CN210490438U

CN210490438U - Waterproof fixed head of cable threading

Info

Publication number: CN210490438U
Application number: CN201921247323.5U
Authority: CN
Inventors: 李俊锋
Original assignee: Guangxi Gold Step Power Technology Co ltd
Current assignee: Guangxi Gold Step Power Technology Co ltd
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-05-08
Anticipated expiration: 2029-08-02

Abstract

The utility model discloses a waterproof fixed head of cable threading, include the sealed tube body that is formed by two semi-circular barrel joints, and form cable threading passageway at sealed tube body center, the sealed tube body includes that detachable sealing sleeve, cover establish the detachable sealing sleeve who establishes in sealing sleeve outlying detachable locking lid and detachable fixed clamping ring and cover, and sealing sleeve and locking lid lie in same one side, are provided with the joint piece in sealing sleeve's outer fringe surface protrusion, this joint piece sets up with sealing sleeve is integrative, locking lid and fixed clamping ring overlap respectively and establish on the sealing sleeve of joint piece both sides, and the locking lid is both ends open-ended, and the internal diameter end of the one end of this locking lid diminishes gradually. The utility model discloses can carry out protection against insects waterproof and insulating seal to the business turn over line mouth of block terminal or cubical switchboard, it is sealed to the waterproof shutoff of business turn over line mouth integral type of cable and block terminal or cubical switchboard, avoided power failure's emergence.

Description

Waterproof fixed head of cable threading

Technical Field

The utility model belongs to the technical field of power engineering, especially, relate to block terminal business turn over hole sealing waterproof technical field, concretely relates to waterproof fixed head of cable threading.

Background

At present, in a 10kV new cable laying station in a transformer substation, after a cable penetrates into a distribution box or a switch cabinet rear cabinet, insect prevention and waterproof plugging must be carried out on an inlet/outlet on the switch cabinet according to requirements. In the existing waterproof fixing of the cable, a rubber clamping ring is arranged on the inner wall of a metal plug to thread and lock the cable, and a layer of sealant is additionally arranged to play roles of fixing, dust prevention and water prevention. But through the long-time outdoor exposure to the sun rain, the sealed glue of layer is aged and broken, the physical connection of metal end cap can become flexible day by day, the shutoff effect descends day by day, rainwater or little worm get into block terminal or cubical switchboard, cause the aggravation of the interior damp or the electrical component harm of block terminal or cubical switchboard, cause the hidden danger for power equipment's safe operation, nevertheless if will unify the transformation or the maintenance to the outdoor cubical switchboard of transformer substation, still can harm the block terminal among the maintenance process, cubical switchboard or cable, metal end cap can not reuse, must waste a large amount of manpower and materials, the degree of difficulty of maintaining has been increased. Therefore, how to solve the problems that the existing waterproof cable fixing head is aged and broken so that the waterproof cable can not be realized, and the existing plug is difficult to replace and cannot be reused becomes an important technical problem to be solved by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waterproof fixed head of cable threading, according to the utility model discloses a waterproof fixed head can carry out protection against insects waterproof and insulating sealing to the business turn over line mouth of block terminal or cubical switchboard, has realized that the business turn over line mouth integral type shutoff to cable and block terminal or cubical switchboard is sealed to prevent that water droplet or foreign matter from getting into the power generation trouble in block terminal or the cubical switchboard from the cable. In order to realize the purpose, the utility model discloses a following technological effect:

according to the utility model discloses an aspect provides a waterproof fixed head of cable threading, waterproof fixed head includes the sealed tube body that is formed by two semi-circular barrel joints, and forms cable threading passageway at sealed tube body center, the sealed tube body includes detachable sealed sleeve, cover and establishes the detachable sealed sleeve pipe in sealed sleeve outlying detachable locking lid and detachable fixed clamping ring and cover, and sealed sleeve pipe and locking lid lie in same one side sealed sleeve's outer fringe surface protrusion is provided with the joint piece, and this joint piece sets up with sealed sleeve is integrative, locking lid and fixed clamping ring overlap respectively and establish on the sealed sleeve of joint piece both sides, locking lid is both ends open-ended state, and the internal diameter end of the one end of this locking lid diminishes gradually.

In the preferable scheme, the sealing sleeve comprises a first semi-cylinder body and a second semi-cylinder body, the first semi-cylinder body and the second semi-cylinder body are buckled by a clamping block to form the sealing sleeve, and the clamping block is divided into a locking connecting cylinder part and a fixed connecting cylinder part on the sealing sleeve, the clamping block comprises a first semi-annular clamping block and a second semi-annular clamping block, the outer edge surface of the first semicylindrical body is outwards provided with the first semicylindrical fixture block, the outer edge surface of the second semicylindrical body is outwards provided with the second semicylindrical fixture block, the first semi-cylinder body and the second semi-cylinder body are buckled through the first semi-annular fixture block and the second semi-annular fixture block, thereby make joint piece and sealing sleeve lock joint form integrative setting, the periphery at locking connecting cylinder portion is established to the locking cover, fixed clamping ring cover is established in the periphery of fixed connecting cylinder.

