CN210692772U

CN210692772U - Connecting device for super-flexible low-voltage insulated wire for automobile

Info

Publication number: CN210692772U
Application number: CN201921477398.2U
Authority: CN
Inventors: 谢忠; 陈绍明; 林卫东
Original assignee: Guangdong Jianbao Cable Co ltd
Current assignee: Guangdong Jianbao Cable Co ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-06-05
Anticipated expiration: 2029-09-05

Abstract

The utility model discloses a connecting device of super flexible low voltage insulation electric wire for car, including cable body, cable end fixed knot structure, inclined plane nut, the fixed cover of cable, screw thread hook, non-slip raised, cable connection structure, double thread cover, end of a thread card box, line ball head, spring, pivot and buckle. The utility model has the advantages that: the utility model discloses can realize the fixed connection of flexible electric wire, the inclined plane helicitic texture through screw thread hook and inclined plane nut makes screw thread hook and the fixed cover junction of cable exert the pressure to the cable insulating layer, thereby closely fix cover and cable, because screw thread hook is the arc with the pressure department of insulating layer, the stress surface of insulating layer has been increased, thereby make the wearing and tearing speed of insulating layer slow down, play the effect at protection fixed position, the conduction effect of electric current is guaranteed to inside end of a thread card box simultaneously, and prevent that the wire from taking place to contact the fixed case and taking place the circumstances production of electric leakage in the use.

Description

Connecting device for super-flexible low-voltage insulated wire for automobile

Technical Field

The utility model relates to a connecting device specifically is a connecting device of super flexible low pressure insulated wire for car belongs to wire connection technical field.

Background

Cable connectors are extremely versatile and are key products to ensure the correctness and reliability of current transmission. In the assembly process of the cable connector, in order to ensure the product quality, a plurality of effective quality control measures are adopted in each link, and the procedures of selection, pretreatment, crimping or welding, detection and the like of the cable connector are strictly controlled. If the quality of the assembly is questionable, problems arise such as: the grounding wire is broken, the cable core wire and the core wire, the core wire and the shell of the electric connector are short-circuited, the contact couple of the electric connector is poor in contact or poor in termination and other fault phenomena, and the reliability of the whole product and the system is influenced seriously.

However, common electric wire connecting device is direct fixed through the extrusion of the fixed cover of annular metal usually, and this kind of fixed mode can cause the injury to the electric wire insulating skin at fixed part, and flexible electric wire's moving ability is stronger simultaneously, can further make fixed part insulating skin damage with higher speed, and the route is guaranteed through the mode of screwing up directly to the wire connection usually, and is comparatively troublesome when disassembling, extravagant wire simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a connecting device of super flexible low pressure insulated wire for car just lies in solving above-mentioned problem, easy to assemble, it is effectual to the fixed of flexible wire simultaneously to can guarantee the planarization of metal wire part, the convenient reconnection.

The utility model discloses a following technical scheme realizes above-mentioned mesh, a connecting device of super flexible low pressure insulated wire for car, including the cable body, the one end of cable body is connected with cable end fixed knot and constructs, cable end fixed knot constructs including inclined plane nut, the fixed cover of cable, screw thread hook and non-slip raised, the one end of cable body has been cup jointed the fixed cover of cable, the one end of the fixed cover of cable is equipped with six that the annular distributes the screw thread hook, the screw thread hook with the junction of the fixed cover of cable is equipped with the non-slip raised, the outside of inclined plane nut has been cup jointed the inclined plane nut, just the inclined plane nut with one side threaded connection of screw thread hook, the side of the fixed cover of cable still is connected with cable connection structure, cable connection structure includes two thread covers, end of a thread card box, line ball head, spring, Pivot and buckle, the both ends of double thread cover are cup jointed respectively in one the side of the fixed cover of cable and rather than threaded connection, the both ends difference fixedly connected with of double thread cover the spring, the other end of spring with the one end of inclined plane nut is inconsistent, the side of cable body has still been cup jointed the end of a thread card box, be equipped with on the inside wall of end of a thread card box the head of crimping, one side of end of a thread card box still is equipped with the pivot, the both ends of end of a thread card box are passed through the pivot is rotated and is connected, one side of end of a thread card box still is equipped with the buckle.

Preferably, in order to reduce friction generated between the wire and the connection part when the wire rotates as much as possible and damage the insulation layer while ensuring a good fixing effect on the wire, the cross section of the threaded hook is in a U-shaped structure, and one end of the threaded hook is in a bevel structure.

Preferably, in order to fix the nut by applying a certain pressure to the surface of the cable by the thread hook while screwing in the nut, the cross section of the inner thread portion of the inclined nut is in a circular truncated cone structure, and the slope of the inclined surface of the inner thread portion of the inclined nut is the same as the slope of the inclined surface of one end of the thread hook.

