CN212591211U

CN212591211U - Simple sofa stretching device

Info

Publication number: CN212591211U
Application number: CN202021166297.6U
Authority: CN
Inventors: 徐海峰
Original assignee: Jiangsu Shuyida Machinery Co ltd
Current assignee: Jiangsu Shuyida Machinery Co ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-02-26
Anticipated expiration: 2030-06-22

Abstract

The utility model discloses a simple and convenient sofa stretching device, including drain pan, complementary unit, actuating mechanism, coupling mechanism and stop gear, the complementary unit rather than the looks adaptation is installed on the right side of drain pan, the actuating mechanism with complementary unit looks adaptation is installed in the left side of drain pan inner wall, the coupling mechanism that the symmetry set up is installed in complementary unit's left side, actuating mechanism's top all is provided with the stop gear with drain pan looks adaptation with the bottom, complementary unit includes supplementary cushion, standing groove, increases the pad, permanent magnet and iron plate, two standing grooves have been seted up on the right side of supplementary cushion. The utility model discloses a mutually supporting between drain pan, complementary unit, actuating mechanism, coupling mechanism and the stop gear, realized a simple and convenient sofa stretching device, simple structure not only, convenient operation can adjust as required sofa's length moreover, can use as the sofa bed, and then makes this device suitability wider.

Description

Simple sofa stretching device

Technical Field

The utility model relates to a sofa technical field specifically is a simple and convenient sofa stretching device.

Background

A sofa refers to a seat equipped with springs or thick foam, etc., and generally has a backrest and armrests. Along with quality of life's improvement, the sofa generally installs the practicality that extends the device and improve the sofa, but common sofa structure is complicated, and the shape of each connecting rod is unfavorable for the die sinking moreover, and manufacturing cost is great, and the connecting rod leads to the whole quality very heavily to be unfavorable for the transport moreover a lot, and common sofa is not convenient for extend to make the sofa suitability relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a simple sofa stretching device.

In order to achieve the above object, the utility model provides a following technical scheme: a simple sofa stretching device comprises a bottom shell, an auxiliary mechanism, a driving mechanism, a connecting mechanism and a limiting mechanism, wherein the auxiliary mechanism matched with the bottom shell is installed on the right side of the bottom shell, the driving mechanism matched with the auxiliary mechanism is installed on the left side of the inner wall of the bottom shell, the connecting mechanisms symmetrically arranged are installed on the left side of the auxiliary mechanism, and the limiting mechanisms matched with the bottom shell are respectively arranged at the top and the bottom of the driving mechanism;

the auxiliary mechanism comprises an auxiliary cushion, placing grooves, a heightening pad, a permanent magnet and an iron block, wherein the two placing grooves are formed in the right side of the auxiliary cushion, the heightening pad matched with the placing grooves is placed in the placing grooves, the permanent magnet is fixedly installed on the left side of the heightening pad, and the iron block matched with the permanent magnet is fixedly connected to the left side of the inner wall of the placing grooves;

the driving mechanism comprises a driving cylinder, a driving rod and a driving block, the driving cylinder is fixedly installed at the midpoint of the left side of the inner wall of the bottom shell, the driving rod is fixedly connected to the output end of the driving cylinder, the driving block is fixedly connected to the right side of the driving rod, and the right side of the driving block is fixedly connected with the left side of the auxiliary cushion;

the connecting mechanism comprises a first connecting block, a second connecting block, sleeve columns and a connecting spring, wherein one side of the first connecting block, which is close to the bottom shell, is fixedly connected with the first connecting block, one side of the second connecting block, which is close to the driving block, is fixedly connected with the second connecting block, the right side of the first connecting block and the left side of the second connecting block are fixedly connected with the sleeve columns, and the two sleeve columns are fixedly connected through the connecting spring;

stop gear includes stopper, spacing spout and ball, the equal fixedly connected with stopper in top and the bottom of drive block, the spacing spout of stopper looks adaptation is all seted up to the top and the bottom of drain pan inner wall, one side that the stopper is close to spacing spout runs through spacing spout and extends to its inside ball that is provided with, one side that the ball is close to spacing spout rather than inner wall roll connection.

Preferably, the top of the bottom shell is fixedly connected with a first rubber cushion.

Preferably, the right side of the top of the auxiliary cushion is fixedly connected with a limiting sliding block.

