CN216555860U - Metal hose joint assembly - Google Patents
Metal hose joint assembly Download PDFInfo
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- CN216555860U CN216555860U CN202121527881.4U CN202121527881U CN216555860U CN 216555860 U CN216555860 U CN 216555860U CN 202121527881 U CN202121527881 U CN 202121527881U CN 216555860 U CN216555860 U CN 216555860U
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- tube
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- metal hose
- plastic
- joint
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Abstract
The utility model discloses a metal hose joint component, which relates to the technical field of pipeline connection and comprises a plastic-coated metal hose and a metal joint, wherein a supporting tube is arranged in one end of the plastic-coated metal hose, an elastic sealing tube is arranged between the supporting tube and the plastic-coated metal hose, one end of the metal joint is fixedly connected with a buckling and pressing barrel, the buckling and pressing barrel is sleeved on the periphery of the plastic-coated metal hose and used for buckling and pressing the plastic-coated metal hose and the elastic sealing tube on the peripheral wall of the supporting tube, and a convex ring extending along the peripheral direction of the supporting tube is arranged on the peripheral wall of the supporting tube. So set up, withhold a section of thick bamboo, package and mould metal collapsible tube and elasticity sealing tube and all compress tightly on the outer wall of stay tube, can prevent that the stay tube from deviating from metal collapsible tube joint subassembly, and then prevent to wrap and mould and break away from between metal collapsible tube and the metal joint, the metal collapsible tube structure subassembly can also be ensured to elasticity sealing tube's sealed has better leakproofness.
Description
Technical Field
The utility model relates to the technical field of pipeline connection, in particular to a metal hose joint assembly.
Background
The plastic-coated metal hose has good flexibility, corrosion resistance, high temperature resistance and abrasion resistance, and is generally used as a protective pipe for electric wires, cables and the like, and the specification of the plastic-coated metal hose is from 6mm to 150 mm. The ultra-small-diameter plastic-coated metal hose (the inner diameter is 3mm-25mm) is mainly used for protecting precise optical sensing lines and industrial sensor lines.
At present, when a plastic-coated metal hose is fixed with a connector, a nut sleeve is required to be arranged at one end of the plastic-coated metal hose, the end part of the plastic-coated metal hose is sleeved on a stainless steel sleeve, the stainless steel sleeve is arranged between the nut and the connector, and the nut is screwed to be firmly connected with the connector, so that the plastic-coated metal hose is connected to the connector. However, the nut is easy to loosen in the connection mode, so that the plastic-coated metal hose is disconnected from the connector, and the sealing performance between the plastic-coated metal hose and the connector is poor.
Therefore, how to solve the problems that the plastic-coated metal hose and the connector in the prior art are not firmly connected and are easy to separate, and the sealing performance between the plastic-coated metal hose and the connector is poor becomes an important technical problem to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a metal hose joint component which solves the problems that a plastic-coated metal hose and a joint in the prior art are not firmly connected and are easy to separate, and the sealing property between the plastic-coated metal hose and the joint is poor. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the utility model are described in detail in the following.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a metal hose joint component which comprises a plastic-coated metal hose and a metal joint, wherein a supporting tube is arranged in one end of the plastic-coated metal hose, an elastic sealing tube is arranged between the supporting tube and the plastic-coated metal hose, one end of the metal joint is fixedly connected with a buckling and pressing tube, the buckling and pressing tube is sleeved on the periphery of the plastic-coated metal hose and used for buckling and pressing the plastic-coated metal hose and the elastic sealing tube on the peripheral wall of the supporting tube, and a convex ring extending along the peripheral direction of the supporting tube is arranged on the peripheral wall of the supporting tube.
Preferably, the end of the supporting tube is provided with a flange, the flange is turned towards the direction far away from the central shaft of the supporting tube, the inner wall of the buckling cylinder or the inner wall of the metal joint is provided with a positioning groove extending along the circumferential direction, and the flange extends into the positioning groove.
Preferably, the buckling cylinder and the metal joint are of an integral structure.
Preferably, the elastic sealing tube is a silicone tube, the supporting tube is a metal tube, and the elastic sealing tube is in interference fit with the supporting tube.
