CN209991050U

CN209991050U - Steel band reinforced polyethylene helical bellows

Info

Publication number: CN209991050U
Application number: CN201920562149.7U
Authority: CN
Inventors: 冯平
Original assignee: Sichuan Lanchen Pipe Industry Co Ltd
Current assignee: Sichuan Lanchen Pipe Industry Co Ltd
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2020-01-24
Anticipated expiration: 2029-04-23

Abstract

The utility model relates to a steel band reinforcing polyethylene helical bellows belongs to polymer tubular product technical field, including body and interior sleeve pipe, the both ends of body are provided with the connector, the inner wall laminating of interior sheathed tube outer wall and connector, be provided with the fixed disk on the connector, the connecting hole has been seted up on the fixed disk, is provided with the fixed subassembly that is used for two fixed bodys in the connecting hole on the adjacent fixed disk, fixed subassembly includes screw rod and nut, the screw rod is worn to locate in the connecting hole of two fixed disks, nut and screw rod threaded connection, and the nut supports tightly with the fixed disk. When the pipe body is connected, the screw rod sequentially penetrates through the connecting holes of the two fixing discs, the nut is in threaded connection with the screw rod, and the nut is abutted against the fixing discs tightly, so that the pipe body is connected firmly, the pipe body is effectively prevented from being bent and shifted due to impact, the pipe body is prevented from loosening, and pipeline leakage is prevented.

Description

Steel band reinforced polyethylene helical bellows

Technical Field

The utility model relates to a polymer tubular product technical field, in particular to steel band reinforcing polyethylene helical bellows.

Background

The steel strip reinforced polyethylene helical bellows is a double-wall helical bellows which takes high-density Polyethylene (PE) as a substrate, takes a steel strip with the surface coated with bonding resin as a waveform as a main supporting structure, and is wound and compounded with a polyethylene material into a whole, and is called as the steel strip reinforced polyethylene helical bellows. The pipe has the advantages of corrosion resistance, light weight, simple and convenient installation, large flow rate, long service life and the like, can replace the pipe made of high-energy-consumption materials, and belongs to an environment-friendly green product. The steel belt is mainly used as a buried drainage pipeline, and integrates the rigidity of the steel belt and the advantages of corrosion resistance, low frictional resistance, abrasion resistance and the like of polyethylene.

At present, the commonly used connection mode of the spiral corrugated pipe with reinforced polyethylene is clamp connection, namely, two ends of two pipelines are flatly butted by hand, a rubber sleeve is sleeved on an interface, a foaming rubber plate is coated outside the rubber sleeve, and then a stainless steel clamp is used for tightening and sealing.

However, the traditional clamp connection mode is mainly connected by friction force between the pipeline and the clamp, and under the environment that the pipeline is buried and easily vibrates in the later period, the pipeline is impacted to bend and shift, so that the clamp and the pipeline are easy to loosen and loosen, the pipeline is leaked, and the service life is short.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steel band reinforcing polyethylene helical bellows has the firm in connection of pipeline, the advantage of prevention pipeline leakage.

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

the utility model provides a steel band reinforcing polyethylene helical bellows, includes body and interior sleeve pipe, the both ends of body are provided with the connector, interior sheathed tube both ends are worn to locate in the adjacent connector of two bodies respectively, the laminating of the inner wall of interior sheathed tube outer wall and connector, be provided with the fixed disk on the connector, the connecting hole has been seted up along the axial of body on the fixed disk, every connecting hole on the fixed disk is seted up two at least along the circumference of fixed disk, is provided with the fixed subassembly that is used for two fixed bodies in the connecting hole on the adjacent fixed disk, fixed subassembly includes screw rod and nut, the screw rod is worn to locate in the connecting hole of two fixed disks, nut and screw rod threaded connection, and the nut supports tightly with the.

Implement above-mentioned technical scheme, when connecting the body, align two bodies earlier, then with interior sleeve pipe insert connector in, adjust the body position, make the connecting hole of fixed disk on two adjacent connectors just right, then pass the connecting hole of two fixed disks with the screw rod in proper order, make nut and screw rod threaded connection at last, and make nut and fixed disk support tightly can, realize the connection of body, body firm in connection prevents that the body from will producing the bending and aversion because of receiving the impact effectively, prevents that the body pine from taking off, the prevention pipeline leaks.

