CN215080836U

CN215080836U - Foldable noise protection equipment

Info

Publication number: CN215080836U
Application number: CN202120085227.6U
Authority: CN
Inventors: 郭嘉丽; 郭嘉英
Original assignee: Hubei Three Gorges Polytechnic
Current assignee: Hubei Three Gorges Polytechnic
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-12-10
Anticipated expiration: 2031-01-13

Abstract

The utility model discloses a folding noise protection equipment, including hemisphere ear muff and the collapsible arc piece that is used for connecting the ear muff, the ear muff has sound insulation chamber, and the ear muff is provided with the screw hole, collapsible arc piece passes through the embedding piece and realizes the fixed of ear muff with the screw hole cooperation, the utility model discloses collapsible, long-time use experience sense is very good, give sound insulation effectually, sweat-absorbing is ventilative, through changing the recess of the suitable height of embedding piece embedding, and then adjustment arc piece makes its and the accurate laminating of user head, and multilayer material hot briquetting's earmuff and vacuum sound insulation chamber make the utility model discloses the sound insulation effect is better, and this equipment goggles disposes, plastics dust cover and hood and adjustable frame, is particularly useful for outdoor operation personnel, and the weight that carries article when making outdoor operation personnel operation alleviates greatly.

Description

Foldable noise protection equipment

Technical Field

The utility model relates to a protective equipment, concretely relates to folding noise protection equipment.

Background

In daily life, interference and noise affect the study, life and work of people at any moment, for example, sharp whistling sounds on roads in hot summer and silent night; the sound of the machine is loud in the workshop. With the acceleration of the modern industrial process, the noise sources are more and more, and the influence on human ears is more and more serious, especially for outdoor operators, which is a problem to be rescued urgently.

Currently, there are many solutions to the noise problem, wherein the dominant measure is to wear earphones and earplugs, and nowadays, the types of earphones and earplugs are also diversified.

However, in the process of implementing the technical solution of the present invention, the applicant finds that the above measures have at least the following problems:

although the earplug is made of rubber, the problem of pressing the ear nerves still inevitably occurs after long-time wearing; the in-ear earphones also have the problems that the in-ear earphones can bring intolerable discomfort to ears after being worn for a long time, the health problems of ear infection caused by wearing the in-ear earphones are threatened to physical and psychological health of people, and the earplug earphones and the ear-hanging earphones have the problems that the sound insulation effect is poor and the operation of operators is influenced by earphone wires.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art, a folding noise protection equipment is provided. The utility model discloses collapsible, long-time use experience sense is very good, give sound insulation respond well, sweat-absorbing is ventilative, through changing the recess of the suitable height of embedding piece embedding, and then adjustment arc makes its and the accurate laminating of user's head, and multilayer material hot briquetting's earmuff and vacuum sound insulation chamber make the utility model discloses the effect that gives sound insulation is better, and this equipment disposes goggles, plastics dust cover and hood and adjustable frame, is particularly useful for outdoor operation personnel, and the weight that makes outdoor operation personnel carry article when operation alleviates greatly.

In order to solve the technical problem, the utility model discloses a technical scheme is: a foldable noise protection apparatus, characterized in that: the foldable earmuffs are internally provided with sound insulation cavities, the middle parts of the arc surfaces of the earmuffs are provided with threaded holes, the foldable arc pieces are matched with the threaded holes through embedding pieces to realize fixation with the earmuffs, the foldable arc pieces consist of 4n arc sections, n is a positive integer, and adjacent arc sections are connected through hinges; a concave slide way is arranged on one side face of the foldable arc-shaped piece along the length direction, a plurality of cylindrical grooves are formed in the bottom of the slide way, one end of the embedded piece slides along the slide way and is matched with the grooves, the outer end part of the outermost arc-shaped section of the foldable arc-shaped piece is sealed, a notch used for installing the embedded piece into the slide way is formed between the adjacent end parts of two adjacent arc-shaped sections in the 4n arc-shaped sections, and the diameter of the end face circle of each groove is slightly larger than that of the end face circle of the sliding block or the size of the diagonal line of the square face on one side of the square body attaching connecting piece; the width of slide opening part all is far less than the long size of slider terminal surface circle diameter or square face in square body laminating connecting piece one side, and the purpose is under the prerequisite of guaranteeing this equipment function of making an uproar, realizes that the embedding piece does not have the hindrance at the slide in this equipment and slides, and it can be at adjacent circular arc section junction roll-off, slide-in and can not be at the outer tip landing of outside circular arc section, and then through the different recess of change embedding piece embedding, makes this equipment more laminate with the user ear.