Preferably, a movable wheel is fixedly mounted on the right side of the bottom of the auxiliary cushion.

Preferably, the top of the heightening pad is fixedly connected with a second rubber soft pad.

Preferably, the right side of the heightening pad is fixedly connected with a pulling handle.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a mutually supporting between drain pan, complementary unit, actuating mechanism, coupling mechanism and the stop gear, realized a simple and convenient sofa stretching device, simple structure not only, convenient operation can adjust as required sofa's length moreover, can use as the sofa bed, and then makes this device suitability wider.

Drawings

FIG. 1 is a structural section view in elevation of the present invention;

FIG. 2 is a structural section view of the front view of the auxiliary mechanism of the present invention;

FIG. 3 is a structural section view of the front view of the connection mechanism of the present invention;

fig. 4 is a partial enlarged view of a-a in fig. 1 according to the present invention.

In the figure: the device comprises a bottom shell 1, an auxiliary mechanism 2, a driving mechanism 3, a connecting mechanism 4, a limiting mechanism 5, an auxiliary cushion 201, a placing groove 202, a heightening cushion 203, a permanent magnet 204, an iron block 205, a driving cylinder 301, a driving rod 302, a driving block 303, a first connecting block 401, a second connecting block 402, a sleeve column 403, a connecting spring 404, a limiting block 501, a limiting sliding chute 502, a ball 503, a first rubber cushion 6, a limiting sliding block 7, a movable wheel 8, a second rubber cushion 9 and a pull handle 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a simple sofa stretching device includes a bottom case 1, an auxiliary mechanism 2, a driving mechanism 3, a connecting mechanism 4 and a limiting mechanism 5, the auxiliary mechanism 2 adapted to the bottom case 1 is installed on the right side of the bottom case 1, a first rubber cushion 6 is fixedly connected to the top of the bottom case 1, the driving mechanism 3 adapted to the auxiliary mechanism 2 is installed on the left side of the inner wall of the bottom case 1, the connecting mechanisms 4 symmetrically arranged are installed on the left side of the auxiliary mechanism 2, and the limiting mechanism 5 adapted to the bottom case 1 is installed on both the top and the bottom of the driving mechanism 3.

Please refer to fig. 1-4, the auxiliary mechanism 2 includes the auxiliary cushion 201, the standing groove 202, it fills up 203 to increase, permanent magnet 204 and iron plate 205, the right side fixedly connected with limit slide 7 at the top of the auxiliary cushion 201, the right side fixedly mounted of the bottom of the auxiliary cushion 201 has the removal wheel 8, two standing grooves 202 have been seted up on the right side of the auxiliary cushion 201, the inside of standing groove 202 has been placed rather than the increase pad 203 of looks adaptation, the top fixedly connected with second rubber cushion 9 that increases pad 203, the right side fixedly connected with pulling handle 10 that increases pad 203, the left side fixedly mounted that increases pad 203 has permanent magnet 204, the left side fixedly connected with of the inner wall of standing groove 202 and the iron plate 205 of permanent magnet 204 looks adaptation.

Referring to fig. 1-4, the driving mechanism 3 includes a driving cylinder 301, a driving rod 302 and a driving block 303, the driving cylinder 301 is fixedly installed at a midpoint of the left side of the inner wall of the bottom case 1, the driving rod 302 is fixedly connected to an output end of the driving cylinder 301, the driving block 303 is fixedly connected to the right side of the driving rod 302, and the right side of the driving block 303 is fixedly connected to the left side of the auxiliary cushion 201.

Referring to fig. 1-4, the connecting mechanism 4 includes a first connecting block 401, a second connecting block 402, a sleeve column 403 and a connecting spring 404, wherein one side of the first connecting block 401 close to the bottom case 1 is fixedly connected to the first connecting block, one side of the second connecting block 402 close to the driving block 303 is fixedly connected to the second connecting block, the sleeve column 403 is fixedly connected to both the right side of the first connecting block 401 and the left side of the second connecting block 402, and the two sleeve columns 403 are fixedly connected to each other through the connecting spring 404.

