CN211021746U - Multipurpose back rest chair - Google Patents

Abstract

The utility model provides a multipurpose back rest chair, which comprises a seat board, a backup board, a foot board, an arc rocker and a connecting piece, wherein a supporting cross rod is arranged between arc remote rods, the supporting cross rod comprises a front cross rod and a rear cross rod, a vertical front rod is arranged at the joint of the front cross rod and the arc rocker, the other end of the supporting diagonal rod is fixedly connected with the arc rocker, a first rotating shaft is respectively connected with the seat board and the foot board, the other end of the seat board is connected with a second rotating shaft, the lower half part of the backup board is rotatably connected with a handrail cross rod which is rotatably connected with a handrail vertical rod, the handrail vertical rod is fixedly connected with the side edge of the foot board, a vertical rear rod is also arranged below one side of the seat board close to the backup board, a first fixing rod is fixedly connected between the bottom ends of the vertical rear rods, fixed diagonal rods are, has the characteristics of various functions, simple structure and high practicability, and is suitable for the technical field of furniture.

Description

Multipurpose back rest chair

Technical Field

The utility model relates to the field of furniture, particularly, relate to a multipurpose back chair.

Background

Along with the rapid development of national economy, the living standard of people is increasingly improved, and the requirements of people on furniture are increasingly strict, in the furniture, a chair is essential for each family, each family has more requirements on the chair, and the chair has the functions of use and rest; however, in the prior art, the chair has a single function or a complex structure, and has various sensors, electromagnetic structures and the like, so that the popularization prospect is not large.

Like the open patent CN204467506U of national publication, this utility model relates to a multifunctional rocking chair, the rocking chair frame is the arc structure, the rocking chair board is installed to rocking chair frame upper end, the switch is installed to rocking chair board side face, rocking chair board surface parcel has the rocking chair pad, install the massager on the rocking chair pad, the handrail is installed to rocking chair frame front end, rocking chair frame rear portion active link has supplementary leg, the slipmat is installed to supplementary leg bottom, power module is installed to rocking chair frame lower extreme, the support column is installed to rocking chair frame both sides lower extreme, the rocker is installed to the support column lower extreme, the rocker is convex structure, the rocker front end is provided with the running-board, the sunshading board is installed to rocking chair frame upper end, surface mounting has solar cell panel on the sunshading board, solar cell panel is connected with power module's. The massager relaxes the waist, the music player is installed to increase the pleasure of people in sitting the rocking chair, the rocking chair cannot be turned backwards under the support of the auxiliary legs, and the rocking chair cushion is provided with multiple layers and is comfortable to sit. However, the technical scheme is still only used for leisure and rest, has single function, and utilizes electrical modules, such as a solar cell panel and a power supply module; the communication transmission module is also needed to transmit signals so as to control leisure functions of a music player and the like, so that the structure is still slightly complicated, the popularization and use prospect is not good, and a lot of resistance can be met, such as cost, economy and the like.

Therefore, in order to overcome the disadvantages of the prior art, it is necessary to provide a multifunctional backrest chair with simple structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multipurpose back chair, it can be directed against among the prior art function singleness, the not enough of structure complicacy, provides a function various, simple structure's multipurpose back chair, is applicable to field of furniture.

The embodiment of the utility model is realized like this:

