CN2556454Y

CN2556454Y - Pipe joint

Info

Publication number: CN2556454Y
Application number: CN 02242062
Authority: CN
Inventors: 服部正; 服部孝正
Original assignee: Kawaguch Kogyo K K
Current assignee: Kawaguch Kogyo K. K.
Priority date: 2002-07-18
Filing date: 2002-07-18
Publication date: 2003-06-18
Anticipated expiration: 2012-07-18

Abstract

The utility model relates to an improved tubular joint. At least three arc-shaped bodies are pivoted with each other to form a circular body as well as covers and are connected with the external side of two tubular bodies, the circular tubular joint is provided with two opening ends, the internal periphery walls of the two opening ends are respectively provided with an excess ring outward along radial direction, and the periphery edge of the tubular body is provided with a circular groove for displacement of the excess ring inward; when the tubular joint is arranged on the tubular body, the free ends of the two arc-shaped bodies approaches to each other and then a pin body gets through the free ends; in addition, a leakage stopping ring pressed and pasted on the tubular periphery wall is clamped between the two excess rings of the tubular joint, a retaining edge extends from the middle part of the internal wall of the leakage stopping ring and is clamped between two end surfaces of the tubular body, the internal diameter of the retaining edge is smaller than the external diameter of the tubular body, and when the retaining edge receives impact force of fluid, the internal periphery wall of the leakage stopping ring can be pressed and pasted on the periphery wall better.

Description

Pipe joint

(1) technical field

The utility model relates to a kind of pipe joint.

(2) background technique

Water, the long-range of fluid such as oil or chemical substance is carried all depends on body, and its certain length that is manufactured with of body can not infinitely be extended, therefore, between two adjacent bodys, need link by pipe joint, and reach the purpose that prevents that fluid from being leaked by junction, and the form of present pipe joint on the whole as shown in Figures 7 and 8, it is to be formed by two nearly semicircular joint body 60 butt joints, the two-port of joint body 60 is provided with the jut 600 that snaps in body 70 circular grooves 71, clipping one ring is located at the seal ring 65 of two bodys, 70 cohesive ends between two juts 600, in addition in difference projection one connecting part 61, the both sides of joint body 60, when two joint bodies 60 are socketed on body 70 outsides relatively, connecting part 61 is corresponding just, and the perforation of being located on the connecting part 61 62 is also coaxial relatively, pass the connecting part 61 of two joint bodies 60 for bolt 63, solid with nut 64 spiral shells again, be about to seal ring 65 clippings between joint body 60 and body 70.

Above-mentioned form for existing pipe joint, yet but having, it is inconvenient to assemble the disappearance that to leak with fluid, as shown in Figure 9, when it is installed repeatedly screw lock be positioned at the bolt 63 of the left and right sides, make the connecting part 61 of two joint bodies 60 more and more approaching, finally again in conjunction with fixing, so its fixing mode is rather consuming time.

And owing to the process middle joint body 60 in combination often is in heeling condition, so its perforation 62 must be made as the slotted hole shape of diameter greater than bolt 63, even so the nargin circular groove 71 that will make the jut 600 of joint body 60 not snap in body 70 still can make bolt 63 pass perforation 62, again with nut 64 combinations, like this, promptly can produce the incident of escape of liquid.

From the above, the known pipe joint that involutes with two nearly semicircular joint bodies has several disappearances:

1. unbalance stress easily leaks:

After the relative combination of two joint bodies, its adjacent this end is gapped, so for body and seal ring, be not that whole periphery all has stressed, though especially the seal ring periphery is subjected to the compacting of two joint bodies, then easily and produce the gap between the body and leak because not being subjected to press power at the seal ring between two joint bodies.

2. construction is inconvenient and consuming time:

Since in the process of fixing pipe joint, need both sides repeatedly spiral shell establish, so rather consuming time.

3. be difficult for combining closely between seal ring and the body and easily leakage:

Even still can not pass combination with bolt because the jut of joint body snaps in the circular groove of body, so be not incorporated between often not careful joint body of operator and the body and subscribe the position, like this, joint body promptly can't press in seal ring, leaks so that produce.

(3) model utility content

Above-mentioned with two involutory pipe joint disappearances that are socketed on body of joint body in order to solve, main purpose of the present utility model is to provide a kind of assembling rapidly and accurately, and can prevent the pipe joint of escape of liquid.

