CN217182496U

CN217182496U - Waterproof high-flame-retardant fire-resistant cable

Info

Publication number: CN217182496U
Application number: CN202220222871.8U
Authority: CN
Inventors: 雷腾飞
Original assignee: Kunming Motian Cable Co Ltd
Current assignee: Kunming Motian Cable Co Ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-08-12
Anticipated expiration: 2032-01-26

Abstract

The utility model discloses a high fire-retardant fire resisting cable of waterproof type, be in including cable body (1) and setting respectively the public first subassembly and female first subassembly at cable body (1) both ends, cable body (1) is in including outer parcel layer and setting three piece at least sinle silk (15) of outer parcel in situ portion, sinle silk (15) with between the outer parcel in situ wall and it has rubber (16) that blocks water all to fill between sinle silk (15) and sinle silk (15). The utility model discloses a cable body all fills between sinle silk and outer parcel in situ wall and sinle silk and has the rubber that blocks water, compares the tradition and fills the mode that blocks water the rope or block water the yarn, and its cost is lower to can be better be full of the sinle silk and outer parcel in situ wall between and the gap between sinle silk and the sinle silk, play better effect of blocking water.

Description

Waterproof high-flame-retardant fire-resistant cable

Technical Field

The utility model relates to the technical field of cables, specifically indicate a waterproof type high fire-retardant fire resisting cable.

Background

With the rapid growth of national economy, especially the acceleration of rural and urban power grid construction and transformation pace and the vigorous development of the land industry in various regions, the electric power industry in China is rapidly developed, thereby promoting the development of the electric industry matched with the electric power industry, especially the development of the electric wire and cable industry, and showing the diversified trend of the variety development of the electric wire and cable.

Along with the great increase of the demand of the cable, people also put forward higher requirements on the flame-retardant and fire-resistant performance of the cable, and based on the requirements, the fire-resistant cable is produced. However, the traditional fire-resistant cable cannot well compromise the waterproof performance and cannot meet the environmental requirements of regions with high underground water level or rainy years.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve above-mentioned problem, provide a waterproof type high fire-retardant fire resisting cable, compromise good waterproof performance when it possesses fire resistance, be applicable to the higher or rainy area throughout the year of ground water level.

The purpose of the utility model is realized through the following technical scheme: a waterproof high-flame-retardant fire-resistant cable comprises a cable body, and a male head assembly and a female head assembly which are respectively arranged at two ends of the cable body, wherein the cable body comprises an outer wrapping layer and at least three wire cores arranged in the outer wrapping layer, and water-blocking rubber is filled between each wire core and the inner wall of the outer wrapping layer and between each wire core and each wire core; the male head assembly comprises a connecting male head and a second connecting conductor arranged on the connecting male head; the female head assembly comprises a connecting female head and a first connecting conductor arranged on the connecting female head; the connecting male head on one cable body can be connected with the connecting female head on the other cable body, and when the connecting male head is connected with the connecting female head, the first connecting conductor can be in butt joint with the second connecting conductor; the connecting male head and the connecting female head are respectively clamped at two ends of the cable body through clamping structures.

And a second sealing washer is arranged at the connecting end of the connecting male head.

The outer wrapping layer comprises an inner water-blocking wrapping belt, a polyethylene inner lining layer wrapped outside the inner water-blocking wrapping belt, a ceramic armored fireproof fire-resistant mica tape wrapped outside the polyethylene inner lining layer, an outer water-blocking wrapping belt wrapped outside the ceramic armored fireproof fire-resistant mica tape, a waterproof isolation sleeve wrapped outside the outer water-blocking wrapping belt and an outer sheath wrapped outside the waterproof isolation sleeve; the wire core is positioned at the inner side of the inner water-blocking wrapping tape.

The clamping structure comprises a first mounting through hole arranged on the female connecting head, a second mounting through hole arranged on the male connecting head and clamping components movably arranged in the first mounting through hole and the second mounting through hole respectively; the first connecting conductor is arranged in the first mounting through hole, the second connecting conductor is arranged in the second mounting through hole, and two ends of the cable body penetrate through the clamping assembly and then are respectively contacted with the first connecting conductor and the second connecting conductor.

Conical parts are arranged in the first mounting through hole and the second mounting through hole; the clamping assembly comprises a conical clamping piece, a first sealing washer and a locking head which are sequentially sleeved on the cable body; the cone-shaped clamping piece is located close to one side of the cone-shaped portion, the locking head is in threaded connection with the inner wall of the first installation through hole, and the cone-shaped clamping piece can be pushed into the cone-shaped portion when the locking head is screwed, so that the cone-shaped clamping piece clamps the cable body.

