CN114857709B

CN114857709B - Elevator car with good ventilation

Info

Publication number: CN114857709B
Application number: CN202210575779.4A
Authority: CN
Inventors: 宋海浪; 徐广均; 丁德金
Original assignee: Jiangsu Founder Elevator Co ltd
Current assignee: Jiangsu Founder Elevator Co ltd
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2023-01-24
Anticipated expiration: 2042-05-24
Also published as: CN114857709A

Abstract

The invention discloses an elevator car with good ventilation, belonging to the field of elevator cars.

Description

Elevator car with good ventilation

Technical Field

The invention relates to the field of elevator cars, in particular to an elevator car with good ventilation.

Background

The lift car is a box-shaped space used for bearing and transporting personnel and materials, generally comprises main components such as a car bottom, a car wall, a car top, a car door and the like, is a car body component used for carrying passengers or goods and other loads by the lift, and a suspended ceiling is usually made of mirror surface stainless steel materials; the car bottom is a PVC marble floor with the thickness of 2mm or a marble parquet with the thickness of 20mm, the net height in the car is not less than 2m, the net height of a user in and out of the entrance of the car normally is not less than 2m, the concave and convex parts of the car are protected by an independent door or not, the maximum effective area of the car is calculated, and when the door is closed, any effective area of the entrance of the car is also calculated.

In the prior art, the elevator car generally adopts the side to exhaust air, and the exhaust effect of this mode is limited to this probably can make the peculiar smell gas in the elevator dwell time longer, influences passenger's the comfort of taking.

Disclosure of Invention

1. Technical problem to be solved

In order to solve the problems in the prior art, the invention aims to provide an elevator car with good ventilation, when the car body is used, air is introduced into the car body through a ventilation mechanism, then the air is humidified and sprayed out through an ultrasonic humidifier when the air is introduced into the ventilation mechanism, then the air is blown into a gas spraying mechanism through a gas guide fan and sprayed out through the gas spraying mechanism, finally the air in the car body is sucked through an exhaust pipe and discharged through an exhaust fan, and the circulation of the gas is completed.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The elevator car with good ventilation comprises a car body, wherein a ventilation mechanism is arranged at the upper end of the car body, a filtering mechanism is arranged in the ventilation mechanism, an air injection mechanism is arranged in the ventilation mechanism and extends into the car body, a fragrance diffusing mechanism is arranged in the air injection mechanism, two symmetrical exhaust pipes are chiseled on the inner wall of the car body, an exhaust fan is arranged at the lower end of the car body and is communicated with the exhaust fan, two symmetrical advertising boards are arranged in the car body and are positioned outside the exhaust pipes, when the car body is used, air is introduced into the car body through the ventilation mechanism, then when the ventilation mechanism introduces air, the air is humidified and sprayed through an ultrasonic humidifier and then blown into the air injection mechanism through the air injection fan and is sprayed out through the air injection mechanism, finally the air in the car body is sucked through the exhaust pipes and is discharged out through the exhaust fans, the circulation of the gas is completed, on one hand, the air is introduced into the car body and then is continuously replaced, so that the air in the car body is not replaced, the ventilation mechanism can maintain the fragrance diffusing effect of the car body, and the fragrance diffusing mechanism can be continuously replaced, and the fragrance diffusing mechanism can be introduced into the car body.

Furthermore, the ventilation mechanism comprises a fixing frame, a groove is formed in the upper end of the box body, the groove is communicated with the fixing frame, the fixing frame is located at the upper end of the box body, an air guide fan is installed in the groove, an ultrasonic humidifier is installed in the fixing frame and located at the upper end of the box body, a connecting pipe is fixedly connected in the groove, the connecting pipe is located on the lower side of the air guide fan and communicated with the ultrasonic humidifier, air above the box body is guided discontinuously through the air guide control fan and guided into the box body through the groove, air humidity can be increased through the ultrasonic humidifier when air is guided in, the air is sprayed out through the connecting pipe and mixed with the air, and finally the air is guided into the box body through the air guide fan.

