CN213799638U

CN213799638U - Lifting pedal

Info

Publication number: CN213799638U
Application number: CN202022969721.7U
Authority: CN
Inventors: 韩文; 周契舟; 刘荣夫; 叶正兵
Original assignee: Hunan Lince Rolling Stock Equipment Co Ltd
Current assignee: Hunan Lince Rolling Stock Equipment Co Ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-07-27
Anticipated expiration: 2030-12-11

Abstract

The utility model provides a lift is pedal, including pedal mount, elevating system and the pedal cover body, pedal mount includes two relative and vertical setting's L type backup pad and is used for connecting the supporting beam subassembly of two L type backup pads, elevating system includes lift power component and elevating movement subassembly, lift power component is including can lock air spring and control switch, can lock the air spring slope setting, and one end is passed through control switch and is connected with the supporting beam subassembly, and the other end is connected with the elevating movement subassembly, the pedal cover body sets up in the elevating system top, and is equipped with the hole structure that is used for control switch to wear out on the pedal cover body. The lift pedal can realize the free adjustment of co-altitude not, satisfy the high demand of bracket that driver and crew are different, improve driver and crew comfort.

Description

Lifting pedal

Technical Field

The utility model relates to a rail locomotive technical field, concretely relates to it is pedal to go up and down.

Background

The existing railway vehicle cab pedals are mostly fixed pedals with simple structures, and the positions of the pedals are fixed and cannot be adjusted. For drivers and passengers with short height, the feet of the drivers and passengers cannot be stained with the pedals, the legs of the drivers and passengers are easy to fatigue after long-time driving, and the drivers and passengers are not favorable for safe driving. Therefore, in order to meet the requirements of different leg rest heights of drivers and passengers, improve the comfort of the drivers and passengers and realize the free adjustment of different heights of the pedals, a lifting pedal needs to be developed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lifting pedal, concrete technical scheme is as follows:

the utility model provides a lift is pedal, includes pedal mount, elevating system and the pedal cover body, pedal mount includes two relative and vertical setting's L type backup pad and is used for connecting the supporting beam subassembly of two L type backup pads, elevating system includes lift power component and lifting motion subassembly, lift power component is including can lock air spring and control switch, can lock air spring slope setting, and one end is passed through control switch and is connected with the supporting beam subassembly, and the other end is connected with the lifting motion subassembly, the pedal cover body sets up in the elevating system top, and is equipped with the pore structure that is used for control switch to wear out on the pedal cover body.

Preferably, prop the roof beam subassembly and include that first prop roof beam, second prop roof beam, third prop roof beam and fourth prop the roof beam, first prop roof beam and fourth prop the roof beam and set up respectively on the top and the end of two L type backup pads, the second props the knee of roof beam setting in two L type backup pads, the third props the roof beam setting and props between roof beam and the fourth in the second, but the gas spring passes through control switch and is connected with the fourth props the roof beam.

Preferably, the lift power component still includes the zip and sets up at installation sleeve and the release head that can lock the air spring both ends, the release head is connected with control switch through the zip, can lock the tip of air spring and fix in the installation sleeve and through installation sleeve and elevating movement subassembly rotatable coupling.

Preferably, the elevating movement subassembly includes pivot, rocking arm subassembly, guide arm and bearing assembly, the quantity of guide arm is two and the vertical setting of symmetry on first supporting beam, bearing assembly includes that two sets of and overlap respectively and establish on two guide arms, and the second supporting beam is passed at the guide arm top, the middle part and the installation sleeve rotatable coupling of pivot level setting and pivot, the rocking arm subassembly includes two sets of and the vertical setting of symmetry at the both ends of pivot, and the bottom and the second supporting beam of every rocking arm subassembly of group are connected, and the top is connected with the bearing assembly that is close to.

Preferably, the rocker arm assembly comprises an upper rocker arm and a lower rocker arm which are connected in an up-down rotatable mode, the lower rocker arm is of an inverted triangular structure, a bottom corner of the lower rocker arm is connected with the second supporting beam, a top corner close to the bearing assembly is connected with the rotating shaft, and a top corner far away from the bearing assembly is connected with the upper rocker arm.

