CN215820335U - Sofa with leg supporting structure - Google Patents

Abstract

The utility model provides a sofa with shank bearing structure, the sofa seat is equipped with the shank carrier that makes the shank crooked naturally in the one end of keeping away from the back, the inboard that the shank carrier was equipped with first driving piece, the second driving piece, the third driving piece, first driving piece is used for driving shank carrier to roll up to the inboard, the second driving piece is used for driving shank carrier to remove along the length direction of sofa seat, the third driving piece is used for driving shank carrier upwards or overturn downwards, and allow first driving piece, the second driving piece, the mutual linkage of third driving piece three. The utility model has the advantages that the shank bearing piece is arranged, so that the legs of a user are bent to a certain degree when the user sits on the sofa, the fatigue of the legs can be greatly relieved, the comfort level is better, the first driving piece, the second driving piece and the third driving piece are used for changing the using state of the shank bearing piece, and meanwhile, the first driving piece, the second driving piece and the third driving piece can be linked with each other, so that the rapid adjustment is realized.

Description

Sofa with leg supporting structure

Technical Field

The utility model relates to the technical field of sofas, in particular to a sofa with a leg supporting structure.

Background

The sofa is an essential product for modern family life, and people are always used to chat, entertain and relax or relieve fatigue on the sofa no matter whether relatives and friends meet or after finishing busy work and study in one day.

The publication number CN212972408U discloses a sofa human body self-adaptive control device, which comprises a mounting seat, wherein the upper surface of the mounting seat is fixedly provided with a heating plate, the bilateral symmetry of the mounting seat is fixedly provided with side armrest seats, one side of each side armrest seat is fixedly provided with a side pressure sensor, the middle of the lower surface of the mounting seat is fixedly provided with a rotating device, one side of the mounting seat is fixedly provided with an adjusting seat, the top of the adjusting seat is provided with a sofa backrest, an adjusting device which enables the sofa backrest to generate angular displacement is fixedly arranged between the sofa backrest and the adjusting seat, the inside of the sofa backrest is fixedly provided with a pressure sensor, one side of the sofa backrest is fixedly provided with a neck pillow, the neck pillow is fixedly provided with a temperature sensor, one side of the mounting seat far away from the adjusting seat is rotatably connected with a leg support plate through a rotating shaft, and a pushing assembly which enables the leg support plate to generate angular displacement is fixedly arranged between the two side armrest seats, the upper surface of mount pad is fixed and is equipped with the sofa pad, adjust the fixed control assembly that is equipped with of seat. The leg supporting plate of the sofa is single in adjustment, the leg supporting plate can only be turned over to change the angle, and the function of the sofa cannot meet various requirements in the sofa field.

SUMMERY OF THE UTILITY MODEL

The present invention is to solve the above-mentioned disadvantages of the prior art and to provide a sofa with a leg supporting structure to solve the above-mentioned problems.

The utility model adopts the technical scheme for solving the technical problems that: the sofa with the leg supporting structure comprises a sofa seat, a backrest and two armrests, wherein the armrests are arranged on two sides of the sofa seat, the backrest is adjustably connected between the two armrests, one end of the sofa seat far away from the backrest is provided with a shank bearing piece enabling legs to be bent naturally, the inner side of the shank bearing piece is provided with a first driving piece, a second driving piece and a third driving piece, the first driving piece is used for driving the shank bearing piece to be turned inwards and prolonging or shortening the using length of the shank bearing piece after being turned, the second driving piece is used for driving the shank bearing piece to move along the length direction of the sofa seat and prolonging or shortening the length of the front end of the shank bearing piece from the sofa seat after being moved, the third driving piece is used for driving the shank bearing piece to be turned upwards or downwards and increasing or reducing the included angle between the shank bearing piece and the upper surface of the sofa seat after being turned, and allowing the first driving piece, The second driving piece and the third driving piece are mutually linked.

Further perfect, first driving piece has two and is located shank and holds carrier bilateral symmetry and sets up, and it includes drive wheel, follower and connects connecting band between them, and the drive wheel rotates to be connected in the corresponding inner wall of the upper segment part of sofa seat and is connected with first motor, and follower fixed connection holds the corresponding side of carrier's lower extreme in the shank.

