CN204890882U - Face mask assembly - Google Patents
Face mask assembly Download PDFInfo
- Publication number
- CN204890882U CN204890882U CN201520434712.4U CN201520434712U CN204890882U CN 204890882 U CN204890882 U CN 204890882U CN 201520434712 U CN201520434712 U CN 201520434712U CN 204890882 U CN204890882 U CN 204890882U
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- China
- Prior art keywords
- gas outlet
- conducting element
- face shield
- forehead supports
- shield assembly
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
- A61M16/0605—Means for improving the adaptation of the mask to the patient
- A61M16/0633—Means for improving the adaptation of the mask to the patient with forehead support
- A61M16/0644—Means for improving the adaptation of the mask to the patient with forehead support having the means for adjusting its position
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
- A61M16/0605—Means for improving the adaptation of the mask to the patient
- A61M16/0616—Means for improving the adaptation of the mask to the patient with face sealing means comprising a flap or membrane projecting inwards, such that sealing increases with increasing inhalation gas pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
- A61M16/0816—Joints or connectors
- A61M16/0825—Joints or connectors with ball-sockets
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
- A61M16/0605—Means for improving the adaptation of the mask to the patient
- A61M16/0633—Means for improving the adaptation of the mask to the patient with forehead support
- A61M16/0644—Means for improving the adaptation of the mask to the patient with forehead support having the means for adjusting its position
- A61M16/065—Means for improving the adaptation of the mask to the patient with forehead support having the means for adjusting its position in the form of a pivot
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/02—Gases
- A61M2202/0225—Carbon oxides, e.g. Carbon dioxide
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/42—Reducing noise
Landscapes
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model provides a face mask assembly. This face mask assembly includes: the frame is provided with first gas outlet, forehead support is provided with the second gas outlet, water conservancy diversion spare, include with the first end of first gas outlet complex, with second gas outlet complex second end and formation are followed first end link up the passageway of second end, the passageway intercommunication first gas outlet and second gas outlet. The utility model discloses an in face mask assembly's the embodiment, the exhaust passage of setting between forehead support and frame is favorable to carbon dioxide's emission, has avoided carbon dioxide by repeated suction, the noise that has produced when also having reduced simultaneously the air current offset.
Description
Technical field
This utility model relates to breathing assistance apparatus, particularly a kind of face shield assembly.
Background technology
As everyone knows, face shield assembly (or claiming breathing mask) is mainly applied in the treatment of the continuous positive airway pressure of various respiratory tract disease or sleep disordered breathing.Face shield assembly needs to be connected with respirator usually, respirable gas that respirator exports is supplied to wearer.
Human body constantly sucks air from respirator by CPAP face shield, simultaneously also the gas such as outwards to give off carbon dioxide continuously.Face shield as sucking and the place of breath, the gas of exhalation is discharged in time just can avoid carbon dioxide repeat suction.Therefore, select the air vent of correct position extremely important.The air vent of correct position is conducive to the discharge of carbon dioxide, and that reduces carbon dioxide repeats suction, is conducive to reducing noise, reduces air-flow to the interference of companion.But the intake interface of face shield of the prior art and air vent are arranged on bend pipe, expellant gas in face shield main cavity gas can not be discharged in time, form so-called dead space, cause carbon dioxide to repeat to suck; And the intake interface of face shield of the prior art and air vent are all arranged on bend pipe, a part of gas that intake interface is entered directly is discharged from air vent, and the waste gas causing part needs to be discharged can not be discharged smoothly.Waste gas can not be repeated to suck, because this reducing the satisfaction of wearer by patient by discharge section waste gas in time.
Utility model content
Technical problem to be solved in the utility model is can not the deficiency of timely smooth and easy discharge in order to overcome the waste gas of breathing out in face shield in prior art.
For the problems referred to above, the utility model proposes a kind of face shield assembly, comprising: framework, be provided with the first gas outlet; Forehead supports, is provided with the second gas outlet; Conducting element, comprises the first end coordinated with described first gas outlet, the second end coordinated with described second gas outlet and forms the passage penetrating into described second end from described first end, the first gas outlet described in described channel connection and the second gas outlet.
