CN217933267U

CN217933267U - Instrument cable

Info

Publication number: CN217933267U
Application number: CN202220880900.XU
Authority: CN
Inventors: 杨彦; 焦川; 王秀忠
Original assignee: DONGGUAN MINXING CABLES CO LTD
Current assignee: DONGGUAN MINXING CABLES CO LTD
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-11-29
Anticipated expiration: 2032-04-15

Abstract

The utility model belongs to the technical field of the cable technique and specifically relates to an instrument cable, including a plurality of conductors, still include: the flame-retardant and fire-resistant mechanism is fixed on the conductors and comprises a plurality of flame-resistant sleeves, a plurality of insulating sleeves, a filler, a first inner sleeve, an armored sleeve and a first outer sleeve, the flame-resistant sleeves are sleeved and fixed on the conductors respectively, the insulating sleeves are sleeved and fixed on the flame-resistant sleeves respectively, the first inner sleeve is sleeved and fixed on the insulating sleeves, the filler is fixedly arranged between the first inner sleeve and the insulating sleeves, the armored sleeve is fixed on the first inner sleeve, the first outer sleeve is fixed on the armored sleeve, and the filler, the first inner sleeve and the first outer sleeve are all made of halogen-free cross-linked polyethylene flame-retardant materials. The utility model discloses when using, fire-retardant fire resistance is good, uses safety more.

Description

Instrument cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to an instrument cable.

Background

The instrument is used for measuring temperature, air pressure, electric quantity, blood pressure and the like. With the popularization of the existing intelligent equipment, most instruments are connected to a computer through cables, and data obtained by instrument detection is processed uniformly by the computer. Many current intelligent equipment all are long-time incessant continuous work, and the cable that is used for transmitting data between instrument and the computer is long-time incessant continuous work equally too, the cable is at long-time incessant continuous work in-process, the inside a plurality of conductors of cable can dispel the heat, and the cross-section of current cable is mostly circular, and a plurality of conductors are the ring form and establish the inside at the cable, the radiating heat of conductor institute who embraces each other together also comparatively concentrates, this internal temperature that just leads to the cable is higher, and present cable is when the in-service use, fire-retardant fire behavior is poor, the condition of burning appears easily, be unfavorable for the transmission of data between instrument and the computer.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming of the cable flame-retardant fire resistance poor that exists among the prior art, and the instrument cable that provides.

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

designing an instrument cable, including a plurality of conductors, still includes:

the flame-retardant and fire-resistant mechanism is fixed on the plurality of conductors and comprises a plurality of flame-resistant sleeves, a plurality of insulating sleeves, a filler, a first inner sleeve, an armored sleeve and a first outer sleeve, the flame-resistant sleeves are respectively sleeved and fixed on the plurality of conductors, the insulating sleeves are respectively sleeved and fixed on the plurality of flame-resistant sleeves, the first inner sleeve is sleeved on the insulating sleeves, the filler is fixedly arranged between the first inner sleeve and the insulating sleeves, the armored sleeve is fixed on the first inner sleeve, the first outer sleeve is sleeved and fixed on the armored sleeve, and the filler, the first inner sleeve and the first outer sleeve are all made of a halogen-free cross-linked polyethylene flame-retardant material.

Preferably, the insulation sleeve further comprises a plurality of insulation assemblies, and each insulation assembly is fixed in the filling material between two adjacent insulation sleeves.

Preferably, the isolation assembly comprises a fixed sleeve and a flame retardant, the fixed sleeve is fixed in the filler between two adjacent insulating sleeves, and the flame retardant is arranged in the fixed sleeve.

Preferably, the cable further comprises a plurality of limiting mechanisms, and the limiting mechanisms are uniformly distributed and fixed on the armor sleeve and the first outer sheath.

Preferably, the limiting mechanism comprises a cylinder, a threaded rod and a clamping component, the cylinder is fixed on the armor sleeve and the first outer sheath, one end of the threaded rod is arranged in the cylinder in a threaded manner, and the other end of the threaded rod is fixed on the clamping component.

Preferably, the clamping assembly comprises an elastic plate, a second inner sheath and a second outer sheath, the second inner sheath is sleeved and fixed on the elastic plate, the second outer sheath is sleeved and fixed on the second inner sheath, and the threaded rod penetrates through the second inner sheath and the second outer sheath.

