CN213209855U

CN213209855U - Air supply amount detection device of protective mask

Info

Publication number: CN213209855U
Application number: CN202022515839.2U
Authority: CN
Inventors: 沈坤
Original assignee: Zhejiang Tongxuan Medical Technology Co Ltd; Shanghai Tongxuan Medical Technology Co ltd
Current assignee: Zhejiang Tongxuan Medical Technology Co Ltd; Shanghai Tongxuan Medical Technology Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-05-14
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses a protective facial mask's air supply volume detection device, the power distribution box comprises a box body, the mounting panel is installed to inside bottom upper surface one side of box, and installs the aspiration pump through the bolt on the mounting panel, the second trachea is installed to the one end of aspiration pump, and the tracheal other end of second installs the second ring flange, and first ring flange is installed to the opposite side of second ring flange, install fastening device on the opposite side outer wall of first ring flange, second L type trachea is installed to fastening device's below, the valve is installed to the tracheal other end of second L type, the last surface mounting of valve has first L type trachea, and first ring flange is installed to the tracheal other end of first L type. The utility model is simple in operation, can be comparatively simple obtain accurate numerical value, the practicality is strong, can be effectual the leakproofness between enhancement pipeline and the pipeline, accuracy when improving the device and measuring.

Description

Air supply amount detection device of protective mask

Technical Field

The utility model relates to a breathe protection test technical field, specifically be a protection mask's air supply volume detection device.

Background

The protective mask is divided into a gas supply type protective mask and a gas filtration type protective mask. The air filtering type mask can filter particles in air and block spray, blood, body fluid, toxic gas and secretion. The air supply type protective mask refers to an air supply type protective mask in chemical plants, fire scene, chemical hazard of weapons and other places, namely a common individual protective mask.

The air supply volume detection device defect of present protective facial mask is:

1. the air supply amount detection device of the existing protective mask is complex in operation, cannot simply obtain accurate numerical values, and is poor in practicability.

2. The air supply amount detection device of the existing protective mask has poor sealing performance between pipelines, air leakage is easy to occur, and the accuracy of measurement is influenced.

3. The tightness between the pipeline and the air supply amount detection device of the existing protective mask is poor, the pipeline is easy to loosen, the installation is troublesome, the installation is not simple and rapid enough, and the measurement effect is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protection mask's air supply volume detection device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a supply air quantity detection device of a protective mask comprises a box body, wherein a mounting plate is mounted on one side of the upper surface of the bottom in the box body, an air suction pump is mounted on the mounting plate through bolts, a second air pipe is mounted at one end of the air suction pump, a second flange plate is mounted at the other end of the second air pipe, a first flange plate is mounted on the other side of the second flange plate, a fastening mechanism is mounted on the outer wall of the other side of the first flange plate, a second L-shaped air pipe is mounted below the fastening mechanism, a valve is mounted at the other end of the second L-shaped air pipe, a first L-shaped air pipe is mounted on the upper surface of the valve, a first flange plate is mounted at the other end of the first L-shaped air pipe, a second flange plate is mounted on the outer wall of the other side of the first flange plate, a first air pipe is arranged on the, the emergency exit is installed to the preceding terminal surface of box, and is provided with first digital instrument on the emergency exit.

Preferably, a valve handle is mounted on a front end surface of the valve.

Preferably, first tracheal one end port is provided with sealed piece, and one side outer wall central point of sealed piece puts and has seted up the through-hole, installs small-size trachea in the through-hole, and small-size tracheal other end is located the inside of head mould, and the head mould is located the upper surface central point of casing and puts, and is provided with protective mask on the head mould, is provided with the venthole on the head mould, and the nostril department of head mould installs the pressure gauge, and pressure gauge and second digital instrument electric connection.

Preferably, the last connecting plate of installing of fastening device, and the connecting plate is connected with first ring flange, the upper surface central point of connecting plate puts and sets up threaded hole, and threaded hole installs the threaded rod, and the one end and the bearing of threaded rod are connected, and the bearing installs the upper surface central point at the arc piece and puts, and the lower surface interval of arc piece is provided with the anticreep arris, and the adjustment handle is installed to the other end of threaded rod.