a multipurpose back rest chair comprises a seat board, a back board, a foot board, arc-shaped rocking bars and connecting pieces, wherein supporting cross rods are arranged between the arc-shaped remote rods, each supporting cross rod comprises a front cross rod and a rear cross rod, a vertical front rod is arranged at the joint of the front cross rod and the arc-shaped rocking bar, the upper end of each vertical front rod is fixedly connected with the port of a first rotating shaft, the port of the first rotating shaft is also fixedly provided with a supporting oblique rod, the other end of each supporting oblique rod is fixedly connected with the arc-shaped rocking bar, the first rotating shaft is respectively connected with the seat board and the foot board, the other end of the seat board is connected with a second rotating shaft, the second rotating shaft is also connected with the back board, the lower half part of the back board is rotatably connected with a handrail cross rod, the handrail cross rod is rotatably connected with a handrail vertical rod, the handrail vertical rod is fixedly connected with the side edge of the foot board, the lower part of, the other end of the fixed diagonal rod is fixedly arranged at the bottom end, close to one side of the foot plate, of the seat plate, the two ends of the arc-shaped rocker are provided with connectors, the connectors are provided with connecting pieces in a penetrating mode, the connecting pieces comprise arc-shaped sections and pulleys, and the pulleys are fixedly arranged at one ends of the arc-shaped sections. When the chair is in a chair shape, the arc rocker is fixedly connected with the supporting cross rod, the vertical front rod and the supporting diagonal rod to form a supporting base frame of the whole utility model, and the supporting base frame of the chair plate is formed by the vertical rear rod, the first fixing rod and the fixing diagonal rod which are arranged at the lower side of the chair plate; the utility model has various forms, when the connecting piece is fixedly connected with the connecting port along the direction of the arc rocker, the whole utility model is a backrest rocking chair which can be seated for rest, rocking, relaxation and leisure, and can be used in home, balcony, garden and the like; when the connecting piece is perpendicular to the ground and the pulley is supported below the connecting piece and the arc rocker, the whole utility model becomes a backrest chair capable of moving freely, which can be used at home or outdoors under the condition of a better road surface and is particularly suitable for people with inconvenient legs and feet; when the connecting piece is connected with the arc rocker in a way that the connecting piece is vertical to the ground, the pulley is arranged above the arc rocker, and the arc section is supported below the pulley, the whole utility model becomes a common chair at home, and is suitable for occasions needing to fix the chair at home; when the backrest is leaned to the greatest extent and lies flat, the backrest and the seat board form a plane, the handrail cross rod and the handrail vertical rod rotate and limit to the maximum distance, the foot board is parallel to the seat board to form a plane, and the backup board, the seat board and the foot board form a plane to form a simple bed which can be used for meeting the needs at home and solving the urgent need of brow; when with bedplate and fixed connection's support frame, use first pivot as the axle center, after clockwise rotation 180, the sole leans on the support horizontal pole, the backup plate utilizes handrail horizontal pole and handrail montant to connect, form a fixed connection, the backup plate is as a backup pad, the back of bedplate is as the ladder board, the support frame of bedplate forms the ladder in addition, whole device becomes a domestic simple and easy ladder, and is very convenient, can utilize this simple and easy ladder can conveniently clear up the wardrobe, repairs the eave, prunes the branch, lamps and lanterns maintain the applicable aspect of etc.. The whole utility model discloses the function is various, very does benefit to the family and uses.

The utility model discloses an in some embodiments, the port department of above-mentioned first pivot still the activity is provided with the connecting rod, and the other end and the handrail horizontal pole of connecting rod are connected. The connecting rod can be used for fixing the connecting angle of the backup plate, the seat plate and the foot plate. Because the handrail cross rod and the handrail vertical rod are utilized, the angle of the backup plate and the angle of the foot plate are controlled and fixed by utilizing the connection of the connecting rod and the handrail cross rod, and the backup plate and the foot plate are changed uniformly no matter the backup plate and the foot plate are inclined forwards or inclined backwards.

In some embodiments of the present invention, the bottom side of the handrail cross rod is further provided with a plurality of fixing holes, and the connecting rod is connected with the fixing holes of the handrail cross rod. Utilize the difference of fixed orifices, be connected when connecting rod and different fixed orificess, can adjust backup plate and sole, utilize being connected of the different fixed orificess of connecting rod and handrail horizontal pole, control and fix the angle of backup plate and sole.

In some embodiments of the present invention, the middle portions of the vertical rear rod and the fixed diagonal rod are provided with a second fixing rod 19, and the second fixing rod is parallel to the first fixing rod. Set up the second dead lever and both can strengthen the connection steadiness between the pole after erecting, can also be when being simple and easy ladder, can carry out the ladder of climbing as simple and easy ladder.

