CN214408592U

CN214408592U - Leakage detection device for protective mask

Info

Publication number: CN214408592U
Application number: CN202120280582.9U
Authority: CN
Inventors: 毛留伟; 赵作勇; 崔改革; 崔雪丽
Original assignee: Henan Beiya Biotechnology Co ltd
Current assignee: Henan Beiya Biotechnology Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-10-15
Anticipated expiration: 2031-02-01

Abstract

The utility model discloses a leakage detection device for a protective mask, which comprises a detection box and a moving component, wherein one side of the detection box is fixedly connected with a shell, one side of the shell is communicated with a sampling pipe, one end of the sampling pipe is communicated with a solenoid valve, one side inner wall of the detection box is fixedly connected with a support block, one end of the support block is fixedly connected with a forward and reverse motor, the moving component comprises a screw rod and a sealing gasket, the screw rod is fixedly arranged at the end of a main shaft of the forward and reverse motor, the leakage detection device for the protective mask drives the screw rod to rotate forward and reverse through the forward and reverse motor to drive the screw rod to move up and down, the moving position of the sampling pipe can be adjusted to ensure that the sampling pipe is communicated to enable particles to be sprayed on the protective mask to be detected through the solenoid valve, and the leakage detection device can be used for the height of a tester to detect, the detection accuracy is improved, and meanwhile the practicability is improved.

Description

Leakage detection device for protective mask

Technical Field

The utility model relates to a detection device, in particular to a revealing nature detection device for protective face mask belongs to protective face mask and detects technical field.

Background

The protective mask is an industrial protective mask for protecting eyes and face from dust, chemical substances, hot air, toxic gas, scraps and other harmful substances in the industry, and can be matched with a gas mask, a dust mask and a working cap for use to achieve the purpose of comprehensive protection.

When present protective mask detected at complex particulate matter detecting instrument, be not convenient for adjust spraying height of particulate matter according to measurement personnel's height, influence the detection effect easily, be not convenient for simultaneously take a breath the processing in the detection case.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a leakage nature detection device for protective face mask to the problem of being not convenient for adjust particulate matter spun height according to tester's height that proposes in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a leakage detection device for a protective mask comprises a detection box and a moving component, wherein a shell is fixedly connected to one side of the detection box, a sampling pipe is communicated to one side of the shell, an electromagnetic valve is communicated to one end of the sampling pipe, a support block is fixedly connected to the inner wall of one side of the detection box, a forward and reverse motor is fixedly connected to one end of the support block, the moving component comprises a screw rod and a sealing gasket, the screw rod is fixedly arranged at the tail end of a main shaft of the forward and reverse motor, a threaded block is spirally connected to the outer side of the screw rod, one end of the threaded block is mutually attached to the inner wall of one side of the detection box, the inner side of the threaded block is fixedly connected to the outer side of the sampling pipe, the sampling pipe is positioned at one side of the screw rod, the sealing gasket is fixedly arranged at the inner side of the shell, and the inner side of the shell is fixedly connected to the outer side of the sampling pipe, the opposite side intercommunication of detection case has the pipe of taking a breath, the one end block of taking a breath is connected with the card stopper, the outside of card stopper is equipped with the sealing washer, the opposite side fixedly connected with fixed plate of detection case, the inboard sliding connection of fixed plate has the stock, one side fixedly connected with fixed block of fixed plate, the bottom fixedly connected with slide bar of fixed block, the outside sliding connection of slide bar has the wedge, the wedge groove has been seted up to the top inboard of stock, the outside cover of slide bar is equipped with high-elastic spring, the both ends of high-elastic spring respectively with the bottom of fixed block with the top fixed connection of wedge.

As a preferred technical scheme of the utility model, the inner wall fixedly connected with extension board of detection case one side, the bottom of screw rod pass through the bearing with the extension board rotates to be connected.

As an optimal technical scheme of the utility model, the front of detection case articulates through the hinge has sealing door.

As a preferred technical scheme of the utility model, the outside cover of stock is equipped with the rebound spring, the both ends of rebound spring respectively with one side of fixed plate with the one end fixed connection of card stopper.

As a preferred technical scheme of the utility model, the movement track of stock is the linearity, the movement track of wedge is the linearity, the movement track of stock with the movement track of wedge is crossing.

As a preferred technical scheme of the utility model, the fixed flush mounting plate that is equipped with of opposite side of detection case, flush mounting plate's surface is equipped with just reversing motor switch and solenoid valve switch respectively, just reversing motor and solenoid valve are respectively through just reversing motor switch and solenoid valve switch and external power supply electric connection.

