CN220421034U

CN220421034U - Broadcast loudspeaker transmission line

Info

Publication number: CN220421034U
Application number: CN202321961455.0U
Authority: CN
Inventors: 陈建
Original assignee: Guangdong Yuanyang Cable Technology Co ltd
Current assignee: Guangdong Yuanyang Cable Technology Co ltd
Priority date: 2023-07-25
Filing date: 2023-07-25
Publication date: 2024-01-30
Anticipated expiration: 2033-07-25

Abstract

The utility model relates to the technical field of transmission lines, in particular to a broadcast horn transmission line, which comprises a first plug and a second plug, wherein the first plug and the second plug are connected through a line body assembly, a fixing assembly is sleeved outside the second plug, one end of the fixing assembly, which is far away from the second plug, is sleeved on the periphery of the line body assembly, the line body assembly is used for signal transmission and shielding between the first plug and the second plug, the fixing assembly is used for fixing after the second plug is inserted, a thread sleeve is connected with the outer side of the second plug in a threaded manner, a root pin is arranged at the joint of the second plug and the line body assembly, an inner protection ring is fixedly connected with the periphery of one end of the root pin of the second plug, the thread sleeve pushes a limiting sleeve to enable a sucker to be adsorbed outside equipment, the second plug cannot be separated from the equipment, the inner protection ring and the outer ring are arranged in a flap-shaped rubber-like manner, and the line body assembly cannot receive too large tensile force and local deformation when the line body assembly is bent.

Description

Broadcast loudspeaker transmission line

Technical Field

The utility model relates to the technical field of transmission lines, in particular to a broadcast horn transmission line.

Background

The broadcast horn transmission line, also called the acoustic line, is the carrier for conducting information. These wires can hold the device connected and transmit information. The line body live time has been for a long time, and plug and line body junction can be because long-term buckling, the condition of damage appears, and the transmission of damage signal will be influenced if the outside shielding layer of sinle silk appears after the line body is damaged. If the wire core of the wire body is broken, the phenomenon of poor transmission and even incapacity of working can occur. At present, a conical sheath is arranged at the joint of the plug and the wire body, but the joint between the wire body and the conical sheath is also hard-connected, so that the wire body can be damaged after a plurality of times of bending, the plugs at two ends of the transmission line are part of the transmission line, the phenomenon of loose connection between the plugs and equipment can occur when the plugs are plugged and pulled for a plurality of times, if the loudspeaker is used for a long time, the plugs can fall off, and the use of the loudspeaker is influenced.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a broadcast horn transmission line.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a broadcast loudspeaker transmission line, includes first plug and second plug, first plug and second plug are connected through the line body subassembly, second plug outside cover is equipped with fixed subassembly, fixed subassembly keeps away from the one end cover of second plug and establishes the line body subassembly periphery, the line body subassembly is used for signal transmission and shielding between first plug and the second plug, fixed subassembly is used for the second plug to peg graft the fixed after, second plug outside threaded connection has the screw sleeve, the junction of second plug and line body subassembly is provided with the root foot, the second plug is at the periphery fixedly connected with inner protection circle of root foot one end.

Further, the wire body assembly comprises an outer rubber layer, a braided shielding layer, a filling layer, an aluminum foil shielding layer and a wire core, wherein the braided shielding layer is arranged on the inner side of the outer rubber layer, the filling layer is arranged in the braided shielding layer, the aluminum foil shielding layer is arranged on the inner side of the filling layer, three wire cores are arranged on the inner side of the aluminum foil shielding layer, and polyethylene is coated on the outer side of each wire core.

Further, the braided shielding layer is formed by braiding upper and lower plain cotton wires.

Further, the filling layer is made of polyvinyl chloride.

Further, fixed subassembly is including stop collar, rubber pole, sucking disc, rubber rope, sliding sleeve, outer guard ring, stop collar sliding connection is in the second plug periphery, one side that the stop collar is far away from the line body subassembly sets up for half surrounding groove, evenly distributed a plurality of rubber poles in the recess, rubber pole is kept away from equal fixedly connected with sucking disc of stop collar one end, stop collar is close to line body subassembly one side periphery evenly distributed and has the rubber rope, the equal fixedly connected with in the one end outside of sliding sleeve of one end that the stop collar was kept away from to the rubber rope, the other end fixedly connected with outer guard ring of sliding sleeve.

