CN215752607U

CN215752607U - Pedal type steering column with front and rear angle adjustment

Info

Publication number: CN215752607U
Application number: CN202121895697.5U
Authority: CN
Inventors: 宁光; 许超; 田兴彬
Original assignee: Taian Zhongchao Machinery Co ltd
Current assignee: Taian Zhongchao Machinery Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-02-08
Anticipated expiration: 2031-08-13

Abstract

The utility model discloses a pedal type steering column with a front angle and a rear angle, which comprises a steering wheel, a sleeve pipe assembly, a base assembly and an angle adjusting assembly, wherein the steering wheel is connected to the upper end of the sleeve pipe assembly, the sleeve pipe assembly is hinged to the base assembly along the front direction and the rear direction, the angle adjusting assembly comprises a locking gas spring, a rotating shaft, a pedal, a driving lever and a return spring, two ends of the locking gas spring are respectively hinged to the sleeve pipe assembly and the base assembly, the rotating shaft is rotatably arranged on the base assembly, the pedal and the driving lever are both connected to the rotating shaft, the pedal faces the front side, and the driving lever faces the rear side. The utility model discloses utilize lever principle, set up the footboard and the driving lever that is used for promoting locking air spring thimble respectively in the both sides of pivot, when stepping on the footboard, the driving lever triggers the thimble of locking air spring simultaneously, makes the locking air spring be in adjustable state, and manual removes the steering column to required angle, can accomplish the regulation after loosening the footboard.

Description

Pedal type steering column with front and rear angle adjustment

Technical Field

The utility model relates to the technical field of steering systems, in particular to a pedal type steering column with a front angle and a rear angle adjusted.

Background

The height and the inclination of the steering column of present engineering machinery can not be adjusted mostly, the very big inconvenience that brings for driver and passenger, influence driver and passenger's driving experience, certainly can carry out position control's structure to the steering column now, but the mode that current regulation mode generally relies on screw thread locking carries out fixed connection, constructional device is complicated, require high to the performance of material, machining required precision is high, fatigue deformation takes place for spare part easily, consequently after long-time the use, locking mechanism effect is inefficacy easily, and present locking mechanism can not pin any angle and position again, there is certain defect in adjusting.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects and provide a pedal type steering column for adjusting the front angle and the rear angle, which can be used for adjusting any angle within a certain range and has a more labor-saving and more convenient adjusting mode.

The technical scheme adopted by the utility model is as follows:

a pedal type steering column with front and back angle adjustment, which comprises a steering wheel, a sleeve assembly, a base assembly and an angle adjusting assembly, the steering wheel is connected with the upper end of a sleeve pipe assembly, the sleeve pipe assembly is hinged on the base assembly along the front-back direction, the angle adjusting component comprises a locking gas spring, a rotating shaft, a pedal, a shifting rod and a return spring, two ends of the locking gas spring are respectively hinged on the sleeve component and the base component, and the thimble of the locking gas spring is positioned at one end of the connecting base component, the rotating shaft is rotatably arranged on the base component, the pedal and the deflector rod are both connected on the rotating shaft, the pedal faces to the front side, the deflector rod faces to the rear side, when the pedal is pressed down, the pedal drives the shifting rod to be lifted up through the rotating shaft, the ejector pin of the locking air spring is triggered through jacking, the locking air spring is enabled to be in an adjustable state, and the reset spring is used for pulling the shifting rod to be far away from the ejector pin of the locking air spring.

As a further optimization, the sleeve assembly comprises an outer sleeve, a central shaft and a universal joint, wherein a plurality of mounting frames for mounting the steering column are arranged on the outer sleeve, the central shaft is rotatably arranged in the outer sleeve, the steering wheel is connected to the upper end of the central shaft, the universal joint is connected to the lower end of the central shaft, the lower end of the outer sleeve is connected to the base assembly through a lower connecting frame, the outer sleeve is fixedly connected to the lower connecting frame, the lower connecting frame is hinged to the base assembly, and the upper end of the locking gas spring is connected to the outer sleeve through a connecting seat.

As a further optimization, the base assembly comprises a bottom plate and two side plates arranged on the bottom plate in parallel, wherein the two side plates are fixedly arranged on the bottom plate, a plurality of connecting shafts are arranged between the two side plates, the lower connecting frame is connected between the two side plates, the locking gas spring is arranged on the bottom plate through the connecting seat, and an intermediate shaft of the sleeve assembly penetrates through the bottom plate through the universal joint to be connected with the steering engine.

