CN203189926U - Pipe body connecting structure - Google Patents

Abstract

The utility model provides a pipe body connecting structure, which enables a plurality of pipe bodies to be disposed in parallel in a tight coupling manner or to be stacked, even if a joint coupling part is provided. The pipe body connecting structure is characterized in that the end portion of the pipe body has a circular cross section and is provided with a ring-shaped protruding strip part; at least one pipe body is provided with a cross section which is a square wall part; the joint comprises two semi-arc separating bodies; two end parts of the joint at the circumferential direction are respectively provided with a threaded hole for tight screwing; a connecting part where the end parts of the two connected pipe bodies are jointed in the same posture is provided with a watertight pad; the two joints are connected in a tight screwing manner at the diagonal of the square wall part of the pipe body.

Description

Pipe connection structure

Technical field

The utility model relates to the pipe connection structure that a kind of end is the cross section circle, is about connecting two pipe connection structures between the synthetic resin corrugated pipe, and preferably, the body of at least one bellows also has cross section rectangular wall part except circular end.

Background technique

All the time, diversified synthetic resin corrugated pipe is arranged, in addition, the connection that is fit to various tubular constructions with joint also by with diversified form manufacturing and be used.These joints can roughly be divided into, the joint that forms adapter body with tubular with separates the joint of shape formation adapter body with two.The utility model falls into the latter to be separated in the joint scope of shape formation with two.

But, existing pipe joint, no matter these are the tubular joints, still two separate straight coupling, all are the joints that outer circumference diameter is bigger or peripheral shape is bigger than the body that connects.That is, joint constitutes in the mode of giving prominence to laterally from the body periphery that is connected.

The model utility content

Model utility problem to be solved

Therefore, because the partial shape that body connects by joint becomes big, usually, at least there is the part of joint, can not make between the many bodys the same as with disconnected part to be adjacent to shape pipe arrangement arranged side by side, perhaps the storehouse pipe arrangement usually like this, it would be better to say that this is turned to natural situation by general knowledge

But the utility model provides a kind of pipe connection structure that forms with following structure and attaching method thereof, namely, be in the pipe connection structure of object at the synthetic resin corrugated pipe that partly has the ring-type projecting strip part with aforesaid cross section circular wall, even if between the connection body, joint in joint, can not occur and give prominence to and make the big situation of shape change to peripheral direction; And will provide at this, and even if there is the joint attachment portion, also can make between the many bodys the same as with disconnected part to be adjacent to shape pipe arrangement arranged side by side, the perhaps connecting means of storehouse pipe arrangement.The utility model is to be particularly suitable for, the pipe connection structure of the synthetic resin corrugated pipe that its tube wall partly alternately forms with cross section rectangular wall part and cross section circular wall on tube axial direction.

Solve the method for problem

For reaching this purpose, the utility model provides a kind of linkage structure of synthetic resin pipe body, wherein,

Described body end is the cross section circle and possesses the ring-type projecting strip part;

Joint is two detached bodys of semicircle arcuation, and described joint has the edge portion that is formed by the inner peripheral surface side at the width direction two end part and the concave groove that forms and have to tighten at the circumferencial direction two end part and use screw hole;

On the joint of the end that makes two bodys that will connect with identical attitude butt joint, intervention has the watertight liner, described edge portion by described joint is clamped in the described ring-type projecting strip part of two body ends in the female groove, and tightens and connect two adapter body.

In addition, the described watertight that is used for described pipe connection structure is formed by elastic material with liner, and having described edge portion in the female groove internal ratio both sides of adapter body more to the recessed shape of outer circumferential face side, described watertight is laterally only given prominence to the structure of suitable thickness with the surface portion at circumferencial direction two end part than the surface portion at adapter body two end part with liner and is formed.

The described watertight that is used for described pipe connection structure has with liner, the flange of giving prominence to from semicircle arcus part two end portions to peripheral direction.

With regard to the described watertight that is used for described pipe connection structure was used liner, the width direction middle body of semicircle arcus part was to the side-prominent protuberance of inner face, and both side edges portion is to the recessed reentrant part of outer circumferential face side.

Preferably, in the pipe connection structure, described adapter body forms in the mode of the semicircle a little littler than positive semicircle.

