CN218885699U

CN218885699U - Blockage testing device

Info

Publication number: CN218885699U
Application number: CN202222655324.1U
Authority: CN
Inventors: 陆冰; 张慧芬
Original assignee: Jiangsu Guojian Testing Technology Co ltd
Current assignee: Jiangsu Guojian Testing Technology Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-04-18
Anticipated expiration: 2032-10-10

Abstract

The utility model discloses a blockage testing device, which belongs to the technical field of mask blockage testing, and comprises a base, a head die arranged on the upper surface of the base and a mask arranged on the right side of the head die, wherein the upper surface of the base is provided with a testing box, a filtering box and a breathing machine main body, the filtering box is arranged above the breathing machine main body, the testing box is arranged on the right upper side of the filtering box, one end of a second conveying pipe is communicated with the testing box, and the left side surface of the testing box is communicated with the first conveying pipe; this block testing arrangement, through setting up the flowmeter, the breathing machine main part, the air after the head mould passes through the conveyer pipe two absorptions and sees through the face guard, carry the test box in, utilize the flowmeter can detect the velocity of flow in the test box, be favorable to obtaining better test effect, can better simulate people's true respiratory process, judge the jam condition of face guard according to the wind speed that the probe detected, can block the test to the face guard better to can satisfy actual demand better.

Description

Blockage testing device

Technical Field

The utility model relates to a face guard blocks test technical field, especially relates to a block testing arrangement.

Background

The diverse face guard has appeared according to the difference of actual demand in the existing market, wherein, filtration formula anti-particulate matter face guard can provide the abundant sealed to the surrounding environment for wearer's face, mainly used prevents solid and liquid aerosol, the air admission filters anti-particulate matter face guard, and directly lead to the nose and the mouth region of face guard, the air of exhalation directly flows to the atmosphere around through the filtering material of face guard, owing to wear filtration formula anti-particulate matter face guard and use the breathing resistance of certain time back dust part blocking face guard and increase face guard under the dust environment, just so influenced the performance of face guard product, and then need block the test to face guard.

The face guard blocks test equipment and can be used for the simulation test filtration formula to prevent the particulate matter face guard the jam condition under dust environment, and face guard blocks test equipment on the existing market can not test the jam of face guard through test air-out flow, can't satisfy actual demand well.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of block testing arrangement has solved face guard and has blockked up test equipment and can be used for the simulation test filtration formula to prevent the particle matter face guard the jam condition under dust environment, and face guard on the current market blocks test equipment and can not test the jam of face guard through test air-out flow, can't satisfy the problem of actual demand well.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a block testing arrangement, includes the base, installs the head mould on the base upper surface and sets up the face guard on the head mould right side, the last surface mounting of base has test box, rose box and breathing machine main part, the rose box is located the top of breathing machine main part, the test box is located the upper right side of rose box, head mould in-service through installs conveyer pipe two, the one end and the test box of conveyer pipe two communicate mutually, conveyer pipe one is installed to the left surface intercommunication of test box, the connecting pipe is installed to the lower surface intercommunication of conveyer pipe one, the connecting pipe is linked together with the rose box, the breathing machine main part is linked together with the rose box, be provided with the probe in the test box, the last surface mounting of test box has the flowmeter, probe and flowmeter electric connection.

Adopt above-mentioned scheme, through setting up the flowmeter, through the breathing machine main part, the air after the head mould passes through the face guard is absorbed through second conveyer pipe, carries the test box in, utilizes the flowmeter can detect the velocity of flow in the test box, is favorable to obtaining better test effect, can better simulate people's true respiratory process, judges the jam condition of face guard according to the wind speed that the probe detected, can block the test to the face guard better to can satisfy actual demand better.

As a preferred embodiment, a filter screen is arranged in the filter box, a channel is formed in the rear side face of the filter box, one end of the filter screen penetrates through the channel and is provided with a cover plate, and the cover plate is connected with the filter box in a buckling mode through a lock catch.

Adopt above-mentioned scheme, through setting up apron and filter screen, utilize the filter screen to filter the gas after the test, avoid gas to discharge external pollution outside air, combine the effect of hasp and apron, open the hasp at any time and dismantle the clearance to the filter screen.

As a preferred embodiment, two fixing rings are respectively installed on the front side surface and the rear side surface of the head die, hooks are hooked on the fixing rings, two intercepting belts are arranged on the outer side of the mask, and two ends of each intercepting belt are respectively fixedly connected with the two hooks located at the same height.

Adopt above-mentioned scheme, through setting up solid fixed ring and couple, utilize the interception area to be located the effect in the face guard outside, fix the face guard, avoid the face guard to drop from the head mould at the in-process that tests, combine couple and solid fixed ring's effect, take off the contact from solid fixed ring with the couple at any time and fix the face guard.

