CN216556789U

CN216556789U - Novel industrial and mining lamp

Info

Publication number: CN216556789U
Application number: CN202122275871.2U
Authority: CN
Inventors: 李勤娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-19
Filing date: 2021-09-19
Publication date: 2022-05-17
Anticipated expiration: 2031-09-19

Abstract

The utility model discloses a novel industrial and mining lamp which comprises a heat dissipation shell, wherein a reflecting cover is arranged at the lower end of the heat dissipation shell, a top cover is arranged at the upper end of the heat dissipation shell, a connecting assembly is arranged on the left side of the upper end of the top cover, and the top cover is fixedly connected with the heat dissipation shell through the connecting assembly. By adopting the structure, the industrial and mining lamp can be hung at a high position through the hanging ring, when the industrial and mining lamp needs to be maintained, the industrial and mining lamp can move downwards through the hanging mechanism, so that the height of the industrial and mining lamp is reduced, the maintenance of the industrial and mining lamp is convenient, after the top cover, the reflecting cover and the heat dissipation shell are separated, the connection relation of the top cover, the heat dissipation shell and the reflecting cover can be maintained through the connecting component, the heat dissipation shell and the reflecting cover are prevented from falling and being damaged to influence the use of the industrial and mining lamp, after the maintenance is finished, the hanging mechanism is reused to reset the industrial and mining lamp, so that the high-altitude operation of workers is avoided, and the safety of the workers is ensured.

Description

Novel industrial and mining lamp

Technical Field

The utility model belongs to the field of industrial and mining lamps, and particularly relates to a novel industrial and mining lamp.

Background

The mining lamp, also called high ceiling lamp, is an indoor LED lamp with high energy efficiency, can be widely applied to industrial plants, production workshops, business excesses, sports and entertainment places, warehouses and the like, is an important component of modern industrial illumination, adopts a metal halide lamp in the traditional mining lamp, emits light at 360 degrees, and has the defect of large light loss to cause huge waste of energy, so that the development of a novel LED mining lamp with high efficiency, energy conservation, long service life, high color rendering index and environmental protection has very important significance on national industrial illumination energy conservation, the illumination of the mining lamp is closely related to industrial production, the LED mining lamp gradually enters the visual field of people with the advantages of directional light emission, low power consumption, good driving characteristic, high response speed, high shock resistance, long service life, environmental protection and the like, and the LED light source lamp becomes a new generation of energy-saving light source which most replaces the traditional light source in the world, therefore, the LED mining lamp becomes the best choice for the energy-saving modification of illumination in the illumination field of the traditional large-scale industrial factory building and is also trending.

The mining lamp in the prior art is simple to mount, but is hung at a high position, so that workers are often required to work high above the ground when maintenance is required, the safety of the workers is threatened, and meanwhile, lamp body parts are easy to drop, damage and lose in the maintenance process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel mining lamp, aiming at solving the problems that the mining lamp in the prior art is inconvenient to maintain and is easy to damage and lose accessories during maintenance.

The technical purpose of the utility model is realized by the following technical scheme:

the utility model provides a novel industrial and mining lamp, includes the heat dissipation shell, the lower extreme of heat dissipation shell is provided with the reflector, the upper end of heat dissipation shell is provided with the top cap, the upper end left side of top cap is provided with coupling assembling, the top cap passes through coupling assembling and heat dissipation shell fixed connection, the lower extreme of heat dissipation shell lateral wall also is provided with coupling assembling, the heat dissipation shell passes through coupling assembling and reflector fixed connection, the fixed cover of upper end fixedly connected with of top cap, the upper end laminating of fixed cover is connected with the sleeve, telescopic inside is provided with hangs the mechanism, the sleeve is through hanging mechanism and fixed cover fixed connection, telescopic upper end fixed mounting has rings.

