CN217705579U - Handrail assembly and working machine - Google Patents

Abstract

The utility model relates to a mechanical equipment technical field particularly, relates to a handrail assembly and operation machinery. Wherein, handrail assembly includes: the handrail comprises a handrail body, a first sliding piece, a second sliding piece and a connecting piece, wherein the first end of the second sliding piece can slide in the vertical direction relative to the first sliding piece, the second end of the second sliding piece is hinged to the first end of the connecting piece, so that the connecting piece can rotate in the horizontal direction relative to the second sliding piece, and the second end of the connecting piece is connected with the handrail body. The utility model discloses can adjust the height of handrail body and the angle of horizontal direction, so, to the driver of different height sizes and driving habit, can provide more comfortable arm support.

Description

Handrail assembly and working machine

Technical Field

The utility model relates to a mechanical equipment technical field particularly, relates to a handrail assembly and operation machinery.

Background

At present, many working machines adopt an electric control handle to carry out working operation, such as a land leveler, an excavator and a forklift. The electric control handle is generally assembled on two sides or one side of an armrest of a cab seat, and when a driver sits on the cab seat to perform operation, arms of the driver are placed on the armrest, so that the arms of the driver can be supported.

For a driver who needs to perform work for a long time, an appropriate height and horizontal direction of the armrest are important conditions for providing effective support. The existing handrail is generally fixed or can be adjusted in one direction only, and the arm support requirements of different drivers cannot be met due to the fact that the heights and the sizes of the drivers and the driving habits of the drivers are different.

SUMMERY OF THE UTILITY MODEL

The present invention aims to at least improve one of the technical problems existing in the prior art or the related art.

The utility model discloses a first aspect technical scheme provides a handrail assembly includes: the handrail comprises a handrail body, a first sliding piece, a second sliding piece and a connecting piece, wherein the first end of the second sliding piece can slide in the vertical direction relative to the first sliding piece, the second end of the second sliding piece is hinged to the first end of the connecting piece, so that the connecting piece can rotate in the horizontal direction relative to the second sliding piece, and the second end of the connecting piece is connected with the handrail body.

As an improvement of the armrest assembly in one aspect of the present invention, the first slider includes a sliding groove member, the second slider includes a sliding body, the first end of the sliding body is disposed in the sliding groove member, and can be opposite to the sliding groove member to slide in the up-down direction.

As an improvement of the armrest assembly of the present invention, the chute member includes a chute body and a cover plate, the cover plate is provided with a chute hole, and the chute body is connected to the cover plate;

the sliding body comprises a first bolt and a sliding block, the sliding block is arranged in the sliding groove body and can slide relative to the sliding groove body along the vertical direction, the first bolt penetrates through the sliding groove hole to be connected with the sliding block, the outer diameter of the sliding block is larger than the width of the sliding groove hole in the horizontal direction, and the first bolt can slide along the sliding groove hole along the vertical direction.

As an improvement of the armrest assembly in one aspect of the present invention, the second slider further includes a first hinge element, the connecting member includes a second hinge element and an armrest connecting member, the first hinge element is disposed on one side of the slider, the first bolt passes through the first end of the first hinge element, the cover plate is connected to the slider, the first bolt is connected to the first end of the first hinge element by a thread, the second end of the first hinge element is hinged to the first end of the second hinge element, so that the second hinge element can rotate along the horizontal direction, the second end of the second hinge element is hinged to the first end of the armrest connecting member so that the armrest connecting member can rotate along the horizontal direction or the vertical direction, and the second end of the armrest connecting member is connected to the armrest body.

As an improvement of the armrest assembly of the present invention in one aspect, the armrest connector includes a slot seat and a guide rail, the guide rail with armrest body fixed connection, the slot seat with the second end of the second articulated element is articulated, the guide rail with slot seat sliding connection makes the armrest body can be relative the slot seat moves along the front-back direction.

