CN219088771U - Posture correcting cushion - Google Patents

Abstract

The utility model discloses a posture correcting cushion which comprises a cushion body, wherein the cushion body comprises a cushion part and a leaning part, the section of the cushion part is wavy, a first sponge cushion is fixed on the top surface of the cushion part, first arc-shaped bulges protruding upwards are symmetrically arranged at the left edge and the right edge of the first sponge cushion, the two first arc-shaped bulges are matched to limit an arm part, a second arc-shaped bulge protruding upwards and used for supporting legs is arranged at the front edge of the first sponge cushion, a plurality of ventilation grooves are formed in the first sponge cushion, a waist support part is arranged on the front side surface of the leaning part and used for supporting the back, and the waist support part is adjusted to move up and down relative to the leaning part through a lifting adjusting part. The utility model can effectively limit the arm, and the use effect of the posture correction cushion is good for users with low height and high height.

Description

Posture correcting cushion

Technical Field

The utility model belongs to the technical field of cushions, and particularly relates to a posture correcting cushion.

Background

At present, work of many professions is completed through a computer, and a worker often sits in front of the computer all the day long, so that a long-term sitting condition exists for many workers, and the long-term sitting can lead the workers to feel very tired, and the workers in the tired state can unconsciously keep wrong sitting postures, so that the workers are easy to cause body humpback, and normal life is affected.

Chinese patent CN209269115U discloses a gesture correcting cushion, including the cushion body that hard material was made, the cushion body includes cushion portion and leaning on portion, the cross-section of cushion portion is the W type, and cushion portion bilateral symmetry is provided with the buttock pad of supporting that the surface is curved, is provided with the protruding shank pad of supporting between two buttock pads of supporting, and cushion portion rear portion is provided with the tailstock pad of supporting. The hip pad in this patent can only support the arm, and can not carry out spacingly to the arm, consequently can not effectively prevent the mistake position of sitting of the user under the tired state, and the back side pad in this patent can not reciprocate relatively leaning on the portion, therefore to the user of lower and higher height, the result of use of gesture cushion in this patent is not very good.

Disclosure of Invention

In view of the defects in the prior art, the utility model provides the posture correcting cushion, which can effectively limit the arms and has good use effects for users with low height and high height.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a gesture correcting cushion, includes the cushion body, the cushion body includes cushion portion and leaning on portion, the cushion portion cross-section is the wave, be fixed with first foam-rubber cushion on the cushion portion top surface, first foam-rubber cushion left edge and right edge department symmetry are equipped with upwards convex first arc arch, two first arc arch cooperation is used for spacing the arm, first foam-rubber cushion front edge department is equipped with upwards protrusion and is used for setting off the second arc arch of shank, be equipped with a plurality of ventilation slots on the first foam-rubber cushion, leaning on portion leading flank is equipped with the waist and holds in the palm the part for support the back, the waist holds in the palm the part and adjusts relative leaning on portion reciprocates through the lift adjustment part.

Further, the waist support component comprises a left waist support component arranged on the left part of the front side surface of the leaning part and a right waist support component arranged on the right part of the front side surface of the leaning part, the left waist support component and the right waist support component are arranged in a bilateral symmetry mode, the lifting adjusting component comprises a left lifting adjusting component and a right lifting adjusting component, the left waist support component is adjusted to move up and down relative to the leaning part through the left lifting adjusting component, and the right waist support component is adjusted to move up and down relative to the leaning part through the right lifting adjusting component.

Further, the left waist support assembly comprises a left waist support, the left edge and the right edge of the left waist support are both bent forwards, the upper edge and the lower edge of the left waist support are both bent backwards to form a left support part attached to the back, a second left foam-rubber cushion is detachably connected to the front side surface of the left waist support, and a plurality of left diversion trenches are arranged on the second left foam-rubber cushion; the right waist support assembly comprises a right waist support, a second right sponge cushion and a right diversion trench.

