CN113394724B - Anti-bending cable pipe - Google Patents

Anti-bending cable pipe Download PDF

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Publication number
CN113394724B
CN113394724B CN202110711755.2A CN202110711755A CN113394724B CN 113394724 B CN113394724 B CN 113394724B CN 202110711755 A CN202110711755 A CN 202110711755A CN 113394724 B CN113394724 B CN 113394724B
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China
Prior art keywords
groups
deformation
outer tube
bend
wall
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CN202110711755.2A
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CN113394724A (en
Inventor
韩涛
白利军
李维东
王利平
吕颜兵
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Inner Mongolia Bingyu Power Equipment Co ltd
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Inner Mongolia Bingyu Power Equipment Co ltd
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Priority to CN202110711755.2A priority Critical patent/CN113394724B/en
Publication of CN113394724A publication Critical patent/CN113394724A/en
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Publication of CN113394724B publication Critical patent/CN113394724B/en
Priority to ZA2022/05620A priority patent/ZA202205620B/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/04Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H02G3/0462Tubings, i.e. having a closed section
    • H02G3/0481Tubings, i.e. having a closed section with a circular cross-section
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Indoor Wiring (AREA)

Abstract

The invention relates to the technical field of cable pipes, in particular to an anti-bending cable pipe, which comprises: the outer wall circumference of the inner pipe is provided with four groups of deformation grooves at equal intervals, and the four groups of deformation grooves are distributed in an array manner along the axial direction of the inner pipe; the connecting blocks are arranged in four groups, are circumferentially and equidistantly distributed on the outer wall of the inner pipe, are arranged on the central lines of two groups of deformation grooves adjacent to the circumference, and are elastic blocks; through the four group deformation grooves that the equidistance was seted up, when transversely and vertically bending the inner tube, inner tube extrusion deformation groove produced the bending, and the connecting strength between outer tube and the inner tube can be strengthened to the connecting block, and provides the deformation space of outer tube through the interval between the connecting block for outer tube and inner tube carry out synchronous bending, and the anti deformation subassembly of setting strengthens the resilience of inner tube and outer tube.

