CN112596178B - Butterfly-shaped drop cable capable of preventing biting - Google Patents

Butterfly-shaped drop cable capable of preventing biting Download PDF

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Publication number
CN112596178B
CN112596178B CN202011509673.1A CN202011509673A CN112596178B CN 112596178 B CN112596178 B CN 112596178B CN 202011509673 A CN202011509673 A CN 202011509673A CN 112596178 B CN112596178 B CN 112596178B
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butterfly
protective wall
wall body
shaped
extending
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CN112596178A (en
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黄武勤
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SUZHOU SHENGXIN OPTOELECTRONICS TECHNOLOGY Co.,Ltd.
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Suzhou Shengxin Optoelectronics Technology Co ltd
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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Means specially adapted for strengthening or protecting the cables
    • G02B6/443Protective covering
    • G02B6/4432Protective covering with fibre reinforcements
    • G02B6/4433Double reinforcement laying in straight line with optical transmission element
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4415Cables for special applications
    • G02B6/4427Pressure resistant cables, e.g. undersea cables
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Means specially adapted for strengthening or protecting the cables
    • G02B6/443Protective covering

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

The application belongs to the technical field of optical cables, and relates to an anti-biting butterfly-shaped leading-in optical cable which is provided with two second protective shells (2) and a butterfly-shaped leading-in unit (3); the method is characterized in that: the second protective shell (2) is composed of a third protective wall body (21), a fourth protective wall body (22), a third extending body (23), a fifth protective wall body (24), a fourth extending body (221), a fifth extending body (241) and a third clamping body (242); the method is characterized in that: the second protective shell has a special structure; the butterfly-shaped introduction unit is positioned in the accommodating cavity. The invention has the following main beneficial effects: the butterfly-shaped lead-in unit is more convenient to replace, inspect and connect; the anti-pressing, anti-knocking and anti-engagement performance is better.

Description

Butterfly-shaped drop cable capable of preventing biting
Technical Field
The invention belongs to the technical field of optical cables, and particularly relates to a butterfly-shaped drop optical cable capable of preventing biting.
Background
The butterfly-shaped leading-in optical cable in the prior art is difficult to replace and inspect when being damaged, and has poor pressure, shock and tooth resistance; inconvenience the user and economic loss and compensation.
CN211878255U discloses a general butterfly-shaped introducing cable in many scenes, its characterized in that includes: the butterfly-shaped optical cable component is sleeved in the outer sheath, wherein at least two optical cable reinforcing parts are embedded in the outer sheath, the cross section of each optical cable reinforcing part is arc-shaped, and the arc top is arranged outwards.
CN210666136U discloses a butterfly-shaped drop cable for pipeline, which has a butterfly-shaped drop unit, two outer reinforcements located at two sides of the butterfly-shaped drop unit, and an outer sheath located outside the butterfly-shaped drop unit and the outer reinforcements; the butterfly-shaped lead-in unit consists of an optical unit, inner reinforcements positioned on the upper side and the lower side of the optical unit and an inner protection layer covering the optical unit and the inner reinforcements, wherein the left side surface and the right side surface of the inner protection layer are planes; the inner side surfaces of the two reinforcing units are respectively attached to the left side surface and the right side surface of the inner protection layer; the outer side surfaces of the two reinforcing units and the outermost parts of the upper side surface and the lower side surface of the inner protection layer are on the same cylindrical surface; the outer sheath covers the butterfly-shaped leading-in unit and the two reinforcing units integrally.
CN204178023U discloses communication optical cable technical field, concretely relates to pipeline butterfly-shaped drop cable. The novel butterfly-shaped flame-retardant cable comprises a water-blocking tape, a butterfly-shaped flame-retardant sheath and optical fibers, wherein the optical fibers are arranged in the center of the butterfly-shaped flame-retardant sheath, the water-blocking tape wraps the butterfly-shaped flame-retardant sheath, the long axis direction of the butterfly-shaped flame-retardant sheath is followed, two reinforcing pieces are symmetrically arranged in the butterfly-shaped flame-retardant sheath by taking the optical fibers as centers, the short axis direction of the butterfly-shaped flame-retardant sheath is followed, two opposite V-shaped grooves are formed in the surfaces of the two sides of the butterfly-shaped flame-retardant sheath, the novel butterfly-shaped flame-retardant cable further comprises an outer sheath, a steel belt and an inner sheath which are sequentially arranged from outside to inside, the water-blocking tape wraps the inner sheath, and aramid fiber reinforcing pieces are respectively arranged at the positions of the V-shaped grooves on the two sides.
