CN215381776U

CN215381776U - Conveniently dismantle ear protection pad for helmet of change

Info

Publication number: CN215381776U
Application number: CN202121610919.4U
Authority: CN
Inventors: 毕锋
Original assignee: Dongguan Bokai Sporting Goods Co ltd
Current assignee: Dongguan Bokai Sporting Goods Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-01-04
Anticipated expiration: 2031-07-15

Abstract

The utility model discloses an ear protection pad for a helmet, which is convenient to disassemble and replace and comprises a helmet shell, wherein an object placing groove is formed in the inner side wall of the helmet shell, a fixing ring is connected in the object placing groove in a sliding manner, one side of the fixing ring penetrates through the object placing groove and is fixedly connected with a rubber ring, one side of the rubber ring, which is far away from the fixing ring, is fixedly connected with a sponge ring, one side of the fixing ring, which is far away from the rubber ring, is fixedly connected with two symmetrically arranged connecting blocks, a connecting groove corresponding to the connecting blocks is formed in the inner side wall of the object placing groove, one end, which is far away from the fixing ring, of each connecting block extends into the corresponding connecting groove, one end, which is far away from the fixing ring, of each connecting block is provided with an inserting hole, a sliding rod is inserted in the inserting hole and is fixedly connected with the inner side wall of the corresponding connecting groove, and a spring is sleeved on the sliding rod. The elastic support and the adjusting mechanism are arranged, so that the comfort level of the ear part when the helmet is worn can be improved, and the helmet is convenient to disassemble, assemble, clean and replace.

Description

Conveniently dismantle ear protection pad for helmet of change

Technical Field

The utility model relates to the technical field of helmets, in particular to an ear protection pad for a helmet, which is convenient to disassemble and replace.

Background

The helmet is a harness for protecting the head, is a hat worn by soldiers during training and battle, is an indispensable tool in people's traffic, and is divided into a military helmet, a police helmet, a civil helmet and the like; it is in a semicircular shape and mainly comprises a shell, a lining and a suspension device; the shell is made of special steel, glass fiber reinforced plastic, leather, nylon and other materials to resist the head injury caused by bullets, shrapnel and other striking objects, and the ancient Chinese characters are armature, head armor, pocket an ancient pot or head an ancient pot.

But the comfort level at ear position when current helmet improves to wear through the foam-rubber cushion mostly, and the foam-rubber cushion is fixed on the inner wall of helmet shell mostly, and elasticity is limited, the comfort level is lower, and unable dismouting washs the change.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an ear protection pad for a helmet, which is convenient to disassemble and replace, and aims to solve the problems that the comfort level of ear parts of the helmet is improved by sponge pads mostly, the sponge pads are mostly fixed on the inner wall of a helmet shell, the elasticity is limited, the comfort level is low, and the sponge pads cannot be disassembled, assembled and replaced for cleaning and replacement.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an ear protection pad for a helmet convenient to disassemble and replace comprises a helmet shell, wherein an object placing groove is formed in the inner side wall of the helmet shell, a fixing ring is connected in the object placing groove in a sliding mode, one side of the fixing ring penetrates through the object placing groove and is fixedly connected with a rubber ring, one side, away from the fixing ring, of the rubber ring is fixedly connected with a sponge ring, one side, away from the rubber ring, of the fixing ring is fixedly connected with two symmetrically arranged connecting blocks, a connecting groove corresponding to the connecting blocks is formed in the inner side wall of the object placing groove, one end, away from the fixing ring, of the connecting block extends into the connecting groove, an inserting hole is formed in one end, away from the fixing ring, of the connecting block, a sliding rod is inserted in the inserting hole in a sliding mode, one end of the sliding rod penetrates through the inserting hole and is fixedly connected with the inner side wall, a spring is sleeved on the sliding rod, two ends of the spring respectively abut against the connecting block and the inner side wall of the connecting groove, the inner side wall of the connecting groove is provided with a slot, a limiting block is inserted in the slot in a sliding way, the side wall of the connecting block is provided with a sliding groove corresponding to the limiting block, one end of the limiting block penetrates through the slot and extends into the chute, the other end of the limiting block is inserted with a screw rod, the screw rod is in threaded connection with the limiting block, an installation groove is arranged on the inner side wall of the object placing groove, the mounting groove is positioned between the two connecting grooves, a turbine is arranged in the mounting groove, one end of the screw rod, which is far away from the limiting block, penetrates through the helmet shell and is fixedly connected with the turbine, the screw rod is rotatably connected with the helmet shell, a worm meshed with the turbine is arranged in the mounting groove, the helmet shell is characterized in that a placing groove is formed in the outer side wall of the helmet shell, a rotary disc is arranged in the placing groove, one end of the worm penetrates through the helmet shell and is fixedly connected with the rotary disc, and the worm is rotatably connected with the helmet shell.