The utility model provides a pair of instrument cable, beneficial effect lies in: when the instrument cable is used, the conductors are protected by the fire-resistant sleeves and the insulating sleeves, the insulation outside the conductors is ensured, the plurality of conductors are distributed in the filling material in a linear mode at equal intervals, the plurality of conductors are more uniform in heat dissipation during working, the filling material is made of the halogen-free cross-linked polyethylene flame-retardant material, the first inner sheath and the first outer sheath can stand up to ensure the fire-resistant flame-retardant performance of the instrument cable, and the safety of the instrument cable during use is improved.

Drawings

Fig. 1 is a schematic structural view of an instrument cable according to the present invention;

fig. 2 is an enlarged view of a meter cable shown in fig. 1;

fig. 3 is a partial bottom view of an instrument cable according to the present invention.

In the figure: the cable comprises a conductor 1, a refractory cover 2, an insulating cover 3, a filler 4, a fixing cover 5, a flame retardant 6, a first inner sheath 7, an armor cover 8, a first outer sheath 9, a cylinder 10, a threaded rod 11, a clamping component 12, an elastic plate 13, a second inner sheath 14 and a second outer sheath 15.

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.

Example 1

Referring to fig. 1, an instrument cable includes a plurality of conductors 1, and further includes:

flame-retardant fire-resistant mechanism, flame-retardant fire-resistant mechanism fixes on a plurality of conductors 1, flame-retardant fire-resistant mechanism includes a plurality of fire-resistant covers 2, a plurality of insulation cover 3, stopping 4, first inner sheath 7, armour cover 8 and first oversheath 9, a plurality of fire-resistant covers 2 are fixed on a plurality of conductors 1 of suit respectively, fire-resistant cover 2 provides first layer protection for conductor 1, a plurality of insulation cover 3 are fixed on a plurality of fire-resistant covers 2 of suit respectively, the insulating nature of conductor 1 is ensured in the setting of insulation cover 3, promote the security of use, first inner sheath 7 suit is on a plurality of insulation cover 3, fixed stopping 4 that is equipped with between first inner sheath 7 and a plurality of insulation cover 3, a plurality of conductors 1 are a distribution of halogenous in stopping 4 inside first inner sheath 7, avoid traditional a plurality of conductors 1 to embrace together and lead to the problem of heat dissipation gathering, armour cover 8 suit is fixed on first inner sheath 7, first armour 9 suit is fixed on armour cover 8, the setting of this armoured instrument of setting promotes the tensile stretch resistance of this, this tensile cable is difficult to be made by the first oversheath material and the polyethylene cross-linked instrument that does not cut by the style of a word. The filler 4, the first inner sheath 7 and the first outer sheath 9 which are made of the halogen-free cross-linked polyethylene flame retardant material have good flame-retardant and fire-resistant performance, halogen acid gas can not be generated when the instrument cable is recycled and combusted, the smoke amount is very small, and the instrument cable is more environment-friendly.

And a plurality of isolation components, wherein each isolation component is fixed in the filling material 4 between two adjacent insulation sleeves 3. The insulating sleeves 3 are isolated by the isolating components, so that the plurality of conductors 1 in the insulating sleeves 3 are not affected mutually, the isolating components comprise fixing sleeves 5 and flame retardants 6, the fixing sleeves 5 are fixed in the fillers 4 between the two adjacent insulating sleeves 3, and the flame retardants 6 are arranged in the fixing sleeves 5. The flame retardant 6 is filled in the fixing jacket 5, and the flame retardant 6 does not slide in the fixing jacket 5.

The working principle is as follows: when the instrument cable is used, the conductor 1 is protected by the fire-resistant sleeve 2 and the insulating sleeve 3, the insulation outside the conductor 1 is ensured, the plurality of conductors 1 are distributed in the filler 4 in an equidistant mode and in a linear mode, the plurality of conductors 1 are more uniform in heat dissipation when working, the filler 4 is made of a halogen-free cross-linked polyethylene flame-retardant material, the first inner sheath 7 and the first outer sheath 9 can stand up to the fire-resistant flame-retardant performance of the instrument cable, the fixing sleeve 5 and the flame retardant 6 are arranged, the secondary separation effect is achieved between the two adjacent conductors 1, the plurality of conductors 1 are not mutually influenced, and the use safety of the instrument cable is improved.

