CN110718891B

CN110718891B - One-way permanent closedown cable joint

Info

Publication number: CN110718891B
Application number: CN201911009664.3A
Authority: CN
Inventors: 唐润辉
Original assignee: Jiaxing Ye Fengling Clothing Co Ltd
Current assignee: Chen Lianqing
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-12-22
Anticipated expiration: 2039-10-23
Also published as: CN110718891A

Abstract

The one-way permanent-locking closed cable joint comprises a sealing sleeve, wherein both ends of the sealing sleeve are in threaded connection with screw blocks. This closed cable joint of one-way permanent shutting, cooperation through one-way ratchet and fixture block is used, after good with cable junction, remove sealing sleeve to the junction, again with spiral shell piece and sealing sleeve threaded connection together, after good connection, reuse instrument clockwise rotates one-way ratchet, one-way ratchet can drive the commentaries on classics piece and rotate, therefore, the fixture block is changeed the piece, stretch out under the effect of stopper and holding ring, the fixture block will laminate with the cable, and be in the same place spiral shell piece and cable fixation through the fixture block, and simultaneously, because every fixture block closely laminates, can be with the whole outside of completely cutting off at the spiral shell piece of water and dust, the material of fixture block is the polyethylene material, corrosion resistance is better, long service life thereby reached waterproof dustproof and long service life's sealed effect, cable joint's life has been improved, and production cost is saved.

Description

One-way permanent closedown cable joint

Technical Field

The invention relates to the technical field of cable connectors, in particular to a closed cable connector with unidirectional permanent locking.

Background

Cable joint is used for linking together the cable of two disconnections, it is longer to be used for the cable laying length of communication and network, and the length of a cable is limited, can't just accomplish with a cable and lay, so it couples together two cables to need cable joint, cable joint needs waterproof dustproof, avoid water or dust to cause the influence to the cable, present cable joint uses the packing ring mostly to solve waterproof dirt-proof problem, but the effect is not too showing, and there is easy ageing problem, the sticky tape that uses in addition seals, it is sealed effect not showing enough equally, time is ageing easily for a long time, therefore we have proposed the closed cable joint of a one-way permanent shutting and solve above problem.

Disclosure of Invention

The invention adopts the following technical scheme for realizing the technical purpose: the one-way permanent-locking closed cable joint comprises a sealing sleeve, wherein both ends of the sealing sleeve are in threaded connection with screw blocks.

The spiral shell piece includes the fixed block, inboard and the middle part fixedly connected with thread head that is close to sealing sleeve of fixed block, the bullet export has been seted up to the inner wall of fixed block, the one-way ratchet of left side swing joint of fixed block, the hexagonal hole has been seted up in the left side of one-way ratchet, tooth has been seted up in the outside of one-way ratchet, the inboard meshing of one-way ratchet has the commentaries on classics piece, the swivelling chute has been seted up at the top of commentaries on classics piece, the tooth's socket of the outside fixedly connected with and the tooth looks adaptation of commentaries on classics piece, it has the stopper to peg graft at the middle part of commentaries on classics piece, the middle part fixedly connected with of stopper and the fixture.

The invention has the following beneficial effects:

this closed cable joint of one-way permanent shutting, cooperation through one-way ratchet and fixture block is used, after good with cable junction, remove sealing sleeve to the junction, again with spiral shell piece and sealing sleeve threaded connection together, after good connection, reuse instrument clockwise rotates one-way ratchet, one-way ratchet can drive the commentaries on classics piece and rotate, therefore, the fixture block is changeed the piece, stretch out under the effect of stopper and holding ring, the fixture block will laminate with the cable, and be in the same place spiral shell piece and cable fixation through the fixture block, and simultaneously, because every fixture block closely laminates, can be with the whole outside of completely cutting off at the spiral shell piece of water and dust, the material of fixture block is the polyethylene material, corrosion resistance is better, long service life thereby reached waterproof dustproof and long service life's sealed effect, cable joint's life has been improved, and production cost is saved.

Furthermore, the outer layer of the sealing sleeve is made of metal materials, and the inner layer of the sealing sleeve is attached with a layer of insulating materials.

Further, the material of spiral shell piece is metal material and the quantity of spiral shell piece is two.

Furthermore, the number of the one-way ratchet wheels is two, the one-way ratchet wheels can only rotate clockwise (seen from the left side), and the one-way ratchet wheels can not rotate back anticlockwise after rotation.

Furthermore, the number of the rotating blocks is two, and the inner diameter of each rotating block is not smaller than that of the screw block.

Furthermore, the number of the positioning rings is two, and the inner diameters of the positioning rings are equal to the inner diameter of the rotating block.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a screw block of the present invention;

FIG. 3 is a schematic view of the rotating block structure of the present invention;

FIG. 4 is a schematic diagram of a shrinking structure of the fastening block of the present invention;

FIG. 5 is a diagram illustrating a structure of a fixture block according to the present invention;

FIG. 6 is a schematic view of a retaining ring according to the present invention;

fig. 7 is a schematic diagram of an extending structure of the latch according to the present invention.

