CN213456589U - Filter material pre-detection device for mask production - Google Patents

Abstract

The utility model discloses a filter material pre-detection device for mask production, which comprises a detection box, wherein the bottom of the detection box is fixedly connected with two fixed rods, the bottom ends of the fixed rods are fixedly connected with a transverse plate, a support plate is arranged below the transverse plate, two pairs of support legs are fixedly connected with two sides of the bottom of the support plate, a lifting mechanism is arranged between the support plate and the transverse plate, one side of the transverse plate is fixedly connected with a gas storage bin, the top of the detection box is fixedly connected with an air inlet pipe, a valve is arranged on the pipe body of the air inlet pipe, an outlet pipe is fixedly connected with the bottom of the detection box, the other end of the outlet pipe is fixedly connected with one side wall of the gas storage bin, the utility model has the advantages that the device is convenient to place and take through a series of structures, the detection accuracy is high, and the height can be adjusted, so that the operation of operators with different heights is facilitated.

Description

Filter material pre-detection device for mask production

Technical Field

The utility model relates to a gauze mask production technical field specifically is a filter material detection device in advance for gauze mask production.

Background

The mask may be classified into an air filtering type mask and an air supplying type mask. The structure of an air filtering type mask is divided into two parts, namely a main body of the mask, which can be simply understood as a frame of the mask, and a filter part.

Filter type gauze mask need pass through the filter material test before the production is sold to guarantee that the filter effect of gauze mask is up to standard, and can not harm the person's of wearing health, but current gauze mask filter material monitoring devices has the filter material to place and take inconvenient, and when detecting the filter material, has the gap between detection mechanism, causes to emit into gas and leaks from the gap, thereby causes the testing result to produce the error, consequently, we have provided a filter material detection device in advance for gauze mask production.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming prior art's placing and not convenient of taking, and when detecting the filter material, there is the gap between detection mechanism, causes the exhaust gas to leak from the gap to cause the testing result to produce the error defect, provide a filter material detection device in advance for gauze mask production. A filter material detection device in advance for gauze mask production has places and takes the convenience, and it is high to detect the accuracy, and adjustable height, and the operating personnel of the different heights of being convenient for operate characteristics such as.

In order to achieve the above object, the utility model provides a following technical scheme: a pre-detection device for filter materials used for mask production comprises a detection box, wherein the bottom of the detection box is fixedly connected with two fixing rods, the bottom ends of the fixing rods are fixedly connected with a transverse plate, a supporting plate is arranged below the transverse plate, two pairs of supporting legs are fixedly connected to two sides of the bottom of the supporting plate, a lifting mechanism is arranged between the supporting plate and the transverse plate, one side of the transverse plate is fixedly connected with a gas storage bin, the top of the detection box is fixedly connected with a gas inlet pipe, a valve is arranged on the pipe body of the gas inlet pipe, an outlet pipe is fixedly connected to the bottom of the detection box, the other end of the outlet pipe is fixedly connected to one side wall of the gas storage bin, a leakage-proof mechanism is arranged on the pipe bodies of the gas inlet pipe and the outlet pipe, two partition plates are arranged in the inner cavity of, just be equipped with the rectangle frame between the division board, the piece is placed to the both sides inner wall fixedly connected with of rectangle frame, two the top of placing the piece is equipped with the filter screen, two the top and the below of division board all are equipped with gas detection appearance and dust detector, gas detection appearance and dust detector difference fixed connection are at the both sides inner wall of detection case, the rectangle mouth has been seted up to the preceding terminal surface of detection case, the rectangle mouth is located two dead ahead between the division board, detection case one side outer wall hinge connection has the sealing door, the first fixed block of one side fixedly connected with of sealing door, the opposite side outer wall of detection case is equipped with fixed establishment.

