Elevator car handrail with mounting structure

By designing handrails with installation structures in the elevator car, the problems of loose handrails and inconvenience of passenger handrails are solved, and a more stable handrail structure and an improved riding experience are achieved.

CN223047033UActive Publication Date: 2025-07-01SUZHOU YISHENGKE METAL PROD CO LTD
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Patent Information

Application Number
CN202422027623.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-21
Publication Date
2025-07-01
Estimated Expiration
2034-08-21

AI Technical Summary

Technical Problem

The handrail structure in the elevator car lacks support points that increase the contact between the handrail and the inner wall of the car, resulting in the problem of loose handrails, especially when there are a large number of people, it is inconvenient for passengers to hold hands in the center.

Method used

An elevator car handrail with a mounting structure is designed, including fixed columns, mounting seats, connecting sleeves, anti-loosening components and handrail components. By combining the fixed column with the inner wall of the car, the mounting seat is in line with the car surface, the connecting sleeve is spiraledly connected to the fixed column, the expansion tire is combined with the inflatable nozzle, the limit cylinder is combined with the mounting block, and the third handrail rod is connected with the limit cylinder, the firm installation and multi-point support of the handrail is achieved.

Benefits of technology

By increasing the contact area and support points, the problem of loose handrails is avoided and a more stable handrail structure is provided. Especially when there are a large number of people, passengers can easily hold the handrails from the center, improving the riding experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an elevator car handrail with a mounting structure, which comprises a mounting mechanism, the mounting mechanism comprises a fixed column mounted on the inner wall of an elevator car, a mounting seat sleeved on the outer side of the fixed column and attached to the inner wall of the elevator car, and a connecting sleeve positioned in the mounting seat and connected with the fixed column through a bolt in a screwing manner; the anti-loosening assembly comprises an inflation nozzle penetrating through the bottom of the mounting base and an expansion pneumatic tire mounted in the surface, facing the inner wall of the elevator car, of the mounting base; the fixing columns and the inner wall of the elevator car are combined through a conventional method, the mounting bases are matched with the surface of the elevator car, the connecting sleeves and the fixing columns are spirally and firmly connected, and the contact area and the supporting points are increased. The limiting cylinders penetrate through the mounting blocks and the mounting bases, the third grab rails are inserted into the limiting cylinders, and hand-screwing locking screws are screwed. Therefore, the mounting block and the third grab rail are firm, and the first grab rail and the third grab rail can be held by a passenger.
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Description

Technical Field

[0001] The utility model belongs to the technical field of elevator accessories, and particularly relates to an elevator car armrest with an installation structure. Background Art

[0002] An elevator armrest is a safety auxiliary accessory installed in an elevator car for manual holding. The main functions of the elevator armrest include providing support, guiding direction, providing a sense of security, facilitating movement, and enhancing aesthetics. Through the setting of the armrest, passengers can feel a safer, more comfortable, and more convenient riding experience in the elevator.

[0003] However, the structure of the elevator armrest in the elevator car mainly includes a fixed column connected to the inner wall of the car and a round tube for passengers to hold. There is a gap between the round tube and the inner wall of the car. Only the symmetrically distributed fixed columns are connected to the inner wall of the car. The structure is simple and there are few firm support points. After a period of use, the round tube will become loose. In addition, generally, the height of the armrest is installed between 0.9 meters and 1.2 meters. Although this height range takes into account the height and usability of most passengers and is convenient for passengers to hold when there are few people in the elevator, when there are many people, only the passengers close to the armrest rod can hold it, which is not conducive to passengers in the central position of the crowd in the elevator to hold. When the elevator armrest is installed on the inner wall of the car, there is a problem in the design that there is no increase in the support points for the contact between the armrest and the inner wall of the car to avoid the loosening of the armrest. For this reason, this application proposes an elevator car armrest with an installation structure. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an elevator car armrest with an installation structure to solve the problem that there is no increase in the support points for the contact between the armrest installed on the inner wall of the car and the inner wall of the car as mentioned in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: An elevator car armrest with an installation structure, including

