CN212394383U

CN212394383U - Multifunctional chair

Info

Publication number: CN212394383U
Application number: CN202020654293.6U
Authority: CN
Inventors: 郭陶
Original assignee: Jilin Hongtu Creative Technology Co ltd
Current assignee: Jilin Hongtu Creative Technology Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2021-01-26
Anticipated expiration: 2030-04-26

Abstract

The utility model discloses a multifunctional chair, which comprises a base structure; the seat adjustable structure includes a seat supporting portion configured to support a seated user thereon, and a support adjusting portion capable of turning over the seat supporting portion; the backrest supporting structure comprises a backrest part, a headrest part and an elastic limiting part, wherein the elastic limiting part can limit the headrest part when the headrest part is stressed to lean backwards, and the elastic limiting part drives the headrest part to reset after the stress disappears. The utility model discloses when the user is in the state of leaning on, support the regulating part and make the seat supporting part upwards overturn and horizontal plane formation angle, when user's head exerts force to head rest portion for head rest portion leans on backward, solves the problem that the prior art chair appears in the use leans on uncomfortable, and head rest portion is spacing by the spacing portion of elasticity moreover, and after the atress disappears, head rest portion resets, can satisfy multi-functional demand, convenient and practical.

Description

Multifunctional chair

Technical Field

The utility model relates to a chair technical field, concretely relates to multifunctional chair.

Background

There is a chair with an adjustable tilt angle on the market, which enables the chair to be switched between a seat state and an reclining state. However, the prior art seat is mostly in a horizontal position, when a user leans back, the position of the seat cannot be changed along with the posture of the user, which is easy to cause discomfort of the user, and the backrest is mostly just a backrest part, which causes no head support and discomfort of the user, even though the headrest part is included, the headrest part and the backrest part of the prior art chair are fixedly connected, the discomfort of the user still occurs.

SUMMERY OF THE UTILITY MODEL

The utility model provides a multifunctional chair, include:

a base structure;

a seat adjustable structure including a seat support portion configured to support a seated user thereon, and a support adjustment portion provided below the seat support portion, the support adjustment portion being capable of flipping the seat support portion relative to a horizontal plane;

the backrest support structure comprises a backrest part configured to support the back of a user, a headrest part configured to support the head of the user, and an elastic limiting part arranged on the base structure, wherein when the headrest part is stressed to lean backwards, the elastic limiting part can limit the headrest part, and after the stress disappears, the elastic limiting part drives the headrest part to reset;

and the seat support further comprises a recess configured for the backrest to move thereon;

when the support adjusting part enables the seat supporting part to be turned upwards relative to a horizontal plane, the bottom of the backrest part is contained in the lowest point of the depression part, and the headrest part is bent backwards and limited by the elastic limiting part, a user is in a leaning state.

The utility model has the advantages that: the utility model provides a multifunctional chair, when the user is in the state of leaning on, support the regulating part and make the seat supporting part upwards overturn and horizontal plane formation angle, and when user's head exerted force to head rest portion, make head rest portion lie back, solve the problem that the prior art chair appears in the use leans on uncomfortable, and head rest portion is spacing by the spacing portion of elasticity moreover, and after the atress disappears, the spacing portion of elasticity drives head rest portion and resets, can satisfy multi-functional demand, convenient and practical.

Drawings

Fig. 1 is a schematic structural view of a user sitting up in embodiment 1 of the present invention.

Fig. 2 is a schematic structural view of the embodiment 1 of the present invention in which a user leans on his/her back.

Fig. 3 is a schematic structural view of a user sitting up in embodiment 2 of the present invention.

Fig. 4 is a schematic structural view of the embodiment 2 of the present invention in which a user leans on his/her back.

Fig. 5 is a schematic structural view of a user sitting up in embodiment 3 of the present invention.

Fig. 6 is a schematic structural view of a shoulder restraint strap according to embodiment 3 of the present invention.

Fig. 7 is a schematic structural view of a user sitting up in embodiment 4 of the present invention.

The reference numbers in the figures illustrate: 11. a leg; 12. a support base; 13. a support frame; 21. a seat support; 211. a recessed portion; 221. fixing the cross beam; 222. a movable cross beam; 223. a hydraulic cylinder; 224. a hydraulic lever; 225. a hydraulic manual pump; 31. a backrest portion; 32. a headrest portion; 331. a limiting rod; 332. a spring; 41. a shoulder position-limiting band; 51. a leg support; 61. a handrail; 71. a storage bag.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. 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 and 2, the multifunctional chair of the present invention comprises a base structure, a seat adjustable structure and a backrest support structure, wherein the base structure comprises legs, a support base and a support frame, the legs are disposed on the ground, the legs are mounted on the support base, and the support frame is mounted on one side of the upper end of the support base.

