Ventilation structure of an elevator car

Abstract

The application provides a ventilation structure of an elevator car, which comprises an elevator car body, two air exhaust pipes are penetrated through the top of the elevator car body near the center, the top ends of the two air exhaust pipes are fixedly connected with a fan, air inlet pipes are inserted into the left and right sides of the fan, vertical plates are fixedly connected with the top of the inner cavity of the elevator car body near the left and right sides, fixed blocks are fixedly connected with the sides of the adjacent vertical plates, and top plates are fixedly connected with the bottoms of the adjacent vertical plates. Through the cooperation between the components, the device can efficiently and quickly disassemble, clean and replace the filter screen, thereby saving time and greatly reducing the labor of personnel. Moreover, the device has high stability after installation and cannot easily fall off, and the installation steps are more simple.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of elevator car, especially to the ventilation structure of elevator car. BACKGROUND

[0002] Elevator refers to the permanent transport equipment that serves for several specific floors in a building, and the car thereof runs in at least two columns of rigid tracks vertically to the horizontal plane or with an inclination angle to the plumb line less than fifteen degrees. There are also step type, and the step plate is continuously running on the track, commonly known as escalator or moving sidewalk.

[0003] Most of the existing ventilation grilles of elevator car are fixed on the top of the elevator car by screws, and when it is necessary to disassemble and clean or replace the grille, the staff needs to hold the tool over the head for a long time, which is easy to cause arm fatigue, time-consuming and laborious, and inconvenient to disassemble.

[0004] Therefore, it is necessary to provide the ventilation structure of elevator car to solve the above technical problems. SUMMARY

[0005] The present application provides the ventilation structure of elevator car, which solves the problem that most of the existing ventilation grilles of elevator car are fixed on the top of the elevator car by screws, and when it is necessary to disassemble and clean or replace the grille, the staff needs to hold the tool over the head for a long time, which is easy to cause arm fatigue, time-consuming and laborious, and inconvenient to disassemble.

[0006] In order to solve the above technical problems, the ventilation structure of the elevator car provided by the application comprises an elevator car body, two exhaust ducts are arranged through the top of the elevator car body near the center, and the top ends of the two exhaust ducts are fixedly connected with a fan, air inlet pipes are inserted into the left and right sides of the fan, vertical plates are fixedly connected to the top of the inner cavity of the elevator car body near the left and right sides, fixed blocks are fixedly connected to the sides of the adjacent vertical plates, top plates are fixedly connected to the bottoms of the adjacent vertical plates, lighting strips are fixedly connected to the bottoms of the top plates, rectangular openings are arranged in the centers of the top plates, first bearings are fixedly connected to the top of the inner cavity of the elevator car body near the left and right sides and the vertical plates, a first rotating rod is arranged through the inner cavities of the two first bearings, second bearings are fixedly connected to the bottom of the inner cavity of the elevator car body near the left and right sides and the adjacent vertical plates, third rotating rods are arranged through the inner cavities of the adjacent second bearings, a third bearing is fixedly connected to the top of the top plate, a second rotating rod is arranged through the inner cavity of the third bearing, first bevel gears are fixedly connected to the top end of the second rotating rod and the outer side edge of the adjacent third rotating rod, the first bevel gears are arranged in meshing mode, an adjusting bolt is fixedly connected to the bottom end of the second rotating rod, two first limiting holes are arranged in the bottom of the adjacent vertical plates, limiting strips are arranged in the inner cavities of the adjacent first limiting holes, the cross sections of the two limiting strips are in L-shaped arrangement, a first threaded sleeve is fixedly connected to the ends of the adjacent limiting strips, and the ends of the adjacent third rotating rods near the center of the elevator car body are inserted into the inner cavities of the adjacent first threaded sleeves and fixedly connected with threaded blocks.

[0007] Preferably, grooved wheels are fixedly arranged on the outer side edges of the third rotating rod and the first rotating rod, and a belt is arranged between the two adjacent grooved wheels.

