CN210540142U - Sofa with state switching function - Google Patents

Abstract

The utility model discloses a sofa with state switching function, which belongs to the field of soft furniture and comprises a sofa base, wherein a sofa cushion is fixedly connected on the sofa base, the sofa cushion is rotationally connected with a leg pad, the leg pad can be butted on one side of the sofa base, the sofa base is provided with a hollow groove, the leg pad is fixedly connected with a supporting plate, the sofa base is rotationally connected with a first connecting rod, the first connecting rod is fixedly connected with an articulated shaft, the articulated shaft is rotationally connected with a second connecting rod and a push rod, and the second connecting rod is rotationally connected with one end of the supporting plate; the sofa base is fixedly connected with a first spring, the first spring is fixedly connected to the push rod, and the first spring gives a force to the push rod towards the direction of the supporting plate; the inserting groove has been seted up to the corresponding push rod position department at sofa base, and inserting groove intercommunication dead slot has a shelves pole at the sliding connection of inserting groove, has seted up the fender groove at the corresponding shelves pole position department of push rod, the utility model discloses have and extract a shelves pole and can make the leg pad bounce, make the effect that sofa can the fast switch over state.

Description

Sofa with state switching function

Technical Field

The utility model belongs to the technical field of the technique of soft-packed furniture and specifically relates to a sofa with state switching function is related to.

Background

At present, most families place sofas in residences, and the sofa is a foreign word and is translated according to the English word sofa. Is a multi-seat chair with soft cushions. The back-rest chair with spring or thick foamed plastic has armrests on two sides and is one kind of soft furniture. The sofa is a very popular one in modern home and has a very large variety of shapes. Typically, sofas are sold as sets, with single-seat sofas and multi-seat sofas.

In the prior art, reference may be made to chinese patent with application publication No. CN106136677A, which discloses an intelligent sofa with a lifting function, and belongs to the technical field of sofas. It has solved the problem of prior art sofa function singleness. This take raising and lowering functions's intelligent sofa, including the sofa cushion, the sofa back, sofa handrail and sofa base, sofa base below is equipped with the dust removal mechanism that can clear up rubbish, be equipped with a plurality of landing legs on the sofa base, be equipped with the lift location structure two that can go up and down a plurality of landing legs between a plurality of landing legs and the base, lift location structure two includes cylinder one and cylinder two, the cylinder body of cylinder one is fixed on sofa base, the piston rod of cylinder one is vertical downwards, the tip and the left landing leg upper end of the piston rod of cylinder one are fixed mutually, the cylinder body of cylinder two is fixed on sofa base, the piston rod of cylinder two is vertical downwards, the tip and the right side landing leg of the piston rod of cylinder two are fixed mutually.

The above prior art solutions have the following drawbacks: the base of above-mentioned intelligent sofa is equipped with the baffle of slope, makes the user can lie down on the sofa, but the baffle can influence user's position of sitting at ordinary times, and the both legs can't put down when making the user sit on the sofa, influences user experience.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sofa with state switching function, extract shelves pole and can make the leg pad bounce, make the sofa can the fast switch over state.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a sofa with state switches function, includes sofa base, fixedly connected with sofa cushion on sofa base, and sofa cushion rotates and is connected with the leg pad, and the leg pad can butt in sofa base one side, its characterized in that: the sofa base is provided with a hollow groove, one side of the leg pad close to the sofa base is fixedly connected with a supporting plate, a first connecting rod is rotatably connected inside the corresponding hollow groove of the sofa base, one end of the first connecting rod, far away from the sofa base, is fixedly connected with a hinged shaft, a second connecting rod and a push rod are rotatably connected onto the hinged shaft, and the second connecting rod is rotatably connected to one end of the supporting plate; a first spring is fixedly connected to the position, corresponding to the hollow groove, of the sofa base, and far away from one end of the supporting plate, the first spring is fixedly connected to the push rod, and the first spring provides force for the push rod towards the direction of the supporting plate; the sofa base is provided with an inserting groove corresponding to the position of the push rod, the inserting groove is communicated with the empty groove, a stop lever is connected in the inserting groove in a sliding mode, the push rod is provided with a stop groove corresponding to the position of the stop lever, the stop lever can be inserted into the stop groove, and when the stop lever is inserted into the stop groove, the supporting plate is in a vertical state.

