Anti-shock device for elevator descent

Abstract

This invention provides an anti-impact device for elevator descent, belonging to the field of elevator technology. It includes a main body comprising a base, an outer shell I mounted on the upper part of the base, an outer shell II mounted on the upper part of the outer shell I, an outer support ring mounted on the side of the outer shell II, and a support rod I slidably connected to both the outer shell I and the outer shell II. A support tray is mounted on the upper part of the support rod I, and a rotating disk is rotatably connected to the lower part of the support tray. A spring I is installed between the rotating disk and the outer support ring, located outside the support rod I. This invention solves the problems that the impact resistance of anti-impact devices is essentially constant and cannot be changed according to needs, and that exposed components may accumulate impurities during long-term use, potentially causing operational stagnation and affecting the impact resistance effect.

Description

Technical Field

[0001] This invention belongs to the field of elevator technology, and specifically relates to an anti-impact device for elevator descent. Background Technology

[0002] An elevator is a permanent transportation device that serves several specific floors within a building, with its car moving on at least two rigid tracks perpendicular to the horizontal plane or at an angle of less than 15° to the vertical. There are also escalators, where steps are mounted on a continuous track and run; these are commonly known as moving walkways or automatic stairs. A fixed lifting device serving designated floors, a vertical elevator has one car.

[0003] During the descent of the elevator car, impact loads are generated due to factors such as gravity and load changes. Existing anti-impact devices have a relatively fixed strength to offset the impact and cannot be changed independently according to needs. Furthermore, exposed components may become contaminated with impurities during long-term use, which may cause operational jamming and affect the anti-impact effect. Therefore, an anti-impact device for elevator descent is proposed. Summary of the Invention

[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the invention.

[0005] Given the following technical problems in the existing technology: how to design a device that can flexibly change its impact resistance, handle impurities on its own, and adapt its impact resistance.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: an anti-impact device for elevator descent, comprising, The main body includes a base, an outer circular shell 1 is mounted on the upper part of the base, an outer circular shell 2 is mounted on the upper part of the outer circular shell 1, an outer support ring is mounted on the side of the outer circular shell 2, a support rod 1 is slidably connected to the outer circular shell 2 and the outer circular shell 1, a support tray is mounted on the upper part of the support rod 1, a rotating disk is rotatably connected to the lower part of the support tray, and a spring 1 located outside the support rod 1 is installed between the rotating disk and the outer support ring. An external alteration component is installed from top to bottom in the support rod one, the outer shell two, and the outer shell one. The external alteration component is used to regulate the amount of initial medium flow. An air supply assembly is installed in the outer circular shell 2. The air supply assembly is used to remove impurities adhering to the wall surface of the support rod 1. An impact-resistant auxiliary component is installed in an outer cylindrical shell and is located at the end of an external alteration component and connected to the external alteration component. The impact-resistant auxiliary component is used to operate during impact resistance to adapt to and offset impact loads.

[0007] Furthermore, the external alteration component includes a connecting rod, which is rotatably connected to the first support rod. A threaded sleeve is fixed to the lower part of the connecting rod, and a transmission rod is threaded to the lower part of the threaded sleeve. A receiving seat is installed at the lower part of the transmission rod, and a top contact rod is installed at the lower part of the first support rod. A conveying cavity is reserved in the middle of the top contact rod, and conveying ports are reserved on both sides of the top contact rod. A pair of sliding platforms are installed on both sides of the transmission rod.

[0008] By adopting the above technical solution, the external changing component can rotate the bearing tray to pull the connecting rod according to the needs, thereby causing the threaded sleeve to rotate. The threaded sleeve is threaded with the transmission rod. With the installation of the sliding table, the transmission rod can be pulled to move linearly without rotating, thereby causing the transmission rod to pull the bearing seat to move upward. This reduces the distance between the upper plate, middle plate, and lower plate, and tightens the metal spring. This reduces the distance between the inner wall of the upper and lower parts of the metal spring and the outer circumference of the three-dimensional shell, thereby weakening the flow volume of the medium. This changes the magnitude of the impact resistance, making it more flexible and adaptable.

