CN214179826U - Mechanical stretching device for movable sofa - Google Patents

Abstract

The utility model discloses a movable sofa machinery extends device, which comprises a base, the top outer wall of base has two first backup pads that the equidistance distributes through the fix with screw on one side, and just two relative one sides of first backup pad all have the dead lever through the fix with screw, the one end that first backup pad was kept away from to the dead lever has electric telescopic handle through the fix with screw, and the one end of electric telescopic handle piston rod has the push pedal through the fix with screw, the top outer wall of push pedal rotates in proper order and is connected with first connection movable telescopic handle, second swing joint telescopic link and connecting rod. The utility model discloses a be provided with base, backup pad, electric telescopic handle, support column, catch plate, first connection movable telescopic handle, second swing joint pole, connecting rod, first fly leaf, second fly leaf, cushion, movable plate, L shape bracing piece, pulley, sliding plate, supporting wheel, backup pad, dead lever and fixed roll, electric telescopic handle extension can promote the push pedal, and the push pedal horizontal migration is guaranteed to the fixed roll.

Description

Mechanical stretching device for movable sofa

Technical Field

The utility model relates to a sofa design technical field especially relates to a movable sofa mechanical stretching device.

Background

The "sofa" is a foreign word, which is transliterated according to the English word sofa. Is a multi-seat chair with soft cushions. The backrest chair is provided with springs or thick foam plastics and the like, and the armrests are arranged on the two sides of the backrest chair, so that the backrest chair is one of soft furniture; the origin of the sofa can be traced back to ancient Egypt about 2000 before the first Gongyuan, but the soft package sofa with the real meaning appears from the end of the sixteen century to the beginning of the seventeen century; the origin of the sofa dates back to the ancient egypt of about 2000 b.c. but the soft package sofa with the real meaning appears from the end of the sixteen century to the beginning of the seventeen century. The sofa of that time mainly used natural elastic materials such as horsehair, bird feather, plant fluff and the like as fillers, and the outside was covered with fabrics such as velvet, embroidery and the like to form a soft human body contact surface, such as the Sixing Geer chair which is popular in Europe at that time and is used by the public, and is one of the earliest sofa chairs.

The existing sofa stretching device has a relatively simple structure, and the stretching part is contracted by generally adopting a sliding fit or hinge mode, but the structure is relatively simple, but the sofa stretching device cannot bear larger force, and the practical range is smaller.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a movable sofa mechanical stretching device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a movable sofa machinery extension fixture, includes the base, the top outer wall of base has the first backup pad that two equidistance distribute through the fix with screw on one side, and two relative one sides of first backup pad all have the dead lever through the fix with screw, the one end that the backup pad was kept away from to the dead lever has electric telescopic handle through the fix with screw, and the one end of electric telescopic handle piston rod has the push pedal through the fix with screw, the top outer wall of push pedal rotates in proper order and is connected with first connection movable telescopic link, second swing joint telescopic link and connecting rod, and first connection movable telescopic link, second swing joint telescopic link and connecting rod are the equidistance and distribute.

Further, the first movable telescopic link, the second movable telescopic link and the connecting rod are sequentially connected with the cushion, the second movable plate and the first movable plate in a rotating mode, the movable plates are fixed to the outer walls of the two sides of the second movable plate and the outer walls of the two sides of the cushion through screws, the L-shaped supporting rods are fixed to the outer walls of the two sides of the first movable plate and the outer walls of the two sides of the second movable plate through screws, one end of each L-shaped supporting rod is slidably connected with a pulley, and the pulleys and the movable plates are in sliding fit.

Further, one side outer wall of cushion articulates there is the back, and all is fixed with the second backup pad through the screw in the middle part of the both sides outer wall of back, and one side outer wall of second backup pad rotates and is connected with the gyro wheel.

Further, the support column that two equidistance distributions were passed through to base top outer wall, and the top outer wall of support column has the swash plate through the fix with screw, and the swash plate forms sliding fit with the gyro wheel.

Furthermore, the top outer wall of base has the fixed roll through the fix with screw, and the fixed roll forms sliding fit with the push pedal.

