TWM639008U - Lifting and descending device for use in furniture - Google Patents

Abstract

A lifting device used for furniture, a movable part is arranged on a fixed part of a frame structure, and a rolling mechanism is arranged between the opposite sides of the fixed part and the opposite sides of the movable part, and the movable part passes through The rolling mechanisms can slide within the frame structure of the fixed part; a driving element connects the fixed part and the movable part to control the movable part to slide within the frame structure of the fixed part, wherein, The fixing part is used to be fixed to the fixed structure of the furniture, the movable part is used to be fixed to the movable structure of the furniture, and the movable structure is controlled to move relative to the fixed structure when the driving element is operated.

Description

Lifting device for furniture

This creation relates to a lifting device used in furniture, especially it can be installed on furniture such as seat backs, armrests, bedside tables, etc. When the lifting device is controlled to rise, the partial area of the furniture can be enlarged, making it more comfortable for users to lean on.

A general sofa is usually made of soft materials and includes a backrest and a seat part that are integrated. When the human buttocks sit on the seat part, its back leans against the backrest, while the head is resting on the backrest of the sofa. If the lower part is low and there is no place to lean on, it may not be able to give the human body a full rest. For this reason, commercially available sofas have a design with a flippable headrest. The headrest can be folded to the back of the backrest, and rotated to the top of the backrest according to the needs of use for the head to rely on. Although it solves the problem that the traditional sofa does not have a headrest, the height of the headrest cannot be adjusted because there is no further lifting device for the headrest. Therefore, when the taller person sits on the sofa, the height of the head will exceed the headrest and cannot reach the whole body. sexual dependence.

In addition, the armrests of traditional sofas are also fixed in design, and the height of the armrests cannot be adjusted according to the body shape of the user.

On the other hand, the traditional bedside cabinet is also fixed, so the bedside cabinet with storage function cannot further design a more functional and functional storage space. Even traditional furniture cannot provide more creative structural design because of its fixed design.

In view of the fact that many known furniture are fixed structures and cannot provide more creative designs, this creation provides a lifting device for furniture, so that the furniture after installing the lifting device can adjust the lifting height at specific parts, so that The user can adjust to a more comfortable leaning state when necessary.

The lifting device used in furniture provided by this creation includes: a fixed part, which is a frame structure; The mechanism is arranged between the opposite sides of the fixed part and the opposite sides of the movable part, and the movable part can slide within the frame structure of the fixed part through the rolling mechanisms; the driving element is connected with the fixed part and the movable part, used to control the movable part to slide within the frame structure of the fixed part, wherein the fixed part is fixed to the fixed structure of the furniture, and the movable part is fixed to the furniture by the connecting piece The movable structure is used to control the movement of the movable structure relative to the fixed structure when the driving element is actuated.

Preferably, the rolling mechanism may include: track grooves arranged on opposite sides of the frame structure of the fixed part; and rollers rotatably arranged on opposite sides of the movable part, and the wheel surfaces of the rollers form There are a plurality of protrusions, and the rollers are rotatably matched and arranged in the rail grooves. This creation can provide smooth lifting height adjustment in a state of low frictional resistance through the way that the rollers are matched with the rail grooves.

In the embodiment of the present invention, the protruding parts may be semi-spherical or bar-shaped protruding from the wheel surface. With this structure, there is better friction between the contact surface of the roller and the rail groove. In addition to making the roller roll reliably, it can also prevent the roller from sliding down automatically after the movable part is raised and not further operated. .

Preferably, the driving element is an electric cylinder, or may be a pneumatic cylinder or an oil hydraulic cylinder.

In an embodiment of the present invention, the fixed structure may be a fixed backrest of a sofa, and the movable structure may be a movable backrest of the sofa.

In another embodiment of the present invention, the fixed structure can be a fixed armrest of a sofa, and the movable structure can be a movable armrest of the sofa.

In another embodiment of the present creation, the fixed structure may be a fixed cabinet of a bedside table, and the movable structure may be a movable cabinet of the bedside table.

In order to facilitate understanding of the invention, the invention will be described in detail below in conjunction with the accompanying drawings and embodiments. Some, but not all, embodiments of the invention are shown in the drawings. The invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive. Based on the embodiments in this creation, all other embodiments obtained by persons of ordinary skill in the art without making progressive efforts all belong to the scope of protection of this creation.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art of this invention. The terminology used in the description of the creation is only for the purpose of describing specific embodiments, and is not intended to limit the creation.

