CN114857380A

CN114857380A - Double-rubber-ring type straight-wall buckle joint

Info

Publication number: CN114857380A
Application number: CN202210664518.XA
Authority: CN
Inventors: 戴天文; 何英
Original assignee: Anhui Guotiancheng Technology Co ltd
Current assignee: Anhui Guotiancheng Technology Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-08-05

Abstract

The invention relates to the field of pipeline connection, in particular to a double-rubber-ring type straight-wall buckle joint. It includes: the sleeve is provided with a plurality of notches and forms a corresponding limit buckle part; the positioning piece is arranged on the inner wall of the sleeve; the limiting ring is connected with one end of the positioning piece, which is far away from the inner wall of the sleeve; and the rubber rings are respectively arranged on two sides of the positioning piece along the length direction of the sleeve, and a penetrating channel is formed between each rubber ring and the limiting ring. The invention can effectively improve the connection firmness and the sealing performance of the drain pipe.

Description

Double-rubber-ring type straight-wall buckle joint

Technical Field

The invention relates to the field of pipeline connection, in particular to a double-rubber-ring type straight-wall buckle joint.

Background

The drainage pipe is divided into a plastic drainage pipe, a concrete pipe and a reinforced concrete pipe, and mainly undertakes the drainage tasks of rainwater, sewage, farmland irrigation and drainage and the like, and is particularly used for longitudinal and transverse drainage and water permeation of the expressway; the back of various retaining walls and side ditches of the expressway are vertically and horizontally drained; draining water from the tunnel and the underground passage; water supply and drainage of municipal works, water purification plants, sewage plants, refuse dumps and the like; drainage of leisure green areas such as golf courses, sports grounds, parks, etc.; slope water and soil conservation is developed on hilly land; underground drainage of land preparation works, etc.

The length of a single drain pipe is determined, and when the length of a target main pipe is long, a plurality of drain pipes need to be connected. Generally, a sleeve joint is used for connection, and two drain pipes penetrate through two ends of the inner side of the sleeve joint, but the existing sleeve joint and a pipeline are single in connection mode, and certain limitations are provided for connection firmness and sealing performance.

Disclosure of Invention

The invention aims to provide a double-rubber-ring type straight-wall buckle joint which can effectively improve the connection firmness and the sealing performance of a drain pipe, aiming at the problems in the background technology.

According to the technical scheme, the invention provides a double-rubber-ring type straight-wall buckle connector, which comprises:

the sleeve is provided with a plurality of notches and forms a corresponding limit buckle part;

the positioning piece is arranged on the inner wall of the sleeve;

the limiting ring is connected with one end of the positioning piece, which is far away from the inner wall of the sleeve;

and the rubber rings are respectively arranged on two sides of the positioning piece along the length direction of the sleeve, and a penetrating channel is formed between each rubber ring and the limiting ring.

Preferably, the notch is a U-shaped notch a, the limit buckle part is a flat buckle part, and the flat buckle part gradually inclines towards the inner side of the sleeve along the direction far away from the end part of the sleeve.

Preferably, the notch is a U-shaped notch b, the limit buckle part is a bent buckle part, and the bent buckle part is gradually bent towards the inner side of the sleeve along the direction far away from the end part of the sleeve.

Preferably, the breach includes breach c of U-shaped and the breach d of U-shaped, and spacing knot portion includes the curved knot portion a that corresponds with breach c and the curved knot portion b that corresponds with breach d, and curved knot portion a is along being close to sleeve tip direction and gradually to the bending of sleeve inboard, and curved knot portion b is along keeping away from sleeve tip direction and gradually to the bending of sleeve inboard.

Preferably, the notch is an open notch e, the limit buckling part is a claw buckling part, the claw buckling part and the inner wall of the sleeve form an acute angle, and the claw buckling part faces the inner side of the sleeve.

Preferably, the breach is the breach f of U-shaped, and spacing knot portion is buckle portion, and buckle portion includes connecting plate portion and interior boss portion of body coupling, and interior boss portion is inboard towards the sleeve.

