CN217768978U

CN217768978U - Safety extension socket

Info

Publication number: CN217768978U
Application number: CN202221933230.XU
Authority: CN
Inventors: 沈科哲
Original assignee: Cixi Li Gang Electronics Co ltd
Current assignee: Cixi Li Gang Electronics Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-11-08
Anticipated expiration: 2032-07-25

Abstract

The utility model provides a safe row inserts, including the casing, the head of casing is equipped with the line hole that is used for holding the cable and passes, be equipped with first mounting panel and the second mounting panel that is parallel to each other in the casing, first mounting panel with second mounting panel perpendicular to the axis in line hole, first mounting panel is located the line hole with between the second mounting panel, seted up on the first mounting panel with the coaxial first hole body that just is used for installing the rubber circle in line hole, seted up on the second mounting panel with the coaxial second hole body in first hole body, the diameter in second hole body is less than the diameter in first hole body, just the inner wall circumference equipartition in second hole body has at least three portion that compresses tightly that is used for compressing tightly the cable. The utility model discloses safe row inserts, compact structure, it is small, space utilization is high, and cable convenient assembling and joint strength are high.

Description

Safety extension socket

Technical Field

The utility model relates to a arrange and insert, in particular to safe row inserts.

Background

The socket is a multi-position socket with wires, also called a patch board or a socket, a scholar wire lengthening assembly or an extension line socket. A strip refers to a multi-position receptacle that has a power cord and a plug and that can be moved. More than one power plug can be connected, so that the space and the circuit are saved.

The extension socket can increase the number of jacks and can move the position of the socket, so that the extension socket is applied to various fields.

When the traditional extension socket is used for wiring, in order to improve the wiring stability and avoid the loosening of tension, the cable can be knotted after passing through the shell, and the diameter of the knotted cable is larger than that of the wire hole, so that the cable is prevented from loosening; but the above-mentioned operation of knoing has improved the equipment degree of difficulty, has reduced assembly efficiency, and fragile internal conductor need reserve sufficient distance simultaneously and place this knot, and to high-end safe socket, the cable diameter is great, is difficult for knoing or can not tie a knot.

SUMMERY OF THE UTILITY MODEL

【1】 Technical problem to be solved

The to-be-solved technical problem of the utility model is to provide a need not to tie a knot, connect stable, reliable safe row and insert.

【2】 Means for solving the problems

The utility model provides a safe extension socket, which comprises a housin, the upper surface of casing is equipped with circular jack 10 and USB socket, circular jack 10 is two at least and follows the length direction equidistance of casing sets up, the head of casing is equipped with the line hole 120 that is used for holding the cable and passes, be equipped with first mounting plate and the second mounting plate that is parallel to each other in the casing, first mounting plate with second mounting plate perpendicular to line hole 120's axis, first mounting plate is located line hole 120 with between the second mounting plate, seted up on the first mounting plate with the first hole body that line hole 120 is coaxial and is used for installing the rubber circle, seted up on the second mounting plate with the coaxial second hole body of first hole body, the diameter of second hole body is less than the diameter of first hole body, and the inner wall circumference equipartition of second hole body has at least three portion that compresses tightly that is used for compressing tightly the cable.

Further, the cross section of the pressing part is triangular.

Further, the second bracket plates are at least two and are arranged in parallel.

Further, the shell comprises an upper shell 1 and a lower shell 2 which are connected through a bolt, a first support plate I113 and a second support plate I112 which are parallel to each other are arranged at the lower end of the head of the upper shell 1, a first arc-shaped bayonet is formed in the lower end of the first support plate I113, and a second arc-shaped bayonet is formed in the lower end of the second support plate I112; the head upper end of lower casing 2 is equipped with first support plate II 23 and second support plate II 22 that are parallel to each other, third arc bayonet socket has been seted up to the upper end of first support plate II, fourth arc bayonet socket has been seted up to the upper end of second support plate II, first arc bayonet socket with form between the third arc bayonet socket first hole body, second arc bayonet socket with form between the fourth arc bayonet socket the second hole body.