[0006] An installation mechanism, including a fixed column installed on the inner wall of the elevator car, an installation seat sleeved on the outside of the fixed column and attached to the inner wall of the elevator car, and a connection sleeve located inside the installation seat and screwed to the fixed column by a bolt;

[0007] An anti-loosening component, including an inflation nozzle penetrating the bottom of the installation seat and an expansion air tire installed on the surface of the installation seat facing the inner wall of the elevator car;

[0008] The armrest assembly includes a mounting block installed inside a mounting seat, a limiting cylinder penetrating through the mounting seat and the mounting block, a third armrest rod with its bottom end inserted into the limiting cylinder, a hand-tightening locking screw for locking the mounting block and the third armrest rod, and further includes a first armrest rod symmetrically installed on the surface of the mounting seat.

[0009] Preferably, a circular groove is formed on the surface of the mounting seat facing the inner wall of the elevator car, the expansion air tire is located in the circular groove, a damping rubber ring is provided on the expansion air tire, and the inflation nozzle is internally communicated with the expansion air tire.

[0010] Preferably, the third armrest rod includes a top horizontal rod and a bottom vertical rod, the bottom end of the bottom vertical rod penetrates into the limiting cylinder, and an external thread is provided on the outer surface of the bottom end of the limiting cylinder.

[0011] Preferably, an external thread is provided on the outer surface of one end of the fixing column penetrating into the mounting seat, an internal thread matching the fixing column is provided on the inner wall of the connecting sleeve, one end of the connecting sleeve is sealed, and a square groove is formed at the center of the surface of the sealed end of the connecting sleeve.

[0012] Preferably, the first armrest rod is parallel to the mounting seat, and stabilizing columns for connecting with the mounting seat are provided at both ends of the first armrest rod.

[0013] Preferably, a hand-held component is combined on the bottom end of the limiting cylinder, and the hand-held component includes a connecting rod combined and connected with the limiting cylinder, a connecting sleeve for firmly limiting the limiting cylinder and the connecting rod, and a second armrest rod vertically connected to the bottom end of the connecting rod.

[0014] Preferably, a limiting member inserted into the limiting cylinder is provided at one end of the connecting rod, and the limiting member includes a convex column connected to the connecting rod and a clamping column connected to one end of the convex column. The clamping column includes a column body end and a square body end away from the convex column. A limiting cavity B is formed at one end inside the limiting cylinder, and a card slot communicated with the limiting cavity B is formed on the outer surface of the limiting cylinder.

[0015] Preferably, a contraction spring and a clamping block slidably penetrating through the outer surface of the convex column are provided inside the convex column. Both ends of the contraction spring are respectively embedded inside the clamping block. External threads are provided on the outer surfaces of the end parts of the limiting cylinder and the connecting rod close to each other, and internal threads matching the limiting cylinder and the connecting rod are provided on the inner wall of the connecting sleeve.

[0016] Compared with the prior art, the beneficial effects of the present utility model are:

[0017] In the present utility model, the fixed column is combined with the inner wall of the elevator car by a conventional method. The mounting seat fits the surface of the elevator car. The connecting sleeve is firmly screwed to the fixed column, increasing the contact area and support points. The limiting cylinder passes through the mounting block and the mounting seat. The third handrail rod is inserted into the interior of the limiting cylinder, and the hand-tightening locking screw is tightened to firmly fix the mounting block and the third handrail rod. The first handrail rod and the third handrail rod can be held by passengers. Description of the Drawings

[0018] Figure 1 It is a schematic structural view of the present utility model;

[0019] Figure 2 Of the present utility model Figure 1 Schematic enlarged view of part A;

[0020] Figure 3 It is a top view structural view of the mounting seat of the present utility model;

[0021] Figure 4 It is a rear view structural view of the mounting seat of the present utility model;

[0022] Figure 5 It is a three-dimensional structural view of the end of the limiting cylinder of the present utility model;

[0023] Figure 6 It is a sectional view structural view of the end of the connecting rod of the present utility model;

