CN219417384U - Carbon monoxide concentration detector for occupational health detection - Google Patents

Abstract

The utility model belongs to the technical field of detectors, in particular to a carbon monoxide concentration detector for occupational health detection, which aims at the problems that the existing carbon monoxide concentration detector is used for a long time, the interior of the detector can absorb a lot of dust to influence the induction of an internal sensor of the detector, and detection deviation is easy to cause, the existing treatment mode is to remove the carbon monoxide detector after disassembly and operation is troublesome.

Description

Carbon monoxide concentration detector for occupational health detection

Technical Field

The utility model relates to the technical field of detectors, in particular to a carbon monoxide concentration detector for occupational health detection.

Background

Carbon monoxide is a kind of carbon oxide, the chemical formula is CO, the chemical formula weight is 28.0101, the gas is colorless, odorless and tasteless under the normal condition, and has toxicity, and the higher concentration can cause poisoning symptoms of different degrees, endanger brain, heart, liver, kidney, lung and other tissues of human body, and even die in an electric shock way, so that the corresponding detection of the carbon monoxide concentration of the air is needed, and the main tool is a carbon monoxide concentration detector.

Through retrieving, chinese patent with bulletin number CN213398422U discloses a carbon monoxide concentration detector for occupational health detection, which comprises a housing, the shell top is provided with gas detection cavity, the top of gas detection cavity is provided with fixed lid, the top of fixed lid is provided with the intake pipe, the one end that fixed lid was kept away from to the intake pipe is provided with the bucket of breathing in, the inner wall of bucket of breathing in is provided with the filter screen. According to the utility model, the annular flashing lamp can be used for conveniently reminding people of the safety of detected gas, the mounting hole can be used for conveniently mounting and connecting the air inlet pipe, the disassembly and maintenance are convenient, the filter screen can be used for filtering obstacles in air and preventing the blocking of the circulation channel of the detected gas, the air outlet hole can be used for discharging the gas in the gas detection cavity, and the detected gas can be conveniently circulated, so that the device is convenient for continuously detecting, has a simple structure, and is convenient for cleaning and maintaining the device, thereby improving the accuracy of gas detection.

The existing carbon monoxide concentration detector has the following defects:

1. the carbon monoxide concentration detector is used for a long time, so that the interior of the detector can absorb a lot of dust, the sensing of an internal sensor is affected, the detection deviation is easy to cause, and the carbon monoxide concentration detector is detached and then cleaned in the current treatment mode, so that the operation is troublesome.

In view of the above problems, the present document proposes a carbon monoxide concentration detector for detecting occupational health.

Disclosure of Invention

The utility model provides a carbon monoxide concentration detector for occupational health detection, which solves the problems that the carbon monoxide concentration detector is used for a long time in the prior art, the interior of the detector can suck a lot of dust, the sensing of an internal sensor is influenced, the detection deviation is easy to cause, and the current treatment mode is to remove the carbon monoxide detector after the disassembly and the operation is more troublesome.

The utility model provides the following technical scheme:

the utility model provides a carbon monoxide concentration detector for occupational health detects, includes the shell, one side of shell is provided with display screen, button and flashing lamp, display screen, button and flashing lamp are perpendicular distribution, one side of shell is provided with the mouth that charges, the top of shell is provided with the booster pump, the intake pipe of booster pump is fixed to be linked together has the air inlet, the outlet duct of booster pump is fixed to be linked together with the inside of shell, the bottom of shell is provided with the gas outlet, the inside of shell is provided with battery and alarm, still includes:

a gas sensor provided inside the housing and configured to detect a concentration of carbon monoxide in air;

the brush is arranged in the shell and is used for removing dust deposited on the surface of the gas sensor, and a first driving component used for driving the brush to reciprocate is arranged in the shell;

the bottom plate is rotatably connected to the bottom of the shell through the two hinges and is used for receiving dust cleaned by the hairbrushes, and the pushing component used for pushing the bottom plate to rotate is arranged in the shell.