Preferably, in the pipe connection structure, described adapter body is with roughly the same with the peripheral shape of body cross section rectangular wall part or than its a little little shape formation.

Preferably, in the pipe connection structure, described watertight has two along the circumferential direction outstanding convex tendons with liner at the inner face of described protuberance.

Preferably, in the pipe connection structure, with regard to liner, the surface portion of at least one side in described two end part has to the convex tendon of the inner face side final end of this liner protuberance with regard to described watertight.

Preferably, in the pipe connection structure, described watertight is 0.1～1.0mm with the outstanding thickness in the described outside of liner.

Description of drawings

Fig. 1 is the stereogram of the 1st embodiment's joint.

Fig. 2 is the adapter body of this joint and the stereogram of liner.

Fig. 3 is the plan view of object bellows.

Fig. 4 is A-A line sectional view among Fig. 3.

Fig. 5 is B-B line sectional view among Fig. 3.

Fig. 6 is the side view of expression joint separated state.

Fig. 7 is the side view of explanation joint and body connecting means.

Fig. 8 is the longitdinal cross-section diagram of expression joint and body coupled condition.

Fig. 9 is the stereogram of expression joint and body coupled condition.

Figure 10 is the side view that is equivalent to Fig. 7 part of the other embodiment's of expression joint.

Figure 11 is the central view in transverse section of the other embodiment's of expression joint.

Figure 12 is that example goes out the plan view according to the attachable volute of the utility model linkage structure.

Figure 13 is the plan view that example goes out the adapter that can connect according to the utility model linkage structure.

Figure 14 is that example goes out the plan view that connects other possible adapters according to the utility model linkage structure.

Description of reference numerals

1 tube wall

2 rectangular wall parts

3 circular wall parts

4 ring-type projecting strip parts

10 adapter body

12 circumferencial direction ends

13 concave grooves

14 side edge parts

15 screw holes

20 watertight liners

21 main bodys

22 flanges

23 central protuberances

24 reentrant part

The P body

The surface portion of F adapter body

F pad surfaces portion

R surface portion convex tendon

R protuberance convex tendon

T gives prominence to thickness

Embodiment

When the joint of the pipe connection structure that implement to be used for constituting with described structure, make adapter body 10 to form than the semicircle about a little little 176 degree～178 degree of the positive semicircle at 180 degree angles, thereby make in use screwing force spread all over whole circumference easily and implement, the profile that maybe can make this adapter body 10 and the peripheral shape of body P cross section rectangular wall part 2 are identical or a little littler and implement than it substantially.In addition, watertight can be implemented as follows with liner 20, and namely the inner face at described protuberance 23 forms along circumferencial direction outstanding two convex tendon r, r, or makes it have a pair of convex tendon with two one group; This watertight is had to the convex tendon R of the inner face side final end of the protuberance 23 of this liner 20 with the surface portion f of the one or both sides in the two end part of liner 20.In addition, in the scope of 0.1～1.0mm, particularly, outstanding thickness is implemented in the scope of 0.2～0.5mm, then can keep the watertight state easily securely with the outstanding outstanding thickness t laterally at liner 20 two end part for this watertight, thereby preferred this scope.

To forming the synthetic resin material of the utility model adapter body 10, be not particularly limited, thermoplastic hard resins such as polyolefin resin such as preferably polyethylene, polypropylene or Corvic for example, with FRP of glass fiber-reinforced resin material etc., particularly, select to use to be difficult for because of the time deterioration, and the outstanding material of traction endurance is good.In addition, watertight uses the material of liner 20 except natural rubber, synthetic rubber, can use soft synthetic resin materials such as rubber-like thermoplastic elastomer (TPE).In addition, adapter body 10 and watertight be with liner 20 independent formation respectively, can bond that both form as one, and be chimeric and form that use also can be implemented during use.

Pipe connection structure of the present utility model if the end has the body of same structure, then can form, connect, and the body body shape that connects identical also can, the shape difference also can.In addition, body also can be long size body, also can be as short adapter (adapter) shape.

Embodiment

Below based on accompanying drawing embodiment of the present utility model is described.Fig. 1 to Fig. 9 is expression joint for corrugated tube of the present utility model and the figure that becomes the body of connecting object.Fig. 1 is the stereogram of expression joint global shape, and Fig. 2 is the stereogram of the shape of expression liner and adapter body.Fig. 3 to Fig. 5 is plan view and the sectional view of expression body, and Fig. 6 is the side view for the explanation joint geometry, and Fig. 7 is that explanation is installed on the side view of the installation method of body with joint, and Fig. 8 and Fig. 9 are longitdinal cross-section diagram and the stereograms of expression state when installing to body.

