CN218152920U

CN218152920U - Pipeline connecting assembly

Info

Publication number: CN218152920U
Application number: CN202221769921.0U
Authority: CN
Inventors: 王进; 李强; 刘淑强; 王学兰
Original assignee: Shandong Lingong Construction Machinery Co Ltd
Current assignee: Shandong Lingong Construction Machinery Co Ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-12-27
Anticipated expiration: 2032-07-08

Abstract

The utility model discloses a pipeline coupling assembling, it belongs to engineering machine tool technical field. The hose overcomes the defects that in the prior art, when a traditional hose is connected with a hard pipe, the pipe fitting is easy to leak gas, fall off and the connection reliability is poor. Its major structure includes the staple bolt, the staple bolt is including cramping the area, cramps and installs the anchorage bar between two tip that the area is close to each other, and spring and fastening nut are installed to the one end of anchorage bar, and the spring mounting is between fastening nut and cramping the area, the inboard installation of cramping the area is fixed with one and more inside lining, and the inside lining is close to and cramps and is equipped with clearance L1 between two tip of taking the tip. The utility model discloses mainly used engineering machine tool is last.

Description

Pipeline connecting assembly

Technical Field

The utility model belongs to the technical field of engineering machine tool, specifically speaking especially relates to a pipeline coupling assembling.

Background

Because engineering machinery products are large in size, severe in operation environment and high in impact and vibration, pipelines need to be fixed in the design process, some pipelines such as an engine cold pipeline are long in route, a hose is high in cost when being used alone, and the pipelines are not convenient to fix, so that a structural form of hose-hard pipe-hose needs to be adopted, namely, the two ends of an inlet and an outlet of an engine and a cooler are connected through the hose, the pipeline with the longer middle is in transition through the hard pipe, and the hard pipe is fixed. Therefore, the connection reliability of the hose and the hard pipe is very important, and whether the whole machine can normally operate or not is concerned.

As shown in fig. 7, when connecting a hose 1 and a hard pipe 3, it is often used in the prior art to form a ring-shaped protrusion 4 at the connecting end of the hard pipe, so that the hose 1 and the protrusion 4 are in interference fit, and then fasten with a hose clamp 2, wherein the protrusion can be in various forms, such as another protrusion 4 in fig. 8, but there is a disadvantage in this connection method: when the flexible pipe is subjected to alternating impact, ageing or high-temperature expansion, gas leakage is easy to occur, even the gas can fall off, the reliability is poor, and the use can not be met.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art not enough, provide a pipeline coupling assembling, its sealed effect and the connection reliability of effectively guaranteeing two connecting tube way are applicable to the connection between hose and the hard tube.

In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:

the utility model provides a pipeline connecting assembly, includes the staple bolt, the staple bolt is including cramping the area, cramps and installs the anchorage bar between two tip that the area is close to each other, and spring and fastening nut are installed to the one end of anchorage bar, and the spring mounting is between fastening nut and cramping the area, the inboard installation of cramping the area is fixed with one and more inside lining, and the inside lining is close to and cramps and is equipped with clearance L1 between two tip of taking the tip.

Preferably, the liner is a v-shaped liner, and the flare angle of the v-shaped liner is theta deg.

Preferably, the inner lining is provided with two or more, and a gap L2 is arranged between every two inner linings.

Preferably, the pipeline coupling assembling still includes the hard tube subassembly, and the hard tube subassembly includes body and link, and the tip at the body is installed to the link, and the outer fringe of link is equipped with protruding A.

Preferably, one surface of the protrusion A far away from the pipe body is a matching surface A, one surface of the protrusion A close to the pipe body is a fastening surface A, and an included angle between the matching surface A and the fastening surface A is theta/2 degrees.

Preferably, the pipeline connecting assembly further comprises a hose assembly, the hose assembly comprises a hose body, the outer edge of the end part of the hose body is provided with a protrusion B, and the groove of the hose body is provided with a flange ring.

Preferably, the joint of the protrusion B is recessed into a matching surface B, the bottom of the flange ring is matched with the hose body, one surface of the flange ring is matched with the protrusion B, the other surface of the flange ring is a fastening surface B, and an included angle between the fastening surface B and the matching surface B is θ/2 °.

Preferably, an inner lining ring is arranged inside the hose body.

Preferably, the inner spigot of the connecting end is matched with the inner lining ring, the fastening surface A and the fastening surface B are both matched with the inner surface of the inner lining, and the matching surface A is matched with the matching surface B.

