CN112895805A

CN112895805A - Liftable hidden truckle structure and mobile device

Info

Publication number: CN112895805A
Application number: CN201911137454.2A
Authority: CN
Inventors: 吕剑
Original assignee: Suzhou Samsung Electronics Co Ltd; Samsung Electronics Co Ltd
Current assignee: Suzhou Samsung Electronics Co Ltd; Samsung Electronics Co Ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2021-06-04

Abstract

The invention discloses a lifting hidden type caster structure and movable equipment. Through the above-mentioned portable hidden truckle structure of disclosing, elevating system drives the truckle and is the up-and-down motion for the casing to when the truckle promoted a certain position, casing lower limb atress supported whole equipment, make whole equipment can not be because of when equipment moves, the truckle removes and drags the power connecting wire, and power cord plug electric leakage brings the conflagration emergence.

Description

Liftable hidden truckle structure and mobile device

Technical Field

The invention relates to the technical field of electric appliances, in particular to a liftable hidden type caster structure and movable equipment.

Background

Along with the development of society, people need to the user demand of equipment, and more equipment need remove, in order to make equipment more conveniently remove, all can be at equipment bottom installation truckle, and air purifier is no exception.

However, when the air purifier operates, the caster can cause the equipment to move, and the power connecting line is easily pulled, so that the plug leaks electricity to bring fire safety hidden dangers.

Disclosure of Invention

In view of this, the embodiment of the present invention provides a hidden lifting caster structure and a mobile device, in which a lifting mechanism is arranged to drive a caster to lift up and down in a housing, and when the caster is lifted to a certain position, a lower edge of the housing is stressed and supports the whole device, so that the power connection line is not pulled by the movement of the caster when the whole device is operated, and a power plug is not electrically leaked, thereby causing a fire.

In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:

the invention discloses a liftable hidden caster structure in a first aspect, which comprises: the lifting mechanism comprises a shell, a lifting mechanism and a caster;

the caster wheel is installed on the shell through the lifting mechanism, and the lifting mechanism can drive the caster wheel to ascend relative to the shell to be hidden in the shell and descend to be exposed out of the shell.

Preferably, the lifting mechanism includes: a drive member and a cam member;

the driving piece can act on the cam piece to drive the caster wheel to move up and down relative to the shell. Preferably, the drive member comprises a rotary shift lever and the cam member comprises a cam top block.

Preferably, the rotary shift lever is mounted to the housing through a bushing structure.

Preferably, the shell is provided with a rotation limiting groove used for matching the rotation deflector rod handle.

Preferably, the method further comprises the following steps: a caster fixing plate on which a plurality of casters are disposed;

the lifting mechanism can drive the caster fixing plate and the casters to move up and down relative to the shell.

Preferably, the method further comprises the following steps: the truckle fixed plate is equipped with the trepanning, the casing is equipped with the vertical direction complex fixed axle of trepanning.

Preferably, the method further comprises the following steps: a spring;

the spring is arranged between the trepanning and the fixed shaft.

Preferably, the lifting mechanism includes: a cam member;

the caster fixing plate is provided with an ejection arc surface used for being matched with the cam piece.

The invention discloses a movable device in a second aspect, which comprises any one of the liftable hidden caster structures disclosed in the first aspect of the invention.

In view of the above, the present invention discloses a hidden lifting caster structure and a mobile device, wherein the caster is mounted on the housing through the lifting mechanism, and the lifting mechanism can drive the caster to ascend relative to the housing to be hidden in the housing and descend to be exposed outside the housing. Through the above-mentioned portable hidden truckle structure of disclosing, elevating system drives the truckle and is the up-and-down motion for the casing to when the truckle promoted a certain position, casing lower limb atress supported whole equipment, make whole equipment can not be because of when equipment moves, the truckle removes and drags the power connecting wire, and power cord plug electric leakage brings the conflagration emergence.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 an exploded schematic view of a liftable hidden caster structure provided in an embodiment of the present invention;

fig. 2 is a schematic view of a liftable hidden caster structure provided in an embodiment of the present invention;

fig. 3 is a schematic view of a liftable hidden caster structure provided in an embodiment of the present invention;

fig. 4 is a schematic structural view of a caster fixing plate according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a caster fixing plate provided in an embodiment of the present invention after a spring is added;

fig. 6 is a schematic diagram of a state switching structure according to an embodiment of the present invention.