Preferably, the hollow circular truncated cone is installed at the center of the outer wall of one side of the first flange plate, a second through hole is formed at the center of the outer wall of the hollow circular truncated cone, a first through hole is formed at the center of the outer wall of the first flange plate, the second through hole and the first through hole are communicated with each other, a sealing ring is arranged between the outer wall of the hollow circular truncated cone and the inner wall of the second air pipe, and the sealing ring is sleeved on the outer wall of the hollow circular truncated cone.

Preferably, the housing is installed at one side of an upper surface of the case.

Preferably, a first through hole is formed in the center of the outer wall of the first flange plate, the second through hole is communicated with the first through hole, a sealing ring is arranged between the outer wall of the hollow circular truncated cone and the inner wall of the second air pipe, and the sealing ring is sleeved on the outer wall of the hollow circular truncated cone.

Preferably, one end of the first air pipe passes through the flowmeter and is connected with the shell.

Preferably, the four corners of the lower surface of the box body are provided with the bases.

Preferably, the first digital meter is electrically connected with the flow meter.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the aspiration pump, the flowmeter, first digital instrument, second digital instrument and protective facial mask's cooperation sets up, during the use, wear protective facial mask on the head model, confirm the leakproofness between the trachea, start the aspiration pump, the resistance of measuring pipeline and flowmeter is overcome to aspiration pump help protective facial mask, show as zero for second digital instrument, the air current that explains protective facial mask and see out can unimpededly pass measuring pipeline and flowmeter, the reading on the reading of first digital instrument just is protective facial mask's air supply volume, therefore, the steam generator is simple in operation, can be comparatively simple obtain accurate numerical value, therefore, the clothes hanger is strong in practicability.

2. Through the cooperation setting of first ring flange, second ring flange, hollow round platform and sealing washer, the leakproofness between pipeline and the pipeline can effectually be strengthened in the setting of sealing washer, avoids leaking gas, and accuracy when improving the device and measuring avoids obtaining wrong data as far as.

3. Through the arc piece, the adjustment handle, the threaded rod, the connecting plate, screw hole and anticreep arris, carry out corotation or reversal to the adjustment handle, the adjustment handle carries out corotation or reversal and makes the threaded rod carry out corotation or reversal and make the arc piece can vertical displacement, thereby the arc piece can be fixed the pipeline by vertical displacement, anticreep arris can effectual improvement and the frictional force between the pipeline, prevent that the pipeline from lax gas leakage, improve the fastening nature between pipeline and the pipeline, and the installation is quick simple, can improve measuring measurement's measurement of efficiency.

Drawings

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

FIG. 2 is a front view of the present invention;

fig. 3 is a schematic view of a partial enlarged structure at a in fig. 1 according to the present invention;

fig. 4 is a schematic view of a partial enlarged structure at B in fig. 1 according to the present invention;

FIG. 5 is a schematic structural view of the fastening mechanism of the present invention