In a further preferable mode of the above scheme, buckling parts are extended from end parts at two ends of the first semi-annular fixture block along a circumferential direction of the ring surface, a buckling notch is formed in the lower surface of each buckling part, and a plurality of sections of annular insertion ports along a radial direction are formed in the ring surface of the first semi-annular fixture block; the end parts of the two ends of the second semi-annular clamping block extend out of the inserting strip along the ring surface surrounding direction, the end part of the inserting strip is provided with a bending part bent outwards, an inserting groove is formed in the ring surface close to the end parts of the two ends of the second semi-annular clamping block, the opening section of the inserting groove is flush with the end section of the two ends of the second semi-annular clamping block, when the first semi-annular clamping block and the second semi-annular clamping block are fastened with each other, the fastening part is inserted into the inserting groove and fastened in the inserting groove through the fastening notch, the inserting strip is inserted into the annular inserting port from the inner wall of the first semi-annular clamping block outwards for inserting, and the inserting strip is inserted into the inserting groove from the upper surface of the second semi-annular clamping block for matching and fastening.

The scheme is further preferred the outer wall of the locking connecting cylinder and the outer wall of the fixed connecting cylinder are respectively provided with an external thread, the inner wall of the locking cover and the inner wall of the fixed pressing ring are provided with internal threads, the locking cover is in threaded connection with the locking connecting cylinder, and the fixed pressing ring is in threaded connection with the fixed connecting cylinder.

In a further preferred embodiment of the above-described aspect, a radial cutting slit is formed in the outer wall of the sealing sleeve in the radial direction, and the radial cutting slit penetrates through the entire sealing sleeve; the sealing sleeve comprises a sleeve head, a pipe fixing part extending out of the sleeve head, and an inserting pipe part extending out of the pipe fixing part, wherein the outer diameters of the sleeve head, the pipe fixing part and the inserting pipe part are reduced in a step shape, the lengths of the sleeve head, the pipe fixing part and the inserting pipe part are sequentially increased, a rack protruding outwards along the axis direction is arranged on the side wall of the pipe fixing part, and the inserting pipe part, the pipe fixing part and the sleeve head are sequentially inserted into the locking connection barrel part.

Preferably, a first step surface and a second step surface are sequentially arranged in the locking connection cylinder part from the end part close to the locking connection cylinder part to one side of the internal fixed connection cylinder, the inner diameter of the first step surface is larger than that of the second step surface, the end part of the insertion pipe part is in close contact with the second step surface, the end part of the pipe body fixing part is in close contact with the first step surface, a strip-shaped clamping groove along the axial direction is arranged on the inner wall between the end part of the locking connection cylinder part and the first step surface, and the strip-shaped clamping groove is matched and clamped with the rack on the side wall of the pipe body fixing part.

According to the scheme, the fixed pressing ring is formed by mutually fastening a first semicircular pressing ring and a second semicircular pressing ring, the two ends of the first semicircular pressing ring and the two ends of the second semicircular pressing ring are respectively provided with the inserting mechanisms which are mutually matched and inserted, and the two ends of the first semicircular pressing ring and the two ends of the second semicircular pressing ring are respectively fastened with each other through the inserting mechanisms.

The above scheme is further preferred, the inserting mechanism comprises an inserting portion arranged on the outer walls of two ends of the first semicircular pressing ring and a clamping portion arranged on the outer walls of two ends of the second semicircular pressing ring, the inserting portion extends out along the outer walls of two ends of the first semicircular pressing ring, the clamping portion extends out along the outer walls of two ends of the second semicircular pressing ring, outwardly protruding first hooking connectors are respectively arranged on the outer walls of two ends of the first semicircular pressing ring and on two sides of the root portion of the inserting portion, a hooking bayonet is arranged on the inner wall of the inserting portion, a clamping hooking port is transversely arranged on the inner side wall of the clamping portion, a clamping port is arranged in the center of the clamping portion and along the extending direction, a groove is formed between the root portion of the clamping portion and the outer wall of the end portion of the second semicircular pressing ring, an outwardly protruding second inserting connector is arranged in the groove at the root portion of the clamping port, the inserting portion is inserted into the groove and enables the hooking bayonet to be connected, the clamping hook connector is buckled with the first hook connector.

According to the scheme, the inserting portion and the first semicircular pressing ring are further preferred, the inserting portion extends out and is inserted into the clamping port between the clamping portions to be buckled along the direction encircled by the end circumferential line of the first semicircular pressing ring on the same circumferential line, the clamping portions, the clamping ports and the second semicircular pressing ring are arranged on the same circumferential line, the clamping portions and the clamping ports extend out along the direction encircled by the end circumferential line of the second semicircular pressing ring, the clamping portions are inserted into the first hook connectors to be buckled, the inserting portion is inserted into the groove of the root from the opening of the clamping ports, and is buckled with the second inserting connector in the root of the clamping ports.

To sum up, because the utility model adopts the above technical scheme, the utility model discloses following technological effect has:

(1) the utility model discloses can carry out protection against insects waterproof and insulating seal to the inlet wire/outlet of block terminal or cubical switchboard, realized that the inlet wire/outlet integral type shutoff to cable and block terminal or cubical switchboard is sealed to prevent that water droplet or foreign matter from getting into the power failure in block terminal or cubical switchboard from the cable. The utility model discloses a locking lid is at the tightening in-process, makes sealing sleeve and sealing sleeve extrude the shrink to the cable outer wall and hold tightly the outer wall of cable, seals the outward appearance of cable, the simple structure of the invention, dismantlement and installation simple operation can use repeatedly.

