A kind of pipeline jointing
Technical field
The utility model relates to pipe fittings field, especially, relates to a kind of pipeline jointing.
Background technique
In mankind's daily life, pipe-line system uses very many, especially in the system such as domestic water, pipe-line system is very complicated, the overall length of integrated piping is very long, therefore, between the duct products of actual production, certainly need increase to be similar to the pipeline annex of joint connect, therefore, the effect of pipeline jointing is extremely important.
In prior art, the weight of pipe connector lug is very many, as follows:
Application number be 201310588044.6 patent application disclose a kind of Petrochemical Pipe Joints, this kind of Petrochemical Pipe Joints comprises outer tube, interior pipe one, interior pipe two and blocking blade; In arranging in described outer tube, pipe two in Guan Yiyu, arranges blocking blade between pipe two connecting end in interior Guan Yiyu.Different for bore pipe fitting can connect by Petrochemical Pipe Joints provided by the invention, but its sealing existing problems.
Application number be 201410359258.0 patent application a kind of pipe coupling is disclosed, comprise hollow tubular, hollow tubular two ends connect the first conical pipe and the second conical pipe respectively, and hollow tubular central authorities are connected with a connecting tube, connecting tube one end connect one store ball.Two conical pipes are inserted respectively in the different pipeline of two ends bore, realize the connection of pipeline, because water flow in the pipeline of two ends is different, one end that bore is less easily causes Joint's falling off because flow increases suddenly, and the conical pipe at two ends is when inserting extraneous pipeline, termination all can have more one section and form dead angle with the inwall of extraneous pipeline, is unfavorable for that current pass through.
Application number is that the model utility of 201420406502.X discloses a kind of Bite type fittings, it comprises housing, runner frame, slide block, baffle plate, lockplate and reset locking device, the external diameter of runner frame and the internal diameter of housing are Spielpassung, the outer ring of this runner frame is provided with the first circular groove, and this first circular groove is provided with the first seal ring; The endoporus of runner frame is cone-shaped hole, and the miner diameter end of this cone-shaped hole is provided with the second circular groove, and this second circular groove is provided with the second seal ring; The bottom surface of described slide block is provided with T-shaped slide block, the cone-shaped hole inwall of runner frame is provided with the T-shaped chute matched with T-shaped slide block; This slide block and connected tube want that the face contacted is arc shaped surface; Lockplate is connected by screw thread with housing, and this lockplate is provided with regular hexagon through hole; Reset locking device is placed between baffle plate and slide block, and this reset locking device comprises spring retainer bar and Returnning spring.Although Bite type fittings of the present utility model is installed more for convenience, and sealing also can reach requirement, complicated integral structure, cost of production is high.
Certainly, except the above-mentioned several pipeline joints enumerated, also have the pipe coupling of other type, but all there is certain defect, practicability is not strong.
Therefore, design that the pipeline of different-diameter is simplified, can be connected to a kind of structure, good sealing effect and the pipeline jointing not affecting internal liquid flow velocity have great importance.
Model utility content
The utility model object is to provide a kind of structure to simplify, can connects the pipeline of identical or different diameter, good sealing effect and do not affect the pipeline jointing of internal liquid flow velocity (even can accelerating liquid flow velocity), and concrete technological scheme is as follows:
A kind of pipeline jointing, comprise slip joint body, described slip joint body comprises concentricity axis and arranges and the first paragraph pipeline of connecting successively from front end to end, connection part and second segment pipeline, and the internal diameter of described first paragraph pipe end is 1.0-5.0 times of the internal diameter of described second segment pipeline front end;
The inwall of described first paragraph pipeline and described second segment pipeline is equipped with groove, and the inwall of described groove is respectively 4/1 to five/3rds of the wall thickness of described first paragraph pipeline and described second segment pipeline to the maximum pipeline radial distance of the inwall of described first paragraph pipeline and described second segment pipeline;
Be provided with the sealed member of water-swellable in described groove, the size of described sealed member and the size of described groove match;
The inwall of described connection part is equidistantly provided with 3-8 bar spiral chute.
Preferred in above technological scheme, described sealed member comprises shell and fills the seal of its inside, and the material of described shell is abrasion resistant polyurethane, and the material of described seal is polyurethane foam.
Preferred in above technological scheme, the shape of described groove in the plane at described central axis place is v-shaped structure, the square frame-shaped structure of openings at one side or arcuate structure.
Preferred in above technological scheme, the internal diameter of described first paragraph pipe end is 1.2-3.0 times of the internal diameter of described second segment pipeline front end; The pipeline of described connection part to be inwall be frustoconic shape.
Preferred in above technological scheme, described spiral fluted quantity is 6.
Preferred in above technological scheme, the inwall of described first paragraph pipeline and/or second segment pipeline is provided with spiral chute.
Preferred in above technological scheme, the front end of described slip joint inner body wall and end are equipped with the front end of internal thread or the described slip joint body outer wall matched with outside thread on external pipe and end is equipped with the outside thread matched with internal thread on external pipe.
