Low-temperature-resistant cable

Abstract

The utility model relates to the technical field of cables, and discloses a low-temperature-resistant cable which comprises a first cable, a collecting mechanism is arranged outside the first cable, and a splicing mechanism is arranged at one end of the first cable. The splicing mechanism comprises a splicing cylinder, the splicing cylinder is arranged outside the first cable, a second cable is arranged at the end, away from the first cable, of the splicing cylinder, a plurality of clamping grooves are formed in the splicing cylinder, two limiting clamping blocks are slidably connected to the inner wall of the first cable, and two fixing grooves are formed in the outer side of the first cable. Compression springs are arranged in the fixing grooves. According to the utility model, the limiting clamping block is inserted into the clamping groove in the splicing cylinder by moving the cable I, so that the limiting clamping block is quickly positioned, the cable I and the cable II are firmly spliced and are detachable, and the insulating property of the splicing part is enhanced through the insulating pad outside the splicing cylinder; therefore, the effects of rapid splicing, firm disassembly and high insulation performance are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable technical field especially relates to a low temperature resistant cable. BACKGROUND

[0002] Cable is an important part of modern social infrastructure, undertakes the key task of transmission power, signal and data. Widely used in power, communication, industrial automation, construction engineering and household equipment etc. field, the continuous development of cable technology plays a vital role in economy, science and technology progress and energy supply guarantee, the existing cable due to low temperature can lead to material embrittlement and unstable conductor transmission performance, often appear conductor and reduce the conductivity or fracture due to low temperature environment influence, for this need a kind of low temperature resistant cable;

[0003] However, the existing cable is spliced as a common extension or repair method, and the connection is realized by thread, welding or bonding in the current technology. Although these methods can achieve a certain degree of connection effect, they are complex to operate and have low efficiency, and the performance stability of the conductor in the low temperature environment is poor, which is prone to fracture or transmission failure. To solve the above problems, the technical personnel in the field propose a low temperature resistant cable. SUMMARY

[0004] To make up for the above shortcomings, the utility model provides a kind of low temperature resistant cable, to improve the existing cable its splicing as a common extension or repair method, the connection is realized by thread, welding or bonding in the current technology. Although these methods can achieve a certain degree of connection effect, they are complex to operate and have low efficiency.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of low temperature resistant cable, including cable one, the outside of cable one is provided with collection mechanism, one end of the cable one is provided with splicing mechanism;

[0006] The splicing mechanism includes a splicing barrel, the splicing barrel is arranged outside the cable one, the splicing barrel is provided with cable two away from one end of the cable one, a plurality of clamping grooves are formed in the inside of the splicing barrel, two limiting clamping blocks are slidably connected to the inner wall of the cable one, two fixed grooves are formed in the outer side of the cable one, and a compression spring is arranged in the inside of the fixed groove.

[0007] Further, the collection mechanism includes a sleeve ring, the inner wall of the sleeve ring is slidably connected to the outside of the cable one, the outside of the sleeve ring is fixedly connected with an arc-shaped clamping block, and the two ends of the arc-shaped clamping block are fixedly connected with elastic protrusions.

[0008] Further, a plurality of conductors are installed in the inside of the cable one, and an insulating pad is arranged on the outside of the splicing barrel.

[0009] Further, the longitudinal section of the limiting block is square, and the limiting block is in plug-in fit with the clamping groove.

[0010] Further, one end of the compression spring is fixedly connected to the outside of the fixed groove, and the other end of the compression spring away from the fixed groove is fixedly connected to the inner wall of the cable one.

[0011] Further, the cable one is composed of a wear-resistant layer, a buffer layer and an insulating layer in sequence, so as to ensure stability in a low-temperature environment.

[0012] Further, the wear-resistant layer is made of thermoplastic polyurethane, and the thermoplastic polyurethane has excellent oil resistance and environmental stress cracking resistance.

[0013] Further, the buffer layer is a polyester tape, and the polyester tape fills the internal gap of the cable; and the insulating layer is polyethylene, and the polyethylene has good electrical insulation performance and low-temperature crack resistance.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, the limiting block is inserted into the clamping groove in the inside of the splicing barrel through the movement of the cable one, the limiting block is quickly positioned, the cable one and the cable two are spliced firmly and detachably. Meanwhile, the insulating pad outside the splicing barrel enhances the insulation performance of the splicing part, ensures the safety and stability of the cable in a low-temperature environment, so that the effects of quick splicing, firm dismounting and high insulation performance are achieved, and the problems of complex installation, low efficiency and poor insulation performance in the prior art are solved.

