CN212028827U - Water supply and drainage pipeline connecting device - Google Patents

Abstract

The utility model discloses a water supply and drainage pipeline connecting device, including the urceolus of cavity tube-shape, urceolus inboard both ends all are equipped with the inner tube, the inner tube outside forms two first recesses with the urceolus inboard, the opening direction of two first recesses is opposite, two treat that the connecting tube pegs graft respectively in two first recesses, be equipped with the corrugated tube between two inner tubes, it has the rubber pad to fill between corrugated tube and the urceolus, the equal threaded connection in urceolus outside both ends has the retaining member, the retaining member is kept away from urceolus one side and is equipped with the third recess, in the retaining member one end stretches into the third recess, the retaining member other end is fixed in the fixed; the utility model discloses simple structure, joint strength are higher, the leakproofness is good, can weaken rivers to connecting device's impact force, reduce the possibility that connecting device damaged.

Description

Water supply and drainage pipeline connecting device

Technical Field

The utility model belongs to the technical field of the water supply and drainage pipe, a water supply and drainage pipe connecting device is related to.

Background

Municipal administration water supply and drainage pipe can provide the water for the user reliably in real time, get rid of domestic sewage, industrial waste water and precipitation, build comfortable safe existence and production environment for people, along with economic rapid development, the constantly propulsion of urbanization process, each local government is for adapting to user's demand, constantly perfect municipal works's water supply and drainage engineering, also more and more to drainage pipe's application, current municipal administration water supply and drainage pipe adopts the butt joint installation of welding flange dish more, requirement to welding technique is higher, and this connection can not effectively weaken rivers to the impact force of pipe connection part, make the junction of pipeline easily take place the damage, can not effectively prevent water leakage.

Disclosure of Invention

In order to achieve the purpose, the utility model provides a water supply and drainage pipeline connecting device, the device can effectively weaken rivers to water supply and drainage pipeline coupling part's impact, and connecting device simple structure, joint strength are higher, and difficult emergence is damaged, and the leakproofness is good.

The utility model adopts the technical scheme that the water supply and drainage pipeline connecting device comprises a connecting device, the connecting device comprises a hollow cylindrical outer barrel, the two ends of the inner side of the outer barrel are respectively provided with an inner barrel with a longitudinal section of the side wall in an L shape, the inner side of the outer barrel and the outer side of the inner barrel form two first grooves, the opening directions of the two first grooves are opposite, two pipelines to be connected are respectively inserted into the corresponding first grooves, a corrugated pipe is arranged between the two inner barrels, the corrugated pipe is parallel to the outer barrel, and a rubber pad is filled between the corrugated pipe and the outer barrel;

the urceolus both ends all are equipped with the retaining member, the longitudinal section of retaining member lateral wall is L shape, an edge and the urceolus tip of two retaining member lateral walls support and lean on, another edge inboard and the urceolus outside threaded connection of two retaining member lateral walls, urceolus one side is kept away from to two retaining members all is equipped with annular third recess, and bolster one end stretches into in the third recess, the bolster other end is fixed in the fixed plate side, the fixed plate bottom is fixed in the pipeline outside.

Further, the parallel joint part of inner tube and pipeline inboard is the elasticity pipe, the length of elasticity pipe is greater than the joint length of urceolus and pipeline, the longitudinal section of elasticity pipe is isosceles trapezoid, be equipped with the several breach on the circumference of elasticity pipe, the internal diameter of elasticity pipe and the width of breach all increase gradually along connecting device to the direction of pipeline.

Furthermore, the number of the notches is 3-5.

Furthermore, a rubber water stop sleeve is arranged in the first groove, and a plurality of rings of rubber water stop rings are arranged at the parallel joint of the inner barrel and the pipeline.

Further, the bolster includes the second recess, second recess one end is fixed at the fixed plate lateral wall, the inboard one end sliding connection with the packing ring of the second recess other end, be equipped with the spring between packing ring and the fixed plate, the packing ring other end stretches into in the third recess.

The utility model has the advantages that: 1. the utility model weakens the impact of water flow on the connecting device and reduces the possibility of damage of the connecting device by arranging the corrugated pipe to disperse the impact force of water flow, uses the rubber pad to protect the corrugated pipe, prevents the corrugated pipe from excessively contracting and expanding, and improves the use effect; 2. the horizontal joint part of the inner cylinder and the pipeline is provided with the elastic pipe with the notch, the joint tightness of the inner cylinder and the pipeline is improved by utilizing the elasticity of the elastic pipe, and the sealing performance of the connecting device is improved by combining the rubber water stop ring and the rubber water stop sleeve; 3. the utility model discloses simple structure, joint convenient operation, joint strength is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an overall sectional view of the present invention.

