CN210628627U

CN210628627U - D-SUB composite coaxial signal line

Info

Publication number: CN210628627U
Application number: CN201921676675.2U
Authority: CN
Inventors: 傅星泉
Original assignee: Zhenjiang Zhengfeng Electronic Co Ltd
Current assignee: Zhenjiang Zhengfeng Electronic Co Ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-05-26
Anticipated expiration: 2029-10-09

Abstract

The utility model relates to a signal line technical field, concretely relates to compound coaxial signal line of D-SUB, including plug, signal line subassembly, slip post, double-screw bolt, keep away empty groove, turning block, elastic component, the signal line subassembly includes outer lag, silvered wire, signal line, aluminium membrane. The utility model has the advantages that: support through the elastic component to the turning block, make the double-screw bolt accomodate in keeping away the dead slot, make plug and socket plug-in process, the double-screw bolt can not produce the interference with other parts of computer, thereby at least the efficiency of plug-in the socket has been improved to a certain extent, be equipped with the aluminium membrane on the outer lag in addition, the aluminium membrane can reduce the signal interference condition of signal line to a certain extent, set up the plastic cover, can consolidate signal line subassembly and plug connection end, improve the bending strength of signal line subassembly, make long-term when using, the signal line subassembly can not produce great bending deformation, the life of signal line subassembly is improved.

Description

D-SUB composite coaxial signal line

Technical Field

The utility model relates to a signal line technical field, concretely relates to compound coaxial signal line of D-SUB.

Background

D-SUB is commonly called VGA interface, is an analog signal interface, has different interface numbers according to the requirement, is commonly used for connecting a computer and an external display, and is widely applied to analog signal transmission of a switching power supply at present. The D-SUB interface is generally connected by a coaxial signal line, plugs are disposed at two ends of the coaxial signal line, and are connected with an external socket on the computer through the plugs, after the plugs are connected with the socket, in order to ensure fastening strength of the connection, two studs are generally disposed on the plugs, two screw holes for screwing the studs are disposed on the socket, and after the plugs are inserted into the socket, the plugs are stably connected with the socket through connection of the studs and the screw holes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the problem that exists among the prior art, provide a compound coaxial signal line of D-SUB, it can realize through under the natural state, the elastic component is to the support of turning block, makes the double-screw bolt accomodate keeping away the dead slot, makes plug and socket insert the in-process that closes, and the double-screw bolt can not produce with other parts of computer and interfere to at least certain degree has improved the plug and has inserted the efficiency of closing in the socket.

In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:

a D-SUB composite coaxial signal line comprises a plug and a signal line component, wherein the signal line component is arranged on the plug, one end face of the plug, which is back to the signal line component, is provided with an interface, the signal line component comprises an outer protective sleeve, eight silver-plated wires arranged in the outer protective sleeve and two signal lines arranged in the outer protective sleeve, a plurality of inserting columns in the interface are respectively and correspondingly and electrically connected with the silver-plated wires and the signal lines in the signal line component, an aluminum film is coaxially arranged in the outer protective sleeve and wraps the silver-plated wires and the signal lines, two sliding columns are arranged on the plug in a sliding and penetrating way, one end, which is adjacent to the interface, of each sliding column is coaxially and fixedly connected with a stud, a clearance groove for the stud to freely pass through is correspondingly arranged in the plug, the other end of each sliding column penetrates out of the plug and is fixedly connected with a rotating block, and an elastic piece is also arranged between each rotating, the elastic piece is used for abutting against the rotating block and driving the stud to move into the clearance groove.

Furthermore, the elastic piece is a spring, the spring is sleeved on the sliding column, two ends of the spring in the elastic direction respectively abut against the plug and the rotating block, and the corresponding plug is provided with a mounting groove for mounting the spring.

Furthermore, a limiting ring is further sleeved on the sliding column in a sliding fit mode, the end face of the limiting ring is in sliding contact with the rotating block, and one end, close to the rotating block, of the spring abuts against the limiting ring.

Furthermore, the rotating block is provided with a convex rib.

Furthermore, a plastic sleeve which is tightly sleeved on the outer protective sleeve is fixedly connected to the plug.

