CN212651190U - Eccentric regulation formula protection casing respiratory device - Google Patents
Eccentric regulation formula protection casing respiratory device Download PDFInfo
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- CN212651190U CN212651190U CN202020313362.7U CN202020313362U CN212651190U CN 212651190 U CN212651190 U CN 212651190U CN 202020313362 U CN202020313362 U CN 202020313362U CN 212651190 U CN212651190 U CN 212651190U
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- pipe
- tank body
- floating
- clamping
- eccentric
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Abstract
An eccentric adjusting type protective cover breathing device comprises a tank body, a mask body, a clamping driving mechanism, a ventilation mechanism and an eccentric adjusting mechanism; according to the invention, the diameter-variable hose is extruded through the rotation of the eccentric wheel in an eccentric adjustment mode, so that the radial space of the diameter-variable hose is extruded to be reduced and enlarged, and the size of air inflow can be adjusted, thereby realizing adjustment, and being convenient to use and good in experience.
Description
Technical Field
The utility model relates to an eccentric regulation formula protection casing respiratory device.
Background
In the prior art, people mostly adopt masks outdoors to block dust, in fact, a common mask cannot block PM2.5, the filtering effect is poor, although a high-precision filtering mask can block PM2.5, the mask is difficult to breathe and uncomfortable to wear and cannot be worn for a long time, in the prior art, some portable protective masks with gas transmission tanks are also provided, but the mask is inconvenient to replace after a filter element is used for a period of time, so that the mask is not flexible to use; in addition, the device can not adjust the volume of admitting air to lead to the user of different lung capacities can not adjust according to self demand, and it is not good to use experience.
Disclosure of Invention
To the weak point of above-mentioned prior art, the utility model provides a problem do: the eccentric adjusting type protective cover breathing device is adjustable in air inflow and convenient to replace a filter element.
In order to solve the above problem, the utility model discloses the technical scheme who takes as follows:
an eccentric adjusting type protective cover breathing device comprises a tank body, a mask body, a clamping driving mechanism, a ventilation mechanism and an eccentric adjusting mechanism; the outer parts of the two sides of the tank body are respectively provided with a strap; the ventilation mechanism comprises an upper connecting pipe, a telescopic pipe, an upper floating pipe, a filter core, a lower positioning pipe and an air inlet cover; the upper connecting pipe is connected in the middle of the upper end of the tank body in a penetrating manner; the upper end of the upper connecting pipe is connected with an external mask body through a vent pipe; the lower end of the upper connecting pipe is connected with a telescopic pipe; the lower end of the extension tube is connected with an upper floating tube; the lower positioning pipe is connected in the middle of the lower end of the tank body in a penetrating manner; the lower positioning pipe and the upper floating pipe are coaxially distributed; the filter element is clamped and arranged between the upper floating pipe and the lower positioning pipe; the lower end of the lower positioning pipe is provided with an air inlet cover; the lower positioning pipe is provided with an air suction device; the clamping driving mechanism comprises a driving screw rod, a positioning threaded cylinder, a floating plate and a connecting block; one side of the upper end of the tank body is connected with a positioning threaded cylinder in a penetrating way; the positioning threaded cylinder is rotationally connected with a driving screw; the upper end and the lower end of the driving screw rod respectively extend to the outer part of the upper end and the inner part of the lower end of the tank body; two floating plates are respectively arranged on two sides of the upper floating pipe; the end parts of the floating plates are respectively clamped on the inner walls of the two sides of the tank body in a sliding manner; a connecting block is arranged at the upper end of the floating plate on one side of the upper floating pipe; the lower end of the driving screw is rotationally clamped at the upper end of the connecting block; a movable opening and closing door plate is arranged on the side part of the tank body; the eccentric adjusting mechanism comprises an eccentric wheel, a rotary driving rod, a rotary driving block, a clamping ring and a reducing hose; the lower positioning pipe is provided with a reducing hose; the reducing hose is positioned inside the tank body; the eccentric wheel is installed and abutted against one side of the reducing hose; the bottom of the eccentric wheel is provided with a rotary driving rod; the outer sides of the periphery of the rotary driving rod are rotatably clamped on the side wall of the bottom of the tank body through clamping rings; the lower end of the rotary driving rod extends to the outer side of the lower end of the tank body; the lower end of the rotary driving rod is provided with a rotary driving block; the rotary driving rod drives the eccentric wheel to perform eccentric rotary motion.
