Cable terminal sealing head

Abstract

The utility model discloses a cable terminal sealing head which comprises a protection cylinder and a protection cap, the protection cap is arranged at the bottom of the protection cylinder, clamping teeth are elastically and movably arranged on the inner wall of the protection cylinder at equal intervals in a surrounding mode, and the bottom of an inner cavity of the protection cap is fixedly connected with a clamping ring used in cooperation with the clamping teeth. The utility model relates to the technical field of cable end sockets. According to the cable terminal sealing head, clamping teeth, a clamping ring, a positioning clamping hole and a positioning clamping block are arranged between the protection barrel and the protection cap, so that the protection barrel and the protection cap can fix and seal a cable terminal through the cooperation, and then a sleeve, a telescopic rod and a second reset spring are arranged between the protection cap and the protection barrel; and a finger pressing block is arranged in the positioning clamping hole in a sliding manner, so that the protection cap and the protection cylinder can be matched, and the protection cap, the protection cylinder and the cable can be conveniently and quickly disassembled, and the effect of subsequent convenient replacement is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of cable sealing heads, in particular to a cable terminal sealing head. Background Art

[0002] As a common protective accessory at the end of the cable, the cable terminal seal integrates waterproofing, stress control, shielding, and insulation. It has good electrical and mechanical properties and can be used for a long time in various harsh environmental conditions. It has the advantages of light weight and easy installation.

[0003] Although the cable terminal cap is convenient for waterproofing and insulating the cable terminal, it is inevitable that there are still some shortcomings in the actual use process. For example, the device lacks a quick-release mechanism, so that the device will be inconvenient to disassemble and replace when it is replaced later. In order to avoid such problems, a cable terminal cap is proposed to solve the existing problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a cable terminal seal, which solves the problem that the device lacks a quick-release mechanism, resulting in the inconvenience of disassembly and replacement of the device during subsequent replacement.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a cable terminal head, including a protective tube and a protective cap, the protective cap is arranged at the bottom of the protective tube, the inner wall of the protective tube is equidistantly elastically arranged with clamping teeth, the bottom of the inner cavity of the protective cap is fixedly connected with a clamping ring used in conjunction with the clamping teeth, positioning holes are provided on both sides of the inner cavity of the protective tube, sliding grooves are provided on both sides of the protective cap, a positioning block is slidably connected inside the sliding groove, a first reset spring is fixedly connected between the positioning block and the sliding groove, and a finger pressure block is slidably provided inside the positioning hole.

[0006] Preferably, the front and rear sides of the bottom of the inner cavity of the protective cap are fixedly connected with a sleeve, the interior of the sleeve is slidably connected with a telescopic rod used in conjunction with the protective tube, and a second return spring is fixedly connected between the telescopic rod and the sleeve.

[0007] Preferably, a mounting ring is fixedly connected to the surface of the protective cap, and a sealing ring gasket is fixedly connected to the top of the mounting ring.

[0008] Preferably, guide rails are provided on the front and rear sides of the inner cavity of the protective tube, and guide blocks slidably matched with the guide rails are fixedly connected to the front and rear sides of the protective cap.

[0009] Preferably, a plurality of positioning sleeves are equidistantly fixedly connected around the inner wall of the protective tube, a push rod is slidably connected inside the positioning sleeve, and one end of the push rod is fixedly connected to the surface of an adjacent clamping tooth, and a third return spring is fixedly connected between adjacent push rods and positioning sleeves.

[0010] Preferably, a plurality of rubber sealing rings are fixedly connected in an equidistant array inside the protective tube.

[0011] Beneficial Effects

[0012] The utility model provides a cable terminal seal. Compared with the existing technology, the utility model has the following beneficial effects: the utility model provides clamping teeth and a clamping ring, as well as a positioning clamping hole and a positioning clamping block between the protective tube and the protective cap, so that the protective tube and the protective cap can be matched to fix and seal the cable terminal, and then a sleeve, a telescopic rod and a second return spring are provided between the protective cap and the protective tube, and a finger pressure block is slidably provided inside the positioning clamping hole, so that the protective cap and the protective tube can be matched to facilitate the quick disassembly of the protective cap and the protective tube and the cable, so as to achieve the effect of easy replacement later. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the external structure of the utility model;

[0014] Figure 2 It is a cross-sectional view of the protective tube structure of the utility model;

[0015] Figure 3 For this utility model Figure 2 A partial enlarged view of the middle A;

[0016] Figure 4 It is a side view of the internal structure of the protective cap of the utility model;

[0017] Figure 5 It is an expanded view of the protective tube and protective cap structure of the utility model.

