CN111960223A - Noise-proof elevator device for hospital - Google Patents
Noise-proof elevator device for hospital Download PDFInfo
- Publication number
- CN111960223A CN111960223A CN202011011911.6A CN202011011911A CN111960223A CN 111960223 A CN111960223 A CN 111960223A CN 202011011911 A CN202011011911 A CN 202011011911A CN 111960223 A CN111960223 A CN 111960223A
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- wall
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- box
- groove
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- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
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- 238000004804 winding Methods 0.000 claims abstract description 8
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 230000009467 reduction Effects 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 50
- 238000009434 installation Methods 0.000 claims description 35
- 238000013016 damping Methods 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 6
- 230000035939 shock Effects 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims description 5
- 239000011358 absorbing material Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 12
- 239000000779 smoke Substances 0.000 description 10
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- 238000007906 compression Methods 0.000 description 2
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- 230000037431 insertion Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/0035—Arrangement of driving gear, e.g. location or support
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
- B66B11/024—Ventilation systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/30—Constructional features of doors or gates
- B66B13/308—Details of seals and joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/02—Guideways; Guides
- B66B7/023—Mounting means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B1/86—Sound-absorbing elements slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/941—Building elements specially adapted therefor
- E04B1/942—Building elements specially adapted therefor slab-shaped
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B2001/8263—Mounting of acoustical elements on supporting structure, e.g. framework or wall surface
- E04B2001/8281—Flat elements mounted parallel to a supporting surface with an acoustically active air gap between the elements and the mounting surface
Abstract
The invention discloses a noise-proof elevator device for hospitals, which comprises an outer wall body and an elevator shaft, wherein the elevator shaft is arranged in the outer wall body, a plurality of elevator mouths are formed in the side wall of one side of the outer wall body, two elevator doors are installed at each elevator mouth, a sleeve is fixed on the outer wall body above the elevator shaft, a steel cable penetrates through the sleeve, the upper end of the steel cable is fixedly connected to the surface of a winding drum, the winding drum is fixedly connected to the output end of a motor, and the lower end of the steel cable is fixedly connected with a lift car; outer wall body gets rid of the equal fixedly connected with noise control structure of other trilateral inside walls of elevator mouth place lateral wall, noise control structure includes: the noise reduction mechanism comprises a fireproof plate layer, a sound insulation plate layer, a sound absorption layer and an air layer. The invention can effectively reduce the noise of the elevator when in use.
Description
Technical Field
The present invention relates to an elevator apparatus.
Background
The elevator is mainly applied to high-rise buildings and is the most main vehicle in vertical connection. Hospitals are used as intensive-personnel facilities, and elevators are frequently used. Patients in sickrooms need good rest at night, and the physical and psychological health of the patients can be affected by noise generated when the elevator is used. It is therefore desirable to design elevators that are effective in noise protection. Meanwhile, since the personnel are dense, it is important to prevent a fire.
Disclosure of Invention
The invention aims to provide a noise-proof elevator device for a hospital, which can effectively reduce the noise of an elevator in use.
The technical scheme for realizing the purpose is as follows:
a noise-proof elevator device for hospitals comprises an outer wall body and an elevator shaft, wherein the elevator shaft is arranged inside the outer wall body, a plurality of elevator openings are formed in one side wall of the outer wall body, two elevator doors are mounted at each elevator opening, a sleeve is fixed on the outer wall body above the elevator shaft, a steel cable penetrates through the sleeve, the upper end of the steel cable is fixedly connected to the surface of a winding drum, the winding drum is fixedly connected to the output end of a motor, the motor is fixedly connected to the surface of a first fixing plate, the first fixing plate is fixedly connected to the outer wall of the top end of the outer wall body, a protection box is fixedly connected to the outer wall of the top end of the outer wall body, the motor is located inside the protection box, and the lower end of the steel cable is fixedly connected with a lift car;
outer wall body gets rid of the equal fixedly connected with noise control structure of other trilateral inside walls of elevator mouth place lateral wall, noise control structure includes: the noise reduction mechanism comprises a fireproof plate layer, a sound insulation plate layer, a sound absorption layer and an air layer, the fixing mechanism comprises a plurality of cross screws, a plurality of Z-shaped mounting brackets fixed in the sound absorption layer, a plurality of vibration isolation pads arranged in the air layer, a plurality of expansion screws, a supporting plate and a plurality of damping springs arranged in grooves of the fireproof plate layer,
the cross screws sequentially and vertically penetrate through the supporting plate, the fireproof plate layer and the sound insulation plate layer and are fixedly connected with the first ends of the corresponding mounting brackets;
the expansion screw penetrates through the second end corresponding to the mounting bracket and the vibration isolating pad and is fixedly connected with the inner side wall of the outer wall;
one end of the damping spring is fixedly connected with the supporting plate, and the other end of the damping spring is fixedly connected with the bottom of the groove of the fireproof plate layer;
the guide mechanism comprises a guide body, a guide rail and a plurality of hexagon bolts, the guide body is vertically fixed on the left side or the right side of the support plate through the hexagon bolts, and the guide body is provided with the guide rail along the vertical direction;
and a pair of first sliding blocks which are connected with the guide rail in a sliding manner are fixed on the three opposite side walls of the car and the three noise-proof structures.