[0008] Preferably, adjusting frames are fixedly connected to the ends of the adjacent first threaded sleeves near the center of the elevator car body, first blocks are fixedly connected to the bottoms of the adjacent adjusting frames, second limiting holes are arranged in the centers of the first blocks, and horizontal rods are arranged through the inner cavities of the second limiting holes.

[0009] Preferably, two third limiting holes are arranged in the top of the adjusting frame, second limiting rods are arranged in the inner cavities of the adjacent third limiting holes, a contact plate is fixedly connected to the top ends of the two second limiting rods, a positioning pressing plate is fixedly connected to the bottom ends of the two second limiting rods, and a plurality of springs are fixedly connected between the bottom of the contact plate and the adjacent adjusting frame.

[0010] Preferably, the adjusting frame is provided in a U-shaped cross section, two insertion grooves are formed at the bottom of the opening of the U-shaped adjusting frame, an insertion block is inserted into the inner cavity of each adjacent insertion groove, a side plate is fixedly connected to the top of each adjacent two insertion blocks, two filter screens are fixedly connected to the side of each adjacent side plate, an installation strip is fixedly connected to the side of each adjacent side plate, a pressing groove is formed at the top of the installation strip, a pressing strip is arranged in the inner cavity of each adjacent pressing groove, and the top of each adjacent pressing strip is fixedly connected to the bottom of each adjacent positioning pressing plate.

[0011] Preferably, the fourth bearing is fixedly connected to the side of each adjacent fixed block away from the elevator car body, the inner cavity of each adjacent fourth bearing penetrates a second threaded sleeve, the top of each adjacent second threaded sleeve is fixedly connected with a second bevel gear, and each adjacent two second bevel gears are arranged in meshing relationship.

[0012] Preferably, a screw rod is inserted into the inner cavity of the second threaded sleeve, the bottom of the screw rod is fixedly connected with a pressing block, the top of the pressing block is fixedly connected with a first limiting rod, and the bottom of each adjacent fixed block is provided with a fourth limiting hole, and each adjacent first limiting rod is inserted into the inner cavity of each adjacent fourth limiting hole.

[0013] Compared with the related art, the ventilation structure of the elevator car has the following beneficial effects:

[0014] The ventilation structure of the elevator car provided by the present application can efficiently and quickly disassemble, clean and replace the filter screen, saves time, greatly reduces the labor of personnel, and has high stability after installation and will not easily fall off, and the installation steps are more simple. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The structure diagram of the preferred embodiment of the ventilation structure of the elevator car provided by the present application is shown in the figure.

[0016] Figure 2 The structure diagram of the preferred embodiment of the ventilation structure of the elevator car provided by the present application is shown in the figure. Figure 1 The enlarged view of A in the figure.

[0017] Figure 3 The local three-dimensional display diagram of the installation strip and the side plate of the embodiment is shown in the figure.

[0018] The figure mark: 1, elevator car body; 2, fan; 3, air inlet pipe; 4, exhaust duct; 5, first rotating rod; 6, vertical plate; 7, first threaded sleeve; 8, threaded block; 9, grooved wheel; 10, second threaded sleeve; 11, second rotating rod; 12, third rotating rod; 13, adjusting bolt; 14, top plate; 15, lighting lamp strip; 16, cross bar; 17, screw rod; 18, plug-in block; 19, positioning pressing plate; 20, mounting strip; 21, filter screen; 22, adjusting frame; 23, fixed block; 24, contact plate; 25, pressing block; 26, side plate. DETAILED DESCRIPTION

[0019] The application will be further described below in conjunction with the drawings and embodiments.

[0020] Please refer to Figure 1 , Figure 2 and Figure 3 , wherein,

[0021] Figure 1 is the front view of the embodiment;

[0022] Figure 2 is Figure 1 the enlarged view of A in

[0023] Figure 3 is the partial perspective view of the mounting strip and side plate of the embodiment.