In the prior art, the butterfly-shaped unit is unstable and unreliable in fixation, and the butterfly-shaped unit has large structural size, more material consumption and high cost; improvements to butterfly drop cables are desired in the industry.
Disclosure of Invention
In order to solve the problems, the invention aims to disclose a butterfly-shaped drop cable capable of preventing biting, which is realized by adopting the following technical scheme.
A butterfly-shaped lead-in optical cable capable of preventing meshing is provided with two first protective shells, two second protective shells and a butterfly-shaped lead-in unit; the method is characterized in that:
the first protective shell is composed of a first protective wall body, a second protective wall body, a first extending body, a second extending body and a first clamping body, the first protective wall body is vertically connected with the second protective wall body, one end of the first protective wall body is connected with one end of the second protective wall body, the second extending body is connected with the lower surface of the other end of the second protective wall body, the first clamping body protrudes out of the left surface of the second protective wall body, the first extending body is vertically connected with the other end of the first protective wall body, the left end of the first extending body is positioned on the left side of the left surface of the first protective wall body, the lower surface of the first extending body is provided with a sunken first clamping groove, and the first protective wall body, the second protective wall body, the first extending body and the second extending body enclose an open first accommodating groove;
the second protective shell is composed of a third protective wall body, a fourth protective wall body, a third extending body, a fourth extending body and a second clamping body, the third protective wall body is vertically connected with the fourth protective wall body, one end of the third protective wall body is connected with one end of the fourth protective wall body, the fourth extending body is connected with the lower surface of the other end of the fourth protective wall body, the right surface of the fourth protective wall body is provided with a concave second clamping groove, the third extending body is vertically connected with the other end of the third protective wall body, the right end of the third protective wall body is positioned on the right side of the right surface of the third protective wall body, the second clamping body protrudes out of the lower surface of the third extending body, and the third protective wall body, the fourth protective wall body, the third extending body and the fourth extending body enclose an open second accommodating groove;
the first clamping body of the first protection shell extends into the second clamping groove of the first second protection shell and realizes splicing of the first clamping body and the second clamping groove, the first clamping body of the second first protection shell extends into the second clamping groove of the second protection shell and realizes splicing of the first clamping body and the second clamping groove, the second clamping body of the second protection shell extends into the first clamping groove of the first protection shell and realizes splicing of the first clamping body and the second clamping groove, the second clamping body of the first second protection shell extends into the first clamping groove of the second first protection shell and realizes splicing of the first clamping body and the second clamping groove, and the two first protection shells and the two second protection shells are spliced to form a closed protection body and an accommodating cavity is formed inside the closed protection body;
the butterfly-shaped introducing unit consists of a butterfly-shaped sheath, a light transmission part and two reinforcing pieces, wherein the light transmission part and the reinforcing pieces are positioned in the butterfly-shaped sheath;
the butterfly-shaped introduction unit is positioned in the accommodating cavity; the second extending body of the first protection shell and the fourth extending body of the first second protection shell are clamped in a vertical tearing opening on the upper edge of the butterfly-shaped sheath, the second extending body of the second first protection shell and the fourth extending body of the second protection shell are clamped in a vertical tearing opening on the lower edge of the butterfly-shaped sheath, the left end of the first extending body of the first protection shell and the right end of the third extending body of the second protection shell are clamped in a horizontal tearing opening on the right edge of the butterfly-shaped sheath, and the left end of the first extending body of the second first protection shell and the right end of the third extending body of the first second protection shell are clamped in a horizontal tearing opening on the left edge of the butterfly-shaped sheath.
The butterfly-shaped drop cable capable of preventing biting is characterized in that the right end of the first extending body protrudes out of the right surface of the first protective wall body.
The butterfly-shaped drop cable capable of preventing biting is characterized in that the left end of the third extending body protrudes out of the left surface of the third protective wall body.
The butterfly-shaped drop cable capable of preventing biting is characterized in that the light transmission part is a single optical fiber.
The butterfly-shaped drop cable capable of preventing biting is characterized in that the light transmission component is an optical fiber ribbon with a plurality of optical fibers; or a plurality of optical fibers.
