Simple sofa stretching device

Abstract

The utility model relates to the technical field of sofas, and discloses a simple and convenient sofa stretching device which comprises a sofa body, the top of the sofa body is fixedly connected with a handrail, the bottom of the sofa body is fixedly connected with a connecting column, and the interior of the connecting column is slidably connected with a first sliding rod and a second sliding rod. A first spring is fixedly connected between the first sliding rod and the second sliding rod, the middle of the connecting column is slidably connected with a plug pin, the outer side of the plug pin is sleeved with a second spring, the middle of the plug pin is fixedly connected with a first limiting piece, the bottom of the second sliding rod is fixedly connected with a universal wheel, and a storage assembly is arranged in the handrail. According to the sofa disclosed by the utility model, under the matching of frameworks such as the plug pin, the spring II, the sliding rod II, the spring I, the sliding rod II and the universal wheels, the sofa body is integrally lifted, the sofa body can be conveniently and quickly moved at any angle, the sofa body does not need to be manually moved, time and labor are saved, and the practicability of the sofa is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sofa technical field especially, it relates to a simple sofa stretching device. BACKGROUND

[0002] The sofa is the sitting furniture with spring or thick foam plastic, generally has backrest and handrail.

[0003] The sofa is generally installed with stretching device to improve the practicality of sofa, and the stretching device can improve the function or comfort of sofa, which is very important for the user.

[0004] In the prior art, the sofa stretching device can well expand the functionality of the sofa, but there are deficiencies, the sofa stretching structure is relatively complex, the stretching component is not conducive to mold opening, the production cost is larger, and many components lead to the overall quality being very heavy, which is not conducive to carrying, so that the sofa has poor applicability, and the sofa does not have the function of moving position conveniently and labor-savingly in some special situations, therefore, a simple sofa stretching device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above deficiencies, the utility model provides a simple sofa stretching device, which aims at improving the problems in the prior art that the sofa stretching structure is relatively complex, the stretching component is not conducive to mold opening, the production cost is larger, and many components lead to the overall quality being very heavy, which is not conducive to carrying, so that the sofa has poor applicability, and the sofa does not have the function of moving position conveniently and labor-savingly in some special situations.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A simple sofa stretching device, including sofa body, the top of sofa body is fixedly connected with handrail, the bottom of sofa body is fixedly connected with connecting column, the inside of connecting column is slidably connected with slide rod one and slide rod two, slide rod one and slide rod two are fixedly connected with spring one between, the middle part of connecting column is slidably connected with bolt, the outside of bolt is equipped with spring two, the middle part of bolt is fixedly connected with limit piece one, the bottom of slide rod two is fixedly connected with universal wheel, the inside of handrail is provided with storage assembly, and the purpose of this assembly is to increase the storage function of sofa body.

[0008] Further description of the above technical scheme:

[0009] The storage assembly includes a storage box, the storage box is slidably connected in the inside of the handrail, the middle part of the handrail is slidably connected with a pull rod, the outside of the connecting column is equipped with a spring three, and the middle part of the connecting column is fixedly connected with a limit piece two.

[0010] As a further description of the above technical solutions:

[0011] The inside of the connecting column is provided with an inner cavity, and the limiting sheet and the bolt are arranged in the inner cavity.

[0012] As a further description of the above technical solutions:

[0013] The universal wheel is slidingly connected in the inside of the connecting column, and the bolt is slidingly connected on one side of the second sliding rod.

[0014] As a further description of the above technical solutions:

[0015] One end of the storage box is fixedly connected with a protruding block, and one side of the storage box is provided with a hole.

[0016] As a further description of the above technical solutions:

[0017] The armrests and the storage boxes are specifically provided in plurality, and the plurality of armrests and the plurality of storage boxes are arranged on the top of the sofa body.

[0018] As a further description of the above technical solutions:

[0019] The inside of the sofa body is fixedly connected with a fixed rod, the top of the sofa body is provided with a headrest, and the headrest is slidingly connected to the outside of the fixed rod.

[0020] As a further description of the above technical solutions:

[0021] The bottom of the connecting column is fixedly connected with a wear-resistant pad, and the second sliding rod is slidingly connected in the inside of the connecting column.

[0022] The utility model has the advantages of the following beneficial effects:

[0023] 1、 in the utility model, by pulling the bolt outward, spring two is compressed, the bolt and the second sliding rod are separated from each other, under the action of spring one, make the second sliding rod move downwards, the second sliding rod drives the universal wheel to move downwards, the sofa body is overall promoted, can conveniently and quickly move the sofa body at any angle, need not manpower to move the sofa body, save time and effort, improve the practicality of the device.