Further, the first foam-rubber cushion is integrally arranged on the top surface of the first supporting plate, the section of the first supporting plate is wavy and is matched with the cushion part, the bottom surface of the first supporting plate is in threaded connection with the top surface of the cushion part, and the ventilation grooves divide the first foam-rubber cushion into a plurality of foam-rubber cushions which are separated.

Further, the ventilation grooves are not communicated, and the left diversion grooves are communicated; the left waist support is provided with a plurality of left vent holes, and the right waist support is provided with a plurality of right vent holes.

Further, the second left foam-rubber cushion is integrally arranged on the front side surface of the second left support plate, the second left support plate is matched with the shape and structure of the left waist support, the rear side surface of the second left support plate is detachably connected with the front side surface of the left waist support, and the plurality of left guide grooves divide the second left foam-rubber cushion into a plurality of separated foam-rubber cushions; the second right foam-rubber cushion is integrally arranged on the front side surface of the second right supporting plate, and the rear side surface of the second right supporting plate is detachably connected with the front side surface of the right waist support.

Further, the second left support plate rear side face and the left waist support front side face are detachably connected through a plurality of left buckles, and the second right support plate rear side face and the right waist support front side face are detachably connected through a plurality of right buckles.

Further, the left lifting adjusting component comprises a left supporting seat, the upper end of the left supporting seat is fixedly connected with the upper part of the rear side surface of the left waist support through a left upper connecting rod, the lower end of the left supporting seat is fixedly connected with the lower part of the rear side surface of the left waist support through a left lower connecting rod, a left connecting shaft horizontally arranged along the front-back direction is fixedly arranged in the middle of the left supporting seat in a penetrating manner, a plurality of left positioning holes for the left connecting shaft to penetrate are sequentially arranged on the left part of the leaning part from top to bottom, and the rear end of the left connecting shaft penetrates through the corresponding left positioning holes and is locked through a left locking bolt; the right lifting adjusting assembly comprises a right supporting seat, a right upper connecting rod, a right lower connecting rod, a right connecting shaft, a right positioning hole and a right locking bolt.

Further, the front end of the left connecting shaft is fixedly provided with a left compression spring horizontally arranged along the front-back direction, and the front end of the left compression spring is abutted to the corresponding position of the rear side surface of the left waist support; the front end of the right connecting shaft is fixedly provided with a right compression spring which is horizontally arranged along the front-back direction, and the front end of the right compression spring is abutted to the corresponding position of the rear side surface of the right waist support.

Further, the left part and the right part of the bottom surface of the cushion part are symmetrically provided with supporting and positioning feet.

Compared with the prior art, the utility model has the beneficial effects that:

the gesture correcting cushion comprises a cushion body, wherein the cushion body comprises a cushion part and a leaning part, the section of the cushion part is wavy, a first sponge cushion is fixed on the top surface of the cushion part, first arc-shaped bulges protruding upwards are symmetrically arranged at the left edge and the right edge of the first sponge cushion, the two first arc-shaped bulges are matched for limiting the arm parts, a second arc-shaped bulge protruding upwards and used for supporting the legs is arranged at the front edge of the first sponge cushion, a plurality of ventilation grooves are formed in the first sponge cushion, a waist support part is arranged on the front side surface of the leaning part and used for supporting the back, and the waist support part moves up and down relative to the leaning part through adjustment of a lifting adjusting part; after the user sits on the first foam-rubber cushion, the left arc-shaped bulge and the right arc-shaped bulge are matched to effectively limit the arms of the user, so that the user in a tired state can still keep a correct sitting posture, the user in a tired state can be effectively prevented from being in an incorrect sitting posture, the waist support component can adjust the leaning part to move downwards to a proper position through the lifting adjusting component for the user with lower height, so that the back can lean on the waist support component completely after the user with lower height sits on the first foam-rubber cushion, the waist support component can adjust the leaning part to move upwards to a proper position through the lifting adjusting component for the user with higher height, so that the back can lean on the waist support component completely after the user with higher height sits on the first foam-rubber cushion, and therefore, the use effect of the posture correcting cushion is good for the user with lower height, and the arrangement of a plurality of ventilation grooves on the first foam-rubber cushion plays a role in ventilation, so that the comfort of the user with higher height can be improved.