(2) The utility model discloses a waterproof fixed head forms through two parts concatenations, make the installation and dismantle all very convenient, the waterproof fixed head that the concatenation was got up is comparatively firm, the shrinkage oral area of locking lid suits with the external diameter of cable, it can tightly overlap at the cable outward appearance to screw up the locking lid back messenger seal sleeve, can effectively reduce the rainwater entering, and the cable can relatively easily penetrate in block terminal or the cubical switchboard, the threading shutoff is effectual, and the shutoff is durable, can not harm the cable, can also set up annular rubber pad in the both sides of joint piece, when making joint piece and block terminal or cubical switchboard lateral wall contact, can not touch the surface of joint piece and the lateral wall of block terminal or cubical switchboard.

Drawings

Fig. 1 is a schematic structural view of a cable threading waterproof fixing head of the present invention;

fig. 2 is a schematic view of an assembly structure of a cable threading waterproof fixing head of the present invention;

fig. 3 is a schematic view of the installation and use structure of a cable threading waterproof fixing head of the present invention;

fig. 4 is a cross-sectional view of a cable threading waterproof fixing head of the present invention;

fig. 5 is a schematic view of an assembly structure of the sealing sleeve of the present invention;

fig. 6 is a schematic structural view of the sealing sleeve according to the present invention after assembly;

fig. 7 is a schematic structural diagram of the sealing sleeve of the present invention;

fig. 8 is a front view of the sealing sleeve of the present invention;

fig. 9 is a side view of the sealing sleeve of the present invention;

fig. 10 is a schematic structural view of the fixed compression ring of the present invention;

fig. 11 is a front view of the locking cap of the present invention;

fig. 12 is a front view of the gland of the present invention;

fig. 13 is a rear view schematic structural view of the gland of the present invention;

in the drawings, a sealing sleeve 1, a locking cover 2, a sealing sleeve 3, a fixed compression ring 4, a clamping block 5, a sealing tube body 10, a cable threading channel 11, a cable 12, a distribution box or a switch cabinet 13, a locking connection barrel part 10a, a connection barrel 10b, an upper cover body 20, a lower cover body 21, a barrel connection part 22, a barrel locking section 23, an upper half barrel connection part 220, a lower half barrel connection part 221, an upper half barrel locking section 230, a lower half barrel locking section 231, an inclined arc surface 232, a strip-shaped buckling strip 2200, a strip-shaped buckling groove 2201, a strip-shaped groove 2210, a strip-shaped projection 2211 and a clamping gap 2212;

the pipe joint comprises a radius cutting gap 30, a sleeve head part 31, a pipe body fixing part 32, an inserting pipe part 33, a rack 34, a first semi-annular fixture block 50, a second semi-annular fixture block 51, a buckling part 50a, a buckling notch 50b, an annular inserting port 50c, an inserting groove 51c, a bending part 51b, a first semi-cylinder body 100, a second semi-cylinder body 101, a first step surface 100a, a second step surface 100b and a strip-shaped clamping groove 100 c; first semicircular clamping ring 400, second semicircular clamping ring 401, grafting portion 4001, first collude joint 4002 colludes and connects bayonet 4003, clamping part 4010, and the interface 4011 is colluded in the centre gripping, centre gripping mouth 4012, slot 4013, second bayonet joint 4014.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and by referring to preferred embodiments. It should be understood, however, that the numerous specific details set forth in the specification are merely set forth to provide a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.

As shown in fig. 1, 2, 3 and 4, according to the cable threading waterproof fixing head of the present invention, the waterproof fixing head comprises a sealing tube body 10 formed by two semicircular cylinders in a clamped manner, and a cable threading channel 11 is formed at the center of the sealing tube body 10, the sealing tube body 10 comprises a detachable sealing sleeve 1, a detachable locking cover 2 and a detachable fixed press ring 4 which are sleeved on the periphery of the sealing sleeve 1, and a detachable sealing sleeve 3 which is sleeved in the sealing sleeve 1, and the sealing sleeve 3 and the locking cover 2 are located at the same side, a clamping block 5 is convexly arranged on the outer edge surface of the sealing sleeve 1, the clamping block 5 and the sealing sleeve 1 are integrally arranged, the locking cover 2 and the fixed press ring 4 are respectively sleeved on the sealing sleeve 1 at two sides of the clamping block 5, the locking cover 2 is in a state of opening at two ends, and an inner diameter end of one end of the locking cap 2 is tapered. When the sealing tube body 10 of the utility model is used and installed, firstly, the sealing sleeve 1 is sleeved on the cable 12, the sealing sleeve 1 is penetrated on the inlet wire or the outlet wire of the distribution box or the switch cabinet 13, the cable 12 is born and transmitted into the distribution box or the switch cabinet 13 through the sealing sleeve 1, the joint block 5 is positioned outside the distribution box or the switch cabinet 13, the joint block 5 blocks the inlet wire or the outlet wire of the distribution box or the switch cabinet 13, the fixed press ring 4 is positioned inside the distribution box or the switch cabinet 13, the fixed press ring 4 is integrated through clamping and then sleeved on the sealing sleeve 1, then the fixed press ring 4 is screwed to gradually approach, the sealing sleeve 1 is fixed on the side wall of the distribution box or the switch cabinet 13 through the fixed press ring 4 and the joint block 5, then the sealing sleeve 3 is sleeved on the sealing sleeve 1, then the locking cover 2 is screwed to gradually approach the joint block 5, because the internal diameter end of the one end (the outer end, the port that keeps away from joint piece 5 one side promptly) of locking lid 2 diminishes gradually, twist the in-process of locking lid 2, the outer end of locking lid 2 and extrusion seal cover 1 and sealing sleeve 3, the outer wall of the inside extrusion cable of sealing sleeve 3, make sealing sleeve 3 hug closely on the outer wall of cable 12 to prevent that the rainwater from permeating to block terminal or cubical switchboard 13 along the cable 12 outer wall, thereby realized the waterproof shutoff of cable threading.

