CN212863782U

CN212863782U - HDPE corrugated pipe

Info

Publication number: CN212863782U
Application number: CN202021851240.XU
Authority: CN
Inventors: 李永明
Original assignee: Zhejiang Quanqiu Pipe Industry Co ltd
Current assignee: Zhejiang Quanqiu Pipe Industry Co ltd
Priority date: 2020-08-29
Filing date: 2020-08-29
Publication date: 2021-04-02
Anticipated expiration: 2030-08-29

Abstract

The utility model relates to a HDPE bellows belongs to the technical field of bellows, and it includes the bellows body, still be provided with hoist device on the bellows body, hoist device is including cup jointing and installing collar on the bellows body, be provided with hoisting ring on the collar, hoisting ring includes the base, the base with the collar links to each other, install first semi-ring on the base, then rotate on the first semi-ring and install the second semi-ring, still install on the base be used for with the retaining member of second semi-ring locking. The utility model discloses have the effect of being convenient for hoist and mount.

Description

HDPE corrugated pipe

Technical Field

The utility model belongs to the technical field of the technique of bellows and specifically relates to a HDPE bellows is related to.

Background

The HDPE double-wall corrugated pipe is widely applied to construction of drainage, pollution discharge and exhaust facilities, generally needs to have the advantages of difficult damage, easy butt joint, corrosion resistance, good pressure bearing and external impact resistance according to the use environment requirement, so that the HDPE double-wall corrugated pipe is required to have good quality and enough structural strength to ensure the ring rigidity and ring flexibility, and the double-wall corrugated pipe with the performance is particularly required for projects with large construction difficulty, short construction period and complex terrain.

For example, chinese patent No. CN206112314U discloses a HDPE double-wall corrugated pipe, which includes a HDPE double-wall corrugated pipe body, wherein the HDPE double-wall corrugated pipe includes an outer wall and an inner wall, the outer wall includes an outer wall peak and an outer wall valley, the inner wall includes an inner wall peak and an inner wall base surface, and the inner wall peak faces the outer wall valley and is spaced apart from the outer wall valley.

The above prior art solutions have the following drawbacks: in the actual use process, the multi-section corrugated pipes need to be connected, and when the corrugated pipes are connected, the corrugated pipes are often required to be lifted and installed after the positions of the corrugated pipes are adjusted. When the corrugated pipe is hoisted, the corrugated pipe in the technical scheme is not provided with any structure convenient for hoisting, so that the hoisting mode is that the rope of the hoisting equipment is firstly wound around the corrugated pipe for a circle, and then the hoisting hook on the rope is buckled on the rope, so that the corrugated pipe can be hoisted. When the rope winds the corrugated pipe for a circle, the corrugated pipe is often required to be lifted up firstly, a gap for the hook to penetrate through exists between the corrugated pipe and the ground, the corrugated pipe is put down after the hook penetrates through the bottom of the corrugated pipe, and the whole hoisting process is very complicated. Therefore, there is a need for a corrugated pipe that is easy to hoist.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a HDPE bellows, it has the effect of being convenient for hoist and mount.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a HDPE bellows, includes the bellows body, still be provided with hoist device on the bellows body, hoist device is including cup jointing the installation ring on the bellows body, be provided with the hoist and mount ring on the installation ring, the hoist and mount ring includes the base, the base with the installation ring links to each other, install first semi-ring on the base, then rotate on the first semi-ring and install the second semi-ring, still install on the base be used for with the retaining member of second semi-ring locking.

Through adopting above-mentioned technical scheme, when the hoist and mount of travelling corrugated pipe, if the lifting hook on the lifting device is open lifting hook, directly put into the intra-annular that first semi-ring and second semi-ring enclose with the lifting hook this moment, can carry out the hoist and mount of bellows, the retaining member can reduce the possibility that the rotation of second semi-ring was opened this moment. And if the lifting hook on the hoisting equipment is the annular lifting hook, the locking of the second semi-ring only needs to be released through the locking part at the moment, then the second semi-ring passes through the lifting hook, and then the second semi-ring is locked on the base to hoist the corrugated pipe. The corrugated pipe does not need to be lifted in the hoisting process of the corrugated pipe, and the rope does not need to be wound around the corrugated pipe for one circle, so that the convenience in hoisting the corrugated pipe is greatly improved.