Further, the top outer wall of base has first fixed block through the fix with screw, and the bottom outer wall of push pedal is provided with the second fixed block, and the outer wall of one side that first fixed block and second fixed block are relative has same reset spring through the fix with screw.

The utility model has the advantages that:

1. the mechanical stretching device of the movable sofa is characterized in that the electric telescopic rod extends through a base, a supporting plate, an electric telescopic rod, a supporting column, a pushing plate, a first connecting movable telescopic rod, a second movable connecting rod, a first movable plate, a second movable plate, a cushion, a movable plate, an L-shaped supporting rod, a pulley, a sliding plate, a supporting wheel, a supporting plate, a fixed rod and a fixed roller, the push pedal can be promoted, the push pedal horizontal migration is guaranteed to the fixed roll, first connection telescopic link, second swing joint telescopic link and connecting rod, first connection telescopic link and the extension of second swing joint telescopic link make first fly leaf, second fly leaf and cushion outwards remove, and the back moves down in the slant, and until back, first fly leaf, second fly leaf and cushion on same level, the completion is extended, like this can the structure relatively stable, can make the device bear bigger power.

2. This activity sofa machine stretching device through being provided with first fixed block, reset spring and second fixed block, and reset spring here plays the supplementary effect of returning the normal position, and mainly when the push pedal was promoted, reset spring can be stretched, produces the power of shrink, and when the push pedal returned the normal position, the power of shrink can help the push pedal to return the normal position.

The part not related in the device all is the same with prior art or can adopt prior art to realize, and the device design structure is reasonable, and convenient to use satisfies people's user demand.

Drawings

Fig. 1 is a schematic structural view of a mechanical stretching device for a movable sofa according to embodiment 1 of the present invention;

fig. 2 is a schematic view of a base structure of a mechanical stretching device for movable sofa according to embodiment 1 of the present invention;

fig. 3 is a front view of a mechanical stretching device for movable sofa according to embodiment 2 of the present invention.

In the figure: 1-base, 2-first supporting plate, 3-electric telescopic rod, 4-supporting column, 5-pushing plate, 6-first movable telescopic rod, 7-second movable telescopic rod, 8-connecting rod, 9-first movable plate, 10-second movable plate, 11-cushion, 12-movable plate, 13-L-shaped supporting rod, 14-pulley, 15-sliding plate, 16-supporting wheel, 17-second supporting plate, 18-fixing rod, 19-fixing roller, 20-first fixing block, 21-reset spring and 22-second fixing block.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-2, a mechanical extension device of movable sofa, including base 1, base 1's top outer wall has two first backup pads 2 that the equidistance distributes through the fix with screw on one side, and two relative one sides of first backup pad 2 all have the dead lever 18 through the fix with screw, the one end that first backup pad 2 was kept away from to dead lever 18 has electric telescopic handle 3 through the fix with screw, and the one end of electric telescopic handle 3 piston rod has push pedal 5 through the fix with screw, the top outer wall of push pedal 5 rotates in proper order and is connected with first swing joint telescopic link 6, second swing joint telescopic link 7 and connecting rod 8, and first swing joint telescopic link 6, second swing joint telescopic link 7 and connecting rod 8 are the equidistance and distribute.

In the utility model, the first movable telescopic rod 6, the second movable telescopic rod 7 and the connecting rod 8 are sequentially and rotatably connected with the cushion 11, the second movable plate 10 and the first movable plate 9, and the outer walls of the two sides of the cushion 11 and the second movable telescopic rod 10 are both fixed with the movable plate 12 by screws, the outer walls of the two sides of the first movable plate 9 and the second movable plate 10 are both fixed with the L-shaped supporting rod 13 by screws, one end of the L-shaped supporting rod 13 is slidably connected with the pulley 14, the pulley 14 and the movable plate 12 form a sliding fit, one outer wall of the cushion 11 is hinged with the backrest, the middle parts of the outer walls of the two sides of the backrest are both fixed with the second supporting plate 17 by screws, one outer wall of the second supporting plate 17 is rotatably connected with the roller 16, the outer wall of the top of the base 1 is fixed with the two support columns 4 which are equidistantly distributed by screws, and the outer wall of the top of the support columns 4 is fixed with the inclined plate 15 by screws, the inclined plate 15 and the roller 16 form a sliding fit, the top outer wall of the base 1 is fixed with a fixed roller 19 through a screw, and the fixed roller 19 and the push plate 5 form sliding fit.