As a further optimization, the lower connecting frame is an inverted U-shaped plate, the outer sleeve is connected to the bottom surface of the lower connecting frame, the end part of the side surface of the lower connecting frame is hinged to the side plate, a limiting assembly is arranged between the side surface of the lower connecting frame and the side plate, the limiting assembly comprises a limiting groove arranged on the lower connecting frame and a limiting pin shaft arranged on the side plate, the limiting groove is an arc-shaped groove taking a hinge point of the lower connecting frame as a circle center, and the limiting pin shaft is movably arranged in the limiting groove.

As a further optimization, the rotating shaft of the utility model is fixedly provided with an extension rod, and the return spring is connected between the extension rod and the sleeve assembly.

As a further optimization, the pedal is arranged at one end of the rotating shaft and is positioned at one side of the base assembly.

As a further optimization, the pedal of the utility model is provided with an anti-mistaken stepping assembly, the anti-mistaken stepping assembly comprises a fixed sleeve and a trigger rod, the fixed sleeve is sleeved on the rotating shaft, and is fixedly connected on the base component, the trigger bar is arranged on the rotating shaft in a sliding way along the axial direction of the rotating shaft, an ejection spring is arranged between the fixed sleeve and the rotating shaft, the trigger rod comprises an axial section and a radial section, an L-shaped sliding groove is arranged on the fixed sleeve, one edge of the sliding groove is along the axial direction of the fixed sleeve, the other edge of the sliding groove is along the circumferential direction of the fixed sleeve, the radial section of the trigger rod is positioned in the sliding groove, when the ejection spring is in a natural state, the radial section of the trigger rod is positioned in the axial section of the chute, the end part of the trigger rod protrudes out of the side surface of the pedal, when the end of the trigger lever is pressed inward, the radial section of the trigger lever enters the circumferential section of the slide groove.

The utility model has the following advantages:

1. the utility model utilizes the lever principle, the pedal and the deflector rod for pushing the ejector pin of the locking air spring are respectively arranged at the two sides of the rotating shaft, when the pedal is stepped, the deflector rod triggers the ejector pin of the locking air spring at the same time, so that the locking air spring is in an adjustable state, the steering column is manually moved to a required angle, and the adjustment can be completed after the pedal is released;

2. the utility model is convenient to adjust by a pedal adjusting mode, saves time and labor and can realize stepless adjustment within an adjustable angle range.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

The utility model is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic overall structure diagram according to a first embodiment;

FIG. 2 is an enlarged view of the lower half structure according to the first embodiment;

FIG. 3 is an enlarged schematic view of an angle adjustment assembly according to the first embodiment;

FIG. 4 is an enlarged view of a connection structure between the bottom plate and the lower connection frame according to the first embodiment;

fig. 5 is a schematic structural diagram of the false step prevention assembly according to the second embodiment.

Wherein: 1. the steering wheel, 2, a sleeve assembly, 3, a base assembly, 4, a locking gas spring, 5, a mounting rack, 6, a pedal, 7, a lower connecting rack, 8, a universal joint, 9, a reset spring, 10, a rotating shaft, 11, a driving lever, 12, an extension rod, 13, a trigger rod, 14, a fixing sleeve, 2-1, an outer sleeve, 3-1, a bottom plate, 3-2, a side plate, 3-3, a connecting shaft, 7-1, a limiting groove, 13-1, an axial section, 13-2, a radial section, 14-1 and a sliding groove.

Detailed Description

The present invention is further described in the following with reference to the drawings and the specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention, and the embodiments and the technical features of the embodiments can be combined with each other without conflict.

It is to be understood that the terms first, second, and the like in the description of the embodiments of the utility model are used for distinguishing between the descriptions and not necessarily for describing a sequential or chronological order. The "plurality" in the embodiment of the present invention means two or more.

The term "and/or" in the embodiment of the present invention is only an association relationship describing an associated object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, B exists alone, and A and B exist at the same time. In addition, the character "/" herein generally indicates that the former and latter associated objects are in an "or" relationship.

