CN218999923U - Anti-falling sand-lifting assisting hair - Google Patents

Abstract

The utility model relates to the technical field of furniture manufacturing, and discloses an anti-falling and lifting-assisting sofa, which comprises: a base; the sofa body comprises a cushion part, a backrest part and an armrest part; one end of the support component is connected with the sofa body, the other end of the support component is connected with the base, and the sofa body is movably arranged on the base through the support component; the pushing mechanism is arranged on the base and can drive the sofa body to move through telescopic movement; and an anti-drop handle device embedded in the armrest portion, the anti-drop handle device being capable of being extended upward from the armrest portion or retracted completely into the inside of the armrest portion by pressing. According to the anti-falling and sand-lifting assisting device, the anti-falling handle device is arranged, so that a user can hold the anti-falling and sand-lifting assisting device in a holding manner during lifting, the user is prevented from falling down due to forward leaning of the body in the lifting assisting process, and the anti-falling and sand-lifting assisting device is retracted when not needed to be used, so that interference is avoided.

Description

Anti-falling sand-lifting assisting hair

Technical Field

The utility model relates to the technical field of furniture manufacturing, in particular to an anti-falling and lifting-assisting sofa.

Background

The existing functional sofa has powerful functions, not only has a massage function, but also can adjust the angles of the backrest and the foot rest according to the requirements of users, so that the users can keep comfortable postures.

However, for some old people or other people with inconvenient actions, the sofa is difficult to get up after being used, and although the sofa with partial functions has the function of helping to get up in the market at present, people can be helped to get up through the action of the sofa, but the problem that the user easily falls forward in the helping process is not considered, and a certain use risk exists.

Therefore, there is a need for anti-falling and sand-generating assistance to solve the above-mentioned technical problems.

Disclosure of Invention

Based on the above, the utility model aims to provide an anti-falling and lifting sofa, which is provided with an anti-falling handle device, is held by a user during lifting, prevents the user from falling down due to forward leaning of the body during lifting, and is retracted to avoid interference when the sofa is not in use.

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

providing an anti-crash lift-assisted sofa comprising:

a base;

the sofa body comprises a cushion part, a backrest part and an armrest part;

one end of the support component is connected with the sofa body, the other end of the support component is connected with the base, and the sofa body is movably arranged on the base through the support component;

the pushing mechanism is arranged on the base, and can drive the sofa body to move through telescopic movement; and

and the anti-falling handle device is embedded in the handrail part and can be pushed to extend upwards from the handrail part or retract into the handrail part completely.

As an optional technical solution of the anti-falling lifting sofa, the anti-falling handle device comprises:

the shell is of a cylindrical sleeve structure and is embedded in the handrail part along the vertical direction, and a first limiting part and a second limiting part with different heights are arranged on the shell;

the handle is in a cylindrical structure, the handle is arranged in the shell in a sliding manner, and a clamping part is arranged at the bottom of the handle;

the stop slide block is arranged in the shell in a sliding manner, is positioned below the handle and is provided with a pushing part;

the elastic piece is in butt joint or connection with the stop sliding block and can drive the stop sliding block to slide upwards, so that the butt pushing part is in butt joint with the clamping part or the first limiting part, and the butt pushing part can rotate around the axis of the shell under the action of the clamping part or the first limiting part so as to be alternatively clamped into the first limiting part and the second limiting part.

As an optional technical scheme of the anti-falling and lifting sofa, the first limiting part is arranged on the inner peripheral wall of the shell, the first limiting part comprises a first guiding structure and a first protruding block which are arranged along a first circumferential direction, the first protruding block protrudes downwards, and inclined surfaces which incline upwards along the first circumferential direction are arranged at the bottoms of the first guiding structure and the first protruding block;

the pushing part is arranged on the periphery of the stop slide block, and the upper end of the pushing part is provided with an inclined plane which is inclined upwards along the first circumferential direction.