In some embodiments of the present invention, the arc degree of the arc-shaped rocking bar is 30-50 degrees. Through a large amount of life experiences and actual operation, it is relatively suitable that the radian of the arc-shaped rocker is 30-50 degrees, so that the rocking leisure performance is achieved, the rocking angle is too high, the rocking is easy to turn on one's side, and people are prevented from being injured.

In some embodiments of the present invention, the arc-shaped rocker is consistent with the arc of the arc-shaped section of the connecting member. When the backrest rocking chair of the utility model is in a shape, the radian is consistent without influence, and the rocking smoothness is more obvious when the rocking angle reaches near the maximum limit.

In some embodiments of the present invention, the middle of the supporting diagonal rod is provided with a fixed cross rod. The effect that sets up fixed horizontal pole is the stability that improves the support bed frame, can support and handle more circumstances, improves indirectly the utility model discloses a practicality.

In some embodiments of the present invention, the handrail vertical bar is fixedly connected to the side of the foot plate in parallel. The handrail vertical rod and the foot plate are arranged in the same plane, so that the handrail vertical rod and the foot plate are ensured to rotate simultaneously when the handrail vertical rod and the handrail cross rod rotate, and the backup plate of the handrail cross rod and the foot plate are ensured to change simultaneously and keep consistent.

In some embodiments of the present invention, the lower edge of the foot plate is provided with a pedal, and the pedal and the foot plate form an angle of 70-100 °. The utility model discloses the effect that sets up the footboard just can be when the people is sitting, can put the foot and take a rest, and the setting of angle here 70-100 also obtains reasonable scope in a large amount of actual experiments, can reach the rest that better bears the foot, also be as for let the foot landing.

In some embodiments of the present invention, the pulley is a universal wheel. Become the universal wheel with the pulley setting, can conveniently work as the utility model discloses when becoming slidable chair, conveniently at home or outdoor convenient removal, specially adapted leg and foot are inconvenient crowd.

The embodiment of the utility model provides an at least, have following advantage or beneficial effect:

the effect is one, and the function is various. The utility model forms a supporting base frame of the whole utility model by arranging the arc rocker and the supporting cross rod, the vertical front rod and the supporting diagonal rod which are fixedly connected with each other, and forms a supporting frame of the seat plate by the vertical rear rod, the first fixing rod and the fixing diagonal rod which are arranged at the lower side of the seat plate, and the supporting frame of the seat plate is fixedly connected with each other, and is clamped and fixed with the supporting base frame when the chair is in a shape by utilizing the supporting frame of the seat plate to form a stable supporting structure; the utility model has various forms, when the connecting piece is fixedly connected with the connecting port along the direction of the arc rocker, the whole utility model is a backrest rocking chair which can be seated for rest, rocking, relaxation and leisure, and can be used in home, balcony, garden and the like; when the connecting piece is perpendicular to the ground and the pulley is supported below the connecting piece and the arc rocker, the whole utility model becomes a backrest chair capable of moving freely, which can be used at home or outdoors under the condition of a better road surface and is particularly suitable for people with inconvenient legs and feet; when the connecting piece is connected with the arc rocker in a way that the connecting piece is vertical to the ground, the pulley is arranged above the arc rocker, and the arc section is supported below the pulley, the whole utility model becomes a common chair at home, and is suitable for occasions needing to fix the chair at home; when the backrest is leaned to the greatest extent and lies flat, the backrest and the seat board form a plane, the handrail cross rod and the handrail vertical rod rotate and limit to the maximum distance, the foot board is parallel to the seat board to form a plane, and the backup board, the seat board and the foot board form a plane to form a simple bed which can be used for meeting the needs at home and solving the urgent need of brow; when with bedplate and fixed connection's support frame, use first pivot as the axle center, after clockwise rotation 180, the sole leans on the support horizontal pole, the backup plate utilizes handrail horizontal pole and handrail montant to connect, form a fixed connection, the backup plate is as a backup pad, the back of bedplate is as the ladder board, the support frame of bedplate forms the ladder in addition, whole device becomes a domestic simple and easy ladder, and is very convenient, can utilize this simple and easy ladder can conveniently clear up the wardrobe, repairs the eave, prunes the branch, lamps and lanterns maintain the applicable aspect of etc.. The utility model discloses the function is various, very does benefit to the family and uses, both can do the back rocking chair, also can do the smooth chair of back, also can do ordinary arm-chair, can also regard as simple and easy ladder, simple and easy bed etc. the function is various, accomodates the convenience, very is suitable for the family.

