CN217736579U

CN217736579U - Single rubber sleeve type straight wall buckle joint

Info

Publication number: CN217736579U
Application number: CN202221483800.XU
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: 2022-11-04
Anticipated expiration: 2032-06-14

Abstract

The utility model relates to a pipe connection field specifically is a straight wall buckle of single rubber sleeve formula connects. It includes: the sleeve is provided with a plurality of gaps 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 sleeve is coated on the periphery of the limiting ring. The utility model discloses can effectively improve firm nature of connection and the leakproofness to the bellows.

Description

Single rubber sleeve type straight wall buckle joint

Technical Field

The utility model relates to a pipe connection field especially relates to a straight wall buckle of single rubber sleeve formula connects.

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 in tunnels and underground tunnels; 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 in hilly land; underground drainage of land preparation works, etc. Corrugated pipes are a common type of drain pipe.

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

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is to the problem that exists among the background art, provides a can effectively improve the straight wall buckle joint of single rubber sleeve formula of the firm nature of connection and the leakproofness of bellows.

The technical scheme of the utility model, a straight wall buckle of single rubber sleeve formula connects, include:

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 sleeve is coated on the periphery of 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 away from the end part of the sleeve.

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

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

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, the both ends of spacing ring axial all are provided with guide ring portion, and guide ring portion inclines or the bending to the inboard along keeping away from the spacing ring direction gradually, and the gum cover cladding is in guide ring portion periphery.

Compared with the prior art, the utility model discloses following profitable technological effect has:

the utility model discloses can effectively improve the firm nature of connection and the leakproofness to the bellows. The bellows has 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 crest top of bellows is tight at the sleeve inner wall, and bellows tip inner wall chucking is in the gum cover periphery, with gum cover sealing connection, spacing knot portion card is spacing on the bellows between two adjacent crests, carries on spacingly to 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 an 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 fourth 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 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 sleeve.

Detailed Description

Example one

As shown in fig. 1-3, the utility model provides a single rubber sleeve type straight wall buckle joint, which comprises a sleeve, a positioning piece 2, a spacing ring 3 and a rubber sleeve 4. The sleeve is sleeve a11, sleeve a11 is the cylindrical 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 down 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 sleeve 4 is coated on the periphery of the limit ring 3, and a channel for connecting the limit ring 3 and the positioning piece 2 is reserved.

The present embodiment can effectively improve the connection reliability and sealing performance of the corrugated pipe 100. Bellows 100 has crest and trough, and it is inboard directly to penetrate sleeve a11 with bellows 100 tip, and until bellows 100 tip butt is in setting element 2 department, at this moment, the crest top of bellows 100 is tight at sleeve a11 inner wall, and the chucking of bellows 100 tip inner wall is in the 4 peripheries of gum cover, with 4 sealing connection of gum cover, and flat portion 1011 card of detaining is spacing between two adjacent crests on bellows 100 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 sleeve can be provided with reinforcing ribs which can be distributed in a strip shape, a ring shape or a net 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 utility model provides a straight wall buckle joint of single gum cover formula, the difference of this embodiment and embodiment one lies in that, the breach is the breach b102 of U-shaped, and spacing knot portion is curved knot portion 1021, and curved knot portion 1021 is along keeping away from sleeve tip direction gradually to the inboard bending of sleeve, can be backed down by the crest of bellows 100 to block when bellows 100 tip butt is in setting element 2 department between two adjacent crests, come to carry on spacingly to the bellows with another kind of form.

EXAMPLE III

As shown in fig. 5, the utility model provides a straight wall buckle connects of single rubber sleeve formula, the difference of this embodiment and embodiment one lies in, the breach includes the breach c103 of U-shaped and the breach d104 of U-shaped, and spacing knot portion includes the curved knot portion a1031 that corresponds with breach c103 and the curved knot portion b1041 that corresponds with breach d104, and curved knot portion a1031 is along being close sleeve tip direction and bending to the sleeve inboard gradually, and curved knot portion b1041 is along keeping away from sleeve tip direction and bending to the sleeve inboard gradually. 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, the utility model provides a straight wall buckle joint of single rubber sleeve formula, the difference of this embodiment and embodiment one lies in, the breach e105 of breach for the open mouth shape, spacing knot portion is claw knot portion 1051, claw knot portion 1051 is the acute angle with the sleeve inner wall, claw knot portion 1051 is inboard towards the sleeve, bellows 100 is when stretching into from sleeve a11 tip, claw knot portion 1051 can be extruded to the crest promptly, when bellows 100 tip butt to setting element 2, claw knot portion 1051 can rebound and block between two adjacent crests this moment, thereby it is effective spacing to bellows 100.