Preferably, a plurality of convex rings arranged at intervals are arranged on the outer peripheral wall of the supporting tube.
According to the technical scheme, the metal hose joint component comprises a plastic-coated metal hose, an elastic sealing pipe, a supporting pipe, a buckling and pressing barrel and a metal joint, the elastic sealing pipe is sleeved on the outer peripheral wall of the supporting pipe, the plastic-coated metal hose is sleeved on the outer periphery of the elastic sealing pipe, the buckling and pressing barrel is fixedly connected to one end of the metal joint and sleeved on the outer periphery of the end portion of the plastic-coated metal hose, the buckling and pressing barrel is buckled and pressed through a buckling and pressing machine to perform pipe contracting operation, the plastic-coated metal hose and the elastic sealing pipe are buckled and pressed on the outer peripheral wall of the supporting pipe through the buckling and pressing barrel, and a convex ring extending along the circumferential direction of the convex ring is arranged on the outer peripheral wall of the supporting pipe. According to the arrangement, the plastic-coated metal hose is deformed under pressure during the buckling process of the buckling machine, the ripple fluctuation of the pipe wall is reduced, the plastic-coated metal hose extrudes the elastic sealing pipe, the elastic sealing pipe is elastically deformed, the inner wall surface of the elastic sealing pipe is seamlessly attached to the outer wall surface of the supporting pipe, the outer wall surface of the elastic sealing pipe is seamlessly attached to the inner wall surface of the plastic-coated metal hose, the friction between the elastic sealing pipe and the supporting pipe is increased by the convex ring of the outer wall surface of the supporting pipe, the elastic sealing pipe is extruded between the plastic-coated metal hose and the supporting pipe, the supporting pipe can be prevented from being separated from the metal hose joint assembly, the plastic-coated metal hose and the metal joint are prevented from being separated, and the buckling of the buckling machine and the sealing of the elastic sealing pipe can ensure that the metal hose structure assembly has better sealing performance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a metal hose coupler assembly according to an embodiment of the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
In the figure:
1-plastic-coated metal hose, 2-support tube, 21-flanging, 22-convex ring, 3-elastic sealing tube, 4-metal joint, 5-fastening cylinder and 51-positioning groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
An object of this embodiment is to provide a metal collapsible tube joint subassembly, solve the package among the prior art and mould insecure, easily take place to break away from between metal collapsible tube and the connector, and the not good problem of leakproofness between the two.
Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below are not intended to limit the scope of the present invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the utility model described in the claims.
Referring to fig. 1 and 2, in the present embodiment, the metal hose joint assembly includes a plastic-coated metal hose 1, an elastic sealing tube 3, a supporting tube 2, a buckling tube 5 and a metal joint 4. The elastic sealing tube 3 is sleeved on the peripheral wall of the supporting tube 2, the end part of the plastic-coated metal hose 1 is sleeved on the periphery of the elastic sealing tube 3, the buckling and pressing cylinder 5 is fixedly connected with the end part of the metal connector 4, and the buckling and pressing cylinder 5 is sleeved on the periphery of the end part of the plastic-coated metal hose 1. That is, the metal hose joint assembly is sequentially sleeved with the supporting tube 2, the elastic sealing tube 3, the plastic-coated metal hose 1 and the buckling and pressing cylinder 5 from inside to outside, and the metal joint 4 is connected to one end, close to the port of the plastic-coated metal hose 1, of the buckling and pressing cylinder 5. The outer peripheral wall of the support tube 2 is provided with a collar 22 extending circumferentially thereof. The buckling tube 5 is pressed by the buckling machine to perform tube shrinking operation, so that the buckling tube 5, the plastic-coated metal hose 1 and the elastic sealing tube 3 are all tightly pressed on the peripheral wall of the supporting tube 2, and the metal joint 4 and the plastic-coated metal hose 1 are tightly connected.
