CN113616950B

CN113616950B - Protective mask with internal air conditioning device

Info

Publication number: CN113616950B
Application number: CN202111183081.XA
Authority: CN
Inventors: 蔡亨
Original assignee: Nantong Lin'an Safety Equipment Technology Co ltd
Current assignee: Jilin Academy of Traditional Chinese Medicine
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-02-08
Anticipated expiration: 2041-10-11
Also published as: CN113616950A

Abstract

The invention relates to the technical field of air conditioning inside a protective mask, in particular to a protective mask with an internal air conditioning device, which includes an assembled headband, a transparent protective cover, a centrifugal fan and a lithium battery. A protective mask with an internal air conditioning device of the present invention is composed of an external external thread assembly rod, an assembly headband of an internal thread locking cover, and a transparent protective cover. The entire protective mask is assembled in a split structure, which can be quickly disassembled and replaced. , which is convenient for early installation and later disassembly and maintenance, and reduces the cost of later use; an air flow channel is formed inside the protective mask, and the air is guided from the outside to improve the air circulation between the transparent protective cover and the wearer's face, so as to avoid the accumulation of hot air on the face. It can maintain the dryness of the surface of the protective mask without generating fog, ensure the light transmittance and clarity of the protective mask, and is simple to operate and easy to use.

Description

Protective mask with internal air conditioning device

Technical Field

The invention relates to the technical field of internal air conditioning of protective masks, in particular to a protective mask with an internal air conditioning device.

Background

Protective masks are devices used to protect the face and neck from flying metal debris, harmful gases, liquid splashes, metal and high temperature solvent vapors. Mainly comprises a welding mask, an anti-impact mask, an anti-radiation mask, a smoke and gas prevention mask, a heat insulation mask and the like.

With the global spread of new crown epidemic situation, the demand of protective masks is increasing dramatically, the medical protective masks are protective tools for protecting medical staff and preventing the droplets of patients from contacting the medical contacters, when medical staff wear protective clothing and a mask, the mask is worn outside, and when the medical staff wear the protective device for a long time, the medical staff feel stuffy and uncomfortable and can generate a large amount of heat on the face, the traditional protective mask without an air conditioning device can cause the heat to gather in the protective mask, thereby forming aerial fog at the protective mask is inboard, seriously influencing medical staff's work, present protective mask is mostly a body structure simultaneously, and unable separation is dismantled, leads to application scope more single, in case use up unable to replace the part, can only the whole change, and later stage use cost is very high, and the functionality is also very limited.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to solve the problem that exists among the above-mentioned background art, provide a modified protective face mask that has inside air conditioning equipment, it does not have air conditioning equipment to solve traditional protective face mask, the travelling comfort is poor, still can influence medical staff's work, mostly be a body structure simultaneously, unable separation dismantlement leads to application scope more single, in case use up can't replace the part, can only whole change, the later stage can be with very high costs, functional also very limited problem.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a protective face mask with inside air conditioning equipment, includes assembly head hoop, transparent protection casing, centrifugal fan and lithium cell, assembly head hoop both sides all have outside bellied integrative structure external screw thread assembly pole and the internal thread locking lid of screw thread cup joint in the external screw thread assembly pole outside, transparent protection casing be connected in the external screw thread assembly pole outside and assembly head hoop through integrative structure side direction assembly leg cover, assembly head hoop lower extreme joint be fixed with detachable bottom and adjust the frame, the inside front end of detachable bottom adjust the frame on offer the leading water conservancy diversion cavity that is used for installing centrifugal fan, assembly head hoop outside wear face on demountable installation have the sponge supporting pad.

The side direction assembly support inside set up the internal assembly hole that the lower extreme has the loading and unloading opening, the side direction assembly support through the internal assembly hole cover be connected with the assembly head hoop in the external screw thread assembly pole outside, the internal thread locking lid cup joint through the screw thread and control transparent protection casing and assembly head hoop fixed mounting on the external screw thread assembly pole.