Furthermore, the casing is internally and vertically provided with two supporting plates which are symmetrically arranged, a threading area is formed between the two supporting plates, and the first supporting plate and the second supporting plate are arranged between the two supporting plates.

Further, the diameter of a compression area formed between the compression parts is 88% -93% of the outer diameter of the cable.

Further, the distance between the first support plate and the second support plate is greater than or equal to 5mm and less than or equal to 15mm.

Further, the distance between two adjacent second support plates is greater than or equal to 3mm and less than or equal to 8mm.

【3】 Advantageous effects

The utility model discloses safe row inserts, sets up the portion of compressing tightly in the wire hole, can realize compressing tightly to the cable, need not to tie a knot the cable, improves assembly efficiency, is convenient for the quick installation of thick cable; the support plate structure is arranged and integrally formed by injection molding, so that the forming is convenient, the cost is low, the structural strength of the shell can be increased, the shrinkage deformation during injection molding and cooling is avoided, and the quality of a finished product is stable and reliable; the multi-bracket plate structure increases the compression area, improves the fixing strength of the cable and further improves the structural strength; the design of the pressing part is optimized, the pressing force is high, and the cable can be prevented from being damaged; the supporting plate is arranged, so that the length of the supporting plate is reduced, the structural strength is improved, the service life is long, and the safety and the reliability are realized; the support plate adopts a split type splicing design, and is convenient and quick to process and assemble; the utility model discloses safe row inserts, compact structure, it is small, space utilization is high, and cable convenient assembling and joint strength are high.

Drawings

Fig. 1 is a schematic structural view of the safety extension socket of the present invention;

fig. 2 is a schematic structural view of the lower housing of the safety extension socket of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a top view of the support plate of the safety extension socket of the present invention;

fig. 5 is a schematic structural view of the upper housing of the safety extension socket of the present invention;

fig. 6 is an enlarged view of a portion B in fig. 5.

Detailed Description

The following describes embodiments of the present invention in detail with reference to the accompanying drawings.

Referring to fig. 1-6, the utility model provides a safe extension socket, including the casing, this casing is the rectangle, circular jack 10 and USB socket on the casing upper surface, circular jack 10 is two at least and sets up along the length direction equidistance of casing, circular jack 10 is 4-6, inner wall circumference equipartition in circular jack has two constant head tanks, the length direction of this constant head tank is on a parallel with the axis of circular jack 10, set up two jack 100 that are used for holding the socket inserted bar in the bottom surface of circular jack, be equipped with first contact and second contact respectively at the bottom of jack, first contact is connected with the live wire, the second contact is connected with the zero line, the line of two jacks inclines in the length direction that safe extension socket was inserted, in this embodiment, the contained angle between the line of two brother jacks and the casing length direction is 45 degrees; the safety block is arranged in the shell, the lower end of each circular jack is provided with one safety block, the safety blocks are horizontally and slidably arranged in the shell, and the sliding direction of the safety blocks is parallel to the connecting line of the two jacks 100.