Further, the limit sleeve is arranged on one side of the thread sleeve, and the thread sleeve is close to the wire body assembly.

Further, the sliding sleeve is connected to the outer side of one end, close to the wire body assembly, of the second plug in a sliding mode.

Further, the outer protective ring is sleeved on the periphery of the wire body assembly, the inner edge of the outer protective ring is smaller than or equal to the periphery of the inner protective ring, and one ends of the outer protective ring and the inner protective ring, which are close to the wire body assembly, are respectively in a petal shape and are distributed in a staggered manner.

The utility model has the following beneficial effects: according to the utility model, after the second plug and the equipment are inserted, the threaded sleeve is screwed, the threaded sleeve pushes the limit sleeve to enable the sucker to be adsorbed outside the equipment, so that after the second plug and the equipment are connected, the second plug cannot be separated from the equipment during vibration, long-term use of the equipment is guaranteed to be good, after the fixed component is adsorbed on the equipment, the sliding sleeve slides on the second plug to enable the outer protection ring to be sleeved outside the inner protection ring, meanwhile, the inner protection ring and the outer protection ring are arranged in a flap-shaped rubber-like manner, and when the wire body component is bent, the wire body component cannot receive too large tensile force and local deformation, so that the wire body component can be deformed slowly in a large radian, long-term use of the wire body component cannot be damaged, and the service performance of the transmission line is guaranteed to be stable.

Drawings

FIG. 1 is a plan view of the present utility model;

FIG. 2 is a cross-sectional view of a wire body assembly of the present utility model;

FIG. 3 is a perspective view of a securing assembly of the present utility model;

fig. 4 is an enlarged view at a in fig. 1.

In the figure: 1. a first plug; 2. a wire body assembly; 3. braiding a shielding layer; 4. a filling layer; 5. a wire core; 6. an outer guard ring; 7. a sliding sleeve; 8. an inner guard ring; 9. root feet; 10. a rubber rope; 11. a thread sleeve; 12. a limit sleeve; 13. a rubber rod; 14. a suction cup; 15. an outer rubber; 16. an aluminum foil shielding layer; 17. a second plug; 18. and fixing the assembly.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model relates to a broadcast horn transmission line, which comprises a first plug 1 and a second plug 17, wherein the first plug 1 and the second plug 17 are connected through a line body assembly 2, the first plug 1 and the second plug 17 are connected with each other, the line body assembly 2 can ensure signal transmission between devices, the line body assembly 2 can well transmit signals and shield mixed signals as a common line body, the stability of signal transmission is ensured, a fixing assembly 18 is sleeved outside the second plug 17, one end of the fixing assembly 18, which is far away from the second plug 17, is sleeved on the periphery of the line body assembly 2, the fixing assembly 18 is used for fixing the second plug 17 on the device, because the plugs of the related devices of the loudspeaker box are embedded on a shell, the shell is generally smooth, the sucker 14 in the fixing assembly 18 can adapt to the adsorption of the devices, meanwhile, the wire body component 2 can have good adhesive force, the wire body component 2 is used for signal transmission and shielding between the first plug 1 and the second plug 17, the fixing component 18 is used for fixing the second plug 17 after being plugged, the outer side of the second plug 17 is connected with the threaded sleeve 11 in a threaded manner, the joint of the second plug 17 and the wire body component 2 is provided with the root pin 9, the joint of the conventional transmission line and the plug is provided with the root pin 9, the root pin 9 mainly aims to ensure that the wire body component 2 is not damaged due to bending when the second plug 17 and the wire body component 2 are bent, but the radius of bending of the wire body component 2 is particularly small due to the arrangement of the root pin 9, so that the local tension of the wire body component 2 is increased and damaged due to the bending of the small radius, so that in order to avoid the damage of the wire body component 2, the wire body component 2 can be designed to have larger bending radius when being bent, therefore, the bent wire body assembly 2 can be prevented from being damaged due to large local tension, the inner protection ring 8 is a structure for increasing the bending radius of the wire body assembly 2, and the outer periphery of one end of the root pin 9 of the second plug 17 is fixedly connected with the inner protection ring 8.