Through adopting above-mentioned scheme, when the user extracted the shelves pole, first spring promoted the push rod and moves to being close to the backup pad direction, and the push rod promotes the backup pad through promoting the second connecting rod and rotates, makes the leg pad be the tilt state, more is suitable for the user and lies, and the user also can push back vertical state with the leg pad, then inserts the shelves pole and keeps off inslot fixed supporting plate position, makes the sofa freely switchable state, and convenience of customers uses.

The utility model discloses further set up to: keep away from second connecting rod one end at the bracing piece and rotate and be connected with the fourth connecting rod, correspond the inside position department of dead slot at sofa base and rotate and be connected with the third connecting rod, sofa base one end fixedly connected with axis of rotation is kept away from to the third connecting rod, the fourth connecting rod rotates and connects in the axis of rotation, it is connected with the auxiliary rod to rotate in the axis of rotation, correspond auxiliary rod position department fixedly connected with second spring at sofa base, second spring fixed connection is on the auxiliary rod, the power of auxiliary rod to the backup pad direction is given to the second spring, the auxiliary rod is parallel to each other with the push rod, auxiliary rod fixedly connected with connecting rod, the setting of connecting rod perpendicular to auxiliary rod, auxiliary rod one end fixed connection.

Through adopting above-mentioned scheme, the push rod promotes the backup pad together with the auxiliary rod and can make the motion of backup pad more stable, prevents that the backup pad from taking place crooked.

The utility model discloses further set up to: one end of the stop lever, which is close to the push rod, is fixedly connected with an elastic clamping block which is arranged in an oval shape, and the long axis of the clamping block is arranged along the length direction of the stop lever; the position of the blocking groove corresponding to the clamping block is provided with a clamping groove matched with the clamping block, and the clamping block can be clamped in the clamping groove.

By adopting the scheme, the matching between the gear lever and the retaining groove is tighter during the clamping block and the clamping groove, and the oval clamping block can not influence the user to pull out the gear lever.

The utility model discloses further set up to: the booster spring is fixedly connected to the blocking rod and fixedly connected to the sofa base, and the blocking rod can be inserted into the blocking groove in the natural state of the booster spring.

Through adopting above-mentioned scheme, helping hand spring can be connected a grade pole and sofa base, prevents that a grade pole from losing, makes a grade pole always to the inside application of force of sofa base simultaneously, and when the user pushed back the backup pad, a grade pole can be in the automatic insertion fender groove under helping hand spring's drive, more convenience of customers uses.

The utility model discloses further set up to: push rod and auxiliary rod are close to equal fixedly connected with slide bar in sofa base one side, have seted up the arc wall in sofa base correspondence slide bar position department, and the arc wall sets up along the movement track of push rod, and slide bar sliding connection is in the arc wall.

Through adopting above-mentioned scheme, arc wall and slide bar can make the removal of push rod and auxiliary rod more stable.

The utility model discloses further set up to: keep away from the equal fixedly connected with of backup pad one end at push rod and auxiliary rod and have elastic lug, correspond first spring and second spring position department at sofa base and all offer flutedly, the lug can joint with the recess in.

Through adopting above-mentioned scheme, the lug can make push rod and auxiliary rod disperse the atress under the vertical state of backup pad with the recess cooperation, reduces the application of force of push rod and auxiliary rod to articulated shaft and axis of rotation, increases life.

The utility model discloses further set up to: the blocking rod extends out of the sofa base, one end of the blocking rod extending out of the sofa base is fixedly connected with a handle, and the longitudinal sectional area of the handle is larger than that of the insertion groove.

By adopting the scheme, the handle is convenient for a user to pull out the blocking rod, and the blocking rod is prevented from falling into the empty groove and being difficult to take out.