As shown in FIG. 1 , the lifting device used in the chair back provided by the invention mainly includes: a fixed part 1 , a movable part 2 and a driving element 3 . Wherein, the fixing part 1 is a frame structure, and two opposite sides within the range of the frame are formed as rail grooves 11 . The movable part 2 is welded by a plurality of rods 21 arranged vertically and horizontally in a staggered manner. Roller mechanisms 30 are respectively arranged between the two ends of the transverse rods 21 and the opposite sides of the fixed part 1 .

The roller mechanism 30 includes the track groove 11 and rollers 22 rotatably disposed on opposite sides of the movable part 2 , and the rollers 22 are rotatably matched to the track groove 11 of the fixed part 1 . The roller 22 can be made of plastic material or other non-wearable material, and can form a plurality of protrusions 221 on the wheel surface of the roller 22; for example, the protrusions 221 can form a plurality of protrusions on the wheel surface as shown in Figure 2A A semicircular sphere, or as shown in Figure 2B, forms a plurality of strips on the wheel surface, and the protrusions 221 can increase the friction between the contact surface of the roller 22 and the rail groove 11, so that the roller 22 can be placed on the rail groove 11 The inner rolling is more reliable, and the roller 22 is prevented from sliding by itself without the action of external force.

The movable part 2 is provided with a plurality of connectors 23, and these connectors 23 are arranged to extend towards the direction perpendicular to the frame surface of the fixed part 1. The connectors 23 are provided with threaded sections, and these connectors 23 can be fixed on the frame by welding. Activities Department 2. The drive element 3 is arranged between the movable part 2 and the fixed part 1, and the drive element 3 can be an electric cylinder, a pneumatic cylinder or an oil pressure cylinder, for example, an electric cylinder is preferably used as the drive element 3 in this creation, and the electric cylinder One end of the cylinder body of the cylinder is arranged in the fixed part 1 in a shaft connection, and the cylinder shaft at the other end is arranged in the movable part 2 in a shaft connection. By providing electric power to the electric cylinder, the internal screw is driven to rotate to drive the cylinder shaft in the axial direction. movement, and then control the relative movement of the movable part 2 within the frame range of the fixed part 1 .

The lifting device of this invention can be applied to various furniture that needs to adjust the lifting height of specific parts; that is, the fixed part 1 of the lifting device of this invention is fixed to the fixed structure of the furniture, and the movable part 2 is fixed to the movable structure of the furniture body, and when the driving element 3 is actuated, the movable structure is controlled to move relative to the fixed structure.

For example, as shown in Fig. 3 and Fig. 4, it is a schematic view that the lifting device of the present invention is installed on the backrest of the sofa 4. On it, the backrest 42 is used for leaning against the back of the human body; the backrest 42 further includes a fixed backrest 421 and a movable backrest 422, the fixed backrest 421 is an immovable fixed structure, and the movable backrest 422 is provided with a backrest structure 43 . Fix the fixed part 1 of the lifting device of the present invention to the fixed backrest part 421, and use the connecting piece 23 to fix the movable part 2 to the movable structure 43, whereby the movable part 2 will be driven when the driving element 3 is activated to elongate rise, so that the movable backrest 422 rises with the movable structure 43 relative to the fixed backrest 421. In this state, for a taller person, the back and head of the human body can completely lean on the movable backrest 422. , In addition, a lumbar cushion can be placed on the waist, so that the head, back, and waist can all lean against the sofa to achieve a completely relaxed state. On the contrary, when the driving element 3 shortens, it will drive the backrest structure 43 to descend, so that the movable backrest part 422 descends relative to the fixed backrest part 421 .

As shown in Figure 5 again, it is a schematic diagram of installing the lifting device of the present invention on the inside of the armrest 45 of the sofa 4; fixed structure, the movable armrest part 452 is provided with an armrest structure 453. Fix the fixed part 1 of the lifting device of the present invention to the fixed armrest part 451, and use the connecting piece 23 to fix the movable part 2 to the armrest structure 453, whereby the movable part 2 will be driven when the driving element 3 is activated to elongate On the contrary, when the driving element 3 shortens, it will drive the movable part 2 to descend, so that the movable armrest part 452 will descend relative to the fixed armrest part 451.

