CN218543499U

CN218543499U - Pipeline connecting structure for tap water pipe

Info

Publication number: CN218543499U
Application number: CN202222875206.1U
Authority: CN
Inventors: 周远枝; 王俊; 赵启华; 杜洋
Original assignee: Hubei Hongye Water Conservancy Engineering Co ltd
Current assignee: Hubei Hongye Water Conservancy Engineering Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-02-28
Anticipated expiration: 2032-10-28

Abstract

The application relates to the technical field of pipeline connection, and particularly discloses a pipeline connection structure for a tap water pipe, which comprises an insertion pipe penetrating through the inside of the water pipe and a retaining ring coaxially and fixedly connected with the insertion pipe, wherein a locking device used for pressing the water pipe on the insertion pipe is arranged on the retaining ring; the cambered surface periphery wall rigid coupling of grafting pipe has the seal cover that the pressurized produced deformation, the seal cover inner wall is provided with a plurality of archs, grafting pipe periphery wall seted up with a plurality of shrinkage pools of protruding size one-to-one matching. This application has the effect of connecting the water pipe under the condition of not trading the water pipe.

Description

Pipeline connecting structure for tap water pipe

Technical Field

The application relates to the technical field of pipeline connection, in particular to a pipeline connection structure for a tap water pipe.

Background

At present along with hydraulic engineering's vigorous development, in hydraulic engineering's the construction process, the application of pipeline is more and more, and in actual work progress, hydraulic pipeline adopts the plastic tubing more, need connect a plurality of hydraulic pipeline because of pipeline length is not often enough, and in pipeline connection structure's design, the leakproofness of pipeline need be considered to inevitable.

Chinese patent with publication number CN216768652U in the correlation technique provides a water conservancy pipeline is laid and is used high leakproofness pipeline connection structure, including the connecting piece, equal sliding connection has sealed the pad in the slot, connecting piece inner wall fixedly connected with communicating pipe, and retaining ring outside middle part all is provided with the sealing ring, and the flange all is through bolted connection on the left and right sides of connecting shell. The utility model discloses an in, the sealing ring laminating through communicating pipe both ends has improved the leakproofness of water pipe at the junction at the inner wall of water pipe, makes it produce deformation through the extrusion spring and makes sealed the kneck of tightly laminating at the water pipe of filling up to it is more firm to make the connection between water pipe and the connecting piece.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: in the sealing process of the water pipe, for good sealing performance, the connecting shell can apply larger extrusion force to the connecting piece and the sealing ring, and in addition, the plastic water pipe can age to a certain extent after being used for a long time, so that the hardness is reduced, and in the process of maintaining the pipeline, the too high abutting force can cause the phenomenon that the plastic water pipe is deformed or even broken at the contact part of the plastic water pipe and the connecting piece, particularly at the opening of the plastic water pipe.

SUMMERY OF THE UTILITY MODEL

The present application provides a pipe connection structure for a service pipe, which aims to solve the problem of deformation or breakage of the service pipe caused by the extrusion of a seal ring during pipe repair.

The application provides a water pipe uses pipeline connection structure adopts following technical scheme:

a pipeline connecting structure for a tap water pipe comprises an inserting pipe penetrating through the interior of the water pipe and a retaining ring coaxially and fixedly connected with the inserting pipe, wherein a locking device used for tightly pressing the water pipe on the inserting pipe is arranged on the retaining ring; the cambered surface periphery wall rigid coupling of grafting pipe has the seal cover that the pressurized produced deformation, the seal cover inner wall is provided with a plurality of archs, grafting pipe periphery wall seted up with a plurality of shrinkage pools of protruding size one-to-one matching.

Through adopting above-mentioned technical scheme, the user is when connecting the water pipe, through will peg graft the pipe and insert a water pipe inside messenger's water pipe and keep off the ring butt, establish another water pipe cover again on the pipe of pegging graft and with the opposite side butt that keeps off the ring, compress tightly the water pipe on the pipe of pegging graft through locking means, seal cover pressurized this moment produces deformation, protruding card on the seal cover is advanced in the shrinkage pool that corresponds and is supported tightly, realizes the sealing connection between two water pipes under the condition that does not destroy the water pipe.

Optionally, the size of the protrusion gradually increases along a direction in which the end of the plug pipe points to the baffle ring.