Furthermore, filtering mechanism includes the frame, frame inner wall fixedly connected with prevents grey net, the frame is located the upper end of recess and is located the left side of ultrasonic humidifier, fixedly connected with filter block in the frame, the filter block is located the downside of preventing grey net, the filter block intussuseption is filled with the interbedded, carries out the prefilter through preventing grey net to the air that gets into in the recess, makes dust etc. to be stopped on preventing grey net, strengthens the filterable effect of purification to the air through filter block and interbedded combination afterwards, makes the air that gets into the recess be difficult for endangering the human body.

Furthermore, the air injection mechanism comprises a base, a spray nozzle is fixedly connected to the lower end of the base, the base is in threaded connection with the groove and extends into the bridge box body, a fixed plate is fixedly connected to the inner wall of the base and located on the upper side of the spray nozzle, a movable plate is slidably connected to the base and located on the upper side of the fixed plate, a plurality of compression springs are fixedly connected between the movable plate and the fixed plate, after the air is introduced into the air injection mechanism through the groove by the air guide fan, the air can be buffered through the movable plate and the fixed plate, so that the air is not prone to being excessively flushed out through the spray nozzle, and when entering the bridge box body, the air is slow, and the time for air to stay in the bridge box body is prolonged to a certain extent.

Further, the fragrance overflowing mechanism comprises a plurality of deformation sleeves, two symmetrical pull ropes are fixedly connected in each deformation sleeve, a ball bag is fixedly connected between the two pull ropes, the deformation sleeves are located between the fixed plate and the movable plate and are distributed in a staggered mode with the compression springs, two symmetrical connecting rods are fixedly connected to the outer end of the ball bag, one end, far away from the ball bag, of each connecting rod is fixedly connected with an overturning block, the upper end of the overturning block, located on the upper side, is fixedly connected with an extending rod, the extending rod is fixedly connected with the movable plate, a plurality of lavender pellets are arranged in each deformation sleeve and located on the outer side of the ball bag, a plurality of air scattering holes are formed in the outer end of each deformation sleeve in a chiseled mode, fragrance emitted by the lavender pellets in the deformation sleeves is mixed with air in the air injection mechanism to be injected into the bridge box body, the movable plate can be continuously subjected to vertical movement under the guidance of the air guide fans, the movable plate can drive the overturning blocks to overturn the lavender pellets, and accordingly the fragrance scattering effect of the lavender pellets is better.

Further, the connecting pipe surface is excavated there are a plurality of round holes, it has the thread groove to excavate in the recess, the thread groove is located the downside of connecting pipe, and it has the round hole to make the gas of ultrasonic humidifier mix with the gas of air guide fan guide to excavate through the excavation of connecting pipe surface, and it has the thread groove to make gas injection mechanism be convenient for change to excavate in the accessible recess.

Furthermore, the filter block is made of an inlet cotton fiber material, the inner interlayer is made of a rock material, and the air filtering effect is enhanced by utilizing the characteristics of small resistance, large dust capacity, light weight, stable performance, economy, environmental friendliness and the like of the inlet cotton fiber.

Further, fly leaf and fixed plate all adopt hollow out construction, compression spring initial state is compression state, makes fly leaf and fixed plate let the circulation that the air is more convenient through adopting hollow out construction, and is compression state through compression spring initial state, causes the effect of fly leaf activity from top to bottom better.

Furthermore, the turnover block is semi-annular, the deformation sleeve is made of rubber materials, and the turnover block has a better turnover effect on the lavender pellets when moving due to the semi-annular structure.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) When the bridge box body is used, air is guided into the bridge box body through the ventilation mechanism, then when the ventilation mechanism guides air, the air is humidified and sprayed out through the ultrasonic humidifier, then the air is blown into the air spraying mechanism through the air guide fan and is sprayed out through the air spraying mechanism, finally the air in the bridge box body is sucked in through the exhaust pipe and is discharged through the exhaust fan, and the circulation of the air is completed.

(2) The ventilation mechanism comprises a fixed frame, a groove is formed in the upper end of the box body, the groove is communicated with the fixed frame, the fixed frame is located at the upper end of the box body, an air guide fan is installed in the groove, an ultrasonic humidifier is installed in the fixed frame and located at the upper end of the box body, a connecting pipe is fixedly connected in the groove and located at the lower side of the air guide fan and communicated with the ultrasonic humidifier, intermittent guide is conducted on gas above the box body through the air guide fan, the air is guided into the box body through the groove, the humidity of the air can be increased through the ultrasonic humidifier when the air is guided into the box body, the air is sprayed out through the connecting pipe and mixed with the air, and finally the air is guided into the box body through the air guide fan.