In order to reach better technique effect, the stiffening element preventing it to be out of shape when the front end of described slip joint body outer wall and/or end are provided with for welding, the outer wall of described slip joint body is 5-10mm to the perpendicular distance of the outer wall of described stiffening element.
Application the technical solution of the utility model, has following beneficial effect:
(1) pipeline jointing of the present utility model comprises slip joint body, slip joint body comprises concentricity axis and arranges and the first paragraph pipeline of connecting successively, connection part and second segment pipeline, the inwall of first paragraph pipeline and second segment pipeline is equipped with groove, be provided with the sealed member of water-swellable in groove, overall structure is simplified; Internal diameter and the internal diameter of second segment pipeline front end of first paragraph pipe end can be identical also can be different, the connection between being applicable to the pipeline of bore and different bore, and applicability is strong; Groove and sealed member be arranged so that extraneous pipeline inserts pipeline jointing after, sealed member is met water and is expanded, thus seals completely between the inwall of pipeline jointing and the outer wall of extraneous pipeline, prevents it from leaking; The inwall of connected element is equidistantly provided with 3-8 bar spiral chute, the flow velocity of its internal liquid can be accelerated, can noise be reduced again, practical.
(2) in the utility model, sealed member comprises shell and fills the seal of its inside, the material of shell is abrasion resistant polyurethane, the material of seal is polyurethane foam, sealed member structure is simplified, and the selection of its material had both met the good and wear-resisting double effects of water swelling, the sealing completely of joint can be realized, practical.
(3) shape of groove described in the utility model in the plane at described central axis place is v-shaped structure, the square frame-shaped structure of openings at one side or arcuate structure, structure is attractive in appearance, even if flow increases suddenly and is also not easy to cause Joint's falling off in pipeline, ensure its good sealing.
(4) in the utility model, the internal diameter of first paragraph pipe end is 1.2-3.0 times of the internal diameter of second segment pipeline front end, is applicable to the connection of the pipeline of different tube diameters; The pipeline of connection part to be inwall be frustoconic shape, is transitioned into second segment pipeline by first paragraph pipeline well, practical.
(5) in the utility model connected element inwall on be equidistantly provided with 6 spiral chutes, easy to process, the effect well accelerating flow velocity can be reached, also can reduce noise well simultaneously, practical.
(6) in the utility model, the inwall of first paragraph pipeline and/or second segment pipeline is provided with spiral chute, accelerates the effect of flow velocity and reduces the better effects if of noise.
(7) in the utility model, slip joint body is assembled by arranging internal thread or outside thread and extraneous pipeline, time saving and energy saving during installation, also can improve the sealing effect between slip joint and pipeline further simultaneously.
(8) in the utility model, slip joint body can also be assembled by welding manner and extraneous pipeline, and steadiness is good; The stiffening element that its outer wall prevents it to be out of shape when being provided with for welding, deforms when preventing slip joint body from welding, practical.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the partial sectional view of pipeline jointing in the utility model preferred embodiment 1;
Fig. 2 is B enlarged view in Fig. 1;
Fig. 3 is the schematic diagram of the inwall of first paragraph pipeline and the groove of the first structure in Fig. 1;
Fig. 4 is the schematic diagram of the inwall of first paragraph pipeline in Fig. 1 and the groove of the second structure;
Fig. 5 is the schematic diagram of the inwall of first paragraph pipeline and the groove of the third structure in Fig. 1;
1-slip joint body, 11-first paragraph pipeline, the inwall of 111-first paragraph pipeline, 12-connection part, 13-second segment pipeline, 14-groove, 15-sealed member, 16-spiral chute.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can limit according to claim and cover is implemented.
Embodiment 1:
A kind of pipeline jointing, refers to Fig. 1 and Fig. 2, comprises slip joint body 1.
Described slip joint body 1 comprises concentricity axis L and arranges and the first paragraph pipeline 11 of connecting successively from front end to end, connection part 12 and second segment pipeline 13.
The inwall of described first paragraph pipeline 11 and described second segment pipeline 13 is equipped with groove 14, the inwall of described groove 14 is respectively 4/1 to five/3rds of the wall thickness d of described first paragraph pipeline 11 and described second segment pipeline 13 to the maximum pipeline radial distance, d 1 of the inwall of described first paragraph pipeline 11 and described second segment pipeline 13, refers to Fig. 2; Described groove 14 can be multiple grooves with certain arc length of the inwall circumference uniform distribution along described first paragraph pipeline 11 and described second segment pipeline 13, can also be the groove random arrangement of multiple certain arc length; The sealed member 15 of water-swellable is provided with in described groove 14, the size of described sealed member 15 and the size of described groove 14 match, groove and sealed member be arranged so that extraneous pipeline inserts pipeline jointing after, sealed member is met water and is expanded, thus seal completely between the inwall of pipeline jointing and the outer wall of extraneous pipeline, prevent it from leaking.
