Stretch-resistant waterproof connecting line

Abstract

The utility model discloses a stretch-proof waterproof connecting line, which comprises a plug shell and a connecting line connected to one end of the plug shell, a first sealing ring with a U-shaped cross section is fixedly connected to an opening of the plug shell, and a second sealing ring is fixedly connected to one side, close to the opening, inside the plug shell. The side, close to the opening, of the second sealing ring is provided with a first inclined plane portion, the side, away from the plug shell, of the first sealing ring is evenly provided with a plurality of trapezoidal protrusions, and the trapezoidal protrusions are of a multi-layer structure from the interior of the plug shell to the outer side of the plug shell. Through the above structure, the first sealing ring and the second sealing ring are arranged, the joint of the plug shell and the butt joint equipment can be well sealed, moisture invasion can be effectively prevented, the waterproof performance of the waterproof connecting line is improved, the practicability is high, and through the arrangement of the positioning assembly, the stability of connection between the connector shell and the butt joint equipment can be improved, and the service life of the waterproof connecting line is prolonged. Loosening caused by stretching is reduced, and a good sealing effect can be guaranteed conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of connecting line, especially relates to a waterproof connecting line of tensile resistance. BACKGROUND

[0002] In the use process, if facing the problems of stretching and water intrusion, it may cause equipment failure and shorten the service life. Therefore, the waterproof performance and tensile resistance of the connecting line have certain influence on guaranteeing the normal operation of the equipment.

[0003] In the prior art, through retrieval, it is found that Chinese patent discloses "a waterproof connecting line of tensile resistance", and the application number is "202420236024.6". The above-mentioned patent mainly includes a connecting line, the left end of the connecting line is fixedly provided with a sleeve shell, the side surface of the sleeve shell movably sleeves a plug shell, the inside of the plug shell is provided with a tensile resistance mechanism, the left side of the plug shell is provided with an interface, the inner wall right side of the interface is fixedly provided with a tongue plate, and the top of the tongue plate is provided with a connecting terminal. The above-mentioned waterproof connecting line of tensile resistance has the advantages that by arranging the wire groove, the cable core, the ring block and the limiting movable groove, the connecting line and the quick plug connection part have the cable core with the excess length, the cable core with the excess length is accommodated in the wire groove of the plug shell, the tensile resistance effect between the connecting line and the quick plug is improved, and the service life of the quick plug is guaranteed. However, after the plug is connected with the docking equipment, the connecting part lacks a sealing mechanism, the sealing property of the connecting part is insufficient, and the moisture can easily penetrate into the connecting head through the gap, which may cause damage to the connected equipment and affect the normal operation of the equipment. Therefore, the utility model provides a waterproof connecting line of tensile resistance to solve the problems in the above-mentioned background technology. UTILITY MODEL CONTENTS

[0004] The utility model discloses a waterproof connecting line of tensile resistance, sets up first sealing washer and second sealing washer, can be good to the sealing of the connecting part of plug shell and docking equipment, can effectively prevent the moisture from intruding, is favorable to the waterproof performance of waterproof connecting line, practicality is strong, and through setting up positioning assembly, can increase the stability that joint shell and docking equipment connect, reduces the looseness caused by stretching, and it is convenient to guarantee good sealing effect.

[0005] In order to achieve the above-mentioned purpose, a waterproof connecting line of tensile resistance is provided, which comprises a plug shell and a connecting line connected to one end of the plug shell, a first sealing washer with a U-shaped structure in cross section is fixedly connected at the opening of the plug shell, a second sealing washer is fixedly connected to one side of the plug shell inside and close to the opening, and a first inclined surface part is arranged on one side of the second sealing washer close to the opening, a plurality of trapezoidal protrusions are uniformly arranged on one side of the first sealing washer away from the plug shell, and the trapezoidal protrusions are arranged in a multilayer structure from the inside of the plug shell to the outside.

[0006] According to the waterproof connecting line of the anti-stretching, the plug shell inside is uniformly provided with a plurality of positioning components, the positioning component includes the installation slot arranged in the plug shell inside, the positioning plate slidably connected in the installation slot inside and the two symmetrical springs fixedly connected between the positioning plate and the installation slot surface, and the second inclined surface part is arranged on the side of the positioning plate away from the spring.

[0007] According to the waterproof connecting line of the anti-stretching, the connecting line includes a conductive layer, a wear-resistant inner layer arranged on the outer side of the conductive layer and a reinforced outer layer arranged on the outer side of the wear-resistant inner layer.

[0008] According to the waterproof connecting line of the anti-stretching, the conductive layer is made of copper material, the wear-resistant inner layer is made of nylon material, and the reinforced outer layer is made of high-strength polyurethane material.