[0024] In the figure: 1, mounting seat; 2, mounting block; 5, connecting rod; 6, second handrail rod; 7, connecting sleeve; 11, first handrail rod; 12, inflation nozzle; 13, inflated air tire; 21, hand-tightening locking screw; 31, limiting cylinder; 32, third handrail rod; 41, connecting sleeve; 42, fixed column; 51, convex column; 52, clamping column; 131, damping rubber ring; 311, clamping groove; 511, clamping block; 512, compression spring. Detailed Implementation Manner

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0026] Embodiment 1

[0027] Please refer to Figures 1 to 4, the present utility model provides a technical solution: an elevator car armrest with an installation structure, including an installation mechanism, which includes a fixed column 42 installed on the inner wall of the elevator car, a mounting seat 1 sleeved outside the fixed column 42 and fitting with the inner wall of the elevator car, and a connecting sleeve 41 located inside the mounting seat 1 and screwed to the fixed column 42 by bolts. The fixed column 42 is combined with the inner wall of the elevator car by a conventional method. The mounting seat 1 fits with the surface of the elevator car. The connecting sleeve 41 is firmly connected to the fixed column 42, increasing the contact area and support points; an anti-loosening component, which includes an inflation nozzle 12 penetrating the bottom of the mounting seat 1 and an expansion air tire 13 installed on the surface of the mounting seat 1 facing the inner wall of the elevator car. By using a common external inflation device, such as a pump, to inflate the expansion air tire 13, the expansion air tire 13 expands, and the expanded expansion air tire 13 can fill the gap between the mounting seat 1 and the inner wall of the elevator car, keeping the mounting seat 1 in a stable state and preventing the mounting seat 1 from loosening; an armrest component, which includes a mounting block 2 installed inside the mounting seat 1, a limiting cylinder 31 penetrating the mounting seat 1 and the mounting block 2, a third armrest rod 32 with its bottom end inserted into the limiting cylinder 31, and a hand-tightening locking screw 21 for locking the mounting block 2 and the third armrest rod 32. It also includes a first armrest rod 11 symmetrically installed on the surface of the mounting seat 1. The mounting block 2 slides inside the mounting seat 1. The limiting cylinder 31 penetrates the mounting block 2 and the mounting seat 1 to limit the mounting block 2. The third armrest rod 32 is inserted into the limiting cylinder 31, and the hand-tightening locking screw 21 is tightened to fix the third armrest rod 32 firmly. The first armrest rod 11 and the third armrest rod 32 can be held by passengers. The first armrest rod 11 at the lower position can be held by the passengers nearby, while the third armrest rod 32 at the higher position can be held by the passengers at the center position of the elevator car.

[0028] In this embodiment, a circular groove is formed on the surface of the mounting seat 1 facing the inner wall of the elevator car. The expansion air tire 13 is located in the circular groove. A damping rubber ring 131 is provided on the expansion air tire 13. The inflation nozzle 12 is internally connected to the expansion air tire 13. By inflating the expansion air tire 13, the expansion air tire 13 expands, and the expanded expansion air tire 13 can fill the gap between the mounting seat 1 and the inner wall of the elevator car, keeping the mounting seat 1 in a stable state and preventing the mounting seat 1 from loosening. The surface of the damping rubber ring 131 has anti-slip lines, which can increase the friction between the expansion air tire 13 and the inner wall of the elevator car.

[0029] In this embodiment, the third armrest rod 32 includes a top horizontal rod and a bottom vertical rod. The bottom end of the bottom vertical rod penetrates into the limiting cylinder 31, and the hand-tightening locking screw 21 is tightened to fix the third armrest rod 32 firmly. The first armrest rod 11 and the third armrest rod 32 can be held by passengers. The outer surface of the bottom end of the limiting cylinder 31 is provided with external threads, and the connecting sleeve 7 is screwed to the limiting cylinder 31 through threads.

