CN113247739A - Elevator car wall structure - Google Patents
Elevator car wall structure Download PDFInfo
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- CN113247739A CN113247739A CN202110564420.2A CN202110564420A CN113247739A CN 113247739 A CN113247739 A CN 113247739A CN 202110564420 A CN202110564420 A CN 202110564420A CN 113247739 A CN113247739 A CN 113247739A
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- Prior art keywords
- car wall
- skirting
- sealing plate
- elevator car
- wall structure
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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
- B66B11/02—Cages, i.e. cars
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
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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
- B66B11/02—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
- B66B11/02—Cages, i.e. cars
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
- B66B11/0253—Fixation of wall panels
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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
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/162—Selection of materials
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention discloses an elevator car wall structure, wherein a skirting board comprises a skirting upper transverse surface and a skirting vertical surface which are connected together, and a car wall board comprises a car wall vertical surface and a car wall lower transverse folding surface; the lower cross folding surface of the car wall and the upper cross surface of the skirting are installed in a fitting manner; the lower end of the sealing plate is hermetically connected with the lower transverse folding surface of the car wall, and the upper end, the front end and the rear end of the sealing plate are hermetically connected with the vertical surface of the car wall, so that a silencing air channel is defined by the sealing plate, the vertical surface of the car wall and the lower transverse folding surface of the car wall; the front part of the sealing plate is provided with an air inlet, and the lower transverse folding surface of the car wall and the upper transverse surface of the skirting which are attached and installed together at the rear part of the sealing plate are provided with vent holes; the lower end of the vertical skirting surface of the skirting board is used for abutting against the bottom plate of the elevator car. The elevator car wall structure provided by the invention has the advantages that the ventilation area is ensured to be unchanged, the noise in the car is reduced, the overall outline size of the car wall structure of the car is not increased, the car wall structure of the elevator car is not interfered with other parts of the car, and meanwhile, an additional process is not needed in the installation process, so that the installation is convenient.
Description
Technical Field
The invention relates to an elevator car, in particular to an elevator car wall structure.
Background
Elevator car systems are based on standards related to elevator manufacturing and installation safety codes, wherein GB7588-2003 states that the upper and lower parts of the elevator car must be provided with ventilation openings, and that the effective area of both the upper and lower ventilation openings is no less than 1% of the effective area of the elevator car. Most elevator single wall car designs today are shown in fig. 1. The lift car is mainly divided into a car top, a car wall and a car bottom; because of the needs of draught area, when traditional car assembly, the sedan-chair wall leaves certain gap with sedan-chair top, sedan-chair bottom respectively in order to guarantee that draught area is enough. The great gap can cause the direct car that passes through of well noise transmission in the gap, leads to the car sound insulation not good, reduces the travelling comfort when the elevator takes.
Chinese patent document CN205990142U discloses an elevator car ventilation structure, wherein the top and bottom of the car wall are respectively provided with a connecting edge folded toward the back, the car wall cover plate covers the back of the car wall, the upper end of the car wall cover plate is lapped on the connecting edge at the top of the car wall, the lower end of the car wall cover plate is lapped on the connecting edge at the bottom of the car wall, the car wall cover plate and the car wall enclose a hollow space, and the soundproof cotton layer is arranged on the back of the car wall and is positioned between the car wall and the car wall cover plate. The soundproof cotton layer extends the laminating from top to bottom at the back of sedan-chair wall, and outer ventilation hole has been seted up to the centre of sedan-chair wall apron, forms between soundproof cotton layer and the sedan-chair wall apron to be linked together with outer ventilation hole and follow the gap of taking a breath of vertical direction extension from top to bottom. The top of the car wall is provided with an upper vent hole which is communicated with the inside of the elevator car and the ventilation gap, and the bottom of the car wall is provided with a lower vent hole which is communicated with the inside of the elevator car and the ventilation gap. The upper end on soundproof cotton layer and the connection limit portion at the top of sedan-chair wall have the gap that ventilates on having between the limit portion, have the gap that ventilates down between the lower extreme on soundproof cotton layer and the connection limit portion of the bottom of sedan-chair wall. After entering from the outer vent hole of the car wall cover plate 4, the airflow is divided into two airflows along the ventilation gap, wherein one airflow upwards passes through the upper ventilation gap between the soundproof cotton layer and the connecting edge part of the top part of the car wall along the ventilation gap and then enters the inside of the car through the upper vent hole; another air current is along the lower ventilation gap between the connection limit portion of the bottom of taking a breath gap downward process soundproof cotton layer and sedan-chair wall, again via the inside of lower vent entering car to make elevator car ventilation structure realize natural taking a breath. This elevator car ventilation structure needs to set up the last ventilation hole and the lower ventilation hole towards elevator car inboard at sedan-chair wall top and bottom, and the last ventilation hole and the lower ventilation hole towards elevator car inboard influence elevator car pleasing to the eye, need cover interior decoration sedan-chair wall in sedan-chair wall inboard and shelter from going up ventilation hole and lower ventilation hole, and is with high costs to can increase car weight or reduce the effective volume of car.
