CN216818837U - Five-core waterproof butt plug - Google Patents

Abstract

The utility model relates to the field of cable joints, in particular to a five-core waterproof butt joint plug which comprises a male core and a female core, wherein the male core and the female core are used for butt joint of two cables, the male core and the female core are spliced and matched to form a butt joint piece, two ends of the butt joint piece are provided with binding posts communicated with the cables, the butt joint piece is sleeved with a male screw sleeve and a female screw sleeve which are used for axially holding the male core and the female core, the male screw sleeve is in threaded connection with the female screw sleeve, and one ends, far away from each other, of the male core and the female core are provided with cable clamp shells for holding the cables; the male screw sleeve is fixed on the outer periphery of the male core, the inner wall of the female screw sleeve is provided with an inner peripheral convex ring, the inner peripheral convex ring is matched with an outer peripheral convex ring arranged on the outer wall of the female core, and the female core and the male core are limited to move axially relative to each other when the male screw sleeve and the female screw sleeve are in threaded connection. This application has avoided docking plug to receive the cable to pull effectively and has leaded to the pine to take off the separation, has improved the stability of butt joint.

Description

Five-core waterproof butt plug

Technical Field

The utility model relates to the field of cable connectors, in particular to a five-core waterproof butt-joint plug.

Background

The five-core waterproof butt-joint plug is used for quickly connecting cables and is also beneficial to later-stage disassembly for maintaining and replacing the cables in a segmented manner. The existing waterproof butt plug has some problems in actual use, and when the cable is pulled by axial traction force, the butt plug and the cable are easy to loosen, so that maintenance personnel are required to invest a large amount of energy and time to overhaul.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need to provide a five-core waterproof docking plug.

In order to solve the problems of the prior art, the utility model adopts the technical scheme that:

a five-core waterproof butt plug comprises a male core and a female core used for butt joint of two cables, wherein the male core and the female core are spliced and matched to form a butt joint piece, wiring terminals communicated with the cables are arranged at two ends of the butt joint piece, a male screw sleeve and a female screw sleeve used for axially holding the male core and the female core are sleeved on the butt joint piece, the male screw sleeve and the female screw sleeve are in threaded connection, and wire clamp shells used for holding the cables are arranged at the ends, far away from each other, of the male core and the female core; the male screw sleeve is fixed on the outer periphery of the male core, the inner wall of the female screw sleeve is provided with an inner peripheral convex ring, the inner peripheral convex ring is matched with an outer peripheral convex ring arranged on the outer wall of the female core, and the female core and the male core are limited to move axially relative to each other when the male screw sleeve and the female screw sleeve are in threaded connection.

Preferably, one end of the wire clamp shell, which is far away from the butt joint part, is provided with a plurality of strip-shaped openings, the strip-shaped openings are uniformly distributed around the axis of the wire clamp shell, the strip-shaped openings extend along the axis direction of the wire clamp shell, and a plurality of elastic tightening strips are formed among the strip-shaped openings; the wire clamp shell is far away from one end of the butt joint piece and is connected with a tail sleeve in a threaded mode, a conical opening for inwards tightening the elastic tightening strip is formed in the inner side of the tail sleeve, and the conical opening is in butt joint with the outer side of the elastic tightening strip.

Preferably, one end of the male core is recessed along the axis direction to form a slot, and a contact pin is arranged in the slot; one end of the female core is convex along the axis direction to form an inserting column, the inserting column is matched with the peripheral convex ring in an inserting way, and a needle groove matched with the contact pin in an inserting way is formed in the inserting column.

Preferably, the inner wall of the slot is provided with a positioning convex strip, and the positioning convex strip is at least provided with one positioning convex strip and extends along the axial direction of the slot; be equipped with the constant head tank on the outer wall of grafting post, the axial extension of constant head tank edge grafting post, its quantity corresponds with the location sand grip, constant head tank and location sand grip sliding fit.

Preferably, a plurality of anti-skid convex strips are annularly arranged on the periphery of the male thread sleeve and the periphery of the female thread sleeve.

Preferably, a tail plug rubber ring is arranged inside the wire clamp shell; the butt joint of the wire clamp shell and the butt joint piece is provided with a first sealing ring, and the butt joint of the male core and the female core is provided with a second sealing ring.

