Structure for reinforcing insulation paste of cable head

Abstract

The utility model relates to a structure used for cable head insulation glue reinforcement, comprising a sleeve for sealing and connecting a cable and a cable head, an annular main cavity arranged on the inner circumferential surface of the sleeve and located at the joint of the cable and the cable head, and an annular separator plate dividing the main cavity into an inner annular cavity and an outer annular cavity, the inner annular cavity is located at the inner side of the outer annular cavity, and the outer annular cavity is located at the outer side of the outer annular cavity. A liquid injection pipe connected with the inner ring cavity is arranged on the sleeve, a liquid outlet pipe connected with the outer ring cavity is arranged on the sleeve, a plurality of through holes communicated with the inner ring cavity and the outer ring cavity are formed in the partition plate, and a plurality of reinforcing rods extending into the inner ring cavity and the outer ring cavity are further arranged on the partition plate. After the cable and the cable head are connected, the insulating glue is injected into the cavity through the liquid injection pipe, whether the cavity is full of the insulating glue or not is judged by observing the condition of the insulating glue in the liquid outlet pipe, and the internal strength of the insulating glue layer is further enhanced through the arrangement of the partition plate and the reinforcing rod, so that the reinforcing of the insulating glue layer is realized.

Description

Technical Field

[0001] This utility model relates to the field of cables, and more particularly to the field of cable and cable head technology, specifically referring to a structure for reinforcing cable head insulation. Background Technology

[0002] The cable head is the end of a cable, connected and fixed to the connecting wire using a metal strip. During connection, cable heads are prone to bending or loosening due to insufficient structural strength. Therefore, it is necessary to improve the structural strength of the cable head. For example, Chinese Patent Publication No. CN218123047U discloses a cable head reinforced with insulating adhesive. However, this structure involves the cable and cable head being molded as a single piece, requiring pre-processing and making it impossible to flexibly adjust to the cable length requirements on site.

[0003] The utility model patent with application number CN202421010754.0 discloses a cable with cable head insulation adhesive reinforcement, but the cable only has one layer of insulation adhesive structure, and the reinforcement effect is poor. Utility Model Content

[0004] This utility model addresses the shortcomings of existing technologies by providing a structure for reinforcing cable head insulation adhesive, thereby achieving reinforcement of the insulation adhesive layer.

[0005] This utility model is achieved through the following technical solution: a structure for reinforcing cable head insulation, comprising a sleeve for sealing and connecting the cable and the cable head, an annular main cavity formed on the inner circumferential surface of the sleeve and located at the connection between the cable and the cable head, and an annular partition dividing the main cavity into an inner annular cavity and an outer annular cavity, wherein the inner annular cavity is located inside the outer annular cavity, an injection pipe connected to the inner annular cavity is formed on the sleeve, an outlet pipe connected to the outer annular cavity is formed on the sleeve, the partition is provided with a plurality of through holes connecting the inner annular cavity and the outer annular cavity, and the partition is also provided with a plurality of reinforcing rods extending into the inner annular cavity and the outer annular cavity.

[0006] In use, after connecting the cable and cable head, the insulating adhesive is injected into the cavity through the injection tube. The condition of the insulating adhesive in the outlet tube is observed to determine whether the insulating adhesive is full. The partition and reinforcing rod are used to further enhance the internal strength of the insulating adhesive layer, thereby reinforcing the insulating adhesive layer.

[0007] Preferably, the cable head is connected to a fixing ring, which is threadedly sealed to the sleeve. The sleeve is also provided with a sealing ring that contacts the cable. The outer circumference of the sleeve is provided with an annular groove corresponding to the sealing ring, and a tying rope is provided in the annular groove.

[0008] This preferred solution ensures a sealed connection between the sleeve and the cable head through a threaded sealing connection of the sleeve and the fixing ring. Since the sleeve needs to be inserted into the cable during use, the sealing ring needs to slide on the cable, resulting in a gap between the sealing ring and the cable. Then, a ligature is used to tie the gap, thereby ensuring the sealing effect of the sealing ring and enhancing the connection between the sleeve and the cable, thus further strengthening the connection between the cable and the cable head.