The utility model discloses further set up to: the fixed ring that is provided with in both sides that just is located the fixed disk on the connector, keep off ring and fixed disk butt, the fixed disk rotates and sets up on the connector.

Implement above-mentioned technical scheme, when connecting the body, if connecting hole on two fixed disks is not in same straight line, rotatable fixed disk this moment to make the connecting hole just right, need not to rotate whole body, easy operation is convenient, labour saving and time saving.

The utility model discloses further set up to: the connector internal fixation is provided with annular boss, interior sheathed tube tip and annular boss butt.

Implement above-mentioned technical scheme, when connecting the body, interior sleeve pipe and annular boss butt play the effect to the inner casing pipe location, simple to operate increases simultaneously and goes into the sealed effect between sleeve pipe and the body.

The utility model discloses further set up to: the side wall of the annular boss, which is far away from the inner sleeve, is provided with a flow guide inclined plane facing the inner wall of the pipe body.

Implement above-mentioned technical scheme, the setting of water conservancy diversion inclined plane reduces the interior liquid flow's of body resistance, reduces the loss of liquid velocity of flow.

The utility model discloses further set up to: and a sealing ring is arranged between the annular boss and the inner sleeve and is respectively abutted against the annular boss and the inner sleeve.

By implementing the technical scheme, the sealing performance between the annular boss and the inner sleeve is improved by arranging the sealing ring, and liquid leakage is effectively prevented.

The utility model discloses further set up to: the middle part cover of interior sleeve pipe is equipped with the spacing ring, the both ends face of spacing ring is provided with the waterproof ring with the terminal surface butt of connector.

Implement above-mentioned technical scheme, the terminal surface butt of waterproof ring and connector improves sealed effect between connector and the interior sleeve pipe, prevents effectively that the liquid in the body from leaking.

The utility model discloses further set up to: the utility model discloses a waterproof ring, including body, mounting groove, mounting post, pressure spring, diapire butt, the other end and the mounting post butt of mounting groove, the mounting groove has been seted up along the axial of body to the both ends face of spacing ring, it is provided with the erection column to slide in the mounting groove, be provided with the pressure spring in the mounting groove, the one end of pressure spring and the diapire butt of mounting groove, the other end and erection column butt, waterproof ring.

After the technical scheme is implemented, the elastic force of the pressure spring drives the mounting column to move towards the position close to the connecting pipe, so that the waterproof ring is driven to be tightly abutted against the end face of the connector, and the sealing effect is achieved; usually, the lengths of the connectors of different pipe bodies and even the same pipe body have certain difference, and the waterproof ring can axially move along the inner sleeve, so that the waterproof ring and the connectors can be kept in a tightly abutting state to adapt to the connectors with different lengths, and the applicability is improved.

The utility model discloses further set up to: the waterproof ring is connected with a rubber ring in a bonding mode at one end far away from the limiting ring, and the rubber ring is tightly abutted to the connector.

Implement above-mentioned technical scheme, the setting of rubber circle increases sealed effect, prevents effectively that liquid from leaking in the body.

To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:

when the pipe body is connected, the screw rod sequentially penetrates through the connecting holes of the two fixed disks, and finally the nut is in threaded connection with the screw rod and is tightly abutted against the fixed disks, so that the pipe body is connected, the pipe body is firmly connected, the pipe body is effectively prevented from being bent and shifted due to impact, the pipe body is prevented from loosening, and the pipeline leakage is prevented;

when the pipe body is connected, if the connecting holes on the two fixed disks are not positioned on the same straight line, the fixed disks can be rotated to enable the connecting holes to be opposite, the whole pipe body does not need to be rotated, the operation is simple and convenient, and time and labor are saved;

after installation, the elastic force of the pressure spring drives the installation column to move towards the position close to the connecting pipe, so that the waterproof ring is driven to abut against the end face of the connector, and the sealing effect is achieved; usually, the lengths of the connectors of different pipe bodies and even the same pipe body have certain difference, and the waterproof ring can axially move along the inner sleeve, so that the waterproof ring and the connectors can be kept in a tightly abutting state to adapt to the connectors with different lengths, and the applicability is improved.