Preferably, the sleeve is a sleeve a, and the sleeve a is of a cylindrical structure.

Preferably, the sleeve is a sleeve b, the sleeve b is of a cylindrical structure, an outer convex ring portion is coaxially arranged on the sleeve b, and the outer convex ring portion is arranged in a plurality of rows along the axial direction of the sleeve b.

Preferably, the positioning element is a positioning block or a positioning ring.

Preferably, both ends of the axial direction of the limiting ring are provided with guide ring parts, and the guide ring parts are gradually inclined or bent towards the inner side along the direction away from the limiting ring.

Compared with the prior art, the invention has the following beneficial technical effects:

the invention can effectively improve the connection firmness and the sealing performance of the drain pipe. When the drain pipe was the bellows, the bellows had crest and trough, and it is inboard directly to penetrate the sleeve with bellows tip, and until bellows tip butt in setting element department, at this moment, the trough department of bellows is gone into to the rubber ring card, plays sealed effect, also can with spacing knot portion combined action in order to play spacing effect, bellows tip inner wall cover tightly at the spacing ring outer wall, spacing knot portion card is spacing between two adjacent crests on the bellows. By inserting two corrugated pipes into two ends of the sleeve, the two corrugated pipes can be firmly connected and sealed.

Drawings

FIG. 1 is a schematic structural diagram of an application of the embodiment of the present invention;

FIG. 2 is a cross-sectional view of the structure of FIG. 1;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is a cross-sectional view of a second embodiment of the present invention;

FIG. 5 is a cross-sectional view of a third embodiment of the present invention;

FIG. 6 is a cross-sectional view of a structure in a fourth application of the embodiment of the present invention;

FIG. 7 is a cross-sectional view of a fifth embodiment of the present invention;

fig. 8 is a structural sectional view of a sixth application of the embodiment of the present invention.

Reference numerals: 100. a bellows; 11. a sleeve a; 12. a sleeve b; 121. a convex ring part; 101. a notch a; 1011. a flat fastening part; 102. a notch b; 1021. a curved buckle part; 103. a notch c; 1031. a bent buckling part a; 104. a notch d; 1041. a bent buckling part b; 105. a notch e; 1051. a pawl-buckling part; 106. a notch f; 1061. a fastening part; 2. a positioning member; 3. a limiting ring; 31. a guide ring portion; 4. and (4) a rubber ring.

Detailed Description

Example one

As shown in fig. 1-3, the invention provides a double-rubber-ring straight-wall snap joint, which comprises a sleeve, a positioning member 2, a limiting ring 3 and a rubber ring 4. The sleeve is sleeve a11, sleeve a11 is the cylinder structure, be provided with a plurality of breachs on the sleeve and form corresponding limit buckle portion, the breach is the breach a101 of U-shaped, limit buckle portion is flat knot portion 1011, flat knot portion 1011 inclines to the sleeve inboard along keeping away from sleeve tip direction gradually, when bellows 100 moved to sleeve a11 inboard, the flat knot portion 1011 can be backed up to the crest, when bellows 100 moved to and with setting element 2 butt, flat knot portion 1011 can rebound and block between two adjacent crests, in order to carry on spacingly to bellows 100. The positioning piece 2 is arranged on the inner wall of the sleeve. The limiting ring 3 is connected with one end of the positioning piece 2 far away from the inner wall of the sleeve. The rubber ring 4 is respectively arranged on two sides of the positioning piece 2 along the length direction of the sleeve, and a penetrating channel is formed between the rubber ring 4 and the limiting ring 3 and is used for the end part of the corrugated pipe 100 to penetrate through.

