CN206130368U

CN206130368U - Universal joint for pipe connection

Info

Publication number: CN206130368U
Application number: CN201620993842.6U
Authority: CN
Inventors: 徐胜
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-08-30
Filing date: 2016-08-30
Publication date: 2017-04-26
Anticipated expiration: 2026-08-30

Abstract

The utility model belongs to the technical field of pipe joint, relate to universal joint for pipe connection, including first ring form, second ring form, third ring form, first ring form is connected with second ring form joint, and first ring form forms the truncate sphere with the internal diameter with the internal surface of second ring form, and the outer end of first ring form is provided with the coupling, and first ring form is formed with the ring channel with combination department of second ring form, is provided with ring type seal in the ring channel, ring type seal's a centre of sphere of equalling divide truncate sphere perpendicularly equally, third ring form suit in truncate sphere, the surface of third ring form have with truncate sphere matched with surface, all be provided with the ring channel on the internal surface of coupling and second ring form, all be provided with the sealing washer in the ring channel, the advantage is: the utility model discloses direct in -cut connection when having double -layered angled pipe say to connect, it is simple quick, construction convenience, the good seal does not receive the restriction in place, is adapted to the high -speed joint that double -layered angled pipe said.

Description

Pipeline connection universal joint

Technical field

The utility model belongs to pipe joint technical field, refers in particular to a kind of pipeline connection universal joint.

Background technology

At present, the connected mode of two pipelines is by straight coupling or angle coupling or the first-class fixed angles of 45 degree of corner connections The jointing of degree is attached, when two connected pipelines do straight line to be connected, due to construction error or the original of building Cause, causes two connected pipelines to have angle, again can not be first-class solid with above-mentioned angle coupling or 45 degree of corner connections in the situation When the jointing for determining angle is attached, it is disadvantageous in that：One is that the situation connects by force the distortion that can cause pipeline Deformation, reduces the service life of material；Two is even can to connect, and also because of poor sealing, and can cause pipeline internal medium Race emit leakage；Three is can not to be directly connected at all, it is necessary to which connection of more frequently being turned round could connect, or even be limited by place System, it is impossible to the connection that implementation is repeatedly turned round.

The content of the invention

The purpose of this utility model is to provide a kind of pipe that can be directly connected to when two connected pipelines have angle Road connection universal joint.

What the purpose of this utility model was realized in：

Pipeline connection universal joint, including first annular body, the second annular solid, the 3rd annular solid, first annular body with Second annular solid clamping connects, and the inner surface of first annular body and the second annular solid forms the truncate sphere of same internal diameter, the first ring The outer end of body is provided with the junction of pipe joint, first annular body and the second annular solid and is formed with cannelure, sets in cannelure O-ring seal is equipped with, the centre of sphere for vertically dividing the excessively truncate sphere in face equally of O-ring seal, the 3rd described annular solid is sleeved on In truncate sphere, the outer surface of the 3rd annular solid has the outer surface being engaged with truncate sphere, pipe joint and the second annular solid Inner surface on be provided with cannelure, sealing ring is provided with cannelure.

Above-mentioned first annular body is raised with the inner surface setting limited location of the junction of pipe joint, on pipe joint inner surface Cannelure and cannelure in sealing ring be arranged on pipe joint inner surface outside.

Above-mentioned spacing preiection is circumferentially spaced raised or annular retaining ring, and raised or annular retaining ring does not affect the 3rd The rotation of annular solid.

The spacing preiection of annular is provided with the inside of the inner surface of the 3rd above-mentioned annular solid, on the 3rd annular solid inner surface Cannelure and cannelure in sealing ring be arranged on pipe joint inner surface outside.

The internal diameter of the 3rd annular solid inner surface is more than on the 3rd annular solid at cannelure on the 3rd above-mentioned annular solid The internal diameter of spacing preiection.

Spacing preiection on the 3rd above-mentioned annular solid is located within the 3rd annular solid inner face, the inner of the 3rd annular solid Reinforcement has been provided at circumferentially spaced between face and spacing preiection.

The concrete structure that above-mentioned first annular body is connected with the second annular solid clamping is：First annular body is annular with second The first annular body of body connecting side and the end of the second annular solid are provided with expansion neck, and first annular body expands the outer face of neck The madial wall for expanding neck with the second annular solid is abutted against, and first annular body expands the outer ring surface of neck and the second annular solid expands the interior of neck Anchor ring is abutted against, and circumferentially spaced fixture block is connected to first annular body expansion neck on the outer face of the expansion neck of the second annular solid Lateral wall on, described O-ring seal is arranged on the madial wall for expanding neck and the second annular solid expansion neck of first annular body In the cannelure of formation, the outer surface of O-ring seal contacts sealing, inner surface with the inner ring surface of the expansion neck of first annular body Sealing is contacted with the outer surface of the 3rd annular solid.