Further perfection, connecting rods are connected between the two driving wheels and between the two driven wheels.

Further perfect, the second driving piece is located shank and holds carrier's position department placed in the middle, and it includes cylinder, connecting plate, and the cylinder is installed in sofa seat and the position middle part is the back partially to set up along sofa seat's length direction, connecting plate one end is connected with the piston rod of cylinder, the other end holds carrier with the shank and is connected.

Further perfect, the third driving piece is located the position department placed in the middle of the carrier is born to the shank, and it includes wheel seat, rotation wheel, telescopic link, and the wheel seat is installed in sofa seat and the position middle part is preceding partially, rotates the wheel and rotates to be connected in the wheel seat and be connected with the second motor, and the stiff end of telescopic link is fixed in and rotates the wheel, flexible end rotation to be connected in the connecting rod of being connected with two follower wheels.

Further perfect, the position department placed in the middle of the connecting rod of being connected with two follower wheels has the breach to make the connecting rod form first branch pole, second branch pole through the breach, telescopic link one end is fixed with the axle sleeve, and axle sleeve one end is rotated and is connected in first branch pole, the other end and is rotated and connect in the second branch pole.

Further perfect, shank carrier includes translation portion, roll-over portion, and translation portion removes in sofa seat and with connecting plate fixed connection, roll-over portion one end rotation connection in translation portion, the other end and follower fixed connection.

Further perfection, the turning part is provided with a plurality of sheet bodies, two adjacent sheet bodies are flexibly connected and serve as a framework of the turning part, the sheet body located at the lowest position is also provided with an extending sheet which is in an L-shaped configuration with the sheet body, and the extending sheet and the driven wheel are fixed through gluing.

Further perfection, the central position of the outer surfaces of the upper sheet bodies is fixed with a bulge, and the bulge is allowed to be used for installing the shank separation block.

The utility model has the beneficial effects that:

the shank bearing piece is arranged, so that when a user sits on a sofa, the legs are bent to a certain degree, the fatigue of the legs can be relieved to a great degree, the comfort level is good, the first driving piece, the second driving piece and the third driving piece are used for changing the using state of the shank bearing piece, the applicability of the shank bearing piece is enhanced because the shank length of each person and the sitting posture pattern of each person are different, meanwhile, the first driving piece, the second driving piece and the third driving piece can be linked, each driving piece is electrically connected with two corresponding buttons, one button is a plus sign and the other button is a minus sign, the user can select the button to be adjusted, and the linkage adjustment can be realized by pressing the buttons simultaneously, so that the quick adjustment is realized.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the present invention, illustrating a first driving member, a second driving member, and a third driving member;

FIG. 3 is a schematic view in full section of the first drive member of the present invention;

FIG. 4 is a schematic view of the structure of the connecting rod and the telescopic rod of the present invention;

figure 5 is a schematic view of a calf support of the utility model.

Detailed Description

The utility model will be further described with reference to the accompanying drawings in which:

with reference to the accompanying drawings: the sofa with the leg supporting structure comprises a sofa seat 1, a backrest 2 and two armrests 3, wherein the armrests 3 are arranged on two sides of the sofa seat 1, the backrest 2 is adjustably connected between the two armrests 3, one end of the sofa seat 1 far away from the backrest 2 is provided with a shank bearing piece 4 enabling legs to be naturally bent, the inner side of the shank bearing piece 4 is provided with a first driving piece 5, a second driving piece 6 and a third driving piece 7, the first driving piece 5 is used for driving the shank bearing piece 4 to be turned inwards and prolonging or shortening the using length of the shank bearing piece 4 after being turned, the second driving piece 6 is used for driving the shank bearing piece 4 to move along the length direction of the sofa seat 1 and prolonging or shortening the length of the front end of the shank bearing piece 4 far away from the sofa seat 1 after being moved, the third driving piece 7 is used for driving the shank bearing piece 4 to be turned upwards or downwards and increasing or reducing the included angle between the shank bearing piece 4 and the upper surface of the sofa seat 1 after being turned, and allows the first driving member 5, the second driving member 6 and the third driving member 7 to be interlocked with each other. The principle of the utility model lies in that the legs are bent to a certain degree through the arrangement of the shank bearing piece 4, the fatigue of the legs can be relieved to a great degree, the comfort level is better, the first driving piece 5, the second driving piece 6 and the third driving piece 7 are used for changing the using state of the shank bearing piece 4, the applicability of the shank bearing piece 4 is enhanced because the shank length of each person and the sitting posture pattern of each person are different, meanwhile, the first driving piece 5, the second driving piece 6 and the third driving piece 7 can be linked mutually, each driving piece is electrically connected with two corresponding buttons, one is a plus sign and the other is a minus sign, a user can select a button to be adjusted, and the linkage adjustment can be realized by pressing the buttons simultaneously.

