Heat-resistant and wear-resistant stage lighting cable
By using sealing sleeves and wear-resistant components in stage lighting cables, the expansion film is slowly expanded by using air holes and air chambers to avoid cable wear and easy replacement of expansion film, solving the severe wear of existing wear-resistant cables. Problem, extending the service life of the cable and reducing damage and maintenance costs.
Patent Information
- Application Number
- CN202420570534.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-23
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-03-23
AI Technical Summary
Existing wear-resistant cables are severely worn and difficult to repair during frequent dragging, resulting in irreversible damage and causing significant economic losses.
A heat-resistant and wear-resistant stage lighting cable is designed, which uses a sealing sleeve and wear-resistant component to slowly expand the wear-resistant expansion film through the design of air holes and air chambers, avoiding wear and tear between the cable and the ground, and making it easier to replace the expansion film. To prevent wear and tear continuously.
It effectively avoids wear and tear during the dragging process, facilitates replacement of expansion film, extends the service life of the cable, and reduces damage and maintenance costs.
Smart Images
Figure CN222145843U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of stage cables, and more specifically, to a heat-resistant and wear-resistant stage lighting cable. Background Art
[0002] As the electric power industry becomes more and more developed, electricity is needed in more and more occasions, and a large number of cables are needed to transport electricity from power plants or power stations to places where electricity is used. At present, most cables are copper wires or other conductive metals covered with a layer of insulating material.
[0003] Usually, cables are mostly fixed after installation. However, there are some usage scenarios, such as stage mobile lights, where the lamp tubes need to be moved frequently during use. In this way, the cables will be frequently dragged on the ground, greatly increasing their friction strength. Most of the existing wear-resistant cables are coated with a wear-resistant layer on their surface, but their wear-resistant effect is extremely limited and they are still difficult to repair after wear, resulting in irreversible damage to the entire cable, which brings great losses. Therefore, they need to be improved. Utility Model Content
[0004] In order to overcome the deficiencies of the prior art, the utility model provides a heat-resistant and wear-resistant stage lighting cable.
[0005] To achieve the above object, the utility model provides the following technical solutions: a heat-resistant and wear-resistant stage lighting cable, comprising a cable body, the outside of the cable body is covered with a sealing sleeve, the inside of the sealing sleeve is provided with a wear-resistant component, one end of the sealing sleeve is connected to an operating head, and the operating head and the wear-resistant component are connected to each other;
[0006] The wear-resistant component includes an air chamber opened inside the sealing sleeve, a plurality of evenly distributed air holes are opened on the outer surface of the sealing sleeve, a wear-resistant expansion rubber sheet located at the outer end of the air holes is pasted on the outer surface of the sealing sleeve, a connecting hole is opened at one end of the sealing sleeve close to the operating head, and the air holes are connected with the operating head through the air chamber and the connecting hole in sequence; the outer side of the wear-resistant expansion rubber sheet is tightly pasted on the outer surface of the sealing sleeve, and the middle part of the wear-resistant expansion rubber sheet is an elastic original sheet located at the top of the air holes.
[0007] As a preferred technical solution of the utility model, the operating head includes a fixing sleeve fixedly connected to one end of the sealing sleeve, the fixing sleeve is fixedly connected to the outside of the cable body, a sealing cavity is opened in the middle of the fixing sleeve, and the sealing cavity is connected to the connecting hole.
[0008] As a preferred technical solution of the utility model, a one-way valve assembly is movably installed at one end of the sealing cavity near the connecting hole, the outer part of the fixed sleeve is movably sleeved with an adjusting sleeve, the inner part of the adjusting sleeve is rotatably clamped with a clamping ring located at one end of the fixed sleeve, one side of the clamping ring is fixedly connected to a connecting rod, the other end of the connecting rod extends into the sealing cavity and is connected to the one-way valve assembly, and the connecting rod is movably sleeved inside the connecting rod.
[0009] As a preferred technical solution of the utility model, an air inlet hole is opened on the side of the fixed sleeve, and a filter cover located at the outer end of the air inlet hole is provided on the outer surface of the fixed sleeve. The air inlet hole is connected to the sealing cavity through a one-way valve assembly.
[0010] As a preferred technical solution of the utility model, threads are provided on the inner part of the adjusting sleeve and one end close to the outer surface of the fixing sleeve, and the adjusting sleeve is fixedly connected to the fixing sleeve via the threads.
[0011] As a preferred technical solution of the utility model, the one-way valve assembly includes a piston ring and a blocking ring movably sleeved inside a sealing chamber, and a positioning frame located between the piston ring and the blocking ring is fixedly sleeved inside the sealing chamber; the piston ring is sealingly sleeved inside the sealing chamber, and a gap is left between the outer surface of the blocking ring and the inner wall of the sealing chamber.