The joint of representing among this embodiment as shown in Figures 1 and 2, comprising: be one group adapter body 10,10 as two of two detached bodys of semicircle arcuation, wherein adapter body is the monomer moulding product of hard polyvinylchloride resin system; As two of the monomer moulding product of synthetic rubber system be one group watertight with liner 20,20, its have with its one, from the two end portions of the main body 21 that forms with the semicircle arcuation to the outstanding flange 22 of peripheral direction, 22 shape.

This adapter body 10 is, with when these two adapter body are opposed, external shape roughly is octagon, the half point that the rounded mode of interior shape forms exsomatizes, as shown in Figure 2, except width direction both side edges portion 14,14, the intermediate portion is divided into takes in the concave groove 13 that described watertight is used liner 20, and circumferencial direction two end part 12,12 have tightens with screw hole 15,15.In addition, as shown in Figure 2, the circumferencial direction two end part of concave groove 13 are formed with recessed section portion 16 of the flange 22 that takes in described liner 20.

Further this embodiment's adapter body 10, its integral body forms the semicircle shape slightly littler than positive semicircle, thus screwing force spreads all over integral body easily when connecting use.In addition, as Fig. 7 and shown in Figure 9, make its profile form a little little shape of peripheral shape than aftermentioned body P cross section rectangular wall part 2.

Described watertight liner 20, the outer surface of the main body 21 that forms with the semicircle arcuation is roughly level and smooth, and have that its width direction middle body forms heavy wall and to the side-prominent protuberance 23 of inner face, its both side edges partly forms thin-walled and constitutes to the recessed reentrant part 24,24 of outer circumferential face side, and its width forms with the width that the width with the concave groove 13 of described adapter body 10 matches.

This liner 20, as shown in Figure 1, when installing to described adapter body 10, this both sides reentrant part 24,24 more recessed to the outer circumferential face side than the described both side edges portion 14,14 of adapter body 10, these both side edges portions 14,14 and described central protuberance 23 between form groove, this groove has the width that takes in the ring-type projecting strip part 4 that forms at the intermediate portion of aftermentioned body P circular wall 3.Like this, by the ring-type projecting strip part 4,4 at reentrant part 24,24 chimeric bodys, body is to the movement of axial direction, and can keep the mode clamping ring-type securely projecting strip part 4,4 of watertight state at its butt side face when stop connecting reliably.Further, as shown in Figure 6, surface portion f, the f at these liner 20 its circumferencial direction two end part, also give prominence to 0.1～1.0mm laterally than the two end part 12 of adapter body 10,12 surface portion F, F, be preferably set to the thickness t of only giving prominence to 0.2～0.5mm laterally, by such setting, when using between the jointing main body 10,10, butt and firmly being pressed together securely between opposed substrate 20,20 surface portion f, the f is so that also keep water tightness easily in this bearing surface.

Further this embodiment's substrate 20, as shown in Figures 1 and 2, at the inner face formation of described protuberance 23, two convex tendon r, r separating appropriate intervals and along the circumferential direction give prominence to.By this convex tendon r, r, securely near the cut-out end of clamping body, thereby can access the water tightness of more firm pipe circumferencial direction.This convex tendon r, r also can be per two be one group and form.In addition, the liner 20 of the watertight shown in this embodiment, the surface portion f of the side in two end part also forms the semicircle arcuation convex tendon R to the inner face side final end of the protuberance 23 of this liner 20.This semicircle arcuation convex tendon R connects its terminal and described two inner face side convex tendon r, r terminal.The water tightness at bearing surface between liner 20 when thus, keeping use more securely, 20 opposed surface portion f, the f.In addition, in this embodiment's substrate 20, do not form this semicircle arcuation convex tendon R on another surface portion f.But, in case of necessity, implement also can in the mode that also forms convex tendon at another surface portion.