As a preferred embodiment, an L-shaped supporting plate is mounted on the upper surface of the base, a dust box is arranged on the supporting plate, the dust box is located on the right side of the face mask, two through holes are formed in the left side and the right side of the dust box, and the same movable cylinder is arranged at the two through holes.

By adopting the scheme, the blocking condition of the mask in the dust environment is detected by setting the dust box and the movable cylinder and utilizing the effect of the dust placed in the movable cylinder, and then the blocking test of the mask in various environments is performed as far as possible.

As a preferred embodiment, a groove is formed in the front side surface of the supporting plate, a threaded rod is rotatably mounted in the groove, one end of the threaded rod penetrates through the supporting plate and is extended out of the supporting plate, an operating plate is mounted on the threaded rod, a sliding seat is mounted on the threaded rod in a threaded manner, the dust box is mounted on the front side surface of the sliding seat, and one end of the sliding seat is slidably mounted in the groove.

Adopt above-mentioned scheme, through setting up the threaded rod, utilize the effect of slide threaded mounting on the threaded rod for when rotating the threaded rod through the operation panel, the slide reciprocates along with the threaded rod, reciprocates the dust box, removes the front side of face guard with the dust box at any time, combines the effect of the one end slidable mounting of slide in the recess, carries on spacingly to the slide.

In a preferred embodiment, the upper surface of the base is provided with an outer frame, and the head module, the face mask and the respirator main body are all located in the outer frame.

By adopting the scheme, the outer frame is arranged, and the head die, the face mask and the breathing machine main body are shielded by utilizing the effect of the openings on the front side and the lower surface of the outer frame, so that the face mask can be tested in an interference-free mode when the blockage test is carried out, and the test effect is improved.

The utility model discloses in:

according to the blockage testing device, the flowmeter is arranged, the head model absorbs air penetrating through the mask through the second conveying pipe through the main body of the respirator and conveys the air into the testing box, the flow velocity in the testing box can be detected by using the flowmeter, so that a better testing effect can be obtained, the real breathing process of a person can be better simulated, the blockage condition of the mask is judged according to the wind velocity detected by the probe, the blockage test can be better carried out on the mask, and the actual requirement can be better met;

this block testing arrangement, through setting up apron and filter screen, utilize the filter screen to filter the gas after the test, avoid gas to discharge external pollution air, combine the effect of hasp and apron, open the hasp at any time and dismantle the clearance to the filter screen.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic view of the front view cross-sectional structure of the present invention;

fig. 3 is a schematic side view of the cross-section of the filtering box of the present invention.

In the figure: 1. a base; 2. a head die; 3. an outer frame; 4. a ventilator main body; 5. a filter box; 6. a connecting pipe; 7. a test box; 8. a first conveying pipe; 9. a second conveying pipe; 10. a probe; 11. a flow meter; 12. a filter screen; 13. a cover plate; 14. a fixing ring; 15. an interception belt; 16. hooking; 17. a support plate; 18. a threaded rod; 19. a slide base; 20. a dust box; 21. the cylinder is moved.

Detailed Description

Examples

Referring to fig. 1-3, the utility model provides a block testing arrangement, the on-line screen storage device comprises a base 1, install the head model 2 at base 1 upper surface and set up the face guard on head model 2 right side, base 1's upper surface mounting has test box 7, rose box 5 and breathing machine main part 4, rose box 5 is located breathing machine main part 4's top, test box 7 is located the upper right side of

rose box

5, 2 in-line penetrations of head model install conveyer pipe two 9, utilize conveyer pipe two 9 to absorb the air, the one end of conveyer pipe two 9 is linked together with test box 7, conveyer pipe 8 is installed in the left surface intercommunication of test box 7, utilize conveyer pipe 8 to carry the air after the test, connecting pipe 6 is installed to the lower surface intercommunication of conveyer pipe 8, connecting pipe 6 is linked together with rose box 5, breathing machine main part 4 is linked together with rose box 5, be provided with probe 10 in the test box 7, utilize probe 10 to detect the wind speed, the upper surface mounting of test box 7 has flowmeter 11, utilize flowmeter 11 to judge the wind speed,

probe

10 and 11 electric connection.

Be provided with filter screen 12 in the rose box 5, utilize filter screen 12 to filter the air after the test, the passageway has been seted up to the trailing flank of rose box 5, and the one end of filter screen 12 runs through and extends the passageway and install apron 13, utilizes apron 13 to support filter screen 12, and apron 13 passes through the hasp to be connected with rose box 5 lock.

Two fixing rings 14 are installed on the front side face and the rear side face of the head die 2, hooks 16 are hooked on the fixing rings 14, two intercepting belts 15 are arranged on the outer side of the mask, the mask is fixed through the intercepting belts 15, and two ends of the intercepting belts 15 are fixedly connected with the two hooks 16 located at the same height respectively.