Preferably, the lifting mechanism comprises a positioning block and two second fixing blocks, the second fixing blocks are fixedly connected to two sides of the top of the supporting plate, the second fixing blocks are symmetrically arranged around the central axis of the supporting plate, the positioning block is fixedly connected to the top of the supporting plate and is positioned in the middle of the two second fixing blocks, threaded holes are formed in the two second fixing blocks, threaded rods are connected with the threaded holes in a threaded manner, one ends of the threaded rods are fixedly connected with cranks, the other ends of the threaded rods are movably connected to one side of the positioning block through bearings, threaded blocks are connected to the rod bodies of the threaded rods in a threaded manner, rotating shafts are fixedly connected to the front end faces of the positioning blocks and are movably connected with two rotating blocks, sliding blocks are movably connected to the tops of the rotating blocks through the rotating shafts, sliding grooves matched with the sliding, the slider is located the spout, the side fixedly connected with connecting block of commentaries on classics piece, the side of connecting block and screw thread piece is the first spacing frame of fixedly connected with and the spacing frame of second respectively, the spacing frame inner chamber of first spacing frame and second is equipped with first rectangular block and second rectangular block respectively, one side fixedly connected with connecting rod of connecting block is kept away from to first rectangular block, the other end of connecting rod runs through the lateral wall and the fixed connection of the spacing frame of first spacing frame and second at the lateral wall of second rectangular block.

Preferably, the leak protection mechanism includes the leak protection storehouse, the leak protection storehouse cover is established on intake pipe and outlet duct, just one side difference fixed connection in the top and the bottom of detection case in the leak protection storehouse, be provided with the sealing washer in the leak protection storehouse, two first springs of leak protection storehouse one side inner wall fixedly connected with, the opposite side fixed connection of first spring is on the sealing washer.

Preferably, the rear wall and the inner walls of the two sides of the detection box are fixedly connected with first sealing gaskets, the first sealing gaskets are located between the two partition plates, and one side, close to the detection box, of the sealing door is provided with a second sealing gasket.

Preferably, the filter screen is located inside the rectangular frame, and the width and the length of the filter screen are equal to those of the rectangular frame.

Preferably, the fixing mechanism comprises an L-shaped block, the L-shaped block is located on one side of the first fixing block, two second springs are fixedly connected between the L-shaped block and the detection box, one side of the L-shaped block, which is far away from the detection box, is fixedly connected with a pulling block, a stabilizing opening is formed in the L-shaped block, a third fixing block penetrates through the stabilizing opening, and the third fixing block is fixedly connected to the outer wall of one side of the detection box.

Preferably, the thread block is provided with an internal thread matched with the threaded rod.

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

1. in the technical scheme, the L-shaped block is driven to move to one side by the pulling block, then the sealing door is opened to take out the rectangular frame, the filter material can be added above the filter screen, and the filter material is convenient to take out and place;

2. in the technical scheme, the first sealing gasket, the second sealing gasket, the sealing door and the rectangular frame are matched, so that gaps among the detection mechanisms can be reduced, and the discharged gas is prevented from leaking out of the gaps, so that the accuracy of a detection result is improved;

3. in this technical scheme, through the height of the adjustable diaphragm of elevating system and detection case to the operating personnel of different heights detects the operation, thereby improves the device's availability factor.

Drawings

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

FIG. 2 is a sectional view of the detection box of the present invention;

FIG. 3 is a schematic top view of the lifting mechanism;

FIG. 4 is a schematic structural diagram of a placement block, a filter screen and a rectangular frame;

FIG. 5 is a schematic front view of the inspection box and the sealing door.

