Telescopic handrail of elevator car

Abstract

A telescopic handrail of an elevator car comprises a car inner wall and a telescopic handrail device arranged on the car inner wall. The inner wall of the lift car provides a groove for the placement of the telescopic handrail; the telescopic handrail device comprises a fixed seat arranged on the inner wall of the lift car, a guide sliding telescopic supporting rod and a handrail plate; the fixing seat is provided with an in-place locking device; the guiding sliding telescopic supporting rods are provided with unfolding limiting holes, when the unfolding limiting holes move to the position below the in-place locking device, the guiding sliding telescopic supporting rods enter the unfolding limiting holes to be locked so as to keep stretching of the telescopic handrail device, stretching and storage can be effectively achieved, the car structure is optimized, the design is reasonable, the space is fully utilized, and universality is high. The device has excellent performance in the aspects of technicality, economy and practicability. And using state. Extension and storage can be effectively achieved, the car structure is optimized and reasonable in design, the space is fully utilized, and universality is high. The device has excellent performance in the aspects of technicality, economy and practicability.

Description

Technical Field

[0001] The utility model relates to a telescopic handrail for an elevator car. Background Art

[0002] According to market research and patent retrieval, it is found that the existing handrails of elevators are fixedly installed in the car. When used in some high-rise buildings, the fixed handrails will occupy a certain amount of usable space, increasing the degree of crowding of people and items. To overcome the above defects, I developed a telescopic handrail for an elevator car. Content of the Utility Model

[0003] The technical problem to be solved by the purpose of the utility model is to provide a telescopic handrail for an elevator car, including the inner wall of the car and a telescopic handrail device provided on the inner wall of the car; the inner wall of the car provides a groove for the placement of the telescopic handrail device.

[0004] The telescopic handrail device includes a fixed seat provided on the inner wall of the car, a guiding and sliding telescopic rod, and a handrail plate; the fixed seat is provided with a positioning lock; the guiding and sliding telescopic rod is provided with an unfolding limit hole, and when the unfolding limit hole moves below the positioning lock, it enters the unfolding limit hole and is locked to maintain the extended use state of the telescopic handrail device.

[0005] In one or more embodiments of the utility model, the guiding and sliding telescopic rod includes two end bending guiding heads, a middle inserted and sliding strip, and a closing position locking clip; the unfolding limit hole is formed on the two end bending guiding heads.

[0006] In one or more embodiments of the utility model, the positioning lock includes a driving part, a locking tongue, and an elastic unit connecting the driving part and the locking tongue. By the telescopic movement of the driving part, the locking tongue is disengaged from the unfolding limit hole to enable the guiding and sliding telescopic rod to return to its movable state.

[0007] In one or more embodiments of the utility model, the driving part is an electromagnetic driving rod or a screw rod or a driving cylinder; the driving part is connected to a controller.

[0008] In one or more embodiments of the utility model, the number of the middle inserted and sliding strips is two, and the fixed seat provides a receiving guiding groove for the middle inserted and sliding strips.

[0009] In one or more embodiments of the utility model, the guiding and sliding telescopic rod forms a travel groove, and one end of the travel groove is connected to the unfolding limit hole.

[0010] The effects of the utility model compared with the background art are as follows:

[0011] Due to the adoption of the above solution by the present utility model, it can effectively achieve extension and retraction, optimize the design of the car structure reasonably, make full use of space, and have strong versatility; it has excellent performance in terms of technology, economy and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 FIG. 6 is a schematic structural diagram of the unfolded state of a telescopic handrail of an elevator car in an embodiment of the present utility model;

[0013] Figure 2 FIG. 10 is a schematic structural diagram of the use state of a telescopic handrail of an elevator car in an embodiment of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0014] The embodiments of the present utility model will be described in detail below. The illustrated embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout.

[0015] The orientation shown in the drawings should not be construed as limiting the specific protection scope of the present utility model. It is only for the reference understanding of the preferred embodiments. The positions of the product components shown in the drawings can be changed, the quantity can be increased, or the structure can be simplified.

[0016] The "connection" described in the specification and the "connection" relationship between the components shown in the drawings can be understood as fixedly connected, detachably connected or integrally formed; it can be directly connected or connected through an intermediate medium. Those of ordinary skill in the art can understand the connection relationship according to the specific situation and can obtain different implementation manners such as screwing, riveting, welding, clamping or embedding and substitute them in a suitable manner.

[0017] The orientation words such as upper, lower, left, right, top, bottom, etc. described in the specification and the orientation shown in the drawings, the components can be in direct contact or contact through other features between them; for example, above can be directly above or obliquely above, or it only means higher than other objects; the same can be analogously understood for other orientations.

[0018] The manufacturing materials of the components with solid shapes shown in the specification and the drawings and the supporting components not shown can be adaptively selected from metal materials, non-metal materials or other composite materials; for the machining processes of the components with solid shapes, stamping, forging, casting, wire cutting, laser cutting, injection molding, numerical milling, three-dimensional printing, machining, shearing, etc. can be adaptively selected; those of ordinary skill in the art can adaptively select or combine and select according to different processing conditions, costs and precisions, but are not limited to the above materials and their manufacturing processes.