As an optional technical scheme of the anti-falling and lifting-assisting sofa, the clamping part is arranged on the periphery of the handle, and an inclined plane which is inclined upwards along the first circumferential direction is arranged at the lower end of the clamping part.

As an optional technical scheme of anti-falling and lifting-assisting sofa, the second limiting part is arranged to be of a straight groove structure extending along the axis direction of the shell, the width of the clamping part and the width of the pushing part in the first circumferential direction do not exceed the width of the second limiting part, the clamping part is slidably arranged in the second limiting part, and the elastic piece can drive the clamping part to slide upwards along the second limiting part and drive the handle to extend upwards out of the shell.

As an optional technical scheme of anti-falling and lifting-assisting sofa, the number of the first limiting part, the second limiting part, the clamping part and the pushing part is not less than two, and the first limiting part, the second limiting part, the clamping part and the pushing part are uniformly distributed along the first circumference.

As an optional technical scheme of the anti-falling lifting sofa, the first limiting part, the second limiting part, the clamping part and the pushing part are equal in number.

As an optional technical scheme of the anti-falling and lifting sofa, the anti-falling handle device further comprises a bottom cover, the bottom cover is in threaded connection with the bottom of the shell, the lower end of the elastic piece is connected or abutted to the bottom cover, and the upper end of the elastic piece is abutted or connected to the stop sliding block.

As an alternative technical scheme of the anti-falling and lifting-assisting sofa, the elastic piece adopts a compression spring.

As an optional technical scheme of the anti-falling lifting sofa, the support assembly comprises a first support rod, a second support rod and a sofa frame for bearing the sofa body, one end of the first support rod is rotatably connected with the base, and the other end of the first support rod is rotatably connected with the sofa frame; one end of the second supporting rod is rotatably connected to the base, and the other end of the second supporting rod is rotatably connected to the sofa frame;

the body of the pushing mechanism is rotationally connected with the base, and the movable end of the pushing mechanism is rotationally connected with the sofa frame.

The beneficial effects of the utility model are as follows:

the anti-falling and lifting-assisting sofa provided by the utility model can push the sofa body to move relative to the base under the action of the pushing mechanism, so that the sofa body is switched between a horizontal state and an inclined state, and the function of assisting a user in lifting is realized. The anti-falling handle device is arranged on the handrail part of the sofa body, and before the pushing mechanism drives the sofa body to turn upwards, a user can push the anti-falling handle device to extend upwards from the handrail part so as to hold the sofa body by the hand, and the user is prevented from falling down due to forward body tilting in the lifting assisting process; when the anti-falling handle device is not needed, a user can directly press the anti-falling handle device into the armrest part, so that interference is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic view of an anti-fall lift sofa according to the present utility model in a horizontal position;

FIG. 2 is a schematic view of the anti-falling lift-assisting sofa according to the present utility model;

FIG. 3 is an exploded view of the anti-crash grip apparatus provided by the present utility model;

FIG. 4 is a cross-sectional view of the anti-crash grip apparatus provided by the present utility model;

fig. 5 is a schematic view of the internal structure of the housing provided by the present utility model.

In the figure:

100. a base; 11. a bottom plate; 12. a mounting ear; 13. a walking wheel;

200. a sofa body; 21. a cushion section; 22. a backrest part; 23. a handrail part;

300. a support assembly; 31. a first support bar; 32. a second support bar; 33. a sofa frame;

400. a pushing mechanism;

500. an anti-drop handle device; 51. a housing; 511. a first limit part; 5111. a first guide structure; 5112. a first bump; 512. a second limit part; 52. a handle; 521. a clamping part; 53. a stop slide; 531. a pushing part; 54. an elastic member; 55. and (3) a bottom cover.