Through adopting above-mentioned technical scheme, can hang the industrial and mining lamp in the eminence through rings, when needing to maintain the industrial and mining lamp, can make industrial and mining lamp downstream through hanging the mechanism, make the high reduction of industrial and mining lamp, be convenient for maintain the industrial and mining lamp, with the top cap, after reflector and heat dissipation shell separation, can maintain the top cap through coupling assembling, the heat dissipation shell, the connection of reflector, avoid the heat dissipation shell, the reflector drops to damage and influences the use of industrial and mining lamp, after the maintenance is accomplished, reuse hang the mechanism with industrial and mining lamp reset can, thereby staff's high altitude construction has been avoided, when guaranteeing staff's safety, the maintenance degree of difficulty of industrial and mining lamp has been reduced.

Further, as preferred technical scheme, coupling assembling includes first solid fixed ring, connects the rope and the solid fixed ring of second, first fixed ring fixed connection is on the left of the upper end of top cap, connect the rope around the outer wall at first solid fixed ring, second fixed ring fixed connection is in the upper end of heat dissipation shell lateral wall, the one end of connecting the rope is around the outer wall at the solid fixed ring of second.

Through adopting above-mentioned technical scheme, through the both ends of connecting the rope respectively with the solid fixed ring of first solid fixed ring, the solid fixed ring wire-wound joint of second, make coupling assembling reach the effect of connecting top cap and heat dissipation shell, and reach the effect of connecting heat dissipation shell and reflector.

Further, as preferred technical scheme, hang the mechanism and include bull stick, take-up pulley, string rope, link and motor, the bull stick rotates the upper end of connecting at the sleeve inner wall, the left end of bull stick outer wall is provided with first spacing subassembly, the right-hand member of bull stick is provided with the spacing subassembly of second, take-up pulley fixed mounting is at the outer wall of bull stick, the string rope is around connecing the outer wall at the take-up pulley, the one end of string rope stretches into the inside of fixed cover, link fixed mounting is in the inside of fixed cover, the one end of string rope is around connecing the outer wall at the link, motor fixed mounting is at telescopic left side wall, the sleeve is run through to the output of motor, the output and the bull stick fixed connection of motor.

By adopting the technical scheme, when the mining lamp needs to move downwards, the rotating rod is driven to rotate by the motor, the position of the rotating rod is stabilized by the first limiting component and the second limiting component, the rotating rod drives the take-up pulley to loosen the hanging rope, so that the mining lamp can slowly descend, after maintenance is completed, the take-up pulley is driven by the motor to bundle the hanging rope, and the hanging rope drives the fixed sleeve to move upwards through the hanging ring, so that the mining lamp can ascend.

Further, as preferred technical scheme, first spacing subassembly includes first stopper and first spacing groove, first stopper fixed mounting is in the left side of bull stick outer wall, the left side at the sleeve inner wall is seted up to first spacing groove, first stopper rotates the inside of connecting at first spacing groove.

Through adopting above-mentioned technical scheme, rotate through first stopper and connect in the inside of first spacing groove, make first spacing subassembly reach the effect of firm bull stick left end position.

Further, as an optimal technical scheme, the second limiting component comprises a second limiting block and a second limiting groove, the second limiting block is fixedly installed at the right end of the rotating rod, the second limiting groove is formed in the right side of the inner wall of the sleeve, and the second limiting block is rotatably connected inside the second limiting groove.

Through adopting above-mentioned technical scheme, rotate through the second stopper and connect in the inside of second spacing groove, make the spacing subassembly of second reach the effect of firm bull stick right-hand member position.

Further, as a preferred technical scheme, a fixed plate is fixedly mounted on the inner wall of the sleeve, an opening is formed in the upper end of the fixed plate, one end of the hanging rope penetrates through the opening, a guide wheel is rotatably connected inside the opening, and the outer wall of the hanging rope is slidably connected with the outer wall of the guide wheel.

Through adopting above-mentioned technical scheme, through the outer wall sliding connection of hanging the outer wall of rope and guide pulley, make the guide pulley can stabilize the rope of hanging in the open-ended inside to make the fixed plate play the effect of stabilizing the rope position of hanging through the opening, avoid hanging the rope and sway the fixed cover of influence and the sleeve butt joint in telescopic inside.

Further, as preferred technical scheme, telescopic right side wall fixed mounting has the balancing weight, the weight of balancing weight is the same with the motor.

