CN214118055U

CN214118055U - Foldable handrail device

Info

Publication number: CN214118055U
Application number: CN202022808550.XU
Authority: CN
Inventors: 陈健; 李广伟; 郑友华; 陈旭; 汤晋
Original assignee: Lingbayi Electronic Group Sichuan Honglun Machinery Co ltd
Current assignee: Lingbayi Electronic Group Sichuan Honglun Machinery Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-09-03
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses a collapsible handrail device, include: mounting platform, two vaulting poles and the handrail that are parallel to each other, the bottom and the mounting platform of vaulting pole are articulated, and the top and the handrail of vaulting pole are articulated, and articulated department all is equipped with the retaining member of adjustable locking degree, and the horizontal interval between two vaulting poles is greater than the height when the vaulting pole is vertical to be placed. Through using the utility model provides a collapsible armrest apparatus when both can improving handrail mechanism stability, can reduce the occupation space of handrail again, and this device simple structure, convenient to use can use widely.

Description

Foldable handrail device

Technical Field

The utility model relates to a handrail technical field, more specifically say, relate to a collapsible handrail device.

Background

Among the prior art, shelter aluminium alloy ladder does not set up handrail structure hardly, leads to the structural security lower, and a small number of shelter aluminium alloy ladders are equipped with unilateral handrail structure, but this handrail structure's stability is not high, rocks easily, and the space that this handrail structure need occupy is great, and the user of being inconvenient for uses.

In summary, how to reduce the occupied space of the armrest while improving the stability of the armrest mechanism is an urgent problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a collapsible handrail device, when both can improve handrail mechanism stability, can reduce the occupation space of handrail again, and this device simple structure, convenient to use can use widely.

In order to achieve the above object, the present invention provides the following technical solutions:

a foldable armrest apparatus, comprising: the installation platform, two vaulting poles and handrails that are parallel to each other, the bottom of vaulting pole with the installation platform is articulated, the top of vaulting pole with the handrail is articulated, and articulated department all is equipped with the retaining member of adjustable locking degree, two horizontal interval between the vaulting pole is greater than the height when the vaulting pole is vertically placed.

Preferably, the mounting platform is provided with an articulated support for mounting the bottom end of the stay bar, and the locking member comprises a first locking member arranged on the articulated support.

Preferably, the retaining member is still including locating the top of vaulting pole with the second retaining member of the articulated department of handrail, the second retaining member is equipped with the protrusion piece, mounting platform correspond be equipped with be used for with the locking of protrusion piece cooperation joint is detained.

Preferably, the mounting platform is provided with a stop block for limiting and supporting the armrest when the armrest is flatly placed.

Preferably, the mounting platform is provided with two stop blocks, the stop blocks are arranged corresponding to the locking buckles, and the height difference between the stop blocks and the locking buckles is the same as the height of the support rods when the support rods are horizontally placed.

Preferably, the mounting platform, the stay bar and the handrail are all made of aluminum material.

Preferably, the locking member is a latch member.

Use the utility model provides a during collapsible armrest apparatus, if need expand the handrail, then can upwards stimulate the handrail, drive two vaulting poles then and rotate along mounting platform, when two equal perpendicular mounting platform of vaulting pole, reuse retaining member locking articulated department, avoid the vaulting pole to continue to rotate, handrail this moment is on a parallel with mounting platform setting, it can effectively exert the supporting role, improve the security of shelter aluminium alloy ladder, and in addition, this handrail structure designs according to the parallelogram principle, has reliable stability.

If need be folding and draw in the handrail in, then can remove the retaining member of articulated department, promote the handrail downwards again for two vaulting poles rotate along mounting platform, because the horizontal interval between two vaulting poles is greater than the height when the vaulting pole is vertical to be placed, consequently, can make two vaulting poles and the equal parallel laminating mounting platform of handrail, show that the handrail draws in completely this moment, also can effectively draw in the handrail in when need not to use the handrail, avoid appearing the great phenomenon of handrail occupation space, the user of also being convenient for uses.

To sum up, the utility model provides a collapsible handrail device both can improve the structural stability of handrail, can reduce the occupation space of handrail again, and this device simple structure, convenient to use can use widely.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural view of the foldable handrail device provided by the present invention when unfolded;

FIG. 2 is a schematic view of the foldable armrest apparatus when collapsed;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;

fig. 5 is a cross-sectional view of C-C in fig. 1.

In fig. 1-5:

1 is an installation platform, 2 is a support rod, 3 is a handrail, 4 is a hinged support, 5 is a second locking piece, 6 is a locking buckle, 7 is a stop block, and 8 is a fixed support.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The core of the utility model is to provide a foldable handrail device, which can not only improve the structural stability of the handrail, but also reduce the occupation space of the handrail, and the device has simple structure and convenient use, and can be popularized and used.

