CN215445501U - Double-wall corrugated pipe orifice connecting structure and pipe with same - Google Patents

Abstract

The utility model relates to a double-wall corrugated pipe orifice connecting structure which comprises a tubular connecting piece sleeved with two double-wall corrugated pipe orifices, wherein at least one back-off anti-disengaging structure is arranged on the inner side of the tubular connecting piece, and the back-off anti-disengaging structure is clamped with a wave trough on one side wall of a double-wall corrugated pipe. According to the technical scheme, the back-off anti-disengaging structure is clamped in the wave trough of the double-wall corrugated pipe, so that the double-wall corrugated pipe clamped with the back-off anti-disengaging structure can be prevented from moving back and forth, and further the situation that the joint at the joint of the double-wall corrugated pipe is loosened to cause permeation is avoided.

Description

Double-wall corrugated pipe orifice connecting structure and pipe with same

Technical Field

The utility model relates to the technical field of double-wall corrugated pipes, in particular to a pipe orifice connecting structure of a double-wall corrugated pipe and a pipe with the pipe orifice connecting structure.

Background

When the pipe orifice of the double-wall corrugated pipe is connected in the industry, a bellmouth structure is arranged on the pipe orifice at one end of the double-wall corrugated pipe, the pipe orifices of the two double-wall corrugated pipes are connected through the bellmouth structure, and the double-wall corrugated pipe falls off from the bellmouth structure due to the easy fluctuation of the pipe diameter of the double-wall corrugated pipe, so that the joint permeation phenomenon occurs. The Chinese patent application, publication number is: CN209115820U discloses a plastics double-walled bellows and double-walled bellows connecting device with flaring, and the double-walled bellows includes that double-walled bellows main part and an organic whole set up in the flaring of double-walled bellows main part one end, and double-walled bellows main part, flaring, double-walled bellows take over the body and all include inner wall and outer wall, and the outer wall of double-walled bellows main part, double-walled bellows take over the body all is equipped with crest and trough: the flaring includes changeover portion and grafting section, and the one end and the double-walled bellows main part of changeover portion are connected, and the other end and the grafting section of changeover portion are connected, and double-walled bellows bearing body is pegged graft with the grafting section, and the free end that the grafting section is close to the flaring is provided with eccentric section, and the pipe diameter of eccentric section equals the pipe diameter of grafting section, and eccentric section and grafting section rounding off are connected. Although the technical scheme can avoid the double-wall corrugated pipe from separating from the flaring to a certain extent through the arrangement of the inward convex part arranged on the eccentric section, when the pipe orifice joint is loosened so that the sealing ring is positioned on the outward convex part, the phenomenon of permeation of the joint is easy to occur.

SUMMERY OF THE UTILITY MODEL

The utility model provides a double-wall corrugated pipe orifice connecting structure for overcoming the defects that a joint is unstable and easy to permeate when the double-wall corrugated pipe orifices are connected in the prior art.

In order to solve the technical problems, the utility model adopts the technical scheme that: the double-wall corrugated pipe orifice connecting structure comprises a tubular connecting piece sleeved with two double-wall corrugated pipe orifices, wherein at least one reverse-buckling anti-disengaging structure is arranged on the inner side of the tubular connecting piece, and the reverse-buckling anti-disengaging structure is clamped with a wave trough on one of the double-wall corrugated pipe side walls.

It should be noted that, the back-off anti-disengaging structure has certain elasticity, and when the double-wall corrugated pipe is inserted to a certain depth of the tubular connecting piece, the corrugations on the periphery of the double-wall corrugated pipe jack up the back-off anti-disengaging structure, and the back-off anti-disengaging structure is clamped with the wave troughs on the double-wall corrugated pipe along with the penetration of the double-wall corrugated pipe. In this technical scheme, back-off anti-disengaging structure joint can prevent with the back-and-forth movement of the double-walled bellows of back-off anti-disengaging structure looks joint in the trough of double-walled bellows, has guaranteed the stability of connecting, and then has avoided double-walled bellows junction to take place owing to the condition that the joint is not hard up to arouse the infiltration.

