CN216555910U

CN216555910U - Anti-drop pipe connecting structure

Info

Publication number: CN216555910U
Application number: CN202123431477.XU
Authority: CN
Inventors: 罗增良; 林碧汀
Original assignee: Xiangshan Harbor Auto Parts Co ltd
Current assignee: Xiangshan Harbor Auto Parts Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-05-17
Anticipated expiration: 2031-12-30

Abstract

The utility model relates to the technical field of pipeline connection, and particularly discloses an anti-drop pipe connection structure which comprises a pipeline and a connector for connecting the pipeline, wherein the connector is provided with a connector, and the connector is inserted and installed in the pipeline; the pipeline fixing device is characterized in that at least one fixing ring is wound on the outer surface of the connector, the far connecting piece end of the fixing ring is provided with an inserting surface, the near connecting piece end of the fixing ring is provided with a stop surface, a tightening ring is integrally formed on the outer wall of the pipeline corresponding to the fixing ring, the tightening ring is elastic, and the elastic restoring capacity of the tightening ring is matched with the stop surface in the pipeline mounting process through the arrangement of the tightening ring, so that a good fixing effect is achieved, and the connection firmness is enhanced.

Description

Anti-drop pipe connecting structure

Technical Field

The utility model relates to the technical field of pipeline connection, in particular to an anti-dropping pipe connection structure.

Background

China is one of countries with poor water resources in the world, and agricultural irrigation accounts for more than 70% of the total water resource consumption. In recent years, the pipeline water delivery irrigation technology widely popularized and applied in China obtains comprehensive benefits of water saving, energy saving, land saving and labor saving.

When water delivery irrigates, the connected mode between the pipeline, it is fixed in the pipeline to adopt the direct grafting of pagoda head on the connecting piece to fix usually, but this fixed mode's fixed strength is not high, the pipeline is extremely easy to produce under the condition that bears high water pressure not hard up or even drop in the junction, the current form that increases the clamp in the outside, the form equipment degree of difficulty of clamp is big, need extra part to be equipped with, and is with high costs, the sealing performance of this structure is general simultaneously, when water pressure uprises, spill from the junction easily, cause the waste of water resource.

SUMMERY OF THE UTILITY MODEL

The utility model provides an anti-drop pipe connecting structure which is firm to install and strong in sealing performance.

In order to solve the technical problem, the present application provides the following technical solutions:

an anti-drop pipe connecting structure comprises a pipeline and a connecting piece for connecting the pipeline, wherein the connecting piece is provided with a connector which is inserted and installed in the pipeline; the outer surface of the connector is wound with at least one fixing ring, the far connecting piece end of the fixing ring is provided with an inserting surface, the near connecting piece end of the fixing ring is provided with a stop surface, the outer wall of the pipeline is integrally formed with a tightening ring corresponding to the fixing ring, and the tightening ring is elastic.

Has the advantages that: through the mode that sets up the straining ring on the outer wall of pipeline, in-process in the connector grafting entering pipeline, the connector will be extruded the pipeline and the straining ring on it, the straining ring expands slightly under the extruded effect, increase its cross-sectional radius, solid fixed ring on the connector passes through the back, the straining ring constantly tightens up under the effect of self elasticity, the straining ring after tightening up will play limiting displacement, and mutually support between the locking face, thereby avoid the possibility that the pipeline drops, the joint strength of pipeline has effectively been improved, can bear higher water pressure, in technology, do not need extra clamp structure, it is more convenient to assemble, the straining ring will make pipeline and the laminating of connector surface inseparabler simultaneously, thereby improve sealed effect.

The holding tank has been seted up to the pipeline inner wall correspondence solid fixed ring, gu the solid fixed ring joint is in the holding tank.

Has the advantages that: the holding tank has been seted up to the pipeline inner wall, after the connector installation got into the pipeline, solid fixed ring joint was in the holding tank to further improved the firm in connection nature between pipeline and the connecting piece.

The outer surface of the pipeline corresponds to the accommodating groove and is integrally formed with a thickening layer.

Has the advantages that: through the setting of thickening layer to the reinforcing to a certain extent has been carried out holding tank portion, has increased the thickness that holds tank portion pipeline pipe wall, with the bulk strength that increases the pipeline, the life of extension pipeline.

Still include the annular, the annular is seted up on the locking surface around connector a week.

Has the advantages that: through the setting of annular for solid fixed ring's far away centre of a circle end has the elasticity of certain degree, can carry out slight deformation when carrying out the installation of connector, with the radius of reducing, thereby make things convenient for more in the connecting piece installation gets into the pipeline, easy to assemble flow, and because elastic setting, make the laminating between the internal surface of solid fixed ring and pipeline inseparabler, thereby promoted sealed effect.

The inner wall of holding tank is gone up integrated into one piece and is had first sealing ring, first sealing ring is pegged graft in the annular.

Has the advantages that: through the setting of first sealing ring, after the connector installation gets into the pipeline, first sealing ring will peg graft and get into in the annular to and the annular between the cooperation form an annular sealed area, thereby further promote sealed effect.

The annular is internally and fixedly provided with a second sealing ring, and the second sealing ring has elasticity.

