CN214633428U - Underground dust mask and protection device - Google Patents
Underground dust mask and protection device Download PDFInfo
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- CN214633428U CN214633428U CN202023202904.2U CN202023202904U CN214633428U CN 214633428 U CN214633428 U CN 214633428U CN 202023202904 U CN202023202904 U CN 202023202904U CN 214633428 U CN214633428 U CN 214633428U
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- mask
- downhole
- fan
- dust mask
- air inlet
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- 239000000428 dust Substances 0.000 title claims abstract description 55
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 23
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- 208000028571 Occupational disease Diseases 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000001012 protector Effects 0.000 description 3
- 230000000241 respiratory effect Effects 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 206010035653 pneumoconiosis Diseases 0.000 description 2
- 206010008479 Chest Pain Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000007407 health benefit Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The application provides a dustproof mask and a protection device used in a well, wherein the dustproof mask comprises a mask main body which is used for forming a breathing cavity with the face of a wearer; an air inlet channel which is arranged on the mask main body and communicated with the breathing cavity; the fixed setting is provided with the power supply input interface on the fan, and the power supply input interface and the output interface looks adaptation of wearing the power of equipment with oneself in the pit, this dust mask can avoid or reduce the breathing resistance of person of wearing, guarantees person of wearing's travelling comfort for inlet channel supplies with gaseous fan in the gauze mask main part.
Description
Technical Field
The utility model belongs to the technical field of the protection, concretely relates to a protector that is used for dust mask in pit and contains dust mask especially is applied to in the borehole operation such as colliery.
Background
In some production fields, the problems of poor operation environment and generally serious standard exceeding of dust concentration often occur. For example, in the coal production process, dust affects the physical safety of coal miners and even causes pneumoconiosis. In order to guarantee the health benefits of related workers and reduce the occupational disease hazards, the production operation site requires that the workers must wear dustproof masks.
At present, the underground coal mine mostly uses an independent self-suction compound half-mask type dust mask. In an operating environment with high dust concentration, the dust amount adsorbed on the filter cotton can be accumulated after the dust mask is worn for a long time. If the filter cotton is not replaced in time, the breathing resistance is correspondingly increased, and the working personnel can feel certain oppressive feeling along with the increase of the labor operation intensity, so that the uncomfortable reactions of dizziness, chest distress and the like can be caused. In addition there are characteristics such as high temperature, humidity in the colliery operation environment in the pit, the underground generally used is from inhaling compound half face guard type dust mask, and in the operation environment that dust concentration is high, gas trafficability characteristic is relatively poor, can increase human respiratory resistance, and human exhalation gas produces humidity, ponding phenomenon in the gauze mask enclosure space, and very big reduction person's of wearing comfort level further makes the operation personnel health more uncomfortable along with the increase of activity duration and operation intensity.
In addition, for the coal mine underground operators, safety protection articles such as a miner lamp, a dust mask, a self-rescuer, a personnel locator, a detector and the like need to be worn during underground operation besides carrying related equipment and appliances required for working. Too much underground protective equipment not only influences the limb movement and reduces the working efficiency, but also can cause the phenomenon that operators forget or do not take the dust mask.
SUMMERY OF THE UTILITY MODEL
To the part or whole of the above-mentioned technical problem that exists among the prior art, the utility model provides a dust mask and protector for in pit. This dust mask has realized the initiative operation of admitting air through setting up the fan, has avoided or has reduced the respiratory resistance of the person of wearing to guarantee the inside dry comfortable environment of dust mask, and then improved the person's of wearing comfort level. In addition, the dustproof mask utilizes the power supply of other underground portable equipment, is favorable for integrating the dustproof mask on other underground portable equipment, and reduces the forgetting probability. Meanwhile, the integrated arrangement is also beneficial to reducing the overall weight of the underground protective equipment, and is convenient for underground operators to carry and use.
According to the utility model discloses an aspect provides a dust mask for in pit, include:
a mask body for forming a breathing cavity with the face of a wearer,
an air inlet channel which is arranged on the mask main body and is communicated with the breathing cavity,
the air blower is fixedly arranged on the mask body and used for supplying air for the air inlet channel, a power supply input interface is arranged on the air blower, and the power supply input interface is matched with an output interface of a power supply of the underground portable wearing equipment.
