CN210531816U

CN210531816U - Groove pipe connector

Info

Publication number: CN210531816U
Application number: CN201921410342.5U
Authority: CN
Inventors: 陈思良; 曹文啓; 陈美云; 郑美琼; 陈小雄
Original assignee: Huhang Technology Group Co ltd
Current assignee: Huhang Technology Group Co ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-05-15
Anticipated expiration: 2029-08-28

Abstract

The utility model relates to the technical field of pipe fittings, in particular to a groove pipe fitting, which mainly solves the problems of poor connection sealing performance and short service life of the groove pipe fitting in the prior art, comprising two groove pipes which are detachably connected through a connecting component, the connecting component comprises a first clamp, a second clamp, a seal sleeve and a locking bolt, the seal sleeve is sleeved on the two groove pipes, the first clamp and the second clamp are sleeved outside the seal sleeve in a matching way, the diameter of the first clamp is the same as that of the circumferential outer surface of the seal sleeve, both ends of the first clamp are provided with extending parts which extend outwards, the curvature radius of the extending parts is gradually reduced outwards from one end close to the first clamp, both inner surfaces of both ends of the second clamp are provided with supporting seats which are abutted against the outer surface of the seal sleeve, a through groove is arranged on the supporting seats, both transverse side edges of the first clamp and the second clamp are provided with inclined parts, when installed, the inclined portion abuts against the upper end edge of the annular groove.

Description

Groove pipe connector

Technical Field

The utility model relates to a pipe fitting technical field especially relates to a slot union piece.

Background

In the prior art, the connection of a common groove pipeline 1 ' is performed by a groove pipe fitting, and the groove pipe fitting is composed of a sealing rubber ring 2 ', a clamping hoop 3 ' and a fastening bolt. When connected, as shown in fig. 1: firstly, inserting a sealing rubber ring 2 'outside the ports of two groove pipelines 1', then buckling a hoop 3 'outside the rubber ring 2', and then fastening by two bolts; however, the rubber ring 2 ' for connecting the groove pipe fittings can cause the end surface of the groove pipe 1 ' and the rubber ring 2 ' to be soaked in water all the time in the using process, so that the end surface of the groove pipe 1 ' is easily corroded, the service life is reduced, and the sealing effect of the rubber ring 2 ' and the groove pipe 1 ' is poor easily caused by the structure in a hot expansion state of the rubber ring 2 '.

SUMMERY OF THE UTILITY MODEL

Therefore, to foretell problem, the utility model provides a slot union piece, it has mainly solved the problem that the connection leakproofness of slot union piece is poor, life is short among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a groove pipe connecting piece comprises two groove pipes, wherein the central axes of the two groove pipes are positioned on the same straight line, annular grooves are formed in the two axial ends of each groove pipe, the two groove pipes are detachably connected through a connecting assembly, the connecting assembly comprises a first clamp and a second clamp which are matched with each other, a sealing sleeve and a locking bolt, the sealing sleeve is sleeved on the two groove pipes and positioned between the two annular grooves, bolt holes are formed in the two ends of the first clamp and the two ends of the second clamp, the first clamp and the second clamp are sleeved on the outer side of the sealing sleeve in a matched mode, the two transverse ends of the first clamp and the second clamp are buckled in the annular grooves, the bolt holes in the first clamp and the second clamp which are positioned on the same side are locked through the bolt holes respectively, the diameter of the first clamp is smaller than that of the second clamp, the diameter of the first clamp is the same as the diameter of the circumferential outer surface, the curvature radius of extension outwards reduces from the one end that is close to first clamp gradually, the both ends internal surface of second clamp all is provided with the supporting seat, the supporting seat supports and leans on the surface of seal cover, and the curvature radius of supporting seat is the same with the curvature radius of the surface of seal cover, have a confession on the supporting seat the logical groove that the extension passed, the horizontal both sides edge of first clamp and second clamp all is provided with the rake, and during the installation, this rake supports and leans on the upper end edge at annular groove.

Furthermore, a convex strip is arranged in the middle of the inner surface of the sealing sleeve in a surrounding mode, and the end faces of the two grooved pipes abut against the two side faces of the convex strip respectively.

Furthermore, two convex strips are arranged on the inner surface surrounding the sealing sleeve, and the end surfaces of the two grooved tubes are respectively abutted against the side surfaces of the two convex strips.

