Flame-retardant cable with protection structure

Abstract

The invention provides a flame-retardant cable with protection structures, which comprises a cable core, a plurality of compression-resistant protection structures are arranged on the outer side of the cable core at intervals along the length of the cable core, and a protection sleeve is arranged on each compression-resistant protection structure. The anti-compression cable is novel and ingenious in structural design, the cable core is protected by adopting a plurality of anti-compression protection structures, external gravity is buffered and weakened by utilizing the elasticity of the first protection plate, the second protection plate and the elastic buffer piece, and the situation that the external gravity is concentrated on a certain part of the cable, local damage of the cable is caused, and then the cable core is damaged is avoided.

Description

Technical Field

[0001] The invention relates to a cable, in particular to a flame-retardant cable provided with a protective structure. Background Art

[0002] Flame-retardant cables are cables that can extinguish themselves within a limited burning time. Their fundamental characteristic is that in the event of a fire, the burning is limited to a local area and does not spread, thus protecting other equipment from greater losses.

[0003] Patents with authorization announcement number CN220340958U, authorization announcement number CN221507809U and authorization announcement number CN220753125U all disclose a flame retardant cable. However, when these cables are pressed or squeezed by external gravity, the cable core inside the cable will be damaged, resulting in functional problems of the cable. Therefore, the present invention provides a flame retardant cable with a protective structure. Summary of the invention

[0004] The object of the present invention is to provide a flame retardant cable with a protective structure to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a flame-retardant cable with a protective structure, comprising a cable core, a plurality of pressure-resistant protective structures are arranged at intervals along the length of the outer side of the cable core, and a protective cover is arranged on the pressure-resistant protective structure;

[0006] The compression protection structure comprises a first protection plate, a second protection plate and an elastic buffer, and both side ends of the first protection plate and the second protection plate are mounted on the elastic buffer by connecting arms through pins;

[0007] The elastic buffer comprises a component mounting tube, a sliding shaft, a sliding sleeve and a buffer spring. The sliding shaft is fixedly arranged in the component mounting tube, the buffer spring is sleeved on the sliding shaft, and the sliding sleeve is slidably mounted on a side of the buffer spring away from the sliding shaft.

[0008] The first protection plate and the second protection plate each include two identical anti-pressure plates, and the facing ends of the two anti-pressure plates are installed through a long pin shaft.

[0009] The facing ends of the two identical anti-pressure plates are both provided with component grooves, in which connecting plates are installed, and springs are arranged between the connecting plates and the opposite component groove walls, and the two connecting plates are installed via long pin shafts.

[0010] A connecting plate is installed between the anti-pressure plates on the same side via an elastic part.

[0011] The elastic part includes a compression spring arranged at the bottom of both side ends of the connecting plate and a spring groove arranged on the pressure-resistant plate, and the compression spring is fixedly installed in the spring groove.

[0012] Compared with the prior art, the beneficial effects achieved by the present invention are: the structural design of the present invention is novel and ingenious, and a number of pressure-resistant protection structures are used to protect the cable core. The elasticity of the first protection plate, the second protection plate and the elastic buffer is used to weaken the external gravity buffer, thereby avoiding the external gravity being concentrated on a certain part of the cable, causing local damage to the cable and further damaging the cable core. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. In the accompanying drawings:

[0014] Figure 1 It is a structural schematic diagram of a flame-retardant cable provided with a protective structure according to the present invention;

[0015] Figure 2 yes Figure 1 The enlarged view of point A in the middle;

[0016] Figure 3 It is a schematic diagram of a compression protection structure in a flame-retardant cable provided with a protection structure according to the present invention;

[0017] Figure 4 It is another structural schematic diagram of a flame-retardant cable provided with a protective structure according to the present invention;

[0018] Figure 5 yes Figure 4 The enlarged view of point B in the middle;

[0019] Figure 6 It is a schematic diagram of a flame-retardant cable with a protective structure according to the present invention, in which a connecting plate is installed between pressure-resistant plates through an elastic part;

[0020] Figure 7 It is a cross-sectional view of an elastic portion in a flame-retardant cable provided with a protective structure according to the present invention;