Preferably, the tubulose connecting piece includes tubulose socket piece and tubulose socket piece, tubulose socket piece includes socket connecting portion and socket portion, socket connecting portion are provided with back-off anti-disengaging structure, socket portion plug-in to in the socket portion. In this technical scheme, set up two back-off anti-disengaging structure and respectively with the trough looks joint on two double-walled bellows lateral walls, can prevent to install two double-walled bellows back-and-forth movements in socket spare and socket spare, and then avoid the junction to take place by the condition that the joint is not hard up to arouse the infiltration.

Preferably, the tubular socket piece is provided with a first sealing ring at the joint with the tubular socket piece, and the tubular socket piece are respectively provided with a second sealing ring at the joint with the double-wall corrugated pipe. In this technical scheme, the leakproofness of junction has been strengthened in setting up of first sealing washer and second sealing washer, and further avoid the joint department to take place the infiltration phenomenon.

Preferably, a plurality of first reinforcing ribs are axially arranged on the outer peripheral surface of the tubular socket piece, a first groove is formed between every two adjacent first reinforcing ribs, and the first sealing ring is arranged in the first groove. In this technical scheme, the setting of first strengthening rib can increase the intensity of tubulose socket spare, avoids the mouth of pipe to take place to warp because of receiving external force.

Preferably, a first limiting part which is abutted with the pipe orifice of the double-wall corrugated pipe connected with the tubular mouthpiece is arranged on the inner side of the tubular mouthpiece. It should be noted that, when the double-wall corrugated pipe is inserted into the tubular socket member to the joint, the first position-limiting portion is located at the trough of the pipe orifice on the side wall of the double-wall corrugated pipe, one side of the first position-limiting portion abuts against the corrugations on the side wall of the double-wall corrugated pipe, and the other side abuts against the socket structure. In this technical scheme, the setting of first spacing portion can prevent that tubular socket spare from to the damage of double-walled bellows when inserting tubular socket spare.

Preferably, the inner side of the tubular socket piece is provided with a second limiting part which is abutted with the pipe orifice of the double-wall corrugated pipe connected with the tubular socket piece. It should be noted that, when the double-wall corrugated pipe is inserted into the tubular socket member to the joint, the second limiting portion is located at the trough of the pipe orifice on the side wall of the double-wall corrugated pipe, one side of the second limiting portion abuts against the corrugations on the side wall of the double-wall corrugated pipe, and the other side of the second limiting portion is attached to the socket structure. In this technical scheme, the setting of spacing portion of second prevents further that tubular socket spare from to the damage of double-walled bellows when inserting tubular socket spare.

Preferably, a plurality of second reinforcing ribs are axially arranged on the outer peripheral surface of the tubular mouthpiece. In this technical scheme, the setting of second strengthening rib can increase the intensity of tubulose socket spare, further avoids mouth of pipe tubulose connecting piece to take place to warp because of receiving external force.

Preferably, the socket connecting part and the socket part are integrally formed, and the socket connecting part and the socket part are integrally formed.

The utility model also provides a pipe, which comprises a first double-wall corrugated pipe, a second double-wall corrugated pipe and the connecting structure, wherein the connecting structure is sleeved on the first double-wall corrugated pipe and the second double-wall corrugated pipe; the wave crests of the first double-wall corrugated pipe and the second double-wall corrugated pipe, which are connected with the connecting structure, are first wave crests, the wave crests of the first double-wall corrugated pipe and the second double-wall corrugated pipe, which are far away from the connecting structure, are second wave crests, and the height of the first wave crests is lower than that of the second wave crests.