Wherein, the shell 1, the fixed shaft 1-1 and the spring 1-2; rotating the deflector rod 2; a cam top block 3; a caster fixing plate 4 and a trepan boring 4-1; and a caster 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In this application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

An embodiment of the present invention provides a movable hidden caster, referring to fig. 1 to 6, which are schematic diagrams of a movable hidden caster structure according to an embodiment of the present application, including: the device comprises a shell 1, a lifting mechanism and a caster 5;

the caster 5 is mounted on the housing 1 through a lifting mechanism, and the lifting mechanism can drive the caster 5 to ascend relative to the housing 1 to be hidden in the housing 1 and descend to be exposed out of the housing 1.

It should be noted that, the lifting mechanism is a device capable of lifting a target to a certain height, and the lifting mechanism is arranged on the housing 1, and drives the caster 5 mounted on the housing 1 to move up and down relative to the housing 1, when the caster 5 needs to be hidden, the caster 5 is lifted upwards relative to the housing 1 by the lifting mechanism until the bottom of the caster is higher than the lower edge of the housing 1, the lower edge of the housing 1 contacts the ground, and plays a role of supporting the whole device, and the caster 5 at this time is hidden in the housing 1 as the housing 1 is shielded; when the shell needs to be moved, the caster 5 moves downwards relative to the shell through the lifting mechanism until the lower edge of the shell 1 is not in contact with the ground, the caster 5 is stressed and plays a supporting role for the whole equipment, and the caster 5 is exposed out of the shell 1 at the moment.

It should be further noted that, the left side of fig. 6 is a schematic structural diagram of the lifting mechanism driving the caster 5 to descend to be exposed outside the housing 1, and the right side of fig. 6 is a schematic structural diagram of the lifting mechanism driving the caster 5 to ascend to be hidden inside the housing 1.

The embodiment of the application installs the truckle in the casing through elevating system, and elevating system can take the truckle relatively the casing rise to hide in the casing, and descend to expose outside the casing. Through the above-mentioned portable hidden truckle structure of disclosing, elevating system drives the truckle and is the up-and-down motion for the casing to when the truckle promoted a certain position, casing lower limb atress supported whole equipment, make whole equipment can not be because of when equipment moves, the truckle removes and drags the power connecting wire, and power cord plug electric leakage brings the conflagration emergence.

Further, the elevating mechanism includes: a drive member and a cam member;

the drive member can act on the cam member to cause the castor 5 to move up and down relative to the housing 1.

It should be noted that the driving member is a member capable of driving the cam member to rotate, the cam member is a member having a curved profile, and the driving member drives the cam member to move, so that the cam member drives the caster 5 to move up and down relative to the housing 1, so as to lift the caster 5 up and down relative to the housing 1, so that the caster 5 is hidden in the housing 1, or the caster 5 is lowered down relative to the housing 1, so that the caster 5 is exposed from the housing 1.

Further, the drive member comprises a rotary shift lever 2 and the cam member comprises a cam top block 3.

It should be noted that the driving member may be a motor or a rotary shift lever 2, and in this application, the driving member is preferably the rotary shift lever 2, but the driving member is not limited to the motor and the rotary shift lever 2.

Further, the rotary shift lever 2 is mounted to the housing 1 through a bushing structure.

It should be noted that, installing rotary driving lever 2 in casing 1 through the bearing housing, rotary driving lever 2 that can be fine plays the effect of fixed stay to and can rotate rotary driving lever 2 more easily, when effectively preventing to rotate rotary driving lever 2, rotary driving lever 2 deviates from.

Further, the shell 1 is provided with a rotation limiting groove for matching the handle of the rotary shift lever 2.

It should be noted that, because the cam ejector block 3 is a curved surface structure, when the cam ejector block 3 is driven, the effect of the convex part of the cam is different from that of the non-convex part, and the rotating limiting groove for matching the handle of the rotating shift lever 2 is arranged on the shell 1, so that the situation that a user rotates the shift lever 2 in a transitional manner and the caster 5 cannot be lifted upwards to be hidden or descended downwards to be exposed can be effectively prevented.

