Shock-resistant coaxial cable
By incorporating a buffer layer and improving the shielding structure in coaxial cables, the problem of insufficient impact resistance in coaxial cables has been solved, thereby enhancing the cable's buffering performance and mechanical strength, and extending its service life.
Patent Information
- Application Number
- CN202520022474.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-06
AI Technical Summary
Existing coaxial cables suffer from insufficient mechanical strength and durability in terms of impact resistance, leading to damage to the outer sheath, deformation of the shielding layer, easy rupture of the insulation layer under pressure, and deformation or breakage of the central conductor, thus shortening their service life.
A first buffer layer is set between the insulation layer and the shielding layer of the coaxial cable, and a second buffer layer is set between the shielding layer and the outer sheath. The buffer layer is made of flexible buffer material such as foam or rubber, combined with a spiral support structure and buffer groove design to enhance the buffering performance of the cable. At the same time, aluminum foil and metal braided layers are used to enhance the shielding performance and mechanical strength.
It effectively absorbs impact forces, reduces the risk of damage to the central conductor and insulation layer, improves the cable's resistance to bending and compression, reduces the overall weight impact, and extends the cable's service life.
Smart Images
Figure CN223728498U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to coaxial cable technical field especially relates to an impact resistance coaxial cable. BACKGROUND
[0002] Coaxial cable is a kind of cable for transmitting electrical signal, its design makes it can effectively prevent external electromagnetic interference, while ensuring the quality and stability of signal transmission. It is widely used in television signal, internet, radio communication and other high-frequency signal transmission. Coaxial cable is composed of multiple layers, each layer has a specific function to provide good electrical performance and mechanical protection. The existing coaxial cable is generally composed of center conductor, insulating layer, shielding layer and outer sheath, the core principle of coaxial cable is that its concentric design makes the current of transmission signal flow through the center conductor, and the return current is transmitted through the shielding layer. This coaxial structure can keep the signal in the center of the cable, and it is not easy to be affected by external electromagnetic interference. At the same time, since the shielding layer surrounds the signal transmission part, the signal radiation is also limited inside the cable, ensuring that the signal can be transmitted with low loss.
[0003] However, the existing coaxial cable has some shortcomings in impact resistance, mainly in the overall mechanical strength and durability, which causes the outer sheath to be damaged, the shielding layer to be deformed, the insulating layer to be easily broken under pressure and the center conductor to be deformed or broken, thereby greatly shortening the service life of the coaxial cable. UTILITY MODEL CONTENTS
[0004] Therefore, it is necessary to provide an impact resistance coaxial cable to solve the technical problem of insufficient impact resistance of the existing coaxial cable.
[0005] An impact resistance coaxial cable, the impact resistance coaxial cable includes center conductor, insulating layer, shielding layer and outer sheath, the insulating layer is sleeved on the side surface of the center conductor, the shielding layer is sleeved on the outer side of the side wall of the insulating layer, and the outer sheath is sleeved on the outer side of the side wall of the shielding layer, thereby forming the main structure of the impact resistance coaxial cable. The impact resistance coaxial cable further includes a first buffer layer and a second buffer layer, wherein the first buffer layer is arranged between the insulating layer and the shielding layer, and the second buffer layer is arranged between the shielding layer and the outer sheath.
[0006] The first buffer layer and the second buffer layer are both made of flexible buffer material, and the inner surface of the side wall of the first buffer layer is connected with the outer surface of the side wall of the insulating layer, and the outer surface of the side wall of the first buffer layer is connected with the inner surface of the side wall of the shielding layer; the inner surface of the side wall of the second buffer layer is connected with the outer surface of the side wall of the shielding layer, and the outer surface of the side wall of the second buffer layer is connected with the inner surface of the side wall of the outer sheath.
[0007] In one of the embodiments, the first buffer layer and the second buffer layer are made of one of the following materials: foam and rubber.
[0008] In one of the embodiments, the side wall outer surface of the first buffer layer is provided with a spiral support structure.
[0009] In one of the embodiments, the side wall outer surface of the second buffer layer is provided with a spiral support structure.
[0010] In one of the embodiments, the outer protective layer is provided with a plurality of buffer grooves arranged on the side wall outer surface of the outer protective layer along the circumferential direction of the outer protective layer.
[0011] In one of the embodiments, each of the buffer grooves extends along the length direction of the outer protective layer.
[0012] In one of the embodiments, the shielding layer includes a first shielding layer and a second shielding layer, the first shielding layer is sleeved on the outer surface of the side wall of the first buffer layer, the second shielding layer is sleeved on the outer surface of the side wall of the first shielding layer, and the side wall outer surface of the second shielding layer is connected with the side wall inner surface of the second buffer layer.
[0013] In one of the embodiments, the first shielding layer is an aluminum foil shielding layer, so as to realize the shielding function of the first shielding layer.
[0014] In one of the embodiments, the second shielding layer is a metal woven layer, so as to strengthen the shielding performance of the shielding layer, and further strengthen the mechanical strength of the overall impact-resistant coaxial cable together with the first shielding layer.