As shown in Figure 6 and Figure 7, it is a schematic diagram of installing the lifting device of the present creation on the bedside table 5; the bedside table 5 further includes a fixed cabinet 51 and a movable cabinet 52, and the fixed cabinet 51 is non-movable. The fixed structure body, the movable cabinet body 52 is a movable movable structure body, and the fixed cabinet body 51 and the movable cabinet body 52 can respectively be provided with appropriate storage spaces. Fix the fixed part 1 of the lifting device of the present invention to the bedside table structure 53 of the fixed cabinet body 51, and use the connector 23 to fix the movable part 2 to the movable cabinet body 52, thereby, when the driving element 3 is activated to make it stretch It will drive the movable part 2 to rise, so that the movable cabinet body 52 will rise relative to the fixed cabinet body 51. In this state, the storage space of the movable cabinet body 52 can be exposed; on the contrary, when the driving element 3 shortens, it will drive the movable part 2 Descending, so that the movable cabinet body 52 is lowered relative to the fixed cabinet body 51, and the storage space of the movable cabinet body 52 can be hidden in this state.

6 and 7 show that the movable cabinet 52 is arranged behind the fixed cabinet 51 to provide storage space, however, in another embodiment, the movable cabinet 52 can also be arranged in front of the fixed cabinet 51, so that the movable After the cabinet body 52 is adjusted to rise, the body and the head of the tall person can lean against (not shown in the figure), and the movable cabinet body 52 is adjusted to allow the general body type to lean against.

The above-mentioned embodiments only express the preferred implementation mode of the creation, and the description thereof is relatively specific and detailed, but it should not be construed as limiting the patent scope of the creation. It should be noted that those skilled in the art can make some changes and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention.

1: fixed part

11: rail groove

2: Activity Department

21: Rod

22:Roller

221: protrusion

23:Connector

3: Drive components

30: Roller mechanism

4: Sofa

41: Seat

42: backrest

421: fixed backrest

422: Movable backrest

43: Backrest structure

45: Armrest

451: fixed armrest

452: Movable armrest

453: Armrest structure

5: bedside table

51: fixed cabinet

52: Movable cabinet

53: Bedside table structure

Fig. 1 is a perspective view showing the lifting device of the invention; Fig. 2A is a perspective view showing the structure of an embodiment of the roller wheel used in the lifting device in the invention; Fig. 2B is another implementation showing the roller wheel used in the lifting device in the invention The three-dimensional view of example structure; Fig. 3 is the schematic diagram of the embodiment showing that the lifting device of the invention is applied to the backrest structure of the sofa; Fig. 4 is the embodiment showing that the lifting device of the invention is applied to the backrest structure of the sofa and the movable backrest is raised Schematic diagram; Figure 5 is a schematic diagram of an embodiment showing that the lifting device of this creation is applied to the armrest structure of a sofa; Figure 6 is a schematic diagram of an embodiment showing that the lifting device of this creation is applied to a bedside table; and Figure 7 is a schematic diagram showing the application of the lifting device of this creation Behind the bedside table, the schematic diagram of the embodiment of the state after the movable cabinet is raised.

1: fixed part

11: rail groove

2: Activity Department

21: Rod

22:Roller

23:Connector

3: Drive components

30: Roller mechanism

Claims (7)

A lifting device for furniture, comprising: a fixed part, which is a frame structure; a movable part, which has a plurality of connecting parts, and the movable part is set within the range of the frame structure of the fixed part; two rolling mechanisms , arranged between the opposite sides of the fixed part and the opposite sides of the movable part, the movable part can slide within the frame structure of the fixed part through the rolling mechanisms; a driving element, connected to the fixed part and the movable part, used to control the movable part to slide within the frame structure of the fixed part, wherein the fixed part is fixed to a fixed structure of a piece of furniture, and the movable part is fixed to the A movable structure of furniture is used to control the movement of the movable structure relative to the fixed structure when the driving element is actuated. The lifting device used in furniture as described in claim 1, wherein the rolling mechanism includes: a rail groove provided on opposite sides of the frame structure of the fixed part; and a roller rotatably provided on the movable part On opposite sides of the portion, the wheel surfaces of the rollers are formed with a plurality of protruding parts, and the rollers are rotatably matched and arranged in the rail grooves. The lifting device used for furniture according to claim 2, wherein the protruding parts are semi-spherical or bar-shaped protruding from the wheel surface. The lifting device used in furniture according to claim 3, wherein the driving element is an electric cylinder, a pneumatic cylinder or a hydraulic cylinder. The lifting device used in furniture according to claim 4, wherein the fixed structure is a fixed backrest of a sofa, and the movable structure is a movable backrest of the sofa. The lifting device for furniture according to claim 4, wherein the fixed structure is a fixed armrest of a sofa, and the movable structure is a movable armrest of the sofa. The lifting device used in furniture according to claim 4, wherein the fixed structure is a fixed cabinet of a bedside table, and the movable structure is a movable cabinet of the bedside table.

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