The waist support component comprises a left waist support component and a right waist support component which are symmetrically arranged left and right, the lifting adjustment component comprises a left lifting adjustment component and a right lifting adjustment component, the left waist support component comprises a left waist support, the left edge and the right edge of the left waist support are both bent forwards, the upper edge and the lower edge of the left waist support are both bent backwards to form a left support part attached to the back, a second left foam cushion is detachably connected to the front side surface of the left waist support, a plurality of left diversion trenches which are communicated are arranged on the second left foam cushion, and the right waist support component comprises a right waist support, a second right foam cushion and a right diversion trench; therefore, the mounting height of the left waist support component at the left part of the leaning part is adjusted through the left lifting adjusting component, the mounting height of the right waist support component at the right part of the leaning part is adjusted through the right lifting adjusting component, when a user sits on the first sponge cushion, the back of the user leans against the left waist support component and the right waist support component completely, the left waist support and the right waist support structural design can avoid the left and right inclination of the body of the user, the good sitting posture of the user is facilitated, the second left sponge cushion is detachably connected with the left waist support, the second left sponge cushion is convenient to detach from the left waist support to clean, and a plurality of left guide grooves communicated with the second left sponge cushion are convenient to flow of cleaning liquid when the second left sponge cushion is cleaned, so that the second left sponge cushion is difficult to dry after being cleaned, the second left sponge cushion is convenient to detach from the right waist support to clean, the second left sponge cushion is easy to clean when the second left sponge cushion is arranged on the second left sponge cushion, and the second left sponge cushion is difficult to clean after being dried.

In the utility model, the left waist support is provided with a plurality of left vent holes, and the right waist support is provided with a plurality of right vent holes; the arrangement of the left vent hole and the right vent hole enables the back of a user to be more breathable when sitting on the posture correcting cushion when the left waist support is not provided with the second left foam cushion and the right waist support is not provided with the second right foam cushion.

The left lifting adjusting component comprises a left supporting seat, wherein the upper end of the left supporting seat is fixedly connected with the upper part of the rear side surface of a left waist support through a left upper connecting rod, the lower end of the left supporting seat is fixedly connected with the lower part of the rear side surface of the left waist support through a left lower connecting rod, a left connecting shaft horizontally arranged along the front-back direction is fixedly arranged in the middle of the left supporting seat in a penetrating manner, a plurality of left positioning holes for the left connecting shaft to penetrate are sequentially arranged on the left part of the leaning part from top to bottom, the rear end of the left connecting shaft penetrates through corresponding left positioning holes and is locked through left locking bolts, and the right lifting adjusting component comprises a right supporting seat, a right upper connecting rod, a right lower connecting rod, a right connecting shaft, right positioning holes and right locking bolts; the left connecting shaft rear end is penetrated into the left positioning holes with different heights and locked through the left locking bolt, the left waist support can be installed at the positions with different heights on the left part of the leaning part, and the right connecting shaft rear end is penetrated into the right positioning holes with different heights and locked through the right locking bolt in the same way, so that the right waist support can be installed at the positions with different heights on the right part of the leaning part.

According to the utility model, the front end of the left connecting shaft is fixedly provided with a left compression spring horizontally arranged along the front-back direction, the front end of the left compression spring is abutted against the corresponding position of the rear side surface of the left waist support, the front end of the right connecting shaft is fixedly provided with a right compression spring horizontally arranged along the front-back direction, and the front end of the right compression spring is abutted against the corresponding position of the rear side surface of the right waist support; the arrangement of the left compression spring can improve the connection stability between the left waist support and the left part of the leaning part, and the arrangement of the right compression spring can improve the connection stability between the right waist support and the right part of the leaning part.

In the utility model, the left part and the right part of the bottom surface of the cushion part are symmetrically provided with supporting and positioning feet; the arrangement of the supporting and positioning feet can prevent the posture correcting cushion from shaking left and right when a user uses the posture correcting cushion.

