CN115111441A

CN115111441A - Reducing type sealing rubber mat water-closing sleeve connecting structure

Info

Publication number: CN115111441A
Application number: CN202210765000.5A
Authority: CN
Inventors: 戴天文; 何英
Original assignee: Anhui Guotiancheng Technology Co ltd
Current assignee: Anhui Guotiancheng Technology Co ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-09-27

Abstract

The invention relates to the field of corrugated pipe connection, in particular to a reducing type sealing rubber mat water-closing sleeve connecting structure. It comprises a sleeve and a rubber cushion; the sleeve is of a rotary structure, two outward convex ring parts which are convex outwards are symmetrically arranged at two ends of the sleeve, and a plurality of limiting buckle parts are uniformly arranged at the outward convex ring parts; the rubber mat is of a circular ring structure and is coaxially arranged on the inner wall of the sleeve. The invention uses a single rubber cushion for sealing connection, and can improve the smoothness of the insertion process of the corrugated pipe and the firmness after the connection is finished.

Description

Reducing type sealing rubber mat water-closing sleeve connecting structure

Technical Field

The invention relates to the field of corrugated pipe connection, in particular to a variable-diameter type sealing rubber mat water-closing sleeve connecting structure.

Background

The drainage pipe comprises a corrugated pipe and other types of pipelines, mainly takes 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 highway; the back of various retaining walls and side ditches of the expressway are vertically and horizontally drained; draining water from underground tunnels and tunnels; drainage of golf courses, parks, sports grounds, and the like; water supply and drainage of municipal works, sewage plants, water purification plants, garbage dumps and the like; underground drainage of land preparation works, etc.

The length of a single corrugated pipe is fixed, and when the length of a total pipeline required to be used under a certain scene exceeds the length of the single corrugated pipe, a plurality of corrugated pipes are connected to obtain the pipeline reaching the total length. Generally, can use the muffjoint structure to connect the bellows, insert two bellows to muffjoint structure both ends inboard, nevertheless generally need use two rubber rings to seal two bellows, in addition, at the in-process of inserting the bellows, have the problem of inserting not smooth and easy, the firm nature behind the muffjoint structure connection bellows also has the space of promotion.

Disclosure of Invention

The invention aims to solve the problems in the background art and provides a reducing type sealing rubber gasket water-closing sleeve connecting structure which uses a single rubber gasket for sealing connection and can improve the smoothness of the corrugated pipe in the inserting process and the firmness after connection.

The technical scheme of the invention is that the diameter-variable sealing rubber mat water-closing sleeve connecting structure comprises a sleeve and a rubber mat. The sleeve is of a rotary structure, two outward convex ring parts which are convex outwards are symmetrically arranged at two ends of the sleeve, and a plurality of limiting buckle parts are uniformly arranged at the outward convex ring parts; the rubber mat is of a circular ring structure and is coaxially arranged on the inner wall of the sleeve.

Preferably, a plurality of openings are uniformly arranged on the outer convex ring part, and the limiting buckle part is correspondingly connected to the openings.

Preferably, the limit buckle part is a straight plate part, and the straight plate part gradually inclines towards the inner side of the sleeve along the direction from one end connected with the opening to the other end.

Preferably, the limiting buckle part is a bent plate part, and the bent plate part is gradually bent towards the inner side of the sleeve along the direction from one end connected with the opening to the other end.

Preferably, the outer end of the outer convex ring part is uniformly provided with a plurality of gaps, and the gaps and the limit buckle parts are distributed in a staggered manner.

Preferably, the limiting buckle part is an inner folded plate part, and the inner folded plate part is gradually inclined towards the inner side of the sleeve along the direction away from the outer convex ring part.

Preferably, spacing knot portion is outer folded plate portion, and outer folded plate portion inclines to the sleeve outside along keeping away from evagination ring portion direction gradually.

Preferably, the middle part of the outer peripheral surface of the sleeve is an inward-recessed ring part which protrudes towards the inner side of the sleeve; the rubber pad is embedded and sleeved on the inner sunken ring part.