Withhold the in-process of machine at withholding, withhold 5 when producing deformation, the extrusion package moulds metal collapsible tube 1 and takes place deformation, make the ripple fluctuation of package moulding metal collapsible tube 1 pipe wall reduce, package moulding metal collapsible tube 1 extrusion elastic sealing tube 3, make elastic sealing tube 3 produce elastic deformation, seamless laminating between its inner wall face and the outer wall face of stay tube 2, seamless laminating between its outer wall face and the internal face of package moulding metal collapsible tube 1, elastic sealing tube 3 and the contact surface of package moulding metal collapsible tube 1, elastic sealing tube 3 all forms unsmooth structure of agreeing with the contact surface of stay tube 2, make to connect more firmly between each part of metal collapsible tube joint subassembly, and the leakproofness is better. So set up, can prevent that stay tube 2 from deviating from in the metal collapsible tube joint subassembly, and then prevent to break away from between plastic-coated metal collapsible tube 1 and the metal joint 4, the withhold of withholding machine and the sealed homoenergetic of elastic sealing tube 3 can guarantee that metal collapsible tube joint subassembly has better leakproofness. If the elastic sealing tube 3 and the convex ring 22 are not arranged, the plastic-coated metal hose 1 is directly pressed on the outer peripheral wall of the supporting tube 2, the supporting tube 2 is not deformed during buckling, the outer peripheral wall of the supporting tube 2 is smooth, an annular space is inevitably formed between the inner wall surface of the plastic-coated metal hose 1 and the outer wall surface of the supporting tube 2, the supporting tube 2 is likely to be separated after long-term use, and the plastic-coated metal hose 1 is further separated from the metal joint 4.
In a preferred embodiment of the present invention, a flange 21 is provided at one end of the support tube 2 near the end of the plastic coated metal hose 1, the flange 21 is folded in a direction away from the central axis of the support tube 2, the flange 21 is similar to a structure in which an annular disc is provided at the end of the support tube 2, and the center of the annular disc is located on the central axis of the support tube 2. The inner wall of the buckling barrel 5 or the inner wall of the metal joint 4 is provided with a positioning groove 51 extending along the circumferential direction, and the flanging 21 extends into the positioning groove 51. Preferably, the positioning groove 51 is provided on the inner wall of the crimping barrel 5 and extends circumferentially on the inner wall of the crimping barrel 5. The height of the flange 21 in the radial direction of the support tube 2 is larger than the sum of the tube wall thicknesses of the plastic-coated metal hose 1 and the elastic sealing tube 3.
According to the arrangement, in the buckling and pressing process, the flanging 21 is aligned to the positioning groove 51 and then buckled and pressed, so that the sleeving position of the buckling and pressing cylinder 5 on the periphery of the plastic-coated metal hose 1 is determined; after the buckling, the turned-over edge 21 extends into the positioning groove 51, so as to further prevent the support tube 2 from being separated from the inside of the plastic-coated metal hose 1 in the using process.
In the present embodiment, the crimping barrel 5 and the metal fitting 4 are of an integral structure. Specifically, in some embodiments, the crimping barrel 5 and the metal joint 4 are made of the same material, and are cast into an integral structure through a mold in the process of manufacturing; in other embodiments, the crimping barrel 5 and the metal joint 4 are welded into a whole structure by full welding. So set up, can ensure that metal collapsible tube joint subassembly has higher intensity and leakproofness, be favorable to prolonging metal collapsible tube joint subassembly's life.
In a preferred embodiment of this embodiment, the elastic sealing tube 3 is a silicone tube, which has elasticity and stable chemical properties. The supporting tube 2 and the buckling and pressing cylinder 5 are made of metal, and the elastic sealing tube 3 and the supporting tube 2 are in interference fit, so that the firmness and the tightness of connection are ensured.
Furthermore, a plurality of protruding rings 22 are disposed at intervals on the outer circumferential wall of the support tube 2. With the arrangement, the friction force between the support tube 2 and the elastic sealing tube 3 is improved by the arrangement of the convex rings 22, and a plurality of concave-convex fitting structures are formed on the contact surface between the support tube 2 and the elastic sealing tube 3, so that the support tube 2 and the elastic sealing tube 3 are firmly connected and have high sealing performance.