In one embodiment, both the blower and the downhole wearable device are connected in parallel with the power supply of the downhole wearable device.
In one embodiment, the downhole wearable device is a miner's lamp.
In one embodiment, the fan and the power supply, and the underground carry-on equipment and the power supply are connected through lines, and a switch for electric connection and electric cut-off is arranged on each line.
In one embodiment, a disc for accommodating is arranged on at least one of the lines, a containing groove is formed in the outer peripheral wall of the disc, one end of the line is fixedly connected with the disc, and a partial section of the other end of the line is selectively and circumferentially arranged in the containing groove in a winding mode.
In one embodiment, a cylindrical fan cover is arranged in the air inlet channel and used for placing the fan, a cover cap used for covering the fan cover is detachably arranged on the outer side of the fan cover, and a replaceable filter component is arranged between the fan and the cover cap.
In one embodiment, a fan controller is also included in communication with the fan for adjusting the operating speed of the fan.
In one embodiment, the mask body is provided with two air outlet channels selectively communicated with the respiratory cavity, the air inlet channels are arranged on the left side and the right side of the air outlet channels, the air inlet channels are respectively provided with a fan, and different fans operate simultaneously or independently.
In one embodiment, a breather valve is arranged on the outer side of the air outlet channel, the breather valve is provided with a cylindrical breather valve main body fixedly connected with the mask main body and a valve covering the breather valve main body, part of the valve is fixedly connected with the breather valve main body, and the rest part of the valve is controlled by pressure to open or close the breather valve main body.
According to another aspect of the utility model, a protector for be used in pit is provided, include:
the above dust-proof mask, and
the equipment is worn on the ground under the well,
wherein, the fan is electrically connected to the power supply of the underground wearable equipment.
Compared with the prior art, the utility model has the advantages of: on the first hand, the fan is arranged on the dustproof mask, so that the problem of overlarge breathing resistance of a wearer is solved by active air intake, and a dry and comfortable environment in a breathing cavity of the dustproof mask is further ensured, so that the comfort level of the wearer is improved; in the second aspect, the dust mask utilizes the power supply of other underground portable equipment, is beneficial to being integrated on other underground portable equipment, and reduces the probability that workers forget the dust mask; in a third aspect, the integrated arrangement of the dust mask and other underground wearable devices is also beneficial to reducing the overall weight of the protective device, and is convenient for underground operators to carry and use.
Drawings
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, in which:
fig. 1 shows a dust protection arrangement according to an embodiment of the invention;
FIG. 2 illustrates a dust mask according to an embodiment of the present invention;
fig. 3 shows an exploded view of components at the inlet passage according to an embodiment of the invention;
fig. 4 shows a disc arranged on a line according to the invention.
In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.
Detailed Description
In order to make the technical solutions and advantages of the present invention more clearly understood, the following description is made in further detail with reference to the accompanying drawings. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not an exhaustive list of all embodiments. And the embodiments and features of the embodiments may be combined with each other without conflict.
An embodiment of the utility model provides a dust mask 100 for in pit. As shown in fig. 1, the dust mask 100 includes a mask body 1. Wherein, the mask body 1 is in a shell shape conforming to human engineering and is used for being worn on the face of a user in a fitting mode. The mask body 1 forms a breathing chamber (not shown) with the wearer's face after the wearer wears the dust mask 100. An air intake passage 11 is provided in the mask body 1 to supply air into the breathing chamber to allow a wearer to breathe. As shown in fig. 3, a blower 12 is fixed to the mask body 1 to supply air to the air inlet passage 11 in an electrically driven manner. The breathing chamber has the advantages that the air is supplied to the wearer actively, the problem of overlarge breathing resistance of the wearer is avoided or reduced, the dry and comfortable environment in the breathing chamber is further ensured, and the comfort level of the wearer is improved. In addition, the fan 12 is provided with a power supply input interface (not shown). The power supply input interface is adapted to an output interface (not shown in the figure) of the power supply 300 of the downhole wearable device 200, and is used for electrically connecting the fan 12 to the power supply 300 of the downhole wearable device 200, so as to supply power to the fan 12 by using the power supply 300 of the downhole wearable device 200. This arrangement facilitates the integration of the dust mask 100 with other downhole wearable devices 200, reducing the chance of personnel forgetting or not wearing the dust mask. Meanwhile, the integrated arrangement of the dust mask 100 and other underground carry-on devices 200 is also beneficial to reducing the overall weight of underground protective equipment, and is convenient for underground operators to carry and use.