According to the technical scheme, the noise can be effectively reduced through the design of the noise-proof structure, so that the patient can not be influenced to have a rest at night. Wherein, the setting of air bed, further the noise of isolation. And a certain distance is reserved for the installation of the noise reduction mechanism, so that the device is prevented from being damaged due to expansion with heat and contraction with cold, and the practicability of the device is effectively enhanced. Through the effect of installing support, cross screw and inflation screw, effective installation noise control structure effectively improves the packaging efficiency, saves installer's cost input, and then reinforcing device's result of use. Through the effect of vibration isolator and damping spring, use the vibrations that produce to the elevator and carry out the shock attenuation resistance to compression, effectively improve the device's protectiveness, strengthen its practicality.
Preferably, exhaust pipes are pre-embedded in the wall bodies of the outer wall bodies on the left side and the right side of the elevator opening, a plurality of air inlet pipes are fixedly connected to the exhaust pipes, each air inlet pipe penetrates through the noise-proof structure and is communicated with the inside of the outer wall body, the end part of the top end of the outer wall body is connected with a second fan through an installation mechanism, and the input end of the second fan is fixedly communicated with the top end of the exhaust pipe;
the mounting mechanism comprises a mounting seat, two pairs of second mounting grooves, two pairs of transverse rods, two pairs of second sliding blocks, two pairs of first springs, a mounting plate, two pairs of first mounting grooves, two pairs of vertical rods, two pairs of mounting blocks and two pairs of connecting plates, the mounting seat is fixedly connected to the top end of the outer wall body, the mounting seat is designed into a concave shape, the two pairs of second mounting grooves are symmetrically arranged on the four corners of the bottom wall of the mounting seat, the transverse rods are connected to the second mounting grooves respectively, the second sliding blocks are sleeved on the transverse rods, the first springs are connected between the second sliding blocks and the side walls of the corresponding second mounting grooves respectively, the first mounting grooves are arranged on the four corners of the two side walls of the mounting seat respectively, the vertical rods are fixedly connected to the first mounting grooves, the two ends of the mounting plate are movably sleeved on the corresponding vertical rods, and the second fan, two pairs of mounting blocks are symmetrically fixed to the bottom end of the mounting plate, and the mounting blocks are hinged to two ends of the corresponding connecting plate corresponding to the second sliding blocks.
According to the technical scheme, the air interaction is carried out with the outside through the structural design of the exhaust pipe and the like. Utilize the effort of two second springs, can play the cushioning effect to the mounting panel to can play the cushioning effect to the second fan, prevent that second fan during operation continuation and outer wall body from taking place the striking, guarantee the life of second fan, also reduced the noise simultaneously.
Preferably, the sound absorbing layer is filled with a sound absorbing material.
Preferably, the outer sides of the two elevator doors are provided with sealing mechanisms, and the sealing mechanisms are connected with the corresponding elevator doors through two connecting mechanisms;
the two connecting mechanisms respectively comprise a second fixing plate, a plurality of supporting columns, a plurality of limiting blocks and a plurality of second springs, the second fixing plates are fixedly connected to the outer sides of the two elevator doors, a plurality of supporting columns are fixedly connected to the opposite sides of the two second fixing plates, the limiting blocks are fixedly connected to the end parts, far away from the corresponding second fixing plates, of the supporting columns, the second springs are sleeved on the peripheries of the supporting columns, and one ends of the second springs are fixedly connected to the corresponding second fixing plates;
sealing mechanism includes first closing plate, second closing plate, lug, recess and sealed the pad, first closing plate and second closing plate are close to a plurality of second fixed blocks of the equal fixedly connected with in one side of lift-cabin door, and are a plurality of the second fixed block is all established on corresponding the pillar through the second through-hole cover, and is a plurality of the second fixed block all with correspond pillar sliding connection, and is a plurality of second fixed block one side all with correspond second spring end fixed connection, first closing plate and second opposite side are equipped with lug and recess respectively, the lug is corresponding with the recess, the sealed pad of recess inner wall fixedly connected with.
According to the technical scheme, the first sealing plate and the second sealing plate are tightly combined together, so that the gap between the two elevator doors can be well sealed, and in case of fire, dense smoke generated by fire in a building is prevented from entering the elevator well to threaten lives of people in the elevator car.
Preferably, one side of the first sealing plate and one side of the second sealing plate, which are close to the elevator doors, are fixedly connected with rubber blocks, the rubber blocks are respectively in close contact with the two elevator doors, and one side of the protruding block, which is close to the second sealing plate, is fixedly connected with a wave block.
According to the technical scheme, the sealing effect is further enhanced by the aid of the convex blocks, the sealing gaskets and the two rubber blocks.
Preferably, the top of the car is respectively embedded with an air inlet box and an air outlet box, the bottom of the air inlet box is provided with an air inlet hole, the bottom of the inner wall of the air inlet box is fixedly connected with an air inlet fan, the inner wall of the air inlet box is fixedly connected with a square ring, the top of the square ring is provided with a placing frame, the bottom of the placing frame is provided with a long groove, the inside of the placing frame is movably connected with a first filter element, the top of the first filter element is lapped with a first rubber pad, the top of the placing frame is lapped with the first rubber pad, the top of the first rubber pad is fixedly connected with a collecting box, one side of the surface of the collecting box, which is close to the air inlet box, is fixedly connected with a connecting strip, the top of the connecting strip is fixedly connected with a square box, the inner wall of the square box is movably connected with an insert block, the inner wall of the air inlet box is provided with a buckling groove, the, one end of the third spring, which is far away from the buckling groove, is fixedly connected with the inner wall of one side of the square box, which is close to the buckling groove, one end of the connecting rod, which is far away from the buckling groove, penetrates through the square box and is fixedly connected with the side face of the pulling block, one side of the surface of the collecting box, which is far away from the air inlet box, is provided with a clamping groove, one side of the surface of the collecting box, which is far away from the air inlet box, is lapped with a cover, the side face of the cover is provided with a through groove, the top of the inner wall of the through groove is provided with a threaded hole, the inner wall of the threaded hole is in threaded connection with a bolt, the bottom of the bolt is fixedly connected with a pressing sheet, the bottom of the pressing sheet is lapped with a clamping strip, the clamping strip is slidably connected with the inner wall of the through groove, the clamping, the filter cover is characterized in that a second filter element is arranged inside the filter cover, filter screens are arranged at the top and the bottom of the filter cover, the bottom of the filter cover is fixedly connected with an elastic sheet, a clamping hole is formed in the side face of the elastic sheet, a clamping block is fixedly connected to the side face of the air outlet box, and the clamping block is inserted into the inner wall of the clamping hole.