Further, based on fig. 1, refer to fig. 4, hidden truckle structure of liftable still includes: a caster fixing plate 4, a plurality of casters 5 being provided on the caster fixing plate 4;

the lifting mechanism can drive the caster fixing plate 4 and the plurality of casters 5 to move up and down relative to the housing 1.

It should be noted that, set up a plurality of truckles on truckle fixed plate 4, thereby elevating system can drive a plurality of truckles 5 of fixing on truckle fixed plate 4 through driving truckle fixed plate 4 and go up and down, thereby make a plurality of truckles 5 do the up-and-down motion for casing 1 simultaneously, when hiding truckle 5 promptly, hide a plurality of truckles 5 simultaneously, when needing the mobile device, show a plurality of truckles 5 simultaneously and be used for the support equipment.

Further, hidden truckle structure of liftable still includes: the truckle fixing plate 4 is provided with a trepanning 4-1, and the shell 1 is provided with a fixing shaft 1-1 which is vertically guided and matched with the trepanning 4-1.

It should be noted that the sleeve holes 4-1 are formed in the caster fixing plate 4, and the fixing shaft 1-1 vertically guided and matched with the sleeve holes 4-1 is formed in the shell 1, so that the caster fixing plate 4 can drive the plurality of casters 5 to ascend and descend relatively stably and accurately.

Further, referring to fig. 5, the hidden caster structure capable of lifting further includes: a spring 1-2;

the spring 1-2 is arranged between the trepan boring 4-1 and the fixed shaft 1-1.

It should be noted that the spring is a mechanical part that operates by elasticity. The part made of elastic material deforms under the action of external force and restores to the original shape after the external force is removed.

It should be further noted that, when the fixed shaft 1-1 is in shaft sleeve fit with the sleeve hole 4-1, due to a tolerance gap between the fixed shaft 1-1 and the sleeve hole 4-1, in some cases, the fit of a plurality of shaft sleeves is prone to cause inconsistency of displacement of a single shaft sleeve, which leads to difficulty in movement or jamming of the fixed shaft 1-1 in fit with the shaft sleeve 4-1, and therefore, by arranging the spring 1-2 between the sleeve hole 4-1 and the fixed shaft 1-1, the pretightening force is uniformly distributed in the shaft sleeve fit between each fixed shaft 1-1 and the sleeve hole 4-1, and the stability and durability of the relative movement of the shaft sleeve fit are improved.

Further, the elevating mechanism includes: a cam member;

the caster fixing plate 4 is provided with an ejection arc surface for fitting with the cam member.

It should be noted that, the caster fixing plate 4 is provided with an ejection arc surface for matching with the cam member, and when the cam member is ejected, the protruding part of the cam member is just embedded into the ejection arc surface, so that the cam member is not easy to move, and the cam member is better supported.

Referring to fig. 3, a schematic structural diagram of a mobile device provided in an embodiment of the present application, the mobile device includes: the device comprises a shell 1, a lifting mechanism and a caster 5;

the caster 5 is mounted on the housing 1 through a lifting mechanism, and the lifting mechanism can drive the caster 5 to ascend relative to the housing 1 to be hidden in the housing 1 and descend to be exposed out of the housing 1. This scheme is particularly useful for electronic equipment, especially air purifier.

Based on the embodiments provided above, the present solution is further described below with reference to specific embodiments:

a hidden type caster structure capable of ascending and descending, as shown in fig. 1 to 6, comprising: air purifier base (aforementioned casing 1), rotatory driving lever 2, cam kicking block 3, truckle fixed plate 4 and truckle 5.

The working principle is as follows:

one or more casters 5 are uniformly and fixedly arranged on the caster fixing plate 4; a plurality of trepanning structures 4-1 arranged on the caster fixing plate 4 are respectively matched with a plurality of fixed shafts 1-1 on the air purifier base in a shaft sleeve mode, so that the air purifier base and the caster fixing plate 4 can move relatively in the vertical direction in the drawing; the rotary deflector rod 2 is arranged from the rear part of the air purifier base, the rotary deflector rod 2 and the air purifier base are matched by adopting a shaft sleeve, and the rotary deflector rod 2 can rotate along the axial direction; one or more cam lifters 3 are fixedly mounted on the rotary shift lever 2 and can rotate in the axial direction along with the rotary shift lever 2.

