CN217061485U

CN217061485U - Flexible shielded cable

Info

Publication number: CN217061485U
Application number: CN202123305324.0U
Authority: CN
Inventors: 林东鸿; 葛曙光
Original assignee: Shenzhen Dongjiaxin Cable&wire Co ltd
Current assignee: Shenzhen Dongjiaxin Cable&wire Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-07-26
Anticipated expiration: 2031-12-24

Abstract

The utility model relates to a shielded cable field especially relates to flexible shielded cable. Flexible shielded cable includes the cable, compels tight head, thread bush, regulating block, clamping ring, coupling mechanism, clamping jaw and lug, and the equal symmetrical cover in cable both ends has the regulating block, and the one side that the regulating block is relative all is connected with the thread bush, and the equal threaded connection in the thread bush outside has compels tight head, and the inside equal slip of thread bush is pegged graft and is had to add ann, and the equal symmetrical mounting in cable both ends has coupling mechanism, compels tight head inside equal slip grafting and has clamping jaw. The utility model provides a flexible shielded cable can fix a position the cable after the bending through coupling mechanism, and the bending of convenient cable angle when connecting lets the cable can be more regular, also avoids the junction not hard up, protects the junction, and lug locking and fixed cable can also play the effect of waterproof dustproof vibrations prevention, but also the line connection of the cable tip of having been convenient for.

Description

Flexible shielded cable

Technical Field

The utility model relates to a shielded cable field especially relates to flexible shielded cable.

Background

Shielded cables are transmission lines in which signal wires are wrapped with a metallic mesh braid. The braid is typically red copper or tin-plated copper. The wire and cable industry is the second industry in China next to the automobile industry, and both the product variety satisfaction rate and the domestic market share rate exceed 90%. The total output value of the electric wire and the electric cable in China exceeds the United states worldwide, and the electric wire and the electric cable become the first country for producing the electric wire and the electric cable in the world. Along with the high-speed development of the China wire and cable industry, the number of newly added enterprises is continuously increased, and the overall technical level of the industry is greatly improved; the shielding is to ensure the transmission performance of the system in the electromagnetic interference environment, and the anti-interference here shall include two aspects, namely the capability of resisting external electromagnetic interference and the capability of the system itself radiating electromagnetic interference outwards.

When the long end of the shielded cable is connected, the end of the cable is sometimes required to be bent, and the bent cable has certain elasticity, so that the bent elastic force can slowly loosen and fall off the connection to cause signal interruption, and therefore, a new flexible shielded cable is needed to be provided to solve the technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a flexible shielded cable with can connect stably, be convenient for adjust.

The utility model provides a flexible shielded cable includes: the cable clamping device comprises a cable, a clamping head, a threaded sleeve, a regulating block, a clamping ring, a connecting mechanism, clamping claws and convex blocks, wherein the regulating block is symmetrically sleeved at two ends of the cable, the threaded sleeve is connected to one side opposite to the regulating block, the clamping head is connected to the outer side of the threaded sleeve in a threaded connection mode, the clamping claw is inserted into the threaded sleeve in a sliding and inserting mode, the connecting mechanism is symmetrically installed at two ends of the cable, the clamping claw is inserted into the clamping head in a sliding and inserting mode, and the convex blocks are connected to the clamping claws at equal intervals and at equal angles.

Preferably, coupling mechanism includes spacing ring, locating lever, spring, gasket, connecting strip, bar hole and constant head tank, the equal symmetric connection in the regulating block outside has the locating lever, the one end that the regulating block was kept away from to the locating lever all is connected with the gasket, the locating lever outside all overlaps there is the spacing ring, and spacing ring and locating lever sliding connection, the locating lever outside all overlaps there is the spring, the spacing ring all is through adjacent spring and the gasket elastic connection that corresponds, the equal symmetry in cable both ends is equipped with the connecting strip, the bar hole has all been seted up to the one side that the connecting strip is relative, the locating lever all pegs graft with the bar hole that corresponds in a sliding way, the constant head tank has been seted up to the impartial distance in one side that the connecting strip is relative, and the constant head tank all is linked together with the bar hole that corresponds, the one end that the spacing ring is relative all pegs graft with the constant head tank that corresponds in a sliding way.

Preferably, the cable includes sheath, shielding net, insulating cover and sinle silk, the inside shielding net that is equipped with of sheath, the inside equidistance of shielding net is equipped with insulating cover to the equidistance, the inside sinle silk that all is equipped with of insulating cover.