[0009] Furthermore, the transmission rod extends from the middle of the top contact rod to the lower part of the impact-resistant auxiliary component and connects with the receiving seat. The cavity wall of the first conveying channel is reserved with a track cavity adapted to the sliding table. The bottom of the first support rod is hollow. The upper part of the transmission rod is equipped with threads, and the threads and the threaded sleeve are adapted to each other.

[0010] By adopting the above technical solution, the transmission channel allows the transmission rod to pass through and connect with the receiving seat. The transmission rod also passes through the matching top contact rod, upper plate, middle plate, and lower plate. The track cavity locks the sliding table to ensure the linear displacement of the transmission rod. The support rod provides a cavity to accommodate the medium, preventing the medium from being unable to move and causing the whole system to malfunction.

[0011] Furthermore, the air supply assembly includes a sealing ring installed on the upper part of the inner wall of the outer circular shell 1, a circular baffle installed on the upper edge of the sealing ring, an air collecting rubber shell installed in the space formed by the circular baffle and the outer circular shell 1, an input cavity 2 pre-reserved on the outer circular shell 1 and communicating with the air collecting rubber shell, a one-way valve 1 installed in the input cavity 2, a plurality of equally spaced conveying channels installed on the upper part of the air collecting rubber shell, a plurality of equally spaced springs 2 installed on the top of the air collecting rubber shell, a pressure ring installed on the outer circumference of the support rod 1 near the upper part of the outer circular shell 2, a confluence cavity pre-reserved in the upper wall of the outer circular shell 2, an annular opening pre-reserved on the upper wall surface of the outer circular shell 2 and communicating with the confluence cavity, and a clean bench installed in the middle area of ​​the upper wall of the outer circular shell 2.

[0012] By adopting the above technical solution, during the contact between the air supply component, the support tray pulls the support rod one downwards, which in turn pulls the pressure ring downwards. The pressure ring applies pressure to the spring two, which in turn applies pressure to the air collecting rubber shell, thereby tightening the air collecting rubber shell. The airflow in the air collecting rubber shell is output from the conveying channel to the confluence chamber, and then output from the annular port to the clean table. The clean table guides the airflow to the contact point between the clean table and the support rod one, blowing away the impurities removed by the clean table and ensuring the cleanliness of the support rod one during long-term use.

[0013] Furthermore, the clean bench is cone-shaped with its tip contacting the outer circumferential surface of the support rod, and the outer side of the annular opening forms a slope that tilts towards the clean bench.

[0014] By adopting the above technical solution, the tip of the clean bench removes impurities from the outer circumference of the support rod, and the slope has the ability to guide airflow to blow away the impurities.

[0015] Furthermore, the upper part of the conveying channel is connected to the confluence cavity and a one-way valve is installed thereon. The conveying channel is installed against the edge of the gas collecting rubber shell, and the upper part of the spring is connected to the lower wall of the pressure ring.

[0016] By adopting the above technical solution, the installation of one-way valve one allows airflow to enter from input cavity two without exiting from input cavity two. The installation of one-way valve two ensures that the delivery channel can deliver airflow to the confluence cavity without drawing air from the confluence cavity. The installation of the delivery channel will not hinder the displacement of the pressure ring.

[0017] Furthermore, the impact-resistant auxiliary component includes an upper plate, a middle plate, and a lower plate installed between the top contact rod and the receiving seat. The lower part of the upper plate has a pre-reserved assembly port one. The upper and lower parts of the middle plate and the lower plate have pre-reserved assembly ports two. The upper plate and the middle plate each have a pair of through cavities three. The middle plate and the lower plate each have a pre-reserved through port one that allows the assembly ports two to communicate. A circular shell three is slidably installed between the pair of opposite assembly ports two. Adaptive adjustment components are installed between the upper plate and the middle plate, and between the middle plate and the lower plate.

