CN219457172U

CN219457172U - Flexible cable with firm connection position

Info

Publication number: CN219457172U
Application number: CN202320553630.6U
Authority: CN
Inventors: 王铭; 张弛; 徐青松
Original assignee: Suzhou Tangde Metal Technology Co ltd
Current assignee: Suzhou Tangde Metal Technology Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-08-01
Anticipated expiration: 2033-03-21

Abstract

The utility model provides a flexible cable that hookup location is firm, includes input, output and both ends connecting wire of connecting input and output respectively, connecting wire is the input hookup location with the link of input, connecting wire is the output hookup location with the link of output, characteristics are: the connecting lead consists of a plurality of wire cores, the outer parts of the wire cores are wrapped by rubber layers, the inner parts of the wire cores in the input end connecting position and/or the output end connecting position are wrapped by multi-head fatigue-resistant spring tubes, and the inner parts of the multi-head fatigue-resistant spring tubes are wrapped by central wires. The advantages are that: the defects that the joint of the flexible cable in the existing market is easy to break, pull off and the like are effectively avoided, the service life of the flexible cable is prolonged, and the product is fine and durable.

Description

Flexible cable with firm connection position

Technical Field

The utility model belongs to the technical field of flexible cables, and particularly relates to a flexible cable with firm connection positions.

Background

The flexible cable is mainly used for connecting two devices to achieve the purposes of data transmission, communication and torque transmission, and the flexible cables on the market are very many, such as mobile phone flexible cables, charging connecting wires and the like. However, in the frequent insertion and extraction and bending storage processes, the insertion and extraction positions and the bending positions are easy to be damaged, and the device cannot be used. Especially, the metal wires at the connection positions of the connecting wires of the flexible cable and the input end and the output end are exposed easily, so that the data transmission is affected, the data transmission is easier to break, and potential safety hazards of electric leakage and electric shock exist.

In order to achieve the purposes of bending resistance, prolonging the service life and improving the safety, various solutions are adopted in the market, such as an internal mold structure of a flexible cable disclosed in Chinese patent and application publication No. CN206864821U, and a flexible HDMI flexible cable resistant to bending disclosed in Chinese patent and application publication No. CN214280387U, wherein the flexible cables are all provided with protective sleeves on the outer sides of the wires, and a plurality of protective measures are added on the outer sides of the joints, but the effect is poor, the whole structure is complicated, the simplicity is not enough, the appearance is influenced, and the use ratio of the flexible cable is higher and higher along with the diversification of electronic products, so that the performance requirements of users on the flexible cable are increased.

In view of the above-described prior art, there is a need for a reasonable improvement in the structure of existing flexible cables. To this end, the applicant has made an advantageous design, and the technical solutions described below are produced in this context.

Disclosure of Invention

The utility model aims to provide a flexible cable with firm connection positions, which can effectively avoid the defects of easy breakage, pull-off and the like of the connection positions of the flexible cable in the existing market, prolongs the service life of the flexible cable, and realizes the fine and durable products.

The utility model accomplishes the task like this, a flexible cable that the connection position is firm, including input end, output end and both ends connect the connecting wire of input end and output end respectively, connecting wire and the connecting end of input end are the input end connection position, connecting wire and the connecting end of output end are the output end connection position, the characteristics are: the connecting lead consists of a plurality of wire cores, the outer parts of the wire cores are wrapped by rubber layers, the inner parts of the wire cores in the input end connecting position and/or the output end connecting position are wrapped by multi-head fatigue-resistant spring tubes, and the inner parts of the multi-head fatigue-resistant spring tubes are wrapped by central wires.

In a specific embodiment of the utility model, the center wire is made of nickel-titanium alloy or fatigue-resistant steel wire.

In another specific embodiment of the present utility model, the multi-headed fatigue-resistant spring tube extends out of the input end connection location and/or the output end connection location and into the input end and/or the output end.

In yet another specific embodiment of the present utility model, the length of the multi-headed fatigue-resistant spring tube extending beyond the input end connection site and/or the output end connection site is 10-50 mm.

