CN211649783U

CN211649783U - Metal corrugated pipe

Info

Publication number: CN211649783U
Application number: CN201922452071.6U
Authority: CN
Inventors: 唐磊; 庄慧青; 李贵仁
Original assignee: Haoyin Ningbo Bellows Technology Co ltd
Current assignee: Haoyin Ningbo Bellows Technology Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-10-09
Anticipated expiration: 2029-12-28

Abstract

The utility model relates to a corrugated metal pipe relates to pipeline technical field, has solved corrugated stainless steel pipe's joint and has taken place the problem of wearing and tearing easily, its technical scheme main points corrugated metal pipe, including the body, set up in the joint and the end cover at body both ends, joint department is equipped with the bolster, the bolster includes cushion collar and cover and locates the rubber sleeve of cushion collar, the cushion collar with connect the adaptation, the cushion collar is close to one side of end cover has the spacing ring, the spacing ring with the tip adaptation that connects, the end cover runs through the spacing ring with when connecting threaded connection, the end cover will the cushion collar compresses tightly joint department. The utility model discloses have the effect that reduces to connect the production wearing and tearing probability.

Description

Metal corrugated pipe

Technical Field

The utility model belongs to the technical field of the pipeline technique and specifically relates to a corrugated metal pipe is related to.

Background

The corrugated pipe is a wave-like pipe with a regular shape, is mainly used for connecting the pipeline with the pipeline at the position where the pipeline is required to be stretched or is inconvenient to install by a fixed elbow, and can be bent, slightly stretched or compressed.

The utility model with the authorization notice number of CN208858917U discloses a stainless steel corrugated pipe for an integrated stove, wherein both ends of a pipe body are integrally provided with a limit ring for limiting a joint; one side threaded connection who keeps away from the body that connects has the end cover, is provided with the connection rope on the end cover, covers the joint at bellows both ends through the end cover and closes, makes debris such as dust, stone be difficult for getting into the inside of bellows when the transportation, makes the bellows need not inspection and clearance before the installation to improve the installation effectiveness of bellows.

The above prior art solutions have the following drawbacks: because the joint exposes outside, the joint of stainless steel corrugated pipe can bump each other in the handling of stainless steel corrugated pipe for the joint produces wearing and tearing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a metal bellows, have the effect that reduces to connect and produce the probability of wearing and tearing not enough to prior art exists.

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

the utility model provides a corrugated metal pipe, include the body, set up in the joint and the end cover at body both ends, joint department is equipped with the bolster, the bolster includes that cushion collar and cover are located the rubber sleeve of cushion collar, the cushion collar with connect the adaptation, the cushion collar is close to one side of end cover has the spacing ring, the spacing ring with the tip adaptation that connects, the end cover runs through the spacing ring with when connecting threaded connection, the end cover will the cushion collar compresses tightly joint department.

By adopting the technical scheme, the rubber sleeve is sleeved on the buffer sleeve and the buffer sleeve is arranged at the joint, so that the rubber sleeve is quickly arranged at the joint, the probability that the joint is exposed outside is reduced, and further the potential safety hazard caused in the transportation process of the stainless steel corrugated pipe is reduced; when the buffering piece is installed at the joint through the arrangement of the limiting ring, the end cover is in threaded connection with the joint, so that the end cover compresses the buffering piece at the joint, and the probability that the buffering piece falls off from the joint is reduced.

The utility model is further arranged in that the end of the buffer sleeve far away from the end cover is provided with at least one clamping block along the edge, and the two sides of the position of the clamping block of the buffer sleeve are provided with notches along the length direction of the buffer sleeve to form clamping strips; the two fixture blocks are arranged along the edge of the buffer sleeve at even intervals, the fixture blocks are arranged on one side, facing the joint, of the buffer sleeve, the buffer sleeve is arranged on the joint, and the fixture blocks are abutted to the end face of the end cover far away from the joint.

Through adopting above-mentioned technical scheme, seting up of fixture block both sides breach has formed the card strip, and the card strip is at the emergence elastic deformation of cushion collar department, and the fixture block setting makes the cushion collar install when the joint department at the card strip towards one side of joint department, and the fixture block is in the joint one side of keeping away from the end cover to realized the quick installation of cushion collar in joint department, reduced the installation degree of difficulty of cushion collar in joint department.

The utility model discloses further set up to, the fixture block is keeping away from first lead angle has been seted up to one side of end cover, first lead angle set up in the fixture block orientation one side of joint.

Through adopting above-mentioned technical scheme, the setting up of first lead angle makes the cushion collar when the installation of joint department, first lead angle with connect the butt and make the card strip take place to deform, made things convenient for the preliminary installation of cushion collar in joint department, reduced the installation degree of difficulty of cushion collar in joint department.

The utility model discloses further set up to, the fixture block is keeping away from the second lead angle has been seted up to one side of first lead angle, the second lead angle set up in the fixture block orientation one side of joint.

Through adopting above-mentioned technical scheme, seting up of second lead angle makes the staff more convenient when dismantling the cushion collar from the joint, has reduced the dismantlement degree of difficulty of cushion collar in the joint.