Preferably, a transition peak is arranged between the first peak and the second peak, and the height of the transition peak is between the heights of the first peak and the second peak; the inverted anti-falling structure is clamped in the trough between the second wave crest and the transition wave crest. In this technical scheme, the setting of transition crest can avoid the first crest contact of tubulose connecting piece and mouth of pipe department, can avoid external factor to lead to the fact the deformation to the mouth of pipe through extrusion tubulose connecting piece like this, and then further avoids mouth of pipe department to take place to warp because of receiving external force.

Compared with the prior art, the utility model has the beneficial effects that:

in the utility model, the back-off anti-disengaging structure has certain elasticity, when the double-wall corrugated pipe is inserted into the tubular connecting piece to a certain depth, the corrugations on the periphery of the double-wall corrugated pipe jack up the back-off anti-disengaging structure, and the back-off anti-disengaging structure is clamped with the wave troughs on the double-wall corrugated pipe along with the penetration of the double-wall corrugated pipe. In this technical scheme, back-off anti-disengaging structure joint can prevent the double-walled bellows back-and-forth movement with back-off anti-disengaging structure looks joint in the trough of double-walled bellows, and then has avoided the double-walled bellows junction to take place by the condition that the joint is not hard up to cause the infiltration.

Drawings

FIG. 1 is a schematic view showing the connection relationship between a tubular connector and a nozzle in example 1 of a double-wall corrugated pipe nozzle connection structure according to the present invention;

FIG. 2 is a schematic sectional view showing the connection relationship between a tubular socket member and a tubular socket member in example 1 of the double-walled bellows nozzle connection structure of the present invention;

FIG. 3 is a schematic view showing the connection relationship between the tubular connector and the nozzle in example 2 of the double-wall corrugated pipe nozzle connecting structure according to the present invention;

FIG. 4 is a schematic view of the structure of a tubular connection member in example 2 of the double-wall corrugated pipe orifice connecting structure of the present invention;

FIG. 5 is an enlarged view of a portion A of FIG. 1;

FIG. 6 is an enlarged view of a portion of FIG. 3 at B;

FIG. 7 is a schematic view of the structure of a pipe in example 3 of the present invention;

fig. 8 is a partial enlarged view of fig. 7 at C.

In the drawings: the pipe comprises a pipe orifice 1, an inverted buckle anti-falling structure 3, a wave trough 4, a tubular socket piece 5, a tubular socket piece 6, a first sealing ring 7, a second sealing ring 8, a first reinforcing rib 11, a first groove 12, a first limiting part 13, a second limiting part 14, a second reinforcing rib 15, a socket connecting part 16, a socket part 17, a socket connecting part 18, a socket part 19, a first double-wall corrugated pipe 21, a second double-wall corrugated pipe 22, a first wave crest 23, a second wave crest 24, a third reinforcing rib 25 and a transition wave crest 31.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "long", "short", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is only for convenience of description and simplicity of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

The technical scheme of the utility model is further described in detail by the following specific embodiments in combination with the attached drawings:

example 1

As shown in fig. 1, a double-wall corrugated pipe orifice connecting structure comprises a tubular connecting piece sleeved with two double-wall corrugated pipe orifices 1, wherein at least one back-off anti-disengaging structure 3 is arranged on the inner side of the tubular connecting piece, and the back-off anti-disengaging structure 3 is clamped with a wave trough 4 on one of the double-wall corrugated pipe side walls. It should be noted that, the back-off anti-disengaging structure 3 has a certain elasticity, and when the double-wall corrugated pipe is inserted to a certain depth of the tubular connecting piece, the corrugations on the periphery of the double-wall corrugated pipe jack up the back-off anti-disengaging structure 3, and along with the penetration of the double-wall corrugated pipe, the back-off anti-disengaging structure 3 is clamped with the wave trough 4 on the double-wall corrugated pipe. In this embodiment, the back-off anti-falling structure is clamped in the wave trough 4 of the double-wall corrugated pipe, so that the double-wall corrugated pipe clamped with the back-off anti-falling structure 3 can be prevented from moving back and forth, and the situation that the joint of the double-wall corrugated pipe is loosened to cause permeation is avoided.