The assembly head hoop lower surface seted up the first wind-guiding runner of arc, detachable bottom adjust the frame upper surface seted up with the first wind-guiding runner assorted arc second wind-guiding runner of arc, assembly head hoop lateral surface lower extreme symmetry set up the side direction mounting groove of built-in assembly fixture block, detachable bottom adjust the frame upper surface and have the bellied integrated configuration assembly card frame that makes progress to the side direction mounting groove position, detachable bottom adjust the frame and fix with assembly head hoop joint on the assembly fixture block through assembly card frame cover.

And a rotary adjusting mechanism for adjusting the tightness of the assembling head band is movably sleeved on the outer side of the external thread assembling rod.

The detachable bottom adjusting frame is internally provided with a rear energy cavity for installing a lithium battery, and the tail end of the detachable bottom adjusting frame is provided with a rear charging slot with a built-in power supply terminal.

And a wire placing groove for placing a power supply connecting wire is formed in the inner bottom surface of the arc-shaped second air guide flow channel.

The bottom output runner is arranged on the inner bottom surface of the front diversion cavity, the bottom adjusting groove with the built-in turning wind guide nozzle is arranged on the lower surface of the detachable bottom adjusting frame, lateral communication holes communicated with the bottom output runner are symmetrically formed in the inner walls of the two sides of the bottom adjusting groove, and the turning wind guide nozzle is inserted into the lateral communication holes through an assembly pipe of an integrated structure on the two sides and is communicated with the inside of the bottom output runner.

The assembly head hoop and the detachable bottom adjusting frame outer side wall connecting surface are provided with inner side mounting grooves for assembling the sponge supporting pad, the sponge supporting pad consists of a plurality of sub supporting pads, and the sub supporting pads comprise PVC material connecting plates, integrated structure mounting blocks fixed on the connecting plates, sponge pads connected to the outer sides of the connecting plates and pure cotton sheaths wrapped on the outer sides of the mounting blocks and the sponge pads.

The side wall of the assembling head hoop is positioned on one side of the sub-supporting pad and is provided with a lateral air inlet communicated with the inside of the arc-shaped first air guide flow channel, and the inner side surface of the arc-shaped second air guide flow channel is provided with an internal air delivery port communicated with the inside of the preposed flow guide cavity.

The invention has the beneficial effects that:

(1) the protective mask with the internal air conditioning device comprises an external thread assembling rod, an assembling head hoop of an internal thread locking cover and a transparent protective cover, wherein a detachable bottom adjusting frame with a built-in centrifugal fan and a lithium battery is clamped and fixed at the lower end of the assembling head hoop;

(2) the centrifugal fan and the lithium battery are arranged in the detachable bottom adjusting frame, and the arc-shaped first air guide flow channel in the assembling head band is matched with the arc-shaped second air guide flow channel in the detachable bottom adjusting frame, so that an air flow channel is formed in the protective mask, air is guided from the outer side to promote air circulation between the transparent protective mask and the face of a wearer, hot air is prevented from being gathered on the face, dryness of the surface of the protective mask can be kept, fog cannot be generated, and light transmittance and definition of the protective mask are guaranteed;

(3) the sponge supporting pad is assembled at the connecting end of the assembling head hoop and the detachable bottom adjusting frame, so that the wearing comfort for a long time can be improved, and the later-stage disassembly and cleaning can be facilitated;

(4) the assembly angle and the tightness of the transparent protective cover are adjusted simultaneously by the external thread assembly rod and the internal thread locking cover on the two sides of the assembly head band, so that the operation is simple and the use is convenient;

(5) the lower surface of the detachable bottom adjusting frame is provided with the turning air guiding nozzle, the lateral air inlet is arranged on one side of the sub supporting pad, and the angle of the air outlet end can be adjusted according to needs, so that air is exhausted at different positions according to needs, the air inlet can be ensured to be smooth, heat emitted from the head can be quickly taken away while blockage is avoided, and the wearing comfort level is improved;

(6) centrifugal fan and lithium cell are installed in the front respectively, the rear end for the gravity distribution after wearing is more even, and stability is better.

Drawings

The invention is further illustrated with reference to the following figures and examples.

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

Fig. 2 is an internal sectional view of the present invention.

