阅读说明：本技术 软硬度可调的座垫 (Cushion with adjustable hardness ) 是由 高争辉 徐庆 于 2021-09-06 设计创作，主要内容包括：本发明涉及一种软硬度可调的座垫,包括座垫壳体,座垫壳体包括可弹性变形的承坐组合板、承坐板底壳,承坐板底壳上盖设有承坐组合板,承坐组合板上铺设有坐垫,承坐组合板包括承坐前板、承坐后板,承坐前板的后端边沿的中部底面上设有前半安装法兰头,承坐后板的前端边沿的中部底面上设有后半安装法兰头,前半安装法兰头与后半安装法兰头拼合成安装法兰头,安装法兰头的颈部箍设有弹性环形扣件,承坐前板与承坐后板通过弹性环形扣件形成相对位置可调的弹性连接,承坐前板、承坐后板根据承坐重量调节弹性变形的程度。本发明采用具有可弹性变形的分体的承坐组合板的软硬度可调的座垫方案,具有受压后变形均匀,坐感更佳,使用寿命长的特点。(The invention relates to a cushion with adjustable softness, which comprises a cushion shell, wherein the cushion shell comprises an elastically-deformable sitting and supporting combined plate and a sitting and supporting plate bottom shell, the sitting and supporting combined plate is arranged on the sitting and supporting plate bottom shell in a covering manner, a cushion is laid on the sitting and supporting combined plate, the sitting and supporting combined plate comprises a sitting and supporting front plate and a sitting and supporting rear plate, a front half mounting flange head is arranged on the middle bottom surface of the rear end edge of the sitting and supporting front plate, a rear half mounting flange head is arranged on the middle bottom surface of the front end edge of the sitting and supporting rear plate, the front half mounting flange head and the rear half mounting flange head are spliced to form a mounting flange head, an elastic annular fastener is arranged on a neck hoop of the mounting flange head, the sitting and supporting rear plates are in elastic connection with adjustable relative positions through the elastic annular fastener, and the elastic deformation degree of the sitting and supporting front plate and the sitting rear plate is adjusted according to the sitting and weight of the sitting and the cushion. The invention adopts the cushion scheme with adjustable hardness and the split cushion combination board capable of elastic deformation, and has the characteristics of uniform deformation after being pressed, better sitting feeling and long service life.)

1. The seat cushion with adjustable softness is characterized by comprising a seat cushion shell, wherein the seat cushion shell comprises an elastically deformable sitting and supporting combined plate and a sitting and supporting plate bottom shell, the upper cover of the bottom shell of the sitting plate is provided with the sitting combination plate, a cushion is laid on the sitting combination plate, the sitting combination plate comprises a sitting front plate and a sitting rear plate, a front half mounting flange head is arranged on the bottom surface of the middle part of the rear end edge of the sitting front plate, a rear half mounting flange head is arranged on the middle bottom surface of the front end edge of the support rear plate, the front half mounting flange head and the rear half mounting flange head are spliced to form a mounting flange head, the neck hoop of mounting flange head is equipped with elasticity annular fastener, hold and sit the front bezel with hold and sit the back plate and pass through elasticity annular fastener forms relative position adjustable elastic connection, hold and sit the front bezel, hold and sit the back plate and adjust elastic deformation's degree according to holding weight.

2. The cushion with adjustable softness and hardness as claimed in claim 1, wherein the rear end of the sitting front plate is provided with a plurality of slits extending along the radial direction of the front half mounting flange head, and the slits divide the rear ends of the front half mounting flange head and the sitting front plate into a plurality of sitting sub-sheets.

3. The cushion with adjustable softness and hardness as claimed in claim 2, wherein the bottom of the seating segment is provided with an ear-shaped buckle ring, a deformation balance plate is arranged in the ear-shaped buckle ring, and the deformation balance plate balances the pressure-bearing deformation among the seating segments.

4. The cushion with adjustable softness and hardness as claimed in claim 3, wherein the bottom surface of the cushion front plate at both ends of the deformation balance plate passing through the ear-shaped snap ring is provided with a raised limit stop strip, and the limit stop strip defines the position of the deformation balance plate.