[0019] The following will further describe the specific embodiments of the present invention in conjunction with the accompanying drawings of the specification, making the technical solutions and their beneficial effects of the present invention clearer and more definite; and it is intended to explain the present invention and should not be construed as a limitation to the present invention.

[0020] Referring to Figure 1-2 As shown, a preferred embodiment of the present invention provides a telescopic handrail for an elevator car, including a car inner wall 1 and a telescopic handrail device 2 provided on the car inner wall 1; the car inner wall 1 provides a groove 11 for the placement of the telescopic handrail device 2.

[0021] The telescopic handrail device 2 includes a fixed seat 21 provided on the car inner wall, a guiding and sliding telescopic rod 22, and a handrail plate 23; the fixed seat 21 is provided with a positioning lock 24; the guiding and sliding telescopic rod 22 is provided with an unfolding limit hole 221, and when the unfolding limit hole 221 moves below the positioning lock 24, it enters the unfolding limit hole 221 and is locked to maintain the extended use state of the telescopic handrail device 2.

[0022] The guiding and sliding telescopic rod 22 includes two end curved guiding heads 222, a middle inserted and sliding strip 223, and a closing position latch 224; the unfolding limit hole 221 is formed on the two end curved guiding heads 222.

[0023] The positioning lock 24 includes a driving part 241, a locking tongue 242, and an elastic unit 243 connecting the driving part 241 and the locking tongue 242. By the telescopic movement of the driving part 241, the locking tongue 242 is disengaged from the unfolding limit hole 211 so that the guiding and sliding telescopic rod 2 returns to the state of being movable and telescopic.

[0024] The driving part 241 is an electromagnetic driving rod, a screw rod, a driving cylinder, etc.; the driving part 241 is connected to a controller 244. The number of the middle inserted and sliding strips 223 is two, and the fixed seat 21 provides a receiving guiding groove 211 for the middle inserted and sliding strips 223. The guiding and sliding telescopic rod 2 forms a travel groove 225, and one end of the travel groove 225 is connected to the unfolding limit hole 221.

[0025] During use, pull the handrail plate 2 outwards, and make the locking tongue 242 enter the unfolding limit hole 221 under the action of elastic force to form a locked state. When it needs to be retracted, first press the controller 244 to make the locking tongue 242 disengage from the unfolding limit hole 221 under the drive of the driving part 241 and push it inwards. When the closing position latch 224 enters the positioning hole 212 for limiting to form a retracted state; effectively, it can be extended and retracted, the car structure is optimized in design, the space is fully utilized, and the universality is strong; it has excellent performance in terms of technology, economy, and practicality.

[0026] Although the present utility model has been described according to the above preferred embodiments, there may still be variations, substitutions, and equivalent solutions that fall within the scope of the present utility model; there may also be multiple alternative ways to implement the present utility model. Therefore, it is intended that the appended claims be construed to include all such variations, substitutions, and equivalent solutions that fall within the true spirit and scope of the present utility model; those skilled in the art should understand that the present utility model is not limited to the above specific embodiments, and improvements and substitutions using well-known techniques in the art based on the present utility model all fall within the protection scope of the present utility model, which should be defined by each claim.

Claims

1. A telescopic handrail for an elevator car, characterized in that: It includes an inner wall of a car and a telescopic handrail device arranged on the inner wall of the car; the inner wall of the car provides a groove for the placement of the telescopic handrail device; The telescopic handrail device includes a fixed seat arranged on the inner wall of the car, a guide sliding telescopic support rod and an armrest plate; the fixed seat is provided with an in-place locker; the guide sliding telescopic support rod is provided with an expansion limit hole, and when the expansion limit hole moves below the in-place locker, it enters the expansion limit hole and is locked to maintain the extended use state of the telescopic handrail device.

2. The telescopic handrail of an elevator car according to claim 1, characterized in that: The guide sliding telescopic support rod includes curved guide heads at both ends, a middle plug-in sliding bar and a closed position lock; the expansion limiting holes are formed on the curved guide heads at both ends.

3. The telescopic handrail of an elevator car according to claim 2, characterized in that: The in-position locker includes a driving part, a locking tongue, and an elastic unit connecting the driving part and the locking tongue. With the help of the extension and retraction of the driving part, the locking tongue is disengaged from the expansion limit hole so that the guide sliding telescopic support rod can resume its active state.

4. The telescopic handrail of an elevator car according to claim 3, characterized in that: The driving part is an electromagnetic driving rod, a screw rod or a driving cylinder; and the driving part is connected to a controller.

5. The telescopic handrail of an elevator car according to claim 4, characterized in that: There are two middle plug-in sliding bars, and the fixing seat provides a receiving guide groove for the middle plug-in sliding bar.

6. The telescopic handrail of an elevator car according to claim 5, characterized in that: The guide sliding telescopic support rod forms a travel groove, and one end of the travel groove is connected to the expansion limit hole.

Images