Cold shrink cable terminal

Abstract

The utility model discloses a cold shrink cable terminal, and relates to the technical field of power equipment. The cable comprises a cable body and a total insulation sleeve sleeved on the surface of the cable body, the side end of the cable body is provided with three split cables, and the cable also comprises a cold contraction terminal sleeved on the surface of the split cables and used for protecting the split cables; a fastening column is arranged on one side of the surface of the cold shrinkage terminal head, a connecting plate is arranged on the other side of the surface of the cold shrinkage terminal head, and a group of connecting assemblies used for quickly closing the three split cables are arranged between the fastening column and the connecting plate; the separating assembly is arranged on one side of the connecting plate and used for releasing the closed connection of the fastening column and the connecting plate. The connecting assembly is arranged on the surface of the cold shrinkage terminal head and is integrated with the cold shrinkage terminal head, so that an additional preset structure on the cable is not needed, the working efficiency is effectively improved, the connecting effect is more stable, and the use is convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric power equipment, in particular to a cold shrink cable terminal head. Background Art

[0002] Cold shrink cable terminal head is a component of various cable accessories made of elastomeric materials (commonly used are silicone rubber and EPDM rubber) injection vulcanized in the factory, and then expanded and lined with plastic spiral supports. During on-site installation, these pre-expanded parts are put on the treated cable ends or joints, and the internal supporting plastic spiral strips (supports) are pulled out and pressed against the cable insulation to form a cable accessory. Because it relies on elastic retraction force at room temperature, rather than heat shrink cable accessories that shrink by fire, it is commonly known as cold shrink cable accessories.

[0003] After searching, a Chinese patent with patent publication number CN220325264U discloses a cold shrink cable terminal with good fixing effect, which relates to the technical field of power equipment, and comprises: a cable, a cold shrink insulating tube is fixedly connected to the upper part of the cable, a cold shrink terminal head is arranged on the upper part of the cold shrink insulating tube, a plurality of umbrella skirts are arranged on the cold shrink insulating tube and above the cold shrink terminal head, and a connector terminal is fixedly connected to the upper part of the cold shrink insulating tube; when the patent is used, the three cold shrink insulating tubes can be brought close to each other by the mutual cooperation of the set fixing block, connecting block, clamping block, support column, matching seat and clamping groove, but it is necessary to preset the support column on the cable, and connect the three cold shrink insulating tubes through the support column. When the support column is preset on the side end of the cable during normal use, it will increase the working steps, reduce the working efficiency, and it is inconvenient to collect the cold shrink insulating tube.

[0004] In view of the above problems, the utility model document proposes a cold shrink cable terminal head. Utility Model Content

[0005] The purpose of the utility model is to provide a cold shrink cable terminal head, in which the connection component can be arranged on the surface of the cold shrink terminal head, and the cold shrink terminal head is integrated with the cold shrink terminal head. There is no need for additional preset structure on the cable, which effectively improves work efficiency. At the same time, the connection effect is more stable and convenient to use, solving the existing technical problems.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The cold shrink cable terminal head comprises a cable body and a general insulating sleeve sleeved on the surface of the cable body, and three split cables are arranged at the side end of the cable body, and also comprises:

[0008] A cold shrink terminal head, which is sleeved on the surface of the split cable to protect the split cable;

[0009] A fastening column is provided on one side of the surface of the cold shrink terminal head, a connecting plate is provided on the other side of the surface of the cold shrink terminal head, and a group of connecting components for quickly closing three split cables is provided between the fastening column and the connecting plate;

[0010] A separation component, which is arranged on one side of the connecting plate and is used to release the close connection between the fastening column and the connecting plate;

[0011] A plurality of sheds are uniformly fixed on the surface of the cold shrink terminal head to protect the split cables.

[0012] Optionally, each group of the connecting components includes a connecting column fixed to the side end of the connecting plate, a receiving groove for accommodating the connecting column is provided in the fastening column, a first groove is provided in the connecting column, two sliders slide in the first groove, a clamping spring is fixed between the two sliders, and clamping rods are fixed at the ends of the two sliders away from each other, and two clamping grooves connected to the receiving groove are provided in the fastening column, and the two clamping rods are respectively clamped with the two clamping grooves.

[0013] Optionally, semicircular clamping heads are fixed to the ends of the two clamping rods that are away from each other.

[0014] Optionally, an arc-shaped positioning plate is fixed in the accommodating groove, and the arc surface of the arc-shaped positioning plate matches the surface of the clamping rod.

[0015] Optionally, each group of the separation components includes a second groove opened in the connecting plate and connected to the first groove, two paddles slide in the second groove, and the two paddles are respectively fixed to the side ends of the two sliding blocks.

[0016] Optionally, a connecting ring is provided on the surface of the cold shrink terminal head, and the fastening column and the connecting plate are respectively fixed on both sides of the connecting ring surface, and a connecting glue for connecting the connecting ring and the cold shrink terminal head is provided between the connecting ring and the cold shrink terminal head, and the connecting glue is away from the fastening column and the connecting plate.

