High-voltage-resistant waterproof cable sealing cap

Abstract

The utility model discloses a high pressure resistant waterproof cable sealing cap comprising a sealing cap body, the upper side of the sealing cap body is fixedly provided with a top, the middle of the upper end of the top is provided with a vacuum port, the bottom of the sealing cap body is fixedly connected with a stress end, and the stress end covers the outer side of an outer sleeve. The bottom of the outer sleeve is fixedly connected with the limiting disc, meanwhile, a rubber lining is fixedly installed on the inner wall of the outer sleeve, a narrow hole is formed in the rubber lining, a reamed hole is formed in the bottom of the narrow hole, the outer sleeve is arranged on the outer side of the end of the cable in a sleeving mode, and a bare wire on the end of the cable is sealed in the sealing cap body. According to the high-voltage-resistant waterproof cable sealing cap, the sealing cap body is held by a hand, and the sealing cap body is in threaded connection with the outer side of the outer sleeve through the stress end, so that the sealing cap body wraps a wire harness exposed part at the top of the end part of a cable in a sealing manner, and the end part of the cable is protected; the sealing cap body is hard in texture, can perform compression resistance work and waterproof work on the end part of the cable, and can be continuously used.

Description

Technical Field

[0001] The utility model relates to the field of cable sealing caps, in particular to a high-pressure resistant and waterproof cable sealing cap. Background Art

[0002] After the cable production inspection is completed, if the cable ends are open, moisture in the air will enter the cable, causing the conductor's oxidation corrosion performance to decrease; and for medium and high voltage cables, moisture will also increase the formation of water trees in the insulation layer, greatly reducing the service life of the cable;

[0003] Therefore, in order to prevent moisture from entering the conductor before use, after the cable is produced, the two ends of the cable need to be sealed with cable caps; however, in the prior art, the cable caps are attached to the cable ends by heat shrinking, and the cable ends are not resistant to high pressure and are not waterproof. After use, they need to be torn open and discarded and cannot be used any further. A large number of heat shrink cable caps will cause environmental pollution. Utility Model Content

[0004] The utility model aims to provide a high-pressure resistant and waterproof cable sealing cap to solve the defects mentioned in the above background technology.

[0005] In order to achieve the above-mentioned purpose, a high-pressure resistant waterproof cable cap is provided, including a cap body, a top is fixedly arranged on the upper side of the cap body, and a vacuum port is installed in the middle of the upper end of the top, and at the same time, the bottom of the cap body is fixedly connected to the force-bearing end, and the force-bearing end covers the outside of the outer sleeve, and the bottom of the outer sleeve is fixedly connected to the limit plate, and at the same time, a rubber lining is fixedly installed on the inner wall of the outer sleeve, a narrow hole is opened inside the rubber lining, and an expanded hole is opened at the bottom of the narrow hole, the outer sleeve is sleeved on the outside of the cable end, and the exposed wire on the cable end is sealed inside the cap body.

[0006] Preferably, a threaded structure is provided on the outer side of the outer sleeve, and an internal thread is provided on the inner wall of the force-bearing end. Meanwhile, the outer sleeve is adapted to the size of the force-bearing end, and the outer sleeve is threadedly fixed to the inner wall of the force-bearing end.

[0007] Preferably, the outer sleeve and the limiting plate are combined together to form a "T"-shaped arrangement, and the axial sections of the outer sleeve and the force-bearing end are concentric circle structures.

[0008] Preferably, the size of the narrow hole is smaller than the size of the cable end, and the narrow hole and the cable end are installed with interference fit, while the rubber lining is sealed and wrapped around the outside of the cable end through the narrow hole.

[0009] Preferably, the transverse section of the expanded hole is an isosceles trapezoid, and the size of the expanded hole is larger than the size of the cable end, and the outer sleeve is fixed to the outside of the cable end through a rubber lining.