Please refer to fig. 1 to 5, wherein fig. 1 is a schematic structural view of the foldable armrest apparatus provided in the present invention when unfolded; FIG. 2 is a schematic view of the foldable armrest apparatus when collapsed; FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2; FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2; fig. 5 is a cross-sectional view of C-C in fig. 1.

This particular embodiment provides a collapsible armrest apparatus, includes: mounting platform 1, two vaulting poles 2 and the handrail 3 that are parallel to each other, the bottom of vaulting pole 2 is articulated with mounting platform 1, and the top of vaulting pole 2 is articulated with handrail 3, and articulated department all is equipped with the retaining member of adjustable locking degree, and the horizontal interval between two vaulting poles 2 is greater than the height when vaulting pole 2 is vertical to be placed.

It should be noted that, the armrest 3 and the mounting platform 1 are connected with the two support rods 2 in a hinged manner, and the installation positions of the components can form a parallelogram structure by pushing and controlling the armrest 3, and the parallelogram structure has reliable stability, and is beneficial to ensuring the structural stability, the use safety, the reliability and the like of the armrest 3.

In the actual application process, the shapes, structures, sizes, positions, materials and the like of the mounting platform 1, the stay bars 2, the locking members and the armrests 3 can be determined according to actual conditions and actual requirements.

Use the utility model provides a during collapsible armrest apparatus, if need expand handrail 3, then can upwards stimulate handrail 3, drive two vaulting poles 2 then and rotate along mounting platform 1, when two equal perpendicular mounting platform 1 of vaulting pole 2, recycle the articulated department of retaining member locking, avoid vaulting pole 2 to continue to rotate, handrail 3 at this moment is on a parallel with mounting platform 1 setting, it can effectively exert the supporting role, improve the security of shelter aluminium alloy ladder, moreover, this handrail structure designs according to the parallelogram principle, and has reliable stability.

If need be folding to draw in handrail 3 in, then can remove the retaining member of articulated department, promote handrail 3 downwards again, make two vaulting poles 2 rotate along mounting platform 1, because the horizontal interval between two vaulting poles 2 is greater than the height when vaulting pole 2 is vertical to be placed, therefore, can make two vaulting poles 2 and handrail 3 equal parallel laminating mounting platform 1, it draws in completely to show handrail 3 this moment in, also can effectively draw in handrail 3 when need not to use handrail 3 in, avoid appearing the great phenomenon of handrail 3 occupation space, the user of also being convenient for uses.

To sum up, the utility model provides a collapsible armrest apparatus both can improve the structural stability of handrail 3, can reduce handrail 3's occupation space again, and this device simple structure, convenient to use can use widely.

On the basis of the above embodiment, it is preferable that the mounting platform 1 is provided with an articulated support 4 for mounting the bottom end of the stay 2, and the locking member includes a first locking member provided on the articulated support 4.

It should be noted that, the mounting platform 1 may be fixed on the operation surface through the fixing support 8 to ensure the structural stability of the mounting platform 1, and then, the hinged support 4 is further disposed on the mounting platform 1, the bottom end of the stay bar 2 is inserted into the hinged support 4 to be fixed, and the relative rotation between the stay bar 2 and the mounting platform 1 may be realized, the first locking member needs to be unlocked when the stay bar 2 needs to be rotated, and the first locking member needs to be locked when the stay bar 2 needs to be fixed, so as to realize the operation of opening the armrest 3 or closing the armrest 3.

Preferably, the retaining member is still including locating the second retaining member 5 of the top of vaulting pole 2 and the articulated department of handrail 3, and second retaining member 5 is equipped with the protrusion, and mounting platform 1 corresponds and is equipped with the locking of being used for with protrusion cooperation joint and detains 6.

It should be noted that, when drawing in the operation to handrail 3, handrail 3 and vaulting pole 2 all can be folded to being parallel with mounting platform 1, through set up locking buckle 6 on mounting platform 1, can effectively joint lock second retaining member 5, and then carry out the joint to completely folding handrail 3 and vaulting pole 2 and fix, avoid drawing in handrail 3 after in and swing at will. When the handrail 3 needs to be unfolded, the protruding part can be pulled out of the locking buckle 6, the handrail 3 and the stay bar 2 can be unfolded, and the first locking part and the second locking part 5 are locked when the stay bar 2 is vertical to the mounting platform 1 and the stay bar 2 and the handrail 3, so that the unfolded handrail 3 can be effectively fixed.

On the basis of the above-described embodiment, it is preferable that the mounting platform 1 is provided with a stopper 7 for performing limit support of the handrail 3 when the handrail 3 is laid flat.