Drawings

FIG. 1 is a schematic perspective view of a posture correcting cushion of the present utility model;

FIG. 2 is a schematic perspective view of another direction of FIG. 1;

FIG. 3 is an enlarged view of a portion of the left lift adjustment assembly of FIG. 2;

FIG. 4 is a schematic perspective view of another direction of the second left and right foam pads of FIG. 2 after being hidden;

fig. 5 is a schematic perspective view of another direction of fig. 4.

The reference numerals in the drawings illustrate: 1. the cushion comprises a cushion body, 1.1, a cushion part, 1.2, a leaning part, 2, a first sponge cushion, 3, a first arc-shaped bulge, 4, a second arc-shaped bulge, 5, a ventilation groove, 6, a left waist support, 7, a second left sponge cushion, 8, a left diversion trench, 9, a right waist support, 10, a second right sponge cushion, 11, a right diversion trench, 12, a first supporting plate, 13, a left vent hole, 14, a right vent hole, 15, a second left supporting plate, 16, a second right supporting plate, 17, a left supporting seat, 18, a left upper connecting rod, 19, a left lower connecting rod, 20, a left connecting shaft, 21, a left positioning hole, 22, a left locking bolt, 23, a right locking bolt, 24, a left compression spring, 25 and a supporting positioning foot.

Detailed Description

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present utility model and are not intended to be limiting.

In the description of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; 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 utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

As shown in fig. 1 and 4, a gesture correcting cushion comprises a cushion body 1, the cushion body 1 is made of hard materials, the cushion body 1 comprises a cushion part 1.1 and a leaning part 1.2, the section of the cushion part 1.1 is wavy, a first sponge cushion 2 is fixed on the top surface of the cushion part 1.1, the left edge and the right edge of the first sponge cushion 2 are symmetrically provided with first arc-shaped bulges 3 protruding upwards, the two first arc-shaped bulges 3 are matched for limiting arms, the front edge of the first sponge cushion 2 is provided with second arc-shaped bulges 4 protruding upwards and used for supporting legs, a plurality of ventilation grooves 5 which are not communicated are formed in the first sponge cushion 2, a waist supporting part is arranged on the front side of the leaning part 1.2 and used for supporting the back, and the waist supporting part is adjusted to move up and down relative to the leaning part 1.2 through a lifting adjusting part. After the user sits on the first foam-rubber cushion 2, the left arc-shaped bulge 3 and the right arc-shaped bulge are matched to effectively limit the arms of the user, so that the user in a tired state can still keep a correct sitting posture, and further the wrong sitting posture of the user in a tired state can be effectively prevented, the user with lower height can downwards move to a proper position through the lifting adjusting part, the back can completely lean on the waist supporting part after sitting on the first foam-rubber cushion 2, the back can upwards move to a proper position through the lifting adjusting part, the user with higher height can completely lean on the waist supporting part after sitting on the first foam-rubber cushion 2, and therefore the use effect of the cushion with higher height is better for the user with lower waist and higher height, and the ventilation cushion with ventilation function is achieved through the arrangement of the grooves 5 on the first foam-rubber cushion 2.