As the utility model discloses an improvement of handrail assembly on the one hand, handrail connecting piece still includes the second bolt, the activity of second bolt is located on the groove seat, selectively be close to or keep away from the guide rail to locking or pine take off the guide rail.

As an improvement of the armrest assembly of the present invention in one aspect, the first bolt is kept away from the one end of the slider is provided with a handle.

As an improvement of the armrest assembly of the present invention in one aspect, the armrest assembly further includes a trim cover, the first end of the first hinge element is disposed in the trim cover, and the sliding body passes through the trim cover the first end of the first hinge element and the chute member.

As an improvement of the armrest assembly of the present invention in one aspect, further comprises an installation member, the first slider is fixedly connected to the installation member, and the installation member is fixedly connected to the seat.

The utility model discloses a handrail assembly, include: the handrail body, first slider, second slider and connecting piece, the second end and the handrail body coupling of connecting piece, the first end of second slider can slide along upper and lower direction first slider relatively, can adjust the height of handrail body, the second end of second slider is articulated with the first end of connecting piece, it is relative to make the connecting piece rotate along the horizontal direction second slider relatively, can adjust the angle of handrail body horizontal direction, therefore, driver to different height sizes and driving habits, can provide more comfortable arm support.

A second aspect of the present invention provides a working machine, which includes a seat and an armrest assembly according to any one of the above aspects, wherein the armrest assembly is connected to the seat.

Since the working machine is provided with the armrest assembly, the working machine has all the technical effects of the armrest assembly, and the detailed description is omitted.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a handrail assembly according to an embodiment of the present invention;

fig. 2 is a second schematic structural diagram of the armrest assembly according to the embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the components in fig. 1 to 2 is as follows:

100 an armrest body; 110 armrest seating surfaces; 120 handrail lower cover;

200 a decorative cover; 210 a chute member; 211 a chute body;

212 a cover plate; 2121 sliding slot holes; 220 a sliding body;

221 a first bolt; 2211 a handle; 222 a slider;

230 a first hinge; 231 a third bolt; 300 a second connector;

310 a second hinge; 320 an armrest connector; 321 a slot seat;

322 a guide rail; 323 a second bolt; 400 mounting member.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

It should be noted that the present disclosure relates to a handrail assembly for a road roller, a grader, a shovel, a forklift, or other work machine with similar work requirements. For convenience of description, the armrest assembly of the present invention will be described below with reference to a motor grader as an example.

As shown in fig. 1, in an embodiment of the armrest assembly, the armrest assembly includes an armrest body 100, a first slider, a second slider, and a connecting member 300, wherein a first end of the second slider can slide in a vertical direction with respect to the first slider, a second end of the second slider is hinged to a first end of the connecting member 300, such that the connecting member 300 can rotate in a horizontal direction with respect to the second slider, and a second end of the connecting member 300 is connected to the armrest body 100.

According to different operation demands, a seat is arranged in a cab of some operation machines, the armrest assembly can be arranged on the seat of the cab, the first sliding piece is fixedly connected with the seat, the cab of some operation machines does not have the seat, a driver needs to stand to operate, the armrest assembly can be arranged on the inner wall or the floor of the cab, and the first sliding piece is fixedly connected with the inner wall or the floor of the cab to support arms of the driver. The armrest assembly will be described below as being mounted on a cab seat.

The first sliding member is fixedly connected to the seat, and the first end of the second sliding member can slide in the vertical direction relative to the first sliding member, so that the height of the armrest body 100 relative to the seat can be adjusted. Drivers with different body heights and body sizes have different requirements on the height of the armrest assembly, and when the driver operates the grader to operate and needs higher armrest support, the first end of the second sliding member can slide upwards relative to the first sliding member, so that the height of the armrest body 100 is increased; accordingly, when the driver needs a shorter armrest support, the first end of the second slider is slid downward relative to the first slider, and the height of the armrest body 100 is reduced. In this way, a more comfortable arm support can be provided to the driver.