Drawings

Fig. 1 is a schematic structural view of the whole of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

Reference numerals: 1. a pipe body; 2. an inner sleeve; 21. a limiting ring; 211. mounting grooves; 212. mounting a column; 213. a pressure spring; 22. a waterproof ring; 221. a rubber ring; 3. a connector; 31. fixing the disc; 311. connecting holes; 32. a baffle ring; 33. an annular boss; 331. a diversion bevel; 332. a seal ring; 4. a fixing assembly; 41. a screw; 42. and a nut.

Detailed Description

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

As shown in fig. 1 and 2, a steel band reinforced polyethylene helical bellows, includes body 1 and interior sleeve pipe 2, and body 1 is two and the diameter equals, and the both ends of body 1 are provided with connector 3, and in adjacent connector 3 of two bodies 1 was worn to locate respectively at interior sleeve pipe 2's both ends, interior sleeve pipe 2's outer wall and the inner wall laminating of connector 3. Interior sleeve pipe 2 is made by the stainless steel, increases interior sleeve pipe 2's intensity, improves compressive capacity, prevents that connector 3 atress from warping, guarantees interior sleeve pipe 2 and the laminating of 3 inner walls of connector, improves sealed effect.

As shown in fig. 2 and 3, the fixed disk 31 is disposed on the connector 3, the fixed disk 31 is provided with at least two connecting holes 311 along the axial direction of the pipe bodies 1, the connecting holes 311 on each fixed disk 31 are at least two along the circumferential direction of the fixed disk 31, the fixing assemblies 4 for fixing the two pipe bodies 1 are disposed in the connecting holes 311 on the adjacent fixed disks 31, each fixing assembly 4 includes a screw rod 41 and a nut 42, the screw rods 41 are disposed in the connecting holes 311 of the two fixed disks 31 in a penetrating manner, the nuts 42 are in threaded connection with the screw rods 41, and the nuts 42 are abutted against the fixed.

As shown in fig. 2 and 3, stop rings 32 are fixedly arranged on the connecting head 3 and positioned at two sides of the fixed disk 31, the stop rings 32 are abutted against the fixed disk 31, and the fixed disk 31 is rotatably arranged on the connecting head 3; when the pipe body 1 is connected, if the connecting holes 311 on the two fixed disks 31 are not positioned on the same straight line, the fixed disks 31 can be rotated at the moment, so that the connecting holes 311 are just opposite, the whole pipe body 1 does not need to be rotated, the operation is simple and convenient, and the time and the labor are saved.

As shown in fig. 2 and 3, an annular boss 33 is fixedly arranged in the connector 3, the end of the inner sleeve 2 is abutted against the annular boss 33, and the thickness of the annular boss 33 is equal to that of the inner sleeve 2; the side wall of the annular boss 33 away from the inner sleeve 2 is provided with a diversion inclined surface 331 facing the inner wall of the pipe body 1. A sealing ring 332 is arranged between the annular boss 33 and the inner sleeve 2, the sealing ring 332 is made of rubber and has certain ductility, and the sealing ring 332 is respectively abutted against the annular boss 33 and the inner sleeve 2; the sealing performance between the annular boss 33 and the inner sleeve 2 is increased, and liquid leakage is effectively prevented.

When the pipe body 1 is connected, the inner sleeve 2 is abutted against the annular boss 33, the inner sleeve 2 is positioned, the installation is convenient, and meanwhile, the sealing effect between the inner sleeve 2 and the pipe body 1 is improved; and the arrangement of water conservancy diversion inclined plane 331 reduces the resistance that the interior liquid of body 1 flows, reduces the loss of liquid velocity of flow.

In addition, as shown in fig. 2 and 3, the middle portion of the inner sleeve 2 is sleeved with a limiting ring 21, the limiting ring 21 and the inner sleeve 2 are integrally formed, two end faces of the limiting ring 21 are provided with waterproof rings 22 abutted to the end faces of the connectors 3, two end faces of the limiting ring 21 are provided with mounting grooves 211 along the axial direction of the pipe body 1, mounting columns 212 are slidably arranged in the mounting grooves 211, pressure springs 213 are arranged in the mounting grooves 211, and one ends of the pressure springs 213 are abutted to the bottom walls of the mounting grooves 211 and the other ends of the pressure springs 213 are abutted to. The waterproof ring 22 is slidably sleeved on the inner sleeve and fixedly connected with the mounting post 212, a rubber ring 221 is bonded to one end of the waterproof ring 22 away from the limiting ring 21, and the rubber ring 221 is tightly abutted to the connector 3.