Preferably, the side wall of the limiting block is provided with a first groove, the first groove is connected with a roller in a rotating mode, a fixing rod is connected in the roller in a rotating mode, and two ends of the fixing rod penetrate through the roller respectively and are connected with the opposite side wall in the first groove in a rotating mode.

Preferably, a plurality of second grooves are formed in the outer side wall of the fixing ring, balls are rotationally connected to the second grooves, and the balls abut against the inner side wall of the storage groove.

Preferably, the screw rod is rotatably sleeved with two first stabilizing rings, and the first stabilizing rings are fixedly connected with the inner side wall of the mounting groove.

Preferably, a handle is fixedly connected to the outer side wall of the turntable.

Has the advantages that:

1. when in use, firstly the fixing ring is put into the object placing groove, meanwhile, the connecting block is inserted into the connecting groove and is abutted against the spring, meanwhile, the sliding rod is extended into the inserting hole, then the rotating disc is rotated clockwise to drive the worm to rotate, the screw rod is driven to rotate by the meshing action of the worm and the turbine, the screw rod drives the limiting block to move by the meshing action of the screw threads, the limiting block is moved into the sliding groove, the connecting block can be prevented from loosening by matching the limiting block with the sliding groove, meanwhile, the connecting block has a certain displacement space, after a user wears the helmet shell, ears are positioned in the fixing ring, the rubber ring and the sponge ring, so that the ears are prevented from being extruded, meanwhile, the spring plays an elastic supporting role on the fixing ring through the connecting block, the fixing ring is used for elastically supporting the peripheries of the ears, the comfort degree of the peripheries is improved through the rubber ring and the sponge ring, when the helmet shell is disassembled, the rotating disc is rotated anticlockwise, the limiting block is separated from the sliding groove, so that the fixing ring can be disassembled, and the comfort level of the ear part when the helmet is worn can be improved and the helmet is convenient to disassemble, assemble, clean and replace through the arrangement of the elastic support and the adjusting mechanism;

2. through the setting of cylinder, can reduce the resistance when connecting block removes, through the setting of ball, can reduce the resistance when solid fixed ring removes, through the setting of first stable ring, stability when can improving the screw rod and rotate, through the setting of second stable ring, stability when can improving the worm and rotate, through the setting of handle, can convenience of customers rotate the carousel.

Drawings

FIG. 1 is a schematic structural view of an ear protection pad for a helmet, which is provided by the present invention and is easy to disassemble and replace;

FIG. 2 is a schematic structural view of an ear pad for a helmet, which is provided by the present invention and is easy to disassemble and replace;

fig. 3 is a schematic structural diagram of a position B of the ear protection pad for a helmet, which is provided by the utility model and is convenient to disassemble and replace.

In the figure: 1-helmet shell, 2-fixing ring, 3-rubber ring, 4-sponge ring, 5-connecting block, 6-rolling ball, 7-rotary table, 8-handle, 9-limiting block, 10-screw rod, 11-roller, 12-spring, 13-sliding rod, 14-first stabilizing ring, 15-second stabilizing ring, 16-turbine and 17-worm.

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.

