CN211450013U

CN211450013U - Corrugated pipe

Info

Publication number: CN211450013U
Application number: CN201821753536.0U
Authority: CN
Inventors: 吉远宏; 刘明安; 张丽; 吉远东; 杨磊
Original assignee: Jiangsu Fenghe Machinery Manufacturing Co ltd
Current assignee: Jiangsu Fenghe Machinery Manufacturing Co ltd
Priority date: 2018-10-29
Filing date: 2018-10-29
Publication date: 2020-09-08
Anticipated expiration: 2028-10-29

Abstract

The utility model provides a corrugated pipe, which comprises a telescopic joint, wherein the telescopic joint is connected with an upper end trip connecting pipe and a lower end connecting pipe, the telescopic joint comprises an upper end trip connecting pipe, no water resistance lifting, the upper end trip connecting pipe is welded with the no water resistance lifting in parallel, the corrugated pipe also comprises a middle connecting pipe and a guide cylinder, the guide cylinder is positioned under the no water resistance lifting, the corrugated pipe also comprises a corrugated pipe, a first ring plate, an armor ring, a second ring plate, a fastening piece and a retaining ring, the armor ring is vertically welded on the corrugated pipe, the fastening piece is vertical to the armor ring and passes through the center of the armor ring, the retaining ring is arranged between inner supports of the fastening piece, the inner support, the reinforced armor ring, a third ring plate, the second no water resistance lifting, the lower end connecting pipe, an outer sheath, a damping device, the corrugated pipe, the middle connecting pipe, can effectual solution present compound expansion joint product structure complicated, the body weight is heavy, and the bore is big, and three direction displacement is at the problem that the difficult installation of the same type engineering compensation volume is on the large side.

Description

Corrugated pipe

Technical Field

The utility model relates to a plumbing technical field, concretely relates to bellows.

Background

The compound expansion joint has complex product structure, heavy body weight, large caliber and large compensation amount of three-direction displacement in the same type of engineering, so that the product performance and index of the compound expansion joint must be ensured to be safe and reliable, certain safety coefficient must be considered in the design and manufacturing process, the size accuracy of various parts assembled on site must be considered, and the process and welding method adopted in the field welding process must be considered to ensure that the assembled product is inspected and qualified by one-time water pressure acceptance.

Disclosure of Invention

In order to solve present double entry telescopic joint product structure complicacy, the body weight is heavy, and the bore is big, and three direction displacement is at the problem of the difficult installation of the engineering compensation volume big on the left of the same type, the utility model provides a bellows.

The utility model discloses a solve the technical scheme that technical problem adopted as follows:

the corrugated pipe is characterized by comprising an expansion joint, wherein the expansion joint is connected with an upper end trip connecting pipe (1) and a lower end connecting pipe (19), the expansion joint comprises an upper end trip connecting pipe (1) and a water resistance-free lifting pipe (2), the upper end trip connecting pipe (1) and the water resistance-free lifting pipe (2) are welded in parallel, the corrugated pipe further comprises a middle connecting pipe (3) and a guide cylinder (4), the guide cylinder (4) is positioned under the water resistance-free lifting pipe (2), the corrugated pipe further comprises a corrugated pipe (5), a first ring plate (6) and an armor ring (7), a second ring plate (8), a fastening piece (13) and a retaining ring (14), the armor ring (7) is vertically welded on the corrugated pipe (5), the fastening piece (13) is perpendicular to the armor ring (7) and penetrates through the center of the armor ring, the retaining ring (14) is arranged between inner supports (15) of the fastening piece (13), and further comprises an inner support (15), a reinforcing armor ring (16), The device comprises a third annular plate (17), a second water resistance-free lifting device (18), a downstream end joint pipe (19), an outer sheath (31), a damping device (41), a corrugated pipe (5), a middle connecting pipe (3), a guide cylinder (4), an inclined strut (81) and a fastener (13), wherein the first annular plate (6), the second annular plate (8) and the third annular plate (17) form a cuboid closed space, and a reinforcing armor ring (16) and the guide cylinder (4) are arranged inside the cuboid closed space;

the device also comprises an extension pipe (111), a first sealing ring (411), a second sealing ring (511), a protection pipe (611), a first pipe (211) and a second pipe (311); one end of the telescopic pipe (111) is sleeved on the outer surface of the first pipe (211), the other end of the telescopic pipe is sleeved on the outer surface of the second pipe (311), the inner diameter of one end of the telescopic pipe (111) is less than or equal to the outer diameter of the first pipe (211), and the inner diameter of the other end of the telescopic pipe is less than or equal to the outer diameter of the second pipe (311); the protective pipe (611) is sleeved outside the telescopic pipe (111), the length of the protective pipe (611) is larger than that of the telescopic pipe (111), the first sealing ring (411) is connected with one end of the protective pipe (611) and the first pipe (211), and the second sealing ring (511) is connected with the other end of the protective pipe (611) and the second pipe (311); the first sealing ring (411), the second sealing ring (511) and the telescopic pipe (111) are all made of rubber, and the first pipe (211), the second pipe (311) and the protective pipe (611) are all made of carbon steel and low-alloy steel of Q345C and/or Q345R and/or WDB620 and/or 07 MnMoVR.

