Multi-storey residential building installation elevator structure

Abstract

The present invention relates to a structure for installing an elevator in a multi-story residential building, which comprises a square steel pipe, a car, a counterweight and a power mechanism for lifting the car. The square steel pipe is fixedly arranged vertically close to the building wall, the car moves vertically with the square steel pipe as a guide rail, and the counterweight is arranged in the square steel pipe. The elevator provided by the present invention has a small overall volume and occupies a small space, making the later installation more flexible and convenient.

Description

Technical Field

[0001] The invention relates to an elevator, in particular to an elevator structure installed in a multi-story residential building. Background Art

[0002] At present, most of the early multi-story residential buildings in my country's cities and towns (generally referring to residential areas with six floors or less, most of which have two units in the east and west) do not have elevators, and stairs are the main access to and from multi-story residential buildings.

[0003] With the development of China's urbanization and population aging, a large proportion of the elderly live in multi-story residential buildings in cities and towns. The elderly have difficulty in moving around, and it is extremely inconvenient for those living on the second floor or above, especially on the fifth or sixth floor, to go up and down the stairs. They have great difficulties in shopping or moving items in their daily lives. In the event of illness or emergency treatment, medical staff also have great difficulties in transferring the elderly downstairs.

[0004] Due to the existence of the above problems, many cities in my country are renovating urban villages and old communities, improving supporting facilities, and encouraging the installation of elevators where conditions permit, so that residents can live more conveniently. Among them, the installation of elevators in multi-story residential buildings is a more prominent "pain point" and "difficulty". The specific problems include the following: 1. The initial installation cost and subsequent maintenance cost are high, and the owners are unwilling to accept the higher costs; 2. The owners of the first and second floors have almost zero use of the elevator, so the owners living on the first and second floors usually oppose the installation of elevators; 3. Since the design of the building structure does not reserve a shaft for installing the elevator, the later installation of the elevator occupies a large space, which usually leads to problems such as occupying the road, obstructing the pipeline, and affecting the lighting.

[0005] In the prior art, when installing an elevator structure behind a multi-story residential building, the existing elevator structure is often directly "grafted" onto the multi-story residential building, and a vertical shaft for installing the elevator is newly built in front of the building. Each floor of the shaft is connected to the building through a corridor bridge, which not only realizes the installation shaft of the elevator car and the counterweight, but also solves the problem of entering the building. However, its overall cost is too high, it occupies a large space, and it is not easy to implement. The weight of the corridor bridge is added to the building, which will increase the load-bearing capacity of the building and pose a considerable safety hazard. For example, the Chinese invention patent with patent number CN201821761837.8 discloses a prefabricated assembled shaft for installing an elevator in an existing multi-story residential building in cold regions, which is connected to the building through a corridor bridge. Summary of the invention

[0006] The technical problem to be solved by the present invention is to provide a structure for installing an elevator in a multi-story residential building which occupies a small space, has a low cost and is easy to use.

[0007] To solve the above problems, the technical solution adopted by the present invention is:

[0008] An elevator structure, characterized in that it comprises:

[0009] The square steel tube is fixed vertically close to the building wall;

[0010] A car, on which a guide wheel group is fixedly arranged, the guide wheel group embraces the square steel pipe, so that the car moves vertically with the square steel pipe as a guide rail; a car door is arranged on the side of the car close to the building wall, and the car door corresponds to the floor door arranged on the building wall;

[0011] A counterweight body is arranged in the square steel tube and moves vertically up and down in the square steel tube;

[0012] The power mechanism is used to drive the car to rise and fall vertically. It is fixed on the square steel pipe or the top of the building. The power mechanism connects the car and the counterweight through a steel cable.

[0013] As a further improvement of the present invention, a corner of the car close to the building wall is provided with an inner recess, the inner recess is matched with the square steel pipe, and the guide wheel group is arranged at the inner recess.

[0014] As a further improvement of the present invention, a support frame is provided on the top of the square steel pipe or the top of the building, the power mechanism is provided on the support frame, the power mechanism is a traction machine, a first pulley is provided on the top of the counterweight body, a second pulley and a third pulley are provided on the top of the car, one end of the steel cable is fixed to the top of the square steel pipe, and the other end passes around the first pulley and then passes upward through the traction wheel of the traction machine, and then passes downward through the second pulley and the third pulley in sequence and then is fixedly connected to the support frame upward.