The conventional armrest assembly is oriented vertically to the cab, but when the driver operates the grader, the arm is not perpendicular to the cab, and there is a certain angular deviation, so that the armrest body 100 cannot provide a large area of support for the arm. In this embodiment, the second end of the second slider is hinged to the first end of the link 300, so that the link 300 can rotate in the horizontal direction with respect to the second slider. Therefore, the left and right angles of the armrest body 100 in the horizontal direction can be adjusted according to the placement of the arms of the driver, and the armrest body 100 can provide large-area support for the arms of the driver so as to provide more comfortable arm support for the driver.

The utility model discloses a handrail assembly not only can adjust the height of handrail body 100, can also adjust handrail body 100 horizontal direction's angle of controlling, can provide the more comfortable arm support of driver.

Specifically, the first sliding part can be a groove seat structure, the second sliding part can be a guide rail structure matched with the groove seat structure, the first sliding part and the second sliding part are connected with the guide rail structure in a sliding mode through the groove seat structure, and the second sliding part can slide relative to the first sliding part in the vertical direction.

In a preferred embodiment of the present invention, the first sliding member includes a sliding groove member 210, the second sliding member includes a sliding body 220, and a first end of the sliding body 220 is disposed in the sliding groove member 210 and can slide in an up-and-down direction with respect to the sliding groove member 210.

Through the cooperation of the chute member 210 and the sliding body 220, the sliding body 220 can slide in the vertical direction relative to the chute member 210, the structure is simple and easy to realize, and the height of the armrest body 100 can be adjusted, so that more comfortable arm support is provided for a driver.

Specifically, the armrest assembly further includes a mounting member 400, the mounting member 400 being adapted to be fixedly coupled to the seat, and the chute member 210 being fixedly coupled to the mounting member 400. The chute member 210 is fixedly connected with the seat through the mounting member 400, and the seat does not need to be additionally provided with a connecting structure matched with the chute member 210. The mounting member 400 can be provided with a plurality of groups of mounting holes, so that different mounting requirements of the chute member 210 are facilitated, the seat structure does not need to be adjusted, the armrest assembly is easy to mount and dismount, and meanwhile, the mounting member 400 is configured, so that the rest of components of the armrest assembly can be more flexibly selected in position.

In a preferred embodiment of the present invention, the chute member 210 includes a chute body 211 and a cover plate 212, the cover plate 212 is provided with a chute hole 2121, and the chute body 211 is connected to the cover plate 212; the sliding body 220 includes a first bolt 221 and a slider 222, the slider 222 is disposed in the sliding chute body 211 and can slide in the vertical direction relative to the sliding chute body 211, the first bolt 221 passes through the sliding chute hole 2121 to be connected to the slider 222, the outer diameter of the slider 222 is larger than the width of the sliding chute hole 2121 in the horizontal direction, and the first bolt 221 can slide in the vertical direction along the sliding chute hole 2121.

The chute body 211 and the cover plate 212 can be fixedly connected through bolts, and the cover plate 212 is arranged on one side of the opening of the chute body 211, so that dust and sundries can be prevented from falling into the chute. The slider 222 has an outer diameter larger than the width of the slide groove hole 2121 in the horizontal direction, and prevents the slider 222 from falling out of the slide groove hole 2121.