The butterfly-shaped drop cable capable of preventing biting is characterized in that the right end of the first extending body does not protrude out of the right surface of the first protective wall body, and the left end of the third extending body does not protrude out of the left surface of the third protective wall body.
An anti-bite butterfly drop cable according to any of the embodiments above, wherein the first protective housing is of a unitary construction.
An anti-bite butterfly drop cable according to any of the embodiments above, wherein the second protective housing is of a unitary construction.
An anti-bite butterfly drop cable according to any of the embodiments above, wherein the material of the first protective housing is plastic or steel or iron or aluminum.
An anti-bite butterfly drop cable as in any of the above embodiments wherein the material of the second protective housing is plastic or steel or iron or aluminum.
An anti-bite butterfly-shaped drop cable according to any of the embodiments above, characterized in that the material of the butterfly-shaped sheath is plastic.
An anti-bite butterfly drop cable as in any of the above embodiments wherein the first closure body is bifurcated and an upper portion of the bifurcation is bent upward and a lower portion of the bifurcation is bent downward.
An anti-bite butterfly drop cable as in any of the above embodiments wherein the second engaging body is bifurcated and a portion of the left side of the bifurcation is bent to the left and a portion of the right side of the bifurcation is bent to the right.
The butterfly-shaped drop cable capable of preventing biting is characterized in that the width of the lower part of the first clamping groove is gradually increased upwards, or the width is gradually increased after the lower part is constant.
The butterfly-shaped drop cable capable of preventing biting is characterized in that the width of the second clamping groove in the left direction is gradually increased, or the width of the second clamping groove is constant and then gradually increased.
The invention has the following main beneficial effects: the butterfly-shaped lead-in unit is more convenient to replace, inspect and connect; the anti-pressing, anti-knocking and anti-engagement performance is better.
Drawings
Fig. 1 is a schematic perspective view of a dissected segment of the example 1.
Fig. 2 is a schematic perspective view of the first protective housing used in fig. 1.
Fig. 3 is an enlarged cross-sectional view of fig. 2.
Fig. 4 is a perspective view of the second protective housing used in fig. 1.
Fig. 5 is an enlarged cross-sectional view of fig. 4.
Fig. 6 is a schematic perspective view of a protective body formed by assembling two first protective housings in fig. 2 and two second protective housings in fig. 4.
Fig. 7 is a schematic perspective view of a dissected segment of the example 2.
Fig. 8 is a schematic cross-sectional structure of a first protective case used in practical example 3.
Fig. 9 is a schematic cross-sectional structure of a second protective case used in practical example 3.
Fig. 10 is a schematic cross-sectional view showing a disassembled protective member used in example 4.
Fig. 11 is a schematic cross-sectional view showing a disassembled protective member used in example 5.
In order that those skilled in the art will more accurately and clearly understand and practice the present application, reference is now made to the following descriptions taken in conjunction with the accompanying drawings, in which: 1-a first protective housing, 10-a first receiving groove, 11-a first protective wall body, 12-a second protective wall body, 13-a first extending body, 121-a second extending body, 122-a first engaging body, 131-a first engaging groove, 2-a second protective housing, 20-a second receiving groove, 21-a third protective wall body, 22-a fourth protective wall body, 23-a third extending body, 24-a fifth protective wall body, 25-an outer tearing opening, 221-a fourth extending body, 222-a second engaging groove, 231-a second engaging body, 3-a butterfly introducing unit, 31-a butterfly sheath, 32-a light transmitting member, 33-a reinforcing member, 34-a horizontal tearing opening, 35-a vertical tearing opening, 200-a third receiving groove, 241-a fifth extending body, 242-a third engaging body.