Pipe joint of the present utility model, it is to be coated on the outside, two body opposite ends, clipping has a seal ring between pipe joint and the body, be characterized in: pipe joint is at least by three arc bodies ring bodies that links that is pivoted, the two ends of arc body are respectively equipped with corresponding binding end, binding end is provided with the penetration hole with the pipe joint axis parallel, two adjacent arc bodies by binding end in conjunction with the time, its penetration hole is involutory shape, other is provided with the shank that is placed through in the penetration hole, and have two opening ends by the pipe joint that arc body connects to, the radially prominent respectively prominent ring of an arc of establishing on the inner circle wall of two opening ends, the periphery of body then corresponding female is provided with an arc circular groove; Described seal ring is between the prominent ring of the twice of a pipe joint, the prominent retaining edge of a clipping between two body end faces of establishing of seal ring intermediate radial, the internal diameter of retaining edge and less than internal diameter of tube body.

Adopt after the above-mentioned technological means, the utility model can produce several advantages:

1. each mean forced and be difficult for to leak:

Pipe joint is to be coated on the body periphery in the form of a ring, so body periphery and leak-stopping surrounding place side is stressed very average, and seal ring is suppressed in two body joining places comprehensively, produces excellent sealing effect and does not leak.

2. the retaining edge of seal ring can improve its adaptation:

Because seal ring is provided with the retaining edge of clipping between two bodys, and the internal diameter of retaining edge is less than internal diameter of tube body, so when the retaining edge was subjected to the impulse force of fluid, its annular perisporium will oppositely overlay in the body perisporium, to increase its adaptation.

3. easy construction is time saving and energy saving:

Design of the present utility model causes in the time of will assembling pipe joint, as long as the binding end of two arc bodies is drawn close involutory, planting with shank get final product again, and do not have have now the pipe joint formed with semicircular joint body repeatedly spiral shell establish could in conjunction with disappearance.

4. very easily locate between pipe joint and the body:

Because the radially prominent respectively prominent ring of an arc of establishing on the inner circle wall of pipe joint two opening ends, the periphery of body then corresponding female is provided with an arc circular groove, in conjunction with the time pipe joint very easily slip in the arc circular groove and located with the prominent ring of its arc, further seal ring is overlayed between pipe joint and body, in case the fluid stopping body leaks.

For further specifying the purpose of this utility model, structural feature and effect, the utility model is described in detail below with reference to accompanying drawing.

(4) description of drawings

Fig. 1 is a three-dimensional appearance combination schematic representation of the present utility model.

Fig. 2 is a three-dimensional appearance decomposing schematic representation of the present utility model.

Fig. 3 is a side-looking combination generalized section of the present utility model.

Fig. 4 is a local enlarged diagram of the present utility model.

Fig. 5 is that utilization of the present utility model links the plane generalized section of instrument near combination.

Fig. 6 is the plane combination generalized section of the another kind of sealing component form of the utility model.

Fig. 7 is the plane combination generalized section of existing pipe joint.

Fig. 8 is the side-looking combination generalized section of existing pipe joint.

Fig. 9 is the existing floor map of pipe joint in the locking process.

(5) embodiment

See also shown in Fig. 1～3, the utility model is with 1 at least three arc body 10 of pipe joint ring bodies that links that is pivoted, to be linked between two bodys 20, the annular pipe joint 1 that is connected to has two opening ends, the radially prominent respectively prominent ring 11 of establishing on the inner circle wall of two opening ends, the periphery of body 20 then is concaved with a circular groove 21, be that section with circular groove 2 and the prominent ring 11 of pipe joint 1 all is made as circular arc in the middle of this preferred embodiment, clipping has a seal ring 30 between two prominent rings 11 of pipe joint 1 in addition, this seal ring 30 is to be deformable rubber product, seal ring 30 periphery walls and pipe joint 1 are respectively with corresponding recess 31, protuberance 12 is concavo-convex cooperation, bosom in seal ring 30 is provided with a retaining edge 32 of radially giving prominence to towards the center in addition, this retaining edge 32 and stretch into clipping between two bodys 20, and by shown in the accompanying drawing as can be known, the internal diameter of this retaining edge 32 is the internal diameters less than body 20, its purpose of design be for to make fluid by the time can impact the retaining edge 32, see also shown in the local enlarged diagram of Fig. 4, when retaining edge 32 is subjected to impacting, though and stress surface is subjected to the impact force of separating with body 20 end faces, but it is in addition simultaneously then also for overlaying in another body 20 end faces, the power that the periphery wall of seal ring 30 also can be out of shape and more attach body 20 perisporiums is to reach the effect of sealing.

