CN217603551U

CN217603551U - Pipeline sealing connector for corrugated pipe

Info

Publication number: CN217603551U
Application number: CN202220908554.1U
Authority: CN
Inventors: 胡正根; 晏田古; 施群; 晏晓文
Original assignee: Jiangxi Huifeng Pipe Industry Co ltd
Current assignee: Jiangxi Huifeng Pipe Industry Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-10-18
Anticipated expiration: 2032-04-19

Abstract

The utility model relates to a pipeline sealing technical field especially relates to a pipeline sealing connector for bellows, include the sealing member of constituteing by two or the inseparable concatenations of polylith circular arc spare, be equipped with the chucking device that blocks its butt face in the outer fringe of two adjacent circular arc spare butt faces, the inner wall of circular arc spare is equipped with a plurality of first big draw-in grooves with the bellows adaptation, and the interior bottom surface of the first big draw-in groove that leans on circular arc spare middle part is equipped with the second draw-in groove, is equipped with the third draw-in groove that communicates with the second draw-in groove on the lateral wall of two circular arc spare butt faces, is equipped with sealed the pad in second draw-in groove and the third draw-in groove, sealed pad in the second draw-in groove and the outer wall butt of bellows, sealed mutual butt of sealed pad in the adjacent third draw-in groove. The utility model discloses in, sealed pad and second draw-in groove and third draw-in groove looks adaptation, the protruding wall of bellows inlays in first big draw-in groove, and the sealed pad in the second draw-in groove just in time with the outer wall butt of the protruding wall of bellows for this sealing joint has seal structure, effectively guarantees sealed effect.

Description

Pipeline sealing connector for corrugated pipe

Technical Field

The utility model relates to a pipeline sealing technical field especially relates to a pipeline sealing connector for bellows.

Background

The pipeline joint has various forms, the most common is flange plate and thread type connection, and the purpose of the flange plate connection or thread connection is to increase the pretightening force of the end surface to the sealing ring to realize pipeline sealing. Because flange bolt and connecting thread are when bearing the high stress for a long time, the sealing washer only works under initial pretightning force effect, and do not have a continuous compensation power to keep sealed state, lead to the coupling to appear the pine phenomenon easily, so present coupling ubiquitous leaks the problem, and current pipeline sealing connects intensity usually not enough moreover, and life is not long, has the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a pipe sealing connector for bellows.

The utility model adopts the following technical scheme: the utility model provides a pipeline sealing connector for bellows, includes and closely splices the complete sealing member of constituteing by two or polylith circular arc spare, is equipped with the chucking device who blocks its butt face in the outer fringe of two adjacent circular arc spare butt faces, the inner wall of circular arc spare be equipped with a plurality of first big draw-in grooves of bellows adaptation, the interior bottom surface that leans on the first big draw-in groove at circular arc spare middle part is equipped with the second draw-in groove, be equipped with the third draw-in groove that communicates with the second draw-in groove on the lateral wall of two circular arc spare butt faces, be equipped with sealed the pad in second draw-in groove and the third draw-in groove, sealed pad in the second draw-in groove and the outer wall butt of bellows, the sealed mutual butt of sealed pad in the adjacent third draw-in groove.

Preferably, the chucking device includes the picture peg and establishes the crimping board on the outer fringe of two adjacent circular arc piece butt faces, and an isosceles trapezoid structure is constituteed to two adjacent crimping boards, the one side that the circular arc piece border was kept away from to the crimping board is equipped with the spout of conical surface slope, be equipped with upper and lower, back three side open-ended slots on the picture peg, the slot and the structure looks adaptation that two crimping boards are constituteed.

Preferably, the upper end and the lower end of the insertion plate are provided with stress platforms, and the width of each stress platform is larger than the thickness of the insertion plate.

Preferably, the upper end and the lower end of one butt side wall of each circular arc piece are provided with positioning pins, the upper end and the lower end of the other butt side wall of each circular arc piece are provided with positioning holes matched with the positioning pins, and the positioning pins on the two adjacent circular arc pieces are in socket joint connection with the positioning holes.