And the effect is two, and the structure is simple. The chair comprises a seat plate, a backup plate, a foot plate, arc-shaped rocking bars and connecting pieces, wherein supporting cross bars are arranged among the arc-shaped remote rods and comprise front cross bars and rear cross bars, vertical front bars are arranged at the joints of the front cross bars and the arc-shaped rocking bars, and other simple structures are common mechanical components in the market, are also common in the market, are mature in technology and are low in price; in addition, complex mechanical structures, electrical equipment and components are not used, the structure is simple, the principle is popular and easy to understand, the technical personnel in the field can easily understand and implement, the popularization prospect is achieved, and the furniture is suitable for being developed in the furniture field. Therefore, the utility model has the characteristics of simple structure reforms transform with low costsly, economical and practical.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;

fig. 2 is a schematic view of the overall structure of embodiment 2 of the present invention;

fig. 3 is a schematic view of the overall structure of embodiment 3 of the present invention;

fig. 4 is a schematic structural view of a simple bed according to embodiment 3 of the present invention;

fig. 5 is a schematic structural view of a simple ladder according to embodiment 3 of the present invention.

Icon: 1-seat board, 2-back board, 3-foot board, 4-arc rocker, 5-connecting piece, 6-supporting cross bar, 7-vertical front bar, 8-first rotating shaft, 9-supporting diagonal bar, 10-second rotating shaft, 11-handrail cross bar, 12-handrail vertical bar, 13-vertical rear bar, 14-first fixing bar, 15-fixing diagonal bar, 16-connecting port, 17-connecting bar, 18-fixing hole, 19-second fixing bar, 20-fixing cross bar, 21-pedal, 51-arc section, 52-pulley, 61-front cross bar and 62-rear cross bar.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and therefore, the present invention should not be construed as being limited thereto. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

Referring to fig. 1-5, as shown in fig. 1-5, a multi-purpose back rest chair is provided for this embodiment, which includes a seat plate 1, a back rest plate 2, a foot plate 3, arc-shaped rocking bars 4 and a connecting member 5, wherein a supporting cross bar 6 is disposed between the arc-shaped remote rods 4, the supporting cross bar 6 includes a front cross bar 61 and a rear cross bar 62, a vertical front bar 7 is disposed at a connection position of the front cross bar 61 and the arc-shaped rocking bar 4, an upper end of the vertical front bar 7 is fixedly connected with a port of a first rotating shaft 8, a supporting diagonal bar 9 is further fixedly disposed at a port of the first rotating shaft 8, the other end of the supporting diagonal bar 9 is fixedly connected with the arc-shaped rocking bar 4, the first rotating shaft 8 is respectively connected with the seat plate 1 and the foot plate 3, the other end of the seat plate 1 is connected with a second rotating shaft 10, the second rotating shaft 10 is further, side fixed connection of handrail montant 12 and sole 3, one side below that bedplate 1 is close to backup plate 2 still is provided with perpendicular back pole 13, the first dead lever 14 of fixedly connected with between the 13 bottom of perpendicular back pole, the both ends of first dead lever 14 are still fixed and are provided with fixed down tube 15, the other end of fixed down tube 15 is fixed to be set up in bedplate 1 near the bottom of sole one side, the both ends of arc rocker 4 are provided with connector 16, connector 16 runs through and is provided with connecting piece 5, connecting piece 5 includes segmental arc 51 and pulley 52, the pulley is fixed to be set up in segmental arc 51 one end. When the chair is specifically implemented, the arc rocker 4, the supporting cross rod 6, the vertical front rod 7 and the supporting diagonal rod 9 are fixedly connected with each other to form a supporting base frame of the whole utility model, and then the vertical rear rod 13, the first fixing rod 14 and the fixing diagonal rod 15 which are arranged at the lower side of the seat plate 1 form a supporting frame of the seat plate 1, the supporting frames of the seat plate 1 are fixedly connected with each other, and the supporting frame of the seat plate 1 is clamped and fixed with the supporting base frame when in a chair shape to form a stable supporting structure; the utility model discloses possess multiple form, wherein, when connecting piece 5 along arc rocker 4's direction and connector 16 fixed connection, at this moment, whole utility model is exactly a back rocking chair, can sit down to have a rest and rock and relax, can be used to the family, balcony, garden etc..