[0018] By adopting the above technical solution and utilizing the impact-resistant auxiliary components, the upper plate body contacts the lower wall of the top contact rod, and the lower plate body contacts the upper wall of the support seat. During the displacement of the support rod towards the outer shell, the top contact rod is pulled, causing the upper plate body, the middle plate body, and the lower plate body to move downwards. During this period, the spring is compressed, and the spring applies an opposite force upwards, pressing the lower plate body upwards. This causes the top contact ring to contact the metal spring, resulting in a shape change in the metal spring, causing it to contract. This results in the inner part of the metal spring shrinking and the outer part expanding, allowing the outer circumference of the metal spring to contact the recessed opening more tightly with the inner wall of the outer shell. The reduced distance between the inner walls of the upper and lower parts of the circular shell three and the metal spring sheet weakens the flow volume of the medium, which can enhance the resistance and obtain a better ability to offset the impact. The through port one allows the medium to move. The path of the medium during movement is from the receiving seat into the through port one, and then it moves into the cavity formed by the upper plate, the middle plate, and the lower plate. The medium in the circular shell three can move into the metal spring sheet through the delivery port four, and then move from the output hole into the delivery port three, and then fill the cavity formed by the upper plate, the middle plate, and the lower plate. It moves from the through cavity three to the upper part of the outer circular shell one, and then it can also move from the delivery port one and the delivery cavity one to the lower cavity of the support rod one.

[0019] Furthermore, the adaptive variable component includes a rubber ring slidably mounted on the inner wall of the outer circular shell. The outer circumferential surface of the rubber ring has several equally spaced conveying ports 2. The inner wall of the rubber ring has an indentation. A metal spring is installed in the indentation. The metal spring has a disc-shaped structure that protrudes from the edge to the center. The upper and lower inner walls of the metal spring and the outer circumferential surface of the circular shell 3 form an output hole. Top contact rings are installed on both the upper and lower parts of the metal spring. Several equally spaced conveying ports 3 are reserved in the middle of the top contact ring. Several equally spaced conveying ports 4 are installed in the middle of the circular shell 3.

[0020] By adopting the above technical solution, and utilizing adaptive variable components—that is, components that can automatically cooperate with external variable components—the distance between the upper plate and the middle plate, and between the middle plate and the lower plate can be changed. This, in turn, changes the distance between the output hole and the three outer circumferential surfaces of the circular shell, thereby changing the volume of medium flowing from the output hole during the initial action. This, in turn, changes the overall impact resistance strength to adapt to the elevator's impact resistance and make the elevator more stable.

[0021] Furthermore, the third circular shell is installed with openings at the top and bottom, and the receiving seat has a pair of transmission ports that communicate with the first through-hole. The first through-hole communicates with the third circular shell.

[0022] By adopting the above technical solution, the opening of the third circular shell allows the medium to move between the upper, middle, and lower discs, thereby allowing the medium to flow out more smoothly from the output hole. The transmission port allows the medium to move from the outer circular shell to the upper, middle, and lower discs.

[0023] Furthermore, the outer peripheral surface of the metal spring is fitted into the recessed opening, and both sides of the top contact ring are connected to the opposite wall surface.

[0024] By adopting the above technical solution, the change of the metal spring can also change the top contact ring to make corresponding adaptation. When the inner opening opens on the outer circumference of the metal spring, it also opens, so that the top contact ring and the inner wall of the outer shell are in closer contact, which strengthens the resistance to sliding and offsets the impact.

[0025] The beneficial effects of this invention are as follows: 1. This invention autonomously adjusts the volume of the medium flow through an externally modified component, thereby changing the magnitude and strength of the impact resistance, adapting to different impact resistance requirements of elevators, and the operation is autonomous and controllable.

[0026] 2. The present invention can automatically clean impurities on the outer peripheral surface of the support rod when the elevator contact device is activated by the air supply component, so as to avoid the accumulation of impurities affecting the long-term operation of the device and ensure the cleanliness and service life of the components.

[0027] 3. This invention combines an anti-impact auxiliary component with an adaptive variable component, which can automatically change the metal spring and reduce the volume of medium flow during impact, thereby improving the impact offsetting ability and making the elevator descend more smoothly.