In a possible design, first drive assembly is including installing at the inside motor of shell, the output shaft fixedly connected with half gear of motor, the inner wall sliding connection of shell has the rack, rack and half gear engagement, fixedly connected with same spring between the inner wall of rack and shell, the bottom of rack and the top fixed connection of brush, through the setting of brush and first drive assembly, the starter motor, the output shaft of motor drives half gear rotation, and half gear drives the rack and slides from top to bottom, and when half gear and rack engagement, half gear drives the rack and slides downwards, and when half gear and rack break away from, under the pulling of spring, upwards pulling the rack, so repeatedly, and then drive the brush and clean the dust on gas sensor surface that reciprocates from top to bottom, prevent that gas sensor from causing the detection deviation because the laying dust is too much.

In a possible design, the promotion subassembly is including rotating the second pivot of connecting at the shell inner wall, the fixed cover of outer wall of second pivot is equipped with the push rod, the one end rotation of push rod is connected with the gyro wheel, the gyro wheel uses with the bottom plate cooperation, the inner wall of shell is provided with the second drive assembly that is used for driving the push rod pivoted, through the cooperation use setting of second drive assembly and promotion subassembly, the output shaft of motor drives synchronizing wheel, hold-in range rotates, and then drive first gear and rotate with it meshed second gear, and then drive the push rod and rotate, can touch the bottom plate when the push rod rotates, and promote the bottom plate, the bottom plate rotates as the axle center with the dead lever, and open, the dust on the bottom plate is automatic to slide out this moment, after push rod breaks away from the bottom plate under the elasticity effect of torsional spring, and then closes the bottom of shell, so, need not unpack the shell just can clean the dust on the gas sensor and discharge the outside of shell, it is more convenient to use.

In a possible design, the second drive assembly is including rotating the first pivot of connecting at the shell inner wall, the outer wall of first pivot and the equal fixed cover of output shaft of motor are equipped with the synchronizing wheel, two the outer wall transmission cover of synchronizing wheel is equipped with same hold-in range, the fixed cover of outer wall of first pivot is equipped with first gear, the fixed cover of outer wall of second pivot is equipped with the second gear, second gear and first gear engagement, through the cooperation use setting of second drive assembly and pushing assembly, the output shaft of motor drives synchronizing wheel, hold-in range rotation, and then drives first gear rotation, first gear drives the second gear rotation of meshing with it, and then drives the push rod and rotate, can touch the bottom plate when the push rod rotates to promote the bottom plate, the bottom plate rotates as the axle center with the dead lever, and opens, and the dust on the bottom plate is automatic to slide out this moment, and the bottom plate is automatic reset under the elasticity effect of torsional spring, and then closes the bottom of shell, so, need not unpack just can clean the dust on the gas sensor with the shell and clean the outside of shell more convenient to use.

In one possible design, a fixed rod is fixedly connected between the two hinges, the top of the bottom plate and the inner wall on one side of the shell are fixedly connected with the same torsion spring, the torsion spring is sleeved on the fixed rod, and the torsion spring can drive the bottom plate to reset.

In one possible design, a hanging buckle is arranged on one side of the shell, so that the utility model can be conveniently hung on a wall for detection.

In one possible design, the top of the bottom plate is provided with a slope surface, so that dust can automatically slide down conveniently.

In one possible design, the display screen, the key, the flashing light, the charging port, the booster pump, the gas sensor, the alarm and the motor are all electrically connected with the storage battery.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.

The beneficial effects of the utility model are as follows:

according to the utility model, through the arrangement of the hairbrush and the first driving component, the motor is started, the output shaft of the motor drives the half gear to rotate, the half gear drives the rack to slide up and down, when the half gear is meshed with the rack, the half gear drives the rack to slide down, when the half gear is separated from the rack, the rack is pulled upwards under the tensile force of the spring, and the operation is repeated in such a way, so that the hairbrush is driven to clean dust on the surface of the gas sensor in an up-and-down reciprocating way, and the detection deviation of the gas sensor caused by excessive dust accumulation is prevented;