[0016] 2. In the utility model, the sleeve ring slides along the outer wall of the cable one, the arc-shaped clamping block fixedly connected to the outside of the sleeve ring restrains and collects the cable, the elastic lugs at the two ends of the arc-shaped clamping block quickly arrange the cable through adjustable clamping force, and the stability and convenience of the cable in different working states are ensured, so that the effects of flexible arrangement and quick clamping are achieved, and the problems of low collection efficiency and poor clamping fixing performance in the prior art are solved. DRAWINGS

[0017] Figure 1 It is a perspective view of the low-temperature-resistant cable according to the utility model;

[0018] Figure 2 It is a limiting block structure schematic view of the low-temperature-resistant cable according to the utility model;

[0019] Figure 3 It is a compression spring structure schematic view of the low-temperature-resistant cable according to the utility model;

[0020] Figure 4The utility model provides a kind of conductor structure schematic diagram of low temperature resistant cable.

[0021] Legend:

[0022] 1, cable one;2, cable two;3, splicing mechanism;301, splicing barrel;302, clamping groove;303, limit block;304, compression spring;305, fixed slot;4, collection mechanism;401, collar;402, arc clamping block;403, elastic lug;5, wear layer;6, buffer layer;7, insulating layer;8, conductor. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] Referring to Figure 1 , Figure 2 and Figure 3 , the utility model provides an embodiment: a kind of low temperature resistant cable, including cable one 1, cable one 1 is externally provided with collection mechanism 4, collection mechanism 4 is used to constrain and arrange cable, one end of cable one 1 is provided with splicing mechanism 3, splicing mechanism 3 is used to realize the quick connection between cable.

[0025] Referring to Figure 1 , Figure 2 and Figure 3 , splicing mechanism 3 includes splicing barrel 301, splicing barrel 301 is arranged at the outside of cable one 1, splicing barrel 301 is used to connect cable one 1 and cable two 2, splicing barrel 301 is provided with cable two 2 away from one end of cable one 1, cable two 2 is used to realize the extension of cable, a plurality of clamping grooves 302 are arranged in the inside of splicing barrel 301, clamping groove 302 is used to limit the sliding range of limit block 303, two limit blocks 303 are slidably connected to the inner wall of cable one 1, limit block 303 is used to provide the stability of splicing, two fixed slots 305 are arranged on the outside of cable one 1, fixed slot 305 is used to accommodate compression spring 304, compression spring 304 is arranged in the inside of fixed slot 305, and compression spring 304 is used to provide elastic recovery force. The longitudinal section of limit block 303 is square, and limit block 303 is inserted into clamping groove 302. One end of compression spring 304 is fixedly connected to the outside of fixed slot 305, for supporting the installation position of compression spring 304, the end of compression spring 304 away from fixed slot 305 is fixedly connected to the inner wall of cable one 1, for providing elastic force to limit block 303.

[0026] With reference to Figure 1 The collecting mechanism 4 comprises a sleeve 401, the inner wall of the sleeve 401 is slidingly connected to the outside of the cable one 1, the sleeve 401 is used to move freely along the outer wall of the cable one 1 to adapt to different use requirements, the outside of the sleeve 401 is fixedly connected with an arc-shaped clamping block 402, the arc-shaped clamping block 402 is used to constrain the cable, and the two ends of the arc-shaped clamping block 402 are fixedly connected with elastic lugs 403, and the elastic lugs 403 are used to provide elastic clamping force.

[0027] With reference to Figure 1 And Figure 4 A plurality of conductors 8 are installed in the inside of the cable one 1, the conductors 8 are used to provide power, the outside of the splicing barrel 301 is provided with an insulating pad, the insulating pad is used to enhance the insulation performance of the splicing part, the cable one 1 is sequentially composed of a wear-resistant layer 5, a buffer layer 6 and an insulating layer 7, which is used to ensure stability in a low-temperature environment, the wear-resistant layer 5 is made of thermoplastic polyurethane, which is used to improve the wear resistance and oil resistance of the outside of the cable, the buffer layer 6 is provided as a polyester tape, which is used to fill the gaps in the inside of the cable to prevent friction and damage between the conductors 8, and the insulating layer 7 is provided as polyethylene, which is used to provide excellent electrical insulation performance and low-temperature crack resistance to ensure the safety of the cable in harsh environments.