In one embodiment of the present invention, a connection rod 17 is further movably disposed at a port of the first rotation shaft 8, and the other end of the connection rod 17 is connected to the armrest crossbar 11. The connecting rod 17 can be used for fixing the connecting angle of the backup plate 2, the seat plate 1 and the foot plate 3. Because the armrest transverse rod 11 and the armrest vertical rod 12 are utilized, the angle of the backrest plate 2 and the angle of the foot plate 3 are controlled and fixed by utilizing the connection of the connecting rod 17 and the armrest transverse rod 11, and the backrest plate 2 and the foot plate 3 are changed uniformly regardless of whether the armrest plate 2 and the foot plate 3 are inclined forwards or backwards.

In one embodiment of this embodiment, the handrail cross bar 11 is further provided with a plurality of fixing holes 18 at the bottom side, and the connecting rod 17 is connected with the fixing holes 18 of the handrail cross bar 11. Utilize the difference of fixed orifices 18, be connected with different fixed orifices 18 when connecting rod 17, can adjust backup plate 2 and sole 3, utilize being connected of connecting rod 17 and handrail horizontal pole 11's different fixed orifices 18, control and fix the angle of backup plate 2 and sole 3.

In one embodiment of the present invention, the rear vertical rod 13 and the fixed diagonal rod 15 are provided with a second fixed rod 19 at the middle portion, and the second fixed rod 19 is parallel to the first fixed rod 14. The second fixing rod 19 is provided to enhance the stability of the connection between the vertical rear rods 13 and to allow the ladder to be used as a simple ladder for climbing.

In one embodiment of the present invention, the arc of the arc-shaped rocker 4 is 30-50 degrees. Through a large amount of life experiences and actual operation, it is relatively suitable that the radian of the arc-shaped rocker 4 is 30-50 degrees, so that the rocking leisure performance is achieved, the rocking angle is too high, the rocking is easy to turn on one side, and people are prevented from being injured. The actual arc of the arc rocker 4 of this embodiment is 40 degrees.

In one embodiment of the present embodiment, the arc-shaped rocker 4 and the arc-shaped segment 51 of the connecting piece 5 are in accordance with the arc. When the backrest rocking chair of the utility model is in the shape of a rocking chair, the radian is consistent, so that the smoothness of rocking is not affected, and the rocking chair is more obvious especially when the rocking angle reaches near the maximum limit.

In one embodiment of this embodiment, the middle of the supporting diagonal member 9 is provided with a fixed cross bar 20. The effect that sets up fixed horizontal pole 20 is the stability that improves the support bed frame, can support and handle more circumstances, improves indirectly the utility model discloses a practicality.

In one embodiment of this embodiment, the handrail vertical bar 12 is fixedly connected in parallel with the side edge of the foot plate 3. The handrail montant 12 is the coplanar with the sole 3 with the setting like this of sole 3, when handrail montant 12 took place to rotate with handrail horizontal pole 11, drives sole 3 and rotates simultaneously to guarantee that the backup plate 2 of handrail horizontal pole 11 changes with sole 3 simultaneously, keeps unanimous.

