CN116746772A

CN116746772A - Multifunctional chair

Info

Publication number: CN116746772A
Application number: CN202210101699.5A
Authority: CN
Inventors: 廖永荣
Original assignee: Jiangsu Yuju Education Equipment Co ltd
Current assignee: Jiangsu Yuju Education Equipment Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2023-09-15

Abstract

The application discloses a multifunctional seat, which comprises a supporting mechanism; the chair seat is arranged on the supporting mechanism; the chair back is rotatably arranged on the chair seat; the limiting mechanism comprises a handrail and a limiting rod, two ends of the handrail are respectively rotatably arranged on the chair back and the limiting rod, and one end of the limiting rod, which is far away from the handrail, is movably arranged on the supporting mechanism; the multifunctional chair is in a sitting state and a lying state, a first included angle is formed between the chair back and the chair seat in the sitting state, a second included angle is formed between the chair back and the chair seat in the lying state, and the second included angle is larger than the first included angle; in the sitting posture state and the lying posture state, the angle between the chair back and the chair seat is limited by virtue of the cooperation between the limiting rod and the supporting mechanism. The multifunctional seat has a sitting posture state and a lying posture state, and a user can change the posture of the multifunctional seat according to the use requirement so as to meet different use requirements of the user.

Description

Multifunctional chair

Technical Field

The application relates to the field of seats, and further relates to a multifunctional seat.

Background

The seat is a common household facility in life and work of people and is indispensable in life and work of people.

Different postures are provided in the office and resting processes of people, and the requirements on the postures of the seats are different, but the conventional seats are single in general structure and function, and generally only have one state, such as a state in which a user can sit up or a state in which the user can lie down, and cannot meet the use requirements of the user.

In view of the foregoing, there is a need for improvements to existing seats.

Disclosure of Invention

In view of the above technical problems, an object of the present application is to provide a multifunctional seat, which has a sitting posture state and a lying posture state, and a user can change the posture of the multifunctional seat according to the use requirement, so as to meet different use requirements of the user.

In order to achieve the above object, the present application provides a multifunctional seat comprising:

a support mechanism;

the chair seat is arranged on the supporting mechanism;

the chair back is rotatably arranged on the chair seat;

the limiting mechanism comprises a handrail and a limiting rod, two ends of the handrail are respectively rotatably arranged on the chair back and the limiting rod, and one end, away from the handrail, of the limiting rod is movably arranged on the supporting mechanism;

the multifunctional seat is provided with a sitting posture state and a lying posture state, a first included angle is formed between the seat back and the seat base in the sitting posture state, a second included angle is formed between the seat back and the seat base in the lying posture state, and the second included angle is larger than the first included angle; and in the sitting posture state and the lying posture state, limiting the angle between the chair back and the chair seat by virtue of the cooperation between the limiting rod and the supporting mechanism.

In some preferred embodiments of the present application, in the sitting position, a first distance is provided between an end of the armrest connected to the stop lever and the seat; in the lying state, a second distance is reserved between one end of the handrail connected with the limiting rod and the seat, and the second distance is larger than the first distance.

In some preferred embodiments of the present application, the supporting mechanism is provided with a chute, and the limit lever is slidably mounted on the chute.

In some preferred embodiments of the present application, the limit lever includes a base lever and a locking arm movably mounted to the base lever, the locking arm having an unlocked state and a locked state; the side wall of the sliding chute is provided with a first limiting part, and in the locking state, the second limiting part of the locking arm is abutted against the first limiting part so as to limit the limiting rod in the length extending direction of the sliding chute; in the unlocking state, the first limiting part is separated from the second limiting part.

In some preferred embodiments of the present application, an end of the base rod connected to the armrest is provided with a receiving groove, and a side wall is provided with an opening communicating with the receiving groove, the locking arm is mounted in the receiving groove, and in the locking state, the second limiting portion of the locking arm abuts against the first limiting portion through the opening.