In this embodiment, a seat-adjustable structure is mounted on the base structure, the seat-adjustable structure including a seat-supporting portion configured to support a seated user thereon, and a support-adjustment portion provided below the seat-supporting portion, the support-adjustment portion being capable of tilting the seat-supporting portion relative to a horizontal plane;

more specifically, the support adjusting part includes a fixed cross member fixed to the support frame and configured to be always in a horizontal position, and a movable cross member hingably coupled to the fixed cross member to rotate about a hinge point, and the movable cross member includes a seat support surface configured to support the seat support part through which the seat support part is installed;

the support adjusting part also comprises a hydraulic device, the hydraulic device is arranged between the support base and the movable cross beam, and the hydraulic device can enable the movable cross beam to rotate around a hinge point to drive the seat supporting part to turn relative to a horizontal plane; when the seat supporting part needs to be in the horizontal position, a user reversely operates the hydraulic manual pump to open the hydraulic valve, hydraulic oil returns to the oil tank, the hydraulic rod descends, and the movable cross beam rotates around the hinged point to drive the seat supporting part to be turned upwards to the horizontal position;

and the utility model discloses the seat supporting part is still including being disposed in order to supply the depressed part that the portion of leaning on moved on it, when the seat supporting part upwards overturns, the bottom of the portion of leaning on removes in this depressed part, after the seat supporting part upwards overturns and targets in place, the bottom holding of the portion of leaning on in the minimum of this depressed part, when the seat supporting part is in horizontal position, the bottom holding of the portion of leaning on in the peak of this depressed part for the portion of leaning on can not interfere the upset action of seat supporting part.

In this embodiment, the backrest support structure is installed on the base structure, the backrest support structure includes a backrest portion configured to support the back of the user, a headrest portion configured to support the head of the user, and an elastic limiting portion disposed on the support frame, the headrest portion is hingably coupled to the backrest portion to rotate around a hinge point, in a preferred embodiment of the present embodiment, the backrest portion and the headrest portion are both sleeved with support sleeves, the support sleeves are made of fabric, and are comfortable to use, when the headrest portion is forced to lean backwards, the headrest portion rotates around the hinge point to lean backwards, and the elastic limiting portion on the support frame can limit the headrest portion;

the elastic limiting part comprises a limiting rod and a spring, the limiting rod is arranged on the support frame, the spring is arranged on the limiting rod, the other end of the spring, opposite to the limiting rod, is connected with the headrest part, for example, the limiting rod can be welded on the support frame, when the headrest part is stressed, the headrest part rotates around a hinge point to face backwards, the elastic limiting part can limit the headrest part, and after the stress disappears, the elastic limiting part drives the headrest part to reset;

in this embodiment, the seat support device further includes an armrest, the armrest is disposed on the seat support, for example, the armrest may be welded on the seat support, and the armrest is convenient for a user to hold, thereby improving the safety of use.

When a user needs to lean on the back, the user operates the hydraulic manual pump to enable hydraulic oil to enter the hydraulic oil cylinder through the check valve, the hydraulic rod rises to enable the movable cross beam to rotate around the hinge point to drive the seat supporting portion to turn upwards, at the moment, the seat supporting portion forms an angle with the horizontal plane, after the user sits, the head applies force to the headrest portion, the headrest portion rotates around the hinge point to lean back, the elastic limiting portion can limit the headrest portion, and at the moment, the user is in a comfortable leaning on state; when the user needs the end to sit, user's head breaks away from head rest portion, and the spacing portion of elasticity drives head rest portion and resets, then the reverse operation hydraulic pressure manual pump of user makes the hydrovalve open, and hydraulic oil gets back to the oil tank, and the hydraulic stem descends for movable cross beam rotates around the pin joint in order to drive the seat supporting part upwards turn over to horizontal position can, and the user is in comparatively comfortable end and sits the state this time.

Example 2

Typically, the user's legs need to be supported when the user is in a supine position. Therefore, embodiment 2 of the present invention provides another multifunctional chair, which includes the components of embodiment 1, and the same components are denoted by the same reference numerals, and the description of the embodiment is omitted here. However, in contrast, referring to fig. 3 and 4, the present embodiment further comprises a leg support structure, the leg support structure comprises a leg support portion configured to support the legs of the user thereon, the leg support portion is hingably coupled to the bottom of the seat support portion to rotate around a hinge point, in a preferred embodiment of the present embodiment, the leg support portion is preferably a footrest, two footrests are hingably coupled to both sides of the seat support portion to rotate around the hinge point, when the user needs to lean against, the footrests on both sides only need to be rotated around the hinge point to the front of the seat support portion, when the user needs to sit up, the footrests on both sides only need to be rotated around the hinge point to the bottom of the seat support portion in the opposite direction, without interfering with the sitting up action of the user.

