CN116526410B

CN116526410B - Control cable terminal

Info

Publication number: CN116526410B
Application number: CN202310768840.1A
Authority: CN
Inventors: 冯子刚; 孙玉波; 孙岩; 曹秀静; 曹坤
Original assignee: Gaomi City Power Supply Company State Grid Shandong Electric Power Co; Weifang Power Supply Co of State Grid Shandong Electric Power Co Ltd
Current assignee: Gaomi City Power Supply Company State Grid Shandong Electric Power Co; Weifang Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date: 2023-06-28
Filing date: 2023-06-28
Publication date: 2023-09-19
Anticipated expiration: 2043-06-28
Also published as: CN116526410A

Abstract

The utility model relates to a control cable terminal, which belongs to the technical field of cable installation and comprises a wrapping ring used for wrapping the cable terminal, wherein a fracture is formed in the wrapping ring, the wrapping ring comprises a fireproof rubber layer, a fireproof foam layer is arranged on the inner side of the fireproof rubber layer, at least one rack is arranged at one end of the outer wall of the fracture of the fireproof rubber layer, limit through holes with the same number as the racks are formed in the other end of the outer wall of the fracture of the fireproof rubber layer, tooth shapes matched with the racks are formed in the inner wall of the limit through holes, and two welding pieces are fixedly arranged at the lower end of the fracture of the fireproof rubber layer. The utility model is coated on the control cable terminal, the rack penetrates into the limiting through hole, the rack is pulled, the control cable is clamped by the coating ring, the deformation effect of the fireproof foam layer is good, the sealing effect and the waterproof effect are good, meanwhile, the adaptability to cables of different types is strong, the appearance is attractive, and the installation is convenient and quick.

Description

Control cable terminal

Technical Field

The utility model relates to a control cable terminal, and belongs to the technical field of cable installation.

Background

The transformer substation control cable terminal adopts traditional plastic tape winding mode all the time, and after winding to the diameter thickness of the same as the cable, the transformer substation control cable terminal adopts the pyrocondensation pipe to heat and retract fixedly. The mode has the defects of low installation efficiency, attractive appearance, uncontrollable thickness, poor sealing effect, poor insulating effect and the like.

The Chinese patent application No. CN202223127172.4 discloses a cable terminal, in particular to a cable terminal with temperature sensing. The utility model provides the cable terminal which is convenient to detach and install, has a warning function and has temperature sensing. The utility model relates to a cable terminal with temperature sensing, which comprises a first casing, a second casing, a nut, a terminal and a temperature detector, wherein the second casing is arranged on the right side of the first casing, the nut is arranged between the first casing and the lower part of the second casing in a threaded manner, the terminal is arranged between the first casing and the upper part of the second casing in a threaded manner, and the first casing and the second casing are matched with the inner side of the bottom of the terminal after being covered. Can reach convenient to detach and installation cable terminal's effect through first cover shell, second cover shell, nut and end, can detect the temperature to cable terminal through temperature detector afterwards, when the temperature is too high, temperature detector can send out the alarm and remind the staff. The sealing effect of this technical scheme to the cable is poor, and the water-proof effects is poor, and is poor to the adaptability of different model cables simultaneously.

Disclosure of Invention

The utility model aims to solve the technical problems of poor sealing effect, poor waterproof effect and poor adaptability in the prior art and provides a control cable terminal.

The utility model is realized by the following technical scheme:

the control cable terminal comprises a coating ring for coating the cable terminal, wherein the coating ring is provided with a fracture, the coating ring comprises a fireproof rubber layer, the inner side of the fireproof rubber layer is provided with a fireproof foam layer, one end of the outer wall of the fracture of the fireproof rubber layer is provided with at least one rack, the other end of the outer wall of the fracture of the fireproof rubber layer is provided with limiting through holes with the same number as the racks, and the inner wall of each limiting through hole is provided with tooth shapes matched with the racks;

two welding sheets are fixedly arranged at the lower end of the fracture of the fireproof rubber layer.

The utility model is coated on the control cable terminal, the rack penetrates into the limiting through hole, the rack is pulled, the control cable is clamped tightly by the coating ring, the deformation effect, the sealing effect and the waterproof effect of the fireproof foam layer are all good, meanwhile, the adaptability to cables of different types is also strong, the appearance is attractive, and the installation is convenient and quick.

Further preferably, the welding piece is made of copper. The grounding wire is welded and fixed with the welding piece, and the grounding effect is good.

Further preferably, one of the welding pieces is a welding piece I, at least one lug is arranged on the welding piece I, the other welding piece is a welding piece II, and the welding piece II is provided with welding holes with the same quantity as the lugs. The lug is embedded into the welding hole, then welding is carried out, the welding operation is convenient, and the stability of the welding structure is good.

Further preferably, at least two raised lines are arranged on the inner wall of the fireproof foam layer, and the raised lines are uniformly distributed on the inner wall of the circular section of the fireproof foam layer. The control cables are generally all together, and the sand grip embedding is filled in the gap between adjacent control cables, and sealed effect and water-proof effects are better.

Further preferably, both side walls of the convex strip are in a concave arc shape. The laminating degree in gap between sand grip lateral wall and the adjacent control cable is higher, further improves sealed effect and water-proof effects.

Further preferably, a socket is formed at one end of the fracture of the fireproof rubber layer, and a conical plug matched with the socket in shape is formed at the other end of the fracture of the fireproof rubber layer. In the pulling rack, the conical plug is inserted into the socket, and the wrapping ring wraps the control cable terminal more firmly, so that the sealing effect and the waterproof effect are better.

Further preferably, the cross-sectional shape of the socket and the tapered plug is triangular. The triangular structural design can ensure the smoothness of the cooperation of the socket and the conical plug.