For the first driving member 5, the first driving member 5 is used to drive the calf support 4 to roll inwards, the first driving member 5 has two parts and is symmetrically arranged at two sides of the calf support 4, and comprises a driving wheel 51, a driven wheel 52 and a connecting band 53 connecting the driving wheel 51 and the driven wheel 52, the driving wheel 51 is rotatably connected to the corresponding inner wall of the upper section of the sofa seat 1 and is connected with a first motor 54, the driven wheel 52 is fixedly connected to the corresponding side of the lower end of the calf support 4, the arrangement can be realized by the way that the first motor 54 drives the driving wheel 51 to rotate, the driving wheel 51 transmits kinetic energy to the driven wheel 52 through the connecting band 53, the driven wheel 52 is composed of two round blocks with different diameters, the round block with a large diameter is arranged at the inner side and is fixedly connected with the calf support 4, and the round block with a small diameter is arranged at the outer side and is connected with the connecting band 53, so that when the calf support 4 rolls, the calf support 4 can be wound on the round block with a large diameter, the interference to the connecting belt 53 can not be caused, the connecting positions of the connecting belt 53 and the driving wheel 51 and the driven wheel 52 are provided with a plurality of protrusions, the connecting positions of the driving wheel 51, the driven wheel 52 and the connecting belt 53 are provided with a plurality of slots for the protrusions to be inserted, and the protrusions are glued through glue after being inserted into the slots, so that the stable connection of the connecting belt 53 and the driving wheel 51 and the driven wheel 52 is ensured, meanwhile, the connecting belt 53 has good toughness and variable effect, the connecting belt 53 can have the effect of prolonging the length when the shank bearing part 4 is rolled up, and therefore, the occurrence of poor conditions such as stagnation caused by too large angle change can be avoided.

Further perfection, all be connected with connecting rod 55 between two action wheels 51, between two follower 52, like this setting only needs one action wheel 51 to rotate, and another action wheel 51 and two follower 52 homoenergetic realize rotating in step, and first motor 54 as the power supply also only need set up one promptly, reduce cost and reduce the noise of first motor 54 when the operation.

For the second driving member 6, the second driving member 6 is used to drive the shank carrier 4 to move along the length direction of the sofa seat 1, the second driving member 6 is located at the middle position of the shank carrier 4, and includes a cylinder 61 and a connecting plate 62, the cylinder 61 is installed in the sofa seat 1, and the middle position of the cylinder 61 is set back, and the cylinder is set along the length direction of the sofa seat 1, one end of the connecting plate 62 is connected with the piston rod of the cylinder 61, and the other end is connected with the shank carrier 4, so that the setting can be realized, the cylinder 61 is used as the power source for realizing the movement of the shank carrier 4, the connecting plate 62 is the middle part for connecting the cylinder 61 and the shank carrier 4, and the distance is provided between the cylinder 61 and the shank carrier 4, so the connecting plate 62 is set to be in an L-shaped configuration, which not only compensates the length distance, but also compensates the height distance, and simultaneously can avoid other components, thereby, a movement of the calf carrier 4 in the length direction of the sofa sleeper 1 is achieved.