Preferably, sleeve outer peripheral face middle part is overhanging ring portion, and overhanging ring portion is protruding and form the draw-in groove in the sleeve inboard outside the sleeve, and the cushion inlay card sets up in draw-in groove department.

Preferably, the inner peripheral surface of the sleeve is provided with a positioning piece, the positioning piece comprises a connecting portion connected with the inner wall of the sleeve and a limiting portion integrally connected with the connecting portion, and the rubber pad is clamped on the outer peripheral surface of the positioning piece.

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

the invention uses a single rubber cushion for sealing connection, and can improve the smoothness of the insertion process of the corrugated pipe and the firmness after the connection is finished. When using, insert the sleeve with the bellows from the sleeve tip, evagination ring portion is outside protruding, when burying the pipeline underground, evagination ring portion has improved the area of contact with soil, the bearing capacity to soil has been improved, effectively improved structural strength, make the difficult emergence behind the connection bellows warp, and make things convenient for the bellows to insert, spacing knot portion can not cause great resistance to the inserting process of bellows, make the inserting process of bellows more smooth and easy, when the bellows inserted the position with the cushion butt, spacing knot portion can the chucking on the bellows, firm nature after the connection bellows is effectively guaranteed.

Drawings

FIG. 1 is a schematic structural view of a bellows according to 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 an enlarged view of the structure at B in FIG. 2;

FIGS. 5, 6 and 7 are sectional views of coupling structures of different types of sleeves, rubber pads and positioning members;

FIGS. 8 and 9 are sectional views showing different forms of coupling structures of the sleeve and the rubber pad;

FIG. 10 is a partial cross-sectional view of another alternative arrangement of the cushion and positioning member shown in connection with one another.

Reference numerals: 100. a bellows; 11. a sleeve a; 110. an outer convex ring part a; 111. an opening a; 112. a straight plate portion; 12. a sleeve b; 120. a convex ring part b; 121. an opening b; 122. a bent plate portion; 13. a sleeve c; 130. a convex ring part c; 131. an inner flap portion; 132. a notch a; 14. a sleeve d; 140. an outer convex ring part d; 141. an outer flap portion; 142. a notch b; 15. a sleeve e; 151. an inner trap portion; 16. a sleeve f; 161. an outwardly extending ring portion; 21. a rubber pad a; 22. a rubber pad b; 23. a rubber pad c; 24. a rubber pad d; 31. a positioning piece a; 32. and a positioning part b.

Detailed Description

Example one

As shown in fig. 1-3, the present invention provides a diameter-variable sealing rubber gasket water-sealing sleeve connection structure, which includes a sleeve a11 and a rubber gasket. The sleeve a11 is a rotary structure, two ends of the sleeve a11 are symmetrically provided with two outward convex ring parts a110 which protrude outwards, the outward convex ring parts a110 are uniformly provided with a plurality of openings a111, the outward convex ring parts a110 are uniformly provided with a plurality of straight plate parts 112, the straight plate parts 112 are correspondingly connected to the openings a111, and the straight plate parts 112 gradually incline towards the inner side of the sleeve a11 along the direction from one end connected with the openings a111 to the other end; the rubber mat is of a circular ring structure and is coaxially arranged on the inner wall of the sleeve a 11.

In the present embodiment, a single rubber gasket is used for sealing connection, and the smoothness of the insertion process of the corrugated pipe 100 and the firmness after connection are improved. When the corrugated pipe 100 is used, the corrugated pipe 100 is inserted into the sleeve a11 from the end part of the sleeve a11, the outer convex ring part a110 protrudes outwards, when a pipeline is buried underground, the outer convex ring part a110 improves the contact area with soil, the bearing capacity on the soil is improved, the structural strength is effectively improved, the whole structure behind the corrugated pipe 100 is not easy to deform, the corrugated pipe 100 is convenient to insert, the straight plate part 112 inclines towards the inner side of the sleeve a11, the corrugated pipe 100 can push the straight plate part 112 away, large resistance cannot be caused by the straight plate part 112, the inserting process of the corrugated pipe 100 is smoother, when the corrugated pipe 100 is inserted into the position abutted to a rubber mat, the straight plate part 112 can be clamped on the corrugated pipe 100, and the firmness after the corrugated pipe 100 is connected is effectively guaranteed. The ends of the two bellows 100 preferably abut to provide a certain positioning effect. Bellows 100 is including a plurality of crests that set up side by side, and a part crest is the rectangle, and smooth transition in another part crest outer end, and when connecting bellows 100, the chucking effect of straight plate portion 112 chucking to rectangle crest department is better.