Description

Anti-bending cable pipe
Technical Field
The invention relates to the technical field of cable pipes, in particular to an anti-bending cable pipe.
Background
The cable protection pipe is also called as a cable pipe, a power cable pipe, a cement cable pipe, a power calandria, a power cable protection pipe and the like, the cable is externally wrapped by the protection pipe, so that a core wire is prevented from being in a loose state, the core wire is high in flexibility and easy to bend, and lateral pressure generated by bending possibly causes deterioration of transmission performance, so that excessive bending needs to be prevented, and meanwhile, bending in a reasonable range is required due to installation requirements.
Among the prior art, adopt generally to set up the concave-convex structure of annular cutting in the periphery of protective sheath and obtain the effect of preventing excessive bending, but above-mentioned structure produces after the bending repeatedly easily and warp and inefficacy, and the recovery ability is relatively poor, and can't realize that the protection tube axial wrench movement is crooked to can't satisfy user diversified user demand gradually.
Disclosure of Invention
The invention aims to solve the defects that the prior art is poor in recovery capability and cannot realize axial twisting bending of a protection pipe, and the like, and provides a bending-resistant cable pipe.
In order to achieve the purpose, the invention adopts the following technical scheme:
designing a bend-resistant electrical cable conduit comprising:
the outer wall circumference of the inner pipe is provided with four groups of deformation grooves at equal intervals, and the four groups of deformation grooves are distributed in an array manner along the axial direction of the inner pipe;
the connecting blocks are arranged in four groups, are circumferentially and equidistantly distributed on the outer wall of the inner pipe, are arranged on the central lines of two groups of deformation grooves adjacent to the circumference, and are elastic blocks;
the anti-deformation assembly is fixedly arranged between two adjacent groups of the connecting blocks which are distributed along the axial direction and comprises an elastic rod, a notch is formed in the bottom of the elastic rod, an arc-shaped connecting piece is fixedly connected between two side walls of the notch and bends towards one side of the inner pipe, and the arc-shaped connecting piece is an elastic body;
the auxiliary supporting piece is fixedly arranged between the bottom of the arc-shaped connecting piece and the outer wall of the inner pipe;
the outer tube is sleeved on the outer sides of the four groups of connecting blocks, and the inner wall of the outer tube is fixedly connected with the connecting blocks.
Preferably, the two side walls of the connecting block are provided with extrusion grooves for providing axial bending of the connecting block.
Preferably, the extrusion groove is in a trapezoidal or V-shaped structure.
Preferably, the auxiliary supporting piece comprises a rubber column fixedly installed at the bottom of the arc-shaped connecting piece, and a deformation groove used for providing deformation of the rubber column is formed in the end face of the rubber column along the axial direction.
Preferably, still include the reinforcement, the reinforcement is provided with four groups, and the circumference equidistance distributes on the inner wall of outer tube, four groups the reinforcement has the multiunit along the axial array distribution of outer tube, the reinforcement is the elastomer.
Preferably, the reinforcing member is of an X-shaped structure, the lower opening of the reinforcing member is arranged right above the deformation groove, and the bottom of the reinforcing member is in lap joint with the outer wall of the inner pipe.
Preferably, four groups of indication strips are circumferentially and equidistantly distributed on the outer wall of the outer tube and are arranged right above the central line of the plurality of groups of axially arranged deformation grooves.
Preferably, the outer tube is made of a resin material.
Preferably, a plurality of groups of elastic tensile wires are embedded in the outer tube, and the elastic tensile wires are arranged in the outer tube in a spiral structure.
Preferably, the arc-shaped connecting piece is integrally formed with the elastic rod.
The anti-bending cable pipe provided by the invention has the beneficial effects that: through the four group deformation grooves that the equidistance was seted up, when horizontal and vertically bending the inner tube, inner tube extrusion deformation groove produces the bending, the connecting strength between outer tube and the inner tube can be strengthened to the connecting block, and the interval through between the connecting block provides the deformation space of outer tube, make outer tube and inner tube carry out synchronous bending, the anti deformation subassembly that sets up strengthens the resilience of inner tube and outer tube, because the arc connecting piece is the arc structure, consequently when two sets of connecting blocks extrude relatively, can make the one side bending of elastic rod to the inner tube, thereby the problem of elastic rod outer bend bracing expansion outer tube has been avoided.
Drawings
Fig. 1 is a schematic structural diagram of a bending-resistant cable duct according to the present invention;
FIG. 2 is a schematic view of an inner tube structure of a bending-resistant cable tube according to the present invention;
fig. 3 is an enlarged schematic structural diagram of a region a of a bending-resistant cable tube according to the present invention;
FIG. 4 is a schematic view of an auxiliary supporting member for a bending-resistant cable duct according to the present invention;
FIG. 5 is a schematic structural view of a reinforcing member of a bending-resistant cable duct according to the present invention;
fig. 6 is a front view of a bending-resistant cable duct according to the present invention;
fig. 7 is a schematic structural view between an outer pipe and an inner pipe of a bending-resistant cable tube according to the present invention;
fig. 8 is a perspective view of a bending-resistant cable duct according to the present invention.
In the figure: 1. an inner tube; 2. a deformation groove; 3. connecting blocks; 4. a deformation resistant component; 401. an elastic rod; 402. a notch; 403. an arc-shaped connecting piece; 5. an auxiliary support; 501. glue columns; 502. a deformation groove; 6. an outer tube; 7. extruding a groove; 8. a reinforcement; 9. an elastic tensile wire; 10. an indicator strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a bend-resistant electrical conduit, comprising: the outer wall circumference of the inner tube 1 is provided with four groups of deformation grooves 2 at equal intervals, and the four groups of deformation grooves 2 are distributed in an array manner along the axial direction of the inner tube 1; the connecting blocks 3 are arranged in four groups, are circumferentially and equidistantly distributed on the outer wall of the inner pipe 1, are arranged on the central lines of two groups of deformation grooves 2 adjacent to the circumference, and are elastic blocks; the anti-deformation assembly 4 is fixedly arranged between two adjacent groups of the connecting blocks 3 which are distributed along the axial direction, the anti-deformation assembly 4 comprises an elastic rod 401, a notch 402 is formed in the bottom of the elastic rod 401, an arc-shaped connecting piece 403 is fixedly connected between two side walls of the notch 402, and the arc-shaped connecting piece 403 and the elastic rod 401 are integrally formed;
the inside of outer tube 6 is embedded to have multiunit elasticity anti-act wire 9, and elasticity anti-act wire 9 is the helical structure setting in the inside of outer tube 6, has strengthened the self resilience of outer tube 6 through the anti-act wire 9 of elasticity that sets up, and the anti-act wire 9 of elasticity is the helical structure setting to the restoring force of outer tube 6 when axial bending has been strengthened.