Referring to fig. 1-3, an ear protection pad for a helmet convenient to disassemble and replace comprises a helmet shell 1, wherein an object placing groove is formed in the inner side wall of the helmet shell 1, a fixing ring 2 is connected in the object placing groove in a sliding mode and used for installing a rubber ring 3 and a sponge ring 4, a plurality of second grooves are formed in the outer side wall of the fixing ring 2, balls 6 are connected in the second grooves in a rotating mode and used for reducing resistance when the fixing ring 2 moves, the balls 6 abut against the inner side wall of the object placing groove, one side of the fixing ring 2 penetrates through the object placing groove and is fixedly connected with the rubber ring 3 and used for improving comfort level when the helmet is worn, and the sponge ring 4 is fixedly connected to one side, away from the fixing ring 2, of the rubber ring 3 and used for enhancing comfort level when the helmet is worn;

in the embodiment, one side of the fixing ring 2, which is far away from the rubber ring 3, is fixedly connected with two symmetrically arranged connecting blocks 5, which are used for preventing the fixing ring 2 from loosening, a connecting groove corresponding to the connecting block 5 is arranged on the inner side wall of the storage groove, one end of the connecting block 5, which is far away from the fixing ring 2, extends into the connecting groove, one end of the connecting block 5, which is far away from the fixing ring 2, is provided with a jack, a sliding rod 13 is slidably inserted in the jack, which is used for improving the stability of the connecting block 5 when moving, one end of the sliding rod 13 penetrates through the jack and is fixedly connected with the inner side wall of the connecting groove, a spring 12 is sleeved on the sliding rod 13, which is used for elastically supporting the connecting block 5, and two ends of the spring 12 respectively abut against the connecting block 5 and the inner side wall of the connecting groove;

in the embodiment, a slot is formed in the inner side wall of the connecting slot, a limiting block 9 is inserted in the slot in a sliding manner and used for preventing the connecting block 5 from loosening, a sliding slot corresponding to the limiting block 9 is formed in the side wall of the connecting block 5, one end of the limiting block 9 penetrates through the slot and extends into the sliding slot, a first groove is formed in the side wall of the limiting block 9, a roller 11 is connected in the first groove in a rotating manner and used for reducing resistance when the connecting block 9 moves, a fixing rod is connected in the roller 11 in a rotating manner and used for preventing the roller 11 from loosening, and two ends of the fixing rod penetrate through the roller 11 respectively and are connected with the opposite side walls in the first groove in a rotating manner;

in the embodiment, a screw rod 10 is inserted into the other end of the limiting block 9 and used for driving the limiting block 9 to move, the screw rod 10 is in threaded connection with the limiting block 9, an installation groove is formed in the inner side wall of the object placing groove, the installation groove is located between two connection grooves, a turbine 16 is arranged in the installation groove and used for driving the screw rod 10 to rotate, one end, far away from the limiting block 9, of the screw rod 10 penetrates through the helmet shell 1 and is fixedly connected with the turbine 16, the screw rod 10 is in rotational connection with the helmet shell 1, two first stabilizing rings 14 are rotatably sleeved on the screw rod 10 and used for improving the stability of the screw rod 10 during rotation, and the first stabilizing rings 14 are fixedly connected with the inner side wall of the installation groove;

in the embodiment, a worm 17 meshed with the turbine 16 is arranged in the mounting groove and used for driving the turbine 16 to rotate, a placing groove is formed in the outer side wall of the helmet shell 1, a rotary table 7 is arranged in the placing groove and used for driving the worm 17 to rotate, one end of the worm 17 penetrates through the helmet shell 1 and is fixedly connected with the rotary table 7, the worm 17 is rotatably connected with the helmet shell 1, a handle 8 is fixedly connected to the outer side wall of the rotary table 7 and is used for facilitating a user to rotate the rotary table 7, a second stabilizing ring 15 is rotatably sleeved on the worm 17 and used for improving the stability of the worm 17 during rotation, and the second stabilizing ring 15 is fixedly connected with the inner side wall of the mounting groove;

in the embodiment, firstly, the fixing ring 2 is placed in the object placing groove, meanwhile, the connecting block 5 is inserted into the connecting groove and abutted against the spring 12, meanwhile, the sliding rod 13 is extended into the inserting hole, then the rotating disc 7 is rotated clockwise to drive the worm 17 to rotate, the screw rod 10 is driven to rotate through the meshing action of the worm 17 and the turbine 16, the screw rod 10 drives the limiting block 9 to move through the meshing action of the threads, the limiting block 9 is moved into the sliding groove, the connecting block 5 can be prevented from loosening through the matching of the limiting block 9 and the sliding groove, meanwhile, the connecting block 5 has a certain displacement space, when a user wears the helmet shell 1, ears are positioned in the fixing ring 2, the rubber ring 3 and the sponge ring 4, so that the ears are prevented from being extruded, meanwhile, the spring 12 plays an elastic supporting action on the fixing ring 2 through the connecting block 5, the fixing ring 2 is used for elastically supporting the peripheries of the ears, and the comfort degree around the ears is improved through the rubber ring 3 and the sponge ring 4, when the helmet is disassembled, the rotating disc 7 is rotated anticlockwise, so that the limiting block 9 is separated from the sliding groove, namely the fixing ring 2 can be disassembled.