Preferably, one end of the packing head opposite to the other end of the packing head is connected with a rubber ring.

Preferably, the inner walls of the thread sleeves are connected with sealing gaskets.

Preferably, the outer sides of the ends, close to the gasket, of the limiting rings are fixedly sleeved with oval pieces.

Preferably, a tensile rope is arranged between the insulating sleeve and the shielding net.

Preferably, the inner wall of the shielding net is provided with an aluminum foil layer.

Preferably, non-woven cotton cloth is filled between the insulating sleeve and the shielding net.

Preferably, the sheath is made of a polyvinyl chloride material.

Compared with the prior art, the utility model provides a flexible shielded cable has following beneficial effect:

1. the utility model provides a flexible shielded cable can fix a position the cable after the bending through coupling mechanism, and the bending of convenient cable angle when connecting lets the cable can be more regular, also avoids the junction not hard up, protects the junction.

2. The utility model provides a flexible shielded cable, lug locking and fixed cable can also play the effect of waterproof dustproof vibrations prevention, but also the line connection of the cable tip of having been convenient for.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a flexible shielded cable according to the present invention;

FIG. 2 is a schematic structural disassembly view of the packing head and the adjusting block shown in FIG. 1;

FIG. 3 is a schematic view of the connecting rod and the positioning rod shown in FIG. 1, showing the connecting rod and the positioning rod separated from each other;

FIG. 4 is a schematic structural view of the adjustment block shown in FIG. 1;

FIG. 5 is a schematic structural view of the cable shown in FIG. 1;

fig. 6 is a schematic view of the bent cable shown in fig. 1.

The reference numbers in the figures: 1. a cable; 2. a tightening head; 3. a threaded sleeve; 4. a regulating block; 5. a clamping ring; 6. a connecting mechanism; 7. a clamping jaw; 8. a bump; 9. a rubber ring; 10. a gasket; 61. a limiting ring; 62. positioning a rod; 63. a spring; 64. a gasket; 65. an elliptical sheet; 66. a connecting strip; 67. a strip-shaped hole; 68. positioning a groove; 111. a sheath; 112. a shielding mesh; 113. an insulating sleeve; 114. and (6) a wire core.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The following detailed description is provided to illustrate specific embodiments of the present invention.

Referring to fig. 1 to 6, an embodiment of the present invention provides a flexible shielded cable, including: cable 1, compel tight first 2, thread bush 3, regulating block 4, tight circle 5, coupling mechanism 6, clamp jaw 7 and lug 8, the equal symmetrical cover in 1 both ends of cable has regulating block 4, the one side that regulating block 4 is relative all is connected with thread bush 3, the equal threaded connection in 3 outsides of thread bush has compel tight first 2, 3 inside equal sliding plug of thread bush have add ann, coupling mechanism 6 is all symmetrically installed at 1 both ends of cable, compel tight first 2 inside equal sliding plug of 2 have clamp jaw 7, and the inside equal angular connection such as equidistance of clamp jaw 7 has lug 8.

It should be noted that: the compel tight head 2 in the 1 outside of cable can rotate round thread bush 3 when twisting, laminates with regulating block 4 gradually, and extrusion clamping jaw 7 contracts, lets lug 8 locking and fixed cable 1, can also play waterproof dustproof anti-vibration's effect, but also is convenient for the line connection of 1 tip of cable.

In the embodiment of the present invention, referring to fig. 1 to 4, the connecting mechanism 6 includes a position-limiting ring 61, a positioning rod 62, a spring 63, a spacer 64, a connecting bar 66, a bar-shaped hole 67 and a positioning slot 68, the positioning rod 62 is symmetrically connected to the outer side of the adjusting block 4, the spacer 64 is connected to one end of the positioning rod 62 away from the adjusting block 4, the position-limiting ring 61 is sleeved to the outer side of the positioning rod 62, the positioning ring 61 is slidably connected to the positioning rod 62, the spring 63 is sleeved to the outer side of the positioning rod 62, the positioning ring 61 is elastically connected to the corresponding spacer 64 through the adjacent spring 63, the connecting bar 66 is symmetrically disposed at both ends of the cable 1, the bar-shaped hole 67 is disposed at one side opposite to the connecting bar 66, the positioning rod 62 is slidably inserted into the corresponding bar-shaped hole 67, the positioning slot 68 is disposed at one side opposite to the connecting bar 66 at equal distance, and the positioning groove 68 is communicated with the corresponding strip-shaped hole 67, and the opposite end of the limiting ring 61 is slidably inserted into the corresponding positioning groove 68.

