CN209316860U - Protective face mask with removable head band - Google Patents

Abstract

The utility model provides the protective face mask with removable head band, including mask body and two groups of headgear assemblies, two groups of headgear assemblies one end are connect with mask body left and right ends alar part respectively, and the other end, which can be connected with each other, to be made；Headgear assemblies include connector, headband and fixing sleeve, connector includes the first connecting pin and second connection end, first connecting pin with mask body alar part for connecting, the side wall of second connection end is equipped with the groove for being through to second connection end end, and groove inner wall is equipped with the second card column of at least one protrusion；Headband one end has the interconnecting piece matched with groove structure, which is provided with the second card hole for being set in the second card column；Fixing sleeve lumen thickness is identical as second connection end and headband thickness；When assembly, fixing sleeve is threaded through on headband, and interconnecting piece is fastened in the groove of second connection end, and mobile fixing sleeve realizes being detachably connected for headband and mask body to being set in outside second connection end.

Description

Protective face mask with removable head band

Technical field

The utility model relates to wearable protective device technical fields, and in particular to a kind of protection with removable head band Mask.

Background technique

Protective face mask can play a role in filtering for entering the air of human respiratory tract, and user is wearing protective face mask Oral cavity or nasal cavity can be effectively prevented to suck the harmful substance in air afterwards, to reduce caused by air pollution on human health It threatens.The protective face mask that the prior art provides is user head to be fixed on by ear-hang, but wear mask for a long time and hold mostly Easily cause ear uncomfortable；In addition, being typically difficult to the head with unlike material for the mask body made of plastics or silica gel material Band or ear-hang are attached.

Utility model content

The utility model provides a kind of protective face mask with removable head band, easily causes for solving mask wearing Ear's discomfort, headband or ear-hang are difficult to the problem of replacing.

The purpose of this utility model is to provide a kind of protective face masks with removable head band, including mask body and two Group headgear assemblies, described two groups of headgear assemblies one end are connect with mask body left and right ends alar part respectively, and the other end can phase Connecting makes the mask body be fixed on user's face；The headgear assemblies include connector, headband and fixing sleeve, described Connector includes the first connecting pin and second connection end, and first connecting pin with the mask body alar part for connecting, institute The side wall for stating second connection end is equipped with the groove for being through to second connection end end, and the groove inner wall is equipped at least Second card column of one protrusion；Described headband one end has the interconnecting piece matched with the groove structure, which is provided with and is used for The second card hole being set in the second card column；The fixing sleeve lumen thickness is identical as the thickness of second connection end and headband；Dress Timing, the fixing sleeve are threaded through on the headband, the interconnecting piece are fastened in the groove of the second connection end, mobile The fixing sleeve realizes being detachably connected for headband and mask body to being set in outside second connection end.

Further, the headgear assemblies further include ear-hang, and the ear-hang is made of elastic material, including is located in the middle Hangers band is used to be set in the same headband with two movable sleeves of the hangers with both ends, described two movable sleeves are connected to.

Further, the protective face mask further includes filter element and the first sealing ring, and the mask body has inside The domes that side wall closes, which is provided with multiple the first ventholes through two sides；The filter element has and the mask The roughly the same domes of ontology, are sticked on the inside of the mask body, for filtering the air of breathing；First sealing Circle includes that radially sequentially connected first circle body and the second circle body, first circle body one end are connected to the mask sheet along circle body In internal side edge, the other end extends to far from mask body center position, the extension of extending direction and mask body edge Direction forms acute angle, and second circle body is crimped from the first circle body end to mask body center position；When wearing, the protection Mask is arranged in user's face, and first sealing ring is pressed on mouth and nose outer rim.

Further, the length of first circle body left and right ends is not less than 5mm；First circle body left and right ends extend The angle of direction and mask body left and right ends extending direction is not more than 60 °.

Further, the filter element includes filter core, the first supporting element and the second supporting element, and the filter core is flexible sheets Shape structure；First supporting element is arch plate structure, which is provided with multiple second ventholes；Second supporting element has The cyclic structure matched with the first supporting element marginal texture, which is provided with blend stop；First supporting element and second Support member fixes filter core after being mutually clamped from filter core two sides.

