CN210131266U

CN210131266U - Filtering face mask with power air supply

Info

Publication number: CN210131266U
Application number: CN201920824137.7U
Authority: CN
Inventors: 张守政; 潘学磊; 韩冰; 朱小磊
Original assignee: Shanghai Asia Security Equipment Ltd By Share Ltd
Current assignee: Shanghai Asia Security Equipment Ltd By Share Ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-03-10
Anticipated expiration: 2029-06-03

Abstract

The utility model relates to a filtration formula face guard technical field is a filtration formula face guard of electrified force air supply particularly, air supply arrangement including can dismantle the last casing and the casing down of connection, last casing and casing connection down after can form an accommodation space that is located the runner middle part, the accommodation space be equipped with in runner position department and be used for connecting micro fan annular groove, micro fan is used for supplying air to the face guard body through the runner. The utility model provides a take filtration formula face guard of power air supply, composite structure is simple feasible, easily installs and dismantles, through carrying out the institutional advancement in that filtration formula respirator is inside, increases miniature suction fan filtering jar inboard to make the air current that gets into in the face guard smooth and easy, the user is using the utility model discloses a filtration formula respirator, breathe more smoothly, do not have the risk of breathing difficulty, and overall structure designs succinctly, novelty, facility, easy installation and dismantlement, the change of being convenient for.

Description

Filtering face mask with power air supply

Technical Field

The utility model relates to a filtration formula face guard technical field is a filtration formula face guard of power air supply particularly.

Background

The filtering type breathing mask is widely applied to various fields of escape, rescue, military and the like. The existing filtering type breathing mask consists of a mask, a filtering tank and a head belt net, wherein the head belt net is fixed on the mask during use, the filtering tank is connected to the mask and then worn on the head to isolate the face or the mouth and the nose from the outside, so that the breathing of a person only breathes the filtered gas through a breathing system on the mask, and the harm to the human body caused by the gas polluted by the outside is avoided. However, when the filtering type breathing mask is used, inhaled air needs to pass through the filtering tank, and the filler in the filtering tank blocks airflow, so that the airflow is difficult to breathe, and particularly, the breathing difficulty is caused by the unsmooth airflow when the breathing of people is accelerated in a task with high strength. Therefore, there is a need to design a new powered air filtration face mask.

Disclosure of Invention

An object of the utility model is to solve the not enough of prior art, provide a filtration formula face guard of taking power to supply air, the assembly is quick succinct, and is favorable to user's breathing smoothly, solves the dyspnea risk that the user caused because of the air current is not smooth.

In order to achieve the purpose, the filtering face mask with the power air supply function comprises a face mask body, wherein an air supply device is connected to the face mask body, a filter tank is detachably connected to the outer side of the air supply device, and a flow passage is formed in the air supply device, so that outside air can flow to the face mask body through the air supply device after passing through the filter tank; air supply arrangement including dismantling the last casing of connection and casing down, last casing and casing connection down after can form the accommodation space that is located the runner middle part, the accommodation space be equipped with in runner position department and be used for connecting the micro fan annular groove, the annular groove inboard evenly be equipped with a plurality of groups of protruding sections in circumference, be equipped with the clearance between every group protruding section, micro fan's outer wall in circumference corresponding to a plurality of groups protruding section outwards be equipped with a plurality of joint sections, the joint section be used for with protruding section cooperation realize that micro fan's dismantlement is fixed, micro fan be used for supplying air to the face guard body through the runner.

The utility model discloses still have following preferred technical scheme:

go up the casing upside upwards be equipped with first extension, the face guard body on be equipped with the buckle groove, first extension be used for with the buckle groove cooperate with in order to realize being connected with the face guard body.

Inferior casing downside side down be equipped with the second and extend the section, second extend the section inboard and be equipped with the internal thread, the filtration jar on correspondingly be equipped with the second extend section complex external screw thread section, the cooperation through external screw thread section and second extension section realizes being connected with dismantling between the filtration jar down the casing.

Inferior valve body inside be equipped with a plurality of cylindrical extension sections, cylindrical extension section on be equipped with the screw thread trompil, last casing on correspond to the position of cylindrical extension section be equipped with a plurality of through-holes, be connected the dismantlement of casing and lower casing and be connected through the cooperation of screw and through-hole and screw thread trompil realization.

The accommodating space is also provided with a battery for supplying power to the micro-fan and a control panel of the micro-fan.