Fig. 3 is a partial cross-sectional view of the mounting end of the sponge support pad of the present invention.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

Fig. 1, a protective face mask with inside air conditioning equipment that fig. 2 and fig. 3 show, including assembly head hoop 1, transparent protection casing 2, centrifugal fan 3 and lithium cell 4, assembly head hoop 1 both sides all have outside bellied integrative structure external screw thread assembly pole 5 and the internal thread locking lid 6 in the external screw thread assembly pole 5 outside is cup jointed to the screw thread, transparent protection casing 2 is connected in the external screw thread assembly pole 5 outside and assembly head hoop 1 through integrative structure side direction assembly support 7 cover, assembly head hoop 1 lower extreme joint is fixed with detachable bottom and adjusts frame 8, offer the leading water conservancy diversion cavity 9 that is used for installing centrifugal fan 3 on the inside front end of detachable bottom is adjusted frame 8, demountable installation has sponge supporting pad 10 on the face of wearing in the assembly head hoop 1 outside.

The switch is arranged at the assembling end of the lithium battery 4 at the outer side of the assembling head hoop 1, and then the centrifugal fan 3, the lithium battery 4 and the switch are connected in series through an internal power supply connecting wire 17.

Further, for the cooperation installation, the inside pilot hole that the lower extreme has the loading and unloading opening is seted up to side direction assembly support 7 inside, and side direction assembly support 7 is connected with assembly head hoop 1 in the 5 outsides of external screw thread assembly pole through the pilot hole cover, and internal thread locking lid 6 cup joints on external screw thread assembly pole 5 through the screw thread and controls transparent protection casing 2 and assembly head hoop 1 fixed mounting.

Further, for the cooperation installation, the first wind-guiding runner 11 of arc has been seted up to assembly head hoop 1 lower surface, detachable bottom is adjusted the frame 8 upper surface and is seted up and to be offered with the first wind-guiding runner 11 assorted arc second wind-guiding runner 12 of arc, the side direction mounting groove of built-in assembly fixture block 13 is seted up to assembly head hoop 1 lateral surface lower extreme symmetry, detachable bottom is adjusted frame 8 upper surface and has upwards bellied integrated configuration assembly fixture frame 14 to corresponding side direction mounting groove position, detachable bottom is adjusted frame 8 and is fixed with assembly head hoop 1 joint on the assembly fixture block through assembly fixture frame 14 cover.

An arc-shaped dismounting groove which is convenient for the assembly clamping frame 14 to separate is arranged at the opening position of the inner top surface of the lateral mounting groove.

Further, in order to be suitable for people with different head types and facilitate adjustment and control, the outer side of the threaded assembling rod 5 is movably sleeved with a rotating adjusting mechanism 15 for adjusting the tightness of the assembling head band 1.

The rotation adjusting mechanism 15 comprises a winding ring sleeved on the outer side of the external thread assembling rod 5, an oxford belt tied on the hindbrain of a wearer and winding belts fixed on the two sides of the oxford belt, the winding belts at the two ends of the oxford belt are wound on the outer side of the winding ring and connected with the outer side of the winding ring, then an opening is formed in the outer side of the winding ring, and then a limiting block matched with the opening is fixed on the outer side of the assembling head hoop 1, so that the limiting performance of the winding ring is improved.

Further, in order to cooperate with self-power supply, a rear energy cavity for installing the lithium battery 4 is formed inside the detachable bottom adjusting frame 8, and a rear charging slot with a built-in power supply terminal 16 is formed at the tail end of the detachable bottom adjusting frame 8.

Furthermore, in order to match with the installation of internal circuits, a wire placing groove for placing a power supply connecting wire 17 is formed on the inner bottom surface of the arc-shaped second air guiding flow channel 12.

Furthermore, in order to facilitate the installation and adjustment of the turning and guiding tuyere 9, a bottom output runner 18 is arranged on the inner bottom surface of the front diversion chamber 9, a bottom adjusting groove 20 with a built-in turning and guiding tuyere 19 is arranged on the lower surface of the detachable bottom adjusting frame 8, lateral communication holes communicated with the bottom output runner 18 are symmetrically arranged on the inner walls of two sides of the bottom adjusting groove 20, and the turning and guiding tuyere 19 is inserted into the lateral communication holes through an integral structure assembling pipe on two sides and communicated with the inside of the bottom output runner 18.

