CN206234526U - Compound anchoring body and the assembling pipe joint using the anchoring body - Google Patents

Abstract

A kind of compound anchoring body and the assembling pipe joint using the anchoring body, elastomer in compound anchoring body is the narrow vertical bar shaped polyhedron in bottom width top, its bottom surface, it is left, right side is plane and bottom surface is in isosceles trapezoid, its top surface is the curved surface that plane is linked to be with plane complications, several tooth bars interval is embedded on elastic body length L directions, tooth bar sawtooth tooth top direction is parallel with the side long of each plane for being linked to be curved surface, several uniform relief portions in L directions along its length are offered on elastomer horizontal plane, along elastomer width W directions, one tooth bar is adjacent with least one relief portion.After being put into the anchoring storehouse of assembling pipe joint bellmouth after at least one annular anchoring body of the compound end to end formation of anchoring body, sawtooth and receptacle wall are engaged.It is good and adapt to different tube diameters tubing that above-mentioned compound anchoring body and assembling pipe joint manufacture simple, easy to use, anchoring effect.

Description

Compound anchoring body and the assembling pipe joint using the anchoring body

Technical field

The utility model is related to a kind of pipe joint device, more particularly to a kind of compound anchoring body for pipe joint With the assembling pipe joint using the anchoring body.

Background technology

Traditional pipe joint, it is necessary to be set from anchor structure in interface, there is the pipeline from anchor structure for stable connection Interface structure is simple, easy for installation, is widely used in fields such as municipal works, On The Oil And Gas Transportations.

Existing interface is mainly divided to two classes, and a class is that have from anchor ring structure, and another kind of is nothing from anchor ring structure.From anchor ring structure By in socket setting projection from anchor ring, baffle ring being set in bellmouth, baffle ring is utilized by projection from anchor after socket insertion bellmouth Ring is limited in bellmouth, reaches the purpose that interface is independently anchored, and such as Chinese utility model of Publication No. CN102297297A is special One kind " there is the Spigot-and-socket pipe joint of anchoring structure " disclosed in profit.Such restricted type interface is disadvantageous in that, ties Structure is relative complex, and the more common tubing of cost is high, is usually to be formed in socket end built-up welding from anchor ring, and technique is relative complex, typically not Can field fabrication, and tubing can not cut during in-site installation, construction inconvenience when pipeline designs change, when often result in engineering and prolong By mistake.Nothing from anchor ring structure is ensured from anchor using other structures.For example, the Chinese utility model of Publication No. CN1103149A is special A kind of improvement shaped steel tooth self-anchoring joint is disclosed in profit application, its steel tooth and elastomer are also to be separated with O-ring seal, its Part during work from windlass structure is stuck in bellmouth end face, so as to provide tension from outside anchor storehouse using partial elastic element Power causes that steel tooth is pressed on pipeline outer wall, although this kind of structure is relatively easy compared with from anchor ring structure and is not required to built-up welding from anchor ring, work Skill is also greatly simplified, but, its steel tooth by tightening force but easily because external factor is influenceed, cause not steady enough from anchor performance It is fixed, also, should be the complete domain from anchor structure, mould is larger, and manufacturing expense is high, be not easy to the manufacturing.