Further, the first supporting element outer ledge and/or the second supporting element cyclic structure inside are equipped with multiple Protrusion, when the filter core is fastened among the first supporting element and the second supporting element, the protrusion is pressed together on the filter core edge.

Further, it is additionally provided with the first check valve on the filter element, first check valve allows gas from anti- The discharge of face shield Inside To Outside.

Further, first check valve includes valve seat and valve block, and the valve seat is set on first supporter, institute Valve block is stated in the valve seat；The filter core and the second supporting element be equipped with the first check valve described in face first through hole and Second through-hole.

Further, the protective face mask further includes water suction item；The blend stop both ends are connected to the second clamping portion bottom The fluting for accommodating the water suction item is equipped with above end and the second supporting element bottom end, on the outside of the blend stop.

Further, the first supporter inside side walls are equipped with mounting base, and the installation seat ring is located at described first Check valve periphery；The protective face mask further includes nose cup, and the nose cup has cyclic structure, including retainer plate, the second sealing ring With at least one second one-way valve, the retainer plate outer end is mounted in the mounting base, and second sealing ring is connected to institute The inner end of fixing end is stated, the second one-way valve is set on the side wall of the retainer plate；When wearing the protective face mask, described Two sealing rings are pressed on nose outer rim, form first for being provide with user's nose between the nose cup inside, filter element Chamber；Inside first sealing ring, the second chamber for being provide with user's oral area is formed between filter element and nose cup outside；Described Two check valves allow gas intracavitary from the inflow first of the second chamber.

Protective face mask provided by the utility model can be realized being detachably connected for mask body and headband, to facilitate head The replacement of band；It not will cause ear's discomfort compared with the fixed mask of ear-hang, wear more comfortable stablize.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of protective face mask in the utility model first embodiment.

Fig. 2 is the assembling schematic diagram of part protective face mask in the utility model first embodiment.

Fig. 3 is the top view of the utility model first embodiment mask body and sealing ring assembly.

Fig. 4 is the rearview of the utility model first embodiment mask body and sealing ring assembly.

Fig. 5 is the sectional view of the position A-A in Fig. 4.

Fig. 6 is the explosive view of filter element in the utility model first embodiment.

Fig. 7 is the structural schematic diagram of the second supporter in the utility model first embodiment.

Fig. 8 is the assembling schematic diagram of the first supporter and the second supporter in the utility model first embodiment.

Fig. 9 is the assembling schematic diagram of the first supporter and nose cup in the utility model first embodiment.

Figure 10 is the assembling schematic diagram of mask body and headgear assemblies in the utility model first embodiment.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Mode, the present invention will be further described in detail.

In this specification, it should be noted that "upper", "lower", "left", "right", "top", "bottom" refer to that protective face mask is worn When corresponding orientation；It is " inside " or " inner end " close to user's face side or one end, far from use when protective face mask is worn Person's face side or one end are " outside " or " outer end ".

Referring to figs. 1 to Fig. 5, the utility model first embodiment provides a kind of protective face mask 1, including mask body 11, Filter element 12 and the first sealing ring 13, the mask body 11 have the domes enclosed inwardly, allow gas stream It crosses；The filter element 12 has the domes roughly the same with the mask body 11, is sticked in the mask body 11 Inside, for filtering the air of breathing；First sealing ring 13 includes along radial sequentially connected first circle body, 131 He of circle body Second circle body 132, described first circle body, 131 one end are connected on 11 inside edge of mask body, and the other end is to far from face 11 center position of cover body extends, and the extending direction at extending direction and 11 edge of mask body forms acute angle, second circle Body 132 is crimped from 131 end of the first circle body to 11 center position of mask body；When wearing, the protective face mask 1 is arranged in use Person's face, first sealing ring 13 are pressed on mouth and nose outer rim.