[0024] 2、 in the utility model, by pulling the pull rod outward, spring three is compressed, the pull rod and the hole are separated from each other, then pull the protruding block, the protruding block drives the storage box to draw out, push the protruding block, the protruding block drives the storage box and the hole to slide to the inside of the armrest, when pushing to the bottom, release the pull rod, under the action of spring three, make the pull rod and the hole be mutually clamped, fix the storage box, increase the storage function of the sofa body, convenient for user to use, strengthen the practicality of the device. DRAWINGS

[0025] Figure 1 A three-dimensional schematic view of a simple sofa stretching device is provided for the utility model;

[0026] Figure 2 A structure schematic view of an armrest of a simple sofa stretching device is provided for the utility model;

[0027] Figure 3 A structure schematic view of a universal wheel of a simple sofa stretching device is provided for the utility model;

[0028] Figure 4 A structure schematic view of a pull rod of a simple sofa stretching device is provided for the utility model;

[0029] Figure 5 A headrest structure schematic view of a simple sofa stretching device is provided for the utility model.

[0030] Legend:

[0031] 1, sofa body; 2, armrest; 3, storage box; 4, connecting column; 5, wear-resistant pad; 6, sliding rod one; 7, sliding rod two; 8, spring one; 9, bolt; 10, spring two; 11, limit piece one; 12, inner cavity; 13, universal wheel; 14, pull rod; 15, spring three; 16, limit piece two; 17, hole; 18, protruding block; 19, fixed rod; 20, headrest. Specific implementation

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0033] Refer to Figure 1 , Figure 2 and Figure 3The utility model provides a kind of simple sofa stretching device of embodiment provided by the utility model: simple sofa stretching device, including sofa body 1, the top of sofa body 1 is fixedly connected with handrail 2, the bottom of sofa body 1 is fixedly connected with connecting column 4, the inside of connecting column 4 is slidably connected with slide bar one 6 and slide bar two 7, slide bar one 6 and slide bar two 7 are fixedly connected with spring one 8, the middle part of connecting column 4 is slidably connected with bolt 9, the outside of bolt 9 is equipped with spring two 10, the middle part of bolt 9 is fixedly connected with limit sheet one 11, the bottom of slide bar two 7 is fixedly connected with universal wheel 13, the inside of handrail 2 is provided with storage assembly, the purpose of this assembly is to increase the storage function of sofa body 1, when sofa body 1 needs to be moved, pull bolt 9 outward, spring two 10 is compressed, bolt 9 and slide bar two 7 are separated from each other, at this time, under the action of spring one 8, make slide bar two 7 move downward, slide bar two 7 drives universal wheel 13 to move downward, sofa body 1 is lifted as a whole, sofa body 1 can be conveniently and quickly moved at any angle at this time, without manpower to lift sofa body 1, save time and effort, improve the practicability of the device;

[0034] Referring to Figure 1 、 Figure 2 and Figure 4 , storage assembly includes storage box 3, the inside of handrail 2 is slidably connected with storage box 3, the middle part of handrail 2 is slidably connected with pull rod 14, the outside of connecting column 4 is equipped with spring three 15, the middle part of connecting column 4 is fixedly connected with limit sheet two 16, pull rod 14 outward, spring three 15 is compressed, pull rod 14 and hole 17 are separated from each other, again pull protruding block 18, protruding block 18 drives storage box 3 to draw out, can take out or place article, push protruding block 18, protruding block 18 drives storage box 3 and hole 17 to slide to the inside of handrail 2, when pushing to the bottom, release pull rod 14, under the action of spring three 15, make pull rod 14 and hole 17 mutually clamped, fix storage box 3, increase the storage function of sofa body 1, it is convenient for user to use, enhance the practicability of the device.