[0015] As a further improvement of the present invention, the vertical projections of the first pulley, the second pulley and the third pulley relative to the horizontal plane are located on a straight line and are arranged along the diagonal line of the car.

[0016] As a further improvement of the present invention, the positions of the elevator car and the unit door of the building correspond, and the floor door is transformed from the original corridor floor window.

[0017] As a further improvement of the present invention, the floor doors, the car doors and the car body are all provided with glass windows.

[0018] As a further improvement of the present invention, the car door includes a first car door and a second car door which are staggered up and down, the first car door is located at the lower part, the second car door is located at the upper part, the first car door and the second car door can both be vertically lifted and lowered under the restriction of the guide device, a lifting mechanism is provided on the top of the car, the lifting mechanism is connected to the first car door through a steel belt, a lap joint corresponding to the first car door is provided on the top of the second car door, the first car door is lifted to its top and docked with the lap joint, and the second car door can be lifted together under the action of the first car door to open the car door.

[0019] As a further improvement of the present invention, the floor door comprises a first floor door and a second floor door which are staggered in upper and lower positions, the first floor door is located at the lower part, the second floor door is located at the upper part, the first floor door and the second floor door can both be lifted and lowered vertically under the restriction of the guide device, the top of the second floor door is provided with an overlap portion corresponding to the first floor door, the first floor door is lifted to its top and butted against the overlap portion, and the second floor door can be lifted together with the first floor door to open the floor door;

[0020] A support plate mechanism is arranged at the lower part of the first car door, and a support plate socket matched with the support plate mechanism is arranged on the first floor door. When the first car door is lifted, the support plate mechanism is activated and connected with the support plate socket, so that the first floor door is linked with the first car door.

[0021] As a further improvement of the present invention, the pallet mechanism includes a first pallet and a second pallet, the upper end of the second pallet is hinged to the first car door, the lower end of the second pallet is hinged to the upper end of the first pallet, and the lower end of the first pallet is connected to the steel belt of the lifting mechanism; a sliding limiting mechanism is arranged between the lower end of the first pallet and the first car door, and the lower end of the first pallet slides upward to push the second pallet to flip to a horizontal state and connect to the pallet socket.

[0022] As a further improvement of the present invention, a positioning pin anti-falling mechanism is provided on the car. After the car stops at a designated position, the positioning pin of the positioning pin anti-falling mechanism extends out and overlaps with the corresponding device fixedly arranged on the building wall.

[0023] As a further improvement of the present invention, a maintenance standby door is provided on a side of the car away from the building wall.

[0024] As a further improvement of the present invention, a reset tension spring is arranged between the lower end of the first supporting plate and the car.

[0025] As a further improvement of the present invention, a foundation pit is provided at the ground corresponding to the car, an elastic buffer body is provided in the foundation pit, and the foundation pit is covered with a steel plate.

[0026] As a further improvement of the present invention, the square steel pipe is fixedly connected to the building wall through a plurality of fixing seats, the fixing seat is welded to a corner of the square steel pipe, and the fixing seat is fixedly connected to the building wall through fixing bolts.

[0027] As a further improvement of the present invention, an anti-eccentric grinding wheel is provided at a corner of the counterweight body, and the anti-eccentric grinding wheel cooperates with the inner corner of the square steel tube.

[0028] As a further improvement of the present invention, an inspection hole is provided on the square steel pipe.

[0029] As a further improvement of the present invention, a fall arrester is provided between the car and the building.

[0030] The beneficial effects of adopting the above technical solution are:

[0031] The elevator structure for installing in a multi-story residential building provided by the present invention utilizes a square steel pipe fixedly installed close to the building wall as the force-bearing basis of the elevator device. The car is connected to the square steel pipe through a guide wheel group, and the square steel pipe is used as a guide rail for vertical lifting. At the same time, the interior of the square steel pipe serves as a shaft for installing and lifting a counterweight, and the power mechanism is fixedly installed on the top. The above structure enables the entire elevator device to be installed close to the building wall, and the overall volume of the elevator is small, and the space occupied is small, so that the later installation is more flexible and convenient.