The following will specifically describe the metal hose joint assembly in conjunction with the above embodiments, in this embodiment, the metal hose joint assembly includes a plastic-coated metal hose 1, a silicone tube, a support tube 2, a buckling tube 5 and a metal joint 4. The silicone tube is sleeved on the peripheral wall of the support tube 2 and is in interference fit with the support tube, the end part of the plastic-coated metal hose 1 is sleeved on the periphery of the silicone tube, the buckling and pressing cylinder 5 is fixedly connected with the end part of the metal connector 4, and the buckling and pressing cylinder 5 is sleeved on the periphery of the end part of the plastic-coated metal hose 1. The outer peripheral wall of the support tube 2 is provided with a plurality of spaced apart collars 22 extending circumferentially thereof. One end of the support tube 2 close to the port of the plastic-coated metal hose 1 is provided with a flange 21, the flange 21 is turned over towards the direction far away from the central shaft of the support tube 2, the inner wall of the buckling and pressing cylinder 5 is provided with a positioning groove 51 extending along the circumferential direction, and the flange 21 extends into the positioning groove 51. The height of the flange 21 in the radial direction of the support tube 2 is larger than the sum of the tube wall thicknesses of the plastic-coated metal hose 1 and the silicone tube. The buckling cylinder 5 and the metal joint 4 are cast into an integral structure.
So set up, through the effect of a knot pressure section of thick bamboo 5 application of withholding the press for withholding a section of thick bamboo 5, the package is moulded metal collapsible tube 1, silicone tube and all extrudeing on the periphery wall of stay tube 2, and cooperate between turn-ups 21 and the constant head tank 51, all can prevent that stay tube 2 from deviating from in the package is moulded metal collapsible tube 1, ensures that package moulds fastness and the leakproofness of being connected between metal collapsible tube 1 and the metal joint 4.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments. The multiple schemes provided by the utility model comprise basic schemes, are independent from each other and are not restricted with each other, but can be combined with each other under the condition of no conflict, so that multiple effects are realized together.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (5)
1. The utility model provides a metal collapsible tube connects subassembly, moulds metal collapsible tube (1) and metal joint (4) including the package, its characterized in that, establish in the one end of package moulding metal collapsible tube (1) stay tube (2), stay tube (2) with it moulds to package and is equipped with elasticity sealing tube (3) between metal collapsible tube (1), the one end fixed connection of metal joint (4) withholds a section of thick bamboo (5), withhold a section of thick bamboo (5) cover and establish the periphery of package moulding metal collapsible tube (1), be used for with package moulding metal collapsible tube (1) with elasticity sealing tube (3) withhold on the periphery wall of stay tube (2), be equipped with bulge loop (22) along its circumference extension on the periphery wall of stay tube (2).
2. The metal hose joint assembly according to claim 1, wherein the end of the support tube (2) is provided with a flange (21), the flange (21) is folded in a direction away from the central axis of the support tube (2), the inner wall of the buckling tube (5) or the inner wall of the metal joint (4) is provided with a positioning groove (51) extending along the circumferential direction, and the flange (21) extends into the positioning groove (51).
3. The metal hose joint assembly according to claim 1, wherein the crimping barrel (5) is of unitary construction with the metal joint (4).
4. The metal hose joint assembly according to claim 1, wherein the elastic sealing tube (3) is a silicone tube, the support tube (2) is a metal tube, and the elastic sealing tube (3) and the support tube (2) are in interference fit.
5. The metal hose joint assembly according to claim 1, wherein said support tube (2) is provided at its outer peripheral wall with a plurality of said collars (22) arranged at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121527881.4U CN216555860U (en) | 2021-07-06 | 2021-07-06 | Metal hose joint assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121527881.4U CN216555860U (en) | 2021-07-06 | 2021-07-06 | Metal hose joint assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216555860U true CN216555860U (en) | 2022-05-17 |
Family
ID=81536076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121527881.4U Active CN216555860U (en) | 2021-07-06 | 2021-07-06 | Metal hose joint assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216555860U (en) |
-
2021
- 2021-07-06 CN CN202121527881.4U patent/CN216555860U/en active Active
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