According to the embodiment of face shield assembly of the present utility model, it comprises framework, forehead supports and conducting element.Framework is provided with the first gas outlet.Forehead supports is provided with the second gas outlet.Conducting element is provided with the passage of conducting first gas outlet and the second gas outlet.Like this, the waste gas in framework can through the first gas outlet, passage and the second gas outlet be discharged in external environment.In prior art, gas outlet is arranged on intake elbow, first gas outlet is directly arranged on framework by this utility model, the position of the first gas outlet and the air inlet of face shield assembly be not on same position, thus the air inlet of face shield assembly and aerofluxus are formed circulate benignly, avoid inlet air flow and exhaust stream liquidates.Therefore, the discharge being conducive to carbon dioxide being provided separately intake interface and air vent of face shield assembly, avoids carbon dioxide and is repeated to suck, also reduce the noise produced when air-flow liquidates simultaneously.And by conducting element, the first gas outlet of framework is communicated with the second gas outlet of forehead supports, the second gas outlet from the first gas outlet effluent air from forehead supports is discharged, can avoid directly blowing forehead supports from the first gas outlet effluent air, extend gas flow outbound path, reduce the noise that gas is discharged.
In one embodiment, described framework is provided with intake interface, between the axis of described first gas outlet and the axis of described intake interface, is formed with angle.
In one embodiment, described framework comprises the first connecting portion, and described forehead supports comprises second connecting portion hinged with described first connecting portion.
In one embodiment, described first connecting portion is described intake interface, and described second connecting portion comprises the adapter sleeve be fixedly installed on described forehead supports, described adapter sleeve to be sheathed in described intake interface and with described intake interface ball-joint.
In one embodiment, described second gas outlet is set to sieve aperture, and the second end of described conducting element is connected with described forehead supports, and whole described sieve aperture is connected with described passage.
In one embodiment, described forehead supports is also provided with installing hole, described installing hole is arranged around whole described sieve aperture, and the second end of described conducting element is connected with described forehead supports by described installing hole.
In one embodiment, described passage is set to sieve aperture near the part of the second end of described conducting element, and whole described sieve aperture is connected with described second gas outlet.
In one embodiment, the first end of described conducting element is removably fixedly connected with described framework; Second end of described conducting element is removably fixedly connected with described forehead supports.
In one embodiment, described second gas outlet is set to sieve aperture, described forehead supports is provided with around described sieve aperture and the projection of the hollow form extended towards described framework; End away from described forehead supports surface is provided with peripheral flange to described projection, and described conducting element is provided with the buckling groove matched with described peripheral flange on the described channel inner surface of the second end.
In one embodiment, described conducting element is elastic component.
According to the embodiment of face shield assembly of the present utility model, it comprises framework, forehead supports and conducting element.Framework is provided with the first gas outlet.Forehead supports is provided with the second gas outlet.Conducting element is provided with the passage of conducting first gas outlet and the second gas outlet.Like this, the waste gas in framework can through the first gas outlet, passage and the second gas outlet be discharged in external environment.In prior art, gas outlet is arranged on intake elbow, first gas outlet is directly arranged on framework by this utility model, the position of the first gas outlet and the air inlet of face shield assembly be not on same position, thus the air inlet of face shield assembly and aerofluxus are formed circulate benignly, avoid inlet air flow and exhaust stream liquidates.Therefore, the discharge being conducive to carbon dioxide being provided separately intake interface and air vent of face shield assembly, avoids carbon dioxide and is repeated to suck, also reduce the noise produced when air-flow liquidates simultaneously.And by conducting element, the first gas outlet of framework is communicated with the second gas outlet of forehead supports, the second gas outlet from the first gas outlet effluent air from forehead supports is discharged, can avoid directly blowing forehead supports from the first gas outlet effluent air, extend gas flow outbound path, reduce the noise that gas is discharged.
When conducting element is connected together by the installing hole be arranged on forehead supports, conducting element can not be separated from from forehead supports, prevents the accident of conducting element from losing.Conducting element and forehead supports and framework by together with being removably fixedly attached to time, conducting element can disassemble and carry out cleaning and sterilizing by wearer termly.