according to the utility model, through the matched use of the second driving component and the pushing component, the output shaft of the motor drives the synchronous wheel and the synchronous belt to rotate, so that the first gear is driven to rotate, the first gear drives the second gear meshed with the first gear to rotate, so that the push rod is driven to rotate, the push rod touches the bottom plate and pushes the bottom plate, the bottom plate rotates around the fixed rod as the axis and is opened, at the moment, dust on the bottom plate automatically slides out, and after the push rod is separated from the bottom plate, the bottom plate automatically resets under the action of the elasticity of the torsion spring, so that the bottom of the shell is closed, and therefore, the dust on the gas sensor can be cleaned and discharged outside the shell without disassembling the shell, and the use is more convenient;

according to the utility model, through the arrangement of the rollers, when the push rod pushes the bottom plate, the rollers can roll on the surface of the bottom plate, so that the push of the push rod is smoother;

according to the utility model, the slope is arranged above the bottom plate, so that dust can automatically slide down conveniently.

According to the utility model, the dust accumulation on the surface of the gas sensor can be cleaned without disassembling the shell, so that the detection deviation of the gas sensor caused by excessive dust accumulation is prevented, and the bottom plate at the bottom can be automatically opened after cleaning, so that dust falling on the bottom plate automatically slides to the outside of the shell, and the gas sensor is convenient and quick to use.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a first view angle of a carbon monoxide concentration detector for detecting occupational health according to an embodiment of the present utility model;

fig. 2 is a schematic diagram showing a cross-sectional structure of a housing of a carbon monoxide concentration detector for occupational health detection according to an embodiment of the present utility model;

fig. 3 is an enlarged schematic diagram of a portion a of a carbon monoxide concentration detector for occupational health detection according to an embodiment of the present utility model;

fig. 4 is a schematic diagram of a push rod structure of a carbon monoxide concentration detector for occupational health detection according to an embodiment of the present utility model;

fig. 5 is a schematic diagram of a bottom plate structure of a carbon monoxide concentration detector for occupational health detection according to an embodiment of the present utility model;

fig. 6 is a schematic view of a second perspective three-dimensional structure of a carbon monoxide concentration detector for occupational health detection according to an embodiment of the present utility model.

Reference numerals:

1. a housing; 2. a display screen; 3. a key; 4. a flashing light; 5. a charging port; 6. a booster pump; 7. an air inlet; 8. hanging buckle; 9. a storage battery; 10. a gas sensor; 11. an alarm; 12. a motor; 13. a half gear; 14. a rack; 15. a brush; 16. a spring; 17. a first rotating shaft; 18. a synchronizing wheel; 19. a synchronous belt; 20. a first gear; 21. a second rotating shaft; 22. a second gear; 23. a push rod; 24. a roller; 25. a bottom plate; 26. a fixed rod; 27. a torsion spring; 28. and an air outlet.

Detailed Description

Embodiments of the present utility model will be described below with reference to the accompanying drawings in the embodiments of the present utility model.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled" and "mounted" should be interpreted broadly, and for example, "coupled" may or may not be detachably coupled; may be directly connected or indirectly connected through an intermediate medium. In addition, "communication" may be direct communication or may be indirect communication through an intermediary. Wherein, "fixed" means that the relative positional relationship is not changed after being connected to each other. References to orientation terms, such as "inner", "outer", "top", "bottom", etc., in the embodiments of the present utility model are merely to refer to the orientation of the drawings and, therefore, the use of orientation terms is intended to better and more clearly illustrate and understand the embodiments of the present utility model, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the embodiments of the present utility model.

In embodiments of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

In the embodiment of the present utility model, "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the utility model. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.

Example 1

Referring to fig. 1-6, a carbon monoxide concentration detector, which comprises a housing 1, one side of shell 1 is provided with display screen 2, button 3 and flashing lamp 4, display screen 2, button 3 and flashing lamp 4 are vertical distribution, one side of shell 1 is provided with charge port 5, the top of shell 1 is provided with booster pump 6, the intake pipe of booster pump 6 is fixed to be linked together and is had air inlet 7, the outlet duct of booster pump 6 is fixed to be linked together with the inside of shell 1, the bottom of shell 1 is provided with gas outlet 28, the inside of shell 1 is provided with battery 9 and alarm 11, still include:

a gas sensor 10, the gas sensor 10 being provided inside the housing 1 and being used for detecting the concentration of carbon monoxide in the air;

a brush 15, the brush 15 being disposed inside the housing 1 and for removing dust deposited on the surface of the gas sensor 10, the housing 1 being provided inside with a first driving assembly for driving the brush 15 to reciprocate;

the bottom plate 25, the bottom plate 25 is connected in the bottom of shell 1 through two hinges rotation to be used for accepting the dust that brush 15 cleaned out, the inside of shell 1 is provided with the promotion subassembly that is used for promoting bottom plate 25 pivoted.