Please refer to fig. 1-4, the limiting mechanism 5 includes a limiting block 501, a limiting chute 502 and a ball 503, the top and the bottom of the driving block 303 are both fixedly connected with the limiting block 501, the top and the bottom of the inner wall of the bottom case 1 are both provided with the limiting chute 502 matched with the limiting block 501, one side of the limiting block 501 close to the limiting chute 502 penetrates the limiting chute 502 and extends to the inside thereof to be provided with the ball 503, one side of the ball 503 close to the limiting chute 502 is in rolling connection with the inner wall thereof, through the mutual cooperation between the bottom case 1, the auxiliary mechanism 2, the driving mechanism 3, the connecting mechanism 4 and the limiting mechanism 5, a simple and convenient sofa stretching device is realized, the structure is simple, the operation is convenient, and the sofa can be adjusted according to the length of the sofa, and can be used as a sofa bed, and.

When the length of the sofa is required to be adjusted, the driving cylinder 301 is opened to drive the auxiliary cushion 201 to move rightwards, the auxiliary cushion is moved to a proper position as required, and then the heightening cushion 203 is pulled out and placed above the auxiliary cushion 201 by pulling the handle 10.

In summary, the following steps: the simple sofa stretching device solves the problems mentioned in the background technology by arranging the bottom shell 1, the auxiliary mechanism 2, the driving mechanism 3, the connecting mechanism 4 and the limiting mechanism 5.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a simple and convenient sofa stretching device, includes drain pan (1), complementary unit (2), actuating mechanism (3), coupling mechanism (4) and stop gear (5), its characterized in that: an auxiliary mechanism (2) matched with the bottom shell (1) is installed on the right side of the bottom shell (1), a driving mechanism (3) matched with the auxiliary mechanism (2) is installed on the left side of the inner wall of the bottom shell (1), symmetrically arranged connecting mechanisms (4) are installed on the left side of the auxiliary mechanism (2), and limiting mechanisms (5) matched with the bottom shell (1) are arranged at the top and the bottom of the driving mechanism (3);

the auxiliary mechanism (2) comprises an auxiliary cushion (201), placing grooves (202), a height increasing pad (203), a permanent magnet (204) and an iron block (205), wherein the two placing grooves (202) are formed in the right side of the auxiliary cushion (201), the height increasing pad (203) matched with the placing grooves (202) is placed in the placing grooves (202), the permanent magnet (204) is fixedly installed on the left side of the height increasing pad (203), and the iron block (205) matched with the permanent magnet (204) is fixedly connected to the left side of the inner wall of the placing grooves (202);

the driving mechanism (3) comprises a driving cylinder (301), a driving rod (302) and a driving block (303), the driving cylinder (301) is fixedly installed at the midpoint of the left side of the inner wall of the bottom shell (1), the driving rod (302) is fixedly connected to the output end of the driving cylinder (301), the driving block (303) is fixedly connected to the right side of the driving rod (302), and the right side of the driving block (303) is fixedly connected to the left side of the auxiliary cushion (201);

the connecting mechanism (4) comprises a first connecting block (401), a second connecting block (402), a sleeve column (403) and a connecting spring (404), one side, close to the bottom shell (1), of the first connecting block (401) is fixedly connected with the first connecting block, one side, close to the driving block (303), of the second connecting block (402) is fixedly connected with the second connecting block, the sleeve column (403) is fixedly connected to the right side of the first connecting block (401) and the left side of the second connecting block (402), and the two sleeve columns (403) are fixedly connected through the connecting spring (404);

stop gear (5) include stopper (501), spacing spout (502) and ball (503), the top and the equal fixedly connected with stopper (501) in bottom of drive block (303), spacing spout (502) of stopper (501) looks adaptation are all seted up to the top and the bottom of drain pan (1) inner wall, stopper (501) are close to one side of spacing spout (502) and run through spacing spout (502) and extend to its inside ball (503) that is provided with, ball (503) are close to one side and its inner wall roll connection of spacing spout (502).

2. A sofa extension set according to claim 1, wherein: the top of the bottom shell (1) is fixedly connected with a first rubber cushion (6).

3. A sofa extension set according to claim 1, wherein: the right side of the top of the auxiliary cushion (201) is fixedly connected with a limiting slide block (7).

4. A sofa extension set according to claim 1, wherein: the right side of the bottom of the auxiliary cushion (201) is fixedly provided with a movable wheel (8).

5. A sofa extension set according to claim 1, wherein: the top of the heightening pad (203) is fixedly connected with a second rubber soft pad (9).

6. A sofa extension set according to claim 1, wherein: the right side of the heightening pad (203) is fixedly connected with a pulling handle (10).