Preferably, sealed the pad include with the horizontal sealed pad of second draw-in groove adaptation, with the vertical sealed pad of third draw-in groove adaptation, horizontal sealed pad and vertical sealed pad structure as an organic whole, the groove depth that the thickness of horizontal sealed pad is greater than the second draw-in groove, the groove depth that the thickness of vertical sealed pad is greater than the third draw-in groove.

The utility model discloses one of following beneficial effect has at least:

in the utility model, the sealing gasket is matched with the second clamping groove and the third clamping groove, the convex wall of the corrugated pipe is embedded in the first big clamping groove, so that the corrugated pipe is clamped in the sealing joint, the sealing gasket in the second clamping groove is just abutted against the outer wall of the convex wall of the corrugated pipe, the second clamping grooves on the adjacent circular arc pieces mutually form a plurality of annular grooves, the sealing gasket in the sealing joint and the corrugated pipe form a multiple annular sealing structure, and the mutual abutting of the sealing gasket in the adjacent third clamping groove can effectively seal the splicing surfaces of the two adjacent circular arc pieces, so that the sealing effect of the sealing joint of the corrugated pipe is stable when the sealing joint is matched with the corrugated pipe; and the structure of first big draw-in groove makes to have many strengthening ribs on the lateral wall of circular arc spare in other words, has effectively guaranteed the mechanical strength of circular arc spare, has improved the utility model discloses a life.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

FIG. 2 is a schematic view of the preferred embodiment of the present invention with the plugboard removed;

FIG. 3 is a schematic view of the circular arc member and the gasket according to the preferred embodiment of the present invention;

FIG. 4 is an enlarged schematic view of portion A of FIG. 3;

FIG. 5 is a schematic structural view of a circular arc member according to a preferred embodiment of the present invention;

FIG. 6 is a schematic top view of a circular arc member according to a preferred embodiment of the present invention;

FIG. 7 is a schematic view of a preferred embodiment of the present invention;

FIG. 8 is a schematic view of a gasket structure according to a preferred embodiment of the present invention;

fig. 9 is a schematic structural diagram of another embodiment of the present invention.

Description of reference numerals:

10 sealing elements, 11 arc elements, 111 positioning pins, 112 positioning holes, 12 first large clamping grooves, 13 second clamping grooves, 14 third clamping grooves, 15 sealing gaskets, 151 transverse sealing gaskets, 152 longitudinal sealing gaskets, 20 clamping devices, 21 inserting plates, 211 inserting grooves, 212 stress tables, 22 crimping plates and 221 sliding grooves.

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.

In the description of the present invention, it is to be understood that the terms "center, longitudinal, transverse, length, width, thickness, upper, lower, front, rear, left, right, vertical, horizontal, top, bottom, inner, outer, clockwise, counterclockwise" and the like refer to the orientation or positional relationship as shown in the drawings, which is only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.

Embodiment 1, refer to fig. 1 to 8, the utility model discloses a preferred embodiment, a pipe sealing connector for bellows, include and closely splice the complete sealing member 10 of constitution by two or polylith circular arc spare 11, be equipped with the chucking device 20 that blocks its butt face in the outer fringe of 11 butt faces of adjacent two circular arc spare, the inner wall of circular arc spare 11 is equipped with a plurality of first big draw-in grooves 12 with the bellows adaptation, the interior bottom surface of the first big draw-in groove 12 that leans on circular arc spare 11 middle part is equipped with second draw-in groove 13, be equipped with the third draw-in groove 14 with second draw-in groove 13 intercommunication on the lateral wall of 11 butt faces of two circular arc spare, be equipped with sealed the pad 15 in second draw-in groove 13 and the third draw-in groove 14, sealed pad 15 in the second draw-in groove 13 and the outer wall butt of bellows, sealed pad 15 mutual butt in the adjacent third draw-in groove 14. In the utility model, the sealing gasket 15 is matched with the second clamping groove 13 and the third clamping groove 14, the convex wall of the corrugated pipe is embedded in the first big clamping groove 12, so that the corrugated pipe is clamped in the sealing joint, the sealing gasket 15 in the second clamping groove 13 is just abutted against the outer wall of the convex wall of the corrugated pipe, the second clamping grooves 13 on the adjacent circular arc pieces 11 mutually form a plurality of annular grooves, the sealing gasket 15 in the annular grooves and the corrugated pipe form a multiple annular sealing structure, and the sealing gasket 15 in the adjacent third clamping groove 14 is abutted against each other to effectively seal the splicing surfaces of the two adjacent circular arc pieces 11, so that the sealing effect is stable when the utility model is matched with the corrugated pipe; and the structure of first big draw-in groove 12 makes and has many strengthening ribs on the lateral wall of circular arc piece 11 in other words, has effectively guaranteed the mechanical strength of circular arc piece 11, has improved the utility model discloses a life.