In some preferred embodiments of the present application, the multifunctional seat further includes a switch arm rotatably mounted on the base rod and connected to one end of the armrest, one end of the locking arm is rotatably mounted on the sliding slot, the other end of the locking arm abuts against the switch arm, and rotating the switch arm can drive the locking arm to rotate, so as to control the locking arm to switch between the unlocked state and the locked state.

In some preferred embodiments of the present application, the limiting rod further includes a first limiting block installed at an end of the base rod far away from the armrest, a second limiting block is disposed at an end of the sliding chute near to the armrest, and in the lying state, the first limiting block abuts against the second limiting block to limit the limiting rod.

In some preferred embodiments of the present application, the surfaces of the first limiting block and the second limiting block abutting against each other are arc-shaped surfaces, and the width of the chute near one end of the armrest is larger than the width of the base rod, so as to allow the base rod to deviate in the chute relative to the chute during the posture adjustment process.

In some preferred embodiments of the application, the multi-function chair further comprises a legrest mechanism comprising a legrest support movably mounted to the seat, the legrest mechanism having a deployed state in which the legrest support is adapted to move to a side of the seat remote from the back of the chair and a stowed state; in the stowed condition, the leg rest support is stowed beneath the seat.

In some preferred embodiments of the present application, the leg rest mechanism further comprises a first link and a second link, the top end of the first link is rotatably connected to a first rotating portion of the seat, the bottom end of the first link is rotatably connected to a second rotating portion of the leg support, the top end of the second link is rotatably connected to a third rotating portion of the seat, the bottom end of the second link is rotatably connected to a fourth rotating portion of the leg rest support, the first rotating portion and the third rotating portion are disposed at a distance from each other, the fourth rotating portion abuts the seat in the sitting position, and operating the leg rest support controls the fourth rotating portion to move away from the seat and controls the first link and the second link to rotate to control the leg rest support to switch between the deployed state and the stowed state.

Compared with the prior art, the multifunctional seat provided by the application has at least one of the following beneficial effects:

1. according to the multifunctional seat provided by the application, the multifunctional seat has a sitting posture state and a lying posture state, and a user can change the posture of the multifunctional seat according to the use requirement so as to meet different use requirements of the user;

2. compared with the multifunctional seat in the sitting posture state, the multifunctional seat provided by the application has the advantages that the armrests are lifted upwards by a certain height when the multifunctional seat is in the lying posture state, so that a better blocking effect can be achieved when a user lies down, and the safety in the use process is improved;

3. according to the multifunctional seat provided by the application, the sliding grooves for the limiting rods to move are formed in the supporting mechanism, so that the stability of the limiting rods in the moving process relative to the supporting mechanism can be improved, and the interference of the outside on the limiting rods can be reduced;

4. the multifunctional chair provided by the application has the advantages that the angle between the chair seat and the chair back can be adjusted in a multi-gear or stepless adjustment mode.

Drawings

The above features, technical features, advantages and implementation of the present application will be further described in the following description of preferred embodiments with reference to the accompanying drawings in a clear and easily understood manner.

Fig. 1 is a schematic perspective view of a multifunctional seat according to a preferred embodiment of the present application;

FIG. 2 is a schematic view showing a structure of the multifunctional chair according to the preferred embodiment of the present application in a sitting posture;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2 at A;

FIG. 4 is a schematic view of the structure of the multifunctional chair according to the preferred embodiment of the present application in a lying state;

FIG. 5 is a schematic view of a state of the multifunctional seat in the leg rest support deployment process according to the preferred embodiment of the present application;

FIG. 6 is a schematic view of the structure of the multifunctional chair according to the preferred embodiment of the present application in a lying position;

fig. 7 is an enlarged schematic view of the structure at B in fig. 6.

Reference numerals illustrate:

the support mechanism 10, the chute 11, the first stopper 111, the first support leg 12, the second support leg 13, the link 14, the seat 20, the seatback 30, the stopper mechanism 40, the armrest 41, the stopper lever 42, the base lever 421, the accommodating groove 420, the lock arm 422, the second stopper 423, the switch arm 424, the first stopper 431, the second stopper 432, the reclining mechanism 50, the reclining support 51, the first link 52, the second link 53, the first rotating portion 541, the second rotating portion 542, the third rotating portion 543, and the fourth rotating portion 544.