Furthermore, the upper end face of the through groove is provided with at least two semi-spherical protrusions along the transverse direction of the through groove.

By adopting the technical scheme, the beneficial effects of the utility model are that: the groove pipe connector is sleeved at the joint of two groove pipes through a sealing sleeve, the end faces of the two groove pipes are mutually contacted, a first clamp and a second clamp are sleeved on the sealing sleeve in a matching way and penetrate through bolt holes on the first clamp and the second clamp which are positioned on the same side through bolts and are locked, inclined parts which are arranged on the two transverse side edges of the first clamp and the second clamp are abutted against the upper end edge of an annular groove, the bolt locking is realized by that the first clamp and the second clamp are mutually close, the end faces of the two groove pipes are mutually extruded under the action of the inclined parts, better sealing performance is formed, the end faces of the groove pipes are better protected from being corroded, the service life is prolonged, when the first clamp and the second clamp are installed, an extension part on the first clamp penetrates through a through groove, the free end of the extension part is abutted against the outer surface of the sealing sleeve, and the curvature radius of the extension part is gradually reduced outwards from one end close, when the bolt is locked, the extension part extrudes the sealing sleeve, so that the sealing sleeve is tightly connected with the grooved pipe, and the connection sealing performance of the grooved pipe is improved; furthermore, the arrangement of the convex strips on the inner surface of the sealing sleeve is favorable, the end surfaces of the grooved pipes abut against the side surfaces of the convex strips during connection, and tight connection is formed under the action of the connecting assembly, so that the end surfaces of the grooved pipes are effectively protected from being corroded; furthermore, the upper end face of the through groove is protruded along the semi-spherical surface arranged in the transverse direction, so that the extending part penetrates and is locked, the extending part is deformed, the curvature radius of the extending part is changed, the tight connection between the sealing sleeve and the grooved pipe is facilitated, and the sealing performance is further improved.

Drawings

FIG. 1 is a schematic view of a prior art channel coupling;

fig. 2 is a schematic cross-sectional view along the axial direction of the grooved tube according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view along the radial direction of the grooved tube according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view along the axial direction of the grooved tube according to the second embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of another state along the axial direction of the grooved tube according to the second embodiment of the present invention.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and detailed description.

The embodiment of the utility model provides a do:

the first embodiment is as follows:

referring to fig. 2 and 3, a groove pipe joint member comprises two groove pipes 1 with central axes on the same straight line, wherein two axial ends of each groove pipe 1 are provided with annular grooves 2, the two groove pipes 1 are detachably connected through a connecting assembly, the connecting assembly comprises a first clamp 3, a second clamp 4, a seal sleeve 5 and a locking bolt 6 which are matched with each other, the seal sleeve 5 is sleeved on the two groove pipes 1 and is positioned between the two annular grooves 2, bolt holes are respectively arranged at two ends of the first clamp 3 and the second clamp 4, the first clamp 3 and the second clamp 4 are matched and sleeved outside the seal sleeve 5, the transverse ends of the first clamp 3 and the second clamp 4 are buckled in the annular grooves 2, the bolt 6 is respectively locked in bolt holes on the first clamp 3 and the second clamp 4 which are positioned on the same side, the diameter of the first clamp 3 is smaller than that of the second clamp 4, the diameter of the first clamp 3 is the same as that of the circumferential outer surface of the seal sleeve 5, the both ends of first clamp 3 all outwards extend and are provided with extension 7, the curvature radius of extension 7 outwards reduces gradually from the one end that is close to first clamp 3, the both ends internal surface of second clamp 4 all is provided with supporting seat 8, supporting seat 8 supports and leans on the surface of seal cover 5, and the curvature radius of supporting seat 8 is the same with the curvature radius of the surface of seal cover 5, a confession has on the supporting seat 8 logical groove 9 that extension 7 passed, the up end that leads to groove 9 is provided with two semicircle ball archs 10 along its horizontal direction, the horizontal both sides of first clamp 3 and second clamp 4 are along all being provided with rake 11, and during the installation, this rake 11 supports and follows the upper end that leans on at annular groove 2 and follows.