[0021] In the figure: 1 cable core; 2 compression protection structure; 21 first protection plate; 22 second protection plate; 23 elastic buffer; 231 component mounting tube; 232 sliding shaft; 233 sliding sleeve; 234 buffer spring; 3 protection sleeve; 4 connecting arm; 5 compression plate; 6 component groove; 7 connecting plate; 8 spring; 9 elastic part; 91 compression spring; 92 spring groove; 10 connecting plate; 11; 12; 13; 14; 15; 16. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] Example 1: Please refer to Figure 1-3 A flame retardant cable with a protective structure comprises a cable core 1, a plurality of compression protection structures 2 are arranged at intervals along the length of the cable core 1, a protective cover 3 is arranged on the compression protection structure 2, the protective cover 3 has flame retardant performance, and the shape and structure of the protective cover 3 and the compression protection structure 2 are adapted, so that convex parts appear on the opposite sides of the cable, and the convex parts ensure that the cable is in accordance with the attached Figure 1 The state is placed on the ground;

[0024] The compression protection structure 2 includes a first protection plate 21, a second protection plate 22 and an elastic buffer 23. Both ends of the first protection plate 21 and the second protection plate 22 are mounted on the elastic buffer 23 by a connecting arm 4 through a pin. When the cable is squeezed by external gravity, the first protection plate 21 and the second protection plate 22 will bear the gravity and transfer the gravity to the elastic buffer 23. The elasticity of the elastic buffer 23 is used to weaken the gravity, thereby protecting the cable core 1.

[0025] The first protection plate 21 and the second protection plate 22 each include two identical anti-pressure plates 5, the facing ends of the two anti-pressure plates 5 are installed by a long pin shaft, the elastic buffer 23 includes a component installation cylinder 231, a sliding shaft 232, a sliding sleeve 233 and a buffer spring 234, the sliding shaft 232 is fixedly arranged in the component installation cylinder 231, a buffer spring 234 is sleeved on the sliding shaft 232, and the sliding sleeve 233 is slidably installed on the side of the buffer spring 234 away from the sliding shaft 232. The specific process of weakening gravity is that the two anti-pressure plates 5 are subjected to force Expanding to both sides, the connecting arm 4 pushes the sliding sleeve 233 to slide along the sliding shaft 232 and compresses the buffer spring 234. At this time, the buffer spring 234 can slow down the sliding of the sliding sleeve 233 and buffer and weaken the force transmitted to the sliding sleeve 233 to avoid the external gravity being concentrated on a certain part of the cable, causing local damage to the cable and further damaging the cable core. When the external gravity disappears, the elastic force of the buffer spring 234 pushes the sliding sleeve 233 to return to its original state, and the sliding sleeve 233 drives the anti-pressure plate 5 to return to its original state. At this time, the cable returns to its original state.

[0026] Example 2: Please refer to Figure 4-5On the basis of the technical scheme of embodiment 1, the two identical anti-pressure plates 5 are provided with component grooves 6 at the opposite ends, and connecting plates 7 are installed in the component grooves 6. A spring 8 is arranged between the connecting plate 7 and the wall of the component groove 6 opposite thereto, and the two connecting plates 7 are installed by a long pin shaft. The design of this scheme enhances the effect of buffering and weakening the external gravity on both sides of the upper and lower parts of the cable. Specifically, when the external gravity squeezes both sides of the upper or lower part of the cable at the same time (such as Figure 4 As shown by the arrows in the figure, the two anti-pressure plates 5 are compressed, so that the two connecting plates 7 are squeezed against each other. At this time, the spring 8 can reduce and weaken the squeezing force. When the external gravity squeezes the upper or lower side of the cable at the same time (such as Figure 4 As shown by the arrow in the figure, one anti-compression plate 5 is pressed to push another anti-compression plate 5, and one connecting plate 7 squeezes another connecting plate 7. At this time, the spring 8 can slow down and weaken the squeezing force. At the same time, the two anti-compression plates 5 are forced to expand to both sides. Under the action of the elastic buffer 23, the external gravity is buffered and weakened again. When the external gravity disappears, the cable returns to its original state.

