CN218390430U

CN218390430U - Sofa chassis rotates limit structure

Info

Publication number: CN218390430U
Application number: CN202222867408.1U
Authority: CN
Inventors: 梁光煜
Original assignee: Xinyang Hengda Home Furnishing Co ltd
Current assignee: Xinyang Hengda Home Furnishing Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-01-31
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses a sofa chassis rotates limit structure, including base, rotation support, spacing subassembly, the base is placed subaerial, the base is formed by the tubular metal resonator welding, the frame of base is discoid, the base bottom is provided with the rubber stabilizer blade, and is a plurality of equidistant setting of rubber stabilizer blade circumference is in the base bottom surface, it sets up at base central point to rotate the support, and the sofa inside casing is fixed rotate on the support, spacing subassembly sets up the base with rotate between the support, spacing subassembly is used for the restriction rotate the support with rotation between the base, this utility model provides a sofa leg support expandes the not spacing problem of back rotary device among the prior art.

Description

Sofa chassis rotates limit structure

Technical Field

The utility model belongs to sofa thing to sit on field especially relates to a sofa chassis rotates limit structure.

Background

Sofas have become a popular item of furniture that provides more comfort to a person than wooden seats. With the continuous improvement of living standard of people, the requirements of people on furniture are higher and higher, and the common sofa with single function is gradually abandoned by people.

In the prior art, patent publication No. CN203538831U discloses a multi-link stretching mechanism for electrically active sofa with high comfort, which is used for lifting legs and falling back of sofa, and comprises: the foot plate support, the footrest, the back rest piece, the extension mechanism for driving the foot plate support and the back rest piece to move forwards and upwards and then to tilt backwards, and the electric drive mechanism for driving the extension mechanism to act; the electric driving mechanism is connected between the upper rotating rod and the lower rotating rod and used for controlling the upper rotating rod and the lower rotating rod to relatively rotate and enlarge the distance so as to drive the stretching mechanism to move, so that the foot plate support and the foot rest are driven to firstly move towards the front upper part and then drive the backrest piece to topple backwards. Furthermore, the leg lifting and back falling actions of the sofa are relatively slow and stable, so that the sofa is relatively comfortable to use.

The sofa adopting the device can rotate, swing and stretch, wherein the stretching enables a user to lie on the sofa, when the user uses the sofa in a sitting posture, the feet can contact the ground, and the sofa can be rotated or prevented from rotating through the feet as required, and the user is not easy to topple; the user raises the leg support in the sofa rotating process, the sofa continues to rotate under the action of inertia, but the user cannot control the rotation of the sofa by using two feet after raising the leg support, the raising of the leg support in the sofa rotating process can change the gravity center position of the user, and the sofa continuing to rotate can easily topple due to stress change.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the sofa chassis rotation limiting structure is provided for solving the problem that a rotating device is not limited after the sofa is unfolded in the prior art.

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

the utility model provides a sofa chassis rotates limit structure, includes the base, rotates support, spacing subassembly, the base is placed subaerial, it sets up at base central point to rotate the support and puts, and the sofa inside casing is fixed rotate on the support, spacing subassembly sets up the base with rotate between the support, spacing subassembly is used for the restriction rotate the support with rotation between the base.

As a further description of the above technical solution:

the base is formed by the tubular metal resonator welding, the frame of base is discoid, the base bottom is provided with the rubber stabilizer blade, and is a plurality of the equidistant setting of rubber stabilizer blade circumference is in the base bottom surface.

As a further description of the above technical solution:

the rotating support comprises a rotating seat and two connecting frames, the rotating seat comprises an upper shell and a lower shell connected with the rotating seat in a rotating mode, the lower shell is fixedly arranged on the base, the two connecting frames are fixedly arranged on the upper shell, and the connecting frames are fixedly connected with the inner frame of the sofa.

As a further description of the above technical solution:

the limiting component comprises an inner gear ring, a limiting rod, a driving rod, a connecting rod and a fixing plate, wherein the inner gear ring is coaxially fixed on the base, the limiting rod is arranged on the upper surface of the upper shell in a sliding mode, the limiting rod is arranged in a sliding mode along the radial direction of the inner gear ring, the driving rod is located between the two connecting frames, the two connecting frames are symmetrical relative to the driving rod, the driving rod is used for driving the limiting rod to be connected with and separated from the inner gear ring in a clamped mode, one end of the connecting rod is connected with one end of the driving rod in a rotating mode, the other end of the connecting rod is connected with the fixing plate in a rotating mode, and the fixing plate is fixedly connected to a leg support of the inner frame of the sofa.

As a further description of the above technical solution:

the limiting rod is arranged along the circumference of the upper shell at equal intervals, four first sliding sleeves are arranged on the upper surface of the upper shell, the first sliding sleeves correspond to the limiting rod in a one-to-one mode, a second sliding sleeve is arranged on the upper surface of the upper shell, and the driving rod slides along the second sliding sleeve.