Reference numbers in the figures: 1. a detection box; 2. fixing the rod; 3. a transverse plate; 4. a support plate; 5. supporting legs; 6. a gas storage bin; 7. an air inlet pipe; 8. an air outlet pipe; 9. a partition plate; 10. air holes are formed; 11. a rectangular frame; 12. placing the blocks; 13. a filter screen; 14. a gas detector; 15. a dust detector; 16. a rectangular opening; 17. a sealing door; 18. a first fixed block; 19. positioning blocks; 20. a second fixed block; 21. a threaded rod; 22. a crank; 23. a thread block; 24. rotating the block; 25. a slider; 26. a chute; 27. a connecting rod; 28. a first limit frame; 29. a second limit frame; 30. a first rectangular block; 31. a second rectangular block; 32. a leakage-proof bin; 33. A first spring; 34. a first gasket; 35. a second gasket; 36. an L-shaped block; 37. a third fixed block; 38. a second spring.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a pre-detection device for filter materials used for mask production comprises a detection box 1, two fixed rods 2 are fixedly connected to the bottom of the detection box 1, first sealing gaskets 34 are fixedly connected to the rear wall and the inner walls of two sides of the detection box 1, the first sealing gaskets 34 are positioned between two partition plates 9, a second sealing gasket 35 is arranged on one side, close to the detection box 1, of a sealing door 17, through the cooperation of the first sealing gaskets 34, the second sealing gaskets 35, the sealing door 17 and a rectangular frame 11, gaps between detection mechanisms can be reduced, leakage of discharged gas from the gaps is avoided, accuracy of detection results is improved, a transverse plate 3 is fixedly connected to the bottom end of each fixed rod 2, a support plate 4 is arranged below the transverse plate 3, two pairs of support legs 5 are fixedly connected to two sides of the bottom of the support plate 4, a lifting mechanism is arranged between the support plate 4 and the transverse plate 3, and, the second fixing blocks 20 are fixedly connected to two sides of the top of the supporting plate 4, the second fixing blocks 20 are symmetrically arranged about the central axis of the supporting plate 4, the positioning block 19 is fixedly connected to the top of the supporting plate 4 and is positioned in the middle of the two second fixing blocks 20, threaded holes are formed in the two second fixing blocks 20, threaded rods 21 are connected to the threaded holes in a threaded manner, a crank 22 is fixedly connected to one ends of the threaded rods 21, the other ends of the threaded rods 21 are movably connected to one side of the positioning block 19 through bearings, threaded blocks 23 are connected to the rod bodies of the threaded rods 21 in a threaded manner, internal threads matched with the threaded rods 21 are formed in the threaded blocks 23, the rotating blocks 24 are adjusted through the threaded blocks 23 and the threaded rods 21, so that the height of the device is adjusted, a rotating shaft is fixedly connected to the front end face of the positioning block 19, two, the bottom surface of the transverse plate 3 is provided with a sliding groove 26 matched with the sliding block 25, the sliding block 25 is positioned in the sliding groove 26, the side surface of the rotating block 24 is fixedly connected with a connecting block, the side surfaces of the connecting block and the thread block 23 are respectively fixedly connected with a first limiting frame 28 and a second limiting frame 29, the inner cavities of the first limiting frame 28 and the second limiting frame 29 are respectively provided with a first rectangular block 30 and a second rectangular block 31, one side of the first rectangular block 30 far away from the connecting block is fixedly connected with a connecting rod 27, the other end of the connecting rod 27 penetrates through the side walls of the first limiting frame 28 and the second limiting frame 29 and is fixedly connected with the side wall of the second rectangular block 31, the heights of the transverse plate 3 and the detection box 1 can be adjusted through a lifting mechanism, so that operators with different heights can conveniently carry out detection operation, thereby the use efficiency of the device is improved, one side of the transverse plate 3 is fixedly connected with, the air inlet pipe 7 is of a hose structure and has a stretchable characteristic, a valve is arranged on a pipe body of the air inlet pipe 7, an air outlet pipe 8 is fixedly connected to the bottom of the detection box 1, the air outlet pipe 8 is of a hose structure and has a stretchable characteristic, the other end of the air outlet pipe 8 is fixedly connected to one side wall of the air storage bin 6, leakage-proof mechanisms are arranged on pipe bodies of the air inlet pipe 7 and the air outlet pipe 8, each leakage-proof mechanism comprises a leakage-proof bin 32, the leakage-proof bins 32 are sleeved on the air inlet pipe 7 and the air outlet pipe 8, one sides of the leakage-proof bins 32 are respectively and fixedly connected to the top and the bottom of the detection box 1, a sealing ring is arranged in each leakage-proof bin 32, two first springs 33 are fixedly connected to the inner wall of one side of each leakage-proof bin 32, the other sides of the first springs 33 are fixedly connected to, thereby causing harm to the body of an operator, the inner cavity of the detection box 1 is provided with two partition plates 9, two sides of the partition plates 9 are fixedly connected with the inner wall of the detection box 1, the surface of the partition plates is provided with a plurality of air holes 10, a rectangular frame 11 is arranged between the partition plates 9, the inner walls of two sides of the rectangular frame 11 are fixedly connected with placing blocks 12, a filter screen 13 is arranged above the two placing blocks 12, the filter screen 13 is positioned inside the rectangular frame 11, the width and the length of the filter screen 13 are equal to the width and the length of the rectangular frame 11, the filter material can be placed on the filter screen 13, then the filter screen 13 and the rectangular frame 11 can be placed in the detection box 1 for detection, a gas detector 14 and a dust detector 15 are respectively arranged above and below the two partition plates 9, the gas detector 14 and the dust detector 15 are respectively fixedly connected with the inner walls of two sides of the, rectangle mouth 16 is located the dead ahead between two division boards 9, detection case 1 one side outer wall hinge connection has sealing door 17, the first fixed block 18 of one side fixedly connected with of sealing door 17, the opposite side outer wall of detection case 1 is equipped with fixed establishment, fixed establishment includes L-shaped piece 36, L-shaped piece 36 is located one side of first fixed block 18, two second springs 38 of fixedly connected with between L-shaped piece 36 and the detection case 1, its one side fixedly connected with pulling block of keeping away from detection case 1, and set up the stable mouth on the L-shaped piece 36, it has third fixed block 37 to pass in the stable mouth, 37 fixed connection of third fixed block is at one side outer wall of detection case 1, it removes to one side to drive L-shaped piece 36 through pulling block, later open sealing door 17 and take out rectangular frame 11, can add the filter material to the top of filter screen 13, the filter material takes out and places.

