CN218733167U - Improved cable sealing joint - Google Patents

Abstract

The utility model provides a modified cable sealing joint, includes the joint body, the outside of joint body be provided with the boss along circumference, the lateral surface of the joint body of both sides is provided with first screw thread and second screw thread respectively about the boss, the lower terminal surface of boss is provided with first recess along circumference, be provided with O type sealing washer in the first recess, be provided with the second recess in the up end of joint body, be provided with first through-hole and second through-hole in the lower terminal surface of joint body, first through-hole and second through-hole all communicate with the second recess, be provided with first tang and steel wire fixed block in the first through-hole. The utility model discloses a cable metal sealing connects bearing pulling force is 1500N, but sealing gas satisfies IP67 protection level. The utility model discloses a sealed and fixed tensile components of a whole that can function independently design of steel wire fixed block of elastic sealing element's locking realizes protection, sealed and the whole tensile performance of cable to cable conductor respectively to can install fast, also can relapse the dismouting and use, the maintenance burden that significantly reduces.

Description

Improved cable sealing joint

Technical Field

The utility model relates to an electricity field especially relates to cable junction device, especially a modified cable sealing joint.

Background

In the grain storage industry, the condition that the grain package dropped frequently takes place, the cable that sets up in the electrical system such as the sensor in the granary is pounded by the grain package and is born great impact force in the twinkling of an eye, consequently, adopt the cable pressure-bearing capacity of steel cable pressure-bearing enhancement cable, however, under the cable bore the high pulling force condition, ordinary water joint hardly satisfies and surpasss 200N tensile requirement to the requirement of 1500N tensile and Ip67 protection security level is unsatisfied to most glan head, consequently, need develop the cable sealing joint who corresponds high tensile property and high sealed protective capability.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a modified cable sealing joint, this kind of modified cable sealing joint will solve the technical problem that cable joint's among the prior art tensile and sealed protective capacities are high inadequately.

The utility model discloses a modified cable sealing joint, including the joint body, the outside of the joint body be provided with the boss along circumference, the lateral surface of the joint body of both sides is provided with first screw thread and second screw thread respectively about the boss, the lower terminal surface of boss is provided with first recess along circumference, be provided with O type sealing washer in the first recess, be provided with the second recess in the up end of the joint body, be provided with first through-hole and second through-hole in the lower terminal surface of the joint body, first through-hole and second through-hole all communicate with the second recess, be provided with first tang and steel wire fixed block in the first through-hole, the up end of steel wire fixed block and the lower terminal surface contact of first tang, the upside of the joint body has the thread bush through first threaded connection, the upper end inboard of thread bush is provided with the second tang, the coaxial elastic sealing element that is provided with in the thread bush, the external diameter of elastic sealing element is greater than the internal diameter of second tang, the lower terminal surface of elastic sealing element and the upper end surface contact of the joint body, the outer periphery face of elastic sealing element is followed and is provided with the third recess.

Further, a flat gasket is arranged between the elastic sealing element and the second seam allowance.

Further, the joint body and the threaded sleeve are both made of metal materials.

Compared with the prior art, the utility model, its effect is positive and obvious. The utility model discloses a cable metal sealing joint is applied to in the electrical high tensile cable conductor product of sensing of granary environment, and the bearing pulling force is 1500N, can seal gas, satisfies IP67 protection level. The utility model discloses an between elastic sealing element and the thread bush spare part, reasonable in design, compact structure, the installation is in the same direction as smooth. The utility model discloses a sealed and fixed tensile components of a whole that can function independently design of steel wire fixed block of elastic sealing element's locking realizes protection, sealed and the whole tensile performance of cable to cable conductor respectively to can install fast, also can relapse the dismouting and use, the maintenance burden that significantly reduces.

Drawings

Fig. 1 is a schematic cross-sectional view of an improved cable gland of the present invention.

Fig. 2 is an exploded view of an improved cable gland of the present invention.

Fig. 3 is a schematic front view of an improved cable sealing joint according to the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments, but the present invention is not limited to this embodiment, and the protection scope of the present invention should be included in all similar structures and similar variations thereof. The utility model provides an upper and lower, preceding, back, left and right equidirectional use only for the description convenience, it is not right the technical scheme's of the utility model restriction.

As shown in fig. 1-3, the utility model discloses an improved cable sealing joint, including the joint body 2, the outside of joint body 2 be provided with boss 3 along circumference, the lateral surface of the joint body 2 of both sides is provided with first screw thread 4 and second screw thread 5 respectively about boss 3, the lower terminal surface of boss 3 is provided with first recess along circumference, be provided with O type sealing washer 7 in the first recess, be provided with second recess 11 in the up end of joint body 2, be provided with first through-hole 12 and second through-hole 13 in the lower terminal surface of joint body 2, first through-hole 12 and second through-hole 13 all communicate with second recess 11, be provided with first tang 14 and steel wire fixed block 9 in the first through-hole 12, the up end of steel wire fixed block 9 contacts with the lower terminal surface of first tang 14, the upside of joint body 2 is connected with thread bush 15 through first screw thread 4, the upper end inboard of thread bush 15 is provided with second tang 16, coaxial elastic sealing element 17 that is provided with in the thread bush 15, the external diameter of elastic sealing element 17 is greater than the internal diameter of second tang 16, elastic sealing element contacts with the lower terminal surface of joint body 17, the peripheral sealing element 18 is provided with the peripheral sealing element along circumference recess 18 in the lower terminal surface of joint body 2.