According to the technical scheme, the air in the lift car is effectively ventilated by utilizing the air inlet box and the air outlet box. Meanwhile, smoke is effectively filtered through the filter element. Utilize concrete structural design such as bolt, preforming, extension spring and card strip, reach the effect of convenient dismantlement. Through the structural design of connecting strip, square box, inserted block, draw piece and catching groove, the clearance is changed to the first filter core of collecting box and air inlet incasement portion to the convenience.
Preferably, the number of the clamping strips is two, and the two clamping strips are fixedly connected through a tension spring; the contact part of the surface of the clamping strip and the surface of the pressing sheet is in a slope shape, and one side of the surface of the pressing sheet, which is close to the clamping strip, is in an arc shape; the top of the cover is fixedly connected with an impingement plate which is sleeved on the surface of the bolt; the top of the square ring is fixedly connected with a second rubber pad, and the placing frame is lapped on the top of the second rubber pad; the inside of the air inlet box is fixedly connected with a support strip, and the connecting strip is lapped on the top of the support strip; the contact part of the bottom of the elastic sheet and the surface of the clamping block is arc-shaped; the top and the bottom of the filter cover are both provided with threaded grooves, the inner walls of the threaded grooves are in threaded connection with circular rings, and the filter screen is fixedly connected to the inner walls of the circular rings; a knob is embedded in the center of the filter screen; one side of the insertion block, which is close to the buckling groove, is an inclined plane, and the shape of the buckling groove is matched with that of the insertion block.
According to above-mentioned technical scheme, prevent through the protecting against the impingement plate that the large granule from causing the damage to the air inlet case. The second rubber pad seals the gap, and unfiltered air is prevented from entering the lift car from the gap. The supporting strip enables the collecting box to be stable and not to shake when being placed. The contact part of the surface of the insert block and the air inlet box is an inclined plane, so that the insert block is conveniently extruded into the square box. Through the rotary knob and the circular ring, the filter screen is more convenient to disassemble and install.
Drawings
Fig. 1 is a front sectional view of a noise-proof elevator apparatus for hospitals according to the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic view of the construction of the coupling mechanism of the present invention;
FIG. 4 is a schematic view of the construction of the first seal plate of the present invention;
FIG. 5 is a schematic view of the construction of a second seal plate according to the present invention;
fig. 6 is a schematic view of the structure of the car of the present invention;
FIG. 7 is a schematic view of the interior of the air inlet box of the present invention;
FIG. 8 is an enlarged view of the structure at position A in FIG. 7;
FIG. 9 is an enlarged view of the structure at position B in FIG. 7;
FIG. 10 is a schematic side sectional view of the air inlet box of the present invention;
FIG. 11 is a schematic view showing the internal structure of an outlet windbox in the present invention;
FIG. 12 is an enlarged view of the structure at position C of FIG. 11;
FIG. 13 is a schematic view of the mounting structure of the motor of the present invention;
fig. 14 is a structural view of a noise preventing structure in the present invention;
FIG. 15 is a structural view of a noise reducing mechanism of the present invention;
FIG. 16 is a structural view of a fixing mechanism in the present invention;
FIG. 17 is a structural view of a guide mechanism in the present invention;
FIG. 18 is a structural view of the mounting mechanism of the present invention.
Detailed Description
The invention will be further explained with reference to the drawings.
Referring to fig. 1 to 18, the noise-proof elevator device for hospitals of the present invention comprises an outer wall 22 and an elevator shaft 31, wherein the elevator shaft 31 is opened inside the outer wall 22, a plurality of elevator hatches 109 are opened on one side wall of the outer wall 22, two elevator doors 32 are installed at each elevator hatch 109, a sleeve 33 is fixed on the outer wall 22 above the elevator shaft 31, a steel cable 34 passes through the inside of the sleeve 33, the upper end of the steel cable 34 is fixedly connected to the surface of a winding drum 35, the winding drum 35 is fixedly connected to the output end of a motor 36, the motor 36 is fixedly connected to the surface of a first fixing plate 37, the first fixing plate 37 is fixedly connected to the outer wall at the top end of the outer wall 22, a protection box 38 is fixedly connected to the outer wall at the top end of the outer wall 22, the motor 36 is located inside the protection box 38, a car 39 is fixedly connected to the lower end of the wire rope 34. The motor 36 is powered by a power supply outside the building, and power lines, communication lines and the like are embedded in the outer wall 22 and are arranged in the elevator shaft 31, namely, the motor is prevented from being burnt out or damaged in a conventional elevator technical mode in the field.