[0028] Other features and advantages of the invention will be set forth in the following description, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of the invention may be realized and obtained by means of the structures particularly pointed out in the description and the drawings. Attached Figure Description

[0029] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Wherein: Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present invention; Figure 2 This is a top view of the structure according to an embodiment of the present invention; Figure 3 Embodiments of the present invention Figure 2 Schematic diagram of the AA section structure; Figure 4 This is a front view structural diagram of an embodiment of the present invention; Figure 5 This is a schematic diagram of the internal structure of the outer circular shell II according to an embodiment of the present invention; Figure 6 This is a schematic diagram of the upper plate, middle plate, and lower plate structure according to an embodiment of the present invention; Figure 7 Embodiments of the present invention Figure 3 Schematic diagram of the structure at point A in the middle; Figure 8 Embodiments of the present invention Figure 3 Schematic diagram of the structure at point B; Reference numerals: 100, Main body; 101, Base; 102, Outer shell one; 103, Outer shell two; 104, Outer support ring; 105, Support rod one; 106, Spring one; 107, Support tray; 200, External changing assembly; 201, Connecting rod; 202, Threaded sleeve; 203, Transmission rod; 204, Receiver; 205, Sliding table; 206, Top contact rod; 207, Conveying cavity one; 208, Conveying port one; 300, Air supply assembly; 301, Sealing ring; 302, Circular baffle; 303, Air collecting rubber shell; 304, Input cavity two; 305, One-way valve one; 3 06. Conveying channel; 307. Pressure ring; 308. Merging cavity; 309. Annular opening; 3010. Clean bench; 3011. Spring 2; 400. Impact-resistant auxiliary component; 401. Upper plate; 402. Middle plate; 403. Lower plate; 404. Through cavity 3; 405. Assembly port 2; 406. Through port 1; 407. Circular shell 3; 408. Rubber ring; 409. Conveying port 2; 4010. Recessed opening; 4011. Metal spring; 4012. Top contact ring; 4013. Conveying port 3; 4014. Conveying port 4; 4015. Output hole; 500. Spring 3. Detailed Implementation

[0030] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0031] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0032] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that is mutually exclusive with other embodiments.

[0033] Secondly, the present invention is described in detail with reference to the schematic diagrams. When detailing the embodiments of the present invention, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of the present invention. In addition, actual fabrication should include three-dimensional spatial dimensions of length, width, and depth.

[0034] Reference Figures 1-8 This invention provides an anti-impact device for elevator descent, comprising: The main body 100 includes a base 101. An outer circular shell 102 is installed on the upper part of the base 101. An outer circular shell 2 103 is installed on the upper part of the outer circular shell 102. An outer support ring 104 is installed on the side of the outer circular shell 2 103. A support rod 105 is slidably connected to the outer circular shell 2 103 and the outer circular shell 102. A support tray 107 is installed on the upper part of the support rod 105. A rotating disk is rotatably connected to the lower part of the support tray 107. A spring 106 located outside the support rod 105 is installed between the rotating disk and the outer support ring 104. External alteration component 200 is installed from top to bottom in support rod 105, outer shell 2 103 and outer shell 1 102. External alteration component 200 is used to regulate the amount of initial medium flow. Air supply assembly 300 is installed in outer shell 2 103. Air supply assembly 300 is used to remove impurities adhering to the wall surface of support rod 1 105. The impact-resistant auxiliary component 400 is installed in the outer shell 102 and is located at the end of the external change component 200 and connected to the external change component 200. The impact-resistant auxiliary component 400 is used to operate during impact resistance to adapt to and offset the impact load.

[0035] The external alteration component 200 includes a connecting rod 201, which is rotatably connected to a support rod 105. A threaded sleeve 202 is fixedly connected to the lower part of the connecting rod 201, and a transmission rod 203 is threaded to the lower part of the threaded sleeve 202. A receiving seat 204 is installed at the lower part of the transmission rod 203. A top contact rod 206 is installed at the lower part of the support rod 105. A conveying cavity 207 is reserved in the middle of the top contact rod 206, and conveying ports 208 are reserved on both sides of the top contact rod 206. A pair of sliding tables 205 are installed on both sides of the transmission rod 203. The external alteration component 200, according to requirements, rotates the support plate 107 to pull the connecting rod. The rotation of 201 causes the threaded sleeve 202 to rotate. The threaded sleeve 202 is threaded to the transmission rod 203. With the installation of the sliding table 205, the transmission rod 203 can be pulled to move linearly without rotating. This allows the transmission rod 203 to pull the receiving seat 204 to move upward, thereby reducing the distance between the upper plate 401, the middle plate 402, and the lower plate 403, and tightening the metal spring 4011. This reduces the distance between the inner wall of the upper and lower parts of the metal spring 4011 and the outer circumferential surface of the circular shell 407, thereby weakening the flow volume of the medium. This changes the magnitude of the impact resistance, making it more flexible and adaptable.