In one embodiment, as shown in fig. 1 and 2, the waist support component comprises a left waist support component arranged at the left part of the front side surface of the leaning part 1.2 and a right waist support component arranged at the right part of the front side surface of the leaning part 1.2, the left waist support component and the right waist support component are symmetrically arranged left and right, the lifting adjustment component comprises a left lifting adjustment component and a right lifting adjustment component, the left waist support component adjusts the leaning part 1.2 to move up and down through the left lifting adjustment component, and the right waist support component adjusts the leaning part 1.2 to move up and down through the right lifting adjustment component; the left waist support assembly comprises a left waist support 6, the left waist support 6 is made of hard materials, the left edge and the right edge of the left waist support 6 are both bent forwards, the upper edge and the lower edge of the left waist support 6 are both bent backwards to form a left support part attached to the back, a second left foam-rubber cushion 7 is detachably connected to the front side surface of the left waist support 6, and a plurality of left guide grooves 8 which are communicated are formed in the second left foam-rubber cushion 7; the right waist support component comprises a right waist support 9, a second right foam cushion 10 and a right diversion trench 11. The left waist support assembly is adjusted to be at the mounting height of the left part of the leaning part 1.2 through the left lifting adjusting assembly according to the specific height of a user, the mounting height of the right waist support assembly at the right part of the leaning part 1.2 is adjusted through the right lifting adjusting assembly, after the user sits on the first sponge pad 2, the back of the user is completely leaned on the left waist support assembly and the right waist support assembly, the left waist support 6 and the right waist support 9 are structurally designed to avoid the left and right inclination of the body of the user, the user can keep a good sitting posture, the second left sponge pad 7 is detachably connected with the left waist support 6, so that the second left sponge pad 7 is conveniently detached from the left waist support 6 for cleaning, a plurality of communicated left guide grooves 8 arranged on the second left sponge pad 7 are convenient for cleaning the second left sponge pad 7, the back of the user is difficult to be left on the second left sponge pad 7, the second left sponge pad 7 is easy to dry after the second left sponge pad 7 is cleaned, the second left sponge pad is convenient to be detached from the right sponge pad 10, and the second sponge pad 10 is difficult to be cleaned on the left and right sponge pad 10 is easy to clean after the second sponge pad is convenient to clean.

In one embodiment, as shown in fig. 1, the first foam-rubber cushion 2 is integrally disposed on the top surface of the first support plate 12, the cross section of the first support plate 12 is wavy and is matched with the cushion portion 1.1, the bottom surface of the first support plate 12 is in threaded connection with the top surface of the cushion portion 1.1, and the plurality of ventilation grooves 5 divide the first foam-rubber cushion 2 into a plurality of separate foam-rubber cushions. The provision of the first support plate 12 facilitates the mounting of the first foam cushion 2 on the cushion portion 1.1 and facilitates the provision of a plurality of first ventilation slots 5 in the first foam cushion 2.

In one embodiment, as shown in fig. 2, 4 and 5, the left lumbar support 6 is provided with a plurality of left ventilation holes 13, and the right lumbar support 9 is provided with a plurality of right ventilation holes 14. The arrangement of the left vent hole 13 and the right vent hole 14 enables the back of a user sitting on the posture correcting cushion to be more breathable when the left waist support 6 is not provided with the second left foam cushion 7 and the right waist support 9 is not provided with the second right foam cushion 10.

In one embodiment, as shown in fig. 1, the second left foam-rubber cushion 7 is integrally disposed on the front side surface of the second left support plate 15, the shape and structure of the second left support plate 15 is adapted to those of the left waist support 6, the rear side surface of the second left support plate 15 is detachably connected with the front side surface of the left waist support 6 through a plurality of left buckles, and the plurality of left guide grooves 8 divide the second left foam-rubber cushion 7 into a plurality of separated foam-rubber cushions; the second right foam-rubber cushion 10 is integrally arranged on the front side surface of the second right supporting plate 16, and the rear side surface of the second right supporting plate 16 is detachably connected with the front side surface of the right waist support 9 through a plurality of right buckles. The setting of second left branch fagging 15 is convenient for install second left foam-rubber cushion 7 on left waist holds in the palm 6, and is convenient for set up a plurality of left guiding gutter 8 on second left foam-rubber cushion 7, and the setting of second right branch fagging 16 is convenient for install second right foam-rubber cushion 10 on right waist holds in the palm 9, and is convenient for set up a plurality of right guiding gutter 11 on second right foam-rubber cushion 10.