The cross screw 3031 sequentially vertically penetrates through the support plate 3035, the fireproof board layer 3021 and the sound insulation board layer 3022, and is fixedly connected with the first end of the corresponding mounting bracket 3032; the expansion screw 3034 penetrates through the second end corresponding to the mounting bracket 3032 and the vibration isolation pad 3033 and is fixedly connected with the inner side wall of the outer wall 22; through the effect of installing support 3032, cross screw 3031 and expansion screw 3034, effectively install noise control structure, effectively improve the packaging efficiency, save installer's cost input, and then the result of use of reinforcing device.
One end of the shock absorption spring 3036 is fixedly connected with the support plate 3035, and the other end of the shock absorption spring 3036 is fixedly connected with the bottom of the groove of the fireproof board layer 3021. Through the effect of isolator 3033 and damping spring 3036, the resistance to compression is carried out in the shock attenuation to the vibrations that the elevator used to produce, effectively improves the protectiveness of the device, strengthens its practicality.
The guide mechanism 304 includes a guide body 3042, a guide rail 3041 and a plurality of hexagon bolts 3043, the guide body 3042 is vertically fixed on the left or right side of the support plate 3035 through each hexagon bolt 3043, and the guide body 3042 is provided with the guide rail 3041 along the vertical direction;
a pair of first sliding blocks slidably connected with the guide rail 3041 is fixed on each of three side walls of the car 39 opposite to the three noise prevention structures. So that the car 39 can smoothly slide.
the installation mechanism 105 comprises an installation seat 1052, two pairs of second installation grooves 1055, two pairs of cross bars 1057, two pairs of second sliding blocks 1056, two pairs of first springs 1054, an installation plate 10510, two pairs of first installation grooves 1051, two pairs of vertical bars 1053, two pairs of installation blocks 1059 and two pairs of connecting plates 1058, wherein the installation seat 1052 is fixedly connected to the top end of the outer wall 22, the installation seat 1052 is arranged in a concave shape, the two pairs of second installation grooves 1055 are symmetrically arranged on four corners of the bottom wall of the installation seat 1052, the cross bars 1057 are connected in the second installation grooves 1055, the second sliding blocks 1056 are sleeved on the cross bars 1057, the first springs 1054 are connected between the second sliding blocks 1056 and the side walls of the corresponding second installation grooves 1055, the first springs 1054 are respectively sleeved on the peripheries of the corresponding cross bars 1057, the first installation grooves 1051 are arranged on four corners of two side walls of the installation seat 1052, the vertical bars 1053 are, the equal movable sleeve in mounting panel 10510 both ends is established on corresponding montant 1053, second fan 104 fixed connection is in mounting panel 10510 upper end, mounting panel 10510 bottom symmetry is fixed with two pairs of installation pieces 1059, installation piece 1059 corresponds the both ends of connecting plate 1058 with corresponding the second slider 1056 is articulated. Second fan 104 can produce vibrations at the during operation, second fan 104 drives mounting panel 10510 and reciprocates, two connecting plates 1058 promote second slider 1056 and slide along corresponding horizontal pole 1057, and extrude first spring 1054, utilize the effort of two second springs 1074, can play the cushioning effect to mounting panel 10510, thereby can play the cushioning effect to second fan 104, prevent that second fan 104 during operation continuation and outer wall body 22 from taking place the striking, guarantee second fan 104's life, the noise has also been reduced simultaneously.
The sound absorbing layer 3023 is filled with a sound absorbing material such as inorganic fibers. Control switches for the motor 36, the intake fan 205, the exhaust fan 2028, and the like in the car 39 are provided in the car 39.
The outer sides of the two elevator doors 32 are provided with sealing mechanisms 106, and the sealing mechanisms 106 are connected with the corresponding elevator doors 32 through two connecting mechanisms 107.
The two connecting mechanisms 107 respectively comprise a second fixing plate 1071, a plurality of supporting columns 1073, a plurality of limiting blocks 1072 and a plurality of second springs 1074, the outer sides of the two elevator doors 32 are respectively and fixedly connected with the second fixing plate 1071, the opposite sides of the two second fixing plates 1071 are respectively and fixedly connected with the plurality of supporting columns 1073, the end parts of the ends, far away from the corresponding second fixing plates 1071, of the plurality of supporting columns 1073 are respectively and fixedly connected with the limiting blocks 1072, the peripheries of the plurality of supporting columns 1073 are respectively sleeved with the second springs 1074, and one ends of the plurality of second springs 1074 are respectively and fixedly connected to the corresponding second fixing;
the sealing mechanism 106 includes a first sealing plate 1062, a second sealing plate 1063, a protrusion 1061, a groove 1064 and a sealing gasket 1065, wherein the first sealing plate 1062 and the second sealing plate 1063 are fixedly connected to one side of the elevator door 32, the second fixing blocks 1011 are respectively sleeved on the corresponding pillars 1073 through second through holes 1012, the second fixing blocks 1011 are respectively slidably connected to the corresponding pillars 1073, and the second fixing blocks 1011 are respectively fixedly connected to one side of the second fixing blocks 1011 and the end of the corresponding second spring 1074, the first sealing plate 1062 and the second opposite side are respectively provided with the protrusion 1061 and the groove 1064, the protrusion 1061 corresponds to the groove 1064, and the inner wall of the groove 1064 is fixedly connected to the sealing gasket 1065. The gap between the two elevator doors 32 can be well sealed, and dense smoke generated by fire in a building is prevented from entering the elevator shaft to threaten lives of people in the elevator car.