Fig. 2 is a sectional view of the joint of the connecting device and the pipeline of the present invention.

Fig. 3 is an enlarged view at a in fig. 1.

In the figure, 1, a pipeline, 2, a connecting device, 3, a first groove, 4, a locking piece, 5, a fixing plate, 6, a rubber pad, 7, a corrugated pipe, 8, a rubber water stop ring, 9, a buffer piece, 10, an outer cylinder, 11, an inner cylinder, 12, a rubber water stop sleeve, 13, a notch, 14, a gasket, 15, a second groove, 16, a spring and 17 are arranged in a third groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The cross-sectional view of the structure of the water supply and drainage pipeline connecting device is shown in figure 1, and comprises a connecting device 2, wherein the connecting device 2 comprises a hollow cylindrical outer cylinder 10, inner cylinders 11 with L-shaped longitudinal sections on the side walls are arranged at two ends of the inner side of the outer cylinder 10, two first grooves 3 are formed on the outer side of each inner cylinder 11 and the inner side of the outer cylinder 10, the opening directions of the two first grooves 3 are opposite, and two pipelines 1 to be connected are respectively inserted into the two first grooves 3; a corrugated pipe 7 is arranged between the two inner cylinders 11, the corrugated pipe 7 is parallel to the outer cylinder 10, and a rubber pad 6 is filled between the corrugated pipe 7 and the inner side wall of the outer cylinder 10; 10 both ends of urceolus are equipped with retaining member 4, the longitudinal section of 4 lateral walls of retaining member is L shape, an limit and the 10 tip of urceolus of 4 lateral walls of retaining member support and lean on, another limit inboard and the 10 outside threaded connection of urceolus of 4 lateral walls of retaining member, one side that urceolus 10 was kept away from to retaining member 4 is equipped with annular third recess 17, 9 one end of bolster stretches into in the third recess 17, 9 rotations of the relative bolster of third recess 17 ability, the bolster 9 other end is fixed with 5 sides of fixed plate, the outside at pipeline 1 is fixed to 5 bottoms of fixed plate.

As shown in fig. 2, the parallel joint part of the inner cylinder 11 and the pipeline 1 is an elastic tube, the longitudinal section of the elastic tube is an isosceles trapezoid, the length of the elastic tube is greater than the joint length of the outer cylinder 10 and the pipeline 1, 3 to 5 gaps 13 are arranged on the circumference of the elastic tube, the inner diameter of the elastic tube and the width of the gaps 13 are gradually increased along the direction from the connecting device 2 to the pipeline 1, the gaps 13 of the elastic tube are closed under the action of external force to obtain a complete cylindrical tube with the same outer diameter as the inner diameter of the pipeline 1, and after the elastic tube is stretched into the pipeline 1, the outer side of the elastic tube is more tightly abutted against the inner side of the pipeline 1 under the action of; a rubber water stop sleeve 12 is arranged in the first groove 3, 1-3 rings of rubber water stop rings 8 are arranged at the joint part of the inner barrel 11 parallel to the pipeline 1, and the rubber water stop rings 8 and the rubber water stop sleeve 12 jointly act, so that the sealing performance of the connecting device 2 and the pipeline 1 can be improved, and water seepage can be prevented.

As shown in fig. 3, the buffering member 9 includes a second groove 15, one end of the second groove 15 is fixed on the side of the fixing plate 5, the inner side of the other end of the second groove 15 is slidably connected to one end of a washer 14, a spring 16 is disposed between the washer 14 and the fixing plate 5, the other end of the washer 14 extends into a third groove 17, and the third groove 17 can rotate relative to the washer 14.