To sum up, the utility model discloses following beneficial effect has:

1. when a user pulls out the blocking rod, the first spring pushes the push rod to move towards the direction close to the supporting plate, the push rod pushes the supporting plate to rotate by pushing the second connecting rod, so that the leg pad is in an inclined state and is more suitable for the user to lie down, the user can push the leg pad back to a vertical state, and then the blocking rod is inserted into the blocking groove to fix the position of the supporting plate, so that the sofa can be freely switched to be convenient for the user to use;

2. the push rod and the auxiliary rod push the support plate together, so that the movement of the support plate is more stable, and the support plate is prevented from being inclined;

3. the booster spring can be connected the shelves pole with the sofa base, prevents that the shelves pole from losing, makes the shelves pole can always be to the inside application of force of sofa base simultaneously, and when the user pushed back the backup pad, the shelves pole can be in the automatic insertion fender groove under booster spring's drive, more convenience of customers uses.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is an exploded view of the embodiment highlighting the sofa base;

FIG. 3 is a sectional view of a protruding hollow groove in the embodiment;

FIG. 4 is an exploded view of the embodiment of the protruding socket and the push rod;

FIG. 5 is a schematic view of a protrusion push rod and an auxiliary rod in the embodiment;

FIG. 6 is a schematic view of a protruding catch groove and a snap groove in an embodiment;

FIG. 7 is a cross-sectional view of a protruding bump and a recess in an embodiment;

fig. 8 is an enlarged view of a portion a in fig. 7.

In the figure, 1, a sofa base; 11. a sofa cushion; 111. a leg pad; 1111. a support plate; 112. a backrest cushion; 1121. a backrest frame; 113. a handrail; 1131. a through groove; 12. an empty groove; 13. an arc-shaped slot; 14. inserting grooves; 15. a groove; 2. a push rod; 21. a first link; 211. hinging a shaft; 22. a second link; 23. a first spring; 24. a bump; 25. a connecting rod; 26. a baffle groove; 261. a clamping groove; 27. a slide bar; 3. an auxiliary lever; 31. a third link; 311. a rotating shaft; 32. a fourth link; 33. a second spring; 4. a gear lever; 41. a clamping block; 42. a power-assisted spring; 43. a handle.

Detailed Description

Example (b): a sofa with a state switching function is disclosed, as shown in fig. 1 and fig. 2, comprising a sofa base 1, a sofa cushion 11 is fixedly connected to the sofa base 1, armrests 113 are fixedly connected to both sides of the sofa base 1, and a backrest frame 1121 is fixedly connected to one end of the sofa base 1. The sofa cushion 11 is rotatably connected with a leg pad 111, the leg pad 111 can abut against one side of the sofa base 1 away from the backrest frame 1121, the other end of the sofa cushion 11 is rotatably connected with a backrest pad 112, and the backrest pad 112 is fixedly connected to the backrest frame 1121.

As shown in fig. 3 and 4, the sofa base 1 is provided with a hollow groove 12, a support plate 1111 is fixedly connected to one side of the leg pad 111 close to the sofa base 1, and the support plate 1111 is rotatably connected to the sofa base 1.

As shown in fig. 3 and 5, a first connecting rod 21 is rotatably connected to the inside of the empty slot 12 corresponding to the sofa base 1, a hinge shaft 211 is fixedly connected to one end of the first connecting rod 21 away from the sofa base 1, a second connecting rod 22 and a push rod 2 are rotatably connected to the hinge shaft 211, and the second connecting rod 22 is rotatably connected to one end of the supporting plate 1111. The sofa base 1 is corresponding to the inside dead slot 12 and is kept away from one end position department fixedly connected with first spring 23 of backup pad 1111, and first spring 23 fixed connection is on push rod 2, and first spring 23 gives push rod 2 to the power of backup pad 1111 direction. A fourth connecting rod 32 is rotatably connected to one end of the supporting rod far away from the second connecting rod 22, a third connecting rod 31 is rotatably connected to the position inside the empty groove 12 corresponding to the sofa base 1, a rotating shaft 311 is fixedly connected to one end of the third connecting rod 31 far away from the sofa base 1, and the fourth connecting rod 32 is rotatably connected to the rotating shaft 311. The rotation shaft 311 is rotatably connected with the auxiliary rod 3, the sofa base 1 is fixedly connected with a second spring 33 at a position corresponding to the auxiliary rod 3, the second spring 33 is fixedly connected to the auxiliary rod 3, and the second spring 33 provides force to the auxiliary rod 3 towards the supporting plate 1111. Auxiliary rod 3 is parallel to each other with push rod 2, and 3 fixedly connected with connecting rod 25 of auxiliary rod, connecting rod 25 perpendicular to auxiliary rod 3 set up, and 3 one end fixed connection of auxiliary rod are kept away from on push rod 2 to connecting rod 25. The first spring 23 and the second spring 33 can push the support plate 1111 to the inclined state by pushing the push rod 2 and the auxiliary lever 3.