In the above technical scheme, the dust accumulation on the surface of the gas sensor 10 can be cleaned without disassembling the shell 1, so that the gas sensor 10 is prevented from detecting deviation due to excessive dust accumulation, and the bottom plate 25 at the bottom can be automatically opened after cleaning, so that dust falling on the bottom plate 25 automatically slides to the outside of the shell 1, and the cleaning device is convenient and quick to use.

Referring to fig. 2, the first driving assembly includes a motor 12 installed inside a housing 1, an output shaft of the motor 12 is fixedly connected with a half gear 13, an inner wall of the housing 1 is slidably connected with a rack 14, the rack 14 is meshed with the half gear 13, the same spring 16 is fixedly connected between the rack 14 and the inner wall of the housing 1, and the bottom of the rack 14 is fixedly connected with the top of a brush 15.

In the above technical scheme, through setting up of brush 15 and first drive assembly, start motor 12, motor 12's output shaft drives half gear 13 rotation, half gear 13 drives rack 14 and reciprocates, when half gear 13 and rack 14 meshing, half gear 13 drives rack 14 and slides downwards, when half gear 13 breaks away from with rack 14, under the pulling force of spring 16, upwards pull rack 14, so relapse, and then drive brush 15 and go on reciprocating up and down to clean the dust on gas sensor 10 surface, prevent gas sensor 10 because the laying dust too much causes the detection deviation.

Referring to fig. 2-4, the pushing assembly comprises a second rotating shaft 21 rotatably connected to the inner wall of the housing 1, a push rod 23 is fixedly sleeved on the outer wall of the second rotating shaft 21, one end of the push rod 23 is rotatably connected with a roller 24, the roller 24 is matched with the bottom plate 25 for use, and a second driving assembly for driving the push rod 23 to rotate is arranged on the inner wall of the housing 1.

In the above technical scheme, through the cooperation use setting of second drive assembly and pushing component, the output shaft of motor 12 drives synchronizing wheel 18, hold-in range 19 rotates, and then drive first gear 20 and rotate, first gear 20 drives the second gear 22 with it meshing, and then drive push rod 23 and rotate, can touch bottom plate 25 when push rod 23 rotates, and promote bottom plate 25, bottom plate 25 uses dead lever 26 as the axle center to rotate, and open, the dust on bottom plate 25 is automatic to slide out this moment, after push rod 23 breaks away from with bottom plate 25, bottom plate 25 is automatic to reset under the elasticity effect of torsional spring 27, and then close the bottom of shell 1, so, need not to unpack shell 1 just can clean the dust on the gas sensor 10 and discharge the outside of shell 1 with the dust, it is more convenient to use.

The application can be used for occupational health detection, and can also be used in other fields suitable for the application.

Example 2

Referring to fig. 1-6, a carbon monoxide concentration detector for occupational health detects, including shell 1, one side of shell 1 is provided with display screen 2, button 3 and flashing lamp 4, and display screen 2, button 3 and flashing lamp 4 are vertical distribution, and one side of shell 1 is provided with charge mouth 5, and the top of shell 1 is provided with booster pump 6, and the intake pipe of booster pump 6 is fixed to be linked together and is had air inlet 7, and the outlet duct of booster pump 6 is fixed to be linked together with the inside of shell 1, and the bottom of shell 1 is provided with gas outlet 28, and the inside of shell 1 is provided with battery 9 and alarm 11, still includes:

a gas sensor 10, the gas sensor 10 being provided inside the housing 1 and being used for detecting the concentration of carbon monoxide in the air;

a brush 15, the brush 15 being disposed inside the housing 1 and for removing dust deposited on the surface of the gas sensor 10, the housing 1 being provided inside with a first driving assembly for driving the brush 15 to reciprocate;

the bottom plate 25, the bottom plate 25 is connected in the bottom of shell 1 through two hinges rotation to be used for accepting the dust that brush 15 cleaned out, the inside of shell 1 is provided with the promotion subassembly that is used for promoting bottom plate 25 pivoted.