Rubber blocks 1013 are fixedly connected to one sides of the first sealing plate 1062 and the second sealing plate 1063 close to the elevator doors 32, the two rubber blocks 1013 are respectively in close contact with the two elevator doors 32, and a wave block 1010 is fixedly connected to one side of the projection 1061 close to the second sealing plate 1063. Sealing strip devices are arranged between the upper end and the lower end of the rubber block 1013 and the outer wall 22, between the upper end and the lower end of the first sealing plate 1062 and the second sealing plate 1063 and the outer wall 22, and between the surface of the elevator door 32 and the outer wall 22, so that smoke is effectively prevented from entering the elevator. The sealing strip is easy to damage due to friction with the outer wall 22, and damage is found in regular maintenance and timely replaced.
When the two elevator doors 32 are closed, the two elevator doors 32 drive the first sealing plate 1062 and the second sealing plate 1063 to move towards each other, the protrusion 1061 is inserted into the groove 1064 at first and contacts with the sealing gasket 1065 on the inner wall of the groove 1064, the second springs 1074 are compressed by the first sealing plate 1062 and the second sealing plate 1063 to contract, the first sealing plate 1062 and the second sealing plate 1063 are tightly combined together by the acting force of the second springs 1074, and the gap between the two elevator doors 32 can be well sealed by matching the upper protrusion 1061, the sealing gasket 1065 and the two rubber blocks 1013, so that dense smoke generated by fire in the building is prevented from entering the elevator shaft to cause life threat to people in the elevator car. A small amount of dense smoke passing through the first sealing plate 1062 and the second sealing plate 1063 is also discharged out of the elevator shaft by the second fan 104 through the air inlet pipe 102 and the exhaust pipe 103, so that the dense smoke is further prevented from entering the elevator car, and safety is ensured.
An air inlet box 202 and an air outlet box 203 are respectively inlaid at the top of the car 39, so that the air inside the car 39 can be circularly updated, an air inlet hole 204 is formed in the bottom of the air inlet box 202, so that the outside air can enter the car 39 through the air inlet hole 204, an air inlet fan 205 is fixedly connected to the bottom of the inner wall of the air inlet box 202, the air inlet fan 205 operates to suck the air into the elevator, a square ring 206 is fixedly connected to the inner wall of the air inlet box 202, a placing frame 207 is arranged at the top of the square ring 206, a long groove 208 is formed in the bottom of the placing frame 207, a first filter element 209 is movably connected inside the placing frame 207 to filter the dust and the smoke, a first rubber pad 2010 is lapped at the top of the first filter element 209 to prevent the dust and the smoke from entering the car 39 from the side, the first rubber pad 2010 is lapped at the top of the placing, the dust collector is not shaken, the collecting box 2011 is fixedly connected at the top of the first rubber pad 2010, when the dust with large mass enters the air inlet box 202 and passes through the collecting box 2011, the dust falls into the bottom of the collecting box 2011, one side of the surface of the collecting box 2011, which is close to the air inlet box 202, is fixedly connected with the connecting strip 2012, the top of the connecting strip 2012 is fixedly connected with the square box 2013, the inner wall of the square box 2013 is movably connected with the insert 2014, the inner wall of the air inlet box 202 is provided with the catching groove 2015, the insert 2014 is inserted into the inner wall of the catching groove 2015, one side of the insert 2014, which is far away from the catching groove 2015, is fixedly connected with the third spring 2016 and the connecting rod 2017 respectively, one end of the third spring, which is far away from the catching groove 2015, is fixedly connected with the inner wall of the square box 2013, which is close to the catching groove 2015, one end of the connecting rod 2017, which is far away from the catching groove 2015, the top of air-inlet box 202 supports the inclined plane of inserted block 2014, makes inserted block 2014 slide to square box 2013 inner wall direction, and when reacing catching groove 2015 department, third spring 2016 kick-backs, inserts inserted block 2014 catching groove 2015, and box 2011 is collected in the locking, and pulling inserted block 2014 breaks away from catching groove 2015, can take out collection box 2011. A clamping groove 2019 is formed in the surface of the collection box 2011, which is far away from the air inlet box 202, a cover 2020 is lapped on the surface of the collection box 2011, a through groove 2021 is formed in the side face of the cover 2020, a threaded hole 2022 is formed in the top of the inner wall of the through groove 2021, a bolt 2023 is connected to the inner wall of the threaded hole 2022 in a threaded manner, a pressing sheet 2024 is fixedly connected to the bottom of the bolt 2023, a clamping strip 2025 is lapped on the bottom of the pressing sheet 2024, the clamping strip 2025 is slidably connected to the inner wall of the through groove 2021, the clamping strip 2025 is clamped to the inner wall of the clamping groove 2019, a tension spring 2026 is fixedly connected to the other end of the clamping strip 2025, the bolt 2023 is rotated counterclockwise, the bolt 2023 is lifted to drive the pressing sheet 2024 to be lifted, the pressing sheet 2024 is separated from the inclined plane of the clamping strip 2025, at this time, the two clamping strips. An exhaust hole 2027 is formed in the bottom of the air outlet box 203, an exhaust fan 2028 is fixedly connected to the bottom of the inner wall of the air outlet box 203, a filter cover 2029 is movably connected to the top of the air outlet box 203, a second filter element 2030 is arranged inside the filter cover 2029, filter screens 2031 are arranged at the top and the bottom of the filter cover 2029, an elastic sheet 2032 is fixedly connected to the bottom of the filter cover 2029, a clamping hole 2033 is formed in the side surface of the elastic sheet 2032, a clamping block 2034 is fixedly connected to the side surface of the air outlet box 203, and the clamping block 2034 is inserted into the inner wall of the clamping hole 2033. The filtering cover 29 can be pulled out upwards by pulling the elastic sheet 32 outwards and the clamping block 34 out of the clamping hole 33.