Through adopting above-mentioned technical scheme, weight through the balancing weight is the same with the motor, makes the balancing weight play the telescopic effect of balancing, avoids sleeve slope to influence the position of industrial and mining lamp.

Further, as a preferred technical scheme, a plug is fixedly mounted at the upper end of the inner wall of the fixed sleeve, the upper end of the plug is inserted into the sleeve, and one end of the hanging rope penetrates through the plug.

Through adopting above-mentioned technical scheme, peg graft in telescopic inside through the upper end of plug, fixed cover and telescopic butt joint can be convenient for, the hookup location of sleeve and fixed cover can be stabilized simultaneously, avoids sleeve and fixed cover position that the dislocation influences industrial and mining lamp to appear.

In summary, the utility model mainly has the following beneficial effects:

firstly, the industrial and mining lamp can be hung at a high position through the hanging ring, when the industrial and mining lamp needs to be maintained, the industrial and mining lamp can move downwards through the hanging mechanism, so that the height of the industrial and mining lamp is reduced, the maintenance of the industrial and mining lamp is convenient, after the top cover, the reflecting cover and the radiating shell are separated, the connection relation of the top cover, the radiating shell and the reflecting cover can be maintained through the connecting component, the radiating shell and the reflecting cover are prevented from falling and being damaged to influence the use of the industrial and mining lamp, after the maintenance is finished, the hanging mechanism is reused to reset the industrial and mining lamp, so that the high-altitude operation of workers is avoided, the safety of the workers is guaranteed, and meanwhile, the maintenance difficulty of the industrial and mining lamp is reduced;

and secondly, when the mining lamp needs to move downwards, the rotating rod is driven to rotate by the motor, the position of the rotating rod is stabilized by the first limiting assembly and the second limiting assembly, the rotating rod drives the take-up pulley to loosen the hanging rope, so that the mining lamp can slowly descend, after maintenance is completed, the take-up pulley is driven by the motor to collect the hanging rope, and the hanging rope drives the fixed sleeve to move upwards through the hanging ring, so that the mining lamp can ascend.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic view of the hanging mechanism of the present invention;

FIG. 4 is an enlarged view of section A of the present invention;

fig. 5 is an enlarged view of the portion B of the present invention.

Reference numerals: 1. heat dissipation shell, 2, the reflector, 3, the top cap, 4, coupling assembling, 41, first solid fixed ring, 42, connect the rope, 43, the solid fixed ring of second, 5, fixed cover, 51, the plug, 6, the sleeve, 61, the fixed plate, 611, the opening, 612, the guide pulley, 62, the balancing weight, 7, hang the mechanism, 71, the bull stick, 72, the take-up pulley, 73, hang the rope, 74, the link, 75, the motor, 76, first spacing subassembly, 761, first spacing block, 762, first spacing groove, 77, the spacing subassembly of second, 771, second spacing block, 772, the spacing groove of second, 8, rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-5, the novel industrial and mining lamp according to this embodiment includes a heat dissipation housing 1, a reflector 2 is disposed at a lower end of the heat dissipation housing 1, a top cap 3 is disposed at an upper end of the heat dissipation housing 1, a connection assembly 4 is disposed on a left side of an upper end of the top cap 3, the top cap 3 is fixedly connected to the heat dissipation housing 1 through the connection assembly 4, the connection assembly 4 is also disposed at a lower end of a side wall of the heat dissipation housing 1, the heat dissipation housing 1 is fixedly connected to the reflector 2 through the connection assembly 4, a fixing sleeve 5 is fixedly connected to an upper end of the top cap 3, a sleeve 6 is attached to an upper end of the fixing sleeve 5, a hanging mechanism 7 is disposed inside the sleeve 6, the sleeve 6 is fixedly connected to the fixing sleeve 5 through the hanging mechanism 7, and a hanging ring 8 is fixedly mounted at an upper end of the sleeve 6; can hang industrial and mining lamp in the eminence through rings 8, when needing to maintain industrial and mining lamp, can make industrial and mining lamp move down through hanging mechanism 7, make the high reduction of industrial and mining lamp, be convenient for maintain industrial and mining lamp, with top cap 3, reflector 2 and heat dissipation shell 1 separation back, can maintain top cap 3 through coupling assembling 4, heat dissipation shell 1, the relation of connection of reflector 2, avoid heat dissipation shell 1, reflector 2 drops and damages the use that influences industrial and mining lamp, after the maintenance is accomplished, reuse hang mechanism 7 with industrial and mining lamp reset can.

