CN216287718U

CN216287718U - Heat-resistant flame-retardant cable wire

Info

Publication number: CN216287718U
Application number: CN202123061715.2U
Authority: CN
Inventors: 李曾荣; 张邦树; 金宇涛
Original assignee: Shenzhen Xingdatong Wire And Cable Co ltd
Current assignee: Shenzhen Xingdatong Wire And Cable Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-04-12
Anticipated expiration: 2031-12-08

Abstract

The utility model discloses a heat-resistant flame-retardant cable wire which comprises a cable body, wherein a male connector is fixedly arranged at one end of the cable body, a female connector is arranged at one end, away from the male connector, of the cable body, a sleeve is slidably sleeved on the cable body, one end of the sleeve is of an open structure, a pin shaft is fixedly arranged at the upper part of the open end of the sleeve, a rotating clamping assembly is arranged on the pin shaft, the cable body comprises a wire core, a heat-insulating layer is arranged on the outer wall of the wire core, a flame-retardant layer wraps the outer part of the heat-insulating layer, an anticorrosive layer is arranged at the outer part of the flame-retardant layer, and a covering outer layer is arranged at the outer part of the anticorrosive layer. According to the utility model, the sleeve is slid to enable one end of the opening of the sleeve to penetrate through the male joint and the female joint, the male joint and the female joint are accommodated in the sleeve, and then the two clamping rings are pressed, so that the clamping strip is clamped in the clamping opening at the lower part of the clamping ring, the two clamping rings are fixed, and at the moment, the two clamping rings are clamped on one side of the female joint, so that clamping connection is realized, and the male joint and the female joint are prevented from falling off and being damaged due to the tensile force of a cable.

Description

Heat-resistant flame-retardant cable wire

Technical Field

The utility model relates to the technical field of cables, in particular to a heat-resistant flame-retardant cable.

Background

The cable is used for transmitting electric (magnetic) energy, information and wire products for realizing electromagnetic energy conversion, the generalized electric wire and cable is also called as cable for short, and the narrow cable is insulated cable, which can be defined as: an aggregate consisting of; one or more insulated wire cores, and their respective possible coatings, total protective layers and outer jackets, the cable may also have additional conductors without insulation.

The existing cable is usually required to be connected with two cables when the construction time is not enough, a male head and a female head are usually utilized for connection, but the two cables are connected with a pull force, and the connection and the disconnection cannot be guaranteed only by a threaded connection mechanism of the male and female connectors, so that the heat-resistant and flame-retardant cable wire is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides a heat-resistant flame-retardant cable wire.

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

the utility model provides a heat-resisting fire-retardant cable wire, includes the cable body, the fixed male joint that is equipped with of cable body one end, the female joint is installed to male joint one end is kept away from to the cable body, and sliding sleeve is equipped with the sleeve on the cable body, sleeve one end is open structure, and sleeve opening one end upper portion is fixed and is equipped with the round pin axle, and the epaxial rotation card that is equipped with of round pin establishes the subassembly.

Preferably, the cable body includes the sinle silk, and the sinle silk outer wall is equipped with the insulating layer, and the outside parcel of insulating layer has fire-retardant layer, and fire-retardant layer outside is equipped with the anticorrosive coating, and the anticorrosive coating outside is equipped with covers the skin.

Further, it establishes the subassembly to rotate the card and includes that the epaxial two connecting blocks that rotate the cover and establish of round pin, and two connecting blocks are kept away from one side relatively and all are fixed to be equipped with the snap ring, and two connecting blocks all and round pin are epaxial to install the reduction torsion spring, are equipped with the card between snap ring and the sleeve and advance fixed establishment.

Preferably, card advances fixed establishment and includes that the snap ring lower extreme runs through the bayonet socket that its both sides outer wall was seted up, the rectangular channel has all been seted up to the both sides of being close to snap ring one end lower part in the sleeve, and the rectangular channel is all drawn and is slided and be equipped with the card strip, and sleeve one side outer wall is all passed to card strip one end, and two card strips keep away from one side one end relatively and be the inclined plane structure, and two card strip inclined plane one ends insert respectively and locate two bayonet sockets, and the card strip is located the equal fixed stopper that is equipped with of rectangular channel one end.

Still further, stopper one side is fixed and is equipped with the spring, and the spring other end is fixed and is located rectangular channel inner wall one side.

As a further scheme of the utility model, magnets are fixedly arranged on the inner walls of one side of the limiting block and one side of the rectangular groove, and the two magnets repel each other magnetically.

The utility model has the beneficial effects that:

1. through the one deck insulating layer that sets up at the sinle silk outer wall for the high temperature heat that the sinle silk produced is absorbed by the insulating layer majority, and has set up fire-retardant layer in the insulating layer outside, further improves the fire behavior of cable, is provided with the anticorrosive coating outside fire-retardant layer, and corrosive gas infiltration produces when avoiding the cable to bury underground produces the corruption.

