CN219720188U - Seat support piece of many application scenes - Google Patents

Abstract

The utility model provides a seat support piece of a multi-application scene, which comprises a main support piece and two side support pieces connected with the rotating support piece in a rotating way, wherein the front part of the main support piece is provided with two notches, the side support pieces are positioned in the two notches, the side support pieces are turned over relative to the main support piece through a state switching assembly, when the side support pieces are horizontal and fill the notches, the seat support piece is in a flat seat state, and when the side support pieces are sagged and the notches are exposed, the seat support piece is in a saddle state; the state switching assembly comprises a fixed seat fixedly mounted on the main support piece and a sliding block in sliding fit with the fixed seat, a first limiting block is arranged on the sliding block, a second limiting block is arranged on the side support piece, when the first limiting block is in butt joint with the second limiting block, the side support piece is locked to rotate relative to the main support piece, and when the first limiting block is separated from the second limiting block, the side support piece can rotate relative to the main support piece, and the state is switchable.

Description

Seat support piece of many application scenes

Technical Field

The utility model relates to the field of furniture, in particular to a seat support piece for multiple application scenes.

Background

Kneeling chairs, also known as corrective chairs, were originally designed and formed by Norway designers, subvert traditional chairs, and are suitable for people suffering from low back pain, poor sitting postures, humpbacks and needing to be maintained in correct sitting postures, so that the kneeling chairs have been widely accepted in the market.

Further, a kneeling chair capable of switching between sitting posture and kneeling posture is generally used as a conventional chair seat, and the shape of the chair seat cannot be changed, and in order to pursue comfort, the following requirements should be provided: in a sitting posture, a user can sit on the seat normally, and when sitting, the seat can give sufficient comfort support to the buttocks and the root parts of thighs of the human body; in the kneeling position, the legs of the human body should be naturally closed, the knees are forward, and the thighs start to bend downwards at the root, which is not realized by the traditional chair seat; this means that the conventional seat in a single form cannot meet the requirements in both aspects.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a seat support of a multi-application scene, which comprises a main support and two side supports rotationally connected with a rotating support, wherein the front part of the main support is provided with two notches, the side supports are positioned in the two notches, the side supports are turned over relative to the main support through a state switching assembly, when the side supports are horizontal and fill the notches, the seat support is in a flat seat state, and when the side supports are sagged and the notches are exposed, the seat support is in a saddle state; the state switching assembly comprises a fixed seat fixedly mounted on the main support piece and a sliding block in sliding fit with the fixed seat, a first limiting block is arranged on the sliding block, a second limiting block is arranged on the side support piece, when the first limiting block is in butt joint with the second limiting block, the side support piece is locked to rotate relative to the main support piece, and when the first limiting block is separated from the second limiting block, the side support piece can rotate relative to the main support piece, and the state is switchable.

The technical scheme of the utility model is realized as follows:

a seat support piece of a multi-application scene comprises a main support piece and two side support pieces rotatably arranged on the main support piece, wherein notches are formed in the left side and the right side of the front part of the main support piece, and the two side support pieces are respectively positioned at the two notches; the side support piece is connected with the main support piece through a state switching component; the state switching assembly comprises a fixed seat and a sliding block, the fixed seat is fixedly arranged on the main support piece, and the sliding block is arranged on the fixed seat in a sliding manner; the sliding block is provided with a first limiting block, and the side supporting piece is provided with a second limiting block; the seat support piece is in a flat seat state, two side support pieces are horizontally positioned at the two gaps and fill the gaps in the flat seat state, and the first limiting block is abutted with the second limiting block; when the saddle is switched between the flat seat state and the saddle state, the sliding block slides relative to the fixed seat, the first limiting block and the second limiting block are separated, and the side supporting piece can rotate relative to the main supporting piece; under the saddle state, two vertical sags in main support both sides of side support piece, and the breach of main support piece exposes, and first stopper still supports with the second stopper.

In the flat seat state, the side support parts fill the gaps, so that the seat support parts form a complete seat for a human body to sit normally, and the comfort is higher relative to a saddle; in the saddle state, the side support pieces hang down on two sides of the main support piece, so that the seat support piece forms a saddle, the notch is exposed and can avoid thighs of a human body, so that the human body rides on the saddle in a kneeling posture, and the comfort is higher relative to the transmission chair seat; the switching of two forms of the chair seat is realized, and the sitting comfort under two conditions is also improved; the butt of first stopper and second stopper has realized the relative locking of side support piece and main support piece, and the sliding block slides the back, and first stopper breaks away from each other with the second stopper and no longer butt has realized the relative rotation of side support piece and main support piece.