Further, a flat gasket 19 is arranged between the elastic sealing element 17 and the second seam allowance 16.

Further, the joint body 2 and the threaded sleeve 15 are both made of metal materials.

Specifically, the joint body 2, the O-ring 7, the threaded sleeve 15, the elastic sealing member 17, the flat washer 19, the metal material, and the like in this embodiment are all known in the art, and those skilled in the art will understand that the description thereof is omitted here.

The working principle of the embodiment is as follows:

the cable assembly 1 comprises a cable conductor 8, a steel wire 10 and an insulating sheath.

When the cable assembly is used, the cable assembly 1 penetrates through the threaded sleeve 15, the flat gasket 19, the elastic sealing element 17 and the connector body 2 are sequentially installed from top to bottom, the O-shaped sealing ring 7 is sleeved at the lower end of the connector body 2 and is fixed with the equipment 6 through the second threads 5, the cable conductor 8 penetrates through the second through hole 13, the steel wire 10 penetrates through the first spigot 14, the length of the steel wire 10 is adjusted, and the steel wire 10 is pulled out downwards from the lower side of the connector body 25 until the steel wire 10 cannot be pulled out. At the moment, the lower end face of the insulating sheath of the cable assembly 1 is jacked to the bottom face of the second groove 11, the insulating sheath cannot penetrate through the first through hole 12 and the second through hole 13, then the steel wire fixing block 9 is sleeved on the steel wire 10, the steel wire fixing block 9 is arranged in the first through hole 12 and compresses the upper end face of the steel wire fixing block and the lower end face of the first seam allowance 14 as far as possible, and the steel wire fixing block 9 cannot penetrate through the first seam allowance 14. And then the threaded sleeve 15 is screwed, and the elastic sealing element 17 is extruded by the threaded sleeve 15 and the joint body 2, then is axially shrunk from the third groove 18 and is deformed inwards along the radial direction to be tightly attached to the cable assembly 1, so that sealing is realized. When the cable is pulled upwards, the steel wire 10 is fixed through the steel wire fixing block 9, so that the high tensile property of the cable joint is realized.

The utility model discloses a cable metal sealing joint, in being applied to the sensor high tensile cable conductor product of granary environment, the bearing pulling force is 1500N, can seal gas, satisfies IP67 protection level.

The upper end face of the coupling body 2 supports the elastic seal member 17. The elastic seal 17 and the flat washer 19 cannot pass through the second spigot 16. The second groove 11 of the threaded sleeve 15 has a surface with a low degree of smoothness and roughness, preventing the elastic seal 17 from directly contacting and twisting when the threaded sleeve 15 is rotated.

The utility model discloses an between elastic sealing element 17 and the 15 spare parts of thread bush, reasonable in design, compact structure, the installation is in the same direction as smooth, and elastic sealing element 17 has the design of anticreep play thread bush 15 mouthfuls inside the thread bush 15, can effectively prevent to separate and lead to sealed inefficacy risk when using.

The utility model discloses a sealed and fixed tensile components of a whole that can function independently design of steel wire fixed block 9 of the locking of elastic sealing member 17 realizes protection, sealed and the whole tensile performance of cable to cable conductor respectively to can install fast, also can relapse the dismouting and use, the maintenance burden that significantly reduces.

Claims (3)

1. An improved cable gland fitting comprising a fitting body (2) characterized by: the outer side of the joint body (2) is provided with a boss (3) along the circumferential direction, the outer side surfaces of the joint body (2) on the upper side and the lower side of the boss (3) are respectively provided with a first thread (4) and a second thread (5), the lower end surface of the boss (3) is provided with a first groove along the circumferential direction, an O-shaped sealing ring (7) is arranged in the first groove, a second groove (11) is arranged in the upper end surface of the joint body (2), a first through hole (12) and a second through hole (13) are arranged in the lower end surface of the joint body (2), the first through hole (12) and the second through hole (13) are communicated with the second groove (11), a first spigot (14) and a steel wire fixing block (9) are arranged in the first through hole (12), the upper end surface of the steel wire fixing block (9) is in contact with the lower end surface of the first spigot (14), the upper side of the joint body (2) is connected with a threaded sleeve (15) through the first thread (4), the inner side of the upper end surface of the threaded sleeve (15) is provided with a second spigot (17), an elastic sealing element (17) is arranged in contact with an outer circumferential direction, and an outer sealing element (17) of the elastic sealing element (17) which is arranged in contact with the outer circumferential direction, and an outer sealing element (17) of the elastic sealing element which is arranged in the elastic sealing element (17).

2. An improved cable gland according to claim 1 wherein: and a flat gasket (19) is arranged between the elastic sealing element (17) and the second spigot (16).

3. An improved cable gland according to claim 1 wherein: the joint body (2) and the threaded sleeve (15) are both made of metal materials.

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