Example one

This embodiment provides a steering column of angle modulation around foot-operated, as shown in fig. 1, including steering wheel 1, sleeve subassembly 2 and base subassembly 3, steering wheel 1 connects in the upper end of sleeve subassembly 2, sleeve subassembly 2 articulates on base subassembly 3 along the fore-and-aft direction, sleeve subassembly 2 includes outer tube, center pin and universal joint 8, be provided with a plurality of mounting brackets 5 that are used for installing the steering column on outer tube 2-1, the center pin rotates and sets up in outer tube 2-1, steering wheel 1 connects in the upper end of center pin, universal joint 8 connects the lower extreme at the center pin, and the lower extreme of outer tube 2-1 sets up on base subassembly 3 through lower connecting bracket 7, and the jackshaft of sleeve subassembly 2 passes through universal joint 8 and base subassembly 3 is connected with the steering wheel. The base component 3 comprises a bottom plate 3-1 and two side plates 3-2 arranged on the bottom plate 3-1 in parallel, the two side plates 3-2 are both fixedly arranged on the bottom plate 3-1, a plurality of connecting shafts 3-3 are arranged between the two side plates 3-2, the lower connecting frame is arranged between the two side plates, the lower connecting frame 7 is an inverted U-shaped plate, the outer sleeve 2-1 is connected on the bottom surface of the lower connecting frame 7, the side surface of the lower connecting frame 7 is hinged with the side plates 3-2, and a limiting component is arranged between the lower connecting frame and the side plates 3-2, as shown in figure 4, the limiting component comprises a limiting groove 7-1 arranged on the lower connecting frame 7 and a limiting pin shaft arranged on the side plates, the limiting groove 7-1 is an arc-shaped groove taking a hinge point of the lower connecting frame 7 as a circle center, the limiting pin shaft is movably arranged in the limiting groove 7-1. As shown in fig. 2 and 3, an angle adjusting assembly is disposed between the sleeve assembly 2 and the base assembly, the angle adjusting assembly includes a locking gas spring 4, a rotating shaft 10, a pedal 6, a shift lever 11 and a return spring 9, two ends of the locking gas spring 4 are respectively hinged on an outer sleeve 2-1 of the sleeve assembly 2 and a bottom plate 3-1 of the base assembly 3, an ejector pin end of the locking gas spring 4 is located at the bottom plate 3-1 end of the base assembly 3, the rotating shaft 10 is rotatably disposed on two side plates 3-2, the pedal 6 and the shift lever 11 are both connected to the rotating shaft 10 and defined in a vehicle advancing direction, the pedal 6 faces to a front side, the shift lever 11 faces to a rear side, the pedal 6 is connected to one end of the rotating shaft 10 and located in a range outside the side plates 3-2, when the pedal 6 is pressed down, the pedal 6 drives the shift lever 11 to be lifted up through the rotating shaft 10, and the ejector pin of the locking gas spring 4 is triggered by jacking, so that the locking gas spring 4 is in an adjustable state, an extension rod 12 is fixedly arranged on the rotating shaft 10, and the reset spring 9 is connected between the extension rod and the lower mounting frame and is used for resetting through the elastic force of the reset spring 9 after the pedal 6 is stepped on.

Example two

As a preferred embodiment, compared with the first embodiment, the second embodiment has the main differences that: in this embodiment, the pedal is provided with an anti-false-stepping assembly, as shown in fig. 5, the anti-false-stepping assembly includes a fixed sleeve 14 and a trigger rod 13, the fixed sleeve 14 is sleeved on a rotating shaft 10 and is fixedly connected to a side plate 3-2, the trigger rod 13 is slidably disposed in the rotating shaft along an axial direction of the rotating shaft 10, an ejection spring is disposed between the trigger rod 13 and the rotating shaft 10, the trigger rod 13 includes an axial section 13-1 and a radial section 13-2, an L-shaped sliding slot 14-1 is disposed on the fixed sleeve 14, one edge of the sliding slot 14-1 is along the axial direction of the fixed sleeve 14, the other edge of the sliding slot 14-1 is along a circumferential direction of the fixed sleeve 14, the radial section 13-2 of the trigger rod 13 is located in the sliding slot, preferably, an inner side of the pedal may be provided with a flange, when the ejection spring is in a natural state, the radial section of the trigger rod 13 is located in the axial section of the sliding chute 14-1, the end part of the trigger rod 13 penetrates out of the flange of the pedal 6, the pedal is limited by the fixing sleeve when the pedal is stepped, the pedal cannot rotate, when the end part of the trigger rod 13 is pressed inwards, the radial section of the trigger rod 13 enters the circumferential section of the sliding chute 14-1, and when the pedal 6 is stepped, the radial section of the trigger rod 13 moves along the axial section of the sliding chute 14-1, and the pedal 6 can be stepped. When the inclination angle of the steering column needs to be adjusted, a user needs to lean against the pedal flange by feet first, the trigger rod 13 is pushed inwards, then the pedal 6 is stepped to enable the locking gas spring 4 to be in an adjustable state, the rotating column is manually rotated to a required position, the pedal 6 is loosened, and adjustment is completed.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the utility model is all within the protection scope of the utility model. The protection scope of the utility model is subject to the claims.