Again as shown in Figures 1 and 2, the two ends that this group constitutes the arc body 10 of pipe joint 1 are made as binding end 14, invaginated type in the middle of wherein a wherein end of a binding end 14 is made as, then be made as corresponding standing shape in the middle of the other end, and be provided with penetration hole 15 with pipe joint 1 axis parallel in two binding ends 14, when two adjacent arc bodies 10 during with the mutual socket of binding end 14, its penetration hole 15 just is same axle center, place for a shank 40 and to be pivoted, unassembled before body 20, two adjacent arc bodies 10 and be open state as illustrated in fig. 2 wherein, when the desire assembling places body 20, pipe joint 1 is socketed on two bodys, 20 outsides, last again by the free end closing of an instrument with two arc bodies 10, place with shank 40 again.

As shown in Figure 5, described using is made of the clipping instrument 50 of two arc bodies, 10 closings two blocks 51, block 51 has a vertical side 52 and is connected in the wherein oblique side 53 of an end of vertical side, vertical side 52 free ends of two blocks 51 pass the wherein perforation 510 of a block 51 with a joint bolt 54 and are screwed in the screw 511 of another block 51 again, on joint bolt 54, place a spring 55, on the periphery wall that stays on bolt head and block 51, then place one in two blocks, 51 vertical side 52 contiguous oblique side 53 these sides in addition and adjust bolt 56, this adjustment bolt 56 passes block 51 these ends and establishes with an adjustment piece 57 spiral shells, two blocks 51 between joint bolt 54 and adjustment bolt 56 this side are in opposite directions then shored with a pressure spring 58, and aforementioned between two blocks 51, establishing with joint bolt 54, adjust bolt 56, and the purpose of pressure spring 58 is to get keeping parallelism for the vertical side 52 that makes two blocks 51, and adjust its spacing by being located at the adjustment piece of adjusting on the bolt 56 57, again in the oblique side 53 of two blocks 51 in opposite directions this side be equipped with projection 59 respectively, the free end outside of the arc body 10 of pipe joint 1 then is provided with can be for the jack 16 of projection 59 plants, when the free end of desiring to make two arc bodies 10 draw close in conjunction with the time, two projections 59 by clipping instrument 50 are inserted in the jack 16, still have spacing between two arc bodies 10 this moment, adjust piece 57 by rotation again, to adjust the end face pushing block 51 of piece 57, promptly make two block 51 displacements in opposite directions, make binding end 14 combinations of two arc bodies 10, be placed through on the penetration hole 15 of two binding ends 14 with shank 40 again and get final product, so its assembling mode needs to adjust repeatedly very fast and not.

Again by as can be known shown in Figure 5, the pipe joint 1 of be combined into just just is circle and coats body 20 perisporiums fully, makes average force around the body 20 and seal ring 30 mean pressures are affixed on body 20 surfaces, in case stopping leak leaks.

In addition by shown in Figure 6 be to be another kind of form of the present utility model, it can cooperatively interact the teat of further establishing by the helical teeth shape between the inner circle wall of seal ring 30 and body 20 perisporiums 300 with recess 200, with the sealing effect of raising seal ring 30.

Certainly, those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in the scope of the utility model claims the above embodiment's variation, modification.

Claims

1. pipe joint, it is coated on the outside, two body opposite ends, and clipping has a seal ring between pipe joint and the body, it is characterized in that:

Pipe joint is at least by three arc bodies ring bodies that links that is pivoted; The two ends of arc body are respectively equipped with corresponding binding end; Binding end is provided with the through hole with the pipe joint axis parallel; Two adjacent arc bodies by binding end in conjunction with the time; Its through hole is involutory shape; Other is provided with the shank that is placed through in the through hole; And have two openends by the pipe joint that arc body connects to; On the internal perisporium of two openends, radially dash forward respectively and establish the prominent ring of an arc; And the periphery corresponding female of body is provided with an arc circular groove

Described seal ring is between the prominent ring of the twice of a pipe joint, the prominent retaining edge of a clipping between two body end faces of establishing of seal ring intermediate radial, the internal diameter of retaining edge and less than internal diameter of tube body.

2. pipe joint according to claim 1 is characterized in that:

Being concavo-convex between described seal ring periphery wall and the body junctor inner circle wall cooperates.

3. pipe joint according to claim 1 and 2 is characterized in that:

Protuberance, recess with the helical teeth shape between described seal ring inner circle wall and the body periphery wall cooperatively interact.