Further, the fastener (13) comprises a nut (9), a spring washer (10), a flat washer (11) and a bolt (12).

Furthermore, the outer diameters of the first pipe (211) and the second pipe (311) are 5000 mm-14000 mm in caliber, and the pressure is 0.01 MPa-2 MPa.

Furthermore, the first sealing ring (411) and the second sealing ring (511) are equal in size and shape.

Furthermore, the telescopic joint is bilaterally symmetrical, and two ends of the telescopic joint are respectively connected with an upper end connection pipe (1) and a lower end connection pipe (19).

Further, the damping device (41) is arranged on the outer sheath (31).

Further, the second water-resistor-free elevation (18) is arranged on a downstream end pipe (19).

Furthermore, the inclined strut (81) is vertically arranged on the third annular plate (17) and the upstream and downstream connecting pipe, and has a supporting function.

Further, the two bolts (12) are fixed on the fastener (13) in a group parallel to the corrugated pipe (5).

Furthermore, the fastener (13) is also provided with a second inclined strut, and the second inclined strut is arranged on one side far away from the connecting pipe.

The utility model has the advantages that:

1. the first pipe and the second pipe are connected through the telescopic pipe made of rubber, the telescopic pipe has certain elasticity and can bear multi-directional tension and pressure, the change of the pressure direction and the force on the pressure of the joint caused by the structural change of a soil layer is buffered, the telescopic performance of the rubber telescopic pipe is good, and the rubber telescopic pipe can be applied to the environment of up-and-down settlement movement at the joint.

2. Through setting up the telescopic joint, can solve current compound telescopic joint product structure complicacy, the body weight is heavy, the bore is big, the problem of three direction displacement at the engineering compensation volume of the same type difficult installation partially greatly.

Drawings

FIG. 1 is a cutaway view of the present application;

FIG. 2 is a perspective view of the expansion joint of the present application;

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

FIG. 4 is a side view of the expansion joint of the present application;

FIG. 5 is a side view of the telescopic joint of the present application;

FIG. 6 is a half sectional view of a pipe of the present application;

fig. 7 is a half sectional view of a partial structure of the pipe of the present application.

1-upper end traveling connecting pipe, 2-no-water-resistance lifting, 3-middle connecting pipe, 4-guide cylinder, 5-corrugated pipe, 6-first ring plate, 7-armor ring, 8-second ring plate, 9-nut, 10-spring washer, 11-flat washer, 12-bolt, 13-fastener, 14-baffle ring, 15-inner support, 16-reinforced armor ring, 17-third ring plate, 18-second no-water-resistance lifting, 19-downstream end pipe, 31-outer sheath, 41-damping device, 81-inclined support, 111-telescopic pipe, 211, first pipe, 311, second pipe, 411, first sealing ring, 511, second sealing ring, 611 and protective pipe.

Detailed Description

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

Example 1:

as shown in fig. 1 to 7, a bellows includes a bellows 111, a first sealing ring 411, a second sealing ring 511, a protection tube 611, a first tube 211, and a second tube 311. Fig. 1 is a half sectional view of a three-dimensional structure of the present invention, and fig. 2 is a half sectional view of a telescopic tube 111, a first tube 211 and a second tube 311.

The extension tube 111 has one end sleeved on the outer surface of the first tube 211 and the other end sleeved on the outer surface of the second tube 3, i.e. the extension tube 1 is connected with the first tube 211 and the second tube 311. The inner diameter of one end (the connecting end of the telescopic pipe 111 and the first pipe 211) of the telescopic pipe 111 is smaller than or equal to the outer diameter of the first pipe 211, the inner diameter of the other end (the connecting end of the telescopic pipe 111 and the second pipe 311) of the telescopic pipe 111 is smaller than or equal to the outer diameter of the second pipe 311, both the first pipe 211 and the second pipe 311 are made of U-PVC, the telescopic pipe 111 is made of rubber, so that the telescopic pipe 111 has certain elasticity, the inner diameter of one end of the telescopic pipe 111 is smaller than or equal to the outer diameter of the first pipe 211 and the inner diameter of the other end of the telescopic pipe 111 is smaller than or equal to the outer diameter of the second pipe 311, and the elastic telescopic pipe 111 can be fixedly and. Meanwhile, the elastic telescopic pipe 111 can bear multi-directional tension and pressure, the change of the direction of pressure and the change of the force on the pressure of the joint caused by structural change of a soil layer is buffered, after the installation is finished, the joint is not in a stable state along with the inflow and the extraction of water, the movement phenomenon of up-and-down sedimentation is shown, the telescopic pipe 111 can be telescopic and has good telescopic performance, the problem can be solved exactly, and the telescopic pipe can be applied to the environment.