[0009] Preferably, the cable head has two circular holes for the cable to pass through and arranged along the axial direction of the cable.

[0010] In this preferred embodiment, the cable passes sequentially around the two round holes, with the passing portion forming an S-shape, thus initially securing the cable to the cable head. Then, the cable is continued to be wound around the cable head to smoothly connect the cable to the cable head. The two round holes enhance the connection strength between the cable and the cable head.

[0011] Preferably, the diameter of the circular hole is adapted to the diameter of the cable. This preferred solution further enhances the connection strength between the cable and the circular hole by setting the diameter of the circular hole.

[0012] Preferably, the inner circumferential surface of the partition is provided with reinforcing rings arranged along the cable axial direction and arranged in a ring, and the inner circumferential surface of the partition is provided with reinforcing ribs arranged along the cable circumferential direction and connected to several reinforcing rings.

[0013] In use, this preferred solution enhances the strength of the partition by adding reinforcing rings and reinforcing ribs, while also increasing the contact area between the partition and the insulating adhesive, thereby enhancing the strength of the entire insulating adhesive layer.

[0014] Preferably, the outer annular cavity is further provided with several connecting posts that connect the annular partition and the bottom surface of the main cavity. This preferred embodiment enhances the connection strength between the partition and the sleeve by providing these connecting posts.

[0015] The beneficial effects of this utility model are as follows: After the cable and cable head are connected, insulating adhesive is injected into the cavity through the injection tube. The condition of the insulating adhesive in the outlet tube is observed to determine whether the insulating adhesive is full. The setting of partitions and reinforcing rods further enhances the internal strength of the insulating adhesive layer, thereby reinforcing the insulating adhesive layer. The threaded sealing connection of the sleeve and the fixing ring ensures the sealed connection between the sleeve and the cable head. Since the sleeve needs to be inserted into the cable first during use, the sealing ring needs to slide on the cable. Therefore, there is a gap between the sealing ring and the cable. Then, a tying rope is used to tie it, thereby ensuring the sealing effect of the sealing ring and enhancing the connection between the sleeve and the cable, thereby further enhancing the connection between the cable and the cable head. Attached Figure Description

[0016] Figure 1This is a cross-sectional view of the structure of this utility model;

[0017] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0018] As shown in the figure:

[0019] 1. Cable, 2. Cable head, 3. Fixing ring, 4. Partition, 5. Inner ring cavity, 6. Outer ring cavity, 7. Injection pipe, 8. Outlet pipe, 9. Connecting column, 10. Reinforcing rod, 11. Sealing ring, 12. Ring groove, 13. Reinforcing rib, 14. Reinforcing ring, 15. Round hole. Detailed Implementation

[0020] To clearly illustrate the technical features of this solution, the following detailed implementation method will be used to explain the solution.

[0021] See attached document Figure 1-2 This utility model relates to a structure for reinforcing cable head insulation, comprising a sleeve for sealing and connecting cable 1 and cable head, an annular main cavity formed on the inner circumferential surface of the sleeve and located at the connection between cable 1 and cable head, and an annular partition 4 dividing the main cavity into an inner annular cavity 5 and an outer annular cavity 6. The inner annular cavity 5 is located inside the outer annular cavity 6. An injection pipe 7 connected to the inner annular cavity 5 is formed on the sleeve, and an outlet pipe 8 connected to the outer annular cavity 6 is formed on the sleeve. The partition 4 has several through holes connecting the inner annular cavity 5 and the outer annular cavity 6, and the partition 4 also has several reinforcing rods 10 extending into the inner annular cavity 5 and the outer annular cavity 6.

[0022] The cable head is connected to a fixing ring 3, which is threadedly sealed to the sleeve. The sleeve is also provided with a sealing ring 11 that contacts the cable 1. The outer circumference of the sleeve is provided with an annular groove 12 corresponding to the sealing ring 11, and a tying rope is provided in the annular groove 12.

[0023] After the fixing ring 3 is threadedly connected to the sleeve, the end face of the annular partition 4 contacts and connects with the end face of the fixing ring 3, so the fixing ring 3 also plays a positioning role for the sleeve.

