Electric handrail framework structure
Through the design of the electric armrest frame structure, automatic adjustment is achieved by using a synchronous rod and an angle-adjusting motor, which solves the problem of inconvenience in manual adjustment of traditional rear armrests, improves riding comfort and safety, and has a compact and stable structure.
Patent Information
- Application Number
- CN202520858682.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-30
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-04-30
AI Technical Summary
Traditional rear armrests require manual adjustment, which is inconvenient and may cause passenger discomfort in complex road conditions, affecting ride comfort.
An electric handrail frame structure was designed, which uses a synchronizing rod and an angle-adjusting motor to achieve automatic adjustment. Combined with anti-detachment clips and motor mounting brackets, it ensures rotational stability and angle adjustment, and enhances support strength and installation stability.
It features electrically adjustable rear armrests, enhancing passenger comfort and ease of use, ensuring passenger safety in complex road conditions, and boasts a compact structure and high space utilization efficiency.
Smart Images

Figure CN223764285U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile parts, and particularly relates to an electric handrail framework structure. BACKGROUND
[0002] The rear-row handrail is a part of the automobile seat, and when it is retracted, it can be used as a part of the seat back, and when it is opened, it provides application functions (such as a cup holder and charging) for passengers. It is an important component of the automobile seat and has a positive influence on the comfort of passengers.
[0003] In the conventional rear-row handrail structure, manual adjustment is mostly used, and passengers need to pull out the rear-row handrail and turn it downward by themselves, which is inconvenient to use. Moreover, when the rear-row handrail is pulled out, the passenger cannot sit on the rear-row seat, and if the road condition is complex, such as sharp turning, a collision is likely to occur, which affects the comfort experience of the passenger. SUMMARY
[0004] The utility model aims at solving the technical problems in the prior art, and particularly innovatively provides an electric handrail framework structure, which can electrically adjust the rear-row handrail and improve the comfort of passengers.
[0005] In order to achieve the above-mentioned purpose, the utility model provides an electric handrail framework structure, which comprises a framework assembly, two sides of the rear end of the framework assembly are rotationally connected with mounting brackets through concentric hinges, and the mounting brackets are used for being mounted on a vehicle body; a synchronous rod is arranged between the two side plates of the rear end of the framework assembly, the two ends of the synchronous rod pass through the framework assembly and the concentric hinges, and a anti-dropping peg is arranged on the synchronous rod; a spline is arranged on the part of the synchronous rod passing through the framework assembly and the concentric hinges; and an electric rotating assembly is arranged at the middle part of the synchronous rod.
[0006] The electric rotating assembly comprises an angle adjusting motor and a motor mounting bracket for mounting the angle adjusting motor inside the framework assembly, the motor mounting bracket is in an n shape, the bottom ends of the two legs of the motor mounting bracket extend horizontally outward and are fixedly connected with the angle adjusting motor through bolts, and the n-shaped top of the motor mounting bracket is fixed to the inside of the framework assembly through bolts.
[0007] The framework assembly in the above-mentioned scheme is in a ring shape, which comprises a left framework, a right framework, a horizontal plate and an n-shaped tube welding pipe, the left and right ends of the horizontal plate are fixedly connected with the rear ends of the left and right frameworks, a pair of mounting lugs extending in sequence are arranged on the rear side of the horizontal plate; the two legs of the rear end of the n-shaped tube welding pipe are fixedly connected with the front ends of the left and right frameworks.
[0008] The left framework and the right framework are sheet metal parts bent by steel plates into C-shaped cross sections, and the C-shaped openings of the left framework and the right framework are oppositely arranged, and the rear ends of the two legs of the pipe-welded pipe are welded in the C-shaped openings.
[0009] In the above scheme: two installation cross beams are arranged between the two legs of the pipe-welded pipe in front and back, and the two installation cross beams are used for mounting the handrail shell, and the two ends of the two installation cross beams are respectively fixedly connected to the two legs of the pipe-welded pipe, and the two legs of the pipe-welded pipe form a quadrilateral structure through the installation cross beams. Forming a quadrilateral can improve the support strength, and the two installation cross beams can meet the mounting requirements of the handrail shell.