The number of the clamping strips 2025 is two, and the two clamping strips 2025 are fixedly connected through a tension spring 2026. When the tension spring 2026 releases the pressing sheet 2024 from the clamping strip 2025, the two clamping strips 2025 move towards each other to be separated from the clamping groove 2019. The contact part of the surface of the clamping strip 2025 and the surface of the pressing sheet 2024 is in a slope shape, and the side of the surface of the pressing sheet 2024 close to the clamping strip 2025 is in an arc shape, so that the clamping strip 2025 is pushed to move towards two sides when the pressing sheet 2024 moves downwards. The top of the cover 2020 is fixedly connected with a baffle 2035, and the baffle 2035 is sleeved on the surface of the bolt 2023. When the elevator ascends, the speed is high, and the air inlet box 202 is prevented from being damaged by larger particles. The top of the square ring 206 is fixedly connected with a second rubber pad 2036, the placing frame 207 is overlapped on the top of the second rubber pad 2036, the second rubber pad 2036 seals the gap, and unfiltered air is prevented from entering the car 39 from the gap. A supporting strip 2037 is fixedly connected inside the air inlet box 202, and the connecting strip 2012 is lapped on the top of the supporting strip 2037; the support bar 2037 stabilizes the collection box 2011 against shaking when placed. The bottom of the spring 2032 is arc-shaped and contacts the surface of the block 2034. When the filter cover 2029 is covered downwards, the bottom of the elastic piece 2032 is in arc-shaped contact with the surface of the clamping block 2034, so that the elastic piece 2032 is conveniently pushed to deform, the clamping block 2034 is clamped into the clamping hole 2033 more easily, and when the filter cover 2029 is opened, the arc at the bottom of the elastic piece 2032 enables a hand to break off the elastic piece 2032 easily, so that the clamping block 2034 is separated from the clamping hole 2033.
The top and the bottom of the filtering cover 2029 are both provided with a thread groove 2038, the inner wall of the thread groove 2038 is in threaded connection with a ring 2039, and the filter screen 2031 is fixedly connected to the inner wall of the ring 2039; the filter screen 2031 can be detached for cleaning. A knob 2040 is embedded in the center of the filter screen 2031; by rotating the knob 2040, the filter screen 2031 can be driven to rotate, so that the filter screen 2031 can be more conveniently disassembled and assembled.
One side that inserted block 2014 is close to catching groove 2015 is the inclined plane, the shape of catching groove 2015 and the shape looks adaptation of inserted block 2014. When the collecting box 2011 is placed downwards, the contact part of the surface of the insert 2014 and the air inlet box 202 is an inclined surface, so that the insert 2014 is conveniently extruded into the square box 2013.
When the air cleaner is used, the air inlet fan 205 and the air exhaust fan 2028 are opened simultaneously, the air inlet fan 205 sucks air into the car 39, impurities with large mass fall into the bottom of the collection box 2011 when the air cleaner passes through the collection box 2011, smoke and dust with small mass enter the air inlet box 202 and pass through the first filter element 209 to be filtered, the air in the car 2039 is exhausted out of the car 39 when the air exhaust fan 2028 rotates, so that the air in the car 39 flows circularly, the air cleaner is kept, when the air cleaner needs to be replaced and cleaned, the bolt 2023 rotates anticlockwise to drive the bolt 2023 to lift the pressing sheet 2024, the pressing sheet 2024 is separated from the inclined surface of the clamping strip 2025, at the moment, the tension spring 2026 pulls the two clamping strips 2025 to move oppositely to drive the clamping strips 2025 to be separated from the clamping groove 2019, the cover 2020 is opened, the pull block 2018 to drive the connecting rod 2017, the connecting rod 2017 drives the inserting block 2014 to be separated from the buckle groove 2015, the collection box 2011 is, when the collection box 2011 is put back, the collection box 2011 is placed downwards, the top of the air inlet box 202 abuts against the inclined surface of the insert 2014, the insert 2014 slides towards the inner wall of the square box 2013, when the insert 2014 reaches the buckling groove 2015, the third spring 2016 rebounds, the insert 2014 is inserted into the buckling groove 2015, the collection box 2011 is locked, the cover 2020 is covered, the bolt 2023 is rotated clockwise, the pressing sheet 2024 descends, the clamping strip 2025 is pushed to the inner wall of the clamping groove 2019, the cover 2020 is clamped, the elastic sheet 2032 is pulled outwards, the clamping block 2034 is separated from the clamping hole 2033, the filter cover 2029 can be pulled upwards, the filter cover 2029 is covered, the clamping block 2034 pushes the elastic sheet 2032 outwards until the clamping hole 2033 is formed, the clamping block 2034 is clamped into the clamping hole 2033, and the filter cover 2029 is fixed.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and therefore all equivalent technical solutions should also fall within the scope of the present invention, and should be defined by the claims.