Has the advantages that: the second sealing ring has certain elasticity to support the end of the far centre of a circle of solid fixed ring, thereby increase the intensity of the end of the far centre of a circle, with increase of service life, simultaneously through the laminating between second sealing ring and the pipeline inner wall, thereby further promotion the sealed effect of pipeline. And place the mounting means at solid fixed ring grafting direction back with the second sealing ring, will effectually guaranteed the in-process second sealing member of connector installation can not because with the pipeline inner wall between the friction, lead to the sealing washer to take place the displacement, lead to the sealing washer to produce in the installation and pull, lead to the sealing washer inefficacy and even damage to sealed effect has been guaranteed.

The second sealing ring is exposed out of the ring groove forming convex part.

Has the advantages that: the second sealing ring is exposed out of the annular groove and can be better attached to the inner wall of the pipeline, so that a better sealing effect is obtained.

The connecting piece is provided with the step with the junction of connector, the elastic component that is used for supporting the pipeline tip is installed to step department.

Has the advantages that: step department can be put into to the elastic component, supports the pipeline tip to make the laminating degree between second sealing ring in the pipeline and the annular inner wall higher, in order to provide better sealed effect.

The included angle between the stop surface and the outer surface of the pipeline is an obtuse angle.

Has the advantages that: an obtuse angle is formed between the stop surface and the outer surface of the connector, so that the connector can be taken out of the pipeline more conveniently, and the damage to the inner wall of the pipeline is reduced.

Drawings

Fig. 1 is a schematic perspective view of the anti-drop pipe connection structure;

FIG. 2 is a schematic cross-sectional view of the anti-drop pipe connection;

FIG. 3 is an enlarged partial schematic view of FIG. 2;

FIG. 4 is a partially enlarged schematic view of embodiment 1;

FIG. 5 is a partially enlarged view showing embodiment 2;

fig. 6 is a partially enlarged schematic view of embodiment 3.

Detailed Description

The following is further detailed by way of specific embodiments:

the reference numbers in the drawings of the specification include: pipeline 1, connecting piece 2, connector 3, solid fixed ring 4, plug surface 5, stop surface 6, tightening ring 7, holding tank 8, thickening layer 9, annular 10, first sealing ring 11, step 12, elastic component 13, second sealing ring 14.

Example 1:

as shown in figures 1-6: the embodiment shows an anti-drop pipe connection structure, which comprises a pipeline 1 and a connecting piece 2 used for connecting the pipeline 1, wherein the connecting piece 2 is provided with a connector 3, the connector 3 is inserted and installed in the pipeline 1, in the embodiment, the connecting piece 2 is a right angle, the two connectors 3 are respectively arranged at two ends of the connecting piece 2, and the connector 3 and the connecting piece 2 are integrally formed; the outer surface of the connector 3 is wound with two fixing rings 4, in the technical scheme, the two fixing rings 4 are arranged, in order to facilitate insertion, the radius of each fixing ring 4 is reduced along with the increase of the distance between each fixing ring and the corresponding connecting piece 2, the fixing rings 4 and the connector 3 are integrally formed, the end, far away from the corresponding connecting piece 2, of each fixing ring 4 is an insertion surface 5, the end, close to the corresponding connecting piece 2, of each fixing ring 4 is a stop surface 6, a tightening ring 7 is integrally formed on the outer wall of the pipeline 1 corresponding to the corresponding fixing ring 4, the number of the tightening rings 7 is 2, the radius of each tightening ring 7 is reduced along with the increase of the distance between the tightening ring and the end of the pipeline 1, the tightening rings 7 have elasticity, when the fixing rings 4 on the connector 3 are installed, the tightening rings 7 are extruded and expanded, after the fixing rings 4 pass through, the tightening rings 7 are reset and attached to the outer surface of the connector 3, and limit is formed on the stop surfaces 6, to avoid the water pipe falling off.

Further, for increasing the firm in connection nature, holding tank 8 has been seted up to 1 inner wall of pipeline corresponding solid fixed ring 4, holding tank 8 has been seted up two.

In order to increase the strength of the pipeline 1, a thickening layer 9 is integrally formed on the outer surface of the pipeline 1 corresponding to the accommodating groove 8, and the thickening layer 9 is connected with the tightening ring 7 to form a whole, so that the pipeline is more convenient to process.

Further, still include annular 10, annular 10 is seted up on retaining surface 6, through the setting of annular 10 for the distal axial center end of solid fixed ring 4 has certain deformability, can carry out certain degree of bending under the extrusion, with the radius that reduces wholly.

Integrated into one piece has first sealing ring 11 on the inner wall of

holding tank

8, and 3 grafting at the connector get into behind in the pipeline 1, 11 joints of first sealing ring get into in annular 10, and first sealing ring 11 directly cooperates with annular 10 and forms sealedly.