[0024] The ventilation structure of the elevator car comprises an elevator car body 1, two exhaust ducts 4 are penetrated through the top of the elevator car body 1 near the center, the top ends of the two exhaust ducts 4 are fixedly connected with a fan 2, the left and right sides of the fan 2 are respectively inserted with air inlet pipes 3, the inner cavity top of the elevator car body 1 is fixedly connected with vertical plates 6 near the left and right sides, the sides close to each other of adjacent vertical plates 6 are fixedly connected with fixed blocks 23, the sides away from the elevator car body 1 of adjacent fixed blocks 23 are fixedly connected with fourth bearings, the inner cavities of adjacent fourth bearings are penetrated through second threaded sleeves 10, the inner cavities of the second threaded sleeves 10 are inserted with screw rods 17, the bottom ends of the screw rods 17 are fixedly connected with pressing blocks 25, the top of the pressing blocks 25 is fixedly connected with first limiting rods, the bottom of adjacent fixed blocks 23 is provided with fourth limiting holes, adjacent first limiting rods are inserted into the inner cavities of adjacent fourth limiting holes, the top ends of adjacent second threaded sleeves 10 and adjacent first rotating rods 5 are fixedly connected with second bevel gears, the rotation of adjacent second bevel gears drives adjacent second threaded sleeves 10 to rotate, in combination with the limiting action of adjacent first limiting rods and adjacent fourth limiting holes, the second threaded sleeves 10 drive adjacent screw rods 17 and pressing blocks 25 to move up and down when rotating, the pressing blocks 25 can press the top of contact plates 24 to realize the positioning of side plates 26, when adjacent plug-in blocks 18 are inserted into the inner cavities of plug-in grooves and in combination with the pressing of the side plates 26 by positioning pressing plates 19, the installation firmness and stability of adjacent filter screens 21 are improved, and when being disassembled, repaired and cleaned, the operation is simple and the labor of personnel is small, adjacent second bevel gears are meshingly arranged, the bottoms of adjacent vertical plates 6 are fixedly connected with top plates 14, the bottom of the top plate 14 is fixedly connected with a lighting lamp strip 15, a rectangular opening is formed in the center of the top plate 14, the inner cavities of the left and right sides of the elevator car body 1 close to the top are fixedly connected with first bearings, the inner cavities of the two first bearings are penetrated through a first rotating rod 5, the inner cavities of the left and right sides of the elevator car body 1 close to the bottom and adjacent vertical plates 6 are fixedly connected with second bearings, the inner cavities of adjacent second bearings are penetrated through third rotating rods 12, the outer side edges of the third rotating rods 12 and the first rotating rod 5 are fixedly sleeved with grooved wheels 9, belts are arranged between adjacent two grooved wheels 9, the two grooved wheels 9 are drivingly connected through adjacent belts, the top of the top plate 14 is fixedly connected with a third bearing, the inner cavity of the third bearing is penetrated through a second rotating rod 11, the top end of the second rotating rod 11 and the outer side edges of adjacent third rotating rods 12 are fixedly connected with first bevel gears, adjacent two first bevel gears are meshingly arranged, the bottom end of the second rotating rod 11 is fixedly connected with an adjusting bolt 13, the setting of the adjusting bolt 13 avoids the situation that ordinary passengers cause misoperation, two first limiting holes are formed in the bottoms of adjacent vertical plates 6, and limiting strips are penetrated through the inner cavities of adjacent first limiting holes.The cross sections of the two limiting strips are L-shaped, and the L-shaped ends of the two adjacent limiting strips are fixedly connected with the first threaded sleeve 7, the adjusting frame 22 is driven to move left and right through the first threaded sleeve 7, the adjacent plug-in blocks 18 are away from the inner cavities of the adjacent plug-in slots through the left and right movement of the adjusting frame 22, and the filter screen 21 can be efficiently and quickly disassembled in this way, the replacement of the filter screen 21 is more convenient, the equipment operation synchronization is high, the ends of the two adjacent first threaded sleeves 7 close to the center of the elevator car body 1 are fixedly connected with the adjusting frame 22, the bottoms of the two adjacent adjusting frames 22 are fixedly connected with the first square block, the center of the first square block is provided with the second limiting hole, the inner cavity of the second limiting hole penetrates the cross rod 16, the top of the adjusting frame 22 is provided with the two third limiting holes, the inner cavities of the two adjacent third limiting holes penetrate the second limiting rod, the top of the two second limiting rods is fixedly connected with the contact plate 24, the bottom of the two second limiting rods is fixedly connected with the positioning pressing plate 19, the bottom of the contact plate 24 and the adjacent adjusting frame 22 are fixedly connected with the springs, the cross section of the adjusting frame 22 is U-shaped, the inner cavities of the U-shaped openings of the adjusting frame 22 are provided with the two plug-in slots, the inner cavities of the two adjacent plug-in slots are provided with the plug-in blocks 18, the top of the two adjacent plug-in blocks 18 is fixedly connected with the side plate 26, the side close to the adjacent side plate 26 is fixedly connected with the two filter screens 21, the side away from the adjacent side plate 26 is fixedly connected with the mounting strip 20, the top of the mounting strip 20 is provided with the pressing groove, the inner cavities of the two adjacent pressing grooves are abutted with the pressing strips, the top of the two adjacent pressing strips is fixedly connected with the bottom of the adjacent positioning pressing plate 19, and the ends close to the center of the elevator car body 1 of the two adjacent third rotating rods 12 are inserted into the inner cavities of the two adjacent first threaded sleeves 7 and fixedly connected with the threaded blocks 8.

