Stretch-proof medical wire harness

Abstract

The utility model discloses a stretch-proof medical wire harness, which belongs to the technical field of medical instrument manufacture, and comprises a protective tube, the inner wall of the protective tube is fixedly connected with a first protective tube, the inner wall of the first protective tube is provided with a second protective tube, the inner wall of the second protective tube is fixedly connected with a mounting tube, and the mounting tube is provided with a plurality of holes. According to the utility model, the first protection tube wound with the spiral metal wire and the second protection tube of the twill-woven structure are installed in the protection tube, when the wire harness is stretched, the first protection tube and the second protection tube are wound with the spiral metal wire, and the two insulation tubes are installed in the installation tube, and wire cores are installed in the two insulation tubes. The spiral metal wires can effectively bear a part of tensile force, so that damage caused by overlarge local stress is avoided, the twill weaving structure enables the second protection pipe to effectively disperse stress when the second protection pipe bears tensile force, and the yarn can freely slide and be rearranged in the tensile process, so that the second protection pipe can better adapt to the tensile force.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument manufacturing technical field, in particular to a kind of medical harness of tensile resistance. BACKGROUND

[0002] In modern medical field, the rapid development of technology is profoundly changing the diagnosis, treatment and monitoring mode of disease, from complex precision surgical equipment to portable household medical monitoring instrument, various medical electrical equipment has become the indispensable component of medical service, and behind these equipment, medical harness as the key component of connecting different components, transmitting power and signal, its importance is self-evident, especially tensile resistance, is one of the core technical indexes to meet the needs of complex medical scene.

[0003] Traditional harness is mainly made of ordinary plastic and metal material, its mechanical property is limited and can only meet the role of wrapping internal core, in complex medical scene and when the use frequency of harness is too much and under long-term or larger external force, fatigue fracture, insulation layer damage and other problems are prone to occur, this kind of harness will lose the protection cable and the role of connection, need to be replaced in time, avoid because the fracture of harness leads to internal cable damage, influence relevant medical equipment operation.

[0004] Therefore, it is urgent to provide a kind of medical harness of tensile resistance to solve the above problems. UTILITY MODEL CONTENT

[0005] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art, and provide a kind of medical harness of tensile resistance.

[0006] To solve the above technical problems, one technical scheme of the utility model is to provide a kind of medical harness of tensile resistance, including protective tube, the inner wall of the protective tube is fixedly connected with first protection tube, the inner wall of the first protection tube is installed with second protection tube, the inner wall of the second protection tube is fixedly connected with installation pipe, the inside of the installation pipe is installed with two insulation pipes, the inside of two insulation pipes is installed with core;

[0007] The both ends of the protective tube are fixedly connected with protection connecting pipe, the outer end of two protection connecting pipes is fixedly connected with fixed pipe, the outer end of two fixed pipes is fixedly connected with terminal.

[0008] The utility model is further provided as: the protective tube adopts double-layer structure that inner layer is sealing protective layer and outer layer is wear-resistant layer.

[0009] Through the technical scheme, the sealing protective layer of the inner layer can effectively prevent liquid and gas from entering the inside of the wire harness, the sealing protective layer ensures that the electrical elements and wires inside the wire harness are in a relatively stable and dry environment, prolongs the service life of the wires, guarantees the electrical performance and safety of the wire harness, and the wear-resistant layer can prevent the wire harness from being damaged due to frequent friction, thereby improving the overall service life of the wire harness.

[0010] The utility model further sets up: the outer wall of first protection pipe is wound with spiral metal wire, and keeps certain interval between adjacent metal wires.

[0011] Through the technical scheme, when the medical wire harness is subjected to a tensile force, the spiral metal wire can effectively bear part of the tensile force, and since the metal wire is spirally wound, it can disperse the tensile force to the entire metal wire structure along the direction of the spiral line, and this dispersion mode makes the tensile force not concentrated in a certain point or area, thereby avoiding damage caused by excessive local stress.

[0012] The utility model further sets up: the second protection pipe is overall in twill weave structure, and the second protection pipe material selects high-strength fiber material.

[0013] Through the technical scheme, the twill weave structure makes the second protection pipe effectively disperse stress when subjected to a tensile force, and the yarn interlacing points of the twill weave are relatively few, so that the yarn can slide and rearrange more freely during the stretching process, thereby better adapting to the tensile force.

[0014] The utility model further sets up: the wire core adopts a stranded wire structure composed of multiple thin copper wires.