Compared with the prior art, the beneficial effect of this application is:

1. this application is through the retaining member that public swivel nut and female swivel nut are constituteed and hold tightly the cable through fastener casing, has improved the stability after the butt joint plug is connected effectively, has avoided the cable to receive to drag the back effectively and has leaded to public core, the separation of female core son.

2. This application can press from both sides tightly and loosen the cable, simple structure, convenient operation conveniently through the cooperation of bar opening, elasticity tightening strip, tail cover and bell mouth conveniently.

3. This application is connected through the grafting structure that slot, contact pin, plug column, needle groove are constituteed to through location sand grip and constant head tank assistance-localization real-time, improved the butt joint precision of public core and female core.

4. This application has increased the frictional force when revolving public swivel nut, female swivel nut effectively through set up anti-skidding sand grip on public swivel nut and female swivel nut perisporium, makes things convenient for operating personnel application of force.

Drawings

Fig. 1 is a perspective view of the present application in use;

FIG. 2 is an exploded perspective view of the present application;

FIG. 3 is a cross-sectional view of the present application in an assembled state of a female insert and a female core;

FIG. 4 is a first perspective view of the male core of the present application;

FIG. 5 is a second perspective view of the male core of the present application;

FIG. 6 is a perspective view of a parent core of the present application;

FIG. 7 is a perspective view of the clip housing of the present application with the elastic tightening strip in a tightened state;

FIG. 8 is a cross-sectional view of a boot of the present application.

The reference numbers in the figures are:

1-male core; 1 a-slot; 1a 1-positioning tabs; 1 b-inserting a pin;

2-a female core; 2 a-a peripheral convex ring; 2 b-a plug column; 2b 1-positioning groove; 2 c-needle groove;

3-a binding post;

4-male thread insert;

5-female thread insert; 5 a-inner peripheral convex ring;

6-a wire clamp housing; 6 a-a strip-shaped opening; 6 b-elastic tightening strip; 6 c-tail sleeve; 6 d-cone mouth;

7-tail plug rubber ring;

8-first sealing ring.

Detailed Description

For a better understanding of the features and technical solutions of the present invention, as well as the specific objects and functions attained by the present invention, reference is made to the accompanying drawings and detailed description of the utility model.

As shown in fig. 1-8, the present application provides:

a five-core waterproof butt plug comprises a male core 1 and a female core 2 which are used for butt joint of two cables, wherein the male core 1 and the female core 2 are spliced and matched to form a butt joint piece, two ends of the butt joint piece are provided with binding posts 3 communicated with the cables, the butt joint piece is sleeved with a male screw sleeve 4 and a female screw sleeve 5 which are used for axially holding the male core 1 and the female core 2 tightly, the male screw sleeve 4 is in threaded connection with the female screw sleeve 5, and one ends, far away from each other, of the male core 1 and the female core 2 are provided with wire clamp shells 6 which are used for holding the cables tightly; the male screw sleeve 4 is fixed on the outer periphery of the male core 1, an inner peripheral convex ring 5a is arranged on the inner wall of the female screw sleeve 5, the inner peripheral convex ring 5a is matched with an outer peripheral convex ring 2a arranged on the outer wall of the female core 2, and the female core 2 and the male core 1 are limited to move axially relative to each other when the male screw sleeve 4 is in threaded connection with the female screw sleeve 5.

Based on above-mentioned embodiment, the technical problem that this application wants to solve is stability when how to improve the cable butt joint, avoids the cable to receive the axial to pull and causes to loosen. For this reason, this application makes public core 1 and female core 2 respectively can carry out the electric conduction with two cables through fixing public core 1 and female core 2 respectively to two cables earlier to utilize the terminal 3 that is located public core 1 and female core 2 tip to make public core 1 and female core 2 respectively. The other ends of the male core 1 and the female core 2 are mutually inserted and matched to form a current path, the male screw sleeve 4 and the female screw sleeve 5 are screwed to be locked, and the outer convex ring 2a of the female core 2 is blocked by the inner convex ring 5a, so that the male core 1 and the female core 2 cannot be loosened. And the wire clamp shell 6 is used for clamping the peripheral wall of the cable, so that the axial traction force borne by the male core 1 and the female core 2 is further shared, and the butt joint stability of the cable is greatly improved. The circumferential wall of the male core 1 is provided with a ring groove in advance, and the male thread insert 4 is pressed into the ring groove, so that the male thread insert 4 and the male core 1 form an integrated structure, the number of parts is reduced, and the male core 1 and the male thread insert 4 are produced respectively conveniently by the method. The above object can also be achieved by integrally injection molding the male socket 4 and the male core 1. The number of the posts 3 is five, but the number may be changed as necessary and the posts may be made of a conductive metal material such as copper.