Example 3

In general, when a user sits upright, the user's shoulders tend to tilt forward, and when the user sits in such a posture for a long time, cervical spondylosis tends to occur. Therefore, embodiment 3 of the present invention provides another multifunctional chair, which includes the components in embodiment 1, and the same components are denoted by the same reference numerals, and the description of the embodiment is omitted here. However, referring to fig. 5 and fig. 6, the embodiment further includes a shoulder limiting structure, the shoulder limiting structure is disposed on the backrest portion, and the shoulder limiting structure includes a shoulder limiting belt disposed for the seated user to wear, the shoulder limiting belt can be sewn on the support sleeve of the backrest portion, when the user sits on the back, the shoulder of the user can not lean forward by wearing the shoulder limiting belt, and the use of the shoulder limiting belt can keep the eyes at a proper distance from the computer, so as to effectively prevent myopia, and is suitable for users who work and study for long time, such as white collar, students, etc.

Example 4

Generally, the chair does not have a storage function, and when a user takes and places articles, the user needs to leave the chair, so that the function of the chair is single. Therefore, embodiment 4 of the present invention provides another multifunctional chair, which includes the components in embodiment 1, and the same components are denoted by the same reference numerals, and the description of the embodiment is omitted here. However, referring to fig. 7, in this embodiment, the storage member is further included, the storage member is disposed on the armrest and can be used to store articles, in this embodiment, the storage member is preferably a hook, the hook is rotatably mounted on the armrest to rotate around a hinge point, when articles need to be stored, a user can rotate the hook to enable the hook portion of the hook to be outward for hanging the articles, when articles do not need to be stored, the user can rotate the hook in the reverse direction to enable the hook portion of the hook to be inward and hook the armrest, and the hook is provided with a rubber sleeve, so that the storage member is safe to use.

The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. Multifunctional chair, its characterized in that includes:

a base structure;

2. The multifunctional chair according to claim 1, wherein: the support adjustment portion includes a fixed cross member fixed to the base structure and configured to be always in a horizontal position, and a movable cross member hingably coupled to the fixed cross member to rotate about a hinge point.

3. The multifunctional chair according to claim 1 or 2, wherein: the support adjusting part further comprises a hydraulic device, the hydraulic device is arranged between the base structure and the movable cross beam, and the hydraulic device can enable the movable cross beam to rotate around a hinge point to drive the seat supporting part to turn over relative to a horizontal plane.

4. The multifunctional chair according to claim 3, wherein: the hydraulic device comprises a hydraulic oil cylinder, a hydraulic rod and a hydraulic manual pump, the hydraulic oil cylinder is arranged on the base structure, one end of the hydraulic rod is connected with the movable cross beam, the other end of the hydraulic rod is connected with the hydraulic oil cylinder, and the hydraulic manual pump is installed on the hydraulic oil cylinder.

5. The multifunctional chair according to claim 1, wherein: the headrest portion can be coupled to the portion of leaning back with hinging the rotation in order to wind the pin joint with articulating, when the headrest portion is faced back in the atress, the spacing portion of elasticity can carry on spacingly to the headrest portion to after the atress disappears, the spacing portion of elasticity drives the headrest portion and resets.

6. The multifunctional chair according to claim 1 or 5, wherein: the spacing portion of elasticity includes gag lever post and spring, the gag lever post is disposed at the base structure, just install the spring on the gag lever post, the headrest portion is connected to the other end of the relative gag lever post of spring.

7. The multifunctional chair according to claim 1, wherein: the base structure comprises legs, a supporting base and a supporting frame, the legs are arranged on the ground, the legs are installed on the supporting base, and the supporting frame is installed on one side of the upper end of the supporting base.

8. The multifunctional chair according to claim 1, wherein: also included is a shoulder restraint structure configured on the backrest portion, and the shoulder restraint structure includes a shoulder restraint strap configured to be worn by a seated user.

9. The multifunctional chair according to claim 1, wherein: also included is a leg rest structure including a leg support portion configured to support a user's leg thereon, the leg support portion hingeably coupled to a bottom portion of the seat support portion for rotation about a hinge point.

10. The multifunctional chair according to claim 1, wherein: the seat support portion is provided with a seat support portion, and the armrest is configured on the seat support portion, and the storage bag is detachably mounted on the armrest.