Ring structure provided in this embodiment forms doubling in pressurized process between the first circle body and the second circle body Globoidal structure, which has biggish deformation amplitude, so that protective face mask can adapt to the use of different face sizes Person expands the application range of protective face mask；In addition, the first sealing ring, in pressurized process, first lap physical efficiency is the second circle body Reversed elastic force is provided, so that the first sealing ring has better veneer effect.

Further, the length of 131 left and right ends of the first circle body is not less than 5mm；First circle body 131 or so two The angle of extending direction and 11 left and right ends extending direction of mask body is held to be not more than 60 °.This programme can further increase close The deformation amplitude at seal both ends to the left and right.

For the material of the mask body, it can be and woven by textile material, it can also be by plastics or silica gel material Material is molded.

For the material of the first sealing ring, preferably, first sealing ring 11 is molded by silica gel.

For the connection type of mask body and the first sealing ring, can there are many, for example, silica gel sealing ring can pass through The modes such as suture, bonding are connect with mask body made of textile material；The modes such as secondary injection molding and mask can be passed through Ontology connection.

In the present embodiment, the mask body 11 is molded by elastoplastic, which is provided with multiple through the of two sides One venthole 111；First sealing ring 13 is made of liquid-state silicon gel, is connected to the face by the method for secondary injection molding On the edge of this 11 inside of cover.

Further, the protective face mask 1 further includes at least one installation part 14, the installation part 14 include decorative panel and It is connected to the interconnecting piece of decorative panel proximal end, the decorative panel is used for detachable from outside for installing ornament, the interconnecting piece It is fixed in the mask body 11.In the present embodiment, the interconnecting piece is for being fastened in first venthole 111.This Scheme, by setting decoration, can conveniently set up or replace ornament, so that protective face mask by setting installation part Shape is more attractive.

Further, first sealing ring 13 further include from 11 junction of mask body to 11 center side of mask body To the flange 133 of extension, card slot is formed between the flange 133 and mask body 11, the card slot sets the filtering for blocking The edge of unit 12.This programme can be realized detachably plugging for filter element, to be conducive to the installation and more of filter element It changes.

In one alternate embodiment of the utility model, in the mask body injection moulding process, opening is formed inside edge Towards the card slot at mask body center, the card slot is for blocking the edge for setting filter element.

Further, as shown in Figure 6 to 7, the filter element 12 allows gas to flow through from two sides, including filter core 121, the first supporting element 122 and the second supporting element 123, the filter core 121 is for filtering dust and particle；First supporting element 122 and second supporting element 123 for mutually detachably engaging from 121 two sides of filter core, fixed support is risen to filter core 121 and is made With.The filter element that this programme provides is unlikely to deform, and is conducive to the progress for mounting and dismounting step.

In the utility model, to realize filtering of the filter core to gas, first supporting element and the second supporting element need to design At the structure that permissible gas flows through, such as it can be and multiple through-holes are set on the first supporting element and/or the second supporting element, It can be and the first supporting element and/or the second supporting element are arranged to network, can also be the first supporting element and/or second Supporting element is arranged to cyclic structure, then one or more blend stops are arranged on it.In the present embodiment, the filter core 121 is flexibility Laminated structure；First supporting element 122 is arch plate structure, which is provided with multiple second venthole l221；Described second Supporting element 123 has the cyclic structure matched with 122 marginal texture of the first supporting element, which is provided with blend stop 1231；The One supporting element 122 and the second supporting element 123 can be mutually clamped, and clamped and fixed filter core 121.It is single to filtering provided in this embodiment The step of member is assembled is as follows: after the filter core 121 is fitted in 122 outside of the first supporting element, the second supporting element 123 Cyclic structure is pressed and is fastened on the edge of first supporting element 122, the edge of the fixed filter core 121.

Further, first supporter 122 be equipped with it is multiple first buckle and/or the second card slot, described second Support body 123 is equipped with the first card slot and/or the second buckle, first supporter 122 and the second supporter 123 pass through the first card Button is mutually clamped connection with the first card slot, the second buckle and the second card slot.