In one embodiment of the present invention, the lower end of the foot board 3 is provided with a pedal 21, and the pedal 21 forms an angle of 70 ° to 100 ° with the foot board 3. The utility model discloses the effect that sets up footboard 21 can be when the people is sitting, can put the foot and take a rest, and the setting of angle here 70-100 also obtains reasonable scope in a large amount of actual experiments, can reach the rest that can better bear the foot, also be as for let the foot landing, and the actual angle of this embodiment adopts 90.

In some embodiments of the present invention, the pulley 52 is a universal wheel. Set pulley 52 into the universal wheel, can conveniently work as the utility model discloses when becoming slidable chair, conveniently at home or outdoor convenient removal, the inconvenient crowd of specially adapted leg and foot.

Example 2

This embodiment is the same with embodiment 1 structure and technical scheme, and the difference technical characteristics lie in, is different with the connected mode of connecting piece 5 with connector 16, and when the connected mode of connecting piece 5 and arc rocker 4 was connecting piece perpendicular to ground, and pulley 52 supported under, whole utility model became a back chair that can freely remove, can use under the better road surface condition at home or outdoors, is particularly suitable for the inconvenient crowd of some legs and feet.

Example 3

The structure and the technical scheme of the embodiment are the same as those of the embodiment 1, and the difference technical characteristics are that the connecting way of the connecting piece 5 and the connecting way of the connecting piece 16 are different, when the connecting way of the connecting piece 5 and the arc-shaped rocker 4 is that the connecting piece is perpendicular to the ground, the pulley 52 is arranged above, and the arc-shaped section 51 is supported below, the whole utility model becomes a common chair at home, and is suitable for occasions needing to fix the chair at home.

When the backrest is leaned on as far as possible and lies flat, the backrest and the seat board 1 form a plane, the armrest transverse rod 11 and the armrest vertical rod 12 rotate to limit to the maximum distance, the foot board 3 is parallel to the seat board 1 to form a plane, and at the moment, the backrest board 2, the seat board 1 and the foot board 3 form a plane to form a simple bed which can be used for solving the urgent need of the brow when being at home.

When the support frame with bedplate 1 and fixed connection, use first pivot 8 as the axle center, after clockwise rotation 180, sole 3 leans on and supports horizontal pole 6, backup plate 2 utilizes handrail horizontal pole 11 and handrail montant 12 to connect, form a fixed connection, backup plate 2 is as a backup pad, bedplate 1's back is as the ladder board, bedplate 1's support frame forms the ladder in addition, whole device becomes a domestic simple and easy ladder, it is very convenient, can utilize this simple and easy ladder can conveniently clear up the wardrobe, repair the eave, prune the branch, the applicable aspect such as lamps and lanterns maintenance. The whole utility model discloses the function is various, very does benefit to the family and uses.