2. By the sleeve sleeved on the cable body in a sliding manner, the two clamping rings rotatably arranged on two sides of one end of the opening of the sleeve are matched with the clamping and fixing mechanism arranged between the clamping rings and the sleeve, after two cables are connected with each other through the male connector and the female connector, tools can be respectively inserted into the two bayonets, so that the clip strip compresses the spring under the extrusion action and is retracted into the rectangular groove, thereby sequentially releasing the two snap rings, the snap rings automatically rotate and open towards two sides under the action of the reset torsion spring, then sliding the sleeve to make one end of the opening pass through the male joint and the female joint, and accommodating the male joint and the female joint into the sleeve, and then press two snap rings for the card strip card is in the bayonet lock of snap ring lower part, two fixed snap rings, two snap ring chucking this moment in female joint one side, thereby realize the chucking and connect, avoid male joint and female joint to receive the cable pulling force to drop the damage.

Drawings

Fig. 1 is a schematic perspective view of a heat-resistant and flame-retardant cable and wire according to the present invention;

FIG. 2 is a schematic perspective view of a sleeve of a heat-resistant and flame-retardant cable and wire according to the present invention;

FIG. 3 is a schematic diagram of a plane structure of a snap ring of a heat-resistant and flame-retardant cable wire according to the present invention;

FIG. 4 is a schematic cross-sectional view of a cable body of a heat-resistant and flame-retardant cable wire according to the present invention;

fig. 5 is a schematic bottom sectional view of a sleeve of example 1 of a heat-resistant and flame-retardant cable according to the present invention;

fig. 6 is a schematic bottom sectional view of a sleeve of example 2 of a heat-resistant and flame-retardant cable according to the present invention.

In the figure: 1. a cable body; 2. a male connector; 3. a female joint; 4. a sleeve; 5. a snap ring; 6. a pin shaft; 7. clamping the strip; 8. a bayonet; 9. a rectangular groove; 10. a spring; 11. a limiting block; 12. a wire core; 13. a thermal insulation layer; 14. a flame retardant layer; 15. an anticorrosive layer; 16. covering the outer layer; 17. and a magnet.

Detailed Description

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

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Embodiment 1, refer to fig. 1-5, a heat-resistant and flame-retardant cable wire, including a cable body 1, a male connector 2 is fixedly arranged at one end of the cable body 1, a female connector 3 is installed at one end of the cable body 1, which is far away from the male connector 2, a sleeve 4 is slidably sleeved on the cable body 1, one end of the sleeve 4 is an open structure, a pin shaft 6 is fixedly arranged at the upper part of the open end of the sleeve 4, and a rotating clamping assembly is arranged on the pin shaft 6.

In this embodiment, cable body 1 includes sinle silk 12, and sinle silk 12 outer wall is equipped with insulating layer 13, and the outside parcel of insulating layer 13 has fire-retardant layer 14, and fire-retardant layer 14 outside is equipped with anticorrosive coating 15, and anticorrosive coating 15 outside is equipped with covers outer 16.

In concrete implementation, rotate to block and establish the subassembly and include that the round pin axle 6 goes up two connecting blocks that the cover was established that rotate, two connecting blocks are kept away from one side relatively and are all fixed the snap ring 5 that is equipped with, two connecting blocks all with sell and install the reset torsion spring between the axle 6, be equipped with between snap ring 5 and the sleeve 4 and block into fixed establishment.

Further, card advances fixed establishment and includes that 5 lower extremes of snap ring run through the bayonet socket 8 that its both sides outer wall was seted up, rectangular channel 9 has all been seted up to 5 one end lower part both sides of being close to the snap ring in the sleeve 4, and all draw in rectangular channel 9 and slide and be equipped with

card strip

7, 4 one side outer walls of sleeve are all passed to card strip 7 one end, one side one end is kept away from relatively to two card strips 7 is the inclined plane structure, and two card strips 7 inclined plane one ends insert respectively and locate two bayonet sockets 8 in, card strip 7 is located rectangular channel 9 one end and all fixes being equipped with stopper 11.

Specifically, a spring 10 is fixedly arranged on one side of the limiting block 11, and the other end of the spring 10 is fixedly arranged on one side of the inner wall of the rectangular groove 9.

From the above description, it can be seen that the above embodiment 1 of the present invention achieves the following technical effects: the high-temperature heat generated by the wire core 12 is absorbed by most of the heat insulating layer 13 through the heat insulating layer 13 arranged on the outer wall of the wire core 12, the flame-retardant layer 14 is arranged on the outer part of the heat insulating layer 13, the flame-retardant performance of the cable body 1 is further improved, the anticorrosive layer 15 is arranged on the outer part of the flame-retardant layer 14, corrosion caused by corrosive gas permeation after the cable body 1 is buried is avoided, when two cables are required to be connected, only two cables are required to be connected with the female connector 3 through the male connector 2, tools can be respectively inserted into the two bayonets 8, so that the clamping strips 7 compress the spring 10 and are retracted into the rectangular groove 9 under the extrusion action, the two snap rings 5 are sequentially released, the snap rings 5 automatically rotate to two sides under the action of the reset torsion spring to be opened, then the sleeve 4 is slid to enable one end of the opening of the sleeve 4 to penetrate through the male connector 2 and the female connector 3, and the male connector 2 and the female connector 3 are retracted into the sleeve 4, and then press two snap rings 5 for card strip 7 blocks into bayonet socket 8 of 5 lower parts of snap ring once more, fixed two snap rings 5, two 5 chucking of snap ring in female joint 3 one side this moment, thereby realize the chucking and connect, avoid male joint 2 and female joint 3 to receive 1 pulling force of two cable bodies to drop the damage.