[0024] The cable head has two circular holes 15 for the cable to pass through and arranged along the axial direction of the cable. The diameter of the circular holes 15 is adapted to the diameter of the cable.

[0025] The inner circumferential surface of the partition plate 4 is provided with reinforcing rings 14 arranged along the axial direction of the cable 1 and arranged in a ring. The inner circumferential surface of the partition plate 4 is provided with reinforcing ribs 13 arranged along the circumference of the cable 1 and connected to several reinforcing rings 14.

[0026] The outer annular cavity 6 is also provided with several connecting columns 9 that connect the annular partition 4 and the bottom surface of the main cavity.

[0027] In use, the sleeve is first inserted onto the cable 1, then the cable is sequentially passed around the two round holes 15 and wrapped around the cable head. The sleeve is then pushed towards the cable head, and the sleeve is threadedly sealed onto the fixing ring 3. Insulating adhesive is then injected into the cavity through the injection tube 7. The condition of the insulating adhesive in the outlet tube 8 is observed to determine whether the insulating adhesive is fully injected. The partition plate 4 and the reinforcing rod 10 further enhance the internal strength of the insulating adhesive layer, thus reinforcing the insulating adhesive layer. The threaded sealing connection between the sleeve and the fixing ring 3 ensures a sealed connection between the sleeve and the cable head. Since the sleeve needs to be inserted into the cable 1 before use, the sealing ring 11 needs to slide on the cable 1. Therefore, there is a gap between the sealing ring 11 and the cable 1. A tying rope is then used to tie the gap, thus ensuring the sealing effect of the sealing ring 11 while enhancing the connection between the sleeve and the cable 1, thereby further strengthening the connection between the cable 1 and the cable head.

[0028] Of course, the above description is not limited to the examples above. Technical features of this utility model not described can be implemented by or using existing technology, and will not be repeated here. The above embodiments and drawings are only used to illustrate the technical solution of this utility model and are not intended to limit this utility model. This utility model has been described in detail with reference to preferred embodiments. Those skilled in the art should understand that any changes, modifications, additions or substitutions made by those skilled in the art within the scope of this utility model do not depart from the spirit of this utility model and should also fall within the protection scope of the claims of this utility model.

Claims

1. A structure for reinforcing cable head insulation, characterized in that: The device includes a sleeve for sealing and connecting the cable (1) and the cable head, an annular main cavity on the inner circumferential surface of the sleeve and located at the connection between the cable (1) and the cable head, and an annular partition (4) that divides the main cavity into an inner annular cavity (5) and an outer annular cavity (6). The inner annular cavity (5) is located inside the outer annular cavity (6). The sleeve has an injection pipe (7) connected to the inner annular cavity (5) and an outlet pipe (8) connected to the outer annular cavity (6). The partition (4) has several through holes that connect the inner annular cavity (5) and the outer annular cavity (6). The partition (4) also has several reinforcing rods (10) that extend into the inner annular cavity (5) and the outer annular cavity (6).

2. The structure for reinforcing cable head insulation according to claim 1, characterized in that: The cable head is connected to a fixing ring (3), which is threadedly sealed to the sleeve. The sleeve is also provided with a sealing ring (11) that contacts the cable (1). The outer circumference of the sleeve is provided with an annular groove (12) corresponding to the sealing ring (11), and a tying rope is provided in the annular groove (12).

3. The structure for reinforcing cable head insulation according to claim 1, characterized in that: The cable head has two round holes (15) for the cable to pass through and arranged along the axial direction of the cable.

4. The structure for reinforcing cable head insulation according to claim 3, characterized in that: The diameter of the circular hole (15) is adapted to the diameter of the cable.

5. The structure for reinforcing cable head insulation according to claim 1, characterized in that: The inner circumferential surface of the partition (4) is provided with reinforcing rings (14) arranged along the axial direction of the cable (1) and arranged in a ring. The inner circumferential surface of the partition (4) is provided with reinforcing ribs (13) arranged along the circumferential direction of the cable (1) and connected to several reinforcing rings (14).

6. The structure for reinforcing cable head insulation according to claim 1, characterized in that: The outer annular cavity (6) is also provided with several connecting columns (9) that connect the annular partition (4) and the bottom surface of the main cavity.

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