Detailed Description

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following description will explain the specific embodiments of the present application with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the application, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.

For simplicity of the drawing, only the parts relevant to the application are schematically shown in each drawing, and they do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.

It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

In this context, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

In addition, in the description of the present application, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 7, the multifunctional seat provided by the present application includes a support mechanism 10, a seat 20, a backrest 30, and a limiting mechanism 40. The seat 20 is mounted on the supporting mechanism 10; the chair back 30 is rotatably mounted to the chair seat 20; the limit mechanism 40 comprises an armrest 41 and a limit rod 42, two ends of the armrest 41 are rotatably mounted on the chair back 30 and the limit rod 42 respectively, and one end of the limit rod 42 away from the armrest 41 is movably mounted on the support mechanism 10. The multifunctional chair has a sitting posture state and a lying posture state, a first included angle a is formed between the chair back 30 and the chair seat 20 in the sitting posture state, and a second included angle b is formed between the chair back 30 and the chair seat 20 in the lying posture state, and the second included angle b is larger than the first included angle a; in the sitting posture and the lying posture, the angle between the back 30 and the seat 20 is limited by the cooperation between the limiting rod 42 and the supporting mechanism 10.

The multifunctional seat has two states of a sitting posture state and a lying posture state, and a user can change the posture of the multifunctional seat according to use requirements so as to meet different use requirements of the user. It should be further noted that, in the preferred embodiment, the armrest 41, the limiting rod 42 and the supporting mechanism 10 form a limiting mechanism for the chair back 30, so that the structure is simple, and a good limiting effect can be achieved while the chair back 30 is multipurpose.

Referring to fig. 1 and 2, in particular, in the sitting posture state, the armrest 41 is connected to one end of the stopper rod 42 with a first distance h1 from the seat 20; in the lying state, a second distance h2 is provided between the end of the armrest 41 connected to the stop lever 42 and the seat 20, and the second distance h2 is greater than the first distance h1. Compared with the sitting posture state, the multifunctional seat has the advantages that the armrests 41 are lifted upwards by a certain height when the multifunctional seat is in the lying posture state, a better blocking effect can be achieved when a user lies down, and safety in the use process is improved.

Preferably, in the sitting position, the armrests 41, the seat 20, and the back 30 are generally triangular in shape. In the lying position, the armrest 41, the seat 20, the seatback 30, and the stopper rod 42 are substantially enclosed to form a quadrangular shape.

Further, the supporting mechanism 10 is provided with a chute 11, and the limiting rod 42 is slidably mounted in the chute 11, and can drive the limiting rod 42 to stretch out and draw back in the chute 11 when the backrest 30 rotates relative to the seat 20. By providing the sliding groove 11 for the movement of the limiting rod 42 on the supporting mechanism 10, the stability of the limiting rod 42 relative to the supporting mechanism 10 in the movement process can be improved, and the interference of the outside on the limiting rod 42 can be reduced. Preferably, the chute 11 is a chute obliquely opened to the supporting mechanism 10.

Referring to fig. 3, further, the stopper rod 42 includes a base rod 421 and a locking arm 422. The locking arm 422 is movably mounted on the base rod 421, and the locking arm 422 has an unlocked state and a locked state; the side wall of the chute 11 has a first limiting portion 111, and in the locked state, the second limiting portion 423 of the locking arm 422 abuts against the first limiting portion 111 to limit the limiting rod 42 in the length extending direction of the chute 11; in the unlocked state, the first limiting portion 111 is separated from the second limiting portion 423, and the limiting rod 42 is slidable along the longitudinal extending direction of the chute 11.