For the third driving member 7, the third driving member 7 is used to drive the calf support 4 to turn upwards or downwards, the third driving member 7 is located at the middle position of the calf support 4, and includes a wheel seat 71, a rotating wheel 72 and a telescopic rod 73, the wheel seat 71 is installed in the sofa seat 1, the middle position of the wheel seat is forward, the rotating wheel 72 is rotatably connected to the wheel seat 71 and connected to a second motor 74, the fixed end of the telescopic rod 73 is fixed to the rotating wheel 72, the telescopic end is rotatably connected to the connecting rod 55 connected to the two driven wheels 52, such an arrangement can be achieved, because the third driving member 7 is located at the middle position, the arrangement is such that the third driving member 7 can apply uniform force to the connecting rod 55, when the calf support 4 is driven to turn upwards or downwards, the calf support 4 can turn smoothly, when the third driving member 7 is located at the middle position, the rotating wheel 72 cannot be directly arranged at the sofa seat 1, therefore, the wheel seat 71 provides a rotating connection part for the rotating wheel 72, the wheel seat 71 can also provide a mounting position for the second motor 74, the second motor 74 provides kinetic energy for the rotating wheel 72 to enable the rotating wheel to rotate, and the telescopic rod 73 has the advantages that on one hand, the rotating wheel 72 rotates to drive the shank bearing piece 4 to turn over, and on the other hand, the length of the shank bearing piece is changed, so that the shank bearing piece can turn over smoothly without stagnation.

Further perfection, a notch 55-a is arranged at the central position of a connecting rod 55 connected with the two driven wheels 52, the connecting rod 55 forms a first branch rod 55-b and a second branch rod 55-c through the notch 55-a, a shaft sleeve 73-a is fixed at one end of a telescopic rod 73, one end of the shaft sleeve 73-a is rotatably connected with the first branch rod 55-b, the other end of the shaft sleeve 73-a is rotatably connected with the second branch rod 55-c, the arrangement is easy to connect the telescopic rod 73 and the connecting rod 55, the aim is to facilitate disassembly in later maintenance, when in connection, the shaft sleeve 73-a is firstly sleeved on the first branch rod 55-b or the second branch rod 55-c through the notch 55-a, after the first step is completed, the shaft sleeve 73-a is moved to be sleeved on the second branch rod 55-c or the first branch rod 55-b, thereby completing the connection with the first and second sub-rods 55-b, 55-c.

In order to enable the calf support 4 to adapt to the state changes under the driving of the first driving element 5, the second driving element 6 and the third driving element 7, the calf support 4 comprises a translation part 41 and a rolling part 42, the translation part 41 moves in the sofa seat 1 and is fixedly connected with the connecting plate 62, one end of the rolling part 42 is rotatably connected to the translation part 41, and the other end of the rolling part 42 is fixedly connected with the driven wheel 52.

In order to realize the rolling of the shank carrier 4, the rolling part 42 is provided with a plurality of sheet bodies 42-a, the adjacent two sheet bodies 42-a are flexibly connected and used as a framework of the rolling part 42, the sheet body 42-a positioned at the lowest part is also provided with an extending sheet 42-a1 which is in an L-shaped configuration with the extending sheet, the extending sheet 42-a1 is fixed with the driven wheel 52 through gluing, the arrangement is similar to ancient bamboo book, so that the rolling part 42 can be rolled, the original plane is changed into a cylinder shape during the rolling, the rolling is inwards rolled, the using length of the shank carrier 4 is shortened, and therefore, the extending sheet 42-a1 is used for realizing the fixed linkage of the shank 4 of the carrier and the driven wheel 52, the upper surface of the extending sheet 42-a1 is an arc-shaped surface matched with a round block with a large diameter of the driven wheel 52 when a user uses the shank carrier, and then, fitting the round block with the large diameter to the upper surface of the round block, and gluing the round block with the large diameter by glue.

Further perfection, the bulges 8 are fixed at the central positions outside the plurality of sheet bodies 42-a above, the bulges 8 are allowed to be used for installing the shank separating blocks, the shank separating blocks are used for separating two shanks of a user and matching with thighs to be contacted with the handrails 3, therefore, the leg extrusion effect is generated, the shanks are enabled to have better wrapping performance, the shank separating blocks are convenient to install, only the shank separating blocks need to be inserted into the bulges 8, and the back surfaces of the shank separating blocks are provided with the slots.