In the utility model, as shown in fig. 4 and 5, the sealing sleeve 1 includes a first semi-cylindrical body 100 and a second semi-cylindrical body 101, the first semi-cylindrical body 100 and the second semi-cylindrical body 101 are formed by fastening the clamping block 5 to the sealing sleeve 1, and the clamping block 5 is divided into two parts of a locking connection cylinder part 10a and a fixed connection cylinder part 10b on the sealing sleeve 1, the clamping block 5 includes a first semi-annular fixture block 50 and a second semi-annular fixture block 51, the first semi-annular fixture block 50 is disposed on the outer edge surface of the first semi-cylindrical body 100, the second semi-annular fixture block 51 is disposed on the outer edge surface of the second semi-cylindrical body 101, the first semi-cylindrical body 100 and the second semi-cylindrical body 101 are fastened by the first semi-annular fixture block 50 and the second semi-annular fixture block 51, so that the clamping block 5 and the sealing sleeve 1 are fastened to form an integral structure, the locking cover 2 is sleeved on the periphery of the locking connecting cylinder part 10a, and the fixed pressing ring 4 is sleeved on the periphery of the fixed connecting cylinder part 10 b; buckling parts 50a extend out from the end parts of the two ends of the first semi-annular fixture block 50 along the circumferential direction of the ring surface, the buckling parts 50a extend out along the circumferential direction of the ring surface of the first semi-annular fixture block 50 or extend out along the tangential direction, a buckling notch 50b is arranged on the lower surface of the buckling part 50a, and a plurality of sections of annular inserting ports 50c along the radial direction are arranged on the ring surface of the first semi-annular fixture block 50; the end portions of the two ends of the second semi-annular fixture block 51 extend along the circumferential direction of the ring surface, the insertion strip 51a extends along the circumferential direction of the ring surface of the second semi-annular fixture block 51 or extends along the tangential direction, the end portion of the insertion strip 51a is provided with a bending portion 51b bending outwards, the ring surface of the end portion close to the two ends of the second semi-annular fixture block 51 is provided with an insertion groove 51c, the section of the opening portion of the insertion groove 51c is approximately flush with the section of the end portion of the two ends of the second semi-annular fixture block 51, when the first semi-annular fixture block 50 and the second semi-annular fixture block 51 are fastened with each other, the fastening portion 50a is inserted into the insertion groove 51c and fastened in the insertion groove 51c through the fastening notch 50b, so that the fastening notch 50b is fastened with a fastening protrusion (not shown) in the insertion groove 51c in a matching manner, and the insertion strip 51a is inserted into the annular insertion opening 50c from the inner wall of the first semi-annular fixture block 50 for, the grafting strip 51a matches the lock joint in inserting grafting recess 51c from the upper surface of second semi-annular fixture block 51 the outer wall of locking connection section of thick bamboo portion 10a and fixed connection section of thick bamboo 10b are provided with the external screw thread respectively, the inner wall of locking lid 2 and the inner wall of fixed clamping ring 4 are provided with the internal thread, locking lid 2 with locking connection section of thick bamboo portion 10a passes through threaded connection, fixed clamping ring 4 with fixed connection section of thick bamboo 10b passes through threaded connection. When the first semi-cylinder 100 and the second semi-cylinder 101 are fastened to form the cylindrical sealing sleeve 1, the bent portion 51b at the end of the insertion strip 51a is inserted from the inner wall of the semi-ring of the first semi-ring fixture 50 to the ring-shaped insertion opening 50c and can extend from the ring-shaped insertion opening 50c of the first semi-ring fixture 50 to the outside, and the fastening notch 50b at the lower surface of the fastening portion 50a is fastened to the fastening protrusion (not shown) in the insertion groove 51c, so that the whole fastening portion 50a is fastened in the insertion groove 51c, the bent portion 51b is reversely hooked in the ring-shaped insertion opening 50c and close to the side of the fastening portion 50a, if the fastening protrusion (not shown) between the fastening portion 50a and the insertion groove 51c is opened and released, because the bent portion 51b is reversely hooked in the ring-shaped insertion opening 50c, and the bent portion 51b can slide in the ring-shaped insertion opening 50c, thereby prevented to be opened between first semicylinder 100 and the second semicylinder 101 to improved the steadiness and the reliability of sealing sleeve 1 lock joint, still can prevent first semicylinder 100 and second semicylinder 101 dislocation when the lock joint, thereby can avoid taking place the dislocation and making cable threading passageway 11 take place to warp between first semicylinder 100 and the second semicylinder 101.