Based on this, in the market occurs in that a kind of nothing for completing to be connected from anchor using steel tooth is inlayed on O-ring seal from anchor again Ring structure.As shown in Figure 9, Figure 10, connecting for pressure pipeline described in the U.S. Utility Patent of Patent No. 5269569 The hold-down mechanism for connecing, the ＇ of steel tooth 26 can be embedded in the ＇ socket end outer walls of tubing 30, institute when outwards being extracted after its socket 3 ＇ insertion bellmouths 2 ＇ Being that can reach the limitation purposes extracted from the ＇ of bellmouth 2 of the ＇ of socket 3 using the inlay resultant force between the ＇ of tubing 30 and the ＇ of steel tooth 26.But It is that such self-anchoring joint is embedded on the overall ＇ of ring packing rubber ring 14 using the ＇ of steel tooth 26, the ＇ of sealing rubber ring 14 manufacture works Skill is complicated, and because hardness is limited by sealing requirements, so it is typically undesirable from anchor performance, can be only applied to low pressure shape State, it is impossible to meet the application requirement of mesohigh, this allows for interface leak risk when operation pipeline inside produces water hammer and drastically increases Greatly.And, it is necessary to the ＇ of whole sealing rubber ring 14 is loaded the corresponding ＇ of anchoring storehouse 13 by installation personnel during actual installation Interior, generally requiring to bow out two to three " several " word is curved just can smoothly load, meanwhile, the presence of the ＇ of steel tooth 26 makes whole caulking gum The rigidity increase of 14 ＇ is enclosed, the position of the ＇ of adjustment steel tooth 26 is difficult in installation process, generally requiring many people's cooperations can just complete, and pacify Time-consuming for dress, and operation is numerous and diverse, and is difficult to ensure installation quality, causes artificial waste.In addition, the ring-type knot of the ＇ of sealing rubber ring 14 Structure also makes its volume in transportation larger, is difficult to pile up, and causes cost of transportation to increase.Further, for the pipe of different bores Part is, it is necessary to the rubber ring of the different bores of special mould production of correspondingly-sized, causes production cost to increase, while organization of production is more It is trouble, production efficiency is than relatively low.

In addition, also disclosing a kind of retaining ring in the Chinese utility model patent of Publication No. CN101044349A, this is Without one kind deformation from anchor ring structure, its shortcoming for being directed to integral sealing cushion rubber, the toothed rigidity being made of hardening metal Sections and retaining ring is constituted by the connecting element that elastomeric material is made, but because it uses metal segments plus Elastic Node Mechanism connection Mode, metal segments enormous size, difficulty of processing is high, increase manufacturing cost, and it is actually used in, due to its flexible member size compared with Small, when outer diameter tube is in lower variation of tolerance, the tightening force that flexible member is provided will be strongly reduced, and be difficult to from anchor effect, and And pipe surface often has certain radian, becket cannot be abutted on bellmouth completely, so steel tooth is it cannot be guaranteed that touch Pipe shaft, this is also easily caused from anchor disabler.

Utility model content

The technical problems to be solved in the utility model be to provide it is a kind of manufacture simple, easy to use, anchoring effect it is good, Bearing capacity is high and adapts to the compound anchoring body of different tube diameters tubing.

The utility model is combined anchoring body, including elastomer, tooth bar, and the elastomer is the narrow vertical bar shaped multiaspect in bottom width top Body, its bottom surface, left side, right side are plane, and top surface is the curved surface that plane is linked to be with plane complications, and the bottom surface is in isosceles Trapezoidal shape, several tooth bars interval is embedded on the length L directions of the elastomer, the direction of the tooth top of the sawtooth of the tooth bar Substantially the side long with each plane for being linked to be the curved surface is parallel, several is further opened with the horizontal plane of the elastomer and is grown along it The uniform relief portion in degree L directions, along the width W directions of the elastomer, a tooth bar is adjacent with least one relief portion.

The utility model is combined anchoring body, wherein the relief portion is along the recessed of the height H directions extension of the elastomer Groove or through hole.

The utility model is combined anchoring body, wherein the addendum angle α of the sawtooth is 50 ° to 90 °, the shore of the elastomer Hardness is 40HA~90HA.

The utility model is combined anchoring body, wherein the addendum angle α of the sawtooth is 65 ° to 75 °, the shore of the elastomer Hardness is 55HA~70HA.

The utility model is combined anchoring body, wherein the addendum angle α of the sawtooth is 70 °.

The utility model additionally provides a kind of assembling pipe joint using above-mentioned compound anchoring body, including bellmouth and inserts Mouthful, described bellmouth one end inwall is provided with the anchoring storehouse and gas-tight silo for being groove type, seal is equiped with the gas-tight silo, In the anchoring storehouse built with the end to end annular anchoring body for being formed of compound anchoring body as described at least one, the sawtooth position In the annular anchoring body radially inner side and the sawtooth tooth top towards the inboard of the bellmouth, the maximum week in the anchoring storehouse The maximum perimeter less than the annular anchoring body long, the minimum diameter R of the annular anchoring body less than socket external diameter r, it is described Sawtooth is engaged with the outer wall of the socket.