Referring to fig. 4, the arc-shaped connection member 403 is bent toward one side of the inner tube 1, and the arc-shaped connection member 403 is an elastic body; the auxiliary supporting piece 5 is fixedly arranged between the bottom of the arc-shaped connecting piece 403 and the outer wall of the inner pipe 1; the outer tube 6 is sleeved on the outer sides of the four groups of connecting blocks 3, the inner wall of the outer tube 6 is fixedly connected with the connecting blocks 3, and the outer tube 6 is made of resin materials.
Four sets of deformation grooves 2 seted up through the equidistance, transversely and when vertically bending inner tube 1, 1 extrusion deformation groove 2 of inner tube produces the bending, connecting block 3 can strengthen the joint strength between outer tube 6 and the inner tube 1, and the interval through between connecting block 3 provides the deformation space of outer tube 6, make outer tube 6 and inner tube 1 carry out synchronous bending, the anti deformation subassembly 4 that sets up strengthens inner tube 1 and outer tube 6's resilience, because arc connecting piece 403 is the arc structure, consequently when 3 relative extrusions of two sets of connecting blocks, can make the crooked one side of elastic rod 401 to inner tube 1, thereby avoided the outward bend of elastic rod 401 to prop the problem that rises outer tube 6.
All offer the extrusion groove 7 that is used for providing 3 axial bending of connecting block on the both sides wall of connecting block 3, extrusion groove 7 is trapezoidal or V type structure, makes outer tube 6 have certain axial bending ability through the extrusion groove 7 that sets up, and when wrench movement outer tube 6, outer tube 6 drives connecting block 3 rotatory for connecting block 3 is continuous extrudees to one side of extrusion groove 7.
Supplementary support piece 5 includes that fixed mounting has the gluey post 501 in arc connecting piece 403 bottom, glues and offers along the axial on the terminal surface of post 501 to be used for providing the deformation groove 502 that gluey post 501 produced deformation, and the gluey post 501 that sets up is used for strengthening the resilience of arc connecting piece 403 to make this cable duct can reset after the bending.
Referring to fig. 5-6, still include stiffener 8, stiffener 8 is provided with four groups, and the circumference equidistance distributes on the inner wall of outer tube 6, and four groups of stiffeners 8 distribute along the axial array of outer tube 6 has the multiunit, and stiffener 8 is the elastomer, and stiffener 8 is X type structure, and the lower part opening setting of stiffener 8 is directly over deformation groove 2, and the bottom of stiffener 8 and the outer wall overlap joint of inner tube 1.
The intensity between outer tube 6 and inner tube 1 has further been strengthened to the reinforcement 8 of setting, and reinforcement 8 sets up between the adjacent two sets of connecting blocks 3 of circumference, and reinforcement 8 is X type structure to make outer tube 6 provide certain resilience ability when the bending.
Referring to fig. 7-8, four sets of indication strips 10 are circumferentially and equidistantly distributed on the outer wall of the outer tube 6, the indication strips 10 are directly above the central line of the plurality of sets of deformation grooves 2 which are axially arranged, and the arranged indication strips 10 are convenient for prompting the positions of the deformation grooves 2, so that the protection tube can be accurately bent at the deformation grooves 2.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. A bend-resistant electrical conduit, comprising:
the outer wall circumference of the inner pipe (1) is provided with four groups of deformation grooves (2) at equal intervals, and the four groups of deformation grooves (2) are distributed in an array manner along the axial direction of the inner pipe (1);
the connecting blocks (3) are arranged in four groups, are circumferentially and equidistantly distributed on the outer wall of the inner pipe (1), are arranged on the central lines of two groups of deformation grooves (2) adjacent to the circumference, and are elastic blocks;
the anti-deformation assembly (4) is fixedly arranged between two adjacent groups of the connecting blocks (3) which are distributed along the axial direction, the anti-deformation assembly (4) comprises an elastic rod (401), a notch (402) is formed in the bottom of the elastic rod (401), an arc-shaped connecting piece (403) is fixedly connected between two side walls of the notch (402), the arc-shaped connecting piece (403) bends towards one side of the inner pipe (1), and the arc-shaped connecting piece (403) is an elastic body;
the auxiliary supporting piece (5) is fixedly arranged between the bottom of the arc-shaped connecting piece (403) and the outer wall of the inner pipe (1);
the outer tube (6) is sleeved on the four groups of outer sides of the connecting blocks (3), and the inner wall of the outer tube (6) is fixedly connected with the connecting blocks (3).
2. The bend-resistant electrical conduit according to claim 1, wherein: extrusion grooves (7) used for providing axial bending of the connecting blocks (3) are formed in the two side walls of the connecting blocks (3).
3. A bend-resistant electrical conduit according to claim 2, wherein: the extrusion groove (7) is in a trapezoidal or V-shaped structure.
4. The bend-resistant electrical conduit according to claim 1, wherein: the auxiliary supporting piece (5) comprises a rubber column (501) fixedly installed at the bottom of the arc-shaped connecting piece (403), and a deformation groove (502) used for providing deformation of the rubber column (501) is formed in the end face of the rubber column (501) along the axial direction.
5. The bend-resistant electrical conduit according to claim 1, wherein: still include reinforcement (8), reinforcement (8) are provided with four groups, and the circumference equidistance distributes on the inner wall of outer tube (6), four groups reinforcement (8) have the multiunit along the axial array distribution of outer tube (6), reinforcement (8) are the elastomer.
6. The bend-resistant electrical conduit according to claim 5, wherein: the reinforcing piece (8) is of an X-shaped structure, an opening in the lower portion of the reinforcing piece (8) is arranged right above the deformation groove (2), and the bottom of the reinforcing piece (8) is in lap joint with the outer wall of the inner pipe (1).
7. The bend-resistant electrical conduit according to claim 1, wherein: four groups of indication strips (10) are distributed on the outer wall of the outer pipe (6) in a circumferential and equal-distance mode, and the indication strips (10) are distributed right above the central line of each group of deformation grooves (2) formed in the circumferential mode along the axial array of the outer pipe (6).
8. The bend-resistant electrical conduit according to claim 1, wherein: the outer tube (6) is made of resin materials.
9. The bend-resistant electrical conduit according to claim 1, wherein: the internal of outer tube (6) is embedded to have multiunit elasticity to resist and draw line (9), elasticity is tensile line (9) and is the helical structure setting and is in the inside of outer tube (6).
10. A bend-resistant electrical conduit according to any one of claims 1 to 9, wherein: the arc-shaped connecting piece (403) and the elastic rod (401) are integrally formed.
CN202110711755.2A 2021-06-25 2021-06-25 Anti-bending cable pipe Active CN113394724B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202110711755.2A CN113394724B (en) 2021-06-25 2021-06-25 Anti-bending cable pipe
ZA2022/05620A ZA202205620B (en) 2021-06-25 2022-05-23 Anti-bending cable tube