Disclosure of Invention
The invention aims to solve the technical problem of providing an elevator car wall structure, which can not increase the overall outline size of the elevator car wall structure and interfere with other parts of an elevator car while ensuring the ventilation area to be unchanged and reducing the noise in the elevator car, does not need an additional process in the installation process and is convenient to install.
In order to solve the technical problem, the elevator car wall structure provided by the invention comprises a car wall plate 1, a skirting board 2 and a sealing plate 3;
the skirting board 2 comprises a skirting upper transverse surface 21 and a skirting vertical surface 22 which are connected together;
the outer end of the upper skirting transverse plane 21 is connected with the upper end of the vertical skirting plane 22;
the car wall plate 1 comprises a car wall vertical surface 11 and a car wall lower transverse folding surface 12;
the inner end of the car wall lower transverse folding surface 12 is connected with the lower end of the car wall vertical surface 11;
the lower transverse folding surface 12 of the car wall is attached to the upper transverse surface 21 of the skirting;
the lower end of the sealing plate 3 is hermetically connected with the car wall lower transverse folding surface 12, and the upper end, the front end and the rear end of the sealing plate 3 are hermetically connected with the car wall vertical surface 11, so that a silencing air channel is defined by the sealing plate 3, the car wall vertical surface 11 and the car wall lower transverse folding surface 12;
an air inlet hole 51 is formed at the front part of the sealing plate 3;
the lower cross-folding surface 12 of the car wall and the upper cross surface 21 of the skirting, which are attached and installed together at the rear part of the closing plate 3, form a vent hole 52;
the lower end of the vertical skirting surface 22 of the skirting board 2 is used for abutting against the bottom plate of the elevator car.
Preferably, the closing plate 3 is provided with at least one acoustic cavity partition plate 8;
the sound cavity dividing sheet 8 is used for dividing the silencing air channel into a plurality of sub sound cavities and eliminating the sound cavity mode of 200-400Hz of the silencing air channel.
Preferably, the acoustic cavity divider 8 is movable up and down or back and forth on the closure plate.
Preferably, the sealing plate is provided with a guide positioning groove;
the acoustic cavity partition plate 8 is detachably fitted to a selected position of the guide positioning groove through a positioning rod.
Preferably, the sound absorption material 9 is adhered to the side surface of the air duct, which encloses the sealing plate 3 of the muffling air duct, the vertical surface 11 of the car wall or the lower transverse surface 12 of the car wall.
Preferably, the sound absorption material 9 is made of sound absorption cotton.
Preferably, the non-attaching surface of the sound absorbing material 9 is formed with sound absorbing wedges.
Preferably, the sound-absorbing wedge is triangular or conical in shape.
Preferably, the sound absorption materials 9 are arranged on two opposite sides of the silencing air duct, and the sound absorption wedges of the sound absorption materials 9 arranged on two opposite sides are staggered with each other.
Preferably, the section of the sealing plate 3 is in a shape like a Chinese character 'ji', and the sealing plate 3 is divided into a sealing plate upper transverse folding surface 31, a sealing plate vertical surface 32 and a sealing plate lower transverse folding surface 33;
the lower transverse folding surface 33 of the sealing plate is attached to the lower transverse folding surface 12 of the car wall, so that the lower transverse folding surface 33 of the sealing plate is hermetically connected with the lower transverse folding surface 12 of the car wall;
the upper transverse folding surface 31 and the vertical surface 32 of the sealing plate are hermetically connected with the vertical surface 11 of the car wall.
Preferably, the lower end of the sealing plate 3 is hermetically connected with the lower car wall transverse plane 12 by welding or bonding, and the upper end, the front end and the rear end are hermetically connected with the car wall vertical plane 11 by welding or bonding, so that a noise elimination air duct is defined by the sealing plate 3, the car wall vertical plane 11 and the car wall lower transverse plane 12.
