CN206515520U - A kind of reinforced butterfly leading in cable - Google Patents

Abstract

The utility model discloses a kind of reinforced butterfly leading in cable, it includes optical cable protecting sleeve, it is characterised in that：Optical cable protecting sleeve includes upper jacket, lower jacket and middle sheath, middle sheath is arranged between upper jacket and lower jacket, upper jacket is provided centrally with strengthening core, being horizontally disposed with lower jacket has two lower strengthening cores, middle sheath is provided centrally with optical fiber core, the both sides of middle sheath symmetrically inwardly offer a triangular groove, the two sides of upper jacket are correspondingly arranged on rectangular channel on one, reinforcement is provided with upper rectangular channel, the two sides of lower jacket are correspondingly arranged on rectangular channel, lower reinforcement is provided with upper rectangular channel, upper reinforcement and lower reinforcement protrude from the outside of rectangular channel and lower rectangular channel.

Description

A kind of reinforced butterfly leading in cable

Technical field

The utility model is related to technical field of optical fiber communication, specially a kind of reinforced butterfly leading in cable.

Background technology

With the further development of science and technology and society, requirement more and more higher of the people to communication, along with China's network skill The continuous popularization of art, optical cable industry obtains high speed development, and butterfly leading in cable is the product for solving the last 1km of fiber entering household, main It is used for user profile panel or multimedia information box to the wiring between corridor fiber-dividing box, cable splice closure or fiber cable cross connection box And connection.Because the resistance to compression of existing butterfly optical cable, tensile property are poor, optical cable is caused to be difficult to meet construction when pipeline is drawn Lay requirement.

Utility model content

In order to overcome above mentioned problem, the utility model provides a kind of reinforced butterfly leading in cable.

The technical solution of the utility model is to provide a kind of reinforced butterfly leading in cable, and it includes optical cable protecting sleeve, its It is characterised by：The optical cable protecting sleeve includes upper jacket, lower jacket and middle sheath, and the middle sheath is arranged at the upper jacket Between lower jacket, the upper jacket be provided centrally with strengthening core, the lower jacket be horizontally disposed with have under two strengthen Core, the middle sheath is provided centrally with optical fiber core, and the both sides of the middle sheath symmetrically inwardly offer a triangular groove, The two sides of the upper jacket, which are correspondingly arranged in rectangular channel on one, the upper rectangular channel, is provided with reinforcement, it is described under The two sides of sheath, which are correspondingly arranged in rectangular channel, the upper rectangular channel, is provided with lower reinforcement, the upper reinforcement The outside of the upper rectangular channel and the lower rectangular channel is protruded from the lower reinforcement.

Further, a link is provided with the top of the upper jacket, the link includes setting symmetrical above and below Upper holder and lower fixed frame, the section of fixed frame is up big and down small trapezoidal shape, and the section of the lower fixed frame is It is connected with the top of up-small and down-big trapezoidal shape, fixed frame in an adapter sleeve, the adapter sleeve and is provided with metal support Rope.

Further, the optical fiber core outer ring is provided with a fiber boot.

Further, the bottom surface two of lower jacket is diagonally disposed as circular arc described in the diagonal sum of top surface two of the upper jacket Chamfering.

Further, the adjacent inner corner of triangular groove described in two is a, 70 ° >=a >=80 °.

Further, the cross-sectional length of the lower jacket is more than the cross-sectional length of the upper jacket.

The beneficial effects of the utility model are：Reinforced butterfly leading in cable of the present utility model is provided with optical cable protecting sleeve As the carrier for placing optical fiber core, there can be the effect of protection to optical fiber core, stronger drawing can be born in construction Power, pressure, optical cable protecting sleeve include upper jacket, middle sheath and lower jacket, and the center of middle sheath is used for the setting of optical fiber core, It is provided with to be horizontally disposed with strengthening core, lower jacket on upper jacket and has two lower strengthening cores, upper strengthening core and lower strengthening core Setting be for protecting optical fiber core, can bear stronger pulling force in construction, and be generally each up and down in the prior art One strengthening core is set, and the application is provided with a upper strengthening core and two lower strengthening cores, and three strengthening cores are in corresponding triangle Stable type is set, and is substantially increased the structural strength, tensile strength and compression strength of optical cable, is improved the durability of optical cable.

Brief description of the drawings

Fig. 1 is cross section structure schematic diagram of the present utility model.

Embodiment

In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under In conjunction with specific embodiments, the utility model is expanded on further in face.

As shown in figure 1, a kind of reinforced butterfly leading in cable of the present utility model, it includes optical cable protecting sleeve 1, its feature It is：Optical cable protecting sleeve 1 includes upper jacket 2, lower jacket 3 and middle sheath 4, and middle sheath 4 is arranged at upper jacket 2 and lower jacket 3 Between, upper jacket 2 be provided centrally with strengthening core 21, lower jacket 3 be horizontally disposed with have two lower strengthening cores 31, middle sheath 4 Be provided centrally with optical fiber core 41, the both sides of middle sheath 4 symmetrically inwardly offer a triangular groove 43, the two of upper jacket 2 Side, which is correspondingly arranged in rectangular channel 22 on one, upper rectangular channel 22, is provided with reinforcement 23, and the two sides of lower jacket 3 are right It should be provided with rectangular channel 32, upper rectangular channel 22 and be provided with lower reinforcement 33, upper reinforcement 23 and lower reinforcement 33 are convex For the outside of upper rectangular channel 22 and lower rectangular channel 32.

In one preferred embodiment of the utility model, the top of upper jacket 2 is provided with a link, above and below link includes Symmetrically arranged upper holder 51 and lower fixed frame 52, the section of upper holder 51 is up big and down small trapezoidal shape, lower fixed frame 52 section is up-small and down-big trapezoidal shape, and the top of upper holder 51, which is connected with an adapter sleeve 53, adapter sleeve 53, to be provided with Metal supporting cables 54.

