CN218889475U

CN218889475U - Functional sofa stretching device with forward tilting prevention mechanism

Info

Publication number: CN218889475U
Application number: CN202222810091.8U
Authority: CN
Inventors: 冯元峰; 吴林林; 王任飞; 王志禹
Original assignee: Kuka Home Co Ltd
Current assignee: Kuka Home Co Ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-04-21
Anticipated expiration: 2032-10-24

Abstract

The application relates to a function sofa stretching device with prevent mechanism that leans forward relates to the technical field of function sofa, including supporting mechanism, be provided with shank supporting component on the seat frame, supporting mechanism includes: the sliding block is arranged on the iron frame in a sliding way and is connected with the seat frame; the support sleeve is rotatably arranged on the iron frame along the direction approaching or departing from the ground; the support rod is arranged on the support sleeve in a sliding way, is rotationally connected with the sliding block and is supported on the ground to support the sofa. This application moves through shank supporting component and drives the bracing piece and rotate and remove towards being close to ground, consequently the sofa opens the in-process, and the bracing piece is close to ground, consequently drives the bracing piece and supports subaerial support when the sofa takes place to lean forward, has reduced the sofa forward and has fallen the risk of overturning, especially after the sofa is opened completely, thereby the bracing piece supports to support and presses subaerial security when having improved sofa use, has improved experience when the user uses the sofa and has felt.

Description

Functional sofa stretching device with forward tilting prevention mechanism

Technical Field

The application relates to the technical field of functional sofas, in particular to a functional sofa stretching device with an anti-forward-leaning mechanism.

Background

In order to meet different use demands of people, the existing multifunctional sofa generally has three states of sitting posture, TV posture and lying posture, and the three postures are changed by means of moving a seat frame which is slidably arranged on an iron frame, so that the seat frame moves to drive a leg support assembly to be opened, the leg support assembly is enabled to be transited from the sitting posture to the TV posture, then the seat frame moves to continue to move to drive a backrest to be overturned, and the TV posture is changed to the lying posture, so that the three postures are changed.

When converting from the position of sitting to TV appearance, shank supporting component changes to the sofa outside and unsettled for the unsettled distance of sofa is longer, consequently the seat frame removes the focus forward that converts to lying appearance in-process and makes the sofa, thereby the sofa is at the easy forward phenomenon that takes place of opening the in-process, and the risk of forward is bigger when the sofa is accomplished to open especially, and the sofa forward is also easy to take place the phenomenon of tipping over, thereby reduced the security of sofa, experience when leading to the user to use the sofa is felt relatively poor.

Disclosure of Invention

In order to improve the experience of a user when using a sofa, the application provides a functional sofa stretching device with a forward tilting prevention mechanism.

The application provides a function sofa stretching device with prevent forward mechanism adopts following technical scheme:

the utility model provides a functional sofa stretching device with prevent mechanism of leaning forward, includes the supporting mechanism who is used for being connected with the seat frame that slides and set up on the iron stand, be provided with the shank supporting component that is used for shank to support on the seat frame, supporting mechanism includes:

the sliding block is arranged on the iron frame in a sliding way and is connected with the seat frame;

the support sleeve is rotatably arranged on the iron frame along the direction approaching to or far from the ground;

the support rod is arranged on the support sleeve in a sliding manner, is rotationally connected with the sliding block and is supported on the ground to support the sofa.

Through adopting above-mentioned technical scheme, shank supporting component is used for supporting the shank from sofa internal rotation to the sofa outside for the sofa changes the TV appearance from the position of sitting into, and shank supporting component continues to remove and drives slider seat frame and slider and remove, the slider removes and drives the bracing piece and rotate towards being close to ground, simultaneously the bracing piece is pushed down by the slider and is moved towards being close to ground, consequently, the sofa opens the in-process, the bracing piece is close to ground, consequently, drive the bracing piece and support subaerial when the sofa takes place to lean forward, the risk of sofa forward and the upset has been reduced, especially after the sofa is opened completely, the bracing piece supports and supports subaerial, thereby realize supporting the sofa, and when shank supporting component moves back, shank supporting component drives the bracing piece and rotates towards keeping away from ground one side and simultaneously moves back to the normal position and accomodate, thereby the security when having improved the sofa and having improved experience when the user uses.