Preferably, the upper skirting cross surface 21 of the skirting board 2 is used for buckling the interior buckle plate 6 with the bottom plate of the elevator car;
the vent holes 52 are formed on the lower transverse folding surface 12 of the car wall and the upper transverse surface 21 of the skirting which are attached together between the interior trim buckle 6 and the vertical surface 22 of the skirting.
Preferably, a gap of 0.1-2 mm is formed between the interior gusset plate 6 and the bottom plate of the elevator car.
Preferably, the cross section of the skirting board 2 is in a shape of "]", and the skirting board is divided into a skirting upper transverse plane 21, a skirting vertical plane 22 and a skirting lower transverse plane 23;
the lower skirting transverse surface 23 of the skirting board 2 is abutted against the bottom plate of the elevator car;
the interior trim buckle 6 is buckled between the upper transverse surface 21 of the skirting and the lower transverse surface 23 of the skirting;
a gap of 0.1 mm-2 mm is formed between the interior trim buckle 6 and the lower transverse surface 23 of the skirting.
Preferably, the minimum sectional area of the silencing air duct is not smaller than the effective area specified by the relevant national standard, industrial standard or international standard;
the total area of the air inlet holes 51 and the total area of the vent holes 52 are not smaller than the effective area specified by the relevant national standard, industry standard or international standard.
Preferably, there are a plurality of air inlet holes 51;
the vent hole 52 is plural in number.
Preferably, the air inlet 51 and the air outlet 52 are square holes or circular holes.
According to the elevator car wall structure, the car wall lower transverse folding surface 12 of the car wall plate 1 and the skirting upper transverse surface 21 of the skirting board 2 are attached and installed to eliminate gaps, the lower end of the sealing plate 3 is hermetically connected with the car wall lower transverse folding surface 12, the upper end, the front end and the rear end of the sealing plate 3 are hermetically connected with the car wall vertical surface 11, and therefore the sealing plate 3, the car wall vertical surface 11 and the car wall lower transverse folding surface 12 jointly form a noise elimination air duct. This elevator car sedan-chair wall structure, by shrouding 3, sedan-chair wall vertical plane 11, sedan-chair wall lower horizontal surface 12 encloses into a noise elimination wind channel jointly and replaces sedan-chair wall and the direct gap of baseboard, the air process fresh air inlet 51, the noise elimination passageway, ventilation hole 52 gets into the car, can not increase the whole profile size of car sedan-chair wall structure when guaranteeing that draught area is unchangeable, reducing the noise in the car, can not interfere with other parts of car, the installation does not need extra technology simultaneously, be convenient for install.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the present invention are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a conventional single-wall car structure and car gaps;
fig. 2 is a structural view of an embodiment of the wall structure of the elevator car of the present invention;
fig. 3 is a partial front-to-back cross-sectional view of one embodiment of the elevator car wall structure of the present invention;
fig. 4 is a partial inside-outside cross-sectional view of an embodiment of the elevator car wall structure of the present invention;
FIG. 5 is a schematic view of an acoustic cavity divider of an embodiment of an elevator car wall structure of the present invention;
fig. 6 is a schematic view of a sound absorbing material of an embodiment of the elevator car wall structure of the present invention.
The reference numbers in the figures illustrate:
1, a car wall plate; 11 car wall vertical plane; 12 car wall lower transverse folding surfaces; 2 skirting boards; 21 kicking the upper transverse surface; 22 skirting vertical surfaces; 23 skirting lower transverse plane; 3, closing the plate; 31 closing the upper transverse folding surface of the plate; 32 vertical faces of the seal plates; 33 sealing the lower transverse folding surface of the plate; 51 air inlet holes; 52 a vent hole; 8, dividing the sound cavity into pieces; 9 sound absorbing material; 6 inner decorative buckle.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
As shown in fig. 2, 3 and 4, the elevator car wall structure comprises a car wall plate 1, a skirting board 2 and a closing plate 3;
the skirting board 2 comprises a skirting upper transverse surface 21 and a skirting vertical surface 22 which are connected together;
the outer end of the upper skirting transverse plane 21 is connected with the upper end of the vertical skirting plane 22;
the car wall plate 1 comprises a car wall vertical surface 11 and a car wall lower transverse folding surface 12;
the inner end of the car wall lower transverse folding surface 12 is connected with the lower end of the car wall vertical surface 11;
the lower transverse folding surface 12 of the car wall is attached to the upper transverse surface 21 of the skirting;
the lower end of the sealing plate 3 is hermetically connected with the car wall lower transverse folding surface 12, and the upper end, the front end and the rear end of the sealing plate 3 are hermetically connected with the car wall vertical surface 11, so that a silencing air channel is defined by the sealing plate 3, the car wall vertical surface 11 and the car wall lower transverse folding surface 12;
an air inlet hole 51 is formed at the front part of the sealing plate 3;
the lower transverse folding surface 12 of the car wall and the upper transverse surface 21 of the skirting, which are attached and installed together at the rear part of the closing plate 3, form a vent hole 52;
the lower end of the vertical skirting surface 22 of the skirting board 2 is used for abutting against the bottom plate of the elevator car.