The last surface mounting of base 1 has the backup pad 17 of L shape, is provided with dust box 20 on the backup pad 17, and dust box 20 is located the right side of face guard, and two through holes have all been seted up to dust box 20's the left and right sides, and two through hole departments are provided with same movable section of thick bamboo 21, utilize movable section of thick bamboo 21 to carry out the splendid attire to the dust.

The front side of backup pad 17 is seted up the recess, and the threaded rod 18 is installed to the recess internal rotation, utilizes threaded rod 18 drive slide 19 to remove, and the one end of threaded rod 18 runs through and extends backup pad 17 and install the operation panel, and threaded rod 18 is gone up the screw thread and is installed slide 19, utilizes slide 19 to support dust box 20 fixedly, and dust box 20 installs the front side at slide 19, and the one end slidable mounting of slide 19 is in the recess.

The upper surface of base 1 is provided with outer frame 3, utilizes outer frame 3 to protect head mould 2, face guard and breathing machine main part 4, and head mould 2, face guard and breathing machine main part 4 all are located outer frame 3.

The working principle is as follows: the mask is placed on the right side of the head die 2, the intercepting belt 15 is placed on the outer side of the mask, the hook 16 is hung on the fixing ring 14, the respirator body 4 is started, air penetrates through the mask and enters the second conveying pipe 9, then enters the test box 7, the probe 10 detects the air speed between the second conveying pipe 9 and the first conveying pipe 8, the air speed detected by the flowmeter 11 is compared with the normal air speed, the blocking condition of the mask is judged according to the error, the tested air enters the filter box 5 through the connecting pipe 6, enters the respirator body 4 through the filtering of the filter screen 12 and is discharged, when dust needs to be added, the movable cylinder 21 is moved out of the through hole, then the dust is placed in the movable cylinder 21, then the blocking condition of the mask is continuously tested, when the lock catch of the filter screen 12 needs to be disassembled, the cover plate 13 is opened, the cover plate 13 moves towards the rear side, the cover plate 13 drives the filter screen 12 to move out of the filter box 5, and the filter screen 12 can be cleaned.

Claims

1. The utility model provides a blockage testing device, its characterized in that includes base (1), installs head die (2) and the face guard of setting on head die (2) right side at base (1) upper surface, the last surface mounting of base (1) has test box (7), rose box (5) and breathing machine main part (4), rose box (5) are located the top of breathing machine main part (4), test box (7) are located the upper right side of rose box (5), conveyer pipe two (9) are installed to head die (2) in-through, the one end and the test box (7) of conveyer pipe two (9) are linked together, conveyer pipe (8) are installed to the left surface intercommunication of test box (7), connecting pipe (6) are installed to the lower surface intercommunication of conveyer pipe (8), connecting pipe (6) are linked together with rose box (5), breathing machine main part (4) are linked together with rose box (5), be provided with probe (10) in test box (7), the last surface mounting of test box (7) has flowmeter (11), probe (10) and flowmeter (11) electric connection.

2. The blockage testing device according to claim 1, wherein a filter screen (12) is arranged in the filter box (5), a channel is formed in the rear side face of the filter box (5), one end of the filter screen (12) penetrates through the channel and is provided with a cover plate (13), and the cover plate (13) is connected with the filter box (5) in a buckling mode through a lock catch.

3. The blockage testing device according to claim 1, wherein two fixing rings (14) are mounted on the front side surface and the rear side surface of the head die (2), hooks (16) are hooked on the fixing rings (14), two intercepting belts (15) are arranged on the outer side of the mask, and two ends of each intercepting belt (15) are fixedly connected with the two hooks (16) located at the same height respectively.

4. The blockage testing device according to claim 1, wherein an L-shaped supporting plate (17) is mounted on the upper surface of the base (1), a dust box (20) is arranged on the supporting plate (17), the dust box (20) is positioned on the right side of the mask, two through holes are formed in the left side and the right side of the dust box (20), and the same movable cylinder (21) is arranged at the two through holes.

5. The blockage testing device according to claim 4, wherein a groove is formed in the front side surface of the supporting plate (17), a threaded rod (18) is rotatably mounted in the groove, one end of the threaded rod (18) extends out of the supporting plate (17) in a penetrating mode and is provided with an operating plate, a sliding seat (19) is mounted on the threaded rod (18) in a threaded mode, the dust box (20) is mounted on the front side surface of the sliding seat (19), and one end of the sliding seat (19) is slidably mounted in the groove.

6. The occlusion testing device according to claim 1, characterized in that the upper surface of the base (1) is provided with an outer frame (3), the head piece (2), the face mask and the ventilator body (4) being located within the outer frame (3).