What can be structured is that the number of the positioning grooves 68 on the connecting strip 66 is not limited to the number in the figure, and the variety of the cable bending fixation can be improved by arranging a larger number of the positioning grooves 68.

It should be noted that: when the end part of the cable 1 needs to be bent, the tightening head 2 at the end part is loosened, the limiting ring 61 is firstly buckled to be separated from the positioning groove 68, the spring 63 contracts, one of the adjusting blocks 4 is pulled to slide along the outer side of the cable 1, the distance between the two adjusting blocks 4 at the end part of the cable 1 is adjusted, when the positioning rod 62 slides along the bar-shaped hole 67 and slides into the corresponding positioning slot 68 during adjustment, the limiting ring 61 is clamped into the corresponding positioning groove 68 under the action of the elastic force of the spring 63, the distance between the two strip adjusting blocks 4 is adjusted through the connecting strip 66, after the adjustment, the cable 1 is bent according to the required bending angle of the cable 1, the adjusting block 4 is pulled to screw the tightening head 2, so that the bent angle can be positioned, the angle of the cable 1 can be conveniently bent during connection, the cable 1 can be more regular, the looseness of the connection part can be avoided, and the connection part can be protected;

in the embodiment of the present invention, please refer to fig. 1 and 5, the cable 1 includes a sheath 111, a shielding net 112, an insulating sleeve 113 and a wire core 114, the shielding net 112 is disposed inside the sheath 111, the insulating sleeve 113 is disposed inside the shielding net 112 at equal intervals and at equal angles, and the wire core 114 is disposed inside the insulating sleeve 113;

it should be noted that: the whole cable 1 is composed of multiple layers, the polyvinyl chloride sheath 111 on the outermost side enables the cable 1 to be heat-resistant and cold-resistant, the tinned shielding net 112 on the inner layer can block and shield signals and reduce interference, the polyvinyl chloride insulating sleeve 113 on the inner layer is in insulating sleeve with good flame retardance, and finally the signals are transmitted through the oxygen-free copper wire core 114 inside;

in the embodiment of the present invention, please refer to fig. 2 and fig. 4, one end of the packing head 2 opposite to each other is connected with a rubber ring 9;

it should be noted that: the tightness of the tightening head 2 and the cable 1 is enhanced;

in the embodiment of the present invention, referring to fig. 2 and 4, the inner wall of the thread bushing 3 is connected with a sealing gasket 10;

it should be noted that: the thread bushing 3 can be more attached to the cable 1;

in the embodiment of the present invention, please refer to fig. 3 and 4, an elliptical plate 65 is fixedly sleeved on the outer side of one end of the limiting ring 61 close to the gasket 64;

it should be noted that: the buckling limiting ring 61 is more simple and convenient to separate from the positioning groove 68;

in an embodiment of the present invention, referring to fig. 5, a tensile rope is disposed between the insulating sleeve 113 and the shielding net 112;

it should be noted that: the tensile rope is used as a cable filling material to fill a gap between the insulating sleeve 113 and the shielding net 112, so that the tensile strength is enhanced, and the flexibility of the cable is enhanced;

in an embodiment of the present invention, please refer to fig. 5, an aluminum foil layer is disposed on an inner wall of the shielding net 112;

it should be noted that: the inside is not interfered by external electromagnetic interference, and the inside electromagnetic energy is not easily dispersed;

in the embodiment of the present invention, referring to fig. 5, a non-woven cotton cloth is filled between the insulating sleeve and the shielding net 112;

it should be noted that: space gaps among the leads are filled, so that the tensile capacity of the cable is improved;

in the embodiment of the present invention, please refer to fig. 1 and 5, the sheath 111 is made of a polyvinyl chloride material;

it should be noted that: the heat resistance and the cold resistance of the cable 1 are improved, and the service life of the cable 1 is prolonged.

The utility model provides a flexible shielded cable's theory of operation as follows: the compel tight head 2 in the 1 outside of cable can rotate round thread bush 3 when twisting, laminates with regulating block 4 gradually, and extrusion clamping jaw 7 contracts, lets lug 8 locking and fixed cable 1, can also play waterproof dustproof anti-vibration's effect, but also is convenient for the line connection of 1 tip of cable.