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

1. the hoop with the v-shaped liner and the fastening surfaces matched with the v-shaped liner of the hoop are arranged at the end parts of the hard tube component and the hose component, so that the two are firmly pressed when connected, and reliable sealing connection is realized;

2. a gap L1 is formed between two end parts of the v-shaped lining close to the end part of the hooping belt, so that the hooping is kept in a certain tightness range;

3. the anchor ear is provided with a spring, so that the fastening nut can keep a certain pre-tightening force and is not easy to loosen;

4. when the hose assembly and the hard tube assembly are connected, the outer circular ring surface of the ring-shaped bulge A of the connecting end is matched with the top of the inner concave surface of the hose body, and the inner spigot of the connecting end is matched with the inner lining ring to jointly play a role of radial limiting; the fastening surface A and the fastening surface B are matched with the inner surface of the lining, the matching surface A is matched with the matching surface B, and when the hoop is continuously tightened, the matching surface A of the hard pipe assembly and the matching surface B of the hose assembly are combined and gradually compressed, so that fastening and reliable sealing connection are realized;

to sum up, the utility model discloses sealed effect and connection reliability when can effectively guarantee hard tube subassembly and hose assembly and connect are applicable to the connection between hose and the hard tube.

Drawings

Fig. 1 is a schematic structural view of the middle anchor ear of the present invention;

fig. 2 is a front view of the middle hoop of the present invention;

FIG. 3 isbase:Sub>A cross-sectional view A-A of FIG. 2;

FIG. 4 is a schematic structural view of a middle hard tube assembly according to the present invention;

FIG. 5 is a schematic view of the hose assembly of the present invention;

FIG. 6 is a schematic structural view of the present invention;

FIG. 7 is a schematic diagram of a prior art configuration;

fig. 8 is a schematic structural diagram of a bump in the prior art.

In the figure: 1. a hose; 2. a hose clamp; 3. a hard tube; 4. a protrusion; 5. hooping; 6. a fastening rod; 7. fastening a nut; 8. a spring; 9. a fixed seat; 10. a fixed shaft; 11. a tightening band; 12. a liner; 13. a hard tube assembly; 14. a hose assembly; 131. a pipe body; 132. a connecting end; 133. a protrusion A; 141. an inner liner ring; 142. a hose body; 143. a flange ring; 144. and a protrusion B.

Detailed Description

The present invention will be further described with reference to the following specific embodiments and accompanying drawings.

Example 1:

as shown in fig. 1-2, a pipeline connecting assembly comprises a hoop 5, and is characterized in that: the hoop 5 comprises a hooping belt 11, a fastening rod 6 is installed between two end portions of the hooping belt 11, a spring 8 and a fastening nut 7 are installed at one end of the fastening rod 6, the spring 8 is installed between the fastening nut 7 and the hooping belt 11, namely, two end portions of the hooping belt 11, which are close to each other, are respectively provided with a fixing seat 9, a fixing shaft 10 is installed on the fixing seat 9, the fastening rod 6 penetrates through mounting holes in the two fixing shafts 10, the spring 8 is installed between the fastening nut 7 and the fixing shaft 10, one or more linings 12 are installed and fixed on the inner side of the hooping belt 11, namely, the bottom of the lining 12 is fixedly connected with the hooping belt 11, a gap L1 is arranged between the two end portions of the lining 12, which are close to the end portions of the hooping belt 11, so that the hoop 5 keeps a certain tightness range, loosening and tightening of the hoop 5 can be realized by adjusting the fastening nut 7, the spring 8 can enable the fastening nut 7 to keep a certain pretightening force and is not easy to loosen, wherein the fastening rod 6 can be a bolt.

The liner 12 is a V-shaped liner, that is, the cross section of the liner 12 is approximately "V" shaped, and as shown in fig. 3, the upper opening angle of the V-shaped liner is θ °, and θ ° ranges from 30 ° to 70 °, and is preferably 60 °. The inner liner 12 is provided with two or more than two, and can be arranged in a plurality of sections, and a gap L2 is arranged between every two inner liners 12. The gap L2 is arranged between the two inner liners 12, so that the tightening belt 11 can keep a certain tightness range when being loosened and tightened, and the defect of poor sealing effect caused by excessive extrusion between the two inner liners 12 when being tightened is avoided.

Example 2:

as shown in fig. 4, the pipeline connecting assembly further includes a hard pipe assembly 13, the hard pipe assembly 13 includes a pipe body 131 and a connecting end 132, the connecting end 132 is installed at an end of the pipe body 131, and an outer edge of the connecting end 132 is provided with a ring-shaped protrusion a133. The surface of the protrusion A133 away from the tube body 131 is a matching surface A, the surface of the protrusion A133 close to the tube body 131 is a fastening surface A, and the included angle between the matching surface A and the fastening surface A is theta/2 deg. The fitting surface a is inwardly recessed to form an inner spigot, wherein the pipe body 131 and the connecting end 132 are connected by tailor welding, which is convenient for reducing cost, and can also be integrally formed by casting. The other portions are the same as in example 1.