[0009] According to the waterproof connecting line of the anti-stretching, the trapezoidal protrusion is integrally formed with the first sealing ring, the first inclined surface part is integrally formed with the second sealing ring, and the first sealing ring and the second sealing ring are made of silica gel material.

[0010] According to the waterproof connecting line of the anti-stretching, the outer surfaces of the plug shell and the connecting line are provided with waterproof coating.

[0011] The utility model has the advantages of:

[0012] 1、Compared with the prior art, the waterproof connecting line of the anti-stretching is provided with the first sealing ring and the second sealing ring, can seal the connection between the plug shell and the docking equipment, can effectively prevent water from entering, is favorable for improving the waterproof performance of the waterproof connecting line, and has high practicability.

[0013] 2、Compared with the prior art, the waterproof connecting line of the anti-stretching is provided with the positioning component, can increase the stability of the connection between the joint shell and the docking equipment, reduce looseness caused by stretching, and facilitate to guarantee good sealing effect.

[0014] Additional aspects and advantages of the utility model will be partially given in the following description, partially become obvious from the following description, or be understood by the practice of the utility model. DETAILED DESCRIPTION

[0015] The utility model is further explained below in combination with the drawings and examples;

[0016] Figure 1 It is the whole structure schematic diagram of the utility model waterproof connecting line of the anti-stretching;

[0017] Figure 2 It is the plug shell inside sectional view structure schematic diagram of the utility model waterproof connecting line of the anti-stretching.

[0018] Figure 3 It is the positioning plate and spring structure schematic diagram of the waterproof connecting line of the utility model of resisting stretching;

[0019] Figure 4 It is the connecting line internal section structure schematic diagram of the waterproof connecting line of the utility model of resisting stretching.

[0020] Legend:

[0021] 1, plug shell;2, connecting line;21, conductive layer;22, wear-resistant inner layer;23, reinforced outer layer;3, first sealing ring;31, trapezoidal protrusion;4, second sealing ring;41, first inclined surface part;5, positioning plate;51, second inclined surface part;6, mounting groove;7, spring. Specific implementation

[0022] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0023] Reference Figures 1-4 , the utility model discloses a kind of waterproof connecting line of resisting stretching, it includes plug shell 1 and the connecting line 2 connected to the one end of plug shell 1, first sealing ring 3 with U-shaped structure cross section is fixedly connected at the opening of plug shell 1, second sealing ring 4 is fixedly connected in the inside of plug shell 1 and close to the side of opening, and first inclined surface part 41 is arranged on the side close to the opening of second sealing ring 4, multiple trapezoidal protrusions 31 are evenly arranged on the side away from plug shell 1 of first sealing ring 3, and trapezoidal protrusion 31 is arranged as multilayer structure from the inside of plug shell 1 to outside.

[0024] After plug shell 1 is inserted with mating equipment, first sealing ring 3 at the opening of plug shell 1 is tightly attached between plug shell 1 and the shell of mating equipment, to ensure that moisture cannot penetrate from the opening. Meanwhile, trapezoidal protrusion 31 arranged on first sealing ring 3 not only increases the contact area of first sealing ring 3, but also improves its waterproof performance;

[0025] And when plug shell 1 is inserted, second sealing ring 4 and second inclined surface part 51 on it can be more closely attached with mating equipment, to further form effective waterproof barrier, so that the connection between plug shell 1 and mating equipment can be well sealed, water intrusion can be effectively prevented, the waterproof performance of waterproof connecting line can be improved, and practicality is strong.

[0026] The connecting wire 2 comprises a conductive layer 21, a wear-resistant inner layer 22 arranged outside the conductive layer 21, and a reinforcing outer layer 23 arranged outside the wear-resistant inner layer 22, the conductive layer 21 is made of copper material, the wear-resistant inner layer 22 is made of nylon material, and the reinforcing outer layer 23 is made of high-strength polyurethane material.

[0027] The conductive layer 21 inside the connecting wire 2 is woven by multiple copper wires, which can provide good conductivity and tensile resistance, the inner layer is made of wear-resistant nylon material to enhance the tensile resistance, and the outermost layer is made of high-strength polyurethane material, which has high tensile strength and bending resistance, so that the connecting wire 2 is not easy to break when subjected to external force, thereby facilitating the protection of the tensile resistance of the waterproof connecting wire.