[0018] In the figure: 1. protective tube; 2. protective cap; 3. clamping teeth; 4. snap ring; 5. positioning hole; 6. slide groove; 7. positioning block; 8. first return spring; 9. finger pressure block; 10. sleeve; 11. telescopic rod; 12. second return spring; 13. mounting ring; 14. sealing gasket; 15. guide rail; 16. guide block; 17. positioning sleeve; 18. push rod; 19. third return spring; 20. rubber sealing ring. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0020] See also Figure 1-5 The utility model provides a technical solution: a cable terminal head, including a protective tube 1 and a protective cap 2, the protective cap 2 is arranged at the bottom of the protective tube 1, the inner wall of the protective tube 1 is equidistantly elastically arranged with clamping teeth 3, the bottom of the inner cavity of the protective cap 2 is fixedly connected with a clamping ring 4 used in conjunction with the clamping teeth 3, both sides of the inner cavity of the protective tube 1 are provided with positioning holes 5, both sides of the protective cap 2 are provided with slide grooves 6, the interior of the slide groove 6 is slidably connected with a positioning block 7, a first reset spring 8 is fixedly connected between the positioning block 7 and the slide groove 6, a finger pressure block 9 is slidably arranged inside the positioning hole 5, a plurality of rubber sealing rings 20 are fixedly connected with an equidistant array inside the protective tube 1, a mounting ring 13 is fixedly connected to the surface of the protective cap 2, and a sealing ring gasket 14 is fixedly connected to the top of the mounting ring 13.

[0021] Furthermore, in order to facilitate the popping out of the protective cap 2, the front and rear sides of the bottom of the inner cavity of the protective cap 2 are fixedly connected with a sleeve 10, and the interior of the sleeve 10 is slidably connected with a telescopic rod 11 used in conjunction with the protective tube 1, and a second return spring 12 is fixedly connected between the telescopic rod 11 and the sleeve 10.

[0022] In order to facilitate the guiding and centering of the positioning block 7 and the positioning hole 5, guide rails 15 are provided on the front and rear sides of the inner cavity of the protective tube 1, and guide blocks 16 slidably adapted to the guide rails 15 are fixedly connected to the front and rear sides of the protective cap 2.

[0023] As a detailed explanation: a plurality of positioning sleeves 17 are equidistantly fixedly connected to the inner wall of the protective tube 1, a push rod 18 is slidably connected inside the positioning sleeve 17, and one end of the push rod 18 is fixedly connected to the surface of the adjacent clamping tooth 3, and a third return spring 19 is fixedly connected between the adjacent push rods 18 and the positioning sleeve 17.

[0024] When in use, first put the protective tube 1 on the cable terminal, and then insert the protective cap 2 into the inside of the protective tube 1. During the fitting process of the protective cap 2 and the protective tube 1, the protective cap 2 drives the clamping ring 4 to synchronously close and squeeze a plurality of clamping teeth 3. The clamping teeth 3 inside the protective tube 1 are subjected to force to tighten the cable surface. As the combined position of the protective cap 2 and the protective tube 1 reaches the limit, the positioning block 7 on the side of the protective cap 2 is inserted into the inside of the positioning hole 5, and the finger pressure block 9 is expanded.

[0025] Secondly, during the merging process of the protective cap 2 and the protective tube 1 , the telescopic rod 11 will contact the bottom of the protective tube 1 in advance, and along with the merging of the protective cap 2 and the protective tube 1 , the telescopic rod 11 will be elastically compressed and matched with the sleeve 10 .

Claims

1. A cable terminal seal, comprising a protective tube (1) and a protective cap (2), wherein the protective cap (2) is arranged at the bottom of the protective tube (1). Features: The inner wall of the protective tube (1) is equidistantly and elastically provided with clamping teeth (3); the bottom of the inner cavity of the protective cap (2) is fixedly connected with a clamping ring (4) used in conjunction with the clamping teeth (3); positioning holes (5) are provided on both sides of the inner cavity of the protective tube (1); sliding grooves (6) are provided on both sides of the protective cap (2); a positioning block (7) is slidably connected inside the sliding groove (6); a first return spring (8) is fixedly connected between the positioning block (7) and the sliding groove (6); and a finger pressure block (9) is slidably provided inside the positioning hole (5).

2. A cable terminal head according to claim 1, Features: The front and rear sides of the bottom of the inner cavity of the protective cap (2) are fixedly connected to a sleeve (10), the interior of the sleeve (10) is slidably connected to a telescopic rod (11) used in conjunction with the protective tube (1), and a second return spring (12) is fixedly connected between the telescopic rod (11) and the sleeve (10).

3. A cable terminal head according to claim 1, Features: A mounting ring (13) is fixedly connected to the surface of the protective cap (2), and a sealing ring gasket (14) is fixedly connected to the top of the mounting ring (13).

4. A cable terminal head according to claim 1, Features: Guide rails (15) are provided on the front and rear sides of the inner cavity of the protective tube (1), and guide blocks (16) slidably matched with the guide rails (15) are fixedly connected to the front and rear sides of the protective cap (2).

5. A cable terminal head according to claim 1, Features: A plurality of positioning sleeves (17) are fixedly connected to the inner wall of the protective tube (1) at equal intervals, a push rod (18) is slidably connected inside the positioning sleeve (17), and one end of the push rod (18) is fixedly connected to the surface of an adjacent clamping tooth (3), and a third return spring (19) is fixedly connected between adjacent push rods (18) and positioning sleeves (17).

6. A cable terminal head according to claim 1, Features: A plurality of rubber sealing rings (20) are fixedly connected in an equidistant array inside the protective tube (1).

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