Claims (7)
1. The noise-proof elevator device for the hospital is characterized by comprising an outer wall body (22) and an elevator shaft (31), wherein the elevator shaft (31) is arranged inside the outer wall body (22), a plurality of elevator mouths (109) are formed in one side wall of the outer wall body (22), two elevator doors (32) are installed at each elevator mouth (109), a sleeve (33) is fixed on the outer wall body (22) above the elevator shaft (31), a steel cable (34) penetrates through the inside of the sleeve (33), the upper end of the steel cable (34) is fixedly connected to the surface of a winding drum (35), the winding drum (35) is fixedly connected to the output end of a motor (36), the motor (36) is fixedly connected to the surface of a first fixing plate (37), and the first fixing plate (37) is fixedly connected to the outer wall of the top end of the outer wall body (22), a protection box (38) is fixedly connected to the outer wall of the top end of the outer wall body (22), the motor (36) is located inside the protection box (38), and the lower end of the steel cable (34) is fixedly connected with a lift car (39);
outer wall body (22) are got rid of the equal fixedly connected with noise control structure of other trilateral inside walls of elevator mouth (109) place lateral wall, noise control structure includes: the noise reduction mechanism (302), the fixing mechanism (303) and two guide mechanisms (304), the noise reduction mechanism (302) comprises a fireproof board layer (3021), a soundproof board layer (3022), a sound absorption layer (3023) and an air layer (3024), the fixing mechanism (303) comprises a plurality of cross screws (3031), a plurality of Z-shaped mounting brackets (3032) fixed in the sound absorption layer (3023), a plurality of vibration isolation pads (3033) arranged in the air layer (3024), a plurality of expansion screws (3034), a support plate (3035) and a plurality of shock absorption springs (3036) arranged in grooves of the fireproof board layer (3021),
the cross screw (3031) sequentially vertically penetrates through the support plate (3035), the fireproof board layer (3021) and the sound insulation board layer (3022) and is fixedly connected with the first end of the corresponding mounting bracket (3032);
the expansion screw (3034) penetrates through the second end corresponding to the mounting bracket (3032) and the vibration isolation pad (3033) and is fixedly connected with the inner side wall of the outer wall (22);
one end of the damping spring (3036) is fixedly connected with the support plate (3035), and the other end of the damping spring is fixedly connected with the bottom of the groove of the fireproof board layer (3021);
the guide mechanism (304) comprises a guide body (3042), a guide rail (3041) and a plurality of hexagon bolts (3043), wherein the guide body (3042) is vertically fixed on the left side or the right side of the support plate (3035) through the hexagon bolts (3043), and the guide rail (3041) is arranged on the guide body (3042) along the vertical direction;
and a pair of first sliding blocks which are connected with the guide rail (3041) in a sliding manner are fixed on the three side walls of the car (39) opposite to the three noise-proof structures.
2. The hospital noise-proof elevator device according to claim 1, wherein exhaust pipes (103) are embedded in the walls of the outer wall (22) on the left and right sides of the elevator entrance (109), a plurality of air inlet pipes (102) are fixedly connected to the exhaust pipes (103), each air inlet pipe (102) penetrates through the noise-proof structure and is communicated with the inside of the outer wall (22), a second fan (104) is connected to the top end of the outer wall (22) through a mounting mechanism (105), and the input end of the second fan (104) is fixedly communicated with the top end of the exhaust pipe (103);
the installation mechanism (105) comprises an installation seat (1052), two pairs of second installation grooves (1055), two pairs of cross rods (1057), two pairs of second sliding blocks (1056), two pairs of first springs (1054), an installation plate (10510), two pairs of first installation grooves (1051), two pairs of vertical rods (1053), two pairs of installation blocks (1059) and two pairs of connecting plates (1058), wherein the installation seat (1052) is fixedly connected to the top end of an outer wall (22), the installation seat (1052) is set to be in a concave shape, two pairs of second installation grooves (1055) are symmetrically arranged on four corners of the bottom wall of the installation seat (1052), the cross rods (1057) are connected in the second installation grooves (1055), the second sliding blocks (1056) are sleeved on the cross rods (1057), the first springs (1054) are connected between the second sliding blocks (1056) and the side walls of the corresponding second installation grooves (1055), and the first springs (1054) are sleeved on the peripheries of the corresponding cross rods (1057) respectively, all be equipped with first mounting groove (1051) on mount pad (1052) both sides wall four corners, equal fixedly connected with montant (1053) in first mounting groove (1051), the equal movable sleeve in mounting panel (10510) both ends is established on corresponding montant (1053), second fan (104) fixed connection is in mounting panel (10510) upper end, mounting panel (10510) bottom symmetry is fixed with two pairs of installation pieces (1059), installation piece (1059) and the articulated both ends that correspond connecting plate (1058) of corresponding second slider (1056).
3. The hospital noise prevention elevator device according to claim 1, wherein the sound absorbing layer (3023) is filled with a sound absorbing material.
4. The noise-proof elevator device for hospital use according to claim 1, characterized in that the outer sides of two of said elevator doors (32) are provided with sealing mechanisms (106), said sealing mechanisms (106) are connected with the corresponding elevator doors (32) by two connecting mechanisms (107);
the two connecting mechanisms (107) respectively comprise a second fixing plate (1071), a plurality of supporting columns (1073), a plurality of limiting blocks (1072) and a plurality of second springs (1074), the outer sides of the two elevator doors (32) are respectively and fixedly connected with the second fixing plate (1071), the opposite sides of the two second fixing plates (1071) are respectively and fixedly connected with the plurality of supporting columns (1073), the end parts of one ends, far away from the corresponding second fixing plates (1071), of the plurality of supporting columns (1073) are respectively and fixedly connected with the limiting blocks (1072), the peripheries of the plurality of supporting columns (1073) are respectively sleeved with the second springs (1074), and one ends of the plurality of second springs (1074) are respectively and fixedly connected onto the corresponding second fixing plates (1071);
the sealing mechanism (106) comprises a first sealing plate (1062), a second sealing plate (1063), a convex block (1061), a groove (1064) and a sealing gasket (1065), one sides of the first sealing plate (1062) and the second sealing plate (1063) close to the elevator door (32) are fixedly connected with a plurality of second fixing blocks (1011), the second fixing blocks (1011) are sleeved on the corresponding support columns (1073) through second through holes (1012), the second fixing blocks (1011) are slidably connected with the corresponding support columns (1073), one side of each of the second fixed blocks (1011) is fixedly connected with the end part of the corresponding second spring (1074), the first sealing plate (1062) and the second opposite side are respectively provided with a convex block (1061) and a groove (1064), the projection (1061) corresponds to the groove (1064), and a sealing gasket (1065) is fixedly connected to the inner wall of the groove (1064).