Through adopting above-mentioned technical scheme, at the in-process that locking means compressed tightly, the seal cover is close to the deformation that keeps off ring department pressurized production more greatly more, and the arch that the size gradually becomes big gradually is supported in the shrinkage pool and is pressed tighter, makes seal cover and the laminating of grafting pipe inseparabler, and sealing performance is better.

Optionally, transition surfaces pointing to the axial direction of the insertion pipe from the end of the insertion pipe are arranged at two ends of the insertion pipe.

Through adopting above-mentioned technical scheme, after having connected the water pipe and having put through rivers, the problem of the local resistance grow that the pipe diameter that reduces suddenly when water flows from the water pipe to the connecting pipe has been improved in setting up of transition surface, has reduced the resistance that water received when flowing, has improved the problem of rivers turbulence.

Optionally, the coaxial rigid coupling of fender ring periphery wall has a fixed section of thick bamboo, the helicla flute opposite in spiral direction is seted up at fixed section of thick bamboo outer wall both ends, equal threaded connection has the locking section of thick bamboo that is used for the cover to establish at the water pipe tip on the outer wall of fixed section of thick bamboo both ends.

Through adopting above-mentioned technical scheme, when compressing tightly the locking with the water pipe on the pipe of pegging graft, through two locking barrels at the fixed section of thick bamboo both ends of reverse rotation, make the fixed section of thick bamboo be close to keeping off the ring through the helicla flute, simultaneously because the locking barrel internal diameter is not more than the external diameter of fixed section of thick bamboo, at the in-process that a locking barrel removed, the fixed section of thick bamboo constantly applies the pressure of the directional pipe of pegging graft of water pipe to the water pipe, realizes the locking that compresses tightly of water pipe.

Optionally, a transition slope is arranged at a joint of the insertion pipe and the baffle ring.

Through adopting above-mentioned technical scheme, the water pipe is when being close to the fender ring, and the interval between grafting pipe and the locking section of thick bamboo reduces gradually, and the butt between water pipe both sides and grafting pipe and the locking section of thick bamboo gets inseparabler.

Optionally, the locking cylinder is far away from the fixed cylinder open end inner wall rigid coupling has the barb.

Through adopting above-mentioned technical scheme, with water pipe locking back, the barb can improve the problem that a locking section of thick bamboo independently drops.

Optionally, the outer peripheral wall of the locking cylinder is provided with an anti-slip structure.

Through adopting above-mentioned technical scheme, the user is convenient for control locking barrel's rotation more.

Optionally, a water-swellable expansion layer is fixedly connected to an end of the fixing cylinder, which is far away from the opening of the baffle ring.

Through adopting above-mentioned technical scheme, after having connected the water pipe and switch on rivers, if the phenomenon of leaking appears, the inflation layer meets water back volume grow for it is inseparabler to connect between a locking section of thick bamboo and the water pipe, realizes the further sealing to the pipeline.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when a user connects the water pipes, the inserting pipe is inserted into one water pipe to enable the water pipe to be abutted to the blocking ring, the other water pipe is sleeved on the inserting pipe and abutted to the other side of the blocking ring, the water pipe is tightly pressed on the inserting pipe through the locking device, the sealing sleeve is pressed to deform, the protrusion on the sealing sleeve is clamped into the corresponding concave hole and abutted tightly, and connection between the two water pipes is achieved under the condition that the water pipes are not damaged;

2. when the water pipe is pressed and locked on the inserting pipe, the two locking cylinders at the two ends of the fixing cylinder are rotated reversely, so that the fixing cylinder approaches to the baffle ring through the spiral groove, and the fixing cylinder continuously applies pressure of the water pipe pointing to the inserting pipe to the water pipe in the moving process of the locking cylinders, so that the water pipe is pressed and locked;

3. the barb can improve the problem that a locking section of thick bamboo independently drops, and the skid resistant course can let the user be convenient for more control the rotation of a locking section of thick bamboo, and the inflation layer can realize the further sealing to the pipeline.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 isbase:Sub>A schematic sectional view taken along linebase:Sub>A-base:Sub>A of fig. 1.