Accompanying drawing explanation
Also will be described in more detail this utility model with reference to accompanying drawing based on embodiment hereinafter.
Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of face shield assembly of the present utility model.
Fig. 2 is the structural representation of the spherical rotating shaft of face shield assembly of the present utility model.
Fig. 3 is the structural representation of the framework of face shield assembly of the present utility model.
Fig. 4 is the forehead support structures schematic diagram of the first embodiment of face shield assembly of the present utility model.
Fig. 5 is the structural representation of the conducting element of the first embodiment of face shield assembly of the present utility model.
Fig. 6 is the entirety assembling schematic diagram of the first embodiment of face shield assembly of the present utility model.
Fig. 7 is A-A cross-sectional schematic in Fig. 5.
Fig. 8 is the structural representation of the conducting element of the second embodiment of face shield assembly of the present utility model.
Fig. 9 is the conducting element scheme of installation of the second embodiment of face shield assembly of the present utility model.
Figure 10 is the forehead support structures schematic diagram of the 3rd embodiment of face shield assembly of the present utility model.
Figure 11 is the partial enlarged drawing at B place in Figure 10.
Figure 12 is the structural representation of the conducting element of the 3rd embodiment of face shield assembly of the present utility model.
Figure 13 be of the present utility model be provided with the forehead supports of the 3rd embodiment and the face shield assembly of conducting element complete section schematic diagram.
Description of symbols:
11, chassis body; 111, the first gas outlet; 112, intake interface; 113, liner; 1121, interior burnishing surface; 12, forehead supports; 121, the second gas outlet; 122, installing hole; 123, projection; 124, peripheral flange; 13, winding pipe assembly; 14, spherical rotating shaft; 141, burnishing surface; 15, elastic component; 151, the first fixed part; 152, the second fixed part; 153, the 3rd fixed part; 154, the first circumferential slot; 155, passage; 156, the second circumferential slot; 157, buckling groove; 16, sieve aperture; 98, discharge directions; 99, airintake direction; 100, intake interface axis; The angle of α, discharge directions and airintake direction.
In the accompanying drawings, identical parts use identical Reference numeral.Accompanying drawing is not according to the scale of reality.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
The embodiment of face shield assembly of the present utility model, as shown in Figure 1, it comprises framework and is arranged at the forehead supports 12 on framework swingably.The chassis body 11 that framework comprises liner 113 and is connected with liner 113.Chassis body 11 and liner 113 can be arranged in split, are connected by clamping, the mode such as bonding; Also can be one-body molded by secondary encapsulate.Liner 113 uses flexible material processing and manufacturing, with make its better more cosily with the contact skin of people, simultaneously also can be good with the skin attachement of people, ensure air-tightness.Chassis body 11 also comprises intake interface 112.Position near intake interface 112 in chassis body 11 is provided with the first gas outlet 111.First internal medium of gas outlet 111 implementation framework main body 11 and being communicated with of external environment condition.Angle is formed between the axis of the first gas outlet 111 and the axis of intake interface 112.The pars intermedia that forehead supports 12 comprises the installation portion be connected with chassis body 11, the sticking part of fitting with forehead and is connected and installed portion and sticking part.The pars intermedia of forehead supports 12 is provided with the second gas outlet 121.Second gas outlet 121 is as the air vent of face shield assembly, and the gas of chassis body 11 inside finally can be discharged in atmospheric environment from the second gas outlet 121.
Conducting element is provided with between the first gas outlet 111 and the second gas outlet 121.Conducting element comprises the first end coordinated with the first gas outlet, the second end coordinated with the second gas outlet and forms the passage 155 penetrating into the second end from first end.In one embodiment, the end face of first end can directly bond in chassis body 11, and passage 155 is communicated with completely with the first gas outlet 111.The end face of the second end can bond to forehead supports 12 towards on the surface of chassis body 11 by support, and passage 155 is communicated with completely with the second gas outlet 121.Like this, when wearer wears this face shield assembly, the gas that wearer breathes out can be discharged in atmospheric environment by the first gas outlet 111, passage 155 and the second gas outlet 121.