The working principle is as follows: the utility model discloses when using, wave crank 22, crank 22 drives threaded rod 21 rotatory, threaded rod 21 drives screw block 23 through the screw thread effect and removes, screw block 23 drives first spacing frame 28 and first rectangular block 30 through the cooperation of second spacing frame 29 and second rectangular block 31 and connecting rod 27 and removes, then the connecting block drives two and changes 24 rotations, thereby make diaphragm 3 and detection case 1 rise to the height that is fit for the operating personnel to operate, later open the valve in intake pipe 7, then will contain formaldehyde, benzene, nitrogen gas, the gas of TVOC and dust is discharged into detection case 1 inner chamber from intake pipe 7, can detect formaldehyde in the air respectively through gas detector 14 and dust detector 15 of division board 9 top, benzene, nitrogen gas, the concentration of TVOC and dust, gas passes through the filter material contact on bleeder vent 10 and the filter screen 13 after that, can be to formaldehyde in the air through the filter material, Benzene, nitrogen, TVOC and dust are filtered, the filtered gas penetrates through the filter material and enters the inner cavity at the bottom of the detection box 1, then the concentration of formaldehyde, benzene, nitrogen, TVOC and dust in the gas can be detected again through the gas detector 14 and the dust detector 15 below the partition plate 9, and is compared with the data detected by the gas detector 14 and the dust detector 15 above the partition plate 9, so that the filtering performance of the filter material can be detected, when the detection is finished, a valve on the gas outlet pipe 8 can be opened, the gas is led to the gas storage bin 6 to be recovered, when the device is used for a long time and the filter material on the filter screen 13 blocks the mesh, the L-shaped block 36 can be driven by the pulling block to move to one side, then the sealing door 17 is opened, the rectangular frame 11 is pulled out of the detection box 1, and the filter screen 13 is taken down from the placing block 12, so that the filter screen 13 can be cleaned or replaced, the above is the whole working process of the utility model.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a filter material detection device in advance for gauze mask production, includes detection case (1), its characterized in that: the bottom of the detection box (1) is fixedly connected with two fixing rods (2), the bottom of each fixing rod (2) is fixedly connected with a transverse plate (3), a supporting plate (4) is arranged below the transverse plate (3), two pairs of supporting legs (5) are fixedly connected to two sides of the bottom of the supporting plate (4), a lifting mechanism is arranged between the supporting plate (4) and the transverse plate (3), one side of the transverse plate (3) is fixedly connected with a gas storage bin (6), the top of the detection box (1) is fixedly connected with an air inlet pipe (7), a valve is arranged on a pipe body of the air inlet pipe (7), the bottom of the detection box (1) is fixedly connected with an air outlet pipe (8), the other end of the air outlet pipe (8) is fixedly connected to one side wall of the gas storage bin (6), and the pipe bodies of the air inlet pipe (7) and the air outlet pipe, the inner cavity of the detection box (1) is provided with two partition plates (9), the two sides of each partition plate (9) are fixedly connected to the inner wall of the detection box (1), the surface of each partition plate is provided with a plurality of air holes (10), a rectangular frame (11) is arranged between the partition plates (9), the inner walls of the two sides of each rectangular frame (11) are fixedly connected with placing blocks (12), two filter screens (13) are arranged above the placing blocks (12), gas detectors (14) and dust detectors (15) are arranged above and below the two partition plates (9), the gas detectors (14) and the dust detectors (15) are respectively and fixedly connected to the inner walls of the two sides of the detection box (1), the front end surface of the detection box (1) is provided with a rectangular opening (16), the rectangular opening (16) is positioned right ahead between the two partition plates (9), and the outer wall of one side of the detection box (1) is hinged with a sealing door (, one side fixedly connected with first fixed block (18) of sealing door (17), the opposite side outer wall of detection case (1) is equipped with fixed establishment.