Reference numerals: 1. a water pipe; 21. Inserting a pipe; 22. a baffle ring; 23. sealing sleeves; 24. a protrusion; 25. concave holes; 26. a transition slope; 31. a fixed cylinder; 32. a helical groove; 33. a locking cylinder; 34. a barb; 35. an intumescent layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a water pipe is with pipeline connection structure. Referring to fig. 2, a pipeline connecting structure for a water pipe comprises an insertion pipe 21 inserted into a water pipe 1 and a retaining ring 22 coaxially and fixedly connected with the insertion pipe 21, wherein when the pipeline connecting structure is specifically arranged, the retaining ring 22 is arranged in the middle of the insertion pipe 21, the outer side surface of the retaining ring 22 protrudes out of the outer peripheral wall of the water pipe 1, and a locking device for pressing the water pipe 1 on the insertion pipe 21 is arranged on the retaining ring 22; the cambered surface periphery wall rigid coupling of grafting pipe 21 has the seal cover 23 that the pressurized produced deformation, and seal cover 23 can be vulcanized rubber, silicon rubber etc. in this embodiment, seal cover 23 is the silicon rubber cover, and seal cover 23 inner wall is provided with a plurality of annular archs 24 along its axial interval, and protruding 24 cross section can be water droplet form, taper etc. in this embodiment, protruding 24 cross section is the water droplet form. A plurality of shrinkage pools 25 that match with a plurality of protruding 24 sizes are seted up to grafting pipe 21 periphery wall, and protruding 24's size is followed the orientation grow gradually that grafting pipe 21 open end pointed to and is kept off ring 22, and the protruding 24 sizes that are closest to and keep off ring 22 just in time match with the shrinkage pool 25 size.

The user is when connecting water pipe 1, through inserting a water pipe 1 inside messenger's water pipe 1 and keeping off ring 22 butt with grafting pipe 21, establish another water pipe 1 cover again on grafting pipe 21 and with the opposite side butt that keeps off ring 22, compress tightly water pipe 1 on grafting pipe 21 through locking means, seal cover 23 pressurized this moment produces deformation, protruding 24 card on the seal cover 23 advances in the shrinkage pool 25 that corresponds and supports tightly, and seal cover 23 is close to more and keeps off ring 22 department pressurized deformation that produces big more, the shrinkage pool 25 of grow gradually provides the dodges space for producing the seal cover 23 of deformation, make seal cover 23 and the laminating of grafting pipe 21 inseparabler, realize not destroying being connected between two water pipes 1 under the condition of water pipe 1.

For realizing compressing tightly the locking to water pipe 1, refer to fig. 1 and fig. 2, the coaxial rigid coupling of fender ring 22 periphery wall has a solid fixed cylinder 31, gu fixed cylinder 31 both ends outer wall sets up spiral groove 32 that the direction of spiral is opposite, gu fixed cylinder 31 both ends outer wall all has the locking section of thick bamboo 33 that is used for the cover to establish at water pipe 1 tip through spiral groove 32 threaded connection who corresponds on the outer wall, locking section of thick bamboo 33 rotates the cover and establishes on water pipe 1 and can follow water pipe 1 axial slip, the sealed cover of open end that keeps away from fender ring 22 of locking section of thick bamboo 33 is established on water pipe 1, grafting pipe 21 is provided with transition slope 26 with the joint portion of fender ring 22, the external diameter of transition slope 26 is followed by the directional direction that keeps off ring 22 of grafting pipe 21 tip grow gradually.

When compressing tightly the locking with water pipe 1 on keeping off ring 22, through two locking barrels 33 at the fixed section of thick bamboo 31 both ends of counter rotation, make fixed section of thick bamboo 31 be close to keeping off ring 22 through spiral groove 32, simultaneously because set up transition slope 26 on the grafting pipe 21, at the in-process that locking barrel 33 removed, the distance between grafting pipe 21 and the fixed section of thick bamboo 31 reduces gradually, fixed section of thick bamboo 31 is constantly applyed the pressure of the directional grafting pipe 21 of water pipe 1 to water pipe 1, the realization is to the locking that compresses tightly of water pipe 1.

In order to strengthen the sealing effect of the present application to water pipe 1, referring to fig. 2, the end of locking cylinder 33 far away from the opening of baffle ring 22 is provided with water-swelling expansion layer 35, and expansion layer 35 can be water-swelling rubber, water-swelling water stop, etc., and in this embodiment, expansion layer 35 is water-swelling water stop.