[0015] In one of the embodiments, the insulating layer is made of cross-linked polyethylene.
[0016] In one of the embodiments, the insulating layer is made of reinforced polypropylene.
[0017] The impact-resistant coaxial cable effectively improves the overall buffering performance of the impact-resistant coaxial cable by arranging the first buffer layer between the insulating layer and the shielding layer, and arranging the second buffer layer between the shielding layer and the outer protective layer. When the impact-resistant coaxial cable is subjected to external impact, the first buffer layer and the second buffer layer can effectively absorb the impact force, so as to reduce the direct impact on the center conductor and the insulating layer, and further effectively reduce the risk of damage to the center conductor and the insulating layer. The first buffer layer and the second buffer layer are made of one of the following materials: foam and rubber, which can ensure the elasticity of the first buffer layer and the second buffer layer, and control the weight of the first buffer layer and the second buffer layer at a low level, so as to reduce the influence of the added first buffer layer and the second buffer layer on the overall weight of the impact-resistant coaxial cable. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 Structure diagram of anti-impact coaxial cable in one embodiment;
[0019] Figure 2 For Figure 1 Structure diagram of M part in the embodiment shown. DETAILED DESCRIPTION
[0020] In order to make the above objectives, characteristics and advantages of the utility model more apparent, clear and easy to understand, the specific implementation manners of the utility model will be described in detail below. In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.
[0021] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0022] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.
[0023] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0024] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature can be the first and second features directly contact, or the first and second features indirectly contact through intermediate media. Moreover, the first feature is "above", "over" and "on" the second feature can be the first feature is directly above or obliquely above the second feature, or just indicates that the first feature is higher than the second feature in horizontal height. The first feature is "below", "under" and "under" the second feature can be the first feature is directly below or obliquely below the second feature, or just indicates that the first feature is less than the second feature in horizontal height.
[0025] It should be noted that when an element is referred to as being "fixed" or "set" on another element, it can be directly on the other element or there can be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there can be an intermediate element. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation.
[0026] Please refer to Figures 1 to 2The utility model discloses an anti -impact coaxial cable, this anti -impact coaxial cable includes center conductor 100, insulating layer 200, shielding layer 300 and outer sheath 400, insulating layer 200 is set on the side surface of center conductor 100, shielding layer 300 is set on the lateral outside of insulating layer 200, and outer sheath 400 is set on the lateral outside of shielding layer 300, thereby forming the main structure of anti -impact coaxial cable. Anti -impact coaxial cable still includes first buffer layer 500 and second buffer layer 600, wherein, first buffer layer 500 is arranged between insulating layer 200 and shielding layer 300, and second buffer layer 600 is arranged between shielding layer 300 and outer sheath 400. Specifically, first buffer layer 500 and second buffer layer 600 are made of flexible buffer material, and the lateral inner surface of first buffer layer 500 cooperatively connects the lateral outer surface of insulating layer 200, and the lateral outer surface of first buffer layer 500 cooperatively connects the lateral inner surface of shielding layer 300, the lateral inner surface of second buffer layer 600 cooperatively connects the lateral outer surface of shielding layer 300, and the lateral outer surface of second buffer layer 600 cooperatively connects the lateral inner surface of outer sheath 400. The utility model discloses an anti -impact coaxial cable, through setting first buffer layer 500 between insulating layer 200 and shielding layer 300, and setting second buffer layer 600 between shielding layer 300 and outer sheath 400, effectively improve the overall buffering performance of anti -impact coaxial cable, when anti -impact coaxial cable is impacted from outside, first buffer layer 500 and second buffer layer 600 can effectively absorb the impact force, to reduce the direct impact on center conductor 100 and insulating layer 200, and further effectively reduce the risk of damage of center conductor 100 and insulating layer 200. In an embodiment, first buffer layer 500 and second buffer layer 600 are made of one of foam and rubber, which can ensure the elasticity of first buffer layer 500 and second buffer layer 600 while controlling the weight of both at a low level, thereby reducing the impact of adding first buffer layer 500 and second buffer layer 600 on the overall weight of anti -impact coaxial cable.
[0027] Further, the lateral outer surface of first buffer layer 500 is provided as a spiral support structure, so that first buffer layer 500 can help to uniformly disperse the impact force while improving the overall bending resistance and compression resistance of anti -impact coaxial cable.
[0028] Further, the lateral outer surface of second buffer layer 600 is provided as a spiral support structure, so that second buffer layer 600 can further uniformly disperse the impact force in cooperation with first buffer layer 500, while further improving the overall bending resistance and compression resistance of anti -impact coaxial cable.
[0029] Further, the outer protective layer 400 is provided with a plurality of buffer grooves a arranged on the outer surface of the side wall of the outer protective layer 400 in the circumferential direction of the outer protective layer 400. Specifically, each buffer groove a extends along the length direction of the outer protective layer 400, so that the plurality of buffer grooves a can effectively improve the compression resistance and impact resistance of the outer protective layer 400, so as to absorb the external impact force to a certain extent, and further avoid damage to the inner center conductor 100 and the insulating layer 200.