The turning-over air nozzle 19 can be turned over to adjust the angle, and can be blown against the inner wall of the transparent protective cover 2, or blown longitudinally, or blown against the face.

Further, for the cooperation loading and unloading and promotion wearing comfort level, offer the inboard mounting groove that is used for assembling sponge supporting pad 10 on the 8 lateral wall of detachable bottom adjustment frame is connected to assembly headband 1 and detachable, sponge supporting pad 10 comprises a plurality of sub-supporting pads, sub-supporting pad includes PVC material connecting plate 21, fix integrative structure installation piece 22 on connecting plate 21, connect the foam-rubber cushion 23 in the connecting plate 21 outside and wrap up at the pure cotton sheath 24 in installation piece 22, the foam-rubber cushion 23 outside.

Connecting plate 21 inserts in the inboard mounting groove through installation piece 22, then adjusts the frame 8 joint through assembly head hoop 1 and detachable bottom and fix to fixing installation piece 22, then the loading and unloading mouth that has the elasticity throat is seted up to pure cotton sheath 24 one end, then installs foam-rubber cushion 23 in the connecting plate 21 outside earlier, then overlaps pure cotton sheath 24 and fixes both on foam-rubber cushion 23 and connecting plate 21.

Further, in order to match with the internal external air suction and the internal air suction, a lateral air inlet 25 communicated with the inside of the arc-shaped first air guide flow channel 11 is formed in one side of the side wall of the assembly head band 1, which is positioned on one side of the sub-supporting pad, and an internal air delivery port 26 communicated with the inside of the front flow guide cavity 9 is formed in the inner side surface of the arc-shaped second air guide flow channel 12.

The centrifugal fan 3 starts to rotate, external air is sucked into the arc-shaped first air guide flow channel 11 from the lateral air inlet 25, then is guided into the inner air transmission port 26 from the arc-shaped second air guide flow channel 12, then is guided into the bottom output flow channel 18 from the front guide chamber 9, and then is discharged from the bottom air outlet of the turnover air guide nozzle 19.