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

1. the utility model relates to a leakage nature detection device for protective face mask, through components such as screw rod, sampling pipe, sealed pad and solenoid valve, drive the screw rod through positive reverse motor and just reverse the rotation, drive the screw thread piece and reciprocate, the shift position that can adjust the sampling pipe makes the sampling pipe intercommunication make the particulate matter aim at the protective face mask of required detection and spray through the solenoid valve, can detect with adaptation tester's height, and the practicality improves simultaneously of the improvement detection accuracy degree.

2. The utility model relates to a leakage nature detection device for protective face mask, through the slide bar, the wedge, components such as rebound spring and sealing washer, the pole that moves on the right side drives the jam and breaks away from with the scavenge pipe mutually, the elasticity of high-elastic spring is convenient for drive and slide bar gliding wedge move down make wedge and the wedge on the stock block mutually block, can fix the position of stock, be convenient for take a breath, be favorable to reducing the too big influence that causes the pollutant discharge too much to cause the human body of opening simultaneously, the sealing washer is favorable to improving the seal of jam, the practicality improves, the back stock of finishing taking a breath resets through rebound spring's elasticity and makes the jam again with the scavenge pipe block, time saving and labor saving.

Drawings

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

fig. 2 is a schematic sectional structure of the present invention;

FIG. 3 is a schematic side view of the thread block of the present invention;

fig. 4 is an enlarged schematic structural view of the moving assembly of the present invention;

fig. 5 is an enlarged schematic view of a portion a of fig. 2 according to the present invention.

In the figure: 1. a detection box; 2. supporting a block; 3. a positive and negative rotation motor; 4. a housing; 5. a moving assembly; 51. a screw; 52. a thread block; 53. a gasket; 6. a sampling tube; 7. an electromagnetic valve; 8. a ventilation tube; 9. blocking; 10. a seal ring; 11. a support plate; 12. a switch panel; 13. a sealing door; 14. a long rod; 15. a fixing plate; 16. a fixed block; 17. a slide bar; 18. a rebound spring; 19. a wedge block; 20. a high-elasticity 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 leakage detection device for a protective mask, comprising a detection box 1 and a movable assembly 5, wherein one side of the detection box 1 is fixedly connected with a housing 4, one side of the housing 4 is communicated with a sampling tube 6, one end of the sampling tube 6 is communicated with a solenoid valve 7, one side of the inner wall of the detection box 1 is fixedly connected with a support block 2, one end of the support block 2 is fixedly connected with a forward and reverse motor 3, the movable assembly 5 comprises a screw 51 and a sealing gasket 53, the screw 51 is fixedly arranged at the end of a main shaft of the forward and reverse motor 3, the outer side of the screw 51 is spirally connected with a thread block 52, one end of the thread block 52 is mutually attached to the inner wall of one side of the detection box 1, the inner side of the thread block 52 is fixedly connected with the outer side of the sampling tube 6, the sampling tube 6 is arranged at one side of the screw 51, the sealing gasket 53 is fixedly arranged at the inner side of the housing 4, the inner side of the housing 4 is fixedly connected with the outer side of the sampling tube 6, the opposite side intercommunication of detection case 1 has the scavenge pipe 8, the one end block of scavenge pipe 8 is connected with card stopper 9, the outside of card stopper 9 is equipped with sealing washer 10, the opposite side fixedly connected with fixed plate 15 of detection case 1, the inboard sliding connection of fixed plate 15 has stock 14, one side fixedly connected with fixed block 16 of fixed plate 15, the bottom fixedly connected with slide bar 17 of fixed block 16, slide bar 17's outside sliding connection has wedge 19, the wedge groove has been seted up to stock 14's top inboard, the outside cover of slide bar 17 is equipped with high-elastic spring 20, high-elastic spring 20's both ends respectively with the bottom of fixed block 16 and the top fixed connection of wedge 19.

Preferably, a support plate 11 is fixedly connected to the inner wall of one side of the detection box 1, and the bottom end of the screw 51 is rotatably connected with the support plate 11 through a bearing, so that the stability of the screw 51 is improved; the front side of the detection box 1 is hinged with a sealing door 13 through a hinge, so that the sealing property in the detection box 1 is improved; a rebound spring 18 is sleeved on the outer side of the long rod 14, and two ends of the rebound spring 18 are respectively and fixedly connected with one side of the fixing plate 15 and one end of the clamping plug 9, so that the clamping plug 9 is driven to rebound and reset to block the ventilation tube 8; the movement track of the long rod 14 is linear, the movement track of the wedge-shaped block 19 is linear, and the movement track of the long rod 14 is intersected with the movement track of the wedge-shaped block 19, so that the long rod 14 is conveniently limited by clamping the wedge-shaped block 19 and a wedge-shaped groove on the long rod 14; the other side of the detection box 1 is fixedly provided with a switch panel 12, the surface of the switch panel 12 is respectively provided with a forward and reverse rotation motor switch and an electromagnetic valve switch, and the forward and reverse rotation motor 3 and the electromagnetic valve 7 are respectively electrically connected with an external power supply through the forward and reverse rotation motor switch and the electromagnetic valve switch, so that the operation of the electromagnetic valve 7 and the forward and reverse rotation motor 3 can be conveniently controlled.

