CN111772404A

CN111772404A - Waist support seat

Info

Publication number: CN111772404A
Application number: CN202010691409.8A
Authority: CN
Inventors: 虞红潮; 阮正富
Original assignee: UE Furniture Co Ltd
Current assignee: UE Furniture Co Ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2020-10-16
Anticipated expiration: 2040-07-17
Also published as: CN111772404B

Abstract

The invention discloses a waist support seat, comprising: the lumbar support unit comprises a support carrier and a lumbar support unit comprising a lumbar top support component, wherein the lumbar top support component is in rotating connection with the support carrier and forms a fulcrum at the rotating connection position, and the lumbar top support component is provided with an inner side area and an outer side area which are respectively arranged at two sides of the fulcrum; when the inner side area is pressed backwards, the outer side area of the waist supporting component is driven to turn outwards; a lumbar clamping member connected to an outer side region of the lumbar top support member and having an open state and a closed state; in the open state, the lumbar clamping member is far away from the inner area and is in an open state; in the closed state, the lumbar clamping member is adjacent the inner region; when the waist clamping member is in an open state and the outer side region is turned outwards, the waist clamping member is driven to rotate towards the center direction of the support carrier and approach each other. The user can select by himself, can press from both sides the waist, also can carry out the package waist or carry on the top of the waist.

Description

Waist support seat

Technical Field

The invention relates to the field of seats, in particular to a waist support seat.

Background

The traditional chair generally has a seat for a human body to sit down, when the human body sits on the seat, the body weight is supported by the seat, the human body physiological structure shows that the spine of the human body bears the upper body of the human body such as the head, the back and the like, and the load is quite large because the lumbar is at the lowest position of the spine, and the junction of the movable section and the fixed section is easier to be damaged. If the sitting posture of the human body is incorrect, the human body is easy to have soreness and backache except for looking mentally, even the spine and the nerve are pressed, and the health is finally affected.

The patent document' 201210211751.9 discloses a chair structure that a person sits on a chair seat, the chair seat moves downwards by gravity, and waist supports at two sides of the chair seat can support the waist of the user to play a role of supporting. However, the seat structure described above still has the following problems:

1. as long as the user sits on the seat, the waist support of both sides must be drawn in and is realized pressing from both sides tightly, and the user can't carry out the self-regulation according to the demand, and when the user need not the waist support and props up user's waist and realize the physiotherapy, the user can not close this function, and the crowd that is suitable for is too narrow, and the general use is lower relatively.

2. The lower part of the cushion is provided with a link mechanism, the cushion is in a suspension shape, and the structure and the material of the cushion are greatly limited in order to ensure the supporting effect.

Disclosure of Invention

In order to solve the above-mentioned technical problems, it is an object of the present invention to provide a lumbar support seat for supporting a user's waist by a lumbar support unit on a support carrier, the lumbar support unit including a lumbar support member rotated by a rearward pressing force, and lumbar clamping members rotated toward a center direction of the support carrier and moved closer to each other, and the lumbar clamping members being rotatable with respect to the lumbar support member to switch between an open state and a closed state; the lumbar support unit has a function of wrapping the waist and pushing the waist when the lumbar clamping member is in the closed state.

The technical scheme adopted by the invention is as follows:

a waist-support seat comprising:

a support carrier directly or indirectly connected to the seat of the chair and in an upright position;

be equipped with the lumbar support unit of two bilateral symmetry on the support carrier, lumbar support unit includes:

the waist top supporting component is rotatably connected with the supporting carrier and forms a fulcrum at the rotating connection position, and the waist top supporting component is provided with an inner side area and an outer side area which are respectively arranged at two sides of the fulcrum; when the inner side area of the waist top support component is subjected to backward extrusion force, the outer side area of the waist top support component is driven to turn outwards;

a lumbar clamping member connected to an outer side region of the lumbar top support member and rotatable relative to the lumbar top support member to switch between an open state and a closed state; when the waist clamping component is in the opening state, the waist clamping component is far away from the inner side area of the waist top supporting component and is in an opening state; in the closed state, the waist clamping member is close to the inner side area of the waist top supporting member or is overlapped with the inner side area of the waist top supporting member;

when the waist clamping member is in an open state and the outer side area of the waist top supporting member is turned outwards, the waist clamping member is driven to rotate towards the center direction of the supporting carrier and approach each other.

In a further scheme, the waist clamping member is of a frame structure, a plurality of through grooves extending in the same direction are formed in the waist clamping member, the corresponding waist supporting member comprises a plurality of back supporting waist pieces arranged at intervals and extending in the same direction, two adjacent back supporting waist pieces are connected through a connecting piece, the back supporting waist pieces correspond to the through grooves one to one, and when the waist clamping member is in a closed state, at least one part of the back supporting waist pieces are located in the corresponding through grooves or are exposed out of the through grooves forwards. When the user does not use waist clamping member centre gripping waist, when the user rides, the back only can push up the waist piece laminating with the back, and can not contact with waist clamping member to this reduces the unsmooth sense of user's back contact surface, improves user's use comfort.