The present invention may be further configured in a preferred embodiment as: offer on the base and hold the chamber, the confession has still been seted up on the base the through-hole that the second semi-ring passed, the through-hole with hold the chamber and be linked together, it installs to hold the intracavity the retaining member, the retaining member includes fixed mounting and is in hold the bull stick of intracavity, it installs the check lock lever to rotate on the bull stick, be provided with first skewed tooth on the check lock lever, then be provided with on the second semi-ring with the second skewed tooth of first skewed tooth meshing, it still is provided with the impeller that is used for promoting to hold the intracavity the check lock lever.

Through adopting above-mentioned technical scheme, when needs lock the second semi-ring to the base, rotate the second semi-ring, make the second semi-ring pass the through-hole and stretch into and hold the intracavity. When the second half ring extends into the accommodating cavity, the second helical teeth push the first helical teeth to enable the locking rod to rotate by taking the rotating rod as a rotating shaft, and after the second half ring rotates to a preset position, the pushing piece pushes the locking rod, so that the second half ring is limited in the accommodating cavity through meshing of the first helical teeth and the second helical teeth, and the second half ring is in locking connection with the base.

The present invention may be further configured in a preferred embodiment as: the pushing piece comprises a first elastic piece, the first elastic piece is fixedly installed on the bottom wall of the containing cavity, one end of the first elastic piece is connected with a bent second elastic piece, one end, far away from the first elastic piece, of the second elastic piece is connected with a third elastic piece, the third elastic piece is abutted against the locking rod, and a limiting piece used for limiting the maximum rotation angle of the locking rod is further arranged in the containing cavity.

By adopting the technical scheme, the pushing piece pushes the locking rod to rotate along the rotating rod through the elasticity of the first elastic sheet, the second elastic sheet and the third elastic sheet, so that the second helical teeth are meshed with the first helical teeth. When the second half ring is taken out from the accommodating cavity, the limiting piece can reduce the possibility that the locking rod rotates for an overlarge angle under the pushing of the pushing piece, so that the through hole is blocked.

The present invention may be further configured in a preferred embodiment as: the locating part includes the stopper, stopper fixed mounting is in the lock lever is kept away from the one end of bull stick, it keeps away from to hold the chamber then fixed mounting has one to block the piece on the lateral wall of bull stick one side, block the piece with the stopper supports tightly.

Through adopting above-mentioned technical scheme, the biggest turned angle of check block and stopper cooperation can inject the check lock lever to reduce the too big possibility that leads to the through-hole to block up of check lock lever turned angle.

The present invention may be further configured in a preferred embodiment as: still install on the base and be used for the release of retaining member, the release is including seting up waist type hole on the base, just waist type hole with it is linked together to hold the chamber, waist type downthehole slidable mounting has a release lever, just the width in waist type hole is greater than the diameter of release lever, the one end of release lever stretches into hold the intracavity and with the check lock lever links to each other, the other end of release lever then is connected with the release piece through the connecting piece, be provided with anti-skidding decorative pattern on the release piece.

Through adopting above-mentioned technical scheme, when the locking state of second semi-ring and base needs to be released, only need promote the release piece, the release piece can drive the release lever and slide along waist type hole, and the release lever then can drive the check lock lever and use the bull stick to rotate as the pivot to make second skewed tooth and first skewed tooth break away from the engaged state, can rotate the second semi-ring and deviate from the second semi-ring from accommodating the intracavity. And since the movement pattern of the lock lever is a rotation, the movement path of the release lever is an arc. Therefore, setting the radius of the kidney-shaped hole larger than the diameter of the release lever can reduce the possibility that the release lever is stuck in the kidney-shaped hole.

The present invention may be further configured in a preferred embodiment as: the connecting piece includes fixed mounting and is in the release lever is kept away from the connecting block of check lock lever one end, the release block is close to first spread groove has been seted up on the lateral wall of release lever one side, first spread groove with release lever sliding fit, just the diameter of first spread groove is greater than the diameter of release lever, still seted up in the release block and be used for holding the second spread groove of connecting block.

Through adopting above-mentioned technical scheme, the movement path of release lever is the arc, and release lever self also can take place to rotate, and the promotion process of release block can not take place to rotate, so, has relative rotation between release lever and the release block. And the connecting piece makes the release lever and the release block rotate relatively through the rotating fit of the first connecting groove and the release lever, and the connecting block sinks into the second connecting groove, so that the possibility that the release lever and the release block are disconnected is reduced. And the diameter of the first connecting groove is set to be larger than that of the release rod, so that the possibility of jamming of the release rod in the rotating process can be reduced.