Optionally, a buffer member with elasticity is arranged at one end of the supporting rod for supporting the ground.

Through adopting above-mentioned technical scheme, the bolster is cushioned the bracing piece receives the impact force on ground to reduce the bracing piece and receive the damage and reduce the probability to the holding power of sofa, consequently further improved the security of sofa, the bolster is cushioned and has reduced the vibration power that the sofa produced when bracing piece and ground contact simultaneously, has improved the experience of user's use sofa and has felt.

Optionally, the support rod is in an inclined state so that the buffer piece is propped against the ground to support.

Through adopting above-mentioned technical scheme, the bolster supports subaerial under bracing piece holding power effect, and shank supporting component is used for fixing a position bracing piece and bolster, and when moving back simultaneously, the bolster slope upwards moves towards keeping away from ground to reduced the bracing piece and rotated the time that process bolster and ground produced wearing and tearing, reduced the bolster and received wearing and tearing damage's probability, improved the security of sofa, further improved the experience of user's use sofa and felt.

Optionally, the bracing piece is vertical state and makes the bolster support on subaerial, the bolster receives the extrusion force and forms the laminating face with the ground laminating.

Through adopting above-mentioned technical scheme, the bracing piece rotates and drives the bolster and rotate and receive extrusion deformation for the bracing piece is vertical state, and the bolster forms the faying surface owing to receiving behind the extrusion force, makes the bracing piece form a dead point, consequently after shank supporting part loses the locking force to the bracing piece, the bracing piece still can support subaerial support the sofa, thereby has reduced the risk of sofa anteverted, has improved the security of sofa, has improved the experience of user's use sofa and has felt.

Optionally, the cushioning piece is a rubber ball made of rubber materials, and the rubber ball is detachably connected with the support rod.

Through adopting above-mentioned technical scheme, the rubber ball is the arc surface to reduce the area of contact with ground when the bracing piece rotates and removes, thereby reduced the resistance that the rubber ball received when rotating, reduced the sofa and received frictional force and vibration's probability, also reduced the rubber ball and received wearing and tearing and reduced the probability to the holding power of sofa moreover, improved the experience of user's use sofa and felt.

Optionally, a thread groove is formed in the rubber ball, and the support rod is in threaded connection with the thread groove and abuts against the bottom of the thread groove to be positioned.

Through adopting above-mentioned technical scheme, twist the rubber ball for the bracing piece is kept away from the thread groove tank bottom, then on connecting the bracing piece screw thread to the thread groove of new rubber ball, makes the bracing piece support and tightly fix a position on the thread groove tank bottom, with this change that realizes the rubber ball.

Optionally, the bracing piece passes through coupling assembling and slider detachable connection.

Through adopting above-mentioned technical scheme, the bracing piece is because receive the impact force for a long time and damage easily, consequently changes the bracing piece through coupling assembling to further improved the holding power of bracing piece to the sofa, improved the security of sofa, improved the experience of user's use sofa and felt.

Optionally, the supporting hole has been seted up on the bracing piece, coupling assembling includes:

the connecting rod is arranged on the sliding block in a sliding and penetrating mode and is provided with a positioning disc which is abutted against the sliding block to position, and one end of the connecting rod penetrates out of the supporting hole and is provided with a threaded section;

the connecting nut is in threaded connection with the threaded section and is abutted against the supporting rod to limit the supporting rod.

Through adopting above-mentioned technical scheme, twist and move coupling nut and screw thread section and break away from, then remove the positioning disk and drive bracing piece and supporting hole and break away from, then take down the bracing piece and change, pass the bracing piece after changing and prop up the cover, then pass the connecting rod and prop up the supporting hole, and make the positioning disk conflict and fix a position on the slider, then fix a position coupling nut threaded connection to screw thread section on and conflict on the bracing piece to this realizes the change of bracing piece.

Optionally, a guide angle convenient for connecting the connecting nut is arranged at one end of the connecting rod.