EXAMPLE five

As shown in fig. 7, the utility model provides a straight wall buckle connects of single rubber sleeve formula, the difference of this embodiment and embodiment one lies in, and the breach is the breach f106 of U-shaped, and spacing knot portion is clamping part 1061, and clamping part 1061 includes the connecting plate portion and the interior boss portion of a body coupling, and interior boss portion is inboard towards the sleeve, and interior boss can block between two adjacent crests to it is effective spacing to bellows 100.

EXAMPLE six

As shown in fig. 8, the present embodiment is different from the first embodiment, the second embodiment, the third embodiment, the fourth embodiment and the fifth embodiment in that the sleeve is a sleeve b12, the sleeve b12 is a cylindrical structure, and an outer convex ring portion 121 is coaxially disposed on the sleeve b12, and the outer convex ring portion 121 is disposed 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 the soil through the convex ring part 121, so that the bearing capacity is improved, and the 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 joint to the corrugated pipe 100 are ensured.

EXAMPLE seven

The utility model provides a single rubber sleeve type straight wall buckle connects compares in embodiment one, in this embodiment, setting element 2 is locating piece or holding ring, when setting element 2 is the locating piece, then sets up a plurality ofly around the sleeve, when setting element 2 is the holding ring, only sets up one.

Example eight

The utility model provides a single rubber sleeve formula straight wall buckle connects, compare in embodiment one, in this embodiment, 3 axial both ends of spacing ring all are provided with guide ring portion 31, guide ring portion 31 is along keeping away from 3 directions of spacing ring and slope or crooked to the inboard gradually, the cladding of gum cover 4 is in guide ring portion 31 periphery, the part of the cladding of gum cover 4 on guide ring portion 31 can lead the removal of bellows 100, make the tip of bellows 100 remove along 4 tip of gum cover more easily, and finally support tightly on setting element 2.

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 without departing from the gist of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a straight wall buckle of single rubber sleeve formula 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 sleeve (4) is coated on the periphery of the limiting ring (3).

2. The single-ferrule straight-wall snap joint according to claim 1, wherein the notch is a U-shaped notch a (101), the position-limiting buckle portion is a flat buckle portion (1011), and the flat buckle portion (1011) gradually inclines towards the inner side of the sleeve along a direction away from the end of the sleeve.

3. The single ferrule type straight-wall snap joint according to claim 1, wherein the notch is a U-shaped notch b (102), the position-limiting fastening portion is a bent fastening portion (1021), and the bent fastening portion (1021) is gradually bent toward the inner side of the sleeve in a direction away from the end of the sleeve.

4. The single-ferrule 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 buckle bending portion a (1031) corresponding to the notch c (103) and a buckle bending portion b (1041) corresponding to the notch d (104), the buckle bending portion a (1031) is gradually bent towards the inner side of the sleeve along a direction approaching to the end portion of the sleeve, and the buckle bending portion b (1041) is gradually bent towards the inner side of the sleeve along a direction away from the end portion of the sleeve.

5. The single-ferrule straight-wall snap joint according to claim 1, wherein the notch is an open notch e (105), the position-limiting fastening portion is a claw fastening portion (1051), the claw fastening portion (1051) forms an acute angle with the inner wall of the sleeve, and the claw fastening portion (1051) faces the inner side of the sleeve.

6. The single-ferrule straight-wall snap joint according to 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 inner side of the sleeve.

7. The single ferrule-type straight-wall snap-fit joint 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 single-ferrule straight-wall snap-fit 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 portion (121) is coaxially arranged on the sleeve b (12), and a plurality of outer convex ring portions (121) are arranged side by side along the axial direction of the sleeve b (12).

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

10. The single-ferrule straight-wall snap joint according to claim 1, wherein the limiting ring (3) is provided with guide ring portions (31) at both axial ends, the guide ring portions (31) are gradually inclined or bent inward along a direction away from the limiting ring (3), and the rubber sleeve (4) covers the periphery of the guide ring portions (31).