Furthermore, the clamping driving mechanism also comprises a positioning column, a butting elastic body and a butting rod; two positioning columns are respectively arranged at two ends of the lower part of the inner part of the tank body; the upper end of the positioning column is provided with a guide groove; the guide grooves are internally provided with an abutting elastic body respectively; the lower sides of the floating plates are respectively and vertically provided with abutting rods; the abutting rod is inserted into the guide groove of the positioning column and elastically abuts against the upper end of the abutting elastic body.
Further, the upper end of the connecting block is provided with a rotary clamping groove; the lower end of the driving screw is provided with a rotary clamping tooth; the driving screw is clamped in a rotary clamping groove at the upper end of the connecting block through a rotary clamping tooth at the lower end.
Further, the filter element comprises a clamping ring, a first filter membrane and a second filter membrane; the first filtering membrane and the second filtering membrane are arranged in the clamping ring in a vertical parallel mode; the upper end and the lower end of the clamping ring are clamped and installed between the upper floating pipe and the lower positioning pipe.
Furthermore, the lower end of the upper floating pipe and the upper end of the lower positioning pipe are respectively provided with a sealing ring body; an annular groove is formed in the sealing ring body; the upper end and the lower end of the clamping ring are respectively connected in the annular groove of the sealing ring body in a pressing mode.
Further, sliding clamping grooves are formed in the inner walls of the two sides of the tank body; the end parts of the floating plates are respectively clamped on the sliding clamping grooves on the inner walls of the two sides of the tank body in a sliding mode.
Further, the extension tube is made of a corrugated tube material.
Further, the floating plate is made of a teflon material.
Further, the air suction device is an air pump.
The beneficial effects of the utility model
1. According to the invention, the diameter-variable hose is extruded through the rotation of the eccentric wheel in an eccentric adjustment mode, so that the radial space of the diameter-variable hose is extruded to be reduced and enlarged, and the size of air inflow can be adjusted, thereby realizing adjustment, and being convenient to use and good in experience.
2. The utility model discloses a mode of activity centre gripping will filter the core and carry out the centre gripping and install between last floating pipe and lower registration arm, through the rotation driving screw rod for driving screw rod drives the floating plate and reciprocates, thereby drives the floating pipe and reciprocates, and flexible pipe can carry out corresponding drawing and shrink simultaneously, so make the dismantlement and the installation facility very of filtering the core.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a clamping and mounting structure of the upper floating pipe, the lower locating pipe and the filter element.
Fig. 3 is a schematic diagram of a separation structure of the upper floating pipe, the lower locating pipe and the filter element.
Fig. 4 is an enlarged schematic structural view of the eccentric adjustment mechanism of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, an eccentric adjustment type breathing apparatus for a protective cover comprises a tank body 1, a mask body 2, a clamping driving mechanism 4, a ventilation mechanism 3 and an eccentric adjustment mechanism 6; the outer parts of the two sides of the tank body 1 are respectively provided with a strap 11; the ventilation mechanism 3 comprises an upper connecting pipe 31, an extension pipe 32, an upper floating pipe 33, a filter core 34, a lower positioning pipe 35 and an air inlet cover 36; the upper connecting pipe 31 is penetrated in the middle of the upper end of the tank body 1; the upper end of the upper connecting pipe 31 is connected with the external mask body 2 through a vent pipe 311; the lower end of the upper connecting pipe 31 is connected with a telescopic pipe 32; the lower end of the extension tube 32 is connected with an upper floating tube 33; the lower positioning pipe 35 is connected in the middle of the lower end of the tank body 1 in a penetrating manner; the lower positioning pipe 35 and the upper floating pipe 33 are coaxially distributed; the filter element 34 is clamped and installed between the upper floating pipe 33 and the lower positioning pipe 35; the lower end of the lower positioning pipe 35 is provided with an air inlet cover 36; the lower positioning pipe 35 is provided with an air suction device 37; the clamping driving mechanism 4 comprises a driving screw rod 41, a positioning threaded cylinder 42, a floating plate 43 and a connecting block 44; one side of the upper end of the tank body 1 is provided with a positioning threaded cylinder 42 in a penetrating way; the positioning threaded cylinder 42 is rotatably connected with a driving screw rod 41; the upper end and the lower end of the driving screw rod 41 respectively extend to the outer part of the upper end and the inner part of the lower end of the tank body 1; two floating plates 43 are respectively arranged on two sides of the upper floating pipe 33; the end parts of the floating plates 43 are respectively clamped on the inner walls of the two sides of the tank body 1 in a sliding manner; the upper end of the floating plate 43 at one side of the upper floating pipe 33 is provided with a connecting block 44; the lower end of the driving screw rod 41 is rotationally clamped at the upper end of the connecting block 44; the side part of the tank body 1 is provided with a movable opening and closing door plate. The eccentric adjusting mechanism 6 comprises an eccentric wheel 62, a rotary driving rod 63, a rotary driving block 65, a clamping ring 64 and a reducing hose 61; the lower positioning pipe 35 is provided with a reducing hose 61; the reducing hose 61 is positioned inside the tank body 1; the eccentric wheel 62 is mounted and abutted against one side of the reducing hose 61; a rotary driving rod 63 is arranged at the bottom of the eccentric wheel 62; the outer sides of the periphery of the rotary driving rod 63 are rotationally clamped on the side wall of the bottom of the tank body 1 through clamping rings 64; the lower end of the rotary driving rod 63 extends to the outer side of the lower end of the tank body 1; the lower end of the rotary driving rod 63 is provided with a rotary driving block 65; the rotary driving rod 63 drives the eccentric wheel 62 to perform eccentric rotation.