Preferably, the first limiting block has a first limiting surface facing the outer side of the main support and a first inclined surface inclined forward and upward, and correspondingly, the second limiting block has a second limiting surface facing the center of the main support and a second inclined surface inclined backward and downward, and in the flat seat state, the first limiting surface abuts against the second limiting surface, and in the saddle state, the first inclined surface abuts against the second inclined surface. The locking under different states is realized through the abutting connection between different limiting surfaces, and the structure is simple and effective; the first inclined plane and the second inclined plane are inclined in the front-back direction, the sliding block slides in the front-back direction, when the sliding block is switched to the saddle state, the sliding block slides back to front again, at the moment, the inclined plane provides guiding and positioning functions, return locking is facilitated, and state switching is achieved more conveniently and easily.

Preferably, the side support piece is rotationally connected with the fixing seat, the side support piece comprises a side plate and a side rod, the second limiting block is arranged at the end part of the side rod, and the second limiting surface and the second inclined surface are two spaced surfaces of the second limiting block. After the side support piece rotates, the second limiting surface and the second inclined surface respectively play a limiting role in different states.

Preferably, the fixing base is provided with a connecting part, the middle parts of the left side and the right side of the fixing base are provided with accommodating grooves, the end parts of the side rods are positioned in the accommodating grooves, the fixing bases on the front side and the rear side of the accommodating grooves are connecting parts, and the connecting parts are provided with positioning parts protruding towards the accommodating grooves. The positioning part prevents the side support piece from transitionally turning upwards and provides positioning for the side support piece in a flat seat state.

Preferably, the sliding block slides along the front-back direction, two first limiting blocks are arranged at the left side and the right side of the sliding block at intervals, and an avoidance groove is formed between the two first limiting blocks; correspondingly, two second limiting blocks are also arranged on the side supporting piece, and the avoiding groove is configured so that when the sliding block slides backwards to enable the first limiting block and the second limiting block to be separated, the side supporting piece can rotate in an unobstructed mode.

Preferably, the sliding block is provided with a sliding groove, the sliding groove penetrates through the sliding block up and down, the bottom of the fixing seat is provided with a guide pillar in an upward protruding mode, the guide pillar is inserted into the sliding groove, and when the sliding block slides relative to the fixing seat, the guide pillar changes position in the sliding groove.

Preferably, the slider is connected to an operation lever. Pushing the operating rod controls the sliding block to slide.

Preferably, the device further comprises a seat shell, wherein the main support piece and the side support piece are arranged on the seat shell, and the state switching assembly is positioned in the seat shell; the operating rod protrudes forward from the seat shell. The operating rod protrudes out of the seat shell, so that the operation of a user is facilitated.

Preferably, a return spring is arranged between the sliding block and the fixed seat. And elastic force is provided for resetting the sliding block, so that the operation is convenient and easy.

Preferably, the main support is saddle-shaped.

The design starting point, the idea and the beneficial effects of the utility model adopting the technical scheme are as follows:

1. in the flat seat state, the side support parts fill the gaps, so that the seat support parts form a complete seat for a human body to sit normally, and the comfort is higher relative to a saddle; in the saddle state, the side support pieces hang down on two sides of the main support piece, so that the seat support piece forms a saddle, the notch is exposed and can avoid thighs of a human body, so that the human body rides on the saddle in a kneeling posture, and the comfort is higher relative to the transmission chair seat; the switching of two forms of the chair seat is realized, and the sitting comfort under two conditions is also improved;

2. the butt of first stopper and second stopper has realized the relative locking of side support piece and main support piece, and the sliding block slides the back, and first stopper breaks away from each other with the second stopper and no longer butt has realized the relative rotation of side support piece and main support piece.