The protective mask with the internal air conditioning device consists of an external thread assembly rod 5, an assembly head hoop 1 of an internal thread locking cover 6 and a transparent protective cover 2, wherein a detachable bottom adjusting frame 8 with a built-in centrifugal fan 3 and a lithium battery 4 is clamped and fixed at the lower end of the assembly head hoop 1, a sponge supporting pad 10 is assembled at the connecting end of the assembly head hoop 1 and the detachable bottom adjusting frame 8, the whole protective mask is assembled by adopting a split structure, can be quickly disassembled, separated and replaced, is convenient for early-stage installation and later-stage disassembly maintenance, and reduces the later-stage use cost; a centrifugal fan 3 and a lithium battery 4 are arranged in the detachable bottom adjusting frame 8, an air flow channel is formed in the protective mask through the matching of an arc-shaped first air guide flow channel 11 in the assembling head band 1 and an arc-shaped second air guide flow channel 12 in the detachable bottom adjusting frame 8, air is guided from the outer side to promote the air circulation between the transparent protective cover 2 and the face of a wearer, so that hot air is prevented from being gathered on the face, the dryness of the surface of the protective mask can be kept, fog cannot be generated, and the light transmittance and the definition of the protective mask are ensured; the sponge supporting pad 10 is assembled at the connecting end of the assembling head hoop 1 and the detachable bottom adjusting frame 8, so that the comfort level of wearing for a long time can be improved, and the later-stage disassembly and cleaning can be facilitated; the assembly angle and the tightness of the transparent protective cover 2 are adjusted simultaneously by the external thread assembly rod 5 and the internal thread locking cover 6 at two sides of the assembly head band 1, so that the operation is simple and the use is convenient; the lower surface of the detachable bottom adjusting frame 8 is provided with the turning air guiding nozzle 19, the lateral air inlet is arranged on one side of the sub-supporting pad, and the angle of the air outlet end can be adjusted according to needs, so that air is exhausted from different positions according to needs, the air inlet can be ensured to be smooth, heat emitted from the head can be quickly taken away while blockage is avoided, and the wearing comfort level is improved; centrifugal fan 3 and lithium cell 4 install respectively in the front, rear end for the gravity distribution after wearing is more even, and stability is better.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A protective mask with an internal air conditioning device, comprising an assembled headband (1), a transparent protective cover (2), a centrifugal fan (3) and a lithium battery (4), characterized in that: the assembled headband (1) Both sides have a one-piece structure externally threaded assembly rod (5) that protrudes outward and an internal threaded locking cover (6) threadedly sleeved on the outside of the externally threaded assembly rod (5). The transparent protective cover ( 2) The side assembly bracket (7) is sleeved on the outer side of the external thread assembly rod (5) and connected to the assembly headband (1) through the integrated structure side assembly bracket (7). The lower end of the assembly headband (1) is clamped and fixed with a detachable bottom adjustment frame (8), the front inner end of the detachable bottom adjustment frame (8) is provided with a front guide chamber (9) for installing the centrifugal fan (3), and the outer side of the assembly headband (1) A sponge support pad (10) is detachably installed on the wearing surface, the lower surface of the assembled headband (1) is provided with an arc-shaped first air guide channel (11), and the detachable bottom adjustment frame (8) The upper surface is provided with an arc-shaped second air-guiding channel (12) matching the arc-shaped first air-guiding channel (11). ), the upper surface of the detachable bottom adjustment frame (8) has an upwardly protruding integrated structure assembly card frame (14) corresponding to the position of the side installation groove, and the detachable bottom adjustment frame (14) (8) The assembly clamp frame (14) is sleeved on the assembly clamp block (13) to be clamped and fixed with the assembly headband (1), and a bottom output flow is provided on the inner bottom surface of the front guide chamber (9). Road (18), the bottom surface of the detachable bottom adjustment frame (8) is provided with a bottom adjustment groove (20) with a built-in flip air guide nozzle (19), and the inner walls of the bottom adjustment groove (20) are symmetrical on both sides A lateral communication hole communicated with the bottom output flow channel (18) is opened, and the inverting air guide nozzle (19) is inserted into the lateral communication hole and the bottom output flow channel (18) through the two-side integrated structure assembly pipe Connected, the side wall of the assembling headband (1) is located on one side of the sub-support pad and is provided with a side air inlet (25) that communicates with the interior of the arc-shaped first air guide channel (11). An internal air delivery port (26) which is communicated with the inside of the front air guide chamber (9) is opened on the inner side of the second air guide channel (12).

2 . A protective mask with an internal air conditioning device according to claim 1 , wherein the side mounting bracket ( 7 ) is provided with an internal mounting hole with a mounting and dismounting gap at the lower end. The assembly bracket (7) is sleeved on the outer side of the externally threaded assembly rod (5) through the internal assembly hole and is connected with the assembly headband (1), and the internal thread locking cover (6) is sleeved on the externally threaded assembly rod (5) through a thread. The upper control transparent protective cover (2) is fixedly assembled with the assembly headband (1).

3. A protective mask with an internal air conditioning device according to claim 1, characterized in that: the outer side of the external thread assembly rod (5) is movably sleeved with a protective mask for adjusting the tightness of the assembly headband (1). Turn the adjustment mechanism (15).

4. A protective mask with an internal air conditioning device according to claim 1, wherein the detachable bottom adjustment frame (8) is provided with a rear energy source for installing a lithium battery (4). In the chamber, a rear charging slot with a built-in power supply terminal (16) is opened at the end of the detachable bottom adjustment frame (8).

5. A protective mask with an internal air conditioning device according to claim 1, characterized in that: the inner bottom surface of the second arc-shaped air guide channel (12) is provided with a built-in power supply connection line (17). Set the wire slot.

6. A protective mask with an internal air conditioning device according to claim 1, characterized in that: the connecting surface of the outer side wall of the assembled headband (1) and the detachable bottom adjustment frame (8) is provided with useful In the inner side installation groove of the assembled sponge support pad (10), the sponge support pad (10) is composed of two sub-support pads, and the sub-support pads include a PVC material connecting plate (21), which is fixed on the connecting plate (21). ), a sponge pad (23) connected to the outside of the connecting plate (21), and a pure cotton sheath (24) wrapped around the mounting block (22) and the outside of the sponge pad (23).