In the figure: the device comprises a sealing sleeve 1, a screw block 2, a fixing block 20, a screw head 21, a spring outlet 22, a sealing washer 23, a one-way ratchet 24, a 241 hexagonal hole, 242 teeth, a 25 rotating block, a 251 rotating groove, 252 tooth grooves, a 26 limiting block, a 27 clamping block, a 28 positioning ring and a 281 limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, a unidirectional permanently locked closed cable joint includes a sealing sleeve 1, an outer layer of the sealing sleeve 1 is made of a metal material, an inner layer is attached with a layer of insulating material, inner walls of two ends of the sealing sleeve 1 are provided with threads matched with a thread head 21, and two ends of the sealing sleeve 1 are both connected with a screw block 2 in a threaded manner.

The screw block 2 comprises a fixed block 20, the screw block 2 plays a fixing role, the material of the screw block 2 is a metal material, the number of the screw block 2 is two, the inner side of the fixed block 20 is close to the middle part of the sealing sleeve 1 and is fixedly connected with a screw head 21, the screw head 21 plays a role of being in threaded connection with the sealing sleeve 1, the inner wall of the fixed block 20 is provided with an ejection outlet 22, the left side of the fixed block 20 is movably connected with a one-way ratchet wheel 24, the number of the one-way ratchet wheels 24 is two, the one-way ratchet wheels 24 can only rotate clockwise (seen from the left side), the one-way ratchet wheels can not rotate anticlockwise after rotating, the left side of the one-way ratchet wheel 24 is provided with a hexagonal hole 241, the outer side of the one-way ratchet wheel 24 is provided with teeth 242, the inner side of the one-way ratchet wheel 24 is engaged with a rotating block 25, the rotating block 25 plays a role of providing a force application, rotatory groove 251 plays driven effect, the outside fixedly connected with of commentaries on classics piece 25 and the tooth's socket 252 of tooth 242 looks adaptation, it has stopper 26 to peg graft in the middle part of commentaries on classics piece 25, the middle part fixedly connected with of stopper 26 and the fixture block 27 of play export 22 looks adaptation, fixture block 27 plays fixed effect, the inboard swing joint of stopper 26 has the holding ring 28 with the inner wall fixed connection of fixed block 20, holding ring 28 plays the effect that provides "fulcrum", the quantity of holding ring 28 is two and the internal diameter of holding ring 28 equals with the internal diameter of commentaries on classics piece 25, the spacing groove 281 with stopper 26 looks adaptation is seted up at the middle part of holding ring 28.

The working principle is as follows: in the initial state, the fixture block 27 is contracted into the fixed block 20, when in use, one of the two screw blocks 2 penetrates through the cable, the sealing sleeve 1 penetrates through the cable, the other screw block 2 penetrates through the other cable, after the two cables are connected together, the two screw blocks 2 are respectively in threaded connection with two ends of the sealing sleeve 1, after the threaded connection is completed, the sealing sleeve 1 is moved to a proper position, a tool is used for clockwise rotating the one-way ratchet wheel 24, the one-way ratchet wheel 24 drives the rotating block 25 to rotate, the rotating block 25 drives the limiting block 26 to move, the limiting block 26 drives the fixture block 27 to move, the fixture block 27 extends out from the ejection port 22 to the middle of the screw block 2, the fixture block 27 clamps the cable, and due to the fact that the cable is sleeved with a certain elasticity, the fixture block 27 can be tightly clamped with the cable to block water and dust, and at the same time, the screw block 2 is, the sealing sleeve 1 seals the joint inside, thereby achieving the sealing protection effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A one-way permanent-latching enclosed cable joint comprising a sealing sleeve (1), characterized in that: both ends of the sealing sleeve (1) are in threaded connection with screw blocks (2), each screw block (2) comprises a fixed block (20), the left side of each fixed block (20) is movably connected with a one-way ratchet wheel (24), the inner side of each one-way ratchet wheel (24) is meshed with a rotating block (25), and the middle part of each rotating block (25) is spliced with a limiting block (26); the left side of the one-way ratchet wheel (24) is provided with a hexagonal hole (241), the outer side of the one-way ratchet wheel (24) is provided with teeth (242), the top of the rotating block (25) is provided with a rotating groove (251), and the outer side of the rotating block (25) is fixedly connected with a tooth groove (252) matched with the teeth (242); the middle part fixedly connected with of stopper (26) has fixture block (27) with play export (22) looks adaptation, the inboard swing joint of stopper (26) have with the inner wall fixed connection's of fixed block (20) holding ring (28), spacing groove (281) with stopper (26) looks adaptation are seted up to the middle part of holding ring (28).

2. A one-way permanently latched closed cable joint as defined in claim 1, wherein: the inner side of the fixing block (20) is close to the middle of the sealing sleeve (1) and is fixedly connected with a threaded head (21), and an ejection opening (22) is formed in the inner wall of the fixing block (20).