CN217565444U - Sofa backrest linkage type foot lifting functional frame - Google Patents
Sofa backrest linkage type foot lifting functional frame Download PDFInfo
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- CN217565444U CN217565444U CN202221168989.3U CN202221168989U CN217565444U CN 217565444 U CN217565444 U CN 217565444U CN 202221168989 U CN202221168989 U CN 202221168989U CN 217565444 U CN217565444 U CN 217565444U
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- frame
- backrest
- connecting rod
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Abstract
The utility model discloses a sofa backrest linkage type foot lifting function frame, which comprises a frame, a driving component, a leg frame component and a backrest component, wherein the driving component is arranged at the frame, the leg frame component is arranged at one end of the frame, the backrest component is arranged at the other end of the frame, the driving component comprises a driving module, a guiding module and a shear frame, the driving module is arranged at the middle part of the frame, two sides of the frame are respectively provided with one guiding module, the driving module is connected with the guiding module, one end of the shear frame is connected with the driving module, and the other end of the shear frame is connected with the backrest component; this sofa back coordinated type lifts foot functional rack can carry out the linkage through drive assembly and draw in leg frame subassembly and back subassembly in, supports the shank and adjusts with the cushion of sofa simultaneously, and the user of being convenient for uses, and this functional rack simple structure draws in compactly in, can reduce the space of sofa box effectively and occupy, can reduce the noise that mechanical motion brought simultaneously.
Description
Technical Field
The utility model relates to a smelting pot field, concretely relates to sofa backrest coordinated type lifts foot function frame.
Background
The sofa is common furniture, the leg support and the backrest of the sofa can be adjusted on the market, but the leg support and the backrest support of the sofa are separately adjusted, and the backrest adjustment and the leg support adjustment cannot be adjusted in a linkage manner; or the adjustment structure of the sofa is complex, occupies a large amount of space of the sofa box body, and can cause the production cost of the sofa to rise and increase the risk of noise generated by the mechanical structure.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, a sofa backrest linkage type foot lifting functional frame is provided.
In order to achieve the above purpose, the following scheme is provided: a sofa backrest linkage type foot lifting functional frame comprises a frame, a driving assembly, a leg frame assembly and a backrest assembly, wherein the driving assembly is installed at the position of the frame, the leg frame assembly is installed at one end of the frame, the backrest assembly is installed at the other end of the frame, the driving assembly comprises a driving module, a guide module and a scissor frame, the driving module is installed at the middle of the frame, two sides of the frame are respectively provided with the guide module, the driving module is connected with the guide module, one end of the scissor frame is connected with the driving module, the other end of the scissor frame is connected with the backrest assembly, the leg frame assembly comprises a leg cushion frame and two connecting modules, the leg cushion frame is connected with the driving module through the two connecting modules, the two connecting modules are symmetrically arranged at two sides of the leg cushion frame, and the connecting modules comprise a first connecting rod, a second connecting rod and a connecting plate, the first connecting rod and the second connecting rod are respectively arranged at two sides of the connecting plate, the first connecting rod and the second connecting rod are respectively rotatably connected with one end of the connecting plate through rotating shafts, the other ends of the first connecting rod and the second connecting rod are respectively rotatably connected with the leg pad frame through rotating shafts, the end part of the second connecting rod connected with the leg pad frame is provided with a limiting hook, the limiting hook is matched with a first limiting block fixedly arranged at the inner side of the leg pad frame, the end part of the second connecting rod far away from the limiting hook is provided with a first limiting plate and a second limiting plate, the first limiting plate and the second limiting plate are distributed in a V shape, a limiting guide wheel is arranged between the first limiting plate and the second limiting plate, the limiting guide wheel is fixedly arranged at one end of the frame far away from the backrest component, the other end of the connecting plate is fixedly connected with the driving module, one side of the connecting plate connected with the first connecting rod is provided with a first limiting block, and the second limiting block is matched with the first connecting rod, the backrest assembly comprises a backrest frame and connecting support lugs, the connecting support lugs are arranged on two sides of the backrest frame, one end of each connecting support lug is connected with the backrest frame through a rotating shaft in a rotating mode, the other end of each connecting support lug is fixedly connected with the rack, and the bottom of the backrest frame is hinged to the scissor frame through a rotating shaft.