Referring to fig. 1-3, in the utility model, a wire body assembly 2 comprises an outer rubber 15, a braiding shielding layer 3, a filling layer 4, an aluminum foil shielding layer 16 and a wire core 5, wherein the braiding shielding layer 3 is arranged on the inner side of the outer rubber 15, the outer rubber 15 is made of common polyethylene or styrene-butadiene rubber and belongs to the material of a conventional transmission line, the filling layer 4 is arranged in the braiding shielding layer 3, the filling layer 4 can be filled with polyurethane or cotton wires and the like, the expansion of the transmission line can be increased, the damage of the inner shielding layer or the wire core 5 of the wire body assembly 2 during bending is avoided, the aluminum foil shielding layer 16 is arranged on the inner side of the filling layer 4, three wire cores 5 are arranged on the inner side of the aluminum foil shielding layer 16, the outer side of the wire core 5 is coated with polyethylene, the braiding shielding layer 3 is formed by braiding one upper plain cotton wire and one lower plain weave of the braiding shielding layer 3 can be tinned copper sheets, and the filling layer 4 is made of polyvinyl chloride.

Referring to fig. 1-3, in the utility model, the fixing component 18 comprises a limit sleeve 12, a rubber rod 13, a sucker 14, a rubber rope 10, a sliding sleeve 7 and an outer protective ring 6, the fixing component 18 is not necessarily arranged on a second plug 17, but also can be arranged on a plug of connecting equipment for protecting a wire body and the plug, the limit sleeve 12 is slidably connected on the periphery of the second plug 17, one side of the limit sleeve 12 far away from the wire body component 2 is provided with a semi-surrounding groove, a plurality of rubber rods 13 are uniformly distributed in the groove, the mutual connection of the rubber rods 13 and the sucker 14 can increase the buffer performance of the fixing component 18, the buffer force of the fixing component under bending force is improved, the good performance of the fixing component is ensured, one end of the rubber rod 13 far away from the limit sleeve 12 is fixedly connected with the sucker 14, the periphery of one side of the limit sleeve 12 near the wire body component 2 is uniformly distributed with the rubber rope 10, the rubber rope 10 can connect the sliding sleeve 7 and the limiting sleeve 12 to ensure certain buffer performance while being mutually connected, the fixing and limiting of the fixing assembly 18 are ensured, one end of the rubber rope 10, which is far away from the limiting sleeve 12, is fixedly connected with the outer side of one end of the sliding sleeve 7, the other end of the sliding sleeve 7 is fixedly connected with the outer protecting ring 6, the limiting sleeve 12 is arranged on one side of the threaded sleeve 11, the threaded sleeve 11 is close to the wire body assembly 2, the sliding sleeve 7 is slidingly connected with the outer side of the second plug 17, which is close to one end of the wire body assembly 2, the outer protecting ring 6 is sleeved on the periphery of the wire body assembly 2, the inner edge of the outer protecting ring 6 is smaller than or equal to the outer periphery of the inner protecting ring 8, one ends of the outer protecting ring 6 and the inner protecting ring 8, which are close to the wire body assembly 2, are in a petal shape and are distributed in a staggered manner, and the staggered petal-shaped structure can ensure that the inner protecting ring 8 and the outer ring 6 are limited in a staggered manner, after the wire body assembly 2 is subjected to force, the wire body assembly can have a large radius, so that the wire body assembly cannot be bent obviously, and good usability of the wire body assembly is ensured.