[0032] The present invention eliminates the need for a separate newly built shaft for installing an elevator and a counterweight, greatly reducing the material cost and construction cost of installing an elevator. There is no need to set up a corridor bridge to connect with the door openings of each floor, which also saves related costs. The load-bearing burden on the building caused by the corridor bridge is also avoided, and the safety is higher.

[0033] Combining the above advantages, the elevator structure for installing a multi-story residential building provided by the present invention can well solve the various "pain points" and "difficulties" of installing an elevator in a multi-story residential building in the prior art, and has good market promotion prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0035] Figure 1 It is a schematic diagram of the top structure of the present invention.

[0036] Figure 2 yes Figure 1Schematic diagram of the partial structure of the Chinese steel pipe.

[0037] Figure 3 It is a schematic diagram of the connection structure between the power mechanism, the car and the counterweight.

[0038] Figure 4 It is a top view schematic diagram of the layout position of the pulley.

[0039] Figure 5 It is a side view structural diagram of the car door.

[0040] Figure 6 It is a side structural diagram of the car door lifting process.

[0041] Figure 7 It is a side view structural diagram of the car door in the open state.

[0042] Figure 8 It is a side view structural diagram of a floor door.

[0043] Fig. 9 It is a schematic diagram of the connection structure between the lifting mechanism and the first car door.

[0044] Fig.10 It is a partial structural schematic diagram of a support plate mechanism provided on the first car door.

[0045] Fig.11 It is a schematic diagram of the structure of the floor doors and foundation pits set on the building.

[0046] Fig.12 It is a schematic diagram of the retracted state of the positioning pin in the positioning pin anti-fall mechanism.

[0047] Fig.13 It is a schematic diagram of the extended state of the positioning pin in the positioning pin anti-fall mechanism.

[0048] Fig.14 It is a top view schematic diagram of the positioning pin in the positioning pin anti-fall mechanism in the extended state.

[0049] Among them: 1 car, 2 building wall, 3 floor door, 4 first floor door, 4-1 support plate plug hole, 5 second floor door, 5-1 overlap, 6 slide, 7 slide, 8 first car door, 8-1 support plate installation hole, 8-2 limit groove, 9 second car door, 9-1 overlap, 10 inner concave, 11 wheel group fixing frame, 12 square steel pipe, 13 counterweight, 14 fixed seat, 15 fixed plate, 16 support wheel, 17 fixing bolt, 18 anti-bias wear wheel, 19 traction wheel, 20 steel cable, 21 first pulley, 22 second pulley wheel, 23 the third pulley, 24 the supporting frame, 25 the inspection hole, 26 the anti-falling device, 27 the anti-falling steel cable, 28 the motor reducer, 29 the rope pulley, 30 the steel belt, 31 the support plate mechanism, 31-1 the first support plate, 31-2 the second support plate, 31-3 the limiting protrusion, 32 the reset spring, 33 the unit door, 34 the foundation pit, 35 the steel plate, 36 the elastic buffer body, 37 the positioning pin, 38 the guide sleeve, 39 the connecting rod, 40 the connecting long hole, 41 the rotating shaft, 42 the reset spring, 43 the pressure plate, 44 the maintenance spare door, 45 the traction machine. DETAILED DESCRIPTION

[0050] In order to make the objectives, technical solutions and advantages of the present invention clearer, the invention is clearly and completely described below in conjunction with specific embodiments. It should be understood that the terms "center", "vertical", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention.

[0051] Reference Figures 1 to 13 As shown, this embodiment provides a structure for installing an elevator in a multi-story residential building, which includes: a square steel pipe 12, a car 1, a counterweight 13 and a power mechanism for lifting the car.

[0052] like Figure 1 and Figure 2 As shown, the square steel tube 13 is vertically arranged and fixedly arranged close to the building wall 2. The square steel tube 13 is fixedly connected to the building wall 2 through a plurality of fixing seats 14. The fixing seat 14 is welded to a corner of the square steel tube 13, and the fixing seat 14 is fixedly connected to the building wall 2 through fixing bolts 17. The connecting length of the fixing seat 14 and the two side surfaces of the corner of the square steel tube 13 does not exceed half of the width of the side surface. The reserved width is to allow the square steel tube 12 to have four usable surfaces as the guide rail of the car, so that the corresponding structure of the car 1 can hold the square steel tube 12, and the car 1 can be fixed.