[0010] In the above scheme: the left and right ends of the front half of the rear installation cross beam are welded together with the two legs of the pipe-welded pipe n-shaped, and the left and right ends of the rear half are welded together, so that the rear installation cross beam covers the connection between the pipe-welded pipe and the left and right frameworks, and the mounting stability is increased.
[0011] In the above scheme: the rear end of the rear installation cross beam corresponds to the left and right frameworks and is bent upward to form a positioning part that leans on the left and right frameworks.
[0012] The part of the cross plate located at the rear side of the angle adjusting motor is bent rearward to form a yielding part.
[0013] In the above scheme: the rear side of the cross plate is provided with a mounting lug for mounting the handrail shell. The mounting stability of the handrail shell can be further improved.
[0014] In the above scheme: the front end of the pipe-welded pipe is bent upward to improve the support force.
[0015] In summary, the beneficial effects of the utility model are: the synchronous rod can rotate both ends of the framework assembly at the same time, and the rotation is stable. The anti-disengagement clamp can ensure stable installation of the synchronous rod and prevent disengagement. The angle adjusting motor can electrically rotate the rear row handrail, which is convenient to operate and improves passenger comfort. In addition, the angle can be adjusted according to passenger needs, and the angle is stably supported, which improves comfort and practicability. The motor mounting bracket can stably install the angle adjusting motor, thereby ensuring stable operation of the angle adjusting motor. The framework assembly occupies small space, is flexible in space, has simple structure, and the installation cross beam and the cross plate can ensure the support strength and connection stability of the framework assembly. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 is the explosion diagram of the utility model.
[0017] Fig. 2 is the perspective view of the utility model.
[0018] Fig. 3 is a left view of the utility model. DETAILED DESCRIPTION
[0019] The utility model will be further described below by examples and in conjunction with drawings:
[0020] As Figs. 1-3 shown, an electric handrail framework structure comprises a ring-shaped framework assembly, the front end of the framework assembly is a suspended end, and the rear end is a mounting end. Both sides of the rear end of the framework assembly are rotationally connected with mounting brackets 3 through concentric hinges 2, and the mounting brackets 3 are used for mounting on a vehicle body. A synchronous rod 10 is arranged between the two side plates of the rear end of the framework assembly, both ends of the synchronous rod 10 pass through the framework assembly and the concentric hinges 2, and a anti-dropping clip 5 is arranged. The part, where the synchronous rod 10 passes through the framework assembly and the concentric hinges 2, is provided with a spline, and the middle part of the synchronous rod 10 is provided with an electric rotating assembly.
[0021] The electric rotating assembly comprises an angle adjusting motor 9 and a motor mounting bracket 11 for mounting the angle adjusting motor 9 inside the framework assembly. The motor mounting bracket 11 is in an n shape, the bottom ends of the two legs of the motor mounting bracket 11 extend horizontally outward, and are fixedly connected with the angle adjusting motor 9 through bolts, and the n-shaped top of the motor mounting bracket 11 is fixed on the inside of the framework assembly through bolts.
[0022] The framework assembly comprises a left framework 1, a right framework 4, a horizontal plate 8 and an n-shaped tube-welded tube 7, the left and right ends of the horizontal plate 8 are fixedly connected with the rear ends of the left framework 1 and the right framework 4, a pair of mounting lugs extending in sequence are arranged on the rear side of the horizontal plate 8 in a left-right interval, and the left framework 1, the right framework 4, the horizontal plate 8 and the n-shaped tube-welded tube 7 form a ring-shaped structure. A pair of mounting lugs extending in sequence are arranged on the rear side of the horizontal plate 8 in a left-right interval, and the mounting lugs are used for mounting the handrail shell. The part of the horizontal plate 8 located at the rear side of the angle adjusting motor 9 is bent rearward to form a clearance part 8a.
[0023] The two legs of the n-shaped tube-welded tube 7 are fixedly connected with the front ends of the left framework 1 and the right framework 4.
[0024] The left framework 1 and the right framework 4 are both sheet metal parts bent from steel plates into C-shaped cross sections, the C-shaped openings of the left framework 1 and the right framework 4 are oppositely arranged, and the rear ends of the two legs of the tube-welded tube 7 are welded in the C-shaped openings. The front end of the tube-welded tube 7 is bent upward to improve the supporting force and improve the light weight.