Preferably, in order to facilitate installation of the thread end blocking box, the thread end blocking box is of a cylindrical structure, and the diameter of the thread end blocking box is smaller than that of the outer side of the cable body.

Preferably, in order to make the fixed cover of cable on two fixed electric wires play the connection effect to make things convenient for double thread cover to pass through the screw thread installation, the inside wall of double thread cover is equipped with helicitic texture, the helicitic texture that the inboard of double thread cover was seted up divide into two parts that screw thread opposite direction, and length equals.

Preferably, in order to prevent the wires from being dispersed and ensure the conductivity of the wires when the wire pressing head applies pressure to the metal wires, one end of the wire pressing head is semicircular, and the positions of the wire pressing heads arranged at the two ends of the wire pressing head clamping box correspond to each other.

The utility model has the advantages that: when in use, the utility model can realize the fixed connection of the flexible electric wires, the connecting ends of the two electric wires are firstly fixed with the cable fixing sleeve by sleeving, which is different from the common mode of fixing the wire ends by directly clamping the metal fixing sleeve, the pressure on the cable insulating layer is applied to the joint of the threaded hook and the cable fixing sleeve through the inclined-plane threaded structure of the threaded hook and the inclined-plane nut, and the anti-skid protrusions are arranged at the joint, so that the fixing sleeve and the cable are tightly fixed, because the pressure part between the threaded hook and the insulating layer is arc-shaped, the stress surface of the insulating layer is increased, thereby slowing down the abrasion speed of the insulating layer and playing a role of protecting the fixed part, meanwhile, the wire end clamping box inside the wire end clamping box directly extrudes metal parts of the wire ends at two ends together through the wire ends under the condition that the wire ends are fixed, so that the conduction effect of current is ensured, and the condition that the wire contacts the fixed sleeve to generate electric leakage in the use process is prevented.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure between the cable end fixing structure and the cable connecting structure shown in FIG. 1;

fig. 3 is a schematic structural view of the cable connection structure shown in fig. 1.

In the figure: 1. the cable body, 2, cable end fixed knot construct, 21, inclined plane nut, 22, the fixed cover of cable, 23, screw thread hook, 24, non-slip raised, 3, cable connection structure, 31, two screw thread covers, 32, end of a thread card box, 33, head of a thread, 34, spring, 35, pivot, 36, buckle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a connecting device for an ultra-flexible low-voltage insulated wire for an automobile includes a cable body 1, one end of the cable body 1 is connected with a cable end fixing structure 2, the cable end fixing structure 2 includes an inclined nut 21, a cable fixing sleeve 22, a threaded hook 23 and an anti-slip protrusion 24, the cable fixing sleeve 22 is sleeved at one end of the cable body 1, six annular threaded hooks 23 are arranged at one end of the cable fixing sleeve 22, the anti-slip protrusion 24 is arranged at a connection portion of the threaded hooks 23 and the cable fixing sleeve 22, the inclined nut 21 is sleeved at the outer side of the inclined nut 21, the inclined nut 21 is in threaded connection with one side of the threaded hooks 23, the side of the cable fixing sleeve 22 is further connected with a cable connecting structure 3, the cable connecting structure 3 includes a double-threaded sleeve 31, and a double-threaded sleeve, End of a thread card box 32, pressure line head 33, spring 34, pivot 35 and buckle 36, the both ends of double thread cover 31 are cup jointed in one respectively the side of the fixed cover 22 of cable and rather than threaded connection, the both ends difference fixedly connected with of double thread cover 31 spring 34, the other end of spring 34 with the one end of inclined plane nut 21 is inconsistent, the side of cable body 1 has still been cup jointed end of a thread card box 32, be equipped with on the inside wall of end of a thread card box 32 pressure line head 33, one side of end of a thread card box 32 still is equipped with pivot 35, the both ends of end of a thread card box 32 are passed through pivot 35 rotates and connects, one side of end of an thread card box 32 still is equipped with buckle 36.

As a technical optimization scheme of the utility model, the cross-section of screw thread hook 23 is "U" shape structure, just the one end of screw thread hook 23 is the inclined plane structure.

As a technical optimization scheme of the utility model, the inboard threaded portion cross-section of inclined plane nut 21 is the round platform structure, just the slope on the inclined plane of the inboard threaded portion of inclined plane nut 21 with the inclined plane slope of the one end of screw thread hook 23 is the same.

As a technical optimization scheme of the utility model, end of a thread card box 32 is cylindrical structure, just end of a thread card box 32's diameter is less than the diameter in the outside of cable body 1.

As a technical optimization scheme of the utility model, double thread cover 31's inside wall is equipped with helicitic texture, the helicitic texture that double thread cover 31's inboard was seted up divide into two parts opposite in screw thread direction, and length equals.