Considering the possibility of falling off of the locking cylinder 33, referring to fig. 2, the inner wall of the opening end of the locking cylinder 33 far away from the fixed cylinder 31 is fixedly connected with a barb 34, and one surface of the barb 34 close to the baffle ring 22 is an inclined transition surface; considering that the distance difference between the water pipe 1 and the inserting pipe 21 may cause turbulent flow of water, so that resistance applied to the water flow is increased, transition surfaces pointing to the axial direction of the inserting pipe 21 from the end of the inserting pipe 21 are arranged at two ends of the inserting pipe 21, the transition surfaces may be inclined surfaces, arc surfaces, and the like, and in this embodiment, the transition surfaces are arc surfaces; considering that the smooth outer surface of the locking barrel 33 may cause the user to be difficult to rotate, the outer peripheral wall of the locking barrel 33 is provided with an anti-slip structure, which may be an anti-slip groove, an anti-slip protrusion or an anti-slip grid, and in this embodiment, the anti-slip structure is provided as an anti-slip grid.

In consideration of the possibility that a user may be cut by the corners of the locking cylinder 33 during the installation process, referring to fig. 2, the edge of the open end of the locking cylinder 33 is provided with a rounded corner.

The implementation principle of the pipeline connection structure for the tap water pipe 1 in the embodiment of the application is as follows: when a user is connecting the water pipe 1, the water pipe 1 is abutted to the blocking ring 22 by inserting the insertion pipe 21 into the water pipe 1, then the other water pipe 1 is sleeved on the insertion pipe 21 and abutted to the other side of the blocking ring 22, the two locking cylinders 33 at the two ends of the fixing cylinder 31 are rotated reversely, the locking cylinders 33 are close to the blocking ring 22 through the spiral grooves 32, the transition slopes 26 enable the distance between the insertion pipe 21 and the locking cylinders 33 to be gradually reduced, the locking cylinders 33 continuously apply pressure of the water pipe 1 pointing to the insertion pipe 21 to the water pipe 1, the sealing sleeve 23 is deformed by being pressed at the moment, the protrusions 24 on the sealing sleeve 23 are clamped into the corresponding concave holes 25 and are abutted tightly, the gradually-increased protrusions 24 are abutted more tightly in the concave holes 25, the sealing sleeve 23 is attached to the insertion pipe 21 more tightly, and connection between the two water pipes 1 is realized under the condition that the water pipe 1 is not damaged.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A pipeline connection structure for a tap water pipe is characterized in that: the water pipe clamping device comprises an insertion pipe (21) penetrating through the inside of a water pipe (1) and a retaining ring (22) coaxially and fixedly connected with the insertion pipe (21), wherein a locking device used for pressing the water pipe (1) on the insertion pipe (21) is arranged on the retaining ring (22);

the cambered surface periphery wall rigid coupling of grafting pipe (21) has seal cover (23) that the pressurized produced deformation, seal cover (23) inner wall is provided with a plurality of archs (24), grafting pipe (21) periphery wall seted up with a plurality of shrinkage pool (25) of protruding (24) size one-to-one matching.

2. The pipe connection structure for a water service pipe according to claim 1, wherein: the size of the bulge (24) is gradually increased along the direction that the end part of the inserting pipe (21) points to the retaining ring (22).

3. The pipe connection structure for a city water pipe according to claim 1, wherein: transition surfaces pointing to the axis direction of the insertion pipe (21) from the end part of the insertion pipe (21) are arranged at the two ends of the insertion pipe (21).

4. A pipe connecting structure for a city water pipe according to any one of claims 1 to 3, wherein: keep off the coaxial rigid coupling of ring (22) periphery wall and have a fixed section of thick bamboo (31), spiral groove (32) that the spiral direction is opposite are seted up to fixed section of thick bamboo (31) both ends outer wall, equal threaded connection has a locking section of thick bamboo (33) that are used for the cover to establish at water pipe (1) tip on fixed section of thick bamboo (31) both ends outer wall.

5. A pipe connecting structure for a water service pipe according to any one of claims 1 to 3, wherein: the joint of the insertion pipe (21) and the baffle ring (22) is provided with a transition slope (26).

6. The pipe connection structure for a city water pipe according to claim 4, wherein: the locking cylinder (33) is far away from the inner wall of the opening end of the fixed cylinder (31) and fixedly connected with a barb (34).

7. The pipe connection structure for a water service pipe according to claim 4, wherein: the peripheral wall of the locking cylinder (33) is provided with an anti-skidding structure.

8. The pipe connection structure for a city water pipe according to claim 4, wherein: the end part of the fixed cylinder (31) far away from the opening of the baffle ring (22) is fixedly connected with an expansion layer (35) which expands when meeting water.