Example two

As shown in fig. 5, the diameter-variable sealing rubber gasket water-sealing sleeve connection structure provided by the invention comprises a sleeve b12 and a rubber gasket. The sleeve b12 is a rotary structure, two ends of the sleeve b12 are symmetrically provided with two outward convex ring parts b120 which protrude outwards, a plurality of openings b121 are uniformly arranged on the outward convex ring parts b120, a plurality of bent plate parts 122 are uniformly arranged at the outward convex ring parts b120, the bent plate parts 122 are correspondingly connected at the openings b121, and the bent plate parts 122 are gradually bent towards the inner side of the sleeve b12 along the direction from one end connected with the openings b121 to the other end; the rubber mat is of a circular ring structure and is coaxially arranged on the inner wall of the sleeve b 12. In contrast to the first embodiment, in the present embodiment, the bent plate portion 122 is clamped on the wave crest of the corrugated pipe 100, so as to limit the corrugated pipe 100 after being connected in another form.

EXAMPLE III

As shown in fig. 6, the connection structure of the variable diameter type sealing rubber gasket water-blocking sleeve provided by the invention comprises a sleeve c13 and a rubber gasket. The sleeve c13 is a rotary structure, two ends of the sleeve c13 are symmetrically provided with two outward convex ring parts c130 which protrude outwards, the outer end of the outward convex ring part c130 is uniformly provided with a plurality of inner flap parts 131 and a plurality of gaps a132, the inner flap parts 131 gradually incline towards the inner side of the sleeve c13 along the direction far away from the outward convex ring part c130, the plurality of gaps a132 and the plurality of inner flap parts 131 are distributed in a staggered manner, and the gaps a132 facilitate the deformation of the inner flap parts 131; the rubber mat is of a circular ring structure and is coaxially arranged on the inner wall of the sleeve c 13. In contrast to the first and second embodiments, in the present embodiment, the inner flap portion 131 is used to clamp on the wave crest of the corrugated tube 100, so as to achieve the limit of the corrugated tube 100 after being connected in another form. When the bellows 100 is inserted into the sleeve c13, the bellows 100 pushes and deforms the inner flap 131, and after the bellows 100 moves to the target position, the inner flap 131 rebounds and is caught at the peak of the bellows 100. When it is necessary to detach the corrugated tube 100, the inner flap 131 is pushed inward, and then the corrugated tube 100 is pulled out from the sleeve c 13.

Example four

As shown in fig. 7, the connection structure of the variable diameter type sealing rubber gasket water-blocking sleeve provided by the invention comprises a sleeve d14 and a rubber gasket. The sleeve d14 is a rotary structure, two ends of the sleeve d14 are symmetrically provided with two outward convex ring portions d140 protruding outwards, the outer end of the outward convex ring portion d140 is uniformly provided with a plurality of outward folded plate portions 141 and a plurality of notches b142, the outward folded plate portions 141 are gradually inclined towards the outer side of the sleeve along the direction far away from the outward convex ring portion d140, the notches b142 and the outward folded plate portions 141 are distributed in a staggered manner, and the notches b142 facilitate the outward folded plate portions 141 to deform; the rubber mat is of a circular ring structure and is coaxially arranged on the inner wall of the sleeve d 14. Compared with the first embodiment, the second embodiment and the third embodiment, in the present embodiment, the wave crests of the corrugated pipe 100 are clamped by the outer folding plate 141, so that the corrugated pipe 100 is limited after being connected in another form. When the corrugated tube 100 is inserted into the sleeve d14, the outer flap 141 is first bent outward, the corrugated tube 100 is then inserted, and after the corrugated tube 100 is moved to the target position, the outer flap 141 is released, and the outer flap 141 is rebounded and clamped at the peak of the corrugated tube 100. When it is desired to disassemble the bellows 100, the bellows 100 is pulled directly out of the sleeve d 14.