In the present invention, as shown in fig. 4, 6, 7 and 8, a radial cutting gap 30 is formed on the outer wall of the sealing sleeve 3 along the radial direction, and the radial cutting gap 30 penetrates through the entire sealing sleeve 3; sealing sleeve 3 includes sleeve head 31, the body fixed part 32 that stretches out from sleeve head 31, the grafting pipe portion 33 that stretches out from body fixed part 32, the external diameter of sleeve head 31, body fixed part 32 and grafting pipe portion 33 is the echelonment and reduces, makes and forms the step between sleeve head 31 and the body fixed part 32, forms the step between body fixed part 32 and the grafting pipe portion 33, the length of sleeve head 31, body fixed part 32 and grafting pipe portion 33 increases in proper order, is equipped with outside convex rack 34 along the axis direction on the lateral wall of body fixed part 32. With reference to fig. 5, 6, 7 and 8, the insertion tube portion 33, the tube fixing portion 32 and the sleeve head portion 31 are sequentially inserted into the locking connection tube portion 10a, a first step surface 100a and a second step surface 100b are sequentially formed in the locking connection tube portion 10a from an end portion close to the locking connection tube portion 10a toward the fixed connection tube 10b side, an inner diameter of the first step surface 100a is larger than an inner diameter of the second step surface 100b, an end portion of the insertion tube portion 33 is in close contact with the second step surface 100b, an end portion of the tube fixing portion 32 is in close contact with the first step surface 100a, a strip-shaped locking groove 100c along an axial direction is formed in an inner wall between the end portion of the locking connection tube portion 10a and the first step surface 100a, and the strip-shaped locking groove 100c is engaged with the rack 34 on the side wall of the tube fixing portion 32 in a matching manner; when the sealing sleeve 3 needs to be arranged on the outer wall of the cable 12, the sealing sleeve 3 is unfolded along the radius cutting gap 30 and sleeved on the outer wall of the cable 12, then the sealing sleeve 3 is sequentially inserted into the locking connection cylinder part 10a and is contacted with the first step surface 100a and the second step surface 100b inside the locking connection cylinder part, because the sealing sleeve 3 is made of silicon rubber, the sealing tube body 10 (except the sealing sleeve 3) is made of PVC insulating material or other resin and plastic, under the elastic action of the sealing sleeve 3, the sealing sleeve 3 closes the radius cutting gap 30, then the sleeve head part 31, the tube body fixing part 32 and the inserting tube part 33 are gradually inserted onto the inner wall surface of the locking connection cylinder part 10a, and the strip-shaped clamping groove 100c and the rack 34 on the side wall of the tube body fixing part 32 are mutually matched and clamped together, because the strip-shaped clamping groove 100c and the rack 34 are mutually matched and clamped together so as to be conveniently placed, thereby having good positioning function, and in the process of screwing the locking cover 2 to move forwards, the sealing sleeve 3 does not shift when being extruded in the locking connection cylinder part 10a of the sealing sleeve 3, the annular cylinder mouth (mouth of the lock connection cylinder portion 10a) where the first step surface 100a is located is easily deformed by being relatively thin, and when the locking cap 2 is screwed forward, because the inner wall bore of the locking cover 2 is gradually reduced, the locking cover 2 extrudes and locks the opening part of the connection cylinder part 10a along the radial direction, so that the sealing sleeve 3 inside the locking cover is gradually extruded and reduced, the sealing sleeve 3 is extruded and fastened on the outer wall of the cable 13, and the locking cover 2 also pushes the clamping block 5 to extrude at the moment, so that when the whole sealing tube body 10 is fixed on the outer wall of the distribution box or the switch cabinet 13, the sealing sleeve 3 realizes the waterproof plugging of the whole cable.