Further, drive module includes driving motor, screw rod, spiral shell piece and adjustable shelf, driving motor fixed mounting is in the one side that frame and back frame are connected, and driving motor's output shaft passes through the one end fixed connection of reduction gear with the screw rod, and the screw rod passes through threaded connection with the spiral shell piece, and spiral shell piece fixed mounting is on the adjustable shelf, and the adjustable shelf is connected with the direction module, adjustable shelf and connecting plate fixed connection.
Furthermore, the guide module comprises a guide rod and a guide sleeve, the guide rod is fixedly installed in the machine frame, the guide sleeve is sleeved on the guide rod and is in sliding connection with the guide rod, the guide sleeve is fixedly connected with the movable frame, and the movable frame is hinged to one end, away from the backrest frame, of the shear frame through a rotating shaft.
The utility model discloses a theory of operation and advantage lie in: this sofa back coordinated type lifts foot function frame can carry out the linkage through drive assembly and draw in leg frame subassembly and back subassembly, supports the shank of sofa and adjusts with the cushion simultaneously, and the user of being convenient for uses, and this function frame simple structure draws in compactly, can reduce the space of sofa box effectively and occupy, can reduce the noise that mechanical motion brought simultaneously.
Drawings
Fig. 1 is a development state diagram of the present invention;
fig. 2 is a drawing of the utility model in a furled state;
FIG. 3 is a schematic view of the leg rest assembly of the present invention;
fig. 4 is a structural view of the backrest module of the present invention.
Reference numerals in the drawings of the specification include:
11. the novel scissors comprise a rack, 12 parts of a limiting guide wheel, 13 parts of a guide rod, 14 parts of a sliding sleeve, 15 parts of a driving motor, 16 parts of a screw rod, 17 parts of a screw block, 18 parts of a movable frame, 19 parts of a scissors frame, 21 parts of a leg cushion frame, 22 parts of a first limiting block, 23 parts of a first connecting rod, 24 parts of a second connecting rod, 25 parts of a limiting hook, 26 parts of a first limiting plate, 27 parts of a second limiting plate, 28 parts of a connecting plate, 29 parts of a second limiting block, 31 parts of a backrest frame and 32 parts of a connecting lug.
Detailed Description
The following is further detailed by the specific embodiments:
as shown in fig. 1 to 4:
a sofa backrest linkage type foot lifting functional frame comprises a frame 11, a driving assembly, a leg frame assembly and a backrest assembly, wherein the driving assembly is installed at the position of the frame 11, the leg frame assembly is installed at one end of the frame 11, the backrest assembly is installed at the other end of the frame 11, the driving assembly comprises a driving module, a guide module and a scissor frame 19, the driving module is installed at the middle of the frame 11, two sides of the frame 11 are respectively provided with the guide module, the driving module is connected with the guide module, one end of the scissor frame 19 is connected with the driving module, the other end of the scissor frame 19 is connected with the backrest assembly, the leg frame assembly comprises a leg cushion frame 21 and two connecting modules, the leg cushion frame 21 is connected with the driving module through the two connecting modules, the two connecting modules are symmetrically arranged at two sides of the leg cushion frame 21, the connecting modules comprise a first connecting rod 23, a second connecting rod 24 and a connecting plate 28, the first connecting rod 23 and the second connecting rod 24 are respectively arranged at two sides of the connecting plate 28, the first connecting rod 23 and the second connecting rod 24 are respectively connected with one end of a limiting plate 12, a limiting plate 12 is arranged between the first limiting plate 12 and a limiting plate 12, a limiting plate 12 is arranged at one end of the second connecting rod 24, a limiting plate 12 is arranged at one end of the limiting plate connected with a limiting plate 12, the other end and the drive module fixed connection of connecting plate 28, one side that connecting plate 28 and first connecting rod 23 are connected is provided with first stopper 22 and second stopper 29 and first connecting rod 23 adaptation, the back subassembly includes back frame 31 and connects journal stirrup 32, the both sides of back frame 31 all are provided with connects journal stirrup 32, and the one end of connecting journal stirrup 32 is connected through the pivot rotation with back frame 31, connects journal stirrup 32's the other end and frame 11 fixed connection, and the bottom of back frame 31 is articulated through the pivot with scissors frame 19.