By adopting the technical proposal, the convenience of connecting the connecting nut to the connecting rod by screw thread is improved, the convenience of replacing the supporting rod is improved,

optionally, the two ends of the supporting sleeve are detachably provided with the installation sleeves which are abutted together, and the supporting rod passes through the installation sleeves to support.

Through adopting above-mentioned technical scheme, two installation cover cooperation support the bracing piece, consequently when needs change owing to wearing and tearing between bracing piece and installation cover to in order to change the installation cover, improved the supporting effect of installation cover to the bracing piece, improved the experience of user's use sofa and felt.

In summary, the present application includes at least one of the following beneficial technical effects:

the leg support assembly moves to drive the support rod to rotate and move towards the position close to the ground, so that the support rod is close to the ground in the sofa opening process, and therefore the support rod is driven to support on the ground when the sofa is tilted forwards, the risk of tilting forward and overturning of the sofa is reduced, and particularly after the sofa is completely opened, the support rod is supported and pressed on the ground, so that the safety of the sofa in use is improved, and the experience of a user in use of the sofa is improved.

Drawings

FIG. 1 is a schematic view of an embodiment of the present application, wherein a supporting mechanism is in a storage state;

FIG. 2 is a schematic view of an embodiment of the present application, wherein the support mechanism is in an open state;

fig. 3 is a schematic structural view of a second embodiment of the present application, in which the support mechanism is in an open state.

Reference numerals: 1. an iron stand; 11. a seat frame; 12. a rotating shaft; 2. a leg support assembly; 21. a scissor type supporting frame; 22. a linear motor; 3. a support mechanism; 31. a slide block; 32. a support sleeve; 33. a support rod; 34. a mounting plate; 35. a carrying plate; 36. a mounting sleeve; 4. a connection assembly; 41. a connecting rod; 42. a coupling nut; 5. rubber balls; 51. a thread groove; 52. and (5) an attaching surface.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a functional sofa stretching device with an anti-forward-leaning mechanism.

Example 1

Referring to fig. 1, the functional sofa stretching device with the forward tilting prevention mechanism comprises a seat frame 11 which is horizontally slidably mounted on an iron frame 1 and used for being connected with a backrest, a leg support assembly 2 rotatably mounted on the seat frame 11, and a support mechanism 3 used for being connected with the leg support assembly 2 and the seat frame 11, wherein the support mechanism 3 is used for supporting a sofa.

Referring to fig. 1 and 2, the leg support assembly 2 includes a scissor type support frame 21 and a linear motor 22, the scissor type support frame 21 is rotatably mounted on the seat frame 11, the scissor type support frame 21 is a common leg support structure in the existing sofa, and the scissor type support frame 21 can rotate to the outside of the sofa to support legs and also can rotate to the inside of the sofa to be stored; the linear motor 22 is rotatably arranged on the iron stand 1, and a piston rod of the linear motor 22 is rotatably connected with the scissor type supporting frame 21; the linear motor 22 is started to drive the scissor type supporting frame 21 to rotate to the outer side of the sofa, so that the scissor type supporting frame 21 is completely opened, and the conversion from the sitting posture to the TV posture is realized.

Referring to fig. 1 and 2, the support mechanism 3 is provided with two support members and is located at two sides of the sofa, the support mechanism 3 comprises a sliding block 31, a support sleeve 32 and a support rod 33, the sliding block 31 is horizontally slidably mounted on the side wall of the iron stand 1, a mounting plate 34 fixedly connected with the seat frame 11 is fixedly mounted on the sliding block 31, and the backrest is rotatably mounted on the sliding block 31 and the seat frame 11; therefore, after the scissor type support frame 21 is completely opened, the linear motor 22 is started to drive the scissor type support frame 21 and the seat frame 11 to move forwards together, and the seat frame 11 drives the sliding block 31 to move together through the mounting plate 34, so that the backrest is laid down, and the TV pose is converted into the lying pose.