Example 2

Referring to fig. 2, on the basis of embodiment 1, in order to achieve the purpose of connecting the top cover 3 with the heat dissipation housing 1 and connecting the heat dissipation housing 1 with the reflector 2, the present embodiment innovatively designs the connection assembly 4, specifically, the connection assembly 4 includes a first fixing ring 41, a connection rope 42 and a second fixing ring 43, the first fixing ring 41 is fixedly connected to the left side of the upper end of the top cover 3, the connection rope 42 is wound on the outer wall of the first fixing ring 41, the second fixing ring 43 is fixedly connected to the upper end of the side wall of the heat dissipation housing 1, and one end of the connection rope 42 is wound on the outer wall of the second fixing ring 43; the two ends of the connecting rope 42 are respectively connected with the first fixing ring 41 and the second fixing ring 43 in a winding manner, so that the connecting assembly 4 achieves the effect of connecting the top cover 3 with the heat dissipation shell 1 and achieves the effect of connecting the heat dissipation shell 1 with the reflector 2.

Example 3

Referring to fig. 3, in the present embodiment, on the basis of embodiment 2, in order to achieve the purpose of adjusting the height of the mining lamp, the present embodiment is an innovative design of the hanging mechanism 7, specifically, the hanging mechanism 7 includes a rotating rod 71 and a take-up pulley 72, the cable winding device comprises a hanging rope 73, a hanging ring 74 and a motor 75, a rotating rod 71 is rotatably connected to the upper end of the inner wall of a sleeve 6, a first limiting component 76 is arranged at the left end of the outer wall of the rotating rod 71, a second limiting component 77 is arranged at the right end of the rotating rod 71, a winding wheel 72 is fixedly installed on the outer wall of the rotating rod 71, the hanging rope 73 is wound on the outer wall of the winding wheel 72, one end of the hanging rope 73 extends into the fixing sleeve 5, the hanging ring 74 is fixedly installed in the fixing sleeve 5, one end of the hanging rope 73 is wound on the outer wall of the hanging ring 74, the motor 75 is fixedly installed on the left side wall of the sleeve 6, the output end of the motor 75 penetrates through the sleeve 6, and the output end of the motor 75 is fixedly connected with the rotating rod 71; when the mining lamp needs to move downwards, the motor 75 drives the rotating rod 71 to rotate, the position of the rotating rod 71 is stabilized through the first limiting component 76 and the second limiting component 77, the rotating rod 71 drives the wire take-up wheel 72 to loosen the hanging rope 73, the mining lamp can slowly descend, after maintenance is completed, the motor 75 drives the wire take-up wheel 72 to collect the hanging rope 73, and the hanging rope 73 drives the fixing sleeve 5 to move upwards through the hanging ring 74, so that the mining lamp can ascend.

Referring to fig. 4, in order to stabilize the position of the left end of the rotating rod 71, the first limiting assembly 76 of this embodiment includes a first limiting block 761 and a first limiting groove 762, the first limiting block 761 is fixedly installed on the left side of the outer wall of the rotating rod 71, the first limiting groove 762 is opened on the left side of the inner wall of the sleeve 6, and the first limiting block 761 is rotatably connected inside the first limiting groove 762; the first limiting block 761 is rotatably connected to the inside of the first limiting groove 762, so that the first limiting assembly 76 can stabilize the left end of the rotating rod 71.

Referring to fig. 5, in order to stabilize the right end of the rotating rod 71, the second limiting component 77 of this embodiment includes a second limiting block 771 and a second limiting groove 772, the second limiting block 771 is fixedly installed at the right end of the rotating rod 71, the second limiting groove 772 is disposed at the right side of the inner wall of the sleeve 6, and the second limiting block 771 is rotatably connected inside the second limiting groove 772; the second limiting block 771 is rotatably connected to the inside of the second limiting groove 772, so that the second limiting component 77 can stabilize the right end of the rotating rod 71.