In one preferred embodiment of the utility model, the outer ring of optical fiber core 41, which is provided with a fiber boot 42, to be used for light Fibre core body 41 plays a part of protection.

In one preferred embodiment of the utility model, the bottom surface two of the diagonal sum lower jacket 3 of top surface two of upper jacket 2 is diagonal Circular arc chamfering 11 is set to, sharp angle is banned, prevents workmen from being come to harm when construction, more convenient construction The construction of personnel.

In one preferred embodiment of the utility model, the adjacent inner corner of two triangular grooves 43 is a, 70 ° >=a >=80 °.

In one preferred embodiment of the utility model, the cross-sectional length of lower jacket 3 is more than the cross-sectional length of upper jacket 2.

Reinforced butterfly leading in cable of the present utility model is provided with optical cable protecting sleeve 1 as the load for placing optical fiber core 41 Body, the effect can to optical fiber core 41 with protection, can bear stronger pulling force, pressure, optical cable protecting sleeve 1 in construction Include upper jacket 2, middle sheath 4 and lower jacket 3, the center of middle sheath 4 is used to set on the setting of optical fiber core 41, upper jacket 2 Install and be equipped with strengthening core 21, being horizontally disposed with lower jacket 3 there are two lower strengthening cores 31, upper strengthening core 21 and lower strengthening core 31 Setting is for protecting optical fiber core 41, and stronger pulling force can be born in construction, and is generally each up and down in the prior art One strengthening core is set, and the application is provided with a upper strengthening core 21 and two lower strengthening cores 31, and three strengthening cores are in corresponding Stable triangular type is set, and is substantially increased the structural strength, tensile strength and compression strength of optical cable, is improved the durable of optical cable Property, the cross-sectional length of lower jacket 3 is more than the cross-sectional length of upper jacket 2 so that lower jacket 3 has more stability in lower section.

The both sides of middle sheath 4 symmetrically inwardly offer a triangular groove 43, and the design of triangular groove 43 causes optical cable easy-peel From, conveniently continue, simplify and install and safeguard, while also save material, the adjacent inner corners of two triangular grooves 43 is a, 70 ° >=a >= 80 °, such angle is set, and while material has been saved to greatest extent, also ensure that the intensity of optical cable protecting sleeve 1.

The two sides of upper jacket 2 are provided with reinforcement 23, and the two sides of lower jacket 3 are provided with lower reinforcement 33, Upper reinforcement 23 and lower reinforcement 33 protrude from the outside of rectangular channel 22 and lower rectangular channel 32, and the setting of reinforcement is further Improve the tensile strength of optical cable, it is ensured that intact degree of the optical fiber core 41 in construction.

The link that the top of upper jacket 2 is set is used to be connected with adapter sleeve 53, and metal support is provided with adapter sleeve 53 Rope 54, the ancillary cable protective case 1 that is provided for of metal supporting cables 54 accepts the pulling force being subject to, and link includes symmetrical above and below set The upper holder 51 and lower fixed frame 52 put, upper holder 51 and lower fixed frame 52 are that trapezoidal setting adds stability, under The connection with optical cable protecting sleeve 1 is easy in the section of fixed mount 52 for up-small and down-big trapezoidal shape, and the section of upper holder 51 is upper Small trapezoidal shape is easy to the connection with adapter sleeve 53 under big.

Above example is only a kind of the utility model embodiment therein, and it describes more specific and detailed, but simultaneously Therefore the limitation to the utility model the scope of the claims can not be interpreted as.It should be pointed out that for the ordinary skill of this area For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this The protection domain of utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (6)

1. a kind of reinforced butterfly leading in cable, it includes optical cable protecting sleeve, it is characterised in that：The optical cable protecting sleeve includes Upper jacket, lower jacket and middle sheath, the middle sheath are arranged between the upper jacket and lower jacket, the center of the upper jacket It is provided with to be horizontally disposed with strengthening core, the lower jacket and there are two lower strengthening cores, the middle sheath is provided centrally with optical fiber Core body, the both sides of the middle sheath symmetrically inwardly offer a triangular groove, and the two sides of the upper jacket are correspondingly arranged Have and reinforcement is provided with rectangular channel on one, the upper rectangular channel, the two sides of the lower jacket are correspondingly arranged on Lower reinforcement is provided with rectangular channel, the upper rectangular channel, the upper reinforcement and the lower reinforcement are protruded from described The outside of rectangular channel and the lower rectangular channel.

2. a kind of reinforced butterfly leading in cable according to claim 1, it is characterised in that：Set at the top of the upper jacket A link is equipped with, the link includes the upper holder and lower fixed frame of setting symmetrical above and below, section of fixed frame Face is up big and down small trapezoidal shape, and the section of the lower fixed frame is up-small and down-big trapezoidal shape, the top of fixed frame It is connected with an adapter sleeve, the adapter sleeve and is provided with metal supporting cables.

3. a kind of reinforced butterfly leading in cable according to claim 1, it is characterised in that：The optical fiber core outer ring is set It is equipped with a fiber boot.

4. a kind of reinforced butterfly leading in cable according to claim 1, it is characterised in that：The top surface two of the upper jacket The bottom surface two of lower jacket described in diagonal sum is diagonally disposed as circular arc chamfering.

5. a kind of reinforced butterfly leading in cable according to claim 1, it is characterised in that：Triangular groove described in two it is adjacent Interior angle is a, 70 ° >=a >=80 °.

6. a kind of reinforced butterfly leading in cable according to claim 1, it is characterised in that：The section of the lower jacket is long Cross-sectional length of the degree more than the upper jacket.