In the present invention, as shown in fig. 9, the fixed compression ring 4 is formed by mutually fastening a first semicircular compression ring 400 and a second semicircular compression ring 401, two ends of the first semicircular compression ring 400 and two ends of the second semicircular compression ring 401 are respectively provided with an inserting mechanism which are mutually matched and inserted, and two ends of the first semicircular compression ring 400 and two ends of the second semicircular compression ring 401 are mutually fastened through the inserting mechanism; the inserting mechanism comprises an inserting part 4001 arranged on the outer walls of the two ends of the first semicircular pressing ring 400 and clamping parts 4010 arranged on the outer walls of the two ends of the second semicircular pressing ring 401, the inserting part 4001 extends out along the outer walls of the two ends of the first semicircular pressing ring 400, the clamping parts 4010 extend out along the outer walls of the two ends of the second semicircular pressing ring 401, and the inner walls of the first semicircular pressing ring 400 and the second semicircular pressing ring 401 are provided with internal threads which are in the same direction and can be in threaded connection with the outer wall of the sealing sleeve 1; the clamping ring comprises a first semicircular pressing ring 400, wherein two sides of the root of a connecting part 4001 are respectively provided with a first hooking joint 4002 protruding outwards, the inner wall of the connecting part 4001 is provided with a hooking bayonet 4003, a clamping hooking interface 4011 is transversely arranged on the inner side wall of the clamping part 4010, the center of the clamping part 4010 is provided with a clamping port 4012 along the extending direction, the clamping port 4012 forms a groove 4013 between the root of the clamping part 4010 and the outer wall of the end part of a second semicircular pressing ring 401, an outwards protruding second inserting joint 4014 is arranged in the groove 4013 at the root of the clamping port 4012, the connecting part 4001 is inserted into the groove 4013 and enables the hooking bayonet 4003 to be buckled with a second inserting joint 4014, the clamping hooking interface is buckled with the first hooking joint 4002, the connecting part 4001 and the first semicircular pressing ring 400 are buckled on the same circumferential line, the connecting part 4001 extends out along the direction of the end part of the first semicircular pressing ring 400 and is inserted into the clamping port 4012 between the clamping part 4010 Go the lock joint, clamping part 4010, centre gripping mouth 4012 and second semicircular pressure ring 401 are on same circumference, clamping part 4010, centre gripping mouth 4012 stretch out along the direction that the tip circumference of second semicircular pressure ring 401 encircles, clamping part 4010 insert with first collude joint 4002 carries out the lock joint, and grafting portion 4001 inserts to the slot 4013 of root in from the opening part of centre gripping mouth 4012, and the second plug 4014 in grafting portion 4001 and the centre gripping mouth 4012 root carries out the lock joint. When grafting mechanism at the both ends through first semi-circular clamping ring 400 and the semi-circular 401 both ends of second is pegged graft, it is convenient to peg graft moreover, the grafting portion 4001 centre gripping and the lock joint at first semi-circular clamping ring 400 both ends are in the clamping part 4010 of the both ends outer wall of second semi-circular clamping ring 401, when first semi-circular clamping ring 400 after the lock joint is twisted to the outer wall of sealing sleeve 1 and second semi-circular clamping ring 401 carries out threaded connection, first semi-circular clamping ring 400 and second semi-circular clamping ring 401 stabilize under clamping part 4010's centre gripping and lock joint effect and are connected, and be difficult to the slippage.

The utility model discloses in, as shown in fig. 2, fig. 9, fig. 11 and fig. 12, locking lid 2 includes lid 20 and lower lid 21, it is the drum structure with lower lid 21 to go up lid 20, it has the same drum connecting portion 22 of an internal diameter and sealing sleeve 1 external diameter and the same drum locking section 23 of an internal diameter and sealing sleeve 1 internal diameter to go up lid 20 and lower lid 21 slip lock joint when forming an organic whole, drum connecting portion 22 and drum locking section 23 integrated into one piece just form the cable threading passageway in its inside, the outer wall diameter and the inner wall diameter of drum locking section 23 diminish from drum connecting portion 22 one side to the tip one side of drum locking section 23 gradually. In the present invention, as shown in fig. 9, 11 and 12, the cylinder connecting portion 22 includes an upper cylinder connecting portion 220 and a lower cylinder connecting portion 221, the cylinder locking portion 23 includes an upper cylinder locking portion 230 and a lower cylinder locking portion 231, the upper cylinder connecting portion 220 and the upper cylinder locking portion 230 are integrally formed, the lower cylinder connecting portion 221 and the lower cylinder locking portion 231 are integrally formed, internal threads are provided on inner walls of the upper cylinder connecting portion 220 and the lower cylinder connecting portion 221, when the upper cylinder connecting portion 220 and the lower cylinder connecting portion 221 are slidably fastened to each other, a hexahedron shape is formed on an outer wall thereof, and when the upper cylinder locking portion 230 and the lower cylinder locking portion 231 are slidably fastened to each other, an inclined arc surface 232 with a gradually reduced caliber is formed on an inner wall thereof; thereby when going up half-cylinder locking section 230 and lower half-cylinder locking section 231's mutual slip lock joint formation locking lid 2 and establishing the outer wall at cable 12, and twist locking lid 2 and make it carry out threaded connection with the outer wall of sealing sleeve 1, twist locking lid 2 and to the in-process of advancing in joint piece 5 one side, locking lid 2 inner wall forms the slope arcwall face 232 that the bore reduces gradually, this slope arcwall face 232 will extrude the tip of sealing sleeve 3 and close to cable 12 cohesion is sealed, locking lid 2 compresses tightly behind the sealing sleeve 3 better rather than the cable 12 cohesion leakproofness that passes, so the effect of antiseep is better. And the cable 12 does not need to be threaded again when the sealing sleeve 3 is overhauled or replaced later, the sealing sleeve 3 can be directly sleeved on the cable 12 only by being broken off by hands, and the maintenance is very convenient. A strip-shaped buckling strip 2200 extending along one side of the upper half cylinder locking section 230 is respectively arranged at the outer wall edges of the two sides of the upper half cylinder connecting part 220, and a strip-shaped buckling groove 2201 is formed between the strip-shaped opening strip 2220 and the outer wall edge of the upper half cylinder connecting part 220; the edges of the two inner side walls of the lower semi-cylinder connecting part 221 are respectively provided with a strip-shaped groove 2210 extending along one side of the lower semi-cylinder locking section 231, a strip-shaped projection 2211 is formed between the edge of the strip-shaped groove 2210 and the edge of the lower semi-cylinder connecting part 221, the strip-shaped buckle strip 2200 starts from the side close to the upper semi-cylinder locking section 230, the strip-shaped buckle strip 2200 is inserted from the port of the strip-shaped groove 2210 far away from the side of the lower semi-cylinder locking section 231 in a sliding way, so that the strip-shaped buckle strip 2200 is in sliding buckling connection with the strip-shaped groove 2210, and the strip-shaped projection 2211 is in mutual sliding buckling connection with the strip-shaped buckling groove 220; the strip-shaped buckling groove 2201 extends from the section of one end of the upper semi-cylindrical connecting part 220 and ends at the end of one side of the upper semi-cylindrical locking section 230; the bar groove 2210 extends from the cross section of one end of the lower half cylinder connecting part 221 and ends at the end of one side of the lower half cylinder locking section 231, a stepped clamping gap 2212 is formed at the transition position of the end of the bar groove 2210 and the inner walls of the upper half cylinder locking section 230 and the lower half cylinder locking section 231, so that when the upper half cylinder connecting part 220 and the lower half cylinder connecting part 221 are clamped in a sliding process, the clamping gap 2212 is ended and clamped, and a stepped clamping groove bar-shaped projection 2211 is formed between the inner wall of the lower half cylinder locking section 231 and the bar-shaped clamping groove 2201. When the upper cover body 20 and the lower cover body 21 are slidably engaged and fitted to the outside of the cable 12, referring to fig. 11 and 12, the a side (insertion side) of the upper half cylinder connecting portion 220 is inserted from the B side of the lower half cylinder connecting portion 221, the end of the bar-shaped buckle bar 2200 of the a side of the upper half cylinder connecting portion 220 is inserted into the end of the bar groove 2210 of the B side of the lower half cylinder connecting portion 221, and the bar-shaped buckle bar 2200 is pushed to slide in the bar groove 2210 to the end (a side) of the bar groove 2210, and at the same time, the bar projection 2211 is slid in the bar buckle groove 2201 to the end (a side) of the bar buckle groove 2201, thereby completing the sliding engagement of the upper cover body 20 and the lower cover body 21 to form a complete locking cover 2, and the locking cover 2 formed by the sliding engagement is not easily come off during the screwing of the locking cover 2 to the side of the clamping block 5, and is not easily dislocate, the outer wall of the locking cover 2 is hexahedral and easy to apply force when being screwed. When needing to open, only need slide to the opposite direction of slip lock joint with strength and release, just can open upper cover body 20 and lower cover body 21 immediately, on-the-spot installer screws upper cover body 20 and lower cover body 21 cooperation or dismantles the maintenance through the mode of exerting oneself more laborsaving, improves cable duct's sealing performance, avoids external foreign matter or water to enter into cable duct and causes the electric leakage accident.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a waterproof fixed head of cable threading which characterized in that: the waterproof fixing head comprises a sealing pipe body (10) formed by clamping two semicircular barrels, a cable threading channel (11) is formed in the center of the sealing pipe body (10), the sealing pipe body (10) comprises a detachable sealing sleeve (1), a detachable locking cover (2) and a detachable fixed pressing ring (4) which are sleeved on the periphery of the sealing sleeve (1) and a detachable sealing sleeve (3) which is sleeved in the sealing sleeve (1), the sealing sleeve (3) and the locking cover (2) are positioned on the same side, a clamping block (5) is convexly arranged on the outer edge surface of the sealing sleeve (1), the clamping block (5) and the sealing sleeve (1) are integrally arranged, the locking cover (2) and the fixed pressing ring (4) are respectively sleeved on the sealing sleeve (1) on the two sides of the clamping block (5), and the locking cover (2) is in a state with two open ends, and the inner diameter end of one end of the locking cover (2) is gradually reduced.