The sliding body 220 includes a first bolt 221 and a slider 222, the slider 222 is disposed in the sliding chute body 211 and can slide in the vertical direction relative to the sliding chute body 211, that is, the sliding chute body 211 and the cover plate 212 enclose a region to allow the slider 222 to slide in the sliding chute body 211 in the vertical direction, and the slider 222 may be annular or block-shaped. The first bolt 221 can slide along the slide groove hole 2121 in the vertical direction, and the outer diameter of the slider 222 is larger than the width of the slide groove hole in the horizontal direction. The first bolt 221 can drive the sliding block 222 to slide in the sliding groove body 211 along the up-down direction, and the first bolt 221 can pass through the sliding groove hole 2121 to be connected with the sliding block 222 by a thread, and can also be fixedly connected with the sliding block 222. When the height of the armrest assembly needs to be adjusted, the sliding block 222 does not abut against the cover plate 212, an upward or downward force is applied to the first bolt 221, and the first bolt 221 slides along the sliding slot hole 2121 in the up-and-down direction to drive the sliding block 222 to slide up and down relative to the chute body 211; after the height of the armrest assembly is adjusted, the height of the armrest assembly needs to be fixed, and the first bolt 221 is screwed to move the slider 222 toward the cover plate 212 until the slider tightly abuts against the cover plate 212, so that the height of the armrest assembly is more stably fixed and locked.

In a preferred embodiment of the present invention, the second sliding member further includes a first hinge 230, the connecting member 300 includes a second hinge 310 and an armrest connecting member 320, the first hinge 230 is disposed on a side of the cover plate 212 away from the slider 222, the first bolt 221 passes through a first end of the first hinge 230, the cover plate 212 is connected to the slider 222, the first bolt 221 is threadedly connected to a first end of the first hinge 230, a second end of the first hinge 230 is hinged to a first end of the second hinge 310, so that the second hinge 310 can rotate in a horizontal direction relative to the first hinge 230, a second end of the second hinge 310 is hinged to a first end of the armrest connecting member 320, so that the armrest connecting member 320 can rotate in a horizontal direction or in an up-down direction relative to the second hinge 310, and a second end of the armrest connecting member 320 is connected to the armrest body 100.

The first bolt 221 is threadedly coupled to a first end of the first hinge 230, and when the first bolt 221 is screwed to move the slider 222 toward the cover plate 212, the first hinge 230 is always pressed against the cover plate 212 until the slider 222 tightly abuts against the cover plate 212, so that the armrest assembly is more stably fixed and locked.

The second end of the first hinge 230 is hinged to the first end of the second hinge 310, so that the second hinge 310 can rotate in the horizontal direction relative to the first hinge 230, as shown in fig. 2, and thus, the left and right angles of the armrest body 100 in the horizontal direction can be adjusted. Specifically, a locking mechanism may be disposed at the hinge joint of the second hinge 310 and the first hinge 230, for example, a third bolt 231 is disposed as the locking mechanism, when the third bolt 231 is tightened, the second hinge 310 and the first hinge 230 are locked and fixed, and when the third bolt 231 is loosened, the horizontal angle of the armrest body 100 may be adjusted by the second hinge 310 and the first hinge 230 according to the requirement.

The second end of the second hinge 310 is hinged to the first end of the armrest connector 320, so that when the armrest connector 320 can rotate in the horizontal direction relative to the second hinge 310, the adjustment of the horizontal angle of the armrest body 100 can be increased, and more comfortable support can be provided; the second end of the second hinge 310 is hinged to the first end of the armrest connector 320, so that the armrest connector 320 can adjust the vertical angle of the armrest body 100 when rotating in the vertical direction relative to the second hinge 310, and thus, the armrest assembly can not only adjust the height, but also adjust the horizontal angle and the vertical angle, and provide more comfortable support for the driver.

A bolt structure may be provided to lock at the hinge joint of the second end of the second hinge 310 and the first end of the handle link 320.

In a preferred embodiment of the present invention, the handle connector 320 includes a slot seat 321 and a guide rail 322, the guide rail 322 is fixedly connected to the handle body 100, the slot seat 321 is hinged to the second end of the second hinge 310, and the guide rail 322 is slidably connected to the slot seat 321, so that the handle body 100 can move in the front-back direction relative to the slot seat 321.