As a further description of the above technical solution:

the actuating lever is the magnetism material, the gag lever post is close to the one end of actuating lever is provided with the arc board, the arc board is the magnetism material, the arc board all the time with the actuating lever adsorbs together, the actuating lever divide into two parts along its length direction, wherein is close to connecting rod one end is the first portion, keeps away from the one end of connecting rod is the second portion, the first portion with the second portion junction is mild excessively, the arc board adsorbs the first portion, the gag lever post with the ring gear breaks away from, the arc board adsorbs the second portion, the gag lever post with the ring gear joint.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

(1) This application simple structure, installation on current sofa body and sofa inside casing, the foot of sofa holds in the palm when keeping normal condition, and the sofa body can wind base free rotation, and the sofa body can't rotate around the base after the sofa foot holds in the palm the rise, and when the unable and bottom surface contact of user's both feet, the unable rotation of sofa makes the user sit more stably on the sofa this moment.

(2) The driving rod and the foot support are connected through the connecting rod, the driving rod is driven to enable the limiting rod to limit or separate the inner gear ring directly through rotation of the foot support, the process is completed without the aid of external force, and the sofa is guaranteed to be stable as long as the leg support raises the relative base of the sofa body and cannot rotate.

Drawings

Fig. 1 is a schematic perspective view of the sofa body of the present invention;

FIG. 2 is a schematic view of the inner frame structure of the sofa;

FIG. 3 is a schematic perspective view of the present invention, in which the sofa main body and the inner frame of the sofa are omitted, and the rotation of the base and the rotating support is not limited;

fig. 4 is a schematic perspective view of the present invention, in which the sofa main body and the sofa inner frame are omitted, and the base and the rotating support are in a non-rotatable state;

fig. 5 is a schematic perspective view of the present invention, with the sofa main body, the sofa inner frame and the connecting frame omitted.

Illustration of the drawings: 1. a base; 2. rotating the support; 3. a rotating base; 4. an upper housing; 5. a lower housing; 6. a connecting frame; 7. a limiting component; 8. an inner gear ring; 9. a limiting rod; 10. a drive rod; 11. a connecting rod; 12. a fixing plate; 13. a first sliding sleeve; 14. a second sliding sleeve; 15 arc plates.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution of a sofa chassis rotation limiting structure:

a sofa chassis rotation limiting structure comprises a base 1, a rotation support 2 and a limiting assembly 7, wherein the base 1 is arranged on the ground, the base 1 is formed by welding metal pipes, a frame of the base 1 is disc-shaped, rubber support legs are arranged at the bottom end of the base 1, and the circumferences of the rubber support legs are arranged on the bottom surface of the base 1 at equal intervals; rotating support 2 rotates and sets up at base 1 central point and put, and spacing subassembly 7 sets up between base 1 and rotating support 2, and fixed connection between rotating support 2 and the inside casing of sofa, spacing subassembly 7 are used for the restriction to rotate between rotating support 2 and the base 1, and after the leg support of sofa body rises, spacing subassembly 7 is spacing to rotating support 2 and is makeed rotating support 2 can't rotate around base 1.

Rotating support 2 includes roating seat 3, two link 6, and roating seat 3 includes casing 4 and rather than the lower casing 5 of rotating the connection, goes up and is provided with between casing 4 and the lower casing 5 and does benefit to the pivoted ball, and casing 5 is fixed to be set up on base 1 down, and two link 6 are fixed to be set up in last casing 4, and two link 6 set up about last casing 4 symmetry, link 6 and sofa inside casing fixed connection.

The limiting component 7 comprises an inner gear ring 8, a limiting rod 9, a driving rod 10, a connecting rod 11 and a fixing plate 12, wherein the inner gear ring 8 is coaxially fixed on the base 1, the upper surface of the inner gear ring 8 is higher than the upper surface of the upper shell 4, the limiting rod 9 and the driving rod 10 are arranged on the upper surface of the upper shell 4 in a sliding mode, the limiting rods 9 are arranged on the upper surface of the upper shell 4 at equal intervals along the circumference of the upper shell 4, the limiting rods 9 are arranged in a sliding mode along the radial direction of the inner gear ring 8, four first sliding sleeves 13 are arranged on the upper surface of the upper shell 4, and the first sliding sleeves 13 correspond to the limiting rods 9 one to one. The driving rod 10 is located between the two connecting frames 6, the two connecting frames 6 are symmetrical about the driving rod 10, the upper surface of the upper shell 4 is provided with a second sliding sleeve 14, the driving rod 10 slides along the second sliding sleeve 14, one end of the connecting rod 11 is rotatably connected with one end of the driving rod 10, the other end of the connecting rod 11 is rotatably connected with the fixing plate 12, and the fixing plate 12 is fixedly connected to a leg support bracket of the sofa inner frame.