The head part of the shell is provided with a wire hole 120, the wire hole is used for installing a cable, the axis of the wire hole is parallel to the length direction of the shell, a first support plate and a second support plate are arranged in the shell, the first support plate and the second support plate are parallel to each other, the lower ends of the first support plate and the second support plate are vertical to the bottom surface of the shell, and the distance between the first support plate and the second support plate is more than or equal to 5mm and less than or equal to 15mm; the plane where the first support plate and the second support plate are located is parallel to the width direction of the shell, namely the axis of the wire hole 120 is perpendicular to the first support plate and the second support plate, the first support plate is located at the position close to the end part, namely the first support plate is located between the wire hole 120 and the second support plate, a first hole body is formed in the first support plate, the first hole body is coaxial with the wire hole 120 and used for installing a first hole body of a rubber ring, during assembly, a wire penetrates through the rubber ring, the rubber ring is sleeved in the first hole body, in order to avoid axial sliding of the rubber ring, an annular groove is formed in the outer wall of the rubber ring, and the first hole body is clamped in the annular groove; the second support plate is provided with a second hole body which is coaxial with the first hole body, the diameter of the second hole body is smaller than that of the first hole body, at least three pressing parts are uniformly distributed on the inner wall of the second hole body in the circumferential direction and used for pressing the cable so as to fix the cable; in the embodiment, the cross section of the pressing part is triangular, the end part of the pressing part is arc-shaped, the surface of the cable is prevented from being damaged, a pressing area is formed between the pressing parts (the end parts), the diameter of the pressing area is 88% -93% of the outer diameter of the cable, a good pressing effect can be achieved, and meanwhile the cable can be well protected; in order to improve the reliability of the pressing, in this embodiment, the second supporting plates are at least two and are arranged in parallel, and the distance between two adjacent second supporting plates is greater than or equal to 3mm and less than or equal to 8mm, preferably 5mm.

In order to facilitate assembly, the wire hole 120, the first hole body and the second hole body are formed by splicing two parts, specifically, the shell comprises an upper shell 1 and a lower shell 2, the upper shell 1 and the lower shell 2 are connected through a bolt (screw), a cavity is arranged in the lower shell, the upper end of the cavity is open, a first support plate I113 and a second support plate I112 are arranged at the lower end of the head part (the end provided with the wire hole) of the upper shell 1, the first support plate I113 and the second support plate I112 are parallel to each other, the lower end of the first support plate I112 is connected with the bottom surface of the cavity, the plane of the first support plate I is perpendicular to the axis of the wire hole, a first arc bayonet is arranged at the lower end of the first support plate I113, and a second arc bayonet is arranged at the lower end of the second support plate I112; the upper end of the head part (seting up line hole one end) of casing 2 is equipped with first mounting panel II 23 and second mounting panel II 22 down, first mounting panel II 23 and second mounting panel II 22 are parallel to each other, third arc bayonet socket has been seted up to the upper end at first mounting panel II, fourth arc bayonet socket has been seted up to the upper end at second mounting panel II, first mounting panel I113 and first mounting panel II 23 splice into complete first mounting panel, form first hole body between first arc bayonet socket and the third arc bayonet socket, second mounting panel I112 and second mounting panel II 22 splice into complete second mounting panel, form the second hole body between second arc bayonet socket and the fourth arc bayonet socket.

In order to improve the structural strength, the head part (located at one end of the wire hole) in the shell is provided with two support plates 21 which are perpendicular to the bottom surface of the shell, the two support plates are symmetrically arranged, a wire passing area is formed between the two support plates, the first support plate and the second support plate are arranged between the two support plates, the length of the first support plate and the length of the second support plate are reduced, the structural strength is improved, and meanwhile, the inner space of the shell is used for arranging other (connecting) components; in this embodiment, the supporting plates include two first supporting plates 21a and two second supporting plates 21c, the two first supporting plates are arranged in parallel, one end of each first supporting plate is perpendicular to the first supporting plate, the other end of each first supporting plate is connected with the side wall of the shell, the other end of each first supporting plate is connected with the second supporting plate 21c through a connecting plate 21b, the distance between the two second supporting plates 21c is smaller than the distance between the two first supporting plates, the two second supporting plates 21c are parallel to the first supporting plates, the first supporting plates are arranged between the first supporting plates, and the second supporting plates are arranged between the second supporting plates.

The edge of the lower shell is provided with a reinforcing rib, the lower end of the reinforcing rib is connected with the bottom surface of the lower shell, the upper end of the reinforcing rib is provided with a groove, and the groove extends to the side wall of the lower shell and is used for clamping the edge of the upper shell to realize quick assembly; the bottom surface of the lower shell is provided with at least four mounting columns 26, mounting holes are formed in the mounting columns, and meanwhile, the bottom surface of the lower shell is provided with a plurality of lower support columns 25 which are positioned right below connecting lines of jacks of the upper shell and used for supporting metal contact pieces; meanwhile, the lower end of the upper shell is provided with a plurality of upper supporting columns 13 which are positioned right below the connecting line of the jack, the bottom surface of the lower supporting column is provided with a clamping groove, and the axis of the clamping groove is parallel to the length direction of the shell and used for installing a strip-shaped metal contact piece.