Further:

one end of the wire clamp shell 6, which is far away from the butt joint piece, is provided with a plurality of strip-shaped openings 6a, the strip-shaped openings 6a are uniformly distributed around the axis of the wire clamp shell 6, the strip-shaped openings 6a extend along the axis direction of the wire clamp shell 6, and a plurality of elastic tightening strips 6b are formed among the strip-shaped openings 6 a; the wire clamp shell 6 is far away from one end of the butt joint piece and is connected with a tail sleeve 6c in a threaded mode, a conical opening 6d for inwards tightening the elastic tightening strip 6b is formed in the inner side of the tail sleeve 6c, and the conical opening 6d is in butt joint with the outer side of the elastic tightening strip 6 b.

Based on the above-mentioned embodiment, the technical problem that this application wants to solve is how to hug the cable with the clamp housing 6. The wire clamp shell 6 is in threaded connection with the end parts of the male core 1 and the female core 2 which form the butt joint piece, so that the wire clamp is convenient to disassemble and assemble. The cable passes through the wire clamp shell 6 main part and the tail sleeve 6c in proper order, and after the wire clamp shell 6 is fixed at the tip of the male core 1 and the female core 2, the tail sleeve 6c is connected with the end thread of the wire clamp shell 6, and in the process of screwing the tail sleeve 6c, the conical opening 6d is abutted against the elastic tightening strip 6b, so that the cable is clasped by contraction of the conical opening.

Further:

one end of the male core 1 is concave inwards along the axial direction to form a slot 1a, and a contact pin 1b is arranged in the slot 1 a; one end of the female core 2 is convex along the axial direction to form a plug column 2b, the plug column 2b is in plug fit with the peripheral convex ring 2a, and a needle groove 2c in plug fit with the contact pin 1b is formed in the plug column 2 b.

Based on the above embodiments, the technical problem to be solved by the present application is how to realize the butt joint of the male core 1 and the female core 2 and ensure the connection of the circuit. For this purpose, the male core 1 and the female core 2 form an abutting piece by inserting the plug post 2b into the slot 1a and inserting the pin 1b into the pin slot 2c, and the terminal 3 on the end of the male core 1 and the female core 2 away from each other forms a passage.

Further:

the inner wall of the slot 1a is provided with a positioning convex strip 1a1, and at least one positioning convex strip 1a1 extends along the axial direction of the slot 1 a; be equipped with constant head tank 2b1 on the outer wall of spliced pole 2b, constant head tank 2b1 is along the axial extension of spliced pole 2b, and its quantity corresponds with location sand grip 1a1, and constant head tank 2b1 and location sand grip 1a1 sliding fit.

Based on the above embodiments, the technical problem to be solved by the present application is to improve the accuracy of the insertion fit between the pin 1b and the pin groove 2 c. This application carries out prepositioning to slot 1a and the grafting cooperation of grafting post 2b through the cooperation of location sand grip 1a1 and constant head tank 2b1, and the cooperation of pegging graft is accurate with needle groove 2c to the contact pin 1b of being convenient for, improves the packaging efficiency, can also effectively prevent needle groove 2c damage. The pins 1b and the pin grooves 2c are all five, but other numbers can be provided as required.

And further:

a plurality of anti-skid convex strips are annularly arranged on the peripheries of the male thread sleeve 4 and the female thread sleeve 5.