The sofa comprises a frame 11, a driving module, a leg support assembly, a backrest assembly, a sofa leg support assembly, a sofa backrest assembly and a driving module, wherein the frame 11 is used for supporting and mounting other assemblies, the driving module is used for connecting and driving the leg support assembly and the backrest assembly to be linked, the leg support assembly is used for adjusting the position of the sofa leg support, and the backrest assembly is used for adjusting the position of the sofa backrest; the driving module of the driving assembly is used for driving the leg frame assembly and the backrest assembly to move, the guiding module is used for guiding and assisting in supporting the driving module, and the scissor frame 19 is used for connecting the driving module and the backrest assembly; the leg pad frame 21 of the leg frame assembly is used for supporting legs of a human body, the connecting module is used for connecting the driving module with the leg pad frame 21, the first connecting rod 23, the second connecting rod 24 and the connecting plate 28 form a four-bar linkage, the first connecting rod 23 and the second connecting rod 24 are supporting rods, and two ends of the first connecting rod 23 and two ends of the second connecting rod 24 are respectively hinged with the leg pad frame 21 and the connecting plate 28 through rotating shafts; the limiting hook 25 at the end of the second connecting rod 24 is adapted to the first limiting block 22 at the inner side of the leg pad frame 21, the first limiting block 22 is used for limiting the position of the limiting hook 25, namely limiting the position of the second connecting rod 24, when the limiting hook 25 is clamped with the first limiting block 22, the leg pad frame 21 is located at the most limit position of unfolding, the first limiting plate 26 and the second limiting plate 27 at the other end of the second connecting rod 24 cooperate with the limiting guide wheel 12 to change the position of the connecting module when the leg pad frame 21 extends out or folds in, so that the direction of the leg pad frame 21 is changed, folding or unfolding is facilitated, and the second limiting block 29 is used for limiting the position of the first connecting rod 23 when the leg pad frame 21 folds in, namely limiting the position of the connecting module when the leg pad frame 21 folds in; the connecting lugs 32 are used to connect the frame 11 and the back rest frame 31 so that the back rest frame 31 can swing at the connecting lugs 32.
The driving module comprises a driving motor 15, a screw rod 16, a screw block 17 and a movable frame 18, the driving motor 15 is fixedly installed on one side of the frame 11, which is connected with the backrest frame 31, an output shaft of the driving motor 15 is fixedly connected with one end of the screw rod 16 through a speed reducer, the screw rod 16 is connected with the screw block 17 through threads, the screw block 17 is fixedly installed on the movable frame 18, the movable frame 18 is connected with the guiding module, and the movable frame 18 is fixedly connected with the connecting plate 28.
Wherein, driving motor 15 is the power supply, and it can drive screw rod 16 and rotate, screw rod 16 and the cooperation of spiral shell piece 17, and screw rod 16 is used for driving the motion of spiral shell piece 17, and spiral shell piece 17 is installed on adjustable shelf 18 for spiral shell piece 17 can drive adjustable shelf 18 and move together, and the direction module of frame 11 both sides is used for its direction and the supporting role to adjustable shelf 18.