Detailed Description
Examples 1
Referring to fig. 1 to 6, an anti-seizing butterfly-shaped drop cable comprises two first protective housings 1, two second protective housings 2, and a butterfly-shaped drop unit 3; the method is characterized in that:
the first protective casing 1 is composed of a first protective wall body 11, a second protective wall body 12, a first extending body 13, a second extending body 121 and a first engaging body 122, the first protective wall body 11 is vertically connected with the second protective wall body 12, one end of the first protective wall body 11 is connected with one end of the second protective wall body 12, the second extending body 121 is connected with the lower surface of the other end of the second protective wall body 12, the first engaging body 122 protrudes out of the left surface of the second protective wall body 12, the first extending body 13 is vertically connected with the other end of the first protective wall body 11, the left end of the first extending body 13 is positioned on the left side of the left surface of the first protective wall body 11, the lower surface of the first extending body 13 is provided with a concave first engaging groove 131, and the first protective wall body 11, the second protective wall body 12, the first extending body 13 and the second extending body 121 enclose an open first accommodating groove 10;
the second protective casing 2 is composed of a third protective wall body 21, a fourth protective wall body 22, a third extending body 23, a fourth extending body 221 and a second engaging body 231, the third protective wall body 21 is vertically connected with the fourth protective wall body 22, one end of the third protective wall body 21 is connected with one end of the fourth protective wall body 22, the fourth extending body 221 is connected with the lower surface of the other end of the fourth protective wall body 22, the right surface of the fourth protective wall body 22 is provided with a recessed second engaging groove 222, the third extending body 23 is vertically connected with the other end of the third protective wall body 21, the right end of the third protective wall body 21 is positioned at the right side of the right surface of the third protective wall body 21, the second engaging body 231 protrudes out of the lower surface of the third extending body 23, and the third protective wall body 21, the fourth protective wall body 22, the third extending body 23 and the fourth extending body 221 enclose an open second accommodating groove 20;
the first engaging body 122 of the first protecting shell 1 extends into the second engaging groove 222 of the first second protecting shell 2 and realizes the engagement of the two, the first engaging body 122 of the second first protecting shell 1 extends into the second engaging groove 222 of the second protecting shell 2 and realizes the engagement of the two, the second engaging body 231 of the second protecting shell 2 extends into the first engaging groove 131 of the first protecting shell 1 and realizes the engagement of the two, the second engaging body 231 of the first second protecting shell 2 extends into the first engaging groove 131 of the second first protecting shell 1 and realizes the engagement of the two, and the two first protecting shells 1 and the two second protecting shells 2 are engaged to form a closed protecting body and form an accommodating cavity inside;
the butterfly-shaped introducing unit 3 consists of a butterfly-shaped sheath 31, a light transmission part 32 and two reinforcing pieces 33, wherein the light transmission part and the reinforcing pieces are positioned in the butterfly-shaped sheath, the light transmission part is positioned in the center of the butterfly-shaped introducing unit, the two reinforcing pieces are respectively positioned at the upper side and the lower side of the light transmission part, the edges of the butterfly-shaped sheath at the left side and the right side of the light transmission part are provided with horizontal tearing openings 34, and the upper edge and the lower edge of the butterfly-shaped sheath are provided with vertical tearing openings 35;
the butterfly-shaped introduction unit 3 is positioned in the accommodating cavity; the second extending body of the first protection shell and the fourth extending body of the first second protection shell are clamped in a vertical tearing opening on the upper edge of the butterfly-shaped sheath, the second extending body of the second first protection shell and the fourth extending body of the second protection shell are clamped in a vertical tearing opening on the lower edge of the butterfly-shaped sheath, the left end of the first extending body of the first protection shell and the right end of the third extending body of the second protection shell are clamped in a horizontal tearing opening on the right edge of the butterfly-shaped sheath, and the left end of the first extending body of the second first protection shell and the right end of the third extending body of the first second protection shell are clamped in a horizontal tearing opening on the left edge of the butterfly-shaped sheath.
The butterfly-shaped drop cable capable of preventing biting described above is characterized in that the right end of the first extension body 13 protrudes from the right surface of the first protective wall body 11.
The butterfly-shaped drop cable capable of preventing biting is characterized in that the left end of the third extending body 23 protrudes out of the left surface of the third protective wall body 21.
The butterfly-shaped drop cable capable of preventing biting is characterized in that the light transmission part is a single optical fiber.
EXAMPLES example 2
Referring to fig. 7, and to fig. 1 to 6, a butterfly-shaped optical drop cable capable of preventing biting is substantially the same as embodiment 1 except that the light transmission member 32 is not a single optical fiber but an optical fiber ribbon having a plurality of optical fibers; or a plurality of optical fibers.
EXAMPLE 3
Referring to fig. 8 and 9, and fig. 1 to 6, a butterfly-shaped anti-biting drop cable is substantially the same as embodiment 1 except that the right end of the first extension 13 does not protrude from the right surface of the first protective wall 11, and the left end of the third extension 23 does not protrude from the left surface of the third protective wall 21.
An anti-bite butterfly drop cable according to any of the embodiments above, wherein the first protective housing is of a unitary construction.
An anti-bite butterfly drop cable according to any of the embodiments above, wherein the second protective housing is of a unitary construction.