[0053] A guide wheel group is fixedly provided on the car 1, and the guide wheel group embraces the square steel pipe 12, so that the car 1 can be vertically lifted and lowered with the square steel pipe 12 as a guide rail.

[0054] like Figure 1 and 2 As shown, the corner of the car 1 close to the building wall 2 is provided with an inner recess 10, the inner recess 10 is adapted to the square steel tube 12, and the guide wheel group is arranged at the inner recess 10. There are at least two guide wheel groups, which are respectively arranged at the upper and lower parts of the inner recess 10, and the guide wheel group includes a wheel group fixing frame 11 fixedly connected to the car 1, and the wheel group fixing frame 11 has four plates, which respectively correspond to the four surfaces of the square steel tube 12, and a support wheel 16 is respectively arranged on the four plates of the wheel group fixing frame 11, and the support wheel 16 contacts the corresponding surface of the square steel tube 12. The guide wheel group cannot interfere with the fixing seat 14.

[0055] like Figure 1 As shown, the car 1 is provided with a car door on one side close to the building wall 2, and the car door corresponds to the floor door arranged on the building wall 2; the floor door is a floor door opening 3 opened on the building wall 2, and a corresponding floor door opening is arranged on each floor above the first floor. A floor door is arranged at the position of the floor door opening 3, and the floor door is adapted to the car door of the elevator car. When the car door is opened, the floor door is opened at the same time, and the elevator can be entered and exited. When the car door is closed, the floor door is closed at the same time, which plays a role of closing and shielding.

[0056] like Figure 2 As shown, the counterweight body 13 is arranged in the square steel tube 12 and runs vertically up and down in the square steel tube 12; the corners of the counterweight body 13 are provided with anti-eccentric grinding wheels 18, and the anti-eccentric grinding wheels 18 cooperate with the inner corners of the square steel tube 12. As a priority, a total of 8 anti-eccentric grinding wheels 18 are arranged at the four corners at the upper end and the four corners at the lower end of the counterweight body 13.

[0057] Since an inspection hole 25 needs to be opened on the square steel pipe 12, the inspection hole 25 is opened on its plane to avoid damaging the structural strength of the square steel pipe 12. The anti-eccentric grinding wheel 18 is set at the corner. When the counterweight moves up and down, the anti-eccentric grinding wheel 18 will not interfere with the inspection hole 25.

[0058] The power mechanism is a traction machine 45, which is used to drive the car 1 to rise and fall vertically. The traction machine 45 is fixedly arranged on the square steel pipe 12 or the top of the building. The power mechanism connects the car 1 and the counterweight 13 through a steel cable.

[0059] The above embodiment is based on a structural design of a square steel tube 12. As an equivalent form, two square steel tubes can be symmetrically arranged on the left and right sides of the car 1 as the support rails of the car and the running shaft of the counterweight. Similarly, the square steel tube 12 can also be replaced by a circular pipe, and the shape of the car and its guide wheel group can be adapted to the square steel tube.

[0060] like Figure 3 As shown, a support frame 24 is fixedly arranged on the top of the square steel tube 12 or the top of the building, and the support frame 24 is located directly above the car 1 to facilitate the connection of the steel cable 20. The power mechanism is arranged on the support frame 24, and the power mechanism is a traction machine 45. A first pulley 21 is arranged on the top of the counterweight body 13, and a second pulley 22 and a third pulley 23 are arranged on the top of the car 1. One end of the steel cable 20 is fixed on the square steel tube 12 or the top of the support frame 24, and the other end first extends downward to bypass the first pulley 21 and then upward to pass through the traction wheel 19 of the traction machine 45, and then the steel cable 20 passes downward through the second pulley 22 and the third pulley 23 in sequence and then upward to be fixedly connected to the support frame 24. The first pulley 21, the second pulley 22 and the third pulley 23 are all movable pulleys.