As shown in fig. 4 and 5, the push rod 2 and the auxiliary rod 3 are both fixedly connected with a sliding rod 27 at one side close to the sofa base 1, an arc-shaped groove 13 is formed at a position of the sofa base 1 corresponding to the sliding rod 27, the arc-shaped groove 13 is arranged along the motion track of the push rod 2, and the sliding rod 27 is slidably connected in the arc-shaped groove 13. The arc-shaped groove 13 and the sliding rod 27 enable the movement of the push rod 2 and the auxiliary rod 3 to be more stable.

As shown in fig. 4 and 5, an insertion groove 14 is formed at a position of the sofa base 1 corresponding to the push rod 2, and the insertion groove 14 is communicated with the empty groove 12. A through groove 1131 (see fig. 2) is formed in a position of the armrest 113 corresponding to the insertion groove 14, the through groove 1131 is communicated with the insertion groove 14, a blocking rod 4 is connected in the through groove 1131 and the insertion groove 14 in a sliding manner, a blocking groove 26 is formed in a position of the push rod 2 corresponding to the blocking rod 4, and the blocking rod 4 can be inserted into the blocking groove 26. When the lever 4 is inserted into the notch 26, the support plate 1111 is in a vertical state.

As shown in fig. 2 and 4, the blocking rod 4 extends out of the armrest 113, and a grip 43 is fixedly connected to one end of the blocking rod 4 extending out of the armrest 113, and a longitudinal sectional area of the grip 43 is larger than a longitudinal sectional area of the insertion groove 14 and the through groove 1131.

As shown in fig. 5 and 6, one end of the stopper rod 4 close to the push rod 2 is fixedly connected with an elastic clamping block 41 in an oval shape, and a long axis of the clamping block 41 is arranged along the length direction of the stopper rod 4. A clamping groove 261 matched with the clamping block 41 is formed in the position, corresponding to the clamping block 41, of the blocking groove 26, and the clamping block 41 can be clamped in the clamping groove 261. The assistant spring 42 is fixedly connected to the blocking rod 4, the assistant spring 42 is fixedly connected to the sofa base 1, and the blocking rod 4 can be inserted into the blocking groove 26 in a natural state of the assistant spring 42. Helping hand spring 42 can be connected shelves pole 4 and sofa base 1, prevents that shelves pole 4 from losing, makes the inside application of force of shelves pole 4 can be to sofa base 1 all the time simultaneously, when the user pushed back backup pad 1111, shelves pole 4 can be under helping hand spring 42's drive automatic insertion keep off in the groove 26, more convenience of customers uses.

As shown in fig. 7 and 8, the push rod 2 and the auxiliary rod 3 are both fixedly connected with a protrusion 24 with elasticity at one end far away from the supporting plate 1111, the sofa base 1 is provided with a groove 15 at a position corresponding to the first spring 23 and the second spring 33, and the protrusion 24 can be clamped in the groove 15. The convex block 24 and the groove 15 are matched, so that the push rod 2 and the auxiliary rod 3 are stressed dispersedly in the vertical state of the supporting plate 1111, the force applied by the push rod 2 and the auxiliary rod 3 to the hinge shaft 211 and the rotating shaft 311 is reduced, and the service life is prolonged.