An anti-bite butterfly drop cable according to any of the embodiments above, wherein the material of the first protective housing is plastic or steel or iron or aluminum.
An anti-bite butterfly drop cable as in any of the above embodiments wherein the material of the second protective housing is plastic or steel or iron or aluminum.
An anti-bite butterfly-shaped drop cable according to any of the embodiments above, characterized in that the material of the butterfly-shaped sheath is plastic.
An anti-bite butterfly drop cable as in any of the above embodiments wherein the first closure body is bifurcated and an upper portion of the bifurcation is bent upward and a lower portion of the bifurcation is bent downward.
An anti-bite butterfly drop cable as in any of the above embodiments wherein the second engaging body is bifurcated and a portion of the left side of the bifurcation is bent to the left and a portion of the right side of the bifurcation is bent to the right.
The butterfly-shaped drop cable capable of preventing biting is characterized in that the width of the lower part of the first clamping groove is gradually increased upwards, or the width is gradually increased after the lower part is constant.
The butterfly-shaped drop cable capable of preventing biting is characterized in that the width of the second clamping groove in the left direction is gradually increased, or the width of the second clamping groove is constant and then gradually increased.
EXAMPLE 4
Referring to fig. 10, referring to fig. 1 to 6, an anti-seizing butterfly-shaped drop cable has two second protective housings 2 and a butterfly-shaped drop unit 3; the method is characterized in that:
the second protective casing 2 is composed of a third protective wall body 21, a fourth protective wall body 22, a third extending body 23, a fifth protective wall body 24, a fourth extending body 221, a fifth extending body 241 and a third engaging body 242, the third protective wall body 21 is vertically connected with the fourth protective wall body 22, one end of the third protective wall body 21 is connected with one end of the fourth protective wall body 22, the fourth extending body 221 is connected with the lower surface of the other end of the fourth protective wall body 22, the right surface of the fourth protective wall body 22 is provided with a concave second engaging groove 222, the third protective wall body 21 is vertically connected with the fifth protective wall body 24, one end of the third protective wall body 21 is connected with one end of the fifth protective wall body 24, the fifth extending body is connected with the upper surface of the other end of the fifth protective wall body 24, the right surface of the fifth protective wall body 24 is provided with a convex third engaging body 242, the third extending body 23 is vertically connected with the middle of the third protective wall body 21 and protrudes out of the right surface of the third protective wall body 21, the third protective wall body 21, the fourth protective wall body 22, the third extending body 23, the fifth protective wall body 24, the fourth extending body 221, the fifth extending body 241, and the third engaging body 242 define an open third receiving groove 200;
the third engaging member 242 of the first second protecting casing 2 extends into the second engaging groove 222 of the second protecting casing 2, the third engaging member of the second protecting casing 2 extends into the second engaging groove of the first second protecting casing, and the two second protecting casings are spliced to form a closed protecting member and an accommodating cavity is formed inside the closed protecting member;
the butterfly-shaped introducing unit consists of a butterfly-shaped sheath, a light transmission part and two reinforcing pieces, wherein the light transmission part and the reinforcing pieces are positioned in the butterfly-shaped sheath;
the butterfly-shaped introduction unit is positioned in the accommodating cavity; the fourth extending body 221 of the first second protection shell 2 and the fifth extending body of the second protection shell are clamped in the vertical tearing opening on the upper edge of the butterfly-shaped sheath, the fifth extending body 241 of the first second protection shell 2 and the fourth extending body of the second protection shell are clamped in the vertical tearing opening on the lower edge of the butterfly-shaped sheath, the third extending body 23 of the first second protection shell 2 is clamped in the horizontal tearing opening on the left edge of the butterfly-shaped sheath, and the third extending body of the second protection shell 2 is clamped in the horizontal tearing opening on the right edge of the butterfly-shaped sheath.
EXAMPLE 5
Referring to fig. 11 and fig. 1 to 6, a butterfly-shaped anti-biting drop cable is substantially the same as that of embodiment 4 except that the middle of third protective wall body 21 of first and second protective cases 2 is recessed to the left and an outer tear 25 is formed, and third extension 23 is V-shaped.
An anti-bite butterfly-shaped drop cable according to embodiment 4 or embodiment 5, wherein the second protective case is of a unitary structure.
Embodiment 4 or embodiment 5 describes an anti-biting butterfly-shaped drop cable, characterized in that the material of the second protective housing is plastic or steel or iron or aluminum.