[0012] As a preferred technical solution of the utility model, the positioning frame includes an inner ring and an outer ring, the outer diameter of the inner ring is smaller than the inner diameter of the outer ring, a reset spring is connected to the inner ring, and the two ends of the reset spring are respectively connected to the inner ring and the blocking ring; the outer diameter of the inner ring is larger than the inner diameter of the blocking ring, and the inner diameter of the outer ring is smaller than the outer diameter of the blocking ring.
[0013] As a preferred technical solution of the utility model, an air intake valve cavity is provided inside the outer ring, and the upper and lower ends of the air intake valve cavity are respectively connected to the air intake hole and the sealing cavity, and the internal sealing sleeve of the air intake valve cavity is connected to the air intake valve core, and a positioning spring located at the bottom of the air intake valve core is provided inside the air intake valve cavity;
[0014] The cross-sections of the inner cavity of the intake valve cavity and the outer surface of the intake valve core are both conical, and the outer diameter of the intake valve core is matched with the inner diameter of the intake valve cavity.
[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0016] 1. Due to the setting of the wear-resistant component, the utility model can facilitate the staff to control the air flow in the air chamber with the cooperation of the operating head, and then the gradually increasing air pressure through the air holes can slowly expand the wear-resistant expansion film, thereby avoiding the wear caused by the contact between the outer surface of the cable and the ground during dragging.
[0017] 2. The utility model can prevent the cable from contacting the ground and causing wear due to the provision of the wear-resistant expansion film, and can also discharge the gas in the air chamber and the air hole through the wear-resistant expansion film to facilitate the winding of the cable.
[0018] 3. Due to the provision of the wear-resistant expansion film and the adhesive form of the outer periphery of the utility model, it can be easily torn off from the outer surface of the sealing sleeve, thereby facilitating its replacement to ensure that it can continuously and effectively prevent the cable from being worn by contact with the ground during dragging. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the structure of the utility model;
[0020] Figure 2 It is a cross-sectional view of the front side of the utility model;
[0021] Figure 3 for Figure 2 A partial schematic diagram of the middle fixed sleeve;
[0022] Figure 4 for Figure 3 A local enlarged schematic diagram of point A in the middle.
[0023] In the figure: 1. cable body; 2. sealing sleeve; 3. operating head; 31. fixing sleeve; 32. sealing chamber; 33. one-way valve assembly; 331. piston ring; 332. blocking ring; 333. positioning frame; 334. return spring; 335. intake valve chamber; 336. intake valve core; 337. positioning spring; 34. adjusting sleeve; 35. retaining ring; 36. connecting rod; 37. filter cover; 4. wear-resistant assembly; 41. air chamber; 42. air hole; 43. wear-resistant expansion film; 44. connecting hole. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] like Figures 1 to 4 As shown, the utility model provides a heat-resistant and wear-resistant stage lighting cable, comprising a cable body 1, the cable body 1 is coated with a sealing sleeve 2 on the outside, a wear-resistant component 4 is provided inside the sealing sleeve 2, one end of the sealing sleeve 2 is connected to an operating head 3, and the operating head 3 and the wear-resistant component 4 are connected to each other;
[0026] The wear-resistant component 4 includes an air chamber 41 opened inside the sealing sleeve 2, a plurality of evenly distributed air holes 42 are opened on the outer surface of the sealing sleeve 2, a wear-resistant expansion rubber sheet 43 located at the outer end of the air hole 42 is pasted on the outer surface of the sealing sleeve 2, a connecting hole 44 is opened at one end of the sealing sleeve 2 close to the operating head 3, and the air hole 42 is connected with the operating head 3 through the air chamber 41 and the connecting hole 44 in sequence; the outer side of the wear-resistant expansion rubber sheet 43 is tightly pasted to the outer surface of the sealing sleeve 2, and the middle part of the wear-resistant expansion rubber sheet 43 is an elastic original sheet located at the top of the air hole 42; due to the setting of the wear-resistant component 4, with the cooperation of the operating head 3, it is convenient for the staff to control the air flow in the air chamber 41, thereby The gradually increasing air pressure through the air hole 42 can slowly expand the wear-resistant expansion film 43, thereby preventing the outer surface of the cable from contacting the ground and causing wear during dragging; due to the provision of the wear-resistant expansion film 43, not only can the cable be prevented from contacting the ground and causing wear, but the gas in the air chamber 41 and the air hole 42 can also be discharged through the wear-resistant expansion film 43 to facilitate cable winding; due to the provision of the wear-resistant expansion film 43, the adhesive form of its periphery can be conveniently used to tear it off the outer surface of the sealing sleeve 2, thereby facilitating its replacement, thereby ensuring that it can continue to effectively prevent the cable from contacting the ground and causing wear during dragging.