5. The cushion with adjustable softness and hardness as claimed in claim 1, wherein the bottom surface of the front edge of the front seat plate is provided with a plurality of raised front plate connecting inner sleeves, the front end of the bottom shell of the seat plate is provided with a plurality of raised front plate connecting outer sleeves, the front plate connecting inner sleeves are inserted into the front plate connecting outer sleeves to form a sleeve joint, and an adjusting spring is connected between the bottom of the front plate connecting inner sleeves and the bottom of the front plate connecting outer sleeves.

6. The cushion with adjustable softness and hardness as claimed in claim 5, wherein the bottom of the front plate connecting outer sleeve is provided with a spring sleeve hollow column, the spring sleeve hollow column is provided with one end sleeved with the adjusting spring, the bottom of the front plate connecting inner sleeve is provided with an internal thread counter bore, and a connecting screw penetrating through a through hole on the top end of the spring sleeve hollow column is in threaded connection with the internal thread counter bore.

7. The cushion with adjustable softness and hardness according to claim 1, wherein a plurality of clamping ear plates are arranged on the edges of two sides of the sitting front plate, and the clamping ear plates and the side edge of the sitting bottom shell form a limiting clamping connection.

8. The cushion with adjustable softness or hardness as claimed in claim 1, wherein the rear end edge of the sitting plate is connected with the rear end edge of the bottom shell of the sitting plate by an elastic hinge.

9. The cushion with adjustable softness and hardness according to claim 1, wherein the elastic ring-shaped fastener is a coil spring, an inner ring end of the coil spring is connected with a neck of the mounting flange head, a coil winding mechanism is arranged in the bottom shell of the seat bearing plate, the coil winding mechanism comprises a mechanism mounting frame, a driving gear and a driven gear which are in meshing transmission are arranged on the mechanism mounting frame, a wheel shaft of the driving gear is connected with an adjusting knob outside the bottom shell of the seat bearing plate, the driven gear is coaxially connected with a pull rope reel through a rubber clutch sheet, a pull rope is wound on the pull rope reel and is connected with an outer ring end of the coil spring, and a tightening radius of the coil spring is adjusted by adjusting the tightness of the pull rope.

Technical Field

The invention relates to a seat cushion, in particular to a seat cushion with adjustable hardness, and belongs to the field of household seats or automobile seats.

Background

The seat cushion is a movable cushion used on a seat and is divided into an indoor seat cushion and an outdoor seat cushion, wherein the indoor seat cushion is mainly used for a household seat, the outdoor seat cushion is mainly used for an automobile seat and is an accessory of the seat, and the seat cushion used on a vehicle is usually provided with a lacing. The existing seat cushion is shown in fig. 1 of the attached drawings of the specification, and generally comprises a sponge seat cushion A, a spoke type seat inner shell B and a base outer shell C, wherein the appearance structure of the spoke type seat inner shell adopts an integrated whole plate, and the spoke type seat inner shell is generally fixedly connected with the base outer shell, so that the problems of insufficient comfort, permanent deformation and short service life of a sitting feeling due to uneven stress deformation of the spoke type seat inner shell in the using process can be caused, and particularly the problem that the fixed and unadjustable structure at the front edge of the seat cushion can cause the situation that a user has a thigh in the using process can be caused. Simultaneously, fixed connection modes such as the spoke type seat inner shell directly uses screwed connection with the base outer shell, can reduce the regulation effect of seatpad.

Disclosure of Invention

The invention discloses a novel scheme for a cushion with adjustable softness, which adopts a scheme for a cushion with adjustable softness of a split cushion combined plate capable of elastically deforming, and solves the problems of poor sitting feeling and shortened service life caused by uneven deformation of the existing similar products after being pressed.

