CN213025433U

CN213025433U - Noise reduction type coaxial cable with good shielding effect

Info

Publication number: CN213025433U
Application number: CN202022039632.2U
Authority: CN
Inventors: 陈俊中; 李惠子; 徐启忠
Original assignee: Aiou Cable Manufacturing Hangzhou Co ltd
Current assignee: Aiou Cable Manufacturing Hangzhou Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-04-20
Anticipated expiration: 2030-09-17

Abstract

The utility model discloses contain a shield effectual formula coaxial cable of making an uproar that falls, including the main heart yearn, the outside parcel of main heart yearn has the internal insulation sheath, and the mechanism of making an uproar falls is installed in the external side of internal insulation sheath, and the outside of the mechanism of making an uproar falls has cup jointed the fire prevention filling layer, and the external connection of fire prevention filling layer has the separation sleeve, and the perpendicular cross-section of separation sleeve is pentagon star column structure, and each angle of department of separation sleeve all is fixed with the buffer block, and the outside of buffer block is fixed with the copper shield layer, and the outside parcel on copper shield layer has external insulation sheath, is connected with a plurality of resistance to compression mechanisms between. The utility model discloses a mechanism of making an uproar falls, under the cooperation of first noise reduction layer, amortization chamber, connecting strip, second noise reduction layer, bloop, can be at cable collision in-process, the partial energy that the noise carried is by effectual weakening, and the energy that the remaining noise carried can offset completely through first noise reduction layer, second noise reduction layer to play the purpose of making an uproar falls to the cable, improved the practicality of cable.

Description

Noise reduction type coaxial cable with good shielding effect

Technical Field

The utility model relates to a coaxial cable technical field especially relates to a shield effectual formula coaxial cable of making an uproar that falls.

Background

Most common coaxial cables consist of a copper conductor separated by an insulating material, outside of which is another layer of annular conductor and its insulation, and then the entire cable is surrounded by a sheath of polyvinyl chloride or teflon material.

The current coaxial cable may generate noise when transmitting current, the noise affects the use effect of the cable, in addition, the compression resistance of the cable is poor, deformation is easy to occur under the condition of receiving external pressure, damage is easy to cause, the service life of the cable is affected, and therefore the noise reduction type coaxial cable with good shielding effect is designed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of shield effectual formula coaxial cable of making an uproar that falls has solved present coaxial cable, may produce the noise when transmission current, and this kind of noise influences the result of use of cable, and in addition, the compressive property of cable is poor, under the condition that receives external pressure, the easy deformation that takes place, and leads to damaging easily, influences the problem of the life of cable.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a shield effectual formula of making an uproar coaxial cable of falling, includes the main heart yearn, the outside parcel of main heart yearn has the internal insulation sheath, and the mechanism of making an uproar falls is installed in the outside of internal insulation sheath, and the outside of the mechanism of making an uproar falls has cup jointed the fire prevention filling layer, and the external connection of fire prevention filling layer has the separation sleeve, and the perpendicular cross-section of separation sleeve is the pentagon star column structure, and each angle of separation sleeve all is fixed with the buffer block, and the outside of buffer block is fixed with the copper shield layer, and the outside parcel on copper shield layer has the external insulation sheath, is connected with a plurality of resistance to compression.

Preferably, the main core wire is a conductor made of an aluminum alloy material, the inner insulating sheath is a lead sheath, and the fireproof filling layer is made of a mineral material.

Preferably, the noise reduction mechanism comprises a first noise reduction layer wrapped on the outer side of the inner insulating sheath, and a noise reduction cavity is formed in the first noise reduction layer.

Preferably, the inner wall of the silencing cavity is fixed with a plurality of connecting strips in a surrounding manner, the outer portion of the first silencing layer is wrapped with the second silencing layer, and a plurality of silencing holes are formed in the second silencing layer in a surrounding manner.

Preferably, the copper shielding layer is made of a semi-conductive material, the interlocking armor layer is an inner interlocking metal spiral corrugated pipe, and the outer insulating sheath is a halogen-free low-smoke flame-retardant high-tearing-resistance sheath rubber.

Preferably, the compression resistance mechanism comprises a first compression resistance rod hinged to one side wall of the isolation sleeve, a second compression resistance rod is hinged to the other side wall of the isolation sleeve, the other end of the first compression resistance rod and the hinged position of the other end of the second compression resistance rod are hinged to the inner wall of the copper shielding layer, and springs are connected between the side wall of the first compression resistance rod and the side wall of the second compression resistance rod and the inner wall of the copper shielding layer.