[0028] In order to improve the stability and reliability of the connection of the plug shell 1, a plurality of positioning components are uniformly arranged inside the plug shell 1, the positioning components comprise a mounting groove 6 arranged in the inside of the plug shell 1, a positioning plate 5 slidingly connected inside the mounting groove 6, and two springs 7 symmetrically and fixedly connected between the positioning plate 5 and the surface of the mounting groove 6, and the side of the positioning plate 5 away from the spring 7 is provided with a second inclined surface part 51.

[0029] The second inclined surface part 51 enables the positioning plate 5 to be tightly fitted to the inner wall of the mating device under the thrust of the spring 7 when the plug shell 1 is inserted, thereby reducing looseness caused by stretching and ensuring stable positioning of the waterproof connecting wire. At the same time, the stable connection of the plug shell 1 and the mating device facilitates good sealing effect.

[0030] The trapezoidal protrusion 31 is integrally formed with the first sealing ring 3, the first inclined surface part 41 is integrally formed with the second sealing ring 4, and the first sealing ring 3 and the second sealing ring 4 are both made of silica gel material, the integrally formed first sealing ring 3 and the second sealing ring 4 ensure the sealing effect, and the use of silica gel material has good elasticity and water resistance, which can maintain stable sealing performance for a long time.

[0031] The outer surfaces of the plug shell 1 and the connecting wire 2 are provided with a waterproof coating, and the outer layers of the plug shell 1 and the connecting wire 2 are waterproof treated, which has good water resistance, thereby further improving the overall waterproof performance.

[0032] Working principle: after the plug shell 1 is inserted into the mating device, the first sealing ring 3 at the opening of the plug shell 1 is tightly fitted between the plug shell 1 and the shell of the mating device, so that water cannot penetrate from the opening. At the same time, the trapezoidal protrusion 31 arranged on the first sealing ring 3 not only increases the contact area of the first sealing ring 3, but also improves the waterproof performance thereof.

[0033] When the plug shell 1 is inserted, the second sealing ring 4 and the second inclined surface part 51 thereon can be more closely attached to the mating device, further forming an effective waterproof barrier, so that the connection between the plug shell 1 and the mating device can be well sealed, water intrusion can be effectively prevented, the waterproof performance of the waterproof connection line can be improved, and the practicability is high;

[0034] The second inclined surface part 51 is arranged, so that when the plug shell 1 is inserted, the positioning plate 5 can be closely attached to the inner wall of the mating device under the pushing force of the spring 7, loosening caused by stretching is reduced, the stable positioning of the waterproof connection line is ensured, the good sealing effect is facilitated, and the practicability is high.

[0035] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by those skilled in the art in the technical field without departing from the purpose of the utility model.

Claims

1. A waterproof connection cord resistant to stretching, characterized by, The utility model provides a plug housing (1) and the connecting wire (2) connected to one end of plug housing (1), first sealing ring (3) of cross section is fixedly connected with U-shaped structure at the opening of plug housing (1), second sealing ring (4) is fixedly connected with inside plug housing (1) and the side close to the opening, and the side close to the opening of second sealing ring (4) is equipped with first inclined surface part (41), the side away from plug housing (1) of first sealing ring (3) is uniformly equipped with a plurality of trapezoidal protrusions (31), and the trapezoidal protrusion (31) is equipped with multilayer structure by inside plug housing (1) to outside.

2. The waterproof tensile-resistant connecting cord according to claim 1, wherein, The plug housing (1) is uniformly provided with a plurality of positioning assemblies inside, the positioning assembly comprises a mounting groove (6) opened in the plug housing (1), a positioning plate (5) slidingly connected inside the mounting groove (6), and two springs (7) symmetrically and fixedly connected between the positioning plate (5) and the surface of the mounting groove (6), and the side away from the spring (7) of the positioning plate (5) is provided with a second inclined surface (51).

3. The stretch-resistant, waterproof cord of claim 2, wherein, The connecting wire (2) comprises a conductive layer (21), a wear-resistant inner layer (22) arranged outside the conductive layer (21), and a reinforcing outer layer (23) arranged outside the wear-resistant inner layer (22).

4. The waterproof tensile-resistant connecting cord according to claim 3, wherein, The conductive layer (21) is made of copper material, the wear-resistant inner layer (22) is made of nylon material, and the reinforcing outer layer (23) is made of high-strength polyurethane material.

5. The waterproof tensile-resistant connecting cord according to claim 4, wherein, The trapezoidal protrusions (31) and the first sealing ring (3) are integrally formed, the first inclined surface (41) and the second sealing ring (4) are integrally formed, and the first sealing ring (3) and the second sealing ring (4) are both made of silica gel material.

6. The waterproof tensile-resistant connecting cord according to claim 5, wherein, The outer surfaces of the plug housing (1) and the connecting wire (2) are both provided with a waterproof coating.

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