodiment two, embodiment in addition to it flared section 19 can be set at the both ends of embodiment one 3rd, the both ends of example IV, embodiment five, embodiment six, embodiment seven, embodiment eight, embodiment nine and embodiment ten are set Put flared section 19.

In addition to all of above embodiment, the structure of pipe fitting and tubing 2 can also be exchanged, i.e., at the both ends of tubing 2 point 12 and baffle ring 11, rigid ring pads 3 and sealing ring 4 etc. are not threaded, or carry out various combinations and change.

Described above is only preferred embodiment of the present utility model, and the scope of protection of the utility model is not limited merely to Above-described embodiment, all technical schemes belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.

Claims (10)

1. a kind of pipe fitting, including body (1), it is characterised in that：Screw thread (12) is provided with the mouth of pipe of the body (1), it is described The outer wall of body (1) is provided with the horizontal rib (17) that some length directions are set along body (1) axial direction.

2. pipe fitting according to claim 1, it is characterised in that：The side of the horizontal rib (17) towards close to body (1) outside The side of wall forms inner groovy (171).

3. pipe fitting according to claim 1, it is characterised in that：Stop part, the stop part are provided with the body (1) The side of the mouth of pipe is provided with sealing ring (4).

4. pipe fitting according to claim 3, it is characterised in that：It is provided between the stop part and the sealing ring (4) Rigid ring pads (3).

5. pipe fitting according to claim 4, it is characterised in that：The rigid ring pads (3) are close to the side of the stop part It is provided with some raised or sunken.

6. pipe fitting according to claim 3, it is characterised in that：The stop part includes inwardly projecting by body (1) inwall The baffle ring (11) of formation.

7. pipe fitting according to claim 6, it is characterised in that：The baffle ring (11) is two, shape between two baffle rings (11) Into annular groove (13).

8. pipe fitting according to claim 7, it is characterised in that：Pass through connection ring between the inner side of two baffle rings (11) (14) connect, side wall, two baffle rings (11) and the connection ring (14) of body (1) surround cavity (15).

9. pipe fitting according to claim 6, it is characterised in that：Protrude to be formed in the interior lateral mouth of pipe side of the baffle ring (11) Flange (111).

A kind of 10. matched mounting tool for being used to coordinate pipe fitting as claimed in claim 1, it is characterised in that：Including ripping bar (5) Suspension hook (6) with being rotationally connected with the middle part of the ripping bar (5) and for catching on the horizontal rib.