As shown in fig. 1 to 4, it is further preferable that the clamp driving mechanism 4 further includes a positioning column 45, an abutting elastic body 47, and an abutting rod 46; two positioning columns 45 are respectively arranged at two ends of the lower part inside the tank body 1; the upper end of the positioning column 45 is provided with a guide groove; an abutting elastic body 47 is respectively arranged in the guide grooves; abutting rods 46 are respectively vertically arranged on the lower sides of the floating plates 43; the abutting rod 46 is inserted into the guiding groove of the positioning column 45 and elastically abuts against the upper end of the abutting elastic body 47. Further, the upper end of the connecting block 44 is provided with a rotary clamping groove; the lower end of the driving screw rod 41 is provided with a rotary clamping tooth; the driving screw 41 is clamped in the rotary clamping groove at the upper end of the connecting block 44 through the rotary clamping teeth at the lower end. Further, the filter element 34 comprises a clamping ring 341, a first filter membrane 342, a second filter membrane 343; the first filter membrane 342 and the second filter membrane 343 are arranged inside the clamp ring 341 in parallel up and down; the upper and lower ends of the clamping ring 341 are clamped and mounted between the upper floating pipe 33 and the lower positioning pipe 35. Further, the lower end of the upper floating pipe 33 and the upper end of the lower positioning pipe 35 are respectively provided with a sealing ring body 5; an annular groove 51 is formed in the sealing ring body 5; the upper and lower ends of the clamping ring 341 are respectively pressed and connected to the annular groove 51 of the sealing ring body 55. Further, sliding clamping grooves 12 are formed in the inner walls of the two sides of the tank body 1; the end parts of the floating plates 43 are respectively clamped on the sliding clamping grooves 12 on the inner walls of the two sides of the tank body 1 in a sliding manner. Further, the extension tube 32 is made of a bellows material. Further, the floating plate 43 is made of a teflon material. Further, the air suction device 37 is an air pump.
According to the invention, the reducing hose 61 is extruded through the rotation of the eccentric wheel 62 in an eccentric adjustment mode, so that the radial space of the reducing hose 61 is extruded, reduced and enlarged, and the size of air inflow can be adjusted, thereby realizing adjustment, and having convenient use and good experience; the utility model discloses a mode of activity centre gripping will filter core 34 and carry out the centre gripping and install between last floating pipe 33 and lower registration arm 35, through rotary drive screw 41 for drive screw 41 drives floating plate 43 and reciprocates, thereby drives last floating pipe 33 and reciprocates, and flexible pipe 32 can carry out corresponding drawing and shrink simultaneously, so make the dismantlement and the installation convenience very of filtering core 34.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An eccentric adjustment type protective cover breathing device is characterized by comprising a tank body, a mask body, a clamping driving mechanism, a ventilation mechanism and an eccentric adjustment mechanism; the outer parts of the two sides of the tank body are respectively provided with a strap; the ventilation mechanism comprises an upper connecting pipe, a telescopic pipe, an upper floating pipe, a filter core, a lower positioning pipe and an air inlet cover; the upper connecting pipe is connected in the middle of the upper end of the tank body in a penetrating manner; the upper end of the upper connecting pipe is connected with an external mask body through a vent pipe; the lower end of the upper connecting pipe is connected with a telescopic pipe; the lower end of the extension tube is connected with an upper floating tube; the lower positioning pipe is connected in the middle of the lower end of the tank body in a penetrating manner; the lower positioning pipe and the upper floating pipe are coaxially distributed; the filter element is clamped and arranged between the upper floating pipe and the lower positioning pipe; the lower end of the lower positioning pipe is provided with an air inlet cover; the lower positioning pipe is provided with an air suction device; the clamping driving mechanism comprises a driving screw rod, a positioning threaded cylinder, a floating plate and a connecting block; one side of the upper end of the tank body is connected with a positioning threaded cylinder in a penetrating way; the positioning threaded cylinder is rotationally connected with a driving screw; the upper end and the lower end of the driving screw rod respectively extend to the outer part of the upper end and the inner part of the lower end