Preferably, the first limiting portion 111 is a limiting groove formed on an inner wall of the chute 11, the second limiting portion 423 is a limiting protrusion formed on the locking arm 422, and in the locked state, the limiting protrusion is inserted into the limiting groove; in the unlocking state, the limiting protrusion leaves the limiting groove. Alternatively, in some variant embodiments, the second limiting portion 423 is a limiting groove and the first limiting portion 111 is a limiting protrusion. In some variant embodiments, the first limiting portion 111 is formed in a plurality of limiting grooves in the chute 11, and the second limiting portion 423 and the plurality of limiting grooves cooperate with each other to fix the base rod 421 at different positions of the supporting mechanism 10.

Referring to fig. 3, further, the base rod 421 is connected to one end of the armrest 41, and has an accommodating groove 420, and a side wall having an opening communicating with the accommodating groove 420, the locking arm 422 is mounted in the accommodating groove 420, and in the locked state, the second limiting portion 423 of the locking arm 422 abuts against the first limiting portion 111 through the opening. The locking arm 422 is mounted in the receiving groove 420 of the base rod 421, so that the locking arm 422 can be reduced or prevented from contacting the outside, and the stability of the operation of the locking arm 422 can be improved.

The multifunctional seat further comprises a switch arm 424 rotatably mounted on the base rod 421 and connected to one end of the armrest 41, one end of the locking arm 422 is rotatably mounted on the chute 11, the other end of the locking arm 422 abuts against the switch arm 424, and the switch arm 424 is rotated to drive the locking arm 422 to rotate, so that the locking arm 422 is controlled to switch between the unlocking state and the locking state.

Preferably, an elastic member abutting against the locking arm 422 is further provided in the accommodating groove 420, and after the switch arm 424 is released, the locking arm 422 is driven to switch to the locking state by virtue of the elasticity of the elastic member.

Referring to fig. 2, the limiting rod 42 further includes a first limiting block 431 mounted on an end of the base rod 421 away from the armrest 41, a second limiting block 432 is disposed on an end of the chute 11 near the armrest 41, and in the lying state, the first limiting block 431 abuts against the second limiting block 432 to limit the limiting rod 42.

The surfaces of the first stop block 431 and the second stop block 432 abutting against each other are arc surfaces, and the width of the chute 11 near one end of the armrest 41 is greater than the width of the base rod 421, so as to allow the base rod 421 to deviate in the chute 11 relative to the chute 11 during the posture adjustment.

The multi-function chair further comprises a legrest mechanism 50, the legrest mechanism 50 comprising a legrest support 51, the legrest support 51 being movably mounted to the seat 20, the legrest mechanism 50 having a deployed state in which the legrest support 51 is adapted to move to a side of the seat 20 remote from the seatback 30, and a stowed state; in the storage state, the leg rest support 51 is stacked and stored under the seat 20.

Referring to fig. 5, the leg rest mechanism 50 further includes a first link 52 and a second link 53, wherein a top end of the first link 52 is rotatably connected to a first rotating portion 541 of the seat 20, a bottom end of the first link 52 is rotatably connected to a second rotating portion 542 of the leg rest support 51, a top end of the second link 53 is rotatably connected to a third rotating portion 543 of the seat 20, a bottom end of the second link 53 is rotatably connected to a fourth rotating portion 544 of the leg rest support 51, the first rotating portion 541 and the third rotating portion 543 are spaced apart, and in the sitting position, the fourth rotating portion 544 abuts against the seat 20, and operating the leg rest support 51 controls the fourth rotating portion 544 to move in a direction away from the seat 20 and controls the first link 52 and the second link 53 to be able to control the leg rest support 51 to switch between the deployed state and the stowed state.

Referring to fig. 4, in the unfolded state, the first rotating portion 541, the second rotating portion 542, the third rotating portion 543, and the fourth rotating portion 544 are aligned substantially in a straight line, the fourth rotating portion 544 abuts against the seat 20, and when the leg rest support 51 receives a pressure from the user's leg, the fourth rotating portion 544 has a tendency to move upward but is restrained by the seat 20. When the leg rest support 51 needs to be switched from the unfolded state to the storage state, the end, far away from the seat 20, of the leg rest support 51 is moved upwards, the fourth rotating portion 544 is controlled to move in the direction far away from the seat 20, and meanwhile the leg rest support 51 is operated to drive the first connecting rod 52 and the second connecting rod 53 to rotate relative to the seat 20, so that the leg rest support 51 is controlled to be switched to the storage state.