It is provided with the outer face of above-mentioned sealing ring on the cannelure of one or more, inner face and is provided with two sealings Lip, two sealing lips slope inwardly.

Be provided with the outer face of above-mentioned O-ring seal on the cannelure of one or more, inner face be provided with two it is close Envelope lip, two sealing lips are inclined from the middle part of O-ring seal to both sides.

Cannelure in above-mentioned O-ring seal and sealing ring has three.

The axis of the 3rd above-mentioned annular solid has the anglec of rotation of 22-25 degree relative to the axis of pipe joint.

The utility model is prominent and beneficial compared to existing technology to be had the technical effect that：

1st, the utility model can directly carry out socket connection when two connected pipelines have angle, and connection is simple fast Speed, easy construction, good seal.

2nd, the utility model is avoided and connects caused pipeline distortion when original two connected pipelines have angle by force The situation that deformation, service life are reduced occurs.

3rd, the utility model when two connected pipelines have angle without the need for multiple connection of turning round, less by place Limit, be adapted to when two connected pipelines have angle and quickly connect.

Description of the drawings

Fig. 1 is sectional view of the present utility model and its partial enlarged drawing.

Fig. 2 is the sectional view after the utility model connecting pipe.

Fig. 3 is the front view after the utility model connecting pipe.

Fig. 4 is that the pipeline of one of them turns to the schematic diagram after diverse location after the utility model connecting pipe.

Specific embodiment

Below in conjunction with the accompanying drawings the utility model is further described with specific embodiment, referring to Fig. 1-Fig. 4：

Pipeline connection universal joint, including first annular body 12, the second annular solid 14, the 3rd annular solid 15, the first ring Body 12 is connected with the clamping of the second annular solid 14, and the inner surface of the annular solid 14 of first annular body 12 and second forms the flat of same internal diameter Truncated-spherical 34, the outer end of first annular body 12 is provided with pipe joint 11, the junction of the annular solid 14 of first annular body 12 and second It is formed with cannelure 28, is provided with O-ring seal 13 in cannelure 28, the excessively truncate ball in face is vertically divided in O-ring seal 13 equally The centre of sphere 35 in face 34, the 3rd described annular solid 15 is sleeved in truncate sphere 34, and the outer surface 36 of the 3rd annular solid 15 has The outer surface being engaged with truncate sphere 34, be provided with the inner surface of the annular solid 14 of pipe joint 11 and second cannelure 23, 32, it is provided with sealing ring 10,16 in cannelure 23,32.

The inner surface setting limited location projection 18 of above-mentioned first annular body 12 and the junction of pipe joint 11, pipe joint 11 The sealing ring 10 in cannelure 23 and cannelure 23 on inner surface is arranged on the outside of the inner surface of pipe joint 11, pipe joint Internal diameter D3s of the internal diameter D4 more than spacing preiection 18.

Above-mentioned spacing preiection 18 is circumferentially spaced raised or annular retaining ring, and raised or annular retaining ring does not affect the The rotation of three annular solids 15.

The spacing preiection 19 of annular is provided with the inside of the inner surface of the 3rd above-mentioned annular solid 15, in the 3rd annular solid 15 The sealing ring 16 in cannelure 32 and cannelure 32 on surface is arranged on the outside of the inner surface of pipe joint 11.

The internal diameter D1 of the inner surface of the 3rd annular solid 15 is annular more than the 3rd at cannelure on the 3rd above-mentioned annular solid 15 The internal diameter D2 of the spacing preiection 19 on body 15.

Spacing preiection 18 on the 3rd above-mentioned annular solid 15 is located within the inner face of the 3rd annular solid 15, the 3rd annular solid Reinforcement 33 has been provided at circumferentially spaced between 15 inner face and spacing preiection 18.

The concrete structure that above-mentioned first annular body 12 is connected with the clamping of the second annular solid 14 is：First annular body 12 and The end of the annular solid 14 of first annular body 12 and second of the connecting side of second ring body 14 is provided with expansion neck 25,26, the first ring Body 12 expands the madial wall for expanding neck 26 with the second annular solid 14 in the outer face of neck 25 and is abutted against, and first annular body 12 expands neck 25 Outer ring surface and the second annular solid 14 expand the inner ring surface of neck 26 and be abutted against, outer face last week of the expansion neck 26 of the second annular solid 14 First annular body 12 is connected to spaced fixture block 24 to expand on the lateral wall of neck 25, described O-ring seal 13 is arranged Expanding in the cannelure 28 of madial wall formation that 25 and second annular solid of neck 14 expands neck 26 in first annular body 12, annular is close The outer surface of seal 13 contacts sealing, inner surface and the 3rd annular solid 15 with the inner ring surface of the expansion neck 25 of first annular body 12 Outer surface 36 contacts sealing.