The foldable noise protection equipment is characterized in that the foldable arc-shaped part and the flexible connecting part are detachably connected, a head cover is glued on the inner side of the flexible connecting part, a pair of goggles are symmetrically arranged on the upper part of the head cover, a plastic dust cover is fixed on the middle lower part of the head cover, a filter pad is arranged on the inner side of the plastic dust cover in a contact manner, the purpose is to realize the diversity of the functions of the utility model, the weight of articles carried by outdoor operators during operation is greatly reduced,

the foldable noise protection device is characterized in that the flexible connecting piece is detachably connected with the universal ball bearing seat, the universal ball bearing seat is provided with the universal ball bearing, the universal ball head face of the universal ball bearing is connected with the clamping seat in a clamping mode, the clamping seat is connected with the adjustable rack, and the purpose is to clamp lighting devices such as a mobile phone or a flashlight and the like, so that the lighting function of the device is realized.

Foretell folding noise protection equipment, a serial communication port, earmuff circular end face outside plane department has consolidated the earmuff, the earmuff shape is the sunken cylinder shape in middle part, the earmuff is sunken and human ear outline phase-match, the earmuff is laid together by bedding, foamed ceramic layer, polyurethane PU layer and sound insulation sponge layer stratiform in proper order, bedding laminating earmuff outside plane circular end face, the outside parcel of earmuff has the top layer, and the purpose is for the reinforcing the utility model discloses a sound insulation effect makes the utility model discloses it is folding, sound insulation, close skin, sweat-absorbing and ventilative and user wear experience and feel all good.

Foretell folding noise protection equipment, its characterized in that, all be provided with the arc clamping part on the even clamp plate of adjustable frame, the purpose is in order to realize the function of adjustable frame centre gripping, and then realizes the utility model discloses the function of illumination.

The foldable noise protection device is characterized in that the embedded part is formed by connecting a connecting piece and a sliding block in a threaded manner, the embedded part is formed by connecting the connecting piece and the sliding block in a threaded manner, permanent magnets with attractive magnetism are arranged in the sliding block and the caulking groove, the sliding block is in sliding fit with the slideway, and the groove is in fixed fit; the connecting piece is in threaded fit with the threaded hole, and the purpose is to connect the earmuffs and the foldable arc-shaped piece through the embedded piece, so that the folding and adjusting functions of the equipment are realized.

The foldable noise protection equipment is characterized in that the bottom of the hood is provided with a restraint piece, so that the hood can be attached to the skin of a human body.

The foldable noise protection device is characterized in that the surface layer is made of leather, so that the device has good sweat absorption and air permeability.

Compared with the prior art, the utility model has the following advantage:

1. the utility model discloses collapsible arc passes through embedment and ear muff threaded connection, and the junction is provided with the breach that is used for embedment slip-in, roll-off between the segmental arc of collapsible arc, and this makes this equipment have easy to assemble, dismantlement and collapsible characteristic, and it is convenient to accomodate, saves space.

2. The utility model discloses be provided with hood, goggles, plastics dust cover and adjustable frame, lighting apparatus such as adjustable frame ability centre gripping flashlight, cell-phone, this variety that has embodied this equipment function not only protects eyes, nose and prevents that it from receiving the interference of dust, has the function of protecting against the cold, resisting wind and snow moreover to a certain extent, and the weight of carrying article when also enabling outdoor operations personnel operation alleviates greatly.

3. The utility model discloses the airtight sound insulation chamber that forms of ear muff, and the consolidation has the earmuff by multilayer material thermoforming on the ear muff, and its sound insulation effect that makes this equipment is better, make the user avoid the interference of noise, and wear for a long time and do not have uncomfortable sense, and the sweat-absorbing gas permeability is good.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the arc member of the present invention.

Fig. 3 is a schematic view of the structure of the insert of the present invention.

Fig. 4 is a schematic view of the earmuff and the insert of the present invention.