Example two:

referring to fig. 4, the second embodiment is further improved on the basis of the first embodiment, and the technical features different from the first embodiment are as follows: a convex strip 12 is arranged in the middle of the inner surface of the sealing sleeve 5 in a surrounding mode, and the end faces of the two grooved pipes 1 respectively abut against the two side faces of the convex strip 12; of course, it may be: referring to fig. 5, two convex strips 12 are arranged on the inner surface of the sealing sleeve 5 in a surrounding manner, the end surfaces of the two grooved tubes 1 respectively abut against the side surfaces of the two convex strips 12, the end surfaces of the grooved tubes 1 abut against the side surfaces of the convex strips 12 when being connected, tight connection is formed through the design, and the end surfaces of the grooved tubes 1 are effectively protected from being corroded.

The utility model discloses a working method is: the groove pipe connector is sleeved at the joint of two groove pipes 1 through sealing, 5, the end faces of the two groove pipes 1 are contacted with each other, a first clamp 3 and a second clamp 4 are sleeved on a sealing sleeve 5 in a matching way and penetrate through bolt holes on the first clamp 3 and the second clamp 4 which are positioned on the same side through bolts 6 and are locked, inclined parts 11 which are arranged on the two transverse side edges of the first clamp 3 and the second clamp 4 are abutted against the upper end edge of an annular groove 2, the bolts 6 are locked in a way that the first clamp 3 and the second clamp 4 are close to each other, the end faces of the two groove pipes 1 are mutually extruded under the action of the inclined parts 11 to form better sealing property, the end faces of the groove pipes 1 are better protected from being corroded, the service life is prolonged, in addition, when the first clamp 3 and the second clamp 4 are installed, an extension part 7 on the first clamp 3 penetrates through a through groove 9, and the free end of the extension part is abutted against, the curvature radius of the extension part 7 is gradually reduced from one end close to the first clamp 3 outwards, so that when the bolt 6 is locked, the extension part 7 extrudes the sealing sleeve 5, the sealing sleeve 5 is tightly connected with the grooved pipe 1, and the connection sealing performance of the grooved pipe 1 is improved; the upper end face of the through groove 9 is provided with the semi-spherical bulge 10 along the transverse direction, so that the extension part 7 penetrates and is locked, the extension part 7 deforms, the curvature radius of the extension part is changed, the tight connection between the sealing sleeve 5 and the grooved pipe 1 is facilitated, and the sealing performance is further improved.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a trench pipe union piece, includes that the axis is located two trench pipes on the same straight line, the axial both ends of trench pipe all have annular slot, its characterized in that: the two groove pipes are detachably connected through a connecting assembly, the connecting assembly comprises a first clamp and a second clamp which are matched with each other, a seal sleeve and a locking bolt, the seal sleeve is sleeved on the two groove pipes and is positioned between the two annular grooves, bolt holes are formed in the two ends of the first clamp and the second clamp, the first clamp and the second clamp are sleeved outside the seal sleeve in a matching mode, the two transverse ends of the first clamp and the second clamp are buckled in the annular grooves in a clamping mode, the bolt holes are respectively locked on the first clamp and the second clamp which are positioned on the same side, the diameter of the first clamp is smaller than that of the second clamp, the diameter of the first clamp is the same as that of the circumferential outer surface of the seal sleeve, extending portions are arranged at the two ends of the first clamp in an extending mode, the curvature radius of the extending portions is gradually reduced from one end close to the first clamp outwards, and supporting seats are arranged on, the supporting seat supports and leans on the surface of seal cover, and the curvature radius of supporting seat is the same with the curvature radius of the surface of seal cover, have a confession on the supporting seat the logical groove that the extension passed, the horizontal both sides edge of first clamp and second clamp all is provided with the rake, and during the installation, this rake supports and leans on the upper end edge of annular groove.

2. The grooved pipe coupling of claim 1, wherein: a convex strip is arranged in the middle of the inner surface of the sealing sleeve in a surrounding mode, and the end faces of the two grooved pipes are abutted to the two side faces of the convex strip respectively.

3. The grooved pipe coupling of claim 1, wherein: two convex strips are arranged on the inner surface of the sealing sleeve in a surrounding mode, and the end faces of the two grooved pipes are abutted to the side faces of the two convex strips respectively.

4. A groove pipe joint according to any one of claims 1 to 3, wherein: the upper end face of the through groove is provided with at least two semi-spherical bulges along the transverse direction.