[0061] like Figure 4 As shown, the vertical projections of the first pulley 21, the second pulley 22 and the third pulley 23 relative to the horizontal plane are located in a straight line and are arranged along the diagonal line of the car 1, the purpose of which is to maintain the force balance of the car 1. The counterweight body 13 and the outer contour of the car 1 are considered as a whole, which is roughly a rectangle, and the counterweight body is located at a corner of the overall rectangle. Therefore, the position of the first pulley 21 set on the counterweight body 12 must be at the corner. In order to make the car 1 in a relatively balanced state under the suspension of the steel cable 20, the second pulley and the third pulley on the car 1 should be on the center line of the top surface of the car. Due to the constraint of the position of the first pulley 21, the vertical projections of the three pulleys relative to the horizontal plane are located in a straight line and are arranged along the diagonal line of the car 1.

[0062] In the existing multi-storey residential buildings, a unit door is provided at the bottom of the front side. After entering through the unit door, there is a building. Along the building upward, there are windows between each floor for ventilation and lighting of the corridor. In order not to destroy the wall structure of the existing building and to make the best use of the public space, in this embodiment, the position of the car 1 corresponds to the unit door 33 of the building, and the floor door is transformed from the original corridor interlayer window. Since the car door faces the building wall 2, the car cannot be parked on the ground floor when not in use, so as to avoid blocking the unit door 33 and affecting people's access. When people on the first floor need to take the elevator upward, they first enter the unit door, and then call the elevator through the control panel, and the elevator car can only run to the ground floor of the first floor.

[0063] Another design advantage of this embodiment is that the floor door, car door and car body are all provided with glass windows. Since the floor door is modified from the original corridor inter-layer window, in order not to affect the lighting of the corridor, glass needs to be provided on the floor door for lighting. Similarly, since the car 1 itself will also affect the lighting of the floor where it stops, glass windows are provided on the car door and car body. The material and structure of the glass window have sufficient strength to ensure safety.

[0064] like Figure 1 , Figure 5 , Figure 6 and Figure 7 As shown, the car door comprises a first car door 8 and a second car door 8 which are staggered up and down, the first car door 8 is located at the lower part, and the second car door 9 is located at the upper part, and the first car door 8 and the second car door 9 can both be vertically lifted and lowered under the restriction of the guide device, and the guide device is a slide groove 7 arranged on the left and right sides of the car 1. A limiting mechanism is arranged between the second car door 9 and the car, so that the second car door 9 will not fall along the slide groove 7 all the time.

[0065] A lifting mechanism is provided on the top of the car 1, and the lifting mechanism is connected to the first car door 8 through a steel belt 30. A lap joint 9-1 corresponding to the first car door 8 is provided on the top of the second car door 9. The first car door 8 is lifted to its top to dock with the lap joint 9-1, and the second car door 9 is lifted together with the first car door 8 to open the car door. That is, when the car door is opened, the first car door 8 first moves upward until the top of the first car door 8 contacts the lap joint 9-1 of the second car door 9, and the second car door 9 also continues to be lifted along with the first car door 8 until it is opened to a preset degree. Similarly, when closing, in the first half, the first car door 8 and the second car door 9 move downward at the same time. When the second car door 9 returns to its original position, the first car door 8 continues to move downward until the first car door 8 returns to its original position, and the car door is closed.

[0066] The second car door 9 located at the top adopts a metal frame, and a transparent tempered glass is arranged inside the frame for lighting. Glass windows can also be arranged on the left and right side walls of the car 1 for lighting.

[0067] like Fig. 9As shown, the lifting mechanism includes a motor reducer 28, the output shaft of the motor reducer 28 is a through shaft extending to both sides, and a rope reel 29 is fixedly arranged at both ends of the output shaft, and a steel belt 30 is arranged on the rope reel 29, and the lower end of the steel belt is connected to the bottom end of the first car door 8. The first car door 8 is lifted by the left and right steel belts to ensure that the first car door 8 is lifted and lowered smoothly. The steel belt structure is flat and occupies little space. The steel belt is connected to the bottom end of the first car door 8, and can lift the first car door 8 upward to the maximum extent, ensuring that the travel of the first car door 8 is sufficient to enable the car door to be fully opened.

[0068] The structure and opening and closing principles of the floor door are the same as those of the above-mentioned car door.