The bearing plates 35 are fixedly arranged on the side wall of the iron stand 1 and between the scissor type supporting frame 21 and the mounting plate 34, the bearing plates 35 vertically extend downwards to the lower part of the seat frame 11, and the two bearing plates 35 are arranged and positioned on two sides of the scissor type supporting frame 21; the side walls of the opposite sides of the two bearing plates 35 are respectively provided with a horizontal rotating shaft 12 in a rotating way, and the axis of the rotating shaft 12 is vertical to the sliding direction of the seat frame 11; the side wall of the supporting sleeve 32 is fixedly arranged on the rotating shaft 12, the axis of the supporting sleeve 32 is vertical to the axis of the rotating shaft 12, meanwhile, the inner side walls at the two ends of the supporting sleeve 32 are respectively and fixedly connected with the mounting sleeves 36 in a threaded manner, the outer side walls at the two ends of the two mounting sleeves 36 are coaxially and fixedly provided with mounting rings, the two mounting rings are abutted against the two ends of the supporting sleeve 32, and the two ends of the two mounting sleeves 36 are abutted against each other to be positioned.

Referring to fig. 1 and 2, one end of the support rod 33 is rotatably connected to the mounting plate 34, and the support rod 33 coaxially passes through the two mounting sleeves 36; meanwhile, the supporting rod 33 is detachably connected with the mounting plate 34 through the connecting component 4, and a horizontal supporting hole is formed in one end, close to the mounting plate 34, of the supporting rod 33; the connecting assembly 4 comprises connecting rods 41 and connecting nuts 42, the connecting rods 41 horizontally penetrate through the mounting plates 34, connecting discs are fixedly mounted on the connecting rods 41, the connecting discs on the two connecting rods 41 are abutted against the side walls of the opposite sides of the two mounting plates 34 for positioning, the supporting rods 33 are positioned on the outer sides of the two mounting plates 34, and one ends of the connecting rods 41, far away from the connecting discs, horizontally penetrate out of the supporting holes and are provided with threaded sections; the connecting nut 42 is screwed on the threaded section, and the connecting nut 42 is abutted against the supporting rod 33 to position, so that the supporting rod 33 and the connecting rod 41 are rotated and detachably connected, and the connecting rod 41 is provided with a guide angle which is convenient for the connecting nut 42 to be screwed on the connecting rod 41.

Referring to fig. 1 and 2, in the process of converting the sofa from the TV posture to the lying posture, the scissor type support frame 21 moves to drive the mounting plate 34 to move, the mounting plate 34 moves to drive the connecting rod 41 to move, and the connecting rod 41 moves to drive one end of the support rod 33 away from the connecting rod 41 to rotate and move towards the ground under the limit of the mounting sleeve 36, so that when the sofa is completely opened, the support rod 33 can be supported and positioned on the ground, and the risk of forward tilting of the sofa is reduced.

Referring to fig. 2, an elastic member is disposed at an end of the support rod 33 away from the connecting rod 41, that is, an end for contacting with the ground, the elastic member has elasticity and is used for buffering, the buffering member is a rubber ball 5 made of rubber material, and the buffering member may be plastic or the like; a thread groove 51 is formed in the side wall of the rubber ball 5, the center of the rubber ball 5 is positioned on the axis of the thread groove 51, the supporting rod 33 is connected to the thread groove 51 in a threaded manner, and the supporting rod 33 is abutted against the bottom of the thread groove 51 for positioning; when the sofa is fully opened, the rubber ball 5 is propped against the ground to be supported, meanwhile, the linear motor 22 positions the scissor type supporting frame 21, the supporting rod 33 and the rubber ball 5, and meanwhile, the supporting rod 33 is in an inclined state, namely, the included angle between the axis of the supporting rod 33 and the ground is smaller than 90 degrees.

The working principle of the embodiment of the application is as follows:

the linear motor 22 is started to drive the scissor type supporting frame 21 to rotate to the outer side of the sofa to support the legs, so that the sitting posture is converted into the TV posture, then the linear motor 22 is continuously started to drive the sliding block 31 to move, and the sliding block 31 moves to drive the backrest to rotate for placing the backrest, so that the TV posture is converted into the lying posture; when the sliding block 31 moves, the supporting rod 33 and the rubber ball 5 are driven to rotate and move towards the ground, after the sofa is opened, the rubber ball 5 is pressed against the ground, and the linear motor 22 is used for positioning the rubber ball 5; and when the backrest is turned, the sliding block 31 drives the rubber ball 5 to rotate and move towards the direction away from the ground, so that the risk of forward tilting of the sofa is reduced, the safety of the sofa in use is improved, and the experience of a user in use of the sofa is improved.