[0035] Referring to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5The inside of the connecting column 4 is provided with an inner cavity 12, the limiting sheet one 11 and the bolt 9 are arranged in the inner cavity 12, the universal wheel 13 is slidingly connected to the inside of the connecting column 4, the bolt 9 is slidingly connected to one side of the slide rod two 7, one end of the storage box 3 is fixedly connected with a protruding block 18, a hole 17 is arranged on one side of the storage box 3, the handrails 2 and the storage boxes 3 are specifically provided with a plurality of, the storage box 3 can store articles, the plurality of handrails 2 and the plurality of storage boxes 3 are arranged on the top of the sofa body 1, the inside of the sofa body 1 is fixedly connected with a fixed rod 19, the top of the sofa body 1 is provided with a headrest 20, the headrest 20 is convenient for headrest, the headrest 20 is slidingly connected to the outside of the fixed rod 19, the bottom of the connecting column 4 is fixedly connected with a wear-resistant pad 5, the wear-resistant pad 5 prevents the ground from being damaged by friction, the slide rod two 7 is slidingly connected to the inside of the connecting column 4.

[0036] Working principle: when the sofa body 1 needs to be moved, the bolt 9 is pulled outwards, the spring two 10 is compressed, the bolt 9 and the slide rod two 7 are separated from each other, at this time, under the action of the spring one 8, the slide rod two 7 moves downwards, the slide rod two 7 drives the universal wheel 13 to move downwards, the sofa body 1 is lifted as a whole, at this time, the sofa body 1 can be conveniently and quickly moved at any angle, without the need for manual lifting of the sofa body 1, time and labor are saved, the practicability of the device is improved, when articles need to be stored, the pull rod 14 is pulled outwards, the spring three 15 is compressed, the pull rod 14 and the hole 17 are separated from each other, the protruding block 18 is pulled again, the protruding block 18 drives the storage box 3 to be pulled out, articles can be taken out or placed, the protruding block 18 is pushed, the protruding block 18 drives the storage box 3 and the hole 17 to slide into the inside of the handrail 2, when pushed to the bottom, the pull rod 14 is loosened, under the action of the spring three 15, the pull rod 14 and the hole 17 are clamped with each other, the storage box 3 is fixed, the storage function of the sofa body 1 is increased, the user's use is convenient, the practicability of the device is improved.

[0037] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A simple sofa extender device comprising a sofa body (1), characterized in that: The top of the sofa body (1) is fixedly connected with an armrest (2), the bottom of the sofa body (1) is fixedly connected with a connecting column (4), the inside of the connecting column (4) is slidably connected with a sliding rod one (6) and a sliding rod two (7), the sliding rod one (6) and the sliding rod two (7) are fixedly connected with a spring one (8) between the sliding rod one (6) and the sliding rod two (7), the middle of the connecting column (4) is slidably connected with a bolt (9), the outside of the bolt (9) is sleeved with a spring two (10), the middle of the bolt (9) is fixedly connected with a limiting sheet one (11), the bottom of the sliding rod two (7) is fixedly connected with a universal wheel (13), the inside of the armrest (2) is provided with a storage assembly, and the purpose of the assembly is to increase the storage function of the sofa body (1).

2. A simple sofa extender device as claimed in claim 1, wherein: The storage assembly comprises a storage box (3), the storage box (3) is slidably connected in the inside of the armrest (2), the middle of the armrest (2) is slidably connected with a pull rod (14), the outside of the connecting column (4) is sleeved with a spring three (15), and the middle of the connecting column (4) is fixedly connected with a limiting sheet two (16).

3. A simple sofa extender as defined in claim 1, wherein: The inside of the connecting column (4) is provided with an inner cavity (12), and the limiting sheet one (11) and the bolt (9) are arranged in the inner cavity (12).

4. A simple sofa extender as defined in claim 1, wherein: The universal wheel (13) is slidably connected in the inside of the connecting column (4), and the bolt (9) is slidably connected on one side of the sliding rod two (7).

5. A simple sofa extender as defined in claim 2, wherein: One end of the storage box (3) is fixedly connected with a protruding block (18), and one side of the storage box (3) is provided with a hole (17).

6. A simple sofa extender as defined in claim 2, wherein: The armrest (2) and the storage box (3) are both specifically provided with a plurality of armrests (2) and a plurality of storage boxes (3), and the plurality of armrests (2) and the plurality of storage boxes (3) are arranged on the top of the sofa body (1).

7. A simple sofa extender as defined in claim 2, wherein: The inside of the sofa body (1) is fixedly connected with a fixed rod (19), the top of the sofa body (1) is provided with a headrest (20), and the headrest (20) is slidably connected on the outside of the fixed rod (19).

8. A simple sofa extender as defined in claim 1, wherein: The bottom of the connecting column (4) is fixedly connected with a wear-resistant pad (5), and the sliding rod two (7) is slidably connected in the inside of the connecting column (4).

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