Wherein, the tubulose connecting piece includes tubulose socket part 5 and tubulose socket part 6, and tubulose socket part 5 includes socket connecting portion 16 and socket portion 17, and socket connecting portion 16 is provided with back-off anti-disengaging structure 3, and tubulose socket part 6 includes socket connecting portion 18 and socket portion 19, and socket connecting portion 18 is provided with back-off anti-disengaging structure 3, and socket portion 19 is pegged graft to socket portion 17 in. In this embodiment, set up two back-off anti-disengaging structure 3 respectively with trough 4 looks joint on two double-walled bellows lateral walls, can prevent to install two double-walled bellows back-and-forth movements in tubulose socket 5 and tubulose socket 6, and then avoid the junction to take place by the condition that the joint is not hard up to arouse the infiltration.

Further, the tubular socket 6 is provided with a first seal ring 7 at the junction with the tubular socket 5, and the tubular socket 6 and the tubular socket 5 are provided with a second seal ring 8 at the junctions with the double-walled bellows, respectively. In this embodiment, the first seal ring 7 and the second seal ring 8 are provided to enhance the sealing performance at the joint, thereby further preventing the permeation phenomenon at the joint.

Wherein, be provided with a plurality of first strengthening rib 11 along the axial on the outer peripheral face of tubulose socket piece 6, constitute first recess 12 between two adjacent first strengthening rib 11, first sealing washer 7 is installed in first recess 12. In this embodiment, the first ribs 11 are arranged to increase the strength of the tubular socket member 6 and prevent the nozzle 1 from being deformed by external force.

In addition, the inner side of the tubular socket piece 5 is provided with a first limiting part 13 which is abutted with the pipe orifice 1 of the double-wall corrugated pipe connected with the tubular socket piece. It should be noted that, when the double-wall corrugated pipe is inserted into the tubular socket 5 to the joint, the first position-limiting part 13 is located at the trough 4 of the pipe orifice 1 on the side wall of the double-wall corrugated pipe, one side of the first position-limiting part 13 abuts against the corrugations on the side wall of the double-wall corrugated pipe, and the other side abuts against the socket structure. In this embodiment, the provision of the first stopper portion 13 can prevent the tubular socket member 6 from damaging the double-walled bellows when inserted into the tubular socket member 5.

Wherein, the inner side of the tubular socket piece 6 is provided with a second limit part 14 which is abutted with the pipe orifice 1 of the double-wall corrugated pipe connected with the tubular socket piece. It should be noted that, when the double-wall corrugated pipe is inserted into the tubular socket member 6 to the joint, the second position-limiting portion 14 is located at the trough 4 of the pipe orifice 1 on the side wall of the double-wall corrugated pipe, one side of the second position-limiting portion 14 abuts against the corrugations on the side wall of the double-wall corrugated pipe, and the other side of the second position-limiting portion abuts against the socket structure. In this embodiment, the provision of the second stopper portion 14 further prevents damage to the double-walled bellows when the tubular socket 6 is inserted into the tubular socket 5.

Further, a plurality of second reinforcing ribs 15 are provided on the outer peripheral surface of the tubular socket 5 in the axial direction. In this embodiment, the second ribs 15 can increase the strength of the tubular socket 5, and further prevent the tubular connector of the nozzle 1 from being deformed by external force.

Wherein, bellmouth connecting part and bellmouth portion integrated into one piece, socket connecting part and socket portion integrated into one piece.

The socket connecting portion 16, the socket portion 17, and the socket connecting portion 18 are located on the same circumferential surface. In the embodiment, the outer sides of the socket connecting part 16, the socket part 17 and the socket connecting part 18 are set to be equal in circumferential diameter, so that the stress at the connecting part of the pipe orifice 1 is ensured to be uniform, and the deformation of the tubular connecting piece due to uneven stress is further prevented; at the same time the inner diameter of the tubular socket member 6 is equal to the inner diameter of the double-walled bellows, which facilitates the circulation of the liquid in the tube at the tubular connection.