The invention relates to a seat cushion with adjustable softness, which comprises a seat cushion shell, wherein the seat cushion shell comprises an elastically-deformable seat combination board and a seat cushion board bottom shell, the seat cushion board bottom shell is covered with the seat combination board, a seat cushion is laid on the seat combination board, the seat combination board comprises a seat front board and a seat rear board, a front half mounting flange head is arranged on the middle bottom surface of the rear end edge of the seat front board, a rear half mounting flange is arranged on the middle bottom surface of the front end edge of the seat rear board, the front half mounting flange head and the rear half mounting flange are spliced into a mounting flange head, an elastic annular fastener is arranged on a neck hoop of the mounting flange head, the seat front board and the seat rear board form elastic connection with adjustable relative positions through the elastic annular fastener, and the seat front board and the seat rear board adjust the degree of elastic deformation according to the seat cushion weight.

Furthermore, the rear end of the front plate of the sitting plate is provided with a plurality of gaps extending along the radial direction of the front half installation flange head, and the gaps separate the front half installation flange head and the rear end of the sitting front plate into a plurality of sitting sub-plates.

Furthermore, the bottom of the bearing and seating sub-piece is provided with an ear-shaped buckle, a deformation balance plate is arranged in the ear-shaped buckle in a penetrating mode, and the deformation balance plate balances the bearing deformation among the bearing and seating sub-pieces.

Still further, the bottom surface of the cushion front plate at the two ends of the deformation balance plate penetrating through the ear-shaped retaining ring is provided with a raised limiting barrier strip, and the position of the deformation balance plate is limited by the limiting barrier strip.

Further, the bottom surface at the front end border of this scheme of holding seat front bezel is equipped with a plurality of bellied front bezel and connects interior axle sleeve, and the front end in holding seat bottom shell is equipped with a plurality of bellied front bezels and connects outer axle sleeve, and front bezel connection interior axle sleeve inserts the front bezel and connects outer axle sleeve formation and cup joint, and the bottom in the interior axle sleeve of front bezel connection links to be equipped with regulating spring with the bottom in the outer axle sleeve of front bezel connection within a definite time.

Furthermore, the bottom in the outer axle sleeve of front bezel connection of this scheme is equipped with the spring and cup joints hollow post, and the spring cup joints the one end that is equipped with adjusting spring on the hollow post, and the bottom in the axle sleeve is equipped with the internal thread counter bore in the front bezel connection, and the connecting screw that the clearing hole on the top of the hollow post penetrated from the spring cup joints forms threaded connection with the internal thread counter bore.

Furthermore, the both sides border of the seat front bezel of this scheme is equipped with a plurality of joint otic placodes, and the joint otic placode forms spacing joint with the side of bearing the seat board drain pan.

Furthermore, the rear end edge of the sitting plate back plate is connected with the rear end edge of the sitting plate bottom shell through an elastic hinge.

Further, the elasticity annular fastener of this scheme is the wind spring, the inner ring end of wind spring is connected with the neck of installation flange head, be equipped with winding mechanism in the cushion board chassis, winding mechanism includes the mechanism mounting bracket, be equipped with on the mechanism mounting bracket and form the driven driving gear of meshing, driven gear, the shaft of driving gear is connected with the outside adjust knob of cushion board chassis, driven gear passes through rubber clutch piece and stay cord reel coaxial coupling, around being equipped with the stay cord on the stay cord reel, the stay cord is connected with the outer loop end of wind spring, adjust the radius that tightens up of wind spring through the elasticity of adjusting the stay cord.

The cushion with adjustable softness adopts a cushion scheme with adjustable softness of the split cushion composite board capable of elastic deformation, and has the characteristics of uniform deformation after being pressed, better sitting feeling and long service life.

Drawings

Fig. 1 is a disassembled view of a conventional seat cushion.

Fig. 2 is a schematic view of a seat cushion with adjustable softness.

Fig. 3 is a disassembled view of the seat cushion with adjustable softness.

Figure 4 is a schematic view of the top of the sitting front plate.

Figure 5 is a schematic view of the bottom of the sitting front plate.

Figure 6 is a schematic view of the top of the sitting back plate.