In a further specific embodiment of the utility model, the multi-head fatigue-resistant spring tube is formed by winding a multi-head thin stainless steel wire in a single layer.

In a further specific embodiment of the present utility model, 3 to 24 heads of the multi-head fine stainless steel wire are adopted.

In a further specific embodiment of the present utility model, the multi-headed fatigue resistant spring tube is in a left-handed or right-handed coiled configuration.

In a further embodiment of the utility model, the multi-headed fatigue resistant spring tube is formed by tight rolling or gap rolling.

In yet another specific embodiment of the present utility model, the multi-headed fatigue resistant spring tube has a diameter of 0.08 to 0.8mm.

In a still further embodiment of the present utility model, there are 1 to 24 cores inside the connecting wire.

The utility model has the beneficial effects that due to the adoption of the structure, the utility model has the following advantages: the flexible cable provided by the utility model can be used in the use environments of frequent stress, frequent bending or twisting and the like, the inside of a plurality of wire cores in the input end connecting position and/or the output end connecting position is wrapped with the multi-head fatigue-resistant spring tube, the inside of the multi-head fatigue-resistant spring tube is wrapped with the central wire, and the multi-head fatigue-resistant spring tube has good flexibility and strong fatigue resistance and bending resistance, so that the service life of the flexible cable is prolonged, and the defects that the connecting part of the flexible cable in the existing market is easy to break, pull off and the like are effectively avoided; and the second center wire adopts nickel-titanium alloy or fatigue-resistant steel wires, so that the tensile property of the joint of the flexible cable is further enhanced, meanwhile, the diameter of the center wire is very thin, the structure is simple, the service life of the flexible cable is prolonged, the appearance is not influenced, and the product is fine and durable.

Drawings

Fig. 1 is a schematic view of a flexible cable according to the present utility model.

Fig. 2 is a schematic cross-sectional view of a connecting wire of the flexible cable according to the present utility model.

FIG. 3 is a schematic cross-sectional view of a multi-headed fatigue resistant spring tube for flexible cables according to the present utility model.

Fig. 4 is a perspective view of a multi-headed fatigue resistant spring tube of the flexible cable of the present utility model.

In the figure: 1. an input end; 2. an output end; 3. connecting wires, a wire core, a multi-head fatigue-resistant spring tube, a central wire, a rubber layer and a connecting wire, wherein the wire core is 31, the multi-head fatigue-resistant spring tube is 32, the central wire is 321, and the rubber layer is 33; 3-1, input end connection position, 3-2, output end connection position.

Detailed Description

The following detailed description of specific embodiments of the utility model, while given in connection with the accompanying drawings, is not intended to limit the scope of the utility model, and any changes that may be made in the form of the inventive concepts described herein, without departing from the spirit and scope of the utility model.

In the following description, any reference to the directions or azimuths of up, down, left, right, front and rear is based on the positions shown in the corresponding drawings, and therefore, should not be construed as a limitation on the technical solutions provided by the present utility model.

Referring to fig. 1 to 4, the utility model relates to a flexible cable with firm connection positions, which comprises an input end 1, an output end 2 and a connecting wire 3 with two ends respectively connected with the input end 1 and the output end 2, wherein the connecting end part of the connecting wire 3 and the input end 1 is an input end connection position 3-1, the connecting end part of the connecting wire 3 and the output end 2 is an output end connection position 3-2, the connecting wire 3 consists of a plurality of wire cores 31, the outer parts of the plurality of wire cores 31 are wrapped by rubber layers 33, a multi-head fatigue-resistant spring tube 32 is wrapped in the inner parts of the plurality of wire cores 31 in the input end connection position 3-1 and the output end connection position 3-2, and a central wire 321 is wrapped in the multi-head fatigue-resistant spring tube 32. The central wire 321 is made of nickel-titanium alloy or fatigue-resistant steel wire. The number of the wire cores 31 in the connecting wire 3 is 1-24.