of the tank body; two floating plates are respectively arranged on two sides of the upper floating pipe; the end parts of the floating plates are respectively clamped on the inner walls of the two sides of the tank body in a sliding manner; a connecting block is arranged at the upper end of the floating plate on one side of the upper floating pipe; the lower end of the driving screw is rotationally clamped at the upper end of the connecting block; a movable opening and closing door plate is arranged on the side part of the tank body; the eccentric adjusting mechanism comprises an eccentric wheel, a rotary driving rod, a rotary driving block, a clamping ring and a reducing hose; the lower positioning pipe is provided with a reducing hose; the reducing hose is positioned inside the tank body; the eccentric wheel is installed and abutted against one side of the reducing hose; the bottom of the eccentric wheel is provided with a rotary driving rod; the outer sides of the periphery of the rotary driving rod are rotatably clamped on the side wall of the bottom of the tank body through clamping rings; the lower end of the rotary driving rod extends to the outer side of the lower end of the tank body; the lower end of the rotary driving rod is provided with a rotary driving block; the rotary driving rod drives the eccentric wheel to perform eccentric rotary motion.
2. The eccentric adjusting mask breathing device of claim 1 wherein the clamping drive mechanism further comprises a positioning post, an abutment elastomer, an abutment rod; two positioning columns are respectively arranged at two ends of the lower part of the inner part of the tank body; the upper end of the positioning column is provided with a guide groove; the guide grooves are internally provided with an abutting elastic body respectively; the lower sides of the floating plates are respectively and vertically provided with abutting rods; the abutting rod is inserted into the guide groove of the positioning column and elastically abuts against the upper end of the abutting elastic body.
3. The eccentric adjusting type protective cover breathing device according to claim 1, wherein the upper end of the connecting block is provided with a rotary clamping groove; the lower end of the driving screw is provided with a rotary clamping tooth; the driving screw is clamped in a rotary clamping groove at the upper end of the connecting block through a rotary clamping tooth at the lower end.
4. The eccentric adjusting mask breathing device of claim 1, wherein the filter cartridge comprises a clamping ring, a first filter membrane, a second filter membrane; the first filtering membrane and the second filtering membrane are arranged in the clamping ring in a vertical parallel mode; the upper end and the lower end of the clamping ring are clamped and installed between the upper floating pipe and the lower positioning pipe.
5. The eccentric adjusting type protective cover breathing device according to claim 4, wherein the lower end of the upper floating pipe and the upper end of the lower positioning pipe are respectively provided with a sealing ring body; an annular groove is formed in the sealing ring body; the upper end and the lower end of the clamping ring are respectively connected in the annular groove of the sealing ring body in a pressing mode.
6. The eccentric adjusting type protective cover breathing device according to claim 1, wherein sliding clamping grooves are formed on the inner walls of the two sides of the tank body; the end parts of the floating plates are respectively clamped on the sliding clamping grooves on the inner walls of the two sides of the tank body in a sliding mode.
7. The eccentric adjusting mask breathing apparatus of claim 1, wherein the bellows is made of a bellows material.
8. The eccentric adjusting mask breathing device of claim 1, wherein the floating plate is made of a polytetrafluoroethylene material.
9. The eccentric adjusting mask breathing device of claim 1, wherein the inhalation device is an air pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020313362.7U CN212651190U (en) | 2020-03-13 | 2020-03-13 | Eccentric regulation formula protection casing respiratory device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020313362.7U CN212651190U (en) | 2020-03-13 | 2020-03-13 | Eccentric regulation formula protection casing respiratory device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212651190U true CN212651190U (en) | 2021-03-05 |
Family
ID=74765112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020313362.7U Expired - Fee Related CN212651190U (en) | 2020-03-13 | 2020-03-13 | Eccentric regulation formula protection casing respiratory device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212651190U (en) |
-
2020
- 2020-03-13 CN CN202020313362.7U patent/CN212651190U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210305 |