[0010] Preferably, the depth of the outer sleeve being screwed inside the force-bearing end is limited by a limiting disk, and the axial sections of the outer sleeve, the rubber lining, the limiting disk and the narrow hole are concentric circle structures.

[0011] Compared with the prior art, the beneficial effects of the utility model are: the sealing cap body is held in hand and screwed to the outside of the outer sleeve through the force-bearing end, so that the sealing cap body is sealed and wrapped around the exposed part of the wire harness at the top of the cable end to protect the cable end; the sealing cap body is hard in texture and can provide pressure resistance and waterproofing for the cable end, and can be used continuously to avoid pollution to the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a front view schematic diagram of the structure of the utility model;

[0013] Figure 2 The utility model structure Figure 1 Carry out combined installation diagram;

[0014] Figure 3 The utility model structure Figure 2 3D graph of

[0015] Figure 4 The utility model structure Figure 2 Schematic diagram of the AA section structure.

[0016] Numbers in the figure: 1. Cap body; 2. Top; 3. Vacuum port; 4. Force-bearing end; 5. Outer sleeve; 6. Rubber lining; 7. Limit plate; 8. Narrow hole; 9. Enlarged hole; 10. Cable end. DETAILED DESCRIPTION

[0017] See also Figure 1-4 The utility model provides a high-pressure resistant waterproof cable closure cap, comprising a closure cap body 1, a top 2 is fixedly arranged on the upper side of the closure cap body 1, and a vacuum port 3 is installed in the middle of the upper end of the top 2, and at the same time, the bottom of the closure cap body 1 is fixedly connected to the force-bearing end 4, and the force-bearing end 4 covers the outside of an outer sleeve 5, and the bottom of the outer sleeve 5 is fixedly connected to a limit plate 7, and at the same time, a rubber lining 6 is fixedly installed on the inner wall of the outer sleeve 5, a narrow hole 8 is opened inside the rubber lining 6, and an expanded hole 9 is opened at the bottom of the narrow hole 8, the outer sleeve 5 is sleeved on the outside of a cable end 10, and the exposed wire on the cable end 10 is sealed inside the closure cap body 1.

[0018] Working principle: When in use, first put the rubber lining 6 on the outside of the cable end 10, then hold the sealing cap body 1, and screw the sealing cap body 1 to the outside of the outer sleeve 5 through the force-bearing end 4, so that the sealing cap body 1 is sealed and wrapped around the exposed part of the wire harness at the top of the cable end 10 to protect the cable end 10; the sealing cap body 1 is hard in texture and can provide pressure resistance and waterproofing for the end of the cable end 10, and can be used continuously.

[0019] As a preferred embodiment, a threaded structure is provided on the outer side of the outer sleeve 5 , and an internal thread is provided on the inner wall of the force-bearing end 4 . At the same time, the outer sleeve 5 is adapted to the size of the force-bearing end 4 , and the outer sleeve 5 is screwed and fixed on the inner wall of the force-bearing end 4 .

[0020] like Figure 1-4 As shown: the outer sleeve 5 is screwed and fixed on the inner wall of the force-bearing end 4; at the same time, the cable end 10 and the outer sleeve 5 are sealed by the rubber lining 6, so that the sealing cap body 1 and the cable end are sealed and waterproof.

[0021] As a preferred embodiment, the outer sleeve 5 and the limiting plate 7 are combined together to form a "T"-shaped arrangement, and the axial cross-sections of the outer sleeve 5 and the force-bearing end 4 are concentric circle structures.

[0022] like Figure 1-4 As shown, the outer sleeve 5 and the limiting plate 7 are combined together to form a "T"-shaped arrangement; through the arrangement of the limiting plate 7, the sealing cap body 1 and the outer sleeve 5 can be limitedly installed.

[0023] As a preferred embodiment, the size of the narrow hole 8 is smaller than that of the cable end 10 , and the narrow hole 8 and the cable end 10 are installed with interference fit, while the rubber lining 6 is sealed and wrapped around the outside of the cable end 10 through the narrow hole 8 .