[0069] like Figure 1 and Figure 8 As shown, the floor door includes a first floor door 4 and a second floor door 5 which are staggered up and down, the first floor door 4 is located at the lower part, and the second floor door 5 is located at the upper part, and the first floor door 4 and the second floor door 5 can both be vertically lifted and lowered under the restriction of a guide device, and the guide device is a slide groove 6 fixedly arranged on the left and right sides of the outer wall of the floor door opening 3.

[0070] The top of the second floor door 5 is provided with an overlapping portion 5-1 corresponding to the first floor door 4. The first floor door 4 is lifted to its top to dock with the overlapping portion 5-1. The second floor door 5 is lifted together with the first floor door 4 to open the floor door.

[0071] The floor door does not have a separate lifting mechanism, and it is opened and closed by linkage with the car door. This has the advantage of avoiding the need to set up a separate lifting mechanism for the floor door on each floor, reducing installation costs, simplifying the control system, reducing the system failure rate, and reducing the cost of operation and maintenance.

[0072] The specific structure of the linkage between the floor door and the car door is as follows:

[0073] like Figure 5 , Figure 6 , Figure 8 and Fig.10 As shown, a support plate mechanism 31 is provided at the lower part of the first car door 4, and a support plate socket 4-1 adapted to the support plate mechanism 31 is provided on the first floor door. When the first car door 8 is lifted, the support plate mechanism 31 is activated and plugged into the support plate socket 4-1, so that the first floor door 4 and the first car door 8 are linked.

[0074] The pallet mechanism 31 includes a first pallet 31-1 and a second pallet 31-2. The upper end of the second pallet 31-2 is hinged to the first car door 8, the lower end of the second pallet 31-2 is hinged to the upper end of the first pallet 31-1, and the lower end of the first pallet 31-1 is connected to the steel belt 30 of the lifting mechanism; a sliding limit mechanism is provided between the lower end of the first pallet 31-1 and the first car door 8, and the lower end of the first pallet 31-1 slides upward to push the second pallet 31-2 to flip to a horizontal state and plug into the pallet socket 4-1.

[0075] The sliding limit mechanism is a limit protrusion 31-3 provided on the left and right sides of the lower end of the first support plate 31-1 and a limit groove 8-2 provided on the first car door 8, wherein the limit protrusion 31-3 is embedded in the limit groove 8-2. The sliding limit mechanism has two functions, the first is to limit the vertical movement of the lower end of the first support plate 31-1 along the limit groove 8-2, and the second is to limit the travel of the first support plate 31-1. When the second support plate 31-2 is turned over to a horizontal state, the first support plate 31-1 also rises to the limit at the same time.

[0076] In this embodiment, a rectangular pallet mounting hole 8-1 is respectively provided on the left and right sides of the bottom of the first car door 8, the pallet mechanism 31 is arranged in the pallet mounting hole 8-1, and the limit groove 8-2 is arranged in the left and right side walls of the pallet mounting hole 8-1.

[0077] There is a certain distance between the car door and the floor door, that is, there is a certain gap between the first car door 8 and the first floor door 4. Therefore, the length of the second support plate 31-2 should overcome the distance and be long enough to be plugged into the support plate socket 4-1.

[0078] In the above structure, when the lifting mechanism is in motion, the first to start the motion is the support plate mechanism 31. When the second support plate 31-2 is turned over to a horizontal state, it is just plugged into the support plate plug hole 4-1 and located in the support plate plug hole 4-1. Then the lifting mechanism continues to reel in the steel strip, and the car door and the floor door are lifted and opened synchronously. In this process, the opening of the car door and the opening of the floor door should take into account the space occupied by the support plate mechanism 31, that is, the car door needs to be lifted to a sufficient height.

[0079] A reset spring 32 is provided between the lower end of the first support plate 31-1 and the car 1. When the car door is closed, the car door and the floor door slowly descend under the action of their own gravity and the action of the lifting device. When the first car door is reset, the support plate mechanism 3 is reset under the action of the reset spring 32.

[0080] like Fig.12 , Fig.13 and Fig.14As shown, the car 1 is provided with a positioning pin anti-falling mechanism. After the car 1 stops at the designated position, the positioning pin 37 of the positioning pin anti-falling mechanism extends out and overlaps with the corresponding device fixedly arranged on the building wall 2 to prevent the car 1 from falling.