In this aspect, the slot seat 321 is hinged to the second end of the second hinge 310, such that the slot seat 321 can rotate in a horizontal direction with respect to the second hinge 310. Through the sliding connection of the slot seat 321 and the guide rail 322, the armrest body 100 can move relative to the slot seat 321 along the front-back direction, the front-back position of the armrest body 100 can be adjusted, the structure is simple and stable, and more comfortable arm support can be provided according to the operation habits of different drivers.

As shown in fig. 2, the armrest body 100 includes an armrest seat surface 110 and an armrest lower cover 120. The armrest seat surface 110 is a portion that contacts with an arm of a driver, and the armrest lower cover 120 may hide a portion of the armrest connector 320 therein for better appearance. Specifically, the guide rail 322 is disposed in the armrest lower cover 120 and connected to the bottom of the armrest seat surface 110, a portion of the slot seat 321 is disposed in the armrest lower cover 120, and another portion of the slot seat 321 is hinged to the second end of the second hinge member 310. Preferably, the armrest seating surface 110 may be curved to provide more comfortable support.

In a preferred embodiment of the present invention, the handle connector 320 further includes a second bolt 323 movably disposed on the slot seat 321 and selectively movable toward or away from the guide rail 322 to lock or unlock the guide rail 322.

When the second bolt 323 is far away from the guide rail 322, the guide rail 322 is in a loose state, and the relative front and back positions of the handrail body 100 can be adjusted by matching the slot seat 321 and the guide rail 322; when second bolt 323 approaches guide rail 322 until second bolt 323 abuts guide rail 322 tightly, guide rail 322 is in a locked state, and the relative positions of bezel 321 and guide rail 322 are fixed by second bolt 323.

Specifically, the slot seat 321 is provided with a threaded hole, the second bolt 323 can selectively get close to or get away from the guide rail 322 through the threaded hole, and when the second bolt 323 abuts against the guide rail 322, the front and rear positions of the armrest body 100 can be locked, so that convenience is brought to the operation of a driver. Simple structure, and the locking effect is better, and simultaneously, the threaded connection between second bolt 323 and the screw hole can also prevent that second bolt 323 from dropping when adjusting the front and back position of handrail body 100, second bolt 323. Preferably, a handle structure may be disposed at an end of the second bolt 323 away from the guide rail 322, so as to facilitate screwing of the second bolt 323.

In a preferred embodiment of the present embodiment, a handle 2211 is disposed at an end of the first bolt 221 away from the slider 222.

When adjusting the height of the armrest body 100, it is necessary to perform a tightening or loosening operation on the first bolt 221, and also to apply an upward or downward force to the first bolt 221. The handle 2211 is arranged at one end of the first bolt 221 far away from the sliding block 222, and a driver can directly screw or unscrew the first bolt 221 through the handle 2211 without using other tools, so that the operation is more convenient.

In a preferred embodiment of the present invention, the sliding door further includes a decorative cover 200, a first end of the first hinge 230 is disposed in the decorative cover 200, and the sliding body 220 passes through the decorative cover 200 and the first end of the first hinge 230 to be connected to the sliding groove member 210.

The armrest assembly further includes a decorative cover 200, and the first end of the first hinge 230 is hidden in the decorative cover 200, so that sundries can be prevented from falling into the chute member 210, and the armrest assembly is more beautiful in structure.

To sum up, the utility model discloses a handrail assembly includes handrail body 100, first slider, second slider and connecting piece 300, the second end and the handrail body 100 of connecting piece 300 are connected, the first end of second slider can slide along upper and lower direction relatively first slider, can adjust handrail body 100's height, the second end of second slider is articulated with the first end of connecting piece 300, make connecting piece 300 can rotate along the horizontal direction relatively the second slider, can adjust handrail body 100 horizontal direction's angle, thus, driver to different heights and driving habits, can provide more comfortable arm support.

The embodiment of the utility model also provides a working machine, including the armrest subassembly of seat and the arbitrary scheme in the above-mentioned embodiment, armrest subassembly is connected with the seat. The work machine may be a grader or a compactor.