[0027] Example 3: Please refer to Figure 1 , 2 , 3, 6 and 7, on the basis of the technical scheme of embodiment 1, a connecting plate 10 is installed between the pressure-resistant plates 5 on the same side through an elastic part 9. Since a plurality of pressure-resistant protection structures 2 are arranged at intervals along the length of the cable core 1, there will be a distance gap between the pressure-resistant plates 5. If external gravity acts on the gap, the pressure-resistant protection structure 2 loses its protective effect. The pressure-resistant plates 5 on the same side are connected by the connecting plate 10 to make up for the deficiency in the gap. When external gravity acts on the connecting plate 10, the external gravity will be dispersed to the two pressure-resistant plates 5 on the same side. After the two pressure-resistant plates 5 on the same side are subjected to force respectively, the external force will be buffered and weakened through the process in embodiment 1. The elastic part 9 includes a compression spring 91 arranged at the bottom of both side ends of the connecting plate 10 and a spring groove 92 arranged on the pressure-resistant plate 5, and the compression spring 91 is fixedly installed in the spring groove 92. With this structural design, when external gravity acts on the connecting plate 10, the compression spring 91 can buffer and weaken part of the external force, and at the same time ensure the stability of the entire cable structure.

[0028] Example 4: Please refer to Figure 4-7On the basis of the technical solution of Example 2, a connecting plate 10 is installed between the compression plates 5 on the same side through the elastic part 9. Since a plurality of compression protection structures 2 are arranged at intervals along the length of the cable core 1, there will be a distance gap between the compression plates 5. If the external gravity acts on the gap, the compression protection structure 2 loses its protective effect. The compression plates 5 on the same side are connected by the connecting plate 10 to make up for the deficiency in the gap. When the external gravity acts on the connecting plate 10, the external gravity will be dispersed to the two compression plates 5 on the same side. After the anti-pressure plate 5 is subjected to force respectively, the external force is buffered and weakened through the process in Example 1. The elastic part 9 includes a compression spring 91 arranged at the bottom of both sides of the connecting plate 10 and a spring groove 92 arranged on the anti-pressure plate 5, and the compression spring 91 is fixedly installed in the spring groove 92. When the external gravity acts on the connecting plate 10, the compression spring 91 can buffer and weaken part of the external force. This embodiment can further buffer and weaken the external force on the basis of buffering and weakening the external force in Examples 1 and 2, and at the same time ensure the stability of the entire cable structure.

[0029] It should be noted that relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises", or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device that includes a series of elements includes not only those elements, but also other elements that are not explicitly listed, or also includes elements that are inherent to such process, method, article, or device.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A flame-retardant cable provided with a protective structure, comprising a cable core (1), characterized in that: A plurality of pressure-resistant protective structures (2) are arranged at intervals along the length of the outer side of the cable core (1), and a protective cover (3) is arranged on the pressure-resistant protective structure (2); The compression protection structure (2) comprises a first protection plate (21), a second protection plate (22) and an elastic buffer (23), and both side ends of the first protection plate (21) and the second protection plate (22) are mounted on the elastic buffer (23) by a connecting arm (4) through a pin shaft; The elastic buffer (23) comprises a component mounting tube (231), a sliding shaft (232), a sliding sleeve (233) and a buffer spring (234); the sliding shaft (232) is fixedly arranged in the component mounting tube (231); the buffer spring (234) is sleeved on the sliding shaft (232); the sliding sleeve (233) is slidably mounted on a side of the buffer spring (234) away from the sliding shaft (232).

2. A flame-retardant cable with a protective structure according to claim 1, characterized in that: The first protection plate (21) and the second protection plate (22) each comprise two identical anti-pressure plates (5), and the facing ends of the two anti-pressure plates (5) are mounted via a long pin shaft.

3. A flame-retardant cable with a protective structure according to claim 2, characterized in that: The two identical pressure-resistant plates (5) are provided with component grooves (6) at their facing ends, a connecting plate (7) is installed in the component groove (6), a spring (8) is provided between the connecting plate (7) and the wall of the component groove (6) opposite thereto, and the two connecting plates (7) are installed via a long pin shaft.

4. A flame-retardant cable with a protective structure according to claim 2, characterized in that: A connecting plate (10) is installed between the anti-pressure plates (5) on the same side via an elastic portion (9).

5. A flame-retardant cable with a protective structure according to claim 4, characterized in that: The elastic part (9) comprises a compression spring (91) arranged at the bottom of both side ends of the connecting plate (10) and a spring groove (92) arranged on the pressure-resistant plate (5), and the compression spring (91) is fixedly installed in the spring groove (92).

Images