Further, 122 outside side wall of the first supporting element is additionally provided with multiple pillars 1222, and the card of filter core 121 sets process In, the multiple 1222 end of pillar is contradicted in 121 inside of filter core.The pillar that this programme provides can play support to filter core Effect, avoids filter core from being fitted tightly on the first supporting element outside side wall, to avoid filter core absorption uneven and influence filter core The problem of service life.

Further, side ring is set in 122 outer ledge of the first supporting element and/or 123 cyclic structure of the second supporting element There are multiple protrusions, when the filter core 121 is fastened on the first supporting element 122 and intermediate the second supporting element 123, the protrusion is pressed together on On the filter core edge.This programme enables to filter core fixation closer, and filter core is avoided to shift.

Further, first supporter 122 and/or the second supporter 123 are equipped with accepting hole 1232, the receiving Hole 1232 is for placing fragrant pearl, drug etc..In the present embodiment, the accepting hole 1232 is set on second supporter 123.

Further, be additionally provided with the first check valve on the filter element 12, first check valve allow gas from The discharge of protective face mask Inside To Outside.This programme allows exhaled gas preferentially single from first by the first check valve of setting It is expelled on the outside of protective face mask to valve, to reduce the amount for the exhaled gas being discharged from filter core, extend filter core uses the longevity Life.

In the present embodiment, first check valve includes valve seat 1223 and valve block 1224, and the valve seat 1223 is set to described On first supporter 122, the valve block is set in the valve seat 1223；The filter core 121 and the second supporting element 123 are equipped with just First through hole 1211 and the second through-hole 1233 to first check valve.

Further, the first clamping portion is equipped on the outside of first supporter 122, first clamping portion ring is located at described The edge periphery of valve seat；Second supporter 123 is equipped with the second clamping portion to fasten with first clamping portion, described The edge of 121 first through hole of filter core is fastened between first clamping portion and the second clamping portion.

Further, the protective face mask further includes water suction item 15；1231 both ends of blend stop are connected to the second card Above socket part bottom end and 123 bottom end of the second supporting element, it is equipped on the outside of the blend stop 1231 for accommodating opening for the water suction item 15 Slot.This programme can absorb the moisture from the gas breathed out in the first check valve in time, prevent moisture accumulation from influencing mask anti- Protect effect.The lower section of the first unidirectional valve air gate is arranged in the item that absorbs water by this programme, can remove the water in exhaled gas in time Point, avoid moisture accumulation inside protective face mask.

Further, the water suction item 15 is equipped with the first card hole, and the fluting inner wall, which is equipped with, sets described for card First card column of one card hole.This programme can be avoided water suction item and fall off.

Further, it is equipped on the outside of second supporting element 123 and is enclosed in second through-hole 1233 and the fluting The retaining ring in outside, when the filter element 12 is arranged on the inside of mask body, the retaining ring is closely contradicted on the inside of mask body. Exhaled gas can be limited on the inside of retaining ring and in the chamber that mask body encloses by this programme, make exhaled gas directly from mask It is flowed out in the first venthole on ontology, exhaled gas is avoided to be back in second chamber from filter element.

Further, the retaining ring bottom end be equipped with perforative first limbers, the mask body bottom end be equipped with it is described Second limbers of the first limbers connection.This programme enables to breathe out by the first limbers of setting and the second limbers The moisture agglomerated in gas is flow on the outside of protective face mask.

Further, multiple protrusions are also equipped on 123 outer ledge of the second supporting element.This programme can increase Frictional force when filter unit plugs avoids filter element and mask body inner edge from bonding and damage mask.

Further, as shown in figure 8,122 top of the first supporter and the top of second supporter 123 are revolved It connects.Specifically, it originally applies in example, 122 top of the first supporter is equipped with lateral connecting rod, and second supporter 123 pushes up End be equipped with the button that is screwed on for engaging the connecting rod, be fastened in the connecting rod by the mouth that will be screwed on, it can be achieved that first Being screwed between supporter 122 and the second supporter 123.This programme can be improved the integrated level of filter element, reduce first The difficulty of supporter and the alignment engaging of the second supporter, simplifies the installation step of filter element.