[0030] In this embodiment, the outer surface of one end of the fixing post 42 inserted into the mounting base 1 is provided with an external thread, and the inner wall of the connecting sleeve 41 is provided with an internal thread that mates with the fixing post 42. One end of the connecting sleeve 41 is sealed. The connecting sleeve 41 serves to firmly fix the fixing post 42 and limit the mounting base 1, preventing the mounting base 1 from falling off. A square groove is formed at the center of the surface of the sealed end of the connecting sleeve 41, facilitating the disassembly and assembly of the connecting sleeve 41 with a wrench.

[0031] In this embodiment, the first handrail 11 is parallel to the mounting base 1. Stable columns for connecting with the mounting base 1 are provided at both ends of the first handrail 11. There is a gap between the first handrail 11 and the mounting base 1, facilitating passengers to hold.

[0032] In summary: The fixing post 42 and the inner wall of the elevator car are combined by conventional methods. The mounting base 1 fits the surface of the elevator car. The connecting sleeve 41 is firmly connected to the fixing post 42 by screwing, increasing the contact area and support points. The limiting cylinder 31 penetrates through the mounting block 2 and the mounting base 1. The third handrail 32 is inserted into the interior of the limiting cylinder 31. The hand-tightening lock screw 21 is tightened to firmly fix the mounting block 2 and the third handrail 32. The first handrail 11 and the third handrail 32 can be held by passengers.

[0033] Embodiment 2

[0034] Please refer to Figures 1 to 6 , which is the second embodiment of the present utility model. Based on the previous embodiment, in order to facilitate children to hold, a hand-holding component is combined at the bottom end of the limiting cylinder 31. The hand-holding component includes a connecting rod 5 combined and connected with the limiting cylinder 31, a connecting sleeve 7 for firmly limiting the limiting cylinder 31 and the connecting rod 5, and a second handrail 6 vertically connected to the bottom end of the connecting rod 5. The connecting rod 5 is connected to the limiting cylinder 31. The connecting sleeve 7 firmly fixes the connecting rod 5 and the limiting cylinder 31 by screwing. The second handrail 6 is located below the first handrail 11. The second handrail 6 is at a low position, facilitating children to hold. A limiting member is provided at one end of the connecting rod 5 and inserted into the interior of the limiting cylinder 31. The limiting member includes a convex column 51 connected to the connecting rod 5 and a clamping column 52 connected to one end of the convex column 51. The clamping column 52 includes a column body end and a square body end away from the convex column 51. A limiting cavity B is formed at one end inside the limiting cylinder 31, and a card slot 311 communicating with the limiting cavity B is formed on the outer surface of the limiting cylinder 31. The convex column 51 and the clamping column 52 are inserted into the limiting cavity B inside the limiting cylinder 31, and the clamping block 511 is embedded in the card slot 311, combining the split connecting rod 5 and the limiting cylinder 31, facilitating the disassembly and assembly of the connecting rod 5.

[0035] In this embodiment, a contraction spring 512 is provided inside the convex post 51, and a clamping block 511 that slidably penetrates the outer surface of the convex post 51. The two ends of the contraction spring 512 are respectively embedded inside the clamping block 511, and the relative extrusion of the clamping block 511 and the contraction spring 512 is in a contracted state, which is conducive to removing the connecting rod 5. External threads are provided on the outer surfaces of the end portions of the limiting cylinder 31 and the connecting rod 5 that are close to each other, and internal threads that cooperate with the limiting cylinder 31 and the connecting rod 5 are provided on the inner wall of the connecting sleeve 7. The connecting sleeve 7 firmly holds the connecting rod 5 and the limiting cylinder 31 through screw connection, combining the split connecting rod 5 and the limiting cylinder 31, and facilitating the disassembly and assembly of the connecting rod 5.

[0036] In summary: The convex post 51 and the clamping post 52 are inserted into the limiting cavity B of the limiting cylinder 31, and the clamping block 511 is embedded in the clamping groove 311, combining the split connecting rod 5 and the limiting cylinder 31. The connecting sleeve 7 firmly holds the connecting rod 5 and the limiting cylinder 31 through screw connection. The second handrail rod 6 is located below the first handrail rod 11, and the second handrail rod 6 is in a low position, facilitating a child to hold by hand.