This embodiment can effectively improve the firm nature of connection and the leakproofness to the drain pipe. When the drain pipe is bellows 100, bellows 100 has crest and trough, it is inboard directly to penetrate sleeve a11 with bellows 100 tip, until bellows 100 tip butt in setting element 2 department, at this moment, the trough department of bellows 100 is gone into to rubber ring 4 card, play sealed effect, also can play spacing effect jointly with flat portion 1011 of detaining, bellows 100 tip inner wall cover tightly is at 3 outer walls of spacing ring, flat portion 1011 card of detaining is between two adjacent crests on bellows 100, it is spacing to bellows 100. By inserting two corrugated pipes 100 at both ends of the sleeve a11, the two corrugated pipes 100 can be firmly connected and sealed.

Furthermore, the outer peripheral surface of the limiting ring 3 can also be provided with a circle of anti-slip lines, and the friction between the anti-slip lines and the inner wall of the corrugated pipe 100 is improved, so that the limiting effect is improved.

Furthermore, the outer peripheral surface of the sleeve can be provided with reinforcing ribs which can be distributed in a net shape, a ring shape or a strip shape, so that the structural strength and the deformation resistance of the sleeve are effectively improved, and the joint can be firmly connected with the corrugated pipe 100 in a sealing manner.

Example two

As shown in fig. 4, the present embodiment of the invention provides a dual-rubber-ring type straight-wall buckle joint, which is different from the first embodiment in that the notch is a U-shaped notch b102, the limit buckle portion is a bent buckle portion 1021, and the bent buckle portion 1021 gradually bends toward the inner side of the sleeve along a direction away from the end of the sleeve, and can be pushed open by the wave crests of the corrugated tube 100, and is clamped between two adjacent wave crests when the end of the corrugated tube 100 abuts against the positioning member 2, so as to limit the corrugated tube in another form.

EXAMPLE III

As shown in fig. 5, the difference between the embodiment and the first embodiment of the double-rubber-ring type straight-wall snap joint provided by the present invention is that the notch includes a U-shaped notch c103 and a U-shaped notch d104, the limit buckle portion includes a bent buckle portion a1031 corresponding to the notch c103 and a bent buckle portion b1041 corresponding to the notch d104, the bent buckle portion a1031 is gradually bent toward the inner side of the sleeve in a direction approaching the end portion of the sleeve, and the bent buckle portion b1041 is gradually bent toward the inner side of the sleeve in a direction away from the end portion of the sleeve. Curved knot portion a1031 and the orientation of curved knot portion b1041 are different, can block between two adjacent wave crests from different directions to come to spacing bellows 100 with two kinds of modes, spacing effect is better.

Example four

As shown in fig. 6, a difference between the present embodiment and the first embodiment is that the notch is an open notch e105, the limit buckle portion is a claw buckle portion 1051, the claw buckle portion 1051 and the inner wall of the sleeve form an acute angle, the claw buckle portion 1051 faces the inner side of the sleeve, when the corrugated pipe 100 extends from the end of the sleeve a11, the crest will press the claw buckle portion 1051, and when the end of the corrugated pipe 100 abuts against the positioning member 2, the claw buckle portion 1051 will rebound and be clamped between two adjacent crests at this time, so as to effectively limit the corrugated pipe 100.

EXAMPLE five

As shown in fig. 7, the present embodiment of a dual-rubber-ring type straight-wall buckle connector is different from the first embodiment in that the notch is a U-shaped notch f106, the limiting buckle portion is a buckle portion 1061, and the buckle portion 1061 includes a connecting plate portion and an inner boss portion integrally connected, the inner boss portion faces the inner side of the sleeve, and the inner boss can be clamped between two adjacent wave crests to effectively limit the corrugated pipe 100.

EXAMPLE six

As shown in fig. 8, the present embodiment differs from the first, second, third, fourth and fifth embodiments in that the sleeve is a sleeve b12, the sleeve b12 is a cylindrical structure, and the sleeve b12 is coaxially provided with a plurality of outer convex ring portions 121, and the outer convex ring portions 121 are arranged side by side along the axial direction of the sleeve b 12. After the corrugated pipe 100 is buried underground, the sleeve b12 can enlarge the contact area with soil through the outer convex ring part 121, the bearing capacity is improved, and deformation is not easy to occur, so that the corrugated pipe 100 is not easy to extrude and deform, and the firmness and the sealing performance of the connection of the connector to the corrugated pipe 100 are guaranteed.