Preferably, the lifting motion assembly further comprises two tension springs and a connecting beam, the two tension springs are symmetrically arranged between the two lower rocker arms and the third supporting beam respectively, the connecting beam is horizontally arranged, two ends of the connecting beam are connected with the two groups of bearing assemblies respectively, and the top of the upper rocker arm is connected with the connecting beam.

Preferably, the bearing assembly comprises a single bearing piece and a bearing support, the bearing support being disposed externally of the single bearing piece.

Preferably, the lockable gas spring is inclined at an included angle of 10-20 degrees with the horizontal direction.

Preferably, the pedal cover body comprises a pedal panel positioned at the top and a closed side plate extending downwards along the periphery of the pedal panel, the hole structure is arranged on the pedal panel, and the closed side plate is connected with the bearing assembly.

Use the technical scheme of the utility model, following beneficial effect has:

the lift pedal, after the control switch was stepped on to the driver and crew, can lock the gas spring unblock, under the spring action, the cylinder pole of can locking the gas spring pops out and provides thrust and realizes that the elevating movement subassembly is along guide arm upward movement to it rises to drive the pedal cover body. At the moment, when the driver and the passengers exert certain force by feet, the pedal cover body descends, and after the driver and the passengers adjust the position of the pedal cover body according to actual requirements, the control switch can be loosened to lock the position of the pedal cover body. The lift pedal can realize the free adjustment of co-altitude not, satisfy the high demand of bracket that driver and crew are different, improve driver and crew comfort.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic structural view of an internal form of a lifting pedal according to embodiment 1 of the present invention (a pedal cover is not shown in the figure);

FIG. 2 is a schematic structural view showing an external form of the elevating foot pedal according to embodiment 1 of the present invention;

the device comprises a pedal cover body 1, a pedal cover body 2, an L-shaped supporting plate 3, a lockable gas spring 4, a control switch 5, a first supporting beam 6, a second supporting beam 7, a third supporting beam 8, a fourth supporting beam 9, a zipper 10, an installation sleeve 11, a release head 12, a rotating shaft 13, a guide rod 14, an upper rocker arm 15, a lower rocker arm 16, a tension spring 17, a connecting beam 18, a bearing unit 19 and a bearing support.

Detailed Description

The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.

Example 1:

referring to fig. 1 and 2, a lifting pedal comprises a pedal fixing frame, a lifting mechanism and a pedal cover body 1, wherein the pedal fixing frame comprises two opposite and vertically arranged L-shaped supporting plates 2 and a supporting beam assembly used for connecting the two L-shaped supporting plates 2, the lifting mechanism comprises a lifting power assembly and a lifting motion assembly, the lifting power assembly comprises a lockable gas spring 3 and a control switch 4, the lockable gas spring 3 is obliquely arranged, one end of the lockable gas spring is connected with the supporting beam assembly through the control switch 4, the other end of the lockable gas spring is connected with the lifting motion assembly, the pedal cover body 1 is arranged above the lifting mechanism, a hole structure used for the control switch 4 to penetrate out is arranged on the pedal cover body 1, and the top of the pedal cover body 1 is used for placing a foot for drivers and passengers. In the embodiment, the lockable gas spring 3 is used as a power source, and can be started by one key through the control switch 4, so that the operation is simple, and the pedal cover body 1 can be quickly lifted.

It includes that first supporting beam 5, second support roof beam 6, third support roof beam 7 and fourth support roof beam 8 to prop the roof beam subassembly, first supporting beam 5 and fourth support roof beam 8 are respectively through the screw setting on the top and the end of two L type backup pads 2, second support roof beam 6 is located at the inflection point of two L type backup pads 2 through the screw setting, third support roof beam 7 is through the screw setting between second support roof beam 6 and fourth support roof beam 8, but locking air spring 3 is connected with fourth support roof beam 8 through control switch 4. The supporting beam assembly and the two L-shaped supporting plates 2 form a pedal fixing frame through screws, so that the integral inclination or deformation of the lifting pedal caused by overlarge force applied by drivers and passengers is effectively avoided.