As shown in fig. 1, in this embodiment, the multi-head fatigue-resistant spring tubes 32 at two ends of the flexible cable extend out of the input end connecting position 3-1 and the output end connecting position 3-2 respectively and are inserted into the input end 1 and the output end 2, and in this embodiment, the lengths of the multi-head fatigue-resistant spring tubes 32 extending out of the input end connecting position 3-1 and the output end connecting position 3-2 are 10-50 mm, so that breakage of the input end connecting position 3-1 and the output end connecting position 3-2 due to long-time bending or twisting can be effectively avoided. In this embodiment, the inside of the input end connecting position 3-1 and the inside of the output end connecting position 3-2 are wrapped with the multi-head fatigue-resistant spring tube 32, and of course, it is within the scope of the utility model that only one connecting position wraps the multi-head fatigue-resistant spring tube 32.

As shown in fig. 3 and 4, the multi-head fatigue-resistant spring tube 32 is formed by winding a multi-head thin stainless steel wire in a single layer, and the multi-head thin stainless steel wire is 3-24 heads. In addition, the multi-head fatigue-resistant spring tube 32 adopts a left-handed or right-handed winding structure, and further, the multi-head fatigue-resistant spring tube 32 adopts close-fitting winding or gap winding. The outer parts of the plurality of wire cores 31 are wrapped with the rubber layer 33 by adopting a plastic coating process.

The multi-head fatigue-resistant spring tube 32 has the advantages of good flexibility, fatigue resistance and bending resistance, although the diameter is only 0.08-0.8 mm, so that the multi-head fatigue-resistant spring tube is built in the multiple wire cores 31, and the bending and drawing fatigue life of the joint of the flexible cable can be effectively prolonged.

Claims

1. The utility model provides a flexible cable that hookup position is firm, includes input (1), output (2) and both ends connecting wire (3) of connecting input (1) and output (2) respectively, connecting wire (3) are input junction (3-1) with the link of input (1), connecting wire (3) are output junction (3-2) with the link of output (2), its characterized in that: the connecting lead (3) is composed of a plurality of wire cores (31), the outer parts of the wire cores (31) are wrapped by rubber layers (33), the inner parts of the wire cores (31) in the input end connecting position (3-1) and/or the output end connecting position (3-2) are wrapped by multi-head fatigue-resistant spring tubes (32), and the inner parts of the multi-head fatigue-resistant spring tubes (32) are wrapped by central wires (321).

2. A flexible cable with a secure connection location according to claim 1, wherein: the central wire (321) is made of nickel-titanium alloy or fatigue-resistant steel wire.

3. A flexible cable with a secure connection location according to claim 1, wherein: the multi-head fatigue-resistant spring tube (32) extends out of the input end connecting position (3-1) and/or the output end connecting position (3-2) and stretches into the input end (1) and/or the output end (2).

4. A flexible cable with a secure connection location according to claim 3, wherein: the length of the multi-head fatigue-resistant spring tube (32) extending out of the input end connecting position (3-1) and/or the output end connecting position (3-2) is 10-50 mm.

5. A flexible cable with a secure connection location according to claim 1, wherein: the multi-head fatigue-resistant spring tube (32) is formed by winding a multi-head thin stainless steel wire in a single layer.

6. The flexible cable with a firm connection as defined in claim 5, wherein: the multi-head fine stainless steel wire adopts 3 to 24 heads.

7. The flexible cable with a firm connection as defined in claim 5, wherein: the multi-head fatigue-resistant spring tube (32) adopts a left-handed or right-handed winding structure.

8. The flexible cable with a firm connection as defined in claim 5, wherein: the multi-head fatigue-resistant spring tube (32) is wound by close-fitting or gap winding.

9. A flexible cable with a secure connection location according to claim 1, wherein: the diameter of the multi-head fatigue-resistant spring tube (32) is 0.08-0.8 mm.

10. A flexible cable with a secure connection location according to claim 1, wherein: the number of the wire cores (31) in the connecting wires (3) is 1-24.