[0036] The transmission rod 203 passes through the middle of the top contact rod 206 and connects to the lower part of the impact-resistant auxiliary component 400 and the receiving seat 204. The cavity wall of the conveying channel 207 is reserved with a track cavity that is compatible with the sliding table 205. The bottom of the support rod 105 is hollow. The upper part of the transmission rod 203 is provided with threads, which are compatible with the threaded sleeve 202. The conveying channel 207 allows the transmission rod 203 to pass through and connect to the receiving seat 204. The transmission rod 203 also passes through the compatible top contact rod 206, upper plate 401, middle plate 402, and lower plate 403. The track cavity locks the sliding table 205 to ensure the linear displacement of the transmission rod 203. The support rod 105 provides a cavity to accommodate the medium, preventing the medium from being unable to move and causing the whole system to malfunction.

[0037] The air supply assembly 300 includes a sealing ring 301 installed on the upper part of the inner wall of the outer circular shell 102. A circular baffle 302 is installed on the upper edge of the sealing ring 301. An air collecting rubber shell 303 is installed in the space formed by the circular baffle 302 and the outer circular shell 102. The air collecting rubber shell 303 can self-restore. An input cavity 304 communicating with the air collecting rubber shell 303 is reserved on the outer circular shell 102. A one-way valve 305 is installed in section 4. Several equally spaced conveying channels 306 are installed on the upper part of the gas collecting rubber shell 303. Several springs 3011 are equally spaced on the top of the gas collecting rubber shell 303. A pressure ring 307 is installed on the outer circumference of the support rod 105 near the upper part of the outer shell 103. A confluence cavity 308 is reserved in the upper wall of the outer shell 103. A spacer is reserved on the upper surface of the outer shell 103. A clean bench 3010 is installed in the middle area of ​​the upper wall of the outer shell 103 via an annular opening 309 that communicates with the confluence chamber 308. During contact between the air supply assembly 300, the support tray 107 and the elevator, the support tray 107 pulls the support rod 105 downward, which in turn pulls the pressure ring 307 downward. The pressure ring 307 applies pressure to the spring 3011, which applies pressure to the air collecting rubber shell 303, thereby tightening the air collecting rubber shell 303. The airflow in the air collecting rubber shell 303 is output from the conveying channel 306 to the confluence chamber 308, and then output from the annular opening 309 to the clean bench 3010. The clean bench 3010 guides the airflow to the contact point between the clean bench 3010 and the support rod 105, blowing away the impurities removed by the clean bench 3010 and ensuring the cleanliness of the support rod 105 during long-term use.

[0038] The clean bench 3010 is cone-shaped and its tip contacts the outer peripheral surface of the support rod 105. The outer side of the annular opening 309 forms a slope that tilts towards the clean bench 3010. The tip of the clean bench 3010 removes impurities from the outer peripheral surface of the support rod 105, and the slope has the ability to guide airflow and blow away impurities.

[0039] The upper part of the conveying channel 306 is connected to the confluence chamber 308 and is equipped with a one-way valve 2. The conveying channel 306 is installed against the edge of the gas collecting rubber shell 303. The upper part of the spring 2 3011 is connected to the lower wall of the pressure ring 307. The installation of the one-way valve 1 305 allows the airflow to enter from the input chamber 2 304 without exiting from it. The installation of the one-way valve 2 ensures that the conveying channel 306 can deliver airflow to the confluence chamber 308 without drawing air from it. The installation of the conveying channel 306 will not hinder the displacement of the pressure ring 307.