Example 2

Referring to fig. 2 and 3, the difference between this embodiment and embodiment 1 is that the supporting rod 33 is in a vertical state, that is, the included angle between the axis of the supporting rod 33 and the ground is 90 degrees, while the rubber ball 5 is extruded by the ground to form the attaching surface 52 attached to the ground, and the attaching surface 52 is in a horizontal state, so that the rotating point of the supporting rod 33 and the mounting plate 34 forms a dead point, and the supporting rod 33 can also support the sofa when the locking effect of the linear motor 22 is eliminated.

The working principle of the embodiment of the application is as follows:

the bracing piece 33 rotates and drives rubber ball 5 to rotate and receive the extrusion deformation for bracing piece 33 is vertical state, and rubber ball 5 forms faying surface 52 owing to receive the extrusion force back, makes bracing piece 33 form a dead point, consequently after linear electric motor 22 loses the locking force to bracing piece 33, bracing piece 33 still can support on subaerial sofa and support, thereby has reduced the risk of sofa forward tilting, has improved the security of sofa, has improved the experience of user's use sofa and has felt.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A functional sofa stretching device with prevent forward tilting mechanism, its characterized in that: including being used for with sliding the supporting mechanism (3) that sets up seat frame (11) on iron stand (1) are connected, be provided with shank supporting component (2) that are used for shank to support on seat frame (11), supporting mechanism (3) include:

the sliding block (31) is arranged on the iron frame (1) in a sliding manner and is connected with the seat frame (11);

the support sleeve (32) is rotatably arranged on the iron frame (1) along the direction approaching to or separating from the ground;

the support rod (33) is arranged on the support sleeve (32) in a sliding manner, is rotationally connected with the sliding block (31) and is supported on the ground to support the sofa.

2. The functional sofa extension device with anti-roll mechanism of claim 1, wherein: the support rod (33) is used for supporting one end of the ground and is provided with an elastic buffer piece.

3. The functional sofa extension device with anti-roll mechanism of claim 2, wherein: the supporting rod (33) is in an inclined state, so that the buffer piece is pressed against the ground to support.

4. The functional sofa extension device with anti-roll mechanism of claim 2, wherein: the supporting rod (33) is in a vertical state, so that the buffer piece is propped against the ground to be supported, and the buffer piece is subjected to extrusion force to form a joint surface (52) which is jointed with the ground.

5. The functional sofa extension device with anti-roll mechanism of claim 2, wherein: the buffer piece is a rubber ball (5) made of rubber materials, and the rubber ball (5) is detachably connected with the supporting rod (33).

6. The functional sofa extension device with anti-roll mechanism of claim 5, wherein: the rubber ball (5) is provided with a thread groove (51), and the supporting rod (33) is in threaded connection with the thread groove (51) and abuts against the bottom of the thread groove (51) to be positioned.

7. The functional sofa extension device with anti-roll mechanism of claim 1, wherein: the supporting rod (33) is detachably connected with the sliding block (31) through the connecting component (4).

8. The functional sofa extension device with anti-roll mechanism of claim 7, wherein: support holes are formed in the support rods (33), and the connecting assembly (4) comprises:

the connecting rod (41) is arranged on the sliding block (31) in a sliding penetrating mode, a positioning disc which is abutted against the sliding block (31) for positioning is arranged on the connecting rod (41), and one end of the connecting rod (41) penetrates out of the supporting hole and is provided with a threaded section;

the connecting nut (42) is in threaded connection with the threaded section and is abutted against the supporting rod (33) to limit the supporting rod (33).

9. The functional sofa extension device with anti-roll mechanism of claim 8, wherein: one end of the connecting rod (41) is provided with a guide angle which is convenient for connecting a connecting nut (42).

10. The functional sofa extension device with anti-roll mechanism of claim 1, wherein: the two ends of the supporting sleeve (32) are detachably provided with mounting sleeves (36) which are abutted together, and the supporting rods (33) penetrate through the mounting sleeves (36) to support.