CN215956020U

CN215956020U - Flood-proof protective cable joint for armored cable

Info

Publication number: CN215956020U
Application number: CN202121989618.7U
Authority: CN
Inventors: 张皖东; 陈文�; 胡君
Original assignee: Kanbo Electric Shanghai Co ltd
Current assignee: Kanbo Electric Shanghai Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-03-04
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses a flood-proof protective cable joint for armored cables, which comprises an MEDA-D type joint body and a second thread block, wherein the second thread block is arranged on the outer side of the back surface of the MEDA-D type joint body; the outside movable mounting of second screw thread piece has first thread groove, D type intermediate junction spare is installed in the outside of first thread groove, the outer lane groove has been seted up to D type intermediate junction spare's inboard, the inboard movable mounting in outer lane groove has O type circle, the back mounting of first thread inslot side has the thread circle. The O-shaped ring is arranged, so that the problem that the cable is damaged due to internal water seepage caused by a gap at a connecting part when the traditional device is used is effectively solved.

Description

Flood-proof protective cable joint for armored cable

Technical Field

The utility model relates to the technical field of cable connection, in particular to a flood-proof protective cable joint for an armored cable.

Background

With the development of times, various cable connection structures are gradually improved, the common armored double-sealing type cable connector in the current market is usually sealed by clamping rings at the upper end and the lower end and is connected through an upper connecting device and a lower connecting device, but a gap at the joint does not have any sealing protection measure, so that the traditional armored double-sealing type cable connector needs to be improved.

The defects of the armored double-sealing type joint in the prior art are as follows:

1. compared with the document CN210053186U, the armored double-seal anti-explosion cable stuffing box comprises a first joint body and a second joint body, wherein a first rubber sealing ring is sleeved on one side of the first joint body, a first metal gasket is pressed on the other side of the first rubber sealing ring, a cone is arranged on the other side of the first metal gasket, a taper sleeve is fixedly sleeved on one side of the cone, a second joint body is arranged on one side of the taper sleeve, a second rubber sealing ring and a second metal gasket are sequentially arranged on the other side of the second joint body, and pressing gaskets are embedded in the inner walls of the taper sleeve, the second joint body, the second rubber sealing ring and the second metal gasket. Inside we can't avoid liquid to enter into cable joint from connecting gap mouth position, can lead to inside rust, the functional failure of cable joint after intaking, especially like our common service environment such as marine engineering, water treatment, during natural disasters such as typhoon, flood, wave, inside liquid accessible connecting gap mouth threaded connection invades the joint, lead to cable joint functional failure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flood-proof protective cable joint for an armored cable, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a flood-proof protective cable joint for armored cables comprises an MEDA-D type joint body and a second thread block, wherein the second thread block is installed on the outer side of the back surface of the MEDA-D type joint body;

the outside movable mounting of second screw thread piece has first thread groove, D type intermediate junction spare is installed in the outside of first thread groove, the outer lane groove has been seted up to D type intermediate junction spare's inboard, the inboard movable mounting in outer lane groove has O type circle, the back mounting of first thread inslot side has the thread circle.

Preferably, the outer side of the front face of the MEDA-D type joint body is mounted on the first thread block, the outer side of the MEDA-D type joint body is movably mounted with a polytetrafluoroethylene flat washer, the outer side of the MEDA-D type joint body is mounted with a first nut, and the first nut is located on the back face of the polytetrafluoroethylene flat washer.

Preferably, the front surface of the second thread block is provided with an inner ring groove, and the inner side of the inner surface of the MEDA-D type joint body is movably provided with a first high-pressure sealing ring.

Preferably, a second nut is installed on the outer side of the D-shaped middle connecting piece, a third thread block is installed on the outer side of the back face of the D-shaped middle connecting piece, and an MEDS nut is movably installed on the outer side of the third thread block.

Preferably, an AS metal armor ring is installed on the inner side of the thread ring, and an AC metal armor ring is movably installed on the outer side of the back surface of the AS metal armor ring.