When needs are crooked with 1 tip of cable, the head 2 is compeled to tight of not hard up tip, then detain spacing ring 61 and constant head tank 68 separation, spacing ring 61 extrusion spring 63 contracts simultaneously, one of them regulating block 4 of pulling slides along the cable 1 outside, interval between two regulating blocks 4 of 1 tip of adjustment cable, locating lever 62 can slide along bar hole 67 when the adjustment, when drawing into corresponding constant head tank 68, spacing ring 61 is under spring 63's spring action, block in the corresponding constant head tank 68, thereby adjust the interval of two regulating block 4.

After the adjustment, the bending is performed according to the bending angle of the required cable 1, wherein the two adjusting blocks 4 also rotate around the positioning rod 62, the relative position and direction between the two adjusting blocks 4 are correspondingly changed, so that part of the cable section between the two adjusting blocks 4 forms a certain bending angle, the adjusting blocks 4 are pulled to screw the tightening heads 2, the bending angle can be positioned, the bending of the angle is convenient when the cables 1 are connected, the cables 1 can be more regular, and the loosening of the connection part is avoided, the whole cable 1 is composed of a plurality of layers, the outermost polyvinyl chloride sheath 111 ensures that the cable 1 is heat-resistant and cold-resistant, the inner layer is a tinned shielding net 112, can the separation shielding signal, reduce and disturb, the insulating cover of inlayer polyvinyl chloride insulating cover 113 has good fire resistance, carries out the transport of signal through inside anaerobic copper wire sinle silk 114 at last.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A flexible shielded cable, comprising:

the cable comprises a cable (1), wherein two ends of the cable (1) are symmetrically sleeved with adjusting blocks (4), and one sides of the adjusting blocks (4) opposite to each other are connected with threaded sleeves (3);

the tightening heads (2) are respectively in threaded connection with the outer sides of the corresponding thread sleeves (3);

the clamping rings (5) are respectively inserted into the corresponding threaded sleeves (3) in a sliding manner;

the connecting mechanisms (6), the connecting mechanisms (6) are respectively and symmetrically arranged at two ends of the cable (1);

the clamping jaws (7) are respectively inserted into the corresponding packing heads (2) in a sliding mode, and the insides of the clamping jaws (7) are connected with the convex blocks (8) at equal distances and at equal angles.

2. The flexible shielded cable according to claim 1, wherein the connecting mechanism (6) comprises a limiting ring (61), a positioning rod (62), a spring (63), a gasket (64), a connecting bar (66), a strip-shaped hole (67) and a positioning groove (68), the positioning rod (62) is symmetrically connected to the outer side of the adjusting block (4), the gasket (64) is connected to one end of the positioning rod (62) away from the adjusting block (4), the limiting ring (61) is sleeved to the outer side of the positioning rod (62), the limiting ring (61) is slidably connected with the positioning rod (62), the spring (63) is sleeved to the outer side of the positioning rod (62), the limiting ring (61) is elastically connected with the corresponding gasket (64) through the adjacent spring (63), the connecting bar (66) is symmetrically arranged at both ends of the cable (1), the strip-shaped hole (67) is formed in one side of the connecting bar (66), locating lever (62) all with the bar hole (67) slip grafting that corresponds, constant head tank (68) have been seted up to the equal equidistance in one side that connecting strip (66) is relative, and constant head tank (68) all is linked together with the bar hole (67) that corresponds, the one end that spacing ring (61) is relative all with the constant head tank (68) slip grafting that corresponds.

3. The flexible shielded cable according to claim 1, characterized in that cable (1) includes sheath (111), shielding net (112), insulating sleeve (113) and core (114), shielding net (112) is arranged inside sheath (111), insulating sleeve (113) is arranged inside shielding net (112) at equal intervals and at equal angles, and core (114) is arranged inside insulating sleeve (113).

4. Flexible shielded cable according to claim 1, characterized in that a rubber ring (9) is attached to each of the opposite ends of the packing head (2).

5. Flexible shielded cable according to claim 1, characterized in that a sealing gasket (10) is connected to each of the inner walls of the threaded sleeves (3).

6. The flexible shielded cable according to claim 2, wherein an elliptical plate (65) is fixedly sleeved on the outer side of one end of the limiting ring (61) close to the gasket (64).

7. Flexible shielded electrical cable according to claim 3, characterized in that a tensile cord is provided between the insulating sheath (113) and the shielding mesh (112).

8. The flexible shielded cable of claim 3, wherein the inner wall of the shielding mesh (112) is provided with an aluminum foil layer.

9. The flexible shielded cable according to claim 3, wherein a non-woven cotton cloth is filled between the insulating sheath (113) and the shielding mesh (112).

10. A flexible shielded cable according to claim 3, wherein the sheath (111) is made of a polyvinyl chloride material.