Drawings

FIG. 1 is a schematic perspective view of the seat support of the chair according to the embodiment of the present utility model;

FIG. 2 is an exploded view of the seat support of the chair according to an embodiment of the present utility model;

FIG. 3 is a schematic perspective view of the side support and the fixing base according to the embodiment of the present utility model;

FIG. 4 is a schematic perspective view of the side support and the fixing base in a saddle state according to the first embodiment of the present utility model;

FIG. 5 is a schematic diagram showing a side support and a fixing base in a saddle state according to a second embodiment of the present utility model;

FIG. 6 is a schematic diagram showing a perspective structure of a first stopper and a second stopper separated from each other in an embodiment of the present utility model;

FIG. 7 is a schematic diagram showing a second perspective structure of the first stopper and the second stopper in the embodiment of the present utility model;

FIG. 8 is a schematic perspective view of a slider according to an embodiment of the present utility model;

FIG. 9 is a schematic diagram showing a second perspective structure of a slider according to an embodiment of the present utility model;

FIG. 10 is a schematic perspective view of a side support according to an embodiment of the present utility model;

fig. 11 is a schematic perspective view of a side support according to a second embodiment of the present utility model.

The reference numerals are as follows: a main support 1; a side support 2; a side bar 21; a side plate 22; a notch 3; a fixing seat 4; a connection portion 41; a positioning portion 411; a receiving groove 42; a guide post 43; a limit piece 44; a slider 5; a chute 51; avoidance groove 52; a first stopper 6; a second limiting block 7; a seat shell 8; a return spring 9; a first limiting surface 10; a first inclined surface 11; a second limiting surface 12; a second inclined surface 13; and an operation lever 14.

Description of the embodiments

In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The specific embodiments of the present utility model are as follows:

as shown in fig. 1-3, the utility model provides a seat support for multiple application scenes, which comprises a main support 1 and two side supports 2 rotatably arranged on the main support 1, wherein notches 3 are formed on the left side and the right side of the front part of the main support 1, and the two side supports 2 are respectively positioned at the two notches 3; the side support piece 2 is connected with the main support piece 1 through a state switching component; the state switching assembly comprises a fixed seat 4 and a sliding block 5, the fixed seat 4 is fixedly arranged on the main support 1, and the sliding block 5 is arranged on the fixed seat 4 in a sliding manner; the sliding block 5 is provided with a first limiting block 6, and the side supporting piece 2 is provided with a second limiting block 7; the seat support piece is in a flat seat state, in the flat seat state, the two side support pieces 2 are horizontally positioned at the two gaps 3 and fill the gaps 3, and the first limiting block 6 is abutted with the second limiting block 7; when the saddle is switched between the flat seat state and the saddle state, the sliding block 5 slides relative to the fixed seat 4, the first limiting block 6 and the second limiting block 7 are separated, and the side support 2 can rotate relative to the main support 1; in the saddle state, the two side support pieces 2 vertically droop on the two sides of the main support piece 1, the notch 3 of the main support piece 1 is exposed, and the first limiting block 6 and the second limiting block 7 are still in abutting connection.

In the flat seat state, the side support piece 2 fills the gap 3, so that the seat support piece forms a complete seat for a human body to sit normally, and the comfort is higher relative to a saddle; in the saddle state, the side support pieces 2 hang down on two sides of the main support piece 1, so that the seat support piece forms a saddle, the notch 3 is exposed to avoid thighs of a human body, so that the human body rides on the seat in a kneeling posture, and the comfort is higher relative to a transmission seat; the switching of two forms of the chair seat is realized, and the sitting comfort under two conditions is also improved; the butt joint of the first limiting block 6 and the second limiting block 7 realizes the relative locking of the side support 2 and the main support 1, and after the sliding block 5 slides, the first limiting block 6 and the second limiting block 7 are mutually separated from each other and are not in butt joint any more, so that the relative rotation of the side support 2 and the main support 1 is realized.

Specifically, as shown in fig. 1 and 2, the seat support further includes a seat shell 8, the main support body and the side support body are both disposed on the seat shell 8, the main support 1 is in a saddle shape, the side support body is in a substantially blade shape, the notches 3 are naturally formed on the left and right sides of the front portion of the main support 1, the shape of the side support body corresponds to the notch 3, and the side support body includes a side rod 21 connected with the main support 1 and a side plate 22 for supporting; the state switching assembly is disposed in the housing 8.

Further, as shown in fig. 3-7, the fixing base 4 is fixedly connected to the lower surface of the main support 1 from bottom to top through screws, the fixing base 4 is provided with a connecting portion 41, the middle parts of the left side and the right side of the fixing base 4 are provided with accommodating grooves 42, the end parts of the side rods 21 are positioned in the accommodating grooves 42, the fixing base 4 on the front side and the rear side of the accommodating grooves 42 is the connecting portion 41, the side rods 21 are rotationally connected with the front connecting portion 41 and the rear connecting portion 41 through rotating shafts, the connecting portion 41 is provided with a positioning portion 411 in a protruding mode towards the accommodating grooves 42, the positioning portion 411 prevents the side support 2 from turning upwards in a transitional mode, and positioning is provided for the side support 2 in a flat seat state.