In one embodiment, as shown in fig. 2 and 3, the left lifting adjusting assembly comprises a left supporting seat 17, the upper end of the left supporting seat 17 is fixedly connected with the upper part of the rear side surface of the left waist support 6 through a left upper connecting rod 18, the lower end of the left supporting seat 17 is fixedly connected with the lower part of the rear side surface of the left waist support 6 through a left lower connecting rod 19, a left connecting shaft 20 horizontally arranged along the front-rear direction is fixedly penetrated in the middle of the left supporting seat 17, a plurality of left positioning holes 21 for the left connecting shaft 20 to penetrate are sequentially arranged at the left part of the leaning part 1.2 from top to bottom, and the rear end of the left connecting shaft 20 penetrates through the corresponding left positioning holes 21 and is locked through a left locking bolt 22; the right lifting adjusting component comprises a right supporting seat, a right upper connecting rod, a right lower connecting rod, a right connecting shaft, a right positioning hole and a right locking bolt 23. The rear end of the left connecting shaft 20 is penetrated into the left positioning holes 21 with different heights and is locked by the left locking bolt 22, the left waist support 6 can be arranged at the positions with different heights on the left part of the leaning part 1.2, and the rear end of the right connecting shaft is penetrated into the right positioning holes with different heights and is locked by the right locking bolt 23, so that the right waist support 9 can be arranged at the positions with different heights on the right part of the leaning part 1.2.

In one embodiment, as shown in fig. 3, the front end of the left connecting shaft 20 is fixed with a left compression spring 24 horizontally arranged along the front-rear direction, and the front end of the left compression spring 24 is abutted against the corresponding position on the rear side surface of the left waist support 6; the front end of the right connecting shaft is fixed with a right compression spring horizontally arranged along the front-back direction, and the front end of the right compression spring is abutted to the corresponding position of the rear side surface of the right waist support 9. The arrangement of the left compression spring 24 can improve the connection stability between the left waist support 6 and the left part of the leaning part 1.2, and the arrangement of the right compression spring can improve the connection stability between the right waist support 9 and the right part of the leaning part 1.2.

In one embodiment, as shown in fig. 5, the left and right parts of the bottom surface of the cushion part 1.1 are symmetrically provided with supporting and positioning feet 25. The arrangement of the supporting and positioning feet 25 can prevent the user from shaking the posture correcting cushion left and right when using the posture correcting cushion.

In conclusion, the posture correcting cushion can effectively limit the arms of the user, and has good use effects for the user with low height and high height.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.

Claims (10)

1. The utility model provides a gesture correction cushion, includes cushion body (1), cushion body (1) include cushion portion (1.1) and lean on portion (1.2), its characterized in that: the utility model discloses a cushion portion, including cushion portion (1.1), support portion (1.2) and support portion, cushion portion (1.1) cross-section is the wave, be fixed with first foam-rubber cushion (2) on cushion portion (1.1) top surface, first foam-rubber cushion (2) left edge and right edge department symmetry are equipped with upwards convex first arc arch (3), two first arc arch (3) cooperation is used for spacing the arm, first foam-rubber cushion (2) front edge department is equipped with upwards convex and is used for setting off second arc arch (4) of shank, be equipped with a plurality of ventilation slots (5) on first foam-rubber cushion (2), lean on portion (1.2) leading flank is equipped with waist holds in the palm the part for support back, waist holds in the palm the part and adjusts relative lean on portion (1.2) reciprocates through lifting adjustment part.

2. A posture correcting cushion according to claim 1, wherein: the waist holds in palm the subassembly including setting up in the left waist that leans on portion (1.2) leading flank left portion holds in the palm the subassembly with set up in the right waist that leans on portion (1.2) leading flank right portion holds in the palm the subassembly, left side waist holds in the palm subassembly and right waist holds in the palm subassembly bilateral symmetry arrangement, lift adjustment subassembly includes left lift adjustment subassembly and right lift adjustment subassembly, left side waist holds in the palm the subassembly and adjusts relative leaning on portion (1.2) reciprocates through left lift adjustment subassembly, right side waist holds in the palm the subassembly and adjusts relative leaning on portion (1.2) reciprocates through right lift adjustment subassembly.