The driving rod 10 is divided into two parts along the length direction, wherein one end close to the connecting rod 11 is a first part, one end far away from the connecting rod 11 is a second part, the joint of the first part and the second part is in gentle transition, the rod body is made of magnetic materials, and the positions of different widths of the driving rod 10 are in arc transition. An arc plate is arranged at one end, close to the driving rod 10, of the limiting rod 9, the arc plate is made of magnetic materials and is always adsorbed with the driving rod 10, and when the rotating support 2 can normally rotate, one end, provided with the arc plate, of the limiting rod 9 is magnetically attracted with the first part of the driving rod 10; the driving rod 10 is driven to slide along the second sliding sleeve 14 towards the connecting rod 11, the arc plate slides along the side wall of the driving rod 10 to be in contact with the rod body of the second part of the driving rod 10, meanwhile, the limiting rod 9 slides along the first sleeve, and one end of the driving rod 10 is connected with the inner gear ring 8 in a clamping mode according to the principle of the limiting rod 9, so that the rotating support 2 cannot rotate relative to the base 1; the leg support rotates from the vertical state to the state where the sofa is native to the gentle state, and the driving rod 10 is driven by the connecting rod 11 to slide along the second sliding sleeve 14.

The working principle is as follows: when a user sits on the sofa and the leg supports are kept vertical, the sofa body can rotate freely in 360 degrees, the user can control the sofa to rotate through two feet, in the state, the rod body of the first part of the driving rod 10 is adsorbed with the arc plate at the end part of the limiting rod 9, the limiting rod 9 does not limit the inner gear ring 8, and the sofa body can rotate freely; when a user lifts the leg support, the driving rod 10 is driven to slide through the connecting rod 11 in the process of lifting the leg support, the arc plate is magnetically attracted by the first part of the driving rod 10 and is magnetically attracted with the second part of the driving rod 10 while the driving rod 10 slides, so that the limiting rod 9 is pushed to extend outwards along the first sliding sleeve 13, the end part of the limiting rod 9 far away from the driving rod 10 is clamped with the inner gear ring 8, the rotating support 2 cannot rotate relative to the base 1, the sofa body cannot rotate, and the user can lie on the sofa more stably and safely; when the leg support is put down, the connecting rod 11 pushes the driving rod 10 to slide, the arc plate of the limiting rod 9 is magnetically attracted and slides to the first part of the driving rod 10 under the action of magnetic attraction force, the limiting rod 9 is separated from being clamped with the inner gear ring 8, and the sofa body recovers the free rotation state.

The above, only be the embodiment of the preferred 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, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a sofa chassis rotates limit structure, its characterized in that includes base (1), rotates support (2), spacing subassembly (7), base (1) is placed subaerial, rotate support (2) and rotate the setting and put at base (1) central point, the sofa inside casing is fixed rotate on the support (2), spacing subassembly (7) set up base (1) with rotate between support (2), spacing subassembly (7) are used for the restriction rotate support (2) with rotation between base (1).

2. The sofa chassis rotation limiting structure of claim 1, wherein: the base (1) is formed by welding metal tubes, the frame of the base (1) is disc-shaped, rubber support legs are arranged at the bottom end of the base (1), and the rubber support legs are arranged on the bottom surface of the base (1) at equal intervals.

3. The sofa chassis rotation limiting structure of claim 2, wherein: rotating support (2) includes roating seat (3), two link (6), roating seat (3) include casing (4) and rather than rotate lower casing (5) of being connected, casing (5) are fixed to be set up down on base (1), two link (6) are fixed to be set up in last casing (4), link (6) and sofa inside casing fixed connection.

4. The sofa chassis rotation limiting structure of claim 3, wherein: spacing subassembly (7) include ring gear (8), gag lever post (9), actuating lever (10), connecting rod (11), fixed plate (12), ring gear (8) coaxial fixation is in on base (1), gag lever post (9) actuating lever (10) slide and set up the upper surface of epitheca (4), gag lever post (9) slide along the radial direction of ring gear (8) and set up, actuating lever (10) are located two between link (6), two link (6) about actuating lever (10) symmetry, actuating lever (10) are used for the drive gag lever post (9) with the joint and the breaking away from of ring gear (8), the one end of connecting rod (11) with the one end of actuating lever (10) is rotated and is connected, the other end of connecting rod (11) with fixed plate (12) are rotated and are connected, fixed plate (12) fixed connection is on the leg support of sofa inside casing.

5. The sofa chassis rotation limiting structure according to claim 4, wherein: gag lever post (9) are followed go up casing (4) circumference equidistant setting four, it is provided with four first sliding sleeves (13) to go up casing (4) upper surface, first sliding sleeve (13) with gag lever post (9) one-to-one, it is provided with a second sliding sleeve (14) to go up casing (4) upper surface, actuating lever (10) are followed second sliding sleeve (14) slide.

6. The sofa chassis rotation limiting structure of claim 5, wherein: the utility model discloses a safety gear, including actuating lever (10), gag lever post (9), connecting rod (11), drive lever (10) and ring gear (8), actuating lever (9) are close to the one end of actuating lever (10) is provided with the arc board, the arc board is the magnetism material, the arc board all the time with actuating lever (10) are adsorbed together, actuating lever (10) divide into two parts along its length direction, wherein are close to connecting rod (11) one end is the first part, keeps away from the one end of connecting rod (11) is the second part, the first part with the second part junction is mild excessive, the arc board adsorbs the first part, gag lever post (9) with ring gear (8) break away from, the arc board adsorbs the second part, gag lever post (9) with ring gear (8) joint.