Above-mentioned technical proposal of the present utility model at least has the advantages that compared with prior art：

1st, integral ring-shaped or steel part segments in a circular shape compared to tradition from anchor structure, the compound anchoring body of the application is in production It is vertical bar shaped, production mould is simpler, the processing and fabricating of mould is also more convenient, substantially increases Mold Making or sizing adds Work production efficiency so that production cost is substantially reduced, or even the socket pipe member of different tube diameters can use same mould, only need The length of outline micro-adjustment compound anchor solid increases the number that press-in anchors the compound anchoring body in storehouse, and this just makes production Efficiency has and is significantly lifted, meanwhile, the annular anchoring piece that the compound anchoring body of vertical bar shaped is more traditional occupies little space, transport Also more facilitate.

2nd, using tooth bar and the compound anchoring body of elastomer composition, the sawtooth on tooth bar is ensured using the thrust of elastomer Anchoring receptacle wall so that anchor arrangement is greatly simplified, stability is improved, while avoiding flexible member provides tightening force not The problem of foot.

3rd, for not using the anchoring piece of relief portion, when socket pipe member Interface design gap be respectively at it is minimum and maximum During situation, the thrust difference produced by elastomer compression is huge, and when especially design gaps are minimum, installation resistance is very big, this reality Relief portion is provided with the elastomer of tooth bar side with new, installation resistance is efficiently reduced, installation effectiveness is improve.

4th, when composite anchors are installed, directly press it into correspondence anchoring storehouse, make it offset to form ring junction from beginning to end Structure, it is not necessary to which extra accessory and special installation tool conveniently and efficiently can be fixed in bellmouth, it is ensured that effectively locked Determine bellmouth and socket, also, due to annular anchoring body and anchoring storehouse form fit, annular anchoring body is only anchored in anchoring storehouse Function, does not have sealing property, and other bins with extraneous factor or bellmouth are not interfered, thus locking performance more stablize, can Lean on, will not be loosened because extraneous factor influences.

Other details and feature of the compound anchoring body of the utility model and the assembling pipe joint using the anchoring body, pass through Read cheer and bright by the embodiment encyclopaedized with reference to accompanying drawing.

Brief description of the drawings

Fig. 1 is the dimensional structure diagram of the compound anchoring body of the utility model；

Fig. 2 is the top view of Fig. 1；

Fig. 3 is the right pseudosection of Fig. 1；

Fig. 4 is assembling pipe joint use state front view of the present utility model before socket insertion；

Fig. 5 is the dimensional structure diagram of annular anchoring body in Fig. 4；

Fig. 6 is the partial enlarged drawing at A in Fig. 4；

Fig. 7 is assembling pipe joint anchoring status front view of the present utility model after socket insertion；

Fig. 8 is the partial enlarged drawing at B in Fig. 7；

Fig. 9 is the schematic diagram of non-anchoring status before the existing hold-down mechanism socket insertion for pressure pipeline connection；

Figure 10 is the schematic diagram of anchoring status after the existing hold-down mechanism socket insertion for pressure pipeline connection.