As a preferred embodiment of the present invention, it may also have the following additional technical features:

the clamping device 20 comprises an inserting plate 21 and pressing plates 22 arranged on the outer edges of abutting surfaces of two adjacent arc pieces 11, the two adjacent pressing plates 22 form an isosceles trapezoid structure, one side, far away from the edge of the arc piece 11, of each pressing plate 22 is provided with a sliding groove 221 with an inclined conical surface, the inserting plate 21 is provided with a slot 211 with an opening in the upper side, the lower side and the rear side, the slot 211 is matched with the structure formed by the two pressing plates 22, during specific installation, the lower end of the slot 211 of the inserting plate 21 is aligned to the upper ends of the two adjacent pressing plates 22, then the inserting plate 21 is pushed downwards, the two adjacent pressing plates 22 are embedded into the slot 211, and due to the structural characteristics of the slot 211 and the two pressing plates 22, the closer the inserting plate 21 is, the closer the adjacent arc pieces 11 are clamped, and the two adjacent pressing plates 22 can be kept in a tight abutting state under a continuous compensation force; in this embodiment, the lower end opening of the slot 211 is larger than the upper end opening, and the rear end opening is in a trapezoid structure; the front side wall of the inserting plate 21 is uniformly provided with a plurality of convex plates, so that force application of workers is facilitated.

The upper end and the lower end of the inserting plate 21 are provided with the stress platforms 212, the width of each stress platform 212 is larger than the thickness of the inserting plate 21, when a worker installs the inserting plate 21, the stress platforms 212 can be knocked by a tool, so that the compression joint plates 22 are smoothly embedded into the inserting grooves 211, the situation that the inserting plate 21 is difficult to press down by manual operation is avoided, and the stress platforms 212 are arranged at the upper end and the lower end, so that the worker can use knocking tools when installing or detaching the inserting plate 21; in the embodiment, the inner diameter of the corrugated pipe matched with the sealing element 10 is 250-350 mm, and due to the large size, a tool is required to knock the stress platform 212 to complete the installation and the disassembly of the inserting plate 21; in this embodiment, the front-to-back width of the force bearing platform 212 is at least larger than the thickness of the insert plate 21, and is flush with the upper end or the lower end of the insert plate 21.

The upper end and the lower end of one abutted side wall of the arc pieces 11 are provided with positioning pins 111, the upper end and the lower end of the other abutted side wall are provided with positioning holes 112 matched with the positioning pins 111, the positioning pins 111 and the positioning holes 112 on two adjacent arc pieces 11 are in socket joint connection, the positioning pins 111 and the positioning holes 112 are matched to enable the adjacent arc pieces 11 to be primarily spliced, and then the adjacent arc pieces 11 are stably spliced by using the inserting plates 21; in this embodiment, no sealing gasket 15 is disposed in the uppermost or lowermost first large clamping groove 12, the second clamping grooves 13 are disposed in the other first large clamping grooves 12 in the middle, and the sealing gaskets 15 are disposed in the uppermost and lowermost second clamping grooves 13, in particular, in implementation, all the second clamping grooves may be provided with the sealing gaskets 15; the positioning pin 111 or the positioning hole 112 is arranged at the upper end of the side wall of the second first large clamping groove 12 at the upper end and at the lower end of the side wall of the second first large clamping groove 12 at the lower end in order to be staggered with the sealing gasket 15; in this embodiment, the sealing member 10 is composed of two arc members 11.