The exhaust passage that first gas outlet 111, passage 155 and the second gas outlet 121 are formed no longer overlaps with the inlet channel of winding pipe assembly 13.Because the axis of the first gas outlet 111 and the axis of intake interface 112 are formed with angle, therefore, between the discharge directions 98 of face shield assembly and airintake direction 99, also form angle α (as shown in figure 13).Usually, angle α is between 30 ° to 60 °; When wearing face shield assembly of the present utility model to make wearer, the air-flow of discharging from forehead supports 12 can not liquidate with the air-flow entered from bend pipe, is beneficial to the discharge of waste gas.Discharge directions 98 and airintake direction 99 formed roughly miter angle time, gas is blown out obliquely, farthest can reduce the interference of air-flow to companion.Therefore, the air vent be arranged on forehead supports 12 is conducive to the discharge of carbon dioxide, avoids carbon dioxide and is repeated to suck, also reduce the noise produced when air-flow liquidates simultaneously, reduce air-flow to other people impact.
Chassis body 11 comprises the first connecting portion.Forehead supports 12 is provided with second connecting portion hinged with the first connecting portion.
In the present embodiment, the first connecting portion comprises the intake interface 112 in chassis body 11.The installation portion of forehead supports 12 is provided with connecting through hole.Second connecting portion comprises the adapter sleeve being sheathed on connecting through hole of forehead supports 12.One end of adapter sleeve and intake interface 112 ball-joint.As shown in Figure 2 and Figure 3, the adapter sleeve be fixedly connected with chassis body 11 intake interface 112 ball-joint and with the connecting through hole of forehead supports 12 is spherical rotating shaft 14.Spherical rotating shaft 14 is provided with two parallel burnishing surfaces 141.After the burnishing surface 141 of spherical rotating shaft 14 matches with the interior burnishing surface 1121 that intake interface 112 inner surface of chassis body 11 is arranged, spherical rotating shaft 14 only to swing in intake interface 112.
In other examples, the first connecting portion is connected with the second connecting portion pivot joint.Such as: the first connecting portion is the first bracing frame be arranged in chassis body, the first bracing frame is provided with the first installing hole; Second connecting portion is the second bracing frame of the pars intermedia being arranged on forehead supports, the second bracing frame is provided with second installing hole corresponding with the first installing hole, and the first installing hole and the second installing hole are pivotally connected.
In the present embodiment, conducting element 15 is the elastic components self with elastic deformation characteristic, can deform when being subject to external force, again can reinstatement after removing external force.Like this, when actuating the forehead supports 12 be connected with spherical rotating shaft 14, forehead supports 12 can swing, and applies stress to conducting element 15.
When forehead supports 12 swings towards near wearer's forehead, forehead supports 12 can compress conducting element makes it that elastic deformation occur.After conducting element 15 is out of shape, passage 155 still keeps unimpeded, does not affect air-flow and passes through from conducting element.Swingable forehead supports 12 can be adjusted to the distance of wearer's forehead, and what meet the different forehead height of different wearer wears demand.In addition, the air vent that the second gas outlet 121 that the pars intermedia of forehead supports 12 is arranged is formed limits discharge directions 98.When wearer wears this face shield assembly, discharge directions 98 is towards oblique upper, and exhaust jet stream no longer faces the other people such as the companion being positioned at wearer front, decreases and discharges air-flow to the interference of the other people such as companion, improve the comfort level worn.
In one embodiment, the two ends of conducting element 15 adopt bonding mode to bond together with forehead supports 12 and chassis body 11 respectively, ensure that passage 155, first gas outlet 111 is connected with the second gas outlet 121 with this.Such mounting means is quick and convenient, need not carry out too much processing to forehead supports 12, conducting element 15 and chassis body 11.In the present embodiment, the second gas outlet 121 is sieve apertures 16.Sieve aperture 16 is bellmouths, and the aperture towards atmospheric environment side is less than the aperture towards passage 155 side.