The present invention may be further configured in a preferred embodiment as: still fixed mounting has the installation piece on the collar, set up on the installation piece with base joint complex spread groove, still install on the installation piece and dismantle the connecting piece.

Through adopting above-mentioned technical scheme, will install the piece and carry out detachable with the hoist and mount ring through dismantling the connecting piece and be connected, so, after bellows hoist and mount are accomplished, can follow the bellows and take off to on installing next bellows through dismantling the connecting piece, can carry out the hoist and mount of next bellows, improved the convenience of hoist and mount bellows greatly.

The present invention may be further configured in a preferred embodiment as: a recess has all been seted up on two lateral walls that the spread groove is close to the collar, install in the recess can dismantle the connecting piece, can dismantle the connecting piece includes slidable mounting and is in the piece can be dismantled in the recess, two can dismantle the equal fixed mounting of one end that the piece is close to each other has a wedge, and then seted up on the base with wedge joint complex wedge, two can dismantle the one end that the piece was kept away from each other then equal fixed mounting has a slide bar, sliding sleeve installs on the slide bar and promotes the spring, promote the spring both ends respectively with can dismantle the piece with the lateral wall of recess links to each other, two the one end that the slide bar was kept away from each other then all runs through the installation piece, and outside the installation piece fixed mounting has handheld piece on the slide bar.

Through adopting above-mentioned technical scheme, when carrying out the installation of hoisting ring, only need with in the base card goes into the spread groove, the base can promote two wedge pieces at first to make two can dismantle the piece and slide and keep away from each other along the recess. After the base pushes a preset position, the push spring pushes the two detachable blocks to slide along the groove and approach each other, so that the wedge-shaped block is clamped in the wedge-shaped groove to complete the installation of the base and the installation block. And when the hoisting ring needs to be taken down, only two handheld blocks need to be pulled, so that the two detachable blocks are pulled through the sliding rod to slide along the groove and be away from each other, the wedge-shaped block and the wedge-shaped groove are separated from a clamping state, and the base is pulled again to take down the hoisting ring.

To sum up, the utility model discloses a following at least one useful technological effect:

1. by arranging the hoisting device, the hoisting equipment can be directly connected with the corrugated pipe to hoist the corrugated pipe without operations of winding a rope, lifting the corrugated pipe and the like, so that the hoisting convenience of the corrugated pipe is greatly improved;

2. by arranging the locking device, one end of the second half ring, which is far away from the first half ring, can be locked with the base, so that the first half ring and the second half ring form a ring convenient to hoist, and the application range of the hoisting device is improved;

3. by arranging the release piece and the connecting piece, the locking state of the second semi-ring and the base can be released only by pushing the release block, and the possibility of clamping of the release rod in the process is reduced;

4. can dismantle the connecting piece through the setting, make hoist and mount ring and bellows be for dismantling and be connected, then after a bellows hoist and mount completion, only need take off the hoist and mount ring and install next bellows on, can carry out the hoist and mount of next bellows, further improved the hoist and mount convenience of bellows.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of the hoisting device of the present invention.

Fig. 3 is a cross-sectional view of the lifting device of the present invention.

Fig. 4 is a schematic view of the internal structure of the base of the present invention, for showing the structure inside the containing cavity.

Fig. 5 is a cross-sectional view of a release member and a connecting member of the present invention.

In the figure, 1, a corrugated pipe body; 2. hoisting the device; 21. a mounting ring; 22. mounting blocks; 23. hoisting a ring; 231. a base; 232. a groove; 233. a first half ring; 234. a second half ring; 24. connecting grooves; 3. a detachable connector; 31. a detachable block; 32. a wedge block; 33. a wedge-shaped groove; 34. a slide bar; 35. a hand-held block; 36. a push spring; 4. an accommodating chamber; 41. a through hole; 5. a locking member; 51. a rotating rod; 52. a locking lever; 53. a first helical tooth; 54. a second helical tooth; 6. a pusher member; 61. a first elastic sheet; 62. a second elastic sheet; 63. a third elastic sheet; 7. a limiting member; 71. a blocking block; 72. a limiting block; 8. a release member; 81. a kidney-shaped hole; 82. a release lever; 83. releasing the block; 84. anti-skid patterns; 9. a connecting member; 91. connecting blocks; 92. a first connecting groove; 93. a second connecting groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, for the utility model discloses a HDPE corrugated pipe, including corrugated pipe body 1, a hoist device 2 is installed respectively at corrugated pipe body 1's both ends. The hoisting device 2 comprises a mounting ring 21, the mounting ring 21 is fixedly sleeved on the corrugated pipe body 1, and the mounting ring 21 is located at the valley bottom of the surface corrugation of the corrugated pipe body 1.