EXAMPLE five

As shown in fig. 1-7 and 10, the difference between the present embodiment and the first, second, third and fourth embodiments is that a positioning member is disposed on an inner circumferential surface of the sleeve a11, the sleeve b12, the sleeve c13 or the sleeve d14, the positioning member may be block-shaped or circular, the positioning member includes a connecting portion connected to an inner wall of the sleeve and a limiting portion integrally connected to the connecting portion, and the rubber gasket is clamped on an outer circumferential surface of the positioning member. The rubber pad is rubber pad a21 or rubber pad d 24; when the positioning piece is the positioning piece a31, the rubber pad is the rubber pad a21, the cross-sectional profile of the limiting part is triangular, and the tip of the triangle faces the inner circumferential surface of the rubber pad a 21; when the positioning piece is the positioning piece b32, the rubber pad is the rubber pad d24, the cross-sectional profile of the limiting part is trapezoidal, the upper bottom of the trapezoid is connected with the connecting part, and the lower bottom of the trapezoid (the bottom side with longer length) faces the inner circumferential surface of the rubber pad d 24. To the setting element of multiform, all have the cushion that corresponds the structure to carry out nestification, spacing portion can effectively prevent that the cushion from droing to make the setting element effectively improve the positional stability of cushion installation, position accuracy when can improve the bellows 100 connection.

EXAMPLE six

As shown in fig. 8, the difference between the present embodiment and the first, second, third, fourth and fifth embodiments of the diameter-variable sealing rubber gasket water-sealing sleeve connection structure provided by the present invention includes a sleeve e15 and a rubber gasket b 22. The sleeve e15 is a rotary structure, the middle part of the outer peripheral surface of the sleeve e15 is an inward-recessed ring part 151, and the inward-recessed ring part 151 protrudes towards the inner side of the sleeve e 15. The rubber pad b22 is a circular ring structure, and the rubber pad b22 is embedded on the recessed ring part 151. The position stability after the rubber mat b22 can guarantee the installation can play sealed and certain positioning action to bellows 100, and the bearing capacity of whole structure after burying underground is also improved to protruding interior trapping part 151 in, difficult emergence deformation.

The sleeve e15 is provided with an outer convex ring portion a110, an opening a111 and a straight plate portion 112, or with an outer convex ring portion b120, an opening b121 and a bent plate portion 122, or with an outer convex ring portion c130, an inner folded plate portion 131 and a notch a132, or with an outer convex ring portion d140, an outer folded plate portion 141 and a notch b 142. Therefore, the inward recessed ring part 151 can be applied to sleeves with different outward protruding ring part types, and the structure is various.

EXAMPLE seven

As shown in fig. 9, the difference between the present embodiment and the first, second, third, fourth and fifth embodiments of the reducing type sealing rubber gasket water-blocking sleeve connection structure provided by the present invention is that the reducing type sealing rubber gasket water-blocking sleeve connection structure includes a sleeve f16 and a rubber gasket c 23. The sleeve f16 is a rotary structure, the middle part of the outer peripheral surface of the sleeve f16 is an outward extending ring part 161, the outward extending ring part 161 protrudes to the outer side of the sleeve f16, and a clamping groove is formed on the inner side of the sleeve f 16. The rubber pad c23 is a circular ring structure, and the rubber pad c23 is arranged at the clamping groove in a clamping and embedding manner. The rubber pad c23 can guarantee the position stability after the installation, can play sealed and certain positioning action to bellows 100, and the overhanging ring portion 161 of evagination has also improved the bearing capacity of whole structure after burying underground, is difficult for taking place deformation.

The sleeve f16 is provided with an outer convex ring portion a110, an opening a111 and a straight plate portion 112, or with an outer convex ring portion b120, an opening b121 and a bent plate portion 122, or with an outer convex ring portion c130, an inner folded plate portion 131 and a notch a132, or with an outer convex ring portion d140, an outer folded plate portion 141 and a notch b 142. Therefore, the outward extending ring 161 can be applied to sleeves with different outward extending ring types, and the structure is diversified.