In one embodiment, as shown in Figure 4, the second gas outlet 121 is sieve apertures 16.Sieve aperture 16 is bellmouths, and the aperture towards atmospheric environment side is less than the aperture towards passage 155 side.Forehead supports 12 is also provided with the installing hole 122 around whole sieve aperture 16.Installing hole 122 is uniformly distributed circumferentially around whole sieve apertures 16.
Second end of conducting element 15 is connected to forehead supports 12 by installing hole 122.Second end of conducting element 15 comprises the first fixed part 151, second fixed part 152 and the 3rd fixed part 153.Connection procedure is, first on forehead supports 12, processes sieve aperture 16 and installing hole 122, then adopts encapsulate processes to go out conducting element 15.First fixed part 151 of conducting element 15 is positioned at the outside of forehead supports 12, and the second fixed part 152 is positioned at the inner side of forehead supports 12.The 3rd fixed part 153, first fixed part 151 being filled with conducting element 15 in installing hole 122 is all connected as a whole with the 3rd fixed part 153 with the second fixed part 152.Like this, as shown in Figure 6, Figure 7, after completing encapsulate technique, conducting element 15 is just formed as a whole with forehead supports 12, can not be removed from forehead supports 12, unless carried out damage type dismounting to conducting element 15.Conducting element 15 can not depart from and the coordinating of the second gas outlet 121 in deformation process, and such conducting element 15 is also not easy to lose.
In one embodiment, the first end of conducting element 15 can adopt bonding connected mode to be fixedly connected with chassis body 11.In addition, as shown in Figure 5, the first circumferential slot 154 can be set on the end outer surface of conducting element 15 first end.As shown in Figure 7, firmly the first end of conducting element 15 is inserted in the first gas outlet 111, to realize the connection of conducting element 15 and chassis body 11 on the outer wall allowing the first circumferential slot 154 snap fit onto chassis body 11.Preferably, coating bonding agent in the first circumferential slot 154, after the first circumferential slot 154 with the outer wall clamping of chassis body 11, the surface of outer wall and the first circumferential slot 154 can be bonded together by bonding agent.Like this, end and the outer wall of first end achieve a fixed connection, and the end of first end also can not be made to deform and cause the end of first end to depart from and being fixedly connected with of outer wall when conducting element 15 deforms.End and the outer wall of first end complete bonding after, also ensure that the air-tightness at this place, air-flow can not be revealed from the gap location between the first circumferential slot 154 and outer wall surface.
In one embodiment, as shown in Figure 8, passage 155 is set to sieve aperture 16 near the part of conducting element 15 second end.Sieve aperture 16 is bellmouths, and the aperture towards atmospheric environment side is less than the aperture towards passage 155 side.Sieve aperture 16 is arranged on conducting element 15 relative to being arranged on easier processing and manufacturing on forehead supports 12.Second gas outlet 121 is constructed to the through hole of the end of accommodation second end.Like this, the second gas outlet 121 is constructed to through hole relative to the 16 more convenient processing and manufacturings that are constructed to sieve aperture.
The second end conducting element 15 being provided with sieve aperture 16 matches with the second gas outlet 121.Second end can be inserted into the second gas outlet 121 and be formed a fixed connection by bonding way and forehead supports 12.In one embodiment, as shown in Figure 8, Figure 9, the second end also can arrange the second circumferential slot 156.The inner surface of the second gas outlet 121 is provided with the projection matched with the second circumferential slot 156.Preferably, projection achieves a fixed connection with bonding connected mode with the second circumferential slot 156, and stablizing that guarantee is fixedly connected with is firm.The first end of conducting element 15 can adopt bonding connected mode to be fixedly connected with chassis body 11.In addition, the end of the first end of conducting element 15 to be inserted in the first gas outlet 111 and to be bonded together with the outer wall of chassis body 11 by the first circumferential slot 154 of being arranged on end outer surface and achieves a fixed connection, and ensures that the air-tightness at this place is firm with stablizing of being fixedly connected with.