Embodiment 2, referring to fig. 1-4 and 6, only the difference from embodiment 1 is that the inner walls of the side of the limit block 11 and the side of the rectangular groove 9 are both fixedly provided with magnets 17, and the two magnets 17 repel each other magnetically.

The above embodiment 2 of the present invention achieves the following technical effects: the high-temperature heat generated by the wire core 12 is absorbed by most of the heat insulating layer 13 through the heat insulating layer 13 arranged on the outer wall of the wire core 12, the flame-retardant layer 14 is arranged on the outer part of the heat insulating layer 13, the flame-retardant performance of the cable body 1 is further improved, the anticorrosive layer 15 is arranged on the outer part of the flame-retardant layer 14, corrosion caused by corrosive gas permeation after the cable body 1 is buried is avoided, when two cables are required to be connected, only two cables are required to be connected with the female connector 3 through the male connector 2, tools can be respectively inserted into the two bayonets 8, so that the clamping strips 7 are compressed by the extrusion action to compress the two magnets 17 and retract into the rectangular grooves 9, thereby sequentially releasing the two snap rings 5, the snap rings 5 automatically rotate to two sides under the action of the reset torsion spring to open, further, the sleeve 4 is slid to enable one end of the opening of the sleeve 4 to pass through the male connector 2 and the female connector 3, and the male connector 2 and the female connector 3 are accommodated into the sleeve 4, and then press two snap rings 5 for card strip 7 blocks into bayonet socket 8 of 5 lower parts of snap ring once more, fixed two snap rings 5, two 5 chucking of snap ring in female joint 3 one side this moment, thereby realize the chucking and connect, avoid male joint 2 and female joint 3 to receive 1 pulling force of two cable bodies to drop the damage.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a heat-resisting fire-retardant cable wire, includes cable body (1), its characterized in that, fixed male joint (2) that is equipped with of cable body (1) one end, male joint (2) one end is kept away from in cable body (1) and female joint (3) are installed, and sliding sleeve is equipped with sleeve (4) on cable body (1), sleeve (4) one end is open structure, and sleeve (4) opening one end upper portion is fixed and is equipped with round pin axle (6), is equipped with on round pin axle (6) to rotate the card and establishes the subassembly.

2. The heat-resistant flame-retardant cable wire as claimed in claim 1, wherein the cable body (1) comprises a wire core (12), a heat-insulating layer (13) is arranged on the outer wall of the wire core (12), a flame-retardant layer (14) is wrapped outside the heat-insulating layer (13), an anticorrosive layer (15) is arranged outside the flame-retardant layer (14), and a covering outer layer (16) is arranged outside the anticorrosive layer (15).

3. The heat-resistant and flame-retardant cable and wire as claimed in claim 2, wherein the rotating clamping assembly comprises two connecting blocks rotatably sleeved on the pin (6), a snap ring (5) is fixedly arranged on one side of each connecting block, which is far away from the corresponding connecting block, a reset torsion spring is arranged between each connecting block and the pin (6), and a clamping and fixing mechanism is arranged between each snap ring (5) and the corresponding sleeve (4).

4. The heat-resistant flame-retardant cable wire according to claim 3, wherein the clamping and fixing mechanism comprises bayonets (8) formed by penetrating the lower end of the snap ring (5) through the outer walls of the two sides of the snap ring, rectangular grooves (9) are formed in the two sides of the lower portion of one end, close to the snap ring (5), of the sleeve (4), clamping strips (7) are arranged in the rectangular grooves (9) in a sliding mode, one ends of the clamping strips (7) penetrate through the outer wall of one side of the sleeve (4), one ends, far away from one side, of the two clamping strips (7) are both of an inclined surface structure, one ends, inclined surfaces of the two clamping strips (7) are respectively inserted into the two bayonets (8), and limiting blocks (11) are fixedly arranged at one ends, located in the rectangular grooves (9), of the clamping strips (7).

5. The heat-resistant flame-retardant cable wire according to claim 4, wherein the spring (10) is fixedly arranged on one side of the limiting block (11), and the other end of the spring (10) is fixedly arranged on one side of the inner wall of the rectangular groove (9).

6. The heat-resistant flame-retardant cable wire according to claim 4, wherein the inner walls of the side of the limiting block (11) and the side of the rectangular groove (9) are both fixedly provided with magnets (17), and the two magnets (17) repel each other magnetically.