Then, use the body of the symmetry of the pipe joint shown in this embodiment, extremely shown in Figure 5 as Fig. 3, the shape of tube wall 1, on tube axial direction, alternately dispose cross section rectangular wall part 2 and cross section circular wall part 3, make the external diameter of cross section circular wall part 3 littler than the length of cross section rectangular wall part 2, the body P that it forms with concavo-convex corrugated in Fig. 3 plan view, it is a kind of synthetic resin bellows processed that forms as follows, that is: form the ring-type projecting strip part 4 of dihedral at the intermediate portion of the tube axial direction of cross section circular wall part 3, further form at the intermediate portion of this projecting strip part 4 and rectangular wall part 2 and cut off with mark line 5,5.In this embodiment's body P, this cuts off with mark line 5, forms by become big inclined wall 6,6 terminal a little from projecting strip part 4 side direction rectangular wall parts 2 side diameters.But this mark line 5 also can form by the known method that is fit to arbitrarily.

When the bellows P of this spline structure is used the joint of described structure, as Fig. 3 and shown in Figure 8, with two bellows body P that will connect, P stays described ring-type projecting strip part 4 respectively and cuts off with mark line 5 along the cut-out of adjacency, and should cut off end face and docked mutually, the female portion 24 of the liner 20 in the concave groove 13 that is installed on adapter body 10,24 is chimeric, be positioned at two body P of this pipe end, the ring-type projecting strip part 4 of P, 4, and with it with Fig. 6, as shown in Figure 7, make its two ends surface portion F, F is along miter angle line roughly and tilted configuration, utilize tightening with screw hole 15... and tighten connection with screw b separately, thus the formation pipe connection structure.

Like this, half point is from straight coupling main body 10,10, the heeling condition of miter angle connects opposed faces by making its connection to meet roughly, form each adapter body 10,10 connection screw hole 15,15 end 12,12 thereby can make, utilize body P rectangular wall part 2 diagonal part fixed space and connect, therefore, the attachment portion can be in the scope of the rectangular wall part 2 of the body P, the P that connect, namely, to connect from the outstanding state of the imaginary outer circumferential face that forms rectangular wall part 2 at least, do not form pipe connection structure.

Figure 10 and Figure 11 are the figure that represents other embodiment respectively, embodiment shown in Figure 10 is the example with the outer shape of circular-arc formation adapter body 10, embodiment shown in Figure 11, the concave groove 13 that is formed at adapter body 10 is had to the side-prominent outstanding beam 13a of inner face at the intermediate portion of width direction, the left and right sides reentrant part 24 of liner 20,24 is the side-prominent heavy wall that forms to the back side, thereby improves the resiliency of tightening when using.

In the linkage structure of the utility model body, at least one side of the body of connection, the preferred use has Fig. 3 rectangular wall body partly in cross section extremely shown in Figure 5 as described, but the opposing party does not limit its shape.The body that connects can be long size pipe, also can be the adapter that is connected for other long size pipes.Figure 12 be the cross section circle have the body 30 of the strengthening section that forms with the spiral convex at outer circumferential face.Volute 30 has ring-type projecting strip part 32 near the end, the female portion 24 of the liner 20 in the concave groove 13 that is installed on adapter body 10 same as described above, 24 chimeric, make and the difform body of body with cross section rectangular wall part shown in Figure 3, can form linkage structure of the present utility model and connect.

Figure 13 is the body of illustration with cross section as shown in Figure 3 rectangular wall and figure as the adapter of the body that can be connected via the utility model linkage structure.Adapter 40 constitutes as follows, it has near the end construction that is formed with ring-type projecting strip part 42 end identical with the body 30 of Figure 12 example, the male joint 44 that has the cross section circle in another end, and can be connected with the body with the female joint that can hold this hero joint 44.Be equipped with when chimeric with female joint on the male joint 44 and packing 46 that female joint inner face seals.

Figure 14 also is the body of illustration with cross section as shown in Figure 3 rectangular wall and figure as other adapters of the body that can be connected via the utility model linkage structure.Adapter 50 constitutes as follows, it has near the end construction that is formed with ring-type projecting strip part 52 end identical with the body 30 of Figure 12 example, the female joint 54 that has the cross section circle in another end, and can be connected with the body with the male joint that can be connected with this female joint 54.

More than representative embodiment of the present utility model is illustrated, but the utility model is not only to be defined in this embodiment.That is, except shown in these embodiments, having structural element described in the utility model, and reaching the purpose of this utility model, having in the scope of following effect, can appropriate change and implement.