Example 2

In embodiment 1, the instrument cable is used between an instrument and a computer, and other wires are also arranged on the instrument and the computer, and the instrument cable and the other wires look disordered and are also easy to be entangled together, referring to fig. 1-3, as another preferred embodiment of the present invention, the difference from embodiment 1 is that a plurality of limiting mechanisms are further included, and the plurality of limiting mechanisms are uniformly fixed on the armor sleeve 8 and the first outer sheath 9. And the limiting mechanisms limit other electric wires and prevent the instrument cable and other electric wires from being wound together.

The limiting mechanism comprises a cylinder 10, a threaded rod 11 and a clamping component 12, the cylinder 10 is fixed on the armor sleeve 8 and the first outer sheath 9, one end of the threaded rod 11 is arranged in the cylinder 10 in a threaded mode, and the other end of the threaded rod is fixed on the clamping component 12. Utilize clamping component 12 to come spacing other electric wires, through twisting clamping component 12, clamping component 12 drives threaded rod 11 and rotates on drum 10, can let threaded rod 11 break away from drum 10, and then can dismantle clamping component 12.

The clamping assembly 12 comprises an elastic plate 13, a second inner sheath 14 and a second outer sheath 15, the elastic plate 13 is of a C-shaped structure, the second inner sheath 14 is fixed on the elastic plate 13 in a sleeved mode, the second outer sheath 15 is fixed on the second inner sheath 14 in a sleeved mode, and the threaded rod 11 penetrates through the second inner sheath 14 and the second outer sheath 15. The elastic plate 13 is doubly protected by the second inner sheath 14 and the second outer sheath 15, and the second inner sheath 14 and the second outer sheath 15 are also made of a halogen-free cross-linked polyethylene flame retardant material.

The working principle is as follows: during the in-service use, press other cables in the elastic plate 13 of C shape structure, elastic plate 13 can resume circularly under the effect of resilience force, and then can live other cable centre grippings, avoids this instrument cable and other electric wire to twine together, and when need not use centre gripping subassembly 12, through twisting centre gripping subassembly 12, centre gripping subassembly 12 drives threaded rod 11 and rotates on drum 10, can let threaded rod 11 break away from drum 10, and then can dismantle centre gripping subassembly 12.

The above, only be the embodiment of the preferred 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, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. An instrument cable comprising a plurality of conductors (1), characterized by further comprising:

the flame-retardant and fire-resistant mechanism is fixed on the plurality of conductors (1), and comprises a plurality of flame-retardant sleeves (2), a plurality of insulating sleeves (3), a filler (4), a first inner sheath (7), an armor sleeve (8) and a first outer sheath (9), wherein the plurality of flame-retardant sleeves (2) are respectively sleeved and fixed on the plurality of conductors (1), the plurality of insulating sleeves (3) are respectively sleeved and fixed on the plurality of flame-retardant sleeves (2), the first inner sheath (7) is sleeved and fixed on the plurality of insulating sleeves (3), the filler (4) is fixedly arranged between the first inner sheath (7) and the plurality of insulating sleeves (3), the armor sleeve (8) is sleeved and fixed on the first inner sheath (7), the first outer sheath (9) is sleeved and fixed on the armor sleeve (8), and the filler (4), the first inner sheath (7) and the first outer sheath (9) are all made of non-halogen-containing cross-linked polyethylene flame-retardant material.

2. The instrument cable according to claim 1, further comprising a plurality of spacer members, each of which is fixed in the filler (4) between adjacent two of the insulating sheaths (3).

3. The instrumentation cable according to claim 2, wherein said insulation assembly comprises a fixing sleeve (5) and a flame retardant (6), said fixing sleeve (5) being fixed in a filler (4) between two adjacent insulating sleeves (3), said flame retardant (6) being provided in said fixing sleeve (5).

4. The instrument cable according to claim 1, further comprising a plurality of limiting mechanisms, said plurality of limiting mechanisms being uniformly fixed to said armor (8) and said first outer sheath (9).

5. Instrument cable according to claim 4, characterized in that the stop means comprise a cylinder (10), a threaded rod (11) and a clamping member (12), the cylinder (10) being fixed to the armour (8) and to the first outer sheath (9), the threaded rod (11) being threaded in the cylinder (10) at one end and fixed to the clamping member (12) at the other end.

6. Instrument cable according to claim 5, characterized in that the clamping assembly (12) comprises a resilient plate (13), a second inner sheath (14) and a second outer sheath (15), the second inner sheath (14) being fixed over the resilient plate (13) in a sleeved manner, the second outer sheath (15) being fixed over the second inner sheath (14) in a sleeved manner, the threaded rod (11) being provided through the second inner sheath (14) and the second outer sheath (15).