The utility model discloses further set up to, the card strip has seted up the elasticity groove at its outside wall, when the card strip takes place deformation, the fixture block is kept away from the terminal surface that connects with the lateral wall of cushion collar flushes.

Through adopting above-mentioned technical scheme, the setting up of breach has reduced when the fixture block takes place deformation, and the card is faster than the probability that the rubber sleeve took place to interfere.

The utility model discloses further set up to, the end cover is keeping away from the torsion piece is installed to one side that connects.

Through adopting above-mentioned technical scheme, the setting of twisted sheet has reduced the dismantlement degree of difficulty of end cover in the joint, has made things convenient for the staff to follow the dismantlement of joint with the end cover.

The utility model discloses further set up to, the twisted sheet dismantlement install in the end cover, square groove has been seted up on the end cover, the twisted sheet is at the orientation one side in square groove has and inserts the square piece in square groove.

By adopting the technical scheme, the torsion piece is detachably mounted on the end cover, so that the probability of damage to the torsion piece when the pipe body is in use is reduced, and meanwhile, the torsion piece is detached from the end cover, so that materials are saved; the arrangement of the upper groove of the end cover and the upper block of the twisted piece facilitates the disassembly of the end cover at the joint.

The utility model discloses further set up to, spacing annular has been seted up to the lateral wall circumference of cushion collar, the inside wall of rubber sleeve has the card to be gone into the spacing bulge loop of spacing annular.

Through adopting above-mentioned technical scheme, the cooperation setting of spacing annular and spacing bulge loop has increased the stability of rubber sleeve at the cushion collar installation, has reduced the probability that the rubber sleeve drops from cushion collar department.

To sum up, the utility model discloses following beneficial effect has:

1. a metal corrugated pipe comprises a pipe body, connectors and end covers, wherein the connectors and the end covers are arranged at two ends of the pipe body, a rubber sleeve is sleeved on a buffer sleeve, and the buffer sleeve is arranged at the connector, so that the rubber sleeve is quickly arranged at the connector, the probability that the connector is exposed outside is reduced, and the potential safety hazard caused in the transportation process of a stainless steel corrugated pipe is further reduced;

2. the arrangement of the first guide angle and the second guide angle enables the buffer sleeve to be more convenient to assemble and disassemble at the joint;

3. the cooperation setting of spacing annular and spacing bulge loop has increased the stability of rubber sleeve at the cushion collar installation, has reduced the probability that the rubber sleeve drops from cushion collar department.

Drawings

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

FIG. 2 is a schematic illustration of an explosive structure at a joint;

FIG. 3 is a schematic cross-sectional view of the joint;

FIG. 4 is a schematic view of the structure of the cushion collar;

fig. 5 is a partially enlarged schematic view of a portion a in fig. 4.

In the figure, 1, a tube body; 11. a joint; 12. an end cap; 121. a square groove; 2. a buffer member; 21. a buffer sleeve; 211. a limiting ring; 212. a limiting ring groove; 213. a clamping block; 2131. a first lead angle; 2132. a second lead angle; 214. a notch; 215. clamping the strip; 216. an elastic groove; 22. a rubber sleeve; 221. a limit convex ring; 3. twisting the sheet; 31. and (6) square blocks.

Detailed Description

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

Referring to fig. 1, for the utility model discloses a corrugated metal pipe, including body 1, set up in the joint 11 at body 1 both ends, set up in connecting end cover 12 on 11 and set up the bolster 2 on connecting 11.

Referring to fig. 1 and 2, the buffer 2 includes a buffer sleeve 21 and a rubber sleeve 22 sleeved on the buffer sleeve 21, the buffer sleeve 21 is sleeved on the joint 11, a limit ring 211 is formed at one end of the buffer sleeve 21, and the limit ring 211 and the buffer sleeve 21 are integrally disposed.

Referring to fig. 2 and 3, a limit ring groove 212 is circumferentially formed in the outer side wall of the buffer sleeve 21, a limit protruding ring 221 clamped into the limit ring groove 212 is formed in the inner side wall of the rubber sleeve 22, and when the rubber sleeve 22 is sleeved on the buffer sleeve 21, the limit protruding ring 221 is clamped into the limit ring groove 212, so that the probability that the rubber sleeve 22 falls off from the buffer sleeve 21 is reduced.

Referring to fig. 4, the cushion collar 21 is provided with at least one fixture block 213 on a side away from the limiting ring 211, the fixture blocks 213 are uniformly arranged along the edge of the cushion collar 21 at intervals, and the fixture blocks 213 are provided on the inner side wall of the cushion collar 21; the buffer sleeve 21 has notches 214 along the length direction on both sides of the latch 213 and forms a latch 215, the latch 215 has elasticity, and the latch 213 is disposed on the latch 215. In the present embodiment, the buffer sleeve 21 has six clamping strips 215.

Referring to fig. 3 and 4, when the cushion collar 21 is mounted at the joint 11, the latch 213 abuts an end surface of the joint 11 away from the end cap 12.