As shown in fig. 2 and 3, a mounting block 22 is fixedly mounted on the mounting ring 21, a connecting groove 24 is formed in a side wall of the mounting block 22, which is away from the corrugated pipe body 1, and a hoisting ring 23 is mounted in the connecting groove 24.

Hoisting ring 23 includes base 231, and base 231 and the cooperation of connecting groove 24 joint, connecting groove 24 have all been seted up a recess 232 on being close to two lateral walls of collar 21, and two recesses 232 all are linked together with connecting groove 24, install in the recess 232 to be used for dismantling the detachable connection piece 3 of fixing in connecting groove 24 with base 231.

Can dismantle connecting piece 3 includes the piece 31 of dismantling of slidable mounting in recess 232, and two can dismantle in the one end that piece 31 is close to each other all stretches into spread groove 24, and equal fixed mounting has a wedge 32, and base 231 is close to then all seted up on two lateral walls of recess 232 with wedge 32 joint complex wedge 33. The one end that two can dismantle blocks 31 and keep away from each other then all fixed mounting have a slide bar 34, and the one end that two slide bars 34 kept away from can dismantle blocks 31 then all slides and runs through installation block 22. Wherein, the sliding rod 34 outside the mounting block 22 is fixedly provided with a handheld block 35 convenient for pulling, the sliding rod 34 in the groove 232 is sleeved with a pushing spring 36, and two ends of the pushing spring 36 are respectively connected with the side wall of one side of the detachable block 31 and the groove 232 far away from the connecting groove 24.

The hoisting ring 23 further comprises a first half ring 233 fixedly mounted on the base 231, one end of the first half ring 233 far away from the hoisting ring 23 is hinged with a second half ring 234, and the first half ring 233 and the second half ring 234 form a hoisting ring.

As shown in fig. 3 and 4, the base 231 has a receiving cavity 4 therein, and the base 231 also has a through hole 41 for the second half ring 234 to pass through to extend into the receiving cavity 4. The receiving cavity 4 is provided with a locking member 5 for locking the second half ring 234 in the receiving cavity 4.

The locking member 5 comprises a rotating lever 51 fixedly mounted in the housing chamber 4, and the rotating lever 51 is located at one end of the housing chamber 4 near the first half 233. A locking rod 52 is rotatably mounted on the rotating rod 51, a plurality of first helical teeth 53 are arranged on the side wall of one side of the locking rod 52 far away from the rotating rod 51 and far away from the corrugated pipe body 1 along the length direction, and the first helical teeth 53 are obliquely arranged towards the first half ring 233. The second half ring 234 is provided with second helical teeth 54 engaging with the first helical teeth 53 on the outer peripheral wall of the end thereof remote from the first half ring 233.

The accommodating cavity 4 is further provided with a pushing part 6 for pushing the locking rod 52 to abut against the second half ring 234, the pushing part 6 comprises a first elastic sheet 61, the first elastic sheet 61 is fixedly installed on the side wall of the accommodating cavity 4 close to one side of the corrugated pipe body 1, one end of the first elastic sheet 61 close to the first half ring 233 is fixedly installed with a bent second elastic sheet 62, one end of the second elastic sheet 62 far away from the first elastic sheet 61 is fixedly installed with a third elastic sheet 63, and the side wall of the third elastic sheet 63 far away from one side of the first elastic sheet 61 abuts against the locking rod 52. And the first elastic piece 61, the second elastic piece 62 and the third elastic piece 63 are integrally formed.