[0017] In the present application, when in use, after the cold shrink terminal head is installed on the surface of the split cable according to the steps for installing the cold shrink cable terminal head, the two paddles are moved in the approaching direction so that the two paddles respectively drive the two clamping rods into the first groove through the two sliders. After the connecting column is aligned with the accommodating groove and inserted, the paddles are released, and the two clamping rods are respectively pushed into the two clamping grooves through the elasticity of the clamping spring, and the connecting column is fixed in the fastening column to realize the connection between the fastening column and the connecting plate, thereby realizing the merging of the two split cables. In this way, the three groups of connecting components between the three cold shrink terminal heads are fixed reciprocatingly, so that the three cold shrink terminal heads can be stably merged.

[0018] In the utility model, the cold shrink cable terminal head can achieve the effect of quickly merging and gathering three separate cables through the connection component;

[0019] In the utility model, the cold shrink cable terminal head can achieve the effect of quickly releasing the gathered state of the three split cables by separating the components;

[0020] In this technical solution, a connecting component is arranged on the surface of the cold shrink terminal head, so that three cold shrink terminal heads and three split cables can be quickly merged and gathered. The connecting component is arranged on the surface of the cold shrink terminal head and is integrated with the cold shrink terminal head. There is no need for additional preset structure on the cable, which effectively improves work efficiency. At the same time, the connection effect is more stable and convenient to use.

[0021] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 It is the main stereoscopic view in the utility model;

[0024] Figure 2 It is a cross-sectional view in the utility model;

[0025] Figure 3 For the utility model Figure 2 A partial enlarged view of the middle A;

[0026] Figure 4 It is the first partial cross-sectional view in the utility model;

[0027] Figure 5 For the utility model Figure 4 A partial enlarged view of point B in the middle;

[0028] Figure 6 It is the second partial cross-section in the utility model;

[0029] Figure 7 It is a partial three-dimensional structure in the utility model.

[0030] In the figure: 1. Cable body; 2. Main insulating sleeve; 3. Cold shrink terminal head; 31. Connecting glue; 4. Split cable; 5. Umbrella skirt; 6. Connecting ring; 7. Fastening column; 8. Connecting plate; 9. Card slot; 10. Card rod; 11. Semicircular card head; 12. Accommodating groove; 13. First groove; 14. Card spring; 15. Slider; 16. Connecting column; 17. Second groove; 18. Pick; 19. Arc positioning plate. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] In the description of the present invention, it should be understood that the terms "opening", "upper", "middle", "length", "inside" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0033] In order to keep the following description of the embodiments of the present invention clear and concise, the present invention omits detailed descriptions of known functions and known components.

[0034] Embodiment 1

[0035] See also Figure 1-Figure 7 As shown, in this embodiment, a cold shrink cable terminal head is provided, including a cable body 1 and a general insulating sleeve 2 sleeved on the surface of the cable body 1, and three split cables 4 are provided at the side end of the cable body 1, and also includes:

[0036] A cold shrink terminal head 3, which is sleeved on the surface of the split cable 4 to protect the split cable 4;

[0037] A fastening column 7 is provided on one side of the surface of the cold shrink terminal head 3, and a connecting plate 8 is provided on the other side of the surface of the cold shrink terminal head 3. A group of connecting components for quickly closing the three split cables 4 is provided between the fastening column 7 and the connecting plate 8; each group of connecting components includes a connecting column 16 fixed to the side end of the connecting plate 8, a receiving groove 12 for accommodating the connecting column 16 is provided in the fastening column 7, a first groove 13 is provided in the connecting column 16, two sliders 15 are slidably arranged in the first groove 13, a clamping spring 14 is fixed between the two sliders 15, and the ends of the two sliders 15 that are far away from each other are fixed with The clamping rod 10 and the fastening column 7 are provided with two clamping grooves 9 connected with the receiving groove 12, and the two clamping rods 10 are respectively clamped with the two clamping grooves 9; after aligning the connecting column 16 with the receiving groove 12 and inserting it, the paddle 18 is released, and the two clamping rods 10 are respectively pushed into the two clamping grooves 9 by the elasticity of the clamping spring 14, and the connecting column 16 is fixed in the fastening column 7, so as to realize the connection between the fastening column 7 and the connecting plate 8, and realize the merging of the two split cables 4, and the three groups of connecting components between the three cold shrink terminal heads 3 are fixed in this way, so that the three cold shrink terminal heads 3 can be stably merged;

[0038] Furthermore, the ends of the two clamping rods 10 that are far from each other are both fixed with semicircular clamping heads 11; the semicircular shape of the semicircular clamping heads 11 can better guide the clamping rod 10 into the clamping slot 9 when there is a certain offset between the positions of the clamping rod 10 and the clamping slot 9;

[0039] An arc-shaped positioning plate 19 is fixed in the accommodating groove 12, and the arc surface of the arc-shaped positioning plate 19 matches the surface of the clamping rod 10; so that when the connecting column 16 enters the accommodating groove 12 on either side of the surface, the arc-shaped positioning plate 19 limits the connecting column 16, so that the connecting column 16 can stably fit in the arc surface of the arc-shaped positioning plate 19, making it convenient to align the clamping rod 10 with the clamping groove 9.