[0025] The working principle of the ventilation structure of the elevator car provided by the application is as follows:

[0026] First, by manually inserting a specific key into the inner cavity of the adjacent adjusting bolt 13, the adjusting bolt 13 and the second rotating rod 11 are rotated by rotating, the adjacent first bevel gears are rotated by the rotation of the second rotating rod 11, and the third rotating rod 12 is rotated, the threaded block 8 is rotated in the inner cavity of the first threaded sleeve 7 by the third rotating rod 12, and the first threaded sleeve 7 is moved left and right by the interaction between the two limiting strips and the threads, the adjusting frame 22 is moved left and right by the first threaded sleeve 7, the adjacent plug-in blocks 18 are moved away from the inner cavity of the adjacent plug-in grooves by the left and right movement of the adjusting frame 22, and at the same time, the adjacent grooved wheels 9 are rotated by the rotation of the third rotating rod 12, the adjacent first rotating rods 5 are rotated by the transmission connection of the adjacent grooved wheels 9 and the belts, the adjacent second bevel gears are rotated by the rotation of the adjacent first rotating rods 5, the adjacent second threaded sleeves 10 are rotated by the rotation of the adjacent second bevel gears, the adjacent second threaded sleeves 10 are lifted and lowered by the adjacent first limiting rods and the adjacent fourth limiting holes, the adjacent screw rods 17 and the pressing blocks 25 are lifted and lowered by the rotation of the second threaded sleeves 10, the contact plates 24 and the adjacent second limiting rods are lifted and lowered by the lifting and lowering movement of the pressing blocks 25, and the contact plates 24 are positioned by the adjacent pressing blocks 25 at the top of the contact plates 24.

[0027] Compared with the related art, the ventilation structure of the elevator car provided by the application has the following beneficial effects:

[0028] Through the mutual cooperation between the components, the device can efficiently and quickly disassemble, clean and replace the filter screen 21, save time, greatly reduce the labor of personnel, and the device has high stability after installation and will not easily fall off, and the installation steps are more simple.

[0029] The above is only an embodiment of the application, and does not limit the patent scope of the application, and any equivalent structure or equivalent process transformation using the content of the specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection scope of the application.