In a further aspect, the through slots and the back top waist panel both extend in the transverse direction.

In a further aspect, when the waist clamping member is in the closed state, the back top waist panel penetrates the through groove forward or the front end surface of the back top waist panel is exposed to the notch of the through groove forward.

In a further scheme, the connecting pieces are positioned on the back surfaces of the back top waist pieces, and avoidance grooves are formed in the connecting pieces positioned between every two adjacent back top waist pieces along the width direction of the connecting pieces; the position that lies in between two adjacent logical grooves on the waist clamping component constitutes the rib, when the waist clamping component is in the closure state, the rib is in dodge the inslot, accomodate the rib, avoid forming the interference.

In a further scheme, the connecting piece adopts a single connecting piece, and the avoiding groove is formed by bending the connecting piece backwards.

In a further aspect, the lumbar top support member is hinged to the lumbar clamping member to enable the lumbar clamping member to rotate relative to the lumbar top support member, and a first limiting member for limiting a rotation angle of the lumbar clamping member relative to the lumbar top support member beyond a preset range is disposed at the hinge of the lumbar clamping member and the lumbar top support member.

In a further scheme, the waist supporting member is provided with a first fixing member, the waist clamping member is provided with a first rotating member, and a pin shaft penetrates through the first rotating member and the first fixing member to realize relative rotation; the first limiting part is a screw, the screw is in threaded connection with the waist top support component and is used for limiting, one end of the screw abuts against the waist clamping component, or the screw is in threaded connection with the waist clamping component and is used for limiting, and one end of the screw abuts against the waist top support component. The user can be according to the size of self size of body, independently turn round the screw, and the adjusting screw surpasss the length of first mounting, realizes then that waist presss from both sides tight component for the spacing turned angle's of waist shore component regulation for this seat is applicable to the user of each size.

In a further aspect, the lumbar top support member is provided with a second limiting member at the fulcrum for limiting a rotation angle of the lumbar top support member relative to the support carrier to exceed a preset range.

In a further aspect, the lumbar top support member is an elastic material, and when the lumbar top support member is subjected to a rearward squeezing force, the lumbar top support member extends in a longitudinal direction along the support carrier. Make waist top stay component and user's back closely laminate, the comfort level is higher, and at waist top stay component along the in-process that supports the carrier and extend in longitudinal direction, give user's back a power opposite with gravity direction, also played the effect of bearing to the user, alleviate the lumbar vertebrae atress.

In a further aspect, at least one of the upper and lower ends of the lumbar support member is slidably connected to the support carrier in the longitudinal direction.

In a further aspect, the upper end of the lumbar top support member is slidably and pivotally connected to the support carrier, and the lower end of the lumbar top support member is rotatably connected to the support carrier and remains fixed relative thereto in the longitudinal direction.

In a further scheme, the upper part of the support carrier is in sliding connection with the upper end of the lumbar top support member by adopting a sliding mechanism; the sliding mechanism comprises an upper supporting block and an upper sliding groove, the upper end of the waist supporting component is connected with the upper supporting block in a pivoting manner, and the upper supporting block is clamped in the sliding groove and is connected with the sliding groove in a sliding manner.

In a further scheme, the lower part of the supporting carrier and the lower end of the waist top supporting component are respectively provided with a lower supporting block and a third rotating part, and a rotating shaft penetrates through the lower supporting block and the third rotating part to realize relative rotation.

In a further scheme, a first elastic piece is arranged between the waist top support component and the support carrier, and when the inner side region of the waist top support component loses the backward external force action, the first elastic piece drives the waist top support component to reset.

In a further aspect, the two lumbar top support members are connected by a second elastic member, and the second elastic member is integrally formed with the lumbar top support member. Therefore, the two waist top supporting members are connected together, so that the installation is convenient, and the linkage is convenient.

In a further scheme, two waist top support members are connected by at least one connecting rod, and two ends of the connecting rod are respectively and rotatably connected with one waist top support member.

In a further aspect, the lumbar clamping member is flared and extends forward in the open state, and the lumbar clamping member has a length in the fore-and-aft direction of 8cm to 30 cm. Still further preferably, the length of the waist clamping member is set to be 15-25cm, so that the waist clamping member can be positioned at the left side and the right side of the waist of the human body, namely, enough length can be provided to cover the waist side part of the human body, the contact area between the waist clamping member and the waist side of the human body is increased, and a sufficient clamping effect is achieved.