As a technical optimization scheme of the utility model, the one end semicircular in shape of line ball head 33, just the both ends of line ball card box 32 set up the position of line ball head 33 corresponds mutually.

When the utility model is used, firstly, two cable fixing sleeves 22 with the inclined plane nut 21 are respectively sleeved into two cable ends, then the double thread sleeve 31 is sleeved into one end of the two cable fixing sleeves, then the insulating layer of the connecting end of two electric wires to be connected is evenly subtracted by one section with the same length, meanwhile, the length of the exposed metal conductive part is ensured to be slightly larger than that of the wire head clamping box 32, the metal conductive parts of the two electric wires are concentrated together and are placed in the groove of the wire pressing head 33 at one side in the wire head clamping box 32, after being placed in order, the other side of the wire head clamping box 32 is rotated through the rotating shaft 35 and is clamped through the buckle 36, then the inclined plane nut 21 arranged on the cable fixing sleeve 22 at one end of the cable is screwed, because of the effect of the inclined plane thread inside the inclined plane nut 21, the thread hook 23 is deformed by the extrusion force, the sleeved cable insulating layer is pressurized, the anti-skidding bump 24 that the junction of thread hook 23 and the fixed cover 22 of cable set up has further increased fixed effect, accomplish the fixed back of one end, pass through threaded fixation in the cable one end of installing with the one end of double thread cover 31, then fix the other end screw thread of the fixed cover 22 of another cable and double thread cover 31, because the inside double thread structure of double thread cover 31, make the thread fixing distance of the fixed cover 22 of two cables equal, increase stability, then another inclined plane nut 21 of screwing fixes another cable, the spring 34 of both sides can prevent that the nut from taking place to drop, because the arc structure of thread hook 23 side, can prolong connection structure's life, connect the completion back, inside end of a thread card box 32 then can prevent to take place the electric leakage, guarantee the connection effect.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a connecting device of super flexibility low pressure insulated wire for car, includes cable body (1), its characterized in that: the one end of cable body (1) is connected with cable end fixed knot structure (2), cable end fixed knot structure (2) are including inclined plane nut (21), the fixed cover of cable (22), screw thread hook (23) and non-slip raised (24), the one end of cable body (1) has been cup jointed the fixed cover of cable (22), the one end of the fixed cover of cable (22) is equipped with six that the annular distributes screw thread hook (23), screw thread hook (23) with the junction of the fixed cover of cable (22) is equipped with non-slip raised (24), the outside of inclined plane nut (21) has been cup jointed inclined plane nut (21), just inclined plane nut (21) with one side threaded connection of screw thread hook (23), the side of the fixed cover of cable (22) still is connected with cable connection structure (3), cable connection structure (3) include double thread cover (31), End of a thread card box (32), line ball (33), spring (34), pivot (35) and buckle (36), the both ends of double thread cover (31) are cup jointed in one respectively the side of the fixed cover of cable (22) and rather than threaded connection, the both ends difference fixedly connected with of double thread cover (31) spring (34), the other end of spring (34) with the one end of inclined plane nut (21) is inconsistent, the side of cable body (1) has still been cup jointed end of a thread card box (32), be equipped with on the inside wall of end of a thread card box (32) line ball (33), one side of end of a thread card box (32) still is equipped with pivot (35), the both ends of end of a thread card box (32) are passed through pivot (35) are rotated and are connected, one side of end of an end of a thread card box (32) still is equipped with buckle (36).

2. The connecting device of an ultra-flexible low-voltage insulated wire for an automobile according to claim 1, wherein: the cross section of the threaded hook (23) is in a U-shaped structure, and one end of the threaded hook (23) is in an inclined plane structure.

3. The connecting device of an ultra-flexible low-voltage insulated wire for an automobile according to claim 1, wherein: the cross section of the inner side thread part of the inclined surface nut (21) is of a circular truncated cone structure, and the slope of the inclined surface of the inner side thread part of the inclined surface nut (21) is the same as that of the inclined surface of one end of the thread hook (23).

4. The connecting device of an ultra-flexible low-voltage insulated wire for an automobile according to claim 1, wherein: the thread end clamping box (32) is of a cylindrical structure, and the diameter of the thread end clamping box (32) is smaller than that of the outer side of the cable body (1).

5. The connecting device of an ultra-flexible low-voltage insulated wire for an automobile according to claim 1, wherein: the inner side wall of the double-thread sleeve (31) is provided with a thread structure, the thread structure arranged on the inner side of the double-thread sleeve (31) is divided into two parts with opposite thread directions, and the two parts are equal in length.

6. The connecting device of an ultra-flexible low-voltage insulated wire for an automobile according to claim 1, wherein: one end of the thread pressing head (33) is semicircular, and the positions of the thread pressing heads (33) arranged at the two ends of the thread pressing head clamping box (32) are corresponding to each other.