The utility model discloses safe row inserts, sets up the portion of compressing tightly in the wire hole, can realize compressing tightly to the cable, need not to tie a knot with the cable, improves assembly efficiency, is convenient for the quick installation of thick cable; the support plate structure is arranged and integrally formed by injection molding, so that the forming is convenient, the cost is low, the structural strength of the shell can be increased, the shrinkage deformation during injection molding and cooling is avoided, and the quality of a finished product is stable and reliable; the multi-bracket plate structure increases the compression area, improves the fixing strength of the cable and further improves the structural strength; the design of the pressing part is optimized, the pressing force is high, and the cable can be prevented from being damaged; the supporting plate is arranged, so that the length of the supporting plate is reduced, the structural strength is improved, the service life is long, and the safety and the reliability are realized; the support plate adopts a split type splicing design, and is convenient and quick to process and assemble; the utility model discloses safe row inserts, compact structure, and is small, and space utilization is high, and cable convenient assembling and joint strength are high.

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 improvements and embellishments can be made without departing from the technical principle of the present invention, and these improvements and embellishments should also be regarded as the protection scope of the present invention.

Claims

1. A safety extension socket is characterized in that: the cable connector comprises a housin, the upper surface of casing is equipped with circular jack and USB socket, circular jack is two at least and follows the length direction equidistance of casing sets up, the head of casing is equipped with the line hole that is used for holding the cable and passes, be equipped with first mounting plate and the second mounting plate that is parallel to each other in the casing, first mounting plate with the second mounting plate perpendicular to the axis of line hole, first mounting plate is located the line hole with between the second mounting plate, set up on the first mounting plate with the coaxial first hole body that just is used for installing the rubber ring of line hole, set up on the second mounting plate with the coaxial second hole body of first hole body, the diameter of second hole body is less than the diameter of first hole body, and the inner wall circumference equipartition of second hole body has at least three portion that compresses tightly that is used for compressing tightly the cable.

2. The secure patch cord of claim 1, wherein: the cross section of the pressing part is triangular.

3. The secure patch cord of claim 1, wherein: the second bracket plates are at least two and are arranged in parallel.

4. The secure patch cord of claim 1, wherein: the shell comprises an upper shell and a lower shell which are connected through a bolt, a first support plate I and a second support plate I which are parallel to each other are arranged at the lower end of the head of the upper shell, a first arc-shaped bayonet is formed in the lower end of the first support plate I, and a second arc-shaped bayonet is formed in the lower end of the second support plate I; the head upper end of casing is equipped with first support plate II and second support plate II that are parallel to each other down, third arc bayonet socket has been seted up to the upper end of first support plate II, fourth arc bayonet socket has been seted up to the upper end of second support plate II, first arc bayonet socket with form between the third arc bayonet socket first hole body, second arc bayonet socket with form between the fourth arc bayonet socket the second hole body.

5. The secure patch cord of claim 1, wherein: the support plate is vertically arranged in the shell, the two support plates are symmetrically arranged, a threading area is formed between the two support plates, and the first support plate and the second support plate are arranged between the two support plates.

6. The secure patch cord of claim 1, wherein: the diameter of a compression area formed between the compression parts is 88% -93% of the outer diameter of the cable.

7. The secure patch cord of claim 1, wherein: the distance between the first support plate and the second support plate is greater than or equal to 5mm and less than or equal to 15mm.

8. The secure patch cord of claim 3, wherein: the distance between two adjacent second support plates is greater than or equal to 3mm and less than or equal to 8mm.