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Application Number Priority Date Filing Date Title
CN202110711755.2A CN113394724B (en) 2021-06-25 2021-06-25 Anti-bending cable pipe

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CN113394724A CN113394724A (en) 2021-09-14
CN113394724B true CN113394724B (en) 2022-04-26

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113904294B (en) * 2021-09-29 2023-02-21 深圳市骏鼎达新材料股份有限公司 Cable protection pipe

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CN104023616A (en) * 2012-08-24 2014-09-03 奥林巴斯医疗株式会社 Curved tube for endoscope
CN204156447U (en) * 2014-08-25 2015-02-11 杭州浩飞管业有限公司 A kind of terminal of cable protection pipe
CN205467584U (en) * 2016-02-02 2016-08-17 台州市峰源卫浴有限公司 Quan luoguan
CN208589730U (en) * 2018-06-26 2019-03-08 黄少邱 A kind of protection sleeve pipe for preventing wire and cable from damaging
CN210200843U (en) * 2019-07-17 2020-03-27 张静 Lithium battery center tube structure
CN210510624U (en) * 2019-05-17 2020-05-12 无锡中吉泰电气科技有限公司 Non-contact flange
CN111987663A (en) * 2020-09-03 2020-11-24 安徽恒振电力科技有限公司 Anti-bending cable protection pipe
CN212626937U (en) * 2020-05-22 2021-02-26 江苏汇邦工业技术有限公司 High-strength PVC cable protection pipe
CN212716487U (en) * 2020-07-03 2021-03-16 苏州希倍优辊轮有限公司 Slip type anti-bending protection device for flexible pipe cable

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CN104023616A (en) * 2012-08-24 2014-09-03 奥林巴斯医疗株式会社 Curved tube for endoscope
CN204156447U (en) * 2014-08-25 2015-02-11 杭州浩飞管业有限公司 A kind of terminal of cable protection pipe
CN205467584U (en) * 2016-02-02 2016-08-17 台州市峰源卫浴有限公司 Quan luoguan
CN208589730U (en) * 2018-06-26 2019-03-08 黄少邱 A kind of protection sleeve pipe for preventing wire and cable from damaging
CN210510624U (en) * 2019-05-17 2020-05-12 无锡中吉泰电气科技有限公司 Non-contact flange
CN210200843U (en) * 2019-07-17 2020-03-27 张静 Lithium battery center tube structure
CN212626937U (en) * 2020-05-22 2021-02-26 江苏汇邦工业技术有限公司 High-strength PVC cable protection pipe
CN212716487U (en) * 2020-07-03 2021-03-16 苏州希倍优辊轮有限公司 Slip type anti-bending protection device for flexible pipe cable
CN111987663A (en) * 2020-09-03 2020-11-24 安徽恒振电力科技有限公司 Anti-bending cable protection pipe

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Inventor after: Han Tao

Inventor after: Bai Lijun

Inventor after: Li Weidong

Inventor after: Wang Liping

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