Description of reference numerals:

1, earmuffs; 2, earmuffs; 3-arc clamping part;

4, covering a head; 5, goggles; 6-plastic dust cover;

7-foldable arc-shaped pieces; 8, a flexible connecting piece; 9-universal ball bearing seat;

10-universal ball bearing; 11-an adjustable frame; 1-2-hot pressing a fiber cloth layer;

1-3-surface layer; 1-4-sound absorbing material layer; 1-5-a sound insulating material layer;

1-6-porous ceramic layer; 1-7-a cushion layer; 7-1-groove;

7-2-hinge; 7-3-slideway; 7-4-gap;

12 — an insert; 12-1-a connector; 12-2 — a slider;

13-a threaded hole; 14-sound insulation cavity; 15-bolt pieces;

16-clamping seat.

Detailed Description

Examples

As shown in fig. 1, 2, 3 and 4, the present embodiment includes two hemispherical ear cups 2 and a foldable arc-shaped member 7 for connecting the two ear cups 2, the ear cups 2 have sound-insulating cavities 14 therein, a threaded hole 13 is formed in the middle of the arc surface of each ear cup 2, the foldable arc-shaped member 7 is fixed to the ear cups 2 by an insert 12 and the threaded hole 13, the foldable arc-shaped member 7 is composed of 4 arc-shaped segments, and adjacent arc-shaped segments are connected by a hinge 7-2; a concave slideway 7-3 is arranged on one side face of the foldable arc-shaped piece 7 along the length direction, a plurality of cylindrical grooves 7-1 are arranged at the bottom of the slideway 7-3, one end of the embedded piece 12 slides along the slideway 7-3 and is matched with the groove 7-1, the outer end part of the outermost arc-shaped section of the foldable arc-shaped piece 7 is sealed, a gap 7-4 for installing the embedded piece 12 into the slideway 7-3 is arranged between the adjacent end parts of two adjacent arc-shaped sections in the 4n arc-shaped sections, and the end face circle diameter of each groove 7-1 is slightly larger than the end face circle diameter of the sliding block 12-2 or the diagonal size of a square face on one side of the square body attaching connecting piece 12-1; the width of the opening of the slideway 7-3 is far smaller than the diameter of the end face circle of the sliding block 12-2 or the size of the square face on one side of the square body fitting connecting piece 12-1, so that on the premise of ensuring the noise reduction function of the equipment, the embedded piece in the equipment slides on the slideway without obstruction, can slide out and into the joint of adjacent arc sections and cannot slide out of the outer end part of the outermost arc section, and then the ear of the equipment is fitted with the ear of a user by changing the embedding of the embedded piece into different grooves.

In the embodiment, the foldable arc-shaped part 7 and the flexible connecting part 8 are detachably connected so as to be convenient for dismounting the flexible connecting part 8 according to requirements, the detachable connection can be clamping, splicing, hanging or threaded connection, etc., the flexible connecting part 8 is arc-shaped, the inner side of the flexible connecting part 8 is glued with the head cover 4, the upper part of the head cover 4 is symmetrically provided with a pair of goggles 5, the middle lower part of the head cover 4 is fixedly connected with a plastic dust cover 6, the inner side of the plastic dust cover 6 is provided with a filter pad in a contact way, the purpose is to realize the diversity of the functions of the utility model, the weight of articles carried by outdoor operators during operation is greatly reduced,

in this embodiment, still adopt to dismantle between flexible connection spare 8 and universal ball bearing frame 9 and be connected, can dismantle the connection can be for joint, grafting, articulate or threaded connection etc. even all adopt and can dismantle the connection, also can not understand for both can dismantle the connected mode the same, perhaps for the reliability of installation, other connected modes between flexible connection spare 8 and universal ball bearing frame 9 can also be selected to the technical staff in the field, like other connected modes of non-detachable such as riveting, welding, be equipped with universal ball bearing 10 on the universal ball bearing frame 9, the joint has cassette 16 on universal ball head face of universal ball bearing 10, be connected with adjustable frame 11 on the cassette 16, the purpose is for can joint lighting apparatus such as cell-phone or flashlight, realizes the utility model discloses the function of illumination.