In one embodiment, as shown in Figure 10, Figure 11, the second gas outlet 121 is set to sieve aperture 16.Sieve aperture 16 is bellmouths, and the aperture towards atmospheric environment side is less than the aperture towards passage 155 side.Forehead supports 12 is provided with the projection 123 extended towards chassis body 11.Projection 123 is hollow, is namely provided with centre bore.Centre bore is connected with all sieve apertures 16.The end on the top (that one end away from forehead supports 12 surface) of projection 123 is provided with peripheral flange 124.
As shown in figure 12, passage 155 is provided with the buckling groove 157 matched with peripheral flange 124 on the inner surface of the second end of conducting element 15.After projection 123 is inserted into passage 155, peripheral flange 124 just snaps onto in buckling groove 157 to realize the connection of conducting element 15 and forehead supports 12.Preferably, peripheral flange 124 and buckling groove 157 adopt bonding connected mode to achieve a fixed connection, and ensure that air-tightness is firm with stablizing of being fixedly connected with.The first end of conducting element 15 can adopt bonding connected mode to be fixedly connected with chassis body 11.In addition, the end of the first end of conducting element 15 to be inserted in the first gas outlet 111 and to be bonded together with the outer wall of chassis body 11 by the first circumferential slot 154 of being arranged on outer surface and achieves a fixed connection, and ensures that the air-tightness at this place is firm with stablizing of being fixedly connected with.
Alternatively, the passage 155 of conducting element 15 is shoulder holes.Middle aperture is maximum and the wall thickness opposite end at middle part is thinner.Like this, when conducting element 15 is when being compressed, middle part more easily deforms.Conducting element 15 can use the materials processing such as silica gel, rubber manufacture to form.
Alternatively, the conducting element 15 of above embodiment is bullet pad.The material of processing and manufacturing bullet pad comprises rubber or silica gel material.
The embodiment of face shield assembly of the present utility model, comprises the second gas outlet 121 that the first gas outlet 111 of setting in chassis body 11, forehead supports 12 are arranged and the conducting element connecting forehead supports 12 and chassis body 11.The discharge directions 98 of the exhaust passage formed by passage 155 and second gas outlet 121 of the first gas outlet 111, conducting element and axis 100 shape of the intake interface 112 of chassis body 11 are in an angle, the i.e. angle α (as shown in figure 13) that formed of discharge directions 98 and airintake direction 99, the scope of this angle α is 40 degree to 60 degree.Preferably, the angle of this angle is 45 degree.Like this, exhaust passage can not be overlapping with the inlet channel of bend pipe.
When wearer wears face shield assembly of the present utility model, the air-flow of discharging from forehead supports 12 can not liquidate with the air-flow entered from bend pipe.Therefore, air vent is arranged on discharge forehead supports 12 being conducive to carbon dioxide, avoids carbon dioxide and is repeated to suck, also reduce the noise produced when air-flow liquidates simultaneously.In addition, when wearing face shield assembly of the present utility model, the discharge directions 98 of exhaust passage is towards oblique upper, and exhaust jet stream no longer faces the other people such as the companion being positioned at wearer front, decrease and discharge air-flow to the interference of the other people such as companion, improve the comfort level worn.Thus what swingable forehead supports 12 can meet the different forehead height of different wearer wears demand.
Although be described this utility model with reference to preferred embodiment, when not departing from scope of the present utility model, various improvement can be carried out to it and parts wherein can be replaced with equivalent.Especially, only otherwise there is structural hazard, the every technical characteristic mentioned in each embodiment all can combine in any way.This utility model is not limited to specific embodiment disclosed in literary composition, but comprises all technical schemes fallen in the scope of claim.
Claims (10)
1. a face shield assembly, is characterized in that, comprising:
Framework, is provided with the first gas outlet;
Forehead supports, is provided with the second gas outlet;
Conducting element, comprises the first end coordinated with described first gas outlet, the second end coordinated with described second gas outlet and forms the passage penetrating into described second end from described first end, the first gas outlet described in described channel connection and the second gas outlet.
2. face shield assembly according to claim 1, is characterized in that, described framework is provided with intake interface, is formed with angle between the axis of described first gas outlet and the axis of described intake interface.