EXAMPLE seven

Compared with the first embodiment, in the first embodiment, the positioning element 2 is a positioning block or a positioning ring, when the positioning element 2 is a positioning block, a plurality of positioning elements are arranged around the sleeve, and when the positioning element 2 is a positioning ring, only one positioning element is arranged.

Example eight

Compared with the first embodiment, in the first embodiment, the guide ring portions 31 are respectively disposed at two axial ends of the limiting ring 3, the guide ring portions 31 gradually incline or bend inward along the direction away from the limiting ring 3, and the guide ring portions 31 can guide the movement of the corrugated pipe 100, so that the end portion of the corrugated pipe 100 can more easily penetrate through the penetration channel.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. The utility model provides a straight wall buckle of two rubber ring formulas connects which characterized in that includes:

the positioning piece (2) is arranged on the inner wall of the sleeve;

the limiting ring (3) is connected with one end of the positioning piece (2) far away from the inner wall of the sleeve;

and the rubber rings (4) are respectively arranged on two sides of the positioning piece (2) along the length direction of the sleeve, and a penetrating channel is formed between each rubber ring (4) and the limiting ring (3).

2. The double-rubber-ring type straight-wall snap joint as claimed in claim 1, wherein the notch is a U-shaped notch a (101), the position-limiting buckle part is a flat buckle part (1011), and the flat buckle part (1011) is gradually inclined towards the inner side of the sleeve along the direction away from the end of the sleeve.

3. The double-rubber-ring type straight-wall buckle connector as claimed in claim 1, wherein the notch is a U-shaped notch b (102), the position-limiting buckle portion is a bent buckle portion (1021), and the bent buckle portion (1021) is gradually bent towards the inner side of the sleeve in a direction away from the end of the sleeve.

4. The double-rubber-ring type straight-wall snap joint according to claim 1, wherein the notch comprises a U-shaped notch c (103) and a U-shaped notch d (104), the limit buckle portion comprises a bent buckle portion a (1031) corresponding to the notch c (103) and a bent buckle portion b (1041) corresponding to the notch d (104), the bent buckle portion a (1031) is gradually bent towards the inner side of the sleeve along the direction close to the end of the sleeve, and the bent buckle portion b (1041) is gradually bent towards the inner side of the sleeve along the direction far away from the end of the sleeve.

5. The double-ferrule straight-wall snap joint as in claim 1, wherein the notch is an open notch e (105), the limit buckle part is a claw buckle part (1051), the claw buckle part (1051) forms an acute angle with the inner wall of the sleeve, and the claw buckle part (1051) faces the inner side of the sleeve.

6. The double-ferrule straight-walled snap joint of claim 1, wherein the notch is a U-shaped notch f (106), the position-limiting buckle part is a buckle part (1061), and the buckle part (1061) comprises a connecting plate part and an inner boss part which are integrally connected, and the inner boss part faces the inside of the sleeve.

7. A double-ferrule straight-wall snap-on fitting according to any one of claims 1 to 6, wherein the sleeve is a sleeve a (11), and the sleeve a (11) has a cylindrical structure.

8. The double-rubber-ring type straight-wall snap joint according to any one of claims 1 to 6, wherein the sleeve is a sleeve b (12), the sleeve b (12) is of a cylindrical structure, and an outer convex ring part (121) is coaxially arranged on the sleeve b (12), and a plurality of outer convex ring parts (121) are arranged side by side along the axial direction of the sleeve b (12).

9. The double-ferrule straight-walled snap joint according to claim 1, wherein the positioning member (2) is a positioning block or a positioning ring.

10. The double-rubber-ring straight-wall snap joint according to claim 1, wherein the two axial ends of the stop collar (3) are provided with guide ring portions (31), and the guide ring portions (31) are gradually inclined or bent inwards in the direction away from the stop collar (3).