When the connecting device for the water supply and drainage pipeline is used, firstly, the fixing plate 5 is circumferentially fixed on the outer side of the interface of the pipeline 1, the locking part 4 penetrates through the interface and is sleeved on one pipeline 1, the interface of the pipeline 1 is aligned with the first groove 3, the elastic pipe notch 13 of the inner cylinder 11 is closed by using external force, a complete cylinder with the same outer diameter as the inner diameter of the pipeline 1 is obtained, the elastic pipe is inserted into the pipeline 1 to rotate the locking part 4 while connecting, the third groove 17 rotates relative to the gasket 14, the inner side of the locking part 4 is in threaded fixation with the outer side of the outer cylinder 10, then, the other locking part 4 is sleeved on the other pipeline 1, the pipeline 1 is aligned with the other first groove 3, the other elastic pipe is inserted into the pipeline 1, the pipeline 1 is pushed and the corresponding locking part 4 is rotated to enable the other end of the outer cylinder 10 to be, when the connecting pipeline is filled with water, the corrugated pipe 7 can greatly weaken the impact of water flow on the connecting device 2, so that the connecting device 2 is not easy to damage and leak, the outer cylinder 10 is arranged outside the corrugated pipe 7 to prevent the corrugated pipe 7 from excessively deforming, protect the corrugated pipe 7 from being influenced by external force, and meanwhile, the rubber pad 6 is arranged to relieve the impact of the corrugated pipe 7 and the outer cylinder 10, so that the service time of the corrugated pipe 7 is prolonged; when the corrugated pipe 7 extends in the length direction of the pipeline 1, the first groove 3 is connected with the pipeline 1 in a clamped mode to extend, the rubber water stop sleeve 12 can relieve impact of the first groove 3 and the pipeline 1, the gasket 14 is inserted into the third groove 17 all the time, the buffer parts 9 at the two ends of the locking part 4 can relieve impact of water flow on the connecting device 2 and the locking part 4, and the damage probability of the connecting device 2 and the locking part 4 is reduced.

The utility model discloses set up the junction of inner tube 11 and pipeline 1 as the elastic tube, the elastic tube naturally scatters out the pipe fitting that takes breach 13 when no exogenic action, breach 13 closure forms the pipe fitting that the external diameter is the same with pipeline 1 internal diameter under the exogenic action, after pegging graft in pipeline 1, the elastic tube loses external force restraint and wants to resume the original shape because of the elastic action, make the elastic tube outside support with pipeline 1 inboard and lean on inseparabler, under the dual function of the screw locking of retaining member 4 and elastic tube elasticity, pipeline 1 and connecting device 2's joint strength is higher; the joint of the inner barrel 11 and the pipeline 1 is also provided with a rubber water stop ring 8, and the first groove 3 is internally provided with a rubber water stop sleeve 12, so that water flow cannot leak when passing through the connecting device 2, and the connecting device of the water supply and drainage pipeline has good sealing performance.

All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims (5)

1. The water supply and drainage pipeline connecting device is characterized by comprising a connecting device (2), wherein the connecting device (2) comprises a hollow cylindrical outer cylinder (10), inner cylinders (11) with L-shaped longitudinal sections on the side walls are arranged at two ends of the inner side of the outer cylinder (10), two first grooves (3) are formed in the inner side of the outer cylinder (10) and the outer side of each inner cylinder (11), the opening directions of the two first grooves (3) are opposite, two pipelines (1) to be connected are respectively inserted into the corresponding first grooves (3), a corrugated pipe (7) is arranged between the two inner cylinders (11), the corrugated pipe (7) is parallel to the outer cylinder (10), and a rubber pad (6) is filled between the corrugated pipe (7) and the outer cylinder (10);

urceolus (10) both ends all are equipped with retaining member (4), the longitudinal section of retaining member (4) lateral wall is L shape, one limit of two retaining member (4) lateral walls supports with urceolus (10) tip and supports and lean on, another limit inboard and urceolus (10) outside threaded connection of two retaining member (4) lateral walls, urceolus (10) one side is kept away from in two retaining member (4) and all is equipped with annular third recess (17), and bolster (9) one end stretches into in third recess (17), the bolster (9) other end is fixed in fixed plate (5) side, fixed plate (5) bottom is fixed in pipeline (1) outside.

2. The water supply and drainage pipeline connecting device according to claim 1, wherein the parallel joint part of the inner cylinder (11) and the inner side of the pipeline (1) is an elastic pipe, the length of the elastic pipe is greater than the joint length of the outer cylinder (10) and the pipeline (1), the longitudinal section of the elastic pipe is isosceles trapezoid, a plurality of notches (13) are arranged on the circumference of the elastic pipe, and the inner diameter of the elastic pipe and the width of the notches (13) are gradually increased along the direction from the connecting device (2) to the pipeline (1).

3. The water supply and drainage pipeline connecting device as claimed in claim 2, wherein the number of the notches (13) is 3-5.

4. The connecting device of water supply and drainage pipeline according to claim 1, wherein the first groove (3) is provided with a rubber water stop sleeve (12), and the parallel joint of the inner cylinder (11) and the pipeline (1) is provided with a plurality of rubber water stop rings (8).

5. The water supply and drainage pipeline connecting device as claimed in claim 1, wherein the buffer member (9) comprises a second groove (15), one end of the second groove (15) is fixed on the side wall of the fixing plate (5), the inner side of the other end of the second groove (15) is slidably connected with one end of a gasket (14), a spring (16) is arranged between the gasket (14) and the fixing plate (5), and the other end of the gasket (14) extends into a third groove (17).

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