(3) Filtering mechanism includes the frame, frame inner wall fixedly connected with prevents grey net, the frame is located the upper end of recess and is located the left side of ultrasonic humidifier, fixedly connected with filter block in the frame, the filter block is located the downside of preventing grey net, the filter block intussuseption is filled with the interlining, carry out the prefilter through preventing grey net to the air that gets into in the recess, make dust etc. stopped on preventing grey net, strengthen the filterable effect of purification to the air through filter block and the combination of interlining afterwards, the air that makes the entering recess is difficult for producing harm to the human body.

(4) Jet-propelled mechanism includes the base, base lower extreme fixedly connected with shower nozzle, it is originally internal that base and recess threaded connection extend to the railway carriage or compartment, base inner wall fixedly connected with fixed plate, the fixed plate is located the upside of shower nozzle, sliding connection has the fly leaf in the base, the fly leaf is located the upside of fixed plate, a plurality of compression spring of fixedly connected with between fly leaf and the fixed plate, back in the air guide fan passes through the leading-in jet-propelled mechanism of recess with gas, accessible fly leaf cushions gas with the fixed plate, make gaseous difficult excessive shower nozzle that passes through rush out, so that gaseous when getting into the railway carriage or compartment originally internally, it is comparatively slow, make the time of air detention at the railway carriage or compartment body can prolong to a certain extent.

(5) The fragrance overflowing mechanism comprises a plurality of deformation sleeves, two symmetrical pull ropes are fixedly connected in the deformation sleeves, a ball bag is fixedly connected between the two pull ropes, the deformation sleeves are positioned between a fixed plate and a movable plate and are distributed in a staggered mode with a compression spring, two symmetrical connecting rods are fixedly connected at the outer end of the ball bag, one end, far away from the ball bag, of each connecting rod is fixedly connected with an overturning block, an extending rod is fixedly connected at the upper end of the overturning block positioned on the upper side and is fixedly connected with the movable plate, a plurality of lavender pellets are arranged in the deformation sleeves and are positioned on the outer side of the ball bag, a plurality of air scattering holes are formed in the outer end of each deformation sleeve in a chiseling mode, fragrance emitted by the lavender pellets in the deformation sleeves is mixed with air in an air spraying mechanism to be sprayed into the bridge box body, the movable plate can continuously move up and down under the guidance of the discontinuity of an air guide fan, the ball bag is pushed to move in the deformation sleeves, the lavender overturning blocks can be driven by the movement of the ball bag to overturn, and the lavender pellets, and the fragrance overflowing effect of the lavender small pellets is better.

(6) The connecting pipe surface is chiseled and is had a plurality of round holes, and it has the thread groove to open in the recess, and the thread groove is located the downside of connecting pipe, and the chiseling through the connecting pipe surface has the round hole to make the gas of ultrasonic humidifier can mix with the gas of air guide fan guide, and it has the thread groove to make the jet-propelled mechanism be convenient for change to open in the accessible recess.

(7) The filter block is made of an inlet cotton fiber material, the inner interlayer is made of a rock material, and the air filtering effect is enhanced by utilizing the characteristics of small resistance, large dust capacity, light weight, stable performance, economy, environmental friendliness and the like of the inlet cotton fiber.

(8) The fly leaf all adopts hollow out construction with the fixed plate, and compression spring initial state is compression state, makes fly leaf and fixed plate circulate that the air is more convenient through adopting hollow out construction, and is compression state through compression spring initial state, causes the effect of fly leaf activity from top to bottom better.

(9) The turnover block is in a semi-annular shape, the deformation sleeve is made of rubber materials, and the turnover block has a better turnover effect on the lavender pellets when moving by adopting the semi-annular shape.