[0024] like Figure 1-4 As shown: the rubber lining 6 is sealed and wrapped around the outside of the cable end 10 through the narrow hole 8; the initial size of the narrow hole 8 is smaller than the wire diameter of the cable end 10, so that the rubber lining 6 can be tightly wrapped around the outside of the cable end 10, ensuring that the outer sleeve 5 will not get loose on the outside of the cable end 10.

[0025] As a preferred embodiment, the transverse section of the expanded hole 9 is an isosceles trapezoid, and the size of the expanded hole 9 is larger than the size of the cable end 10 , and the outer sleeve 5 is fixed to the outside of the cable end 10 through the rubber lining 6 .

[0026] As a preferred embodiment, the depth of the outer sleeve 5 screwed inside the force-bearing end 4 is limited by the limit plate 7, and the axial section of the outer sleeve 5, the rubber lining 6, the limit plate 7 and the narrow hole 8 is a concentric circle structure.

[0027] like Figure 1-4 As shown: the structure of the vacuum port 3 is consistent with the inflation hole structure of a basketball; by inserting the air needle into the vacuum port 3, it is convenient to evacuate the inside of the sealing cap body 1, which can better protect the cable end 10 and prevent the residual water vapor in the sealing cap body 1 from oxidizing the exposed wire of the cable end 10.

Claims

1. A high-pressure resistant and waterproof cable sealing cap, comprising a sealing cap body (1), characterized in that: A top portion (2) is fixedly arranged on the upper side of the sealing cap body (1), and a vacuum port (3) is installed in the middle of the upper end of the top portion (2). At the same time, the bottom of the sealing cap body (1) is fixedly connected to the force-bearing end (4), and the force-bearing end (4) covers the outer side of the outer sleeve (5), and the bottom of the outer sleeve (5) is fixedly connected to the limit plate (7). At the same time, a rubber lining (6) is fixedly installed on the inner wall of the outer sleeve (5), a narrow hole (8) is provided inside the rubber lining (6), and an expanded hole (9) is provided at the bottom of the narrow hole (8), the outer sleeve (5) is sleeved on the outer side of the cable end (10), and the exposed wire on the cable end (10) is sealed inside the sealing cap body (1).

2. The high-pressure resistant waterproof cable gland according to claim 1, characterized in that: The outer side of the outer sleeve (5) is provided with a threaded structure, and the inner wall of the force-bearing end (4) is provided with an internal thread. At the same time, the outer sleeve (5) and the force-bearing end (4) are matched in size, and the outer sleeve (5) is screwed and fixed on the inner wall of the force-bearing end (4).

3. The high-pressure resistant waterproof cable gland according to claim 1, characterized in that: The outer sleeve (5) and the limiting plate (7) are combined together to form a "T"-shaped arrangement, and the axial sections of the outer sleeve (5) and the force-bearing end (4) are concentric circle structures.

4. The high-pressure resistant waterproof cable gland according to claim 1, characterized in that: The size of the narrow hole (8) is smaller than the size of the cable end (10), and the narrow hole (8) and the cable end (10) are installed in an interference fit, while the rubber lining (6) is sealed and wrapped around the outside of the cable end (10) through the narrow hole (8).

5. The high-pressure resistant waterproof cable gland according to claim 1, characterized in that: The transverse section of the expansion hole (9) is an isosceles trapezoidal configuration, and the size of the expansion hole (9) is larger than the size of the cable end (10). The outer sleeve (5) is fixedly arranged on the outer side of the cable end (10) through a rubber lining (6).

6. The high-pressure resistant waterproof cable gland according to claim 1, characterized in that: The depth of the outer sleeve (5) screwed inside the force-bearing end (4) is limited by a limiting plate (7), and the axial sections of the outer sleeve (5), the rubber lining (6), the limiting plate (7) and the narrow hole (8) are concentric circle structures.

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