One side of the accommodating space is provided with a slot communicated to the outer side of the air supply device, a key switch is arranged at the slot and used for adjusting the opening and closing of the micro fan.

Beneficial effects of the utility model

The utility model provides an advantage of the filtration formula face guard of electrified machine format (operation) air supply includes but is not limited to: the utility model provides a take filtration formula face guard of power air supply, composite structure is simple feasible, easily installs and dismantles, through carrying out the institutional advancement in that filtration formula respirator is inside, increases miniature suction fan filtering jar inboard to make the air current that gets into in the face guard smooth and easy, the user is using the utility model discloses a filtration formula respirator, breathe more smoothly, do not have the risk of breathing difficulty, and overall structure designs succinctly, novelty, facility, easy installation and dismantlement, the change of being convenient for.

Drawings

Fig. 1 is a schematic view of the overall structure of an air supply filtering face mask according to an embodiment of the present invention;

FIG. 2 is an overall cross-sectional view of an embodiment of the air supply filtering face mask of the present invention;

FIG. 3 is an exploded view of an embodiment of the air supply filtering face mask of the present invention;

FIG. 4 is a schematic structural view of an air supply apparatus according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of an air supply arrangement according to an embodiment of the present invention;

FIG. 6 is an exploded view of an air supply arrangement according to one embodiment of the present invention;

in the figure: 1. the mask comprises a head belt net 2, a mask body 3, an air supply device 4, a filter tank 5, screws 6, an upper shell 7, an O-shaped ring 8, a battery 9, a control board 10, a micro fan 11, bolts 12, a key switch 13, a lower shell 14, a sealing washer 15, a first extension section 16, a through hole 17, a clamping section 18, a convex section 19, an annular groove 20, a cylindrical extension section 21, a second extension section 22, a containing space 23, an O-shaped ring groove 24 and a wire sealing hole.

Detailed Description

The structure and principle of such a device will be apparent to those skilled in the art from the following further description of the invention with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 4, fig. 5 and fig. 6, air supply arrangement including the last casing and the lower casing of dismantling the connection, the lower casing inboard be equipped with a plurality of cylindrical extension sections, cylindrical extension section on be equipped with the screw thread trompil, last casing on corresponding to the position of cylindrical extension section be equipped with a plurality of through-holes, pass through-hole and screw thread trompil from top to bottom in proper order through the screw to the casing can be connected with dismantling of casing down in the realization, just last casing and lower casing connection after can be in the inside accommodation space that is located the runner middle part that forms between them.

Go up the casing upside upwards be equipped with first extension, the face guard body on be equipped with the buckle groove, first extension be used for with the buckle groove cooperate with in order to realize being connected with the face guard body. Inferior casing downside side down be equipped with the second and extend the section, second extend the section inboard and be equipped with the internal thread, the filtration jar on correspondingly be equipped with the second extend section complex external screw thread section, the cooperation through external screw thread section and second extension section realizes being connected with dismantling between the filtration jar down the casing. The first extension section and the second extension section are both hollow cylinders, and a flow passage in the air supply device takes the end part of the second extension section as an inlet and the end part of the first extension section as an outlet, and is communicated to the inside of the first extension section after penetrating through the accommodating space from the inside of the second extension section.

The accommodation space be equipped with the annular groove who is used for connecting micro-fan in runner position department, the annular groove inboard evenly be equipped with a plurality of groups of protruding sections in circumference, be equipped with the clearance between every group protruding section, micro-fan's outer wall correspond to in circumference a plurality of groups protruding section outwards be equipped with a plurality of joint sections, the joint section be used for with protruding section interference fit realize that micro-fan can dismantle fixedly, micro-fan be used for supplying air to the face guard body through the runner.

In a preferred embodiment, the first extension section is provided with an O-ring groove, the O-ring is sleeved on the O-ring groove, the lower side of the O-ring groove is intersected with the upper surface of the annular groove for connecting the micro-fan, so that the lower surface of the O-ring can be attached to the upper surface of the wall surface of the annular groove, the extension section is arranged on one side of the O-ring downwards, the wire sealing hole is formed in the extension section and used for allowing a connecting wire of the micro-fan to penetrate out, and a groove is formed in the wall surface of the annular groove corresponding to the position of the extension section. When first extension section inserts the buckle inslot of face guard body, O type circle is compressed tightly between first extension section and buckle groove, the outside of first extension section wall promptly, the inboard of buckle groove wall, and because receive the decurrent effort that the buckle groove was applyed and be compacted in O type circle trench position department and O type circle lower surface closely laminate mutually with the upper surface of annular groove, the extension section of O type circle is laminated mutually with the recess of annular groove wall department, thereby realized the sealed of annular groove department when realizing the sealed of buckle groove with first extension section, prevent gas leakage.