Preferably, a third nut is installed on the outer side of the MEDS nut, a compression washer is movably installed inside the MEDS nut, and a second high-pressure sealing ring is movably installed on the front face of the compression washer.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the armored double-seal cable joint, the O-shaped ring is installed, the O-shaped ring groove structure is designed at the corresponding position, the waterproof O-shaped ring is additionally arranged, when the armored double-seal cable joint is used, the D-shaped middle connecting piece is used for locking and displacing, the O-shaped ring and the outer wall of the joint are compressed and slide to realize sealing, the use requirements of different wire diameters can be met, the potential safety hazard that rainwater and seawater can enter the interior of the joint through the connecting gap opening threads is effectively solved, the armored double-seal cable joint has the characteristics of higher safety, stable performance and the like, the risk of outdoor use of equipment can be reduced, and the service life of the equipment can be prolonged.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the inner race groove configuration of the present invention;

FIG. 3 is a schematic view of the O-ring structure of the present invention;

FIG. 4 is a schematic view of an AS metal armor ring structure according to the present invention;

fig. 5 is a schematic structural view of the med nut of the present invention.

In the figure: 1. a MEDA-D type fitting body; 101. a first thread block; 102. a polytetrafluoroethylene flat washer; 103. A first nut; 2. a first high pressure seal ring; 201. a second thread block; 202. an inner ring groove; 3. an O-shaped ring; 301. a first thread groove; 302. an outer ring groove; 303. a D-shaped intermediate connector; 304. a second nut; 305. A third thread block; 4. an AS metal armor ring; 401. a thread ring; 402. an AC metal armor ring; 5. an MEDS nut; 501. a third nut; 502. a compression washer; 503. and a second high-pressure seal ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, fig. 2, fig. 4 and fig. 5, the present invention provides an embodiment: a flood-proof protective cable joint for armored cables.

The first embodiment is as follows: the MEDA-D type connector comprises a MEDA-D type connector body 1, wherein a first thread block 101 is installed on the outer side of the front face of the MEDA-D type connector body 1, a polytetrafluoroethylene flat washer 102 is movably installed on the outer side of the MEDA-D type connector body 1, a first nut 103 is installed on the outer side of the MEDA-D type connector body 1, the first nut 103 is located on the back face of the polytetrafluoroethylene flat washer 102, the MEDA-D type connector body 1 is a first main body structure of a device and can provide an installation position for an outer device and guarantee the stability of the whole device during connection, the polytetrafluoroethylene flat washer 102 can increase the tightness of the nut during connection, so that the connection and installation effect of the device is increased, the first thread block 101 can be directly fixed through the nut, the first nut 103 can provide an auxiliary installation part for workers, a user can conveniently install the device, a second thread block 201 is installed on the outer side of the back face of the MEDA-D type connector body 1, the front surface of the second thread block 201 is provided with an inner ring groove 202, the inner side of the inner surface of the MEDA-D type joint body 1 is movably provided with a first high-pressure sealing ring 2, the second thread block 201 can be directly assembled with the first thread groove 301, so that the stability of the device is ensured, the inner ring groove 202 and the outer ring groove 302 can provide an installation position for an internal O-shaped ring 3, the first high-pressure sealing ring 2 can increase the sealing performance of the device and prevent external water flow from entering the device, so that the service life of the device is prolonged, the back surface of the inner side of the first thread groove 301 is provided with a thread ring 401, the inner side of the thread ring 401 is provided with an AS metal armor ring 4, the outer side of the back surface of the AS metal armor ring 4 is movably provided with an AC metal armor ring 402, the thread ring 401 can be assembled with the first thread groove 301, and the AS metal armor ring 4 and the AC metal armor ring 402 can be assembled, connect the installation to the cable, guarantee the device can normal use, the outside movable mounting of third screw block 305 has MEDS nut 5, third nut 501 is installed in the outside of MEDS nut 5, the inside movable mounting of MEDS nut 5 has clamp washer 502, the front movable mounting of clamp washer 502 has second high pressure seal ring 503, MEDS nut 5 can directly carry out the composite erection with third screw block 305, thereby guarantee the stability of installation, third nut 501 can provide the component of supplementary installation for the staff, clamp washer 502 can increase the stability of MEDS nut 5 installation, second high pressure seal ring 503 can increase the sealed effect of junction, thereby can prevent inside the rivers entering structure.