3. face shield assembly according to claim 2, is characterized in that, described framework comprises the first connecting portion, and described forehead supports comprises second connecting portion hinged with described first connecting portion.
4. face shield assembly according to claim 3, it is characterized in that, described first connecting portion is described intake interface, and described second connecting portion comprises the adapter sleeve be fixedly installed on described forehead supports, described adapter sleeve to be sheathed in described intake interface and with described intake interface ball-joint.
5. face shield assembly according to claim 1, is characterized in that, described second gas outlet is set to sieve aperture, and the second end of described conducting element is connected with described forehead supports, and whole described sieve aperture is connected with described passage.
6. face shield assembly according to claim 5, is characterized in that, described forehead supports is also provided with installing hole, and described installing hole is arranged around whole described sieve aperture, and the second end of described conducting element is connected with described forehead supports by described installing hole.
7. face shield assembly according to claim 1, is characterized in that, described passage is set to sieve aperture near the part of the second end of described conducting element, and whole described sieve aperture is connected with described second gas outlet.
8. face shield assembly according to claim 1, is characterized in that, the first end of described conducting element is removably fixedly connected with described framework; Second end of described conducting element is removably fixedly connected with described forehead supports.
9. face shield assembly according to claim 8, is characterized in that:
Described second gas outlet is set to sieve aperture, described forehead supports is provided with around described sieve aperture and the projection of the hollow form extended towards described framework;
End away from described forehead supports surface is provided with peripheral flange to described projection, and described conducting element is provided with the buckling groove matched with described peripheral flange on the described channel inner surface of the second end.
10. the face shield assembly according to claim arbitrary in claim 1 to 9, is characterized in that, described conducting element is elastic component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520434712.4U CN204890882U (en) | 2015-06-23 | 2015-06-23 | Face mask assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520434712.4U CN204890882U (en) | 2015-06-23 | 2015-06-23 | Face mask assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204890882U true CN204890882U (en) | 2015-12-23 |
Family
ID=54913101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520434712.4U Active CN204890882U (en) | 2015-06-23 | 2015-06-23 | Face mask assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204890882U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105079933A (en) * | 2015-06-23 | 2015-11-25 | 北京怡和嘉业医疗科技有限公司 | Mask assembly |
| CN109125874A (en) * | 2017-06-19 | 2019-01-04 | 律维施泰因医学技术股份有限公司 | Breathing mask with breathing gas opening in mask body |
| CN109568756A (en) * | 2018-12-29 | 2019-04-05 | 天津觉明科技有限公司 | Breathing mask and ventilation therapy equipment |
| CN114072189A (en) * | 2019-05-08 | 2022-02-18 | 雷斯平诺维有限公司 | System for delivering inhalation therapy |
-
2015
- 2015-06-23 CN CN201520434712.4U patent/CN204890882U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105079933A (en) * | 2015-06-23 | 2015-11-25 | 北京怡和嘉业医疗科技有限公司 | Mask assembly |
| WO2016206364A1 (en) * | 2015-06-23 | 2016-12-29 | 北京怡和嘉业医疗科技有限公司 | Face mask assembly |
| CN109125874A (en) * | 2017-06-19 | 2019-01-04 | 律维施泰因医学技术股份有限公司 | Breathing mask with breathing gas opening in mask body |
| CN109125874B (en) * | 2017-06-19 | 2023-09-15 | 律维施泰因医学技术股份有限公司 | Respiratory mask with breathing gas opening in mask body |
| CN109568756A (en) * | 2018-12-29 | 2019-04-05 | 天津觉明科技有限公司 | Breathing mask and ventilation therapy equipment |
| CN114072189A (en) * | 2019-05-08 | 2022-02-18 | 雷斯平诺维有限公司 | System for delivering inhalation therapy |
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Address after: 100043, five main floor, 19 West Street, Shijingshan District, Beijing. Patentee after: Beijing Ka Yip Yee medical Polytron Technologies Inc Address before: 100043, five main floor, 19 West Street, Shijingshan District, Beijing. Patentee before: Beijing delightful harmony Jia Ye medical science and technology company limited |
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