For guaranteeing the inseparable laminating between first sealing ring 11 and the annular 10, connecting piece 2 is formed with step 12 with the junction of connector 3, step 12 department installs the elastic component 13 that is used for supporting 1 tip of pipeline, and is concrete, elastic component 13 is for cup jointing the rubber circle on the surface of connector 3, and the two sides of rubber circle are laminated with the mesa of 1 tip of pipeline and step 12 respectively mutually, through the elasticity of rubber circle for laminating between the inner wall of retaining surface 6 and holding tank 8 is inseparabler, in order to guarantee sealing performance.

In order to avoid scratching the inner wall of the pipe 1 when the connector 2 is removed, the angle between the stop surface 6 and the outer surface of the connecting head 3 is obtuse.

Example 2:

the structure is basically similar to that of embodiment 1, with the difference that: as shown in fig. 5: the annular groove 10 is embedded with a second sealing ring 14, the second sealing ring 14 has elasticity, and specifically the second sealing ring 14 is a rubber O-ring.

Example 3:

the structure is basically similar to that of the embodiment 2, and the difference point is that: as shown in fig. 6: the first sealing ring 11 is not arranged in the accommodating groove 8, but the second sealing ring 14 is exposed out of the annular groove 10 and attached to the inner wall of the accommodating groove 8, so that a sealing structure is formed, specifically, the cross section width of the second sealing ring 14 is greater than the depth of the groove, and part of the second sealing ring is exposed out of the surface of the stopping surface 6 to form a convex part.

The specific operation flow is as follows:

when the pipeline 1 is installed, a rubber ring as an elastic part 13 is sleeved on the connector 3, an O-shaped ring as a second sealing ring 14 is embedded into the annular groove 10 for installation, then the connector 3 is pressed into aiming at the end part of the pipeline 1, in the process that the connector 3 enters the pipeline 1, the fixing ring 4 extrudes the tightening ring 7, so that the tightening ring 7 slightly deforms, the radius of the tightening ring is enlarged, the far axial center end of the fixing ring 4 on the connector 3 slightly deforms under the extrusion of the connector 3, the radius is reduced, the radius is increased and decreased, so that the part of the fixing ring 4 can more easily pass through the tightening ring 7, after the fixing ring 4 passes through, the tightening ring 7 is tightened towards the direction of the circle center, the locking surface 6 is matched to prevent the pipeline 1 from loosening, the convenience for installing the connector 2 is effectively improved, when the connector 3 is installed in place, namely, the end part of the pipeline 1 is attached to the elastic part 13, and when the elastic part 13 is deformed by extrusion, the user releases his hand, at this time, the pipeline 1 slightly retracts under the action of the elastic part 13, at this time, the fixing ring 4 is positioned in the annular groove 10, the far axial center end of the fixing ring 4 resets, the stop surface 6 is attached to the inner wall of the accommodating groove 8, at this time, aiming at the structure of the embodiment 1, the first sealing ring 11 is clamped in the annular groove 10 to form sealing, aiming at the structure of the embodiment 2, the first sealing ring 11 is clamped in the annular groove 10 and is attached to and extruded with the second sealing ring 14 in the annular groove 10 to form sealing, aiming at the structure of the embodiment 3, the part of the second sealing ring 14 in the annular groove 10 is exposed out of the annular groove 10 and is attached to the inner wall of the accommodating groove 8 to form sealing, so as to finish the installation process of the pipeline 1.

The above are only examples of the present invention, and the present invention is not limited to the field related to this embodiment, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art can know the general technical knowledge of the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own abilities to complete and implement the scheme, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. An anti-drop pipe connecting structure comprises a pipeline and a connecting piece for connecting the pipeline, wherein the connecting piece is provided with a connector which is inserted and installed in the pipeline; the method is characterized in that: the outer surface of the connector is wound with at least one fixing ring, the far connecting piece end of the fixing ring is provided with an inserting surface, the near connecting piece end of the fixing ring is provided with a stop surface, the outer wall of the pipeline is integrally formed with a tightening ring corresponding to the fixing ring, and the tightening ring is elastic.

2. The anti-drop pipe connection structure according to claim 1, characterized in that: the holding tank has been seted up to the pipeline inner wall correspondence solid fixed ring, gu the solid fixed ring joint is in the holding tank.

3. The anti-drop pipe connection structure according to claim 2, characterized in that: the outer surface of the pipeline corresponds to the accommodating groove and is integrally formed with a thickening layer.

4. The anti-drop pipe connection structure according to claim 2, characterized in that: the annular groove is arranged on the stop surface.

5. The drop-proof pipe connection structure according to any one of claims 2 to 4, wherein: the inner wall of holding tank is gone up integrated into one piece and is had first sealing ring, first sealing ring is pegged graft in the annular.

6. The anti-drop pipe connection structure according to claim 4, wherein: the annular is internally and fixedly provided with a second sealing ring, and the second sealing ring has elasticity.

7. The anti-drop pipe connection structure according to claim 6, wherein: the second sealing ring is exposed out of the ring groove forming convex part.

8. The anti-drop pipe connection structure according to claim 2, characterized in that: the connecting piece is provided with the step with the junction of connector, the elastic component that is used for supporting the pipeline tip is installed to step department.

9. The anti-drop pipe connection structure according to claim 1, characterized in that: the included angle between the stop surface and the outer surface of the connector is an obtuse angle.