In this embodiment, 2 round end outside plane departments of ear muff have the earmuff 1 admittedly, earmuff 1 shape is the sunken cylinder shape in middle part, 1 sunken and human ear outline phase-match in earmuff. The earmuff 1 is formed by sequentially forming a liner 1-7, a foam ceramic layer 1-6, a polyurethane PU layer 1-5 and a sound insulation sponge layer 1-4 through hot-pressing fiber cloth layers 1-2 through hot-pressing casting, the liner layer 1-7 is attached to the round end surface of the outer side plane of the earmuff 2, the outer side of the earmuff 1 is wrapped with a surface layer 1-3, and the purpose is to strengthen the sound insulation effect of the utility model, so that the utility model discloses folding, sound insulation, skin-friendly, sweat absorption and ventilation and user wearing experience are all good.

In this embodiment, the two clamping pieces of the adjustable rack 11 are provided with the arc-shaped clamping parts 3, the adjustable rack 11 is composed of an upper cover, a lower cover, a spring, two clamping pieces, a locking mechanism and a foot, the width of the upper cover of the adjustable rack 11 is adjustable, and each clamping piece of the adjustable rack 11 is perpendicular to the bottom surface; this component refers to the bathing net authors: name issued by sailor 1232: vehicle mobile phone support type mechanism (https:// www.mfcad.com/tuzhi/20142/489530.html), different from it, this part every clamping piece side middle part all is provided with the hemisphere sunken, adjustable frame 11 circular arc position is placed for example the lighting apparatus that the shape is cylinder and cylinder cross-section circular radius is not less than adjustable frame 11's minimum circular arc radius such as flashlight, perhaps two right angle positions of adjustable frame 11 are placed cell-phones etc. and have at least two sides all with adjustable frame 11 any side vertically lighting apparatus, and the two side distance of lighting apparatus is not less than the function of adjustable frame 11 both sides face distance purpose under quiescent condition in order to realize adjustable frame centre gripping, and then realize the utility model discloses the function of illumination.

In this embodiment, the insert 12 is formed by connecting a connecting piece 12-1 and a slider 12-2 by threads, a permanent magnet with magnetic attraction is arranged in the slider 12-2 and the groove 7-1, or a permanent magnet is arranged in the groove 7-1, the slider 12-2 is made of an iron material, iron, cobalt, nickel or the like, as long as the adsorption connection between the slider 12-2 and the groove 7-1 can be realized, the specific material is not limited, the permanent magnet is arranged on the inner surface of the groove 7-1, and the slider 12-2 is in sliding fit with the slide 7-3 and is fixedly fit with the groove 7-1; fig. 3 is a schematic structural representation of the insert 12 of the present invention for the purpose of illustrating the technical solution of the present invention, and it should not be understood that the slider 12-2 in the insert 12 may be a cylinder, a cube or a prism, etc., and the connecting member 12-1 is screw-engaged with the threaded hole 13 of the ear cup 2. The purpose is to connect the earmuffs with the foldable arc-shaped pieces through the inserts, thereby realizing the folding and adjusting functions of the equipment.

In this embodiment, the bottom of the hood 4 is provided with a constraint piece, so as to prevent cold air from entering the mask or avoid the situation that the eye mask is not attached to the outer contour of the eyes of the human body, and the constraint piece may be an elastic band, a button, or the like.

In this embodiment, the surface layers 1-3 are made of leather, so as to make the device have good sweat absorption and air permeability.

The utility model discloses noise protection equipment's noise protection process includes following step:

the method comprises the following steps: whether eyes and noses need to be protected or not or whether illumination is needed or not is judged according to the actual working environment of a user, and whether the flexible connecting piece 7 is connected or not is selected.

Step two: during the use, slide block 12-2 in the embedding part 12 slides in recess 7-1 from the adjacent segmental arc butt joint breach 7-4 of collapsible arc spare, will through collapsible arc spare 7 the utility model discloses equipment is worn overhead, covers earmuff 1 on the outline of ear, wears the completion back, and the user selects to imbed embedding part 12 recess 7-1 of suitable height according to the actual need of oneself, and then makes the utility model discloses equipment and user's head type are more laminated, and this equipment not only has good sound insulation performance, wears for a long time and brings comfortable, joyful experience for the user and feels.