Detailed Description

In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

The present embodiment provides an anti-falling and lifting sofa, as shown in fig. 1 to 5, the anti-falling and lifting sofa includes a base 100, a sofa body 200, a support assembly 300, a pushing mechanism 400, and an anti-falling handle device 500. Wherein the sofa body 200 includes a cushion portion 21, a backrest portion 22, and an armrest portion 23; one end of the support assembly 300 is connected with the sofa body 200, the other end is connected with the base 100, and the sofa body 200 is movably arranged on the base 100 through the support assembly 300; the body of the pushing mechanism 400 is arranged on the base 100, and the pushing mechanism 400 can drive the sofa body 200 to move through telescopic movement; the drop-resistant handle device 500 is embedded in the armrest portion 23, and the drop-resistant handle device 500 can be extended upward from the armrest portion 23 or retracted completely inside the armrest portion 23 by pressing.

Specifically, the anti-falling and lifting-assisting sofa provided in this embodiment can push the sofa body 200 to move relative to the base 100 under the action of the pushing mechanism 400, so that the sofa body 200 is switched between a horizontal state and an inclined state, and a function of assisting a user to stand up is achieved. The anti-falling handle device 500 is arranged on the armrest part 23 of the sofa body 200, and before the pushing mechanism 400 drives the sofa body 200 to turn upwards, a user can push the anti-falling handle device 500 upwards to extend out of the armrest part 23 so as to hold the sofa body by the hand, and the user is prevented from falling down due to forward leaning of the body in the lifting process; when the anti-drop grip apparatus 500 is not required to be used, the user can directly press the anti-drop grip apparatus 500 into the armrest portion 23, avoiding interference.

Alternatively, the base 100 includes a base plate 11 and a mounting lug 12 fixed to the base plate 11, and the support assembly 300 is connected to the mounting lug 12.

Further, the support assembly 300 includes a first support rod 31, a second support rod 32, and a sofa frame 33 for carrying the sofa body 200, wherein one end of the first support rod 31 is rotatably connected to the mounting ear 12 of the base 100, and the other end is rotatably connected to the sofa frame 33; one end of the second support bar 32 is rotatably connected to the mounting lug 12 of the base 100, and the other end is rotatably connected to the sofa frame 33; the body of the pushing mechanism 400 is rotatably connected with the bottom plate 11, and the movable end of the pushing mechanism 400 is rotatably connected with the sofa frame 33. When the pushing mechanism 400 is completely retracted, the sofa body 200 is in a horizontal state as shown in fig. 1, at this time, the sofa body 200 is abutted against the bottom plate 11 of the base 100, and the bottom plate 11 directly supports the sofa body 200; when the pushing mechanism 400 is extended, the sofa body 200 is tilted forward and gradually drives the first support rod 31 and the second support rod 32 to rotate upward until the pushing mechanism 400 is completely extended, and at this time, the pushing mechanism 400, the first support rod 31 and the second support rod 32 support the sofa body 200 together.

Alternatively, the pushing mechanism 400 employs a linear drive. Preferably, the pushing mechanism 400 employs a hydraulic lever or an electric push rod.

Optionally, the base 100 further includes a plurality of travelling wheels 13, and the plurality of travelling wheels 13 are rotatably mounted on the bottom plate 11, so as to realize horizontal movement of the anti-falling sofa.

Preferably, the anti-falling and sand-lifting assisting hair further comprises a power supply device (not shown in the figure) and a control button (not shown in the figure), wherein the power supply device is embedded in the sofa body 200, a storage battery can be adopted, the control button is arranged on the armrest part 23, and the power supply device and the control button are electrically connected with the pushing mechanism 400.