In the above technical scheme, the dust accumulation on the surface of the gas sensor 10 can be cleaned without disassembling the shell 1, so that the gas sensor 10 is prevented from detecting deviation due to excessive dust accumulation, and the bottom plate 25 at the bottom can be automatically opened after cleaning, so that dust falling on the bottom plate 25 automatically slides to the outside of the shell 1, and the cleaning device is convenient and quick to use.

Referring to fig. 2, the first driving assembly includes a motor 12 installed inside a housing 1, an output shaft of the motor 12 is fixedly connected with a half gear 13, an inner wall of the housing 1 is slidably connected with a rack 14, the rack 14 is meshed with the half gear 13, the same spring 16 is fixedly connected between the rack 14 and the inner wall of the housing 1, and the bottom of the rack 14 is fixedly connected with the top of a brush 15.

In the above technical scheme, through setting up of brush 15 and first drive assembly, start motor 12, motor 12's output shaft drives half gear 13 rotation, half gear 13 drives rack 14 and reciprocates, when half gear 13 and rack 14 meshing, half gear 13 drives rack 14 and slides downwards, when half gear 13 breaks away from with rack 14, under the pulling force of spring 16, upwards pull rack 14, so relapse, and then drive brush 15 and go on reciprocating up and down to clean the dust on gas sensor 10 surface, prevent gas sensor 10 because the laying dust too much causes the detection deviation.

Referring to fig. 2-4, the pushing assembly comprises a second rotating shaft 21 rotatably connected to the inner wall of the housing 1, a push rod 23 is fixedly sleeved on the outer wall of the second rotating shaft 21, one end of the push rod 23 is rotatably connected with a roller 24, the roller 24 is matched with the bottom plate 25 for use, and a second driving assembly for driving the push rod 23 to rotate is arranged on the inner wall of the housing 1.

In the above technical scheme, through the cooperation use setting of second drive assembly and pushing component, the output shaft of motor 12 drives synchronizing wheel 18, hold-in range 19 rotates, and then drive first gear 20 and rotate, first gear 20 drives the second gear 22 with it meshing, and then drive push rod 23 and rotate, can touch bottom plate 25 when push rod 23 rotates, and promote bottom plate 25, bottom plate 25 uses dead lever 26 as the axle center to rotate, and open, the dust on bottom plate 25 is automatic to slide out this moment, after push rod 23 breaks away from with bottom plate 25, bottom plate 25 is automatic to reset under the elasticity effect of torsional spring 27, and then close the bottom of shell 1, so, need not to unpack shell 1 just can clean the dust on the gas sensor 10 and discharge the outside of shell 1 with the dust, it is more convenient to use.

Referring to fig. 2-3, the second driving assembly includes a first rotating shaft 17 rotatably connected to the inner wall of the housing 1, synchronizing wheels 18 are fixedly sleeved on the outer wall of the first rotating shaft 17 and the output shaft of the motor 12, the same synchronizing belt 19 is sleeved on the outer wall transmission of the two synchronizing wheels 18, a first gear 20 is fixedly sleeved on the outer wall of the first rotating shaft 17, a second gear 22 is fixedly sleeved on the outer wall of the second rotating shaft 21, the second gear 22 is meshed with the first gear 20, and the diameter of the second gear 22 is larger than that of the first gear 20.