[0040] The impact-resistant auxiliary component 400 includes an upper plate 401, an intermediate plate 402, and a lower plate 403 installed between the top contact rod 206 and the receiving seat 204. The lower part of the upper plate 401 has a pre-reserved assembly port 1. The upper and lower parts of the intermediate plate 402 and the lower plate 403 both have pre-reserved assembly ports 205. Both the upper plate 401 and the intermediate plate 402 have a pair of through-cavities 3 404. The intermediate plate 402 and the lower plate 403 have a through-hole 406 in the middle, allowing the assembly ports 205 to communicate. A circular shell 3 407 is slidably installed between the opposite pair of assembly ports 205. The upper plate 401... Adaptive movement components are installed between the upper plate 401 and the middle plate 402, and between the middle plate 402 and the lower plate 403. Using the anti-impact auxiliary component 400, the upper plate 401 contacts the lower wall of the top contact rod 206, and the lower plate 403 contacts the upper wall of the support seat 204. During the displacement of the support rod 105 towards the outer shell 102, the top contact rod 206 is pulled, causing the upper plate 401, middle plate 402, and lower plate 403 to move downwards. During this period, the spring 500 is compressed, and the spring 500 applies an opposite force upwards, pressing the lower plate 403 upwards, thereby allowing... The top contact ring 4012 contacts the metal spring 4011, causing a shape change in the metal spring 4011, causing it to contract. This results in the inner part of the metal spring 4011 shrinking while the outer part expands. This allows the outer circumference of the metal spring 4011 to contact the recessed opening 4010 more tightly, ensuring a closer contact between the recessed opening 4010 and the inner wall of the outer shell 102. It also reduces the distance between the upper and lower inner walls of the outer shell 407 and the metal spring 4011, weakening the flow volume of the medium and enhancing its ability to resist impacts. The through-hole 406 allows for medium movement, and the path of the medium during movement is self-... The receiving seat 204 enters the through-hole 406, and then moves into the cavity formed by the upper plate 401, the middle plate 402, and the lower plate 403. The medium in the circular shell 407 can move into the metal spring 4011 through the conveying port 4014, and then move into the conveying port 4013 through the output hole 4015. Then it fills the cavity formed between the upper plate 401, the middle plate 402, and the lower plate 403, and moves into the upper part of the outer circular shell 102 through the through-cavity 404. Subsequently, it can also move into the lower cavity of the support rod 105 through the conveying port 208 and the conveying cavity 207.

[0041] The adaptive variable component includes a rubber ring 408 slidably mounted on the inner wall of the outer cylindrical shell 102. The outer circumferential surface of the rubber ring 408 has several equally spaced delivery ports 409. The inner wall of the rubber ring 408 has a recessed opening 4010, in which a metal spring 4011 is installed. The metal spring 4011 has a disc-shaped structure that protrudes from the edge to the center. The upper and lower inner walls of the metal spring 4011 form an output hole 4015 with the outer circumferential surface of the cylindrical shell 407. Top contact rings 4012 are installed on both the upper and lower parts of the metal spring 4011. A middle section of the top contact ring 4012 is reserved... Several equally spaced conveying ports 4013 and several equally spaced conveying ports 4014 are installed in the middle of the circular shell 407. By using an adaptive variable component, that is, one that can cooperate with the operation of the external variable component 200, the distance between the upper plate 401 and the middle plate 402, and between the middle plate 402 and the lower plate 403 is changed, thereby changing the distance between the output hole 4015 and the outer circumference of the circular shell 407, thereby changing the initial volume of the medium flowing from the output hole 4015, and thus changing the overall impact resistance strength to adapt to the impact resistance of the elevator and make the elevator more stable.

[0042] The circular shell 3 407 is installed with openings at the top and bottom. The receiving base 204 has a pair of transmission ports that communicate with the through port 1 406. The through port 1 406 communicates with the circular shell 3 407. The opening of the circular shell 3 407 allows the medium to move among the upper plate 401, the middle plate 402, and the lower plate 403, thereby allowing the medium to flow out more smoothly from the output hole 4015. The transmission ports allow the medium to move from the outer circular shell 1 102 to the upper plate 401, the middle plate 402, and the lower plate 403.

[0043] The outer peripheral surface of the metal spring 4011 is inserted into the recess 4010. Both sides of the top contact ring 4012 are connected to the opposite wall surface. The change of the metal spring 4011 can also change the top contact ring 4012 to make corresponding adaptation. When the outer peripheral surface of the metal spring 4011 opens, the recess 4010 also opens, so that the top contact ring 4012 is in closer contact with the inner wall of the outer shell 102, which strengthens the resistance to sliding and offsets the impact.