The shape of described groove 14 is as follows: the shape of described groove 14 in the plane at described central axis L place is v-shaped structure, such as described groove 14 intersects at A1 point and A2 point respectively with the inwall of described first paragraph pipeline 11, described groove 14 intersects at A3 point with the tube wall of described first paragraph pipeline 11, A3 point place and plane position perpendicular to described central axis L is reference level, described A1 point and A2 point are all positioned at the top of described A3 point, refer to Fig. 3, even if flow increases suddenly and is also not easy to cause Joint's falling off in pipeline, ensure its good sealing.Described A1 point and A2 point all can also be positioned at the below of described A3 point or be positioned at above and below described A3 point.
Described groove 14 can also be chosen as the square frame-shaped structure of openings at one side according to actual conditions, as shown in Figure 4, can also be chosen as arcuate structure, as shown in Figure 5.
Above-mentioned sealed member 15 comprises shell and fills the seal of its inside, the material of described shell is abrasion resistant polyurethane, the material of described seal is polyurethane foam, sealed member structure is simplified, and the selection of its material had both met the good and wear-resisting double effects of water swelling, the sealing completely of joint can be realized, practical.
The internal diameter of described first paragraph pipeline 11 end is that doubly (internal diameter of first paragraph pipeline 11 front end and the internal diameter of its end can be the same or different herein for the 1.0-5.0 of the internal diameter of described second segment pipeline 13 front end, the internal diameter of second segment pipeline 13 front end and the internal diameter of its end can be the same or different), connection between being applicable to the pipeline of bore and different bore, applicability is strong; When the internal diameter of described first paragraph pipeline 11 end and the internal diameter of described second segment pipeline 13 front end unequal time, described connection part 12 adopts inwall to be the pipeline of cone, is convenient to successfully first paragraph pipeline is transitioned into second segment pipeline.
The inwall of described connection part 12 is equidistantly provided with 3-8 bar spiral chute 16, preferably 6, connected element 12 and inwall thereof arrange spiral fluted design, the transition between first paragraph pipeline and second segment pipeline can be realized well, the effect accelerated flow velocity and reduce noise can be reached again simultaneously, practical.
The inwall of the pipeline of first paragraph described in the utility model 11 and/or second segment pipeline 13 can also be provided with spiral chute 16 according to different demands, and spiral fluted quantity is determined according to demand, accelerates the effect of flow velocity and reduces the better effects if of noise.
The body of slip joint described in the utility model 1 can adopt thread connecting mode to be connected with external pipe, is specially: the front end of described slip joint body 1 inwall and end are equipped with the front end of internal thread or described slip joint body 1 outer wall matched with outside thread on external pipe and end is equipped with the outside thread matched with internal thread on external pipe.In addition, described slip joint body 1 can adopt welding manner to be connected with external pipe, is specially: the inwall at described slip joint body 1 two ends is directly welded on the outer wall of extraneous pipeline, and steadiness is good; When adopting welding manner to connect, the stiffening element that it can also be prevented to be out of shape when the front end of described slip joint body 1 outer wall and/or end are provided with for welding, the thickness of described stiffening element is 5-10mm, do not deform when ensureing the welding of slip joint body, guarantee the sealing between slip joint body and extraneous pipeline.
Apply pipeline jointing of the present utility model, there is following beneficial effect:
1, pipeline jointing overall structure of the present utility model is simplified, and cost of production is low.
2, the utility model pipeline adopts the setting of groove and sealed member with jointing, after making extraneous pipeline insert pipeline jointing, sealed member is met water and is expanded, thus seal completely between the inwall of pipeline jointing and the outer wall of extraneous pipeline, prevent it from leaking; Its sealed member comprises shell and fills the seal of its inside, the material of shell is abrasion resistant polyurethane, the material of seal is polyurethane foam, sealed member structure is simplified, and the selection of its material had both met the good and wear-resisting double effects of water swelling, the sealing completely of joint can be realized, practical.
3, in the utility model pipeline jointing, the internal diameter of first paragraph pipeline and the internal diameter of second segment pipeline can be identical also can be different, and the connection between being applicable to the pipeline of bore and different bore, applicability is strong.
4, the pipeline of connected element to be inwall be cone in the utility model pipeline jointing, and its inwall is equidistantly provided with 3-8 bar spiral chute, transition between the two when different from the front inner diameter of second segment pipeline in the end that can realize first paragraph pipeline well, the effect accelerated flow velocity and reduce noise can be reached again simultaneously, practical.
5, in the utility model pipeline jointing first paragraph pipeline and/or second segment pipeline inwall on can be provided with spiral chute according to the actual requirements, make the utility model pipeline jointing accelerate the effect of flow velocity and reduce the better effects if of noise.
6, in the utility model pipeline jointing, slip joint body can be threaded connection mode or welding manner and extraneous pipeline and assembles, easy for installation, meets the different needs, and improves the sealing effect between slip joint and pipeline to a certain extent.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.