Furthermore, two opposite surfaces of the plug are respectively provided with a bulge and a ball head groove, and the bulge and the ball head groove respectively correspond to two sides of the interface in the width direction.

The utility model has the advantages that: the rotating block is propped by the elastic piece, the stud is accommodated in the clearance groove, the stud can not interfere with other parts of a computer in the process of inserting the plug and the socket, so that the efficiency of inserting the plug in the socket is improved to at least a certain extent, in addition, the outer protective sleeve is provided with the aluminum film, the aluminum film can reduce the signal interference condition of the signal wire to a certain extent, the plastic sleeve is arranged, the connecting end of the signal wire assembly and the plug can be reinforced, the bending strength of the signal wire assembly is improved, the signal wire assembly can not generate larger bending deformation in long-term use, so that the service life of the signal wire assembly is prolonged to at least a certain extent, the bulge and the ball head groove are arranged, and simultaneously, the bulge and the ball head groove respectively correspond to the two sides of the width direction of the interface, the marking effect is achieved, when the interface is inserted into the socket, a worker can clearly know, when the interface is repeatedly installed, the orientation of the interface does not need to be observed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the utility model in a practical state;

FIG. 2 is a schematic side view of the three-dimensional structure of FIG. 1;

FIG. 3 is a schematic bottom view of the three-dimensional structure of FIG. 1;

the reference numerals are explained below:

1-plug, 2-interface, 3-outer protective sleeve, 4-silver plating wire, 5-signal wire, 6-aluminum film, 7-sliding column, 8-stud, 9-clearance groove, 10-rotating block, 11-spring, 12-mounting groove, 13-limiting ring, 14-rib, 15-plastic sleeve, 16-bulge and 17-bulb groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

A D-SUB composite coaxial signal line as shown in fig. 1-3, comprising a plug 1 and a signal line assembly, wherein the signal line assembly is disposed on the plug 1, an end surface of the plug 1 opposite to the signal line assembly is provided with an interface 2, the signal line assembly comprises an outer protective sleeve 3, eight silver-plated wires 4 disposed in the outer protective sleeve 3, and two signal lines 5 disposed in the outer protective sleeve 3, the plug 1 is fixedly connected with a plastic sleeve 15 tightly fitted on the outer protective sleeve 3, the plastic sleeve 15 can be integrally formed with the plug 1, the plastic sleeve 15 has a certain effect of improving the bending strength of the signal line assembly, especially the connection between the signal line assembly and the plug 1 has a certain stress concentration, when an external force acts on the signal line assembly by bending deformation, if there is no protection of the plastic sleeve 15, one end of the connection between the plug 1 and the signal line assembly is easily damaged by the stress concentration, in the general knowledge, when the plug 1 is connected with the socket, the orientation of the interface 2 is often required to be observed, that is, whether the two sides in the width direction of the interface 2 are butted with the socket or not, if the two sides in the width direction of the interface 2 are not matched, the plug cannot be plugged, and the operation is required again, so that when the plug 1 is repeatedly plugged, a worker can sense the protrusion 16 and the ball head groove 17 when taking the plug 1, that is, the orientation of the interface 2 can be clear, particularly under the condition that a worker cannot directly view the socket, when the worker repeatedly operates for the second time or even later (when the plug and the socket are matched and inserted for the first time, the orientation of the interface 2 may need to be observed), the orientation of the interface 2 does not need to be observed repeatedly, the repeated operation efficiency of the worker is improved to a certain extent, an aluminum film 6 is coaxially arranged in the outer protective sleeve 3, the aluminum film 6 is wrapped outside a silver-plated wire 4 and a signal wire 5, two sliding columns 7 are arranged on the plug 1 in a sliding and matching way, a stud 8 is coaxially and fixedly connected to one end, adjacent to the interface 2, of each sliding column 7, a clearance groove 9 for the stud 8 to pass through freely is correspondingly arranged in the plug 1, the other end of each sliding column 7 penetrates through the plug 1 and is fixedly connected with a rotating block 10, and a spring 11 is further arranged between each rotating block 10, the spring 11 is sleeved on the sliding column 7, two ends of the spring in the elastic direction respectively abut against the plug 1 and the rotating block 10, a mounting groove 12 for mounting the spring 11 is arranged on the corresponding plug 1, the spring 11 is used for abutting against the rotating block 10 and driving the stud 8 to move into the clearance groove 9, furthermore, a limiting ring 13 is further sleeved on the sliding column 7 in a sliding manner, the end face of the limiting ring 13 is in sliding contact with the rotating block 10, one end, adjacent to the rotating block 10, of the spring 11 abuts against the limiting ring 13, the spring 11 and the rotating block 10 have acting force, so that the rotating block 10 may generate blocking feeling in the rotating process, the rotating block 10 is enabled not to generate resistance on the rotating block 10 by the sliding contact of the limiting ring 13 and the rotating block 10, the rotating block 10 is further enabled not to generate blocking feeling, and in order to facilitate the rotation of the rotating block 10, a plurality of convex edges 14 are arranged on the rotating block 10, the ribs 14 are disposed on the circumferential surface of the rotary block 10 and are arranged in an array along the axial direction of the rotary block 10, and for convenience of illustrating the internal structure of the signal line assembly, the plug disposed at the other end of the signal line assembly is not shown in the drawings of the specification.