Referring to fig. 3, in order to achieve the purpose of stabilizing the position of the hanging rope 73, the fixing plate 61 is fixedly installed on the inner wall of the sleeve 6 of the embodiment, an opening 611 is formed in the upper end of the fixing plate 61, one end of the hanging rope 73 penetrates through the opening 611, a guide wheel 612 is rotatably connected inside the opening 611, and the outer wall of the hanging rope 73 is slidably connected with the outer wall of the guide wheel 612; through the outer wall sliding connection of the hanging rope 73 and the outer wall of the guide wheel 612, the guide wheel 612 can stabilize the hanging rope 73 in the opening 611, so that the fixing plate 61 plays a role in stabilizing the position of the hanging rope 73 through the opening 611, and the fixed sleeve 5 is prevented from being influenced by the swinging of the hanging rope 73 in the sleeve 6 to be butted with the sleeve 6.

Referring to fig. 3, for the purpose of balancing the sleeve 6, a counterweight 62 is fixedly installed on the right side wall of the sleeve 6 of the embodiment, and the weight of the counterweight 62 is the same as that of the motor 75; the weight of the balancing weight 62 is the same as that of the motor 75, so that the balancing weight 62 plays a role in balancing the sleeve 6, and the sleeve 6 is prevented from being inclined to influence the position of the mining lamp.

Referring to fig. 3, in order to stabilize the connection position of the sleeve 6 and the fixing sleeve 5, a plug 51 is fixedly mounted at the upper end of the inner wall of the fixing sleeve 5 in the embodiment, the upper end of the plug 51 is inserted into the sleeve 6, and one end of a hanging rope 73 penetrates through the plug 51; the upper end of the plug 51 is inserted into the sleeve 6, so that the fixed sleeve 5 can be conveniently butted with the sleeve 6, the connecting position of the sleeve 6 and the fixed sleeve 5 can be stabilized, and the position of the mining lamp is prevented from being influenced by the dislocation of the sleeve 6 and the fixed sleeve 5.

The use principle and the advantages are as follows: the mining lamp can be hung at a high position through the hanging ring 8, the position of the sleeve 6 is stabilized through the balancing weight 62, the sleeve 6 is kept balanced, when the mining lamp needs to be maintained, the mining lamp can move downwards through the hanging mechanism 7, the rotating rod 71 is driven to rotate through the motor 75 and is rotatably connected inside the first limiting groove 762 through the first limiting block 761, the left end position of the rotating rod 71 is stabilized by the first limiting component 76, the left end position of the rotating rod 71 is rotatably connected inside the second limiting groove 772 through the second limiting block 771, the position of the right end of the rotating rod 71 is stabilized by the second limiting component 77, the rotating rod 71 drives the take-up pulley 72 to loosen the hanging rope 73, the hanging rope 73 is stabilized inside the opening 611 through the guide pulley 612, the position of the hanging rope 73 inside the sleeve 6 can be stabilized through the opening 611 by the fixing plate 61, the mining lamp can achieve the slow descending effect, and after the height of the mining lamp is reduced, can be convenient for maintain industrial and mining lamp, after with top cap 3, reflector 2 and heat dissipation shell 1 separation, both ends through connecting rope 42 respectively with first solid fixed ring 41, the solid fixed ring 43 wire-wound of second, make coupling assembling 4 can maintain top cap 3, heat dissipation shell 1, the relation of connection of reflector 2, avoid heat dissipation shell 1, reflector 2 drops to damage the use that influences industrial and mining lamp, after the maintenance is accomplished, drive through motor 75, make take-up pulley 72 receive a bundle string rope 73, string rope 73 drives fixed cover 5 rebound through link 74, and make the upper end of plug 51 peg graft in the inside of sleeve 6 in the removal process, reach the effect that firm sleeve 6 is connected with fixed cover 5, can reach the effect that makes industrial and mining lamp rise, thereby avoided staff high altitude construction, when guaranteeing staff's safety, the maintenance degree of difficulty of industrial and mining lamp has been reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel industrial and mining lamp which characterized in that: comprises a heat dissipation shell (1), a reflecting shade (2) is arranged at the lower end of the heat dissipation shell (1), a top cover (3) is arranged at the upper end of the heat dissipation shell (1), a connecting component (4) is arranged on the left side of the upper end of the top cover (3), the top cover (3) is fixedly connected with the heat dissipation shell (1) through a connecting component (4), the lower end of the side wall of the heat dissipation shell (1) is also provided with a connecting component (4), the heat dissipation shell (1) is fixedly connected with the reflector (2) through a connecting component (4), the upper end of the top cover (3) is fixedly connected with a fixed sleeve (5), the upper end of the fixed sleeve (5) is connected with a sleeve (6) in a fitting manner, the inside of sleeve (6) is provided with hangs mechanism (7), sleeve (6) are through hanging mechanism (7) and fixed cover (5) fixed connection, the upper end fixed mounting of sleeve (6) has rings (8).