The working principle is as follows:

in this embodiment, it should be noted that the back-off anti-disengaging structure 3 has a certain elasticity, and when the double-wall corrugated pipe is inserted to a certain depth of the tubular connecting member, the corrugations on the periphery of the double-wall corrugated pipe jack up the back-off anti-disengaging structure 3, and the back-off anti-disengaging structure 3 is clamped with the wave troughs 4 on the double-wall corrugated pipe along with the penetration of the double-wall corrugated pipe. In this technical scheme, back-off anti-disengaging structure joint can prevent the double-walled bellows back-and-forth movement with 3 looks joints of back-off anti-disengaging structure in the trough 4 of double-walled bellows, and then has avoided the double-walled bellows junction to take place by the condition that the joint is not hard up to cause the infiltration.

Example 2

As shown in fig. 2, the difference from embodiment 1 lies in that the tubular connecting member is integrally formed, two ends of the tubular connecting member are respectively installed on the pipe orifices 1 of the two double-wall corrugated pipes, the pipe orifices 1 of the two double-wall corrugated pipes are abutted, the plurality of back-off anti-falling structures 3 are located on the inner surface of the tubular connecting member, and the back-off anti-falling structures 3 are clamped with the wave troughs 4 on the double-wall corrugated pipes. In this embodiment, a plurality of back-off anti-disengaging structure 3 can avoid the mouth of pipe 1 of joint department to break away from with the butt of second ripple respectively, is provided with the third sealing washer (not shown in the figure) simultaneously between second ripple and the tubulose connecting piece, and the infiltration phenomenon appears in the department of avoiding connecting that like this can be further.

Wherein, the two ends of the tubular connecting piece are respectively butted with the first corrugations on the two double-wall corrugated pipes.

In addition, a third rib 25 is provided on the outer circumferential surface of the tubular coupler.

The working principle is as follows:

in this embodiment, the back-off anti-disengaging structure 3 has a certain elasticity, and when the double-wall corrugated pipe is inserted to a certain depth of the tubular connecting piece, the corrugations on the periphery of the double-wall corrugated pipe jack up the back-off anti-disengaging structure 3, and the back-off anti-disengaging structure 3 is clamped with the wave troughs 4 on the double-wall corrugated pipe along with the penetration of the double-wall corrugated pipe. In this technical scheme, back-off anti-disengaging structure joint can prevent the double-walled bellows back-and-forth movement with 3 looks joints of back-off anti-disengaging structure in the trough 4 of double-walled bellows, and then has avoided the double-walled bellows junction to take place by the condition that the joint is not hard up to cause the infiltration.

Example 3

As shown in fig. 7 and 8, the present invention further provides a tubing, which includes a first double-walled bellows 21, a second double-walled bellows 22, and the connecting structure, wherein the connecting structure is sleeved on the first double-walled bellows 21 and the second double-walled bellows 22; the wave crests of the connection parts of the first double-wall corrugated pipe 21 and the second double-wall corrugated pipe 22 and the connection structure are first wave crests 23, the wave crests of the first double-wall corrugated pipe 21 and the second double-wall corrugated pipe 22 far away from the connection structure are second wave crests 24, and the height of the first wave crests 23 is lower than that of the second wave crests 24. In the present embodiment, the first and second peaks 23 and 24 having different heights are provided such that the end of the tubular connection member abuts against the second peak 24, which further prevents the first and second double- walled bellows 21 and 22 from being separated.