3. A posture correcting cushion according to claim 2, wherein: the left waist support assembly comprises a left waist support (6), the left edge and the right edge of the left waist support (6) are both bent forwards, the upper edge and the lower edge of the left waist support (6) are both bent backwards to form a left support part attached to the back, a second left foam-rubber cushion (7) is detachably connected to the front side surface of the left waist support (6), and a plurality of left guide grooves (8) are formed in the second left foam-rubber cushion (7); the right waist support assembly comprises a right waist support (9), a second right sponge cushion (10) and a right diversion trench (11).

4. A posture correcting cushion according to claim 1, wherein: the utility model discloses a novel air-permeable cushion, including first supporting plate (12), second supporting plate (12), air-permeable groove (5), first foam-rubber cushion (2), second supporting plate (2), first foam-rubber cushion (2) an organic whole sets up on first supporting plate (12) top surface, first supporting plate (12) cross-section is the wave and with cushion portion (1.1) looks adaptation, threaded connection between first supporting plate (12) bottom surface and cushion portion (1.1) top surface, a plurality of air-permeable groove (5) are cut apart first foam-rubber cushion (2) into polylith looks separation foam-rubber cushion.

5. A posture correcting cushion according to claim 3, wherein: the ventilation grooves (5) are not communicated, and the left diversion grooves (8) are communicated; the left waist support (6) is provided with a plurality of left vent holes (13), and the right waist support (9) is provided with a plurality of right vent holes (14).

6. A posture correcting cushion according to claim 3, wherein: the second left foam-rubber cushion (7) is integrally arranged on the front side surface of the second left supporting plate (15), the second left supporting plate (15) is matched with the shape and structure of the left waist support (6), the rear side surface of the second left supporting plate (15) is detachably connected with the front side surface of the left waist support (6), and the plurality of left guide grooves (8) divide the second left foam-rubber cushion (7) into a plurality of separated foam-rubber cushions; the second right foam-rubber cushion (10) is integrally arranged on the front side surface of the second right supporting plate (16), and the rear side surface of the second right supporting plate (16) is detachably connected with the front side surface of the right waist support (9).

7. The posture correcting cushion according to claim 6, wherein: the back side of the second left support plate (15) is detachably connected with the front side of the left waist support (6) through a plurality of left buckles, and the back side of the second right support plate (16) is detachably connected with the front side of the right waist support (9) through a plurality of right buckles.

8. A posture correcting cushion according to claim 3, wherein: the left lifting adjusting assembly comprises a left supporting seat (17), the upper end of the left supporting seat (17) is fixedly connected with the upper part of the rear side surface of the left waist support (6) through a left upper connecting rod (18), the lower end of the left supporting seat (17) is fixedly connected with the lower part of the rear side surface of the left waist support (6) through a left lower connecting rod (19), a left connecting shaft (20) horizontally arranged along the front-rear direction is fixedly arranged in the middle of the left supporting seat (17) in a penetrating manner, a plurality of left positioning holes (21) for the left connecting shaft (20) to penetrate are sequentially arranged at the left part of the leaning part (1.2) from top to bottom, and the rear end of the left connecting shaft (20) penetrates through the corresponding left positioning holes (21) and is locked through a left locking bolt (22); the right lifting adjusting assembly comprises a right supporting seat, a right upper connecting rod, a right lower connecting rod, a right connecting shaft, a right positioning hole and a right locking bolt (23).

9. The posture correcting cushion according to claim 8, wherein: the front end of the left connecting shaft (20) is fixedly provided with a left compression spring (24) horizontally arranged along the front-back direction, and the front end of the left compression spring (24) is abutted to the corresponding position of the rear side surface of the left waist support (6); the front end of the right connecting shaft is fixedly provided with a right compression spring which is horizontally arranged along the front-back direction, and the front end of the right compression spring is abutted to the corresponding position of the rear side surface of the right waist support (9).

10. A posture correcting cushion according to claim 1, wherein: the left part and the right part of the bottom surface of the cushion part (1.1) are symmetrically provided with supporting and positioning feet (25).

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