The accommodating cavity 4 is further provided with a limiting member 7 for limiting the maximum rotation angle of the locking rod 52, the limiting member 7 comprises a blocking block 71, the blocking block 71 is fixedly installed on the side wall of the accommodating cavity 4 far away from the first half ring 233, and the blocking block 71 is located on one side of the through hole 41 close to the corrugated pipe body 1. And a limit block 72 is fixedly installed at one end of the locking lever 52 far away from the rotating lever 51, and the limit block 72 and the stop block 71 are tightly pressed under the pushing of the pushing member 6.

As shown in fig. 4 and 5, a releasing member 8 for releasing the locking member 5 is further mounted on the base 231, the releasing member 8 includes a kidney-shaped hole 81 formed in the base 231, the kidney-shaped hole 81 is communicated with the accommodating cavity 4, and a releasing rod 82 is slidably mounted in the kidney-shaped hole 81, and the diameter of the releasing rod 82 is smaller than the width of the kidney-shaped hole 81. One end of the release rod 82 extends into the accommodating cavity 4 and is connected with one end of the locking rod 52 far away from the rotating rod 51, the other end of the release rod 82 is provided with a release block 83 through a connecting piece 9, and the side wall of the release block 83 far away from the release rod 82 is provided with an antiskid pattern 84.

The connecting member 9 includes a connecting block 91 fixedly mounted on an end of the releasing lever 82 far from the locking lever 52, and a first connecting groove 92 is formed on a side wall of the releasing block 83 near the releasing lever 82, and the first connecting groove 92 is slidably engaged with the releasing lever 82. Wherein the diameter of the connecting block 91 is larger than that of the first connecting groove 92, and the diameter of the release lever 82 is smaller than that of the first connecting groove 92. A second connecting groove 93 for accommodating the connecting block 91 is further formed in the releasing block 83, and the diameter of the second connecting groove 93 is larger than that of the connecting block 91.

The implementation principle of the embodiment is as follows:

when the corrugated pipe needs to be hoisted, the hoisting ring 23 needs to be connected with hoisting equipment. At this time, only by pushing the release block 83, the release block 83 can drive the release rod 82 to slide along the kidney-shaped hole 81, and the release rod 82 can drive the locking rod 52 to rotate around the rotating rod 51, so that the second helical teeth 54 are disengaged from the first helical teeth 53, and the second half ring 234 can be rotated to release the second half ring 234 from the accommodating cavity 4.

After the second half ring 234 is rotated and opened, a hook or a ring-shaped rope of a hanging device is placed in the ring formed by the first half ring 233 and the second half ring 234, and then the second half ring 234 is rotated to make the second half ring 234 pass through the through hole 41 and extend into the accommodating cavity 4. Since the first helical teeth 53 are inclined toward the first half 233, when the second half 234 extends into the accommodating cavity 4, the second helical teeth 54 push the first helical teeth 53, so that the locking rod 52 rotates around the rotating rod 51. When the second half ring 234 rotates to the predetermined position, the pushing member 6 pushes the locking rod 52 to rotate along the rotating rod 51 by the elasticity of the first elastic sheet 61, the second elastic sheet 62 and the third elastic sheet 63, so that the second helical teeth 54 are engaged with the first helical teeth 53, and the end of the second half ring 234 away from the first half ring 233 is locked in the accommodating cavity 4 by the engagement of the first helical teeth 53 and the second helical teeth 54.

After the hanging device is connected to the lifting ring 23, the base 231 is snapped into the connecting groove 24, and the base 231 first pushes the two wedge blocks 32, so that the two detachable blocks 31 slide along the groove 232 and move away from each other. After the seat 231 is pushed to the predetermined position, the pushing spring 36 pushes the two detachable blocks 31 to slide along the groove 232 and approach each other, so that the wedge block 32 is clamped in the wedge groove 33 to complete the installation of the seat 231 and the installation block 22. Then the corrugated pipe can be hoisted.

After the hoisting of a bellows is accomplished, need not throw off hanging equipment and hoisting ring 23, but only need pull two handheld pieces 35 to can dismantle piece 31 through slide bar 34 pulling two and slide and keep away from each other along recess 232, then wedge 32 breaks away from the joint state with wedge groove 33, pulls base 231 again this moment and takes off hoisting ring 23. The hoisting ring 23 taken down is installed on the next corrugated pipe through the detachable connecting piece 3, and then the next corrugated pipe can be hoisted.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. HDPE corrugated pipe, comprising a corrugated pipe body (1), characterized in that: still be provided with hoist device (2) on bellows body (1), hoist device (2) are including cup jointing the installation ring (21) on bellows body (1), be provided with hoist and mount ring (23) on installation ring (21), hoist and mount ring (23) include base (231), base (231) with installation ring (21) link to each other, install first semi-ring (233) on base (231), then rotate on first semi-ring (233) and install second semi-ring (234), still install on base (231) be used for with retaining member (5) of second semi-ring (234) locking.