2. The novel industrial and mining lamp as claimed in claim 1, wherein: coupling assembling (4) include first solid fixed ring (41), connect rope (42) and the solid fixed ring of second (43), first solid fixed ring (41) fixed connection is on the left of the upper end of top cap (3), connect rope (42) wire-wound joint at the outer wall of first solid fixed ring (41), the solid fixed ring of second (43) fixed connection is in the upper end of heat dissipation shell (1) lateral wall, the one end of connecting rope (42) is around the outer wall that connects at the solid fixed ring of second (43).

3. The novel industrial and mining lamp as claimed in claim 1, wherein: the hanging mechanism (7) comprises a rotating rod (71), a take-up pulley (72), a hanging rope (73), a hanging ring (74) and a motor (75), the rotating rod (71) is rotatably connected to the upper end of the inner wall of the sleeve (6), a first limiting component (76) is arranged at the left end of the outer wall of the rotating rod (71), a second limiting component (77) is arranged at the right end of the rotating rod (71), the take-up pulley (72) is fixedly installed on the outer wall of the rotating rod (71), the hanging rope (73) is wound on the outer wall of the take-up pulley (72), one end of the hanging rope (73) extends into the inner part of the fixed sleeve (5), the hanging ring (74) is fixedly installed in the inner part of the fixed sleeve (5), one end of the hanging rope (73) is wound on the outer wall of the hanging ring (74), the motor (75) is fixedly installed on the left side wall of the sleeve (6), and the output end of the motor (75) penetrates through the sleeve (6), the output end of the motor (75) is fixedly connected with the rotating rod (71).

4. The novel industrial and mining lamp as claimed in claim 3, wherein: first spacing subassembly (76) include first stopper (761) and first spacing groove (762), first stopper (761) fixed mounting is in the left side of bull stick (71) outer wall, the left side at sleeve (6) inner wall is seted up in first spacing groove (762), first stopper (761) rotate the inside of connecting in first spacing groove (762).

5. The novel industrial and mining lamp as claimed in claim 3, wherein: the second limiting component (77) comprises a second limiting block (771) and a second limiting groove (772), the second limiting block (771) is fixedly installed at the right end of the rotating rod (71), the second limiting groove (772) is formed in the right side of the inner wall of the sleeve (6), and the second limiting block (771) is rotatably connected to the inside of the second limiting groove (772).

6. The novel industrial and mining lamp as claimed in claim 3, wherein: the inner wall of the sleeve (6) is fixedly provided with a fixing plate (61), the upper end of the fixing plate (61) is provided with an opening (611), one end of the hanging rope (73) penetrates through the opening (611), the inside of the opening (611) is rotatably connected with a guide wheel (612), and the outer wall of the hanging rope (73) is slidably connected with the outer wall of the guide wheel (612).

7. A new industrial and mining lamp, according to any of claims 1 and 3, characterized in that: the right side wall of sleeve (6) is fixed with balancing weight (62), the weight of balancing weight (62) is the same with motor (75).

8. The novel industrial and mining lamp as claimed in claim 3, wherein: the upper end of the inner wall of the fixed sleeve (5) is fixedly provided with a plug (51), the upper end of the plug (51) is inserted into the sleeve (6), and one end of the hanging rope (73) penetrates through the plug (51).