The above is to the utility model provides a noise protection equipment has carried out detailed introduction, and it is right to have used specific individual example herein the utility model discloses a principle and using-way have been elucidated, and the description of above embodiment has only been used for helping the utility model discloses a principle and using-way have been elucidated, come to this technical field's ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of principle, can also be right the utility model discloses it is a plurality of improvements and embellishments to carry out, and these are improved and embellishment and also fall into the scope of protection of the claim of the utility model.

Claims

1. The foldable noise protection equipment is characterized by comprising two hemispherical earmuffs (2) and a foldable arc-shaped part (7) used for connecting the two earmuffs (2), wherein each earmuff (2) is internally provided with a sound insulation cavity (14), the middle part of the outer arc side of each earmuff (2) is provided with a threaded hole (13), the foldable arc-shaped part (7) is matched with the threaded hole (13) through an embedding part (12) to realize fixation with the earmuffs (2), the foldable arc-shaped part (7) consists of 4n arc-shaped sections, n is a positive integer, and adjacent arc-shaped sections are connected through hinges (7-2); a concave slide way (7-3) is arranged on one side face of the foldable arc-shaped piece (7) along the length direction, a plurality of cylindrical grooves (7-1) are formed in the bottom of the slide way (7-3), one end of the embedded piece (12) slides along the slide way (7-3) and is matched with the grooves (7-1), the outer end portion of the outermost arc-shaped section of the foldable arc-shaped piece (7) is sealed, a notch (7-4) used for installing the embedded piece (12) into the slide way (7-3) is formed between the adjacent end portions of two adjacent arc-shaped sections in the 4n arc-shaped sections, the diameter of the end face circle of each groove (7-1) is slightly larger than the diameter of the end face circle of the sliding block (12-2) or the size of the diagonal line of the square face on one side of the square-shaped body attaching connecting piece (12-1); the width of the opening of the slide way (7-3) is smaller than the diameter of the end face circle of the slide block (12-2) or the size of the square face length of one side of the connecting piece (12-1) attached by a square body.

2. The foldable noise protection device according to claim 1, wherein the foldable arc-shaped member (7) is detachably connected with the flexible connecting member (8), the inner side of the flexible connecting member (8) is fixedly connected with a head cover (4), a pair of goggles (5) are symmetrically arranged on the upper portion of the head cover (4), a plastic dust cover (6) is fixedly connected to the middle lower portion of the head cover (4), and a filter pad is arranged on the inner side of the plastic dust cover (6) in a contact manner.

3. The foldable noise protection device according to claim 2, wherein the flexible connection member (8) is detachably connected with the universal ball bearing seat (9), the universal ball bearing seat (9) is provided with a universal ball bearing (10), a clamping seat (16) is clamped on a universal ball head surface of the universal ball bearing (10), and the clamping seat (16) is connected with an adjustable frame (11).

4. The foldable noise protection device according to claim 1, wherein the earmuffs (2) are fixedly connected with the outer side plane of the round end face of the earmuffs (2), the earmuffs (1) are cylindrical with a concave middle part, the concave parts of the earmuffs (1) are matched with the outer contour of the ears of a human body, the earmuffs (1) are sequentially layered and arranged by cushion layers (1-7), foamed ceramic layers (1-6), polyurethane PU layers (1-5) and sound insulation sponge layers (1-4), the cushion layers (1-7) are attached to the round end face of the outer side plane of the earmuffs (2), and the outer side of the earmuffs (1) is wrapped by the surface layers (1-3).

5. A foldable noise protection device according to claim 3, characterized in that both clamping tabs of the adjustable frame (11) are provided with arc-shaped clamping parts (3).

6. The foldable noise protection device according to claim 1, wherein the insert (12) is formed by connecting a connecting piece (12-1) and a sliding block (12-2) in a threaded manner, permanent magnets with attractive magnetism are arranged in the sliding block (12-2) and the groove (7-1), and the sliding block (12-2) is in sliding fit with the slide way (7-3) and is fixedly fit with the groove (7-1) through adsorption; the connecting piece (12-1) is in threaded fit with the threaded hole (13).

7. A collapsible noise protection device according to claim 2, characterized in that the hood (4) is arranged at the bottom.

8. A foldable noise protection device according to claim 4, characterized in that said skin layers (1-3) are of a leather material.