Further preferably, the inner end of the socket is provided with an extended socket having a rectangular cross-sectional shape. The conical plug is finally inserted into the extension socket, so that the stability of the coated control cable is further improved.

Compared with the prior art, the utility model has the following beneficial effects:

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of an embodiment of the present utility model.

Fig. 2 is a schematic top view of a fireproof foam layer according to an embodiment of the present utility model.

In the figure: 1. a fire-resistant rubber layer; 2. a fireproof foam layer; 3. a convex strip; 4. a socket; 5. a conical plug; 6. limiting through holes; 7. a rack; 8. welding a first sheet; 9. a bump; 10. welding the second joint sheet; 11. and welding holes.

Detailed Description

The following detailed description of the utility model refers to the accompanying drawings.

The control cable terminal as shown in fig. 1 and 2 comprises a coating ring for coating the cable terminal, wherein a fracture is formed in the coating ring, the coating ring comprises a fireproof rubber layer 1, a fireproof foam layer 2 is arranged on the inner side of the fireproof rubber layer 1, at least one rack 7 is arranged at one end of the outer wall of the fracture of the fireproof rubber layer 1, limit through holes 6 with the same number as the racks 7 are formed in the other end of the outer wall of the fracture of the fireproof rubber layer 1, and tooth shapes matched with the racks 7 are arranged on the inner wall of the limit through holes 6;

two welding sheets are fixedly arranged at the lower end of the fracture of the fireproof rubber layer 1.

The utility model is coated on the control cable terminal, the rack 7 penetrates into the limiting through hole 6, the rack 7 is pulled, the control cable is clamped by the coating circular ring, the deformation effect, the sealing effect and the waterproof effect of the fireproof foam layer 2 are good, meanwhile, the adaptability to cables of different types is also strong, the appearance is attractive, and the installation is convenient and quick.

Wherein, the welding piece adopts the material copper to make, and one of them welding piece is welding piece one 8, is equipped with at least one lug 9 on the welding piece one 8, and the other welding piece of lug 9 is welding piece two 10, has seted up the welding hole 11 the same with lug 9 quantity on the welding piece two 10, and the cross-sectional shape of lug 9 is the rectangle, and four arriss on lug 9 top are the right angle design, and the welding hole 11 of being convenient for can be more convenient, swift cover on lug 9.

Wherein, be equipped with two at least sand grip 3 on the cotton layer 2 inner wall of fire prevention bubble, sand grip 3 evenly distributed on the cotton layer 2 circular cross-section inner wall of fire prevention bubble. The control cables are generally all together, and the sand grip 3 embedding is filled in the gap between adjacent control cables, and sealed effect and water-proof effects are better. The two side walls of the raised line 3 are in a concave arc shape. The laminating degree in gap between sand grip 3 lateral wall and the adjacent control cable is higher, further improves sealed effect and water-proof effects.

Wherein, socket 4 has been seted up to one of them one end of fire prevention rubber layer 1 fracture department, and the conical plug 5 with socket 4 shape adaptation has been seted up to the other end of fire prevention rubber layer 1 fracture department, and socket 4, conical plug 5's cross-sectional shape are triangle-shaped, and socket 4 inner is equipped with the extension socket 4 that cross-sectional shape is the rectangle. In the pulling rack 7's in-process, conical plug 5 inserts in socket 4, and cladding ring cladding control cable terminal is more firm, and sealed effect and water-proof effects are also better, and conical plug 5 triangle-shaped's structural design can guarantee socket 4 and conical plug 5 complex smoothness degree. The conical plug 5 is finally inserted into the extension socket 4, further improving the stability of the coated control cable.

Working principle:

In the present specification, each embodiment is described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same and similar parts between the embodiments are only required to be referred to each other.

The terms "upper", "lower", "outside", "inside", and the like in the description and in the claims of the present utility model and in the above drawings, if any, are used for distinguishing between relative relationships in position and not necessarily for giving qualitative sense. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a control cable terminal, including the cladding ring that is used for wrapping up cable terminal, a serial communication port, be equipped with the fracture on the cladding ring, the cladding ring includes fire prevention rubber layer (1), fire prevention rubber layer (1) inboard is equipped with fire prevention bubble cotton layer (2), one of them one end of fracture department outer wall of fire prevention rubber layer (1) is equipped with at least one rack (7), spacing through-hole (6) the same with rack (7) quantity are offered to the other end of fracture department outer wall of fire prevention rubber layer (1), be equipped with on the inner wall of spacing through-hole (6) with rack (7) looks adaptation profile of tooth;

two welding sheets are fixedly arranged at the lower end of the fracture of the fireproof rubber layer (1);

one end of the fracture of the fireproof rubber layer (1) is provided with a socket (4), the other end of the fracture of the fireproof rubber layer (1) is provided with a conical plug (5) which is matched with the socket (4) in shape, the cross sections of the socket (4) and the conical plug (5) are triangular, and the inner end of the socket (4) is provided with an extension socket (4) with a rectangular cross section.

2. A control cable termination according to claim 1, wherein the solder tab is made of copper.

3. A control cable termination according to claim 2, characterised in that one of the welding tabs is a first welding tab (8), at least one projection (9) is provided on the first welding tab (8), the other welding tab is a second welding tab (10), and the second welding tab (10) is provided with the same number of welding holes (11) as the projections (9).

4. A control cable termination according to claim 1, characterised in that the inner wall of the layer (2) is provided with at least two ribs (3), the ribs (3) being evenly distributed on the inner wall of the circular cross section of the layer (2).

5. A control cable termination according to claim 4, characterised in that the ribs (3) have a concave arc shape on both sides.