It should be noted that, when the handrail 3 and the stay bar 2 are folded, the handrail 3 and the stay bar 2 are pushed downwards to be close to the installation platform 1, and finally, the state that the handrail 3 and the stay bar 2 are both parallel to the installation platform 1 is presented, in the process of folding and folding the handrail 3, the handrail 3 reaching the flat state contacts with the stop dog 7, the stop dog 7 can effectively limit the final position of the handrail 3, so as to avoid the handrail 3 from rotating excessively, and the stop dog 7 can effectively support the handrail 3, so as to ensure that the final state of the handrail 3 is the horizontal state.

Preferably, the mounting platform 1 is provided with two stoppers 7, the stoppers 7 are arranged corresponding to the locking buckles 6, and the height difference between the stoppers 7 and the locking buckles 6 is the same as the height of the stay bar 2 when the stay bar is horizontally placed.

Note that, here, the stopper 7 and the locking buckle 6 are provided correspondingly, and the height difference between the stopper 7 and the locking buckle 6 is the same as the height when the stay 2 is horizontally placed, which means that the stopper 7 is provided higher than the locking buckle 6, and the height difference between the top surface of the stopper 7 and the top surface of the locking buckle 6 is the same as the height when the stay 2 is horizontally placed. Like this can ensure when handrail 3 and vaulting pole 2 all keep flat, handrail 3 is effectively supported fixedly by dog 7, and protrusion just detains 6 joint locks with the locking, as shown in fig. 2, the operating personnel of being more convenient for like this carries out accurate lock operation to protrusion and locking knot 6, improves operating efficiency and lock accuracy then.

The shape, structure, size, position, number, material and the like of the hinged support 4, the first locking piece, the stop block 7, the locking buckle 6, the protruding piece and the second locking piece 5 can be determined in the actual application process according to the actual situation and the actual requirement.

Preferably, the mounting platform 1, the stay bar 2 and the handrail 3 are all made of aluminum material. This is because the aluminum material is light in weight, easy to move, and easy to store, so that the installation platform 1, the stay bar 2, and the handrail 3 are all made of aluminum material, which is beneficial to reducing the overall weight of the device and is convenient for users to use.

Preferably, the locking member is a latch member. Therefore, the unlocking and locking operations and the like can be realized through the plugging operation, which is beneficial to simplifying the operation and reducing the complexity of the device.

It is explicated that need supplement, the utility model provides a collapsible armrest apparatus utilizes parallelogram to keep away from and sets up folding handrail structure for the overall structure of device is reliable, and technical maturity is very high, and, the simple structure of this device, convenient operation, the maintenance of being convenient for. In addition, most of the structure of the device is made of aluminum materials, so that the device is light in weight, easy to move and convenient to store. The device is simple in production and manufacturing process, low in manufacturing cost and capable of being popularized and used.

It should be noted that the first locking member and the second locking member 5 are mentioned in the present application, wherein the first and the second are only for distinguishing the position difference and are not sequentially distinguished.

It should be noted that the directions and positional relationships indicated by the "top" and "bottom" in the present application are based on the directions and positional relationships shown in the drawings, and are only for the convenience of simplifying the description and facilitating the understanding, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed in a specific direction and operate, and therefore, should not be construed as limiting the present invention.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The utility model provides an arbitrary compound mode of all embodiments all is in this utility model's a protection scope, does not do here and gives unnecessary details.

The above is a detailed description of the foldable handrail device provided by the present invention. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. A foldable armrest apparatus, comprising: mounting platform (1), two vaulting pole (2) and handrail (3) that are parallel to each other, the bottom of vaulting pole (2) with mounting platform (1) is articulated, the top of vaulting pole (2) with handrail (3) are articulated, and articulated department all is equipped with the retaining member of adjustable locking degree, two horizontal interval between vaulting pole (2) is greater than the height when vaulting pole (2) are vertical to be placed.

2. The foldable armrest apparatus according to claim 1, characterized in that the mounting platform (1) is provided with an articulated support (4) for mounting the bottom end of the stay (2), the locking means comprising a first locking means provided on the articulated support (4).

3. The foldable handrail device according to claim 2, characterized in that the locking member further comprises a second locking member (5) provided at the top end of the stay bar (2) and the hinged joint of the handrail (3), the second locking member (5) is provided with a protruding member, and the mounting platform (1) is correspondingly provided with a locking buckle (6) for being engaged with the protruding member.

4. A foldable armrest arrangement according to claim 3, characterized in that the mounting platform (1) is provided with a stop (7) for positive support of the armrest (3) when the armrest (3) is lying flat.

5. The foldable armrest apparatus according to claim 4, characterized in that the mounting platform (1) is provided with two stops (7), the stops (7) being arranged in correspondence with the locking buckle (6), the height difference between the stops (7) and the locking buckle (6) being the same as the height of the stay (2) when it is placed horizontally.

6. The foldable armrest apparatus according to any of the claims 1 to 5, characterized in that the mounting platform (1), the stay (2) and the armrest (3) are all pieces of aluminum material.

7. The foldable armrest apparatus of any of claims 1 to 5, wherein the retaining member is a latch member.