The outer wall of the top of the base 1 is fixed with a first fixing block 20 through a screw, the outer wall of the bottom of the push plate 5 is provided with a second fixing block 22, and the outer wall of one side, opposite to the first fixing block 20 and the second fixing block 22, is fixed with a same reset spring 21 through a screw.

The working principle is as follows: extend electric telescopic handle 3, can promote push pedal 5, fixed roll 19 guarantees push pedal 5 horizontal migration, first connection telescopic link 6, second swing joint telescopic link 7 and connecting rod 8, first connection telescopic link 6 and the extension of second swing joint telescopic link 7 make first fly leaf 9, second fly leaf 10 and cushion 11 outwards move, and the back moves under the slant, until back, first fly leaf 9, second fly leaf 10 and cushion 11 are on same level, accomplish the extension.

Example 2

Referring to fig. 3, in this embodiment, compared with embodiment 1, the mechanical stretching device for a movable sofa further includes a first fixing block 20 fixed to the top outer wall of the base 1 through a screw, a second fixing block 22 is disposed on the bottom outer wall of the push plate 5, and the same return spring 21 is fixed to the outer wall of the first fixing block 20 and the outer wall of the second fixing block 22 on the opposite side through a screw.

The working principle is as follows: 2. the return spring 21 plays a role in assisting the return to the original position, and mainly, when the push plate 5 is pushed, the return spring 21 is stretched to generate a contraction force, and when the push plate 5 returns to the original position, the contraction force can help the push plate 5 return to the original position.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a movable sofa machinery extends device, includes base (1), its characterized in that, the top outer wall of base (1) has first backup pad (2) that two equidistance distribute through the fix with screw on one side, and all has dead lever (18) through the fix with screw in two first backup pad (2) relative one sides, the one end that first backup pad (2) were kept away from in dead lever (18) has electric telescopic handle (3) through the fix with screw, and the one end of electric telescopic handle (3) piston rod has push pedal (5) through the fix with screw, the top outer wall of push pedal (5) rotates in proper order and is connected with first connection movable telescopic link (6), second swing joint telescopic link (7) and connecting rod (8), and first connection movable telescopic link (6), second swing joint telescopic link (7) and connecting rod (8) are the equidistance and distribute.

2. The mechanical stretching device for the movable sofa according to claim 1, wherein the first movable connecting telescopic rod (6), the second movable connecting telescopic rod (7) and the connecting rod (8) are sequentially and rotatably connected with the cushion (11), the second movable plate (10) and the first movable plate (9), the movable plates (12) are fixed on the outer walls of the two sides of the second movable plate (10) and the cushion (11) through screws, the L-shaped supporting rods (13) are fixed on the outer walls of the two sides of the first movable plate (9) and the second movable plate (10) through screws, one end of each L-shaped supporting rod (13) is slidably connected with a pulley (14), and the pulleys (14) and the movable plates (12) form a sliding fit.

3. The mechanical stretching device for movable sofa as claimed in claim 2, wherein one side of the cushion (11) is hinged with a backrest, and a second supporting plate (17) is fixed on the middle part of the outer wall of the two sides of the backrest through screws, and the outer wall of one side of the second supporting plate (17) is rotatably connected with a roller (16).

4. Mechanical stretching device for movable sofa according to claim 1, characterized in that the top outer wall of base (1) is fixed with two support columns (4) with equal distance distribution by screws, and the top outer wall of support column (4) is fixed with inclined plate (15) by screws, the inclined plate (15) and the rollers (16) form sliding fit.

5. Mechanical stretching device for movable sofa according to claim 4, characterized in that the top outer wall of base (1) is fixed with fixed roller (19) by screws, and the fixed roller (19) forms sliding fit with push plate (5).

6. The mechanical stretching device of movable sofa as claimed in claim 1, wherein the top outer wall of base (1) is fixed with a first fixing block (20) by screws, and the bottom outer wall of push plate (5) is provided with a second fixing block (22), and the outer wall of the opposite side of the first fixing block (20) and the second fixing block (22) is fixed with the same return spring (21) by screws.

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