Example 3:

as shown in fig. 5, the pipeline connecting assembly further includes a hose assembly 14, the hose assembly 14 includes a hose body 142, the hose body 142 is made of rubber or other soft materials, a ring-shaped protrusion B144 is disposed on an outer edge of an end of the hose body 142, a flange ring 143 is disposed on another surface of the protrusion B144 away from the hose body 142 and a groove of the hose body 142, and the flange ring 143 is made of metal or other hard materials.

The joint of the protrusion B144 is recessed into a matching surface B, the bottom of the flange ring 143 is matched with the hose body 142, one surface of the flange ring 143 is matched with the protrusion B144, the other surface is a fastening surface B, and an included angle between the fastening surface B and the matching surface B is θ/2 °.

The inner lining ring 141 is arranged inside the hose body 142, the inner lining ring 141 is made of metal or other hard materials, and plays a role of skeleton support for the joint of the hose body 142, so that the hose body 142 is not easy to deform in the connection and use processes.

As shown in fig. 6, when the hose assembly 14 and the hard tube assembly 13 are connected, the outer circular surface of the annular protrusion a133 of the connecting end 132 is engaged with the top of the inner concave surface of the hose body 142, and the inner stop of the connecting end 132 is engaged with the inner lining ring 141, so as to jointly perform a radial limiting function; the fastening surface A and the fastening surface B are matched with the inner surface of the lining 12, the matching surface A is matched with the matching surface B, and when the hoop 5 is continuously tightened, the matching surface A of the hard pipe assembly 13 is combined with the matching surface B of the hose assembly 14 and is gradually compressed, so that fastening and reliable sealing connection are realized. The other portions are the same as in example 2.

Claims

1. The utility model provides a pipeline connecting assembly, includes staple bolt (5), its characterized in that: staple bolt (5) install anchorage bar (6) including banding area (11) between two tip that banding area (11) are close to each other, and spring (8) and fastening nut (7) are installed to the one end of anchorage bar (6), and install between fastening nut (7) and banding area (11) spring (8), the inboard mounting of banding area (11) is fixed with inside lining (12) more than one, and inside lining (12) are close to and are equipped with clearance L1 between two tips of banding area (11) tip.

2. The conduit coupling assembly of claim 1, wherein: the inner liner (12) is a v-shaped inner liner, and the opening angle of the v-shaped inner liner is theta degrees.

3. A conduit connection assembly according to claim 1 or 2, wherein: the inner liners (12) are provided with two or more than two, and a gap L2 is arranged between every two inner liners (12).

4. The conduit coupling assembly of claim 2, wherein: the pipeline connecting assembly further comprises a hard pipe assembly (13), the hard pipe assembly (13) comprises a pipe body (131) and a connecting end (132), the connecting end (132) is installed at the end portion of the pipe body (131), and a protrusion A (133) is arranged on the outer edge of the connecting end (132).

5. The conduit connection assembly of claim 4, wherein: the surface of the protrusion A (133) far away from the pipe body (131) is a matching surface A, the surface of the protrusion A (133) close to the pipe body (131) is a fastening surface A, and the included angle between the matching surface A and the fastening surface A is theta/2 degrees.

6. The conduit connection assembly of claim 5, wherein: the pipeline connecting assembly further comprises a hose assembly (14), the hose assembly (14) comprises a hose body (142), a protrusion B (144) is arranged on the outer edge of the end portion of the hose body (142), and a flange ring (143) is arranged at the groove of the hose body (142).

7. The conduit coupling assembly of claim 6, wherein: the joint of the protrusion B (144) is concave as a matching surface B, the bottom of the flange ring (143) is matched with the hose body (142), one surface of the flange ring (143) is matched with the protrusion B (144), the other surface of the flange ring is a fastening surface B, and the included angle between the fastening surface B and the matching surface B is theta/2 degrees.

8. The conduit coupling assembly of claim 7, wherein: an inner lining ring (141) is arranged inside the hose body (142).

9. The conduit coupling assembly of claim 8, wherein: the inner spigot of the connecting end (132) is matched with the lining ring (141), the fastening surface A and the fastening surface B are both matched with the inner surface of the lining (12), and the matching surface A is matched with the matching surface B.