The utility model discloses an operation machinery owing to be equipped with foretell handrail assembly, therefore has foretell handrail assembly's whole technological effect, no longer gives unnecessary details here.

The technical solution of the present invention is described in detail above with reference to the accompanying drawings. In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and simplification of description, rather than indicating or implying that the indicated device or unit must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

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 (10)

1. An armrest assembly, comprising: the handrail comprises a handrail body (100), a first sliding piece, a second sliding piece and a connecting piece (300), wherein the first end of the second sliding piece can slide along the vertical direction relative to the first sliding piece, the second end of the second sliding piece is hinged with the first end of the connecting piece (300), so that the connecting piece (300) can rotate along the horizontal direction relative to the second sliding piece, and the second end of the connecting piece (300) is connected with the handrail body (100).

2. The armrest assembly according to claim 1, wherein the first slider comprises a chute member (210), and the second slider comprises a slider body (220), wherein a first end of the slider body (220) is disposed in the chute member (210) and is capable of sliding in an up-and-down direction with respect to the chute member (210).

3. The armrest assembly according to claim 2, wherein the chute member (210) comprises a chute body (211) and a cover plate (212), the cover plate (212) being provided with a chute hole (2121), the chute body (211) being connected to the cover plate (212);

the sliding body (220) comprises a first bolt (221) and a sliding block (222), the sliding block (222) is arranged in the sliding chute body (211) and can slide in the vertical direction relative to the sliding chute body (211), the first bolt (221) penetrates through the sliding chute hole (2121) to be connected with the sliding block (222), the outer diameter of the sliding block (222) is larger than the width of the sliding chute hole (2121) in the horizontal direction, and the first bolt (221) can slide in the vertical direction along the sliding chute hole (2121).

4. The handle assembly of claim 3, wherein the second slider further comprises a first hinge (230), the connecting member (300) comprises a second hinge (310) and a handle connecting member (320), the first hinge (230) is disposed on a side of the cover plate (212) away from the slider (222), the first bolt (221) passes through a first end of the first hinge (230), the cover plate (212) is connected to the slider (222), the first bolt (221) is threadedly connected to a first end of the first hinge (230), a second end of the first hinge (230) is hinged to a first end of the second hinge (310) such that the second hinge (310) can rotate in a horizontal direction with respect to the first hinge (230), and a second end of the second hinge (310) is hinged to a first end of the handle connecting member (320) such that the handle connecting member (320) can rotate in a horizontal direction or an up-down direction with respect to the second hinge (310), and a second end of the handle connecting member (320) is connected to the handle body (100).

5. The handle assembly of claim 4, wherein the handle connector (320) comprises a slot (321) and a guide (322), the guide (322) is fixedly connected to the handle body (100), the slot (321) is hinged to the second end of the second hinge (310), and the guide (322) is slidably connected to the slot (321) such that the handle body (100) can move in a forward and backward direction relative to the slot (321).

6. The handle assembly of claim 5, wherein the handle connector (320) further comprises a second bolt (323), the second bolt (323) movably disposed on the slot seat (321) and selectively movable toward or away from the guide rail (322) to lock or unlock the guide rail (322).

7. The armrest assembly according to any of claims 3-6, characterized in that an end of the first bolt (221) remote from the slider (222) is provided with a handle (2211).

8. The handle assembly of any of claims 4-6, further comprising a trim cover (200), wherein a first end of the first hinge member (230) is disposed within the trim cover (200), and wherein the sliding body (220) is connected to the chute member (210) through the trim cover (200) and the first end of the first hinge member (230).

9. The armrest assembly according to any of claims 1-6, further comprising a mount (400), the first slide being fixedly connected to the mount (400), the mount (400) being for fixed connection to a seat.

10. A work machine comprising a seat and an armrest assembly as claimed in any one of claims 1-9, the armrest assembly being coupled to the seat.

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