2. The waterproof fixed head of cable threading of claim 1, characterized in that: the sealing sleeve (1) comprises a first semicylinder body (100) and a second semicylinder body (101), the first semicylinder body (100) and the second semicylinder body (101) are buckled through a clamping block (5) to form the sealing sleeve (1), the clamping block (5) is separated into two parts, namely a locking connection cylinder part (10a) and a fixed connection cylinder part (10b), on the sealing sleeve (1), the clamping block (5) comprises a first semicylinder clamping block (50) and a second semicylinder clamping block (51), the first semicylinder clamping block (50) is outwards arranged on the outer edge surface of the first semicylinder body (100), the second semicylinder clamping block (51) is outwards arranged on the outer edge surface of the second semicylinder body (101), and the first semicylinder body (100) and the second semicylinder body (101) are buckled through the first semicylinder clamping block (50) and the second semicylinder clamping block (51), thereby make joint piece (5) and sealing sleeve (1) lock joint form integrative setting, locking cover (2) cover is established in the periphery of locking connecting cylinder portion (10a), fixed clamping ring (4) cover is established in the periphery of fixed connecting cylinder (10 b).

3. A cable-threading waterproof fixing head according to claim 2, characterized in that: buckling parts (50a) extend out of the end parts of the two ends of the first semi-annular clamping block (50) along the surrounding direction of the ring surface, a buckling notch (50b) is arranged on the lower surface of the buckling part (50a), and a plurality of sections of annular inserting ports (50c) in the radial direction are arranged on the ring surface of the first semi-annular clamping block (50); inserting strips (51a) extend out of the end parts of the two ends of the second semi-annular fixture block (51) along the ring surface surrounding direction, bending parts (51b) which bend outwards are arranged at the end parts of the inserting strips (51a), inserting grooves (51c) are arranged on the ring surface of the end parts close to the two ends of the second semi-annular fixture block (51), the cross sections of the opening parts of the inserting grooves (51c) are approximately flush with the cross sections of the end parts of the two ends of the second semi-annular fixture block (51), when the first semi-annular fixture block (50) and the second semi-annular fixture block (51) are buckled with each other, the buckling parts (50a) are inserted into the inserting grooves (51c) and buckled in the inserting grooves (51c) through buckling notches (50b), the inserting strips (51a) are inserted into the annular inserting ports (50c) outwards from the inner wall of the first semi-annular fixture block (50) for splicing, the plug strip (51a) is inserted into the plug groove (51c) from the upper surface of the second semi-annular fixture block (51) for matching and buckling.