In the above technical scheme, through the cooperation use setting of second drive assembly and pushing component, the output shaft of motor 12 drives synchronizing wheel 18, hold-in range 19 rotates, and then drive first gear 20 and rotate, first gear 20 drives the second gear 22 with it meshing, and then drive push rod 23 and rotate, can touch bottom plate 25 when push rod 23 rotates, and promote bottom plate 25, bottom plate 25 uses dead lever 26 as the axle center to rotate, and open, the dust on bottom plate 25 is automatic to slide out this moment, after push rod 23 breaks away from with bottom plate 25, bottom plate 25 is automatic to reset under the elasticity effect of torsional spring 27, and then close the bottom of shell 1, so, need not to unpack shell 1 just can clean the dust on the gas sensor 10 and discharge the outside of shell 1 with the dust, it is more convenient to use.

Referring to fig. 2-3, a fixing rod 26 is fixedly connected between the two hinges, a torsion spring 27 is fixedly connected between the top of the bottom plate 25 and the inner wall of one side of the shell 1, the torsion spring 27 is sleeved on the fixing rod 26, and the torsion spring 27 can drive the bottom plate 25 to reset.

Referring to fig. 6, a hanging buckle 8 is provided on one side of the housing 1 to facilitate the detection of the present utility model hanging on a wall.

Referring to fig. 5, the top of the bottom plate 25 is provided with a slope surface, so that dust can automatically slide down.

In one possible design, the display 2, the key 3, the flashing light 4, the charging port 5, the booster pump 6, the gas sensor 10, the alarm 11, and the motor 12 are all electrically connected to the battery 9.

However, as well known to those skilled in the art, the operation principle and wiring method of the display screen 2, the key 3, the flashing light 4, the charging port 5, the booster pump 6, the storage battery 9, the gas sensor 10, the alarm 11, and the motor 12 are all common, and all belong to conventional means or common general knowledge, and are not described herein, so that those skilled in the art can perform any optional matching according to their needs or convenience, the gas sensor 10 is the same as in the patent with the publication number CN213398422U, the booster pump 6 is the same as in the patent with the publication number CN114674976 a, and the construction and mechanism thereof are not described herein.

The working principle and the using flow of the technical scheme are as follows: when the intelligent indoor air-conditioner is used, the shell 1 is hung in a working chamber which needs to detect the concentration of carbon monoxide through the hanging buckle 8 to detect, indoor air enters the inner cavity of the shell 1 through the air inlet 7, the air sensor 10 detects the air, when the detected concentration of the carbon monoxide exceeds the standard, the alarm 11 gives out alarm sound, the flashing lamp 4 flashes to remind people that the carbon monoxide in the air exceeds the standard at the moment, the people need to timely open windows for ventilation, and the people need to be evacuated outdoors;

after a long time, much dust is deposited inside the housing 1. At this time, the motor 12 can be started, the output shaft of the motor 12 drives the half gear 13 to rotate, the half gear 13 drives the rack 14 to slide up and down, when the half gear 13 is meshed with the rack 14, the half gear 13 drives the rack 14 to slide down, when the half gear 13 is separated from the rack 14, the rack 14 is pulled up by the pull force of the spring 16, the operation is repeated, and then the brush 15 is driven to reciprocate up and down to clean dust on the surface of the gas sensor 10, so that the gas sensor 10 is prevented from causing detection deviation due to excessive dust accumulation, the cleaned dust automatically falls above the bottom plate 25, meanwhile, the output shaft of the motor 12 drives the synchronous wheel 18 and the synchronous belt 19 to rotate, and then drives the first gear 20 to rotate, the first gear 20 drives the second gear 22 meshed with the synchronous wheel 18 to rotate, and then drives the push rod 23 to rotate, the push rod 23 contacts the bottom plate 25 to push the bottom plate 25, the bottom plate 25 is pushed by the rotation of the bottom plate 25, the bottom plate 25 rotates by taking the fixed rod 26 as the axis, and is opened, and then the dust on the bottom plate 25 automatically slides out of the bottom plate 25 under the action of the elasticity of the torsion spring 27, the bottom plate 25 automatically separates from the shell 1, and the bottom of the shell 1 is reset under the action of the spring 27, and the dust is further closed, and the shell 1 is not required to be cleaned, and the dust is more convenient to be discharged, and the shell 1 is more convenient to clean the dust can be discharged;

through the arrangement of the roller 24, when the push rod 23 pushes the bottom plate 25, the roller 24 can roll on the surface of the bottom plate 25, so that the push of the push rod 23 is smoother;

the slope is arranged above the bottom plate 25, so that dust can automatically slide down conveniently.