[0081] The positioning pin anti-falling mechanism includes a guide sleeve 38 fixedly arranged on the outer wall of the car, and the guide sleeve 38 can be welded and fixed to the side wall of the car through a support frame or a support rod. A positioning pin 37 is arranged in the guide sleeve 38, and the positioning pin 37 corresponds to the fixing seat 14 after being extended, and is located 1-3 cm above the fixing seat 14. The purpose of leaving this spacing is to avoid interference between the positioning pin 37 and the fixing seat due to errors in the operation of the car and installation errors of various facilities, and the positioning pin cannot be extended normally. At the same time, in order to prevent the positioning pin from falling, the positioning pin is not subjected to force under normal circumstances. When it falls, it can contact the fixing seat by falling 1-3 cm.

[0082] One end of the locating pin 37 is hinged to the connecting rod 39, and a connecting long hole 40 is provided at the upper end of the connecting rod 39. The end of the locating pin 37 is connected to the connecting long hole 40 through an ear shaft. The bottom of the connecting rod 39 is fixedly connected to a pressure plate 43. There is a certain angle between the pressure plate 43 and the connecting rod 39. The pressure plate 43 is arranged in the car, located at the corner just below the first car door 8. A rotating shaft 41 is provided in the middle (or bottom) of the connecting rod 39 to make the connecting rod 39 swing around the rotating shaft 41. A gap is provided on the side wall of the car for the connecting rod 39 or the pressure plate 43 to pass through. A reset tension spring 42 is provided between the connecting rod 39 or the locating pin 37 and the guide sleeve 38, and the reset tension spring 42 keeps the locating pin 37 in an extended state.

[0083] like Fig.12 As shown, when the car door is in a closed state, the first car door 8 is at the bottom, and the pressure plate 43 is pressed down by the pressure of the first car door 8. At this time, the connecting rod 39 is in a state close to one side of the car 1 due to the action of the pressure plate 43, the reset spring 42 is in a stretched state, and the positioning pin 37 is in a retracted state.

[0084] like Fig.13 and Fig.14 As shown, when the car door is opened, the first car door 8 is lifted, and the pressure plate 43 is gradually released. Under the tension of the return spring 42, the positioning pin 37 extends, the connecting rod 39 swings to a state away from the car 1, and the pressure plate 43 tilts up.

[0085] As another embodiment, the positioning pin 37 can be driven to extend and retract by an independent power actuator (such as an electric cylinder).

[0086] like Figure 1 and Figure 3As shown, a maintenance standby door 45 is provided on the side of the car away from the building wall 2. When the car is under maintenance, the car needs to be lowered to the ground, which will block the unit door 33 and prevent people from entering and exiting. Therefore, it is necessary to open a maintenance standby door 45 on the car. When the car is under maintenance, the maintenance standby door 45 and the car door are all opened to form a passage, thereby reducing the impact of maintenance on residents' lives and meeting fire-related requirements.

[0087] like Fig.11 As shown, a foundation pit 34 is provided at the ground corresponding to the car, an elastic buffer 36 is provided in the foundation pit 34, and a steel plate 35 is covered on the foundation pit 34. The elastic buffer 36 can be made of waste tires.

[0088] A fall arrester 26 is provided between the car 1 and the building. Figure 3 As shown, in this embodiment, the anti-fall device 26 is fixedly arranged on the top of the support frame 24, and the anti-fall steel cable 27 is connected to the top of the car. As an equivalent replacement, the anti-fall device can also be arranged on the traction machine, or the anti-fall device associated with the steel cable 20 is arranged near the traction wheel. The safety factor of the elevator is further increased by arranging the anti-fall device.

[0089] In addition, it is necessary to set up a controller and corresponding sensor devices to support the stable operation of the elevator when the elevator is installed and used. As a priority, an infrared sensor can be set in the doorway on the first floor to identify pedestrians coming and going. Since the elevator car cannot stop on the first floor when not in use, when people on the first floor need to use the elevator, they call the elevator through the control panel. The control system receives the corresponding signal and the car can descend to the first floor. However, since people walk in and out of the doorway on the first floor from time to time, in order to avoid damage to pedestrians caused by the descent of the car, it is necessary to set up corresponding infrared sensors to identify pedestrians. When there are pedestrians, the elevator cannot descend to the first floor. It is necessary to wait until there are no pedestrians before the car can descend to the ground on the first floor.