Working principle: when the broadcast loudspeaker transmission line is used, the second plug 17 is inserted on the equipment, the first plug 1 is inserted on the equipment, then, the threaded sleeve 11 is screwed, the threaded sleeve 11 pushes the limit sleeve 12 to enable the sucker 14 to be adsorbed outside the equipment, so that after the second plug 17 is connected with the equipment, the second plug 17 cannot be separated from the equipment when the equipment vibrates, long-term use contact of the second plug 17 is guaranteed to be good, after the fixing assembly 18 is adsorbed on the equipment, the sliding sleeve 7 slides on the second plug 17 to enable the outer protective ring 6 to be sleeved on the outer side of the inner protective ring 8, meanwhile, the inner protective ring 8 and the outer protective ring 6 are arranged in a flap-like manner, too large pulling force and local deformation cannot be received when the wire body assembly 2 is bent, the wire body assembly 2 can be deformed slowly in a large radian, long-term use of the wire body assembly 2 cannot be damaged, and the use performance of the transmission line is guaranteed to be stable.

The above embodiments are preferred embodiments of the present utility model, and all similar structures and equivalent modifications are intended to fall within the scope of the present utility model.

Claims

1. A broadcast horn transmission line comprising a first plug (1) and a second plug (17), characterized in that: the utility model discloses a wire body assembly, including first plug (1) and second plug (17), wire body assembly (2) are connected, second plug (17) outside cover is equipped with fixed subassembly (18), fixed subassembly (18) are kept away from the one end cover of second plug (17) and are established wire body assembly (2) periphery, wire body assembly (2) are used for signal transmission and shielding between first plug (1) and second plug (17), fixed subassembly (18) are used for the fixed after second plug (17) are pegged graft, threaded sleeve (11) are connected with in second plug (17) outside screw thread, the junction of second plug (17) and wire body assembly (2) is provided with root foot (9), second plug (17) are in root foot (9) periphery fixedly connected with inner ring (8).

2. A broadcast horn transmission line as claimed in claim 1, wherein: the wire body subassembly (2) is including outer rubber (15), braided shield layer (3), filling layer (4), aluminium foil shielding layer (16) and sinle silk (5), outer rubber (15) inboard is provided with braided shield layer (3), be provided with filling layer (4) in braided shield layer (3), filling layer (4) inboard is provided with aluminium foil shielding layer (16), aluminium foil shielding layer (16) inboard is provided with three sinle silk (5), all cladding has polyethylene in sinle silk (5) outside.

3. A broadcast horn transmission line as claimed in claim 2, wherein: the braiding shielding layer (3) is formed by braiding upper and lower plain cotton threads.

4. A broadcast horn transmission line as claimed in claim 2, wherein: the filling layer (4) is made of polyvinyl chloride.

5. A broadcast horn transmission line as claimed in claim 1, wherein: fixed subassembly (18) is including stop collar (12), rubber pole (13), sucking disc (14), rubber rope (10), sliding sleeve (7), outer protection collar (6), stop collar (12) sliding connection is in second plug (17) periphery, one side that stop collar (12) are far away from body subassembly (2) is half surrounding groove setting, evenly distributed a plurality of rubber poles (13) in the recess, rubber pole (13) are kept away from equal fixedly connected with sucking disc (14) of stop collar (12) one end, stop collar (12) are close to wire body subassembly (2) one side periphery evenly distributed and have rubber rope (10), the equal fixed connection in the one end outside of sliding sleeve (7) of one end that stop collar (12) was kept away from to rubber rope (10), the other end fixedly connected with outer protection collar (6) of sliding sleeve (7).

6. A broadcast horn transmission line as defined in claim 5, wherein: the limiting sleeve (12) is arranged on one side of the thread sleeve (11), and the thread sleeve (11) is close to the wire body assembly (2).

7. A broadcast horn transmission line as defined in claim 5, wherein: the sliding sleeve (7) is connected to the outer side of one end, close to the wire body assembly (2), of the second plug (17) in a sliding mode.

8. A broadcast horn transmission line as defined in claim 5, wherein: the outer protection ring (6) is sleeved on the periphery of the wire body assembly (2), the inner edge of the outer protection ring (6) is smaller than or equal to the periphery of the inner protection ring (8), and one ends of the outer protection ring (6) and the inner protection ring (8) close to the wire body assembly (2) are in a petal shape and distributed in a staggered mode.