[0027] The operating head 3 includes a fixing sleeve 31 fixedly connected to one end of the sealing sleeve 2 . The fixing sleeve 31 is fixedly sleeved on the outside of the cable body 1 . A sealing cavity 32 is provided in the middle of the fixing sleeve 31 . The sealing cavity 32 is communicated with the connecting hole 44 .
[0028] Among them, a one-way valve assembly 33 is movably installed at one end of the sealing cavity 32 near the connecting hole 44, an adjusting sleeve 34 is movably sleeved on the outside of the fixing sleeve 31, and a clamping ring 35 located at one end of the fixing sleeve 31 is rotatably clamped inside the adjusting sleeve 34. A connecting rod 36 is fixedly connected to one side of the clamping ring 35, and the other end of the connecting rod 36 extends into the sealing cavity 32 and is connected to the one-way valve assembly 33, and the connecting rod 36 is movably sleeved inside the connecting rod 36; due to the setting of the one-way valve assembly 33, with the cooperation of the adjusting sleeve 34, the clamping ring 35 and the connecting rod 36, the one-way valve assembly 33 can continuously guide external gas into the interior of the wear-resistant assembly 4, so that the wear-resistant expansion film 43 can expand and cut the protrusion.
[0029] An air inlet hole is provided on the side of the fixing sleeve 31 , and a filter cover 37 located at the outer end of the air inlet hole is provided on the outer surface of the fixing sleeve 31 . The air inlet hole is connected to the sealing cavity 32 through a one-way valve assembly 33 .
[0030] Among them, threads are provided at one end of the adjusting sleeve 34 and the outer surface of the fixing sleeve 31, and the adjusting sleeve 34 is fixedly connected to the fixing sleeve 31 through the threads; due to the setting of the threads, the adjusting sleeve 34 can be fixedly connected to the fixing sleeve 31, avoiding the situation where the adjusting sleeve 34 shakes randomly when using the cable and affects the expansion and bulging effect of the air hole 42.
[0031] Among them, the one-way valve assembly 33 includes a piston ring 331 and a blocking ring 332 which are movably sleeved inside the sealing chamber 32, and a positioning frame 333 located between the piston ring 331 and the blocking ring 332 is fixedly sleeved inside the sealing chamber 32; the piston ring 331 is sealingly sleeved inside the sealing chamber 32, and a gap is left between the outer surface of the blocking ring 332 and the inner wall of the sealing chamber 32; due to the setting of the blocking ring 332, under the restriction of the positioning frame 333, the continuous reciprocating sliding of the piston ring 331 can continuously draw external gas into between the inner and outer rings, and then enter the connecting hole 44 through the gap between the outer surface of the blocking ring 332 and the inner wall of the sealing chamber 32.
[0032] Among them, the positioning frame 333 includes an inner ring and an outer ring, the outer diameter of the inner ring is smaller than the inner diameter of the outer ring, and a return spring 334 is connected to the inner ring, and the two ends of the return spring 334 are respectively connected to the inner ring and the blocking ring 332; the outer diameter of the inner ring is larger than the inner diameter of the blocking ring 332, and the inner diameter of the outer ring is smaller than the outer diameter of the blocking ring 332.
[0033] The outer ring has an air intake valve cavity 335 formed inside, and the upper and lower ends of the air intake valve cavity 335 are respectively connected to the air intake hole and the sealing cavity 32. The air intake valve core 336 is sealed in the air intake valve cavity 335, and a positioning spring 337 is provided at the bottom of the air intake valve core 336.
[0034] The cross-sections of the inner cavity of the intake valve cavity 335 and the outer surface of the intake valve core 336 are both conical, and the outer diameter of the intake valve core 336 is matched with the inner diameter of the intake valve cavity 335.
[0035] The working principle and use process of this utility model:
[0036] The reciprocating adjustment sleeve 34 can drive the piston ring 331 to slide reciprocatingly in the sealing chamber 32 through the clamp ring 35 and the connecting rod 36, and then the external air enters the air inlet valve chamber 335 through the filter cover 37 under the cooperation of the one-way valve assembly 33, and then enters the air chamber 41 through the positioning frame 333, the sealing chamber 32 and the connecting hole 44 in sequence, and finally enters the air hole 42 to make the wear-resistant expansion rubber 43 gradually expand and bulge, and finally the front end of the adjustment sleeve 34 is screwed to the rear end of the fixed sleeve 31, so as to avoid the outer surface of the sealing sleeve 2 from contacting with the ground and generating friction;
[0037] After finishing using the cable, first tear off one of the tightly attached wear-resistant expansion films 43, and start to roll up the cable, so that the air in the air chamber 41 and the air hole 42 can be discharged, and after completing the rolling, stick the wear-resistant expansion film 43 tightly to facilitate rolling up and storage;
[0038] If it is found that the wear-resistant expansion film 43 at a certain place is seriously worn, it can be torn off and replaced with a new wear-resistant expansion film 43, so as to achieve a good reuse effect.