5. The hospital noise prevention elevator device according to claim 4, wherein the first sealing plate (1062) and the second sealing plate (1063) are fixedly connected with rubber blocks (1013) at a side close to the elevator doors (32), the two rubber blocks (1013) are respectively in close contact with the two elevator doors (32), and the wave blocks (1010) are fixedly connected with the projection (1061) at a side close to the second sealing plate (1063).
6. The hospital noise-proof elevator device according to claim 1, wherein an air inlet box (202) and an air outlet box (203) are respectively inlaid in the top of the car (39), an air inlet hole (204) is formed in the bottom of the air inlet box (202), an air inlet fan (205) is fixedly connected to the bottom of the inner wall of the air inlet box (202), a square ring (206) is fixedly connected to the inner wall of the air inlet box (202), a placing frame (207) is arranged on the top of the square ring (206), a long groove (208) is formed in the bottom of the placing frame (207), a first filter element (209) is movably connected to the inside of the placing frame (207), a first rubber pad (2010) is lapped on the top of the first filter element (209), the first rubber pad (2010) is lapped on the top of the placing frame (207), and a collecting box (2011) is fixedly connected to the top of the first rubber pad (2010), the utility model discloses a wind inlet box, including collect box (2011), one side fixedly connected with connecting strip (2012) that the box surface is close to air inlet box (202), the top fixedly connected with square box (2013) of connecting strip (2012), the inner wall swing joint of square box (2013) has inserted block (2014), catching groove (2015) have been seted up to the inner wall of air inlet box (202), inserted block (2014) are pegged graft at the inner wall of catching groove (2015), one side that catching groove (2015) were kept away from to inserted block (2014) is fixedly connected with third spring (2016) and connecting rod (2017) respectively, the one end that catching groove (2015) were kept away from to third spring (2016) runs through square box (2013) and with the side fixed connection of pulling block (2018) with square box (2013) the inner wall fixed connection that catching groove (2015) one side was close to connecting rod (2017), collect box (2011) one side that the box surface was kept away from air inlet box (202) and seted up draw groove (2019), a cover (2020) is lapped on one side of the surface of the collection box (2011) far away from the air inlet box (202), a through groove (2021) is formed in the side face of the cover (2020), a threaded hole (2022) is formed in the top of the inner wall of the through groove (2021), a bolt (2023) is in threaded connection with the inner wall of the threaded hole (2022), a pressing sheet (2024) is fixedly connected to the bottom of the bolt (2023), a clamping strip (2025) is lapped on the bottom of the pressing sheet (2024), the clamping strip (2025) is in sliding connection with the inner wall of the through groove (2021), the clamping strip (2025) is clamped on the inner wall of a clamping groove (2019), a tension spring (2026) is fixedly connected to the other end of the clamping strip (2025), an exhaust hole (2027) is formed in the bottom of the air outlet box (203), an exhaust fan (2028) is fixedly connected to the bottom of the inner wall of the air outlet box, the filter cover (2029) is internally provided with a second filter element (2030), the top and the bottom of the filter cover (2029) are both provided with a filter screen (2031), the bottom of the filter cover (2029) is fixedly connected with an elastic sheet (2032), a clamping hole (2033) is formed in the side surface of the elastic sheet (2032), a clamping block (2034) is fixedly connected to the side surface of the air outlet box (203), and the clamping block (2034) is inserted into the inner wall of the clamping hole (2033).
7. The noise-proof elevator device for hospitals according to claim 6, characterized in that the number of the clamping strips (2025) is two, and the two clamping strips (2025) are fixedly connected by a tension spring (2026); the contact part of the surface of the clamping strip (2025) and the surface of the pressing sheet (2024) is in a slope shape, and one side of the surface of the pressing sheet (2024) close to the clamping strip (2025) is in an arc shape; the top of the cover (2020) is fixedly connected with an impact prevention plate (2035), and the impact prevention plate (2035) is sleeved on the surface of the bolt (2023); the top of the square ring (206) is fixedly connected with a second rubber pad (2036), and the placing frame (207) is lapped on the top of the second rubber pad (2036); the inside of the air inlet box (202) is fixedly connected with a supporting strip (2037), and the connecting strip (2012) is lapped on the top of the supporting strip (2037); the contact part of the bottom of the elastic sheet (2032) and the surface of the clamping block (2034) is arc-shaped; the top and the bottom of the filtering cover (2029) are both provided with a thread groove (2038), the inner wall of the thread groove (2038) is in threaded connection with a circular ring (2039), and the filter screen (2031) is fixedly connected to the inner wall of the circular ring (2039); a knob (2040) is embedded in the center of the filter screen (2031); one side that inserted block (2014) are close to catching groove (2015) is the inclined plane, the shape of catching groove (2015) and the shape looks adaptation of inserted block (2014).
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