Claims

1. The utility model provides a steering column of angle modulation around foot-operated, includes steering wheel, thimble assembly and base subassembly, its characterized in that: still include angle adjusting part, the upper end at the sleeve subassembly is connected to the steering wheel, the sleeve subassembly articulates on base subassembly along the fore-and-aft direction, angle adjusting part includes locking air spring, pivot, footboard, driving lever and reset spring, the both ends of locking air spring articulate respectively on sleeve subassembly and base subassembly, and the thimble of locking air spring is located the one end of connecting base subassembly, the pivot is rotated and is set up on base subassembly, footboard and driving lever are all connected in the pivot, and the footboard is towards the front side, and the driving lever is towards the rear side, when pushing down the footboard, the footboard is chosen on driving the driving lever through the pivot to the thimble of locking air spring is triggered in the jacking, makes the locking air spring be in adjustable state, reset spring is used for the pulling driving lever to keep away from locking air spring thimble.

2. The pedal-type forward-backward angle-adjustable steering column according to claim 1, characterized in that: the sleeve subassembly includes outer tube, center pin and universal joint, be provided with a plurality of mounting brackets that are used for installing the steering column on the outer tube, the center pin rotates and sets up in the outer tube, the upper end at the center pin is connected to the steering wheel, the lower extreme at the center pin is connected to the universal joint, and the lower extreme of outer tube is connected on base subassembly through lower link, and outer tube fixed connection is on the link down, and lower link articulates on base subassembly, and the upper end of locking air spring is passed through the connecting seat and is connected on the outer tube.

3. The pedal-type forward-backward angle-adjustable steering column according to claim 2, characterized in that: the base component comprises a bottom plate and two side plates arranged in parallel on the bottom plate, the two side plates are fixedly arranged on the bottom plate, a plurality of connecting shafts are arranged between the two side plates, the lower connecting frame is connected between the two side plates, the locking air spring is arranged on the bottom plate through the connecting seat, and an intermediate shaft of the sleeve component passes through the universal joint which passes through the bottom plate and the steering engine.

4. The pedal-type forward-backward angle-adjustable steering column according to claim 3, characterized in that: the lower connecting frame is an inverted U-shaped plate, the outer sleeve is connected to the bottom surface of the lower connecting frame, the side end portion of the lower connecting frame is hinged to the side plates, a limiting assembly is arranged between the side plates and comprises a limiting groove and a limiting pin shaft, the limiting groove is arranged on the lower connecting frame, the limiting pin shaft is arranged on the side plates, the limiting groove is an arc-shaped groove, the hinge point of the lower connecting frame is the circle center, and the limiting pin shaft is movably arranged in the limiting groove.

5. The pedal-type forward-backward angle-adjustable steering column according to claim 1, characterized in that: an extension rod is fixedly arranged on the rotating shaft, and the reset spring is connected between the extension rod and the sleeve pipe assembly.

6. The pedal-type forward-backward angle-adjustable steering column according to claim 1, characterized in that: the footboard sets up in the one end of pivot, and is located one side of base subassembly.

7. The pedal-type forward-backward angle-adjustable pivot column according to claim 1, characterized in that: the pedal is provided with an anti-mistaken-stepping assembly, the anti-mistaken-stepping assembly comprises a fixed sleeve and a trigger rod, the fixed sleeve is sleeved on a rotating shaft and is fixedly connected to a base assembly, the trigger rod is arranged on the rotating shaft in a sliding mode along the axial direction of the rotating shaft, an ejection spring is arranged between the trigger rod and the rotating shaft, the trigger rod comprises an axial section and a radial section, an L-shaped sliding groove is formed in the fixed sleeve, one side of the sliding groove is located along the axial direction of the fixed sleeve, the other side of the sliding groove is located along the circumferential direction of the fixed sleeve, the radial section of the trigger rod is located in the sliding groove, when the ejection spring is in a natural state, the radial section of the trigger rod is located in the axial section of the sliding groove, the end portion of the trigger rod protrudes out of the side face of the pedal, and when the end portion of the trigger rod is pressed inwards, the radial section of the trigger rod enters the circumferential section of the sliding groove.