Referring to fig. 3 and 4, in order to reduce the probability of interference between the clamping strip 215 and the rubber sleeve 22 when the cushion sleeve 21 is installed at the joint 11, the clamping strip 215 is provided with an elastic groove 216 facilitating deformation of the clamping strip 215 on the outer side wall thereof, and when the clamping strip 215 deforms, the end surface of the clamping block 213 away from the joint 11 is flush with the outer side wall of the cushion sleeve 21 and abuts against the rubber sleeve 22.

Referring to fig. 4 and 5, the fixture block 213 has a first guiding corner 2131 on a side away from the limiting ring 211 and away from the rubber sleeve 22, and the fixture block 213 has a second guiding corner 2132 on a side facing the limiting ring 211 and away from the rubber sleeve 22. When the buffer sleeve 21 is installed at the joint 11, the buffer sleeve 21 is abutted against the joint 11 at the first lead angle 2131, so that the buffer head is more conveniently installed at the joint 11; when the buffering head is detached from the joint 11, the buffering sleeve 21 abuts against the joint 11 at the second guiding angle 2132, so that the buffering head is more convenient to detach at the joint 11.

Referring to fig. 2 and fig. 3, the end cover 12 is provided with a detachable torsion sheet 3 on the end surface far away from the joint 11, the end cover 12 is provided with a square groove 121 on the end surface facing the torsion sheet 3, and the torsion sheet 3 is provided with a square block 31 inserted into the square groove 121 on one side facing the square groove 121; the insertion of the square block 31 into the square groove 121 reduces the difficulty of installation at the end cap 12.

The implementation principle of the embodiment is as follows:

1. the rubber sleeve 22 is sleeved on the buffer sleeve 21, and the buffer sleeve 21 is arranged at the joint 11, so that the rubber sleeve 22 is quickly arranged at the joint 11, the probability that the joint 11 is exposed outside is reduced, and further, the potential safety hazard caused in the transportation process of the stainless steel corrugated pipe is reduced;

2. the torsion piece 3 is detachably arranged on the end cover 12, so that the probability of damage to the torsion piece 3 when the pipe body is damaged is reduced, and meanwhile, the torsion piece 3 is detached from the end cover 12, so that materials are saved; the arrangement of the upper groove 121 on the end cover 12 and the upper block 31 on the twisted piece 3 facilitates the disassembly of the end cover 12 at the joint 11;

3. the limiting convex ring 221 on the rubber sleeve 22 is clamped into the limiting ring groove 212 on the buffer sleeve 21, so that the probability that the rubber sleeve 22 falls off from the buffer sleeve 21 is reduced.

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. The utility model provides a corrugated metal pipe, includes body (1), set up in body (1) both ends connect (11) and end cover (12), its characterized in that: connect (11) department to be equipped with bolster (2), bolster (2) are located including cushion collar (21) and cover rubber sleeve (22) of cushion collar (21), cushion collar (21) cover is located connect (11), cushion collar (21) are being close to one side of end cover (12) has spacing ring (211), end cover (12) run through spacing ring (211) and with during joint (11) threaded connection, end cover (12) will cushion collar (21) compress tightly connect (11) department.

2. A metal bellows according to claim 1, wherein: at least one clamping block (213) is arranged at one end, far away from the end cover (12), of the buffer sleeve (21) along the edge of the buffer sleeve, notches (214) are formed in the two sides, at the position of the clamping block (213), of the buffer sleeve (21) along the length direction of the buffer sleeve (21), and clamping strips (215) are formed; the clamping blocks (213) are arranged along the edge of the buffer sleeve (21) at intervals, the clamping blocks (213) are arranged on one side, facing the joint (11), of the buffer sleeve (21), and when the buffer sleeve (21) is installed on the joint (11), the clamping blocks (213) are far away from the end face of the end cover (12) and abutted against the joint (11).

3. A metal bellows according to claim 2, wherein: the fixture block (213) is provided with a first guide corner (2131) on one side far away from the end cover (12), and the first guide corner (2131) is arranged on one side, facing the joint (11), of the fixture block (213).

4. A metal bellows according to claim 3, wherein: the fixture block (213) is provided with a second guide angle (2132) on one side far away from the first guide angle (2131), and the second guide angle (2132) is arranged on one side, facing the joint (11), of the fixture block (213).

5. A corrugated metal pipe as claimed in claim 4, wherein: the outer side wall of the clamping strip (215) is provided with an elastic groove (216), and when the clamping strip (215) deforms, the end face, far away from the joint (11), of the clamping block (213) is flush with the outer side wall of the buffer sleeve (21).

6. A corrugated metal pipe as claimed in claim 5, wherein: the end cover (12) is provided with a torsion piece (3) at one side far away from the joint (11).

7. A metal bellows according to claim 6, wherein: the twisting sheet (3) is detachably mounted on the end cover (12), a square groove (121) is formed in the end cover (12), and a square block (31) inserted into the square groove (121) is arranged on one side, facing the square groove (121), of the twisting sheet (3).

8. A metal bellows according to claim 7, wherein: spacing annular groove (212) have been seted up to the lateral wall circumference of cushion collar (21), the inside wall of rubber sleeve (22) has the spacing bulge loop (221) of card income spacing annular groove (212).