In one embodiment, both fan 12 and downhole wearable device 200 are connected in parallel to power supply 300 of downhole wearable device 200. That is, fan 12 and downhole wearable device 200 are each connected to power supply 300 by employing different lines 400. This arrangement ensures the independence of the operation of the fan 12 and the wearable device 200, and helps to ensure the safety and explosion protection of the entire protective apparatus 500.
In a preferred embodiment, the downhole wearable device 200 may be implemented as a downhole lighting device, such as a miner's lamp. Of course, the underground wearable device 200 described in the present application is not limited to a miner lamp, and may be implemented as other underground wearable devices 200, such as an explosion-proof mobile phone. However, the arrangement of connecting the fan 12 to the power supply 300 of the downhole wearable device 200 not only allows the fan 12 to directly utilize the power supply of the downhole wearable device 200, but also adopts a close connection mode, thereby optimizing the layout of all protective devices.
Switches (not shown) are respectively disposed on the line 400 connecting the fan 12 and the power supply 300, and the line 400 connecting the downhole wearable device 200 and the power supply 300. The switch is used to electrically connect and electrically disconnect the line 400 to control the respective fan 12 and downhole wearable device 200.
As shown in fig. 4, a disk 3 for housing is provided on at least one of the lines 400. The outer peripheral wall of the disc 3 is provided with a receiving groove 31. One end of the wire 400 is fixedly connected to the disc 3. The other end of the line 400 is selectively circumferentially wound in the accommodating groove 31. By providing the disc 3, the circuit 400 is convenient to store and carry.
As shown in fig. 3, a cylindrical fan cover 4 is provided in the intake duct 11. The fan guard 4 is used for placing the fan 12. And a cover 41 is detachably arranged on the outer side of the fan cover 4 and is used for covering the fan cover 4. A replaceable filter assembly 42 is provided between the fan 12 and the cover 41. The filter assembly 42 is disposed in the interior cavity of the fan guard 4 for filtering and purifying air entering the contemporaneous duct 11. For example, the filter assembly 42 includes a dust filter cloth layer. After the dust mask 100 is worn for a long time, the cover 4 can be opened to replace the filter assembly 42, so as to ensure the cleanliness of the breathing air of the wearer.
The fan 12 is connected to a fan controller 13. The running speed of the fan 12 is adjusted by adjusting the fan controller 13, so that the air intake is adjusted, and different use requirements are met.
As shown in fig. 2, an air outlet passage 14 is provided in the mask body 1. The air outlet channel 14 can communicate with the breathing cavity for delivering the air in the breathing cavity to the outside. The outlet passage 14 is substantially aligned with the nose and mouth area of the user during wearing of the dust mask 100. Preferably, the inlet air passageway 11 is provided in two and is located at the left and right sides of the outlet air passageway 14. The air blower 12 is disposed at each of the air intake passages 11. According to different use requirements, different fans 12 operate simultaneously or independently.
A breather valve 15 is arranged on the outer side of the air outlet channel 14. The breather valve 15 includes a cylindrical breather valve body (not shown) fixedly connected to the mask body 1 and a valve 16 that can be closed on the breather valve body. Part of the valve 16 is fixedly connected with the main body of the breather valve, and the rest part is controlled by pressure to open or close the air outlet channel 14. When the dust mask 100 is used, when a wearer exhales, the valve 16 is automatically opened under the driving of airflow to exhaust the air in the breathing cavity; when a wearer inhales, the valve 16 is kept open under positive pressure in the breathing cavity, the valve 16 is automatically closed under the driving of airflow under negative pressure in the breathing cavity, and the air outlet channel 14 ensures that air only can not enter or exit.
Referring again to fig. 2, the dust mask 100 further includes a headband 2. The headband 2 is constructed as an elastic rubber band, and both ends thereof are fixed to the left and right sides of the mask body 1, respectively. In the use, the headband 2 is sleeved on the head of a wearer and used for fixing the position of the mask main body 1 and ensuring the attaching degree of the mask main body 1 and the face of the wearer.