4. A cable-threading waterproof fixing head according to claim 2, characterized in that: the outer wall of locking connection section of thick bamboo portion (10a) and the outer wall of fixed connection section of thick bamboo (10b) are provided with the external screw thread respectively, the inner wall of locking lid (2) and the inner wall of fixed clamping ring (4) are provided with the internal thread, locking lid (2) with locking connection section of thick bamboo portion (10a) passes through threaded connection, fixed clamping ring (4) with fixed connection section of thick bamboo (10b) pass through threaded connection.

5. The waterproof fixed head of cable threading of claim 1, characterized in that: a radius cutting gap (30) is formed in the outer wall of the sealing sleeve (3) along the radius direction, and the radius cutting gap (30) penetrates through the whole sealing sleeve (3); sealing sleeve (3) include casing head (31), from body fixed part (32) that casing head (31) stretched out, from body fixed part (32) stretch out grafting pipe portion (33), the external diameter of casing head (31), body fixed part (32) and grafting pipe portion (33) is the echelonment and reduces, the length of casing head (31), body fixed part (32) and grafting pipe portion (33) increases in proper order, is equipped with outside convex rack (34) along the axis direction on the lateral wall of body fixed part (32), grafting pipe portion (33), body fixed part (32) and casing head (31) insert in proper order in the locking connection section of thick bamboo portion (10 a).

6. A cable-threading waterproof fixing head according to claim 5, characterized in that: a first step surface (100a) and a second step surface (100b) are sequentially arranged in the locking connection cylinder part (10a) from the end part close to the locking connection cylinder part (10a) to one side of the internal fixed connection cylinder (10b), the inner diameter of the first step surface (100a) is larger than that of the second step surface (100b), the end part of the insertion pipe part (33) is tightly contacted with the second step surface (100b), the end part of the pipe body fixing part (32) is tightly contacted with the first step surface (100a), a strip-shaped clamping groove (100c) along the axial direction is arranged on the inner wall between the end part of the locking connection cylinder part (10a) and the first step surface (100a), and the strip-shaped clamping groove (100c) is matched and clamped with the rack (34) on the side wall of the pipe body fixing part (32).

7. A cable-threading waterproof fixing head according to claim 1 or 4, characterized in that: fixed clamping ring (4) are formed by the mutual lock joint of first semicircular clamping ring (400) and second semicircular clamping ring (401), are provided with the grafting mechanism of pegging graft of mutually supporting respectively at the both ends of first semicircular clamping ring (400) and the both ends of second semicircular clamping ring (401), the both ends of first semicircular clamping ring (400) and the both ends of second semicircular clamping ring (401) are respectively through the mutual lock joint of this grafting mechanism.

8. The waterproof cable threading fixing head of claim 7, wherein: the inserting mechanism comprises an inserting part (4001) arranged on the outer walls of two ends of a first semicircular pressing ring (400) and clamping parts (4010) arranged on the outer walls of two ends of a second semicircular pressing ring (401), the inserting part (4001) extends out along the outer walls of two ends of the first semicircular pressing ring (400), the clamping parts (4010) extend out along the outer walls of two ends of the second semicircular pressing ring (401), outwards convex first hook connectors (4002) are respectively arranged on the outer walls of two ends of the first semicircular pressing ring (400) and on two sides of the root of the inserting part (4001), hooking bayonets (4003) are arranged on the inner wall of the inserting part (4001), clamping hook connectors (4011) are transversely arranged on the inner side wall of the clamping parts (4010), clamping ports (4012) are arranged in the center of the clamping parts (4010) and along the extending direction, grooves (4013) are formed between the root of the clamping parts (4010) and the outer wall of the end part of the second semicircular pressing ring (401), be provided with outside convex second bayonet joint (4014) in slot (4013) that is located centre gripping mouth (4012) root, grafting portion (4001) inserts in slot (4013) and makes to collude the bayonet socket and collude bayonet socket (4003) and second bayonet joint (4014) lock joint, centre gripping collude interface (4011) with first collude joint (4002) lock joint.

9. The waterproof fixed head of cable threading of claim 8, characterized in that: on the same circumference of grafting portion (4001) and first semicircular clamping ring (400), this grafting portion (4001) stretches out and inserts to along the direction that the tip circumference line of first semicircular clamping ring (400) encircles and carry out the lock joint in centre gripping mouth (4012) between clamping part (4010), clamping mouth (4012) and second semicircular clamping ring (401) are on same circumference, clamping part (4010), clamping mouth (4012) stretch out along the direction that the tip circumference line of second semicircular clamping ring (401) encircles, clamping part (4010) insert with first collude joint (4002) carry out the lock joint, grafting portion (4001) insert to the slot (4013) of root and with second plug joint (4014) carry out the lock joint from the opening part of clamping mouth (4012).