CN208436276U - A kind of hook for respirator - Google Patents

Abstract

The utility model discloses a kind of hooks for respirator, comprising: main body extends in one direction；Fixed part；Selector；Wherein, when the hook is disposed vertically horizontal plane, the projection of the main body, fixed part and selector in the horizontal plane is arc-shaped, and fixed part extends to the periphery of the main body and forms centre bore, and the fixed part includes the annular convex platform being set to around the centre bore.When wearing respirator, the hook of the utility model can be preferably bonded with the head of wearer or neck, and wearer is made to feel comfortable.In addition, the hook of the utility model also can be reduced the scraping to elastic webbing during long periods of wear, improve elastic webbing fluffiness.

Description

A kind of hook for respirator

Technical field

The utility model relates to a kind of respirator accessory more particularly to a kind of hooks for respirator.

Background technique

Under air contaminated environment, dust, dirt particle, stink, pernicious gas can be prevented by wearing respirator Deng enter wearer's body in, protect the health and safety of wearer.According to the difference of wearing mode, respirator has wear-type breathing (i.e. connection is exhaled for device (i.e. the band of two-side elastic up and down of the mask of connection respirator is directly fixed on head) and ear belt respirator The left and right sides elastic webbing of the mask of haustorium is directly fixed on ear), there are also a kind of respirator, elastic webbing is connected to mask The left and right sides, when wearing, are connected elastic webbing by hook behind head or neck.As shown in Figure 1, respirator packet Mask 2 is included, the central area of mask 2 is provided with breather valve 3, a bullet is respectively set in the left and right sides edge region of mask 2 Property band 4, hook 1 is hung on an elastic webbing 4, two grades of selection hooks are provided on hook 1, wearer can choose wherein Hook is hooked on another elastic webbing by one grade of component, so as to which respirator is fixed to wearer on the face.It wears as a result, Wearer can quickly, simply wear respirator.

Chinese patent application publication No. CN104784841A discloses a kind of hook for respirator, comprising: main body, It is extended in one direction；Fixedly locked portion, is formed in the side of the main body, and with the cover piece that is connected to respirator The elastic band connection of side；Selective lock portion, is formed in the other side of the main body, and be connected to the cover piece The elastic webbing of the other side is selectively connected；And tape channel, the periphery of the main body is extended to from the fixedly locked portion So that the fixedly locked portion is opened wide, and makes the elastic webbing for the side for being connected to the cover piece pass through the tape channel, Wherein, the crozier is continuously formed in the sheet material for manufacturing hook, the crozier by connection unit with it is adjacent Crozier connection, and the hook for respirator by the crozier apply external force come make the crozier and The adjacent crozier is produced when separating.

Utility model content

The inventor of the utility model is through experiment and the study found that wears the hook of the prior art, the head of hook and human body Portion or neck cannot be bonded well.In addition, during long periods of wear, the elastic webbing of respirator during stretching, with hook The edge friction of son, be easy to cause elastic webbing to fluff.

The utility model discloses a kind of hooks, including main body, extend in one direction；Fixed part is formed in institute The side of main body is stated, and can be with the side elasticity band connection for the mask for being connected to respirator；Selector is formed in described The other side of main body, and including at least two alternative packs；It can be with the elasticity of the other side for the mask for being connected to respirator Band is selectively connected；Wherein, when the hook is disposed vertically horizontal plane, the main body, fixed part and selector are in level Projection on face is arc-shaped, and the fixed part extends to the periphery of the main body and forms centre bore, the fixed part packet Include the annular convex platform being set to around the centre bore.

According to certain specific embodiments, the fixed part includes tape channel, and the side elastic webbing can be made to pass through band Channel enters the centre bore.

According to certain specific embodiments, the radius of curvature of the arc is 40mm~80mm.

According to certain specific embodiments, the hook is 45mm~70mm in the projected length of horizontal plane.

Preferably, the aperture of the centre bore is 5.0mm~8.0mm.The size of fixed part centre bore holds elastic webbing Stress has a certain impact.Aperture is big, can increase effective contact area of elastic webbing and hook, reduces elastic webbing drawing process Middle unit area institute stress, so as to improve elastic webbing fluffiness.

Annular boss, which is arranged, can increase the contact area of elastic webbing and hook, reduce unit plane in elastic webbing drawing process Product institute's stress, so as to improve elastic webbing fluffiness.Preferably, the annular boss with a thickness of 0.2mm~0.6mm.

According to certain specific embodiments, edge and the alternative pack of the fixed part at central hole location Edge includes chamfering.Chamfering, which is arranged, can also reduce scraping of the hook to elastic webbing, improve elastic webbing fluffiness.