[0015] Through the technical scheme, the stranded wire structure composed of multiple thin copper wires can effectively disperse tensile stress, and when the wire harness is subjected to a tensile force, the multiple thin copper wires can slide and redistribute stress relative to each other, and compared with a single wire core, this structure makes each thin copper wire bear a smaller tensile force, thereby improving the overall tensile resistance of the wire core.

[0016] The utility model further sets up: the protection connecting pipe is overall in a corrugated structure and is sleeved in the inner wall of the protection pipe at one end.

[0017] Through the technical scheme, the corrugated structure makes the protection connecting pipe have good elasticity, and when the wire harness is subjected to a tensile force, the corrugations can be elongated to absorb and buffer the tensile force, and the protection connecting pipe can effectively prevent the connection part from being damaged due to sudden tensile force.

[0018] The utility model further sets up: the terminal is connected with the two wire cores corresponding to each other.

[0019] Through the technical scheme, when the terminal is connected with the two wire cores, a double-path signal transmission channel is established, if one of the wire cores fails, such as being interfered by electromagnetic waves, being partially damaged or the like, the signal transmission is blocked, the other wire core can still continue to transmit the signal, the stability of the signal transmission is greatly improved, and the risk of signal interruption is reduced.

[0020] The utility model discloses the beneficial effect is as follows:

[0021] 1. The utility model discloses a first protection pipe and twill weave structure second protection pipe are installed in the protection pipe inside and are twisted with spiral metal wire, when the wiring harness is stretched, the spiral metal wire can effectively bear a part of the tension, because the metal wire is spiral winding, it can along the spiral line's direction disperse the tension to the whole metal wire structure, this dispersion mode makes the tension not concentrate in a point or area, thereby avoid the damage caused by partial stress too big, twill weave structure also can effectively disperse the stress when the second protection pipe bears the tension, and the yarn can more freely slide and rearrange in the stretching process, thereby better adapt to the tension.

[0022] 2. The utility model discloses a protection pipe of double -deck structure, and the sealed protection layer ensures that the electrical element and the wire inside the wiring harness are in a relatively stable, dry environment, prolongs the service life of wire, guarantees the electrical performance and safety of wiring harness, and the wear -resisting layer can prevent the wiring harness from being damaged due to frequent friction, thereby improving the overall service life of the wiring harness. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the top view of the utility model;

[0024] Figure 2 It is the internal structure schematic view of the protection pipe of the utility model;

[0025] Figure 3 It is the protection pipe transverse section of the utility model;

[0026] Figure 4 It is the first protection pipe and second protection pipe structure schematic view of the utility model.

[0027] In the drawing: 1, protection pipe;2, first protection pipe;3, second protection pipe;4, installation pipe;5, insulating pipe;6, wire core;7, protection connecting pipe;8, fixed pipe;9, terminal. DETAILED DESCRIPTION

[0028] The preferred embodiments of the utility model are described in detail below in combination with the drawings, so that the advantages and characteristics of the utility model can be more easily understood by the person skilled in the art, and the protection scope of the utility model is more clearly and explicitly defined.

[0029] Please refer to Figure 1 - Figure 4 A kind of stretchable medical harness, including protective tube 1, protective tube 1 adopts the double-layer structure of inner layer as sealing protective layer, outer layer as wear-resistant layer, the sealing protective layer of inner layer can effectively prevent liquid and gas from entering the harness interior, and sealing protective layer ensures that electrical components and wires inside the harness are in a relatively stable, dry environment, prolong the service life of wire, ensure the electrical performance and safety of harness, wear-resistant layer can prevent the harness from being damaged due to frequent friction, thereby improving the overall service life of harness, the inner wall of protective tube 1 is fixedly connected with first protective tube 2, the outer wall of first protective tube 2 is wound with spiral metal wire, and a certain spacing is maintained between adjacent metal wires, when the medical harness is subjected to tensile force, the spiral metal wire can effectively bear a part of the tension, since the metal wire is spirally wound, it can disperse the tension to the entire metal wire structure along the direction of spiral line, this dispersion mode makes the tension not concentrated in a certain point or area, thereby avoiding damage caused by excessive local stress, the inner wall of first protective tube 2 is provided with second protective tube 3, second protective tube 3 is overall in twill weave structure, and second protective tube 3 is made of high-strength fiber material, the twill weave structure makes second protective tube 3 effectively disperse stress when subjected to tensile force, the yarn interlacing point of twill weave is relatively less, and the yarn can slide and rearrange more freely during stretching, thereby better adapting to tension, the inner wall of second protective tube 3 is fixedly connected with mounting tube 4, two insulating tubes 5 are installed in the inside of mounting tube 4, and wire core 6 is installed in the inside of two insulating tubes 5, wire core 6 adopts stranded wire structure twisted by multiple thin copper wires, the stranded wire structure twisted by multiple thin copper wires can effectively disperse tensile stress, when the harness is subjected to tensile force, each thin copper wire can slide and redistribute stress, compared with single wire core 6, this structure makes each copper wire bear smaller tension, thereby improving the overall tensile strength of wire core 6.