[0044] The specific implementation method is as follows: During operation, the entire device is located at the lower part of the elevator descent. As needed, the rotating support plate 107 pulls the connecting rod 201 to rotate, thereby causing the threaded sleeve 202 to rotate. The threaded sleeve 202 is threaded with the transmission rod 203. With the installation of the sliding table 205, the transmission rod 203 can be pulled to move linearly without rotating, thereby causing the transmission rod 203 to pull the support seat 204 to move upward, thereby reducing the distance between the upper plate 401, the middle plate 402, and the lower plate 403, and tightening the metal spring 4011, thereby reducing the distance between the inner wall of the upper and lower parts of the metal spring 4011 and the outer peripheral surface of the circular shell 407, thereby reducing the flow volume of the medium. Subsequently, during the descent of the elevator, the lower wall of the elevator will contact the upper part of the support plate 107, thereby applying pressure to the support plate 107. The support plate 107 will pull the support rod 105 and the connecting rod 201 to descend. During the descent of the support rod 105, the support rod 105 will pull the pressure ring 307 to move downward. The pressure ring 307 will press the spring 3011, which will press the gas collecting rubber shell 303, thereby tightening the gas collecting rubber shell 303. The airflow in the gas collecting rubber shell 303 will be output from the conveying channel 306 to the confluence chamber 308, and then output from the annular port 309 to the clean table 3010. The clean table 3010 guides the flow of air to the contact point between the clean table 3010 and the support rod 105. Furthermore, during the displacement of the support rod 105 towards the outer shell 102, the traction top contact rod 206 causes the upper plate 401, the middle plate 402, and the lower plate 403 to move downwards. During this period, the spring 500 is compressed, and the spring 500 applies an opposite force upwards, pressing the lower plate 403 upwards. This causes the top contact ring 4012 to contact the metal spring 4011, causing the metal spring 4011 to change shape and contract. Consequently, the inside of the metal spring 4011 shrinks, while the outside of the metal spring 4011 expands. This causes the outer circumference of the metal spring 4011 to contact the recess 4010, making the recess 4010 and the inner wall of the outer shell 102 more closely together, and reducing the distance between the upper and lower inner walls of the shell 407 and the metal spring 4011. This weakens the flow volume of the medium and enhances the ability to resist impacts.

[0045] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0046] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. An anti-impact device for elevator descent, characterized in that, Include, The main body (100) includes a base (101), an outer shell one (102) is installed on the upper part of the base (101), an outer shell two (103) is installed on the upper part of the outer shell one (102), an outer support ring (104) is installed on the side of the outer shell two (103), a support rod one (105) is slidably connected in the outer shell two (103) and the outer shell one (102), a support tray (107) is installed on the upper part of the support rod one (105), a rotating disk is rotatably connected to the lower part of the support tray (107), and a spring one (106) is installed between the rotating disk and the outer support ring (104) on the outside of the support rod one (105). An external alteration component (200) is installed from top to bottom in a support rod (105), an outer shell (103), and an outer shell (102). The external alteration component (200) is used to regulate the amount of initial medium flow. Air supply assembly (300), which is installed in outer shell two (103), is used to remove impurities adhering to the wall surface of support rod one (105); An impact-resistant auxiliary component (400) is installed in an outer shell (102) and is located at the end of an external alteration component (200) and connected to the external alteration component (200). The impact-resistant auxiliary component (400) is used to operate during impact resistance to adapt to and offset impact loads.

2. The anti-impact device for elevator descent according to claim 1, characterized in that: The external alteration component (200) includes a connecting rod (201), which is rotatably connected to a support rod (105). The lower part of the connecting rod (201) is fixedly connected to a threaded sleeve (202), and the lower part of the threaded sleeve (202) is threaded to a transmission rod (203). A receiving seat (204) is installed at the lower part of the transmission rod (203). A top contact rod (206) is installed at the lower part of the support rod (105). A conveying cavity (207) is reserved in the middle of the top contact rod (206), and conveying ports (208) are reserved on both sides of the top contact rod (206). A pair of sliding tables (205) are installed on both sides of the transmission rod (203).