[0040] A separation component is provided on one side of the connecting plate 8 for releasing the close connection between the fastening column 7 and the connecting plate 8; each set of separation components includes a second groove 17 opened in the connecting plate 8 and connected to the first groove 13, and two paddles 18 slide in the second groove 17, and the two paddles 18 are respectively fixed to the side ends of the two sliders 15; by moving the two paddles 18 in the approaching direction, the two paddles 18 drive the two clamping rods 10 to enter the first groove 13 through the two sliders 15, thereby realizing the separation of the fastening column 7 and the connecting plate 8.

[0041] A plurality of sheds 5 are evenly fixed on the surface of the cold shrink terminal head 3 to protect the split cable 4 .

[0042] Embodiment 2

[0043] Improved on the basis of embodiment 1: Refer to attached Figure 1The cold shrink cable terminal head also includes a connecting ring 6 sleeved on the surface of the cold shrink terminal head 3, a fastening column 7 and a connecting plate 8 are respectively fixed on both sides of the surface of the connecting ring 6, and a connecting glue 31 for connecting the connecting ring 6 and the cold shrink terminal head 3 is provided between the connecting ring 6 and the cold shrink terminal head 3, and the connecting glue 31 is far away from the fastening column 7 and the connecting plate 8;

[0044] The filling range of the connecting glue 31 is Figure 4 In the area shown in the figure, the unfilled area of ​​the umbrella skirt 5 and the connecting ring 6 are not fixedly connected, and are in a gap state, providing a buffer distance for the connecting ring 6 to be pulled, and the connecting glue 31 can maintain a stable connection between the umbrella skirt 5 and the connecting ring 6. The connecting ring 6 is made of elastic silicone rubber. The pulling force between the two umbrella skirts 5 will not directly pull the cold shrink terminal head 3, but will pull the two connecting rings 6 to move toward a close position, thereby protecting the cold shrink terminal head 3 from being separated from the surface of the umbrella skirt 5 due to the pulling force, and facilitating use.

[0045] It should be noted that, in the description of this specification, descriptions such as "first", "second", etc. are merely used to distinguish between various features and have no actual order or directional meaning, and this application is not limited to this.

[0046] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0047] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A cold shrink cable terminal head, comprising a cable body (1) and a general insulating sleeve (2) sleeved on the surface of the cable body (1), wherein three split cables (4) are arranged at the side end of the cable body (1), characterized in that: Also includes: A cold shrink terminal head (3), wherein the cold shrink terminal head (3) is sleeved on the surface of the split cable (4) to protect the split cable (4); A fastening column (7) is provided on one side of the surface of the cold shrink terminal head (3), a connecting plate (8) is provided on the other side of the surface of the cold shrink terminal head (3), and a group of connecting components for quickly closing three split cables (4) is provided between the fastening column (7) and the connecting plate (8); A separation component, the separation component is arranged on one side of the connecting plate (8) and is used to release the close connection between the fastening column (7) and the connecting plate (8); A plurality of umbrella skirts (5) are evenly fixed on the surface of the cold shrink terminal head (3) to protect the split cable (4).

2. The cold shrink cable terminal head according to claim 1, characterized in that: Each group of the connecting components comprises a connecting column (16) fixed to the side end of the connecting plate (8); a receiving groove (12) for accommodating the connecting column (16) is provided in the fastening column (7); a first groove (13) is provided in the connecting column (16); two sliders (15) slide in the first groove (13); a clamping spring (14) is fixed between the two sliders (15); a clamping rod (10) is fixed at the ends of the two sliders (15) that are away from each other; two clamping grooves (9) connected to the receiving groove (12) are provided in the fastening column (7); and the two clamping rods (10) are respectively clamped with the two clamping grooves (9).

3. The cold shrink cable terminal head according to claim 2, characterized in that: Semicircular clamping heads (11) are fixed to the ends of the two clamping rods (10) that are separated from each other.

4. The cold shrink cable terminal head according to claim 2, characterized in that: An arc-shaped positioning plate (19) is fixed in the accommodating groove (12), and the arc surface of the arc-shaped positioning plate (19) matches the surface of the clamping rod (10).

5. The cold shrink cable terminal head according to claim 2, characterized in that: Each group of the separation components comprises a second groove (17) opened in the connecting plate (8) and connected to the first groove (13), two paddles (18) sliding in the second groove (17), and the two paddles (18) are respectively fixed to the side ends of the two sliding blocks (15).

6. The cold shrink cable terminal head according to any one of claims 1 to 3, characterized in that: The surface of the cold shrink terminal head (3) is sleeved with a connecting ring (6), the fastening column (7) and the connecting plate (8) are respectively fixed on both sides of the surface of the connecting ring (6), and a connecting glue (31) for connecting the connecting ring (6) and the cold shrink terminal head (3) is provided between the connecting ring (6) and the cold shrink terminal head (3), and the connecting glue (31) is far away from the fastening column (7) and the connecting plate (8).

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