Further, as shown in figure 9,122 inside side walls of the first supporter are equipped with mounting base 1225, the installation 1225 rings of seat are located at the first check valve periphery；The protective face mask 1 further includes nose cup 16, and the nose cup has round knot Structure, including retainer plate 161, the second sealing ring 162 and at least one second one-way valve 163,161 outer end of retainer plate are mounted on In the mounting base 1225, second sealing ring 162 is connected to the inner end of the fixing end 151, the second one-way valve 163 On the side wall of the retainer plate 161；When wearing the protective face mask, second sealing ring 162 is pressed on nose outer rim, The first chamber for being provide with user's nose is formed between 16 inside of nose cup, filter element 12；First sealing ring 13 The second chamber for being provide with user's oral area is formed between inside, 16 outside of filter element 12 and nose cup；The second one-way valve 163 can Allow gas intracavitary from the inflow first of the second chamber.This programme is by setting nose cup, so that protective face mask is particularly suitable for passing through mouth The breathing pattern that chamber and/or nasal cavity air-breathing, nasal cavity are exhaled.When air-breathing, air enters in protective face mask after filter element filters Side, when passing through oral inhalation, oral cavity is inhalable to enter the second intracavitary air；When by nasal cavity air-breathing, in the work of breathing negative pressure Under, it is intracavitary that the air intracavitary into second can flow into first through second one-way valve, then is sucked into user lung.With not The protective face mask that nose cup is arranged is compared, and exhaled gas, can be rapidly unidirectional from first in first chamber under the action of pressure It is discharged, to effectively reduce accumulated amount of the exhaled gas on the inside of protective face mask, will not keep away to diffuse to second intracavitary in valve Exempt from the moisture condensation in exhaled gas influences the filter effect of filter core in filter core, improves the comfort that protective face mask uses.

Further, the retainer plate 161 is made of plastic material, and second sealing ring 162 is made of silica gel material； The retainer plate 161 is connected with the second sealing ring 162 by secondary injection molding method.

Further, as shown in Figure 10, the protective face mask 1 further includes two groups and is connected to mask body 11 or so two The headgear assemblies of alar part are held, the headgear assemblies include connector 171, headband 172 and fixing sleeve 173, and the connector 171 wraps The first connecting pin and second connection end are included, first connecting pin with 11 alar part of mask body for connecting, and described second The side wall of connecting pin is equipped with the groove for being through to second connection end end, and it is convex that the groove inner wall is equipped at least one The second card column out；Described 172 one end of headband has interconnecting piece 1721,1721 structure of interconnecting piece and the groove structure phase Cooperation, which is provided with the second card hole for being set in the second card column；173 lumen thickness of fixing sleeve and second connection end It is identical with the thickness of headband 172；When assembly, the fixing sleeve is threaded through on the headband, and the interconnecting piece 1721 cooperation is set Set in the groove of the second connection end, the mobile fixing sleeve 173 to being set in outside second connection end, realize headband with Mask body is detachably connected；The headband other end of two groups of headgear assemblies can be connected with each other, to realize mask body Fixation on user head.The headband connection type structure that this programme provides is simple, not easily to fall off.

In the present embodiment, the connector can be fixedly connected with mask body by the method for secondary injection molding.Into one Step ground, the headgear assemblies further include ear-hang 174, and the ear-hang 174 is made of elastic material, including is located in the middle hangers band 1741 and two movable sleeves 1742 at 1741 both ends of hangers band are connected to, described two movable sleeves 1742 are described same for being set in On one headband 173.The protective face mask that this programme provides is during wearing, after headgear assemblies are fixed on user head, ear-hang For being hung on user ear, so that the wearing of protective face mask is more stable.

One alternate embodiment of the utility model additionally provides a kind of protective face mask, and the difference with first embodiment is only that, Hangers band one end connects movable sleeve, and the other end is fixedly connected in the headband/mask body.