Example eight

On the basis of the first to seventh embodiments, in this embodiment, a plurality of reinforcing ribs a are arranged on the outer circumferential surface of the various sleeve along the circumferential direction; a plurality of reinforcing ribs b are uniformly arranged on the outer peripheral surface of the sleeve between two adjacent reinforcing ribs a along the circumferential direction of the sleeve; the width value of the reinforcing rib a is larger than that of the reinforcing rib b, and the thickness value of the reinforcing rib a is larger than that of the reinforcing rib b; two adjacent reinforcing ribs b and the reinforcing ribs a are connected through a plurality of reinforcing ribs c; the reinforcing ribs c are connected with the outer peripheral surface of the sleeve, and each reinforcing rib c is in a strip shape, a net shape, a wavy line shape or the like. Through setting up strengthening rib a, strengthening rib b and strengthening rib c, can effectively improve overall connection structure's intensity, be difficult for taking place to warp behind the connecting corrugated pipe 100, promote bearing capacity, when burying underground, also be difficult for taking place to warp because of soil pressure.

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 sealed cushion of variable diameter closes water muffjoint structure which characterized in that includes:

the sleeve is of a rotary structure, two outward convex ring parts which are convex outwards are symmetrically arranged at two ends of the sleeve, and a plurality of limiting buckle parts are uniformly arranged at the outward convex ring parts;

the rubber mat is of a circular ring structure and is coaxially arranged on the inner wall of the sleeve.

2. The variable diameter type sealing rubber gasket water-stop sleeve connecting structure as claimed in claim 1, wherein the outer convex ring portion is uniformly provided with a plurality of openings, and the limit buckle portion is correspondingly connected to the openings.

3. The connection structure of the variable diameter type sealing rubber gasket water-stopping sleeve as claimed in claim 2, wherein the limit button portion is a straight plate portion (112), and the straight plate portion (112) is gradually inclined toward the inner side of the sleeve along a direction from one end connected with the opening to the other end.

4. The connection structure of the variable diameter type sealing rubber gasket water-stopping sleeve as claimed in claim 2, wherein the limiting buckle part is a bent plate part (122), and the bent plate part (122) is gradually bent towards the inner side of the sleeve along the direction from one end connected with the opening to the other end.

5. The variable diameter type sealing rubber gasket water-closing sleeve connecting structure as claimed in claim 1, wherein the outer end of the outer convex ring portion is uniformly provided with a plurality of notches, and the plurality of notches and the plurality of limit buckle portions are distributed in a staggered manner.

6. The connection structure of the variable diameter type sealing rubber gasket water-stopping sleeve as claimed in claim 5, wherein the limiting buckle part is an inner folded plate part (131), and the inner folded plate part (131) is gradually inclined towards the inner side of the sleeve along the direction away from the outer convex ring part.

7. The connection structure of the variable diameter type sealing rubber gasket water-stopping sleeve as claimed in claim 5, wherein the limiting buckle part is an outer folding plate part (141), and the outer folding plate part (141) is gradually inclined towards the outside of the sleeve along the direction away from the outer convex ring part.

8. The connecting structure of the variable diameter type sealing rubber gasket water-stopping sleeve as claimed in claim 1, wherein the middle part of the outer circumferential surface of the sleeve is an inward-recessed ring part (151), and the inward-recessed ring part (151) protrudes towards the inner side of the sleeve; the rubber pad is embedded and sleeved on the inward-recessed ring part (151).

9. The connecting structure of the diameter-variable sealing rubber gasket water-stopping sleeve as claimed in claim 1, wherein an extended ring portion (161) is formed in the middle of the outer circumferential surface of the sleeve, the extended ring portion (161) protrudes outward from the sleeve and forms a slot in the inner side of the sleeve, and the rubber gasket is embedded in the slot.

10. The connection structure of the variable diameter type sealing rubber gasket water-closing sleeve as claimed in claim 1, wherein the inner circumferential surface of the sleeve is provided with a positioning member, the positioning member comprises a connecting portion connected with the inner wall of the sleeve and a limiting portion integrally connected with the connecting portion, and the rubber gasket is clamped on the outer circumferential surface of the positioning member.