In the elevator car wall structure according to the first embodiment, the lower transverse folding surface 12 of the car wall plate 1 and the upper skirting transverse surface 21 of the skirting board 2 are attached to each other to eliminate gaps, the lower end of the sealing plate 3 is hermetically connected with the lower transverse folding surface 12 of the car wall, and the upper end, the front end and the rear end of the sealing plate 3 are hermetically connected with the vertical surface 11 of the car wall, so that the sealing plate 3, the vertical surface 11 of the car wall and the lower transverse folding surface 12 of the car wall jointly form a noise elimination air duct. This elevator car sedan-chair wall structure, by shrouding 3, sedan-chair wall vertical plane 11, sedan-chair wall lower horizontal surface 12 encloses into a noise elimination wind channel jointly and replaces sedan-chair wall and the direct gap of baseboard, the air process fresh air inlet 51, the noise elimination passageway, ventilation hole 52 gets into the car, can not increase the whole profile size of car sedan-chair wall structure when guaranteeing that draught area is unchangeable, reducing the noise in the car, can not interfere with other parts of car, the installation does not need extra technology simultaneously, be convenient for install.
Example two
Based on the first embodiment of the elevator car wall structure, at least one sound cavity partition sheet 8 is assembled on the sealing plate 3;
as shown in fig. 5, the sound cavity dividing sheet 8 is used for dividing the muffling air channel into a plurality of sub-sound cavities, and eliminating the sound cavity mode of 200-400Hz of the muffling air channel.
Preferably, the acoustic cavity dividing plate 8 can move up and down or back and forth on the sealing plate.
Preferably, the sealing plate is provided with a guide positioning groove;
the acoustic chamber partition pieces 8 are detachably fitted to selected positions of the guide positioning grooves through a positioning rod.
The cavity inside the muffling air channel can have a sound cavity mode related to the size at 200 Hz and 400Hz, and the main frequency of a hoistway noise source is about 300 Hz. Therefore, in order to avoid the resonance of the sound cavity, in the car wall structure of the elevator car of the embodiment, the sound cavity dividing sheet 8 is arranged on the sealing plate 3 to divide the silencing air channel into a plurality of sub-sound cavities, the modal frequency of the sound cavity of the silencing air channel is changed, the modal frequency of the sound cavity of 200 and 400Hz of the silencing air channel is eliminated, the frequency coincidence with a well noise source is avoided, well noise is prevented from directly entering the car, the sound insulation capability of the car is improved, the ventilation is ensured, the noise in the car can be reduced, and meanwhile, other silencing devices do not need to be added.
EXAMPLE III
Based on the elevator car wall structure of the first or second embodiment, the sound absorption material 9 is adhered to the side face of the air channel of the sealing plate 3, the car wall vertical face 11 or the car wall lower transverse face 12 which enclose the noise elimination air channel.
Preferably, the sound absorption material 9 is made of sound absorption cotton or other sound absorption materials.
And the third elevator car wall structure is implemented, and the silencing air channel has a silencing function while ventilating the car.
Example four
In the elevator car wall structure according to the third embodiment, as shown in fig. 6, sound absorbing wedges are formed on the non-adhesion surface of the sound absorbing material 9.
Preferably, the shape of the sound-absorbing wedge may be triangular or conical, the sound-absorbing wedge being as large as possible without affecting the ventilation area.
Better, arrange sound-absorbing material 9 in the relative both sides in noise elimination wind channel, sound-absorbing material 9's that relative both sides were arranged the wedge of inhaling sound crisscross each other to can guarantee that draught area does not receive the wedge design influence of inhaling sound, can improve the sound-absorbing capacity simultaneously.