Specific embodiment

As shown in Figure 1 to Figure 3, compound anchoring body 1 of the present utility model, including elastomer 4, to obtain appropriate deformation effect Really, the shore hardness of elastomer 4 is 40HA~90HA, preferably 55HA~70HA.Elastomer 4 is that the narrow vertical bar shaped in bottom width top is more Face body.Its bottom surface 41, left side 42, right side are plane, and top surface 44 is the curved surface that plane is linked to be with plane complications.Wherein, Bottom surface 41 is isosceles trapezoid, and top surface 44 includes the preceding connection plane 441 and preceding connection plane that are connected with the front seamed edge of bottom surface 41 The transition plane 442 of 441 connections and the horizontal plane 443 of the connection of transition plane 442 and the intermediate incline of the connection of horizontal plane 443 444.Connected by cambered surface 445 between the trailing edge of intermediate incline 444 and bottom surface 41.The embedded bullet from transition plane 442 of tooth bar 2 In gonosome 4, sawtooth 21 is provided with tooth bar 2, the forward and backward seamed edge of the direction of the tooth top of sawtooth 21 substantially with transition plane 442 is parallel. 4 intervals of tooth bar 2 are embedded on the length L directions of elastomer 4, and certainly, the number of tooth bar 2 can be big according to socket pipe member caliber Small determination, when caliber is larger, it is necessary to during elastomer 4 more long, it is necessary to increase the quantity of tooth bar 2, otherwise then reduce tooth bar 2 Quantity.And, multiple tooth bars 2 can be distributed on uniformly or on the length L directions of elastomer 4.Meanwhile, it is many on length L directions Individual tooth bar 2 both can arrange in alignment along the long axis (length L directions) of elastomer 4, it is also possible to interlock cloth along long axis Put.It is to ensure anchoring effect, the tooth bar 2 is made of hard material, it is for instance possible to use metal, alloy, ceramics or other are hard The suitable material of degree is made, and the tooth bar 2 of the present embodiment is adopted and is made of a steel.The crown apex angle α of above-mentioned sawtooth 21 is 50 ° to 90 °, excellent 65 ° to 75 ° are selected, the present embodiment is 70 °.To ensure to be engaged effect with socket, along the width W directions of compound anchoring body 1, sawtooth 21 are provided with three rows.The row of the sawtooth 21 can also suitably increase according to anchoring requirements, not enumerate herein.Elastomer 4 Horizontal plane 443 on be further opened with 4 uniform relief portions 3 in L directions along its length, along the width W directions of elastomer 4, one Tooth bar 2 is adjacent with a relief portion 3, if necessary, it is also possible to two and two or more relief portion 3 are set near tooth bar 2.This is moved back It is the through hole extended along the height H directions of elastomer 4 to allow portion 3.The through hole can also be deformed into along the height H directions of elastomer 4 The groove of extension.The simple structure of relief portion of the present utility model 3, it is easy to process.In bellmouth insertion process, tooth bar 2 is along elasticity The width W directions movement of body 4, relief portion 3 can be compressed so that the thrust that the elastomer 4 at the rear portion of tooth bar 2 is provided is more steady Fixed, the thrust that tooth bar 2 will not be caused to be subject to because of change of the socket pipe member Interface design gap in the margin of tolerance is mutated, Solve the problems, such as that general self-anchoring joint installation difficulty when Interface design gap is in lower variation of tolerance is big.

As shown in Fig. 4, Fig. 6, using in the assembling pipe joint (i.e. self-anchoring joint) of above-mentioned compound anchoring body 1, bellmouth 10 Left end inwall is provided with anchoring storehouse 11, the gas-tight silo 12 for being groove type, and inwall extends radially inwardly to form annular along bellmouth 10 Cut-off shoulder 101, annular cut-off shoulder 101 is located between anchoring storehouse 11 and gas-tight silo 12, and seal 7 is equiped with gas-tight silo 12.Such as Shown in Fig. 5,3 compound anchoring bodys 1 as shown in Figure 1 are end to end to be enclosed to form annular anchoring body 20, specifically, 3 elasticity Adjacent left and right end face offsets to enclose successively and circularizes after the bending of body 4, and sawtooth 21 is located at the annular radially inner side of anchoring body 20.Certainly, The annular anchoring body can also be formed by a length compound anchoring body more long, will the compound anchoring body elastomer Left and right end face connects.The maximum perimeter in above-mentioned anchoring storehouse 11 is less than the maximum perimeter of annular anchoring body 20, annular anchoring body 20 need crimp to be just placed in after bending anchors in storehouse 11, to avoid annular anchoring body 20 from being come off from anchoring storehouse 11.Annular The profile of anchoring body 20 coordinates with anchoring storehouse 11, and specifically, the bottom width top of elastomer 4 is narrow, bottom surface 41 wider and with the bottom surface Inwall of the cambered surface 445 of 41 connections with anchoring storehouse 11 is fitted, it is ensured that installation accuracy.If the bottom of elastomer 4 is same with top Width, after installation, the compression ratio of the compression ratio much smaller than top of its bottom, the annular anchoring body 20 after installation is unstable, is Evade the problem, elastomer of the present utility model 4 is using the narrow design in above-mentioned bottom width top so that the top and bottom of elastomer 4 Compressive state is more reasonable, and the end face of the left and right of two neighboring elastomer 4 two can preferably against advantageously forming Stability Analysis of Structures Annular anchoring body 20.To produce enough thrusts when inserting socket 13 to elastomer 4, in the minimum of annular anchoring body 20 External diameter rs of the footpath R less than socket 13.The crown of sawtooth 21 is inboard towards bellmouth 10, after in the insertion bellmouth 10 of socket 13, sawtooth 21 can firmly be engaged with the outer wall 131 of socket 13.After sawtooth 21 is engaged with outer wall 131, socket 13 can drive annular when rotating Anchoring body 20 is circumferentially rotated in anchoring storehouse 11 along bellmouth 10.In attachment means of the present utility model, sawtooth 21 plays anchoring and connects Mouthful effect, the presence of relief portion 3 elastomer 4 can be sufficiently compressed and provide abundance to metalwork tooth bar 2 when mounted Make a concession space.