The conical clamping piece comprises a ring body and a plurality of clamping pieces which are uniformly arranged on the ring body in the circumferential direction; a gap is formed between every two adjacent clamping pieces, the clamping pieces extend towards one side of the conical portion, and the clamping pieces can clamp the cable body when being extruded.

The connecting end of the connecting female head is provided with a connecting cavity, the connecting end of the connecting male head is provided with a connecting part, the second sealing washer is arranged at the end part of the connecting part, and the connecting part can be installed in the connecting cavity.

The connecting part is in threaded connection with the inner wall of the connecting cavity.

Compared with the prior art, the method has the following beneficial effects:

(1) the utility model discloses a cable body all fills between sinle silk and outer parcel in situ wall and sinle silk and has the rubber that blocks water, compares the tradition and fills the mode that blocks water the rope or block water the yarn, and its cost is lower to can be better be full of the sinle silk and outer parcel in situ wall between and the gap between sinle silk and the sinle silk, play better effect of blocking water.

(2) The utility model discloses a be provided with waterproof separation sleeve, skin on the cable body and block water band, pottery armour fire prevention fire-resistant mica tape and inlayer band that blocks water for the cable body has good waterproof flame retardant efficiency.

(3) The utility model pushes the conical clamping piece through the locking head, so that the conical clamping piece clamps the cable body conveniently and quickly; meanwhile, a second sealing washer is arranged between the female connector and the male connector, and a first sealing washer is arranged between the conical clamping piece and the locking head, so that the waterproof performance of the joint of the two cable bodies can be improved.

Additional features of the present application will be set forth in part in the description which follows. Additional features of some aspects of the present application will be apparent to those of ordinary skill in the art in view of the following description and accompanying drawings, or in view of the production or operation of the embodiments. The features disclosed in this application may be realized and attained by practice or use of various methods, instrumentalities and combinations of the specific embodiments described below.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. Like reference symbols in the various drawings indicate like elements. Wherein the content of the first and second substances,

fig. 1 is a sectional view of the present invention.

Fig. 2 is a structural diagram of the cable body of the present invention.

Fig. 3 is a sectional view of the female connection head of the present invention.

Fig. 4 is a sectional view of the male connection end of the present invention.

Fig. 5 is a structural diagram of the tapered holding member of the present invention.

Fig. 6 is a schematic view of the connection of two cable bodies.

The reference numbers in the above figures refer to: 1-cable body, 2-locking head, 3-toper holder, 4-connect female head, 5-first connecting conductor, 6-connection chamber, 7-connect public head, 8-second connecting conductor, 9-connecting portion, 10-waterproof separation cover, 11-outer band that blocks water, 12-pottery armour fire-resistant mica tape, 13-polyethylene inner liner, 14-inlayer band that blocks water, 15-sinle silk, 16-rubber that blocks water, 17-first installation through-hole, 18-toper portion, 19-ring body, 20-clamping piece, 21-first seal ring, 22-second seal ring, 23-oversheath, 24-second installation through-hole.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that if the terms "first", "second", etc. are used in the description and claims of this application and in the above-described drawings, they are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, if the terms "comprises," "comprising," or any other variation 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.

In this application, if the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", etc. are referred to, their indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, in this application, the terms "mounted," "disposed," "provided," "connected," "sleeved," and the like should be construed broadly if they are referred to. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

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 application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Examples

As shown in fig. 1, the embodiment discloses a waterproof high-flame-retardant fire-resistant cable, which comprises a cable body 1, and a male assembly and a female assembly respectively arranged at two ends of the cable body 1, wherein the male assembly of one cable body 1 can be connected with the female assembly on the other cable body 1 during use, so that a plurality of cable bodies 1 are connected into a whole.

Specifically, as shown in fig. 2, the cable body 1 includes an outer covering layer and at least three wire cores 15 arranged inside the outer covering layer, and water blocking rubbers 16 are filled between the wire cores 15 and the inner wall of the outer covering layer and between the wire cores 15 and the wire cores 15. The water-blocking rubber can be in good contact with the wire core 15 and the inner wall of the outer wrapping layer, so that gaps between the wire core 15 and the inner wall of the outer wrapping layer and gaps between the wire core 15 and the wire core 15 are fully filled, and a good longitudinal water-blocking effect is achieved.

In addition, as shown in fig. 2, the outer wrapping layer includes an inner water-blocking wrapping tape 14, a polyethylene inner liner 13 wrapped outside the inner water-blocking wrapping tape 14, a ceramic armored fireproof mica tape 12 wrapped outside the polyethylene inner liner 13, an outer water-blocking wrapping tape 11 wrapped outside the ceramic armored fireproof mica tape 12, a waterproof isolation sleeve 10 wrapped outside the outer water-blocking wrapping tape 11, and an outer sheath 23 wrapped outside the waterproof isolation sleeve 10; the wire core 15 is positioned at the inner side of the inner water-blocking wrapping tape 14. This outer parcel layer is through setting up waterproof insulation cover 10, outer band 11 that blocks water, pottery armour fire prevention fire resistant mica tape 12 and inlayer band 14 that blocks water for cable body 1 has good radial waterproof function, and has had good flame retardant efficiency concurrently.