[0090] In this embodiment, doors are respectively provided on the front and rear facades of the car as the doors for entering and exiting the car and the inspection passage. As an equivalent replacement, car doors and inspection doors corresponding to the floor doors can also be provided on the left and right sides of the car, as long as it is convenient to enter the corridor in a reasonable manner. Similarly, doors can be provided on the front, back, left and right sides of the car at the same time to meet different needs.

[0091] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An elevator structure, characterized in that: It includes: The square steel tube is fixed vertically close to the building wall; A car, on which a guide wheel group is fixedly arranged, the guide wheel group embraces the square steel pipe, so that the car moves vertically with the square steel pipe as a guide rail; a car door is arranged on the side of the car close to the building wall, and the car door corresponds to the floor door arranged on the building wall; A counterweight body is arranged in the square steel tube and moves vertically up and down in the square steel tube; A power mechanism, used to drive the car to rise and fall vertically, which is fixedly arranged on the square steel pipe or the top of the building, and the power mechanism connects the car and the counterweight through a steel cable; A concave portion is provided at a corner of the car close to the building wall, the concave portion is adapted to the square steel pipe, and the guide wheel set is arranged at the concave portion; A support frame is arranged on the top of the square steel tube or the top of the building, the power mechanism is arranged on the support frame, the power mechanism is a traction machine, a first pulley is arranged on the top of the counterweight, a second pulley and a third pulley are arranged on the top of the car, one end of the steel cable is fixed on the top of the square steel tube, and the other end passes through the first pulley and then passes upward through the traction wheel of the traction machine, and then passes downward through the second pulley and the third pulley in sequence, and then is fixedly connected to the support frame upward; The vertical projections of the first pulley, the second pulley and the third pulley relative to the horizontal plane are located on a straight line and are arranged along the diagonal line of the car.

2. An elevator structure according to claim 1, characterized in that: The position of the elevator car corresponds to the unit door of the building, and the floor door is transformed from the original corridor floor window.

3. An elevator structure according to claim 2, characterized in that: The floor doors, the car doors and the car body are all provided with glass windows.

4. An elevator structure according to claim 3, characterized in that: The car door includes a first car door and a second car door which are staggered up and down, the first car door is located at the lower part, the second car door is located at the upper part, the first car door and the second car door can both be vertically lifted and lowered under the restriction of the guide device, a lifting mechanism is provided on the top of the car, the lifting mechanism is connected to the first car door through a steel belt, a lap joint corresponding to the first car door is provided on the top of the second car door, the first car door is lifted to its top and docked with the lap joint, and the second car door can be lifted together with the first car door to open the car door.

5. An elevator structure according to claim 4, characterized in that: The floor door comprises a first floor door and a second floor door which are staggered up and down, the first floor door is located at the lower part, the second floor door is located at the upper part, the first floor door and the second floor door can both be lifted and lowered vertically under the restriction of the guide device, the top of the second floor door is provided with an overlap portion corresponding to the first floor door, the first floor door is lifted to its top and butted with the overlap portion, and the second floor door can be lifted together with the first floor door to open the floor door; A support plate mechanism is arranged at the lower part of the first car door, and a support plate socket matched with the support plate mechanism is arranged on the first floor door. When the first car door is lifted, the support plate mechanism is activated and connected with the support plate socket, so that the first floor door is linked with the first car door.

6. An elevator structure according to claim 5, characterized in that: The pallet mechanism includes a first pallet and a second pallet, the upper end of the second pallet is hinged to the first car door, the lower end of the second pallet is hinged to the upper end of the first pallet, and the lower end of the first pallet is connected to the steel belt of the lifting mechanism; a sliding limiting mechanism is arranged between the lower end of the first pallet and the first car door, and the lower end of the first pallet slides upward to push the second pallet to flip to a horizontal state and connect to the pallet socket.

7. An elevator structure according to claim 1, characterized in that: The car is provided with a positioning pin anti-falling mechanism. After the car stops at a designated position, the positioning pin of the positioning pin anti-falling mechanism extends out and overlaps with a corresponding device fixedly arranged on the building wall.

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