Drawings

FIG. 1 is a schematic view of the overall structure of the body of the axle box of the present invention;

FIG. 2 is a schematic cross-sectional view of the body of the axle of the present invention;

FIG. 3 is a schematic view of the ventilation mechanism of the present invention;

FIG. 4 is a schematic view of the filter mechanism of the present invention;

FIG. 5 is a schematic view of the air injection mechanism of the present invention;

fig. 6 is a schematic structural view of the fragrance diffusing mechanism of the present invention.

The reference numbers in the figures illustrate:

100 bridge box bodies, 200 ventilation mechanisms, 201 fixing frames, 202 grooves, 203 air guide fans, 204 ultrasonic humidifiers, 205 connecting pipes, 300 filtering mechanisms, 301 outer frames, 302 ash prevention nets, 303 filtering blocks, 304 inner interlayers, 400 air injection mechanisms, 401 bases, 402 spray heads, 403 fixing plates, 404 movable plates, 405 compression springs, 500 fragrance overflow mechanisms, 501 deformation sleeves, 502 pull ropes, 503 balloons, 504 connecting rods, 505 overturning blocks, 506 extending rods, 507 lavender small balls, 508 air dispersing holes, 600 exhaust pipes, 700 exhaust fans and 800 advertising boards.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "fitted/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-2, an elevator car with good ventilation includes a car body 100, a ventilation mechanism 200 is disposed at an upper end of the car body 100, a filtering mechanism 300 is disposed in the ventilation mechanism 200, a blowing mechanism 400 is disposed in the ventilation mechanism 200, the blowing mechanism 400 extends into the car body 100, a fragrance diffusing mechanism 500 is disposed in the blowing mechanism 400, two symmetrical exhaust pipes 600 are chiseled on an inner wall of the car body 100, an exhaust fan 700 is disposed at a lower end of the car body 100, both exhaust pipes 600 are communicated with the exhaust fan 700, two symmetrical advertisement boards 800 are disposed in the car body 100, and the advertisement boards 800 are disposed outside the exhaust pipes 600. In the present scheme, when the car body 100 is in use, air is introduced into the car body 100 through the ventilation mechanism 200, then when air is introduced into the ventilation mechanism 200, air is humidified and blown out through an ultrasonic humidifier 204, then blown into the blowing mechanism 400 through the air guide fan 203, the blowing mechanism 400 blows out, finally air in the car body 100 is sucked into the exhaust pipe 600 and exhausted through the exhaust fan 700, air is circulated, on the one hand, air is guided out through the ventilation mechanism 100, so that the air is not blown out, the ventilation mechanism 100, the fragrance diffusing effect of the car body 100 is not changed, on the other hand, the fragrance diffusing mechanism 100 can be changed, the fragrance diffusing effect of the car body 100 can be changed, and the fragrance diffusing mechanism 100 can be changed, and the fragrance diffusing effect of the car body 100 can be improved, and the car body 100 can be maintained, and the fragrance diffusing mechanism 100 can be maintained, and the car body 100 can be changed, and the fragrance diffusing effect of the car body 100 can be increased, and the car body 100 can be changed, and the fragrance diffusing mechanism 100 can be changed, and the car body 100 can be changed, and the fragrance diffusing effect of the car body 100.

Referring to fig. 3, the ventilation mechanism 200 includes a fixing frame 201, a groove 202 is cut at the upper end of the car body 100, the groove 202 is communicated with the fixing frame 201, the fixing frame 201 is located at the upper end of the car body 100, an air guide fan 203 is installed in the groove 202, an ultrasonic humidifier 204 is installed in the fixing frame 201, the ultrasonic humidifier 204 is located at the upper end of the car body 100, a connection pipe 205 is fixedly connected in the groove 202, the connection pipe 205 is located at the lower side of the air guide fan 203 and is communicated with the ultrasonic humidifier 204, the air above the car body 100 is guided intermittently by controlling the air guide fan 203 and is guided into the car body 100 through the groove 202, while the air is guided, the humidity of the air can be increased through the ultrasonic humidifier 204, the air is sprayed out through the connection pipe 205 and mixed with the air, and finally the air is guided into the car body 100 by the air guide fan 203.