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

1. the utility model discloses in the mechanism of making an uproar falls, under the cooperation of first noise reduction layer, amortization chamber, connecting strip, second noise reduction layer, bloop, can be at cable collision in-process, the partial energy that the noise carried is by effectual weakening, and the energy that the remaining noise carried can offset completely through first noise reduction layer, second noise reduction layer to play the purpose of making an uproar falls to the cable, improved the practicality of cable.

2. The utility model discloses among the resistance to compression mechanism, under the cooperation through resistance to compression pole one, resistance to compression pole two and spring to when can be through to the cable extrusion, under the setting of its spring, can make resistance to compression pole one, resistance to compression pole two reset fast, and can strengthen the resistance to compression intensity of cable, prevent that the cable from receiving serious deformation after the extrusion, the life of cable greatly.

Drawings

Fig. 1 is a schematic structural diagram of a noise-reducing coaxial cable with a good shielding effect in front view;

fig. 2 is a schematic structural view illustrating the expansion of the noise reduction mechanism of the noise reduction coaxial cable with good shielding effect according to the present invention;

fig. 3 is the utility model provides an enlarged sectional structure schematic diagram of a department of shielding effectual formula of making an uproar coaxial cable falls.

In the figure: 1. a main core wire; 2. an inner insulating sheath; 3. a noise reduction mechanism; 301. a first sound-deadening layer; 302. a sound-deadening chamber; 303. a connecting strip; 304. a second sound-deadening layer; 305. a silencing hole; 4. a fire-resistant filler layer; 5. an isolation sleeve; 6. a buffer block; 7. a copper shield layer; 8. an interlocking armor layer; 9. an outer insulating sheath; 10. a compression resistance mechanism; 1001. a first compression resisting rod; 1002. a second compression resisting rod; 1003. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a noise reduction type coaxial cable with good shielding effect comprises a main core wire 1, an inner insulating sheath 2, a noise reduction mechanism 3, a first noise reduction layer 301, a noise reduction cavity 302, a connecting strip 303, a second noise reduction layer 304, a noise reduction hole 305, a fireproof filling layer 4, an isolation sleeve 5, a buffer block 6, a copper shielding layer 7, an interlocking armor layer 8, an outer insulating sheath 9, a compression mechanism 10, a compression rod one 1001, a compression rod two 1002 and a spring 1003, wherein the inner insulating sheath 2 wraps the outer side of the main core wire 1, the noise reduction mechanism 3 is installed on the outer side of the inner insulating sheath 2, the fireproof filling layer 4 is sleeved on the outer side of the noise reduction mechanism 3, the isolation sleeve 5 is connected to the outer part of the fireproof filling layer 4, the vertical section of the isolation sleeve 5 is of a pentagram-shaped structure, the buffer block 6 is fixed at each corner of the isolation sleeve 5, the copper shielding layer 7 is fixed on the outer side of the buffer block 6, and the outer insulating sheath 9 wraps the, be connected with a plurality of resistance to compression mechanisms 10 between separation sleeve 5 and the copper shielding layer 7, copper shielding layer 7 can play fine shielding effect to can prevent that insulating weak department from being punctured.

Further, main heart yearn 1 is the conductor of aluminum alloy material, and interior insulating sheath 2 is the lead sheath, and fire prevention filling layer 4 adopts mineral material to make, and the interior insulating sheath 2 of lead sheath can have the complete imperviousness, can prevent the invasion of moisture and moisture reliably, and sealing performance is good to corrosion resisting property is good, and the toughness of lead sheath is good, does not influence the flexibility of cable.

Further, noise reduction mechanism 3 is including the first noise reduction layer 301 of parcel in the insulating sheath 2 outside, noise reduction chamber 302 has been seted up to the inside of first noise reduction layer 301, the inner wall in noise reduction chamber 302 is the surrounding type and is fixed with a plurality of connecting strips 303, the outside parcel of first noise reduction layer 301 has second noise reduction layer 304, the inside of second noise reduction layer 304 is the surrounding type and has seted up a plurality of noise reduction holes 305, when the cable is transmitting current and is producing the noise, the noise gets into in noise reduction chamber 302 and the noise reduction holes 305 respectively, the chamber wall in noise reduction chamber 302 and the pore wall in noise reduction holes 305 all can collide with the noise of leading-in, in the collision process, the partial energy that the noise carried is effectual weakened, the energy that the remaining noise carried can offset completely through first noise reduction layer 301, second noise reduction layer 304.