Advantageous effects

1. Through setting up lumbar support unit on being in the support carrier of seat support rear top, rather than driving lumbar support unit through the seat support, the seat support below is not provided with the link mechanism who is used for driving lumbar support unit, and the seat support is direct to be connected with the chassis of lower part and supports for the user can select the materials and the shape size of seat support according to the hobby.

2. The waist top support component is rotatably connected with the support carrier through a fulcrum, and the waist top support component is provided with an inner side area and an outer side area which are respectively arranged at two sides of the fulcrum; when the inner side area of the waist top support component is subjected to backward extrusion force, the outer side area of the waist top support component is driven to turn outwards; the waist of rotation centre gripping user through waist top stay component exerts certain effort to the waist, just also forms to pack to human waist both sides, plays the effect of top waist, package waist, makes to lean on and feels more comfortable.

3. When the waist clamping member is in an open state and the outer side area of the waist top supporting member is turned outwards, the waist clamping member is driven to rotate towards the center direction of the supporting carrier and approach each other so as to clamp two sides of the waist of a user and generate the function of clamping the waist, so that a supporting force is provided for the waist of the user to promote the waist of the user to keep upright; furthermore, when the waist supporting member is pressed backwards, the waist supporting member extends along the longitudinal direction of the supporting carrier, namely the waist clamping member moves upwards, the waist of the human body is attached to the waist clamping member, the waist clamping member can apply an upward supporting acting force to the waist of the human body, and the upward supporting acting force is partially offset with the self gravity of the user, so that the effects of relieving the stress of the lumbar vertebra and relieving the strain of the lumbar vertebra are achieved; meanwhile, the waist supporting component rotates horizontally around the rotating fulcrum after being pressed by the waist of the human body, and the inner side areas of the waist supporting component move backwards respectively, so that the left waist supporting component and the right waist supporting component are driven to draw close to the waist of the human body and exert certain acting force on the waist; when the human body consciously wants to leave, the waist supporting component can gradually reset after the stress is reduced, and the waist clamping component is driven to be separated from the waist until the waist clamping component returns to the original position.

4. The waist clamping member can rotate relative to the waist top supporting member to realize the switching between an open state and a closed state, and when a user needs to clamp the waist, the waist clamping member is rotated to be in the open state, so that the waist clamping function is realized when the waist clamping member is used; when the user does not need to clamp the waist, the waist clamping member is in a closed state, the waist supporting and wrapping functions can be achieved at the moment, and the user can select the waist according to the needs of the user.

Drawings

FIG. 1 is a schematic view showing a configuration of a lumbar support seat in which a lumbar clamp member is closed in embodiment 1;

FIG. 2 is a schematic view showing the configuration of the lumbar support seat of embodiment 1 with the lumbar clamping member in an open state;

FIG. 3 is a schematic view of the lumbar support seat of embodiment 1 from a back perspective with the lumbar clamping member in a closed state;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a schematic structural view of a waist supporting member in embodiment 1;

FIG. 6 is a comparison between the front and rear waist brace members of example 1;

FIG. 7 is a schematic structural view of a waist portion clamping member in embodiment 1;

FIG. 8 is a plan view of the lumbar support seat of embodiment 1 with the lumbar clamping member in an open state and unclamped;

FIG. 9 is a plan view of the lumbar support seat of embodiment 1 held with the lumbar clamping member in an open state;

FIG. 10 is a schematic view and a partially enlarged view of the lumbar support seat of embodiment 1 from another perspective with the lumbar clamping member in a closed state;

FIG. 11 is a schematic view showing the configuration of the lumbar support seat of embodiment 2 with the lumbar clamping member in a closed state;

fig. 12 is an overall schematic view of the waist support seat of embodiment 1.

The reference numerals in the schematic drawings illustrate:

1-support carrier, 2-lumbar support unit, 21-lumbar support member, 211-medial region, 212-lateral region, 213-lumbar plate, 214-connecting member, 2141-avoidance groove, 22-lumbar clamping member, 221-through groove, 222-rib, 3-first fixing member, 4-first rotating member, 5-first limiting member, 6-second fixing member, 7-second rotating member, 8-second limiting member, 9-pin shaft, 10-sliding mechanism, 101-upper support block, 102-upper sliding groove, 11-first elastic member, 12-second elastic member, 13-seat, back support 30, chassis 31.

Detailed Description

For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The description of the invention with respect to orientation is based on the seat being described in normal use.

Example 1: referring to fig. 1-10, the present embodiment provides a waist support chair, which includes a support carrier 1 directly or indirectly connected to a chair seat of the chair and in an upright state; the supporting carrier 1 can be a back support, the lower end of the back support is directly connected to the chair seat, and the supporting carrier can also be connected to a chassis below the chair seat; of course, the support carrier 1 can also be a backrest, which can be connected directly to the seat or can be connected to the seat by a separately provided back support.