The protective tube 611 is sleeved outside the telescopic tube 111, the length of the protective tube 611 is greater than that of the telescopic tube 111, and the first sealing ring 411 is connected with one end of the protective tube 611 and the first tube 211; the first sealing ring 411 is positioned between one end of the protection pipe 611 and the first pipe 211, and the outer side of the first sealing ring 411 is in contact connection with one end of the protection pipe 611, and the inner side of the first sealing ring is in contact connection with the first pipe 211; the first sealing ring 411 is sized to fit just in the gap between the end of the protection tube 611 and the first tube 2, so as to seal the protection tube 611 and the first tube 211. The second sealing ring 511 connects the other end of the protection tube 611 and the second tube 311; the second sealing ring 511 is positioned between the other end of the protection pipe 611 and the second pipe 311, and the outer side of the second sealing ring 511 is in contact connection with the other end of the protection pipe 611, and the inner side of the second sealing ring 511 is in contact connection with the second pipe 311; the second sealing ring 511 is sized to fit just inside the gap between the other end of the protection tube 611 and the second tube 311 to seal the protection tube 611 and the second tube 311. The first and

second sealing rings

411 and 511 are made of rubber, and the protection pipe 611 is made of U-PVC. The first sealing ring 411 realizes the sealing connection between the protection pipe 611 and the first pipe 211, and the second sealing ring 511 realizes the sealing connection between the protection pipe 611 and the second pipe 311, so that the protection pipe 611 protects the extension pipe 1, that is, the protection pipe 611, the first sealing ring 411 and the second sealing ring 511 jointly form an enclosure mechanism of the extension pipe 111, thereby preventing soil debris and the like from entering between the protection pipe 611 and the extension pipe 111 to cause the obstruction of the extension pipe 111, and prolonging the service life of the extension pipe 111.

Simultaneously the utility model has the advantages of simple structure, lower cost, convenient loading and unloading, convenient to use.

Wherein, the outer diameters De of the first tube 211 and the second tube 311 are both 110mm, and the outer diameter of the protective tube 611 is preferably 160 mm. The first and

second seals

411 and 511 have the same size and shape.

Example 2:

the difference of this embodiment with preceding embodiment lies in, and this embodiment will disclose a telescopic joint for connect the bellows, can solve current compound telescopic joint product structure complicacy, body weight is heavy, and the bore is big, and three direction displacement is at the problem that the difficult installation of the big side of the engineering compensation volume of the same type.

As shown in fig. 1 to 7, a corrugated pipe is characterized by comprising a telescopic joint, wherein the telescopic joint is connected with an upper end trip pipe 1 and a lower end connection pipe 19, the telescopic joint comprises an upper end trip pipe 1 and a water resistance-free elevation pipe 2, the upper end trip pipe 1 and the water resistance-free elevation pipe 2 are welded in parallel, the corrugated pipe 5, a first ring plate 6, an armor ring 7, a second ring plate 8, a fastening member 13 and a retaining ring 14 are further included, the armor ring 7 is vertically welded on the corrugated pipe 5, the fastening member 13 is perpendicular to the armor ring 7 and penetrates through the center of the armor ring 7, the retaining ring 14 is arranged between internal supports 15 of the fastening member 13, the inner support 15, a reinforced armor ring 16, a third ring plate 17, a second water resistance-free elevation pipe 18, the lower end connection pipe 19, an outer sheath 31, a damping device 41, the corrugated pipe 5, and a lower end connection pipe 19, The middle connecting pipe 3, the draft tube 4 diagonal brace (81) and the fastener 13, wherein the first annular plate 6, the second annular plate 8 and the third annular plate 17 form a cuboid closed space, and a reinforcing armor ring 16 and the draft tube 4 are arranged inside the cuboid closed space;