The utility model discloses when using: when inserting the plug and the socket, at first insert the interface in the socket of external computer equipment, because the support of spring, the double-screw bolt is accomodate in keeping away the dead slot, the interface inserts the back in place, staff's hand presses the turning block, make the double-screw bolt contact the screw on the socket, then rotate the turning block, because spacing ring and turning block sliding contact, consequently, when the turning block rotates, the spring can not produce and follow the commentaries on classics, the turning block is at the rotation in-process, the double-screw bolt will close with the screw thread soon, close when in place soon, with the plug firm connection on the socket, two turning blocks are synchronous rotations best, can reduce the circumstances of plug slope like this.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A D-SUB composite coaxial signal line comprises a plug (1) and a signal line assembly, wherein the signal line assembly is arranged on the plug (1), an interface (2) is arranged on one end face of the plug (1) opposite to the signal line assembly, the signal line assembly comprises an outer protective sleeve (3), eight silver-plated wires (4) arranged in the outer protective sleeve (3) and two signal lines (5) arranged in the outer protective sleeve (3), a plurality of plug posts in the interface (2) are respectively and electrically connected with the silver-plated wires (4) and the signal lines (5) in the signal line assembly correspondingly, the D-SUB composite coaxial signal line is characterized in that an aluminum film (6) is coaxially arranged in the outer protective sleeve (3), the aluminum film (6) is wrapped outside the silver-plated wires (4) and the signal lines (5), two sliding posts (7) are slidably arranged on the plug (1), and a stud (8) is coaxially fixedly connected to one end, adjacent to the interface (2), of the sliding post (7), the plug is characterized in that a clearance groove (9) which is used for the stud (8) to pass through freely is formed in the plug (1), the other end of the sliding column (7) penetrates out of the plug (1) and is fixedly connected with a rotating block (10), an elastic piece is further arranged between the rotating block (10) and the plug (1), and the elastic piece is used for abutting against the rotating block (10) to drive the stud (8) to move into the clearance groove (9).

2. The D-SUB composite coaxial signal line of claim 1, characterized in that the elastic member is a spring (11), the spring (11) is sleeved on the sliding column (7), two ends of the spring in the elastic direction respectively abut against the plug (1) and the rotating block (10), and the corresponding plug (1) is provided with an installation groove (12) for installing the spring (11).

3. A D-SUB composite coaxial signal line according to claim 2, wherein the sliding column (7) is further slidably fitted with a limiting ring (13), an end surface of the limiting ring (13) is in sliding contact with the rotating block (10), and one end of the spring (11) adjacent to the rotating block (10) abuts against the limiting ring (13).

4. A D-SUB composite coaxial signal line as claimed in claim 1, wherein said rotary block (10) is provided with a rib (14).

5. A D-SUB composite coaxial signal line according to claim 1, wherein the plug (1) is fixed with a plastic sleeve (15) tightly fitted over the outer protective sleeve (3).

6. A D-SUB composite coaxial signal line according to claim 1, wherein the opposite surfaces of the plug (1) are respectively provided with a protrusion (16) and a ball head groove (17), and the protrusion (16) and the ball head groove (17) respectively correspond to the two sides of the interface (2) in the width direction.