The present invention also relates to a guard 500, as shown in fig. 1. The protection device 500 includes the dust mask 100 and the downhole wearable device 200, and the dust mask 100 and the downhole wearable device 200 share the power source 300. Through the connection mode, the dust mask 100 is integrated on the underground carry-on equipment 200, and the phenomenon that underground operators forget or do not carry the dust mask is avoided.
In the application, the dust mask 100 is integrated on the underground carry-on equipment 200, so that the number of safety protection articles worn by underground operators during underground operation is reduced, and the phenomenon that the underground operators forget or do not take the dust mask is also reduced. Through the initiative air supply of motor 12, the dust mask 100 of the application can improve the breathing comfort of the operator, thereby ensuring the long-term working efficiency of the operator and reducing the dust suction amount of the operator. The dust mask 100 avoids the operation personnel from suffering from chronic occupational diseases such as pneumoconiosis caused by dust invasion, reduces the expenditure of enterprises on the recovery treatment cost of the occupational diseases of the employees, and indirectly increases the enterprise benefit.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, the appended claims are intended to be construed to include preferred embodiments and all such changes and/or modifications as fall within the scope of the invention, and all such changes and/or modifications as are made to the embodiments of the present invention are intended to be covered by the scope of the invention.
Claims (10)
1. A dust mask for use downhole, comprising:
a mask body for forming a breathing cavity with the face of a wearer,
an air inlet channel which is arranged on the mask main body and communicated with the breathing cavity,
the air inlet channel is fixedly arranged on the mask body, the air inlet channel is used for supplying air to the air inlet channel, a power supply input interface is arranged on the air inlet channel, and the power supply input interface is matched with an output interface of a power supply of the underground carry-on wearing equipment.
2. The dust mask for use downhole as defined in claim 1, wherein both said blower and said downhole wearable device are connected in parallel to said power source of said downhole wearable device.
3. The dust mask for use downhole as defined in claim 1, wherein said downhole wearable device is a miner's lamp.
4. The dust mask for use downhole as claimed in claim 1, wherein the blower and the power source, and the downhole wearable device and the power source are connected by a line, and a switch for electrical connection and electrical disconnection is disposed on each of the lines.
5. The dust mask cover for the underground according to claim 4, wherein a disk for receiving is disposed on at least one of the lines, a receiving groove is formed on an outer peripheral wall of the disk, one end of the line is fixedly connected with the disk, and a partial section of the other end of the line is selectively disposed in the receiving groove in a circumferential winding manner.
6. The dust mask for downhole use according to any one of claims 1 to 5, wherein a cylindrical fan cover is provided in the air intake passage for housing the fan, a cover is detachably provided on an outer side of the fan cover for covering the fan cover, and a replaceable filter member is provided between the fan and the cover.
7. The dust mask for downhole use according to any one of claims 1 to 5, further comprising a fan controller connected to the fan for adjusting an operating speed of the fan.
8. The dust mask for the underground according to any one of claims 1 to 5, wherein the mask body is provided with two air outlet channels selectively communicating with the breathing cavity, the air inlet channels are located at left and right sides of the air outlet channels, the blower is respectively provided at each air inlet channel, and different blowers operate simultaneously or independently.
9. The dust mask for the underground according to claim 8, wherein a breather valve is provided at an outer side of the air outlet passage, the breather valve has a cylindrical breather valve body fixedly connected to the mask body and a valve covering the breather valve body, a portion of the valve is fixedly connected to the breather valve body, and the remaining portion is controlled by pressure to open or close the breather valve body.
10. A guard for use downhole, comprising:
the dust mask for downhole use according to any one of claims 1 to 9, and
the equipment is worn on the ground under the well,
wherein the fan is electrically connected to a power source of the downhole wearable device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023202904.2U CN214633428U (en) | 2020-12-25 | 2020-12-25 | Underground dust mask and protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023202904.2U CN214633428U (en) | 2020-12-25 | 2020-12-25 | Underground dust mask and protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214633428U true CN214633428U (en) | 2021-11-09 |
Family
ID=78503394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023202904.2U Active CN214633428U (en) | 2020-12-25 | 2020-12-25 | Underground dust mask and protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214633428U (en) |
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2020
- 2020-12-25 CN CN202023202904.2U patent/CN214633428U/en active Active
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