Based on the above embodiments, the technical problem that the present application is intended to solve is to facilitate the operator to disassemble or assemble the male and female turnbuckles 4 and 5. For this reason, this application improves the frictional force when revolving public swivel nut 4, female swivel nut 5 through set up anti-skidding sand grip on public swivel nut 4 and female swivel nut 5 perisporium to convenient application of force improves the convenience of operation.

Further:

a tail plug rubber ring 7 is arranged inside the wire clamp shell 6; the butt joint of the wire clamp shell 6 and the butt joint piece is provided with a first sealing ring 8, and the butt joint of the male core 1 and the female core 2 is provided with a second sealing ring.

Based on the above embodiments, the technical problem that the present application intends to solve is to further improve the sealing performance of the entire mating plug. For this reason, this application improves holistic waterproof performance through setting up tail plug rubber ring 7, first sealing washer 8 and second sealing washer. The second seal ring is not shown in the figure.

The above examples, which are intended to represent only one or more embodiments of the present invention, are described in greater detail and with greater particularity, and are not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (6)

1. A five-core waterproof butt plug comprises a male core (1) and a female core (2) which are used for butt joint of two cables, wherein the male core (1) and the female core (2) are in plug-in fit to form a butt joint piece, and two ends of the butt joint piece are provided with binding posts (3) communicated with the cables, and the five-core waterproof butt plug is characterized in that a male threaded sleeve (4) and a female threaded sleeve (5) which are used for axially holding the male core (1) and the female core (2) tightly are sleeved on the butt joint piece, the male threaded sleeve (4) is in threaded connection with the female threaded sleeve (5), and one ends, far away from each other, of the male core (1) and the female core (2) are provided with cable clamp shells (6) holding the cables tightly; the male thread insert (4) is fixed on the outer periphery of the male core (1), an inner peripheral convex ring (5a) is arranged on the inner wall of the female thread insert (5), the inner peripheral convex ring (5a) is matched with an outer peripheral convex ring (2a) arranged on the outer wall of the female core (2), and the female core (2) and the male core (1) are limited to move axially relative to each other when the male thread insert (4) is in threaded connection with the female thread insert (5).

2. The five-core waterproof butt plug according to claim 1, wherein one end of the wire clamp shell (6) away from the butt piece is provided with a plurality of strip-shaped openings (6a), the strip-shaped openings (6a) are uniformly distributed around the axis of the wire clamp shell (6), the strip-shaped openings (6a) extend along the axis direction of the wire clamp shell (6), and a plurality of elastic tightening strips (6b) are formed among the strip-shaped openings (6 a); one end of the wire clamp shell (6) far away from the butt joint piece is connected with a tail sleeve (6c) in a threaded mode, a conical opening (6d) for inwards tightening the elastic tightening strip (6b) is formed in the inner side of the tail sleeve (6c), and the conical opening (6d) is in butt joint with the outer side of the elastic tightening strip (6 b).

3. The five-core waterproof butt plug according to claim 1, wherein one end of the male core (1) is recessed along the axial direction to form a slot (1a), and a pin (1b) is arranged in the slot (1 a); one end of the female core (2) is outwards protruded along the axis direction to form an inserting column (2b), the inserting column (2b) is matched with the peripheral convex ring (2a) in an inserting way, and a needle groove (2c) matched with the inserting needle (1b) in an inserting way is formed in the inserting column (2 b).

4. A five-core water-proof butt plug according to claim 3, wherein the inner wall of the slot (1a) is provided with a positioning rib (1a1), the positioning rib (1a1) has at least one and extends along the axial direction of the slot (1 a); be equipped with constant head tank (2b1) on the outer wall of grafting post (2b), constant head tank (2b1) along the axial extension of grafting post (2b), and its quantity corresponds with location sand grip (1a1), and constant head tank (2b1) and location sand grip (1a1) sliding fit.

5. The five-core waterproof butt plug according to claim 1, wherein the male thread insert (4) and the female thread insert (5) are circumferentially provided with a plurality of anti-slip ribs.

6. A five-core water-proof butt plug according to any one of claims 1 to 5, characterized in that a tail plug rubber ring (7) is arranged inside the wire clamp housing (6); a first sealing ring (8) is arranged at the joint of the wire clamp shell (6) and the butt joint piece, and a second sealing ring is arranged at the joint of the male core (1) and the female core (2).

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