[0030] As Figure 1 and Figure 2As shown, the protective pipe 1 is fixedly connected with a protection connecting pipe 7 at both ends, the protection connecting pipe 7 is in a whole corrugated sleeve connection in the inner wall of one end of the protective pipe 1, the corrugated structure makes the protection connecting pipe 7 have good elasticity, when the wire harness is subjected to tensile force, the corrugation can be elongated to absorb and buffer the tensile force, the protection connecting pipe 7 can effectively prevent the connection part from being damaged due to sudden tension, the outer ends of the two protection connecting pipes 7 are fixedly connected with a fixed pipe 8, the outer ends of the two fixed pipes 8 are fixedly connected with a terminal 9, the terminal 9 is connected with the corresponding two wire cores 6, when the terminal 9 is connected with the two wire cores 6, a double-way signal transmission channel is established, if one of the wire cores 6 fails, such as electromagnetic interference, local damage and the like, leading to signal transmission obstruction, the other wire core 6 can still continue to transmit signals, thereby greatly improving the stability of signal transmission and reducing the risk of signal interruption.

[0031] In use, the medical personnel connects the machine needing to be connected through the terminal 9 of the medical wire harness, when the connection part is subjected to stretching at different angles, the corrugation on the corrugated protection connecting pipe 7 can be elongated to absorb and buffer the tensile force, the protection connecting pipe 7 can effectively prevent the connection part from being damaged due to sudden tension, when the wire harness is subjected to stretching, the first protection pipe 2 and the second protection pipe 3 inside the protective pipe 1 start to jointly act, the spiral metal wire can effectively bear part of the tension, since the metal wire is spirally wound, the tension can be dispersed to the whole metal wire structure along the spiral direction, avoiding local stress too large to cause damage of the wire harness, the twill weave structure makes the second protection pipe 3 effectively disperse stress when subjected to tensile force, the yarn interlacing points of the twill weave are relatively less, the yarn can more freely slide and rearrange in the stretching process, thereby better adapting to the tension, making the wire harness better resist stretching and ensuring the service life of the wire harness.

[0032] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion using the utility model specification and drawing contents, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A stretch-resistant medical cord bundle comprising a protective tube (1), characterized in that: The inner wall of the protection pipe (1) is fixedly connected with a first protection pipe (2), the inner wall of the first protection pipe (2) is mounted with a second protection pipe (3), the inner wall of the second protection pipe (3) is fixedly connected with a mounting pipe (4), the inside of the mounting pipe (4) is mounted with two insulation pipes (5), and the inside of each of the two insulation pipes (5) is mounted with a wire core (6). Both ends of the protection pipe (1) are fixedly connected with protection connecting pipes (7), the outer ends of the two protection connecting pipes (7) are fixedly connected with fixed pipes (8), and the outer ends of the two fixed pipes (8) are fixedly connected with terminals (9).

2. A stretch resistant medical cord according to claim 1, characterized in that: The protection pipe (1) adopts a double-layer structure with a sealing protection layer as an inner layer and a wear-resistant layer as an outer layer.

3. The stretch resistant medical tether of claim 1, wherein: The outer wall of the first protection pipe (2) is wound with spiral metal wires, and a certain spacing is kept between adjacent metal wires.

4. The stretch resistant medical tether of claim 1, wherein: The second protection pipe (3) has a whole twill woven structure, and the material of the second protection pipe (3) is selected from high-strength fiber materials.

5. The stretch resistant medical tether of claim 1, wherein: The wire core (6) adopts a stranded wire structure formed by twisting multiple thin copper wires.

6. The stretch resistant medical tether of claim 1, wherein: The protection connecting pipe (7) is in a whole corrugated shape and is sleeved on the inner wall of one end of the protection pipe (1).

7. The stretch resistant medical tether of claim 1, wherein: The terminal (9) is connected with the two wire cores (6) corresponding thereto.

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