the telescopic pipe 111, the first sealing ring 411, the second sealing ring 511, the protective pipe 611, the first pipe 211 and the second pipe 311 are further included; one end of the telescopic pipe 111 is sleeved on the outer surface of the first pipe 211, and the other end of the telescopic pipe 111 is sleeved on the outer surface of the second pipe 311, wherein the inner diameter of one end of the telescopic pipe 111 is less than or equal to the outer diameter of the first pipe 211, and the inner diameter of the other end of the telescopic pipe is less than or equal to the outer diameter of the second pipe 311; the protective pipe 611 is sleeved outside the telescopic pipe (111), the length of the protective pipe 611 is larger than that of the telescopic pipe 111, the first sealing ring 411 is connected with one end of the protective pipe 611 and the first pipe 211, and the second sealing ring 511 is connected with the other end of the protective pipe 611 and the second pipe 311; the first sealing ring 411, the second sealing ring 511 and the telescopic pipe 111 are all made of rubber, and the first pipe 211, the second pipe 311 and the protective pipe 611 are all made of carbon steel and low-alloy steel of Q345C and/or Q345R and/or WDB620 and/or 07 MnMoVR.

Further, the tube body further comprises an anti-rust device, and the anti-rust device comprises a direct-current power supply and a lead; the direct current power supply is connected with the pipe body through a wire, and the corrugated pipe can be prevented from rusting.

Further, the fastening piece 13 comprises a nut 9, a spring washer 10, a flat washer 11 and a bolt 12.

Further, the outer diameters of the first pipe 211 and the second pipe 311 are 5000 mm-14000 mm in caliber, and the pressure is 0.01 MPa-2 MPa.

Further, the first seal ring 411 and the second seal ring 511 have the same size and the same shape.

Furthermore, the telescopic joint is bilaterally symmetrical, and two ends of the telescopic joint are respectively connected with the upstream connecting pipe 1 at the upper end and the downstream end connecting pipe 19 at the lower end.

Further, the damping device 41 is disposed on the outer sheath 31.

Further, the second elevation 18 is provided on the downstream end pipe 19.

Furthermore, the inclined strut 81 is vertically arranged on the third annular plate 17 and the upstream and downstream connecting pipes, and has a supporting function.

Further, the bolts 12 are fixed to the fastening member 13 in a set of two parallel to the corrugated tube 5.

Further, the fastener 13 is further provided with a second inclined strut, and the second inclined strut is arranged on one side far away from the connecting pipe.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The corrugated pipe is characterized by comprising an expansion joint, wherein the expansion joint is connected with an upper end trip connecting pipe (1) and a lower end connecting pipe (19), the expansion joint comprises an upper end trip connecting pipe (1) and a water resistance-free lifting pipe (2), the upper end trip connecting pipe (1) and the water resistance-free lifting pipe (2) are welded in parallel, the corrugated pipe further comprises a middle connecting pipe (3) and a guide cylinder (4), the guide cylinder (4) is positioned under the water resistance-free lifting pipe (2), the corrugated pipe further comprises a corrugated pipe (5), a first ring plate (6) and an armor ring (7), a second ring plate (8), a fastening piece (13) and a retaining ring (14), the armor ring (7) is vertically welded on the corrugated pipe (5), the fastening piece (13) is perpendicular to the armor ring (7) and penetrates through the center of the armor ring, the retaining ring (14) is arranged between inner supports (15) of the fastening piece (13), and further comprises an inner support (15), a reinforcing armor ring (16), Third crown plate (17), second no water resistance are raised (18), downstream end joint pipe (19), oversheath (31), damping device (41), bellows (5), middle takeover (3), draft tube (4) bracing (81) and fastener (13), a cuboid confined space is constituteed with third crown plate (17) to first crown plate (6), second crown plate (8), and inside is provided with strengthens armour ring (16) and draft tube (4).

2. The bellows according to claim 1, wherein the fastener (13) comprises a nut (9), a spring washer (10), a flat washer (11), a bolt (12).

3. The bellows according to claim 1, wherein the expansion joint is left-right symmetrical and has two ends each connecting an upstream end connection (1) and a downstream end connection (19).

4. The bellows according to claim 1, wherein the damping means (41) are provided on an outer jacket (31).

5. The bellows according to claim 1, wherein the second water-resistor-free elevation (18) is provided on a downstream end pipe (19).

6. The bellows according to claim 1, wherein the struts (81) are arranged vertically in the third ring plate (17) and in the upstream and downstream connecting tubes, and have a supporting function.

7. The bellows according to claim 2, wherein the bolts (12) are fixed to the fastening member (13) in a set of two parallel to the bellows (5).

8. The bellows according to claim 1, wherein the fastening element (13) is further provided with a second brace, which is arranged on the side remote from the nipple.