The present utility model is not limited to the above embodiments, and any person skilled in the art can easily think about the changes or substitutions within the technical scope of the present utility model, and the changes or substitutions are intended to be covered by the scope of the present utility model; embodiments of the utility model and features of the embodiments may be combined with each other without conflict. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (8)

1. The utility model provides a carbon monoxide concentration detector for occupational health detects, includes shell (1), one side of shell (1) is provided with display screen (2), button (3) and flashing lamp (4), display screen (2), button (3) and flashing lamp (4) are perpendicular distribution, one side of shell (1) is provided with charge mouth (5), the top of shell (1) is provided with booster pump (6), the intake pipe fixed intercommunication of booster pump (6) has air inlet (7), the outlet duct of booster pump (6) is fixed the intercommunication with the inside of shell (1), the bottom of shell (1) is provided with gas outlet (28), the inside of shell (1) is provided with battery (9) and alarm (11), its characterized in that still includes:

a gas sensor (10), wherein the gas sensor (10) is arranged inside the shell (1) and is used for detecting the concentration of carbon monoxide in the air;

the brush (15) is arranged in the shell (1) and is used for removing dust deposited on the surface of the gas sensor (10), and a first driving component used for driving the brush (15) to reciprocate is arranged in the shell (1);

the bottom plate (25), bottom plate (25) are connected in the bottom of shell (1) through two hinges rotation to be used for accepting the dust that brush (15) cleaned out, the inside of shell (1) is provided with and is used for promoting the pivoted promotion subassembly of bottom plate (25).

2. The carbon monoxide concentration detector for occupational health detection according to claim 1, wherein the first driving assembly comprises a motor (12) arranged inside a housing (1), an output shaft of the motor (12) is fixedly connected with a half gear (13), the inner wall of the housing (1) is slidably connected with a rack (14), the rack (14) is meshed with the half gear (13), the same spring (16) is fixedly connected between the rack (14) and the inner wall of the housing (1), and the bottom of the rack (14) is fixedly connected with the top of a brush (15).

3. The carbon monoxide concentration detector for occupational health detection according to claim 1, wherein the pushing assembly comprises a second rotating shaft (21) rotatably connected to the inner wall of the housing (1), a push rod (23) is fixedly sleeved on the outer wall of the second rotating shaft (21), one end of the push rod (23) is rotatably connected with a roller (24), the roller (24) is matched with the bottom plate (25), and a second driving assembly for driving the push rod (23) to rotate is arranged on the inner wall of the housing (1).

4. A carbon monoxide concentration detector for occupational health detection according to claim 3, wherein the second driving assembly comprises a first rotating shaft (17) rotatably connected to the inner wall of the casing (1), the outer wall of the first rotating shaft (17) and the output shaft of the motor (12) are fixedly sleeved with synchronous wheels (18), the outer wall transmission sleeves of the two synchronous wheels (18) are provided with the same synchronous belt (19), the outer wall fixing sleeve of the first rotating shaft (17) is provided with a first gear (20), the outer wall fixing sleeve of the second rotating shaft (21) is provided with a second gear (22), and the second gear (22) is meshed with the first gear (20).

5. The carbon monoxide concentration detector for occupational health detection according to claim 1, wherein a fixing rod (26) is fixedly connected between the two hinges, the same torsion spring (27) is fixedly connected between the top of the bottom plate (25) and the inner wall of one side of the shell (1), and the torsion spring (27) is sleeved on the fixing rod (26).

6. The carbon monoxide concentration detector for occupational health detection according to claim 1, wherein a hanging buckle (8) is provided on one side of the housing (1).

7. A carbon monoxide concentration detector for occupational health detection according to claim 1, wherein the top of the bottom plate (25) is provided as a slope.

8. The carbon monoxide concentration detector for occupational health detection according to claim 1, wherein the display screen (2), the key (3), the flashing lamp (4), the charging port (5), the booster pump (6), the gas sensor (10), the alarm (11) and the motor (12) are electrically connected with the storage battery (9).