In the figure: 1. a flow meter; 2. a first air pipe; 3. a first L-shaped air pipe; 4. a valve; 5. a second L-shaped air pipe; 6. a box body; 7. a base; 8. mounting a plate; 9. an air pump; 10. a housing; 11. a protective mask; 12. a head die; 13. a first digital meter; 14. a fastening mechanism; 1401. adjusting the handle; 1402. a threaded rod; 1403. a connecting plate; 1404. a threaded hole; 1405. a bearing; 1406. an arc-shaped block; 1407. preventing edges from falling off; 15. a seal ring; 16. a hollow round table; 17. a first flange plate; 18. a second flange plate; 19. a first through hole; 20. a second through hole; 21. a small-sized trachea; 22. a sealing block; 23. a second air pipe; 24. a second digital meter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides an embodiment: a device for detecting the air supply quantity of a protective mask comprises a box body 6, wherein a mounting plate 8 is mounted on one side of the upper surface of the bottom end in the box body 6, an air extracting pump 9 is mounted on the mounting plate 8 through bolts, a second air pipe 23 is mounted at one end of the air extracting pump 9, a second flange plate 18 is mounted at the other end of the second air pipe 23, a first flange plate 17 is mounted on the other side of the second flange plate 18, a fastening mechanism 14 is mounted on the outer wall of the other side of the first flange plate 17, a connecting plate 1403 is mounted on the fastening mechanism 14, the connecting plate 1403 is connected with the first flange plate 17, a threaded hole 1404 is formed in the center of the upper surface of the connecting plate 1403, a threaded rod 1402 is mounted in the threaded hole 1404, one end of the threaded rod 1402 is connected with a bearing 1405, the bearing 1405 is mounted in the center of the upper surface of an arc block, the pipeline anti-loosening device comprises an adjusting handle 1401, a threaded rod 1402, a pipe, an anti-loosening edge 1407, a valve 4, a valve door handle, a first L-shaped air pipe 3, a first flange plate 17, a hollow circular truncated cone 16, a first clamping plate and a second clamping plate, wherein the adjusting handle 1401 is positively or reversely rotated, the threaded rod 1402 is positively or reversely rotated to enable an arc block 1406 to vertically displace, the arc block 1406 can vertically displace to fix a pipeline, the anti-loosening edge 1407 can effectively improve the friction force between the anti-loosening edge and the pipeline, the pipeline is prevented from loosening and air leakage, the tightness between the pipeline and the pipeline is improved, the installation is quick and simple, the measurement efficiency of measurement can be improved, the second L-shaped air pipe 5 is installed below a fastening mechanism 14, the valve 4 is installed at the other end of the second L-shaped air pipe 5, the valve door handle is installed on the front end, a second through hole 20 is arranged at the center of the outer wall of the hollow circular truncated cone 16, a first through hole 19 is arranged at the center of the outer wall of the first flange 17, the second through hole 20 and the first through hole 19 are communicated, a sealing ring 15 is arranged between the outer wall of the hollow circular truncated cone 16 and the inner wall of the second air pipe 23, the sealing ring 15 is sleeved on the outer wall of the hollow circular truncated cone 16, a second flange 18 is arranged on the outer wall of the other side of the first flange 17, the sealing ring 15 can effectively enhance the sealing performance between the pipeline and the pipeline, avoid air leakage, improve the accuracy of the device in measurement, avoid obtaining wrong data as much as possible, a first air pipe 2 is arranged on the outer wall of the other side of the second flange 18, one end of the first air pipe 2 passes through the flowmeter 1 to be connected with the shell 10, one end of the first air pipe 2 is positioned inside the shell 10, and a, a through hole is arranged at the center of the outer wall at one side of the sealing block 22, a small-sized air pipe 21 is arranged in the through hole, the other end of the small-sized air pipe 21 is positioned inside a head die 12, the head die 12 is positioned at the center of the upper surface of the shell 10, a protective mask 11 is arranged on the head die 12, an air outlet is arranged on the head die 12, a pressure gauge is arranged at the nostril of the head die 12 and is electrically connected with a second digital instrument 24, the shell 10 is arranged at one side of the upper surface of the box body 6, a safety door is arranged on the front end surface of the box body 6, a first digital instrument 13 is arranged on the safety door, the first digital instrument 13 is electrically connected with the flowmeter 1, a base 7 is arranged at each of four corners of the lower surface of the box body 6, when the air-measuring device is used, the protective mask 11 is worn on the head die 12, the tightness between the air pipes is, when the second digital instrument 24 shows zero, it indicates that the airflow sent by the protective mask 11 can smoothly pass through the measuring pipeline and the flowmeter 1, and the reading on the first digital instrument 13 is the air output of the protective mask 11.