[0037] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An elevator car handrail with a mounting structure, characterized in that: include The mounting mechanism comprises a fixing column (42) mounted on the inner wall of the elevator car, a mounting seat (1) sleeved on the outer side of the fixing column (42) and in contact with the inner wall of the elevator car, and a connecting sleeve (41) located inside the mounting seat (1) and screwed to the fixing column (42) by means of bolts; An anti-loosening assembly comprises an inflation nozzle (12) penetrating the bottom of a mounting seat (1) and an inflatable air tire (13) mounted on the surface of the mounting seat (1) facing the inner wall of the elevator car; The handrail assembly comprises a mounting block (2) mounted inside a mounting seat (1), a limiting cylinder (31) penetrating the mounting seat (1) and the mounting block (2), a third handrail rod (32) with its bottom end inserted into the limiting cylinder (31), and a hand-tightening locking screw (21) for locking the mounting block (2) and the third handrail rod (32), and also comprises a first handrail rod (11) symmetrically mounted on the surface of the mounting seat (1).

2. The elevator car handrail with a mounting structure according to claim 1, characterized in that: A circular groove is provided on the surface of the mounting seat (1) facing the inner wall of the elevator car, the inflatable tire (13) is located in the circular groove, a damping rubber ring (131) is provided on the inflatable tire (13), and the inflation nozzle (12) is connected to the inside of the inflatable tire (13).

3. The elevator car handrail with a mounting structure according to claim 1, characterized in that: The third handrail rod (32) comprises a top horizontal rod and a lower vertical rod, the bottom end of the lower vertical rod penetrates into the interior of the limiting cylinder (31), and the outer surface of the bottom end of the limiting cylinder (31) is provided with an external thread.

4. The elevator car handrail with a mounting structure according to claim 1, characterized in that: The outer surface of one end of the fixing column (42) that penetrates into the mounting seat (1) is provided with an external thread, the inner wall of the connecting sleeve (41) is provided with an internal thread that matches the fixing column (42), one end of the connecting sleeve (41) is sealed, and a square groove is provided at the center of the surface of the sealed end of the connecting sleeve (41).

5. The elevator car handrail with a mounting structure according to claim 1, characterized in that: The first handrail rod (11) is parallel to the mounting seat (1), and stabilizing columns connected to the mounting seat (1) are provided at both ends of the first handrail rod (11).

6. The elevator car handrail with a mounting structure according to claim 1, characterized in that: A handrail assembly is assembled on the bottom end of the limiting cylinder (31), and the handrail assembly comprises a connecting rod (5) assembled and connected to the limiting cylinder (31), a connecting sleeve (7) that secures the limiting cylinder (31) and the connecting rod (5), and a second handrail rod (6) vertically connected to the bottom end of the connecting rod (5).

7. The elevator car handrail with a mounting structure according to claim 6, characterized in that: A limiting member inserted into the limiting cylinder (31) is provided on one end of the connecting rod (5), the limiting member comprising a protruding column (51) connected to the connecting rod (5), and a clamping column (52) connected to one end of the protruding column (51), the clamping column (52) comprising a column end and a square end away from the protruding column (51), a limiting cavity B is provided in one end of the limiting cylinder (31), and a clamping groove (311) connected to the limiting cavity B is provided on the outer surface of the limiting cylinder (31).

8. The elevator car handrail with a mounting structure according to claim 7, characterized in that: The convex column (51) is provided with a contraction spring (512) and a clamping block (511) which slides through the outer surface of the convex column (51), and the two ends of the contraction spring (512) are respectively embedded in the interior of the clamping block (511), and the outer surface of the end portion where the limiting cylinder (31) and the connecting rod (5) are close to each other is provided with an external thread, and the inner wall of the connecting sleeve (7) is provided with an internal thread which cooperates with the limiting cylinder (31) and the connecting rod (5).