The model utility effect

Clear and definite from the above description, bellows linkage structure of the present utility model is, be the pipe connection structure of object with the synthetic resin corrugated pipe that partly has the ring-type projecting strip part at the cross section circular wall only, its inner face in the synthetic resin adapter body processed of two detached bodys forms concave groove, make it take in elastic material watertight liner processed, in the state when this liner is installed to adapter body, because liner both sides reentrant part is more recessed to the outer circumferential face side than adapter body both side edges portion, can be at the ring-type projecting strip part of the chimeric body of this recessed portion, and can stop body to the movement of axial direction reliably, can be implemented in the watertight state that the butt side face is kept by the firm clamping of body simultaneously.Further, surface portion f, the f at its circumferencial direction two end part of this liner, than surface portion F, the F at the two end part of adapter body outstanding suitable thickness t and forming only laterally, thereby when using, compressed powerfully by concentrating between the opposed substrate surface f of portion, the f, thereby can obtain the remarkable result that connects body with easy and rapidly reliable watertight state.The utility model is be fit to connect, and the shape of tube wall is in the tube axial direction linkage structure of the synthetic resin body of cross section rectangular wall part and cross section circular wall part and formation alternately.

Further, in the connecting means, between the pipe end that cuts off at the ring-type projecting strip part two bodys, that stay the cross section circular portion that uses described joint to connect, make cross section rectangular wall part on the joint that circumferencial direction docks with identical attitude, intervention has the watertight liner, and between this pipe end by two adapter body are tightened to be connected at the diagonal of the rectangular wall of body part.Thereby the end of each adapter body, utilize body rectangular wall part the diagonal part dead space and connect, therefore the attachment portion can connect in the body rectangular wall part scope that connects, can be can very big outstanding state not arranged and connect from the formed imaginary outer circumferential face of body rectangular wall part at least.Thereby have, existing pipe connection structure can not have, even if there is the connection linking portion of body, also need not crooked a plurality of bodys, and can parallel pipe arrangement or the remarkable result of storehouse pipe arrangement.

Claims (9)

1. the linkage structure that pipe connection structure is the synthetic resin pipe body is characterized in that,

Described body end is the cross section circle and possesses the ring-type projecting strip part;

Joint is two detached bodys of semicircle arcuation, and described joint has the edge portion that is formed by the inner peripheral surface side at the width direction two end part and the concave groove that forms and have to tighten at the circumferencial direction two end part and use screw hole;

On the joint of the end that makes two bodys that will connect with identical attitude butt joint, intervention has the watertight liner, described edge portion by described joint is clamped in the described ring-type projecting strip part of two body ends in the female groove, and tightens and connect two adapter body.

2. pipe connection structure according to claim 1, it is characterized in that, described watertight is formed by elastic material with liner, and has described edge portion in the female groove internal ratio both sides of adapter body more to the recessed shape of outer circumferential face side, the structure that described watertight is given prominence to than the surface portion at adapter body two end part with the surface portion at circumferencial direction two end part more laterally with liner and forming.

3. pipe connection structure according to claim 2 is characterized in that, described watertight has the flange outstanding from semicircle arcus part two end portions to peripheral direction with liner.

4. according to claim 2 or 3 described pipe connection structures, it is characterized in that with regard to liner, the width direction middle body of semicircle arcus part is to the side-prominent protuberance of inner face with regard to described watertight, both side edges portion is to the recessed reentrant part of outer circumferential face side.

5. pipe connection structure according to claim 4 is characterized in that, adapter body forms in the mode of the semicircle littler than positive semicircle.

6. pipe connection structure according to claim 5 is characterized in that, adapter body is with identical with the peripheral shape of body cross section rectangular wall part or than its little shape formation.

7. pipe connection structure according to claim 6 is characterized in that, watertight has 2 along the circumferential direction outstanding convex tendons with liner at the inner face of described protuberance.

8. pipe connection structure according to claim 7 is characterized in that, with regard to liner, the surface portion of at least one side in described two end part has to the convex tendon of the inner face side final end of this liner protuberance with regard to watertight.

9. pipe connection structure according to claim 8 is characterized in that, watertight is 0.1～1.0mm with the outstanding thickness in the described outside of liner.

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