The working principle is as follows: before the device is used, the adjusting handle 1401 is rotated forwards or backwards to enable the threaded rod 1402 to rotate forwards or backwards, the threaded rod 1402 rotates forwards or backwards to enable the arc block 1406 to be displaced vertically, the arc block 1406 can be displaced vertically to fix a pipeline, the anti-dropping ribs 1407 can effectively improve the friction between the anti-dropping ribs and the pipeline, the pipeline is prevented from loosening and air leakage, the tightness between the pipeline and the pipeline is improved, the device is quick and simple to install and can improve the measuring efficiency of measurement, when the device is used, the protective mask cover 11 is worn on the head die 12 to confirm the tightness between air pipes, the air suction pump 9 is started, the air suction pump 9 helps the protective mask 11 to overcome the resistance of the measuring pipeline and the flow meter 1, when the second digital instrument 24 shows zero, the air flow sent by the protective mask 11 can smoothly pass through the measuring pipeline and the flow meter 1, read the reading on the first digital instrument 13 and just be protective facial mask 11's air supply volume, easy operation, can be comparatively simple obtain accurate numerical value, the practicality is strong to sealing washer 15 set up can effectually strengthen the leakproofness between pipeline and the pipeline, avoid leaking gas, improve the accuracy when the device is measured, avoid obtaining wrong data as far as.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a protection mask's air supply volume detection device, includes box (6), its characterized in that: the air pump is characterized in that a mounting plate (8) is mounted on one side of the upper surface of the inner bottom end of the box body (6), an air pump (9) is mounted on the mounting plate (8) through bolts, a second air pipe (23) is mounted at one end of the air pump (9), a second flange plate (18) is mounted at the other end of the second air pipe (23), a first flange plate (17) is mounted at the other side of the second flange plate (18), a fastening mechanism (14) is mounted on the outer wall of the other side of the first flange plate (17), a second L-shaped air pipe (5) is mounted below the fastening mechanism (14), a valve (4) is mounted at the other end of the second L-shaped air pipe (5), a first L-shaped air pipe (3) is mounted on the upper surface of the valve (4), the first flange plate (17) is mounted at the other end of the first L-shaped air pipe (3), and the second flange plate (18, be provided with first trachea (2) on the opposite side outer wall of second ring flange (18), and the one end of first trachea (2) is located inside casing (10), the emergency exit is installed to the preceding terminal surface of box (6), and is provided with first digital instrument (13) on the emergency exit.

2. The air volume detection device for a protective mask according to claim 1, wherein: and a valve handle is arranged on the front end surface of the valve (4).

3. The air volume detection device for a protective mask according to claim 1, wherein: the one end port of first trachea (2) is provided with sealed piece (22), and one side outer wall central point of sealed piece (22) puts and has seted up the through-hole, install small-size trachea (21) in the through-hole, and the other end of small-size trachea (21) is located the inside of head mould (12), the upper surface central point that head mould (12) are located casing (10) puts, and be provided with protective mask (11) on head mould (12), be provided with the venthole on head mould (12), the pressure gauge is installed to the nostril department of head mould (12), and pressure gauge and second digital instrument (24) electric connection.

4. The air volume detection device for a protective mask according to claim 1, wherein: install connecting plate (1403) on fastening device (14), and connecting plate (1403) is connected with first ring flange (17), screw hole (1404) have been seted up to the upper surface central point of connecting plate (1403), and install threaded rod (1402) in screw hole (1404), the one end and the bearing (1405) of threaded rod (1402) are connected, and bearing (1405) install the upper surface central point at arc piece (1406) and put, the lower surface interval of arc piece (1406) is provided with anticreep arris (1407), adjust handle (1401) are installed to the other end of threaded rod (1402).

5. The air volume detection device for a protective mask according to claim 1, wherein: the center of the outer wall of one side of the first flange plate (17) is provided with a hollow circular truncated cone (16), and the center of the outer wall of the hollow circular truncated cone (16) is provided with a second through hole (20).

6. The air volume detection device for a protective mask according to claim 1, wherein: the shell (10) is installed on one side of the upper surface of the box body (6).

7. The air volume detection device for a protective mask according to claim 1, wherein: a first through hole (19) is formed in the center of the outer wall of the first flange plate (17), the second through hole (20) and the first through hole (19) are communicated with each other, a sealing ring (15) is arranged between the outer wall of the hollow circular truncated cone (16) and the inner wall of the second air pipe (23), and the sealing ring (15) is sleeved on the outer wall of the hollow circular truncated cone (16).

8. The air volume detection device for a protective mask according to claim 1, wherein: one end of the first air pipe (2) penetrates through the flowmeter (1) to be connected with the shell (10).

9. The air volume detection device for a protective mask according to claim 1, wherein: four corners of the lower surface of the box body (6) are provided with bases (7).

10. The air volume detection device for a protective mask according to claim 1, wherein: the first digital instrument (13) is electrically connected with the flowmeter (1).