Further, copper shield layer 7 is made for semiconductive material, and interlocking armor 8 is interior interlock metal helical bellows, and outer insulating sheath 9 is the high anti-tear sheath rubber of halogen-free low-smoke flame-retardant, and the outer insulating sheath 9 of the high anti-tear sheath rubber of halogen-free low-smoke flame-retardant, and fire behavior is strong, and copper shield layer 7 that semiconductive material made shields effectually.

Further, the compression-resistant mechanism 10 comprises a first compression-resistant rod 1001 hinged to one side wall of the isolation sleeve 5, a second compression-resistant rod 1002 is hinged to the other side wall, the other end of the first compression-resistant rod 1001 and the other end of the second compression-resistant rod 1002 are hinged to the inner wall of the copper shielding layer 7, and a spring 1003 is connected between the side wall of the first compression-resistant rod 1001 and the side wall of the second compression-resistant rod 1002 and the inner wall of the copper shielding layer 7.

The working principle is as follows: the cable is matched with the first silencing layer 301, the silencing cavity 302, the connecting strip 303, the second silencing layer 304 and the silencing hole 305, when the cable transmits current to generate noise, the noise respectively enters the silencing cavity 302 and the silencing hole 305, the cavity wall of the silencing cavity 302 and the hole wall of the silencing hole 305 can collide with the introduced noise, partial energy carried by the noise is effectively weakened in the collision process, and the energy carried by the rest noise can be completely counteracted through the first silencing layer 301 and the second silencing layer 304, so that the purpose of reducing the noise of the cable is achieved, the practicability of the cable is improved, the first compression bar 1001 and the second compression bar 1002 can be quickly reset through the matching of the first compression bar 1001 and the second compression bar 1002 and the spring 1003 when the cable is extruded, the spring 1003 is arranged, the compression strength of the cable can be enhanced, and the cable is prevented from being seriously deformed after being extruded, the life of cable greatly to under the effect of copper shield layer 7, fire prevention filling layer 4 and interlocking armor 8, can be when reinforcing cable fire behavior, and can be good to the inner structure protective effect of cable, shielding performance is good.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a shield effectual formula of making an uproar coaxial cable of falling, including main heart yearn (1), a serial communication port, the outside parcel of main heart yearn (1) has internal insulation sheath (2), the outside of internal insulation sheath (2) is installed and is fallen mechanism of making an uproar (3), the outside of mechanism of making an uproar (3) of falling has been cup jointed fire prevention filling layer (4), the external connection of fire prevention filling layer (4) has separation sleeve (5), the perpendicular cross-section of separation sleeve (5) is the pentagram-shaped structure, each corner of separation sleeve (5) all is fixed with buffer block (6), the outside of buffer block (6) is fixed with copper shield layer (7), the outside parcel of copper shield layer (7) has outer insulation sheath (9), be connected with a plurality of resistance to compression mechanisms (10) between separation sleeve (5) and copper shield layer (7).

2. The noise-reduction coaxial cable with good shielding effect according to claim 1, wherein the main core wire (1) is a conductor made of aluminum alloy, the inner insulating sheath (2) is a lead sheath, and the fireproof filling layer (4) is made of mineral material.

3. The noise-reduction coaxial cable with good shielding effect according to claim 1, wherein the noise-reduction mechanism (3) comprises a first noise-reduction layer (301) wrapped outside the inner insulating sheath (2), and a noise-reduction cavity (302) is formed inside the first noise-reduction layer (301).

4. The noise-reduction coaxial cable with good shielding effect according to claim 3, wherein a plurality of connecting strips (303) are fixed on the inner wall of the noise-reduction cavity (302) in a surrounding manner, the second noise-reduction layer (304) is wrapped on the outer portion of the first noise-reduction layer (301), and a plurality of noise-reduction holes (305) are formed in the second noise-reduction layer (304) in a surrounding manner.

5. The noise-reduction coaxial cable with good shielding effect according to claim 1, wherein the copper shielding layer (7) is made of a semi-conductive material, the interlocking armor layer (8) is an inner interlocking metal helical bellows, and the outer insulating sheath (9) is a halogen-free low-smoke flame-retardant high-tearing-resistance sheath rubber.

6. The noise-reduction coaxial cable with the good shielding effect according to claim 1, wherein the compression-resistant mechanism (10) comprises a first compression-resistant rod (1001) hinged to one side wall of the isolation sleeve (5), a second compression-resistant rod (1002) hinged to the other side wall, the hinged portion of the other end of the first compression-resistant rod (1001) and the other end of the second compression-resistant rod (1002) is hinged to the inner wall of the copper shielding layer (7), and a spring (1003) is connected between each of the side wall of the first compression-resistant rod (1001) and the side wall of the second compression-resistant rod (1002) and the inner wall of the copper shielding layer (7).