3. The anti-impact device for elevator descent according to claim 2, characterized in that: The transmission rod (203) passes through the middle of the top contact rod (206) and is connected to the lower part of the impact-resistant auxiliary component (400) and the receiving seat (204). The cavity wall of the first conveying channel (207) is reserved with a track cavity adapted to the sliding table (205). The bottom of the first support rod (105) is hollow. The upper part of the transmission rod (203) is provided with threads, and the threads are adapted to the threaded sleeve (202).

4. The anti-impact device for elevator descent according to claim 1, characterized in that: The air supply assembly (300) includes a sealing ring (301) installed on the upper part of the inner wall of an outer circular shell (102). A circular baffle (302) is installed on the upper edge of the sealing ring (301). An air collecting rubber shell (303) is installed in the space formed by the circular baffle (302) and the outer circular shell (102). An input cavity (304) communicating with the air collecting rubber shell (303) is reserved on the outer circular shell (102). A one-way valve (305) is installed in the input cavity (304). A one-way valve (305) is installed on the upper part of the air collecting rubber shell (303). A number of conveying channels (306) are installed at equal intervals. A number of springs (3011) are installed at equal intervals on the top of the gas collecting rubber shell (303). A pressure ring (307) is installed on the outer circumference of the support rod (105) near the upper part of the outer shell (103). A confluence cavity (308) is reserved in the upper wall of the outer shell (103). An annular opening (309) communicating with the confluence cavity (308) is reserved on the upper wall of the outer shell (103). A clean bench (3010) is installed in the middle area of ​​the upper wall of the outer shell (103).

5. The anti-impact device for elevator descent according to claim 4, characterized in that: The clean bench (3010) is conical in shape and its tip contacts the outer circumferential surface of the support rod (105). The outer side of the annular opening (309) forms a slope that tilts towards the clean bench (3010).

6. The anti-impact device for elevator descent according to claim 4, characterized in that: The upper part of the conveying channel (306) is connected to the confluence chamber (308) and a one-way valve is installed thereon. The conveying channel (306) is installed against the edge of the gas collecting rubber shell (303). The upper part of the spring (3011) is connected to the lower wall of the pressure ring (307).

7. The anti-impact device for elevator descent according to claim 2, characterized in that: The impact-resistant auxiliary component (400) includes an upper plate (401), an intermediate plate (402), and a lower plate (403) installed between the top contact rod (206) and the receiving seat (204). The lower part of the upper plate (401) has a pre-reserved assembly port one. The upper and lower parts of the intermediate plate (402) and the lower plate (403) both have pre-reserved assembly ports two (405). The upper plate (401) and the intermediate plate (402) also have... A pair of through-cavities (404) are reserved. A through-port (406) is reserved between the middle plate (402) and the lower plate (403) to allow assembly port (405) to communicate. A circular shell (407) is slidably installed between the pair of assembly ports (405). Adaptive adjustment components are installed between the upper plate (401) and the middle plate (402), and between the middle plate (402) and the lower plate (403).

8. The anti-impact device for elevator descent according to claim 7, characterized in that: The adaptive variable component includes a rubber ring (408) slidably mounted on the inner wall of the outer shell (102). The outer circumferential surface of the rubber ring (408) has a plurality of conveying ports (409) reserved at equal intervals. The inner wall of the rubber ring (408) has a recessed opening (4010). A metal spring (4011) is installed in the recessed opening (4010). The metal spring (4011) has a structure that protrudes from the edge to the middle and is a disc. The upper and lower inner walls of the metal spring (4011) and the outer peripheral surface of the circular shell (407) form an output hole (4015). The upper and lower parts of the metal spring (4011) are equipped with top contact rings (4012). The top contact rings (4012) have several equally spaced conveying ports (4013) in the middle. The circular shell (407) has several equally spaced conveying ports (4014) in the middle.

9. The anti-impact device for elevator descent according to claim 8, characterized in that: The three round shells (407) are installed with openings at the top and bottom. The receiving seat (204) has a pair of transmission ports that communicate with the through port (406). The through port (406) communicates with the three round shells (407).

10. An anti-impact device for elevator descent according to claim 9, characterized in that: The outer peripheral surface of the metal spring (4011) is embedded in the recess (4010), and both sides of the top contact ring (4012) are connected to the opposite wall surface. A spring (500) is installed between the lower wall of the lower plate (403) and the inner lower wall of the outer shell (102).

Images