Alternatively, as shown in fig. 3-5, the anti-crash grip apparatus 500 includes a housing 51, a grip 52, a stop slider 53, and an elastic member 54. The outer shell 51 is of a cylindrical sleeve structure and is embedded in the armrest part 23 along the vertical direction, and a first limiting part 511 and a second limiting part 512 with different heights are arranged on the outer shell 51; the handle 52 is provided with a cylindrical structure, the handle 52 is slidably arranged in the shell 51, and the bottom of the handle 52 is provided with a clamping part 521; the stop slide block 53 is slidably arranged in the shell 51, the stop slide block 53 is positioned below the handle 52, and the stop slide block 53 is provided with a pushing part 531; the elastic member 54 is abutted or connected with the stop slider 53, and can drive the stop slider 53 to slide upwards, so that the abutting portion 531 abuts against the clamping portion 521 or the first limiting portion 511, and the abutting portion 531 can rotate around the axis of the housing 51 under the action of the clamping portion 521 or the first limiting portion 511, so as to be alternately clamped into the first limiting portion 511 and the second limiting portion 512.

Further, as shown in fig. 5, the first limiting portion 511 is disposed on an inner peripheral wall of the housing 51, the first limiting portion 511 includes a first guiding structure 5111 and a first protruding block 5112 arranged along a first circumferential direction, the first protruding block 5112 protrudes downward and can limit the pushing portion 531 abutting against the first limiting portion from the side to rotate along the first circumferential direction, and inclined surfaces inclined upward along the first circumferential direction are disposed at bottoms of the first guiding structure 5111 and the first protruding block 5112; the pushing portion 531 is provided on the peripheral portion of the stopper slider 53, and an inclined surface inclined upward in the first circumferential direction is provided at the upper end of the pushing portion 531. The second limiting portion 512 is configured as a straight groove extending along the axial direction of the housing 51, the widths of the clamping portion 521 and the pushing portion 531 in the first circumferential direction do not exceed the width of the second limiting portion 512, the clamping portion 521 is slidably disposed in the second limiting portion 512, and the elastic member 54 can drive the clamping portion 521 to slide upward along the second limiting portion 512 and drive the handle 52 to extend upward out of the housing 51.

Alternatively, the detent 521 is provided on the peripheral portion of the handle 52, and the lower end of the detent 521 is provided with a slope inclined upward in the first circumferential direction.

Specifically, when the inclined surface of the pushing portion 531 abuts against the inclined surface of the first limiting portion 511 or the clamping portion 521, the pushing portion 531 rotates by a certain angle along the first circumferential direction under the action of the elastic member 54, so that the first limiting portion 511 and the second limiting portion 512 are clamped alternately, and the effect of alternately ejecting and retracting the handle 52 when the handle 52 is pressed successively is achieved.

Preferably, the number of the first limiting portion 511, the second limiting portion 512, the clamping portion 521 and the pushing portion 531 is not less than two and is uniformly distributed along the first circumferential direction.

Preferably, the first limiting portion 511, the second limiting portion 512, the positioning portion 521 and the pushing portion 531 are provided in equal numbers. In the present embodiment, the number of the first limiting portion 511, the second limiting portion 512, the clamping portion 521 and the pushing portion 531 is four.

Optionally, the anti-falling handle device 500 further includes a bottom cover 55, the bottom cover 55 is screwed on the bottom of the housing 51, the lower end of the elastic member 54 is connected or abutted with the bottom cover 55, and the upper end of the elastic member 54 is abutted or connected with the stop slider 53.

Preferably, the elastic member 54 employs a compression spring.

Preferably, the anti-falling handle devices 500 are embedded in the armrest portions 23 positioned on the left and right sides.

Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims (10)

1. Anti-falling and lifting-assisting sofa is characterized by comprising:

a base (100);

a sofa body (200) comprising a cushion part (21), a backrest part (22) and an armrest part (23);

the support assembly (300) is connected with the sofa body (200) at one end and the base (100) at the other end, and the sofa body (200) is movably arranged on the base (100) through the support assembly (300);

the pushing mechanism (400) is arranged on the base (100), and the pushing mechanism (400) can drive the sofa body (200) to move through telescopic movement; and

an anti-drop handle device (500) is embedded in the armrest part (23), and the anti-drop handle device (500) can be pushed to extend upwards from the armrest part (23) or completely retract into the armrest part (23).