Figure 7 is a schematic view of the bottom of the sitting back plate.

Figure 8 is a schematic view of the bottom of the landing nest plate.

FIG. 9 is a schematic view of an example coil spring of an elastic loop fastener.

FIG. 10 is a schematic view of the seat pan bottom shell.

Fig. 11 is a partially enlarged and disassembled schematic view of the wire winding mechanism in fig. 3.

Fig. 12 is a schematic cross-sectional view of the seat cushion housing.

Wherein A is a sponge cushion, B is a spoke type seat inner shell, C is a base outer shell,

the cushion comprises a cushion 1, a cushion front plate 2, an elastic hinge 3, an adjusting spring 4, a cushion bottom shell 5, a connecting screw 6, an adjusting knob 7, a winding mechanism 8, a deformation balance plate 9, an elastic annular fastener 10, a cushion rear plate 11, a front half mounting flange head 12, a gap 13, an ear-shaped buckle 14, a limiting stop strip 15, a front plate connecting inner shaft sleeve 16, a front plate connecting outer shaft sleeve 17, a clamping ear plate 18, a rear half mounting flange 19, a mechanism mounting rack 20, a driving gear 21, a driven gear 22, a rubber mounting flange 23, a reel pulling rope 24 and a pulling rope 25.

Detailed Description

As shown in fig. 2 to 9, the seat cushion with adjustable softness comprises a seat cushion shell, wherein the seat cushion shell comprises an elastically deformable seat-bearing combined plate and a seat-bearing plate bottom shell, the seat-bearing combined plate is arranged on the seat-bearing plate bottom shell in a covering manner, a seat cushion is laid on the seat-bearing combined plate, the seat-bearing combined plate comprises a seat-bearing front plate and a seat-bearing rear plate, a front half mounting flange head is arranged on the middle bottom surface of the rear end edge of the seat-bearing front plate, a rear half mounting flange head is arranged on the middle bottom surface of the front end edge of the seat-bearing rear plate, the front half mounting flange head and the rear half mounting flange head are spliced to form a mounting flange head, an elastic annular fastener is arranged on a neck hoop of the mounting flange head, the seat-bearing front plate and the seat-bearing rear plate form elastic connection with adjustable relative positions through the elastic annular fastener, and the elastic deformation degree of the seat-bearing front plate and the seat-bearing rear plate can adjust the elastic deformation degree according to the seat-bearing weight.

Above-mentioned scheme adopts the cushion scheme that the soft or hard degree of the cushion that holds of the components of a whole that can function independently of elastic deformation compoboard is adjustable, utilizes elasticity annular fastener, for example, the wind spring, through the front and back amalgamation installation flange head with the seat front bezel of components of a whole that can function independently, hold back plate elastic connection constraint, form and to hold the seat compoboard structure that can warp according to the pressure-bearing state is nimble, compare the like product of current integrative whole plate structure, it experiences to show the seat sense that has improved the user, it is even to warp after the pressurized, improved the life of product.

Based on the above scheme, in order to further improve the structural performance of the bearing and seating combined plate for resisting compression deformation, as shown in fig. 4 and 5, the rear end of the bearing and seating front plate of the scheme is provided with a plurality of gaps extending along the radial direction of the front half mounting flange head, and the gaps divide the front half mounting flange head and the rear end of the bearing and seating front plate into a plurality of bearing and seating sub-plates. By adopting the structure that the rear end is split into the plurality of fan-shaped sitting sheets, the capability of the sitting front plate for resisting compression deformation is effectively improved, and the condition of instant compression, cracking and damage is avoided. Based on the scheme, in order to balance the pressure borne by the multiple bearing seat sub-sheets respectively when the bearing seat sub-sheets are pressed and avoid the situation that one or more bearing seat sub-sheets excessively deform due to uneven pressing to cause permanent deformation, as shown in fig. 8, the bottom of the bearing seat sub-sheet is provided with an ear-shaped buckle ring, a deformation balance plate penetrates through the ear-shaped buckle ring, and the deformation balance plate balances the pressure bearing deformation among the multiple bearing seat sub-sheets. When the compression degree of one or more of the seating sub-sheets is obviously higher than that of other seating sub-sheets, the deformation balance plate transmits the pressure impact to the other seating sub-sheets with weak compression degree, so that the uniform stress of all the seating sub-sheets is realized, the seating experience of a user is further improved, and the service life of the product is prolonged. In the above scheme, in order to avoid the deformation balance plate from slipping out or moving back and forth from the ear-shaped snap ring, as shown in fig. 5, the bottom surfaces of the seat front plates at the two ends of the deformation balance plate penetrating the ear-shaped snap ring are provided with raised limiting barrier strips, and the limiting barrier strips limit the position of the deformation balance plate.