While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims (9)

1. The utility model provides a sofa with shank bearing structure, includes sofa seat (1), back (2), two handrail (3), and install in sofa seat (1) both sides handrail (3), back (2) adjustable connection between two handrail (3), its characterized in that: the sofa seat (1) is kept away from one end of the backrest (2) is provided with a shank bearing part (4) which enables legs to be naturally bent, the inner side of the shank bearing part (4) is provided with a first driving part (5), a second driving part (6) and a third driving part (7), the first driving part (5) is used for driving the shank bearing part (4) to be turned to the inner side and is prolonged or shortened after being turned, the using length of the shank bearing part (4) is self, the second driving part (6) is used for driving the shank bearing part (4) to move along the length direction of the sofa seat (1) and is prolonged or shortened after being moved, the distance from the front end of the shank bearing part (4) to the length of the sofa seat (1), the third driving part (7) is used for driving the shank bearing part (4) to be turned upwards or downwards and is increased or reduced after being turned, the included angle between the shank bearing part (4) and the upper surface of the sofa seat (1) is increased or reduced, and the first driving piece (5), the second driving piece (6) and the third driving piece (7) are allowed to be mutually linked.

2. The sofa with leg support structure as set forth in claim 1, wherein: first driving piece (5) have two and are located shank carrier (4) bilateral symmetry sets up, and it includes drive wheel (51), driven wheel (52) and connects connecting band (53) of both, drive wheel (51) rotate connect in the corresponding inner wall of the upper segment part of sofa seat (1) is connected with first motor (54), driven wheel (52) fixed connection in the corresponding side of the lower extreme of shank carrier (4).

3. The sofa with leg support structure as set forth in claim 2, wherein: connecting rods (55) are connected between the two driving wheels (51) and between the two driven wheels (52).

4. The sofa with leg support structure as set forth in claim 1, wherein: the second driving piece (6) is located at the middle position of the shank bearing piece (4) and comprises a cylinder (61) and a connecting plate (62), the cylinder (61) is installed in the sofa seat (1), the middle of the position of the cylinder is inclined to the back, the cylinder is arranged along the length direction of the sofa seat (1), one end of the connecting plate (62) is connected with a piston rod of the cylinder (61), and the other end of the connecting plate is connected with the shank bearing piece (4).

5. The sofa with leg support structure as set forth in claim 2, wherein: third driving piece (7) are located the position department placed in the middle of shank carrier (4), and it includes wheel seat (71), rotates wheel (72), telescopic link (73), wheel seat (71) install in sofa seat (1) and position middle part are preceding partially, rotate wheel (72) rotate connect in wheel seat (71) are connected with second motor (74), the stiff end of telescopic link (73) is fixed in rotate wheel (72), flexible end rotate connect in with two driven wheel (52) are connected connecting rod (55).

6. The sofa with leg support structure as set forth in claim 5, wherein: a notch (55-a) is formed in the middle of the connecting rod (55) connected with the two driven wheels (52), the connecting rod (55) forms a first branch rod (55-b) and a second branch rod (55-c) through the notch (55-a), one end of the telescopic rod (73) is fixed with a shaft sleeve (73-a), one end of the shaft sleeve (73-a) is rotatably connected to the first branch rod (55-b), and the other end of the shaft sleeve (73-a) is rotatably connected to the second branch rod (55-c).

7. The sofa with leg support structure as set forth in claim 2, wherein: the shank bearing part (4) comprises a translation part (41) and a rolling part (42), the translation part (41) moves in the sofa seat (1) and is fixedly connected with the connecting plate (62), and one end of the rolling part (42) is rotatably connected with the translation part (41) and the other end of the rolling part and is fixedly connected with the driven wheel (52).

8. The sofa with leg support structure as set forth in claim 7, wherein: the turning-up part (42) is provided with a plurality of sheet bodies (42-a), two adjacent sheet bodies (42-a) are flexibly connected and used as a framework of the turning-up part (42), the sheet body (42-a) positioned at the lowest position is also provided with an extension sheet (42-a 1) which is in an L-shaped configuration with the sheet body, and the extension sheet (42-a 1) and the driven wheel (52) are fixed through gluing.

9. The sofa with leg support structure as set forth in claim 8, wherein: a bulge (8) is fixed at the central position of the outer face of the upper sheet bodies (42-a), and the bulge (8) is allowed to pass through for installing the calf separation block.

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