Implement four elevator car sedan-chair wall structure, for improving the effect of inhaling the sound in the noise elimination wind channel, optimize the sound absorption material shape, inhale the sound wedge at the attached surface design of sound absorption material 9 non-, improve the sound effect of inhaling.
EXAMPLE five
Based on the first embodiment of the elevator car wall structure, the section of the sealing plate 3 is in a shape of a rectangle and is divided into a sealing plate upper transverse plane 31, a sealing plate vertical plane 32 and a sealing plate lower transverse plane 33;
the lower transverse folding surface 33 of the sealing plate is attached to the lower transverse folding surface 12 of the car wall, so that the lower transverse folding surface 33 of the sealing plate is hermetically connected with the lower transverse folding surface 12 of the car wall;
the upper transverse folding surface 31 and the vertical surface 32 of the sealing plate are hermetically connected with the vertical surface 11 of the car wall.
Preferably, the lower end of the sealing plate 3 is hermetically connected with the lower car wall transverse plane 12 by welding or bonding, and the upper end, the front end and the rear end are hermetically connected with the car wall vertical plane 11 by welding or bonding, so that a noise elimination air duct is defined by the sealing plate 3, the car wall vertical plane 11 and the car wall lower transverse plane 12.
EXAMPLE six
Based on the first implementation of the elevator car wall structure, an inner decorative buckle plate 6 is buckled between the upper skirting transverse surface 21 of the skirting board 2 and the elevator car bottom plate;
the vent holes 52 are formed on the lower transverse folding surface 12 of the car wall and the upper transverse surface 21 of the skirting which are attached together between the interior trim buckle 6 and the vertical surface 22 of the skirting.
Preferably, a gap of 0.1-2 mm is formed between the interior gusset plate 6 and the bottom plate of the elevator car.
EXAMPLE seven
Based on the first embodiment of the elevator car wall structure, the cross section of the skirting board 2 is in a shape of a cross section of a triangle, and the skirting board is divided into a skirting upper transverse plane 21, a skirting vertical plane 22 and a skirting lower transverse plane 23;
the lower skirting transverse surface 23 of the skirting board 2 is abutted against the bottom plate of the elevator car;
the interior trim buckle 6 is buckled between the upper transverse surface 21 of the skirting and the lower transverse surface 23 of the skirting;
a gap of 0.1 mm-2 mm is formed between the interior trim buckle 6 and the lower transverse surface 23 of the skirting.
Implement seven elevator car sedan-chair wall structures, air gets into the car through fresh air inlet 51, noise elimination passageway, ventilation hole 52, finally through interior trim buckle 6 and baseboard 2 gap, can not increase car profile size when guaranteeing that the draught area is unchangeable, avoids interfering with other parts.
Example eight
Based on the first implementation of the elevator car wall structure, the minimum sectional area of the silencing air channel is not less than the effective area specified by related standards (national standards, industrial standards or international standards);
the total area of the air inlet holes 51 and the total area of the vent holes 52 are not smaller than the effective area specified by the relevant standard (national standard, industry standard or international standard).
Preferably, there are a plurality of air inlet holes 51;
the vent hole 52 is plural in number.
Preferably, the air inlet 51 and the air outlet 52 can be any shape such as a square hole, a round hole, etc.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (17)
1. An elevator car wall structure is characterized by comprising a car wall plate (1), a skirting board (2) and a sealing plate (3);
the skirting board (2) comprises a skirting upper transverse surface (21) and a skirting vertical surface (22) which are connected together;
the outer end of the upper skirting transverse surface (21) is connected with the upper end of the vertical skirting surface (22);
the car wall plate (1) comprises a car wall vertical surface (11) and a car wall lower transverse folding surface (12);
the inner end of the car wall lower transverse folding surface (12) is connected with the lower end of the car wall vertical surface (11);
the lower cross folding surface (12) of the car wall is attached to the upper cross surface (21) of the skirting;
the lower end of the sealing plate (3) is hermetically connected with the lower car wall transverse surface (12), and the upper end, the front end and the rear end of the sealing plate are hermetically connected with the car wall vertical surface (11), so that a silencing air channel is defined by the sealing plate (3), the car wall vertical surface (11) and the car wall lower transverse surface (12);
an air inlet hole (51) is formed in the front of the sealing plate (3);
a ventilation hole (52) is formed on the car wall lower transverse folding surface (12) and the kick upper transverse surface (21) which are attached and installed together at the rear part of the sealing plate (3);
the lower end of a skirting vertical surface (22) of the skirting board (2) is used for abutting against the bottom plate of the elevator car.