It is provided with the outer face of above-mentioned sealing ring 10,16 on the cannelure of one or more (22,30), inner face and arranges There are two sealing lips (21,31), two sealing lips slope inwardly.

It is provided with the outer face of above-mentioned O-ring seal 13 on the cannelure 27, inner face of one or more and is provided with two Individual sealing lip 29, two sealing lips 29 are inclined from the middle part of O-ring seal 13 to both sides.

Cannelure 27,22,30 in above-mentioned O-ring seal 13 and sealing ring 10,16 has three.

The axis 02 of the 3rd above-mentioned annular solid 15 has the anglec of rotation of 22-25 degree relative to the axis 01 of pipe joint 11, Be adapted to pipeline 17 and pipeline 20 mounting axis it is misaligned when pipeline 17 and pipeline 20 quick connection, it is not necessary to adjusting again The axial location in homogeneous tube road 17 or/and pipeline 20.

Above-described embodiment is only preferred embodiment of the present utility model, and protection model of the present utility model is not limited according to this Enclose, therefore：All equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by protection of the present utility model Within the scope of.

Claims

1. pipeline connection universal joint, it is characterised in that：Including first annular body, the second annular solid, the 3rd annular solid, first Annular solid is connected with the second annular solid clamping, and the inner surface of first annular body and the second annular solid forms the truncate ball of same internal diameter Face, the outer end of first annular body is provided with the junction of pipe joint, first annular body and the second annular solid and is formed with cannelure, ring O-ring seal is provided with shape groove, the centre of sphere for vertically dividing the excessively truncate sphere in face equally of O-ring seal, described the 3rd is annular Body is sleeved in truncate sphere, and the outer surface of the 3rd annular solid has an outer surface being engaged with truncate sphere, pipe joint and the Cannelure is provided with the inner surface of second ring body, sealing ring is provided with cannelure.

2. pipeline connection universal joint according to claim 1, it is characterised in that：Described first annular body connects with pipe The inner surface setting limited location of the junction of head is raised, and the sealing ring in the cannelure and cannelure on pipe joint inner surface is arranged In the outside of the inner surface of pipe joint.

3. pipeline connection universal joint according to claim 2, it is characterised in that：Described spacing preiection is between circumference Every the raised or annular retaining ring for arranging, raised or annular retaining ring does not affect the rotation of the 3rd annular solid.

4. pipeline connection universal joint according to claim 1, it is characterised in that：The interior table of the 3rd described annular solid The spacing preiection of annular is provided with the inside of face, the cannelure on the 3rd annular solid inner surface and the sealing ring in cannelure are arranged In the outside of the inner surface of pipe joint.

5. pipeline connection universal joint according to claim 4, it is characterised in that：Ring on the 3rd described annular solid Internal diameter of the internal diameter of the 3rd annular solid inner surface more than the spacing preiection on the 3rd annular solid at shape groove.

6. pipeline connection universal joint according to claim 4, it is characterised in that：Limit on the 3rd described annular solid Position is raised to be located within the 3rd annular solid inner face, has been provided at circumferentially spaced between the inner face and spacing preiection of the 3rd annular solid Reinforcement.

7. pipeline connection universal joint according to claim 1, it is characterised in that：Described first annular body and second Annular solid clamping connection concrete structure be：First annular body is annular with the first annular body of the second annular solid connecting side and second The end of body is provided with expansion neck, and first annular body expands the madial wall for expanding neck with the second annular solid in the outer face of neck and leans on Connect, first annular body expands the outer ring surface of neck and the inner ring surface of the second annular solid expansion neck is abutted against, the expansion neck of the second annular solid Outer face on circumferentially spaced fixture block be connected to first annular body and expand on the lateral wall of neck, described O-ring seal It is arranged in the cannelure of the madial wall formation for expanding neck and the second annular solid expansion neck of first annular body, O-ring seal The inner ring surface of the expansion neck of outer surface and first annular body contact sealing, inner surface contact with the outer surface of the 3rd annular solid it is close Envelope.

8. pipeline connection universal joint according to claim 1, it is characterised in that：On the outer face of described sealing ring It is provided with the cannelure of one or more, inner face and is provided with two sealing lips, two sealing lips slopes inwardly.

9. the pipeline connection universal joint according to any one of claim 1-8, it is characterised in that：Described ring packing It is provided with the outer face of circle on the cannelure of one or more, inner face and is provided with two sealing lips, two sealing lips is from annular The middle part of sealing ring to both sides incline.

10. pipeline connection universal joint according to claim 9, it is characterised in that：The axle of the 3rd described annular solid Line has the anglec of rotation of 22-25 degree relative to the axis of pipe joint.