2. The device for pre-detecting the filter material used for mask production according to claim 1, wherein: the lifting mechanism comprises a positioning block (19) and two second fixing blocks (20), the second fixing blocks (20) are fixedly connected to two sides of the top of the supporting plate (4), the second fixing blocks (20) are symmetrically arranged about the central axis of the supporting plate (4), the positioning block (19) is fixedly connected to the top of the supporting plate (4) and is located in the middle of the two second fixing blocks (20), two of the second fixing blocks (20) are provided with threaded holes, threaded rods (21) are connected in the threaded holes in a threaded manner, one ends of the threaded rods (21) are fixedly connected with a crank (22), the other ends of the threaded rods (21) are movably connected to one side of the positioning block (19) through bearings, threaded blocks (23) are connected to the rod bodies of the threaded rods (21) in a threaded manner, and a rotating shaft is fixedly connected to the front end face of the positioning block (, the rotating shaft is movably connected with two rotating blocks (24), the top of each rotating block (24) is movably connected with a sliding block (25) through the rotating shaft, the bottom surface of the transverse plate (3) is provided with a sliding groove (26) matched with the sliding block (25), the slide block (25) is positioned in the sliding groove (26), the side surface of the rotating block (24) is fixedly connected with a connecting block, the side surfaces of the connecting block and the thread block (23) are respectively fixedly connected with a first limiting frame (28) and a second limiting frame (29), the inner cavities of the first limiting frame (28) and the second limiting frame (29) are respectively provided with a first rectangular block (30) and a second rectangular block (31), one side of the first rectangular block (30) far away from the connecting block is fixedly connected with a connecting rod (27), the other end of the connecting rod (27) penetrates through the side walls of the first limiting frame (28) and the second limiting frame (29) and is fixedly connected to the side wall of the second rectangular block (31).

3. The device for pre-detecting the filter material used for mask production according to claim 1, wherein: leak protection mechanism includes leak protection storehouse (32), leak protection storehouse (32) cover is established on intake pipe (7) and outlet duct (8), just one side difference fixed connection of leak protection storehouse (32) is in the top and the bottom of detection case (1), be provided with the sealing washer in leak protection storehouse (32), two first springs (33) of leak protection storehouse (32) one side inner wall fixedly connected with, the opposite side fixed connection of first spring (33) is on the sealing washer.

4. The device for pre-detecting the filter material used for mask production according to claim 1, wherein: the rear wall and the two side inner walls of the detection box (1) are fixedly connected with first sealing gaskets (34), the first sealing gaskets (34) are located between the two partition plates (9), and one side, close to the detection box (1), of the sealing door (17) is provided with second sealing gaskets (35).

5. The device for pre-detecting the filter material used for mask production according to claim 1, wherein: the filter screen (13) is positioned inside the rectangular frame (11), and the width and the length of the filter screen (13) are equal to those of the rectangular frame (11).

6. The device for pre-detecting the filter material used for mask production according to claim 1, wherein: the fixing mechanism comprises an L-shaped block (36), the L-shaped block (36) is located on one side of a first fixing block (18), two second springs (38) are fixedly connected between the L-shaped block (36) and the detection box (1), one side of the L-shaped block (36) far away from the detection box (1) is fixedly connected with a pulling block, a stabilizing opening is formed in the L-shaped block (36), a third fixing block (37) penetrates through the stabilizing opening, and the third fixing block (37) is fixedly connected to the outer wall of one side of the detection box (1).

7. The device for pre-detecting the filter material used for mask production according to claim 2, characterized in that: the thread block (23) is provided with an internal thread matched with the threaded rod (21).

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