[0028] Working principle: when the cable one 1 and the cable two 2 are spliced, the limiting clamping block 303 is inserted into the clamping groove 302 in the inside of the splicing barrel 301 by moving the cable one 1, so that the limiting clamping block 303 is positioned in the clamping groove 302 of the splicing barrel 301, so that the cable one 1 and the cable two 2 are spliced firmly and can be disassembled, and the insulating pad outside the splicing barrel 301 improves the insulation effect of the splicing part;

[0029] The plurality of conductors 8 in the inside of the cable one 1 provide stable transmission functions of power or signals, in a low-temperature environment, the sleeve 401 is slidingly connected to the outside of the cable one 1, can move freely along the outer wall of the cable, the arc-shaped clamping block 402 fixedly connected to the outside of the sleeve 401 plays a role in restraining and collecting the cable, and the elastic lugs 403 at the two ends of the arc-shaped clamping block 402 provide adjustable clamping force, so that the cable can be quickly arranged in different working states.

[0030] The wear-resistant layer 5 is made of thermoplastic polyurethane material, which can provide excellent wear resistance and oil resistance, and effectively resist environmental stress cracking in a low-temperature environment, and the buffer layer 6 is composed of a polyester tape, which is used to fill the gaps in the inside of the cable, avoiding friction and displacement between the conductors 8, thereby improving the overall stability of the cable, and the innermost insulating layer 7 is made of polyethylene, which can provide good electrical insulation performance and low-temperature crack resistance, thereby ensuring the insulation and reliability of the cable.

[0031] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A low temperature resistant cable comprising a cable (1), characterized in that: The outer part of the cable (1) is provided with a collection mechanism (4), one end of the cable (1) is provided with a splicing mechanism (3); The splicing mechanism (3) comprises a splicing barrel (301), the splicing barrel (301) is arranged on the outer part of the cable (1), the splicing barrel (301) is provided with a cable (2) away from one end of the cable (1), a plurality of clamping grooves (302) are arranged in the splicing barrel (301), two limiting clamping blocks (303) are slidably connected to the inner wall of the cable (1), two fixed grooves (305) are arranged on the outer side of the cable (1), and a compression spring (304) is arranged in the fixed groove (305).

2. A low temperature resistant cable according to claim 1, characterized in that: The collection mechanism (4) comprises a sleeve ring (401), the inner wall of the sleeve ring (401) is slidably connected to the outer part of the cable (1), the outer part of the sleeve ring (401) is fixedly connected with an arc-shaped clamping block (402), and the two ends of the arc-shaped clamping block (402) are fixedly connected with elastic protrusions (403).

3. A low temperature resistant cable according to claim 1, characterized in that: A plurality of conductors (8) are mounted in the cable (1), and the outer part of the splicing barrel (301) is provided with an insulating pad.

4. A low temperature resistant cable according to claim 1, characterized in that: The longitudinal section of the limiting clamping block (303) is square, and the limiting clamping block (303) is in plug-in fit with the clamping groove (302).

5. A low temperature resistant cable according to claim 1, characterized in that: One end of the compression spring (304) is fixedly connected to the outer part of the fixed groove (305), and the other end of the compression spring (304) is fixedly connected to the inner wall of the cable (1).

6. A low temperature resistant cable according to claim 1, characterized in that: The cable (1) is composed of a wear-resistant layer (5), a buffer layer (6) and an insulating layer (7) in sequence, so as to ensure the stability in low temperature environment.

7. A low temperature resistant cable according to claim 6, characterized in that: The wear-resistant layer (5) is made of thermoplastic polyurethane, which has excellent oil resistance and environmental stress cracking resistance.

8. A low temperature resistant cable according to claim 6, characterized in that: The buffer layer (6) is made of polyester tape, which fills the internal space of the cable, the insulating layer (7) is made of polyethylene, which has good electrical insulation performance and low temperature crack resistance.

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