Usually, the lengths of the connectors 3 of different tube bodies 1, even the same tube body 1, are different to a certain extent, and after installation, the elastic force of the pressure spring 213 drives the installation column 212 to move to a position close to the connection tube, so as to drive the waterproof ring 22 to abut against the end face of the connector 3, thereby achieving a sealing effect; the waterproof ring 22 can move axially along the inner sleeve 2, so that the waterproof ring 22 and the connector 3 can be kept in a tightly abutting state to adapt to connectors 3 with different lengths, and the applicability is improved.

The specific working process is as follows: when the pipe body 1 is connected, firstly, the two pipe bodies 1 are aligned, then the inner sleeve 2 is inserted into the connectors 3, the positions of the pipe bodies 1 are adjusted, the connecting holes 311 of the fixed disks 31 on the two adjacent connectors 3 are opposite, then the screw rods 41 sequentially penetrate through the connecting holes 311 of the two fixed disks 31, finally, the nuts 42 are in threaded connection with the screw rods 41, and the nuts 42 and the fixed disks 31 are abutted tightly, so that the pipe bodies 1 are connected, the pipe bodies 1 are firmly connected, the pipe bodies 1 are effectively prevented from being bent and shifted due to impact, the pipe bodies 1 are prevented from being loosened, and pipeline leakage is prevented.

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. A steel band reinforced polyethylene helical bellows is characterized in that: the pipe comprises a pipe body (1) and an inner sleeve pipe (2), wherein connectors (3) are arranged at two ends of the pipe body (1), two ends of the inner sleeve pipe (2) are respectively arranged in adjacent connectors (3) of the two pipe bodies (1) in a penetrating manner, the outer wall of the inner sleeve pipe (2) is attached to the inner wall of the connectors (3), a fixed disc (31) is arranged on the connectors (3), connecting holes (311) are formed in the fixed disc (31) along the axial direction of the pipe body (1), at least two connecting holes (311) in the fixed disc (31) are formed in the circumferential direction of the fixed disc (31), fixing components (4) used for fixing the two pipe bodies (1) are arranged in the connecting holes (311) in the adjacent fixed disc (31), each fixing component (4) comprises a screw rod (41) and a nut (42), and the screw rods (41) are arranged in the connecting holes (311, the nut (42) is in threaded connection with the screw rod (41), and the nut (42) is tightly abutted to the fixed disc (31).

2. The steel strip reinforced polyethylene helical bellows of claim 1, wherein: the connector (3) is provided with a retaining ring (32) which is fixedly arranged on two sides of the fixed disc (31), the retaining ring (32) is abutted against the fixed disc (31), and the fixed disc (31) is rotatably arranged on the connector (3).

3. The steel strip reinforced polyethylene helical bellows of claim 2, wherein: the connector (3) internal fixation is provided with annular boss (33), the tip and the annular boss (33) butt of interior sleeve pipe (2).

4. The steel strip reinforced polyethylene helical bellows of claim 3, wherein: the side wall of the annular boss (33) far away from the inner sleeve (2) is provided with a flow guide inclined plane (331) facing the inner wall of the pipe body (1).

5. The steel strip reinforced polyethylene helical bellows of claim 4, wherein: a sealing ring (332) is arranged between the annular boss (33) and the inner sleeve (2), and the sealing ring (332) is respectively abutted against the annular boss (33) and the inner sleeve (2).

6. The steel strip reinforced polyethylene helical bellows of claim 1, wherein: the middle part cover of interior sleeve pipe (2) is equipped with spacing ring (21), the both ends face of spacing ring (21) is provided with waterproof ring (22) with the terminal surface butt of connector (3).

7. The steel strip reinforced polyethylene helical bellows of claim 6, wherein: mounting groove (211) have been seted up along the axial of body (1) to the both ends face of spacing ring (21), it is provided with erection column (212) to slide in mounting groove (211), be provided with pressure spring (213) in mounting groove (211), the one end of pressure spring (213) and the diapire butt of mounting groove (211), the other end and erection column (212) butt, waterproof ring (22) slip cap is located the inner tube cover and with erection column (212) fixed connection.

8. The steel strip reinforced polyethylene helical bellows of claim 7, wherein: one end of the waterproof ring (22) far away from the limiting ring (21) is bonded with a rubber ring (221), and the rubber ring (221) is tightly abutted to the connector (3).