The guide module comprises a guide rod 13 and a guide sleeve 14, the guide rod 13 is fixedly installed in the machine frame 11, the guide sleeve 14 is sleeved on the guide rod 13 and is in sliding connection with the guide rod 13, the guide sleeve 14 is fixedly connected with the movable frame 18, and the movable frame 18 is hinged with one end, far away from the backrest frame 31, of the scissor frame 19 through a rotating shaft.
Wherein, the movable frame 18 is fixedly connected with the guide sleeve 14, and the guide sleeve 14 is connected with the guide rod 13 in a sliding way.
The specific implementation process is as follows:
the sofa backrest linkage type foot lifting functional frame is arranged in a box body of a sofa, a leg support of the sofa is fixedly arranged on a leg frame component, and a backrest of the sofa is fixedly arranged on a backrest frame 31; when the supporting part and the backrest of the sofa are folded, the driving motor 15 is started, the driving motor 15 drives the screw block 17 and the movable frame 18 to move along the axial direction of the guide module through the screw 16, the movable frame 18 drives the connecting plate 28 and the scissor frame 19 to move, the connecting plate 28 drives the leg cushion frame 21 to move together through the first connecting rod 23 and the second connecting rod 24, in the process of moving the second connecting rod 24, the limiting guide wheel 12 pushes the first limiting plate 26 to move until the limiting guide wheel 12 is separated from the first limiting plate 26, so that the second connecting rod 24 swings downwards, the limiting hook 25 at the second connecting rod 24 is separated from the first limiting block 22, the second limiting block 29 limits the first connecting rod 23, the excessive movement of the connecting module is avoided, and the leg cushion frame 21 drives the leg cushion to swing downwards to be below the horizontal position of the rack 11; meanwhile, the movable frame 18 pushes the backrest frame 31 through the scissor frame 19, the scissor frame 19 pushes the backrest frame 31 to move in the vertical direction with the joint point of the backrest frame 31 and the connecting lug 32 as a fulcrum until the movable frame 18 moves to the end of the screw 16 close to the driving motor 15, the leg pads and the leg pad frame 21 are completely folded to the bottom of the frame 11, and the backrest frame 31 are pushed to be in the vertical state.
When the backrest is laid flat and the leg pads are extended out, the driving motor 15 is started, the driving motor 15 rotates reversely, and the driving module drives the leg frame assembly to extend outwards and the backrest assembly to be gradually laid flat; the movable frame 18 pushes the connecting plate 28 and the scissor frame 19 to move, the connecting plate 28 drives the first connecting rod 23, the second connecting rod 24 and the leg pad frame 21 to move, the limiting guide wheel 12 enters a space between the first limiting plate 26 and the second limiting plate 27 in the moving process of the second limiting plate 27 until the second limiting plate 27 on the second connecting rod 24 is contacted with the limiting guide wheel 12, and the limiting guide wheel 12 pushes the second limiting plate 27 to move, so that the second connecting rod 24 swings upwards, that is, the connecting module drives the leg pad frame 21 and the leg pad to swing upwards until the limiting hook 25 is abutted to the first limiting block 22, and the leg pad of the sofa can be completely unfolded; at the same time, the movable frame 18 pulls the backrest frame 31 and the backrest to change the angle through the scissor frame 19, and swings towards the horizontal direction.
This sofa back coordinated type lifts foot functional rack can carry out the linkage through drive assembly and draw in leg frame subassembly and back subassembly in, supports the shank and adjusts with the cushion of sofa simultaneously, and the user of being convenient for uses, and this functional rack simple structure draws in compactly in, can reduce the space of sofa box effectively and occupy, can reduce the noise that mechanical motion brought simultaneously.