2. HDPE corrugated pipe according to claim 1, characterized in that: set up on base (231) and hold chamber (4), the confession has still been seted up on base (231) through-hole (41) that second semi-ring (234) passed, through-hole (41) with hold chamber (4) and be linked together, it installs in chamber (4) retaining member (5) to hold, retaining member (5) are including fixed mounting in hold bull stick (51) in chamber (4), rotate on bull stick (51) and install locking lever (52), be provided with first skewed tooth (53) on locking lever (52), then be provided with on second semi-ring (234) with second skewed tooth (54) of first skewed tooth (53) meshing, it still is provided with in chamber (4) and is used for promoting push member (6) of locking lever (52).

3. HDPE corrugated pipe according to claim 2, characterized in that: the pushing piece (6) comprises a first elastic piece (61), the first elastic piece (61) is fixedly installed on the bottom wall of the accommodating cavity (4), one end of the first elastic piece (61) is connected with a bent second elastic piece (62), one end, far away from the first elastic piece (61), of the second elastic piece (62) is connected with a third elastic piece (63), the third elastic piece (63) is tightly abutted to the locking rod (52), and a limiting piece (7) used for limiting the maximum rotation angle of the locking rod (52) is further arranged in the accommodating cavity (4).

4. HDPE corrugated pipe according to claim 3, characterized in that: the limiting part (7) comprises a limiting block (72), the limiting block (72) is fixedly installed at one end, far away from the rotating rod (51), of the locking rod (52), the accommodating cavity (4) is far away from the side wall of one side of the rotating rod (51), a blocking block (71) is fixedly installed on the side wall of one side of the rotating rod (51), and the blocking block (71) is abutted against the limiting block (72).

5. HDPE corrugated pipe according to any one of claims 2 to 4, characterized in that: still install on base (231) and be used for the release (8) of retaining member (5), release (8) are including seting up waist type hole (81) on base (231), just waist type hole (81) with it is linked together to hold chamber (4), slidable mounting has a release lever (82) in waist type hole (81), just the width in waist type hole (81) is greater than the diameter of release lever (82), the one end of release lever (82) stretches into hold in the chamber (4) and with check lock lever (52) link to each other, the other end of release lever (82) then is connected with release block (83) through connecting piece (9), be provided with on release block (83) skid proof pattern (84).

6. HDPE corrugated pipe according to claim 5, characterized in that: the connecting piece (9) comprises a connecting block (91) fixedly mounted at one end, far away from the locking rod (52), of the release rod (82), a first connecting groove (92) is formed in the side wall, close to one side of the release rod (82), of the release block (83), the first connecting groove (92) is in sliding fit with the release rod (82), the diameter of the first connecting groove (92) is larger than that of the release rod (82), and a second connecting groove (93) used for containing the connecting block (91) is further formed in the release block (83).

7. HDPE corrugated pipe according to claim 6, characterized in that: still fixed mounting has installation piece (22) on collar (21), install on piece (22) seted up with base (231) joint complex spread groove (24), still install on installation piece (22) and can dismantle connecting piece (3).

8. HDPE corrugated pipe according to claim 7, characterized in that: a groove (232) is formed in two side walls of the connecting groove (24) close to the mounting ring (21), the detachable connecting piece (3) is installed in the groove (232), the detachable connecting piece (3) comprises a detachable block (31) which is installed in the groove (232) in a sliding manner, a wedge block (32) is fixedly installed at one end of each detachable block (31) close to each other, a wedge groove (33) matched with the wedge block (32) in a clamping manner is formed in the base (231), a sliding rod (34) is fixedly installed at one end of each detachable block (31) far away from each other, a pushing spring (36) is installed on each sliding rod (34) in a sliding and sleeving manner, two ends of the pushing spring (36) are respectively connected with the side walls of the detachable block (31) and the groove (232), and one end of each sliding rod (34) far away from each other runs through the mounting block (22), and a hand-held block (35) is fixedly arranged on the sliding rod (34) outside the mounting block (22).