Referring to fig. 4, the filtering mechanism 300 includes an outer frame 301, an ash-proof net 302 is fixedly connected to an inner wall of the outer frame 301, the outer frame 301 is located at an upper end of the groove 202 and is located at a left side of the ultrasonic humidifier 204, a filter block 303 is fixedly connected to the outer frame 301, the filter block 303 is located at a lower side of the ash-proof net 302, an inner interlayer 304 is filled in the filter block 303, air entering the groove 202 is primarily filtered through the ash-proof net 302, dust and the like are stopped on the ash-proof net 302, and then the air purifying and filtering effects are enhanced through a combination of the filter block 303 and the inner interlayer 304, so that the air entering the groove 202 is not easily harmful to a human body.

Referring to fig. 5, the air injection mechanism 400 includes a base 401, a nozzle 402 is fixedly connected to a lower end of the base 401, the base 401 is in threaded connection with the groove 202 and extends into the car body 100, a fixing plate 403 is fixedly connected to an inner wall of the base 401, the fixing plate 403 is located on an upper side of the nozzle 402, a movable plate 404 is slidably connected to the base 401, the movable plate 404 is located on an upper side of the fixing plate 403, a plurality of compression springs 405 are fixedly connected between the movable plate 404 and the fixing plate 403, after the air is introduced into the air injection mechanism 400 through the groove 202 by the air guide fan 203, the air can be buffered by the movable plate 404 and the fixing plate 403, so that the air is not easily and excessively flushed out through the nozzle 402, and thus when the air enters the car body 100, the air is relatively slow, and the time for the air to stay in the car body 100 is prolonged to a certain extent.

Referring to fig. 6, the fragrance diffusing mechanism 500 includes a plurality of deformation sleeves 501, two symmetrical pull ropes 502 are fixedly connected in the deformation sleeves 501, a balloon 503 is fixedly connected between the two pull ropes 502, the plurality of deformation sleeves 501 are located between the fixed plate 403 and the movable plate 404 and are distributed in a staggered manner with the compression spring 405, two symmetrical connecting rods 504 are fixedly connected to the outer ends of the balloon 503, a turnover block 505 is fixedly connected to one end of each connecting rod 504 away from the balloon 503, an extending rod 506 is fixedly connected to the upper end of the turnover block 505 located on the upper side, the extending rod 506 is fixedly connected with the movable plate 404, a plurality of lavender small balls 507 are arranged in the deformation sleeves 501, the lavender small balls 507 are located on the outer side of the balloon 503, a plurality of air diffusing holes 508 are drilled in the outer ends of the deformation sleeves 501, fragrance diffused by the lavender small balls 507 in the deformation sleeves 501 is mixed with air in the air injection mechanism 400 to be injected into the axle body 100, and the air guiding fan 203 intermittently leads the lavender small balls 404 to continuously move up and down, thereby pushing the balloon 503 to move in the deformation sleeves 501, and the balloon 503 can drive the turnover block 505 to diffuse the lavender small balls 507, and the fragrance of the lavender small balls 507 is better.

Referring to fig. 3 to 6, a plurality of circular holes are chiseled on the surface of the connection tube 205, a thread groove is chiseled in the groove 202, the thread groove is located at the lower side of the connection tube 205, the air of the ultrasonic humidifier 204 can be mixed with the air guided by the air guide fan 203 by the circular holes chiseled on the surface of the connection tube 205, and the air injection mechanism 400 can be easily replaced by the thread groove chiseled in the groove 202, the filter block 303 is made of an inlet cotton fiber material, the inner interlayer 304 is made of a rock material, the air filtering effect is enhanced by using the characteristics of small resistance, large dust capacity, light weight, stable performance, economy, environmental protection and the like of the inlet cotton fiber, the movable plate 404 and the fixed plate 403 both adopt a hollowed structure, the initial state of the compression spring 405 is a compressed state, the movable plate 404 and the fixed plate 403 can more conveniently circulate air by adopting the hollowed structure, the initial state of the compression spring 405 is a compressed state, the movable plate 404 and the fixed plate 403 can more conveniently circulate air, the movable up and down effect of the movable plate 404 is better by adopting the compression spring 405 in a semi-ring shape, the deformation sleeve 501 is made of a rubber material, and the semi-ring shape is adopted to make the turnover block 505 have a better turnover effect for turning over the small ball of lavender when the turnover sleeve 507 when the semi-ball.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. An elevator car with good ventilation, comprising a car body (100), characterized in that: the ventilating mechanism (200) is arranged at the upper end of the carriage body (100), the filtering mechanism (300) is arranged in the ventilating mechanism (200), the air injection mechanism (400) extends into the carriage body (100), the fragrance overflowing mechanism (500) is arranged in the air injection mechanism (400), two symmetrical exhaust pipes (600) are arranged on the inner wall of the carriage body (100), the exhaust fan (700) is arranged at the lower end of the carriage body (100), the two exhaust pipes (600) are communicated with the exhaust fan (700), two symmetrical advertising boards (800) are arranged in the carriage body (100), and the advertising boards (800) are positioned on the outer sides of the exhaust pipes (600);