The accommodating space is also provided with a battery for supplying power to the micro-fan and a control panel of the micro-fan. The fan is characterized in that a groove communicated with the outer side of the air supply device is formed in one side of the accommodating space, a key switch is arranged at the groove and connected with the control panel circuit and used for adjusting the opening and closing of the micro fan, the opening and closing circuit of the fan belongs to the known technology, obviously, the fan in the prior art is provided with a switch to control the opening and closing, and therefore a specific structure is not provided for the circuit in the application.

Referring to fig. 1, 2 and 3, a first extending section on the air supply device is inserted into a fastening groove on the mask body as a fastening head to realize the connection of the first extending section and the second extending section, and meanwhile, an O-ring groove is formed in the fastening head on the air supply device, namely the first extending section, and the O-ring sleeved on the O-ring groove is pressed and is clamped between the fastening groove and the fastening head so as to seal the leakage between the air supply device and the mask body; the external thread section on the filter tank, such as a connecting screw head, is screwed into the second extension section on the air supply device, and the sealing washer in the second extension section on the air supply device is pressed to seal the leakage between the filter tank and the air supply device. This internal air flue that supplies circulation of air that is equipped with of face guard to can supply air in to the air flue via the runner through air supply arrangement when wearing through air supply arrangement after making the outside air pass through filtering the jar, thereby realize the smooth and easy suction force stronger effect of air current in the face guard. In a preferred embodiment, a key switch for opening and closing the micro fan is further arranged, and the power air supply device can be started by pressing the key switch of the air supply device.

According to the above embodiment, the air supply device is arranged between the mask body and the filter canister, and the air supply device increases the suction force in the mask, so that the air flow flowing through the filter canister is increased, and the breathing is smoother. And the mask body, the air supply device and the filtering tank are convenient to assemble and disassemble, and the air supply device and the filtering tank are convenient to replace.

Claims

1. A powered air supply filtering face mask comprises a face mask body and is characterized in that an air supply device is connected to the face mask body, a filter tank is detachably connected to the outer side of the air supply device, and a flow passage is formed in the air supply device, so that outside air can flow to the face mask body through the air supply device after passing through the filter tank;

air supply arrangement including the last casing and the casing down of dismantling the connection, last casing and casing connection down after can form an accommodation space that is located the runner middle part, the accommodation space be equipped with the annular groove who is used for connecting micro-fan in runner position department, annular groove inboard evenly be equipped with a plurality of groups of protruding sections in week, be equipped with the clearance between every group protruding section, micro-fan's outer wall in week correspond to a plurality of groups protruding section outwards be equipped with a plurality of joint sections, the joint section be used for with protruding section cooperation realize micro-fan's dismantlement fixed, micro-fan be used for supplying air to the face guard body through the runner.

2. The filtering face mask with powered air supply of claim 1, wherein the upper shell has a first extending section extending upward, the face mask body has a fastening groove, and the first extending section is used to cooperate with the fastening groove to connect with the face mask body.

3. The powered air supply filtering face mask of claim 2, wherein an O-ring is disposed between the first extension and the snap groove.

4. The powered air supply filtering face mask as claimed in claim 1, wherein the lower part of the lower shell is provided with a second extension section downwards, the inner side of the second extension section is provided with internal threads, the filtering canister is correspondingly provided with an external thread section matched with the second extension section, and the detachable connection between the lower shell and the filtering canister is realized through the matching of the external thread section and the second extension section.

5. The powered air supply filtering face mask of claim 4, wherein a sealing gasket is disposed between the second extension and the externally threaded section.

6. The powered air supply filtering face mask as claimed in claim 1, wherein the lower shell has a plurality of cylindrical extension sections on the inner side, the cylindrical extension sections have screw holes, the upper shell has a plurality of through holes corresponding to the cylindrical extension sections, and the upper shell and the lower shell are detachably connected by the screw, the through holes and the screw holes.

7. The powered air filtering face mask of claim 1 wherein the receiving space further contains a battery for powering the micro-blower and a control panel for the micro-blower.

8. The filtering face mask with powered air supply of claim 1, wherein one side of the accommodating space is provided with a slot communicated with the outside of the air supply device, the slot is provided with a key switch, and the key switch is used for adjusting the on-off of the micro fan.