Claims

1. Ventilation structure of an elevator car, comprising an elevator car body (1), characterized in that: The top of the elevator car body (1) is penetrated by two exhaust pipes (4) near the center, and the top ends of the two exhaust pipes (4) are fixedly connected with a fan (2), the left and right sides of the fan (2) are inserted with air inlet pipes (3), the top of the inner cavity of the elevator car body (1) is fixedly connected with vertical plates (6) near the left and right sides, the sides close to each other of adjacent vertical plates (6) are fixedly connected with fixed blocks (23), the bottoms of adjacent vertical plates (6) are fixedly connected with top plates (14), the bottoms of the top plates (14) are fixedly connected with lighting lamp strips (15), the center of the top plate (14) is provided with a rectangular opening, the left and right sides of the inner cavity of the elevator car body (1) are fixedly connected with first bearings near the top of the vertical plate (6), and the inner cavities of the two first bearings are penetrated by a first rotating rod (5), the left and right sides of the inner cavity of the elevator car body (1) are fixedly connected with second bearings near the bottom of the adjacent vertical plate (6), and the inner cavities of the adjacent second bearings are penetrated by third rotating rods (12), the top of the top plate (14) is fixedly connected with a third bearing, the inner cavity of the third bearing is penetrated by a second rotating rod (11), the top end of the second rotating rod (11) and the outer side edge of the adjacent third rotating rod (12) are fixedly connected with first bevel gears, and the adjacent two first bevel gears are meshingly arranged, the bottom end of the second rotating rod (11) is fixedly connected with an adjusting bolt (13), two first limiting holes are formed in the bottom of the adjacent vertical plate (6), and the inner cavities of the adjacent first limiting holes are penetrated by limiting strips, the cross sections of the two limiting strips are L-shaped, and the L-shaped ends of the adjacent two limiting strips close to each other are fixedly connected with first threaded sleeves (7), the ends of the adjacent third rotating rods (12) close to the center of the elevator car body (1) are inserted into the inner cavities of the adjacent first threaded sleeves (7) and fixedly connected with threaded blocks (8), the outer side edges of the third rotating rods (12) and the first rotating rod (5) are fixedly sleeved with grooved wheels (9), and a belt is arranged between the adjacent two grooved wheels (9), the two grooved wheels (9) are drivingly connected through the adjacent belt, the ends of the adjacent first threaded sleeves (7) close to the center of the elevator car body (1) are fixedly connected with adjusting frames (22), and the bottoms of the adjacent adjusting frames (22) are fixedly connected with first square blocks, a second limiting hole is formed in the center of the first square block, and the inner cavity of the second limiting hole is penetrated by a cross rod (16), two third limiting holes are formed in the top of the adjusting frame (22), the inner cavities of the adjacent third limiting holes are penetrated by second limiting rods, the top ends of the two second limiting rods are fixedly connected with a contact plate (24), the bottom ends of the two second limiting rods are fixedly connected with a positioning pressing plate (19), a plurality of springs are fixedly connected between the bottom of the contact plate (24) and the adjacent adjusting frame (22),The cross section of the adjusting frame (22) is U-shaped, two insertion grooves are arranged at the bottom of the opening cavity of the U-shaped adjusting frame (22), an insertion block (18) is inserted into the inner cavity of each adjacent insertion groove, a side plate (26) is arranged at the top of each adjacent two insertion blocks (18), two filter screens (21) are fixedly connected to the side of each adjacent two side plates (26) which are close to each other, an installation strip (20) is fixedly connected to the side of each adjacent two side plates (26) which are away from each other, a pressing groove is arranged at the top of the installation strip (20), a pressing strip is arranged in the inner cavity of each adjacent pressing groove, and the top of each adjacent pressing strip is fixedly connected to the bottom of an adjacent positioning pressing plate (19).

2. The ventilation structure of an elevator car according to claim 1, characterized in that, The fourth bearing is fixedly connected at the side away from the elevator car body (1) of the adjacent fixed block (23), the inner cavity of the adjacent fourth bearing is penetrated by the second threaded sleeve (10), the top end of the adjacent second threaded sleeve (10) is fixedly connected with the second bevel gear of the adjacent first rotating rod (5), and the two adjacent second bevel gears are meshed with each other.

3. The ventilation structure of an elevator car according to claim 2, characterized in that, The inner cavity of the second threaded sleeve (10) is inserted with a screw rod (17), the bottom end of the screw rod (17) is fixedly connected with a pressing block (25), the top of the pressing block (25) is fixedly connected with a first limiting rod, the bottom of the adjacent fixed block (23) is provided with a fourth limiting hole, and the adjacent first limiting rod is inserted into the inner cavity of the adjacent fourth limiting hole.

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