The utility model discloses a principle is implemented in the work: firstly, the utility model forms the supporting base frame of the whole utility model by fixedly connecting the arc rocker, the supporting cross rod, the vertical front rod and the supporting diagonal rod, and the supporting base frame is not changed and is always stable; then a vertical rear rod, a first fixed rod and a fixed inclined rod which are arranged at the lower side of the seat plate are in a triangular stable shape to form a support frame of the seat plate; in the schematic drawing, the supporting diagonal rods and the fixed diagonal rods are basically coincided due to the practical design condition of the utility model, the second fixed rods and the fixed cross rods are coincided, which can be clearly seen in fig. 5, and the supporting frames of the seat plate are fixedly connected with each other, and the supporting frames of the seat plate are clamped and fixed with the supporting base frame when in chair shape (including backrest rocking chair shape, pulley chair shape and common backrest chair shape) and when in simple bed to form a stable supporting structure; when the connecting piece is fixedly connected with the connecting port along the direction of the arc rocker, the whole utility model is a backrest rocking chair, can be used for sitting down, having a rest, rocking, relaxing and relaxing, and can be used in families, balconies, gardens and the like; when the connecting piece is perpendicular to the ground and the pulley is supported below the connecting piece and the arc rocker, the whole utility model becomes a backrest chair capable of moving freely, which can be used at home or outdoors under the condition of a better road surface and is particularly suitable for people with inconvenient legs and feet; when the connecting piece is connected with the arc rocker in a way that the connecting piece is vertical to the ground, the pulley is arranged above the arc rocker, and the arc section is supported below the pulley, the whole utility model becomes a common chair at home, and is suitable for occasions needing to fix the chair at home; when the backrest is leaned to the greatest extent and lies flat, the backrest and the seat board form a plane, the armrest transverse rods and the armrest vertical rods rotate and limit to the maximum distance, the foot boards are parallel to the seat board to form a plane, and the backup plate, the seat board and the foot boards form a plane to form a simple bed which can be used for meeting the needs at home and solving the urgent need of brow; when the support frame with bedplate and rather than fixed connection, use first pivot as the axle center, after clockwise rotation 180, the sole leans on the support horizontal pole to support, the backup plate utilizes handrail horizontal pole and handrail montant to be connected, form a fixed connection with the bedplate, the backup plate is this moment as a backup pad, the back of bedplate is as the ladder board, the support frame of bedplate forms the ladder in addition, whole device becomes a domestic simple and easy ladder, and is very convenient, can utilize this simple and easy ladder can conveniently clear up the wardrobe, repair the eaves, prune the branch, the guardrail is maintained, lamps and lanterns are maintained etc. and are suitable for the aspect, can satisfy the multiple demand of a family.

In summary, the utility model forms a supporting base frame of the whole utility model by arranging the arc rocker and the supporting cross rod, the vertical front rod and the supporting diagonal rod which are fixedly connected with each other, and forms a supporting frame of the seat plate by the vertical rear rod, the first fixing rod and the fixing diagonal rod which are arranged at the lower side of the seat plate, and the supporting frames of the seat plate are fixedly connected with each other, and are clamped and fixed with the supporting base frame when the chair is in a shape by utilizing the supporting frame of the seat plate, so that a stable supporting structure is formed; the utility model has various forms, when the connecting piece is fixedly connected with the connecting port along the direction of the arc rocker, the whole utility model is a backrest rocking chair which can be seated for rest, rocking, relaxation and leisure, and can be used in home, balcony, garden and the like; when the connecting piece is perpendicular to the ground and the pulley is supported below the connecting piece and the arc rocker, the whole utility model becomes a backrest chair capable of moving freely, which can be used at home or outdoors under the condition of a better road surface and is particularly suitable for people with inconvenient legs and feet; when the connecting piece is connected with the arc rocker in a way that the connecting piece is vertical to the ground, the pulley is arranged above the arc rocker, and the arc section is supported below the pulley, the whole utility model becomes a common chair at home, and is suitable for occasions needing to fix the chair at home; when the backrest is leaned to the greatest extent and lies flat, the backrest and the seat board form a plane, the handrail cross rod and the handrail vertical rod rotate and limit to the maximum distance, the foot board is parallel to the seat board to form a plane, and the backup board, the seat board and the foot board form a plane to form a simple bed which can be used for meeting the needs at home and solving the urgent need of brow; when with bedplate and fixed connection's support frame, use first pivot as the axle center, after clockwise rotation 180, the sole leans on the support horizontal pole, the backup plate utilizes handrail horizontal pole and handrail montant to connect, form a fixed connection, the backup plate is as a backup pad, the back of bedplate is as the ladder board, the support frame of bedplate forms the ladder in addition, whole device becomes a domestic simple and easy ladder, and is very convenient, can utilize this simple and easy ladder can conveniently clear up the wardrobe, repairs the eave, prunes the branch, lamps and lanterns maintain the applicable aspect of etc.. The whole utility model has various functions and is very beneficial to family use; in conclusion, the multifunctional rocking chair can be used as a rocking chair with a backrest, a sliding chair with a backrest, a common arm-chair, a simple ladder, a simple bed and the like, has various functions, is convenient to store, and is very suitable for families. The utility model is only provided with a supporting cross rod between the arc remote rods through the seat plate, the backup plate, the foot plate, the arc rocker and the connecting piece, the supporting cross rod comprises a front cross rod and a rear cross rod, the junction of the front cross rod and the arc rocker is provided with a vertical front rod, and other simple structures are common mechanical components in the market, are common in the market, have mature technology and low price; in addition, complex mechanical structures, electrical equipment and components are not used, the structure is simple, the principle is popular and easy to understand, the technical personnel in the field can easily understand and implement, the popularization prospect is achieved, and the furniture is suitable for being developed in the furniture field. Therefore, the utility model has the characteristics of simple structure reforms transform with low costsly, economical and practical.