A transition peak 31 is arranged between the first peak 23 and the second peak 24, and the height of the transition peak 31 is between the heights of the first peak 23 and the second peak 24; the back-off anti-falling structure 3 is clamped in the wave trough 4 between the second wave crest 24 and the transition wave crest 31. In this technical scheme, the setting of transition crest 31 can avoid the contact of first crest 23 of tubulose connecting piece and mouth of pipe 1 department, can avoid external factor to further lead to the fact the deformation to mouth of pipe 1 through the extrusion to tubulose connecting piece like this, and then further avoid mouth of pipe 1 department to take place to warp because of receiving external force.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A double-wall corrugated pipe orifice connecting structure is characterized in that: the pipe joint comprises a tubular connecting piece which is used for being sleeved with two pipe orifices (1) of the double-wall corrugated pipe, wherein at least one back-off anti-disengaging structure (3) is arranged on the inner side of the tubular connecting piece, and the back-off anti-disengaging structure (3) is used for being clamped with one of the wave troughs (4) on the side wall of the double-wall corrugated pipe.

2. A double-walled bellows nozzle connection according to claim 1, wherein: the tubulose connecting piece includes tubulose socket spare (5) and tubulose socket spare (6), tubulose socket spare includes bellmouth connecting portion (16) and bellmouth portion (17), bellmouth connecting portion (16) are provided with back-off anti-disengaging structure (3), tubulose socket spare includes socket connecting portion (18) and socket portion (19), socket connecting portion (18) are provided with back-off anti-disengaging structure (3), socket portion (19) peg graft extremely in bellmouth portion (17).

3. A double-walled bellows nozzle connection according to claim 2, wherein: the connection part of the tubular socket piece (6) and the tubular socket piece (5) is provided with a first sealing ring (7), and the connection parts of the tubular socket piece (6) and the tubular socket piece (5) and the double-wall corrugated pipe are respectively provided with a second sealing ring (8).

4. A double-walled bellows nozzle connection according to claim 3, wherein: a plurality of first reinforcing ribs (11) are axially arranged on the outer peripheral surface of the tubular socket piece (6), a first groove (12) is formed between every two adjacent first reinforcing ribs (11), and the first sealing ring (7) is arranged in the first groove (12).

5. A double-walled bellows nozzle connection according to claim 2, wherein: the inner side of the tubular socket piece (5) is provided with a first limiting part (13) which is abutted with the pipe orifice (1) of the double-wall corrugated pipe connected with the tubular socket piece.

6. The double-walled bellows nozzle connection structure according to claim 5, wherein: and a second limiting part (14) which is abutted with the pipe orifice (1) of the double-wall corrugated pipe connected with the tubular socket piece (6) is arranged on the inner side of the tubular socket piece.

7. A double-walled bellows nozzle connection according to claim 2, wherein: and a plurality of second reinforcing ribs (15) are axially arranged on the outer peripheral surface of the tubular socket piece (5).

8. A double-walled bellows nozzle connection according to claim 2, wherein: the socket connecting part (16) and the socket part (17) are integrally formed, and the socket connecting part (18) and the socket part (19) are integrally formed.

9. A pipe, characterized in that: comprising a first double-wall corrugated pipe (21), a second double-wall corrugated pipe (22) and the connecting structure of any one of claims 1 to 8, wherein the connecting structure is sleeved on the first double-wall corrugated pipe (21) and the second double-wall corrugated pipe (22); the wave crests of the first double-wall corrugated pipe (21) and the second double-wall corrugated pipe (22) connected with the connecting structure are first wave crests (23), the wave crests of the first double-wall corrugated pipe (21) and the second double-wall corrugated pipe (22) far away from the connecting structure are second wave crests (24), and the height of the first wave crests (23) is lower than that of the second wave crests (24).

10. A pipe according to claim 9, wherein: a transition peak (31) is arranged between the first peak (23) and the second peak (24), and the height of the transition peak (31) is between the heights of the first peak (23) and the second peak (24); the inverted buckle anti-falling structure (3) is clamped in a wave trough between the second wave crest (24) and the transition wave crest (31).

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