Referring to fig. 3, a flood-proof protective cable joint for armored cable;

example two: including second screw block 201, the outside movable mounting of second screw block 201 has first thread groove 301, connecting piece 303 in the middle of the D type is installed to the outside of first thread groove 301, outer lane groove 302 has been seted up to connecting piece 303 in the middle of the D type, the inboard movable mounting of outer lane groove 302 has O type circle 3, second nut 304 is installed to the outside of connecting piece 303 in the middle of the D type, third screw block 305 is installed to the outside at the back of connecting piece 303 in the middle of the D type, connecting piece 303 is the middle part connecting body of device, can provide the mounted position for the internal arrangement, and can make up the stability of guaranteeing the device, O type circle 3 can block up the gap in the middle of inner lane groove 202 and outer lane groove 302, prevent that the gap from intaking, second nut 304 can be the member of staff's auxiliary installation.

The working principle is as follows: when the sealing device is used, the O-rings 3 are arranged on the inner sides of the outer ring groove 302 and the inner ring groove 202, when the sealing device is not used normally, the O-rings 3 are fixedly arranged on the outer surface part of the outer ring groove 302, then the D-shaped middle connecting piece 303 is rotated, the O-rings 3 are pushed out and slide to the inner side of the inner ring groove 202 in the rotating process, and when the D-shaped middle connecting piece 303 is rotated, the O-rings 3 are extruded and deformed, so that the sealing of a gap between the outer ring groove 302 and the inner ring groove 202 is ensured.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Claims

1. A flood-proof protective cable joint for armored cables, which comprises a MEDA-D type joint body (1) and a second thread block (201), and is characterized in that: a second thread block (201) is arranged on the outer side of the back surface of the MEDA-D type joint body (1);

the outside movable mounting of second screw block (201) has first thread groove (301), connecting piece (303) in the middle of the D type is installed in the outside of first thread groove (301), outer lane groove (302) have been seted up to the inboard of connecting piece (303) in the middle of the D type, the inboard movable mounting of outer lane groove (302) has O type circle (3), the back mounting of first thread groove (301) inboard has thread circle (401).

2. The armored cable flood-proof protective cable joint according to claim 1, wherein: the outer side of the front face of the MEDA-D type joint body (1) is installed on a first thread block (101), a polytetrafluoroethylene flat washer (102) is movably installed on the outer side of the MEDA-D type joint body (1), a first nut (103) is installed on the outer side of the MEDA-D type joint body (1), and the first nut (103) is located on the back face of the polytetrafluoroethylene flat washer (102).

3. The armored cable flood-proof protective cable joint according to claim 1, wherein: an inner ring groove (202) is formed in the front face of the second threaded block (201), and a first high-pressure sealing ring (2) is movably mounted on the inner side of the inner face of the MEDA-D type joint body (1).

4. The armored cable flood-proof protective cable joint according to claim 1, wherein: a second nut (304) is installed on the outer side of the D-shaped middle connecting piece (303), a third thread block (305) is installed on the outer side of the back face of the D-shaped middle connecting piece (303), and an MEDS nut (5) is movably installed on the outer side of the third thread block (305).

5. The armored cable flood-proof protective cable joint according to claim 1, wherein: an AS metal armor ring (4) is installed on the inner side of the thread ring (401), and an AC metal armor ring (402) is movably installed on the outer side of the back face of the AS metal armor ring (4).

6. The flood-proof protective cable joint for armored cables according to claim 4, wherein: third nut (501) are installed in the outside of MEDS nut (5), and the inside movable mounting of MEDS nut (5) has pressure washer (502), and the front movable mounting of pressure washer (502) has second high-pressure seal ring (503).