The installation method of above-mentioned assembling pipe joint, comprises the following steps：

A, seal 7 is placed in gas-tight silo 12；

B, 3 compound anchoring bodys 1 are pressed into successively end to end in anchoring storehouse 11 form annular anchoring body 20；

C, socket 13 is gradually inserted in bellmouth 10 along its axial direction, elastomer 4 and relief portion 3 are compressed so that sawtooth 21 Closely it is engaged with outer wall 131.

As shown in Figure 7, Figure 8, socket 13 is inserted in the bellmouth 10 for having installed annular anchoring body 20 and seal 7, is moved back Portion 3 is allowed to be squeezed, so the sawtooth 21 on tooth bar 2 can be engaged with outer wall 131, when socket 13 is extracted from bellmouth 10, due to The crown of sawtooth 21 is inclined towards bellmouth 10 is inboard, so sawtooth 21 can be engaged outer wall 131, prevents the extraction of socket 13, is thus reached To interface from the purpose of anchor.It can be seen that, assembling pipe joint of the present utility model need not be from anchor ring, quick for installation, strong adaptability.

Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality New scope is defined, and on the premise of the utility model design spirit is not departed from, those of ordinary skill in the art are to this Various modifications and improvement that the technical scheme of utility model is made, all should fall into the protection of the utility model claims determination In the range of.

Claims (6)

1. a kind of compound anchoring body (1), including elastomer (4), tooth bar (2), it is characterised in that：The elastomer (4) is bottom width The narrow vertical bar shaped polyhedron in top, its bottom surface (41), left side (42), right side are plane, and top surface (44) is plane and plane The curved surface that complications are linked to be, in isosceles trapezoid shape, several tooth bars (2) interval is embedded in the elastomer (4) to the bottom surface (41) Length L directions on, the direction of the tooth top of the sawtooth (21) of the tooth bar (2) substantially with the length of each plane for being linked to be the curved surface Side is parallel, and several uniform relief portions in L directions along its length are further opened with the horizontal plane (443) of the elastomer (4) (3), along the width W directions of the elastomer (4), a tooth bar (2) is adjacent with least one relief portion (3).

2. compound anchoring body (1) according to claim 1, it is characterised in that：The relief portion (3) is along the elastomer (4) groove or through hole that height H directions extend.

3. compound anchoring body (1) according to claim 2, it is characterised in that：The addendum angle α of the sawtooth (21) is 50 ° To 90 °, the shore hardness of the elastomer (4) is 40HA~90HA.

4. compound anchoring body (1) according to claim 3, it is characterised in that：The addendum angle α of the sawtooth (21) is 65 ° To 75 °, the shore hardness of the elastomer (4) is 55HA~70HA.

5. compound anchoring body (1) according to claim 4, it is characterised in that：The addendum angle α of the sawtooth (21) is 70 °.

6. using the assembling pipe joint of the compound anchoring body (1) any one of claim 1 to 5, including bellmouth (10) With socket (13), described bellmouth (10) one end inwall is provided with the anchoring storehouse (11) and gas-tight silo (12) for being groove type, described Seal (7) is equiped with gas-tight silo (12), it is characterised in that：In the anchoring storehouse (11) built with multiple as described at least one The annular anchoring body (20) of anchoring body (1) end to end formation is closed, the sawtooth (21) is positioned at annular anchoring body (20) footpath To inner side and the sawtooth (21) tooth top towards the bellmouth (10) inboard, the maximum perimeter of the anchoring storehouse (11) is less than The maximum perimeter of the annular anchoring body (20), the external diameters of the minimum diameter R less than socket (13) of the annular anchoring body (20) R, the sawtooth (21) is engaged with the outer wall (131) of the socket (13).