Experience in order to further improve user's seat, the front end of avoiding the seatpad adopts fixed connection's unadjustable structure, thereby lead to the user to put up the condition of thigh in the use, as shown in fig. 3, 5, 8, 10, 12, be equipped with a plurality of bellied front bezel on the bottom surface at the front end border of the seat front bezel of this scheme and connect the inner shaft cover, the front end of holding in the seat bottom shell is equipped with a plurality of bellied front bezels and connects outer shaft cover, the front bezel is connected inner shaft cover and is inserted the front bezel and connect outer shaft cover formation and cup joint, the bottom in the front bezel is connected inner shaft cover and the front bezel and is connected the bottom in the outer shaft cover and link to be equipped with adjusting spring. Above-mentioned scheme, after the cushion pressurized produces the deformation, the leading edge of cushion also can produce elastic floating through the connected mode that above-mentioned elastic sleeve connects, is showing to have improved user's sitting and feels and is experiencing, has avoided the condition of diaphragm thigh. Based on above scheme, in order to improve elastic socket's stability, avoid the pressure-bearing impact to lead to cup jointing and throw off, as shown in fig. 3, 10, 12, the bottom in the front bezel connection outer axle sleeve of this scheme is equipped with the spring and cup joints hollow post, and the spring cup joints the one end that the cover was equipped with adjusting spring on the hollow post, and the bottom in the axle sleeve is connected to the front bezel is equipped with the internal thread counter bore, and the connecting screw that the clearing hole on the top of hollow post penetrated from the spring cup joints forms threaded connection with the internal thread counter bore.

In order to avoid the cushion pressurized in-process, the cushion front bezel breaks away from the cushion bottom shell, guarantees elastic deformation's feasibility simultaneously, as shown in fig. 4, 5, 8, the both sides border of the cushion front bezel of this scheme is equipped with a plurality of joint otic placodes, and the joint otic placode forms spacing joint with the side of cushion bottom shell. Also, in order to prevent the sitting plate from being separated from the sitting plate bottom case during the compression of the seat cushion and to improve the stability of the elastic deformation and the return performance, as shown in fig. 3, 6, 7, 8 and 12, the rear end edge of the sitting plate is connected with the rear end edge of the sitting plate bottom case through an elastic hinge.

In order to satisfy that seatpad elastic deformation is controllable, the requirement of soft or hard adjustable, as shown in fig. 3, 9, 11, the elasticity annular fastener of this scheme is the wind spring, the inner ring end of wind spring is connected with the neck of installation flange head, be equipped with winding mechanism in the cushion board chassis, winding mechanism includes the mechanism mounting bracket, be equipped with on the mechanism mounting bracket and form the driven driving gear of meshing transmission, driven gear, the shaft and the outside adjust knob of cushion board chassis of driving gear are connected, driven gear passes through rubber clutch piece and stay cord reel coaxial coupling, around being equipped with the stay cord on the stay cord reel, the stay cord is connected with the outer loop end of wind spring, adjust the radius that tightens up of wind spring through the elasticity of adjusting the stay cord. The degree of elastic deformation of the seat cushion is controlled by controlling the tightening radius of the coil spring, and the softness and hardness of the seat cushion are also adjusted.