The sliding block 5 is positioned below the fixed seat 4, the sliding block 5 slides relative to the fixed seat 4 along the front-back direction, two spaced and symmetrical sliding grooves 51 are formed in the sliding block 5, the sliding grooves 51 vertically penetrate through the sliding block 5, the bottom of the fixed seat 4 is downwards provided with guide posts 43 in a protruding mode, the guide posts 43 are inserted into the sliding grooves 51, and limit pieces 44 are connected through screws so as to prevent the sliding block 5 from being separated from the fixed seat 4; when the sliding block 5 slides relative to the fixed seat 4, the guide post 43 changes position in the sliding groove 51; a reset spring 9 is arranged between the rear part of the sliding block 5 and the fixed seat 4, the reset spring 9 always gives forward elasticity to the sliding block 5, and provides elasticity for resetting the sliding block 5, so that the operation is convenient and easy; the sliding block 5 is connected with an operating rod 14, the operating rod 14 protrudes out of the seat shell 8, and the operating rod 14 is pushed to control the sliding block 5 to slide, so that the operation of a user is facilitated.

As shown in fig. 8-11, two first limiting blocks 6 are arranged at intervals on the left side and the right side of the sliding block 5, and an avoidance groove 52 is formed between the two first limiting blocks 6; correspondingly, two second limiting blocks 7 are also arranged on the side supporting piece 2, the second limiting blocks 7 are arranged at the end parts of the side rods 21, and the avoiding grooves 52 are configured so that when the sliding block 5 slides backwards to enable the first limiting blocks 6 to be separated from the second limiting blocks 7, the side supporting piece 2 can rotate in an unimpeded mode.

The first limiting block 6 is provided with a first limiting surface 10 facing the outer side of the main supporting piece 1 and a first inclined surface 11 inclining forwards and upwards, correspondingly, the second limiting block 7 is provided with a second limiting surface 12 facing the center of the main supporting piece 1 and a second inclined surface 13 inclining backwards and downwards, the second limiting surface 12 and the second inclined surface 13 are two spaced surfaces of the second limiting block 7, after the side supporting piece 2 rotates, the second limiting surface 12 and the second inclined surface 13 respectively play a limiting role in different states, the first limiting surface 10 and the second limiting surface 12 are abutted in a flat seat state, and the first inclined surface 11 and the second inclined surface 13 are abutted in a saddle seat state; the locking under different states is realized through the abutting connection between different limiting surfaces, and the structure is simple and effective; the first inclined plane 11 and the second inclined plane 13 are inclined in the front-rear direction, the sliding block 5 slides in the front-rear direction, when the sliding block 5 slides forwards from back to back again in the state of the saddle, the inclined planes provide guiding and positioning functions at the moment, return locking is facilitated, and state switching is achieved more conveniently and easily.

The operation steps of the seat support are as follows: when the saddle is switched from the flat seat state to the saddle state, in the flat seat state, the sliding block 5 is positioned at the front part of the fixed seat 4, the two first limiting blocks 6 on each side are respectively abutted with the second limiting blocks 7 on the two side supporting pieces 2, and at the moment, the first limiting surfaces 10 of the first limiting blocks 6 are abutted with the second limiting surfaces 12 of the second limiting blocks 7, and the side supporting pieces 2 are horizontally arranged and fill the gaps 3; at this time, the operating rod 14 is pushed backwards, so that the sliding block 5 slides backwards relative to the fixed seat 4, the first limiting block 6 is gradually separated from the second limiting blocks 7 backwards until the first limiting block 6 in front comes between the two second limiting blocks 7 and is not overlapped with the second limiting blocks 7 in a staggered way, meanwhile, the second limiting block 7 positioned at the rear is positioned at the avoiding groove 52, the first limiting block 6 and the second limiting block 7 are completely separated, and the rotation of the side supporting piece 2 is not limited by the sliding block 5 any more; the side support 2 naturally rotates downwards under the influence of gravity, the second limiting block 7 positioned at the front bypasses the first sliding block 5 from the front of the sliding block 5, the second limiting block 7 positioned at the rear bypasses the first limiting block 6 from the avoidance groove 52, the operating rod 14 is loosened, the return spring 9 pushes the sliding block 5 to slide forwards, the first inclined plane 11 and the second inclined plane 13 are gradually contacted and attached, the side support 2 is further pushed to rotate, the side support 2 finally sags on two sides of the main support 1, the first inclined plane 11 and the second inclined plane 13 are abutted, and the seat support is switched to a saddle state; when the saddle is switched to the flat seat state, due to the action of the inclined plane and the return spring 9, the operating rod 14 is not required to be pressed, the two side supporting pieces 2 are directly and simultaneously turned upwards until the positioning part 411 abuts against the side rod 21, so that the side supporting pieces 2 cannot continue to move, the second limiting block 7 also leaves from the avoiding groove 52, the sliding block 5 slides forwards and enables the first limiting surface 10 to abut against the second limiting surface 12 again under the action of the return spring 9, and the side supporting pieces 2 can directly return to the horizontal state.