As shown in fig. 1, the male assembly includes a connection male 7 and a second connection conductor 8 provided on the connection male 7, and one end of the cable body 1 can be inserted into the connection male 7 and is in contact with the second connection conductor 8. Accordingly, the female assembly includes a connection female 4 and a first connection conductor 5 provided on the connection female 4, and the other end of the cable body 1 can be inserted into the connection female 4 and contacted with the first connection conductor 5. When the cable is used, the connecting male head 7 on one cable body 1 can be connected with the connecting female head 4 on the other cable body 1, and when the connecting male heads 7 on the two cable bodies 1 are connected with the connecting female heads 4, the first connecting conductors 5 on the two cable bodies can be in butt joint with the second connecting conductors 8, so that the two cable bodies 1 can be conducted.

In order to facilitate better connection of the male connector 7 and the female connector 4, the connecting end of the female connector 4 is provided with a connecting cavity 6, the connecting end of the male connector 7 is provided with a connecting part 9, the inner wall of the connecting cavity 6 and the outer wall of the connecting part 9 are provided with mutually matched threads, the connecting part 9 can be screwed into the connecting cavity 6 by rotating the male connector 7 during connection, and therefore the male connector 7 and the female connector 4 are connected into a whole.

In addition, the end of the connecting part 9 is provided with a second sealing washer 22, when the connecting part 9 is screwed into the connecting cavity 6, the second sealing washer 22 can be attached to the bottom of the connecting cavity 6, and therefore the sealing performance between the connecting male head 7 and the connecting female head 4 can be improved.

The connecting male head 7 and the connecting female head 4 respectively clamp two ends of the cable body 1 through a clamping structure. Specifically, as shown in fig. 3 and 4, the clamping structure includes a first mounting through hole 17 disposed on the connecting female head 4, a second mounting through hole 24 disposed on the connecting male head 7, and clamping components movably disposed in the first mounting through hole 17 and the second mounting through hole 24, respectively; two ends of the cable body 1 respectively penetrate through the clamping components in the first mounting through hole 17 and the second mounting through hole 24 and then respectively contact with the first connecting conductor 5 and the second connecting conductor 8. The second mounting through hole 24 communicates with the connecting portion 9, and the first mounting through hole 17 communicates with the connecting chamber 6. The first and second connecting

conductors

5 and 8 are each in the shape of a "T", and the first and second connecting

conductors

5 and 8 can be prevented from falling out of the first and second mounting through

holes

17 and 24 by being arranged in the shape of a "T", as shown in fig. 1. In addition, the end of the first connecting conductor 5 projects into the connection chamber 6 and the end of the second connecting conductor 8 projects into the connection 9, which facilitates the connection of the first connecting conductor 5 to the second connecting conductor 8. In addition, the second connecting conductor 8 may be provided with a slot, and after the male connector 7 and the female connector 4 are connected, the first connecting conductor 5 is inserted into the slot of the second connecting conductor 8.

In addition, the clamping assembly comprises a conical clamping piece 3, a first sealing washer 21 and a locking head 2 which are sequentially sleeved on the cable body 1. Accordingly, the first mounting through hole 17 and the second mounting through hole 24 are provided with the tapered portions 18, and the tapered clamp 3 is located on the side close to the tapered portions 18. The locking head 2 is in threaded connection with the inner walls of the first installation through hole 17 and the second installation through hole 24, and when the locking head 2 is screwed into the first installation through hole 17 and the second installation through hole 24, the locking head 2 pushes the conical clamping piece 3 to move towards the conical part 18 through the first sealing washer 21, so that the conical clamping piece 3 is squeezed by the conical part 18 to shrink, and the cable body 1 is clamped.

As shown in fig. 5, the tapered clamping member 3 includes a ring body 19 and a plurality of clamping pieces 20 uniformly arranged on the ring body 19 in the circumferential direction. A gap is formed between two adjacent clamping sheets 20, the clamping sheets 20 extend towards one side of the tapered part 18, and when the tapered clamping piece 3 is pushed into the tapered part 18, the tapered part 18 presses the clamping sheets 20, so that the clamping sheets 20 clamp the cable body 1.