Further, the supporting mechanism 10 includes two first supporting legs 12 disposed opposite to each other and two second supporting legs 13 disposed opposite to each other, the first supporting legs 12 are connected to the second supporting legs 13, and the sliding grooves 11 are formed in the first supporting legs 12, and the supporting mechanism 10 further includes a link 14 connected to the two second supporting legs 13.

It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present application and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present application, which are intended to be comprehended within the scope of the present application.

Claims

1. The multifunctional seat is characterized by comprising:

a support mechanism;

the chair seat is arranged on the supporting mechanism;

the chair back is rotatably arranged on the chair seat;

2. The utility seat of claim 1, wherein in the seated position, a first distance is provided between an end of the armrest coupled to the stop bar and the seat; in the lying state, a second distance is reserved between one end of the handrail connected with the limiting rod and the seat, and the second distance is larger than the first distance.

3. The multifunctional seat according to claim 1, wherein the supporting mechanism is provided with a chute, and the limit rod is slidably mounted in the chute.

4. A multi-function seat as claimed in claim 3, wherein the check rod comprises a base rod and a locking arm movably mounted to the base rod, the locking arm having an unlocked state and a locked state; the side wall of the sliding chute is provided with a first limiting part, and in the locking state, the second limiting part of the locking arm is abutted against the first limiting part so as to limit the limiting rod in the length extending direction of the sliding chute; in the unlocking state, the first limiting part is separated from the second limiting part.

5. The multifunctional seat according to claim 4, wherein the base rod is connected to one end of the armrest, an accommodating groove is formed in the base rod, an opening communicating with the accommodating groove is formed in a side wall of the base rod, the locking arm is installed in the accommodating groove, and in the locking state, the second limiting portion of the locking arm abuts against the first limiting portion through the opening.

6. The multifunctional chair according to claim 5, further comprising a switch arm rotatably mounted on the base rod and connected to one end of the armrest, wherein one end of the locking arm is rotatably mounted on the sliding chute, the other end of the locking arm abuts against the switch arm, and rotation of the switch arm can drive the locking arm to rotate so as to control the locking arm to switch between the unlocking state and the locking state.

7. The multifunctional seat according to claim 4, wherein the limit rod further comprises a first limit block installed at one end, far away from the handrail, of the base rod, a second limit block is arranged at one end, close to the handrail, of the sliding groove, and in the lying state, the first limit block abuts against the second limit block to limit the limit rod.

8. The utility model as claimed in claim 7, wherein the surfaces of the first stopper and the second stopper abutting each other are arc-shaped surfaces, and the width of the chute near one end of the armrest is greater than the width of the base rod, so as to allow the base rod to deviate in the chute relative to the chute during the posture adjustment.

9. The multi-function seat of any one of claims 1-8 further comprising a legrest mechanism including a legrest support movably mounted to the seat base, the legrest mechanism having a deployed state in which the legrest support is adapted to move to a side of the seat base remote from the seat back and a stowed state; in the stowed condition, the leg rest support is stowed beneath the seat.

10. The utility model as claimed in claim 9, wherein the leg rest mechanism further comprises a first link and a second link, the top end of the first link is rotatably connected to the first rotating portion of the seat, the bottom end of the first link is rotatably connected to the second rotating portion of the leg rest, the top end of the second link is rotatably connected to the third rotating portion of the seat, the bottom end of the second link is rotatably connected to the fourth rotating portion of the leg rest, the first rotating portion and the third rotating portion are disposed at intervals, the fourth rotating portion is abutted to the seat in the sitting position, and operating the leg rest controls the fourth rotating portion to move away from the seat and controls the first link and the second link to rotate to control the leg rest to switch between the deployed state and the stowed state.