As described above, each component (component not described in specific structure) selected in the present application is a general standard component or a component known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through a technical manual or through a routine experiment method.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a convenient ear protection pad for helmet of dismantling change, includes helmet shell (1), its characterized in that: the utility model discloses a helmet shell, including shell (1), be equipped with on the inside wall of helmet shell (1) and put the thing groove, it has solid fixed ring (2) to put thing inslot sliding connection, one side of solid fixed ring (2) is run through puts thing groove and fixedly connected with rubber circle (3), one side fixedly connected with sponge circle (4) that solid fixed ring (2) were kept away from in rubber circle (3), gu fixed ring (2) keep away from one side fixedly connected with two connecting blocks (5) that the symmetry set up of rubber circle (3), it is equipped with the spread groove corresponding with connecting block (5) on the thing inslot lateral wall to put, the one end that solid fixed ring (2) were kept away from in connecting block (5) extends to in the spread groove, the one end that solid fixed ring (2) was kept away from in connecting block (5) is equipped with the jack, sliding bar (13) is equipped with to sliding insertion in the jack, the one end of sliding bar (13) runs through jack and with spread groove inside wall fixed connection, the cover is equipped with spring (12) on sliding bar (13), the two ends of the spring (12) are respectively abutted against the inner side walls of the connecting block (5) and the connecting grooves, slots are formed in the inner side walls of the connecting grooves, limit blocks (9) are arranged in the slots in a sliding mode, sliding grooves corresponding to the limit blocks (9) are formed in the side walls of the connecting block (5), one ends of the limit blocks (9) penetrate through the slots and extend into the sliding grooves, screw rods (10) are inserted into the other ends of the limit blocks (9), the screw rods (10) are in threaded connection with the limit blocks (9), mounting grooves are formed in the inner side walls of the object placing grooves and are located between the two connecting grooves, turbines (16) are arranged in the mounting grooves, one ends, far away from the limit blocks (9), of the screw rods (10) penetrate through the helmet shell (1) and are fixedly connected with the turbines (16), the screw rods (10) are rotatably connected with the helmet shell (1), and worms (17) meshed with the turbines (16) are arranged in the mounting grooves, the helmet shell is characterized in that a placing groove is formed in the outer side wall of the helmet shell (1), a rotary table (7) is arranged in the placing groove, one end of a worm (17) penetrates through the helmet shell (1) and is fixedly connected with the rotary table (7), and the worm (17) is rotatably connected with the helmet shell (1).

2. An ear protector for a helmet convenient to disassemble and replace as claimed in claim 1, wherein: be equipped with first recess on the lateral wall of stopper (9), first recess internal rotation is connected with cylinder (11), cylinder (11) internal rotation is connected with the dead lever, the both ends of dead lever run through cylinder (11) respectively and rotate with the relative lateral wall in the first recess and be connected.

3. An ear protector for a helmet convenient to disassemble and replace as claimed in claim 1, wherein: be equipped with a plurality of second recesses on the lateral wall of solid fixed ring (2), second recess internal rotation is connected with ball (6), ball (6) with put thing inslot inside wall and offset.

4. An ear protector for a helmet convenient to disassemble and replace as claimed in claim 1, wherein: two first stabilizing rings (14) are sleeved on the screw rod (10) in a rotating mode, and the first stabilizing rings (14) are fixedly connected with the inner side wall of the installation groove.

5. An ear protector for a helmet convenient to disassemble and replace as claimed in claim 1, wherein: the worm (17) is rotatably sleeved with a second stabilizing ring (15), and the second stabilizing ring (15) is fixedly connected with the inner side wall of the mounting groove.

6. An ear protector for a helmet convenient to disassemble and replace as claimed in claim 1, wherein: the outer side wall of the turntable (7) is fixedly connected with a handle (8).