The sealing gasket 15 comprises a transverse sealing gasket 151 matched with the second clamping groove 13 and a longitudinal sealing gasket 152 matched with the third clamping groove 14, the transverse sealing gasket 151 and the longitudinal sealing gasket 152 are of an integral structure, the thickness of the transverse sealing gasket 151 is larger than the depth of the second clamping groove 13, the thickness of the longitudinal sealing gasket 152 is larger than the depth of the third clamping groove 14, the transverse sealing gasket 151 protrudes out of the corresponding second clamping groove 13, the outer wall of the corrugated pipe embedded in the first large clamping groove 12 can be tightly abutted to the transverse sealing gasket 151, the sealing performance is improved, similarly, the longitudinal sealing gasket 152 protrudes out of the corresponding third clamping groove 14, and the two adjacent longitudinal sealing gaskets 152 can be tightly abutted to ensure that the splicing gap of the two adjacent arc pieces 11 can be effectively sealed, and due to the effect of the clamping device 20, the adjacent longitudinal sealing gaskets 152 can be kept in a tight abutting state under the action of a continuous compensation force; the transverse sealing gasket 151 and the longitudinal sealing gasket 152 are arranged integrally, so that the installation is convenient, and the sealing stability is ensured; during specific implementation, the port of the corrugated pipe to be butted is positioned in the middle of the sealing element 10, so that the sealing effect is ensured.

Example 2, with reference to fig. 9, the sealing element 10 consists of four circular arc pieces 11, and the corresponding insert plate 21 also has four pieces; in specific implementation, the sealing member 10 may also be composed of six or eight circular arc members 11, which is not limited thereto.

The above additional technical features can be freely combined and used in superposition by those skilled in the art without conflict.

The above only is the preferred embodiment of the present invention, as long as the technical solution of the purpose of the present invention is realized by basically the same means, all belong to the protection scope of the present invention.

Claims

1. The utility model provides a pipe sealing connector for bellows, its characterized in that includes and closely splices to form complete sealing member (10) by two or polylith circular arc spare (11), is equipped with chucking device (20) that block its butt face in the outer fringe of two adjacent circular arc spare (11) butt faces, the inner wall of circular arc spare (11) is equipped with a plurality of first big draw-in grooves (12) with the bellows adaptation, leans on the interior bottom surface of first big draw-in groove (12) at circular arc spare (11) middle part to be equipped with second draw-in groove (13), is equipped with on the lateral wall of two circular arc spare (11) butt faces with third draw-in groove (14) of second draw-in groove (13) intercommunication, be equipped with sealed pad (15) in second draw-in groove (13) and third draw-in groove (14), sealed pad (15) in second draw-in groove (13) and the outer wall butt of bellows, sealed pad (15) in adjacent third draw-in groove (14) butt each other.

2. The pipe sealing connector for the corrugated pipe as claimed in claim 1, wherein the clamping device (20) comprises an inserting plate (21) and crimping plates (22) arranged on the outer edges of abutting surfaces of two adjacent circular arc pieces (11), the two adjacent crimping plates (22) form an isosceles trapezoid structure, one side, away from the edge of the circular arc piece (11), of each crimping plate (22) is provided with a chute (221) inclined by a conical surface, an inserting groove (211) with an opening at the upper side, the lower side and the rear side is formed in the inserting plate (21), and the inserting groove (211) is matched with a structure formed by the two crimping plates (22).

3. A pipe sealing joint for corrugated pipe according to claim 2, wherein the upper and lower ends of the insert plate (21) are provided with force bearing platforms (212), and the width of the force bearing platforms (212) is greater than the thickness of the insert plate (21).

4. The pipe sealing joint for corrugated pipe as claimed in claim 1, wherein the circular arc members (11) have positioning pins (111) at upper and lower ends of one abutting side wall, positioning holes (112) adapted to the positioning pins (111) at upper and lower ends of the other abutting side wall, and the positioning pins (111) and the positioning holes (112) of two adjacent circular arc members (11) are in socket joint with each other.

5. The pipe sealing joint for the corrugated pipe as recited in claim 1, wherein the sealing gasket (15) comprises a transverse sealing gasket (151) adapted to the second locking groove (13) and a longitudinal sealing gasket (152) adapted to the third locking groove (14), the transverse sealing gasket (151) and the longitudinal sealing gasket (152) are of an integral structure, the thickness of the transverse sealing gasket (151) is greater than the depth of the second locking groove (13), and the thickness of the longitudinal sealing gasket (152) is greater than the depth of the third locking groove (14).