Under the state that fig. 2 is shown, receive external force when rotatory driving lever 2 anticlockwise, rotatory driving lever 2 handle is along the certain angle of axle anticlockwise rotation, cam kicking block 3 of fixed mounting on it is certain angle also anticlockwise rotation, at this moment, originally cam kicking block 3 of propping up truckle fixed plate 4 downwards leaves truckle fixed plate 4, truckle fixed plate 4 does not have external force after downwards, because of the action of gravity, the air purifier base moves down, bottommost face contact ground, and truckle fixed plate 4 and truckle 5 move up to the air purifier base relatively, hide inside the air purifier base completely.

On the contrary, when the rotary deflector rod 2 is stressed by external force clockwise, the cam top block 3 is stressed to rotate clockwise, and when the rotary deflector rod rotates, downward acting force is gradually applied to the caster fixing plate 4, and the caster 5 moves downwards to contact the ground; when the acting force is larger than the gravity of the product, the air purifier base is forced to be lifted upwards due to the relative movement, and the caster wheels 5 are completely contacted with the ground.

Compared with the prior art, the method has the following improvement innovation points:

1. the invention integrates the convenient moving function and the stable placing function of the product, realizes one-key function switching, and meanwhile, the device is hidden in the shell, thereby being convenient for use without reducing the appearance quality and the appearance space of the product.

2. The user can freely switch one key on two functions according to the self demand, and the structure is simple to realize, and the cost is lower, and the practicality is strong.

And further refining the optimized improvement scheme:

a plurality of trepanning structures that have on the truckle fixed plate, respectively with air purifier base on a plurality of fixed axles carry out the axle sleeve cooperation, this kind of a plurality of axle sleeve cooperations are for increasing both relative stability and the accuracy of removal, but consider the tolerance clearance, under special extreme condition, single axle sleeve displacement volume inconsistent appears in multiaxis cover cooperation easily, lead to the difficult or card dead problem of relative movement, in order to solve this problem, increase pressure spring in axle sleeve position, make every axle sleeve cooperation position evenly distributed pretightning force, improve axle sleeve cooperation relative movement's stability and durability greatly.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a hidden truckle structure of liftable which characterized in that includes: the device comprises a shell (1), a lifting mechanism and a caster (5);

the caster (5) is mounted on the shell (1) through the lifting mechanism, and the lifting mechanism can drive the caster (5) to ascend relative to the shell (1) to be hidden in the shell (1) and descend to be exposed out of the shell (1).

2. The structure of claim 1, wherein the lifting mechanism comprises: a drive member and a cam member;

the driving piece can act on the cam piece to drive the caster wheel (5) to move up and down relative to the shell (1).

3. Arrangement according to claim 2, characterized in that the drive member comprises a rotary shift lever (2) and the cam member comprises a cam top piece (3).

4. Arrangement according to claim 3, characterized in that the rotary shifter lever (2) is mounted to the housing (1) by means of a bushing arrangement.

5. A structure as claimed in claim 3, characterized in that said housing (1) is provided with a rotation-limiting groove for the engagement of the handle of said rotary shifter lever (2).

6. The structure of claim 1, further comprising: a caster fixing plate (4), a plurality of casters (5) being provided to the caster fixing plate (4);

the lifting mechanism can drive the caster fixing plate (4) and the casters (5) to move up and down relative to the shell (1).

7. The structure of claim 6, further comprising: the caster fixing plate (4) is provided with a sleeve hole (4-1), and the shell (1) is provided with a fixing shaft (1-1) which is vertically guided and matched with the sleeve hole (4-1).

8. The structure of claim 7, further comprising: and the spring (1-2) is arranged between the trepanning (4-1) and the fixed shaft (1-1).

9. The structure of claim 6, wherein the lifting mechanism comprises: a cam member;

the caster fixing plate (4) is provided with an ejection arc surface matched with the cam piece.

10. A mobile device comprising the liftable hidden caster structure of any one of claims 1 to 9.