An anti-bite butterfly-shaped drop cable as described in embodiment 4 or embodiment 5, wherein the material of the butterfly-shaped sheath is plastic.
An anti-biting butterfly-shaped drop cable described in embodiment 4 or embodiment 5, wherein the light transmitting member is the one described in embodiment 1 or 2.
An anti-bite butterfly-shaped drop cable according to embodiment 4 or embodiment 5, wherein the second engaging body has a bifurcated shape, and an upper portion of the bifurcated shape is bent upward and a lower portion of the bifurcated shape is bent downward.
An anti-biting butterfly-shaped drop cable as in embodiment 4 or embodiment 5, wherein the second engaging groove has a width gradually increasing toward the left direction, or a constant section and then gradually increasing.
An anti-bite butterfly-shaped drop cable as in any one of the above embodiments, wherein the material of the strength member is steel wire or iron wire or aluminum wire or copper wire or glass fiber reinforced plastic.
In the application, the combination of the first protection shell and the second protection shell or the combination of the second protection shell ensures that the butterfly-shaped lead-in unit is effectively protected and can be conveniently taken out or put into the butterfly-shaped lead-in unit, so that the butterfly-shaped lead-in unit is more convenient to replace, inspect, continue, prevent pressure, prevent from being hit and prevent from being engaged; the butterfly-shaped lead-in unit is more reliable and stable in position fixation.
In this application, the block body branching, it has better elasticity and toughness, pops open after inserting the block groove, makes first, second protection casing block mutually together, only need when taking off wholly extract first or second protection casing can. The bifurcated bending of the engaging body greatly improves the reliability of the fastening.
The invention has the following main beneficial effects: the butterfly-shaped lead-in unit is more convenient to replace, inspect and connect; the anti-pressing, anti-knocking and anti-engagement performance is better.
The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be construed as limiting the present invention. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.

Claims (5)

1. A butterfly-shaped drop cable capable of preventing biting comprises two first protective shells (1), two second protective shells (2) and a butterfly-shaped drop unit (3); the method is characterized in that: the first protective shell (1) is composed of a first protective wall body (11), a second protective wall body (12), a first extending body (13), a second extending body (121) and a first clamping body (122), wherein the first protective wall body (11) is vertically connected with the second protective wall body (12), one end of the first protective wall body (11) is connected with one end of the second protective wall body (12), the second extending body (121) is connected with the lower surface of the other end of the second protective wall body (12), the first clamping body (122) protrudes out of the left surface of the second protective wall body (12), the first extending body (13) is vertically connected with the other end of the first protective wall body (11), the left end of the first extending body (13) is positioned on the left side of the left surface of the first protective wall body (11), the lower surface of the first extending body (13) is provided with a sunken first clamping groove (131), and the first protective wall body (11), The second protective wall body (12), the first extending body (13) and the second extending body (121) enclose an open first containing groove (10); the second protective shell (2) is composed of a third protective wall body (21), a fourth protective wall body (22), a third extending body (23), a fourth extending body (221) and a second clamping body (231), wherein the third protective wall body (21) is vertically connected with the fourth protective wall body (22), one end of the third protective wall body (21) is connected with one end of the fourth protective wall body (22), the fourth extending body (221) is connected with the lower surface of the other end of the fourth protective wall body (22), the right surface of the fourth protective wall body (22) is provided with a sunken second clamping groove (222), the third extending body (23) is vertically connected with the other end of the third protective wall body (21), the right end of the third protective wall body (21) is positioned on the right side of the right surface of the third protective wall body (21), the second clamping body (231) protrudes out of the lower surface of the third extending body (23), and the third protective wall body (21), The fourth protective wall body (22), the third extending body (23) and the fourth extending body (221) enclose an open second containing groove (20); the first clamping body (122) of the first protection shell (1) extends into the second clamping groove (222) of the first second protection shell (2) and realizes the splicing of the two, the first clamping body (122) of the second first protection shell (1) extends into the second clamping groove (222) of the second protection shell (2) and realizes splicing of the first clamping body and the second clamping body, the second clamping body (231) of the second protection shell (2) extends into the first