To sum up, the utility model relates to a function is diversified, simple structure, and low cost is applicable to the multi-functional back chair that the family used very much, is fit for promoting and using in furniture technical field.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A multipurpose back chair is characterized by comprising a seat board, a back board, a foot board, arc-shaped rocking bars and connecting pieces, wherein a supporting cross bar is arranged between the arc-shaped remote rods and comprises a front cross bar and a rear cross bar, a vertical front bar is arranged at the joint of the front cross bar and the arc-shaped rocking bars, the upper end of the vertical front bar is fixedly connected with the port of a first rotating shaft, a supporting oblique bar is further fixedly arranged at the port of the first rotating shaft, the other end of the supporting oblique bar is fixedly connected with the arc-shaped rocking bars, the first rotating shaft is respectively connected with the seat board and the foot board, the other end of the seat board is connected with a second rotating shaft, the back board is further connected onto the second rotating shaft, the lower half part of the back board is rotatably connected with a handrail cross bar, the handrail cross bar is rotatably connected with a handrail vertical bar, the handrail vertical bar is fixedly connected with the side edge of, the utility model discloses a chair, including bedplate, first dead lever, fixed down tube, connecting piece, pulley, fixed setting in arc section one end, the first dead lever of fixedly connected with between the perpendicular back pole bottom, the fixed down tube that is provided with in both ends of first dead lever, the other end of fixed down tube is fixed to be set up in the bedplate near the bottom of sole one side, the both ends of arc rocker are provided with the connector, the connector runs through and is provided with the connecting piece, the connecting piece includes arc.

2. The multipurpose back rest chair according to claim 1, wherein a connecting rod is movably arranged at a port of the first rotating shaft, and the other end of the connecting rod is connected with the armrest cross rod.

3. The multipurpose back rest chair according to claim 2, wherein the bottom side of the armrest transverse rod is further provided with a plurality of fixing holes, and the connecting rod is connected with the fixing holes of the armrest transverse rod.

4. The multipurpose back rest chair according to claim 1, wherein a second fixing rod is provided in the middle of the vertical rear rod and the fixing diagonal rod, and the second fixing rod is parallel to the first fixing rod.

5. The multipurpose back rest chair of claim 1, wherein the arc of the arc-shaped rocking bar is 30-50 degrees.

6. The multipurpose back chair of claim 5, wherein the arc-shaped rocker corresponds to the arc of the arc segment of the connecting member.

7. The multipurpose back rest chair according to claim 1, wherein a fixed cross bar is provided at the middle of the supporting diagonal bar.

8. The multipurpose back rest chair according to claim 1, wherein the vertical bars of the armrests are fixedly connected with the side edges of the foot plates in parallel.

9. The multipurpose back rest chair according to claim 1, wherein the lower end of the foot plate is provided with a pedal, and the pedal and the foot plate form an angle of 70-100 °.

10. The multipurpose back chair of any one of claims 1-9, wherein the pulley is a universal wheel.

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