[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used 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", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A heat-resistant and wear-resistant stage lighting cable, comprising a cable body (1), Features: The cable body (1) is coated with a sealing sleeve (2) on the outside, a wear-resistant component (4) is provided inside the sealing sleeve (2), one end of the sealing sleeve (2) is connected to an operating head (3), and the operating head (3) and the wear-resistant component (4) are in communication with each other; The wear-resistant component (4) comprises an air chamber (41) opened inside the sealing sleeve (2); the outer surface of the sealing sleeve (2) is provided with a plurality of evenly distributed air holes (42); the outer surface of the sealing sleeve (2) is adhered with a wear-resistant expansion rubber sheet (43) located at the outer end of the air hole (42); a connecting hole (44) is opened at one end of the sealing sleeve (2) close to the operating head (3); the air hole (42) is connected to the operating head (3) through the air chamber (41) and the connecting hole (44) in sequence; the outer side of the wear-resistant expansion rubber sheet (43) is tightly adhered to the outer surface of the sealing sleeve (2); and the middle part of the wear-resistant expansion rubber sheet (43) is an elastic original sheet located at the top of the air hole (42).
2. A heat-resistant and wear-resistant stage lighting cable according to claim 1, Features: The operating head (3) comprises a fixing sleeve (31) fixedly connected to one end of the sealing sleeve (2); the fixing sleeve (31) is fixedly sleeved on the outside of the cable body (1); a sealing cavity (32) is provided in the middle of the fixing sleeve (31); and the sealing cavity (32) is communicated with the connecting hole (44).
3. A heat-resistant and wear-resistant stage lighting cable according to claim 2, Features: A one-way valve assembly (33) is movably mounted at one end of the sealing cavity (32) near the connecting hole (44); an adjusting sleeve (34) is movably sleeved on the outside of the fixing sleeve (31); a clamping ring (35) located at one end of the fixing sleeve (31) is rotatably clamped inside the adjusting sleeve (34); a connecting rod (36) is fixedly connected to one side of the clamping ring (35); the other end of the connecting rod (36) extends into the sealing cavity (32) and is connected to the one-way valve assembly (33); and the connecting rod (36) is movably sleeved inside the connecting rod (36).
4. A heat-resistant and wear-resistant stage lighting cable according to claim 3, Features: An air inlet hole is provided on the side of the fixing sleeve (31), and a filter cover (37) is provided on the outer surface of the fixing sleeve (31) at the outer end of the air inlet hole. The air inlet hole is connected to the sealing cavity (32) via a one-way valve assembly (33).
5. The heat-resistant and wear-resistant stage lighting cable according to claim 3, Features: The inside of the adjusting sleeve (34) and one end close to the outer surface of the fixing sleeve (31) are both provided with threads, and the adjusting sleeve (34) is fixedly connected to the fixing sleeve (31) via the threads.
6. The heat-resistant and wear-resistant stage lighting cable according to claim 4, Features: The one-way valve assembly (33) comprises a piston ring (331) and a blocking ring (332) which are movably sleeved inside the sealing cavity (32); a positioning frame (333) located between the piston ring (331) and the blocking ring (332) is fixedly sleeved inside the sealing cavity (32); the piston ring (331) is sealingly sleeved inside the sealing cavity (32), and a gap is left between the outer surface of the blocking ring (332) and the inner wall of the sealing cavity (32).
7. A heat-resistant and wear-resistant stage lighting cable according to claim 6, Features: The positioning frame (333) includes an inner ring and an outer ring, the outer diameter of the inner ring is smaller than the inner diameter of the outer ring, a return spring (334) is connected to the inner ring, and the two ends of the return spring (334) are respectively connected to the inner ring and the blocking ring (332); the outer diameter of the inner ring is larger than the inner diameter of the blocking ring (332), and the inner diameter of the outer ring is smaller than the outer diameter of the blocking ring (332).
8. The heat-resistant and wear-resistant stage lighting cable according to claim 7, Features: An air intake valve cavity (335) is provided inside the outer ring, and the upper and lower ends of the air intake valve cavity (335) are respectively connected to the air intake hole and the sealing cavity (32), and the inner sealing sleeve of the air intake valve cavity (335) is connected to the air intake valve core (336), and a positioning spring (337) located at the bottom of the air intake valve core (336) is provided inside the air intake valve cavity (335); The cross-sections of the inner cavity of the intake valve cavity (335) and the outer surface of the intake valve core (336) are both conical, and the outer diameter of the intake valve core (336) is compatible with the inner diameter of the intake valve cavity (335).