According to certain specific embodiments, the selector includes first choice part, the second Option stage and third Option stage.

When wearing respirator, the hook of the utility model can be preferably bonded with the head of wearer or neck, Wearer is set to feel comfortable.The radius of curvature of hook and the length of hook have a certain impact to the stickiness of hook.If Hook is too long, and the stickiness of hook and head or neck is deteriorated, but if hook is too short, should not just be arranged two and two with On alternative pack, hook will lose regulatory function.Therefore, on the basis of guaranteeing that hook has regulatory function, setting is reasonable Hook length it is more crucial.

In addition, annular boss is arranged in fixed part center in the hook of the utility model, so that hook is in long periods of wear In the process, effective contact area of hook and elastic webbing increases, and reduces unit area institute stress in elastic webbing drawing process, thus The scraping to elastic webbing can be reduced, elastic webbing fluffiness is improved.The centre bore pore size of fixed part is adjusted, and solid Determine the edge of portion's center position and the edge setting chamfering of alternative pack, the scraping to elastic webbing can be reduced, thus more preferably Ground improves elastic webbing fluffiness.

Detailed description of the invention

In order to allow above and other objects, features and advantages of the utility model can be more obvious and easy to understand, below with reference to attached The utility model is described in further detail with specific embodiment for figure.It should be appreciated by those skilled in the art that attached drawing is intended to illustrate Preferred embodiments of the present invention are illustrated to property, all parts are not necessarily drawn to scale in figure.

Fig. 1 is the view for being equipped with the respirator of hook in the prior art；

Fig. 2 (A)~(C) is the hook for respirator according to the certain specific embodiments of the utility model in different views Schematic diagram under angle；

Fig. 3-1~3-2 is the variation according to the hook for respirator of the certain specific embodiments of the utility model Schematic diagram；

Fig. 4-1~4-2 is the variation according to the hook for respirator of the certain specific embodiments of the utility model Schematic diagram.

Main element symbol description

Hook 1 for respirator

Mask 2

Breather valve 3

Elastic webbing 4

Main body 100

110 centre bore of fixed part, 112 tape channel, 114 annular boss 116

120 first choice part of selector, 122 second Option stage 124

Third Option stage 126

Specific embodiment

Hereinafter, some specific embodiments according to the present utility model will be described in more detail in conjunction with attached drawing. It should be appreciated that without departing from the scope or spirit of the present disclosure, those skilled in the art can be according to this specification Introduction imagines other various embodiments and can modify to it.Therefore, specific embodiment below is illustrative And not restrictive.

Unless otherwise specified, expression characteristic size, quantity and physics used in specification and claims are special All numbers of property should be understood as being modified by term " about ".Therefore, unless indicated to the contrary, otherwise this specification and institute The numerical parameter listed in attached claims is approximation, introduction according to the present utility model, ordinary skill people Member can suitably change these approximations, characteristic needed for obtaining.It include all within the scope of this with the numberical range that endpoint indicates Number, for example, 1 to 5 includes 1,1.1,1.3,1.5,2,2.75,3,3.80,4 and 5 etc..

Unless otherwise specified, raw material used in embodiment, is commercially available industrial goods, can be purchased by commercial channel ?.

Fig. 2 (A)~(C) schematically illustrates the hook 1 for respirator of the utility model, and Fig. 2 (A) is stereopsis Figure, Fig. 2 (B) are top view, and Fig. 2 (C) is main view.As shown, the hook 1 for respirator includes main body 100, edge One direction extends；Fixed part 110 is formed in the side of main body 100, and fixed part 110 extends to the periphery of main body 100 And centre bore 112 is formed, fixed part 110 includes the annular convex platform 116 being set to around centre bore 112；Selector 120, shape At in the other side of main body 100, and including first choice part 122, the second Option stage 124 and third Option stage 126.Such as Fig. 2 (B) top view shown in, when hook 1 is disposed vertically horizontal plane, main body 100, fixed part 110 and selector 120 are in level Projection on face is arc-shaped.

It is inserted into the centre bore 112 of fixed part 110 in order to facilitate elastic webbing 4, a band logical is set on fixed part 110 Road 114, elastic webbing 4 can enter centre bore 112 by tape channel 114.At the same time, elastic webbing 4 can also pass through band passband 114 remove fixed part 110.

Wearer is inserted into fixed part 110 when using respirator, by side elastic webbing 4 by tape channel 114, and Elastic force is applied on fixed part 110 by elastic webbing 4 while extending reservation length, and other side elastic webbing 4 can be according to head Size is selectively hooked to any in the first choice part 122, the second Option stage 124, third Option stage 126 of selector 120 One grade, so that respirator is fixed to wearer on the face.Different Option stages are different from the distance between fixing piece, to adjust two The relative distance of side elastic webbing 4.The shape of Option stage is schematically illustrated in figure, it will be appreciated by those skilled in the art that It is that, in order to realize the technical effect of similar selective connection, can be deformed to the shape of Option stage.