[0025] Two installation cross beams 6 are arranged in front of and behind the two legs of the pipe-welded pipe 7n type, and are used for installing the handrail shell. The two ends of the two installation cross beams 6 are fixedly connected to the two legs of the pipe-welded pipe 7 respectively, and form a quadrilateral structure for the two legs of the pipe-welded pipe 7 through the installation cross beams 6.
[0026] The left and right ends of the front half of the rear installation cross beam 6 are welded to the two legs of the pipe-welded pipe 7n type, and the left and right ends of the rear half are welded to the left and right frames respectively, so that the rear installation cross beam 6 covers the connection between the pipe-welded pipe 7 and the left and right frames, and increases the installation stability. The rear end of the rear installation cross beam 6 is bent upwards corresponding to the left and right frames, and forms a positioning part which is placed on the left and right frames.
Claims
1. A power handrail framework structure, comprising a framework assembly, both sides of the rear end of the framework assembly are rotationally connected with mounting brackets (3) through concentric hinges (2), the mounting brackets (3) are used for mounting on a vehicle body; characterized in that: Synchronous rod (10) is arranged between the two side plates of the rear end of the framework assembly, the two ends of the synchronous rod (10) pass through the framework assembly and concentric hinge (2), and are provided with anti-off clips (5); the part where the synchronous rod (10) passes through the framework assembly and concentric hinge (2) is provided with a spline, and the middle part of the synchronous rod (10) is provided with an electric rotating assembly; The electric rotating assembly comprises an angle adjusting motor (9) and a motor mounting bracket (11) for mounting the angle adjusting motor (9) on the inside of the framework assembly, the motor mounting bracket (11) is n-shaped, the bottom ends of the two legs of the motor mounting bracket (11) extend outward horizontally and are fixedly connected with the angle adjusting motor (9) through bolts, and the n-shaped top of the motor mounting bracket (11) is fixed on the inside of the framework assembly through bolts.
2. An electrically powered handrail framework structure according to claim 1, characterised in that: The framework assembly is a ring structure, comprising a left framework (1), a right framework (4), a horizontal plate (8) and an n-shaped tube welding pipe (7), the left and right ends of the horizontal plate (8) are fixedly connected with the rear ends of the left framework (1) and the right framework (4) respectively, and a pair of mounting lugs extending in sequence are arranged on the rear side of the horizontal plate (8) with a certain interval left and right; the two legs of the n-shaped tube welding pipe (7) are fixedly connected with the front ends of the left framework (1) and the right framework (4) respectively. The left framework (1) and the right framework (4) are both sheet metal parts with C-shaped cross section formed by bending steel plates, and the C-shaped openings of the left framework (1) and the right framework (4) are oppositely arranged, and the rear ends of the two legs of the tube welding pipe (7) are welded in the C-shaped openings.
3. An electrically powered handrail framework structure according to claim 2, wherein: Two installation cross beams (6) are arranged between the two legs of the n-shaped tube welding pipe (7) with a certain interval front and back, and the two installation cross beams (6) are used for mounting the handrail shell, and the two ends of the two installation cross beams (6) are fixedly connected with the two legs of the tube welding pipe (7) respectively, and the two legs of the tube welding pipe (7) form a quadrilateral structure through the installation cross beams (6).
4. An electrically powered handrail framework structure according to claim 3, wherein: The left and right ends of the front half of the rear installation cross beam (6) are welded with the two legs of the n-shaped tube welding pipe (7), and the left and right ends of the rear half are welded together, so that the rear installation cross beam (6) covers the connection between the tube welding pipe (7) and the left and right frameworks.
5. An electrically powered handrail framework structure according to claim 3, wherein: The rear end of the rear installation cross beam (6) is bent upward corresponding to the left and right frameworks, forming a positioning part on the left and right frameworks; The part of the horizontal plate (8) located at the rear side of the angle adjusting motor (9) is bent rearward, forming a yielding part (8a).
6. An electrically powered handrail framework structure according to claim 3, wherein: The front end of the tube welding pipe (7) is bent upward.