The use method comprises the following steps: when the user pulls out the gearshift lever 4, the first spring 23 and the second spring 33 can push the support plate 1111 to the inclined state by pushing the push rod 2 and the auxiliary lever 3, so that the leg pad 111 is in the inclined state, which is more suitable for the user to lie down. The user can push the leg pad 111 back to the upright position and then the blocking lever 4 is automatically inserted into the blocking groove 26 by the power spring 42.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (7)

1. The utility model provides a sofa with state switches function, includes sofa base (1), fixedly connected with sofa cushion (11) on sofa base (1), and sofa cushion (11) rotate and are connected with leg pad (111), and leg pad (111) can butt in sofa base (1) one side, its characterized in that: the sofa base (1) is provided with an empty groove (12), one side, close to the sofa base (1), of the leg pad (111) is fixedly connected with a supporting plate (1111), a first connecting rod (21) is rotatably connected inside the sofa base (1) corresponding to the empty groove (12), one end, far away from the sofa base (1), of the first connecting rod (21) is fixedly connected with a hinged shaft (211), a second connecting rod (22) and a push rod (2) are rotatably connected onto the hinged shaft (211), and the second connecting rod (22) is rotatably connected to one end of the supporting plate (1111); a first spring (23) is fixedly connected to one end of the sofa base (1) corresponding to the inner part of the empty groove (12) and far away from the supporting plate (1111), the first spring (23) is fixedly connected to the push rod (2), and the first spring (23) provides force to the push rod (2) towards the direction of the supporting plate (1111); the sofa seat is characterized in that an inserting groove (14) is formed in the position, corresponding to the push rod (2), of the sofa seat (1), the inserting groove (14) is communicated with a hollow groove (12), a blocking rod (4) is connected in the inserting groove (14) in a sliding mode, a blocking groove (26) is formed in the position, corresponding to the blocking rod (4), of the push rod (2), the blocking rod (4) can be inserted into the blocking groove (26), and when the blocking rod (4) is inserted into the blocking groove (26), the supporting plate (1111) is in a vertical state.

2. The sofa with the state switching function according to claim 1, wherein: one end of the support rod, which is far away from the second connecting rod (22), is rotatably connected with a fourth connecting rod (32), the position of the support rod, which corresponds to the inner part of the empty groove (12), is rotatably connected with a third connecting rod (31), one end of the third connecting rod (31), which is far away from the sofa base (1), is fixedly connected with a rotating shaft (311), the fourth connecting rod (32) is rotatably connected with the rotating shaft (311), the rotating shaft (311) is rotatably connected with an auxiliary rod (3), the position of the sofa base (1), which corresponds to the auxiliary rod (3), is fixedly connected with a second spring (33), the second spring (33) is fixedly connected with the auxiliary rod (3), the second spring (33) provides force for the auxiliary rod (3) towards the direction of the support plate (1111), the auxiliary rod (3) is parallel to the push rod (2), the auxiliary rod (3) is fixedly connected with a connecting rod (25), the connecting rod (25) is, one end of the connecting rod (25) far away from the auxiliary rod (3) is fixedly connected to the push rod (2).

3. The sofa with the state switching function according to claim 1, wherein: one end of the stop lever (4) close to the push rod (2) is fixedly connected with an elastic clamping block (41) which is arranged in an oval shape, and the long axis of the clamping block (41) is arranged along the length direction of the stop lever (4); the position of the blocking groove (26) corresponding to the clamping block (41) is provided with a clamping groove (261) matched with the clamping block (41), and the clamping block (41) can be clamped in the clamping groove (261).

4. The sofa with the state switching function according to claim 1, wherein: the assistant spring (42) is fixedly connected to the blocking rod (4), the assistant spring (42) is fixedly connected to the sofa base (1), and the blocking rod (4) can be inserted into the blocking groove (26) in the natural state of the assistant spring (42).

5. The sofa with the state switching function according to claim 2, wherein: push rod (2) and auxiliary rod (3) are close to equal fixedly connected with slide bar (27) in sofa base (1) one side, correspond slide bar (27) position department in sofa base (1) and have seted up arc wall (13), and arc wall (13) set up along the trajectory of motion of push rod (2), and slide bar (27) sliding connection is in arc wall (13).

6. The sofa with the state switching function according to claim 2, wherein: keep away from backup pad (1111) one end equal fixedly connected with at push rod (2) and auxiliary rod (3) and have elastic lug (24), correspond first spring (23) and second spring (33) position department in sofa base (1) and all offer recess (15), lug (24) can the joint with in recess (15).

7. The sofa with the state switching function according to claim 1, wherein: the blocking rod (4) extends out of the sofa base (1), a handle (43) is fixedly connected to one end, extending out of the sofa base (1), of the blocking rod (4), and the longitudinal sectional area of the handle (43) is larger than that of the insertion groove (14).

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