It can also be not provided with band passband 114 (such as Fig. 3-1 and 4-1) on fixed part 110, be connected to mask 2 in elastic webbing 4 Side before, first by side elastic webbing 4 pass through fixed part 110 centre bore 112, elastic webbing 4 is then fixed on mask 2 again On.

The Option stage quantity of selector 120 can be arranged according to actual needs.As shown in Fig. 3-1 and 3-2, selector 120 include two Option stages, therefore can do two grades of adjustment.As shown in Fig. 4-1 and 4-2, selector 120 includes four selections Part, therefore fourth gear adjustment can be done.

The radius of curvature of hook and the length of hook have a certain impact to the stickiness of hook.If hook is too long, The stickiness of hook and head or neck is deteriorated, but if hook is too short, two and more than two selections should not just be arranged Component, hook will lose regulatory function.In some specific embodiments, the radius of curvature of arc may be configured as 40mm~ 80mm, hook may be configured as 45mm~70mm in the projected length of horizontal plane, so as to adjust stickiness.

Annular boss, which is arranged, can increase the contact area of elastic webbing and hook, reduce unit plane in elastic webbing drawing process Product institute's stress, so as to improve elastic webbing fluffiness.When annular boss is with a thickness of 0.2mm~0.6mm, Anti-scratching is prevented Capillary effect fruit is ideal.In addition, the pore size of adjustment centre bore can also improve elastic webbing fluffiness, when the aperture of centre bore When for 5.0mm~8.0mm, Anti-scratching, anti-hairy effect are ideal.

Chamfering is arranged in the edge at edge and alternative pack at fixed part central hole location, can also reduce hook pair The scraping of elastic webbing improves elastic webbing fluffiness.

The hook of the utility model can be preferably bonded with the head of wearer or neck, and wearer is made to feel easypro It is suitable.In addition, hook during long periods of wear, can reduce the scraping to elastic webbing, improve elastic webbing fluffiness.Hook Radius of curvature and the length of hook have a certain impact to the stickiness of hook.If hook is too long, hook and head or neck The stickiness in portion is deteriorated, but if hook is too short, two and more than two alternative packs should not just be arranged, and hook will lose Regulatory function.Therefore, on the basis of guaranteeing that hook has regulatory function, it is more crucial that reasonable hook length is set.Adjustment The centre bore pore size of fixed part, and chamfering is set at the edge of fixed part center position and the edge of alternative pack, The scraping to elastic webbing can be reduced, to preferably improve elastic webbing fluffiness.

Above-mentioned specific embodiment of the utility model it is merely exemplary illustrate the principle and effect of the utility model, and It is non-to be used to limit the utility model, it is known it will be understood by those skilled in the art that in the spirit and model without departing from the utility model In the case where enclosing, to any changes and improvements made by the utility model all in the scope of the utility model.The utility model Protection scope, should be subject to the utility model scope of which is defined in the appended claims.

Claims (8)

1. a kind of hook for respirator, comprising:

Main body extends in one direction；

Fixed part is formed in the side of the main body, and can connect with the side elastic webbing for the mask for being connected to respirator It connects；

Selector is formed in the other side of the main body, and including at least two alternative packs, can breathe with being connected to The other side elastic webbing of the mask of device is selectively connected；

Wherein, when the hook is disposed vertically horizontal plane, the projection of the main body, fixed part and selector in the horizontal plane is in Arc, and the fixed part extends to the periphery of the main body and forms centre bore, and the fixed part is described including being set to Annular convex platform around centre bore.

2. the hook according to claim 1 for respirator, which is characterized in that the fixed part includes tape channel, can So that the side elastic webbing enters the centre bore by tape channel.

3. the hook according to claim 1 for respirator, which is characterized in that the radius of curvature of the arc is 40mm ~80mm.

4. the hook according to claim 1 for respirator, which is characterized in that the linear distance at the arc both ends is 45mm~70mm.

5. the hook according to claim 1 for respirator, which is characterized in that the aperture of the centre bore is 5.0mm ~8.0mm.

6. the hook according to claim 1 for respirator, which is characterized in that the annular boss with a thickness of 0.2mm~0.6mm.

7. being used for the hook of respirator described according to claim 1~any one of 6, which is characterized in that the fixed part The edge at edge and the alternative pack at central hole location includes chamfering.

8. the hook according to claim 1 for respirator, which is characterized in that the selector includes first choice Part, the second Option stage and third Option stage.