the ventilation mechanism (200) comprises a fixed frame (201), a groove (202) is formed in the upper end of the bridge compartment body (100), the groove (202) is communicated with the fixed frame (201), the fixed frame (201) is located at the upper end of the bridge compartment body (100), an air guide fan (203) is installed in the groove (202), an ultrasonic humidifier (204) is installed in the fixed frame (201), the ultrasonic humidifier (204) is located at the upper end of the bridge compartment body (100), a connecting pipe (205) is fixedly connected in the groove (202), and the connecting pipe (205) is located on the lower side of the air guide fan (203) and is communicated with the ultrasonic humidifier (204);

the air injection mechanism (400) comprises a base (401), a spray head (402) is fixedly connected to the lower end of the base (401), the base (401) is in threaded connection with a groove (202) and extends into the axle box body (100), a fixing plate (403) is fixedly connected to the inner wall of the base (401), the fixing plate (403) is located on the upper side of the spray head (402), a movable plate (404) is slidably connected to the base (401), the movable plate (404) is located on the upper side of the fixing plate (403), and a plurality of compression springs (405) are fixedly connected between the movable plate (404) and the fixing plate (403);

the fragrance overflowing mechanism (500) comprises a plurality of deformation sleeves (501), two symmetrical pull ropes (502) are fixedly connected in the deformation sleeves (501), two balloon (503) are fixedly connected between the pull ropes (502), the deformation sleeves (501) are located between a fixing plate (403) and a movable plate (404) and are distributed with compression springs (405) in a staggered mode, two symmetrical connecting rods (504) are fixedly connected to the outer ends of the balloon (503), two overturning blocks (505) are fixedly connected to one ends, far away from the balloon (503), of the connecting rods (504), an extending rod (506) is fixedly connected to the upper end of the overturning block (505) and located on the upper side, the extending rod (506) is fixedly connected with the movable plate (404), a plurality of lavender small balls (507) are arranged in the deformation sleeves (501), the lavender small balls (507) are located on the outer side of the balloon (503), and a plurality of air scattering holes (508) are drilled in the outer ends of the deformation sleeves (501).

2. An elevator car with good ventilation according to claim 1, characterized in that: filtering mechanism (300) includes frame (301), frame (301) inner wall fixedly connected with prevents grey net (302), frame (301) are located the upper end of recess (202) and are located the left side of ultrasonic humidifier (204), fixedly connected with filter block (303) in frame (301), filter block (303) are located the downside of preventing grey net (302), filter block (303) intussuseption is filled with interbedded layer (304).

3. An elevator car with good ventilation according to claim 1, characterized in that: the connecting pipe (205) surface is dug and is had a plurality of round holes, it has the thread groove to dig in recess (202), the thread groove is located the downside of connecting pipe (205).

4. An elevator car with good ventilation according to claim 2, characterized in that: the filter block (303) is made of an imported cotton fiber material, and the inner interlayer (304) is made of a rock material.

5. An elevator car with good ventilation according to claim 1, characterized in that: the movable plate (404) and the fixed plate (403) both adopt hollow structures, and the initial state of the compression spring (405) is a compression state.

6. An elevator car with good ventilation according to claim 1, characterized in that: the turnover block (505) is in a semi-annular shape, and the deformation sleeve (501) is made of rubber materials.