Claims (10)

1. A seat support of many application scenarios, its characterized in that: the device comprises a main support piece and two side support pieces rotatably arranged on the main support piece, wherein the left side and the right side of the front part of the main support piece are provided with notches, and the two side support pieces are respectively positioned at the two notches; the side support piece is connected with the main support piece through a state switching component; the state switching assembly comprises a fixed seat and a sliding block, the fixed seat is fixedly arranged on the main support piece, and the sliding block is arranged on the fixed seat in a sliding manner; the sliding block is provided with a first limiting block, and the side supporting piece is provided with a second limiting block; the seat support piece is in a flat seat state, two side support pieces are horizontally positioned at the two gaps and fill the gaps in the flat seat state, and the first limiting block is abutted with the second limiting block; when the saddle is switched between the flat seat state and the saddle state, the sliding block slides relative to the fixed seat, the first limiting block and the second limiting block are separated, and the side supporting piece can rotate relative to the main supporting piece; under the saddle state, two vertical sags in main support both sides of side support piece, and the breach of main support piece exposes, and first stopper still supports with the second stopper.

2. The multi-application seat support of claim 1, wherein: the first limiting block is provided with a first limiting surface facing the outer side of the main supporting piece and a first inclined surface inclining forwards and upwards, correspondingly, the second limiting block is provided with a second limiting surface facing the center of the main supporting piece and a second inclined surface inclining backwards and downwards, the first limiting surface is abutted with the second limiting surface in a flat seat state, and the first inclined surface is abutted with the second inclined surface in a saddle state.

3. The multi-application seat support of claim 2, wherein: the side support piece is connected with the fixing base in a rotating mode, the side support piece comprises side plates and side rods, the second limiting block is arranged at the end portions of the side rods, and the second limiting surface and the second inclined surface are two spaced surfaces of the second limiting block.

4. A multi-application seat support according to claim 3, characterized in that: the fixing base has connecting portion, and fixing base left and right sides middle part is equipped with the accommodation groove, the tip of side lever is arranged in the accommodation groove, and the fixing base of both sides is connecting portion around the accommodation groove, and connecting portion is protruding to be equipped with the location portion to the accommodation groove.

5. The multi-application seat support of claim 1, wherein: the sliding block slides along the front-back direction, two first limiting blocks are arranged at the left side and the right side of the sliding block at intervals, and an avoidance groove is formed between the two first limiting blocks; correspondingly, two second limiting blocks are also arranged on the side supporting piece, and the avoiding groove is configured so that when the sliding block slides backwards to enable the first limiting block and the second limiting block to be separated, the side supporting piece can rotate in an unobstructed mode.

6. The multi-application seat support of claim 1, wherein: the sliding block is provided with a sliding groove, the sliding groove penetrates through the sliding block up and down, the bottom of the fixing seat is provided with a guide pillar in an upward protruding mode, the guide pillar is inserted into the sliding groove, and when the sliding block slides relative to the fixing seat, the guide pillar changes position in the sliding groove.

7. The multi-application seat support of claim 1, wherein: the sliding block is connected with an operating rod.

8. The multi-application seat support of claim 7, wherein: the main support and the side support are arranged on the seat shell, and the state switching assembly is positioned in the seat shell; the operating rod protrudes forward from the seat shell.

9. The multi-application seat support of claim 1, wherein: a reset spring is arranged between the sliding block and the fixed seat.

10. The multi-application seat support of claim 1, wherein: the main support is saddle-shaped.