The foregoing is merely the better embodiments of the utility model, are not intended to limit the utility model, it is all It is practical new to should be included in this for made any modifications, equivalent replacements, and improvements etc. within the spirit and principles of the utility model Within the protection scope of type.

Claims (9)

1. a kind of protective face mask with removable head band, which is characterized in that described including mask body and two groups of headgear assemblies Two groups of headgear assemblies one end are connect with mask body left and right ends alar part respectively, and the other end, which can be connected with each other, makes the mask Ontology is fixed on user's face；The headgear assemblies include connector, headband and fixing sleeve, and the connector includes the first company End and second connection end are connect, first connecting pin with the mask body alar part for connecting, the side of the second connection end Wall is equipped with the groove for being through to second connection end end, and the groove inner wall is equipped with the second card of at least one protrusion Column；Described headband one end has the interconnecting piece matched with the groove structure, which is provided with for being set in the second card column The second card hole；The fixing sleeve lumen thickness is identical as the thickness of second connection end and headband；When assembly, the fixation is worn It is located on the headband, the interconnecting piece is fastened in the groove of the second connection end, the mobile fixing sleeve is to being arranged Outside second connection end, being detachably connected for headband and mask body is realized.

2. the protective face mask according to claim 1 with removable head band, which is characterized in that the headgear assemblies are also wrapped Ear-hang is included, the ear-hang is made of elastic material, including being located in the middle hangers band and being connected to two work of the hangers with both ends Dynamic set, described two movable sleeves are for being set in the same headband.

3. the protective face mask according to claim 1 with removable head band, which is characterized in that the protective face mask also wraps Filter element and the first sealing ring are included, the mask body has the domes enclosed inwardly, which is provided with multiple run through First venthole of two sides；The filter element has the domes roughly the same with the mask body, is sticked described On the inside of mask body, for filtering the air of breathing；First sealing ring includes along the radial sequentially connected first lap of circle body Body and the second circle body, first circle body one end are connected on the mask body inside edge, and the other end is to far from mask sheet Body center position extends, and the extending direction at extending direction and mask body edge forms acute angle, and second circle body is from first Circle body end is crimped to mask body center position；When wearing, the protective face mask is arranged in user's face, and described first is close Seal is pressed on mouth and nose outer rim.

4. the protective face mask according to claim 3 with removable head band, which is characterized in that described first circle body or so The length at both ends is not less than 5mm；First circle body left and right ends extending direction and mask body left and right ends extending direction Angle is not more than 60 °.

5. the protective face mask according to claim 3 with removable head band, which is characterized in that the filter element includes Filter core, the first supporting element and the second supporting element, the filter core are flexible sheet structure；First supporting element is arch plate knot Structure which is provided with multiple second ventholes；Second supporting element, which has, to be matched with the first supporting element marginal texture Cyclic structure which is provided with blend stop；First supporting element and the second supporting element fix filter core after being mutually clamped from filter core two sides.

6. the protective face mask according to claim 5 with removable head band, which is characterized in that outside first supporting element It is equipped with multiple protrusions on the inside of side edge and/or the second supporting element cyclic structure, the filter core is fastened on the first supporting element and the When among two supporting elements, the protrusion is pressed together on the filter core edge.

7. the protective face mask according to claim 5 with removable head band, which is characterized in that on the filter element also Equipped with the first check valve, first check valve allows gas to be discharged from protective face mask Inside To Outside.

8. the protective face mask according to claim 7 with removable head band, which is characterized in that the first check valve packet Valve seat and valve block are included, the valve seat is set on first supporting element, and the valve block is set in the valve seat；The filter core and Two supporting elements are equipped with the first through hole and the second through-hole of the first check valve described in face.

9. the protective face mask according to claim 8 with removable head band, which is characterized in that the protective face mask also wraps Include water suction item；The blend stop both ends are connected to above the second clamping portion bottom end and the second supporting element bottom end, outside the blend stop Side is equipped with the fluting for accommodating the water suction item.