The lift power component still includes zip 9 and sets up installation sleeve 10 and release head 11 at can lock 3 both ends of air spring, release head 11 is connected with control switch 4 through zip 9, can lock the tip of air spring 3 and fix in installation sleeve 10 and through installation sleeve 10 and elevating movement subassembly rotatable coupling. The lifting power assembly can control the tightness of the release head 11 by controlling the zipper 9 through the pedal control switch 4, so that the lockable gas spring 3 can be released and locked, and power is provided for the ascending of the pedal cover body 1 and locking force is provided when the pedal cover body does not move.

The elevating movement subassembly includes pivot 12, rocker arm subassembly, guide arm 13 and bearing assembly, the quantity of guide arm 13 is two and the vertical setting of symmetry on first supporting beam 5, bearing assembly includes that two sets of and overlap respectively and establish on two guide arms 13, and guide arm 13 top passes the second supporting beam 6, pivot 12 level sets up and pivot 12 middle part and installation sleeve 10 rotatable coupling, the rocker arm subassembly includes two sets of and the vertical setting of symmetry at the both ends of pivot 12, and the bottom and the second supporting beam 6 of every rocker arm subassembly of group are connected, and the top is connected with the bearing assembly that is close to.

The rocker arm assembly comprises an upper rocker arm 14 and a lower rocker arm 15 which are connected in an up-down rotating mode, the lower rocker arm 15 is of an inverted triangular structure, the bottom corner of the lower rocker arm 15 is connected with the second supporting beam 6 through a pin and shaft elastic retainer ring, the top corner close to the bearing assembly is connected with the rotating shaft 12 through the pin and shaft elastic retainer ring, and the top corner far away from the bearing assembly is connected with the upper rocker arm 14 through the pin and shaft elastic retainer ring.

The elevating movement subassembly still includes extension spring 16 and tie-beam 17, the quantity of extension spring 16 is two and the symmetry setting respectively between two lower rocking arms 15 and third supporting beam 7, and extension spring 16's setting can provide the counter resistance when the rocking arm subassembly rises, and then the speed that restriction bearing assembly rises along guide arm 13, can effectively avoid control switch 4 inefficacy, and the lockable air spring 3 abnormal release that arouses to make pedal cover body 1 rise fast suddenly, cause personnel to receive startle and injury, tie-beam 17 level sets up and both ends are connected with two sets of bearing assemblies respectively, can effectively ensure the depth of parallelism and the straightness that hangs down after two guide arms 13 install, ensure that the elevating movement subassembly goes up and down smoothly, the top of going up rocking arm 14 is connected through round pin and axle circlip with tie-beam 17.

The bearing assembly comprises a bearing unit 18 and a bearing support 19, wherein the bearing support 19 is arranged outside the bearing unit 18.

The included angle that can lock 3 slopes when setting up of air spring and horizontal direction is 15, can effectively avoid because of can locking 3 oversize of air spring when installing perpendicularly, leads to the unable installation problem of cab operation panel up-down installation space undersize.

The pedal cover body 1 comprises a pedal panel positioned at the top and a closed side plate extending downwards along the periphery of the pedal panel, the hole structure is arranged on the pedal panel, the closed side plate is connected with the bearing assembly through screws, and the pedal cover body 1 moves up and down along with the bearing assembly.