When the leakage detecting device is used, firstly, after the device is ready for detection and works, a tester wears the protective mask to open the sealing door 13 and enters the detection box 1, then the forward and reverse motor 3 is controlled to be started through the forward and reverse motor switch on the switch panel 12, the forward and reverse motor 3 drives the screw rod 51 to rotate to drive the threaded block 52 to move up and down, so that the up and down movement adjusting position of the sampling pipe 6 in the threaded block 52 can be driven, the sampling pipe 6 can be aligned to the protective mask according to the height adjusting position of the tester, the detection effect can be improved, the electromagnetic valve 7 is opened through the switch panel 12 to spray particles in the shell 4 along with the sampling pipe 6, the sealing gasket 53 is favorable for improving the sealing performance of the shell 4, reducing the leakage of the particles, and then the values are recorded through the detecting equipment, accomplish after the nature of revealing detects this moment through pulling stock 14 right make stock 14 drive card stopper 9 break away from with the pipe 8 of taking a breath mutually, be linked together air regenerating device and pipe 8 of taking a breath, this moment high-elastic spring 20's elasticity drive move down with slide bar 17 gliding wedge 19 mutually and make wedge 19 and the last dovetail looks block of stock 14, can fix stock 14's position, be convenient for take a breath, be favorable to reducing the too big influence that causes the pollutant discharge too much to cause the human body of opening simultaneously, sealing washer 10 is favorable to improving the seal of card stopper 9, the practicality improves, stock 14 resets through rebound spring 18's elasticity after finishing taking a breath makes card stopper 9 block with pipe 8 of taking a breath again, time saving and labor saving.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

1. A leak detection device for a protective mask, comprising a detection box (1) and a mobile assembly (5), characterized in that: the utility model discloses a detection box, including detection case (1), one side fixedly connected with casing (4), one side intercommunication of casing (4) has sampling pipe (6), the one end intercommunication of sampling pipe (6) has solenoid valve (7), one side inner wall fixedly connected with of detection case (1) props up piece (2), the one end fixedly connected with of propping up piece (2) is motor (3) just reversing, remove subassembly (5) including screw rod (51) and sealed pad (53), screw rod (51) are fixed to be set up just reversing the main shaft end of motor (3), the outside screwed connection of screw rod (51) has screw block (52), the one end of screw block (52) with the inner wall of detection case (1) one side laminates each other, the inboard of screw block (52) with the outside fixed connection of sampling pipe (6), sampling pipe (6) are located one side of screw rod (51), the fixed setting of sealed pad (53) is in the inboard of casing (4), the inboard of casing (4) with the outside fixed connection of sampling pipe (6), the opposite side intercommunication of detection case (1) has breather pipe (8), the one end block of breather pipe (8) is connected with kayser (9), the outside of kayser (9) is equipped with sealing washer (10), the opposite side fixedly connected with fixed plate (15) of detection case (1), the inboard sliding connection of fixed plate (15) has stock (14), one side fixedly connected with fixed block (16) of fixed plate (15), the bottom fixedly connected with slide bar (17) of fixed block (16), the outside sliding connection of slide bar (17) has wedge (19), the groove has been seted up to the top inboard of stock (14), the outside cover of slide bar (17) is equipped with high-elastic spring (20), and two ends of the high-elasticity spring (20) are respectively and fixedly connected with the bottom end of the fixed block (16) and the top end of the wedge-shaped block (19).

2. A leak detection apparatus for a face shield according to claim 1, wherein: the inner wall of one side of the detection box (1) is fixedly connected with a support plate (11), and the bottom end of the screw rod (51) is rotatably connected with the support plate (11) through a bearing.

3. A leak detection apparatus for a face shield according to claim 1, wherein: the front surface of the detection box (1) is hinged with a sealing door (13) through a hinge.

4. A leak detection apparatus for a face shield according to claim 1, wherein: the outside cover of stock (14) is equipped with resilience spring (18), the both ends of resilience spring (18) respectively with one side of fixed plate (15) with the one end fixed connection of card stopper (9).

5. A leak detection apparatus for a face shield according to claim 1, wherein: the movement track of the long rod (14) is linear, the movement track of the wedge block (19) is linear, and the movement track of the long rod (14) is intersected with the movement track of the wedge block (19).

6. A leak detection apparatus for a face shield according to claim 1, wherein: the other side of detection case (1) is fixed and is equipped with flush mounting plate of switch (12), the surface of flush mounting plate of switch (12) is equipped with just reversing motor switch and solenoid valve switch respectively, just reversing motor (3) and solenoid valve (7) are through just reversing motor switch and solenoid valve switch and external power supply electric connection respectively.