2. The anti-fall lift sofa according to claim 1, characterized in that said anti-fall handle means (500) comprise:

the shell (51) is of a cylindrical sleeve structure and is embedded in the handrail part (23) along the vertical direction, and a first limiting part (511) and a second limiting part (512) with different heights are arranged on the shell (51);

a handle (52) which is provided in a cylindrical structure, wherein the handle (52) is slidably provided in the housing (51), and a clamping portion (521) is provided at the bottom of the handle (52);

the stop slide block (53) is arranged in the shell (51) in a sliding manner, the stop slide block (53) is positioned below the handle (52), and the stop slide block (53) is provided with a pushing part (531);

the elastic piece (54) is abutted or connected with the stop sliding block (53) and can drive the stop sliding block (53) to slide upwards, so that the abutting part (531) is abutted with the clamping part (521) or the first limiting part (511), and the abutting part (531) can rotate around the axis of the shell (51) under the action of the clamping part (521) or the first limiting part (511) to be alternately clamped into the first limiting part (511) and the second limiting part (512).

3. The anti-falling and lifting sofa according to claim 2, wherein the first limiting part (511) is arranged on the inner peripheral wall of the outer shell (51), the first limiting part (511) comprises a first guiding structure (5111) and a first protruding block (5112) which are arranged along a first circumferential direction, the first protruding block (5112) protrudes downwards, and inclined surfaces which are inclined upwards along the first circumferential direction are arranged at the bottoms of the first guiding structure (5111) and the first protruding block (5112);

the pushing part (531) is arranged on the periphery of the stop slide block (53), and an inclined surface which is inclined upwards along the first circumferential direction is arranged at the upper end of the pushing part (531).

4. The anti-drop lift-assist sofa according to claim 3, wherein the detent (521) is provided on the periphery of the handle (52), and a slope inclined upward in the first circumferential direction is provided at the lower end of the detent (521).

5. The anti-drop lift-aiding sofa according to claim 4, wherein the second limiting portion (512) is configured as a straight groove structure extending along the axial direction of the housing (51), the width of the clamping portion (521) and the pushing portion (531) in the first circumferential direction does not exceed the width of the second limiting portion (512), the clamping portion (521) is slidably disposed in the second limiting portion (512), and the elastic member (54) can drive the clamping portion (521) to slide upwards along the second limiting portion (512) and drive the handle (52) to extend upwards out of the housing (51).

6. The anti-drop lift-aiding sofa according to claim 3, wherein the number of the first limiting portion (511), the second limiting portion (512), the clamping portion (521) and the pushing portion (531) is not less than two and is uniformly distributed along the first circumferential direction.

7. The anti-drop lift-assistance sofa according to claim 6, characterized in that the first limit portion (511), the second limit portion (512), the clamping portion (521) and the pushing portion (531) are provided in equal numbers.

8. The anti-drop lift-assistance sofa according to claim 2, characterized in that said anti-drop handle device (500) further comprises a bottom cover (55), said bottom cover (55) being screwed to the bottom of said outer shell (51), the lower end of said elastic member (54) being connected or abutting with said bottom cover (55), the upper end of said elastic member (54) being abutting or connected with said stop slider (53).

9. The anti-roll lift sofa of claim 8 wherein said resilient member (54) is a compression spring.

10. The anti-fall lift sofa according to any one of claims 1-9, characterized in that said support assembly (300) comprises a first support bar (31), a second support bar (32) and a sofa frame (33) for carrying said sofa body (200), said first support bar (31) being rotatably connected at one end to said base (100) and at the other end to said sofa frame (33); one end of the second supporting rod (32) is rotatably connected with the base (100), and the other end of the second supporting rod is rotatably connected with the sofa frame (33);

the body of the pushing mechanism (400) is rotationally connected with the base (100), and the movable end of the pushing mechanism (400) is rotationally connected with the sofa frame (33).

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