The scheme discloses a soft or hard degree adjustable seatpad, has solved current like product atress and has warp inhomogeneous, and the seatpad front end can not adjust and lead to sitting the problem of feeling the influence.

As shown in fig. 2 to 12, the adjusting knob 7 is rotated to rotate the winding mechanism 8 to wind and unwind the pulling rope 25, the elastic ring fastener 10 connected with the pulling rope 25, such as a coil spring, is tightened or loosened, the elastic ring fastener 10 is connected with the sitting front plate 2 and the sitting rear plate 11, when the elastic ring fastener 10 is loosened, the sitting front plate 2 and the sitting rear plate 11 are stressed and spread, the sinking depth of the seat cushion can be relatively deep, at this time, the contact area between the buttocks of the user and the seat cushion 1 is relatively large, the sitting feeling is relatively soft, when the elastic ring fastener 10 is tightened, the sitting front plate 2 and the sitting rear plate 11 are gathered, the allowable sinking depth of the seat cushion is relatively shallow, at this time, the contact area between the buttocks of the user and the seat cushion 1 is relatively small, and the sitting feeling is relatively hard.

Meanwhile, the sitting front plate 2 and the sitting plate bottom shell 5 are connected through the obliquely arranged piston and spring connecting structure, when the elastic annular fastener 10 is tightened, the sitting front plate 2 is controlled by the piston mechanism and cannot slide forwards or move downwards, and the sitting feeling of the front end of the seat cushion is hard at the moment. When the sitting front plate 10 is relaxed, the sitting front plate 2 can move towards the front end, the piston structure can move downwards, and at the moment, the sitting feeling of the front end of the seat cushion can be softened, so that the soft and hard sitting feeling of the front end of the sitting front plate 2 can be adjusted.

The deformation balance plate 9 is arranged on the sitting front plate 2 and is used for connecting the fragments in series to support the weight of a user in the using process of the sitting front plate 2, and the fragments are stressed together and deformed together, so that the fragments can work together, and the sitting feeling is prevented from being influenced by the sudden change of the deformation.

Based on the technical content, compared with the existing similar products, the scheme has the following characteristics: the deformation balance plate 9 and the elastic hinge 3 are added, such as a connecting pin shaft sleeve, two parts are added, in addition, the structure of the sitting panel is different, the sitting panel is disassembled into a front part and a rear part, namely the sitting front plate 2 and the sitting rear plate 11, and the structure of the sitting plate bottom shell 5 is also improved. The effect of the balance plate 9 that warp is mainly to enable each burst of sitting front bezel 2 can atress jointly, and the ability smooth transition that warp between each piece makes whole sitting compoboard atress and warp more even, and elasticity hinge 3 is used for connecting sitting back bezel 11 and sitting panel bottom shell 5, can increase the rotational displacement of sitting back bezel 11 like this in the use, increases the comfort level control range of seatpad. The plunger on the cushion front plate 2 and the sleeve structure on the cushion bottom shell 5 form piston fit, and after the adjusting spring 4 is placed in the middle, the hardness of the front end of the cushion can be adjusted. The stress deformation of the seat cushion is more uniform, the soft and hard adjustment range of the seat cushion is larger, and the problem that the soft and hard cannot be adjusted at the front end of the seat cushion at present is solved.

In addition, the adjusting spring 4 can be replaced by other elastic parts, such as a thick rubber pad, a gas spring and the like, elastic parts such as sponge and the like can be partially filled between the seat combination board and the seat board bottom shell 5 to adjust the soft and hard comfort degree of the seat cushion, and the elastic annular fastener 10 can be a coil spring or a hoop.

The mechanisms, structures, components, and the like disclosed in the present embodiment can be implemented by general and conventional means known in the art, unless otherwise specified. The hardness and softness adjustable seat cushion of the present invention is not limited to the disclosure of the specific embodiments, the technical solutions presented in the embodiments can be extended based on the understanding of those skilled in the art, and the simple alternatives made by those skilled in the art according to the present invention in combination with the common general knowledge also belong to the scope of the present invention.