The working principle of the lifting pedal in the embodiment is as follows:

when a driver steps on the control switch 4, the lockable gas spring 3 is unlocked through the zipper 9, under the action of elastic force, a cylinder rod of the lockable gas spring 3 is popped out to provide thrust to enable the rotating shaft 12 and the lower rocker arm 15 to rotate around a connecting point of the lower rocker arm 15 and the second supporting beam 6, the upper rocker arm 14 rotates along with the thrust, and the connecting beam 17 and the bearing assembly are driven to move upwards along the guide rod 13, so that the pedal cover body 1 is driven to ascend. At the moment, when the driver and the passengers exert certain force by feet, the pedal cover body 1 descends, and after the driver and the passengers adjust the position of the pedal cover body 1 according to actual requirements, the control switch 4 can be loosened to lock the position of the pedal cover body 1. The lift pedal can realize the free adjustment of co-altitude not, satisfy the high demand of bracket that driver and crew are different, improve driver and crew comfort.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a lift is pedal, a serial communication port, including pedal mount, elevating system and the pedal cover body, pedal mount includes two relative and vertical L type backup pads that set up and is used for connecting the strutbeam subassembly of two L type backup pads, elevating system includes lift power component and elevating movement subassembly, lift power component is including lockable air spring and control switch, the slope of lockable air spring sets up, and one end is passed through control switch and is connected with the strutbeam subassembly, and the other end is connected with the elevating movement subassembly, the pedal cover body sets up in the elevating system top, and is equipped with the hole structure that is used for control switch to wear out on the pedal cover body.

2. The lifting footrest of claim 1, wherein the support beam assembly comprises a first support beam, a second support beam, a third support beam and a fourth support beam, the first support beam and the fourth support beam are respectively disposed on the top ends and the ends of the two L-shaped support plates, the second support beam is disposed at the inflection point of the two L-shaped support plates, the third support beam is disposed between the second support beam and the fourth support beam, and the lockable gas spring is connected to the fourth support beam through a control switch.

3. The lifting footrest of claim 2, wherein the lifting power assembly further comprises a zipper, and a mounting sleeve and a release head provided at both ends of the lockable gas spring, the release head being connected to the control switch through the zipper, and an end portion of the lockable gas spring being fixed in the mounting sleeve and rotatably connected to the lifting movement assembly through the mounting sleeve.

4. The lifting pedal according to claim 3, wherein the lifting motion assembly comprises a rotating shaft, two rocker arm assemblies, two guide rods and a bearing assembly, the two guide rods are symmetrically and vertically arranged on the first supporting beam, the bearing assembly comprises two groups of guide rods which are respectively sleeved on the two guide rods, the tops of the guide rods penetrate through the second supporting beam, the rotating shaft is horizontally arranged, the middle part of the rotating shaft is rotatably connected with the mounting sleeve, the rocker arm assemblies comprise two groups of guide rods which are symmetrically and vertically arranged at two ends of the rotating shaft, the bottom of each rocker arm assembly is connected with the second supporting beam, and the tops of the rocker arm assemblies are connected with the adjacent bearing assembly.

5. The lifting footrest of claim 4, wherein the rocker arm assembly comprises an upper rocker arm and a lower rocker arm pivotally connected to each other, the lower rocker arm having an inverted triangular configuration, a bottom corner of the lower rocker arm being connected to the second support beam and a top corner of the lower rocker arm being connected to the pivot shaft proximate the bearing assembly and the top corner of the lower rocker arm being connected to the upper rocker arm distal from the bearing assembly.

6. The lifting pedal according to claim 5, wherein the lifting motion assembly further comprises two tension springs and a connecting beam, the two tension springs are respectively and symmetrically arranged between the two lower rocker arms and the third supporting beam, the connecting beam is horizontally arranged, two ends of the connecting beam are respectively connected with the two groups of bearing assemblies, and the top of the upper rocker arm is connected with the connecting beam.

7. The lifting footrest of claim 6, wherein the bearing assembly comprises a single bearing unit and a bearing support disposed on an exterior of the single bearing unit.

8. A lifting foot rest according to any one of claims 1-7, characterised in that said lockable gas spring is arranged at an angle of 10-20 ° to the horizontal.

9. The lifting footrest of claim 8, wherein the footrest housing comprises a footrest panel at the top and a closure side plate extending downwardly from a periphery of the footrest panel, the aperture structure being disposed in the footrest panel, the closure side plate being coupled to the bearing assembly.