2. The elevator car wall structure according to claim 1,
at least one acoustic cavity partition sheet (8) is assembled on the sealing plate (3);
the sound cavity dividing sheet (8) is used for dividing the silencing air channel into a plurality of sub sound cavities and eliminating the sound cavity mode of 200-400Hz of the silencing air channel.
3. The elevator car wall structure according to claim 1,
the acoustic cavity dividing sheet (8) can move up and down or back and forth on the sealing plate.
4. The elevator car wall structure according to claim 1,
the sealing plate is provided with a guide positioning groove;
the acoustic cavity partition plate (8) is detachably fitted to a selected position of the guide positioning groove through a positioning rod.
5. The elevator car wall structure according to claim 1,
and a sound absorption material (9) is adhered to the side surface of the air channel of the sealing plate (3), the vertical surface (11) or the lower transverse surface (12) of the car wall, which form the silencing air channel.
6. The elevator car wall structure according to claim 5,
the sound absorption material (9) adopts sound absorption cotton.
7. The elevator car wall structure according to claim 5,
and sound-absorbing wedges are formed on the non-attaching surface of the sound-absorbing material (9).
8. The elevator car wall structure according to claim 7,
the sound-absorbing wedge is triangular or conical in shape.
9. The elevator car wall structure according to claim 8,
sound absorption materials (9) are arranged on two opposite sides of the silencing air channel, and sound absorption wedges of the sound absorption materials (9) arranged on the two opposite sides are staggered with each other.
10. The elevator car wall structure according to claim 1,
the section of the sealing plate (3) is in a shape like a Chinese character 'ji', and the sealing plate is divided into a sealing plate upper transverse folding surface (31), a sealing plate vertical surface (32) and a sealing plate lower transverse folding surface (33);
the lower transverse folding surface (33) of the sealing plate is attached to the lower transverse folding surface (12) of the car wall, so that the lower transverse folding surface (33) of the sealing plate is hermetically connected with the lower transverse folding surface (12) of the car wall;
the upper transverse folding surface (31) and the vertical surface (32) of the sealing plate are hermetically connected with the vertical surface (11) of the car wall.
11. The elevator car wall structure according to claim 1,
the lower end of the sealing plate (3) is hermetically connected with the lower car wall transverse folding surface (12) in a welding or sticking way, and the upper end, the front end and the rear end are hermetically connected with the car wall vertical surface (11) in a welding or sticking way, so that a silencing air channel is defined by the sealing plate (3), the car wall vertical surface (11) and the lower car wall transverse folding surface (12) together.
12. The elevator car wall structure according to claim 1,
the upper skirting cross surface (21) of the skirting board (2) is used for being buckled with the interior trim buckle plate (6) between the bottom plate of the elevator car;
the vent holes (52) are formed on the car wall lower transverse folding surface (12) and the kick upper transverse surface (21) which are attached and installed together between the interior trim buckle plate (6) and the kick vertical surface (22).
13. The elevator car wall structure of claim 12,
a gap of 0.1-2 mm is formed between the interior gusset plate (6) and the bottom plate of the elevator car.
14. The elevator car wall structure according to claim 1,
the cross section of the skirting board (2) is in a shape like a Chinese character 'ji', and the skirting board is divided into a skirting upper transverse plane (21), a skirting vertical plane (22) and a skirting lower transverse plane (23);
the lower skirting cross surface (23) of the skirting board (2) is abutted against the bottom plate of the elevator car;
the interior trim buckle plate (6) is buckled between the upper transverse surface (21) of the skirting and the lower transverse surface (23) of the skirting;
a gap of 0.1 mm-2 mm is formed between the interior trim buckle plate (6) and the lower transverse surface (23) of the skirting.
15. The elevator car wall structure according to claim 1,
the minimum sectional area of the silencing air channel is not smaller than the effective area specified by related national standards, industrial standards or international standards;
the total area of the air inlet holes (51) and the total area of the vent holes (52) are not smaller than the effective area specified by related national standards, industry standards or international standards.
16. The elevator car wall structure according to claim 1,
a plurality of air inlet holes (51) are arranged;
the ventilation hole (52) is provided with a plurality of holes.
17. The elevator car wall structure according to claim 1,
the air inlet hole (51) and the air outlet hole (52) are square holes or round holes.
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| CN113247739B (en) | 2023-03-24 |
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