When two cable bodies 1 are connected, the connecting portion 9 of the connecting male head 7 on one cable body 1 is screwed into the connecting cavity 6 of the connecting female head 4 of the other cable body 1, then the ends of the two cable bodies 1 are respectively inserted into the connecting male head 7 and the connecting female head 4, and the two ends of the cable body 1 are respectively abutted against the first connecting conductor 5 and the second connecting conductor 8, at the moment, the first connecting conductor 5 and the second connecting conductor 8 are mutually inserted, and finally the locking head 2 is screwed into the first mounting through hole 17, so that the conical clamping piece 3 can clamp the cable body 1, as shown in fig. 6.

It should be noted that all of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.

In addition, the above embodiments are exemplary, and those skilled in the art can devise various solutions in light of the disclosure, which are also within the scope of the disclosure and the protection scope of the present invention. It should be understood by those skilled in the art that the present specification and drawings are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.

Claims

1. The utility model provides a waterproof type high fire-retardant fire resisting cable, includes cable body (1) and sets up respectively the public first subassembly and the female first subassembly at cable body (1) both ends, cable body (1) is in including outer parcel layer and setting three piece at least sinle silk (15) of outer parcel in situ portion, its characterized in that: water-blocking rubber (16) is filled between the wire core (15) and the inner wall of the outer wrapping layer and between the wire core (15) and the wire core (15); the male head assembly comprises a connecting male head (7) and a second connecting conductor (8) arranged on the connecting male head (7); the female head assembly comprises a connecting female head (4) and a first connecting conductor (5) arranged on the connecting female head (4); the male connecting head (7) on one cable body (1) can be connected with the female connecting head (4) on the other cable body (1), and when the male connecting head (7) is connected with the female connecting head (4), the first connecting conductor (5) can be in butt joint with the second connecting conductor (8); the connecting male head (7) and the connecting female head (4) are used for clamping two ends of the cable body (1) respectively through clamping structures.

2. The waterproof type high flame-retardant fire-resistant cable according to claim 1, characterized in that: and a second sealing washer (22) is arranged at the connecting end of the connecting male head (7).

3. The waterproof type high flame-retardant fire-resistant cable according to claim 1, characterized in that: the outer wrapping layer comprises an inner water-blocking wrapping tape (14), a polyethylene inner lining layer (13) wrapping the outer side of the inner water-blocking wrapping tape (14), a ceramic armor fireproof mica tape (12) wrapping the outer side of the polyethylene inner lining layer (13), an outer water-blocking wrapping tape (11) wrapping the outer side of the ceramic armor fireproof mica tape (12), a waterproof isolation sleeve (10) wrapping the outer side of the outer water-blocking wrapping tape (11) and an outer sheath (23) wrapping the outer side of the waterproof isolation sleeve (10); the wire core (15) is positioned at the inner side of the inner water-blocking wrapping tape (14).

4. The waterproof type high flame-retardant fire-resistant cable according to claim 1, characterized in that: the clamping structure comprises a first mounting through hole (17) arranged on the female connecting head (4), a second mounting through hole (24) arranged on the male connecting head (7) and clamping components respectively and movably arranged in the first mounting through hole (17) and the second mounting through hole (24); the first connecting conductor (5) is arranged in the first mounting through hole (17), the second connecting conductor (8) is arranged in the second mounting through hole (24), and two ends of the cable body (1) penetrate through the clamping assembly and then are respectively contacted with the first connecting conductor (5) and the second connecting conductor (8).

5. The waterproof type high flame retardant fire resistant cable according to claim 4, characterized in that: conical parts (18) are arranged in the first mounting through hole (17) and the second mounting through hole (24); the clamping assembly comprises a conical clamping piece (3), a first sealing washer (21) and a locking head (2), which are sequentially sleeved on the cable body (1); toper holder (3) are located and are close to toper portion (18) one side, lock head (2) with first installation through-hole (17) inner wall threaded connection, and twist and move can during locking head (2) toper holder (3) push toper portion (18), make toper holder (3) centre gripping cable body (1).

6. The waterproof type high flame retardant fire resistant cable according to claim 5, characterized in that: the conical clamping piece (3) comprises a ring body (19) and a plurality of clamping pieces (20) which are uniformly arranged on the ring body (19) in the circumferential direction; a gap is formed between every two adjacent clamping sheets (20), the clamping sheets (20) extend towards one side of the conical part (18), and the clamping sheets (20) can clamp the cable body (1) when being extruded.

7. The waterproof type high flame-retardant fire-resistant cable according to claim 2, characterized in that: the connecting end of the female connecting head (4) is provided with a connecting cavity (6), the connecting end of the male connecting head (7) is provided with a connecting part (9), the second sealing washer (22) is arranged at the end part of the connecting part (9), and the connecting part (9) can be installed in the connecting cavity (6).

8. The waterproof type high flame-retardant fire-resistant cable according to claim 7, characterized in that: the connecting part (9) is in threaded connection with the inner wall of the connecting cavity (6).