The foregoing are merely exemplary embodiments of the present invention, and no attempt is made to show structural details, features, or other details of the present invention in the form of a more detailed description, which is presented for the purpose of illustration only, the more detailed description being taken by way of example only, and the more detailed description being presented for the purpose of illustrating the principles of the invention as embodied in the form of a more complete and readily available computer-readable medium. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the applicability of the patent. The scope of the claims of the present application shall be defined by the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (3)
1. The utility model provides a foot functional rack is lifted to sofa back coordinated type which characterized in that: the leg support assembly comprises a rack, a driving assembly, a leg support assembly and a backrest assembly, wherein the driving assembly is installed at the rack, the leg support assembly is installed at one end of the rack, the backrest assembly is installed at the other end of the rack, the driving assembly comprises a driving module, a guide module and a scissor support, the driving module is installed in the middle of the rack, two sides of the rack are respectively provided with the guide module, the driving module is connected with the guide module, one end of the scissor support is connected with the driving module, the other end of the scissor support is connected with the backrest assembly, the leg support assembly comprises a leg pad support and two connecting modules, the leg pad support is connected with the driving module through the two connecting modules, the two connecting modules are symmetrically arranged at two sides of the leg pad support, and the connecting modules comprise a first connecting rod, a second connecting rod and a connecting plate, the first connecting rod and the second connecting rod are respectively arranged at two sides of the connecting plate, the first connecting rod and the second connecting rod are respectively connected with one end of the connecting plate in a rotating way through rotating shafts, the other ends of the first connecting rod and the second connecting rod are respectively connected with the leg pad frame in a rotating way through rotating shafts, the end part of the second connecting rod connected with the leg pad frame is provided with a limiting hook, the limiting hook is matched with a first limiting block fixedly arranged at the inner side of the leg pad frame, the end part of the second connecting rod far away from the limiting hook is provided with a first limiting plate and a second limiting plate, the first limiting plate and the second limiting plate are distributed in a V shape, a limiting guide wheel is arranged between the first limiting plate and the second limiting plate, the limiting guide wheel is fixedly arranged at one end of the frame far away from the backrest component, the other end of the connecting plate is fixedly connected with the driving module, one side of the connecting plate connected with the first connecting rod is provided with a first limiting block, and the second limiting block is matched with the first connecting rod, the backrest assembly comprises a backrest frame and connecting support lugs, the connecting support lugs are arranged on two sides of the backrest frame, one end of each connecting support lug is rotatably connected with the backrest frame through a rotating shaft, the other end of each connecting support lug is fixedly connected with the rack, and the bottom of the backrest frame is hinged to the scissor frame through a rotating shaft.
2. The sofa backrest linkage type foot lifting functional frame as claimed in claim 1, characterized in that: the driving module comprises a driving motor, a screw rod, a screw block and a movable frame, the driving motor is fixedly installed on one side, connected with the backrest frame, of the rack, an output shaft of the driving motor is fixedly connected with one end of the screw rod through a speed reducer, the screw rod is connected with the screw block through threads, the screw block is fixedly installed on the movable frame, the movable frame is connected with the guiding module, and the movable frame is fixedly connected with the connecting plate.
3. The sofa backrest linkage type foot lifting functional frame as claimed in claim 2, characterized in that: the guide module comprises a guide rod and a guide sleeve, the guide rod is fixedly installed in the machine frame, the guide sleeve is sleeved on the guide rod and is in sliding connection with the guide rod, the guide sleeve is fixedly connected with the movable frame, and the movable frame is hinged to one end, away from the backrest frame, of the scissor frame through a rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221168989.3U CN217565444U (en) | 2022-05-16 | 2022-05-16 | Sofa backrest linkage type foot lifting functional frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221168989.3U CN217565444U (en) | 2022-05-16 | 2022-05-16 | Sofa backrest linkage type foot lifting functional frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217565444U true CN217565444U (en) | 2022-10-14 |
Family
ID=83551345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221168989.3U Active CN217565444U (en) | 2022-05-16 | 2022-05-16 | Sofa backrest linkage type foot lifting functional frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217565444U (en) |
-
2022
- 2022-05-16 CN CN202221168989.3U patent/CN217565444U/en active Active
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