clamping groove (131) of the first protection shell (1) and realizes splicing of the first clamping body and the second clamping body, the second clamping body (231) of the first second protection shell (2) extends into the first clamping groove (131) of the second first protection shell (1) and realizes splicing of the first clamping body and the second clamping body, the two first protection shells (1) and the two second protection shells (2) are spliced to form a closed protection body, and an accommodating cavity is formed inside the closed protection body; the butterfly-shaped introducing unit (3) consists of a butterfly-shaped sheath (31), a light transmission part (32) and two reinforcing pieces (33), wherein the light transmission part and the reinforcing pieces are positioned in the butterfly-shaped sheath, the light transmission part is positioned in the center of the butterfly-shaped introducing unit, the two reinforcing pieces are respectively positioned at the upper side and the lower side of the light transmission part, the edges of the butterfly-shaped sheath at the left side and the right side of the light transmission part are provided with horizontal tearing openings (34), and the upper edge and the lower edge of the butterfly-shaped sheath are provided with vertical tearing openings (35); the butterfly-shaped introduction unit (3) is positioned in the accommodating cavity; the second extending body of the first protection shell and the fourth extending body of the first second protection shell are clamped in a vertical tearing opening on the upper edge of the butterfly-shaped sheath, the second extending body of the second first protection shell and the fourth extending body of the second protection shell are clamped in a vertical tearing opening on the lower edge of the butterfly-shaped sheath, the left end of the first extending body of the first protection shell and the right end of the third extending body of the second protection shell are clamped in a horizontal tearing opening on the right edge of the butterfly-shaped sheath, and the left end of the first extending body of the second first protection shell and the right end of the third extending body of the first second protection shell are clamped in a horizontal tearing opening on the left edge of the butterfly-shaped sheath; the first clamping body is provided with a branch, and a part of the upper part in the branch is bent upwards and a part of the lower part in the branch is bent downwards; the second snap body is bifurcated, and a part of the left side in the bifurcation is bent leftwards and a part of the right side in the bifurcation is bent rightwards; the width of the lower part of the first clamping groove is gradually increased upwards, or the lower part of the first clamping groove is constant and then gradually increased; the width of the second clamping groove in the leftward direction is gradually increased, or the width of the second clamping groove is constant and then gradually increased.
2. A bite-resistant butterfly-shaped drop cable according to claim 1, characterized in that the right end of the first extension body (13) protrudes beyond the right surface of the first protective wall body (11); the left end of the third extension body (23) protrudes out of the left surface of the third protective wall body (21).
3. A bite-resistant butterfly drop cable as in claim 2, wherein the light delivery element is a single optical fiber.
4. A bite-resistant butterfly drop cable according to claim 3, wherein the light transmitting member (32) is an optical fiber ribbon having a plurality of optical fibers; or a plurality of optical fibers.
5. A bite-resistant butterfly-shaped drop cable according to any one of claims 1 to 4, wherein the right end of the first extension (13) does not protrude beyond the right surface of the first protective wall (11), and the left end of the third extension (23) does not protrude beyond the left surface of the third protective wall (21); the first protective shell is of an integrated structure; the second protective shell is of an integrated structure; the material of the first protective shell is plastic or steel or iron or aluminum; the material of the second protective shell is plastic or steel or iron or aluminum; the material of the butterfly-shaped sheath is plastic.
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CN115079361B (en) * 2022-07-22 2022-11-04 深圳市特发信息光网科技股份有限公司 Butterfly-shaped leading-in optical cable with square cross section for pipeline
CN115793167B (en) * 2023-02-06 2023-06-06 江苏亨通光电股份有限公司 Self-supporting butterfly rubber-insulated wire cable

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JP2005037526A (en) * 2003-07-17 2005-02-10 Nippon Telegr & Teleph Corp <Ntt> Optical fiber drop cable
JP2005249977A (en) * 2004-03-02 2005-09-15 Sumitomo Electric Ind Ltd Fiber optic cable
JP2006078815A (en) * 2004-09-10 2006-03-23 Yazaki Corp Indoor optical cable
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JP4624279B2 (en) * 2006-02-13 2011-02-02 住友電気工業株式会社 Fiber optic cable
JP5394367B2 (en) * 2010-12-28 2014-01-22 中国電力株式会社 Bird protection cable protector
CN205265205U (en) * 2015-09-22 2016-05-25 嘉兴市中联通讯器材有限公司 Locking mouse gnaws and stings, prevents cable protective sheath of gunslinging
CN205484980U (en) * 2016-04-06 2016-08-17 永康市龙凤标牌工艺厂 Optical cable protection against rodents protection tube

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