[0030] Further, the shielding layer 300 includes a first shielding layer 310 and a second shielding layer 320, the first shielding layer 310 is sleeved on the outer surface of the side wall of the first buffer layer 500, and the second shielding layer 320 is sleeved on the outer surface of the side wall of the first shielding layer 310, and the outer surface of the side wall of the second shielding layer 320 is connected with the inner surface of the side wall of the second buffer layer 600. By arranging the first shielding layer 310 and the second shielding layer 320 in sequence, the electromagnetic shielding effect can be enhanced, and the mechanical strength of the impact-resistant coaxial cable as a whole can be improved to resist external impact.
[0031] In one embodiment, the first shielding layer 310 is an aluminum foil shielding layer 300, so as to realize the shielding function of the first shielding layer 310.
[0032] In one embodiment, the second shielding layer 320 is a metal woven layer, so as to enhance the shielding performance of the shielding layer 300, and further enhance the mechanical strength of the impact-resistant coaxial cable as a whole in cooperation with the first shielding layer 310.
[0033] In one embodiment, the insulating layer 200 is made of cross-linked polyethylene, which has high dielectric strength, good insulation properties, excellent tensile resistance, impact resistance and tear resistance, and can withstand the mechanical stress of the tape, so as to effectively enhance the impact resistance of the insulating layer 200.
[0034] In one embodiment, the insulating layer 200 is made of reinforced polypropylene, which has good electrical insulation performance, especially excellent dielectric strength in low-voltage applications, and excellent impact resistance, tensile resistance and wear resistance, so as to enhance the impact resistance of the insulating layer 200.
[0035] In summary, the anti-impact coaxial cable disclosed by the utility model improves the overall buffering performance of the anti-impact coaxial cable by setting the first buffering layer between the insulating layer and the shielding layer and setting the second buffering layer between the shielding layer and the outer protective layer, when the anti-impact coaxial cable is impacted from outside, the first buffering layer and the second buffering layer can effectively absorb the impact force, thereby reducing the direct impact on the center conductor and the insulating layer, and further effectively reducing the risk of damage to the center conductor and the insulating layer.
[0036] The technical features of the above-described embodiments can be combined arbitrarily, and to make the description concise, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combinations of the technical features do not exist contradictory, it should be considered that it is within the scope of the present application.
[0037] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it should not be understood as the limitation of the scope of the utility model patent. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.
Claims
1. A ruggedized coaxial cable, characterized by, The anti-impact coaxial cable comprises a center conductor, an insulation layer, a shielding layer and an outer protective layer, the insulation layer is sleeved on the side surface of the center conductor, the shielding layer is sleeved on the outer side wall of the insulation layer, and the outer protective layer is sleeved on the outer side wall of the shielding layer, so as to form the main structure of the anti-impact coaxial cable; the anti-impact coaxial cable further comprises a first buffer layer and a second buffer layer, wherein the first buffer layer is arranged between the insulation layer and the shielding layer, and the second buffer layer is arranged between the shielding layer and the outer protective layer. The first buffer layer and the second buffer layer are made of flexible buffer materials, the inner side wall of the first buffer layer is connected with the outer side wall of the insulation layer, and the outer side wall of the first buffer layer is connected with the inner side wall of the shielding layer; the inner side wall of the second buffer layer is connected with the outer side wall of the shielding layer, and the outer side wall of the second buffer layer is connected with the inner side wall of the outer protective layer.
2. The impact resistant coaxial cable of claim 1, wherein, The first buffer layer and the second buffer layer are made of one of foam and rubber.
3. The impact resistant coaxial cable of claim 2, wherein, The outer side wall of the first buffer layer is provided in a spiral support structure.
4. The impact resistant coaxial cable of claim 3, wherein, The outer side wall of the second buffer layer is provided in a spiral support structure.
5. The impact resistant coaxial cable of claim 4, wherein, The outer protective layer is provided with a plurality of buffer grooves arranged on the outer side wall of the outer protective layer along the circumferential direction of the outer protective layer.
6. The impact resistant coaxial cable of claim 5, wherein, Each buffer groove extends along the length direction of the outer protective layer.
7. The impact resistant coaxial cable of claim 6, wherein, The shielding layer comprises a first shielding layer and a second shielding layer, the first shielding layer is sleeved on the outer side wall of the first buffer layer, the second shielding layer is sleeved on the outer side wall of the first shielding layer, and the outer side wall of the second shielding layer is connected with the inner side wall of the second buffer layer.
8. The impact resistant coaxial cable of claim 7, wherein, The first shielding layer is provided as an aluminum foil shielding layer, so as to realize the shielding function of the first shielding layer.
9. The impact resistant coaxial cable of claim 8, wherein, The second shielding layer is provided as a metal woven layer, so as to strengthen the shielding performance of the shielding layer and further strengthen the mechanical strength of the anti-impact coaxial cable as a whole in cooperation with the first shielding layer.
10. The impact resistant coaxial cable of claim 9, wherein, The insulation layer is made of cross-linked polyethylene.