In the present embodiment, the support carrier 1 is a backrest, which is connected to the bottom plate 31 of the seat 13 by a back support 30, as shown in fig. 12, to perform a tilting movement of the backrest; more specifically, the backrest is divided into an upper backrest 1a and a lower backrest 1b, and two lumbar support units 2 are provided on the lower backrest 1b in bilateral symmetry. In the present solution, the lumbar support unit 2 includes a lumbar top support member 21 and a lumbar clamping member 22. As shown in fig. 1, 3 and 4, the lumbar support member 21 is pivotally connected to the lower back 1b of the support carrier 1, and a fulcrum 20 is formed at the pivotal connection. Specifically, the waist supporting member 21 is provided with a second rotating member 7 at the pivot 20, the back support 1 is provided with a second fixing member 6, and the second rotating member 7 and the second fixing member 6 are provided with a pin shaft 9 through to realize relative rotation.

Meanwhile, the waist top support member 21 has an inner region 211 and an outer region 212 respectively arranged at the left and right sides of the fulcrum 20, namely, the middle is inner and the two sides are outer along the width direction of the seat 13; the lumbar clamping member 22 is hinged with the outer side region 212 of the lumbar top support member 21 to enable the lumbar clamping member 22 itself to rotate relative to the lumbar top support member 21. The length of the waist clamping member is set to 15-25cm in the horizontal direction, i.e., the lateral direction, which is sufficient to hold the waist side portion of the human body.

Specifically, as shown in fig. 5 and 7, the first fixing part 3 is disposed in the outer region 212 of the waist top supporting member 21, the first rotating part 4 is disposed on the waist clamping member 22, and the pin 9 penetrates through the first rotating part 4 and the first fixing part 3 to realize relative rotation, so that the waist clamping member 22 can rotate relative to the waist top supporting member 21 to realize the switching between the open state and the closed state. More specifically, the first fixing member 3 is two parallel clamping pieces, the first rotating member 4 is a rotating block, the rotating block is located between the two parallel clamping pieces, and a pin shaft 9 penetrates through the rotating block to realize relative rotation. In this embodiment, in the open state, as shown in fig. 2, the lumbar clamping member 22 is opened away from the inner region 211 of the lumbar support member 21. In the closed state, as shown in fig. 1, the waist pinching member 22 is close to the inner region 211 of the waist top supporting member 21 or overlaps with the inner region 211 of the waist top supporting member 21.

As shown in fig. 9, in the front-rear direction of the seat 13, the front of the seat 13 is outward, and the rear of the seat 13 is inward; when the user leans against the seat, the support carrier 1, i.e., the backrest, is subjected to a force, and the inner side region 211 of the lumbar support member 21 is subjected to a force, which presses inward, i.e., rearward, to turn the outer side region 212 of the lumbar support member 21 outward. When the lumbar clamping member 22 is in the open state and the outer region 212 of the lumbar support member 21 is flipped outward, the outer region 212 of the lumbar support member 21 brings the lumbar clamping member 22 to rotate toward the center of the support carrier 1, i.e., the backrest, and to approach each other.

When the user leans against the backrest, the backrest is stressed, that is, the inner side region 211 of the lumbar support member 21 is pressed backwards, and the lumbar support member 21 is turned over to support the waist of the user in a folded manner. Meanwhile, the waist top support member 21 drives the waist top support members 21 with both sides in the open state to rotate towards the center direction of the support carrier 1, so as to clamp the waist on both sides of the user, thereby playing a role of waist clamping.

In addition, in the chair in the scheme, the waist supporting member 21 on the supporting carrier 1 drives the waist clamping member 22 to rotate, the sitting part, namely the chair seat 13, does not need to be added with other transmission mechanisms, the chair seat 13 is directly connected with the chassis at the lower part for supporting, the chair seat 13 comprises a seat board and a seat cushion above the seat board, and the seat cushion can be selected to have any material and shape and size according to the preference of a user.

As a preferred embodiment, the lumbar clamping member 22 is of a frame-type construction, as shown in fig. 7. Specifically, in the present embodiment, the lumbar clamping member 22 comprises a rectangular plate material, but it is understood that the specific shape thereof is not limited thereto, and may be circular, oval, or the like. The rectangular plate is provided with a plurality of through grooves 221 extending along the same direction.

Correspondingly, as shown in fig. 5, the lumbar support member 21 includes a plurality of back top waist panels 213 disposed at intervals and extending along the same direction, two adjacent back top waist panels 213 are connected by a connecting member 214, and the back top waist panels 213 correspond to the through slots 221. When the waist gripping member 22 is in the closed state, at least a part of the back top waist panel 213 is positioned in the corresponding through groove 221 or exposed forward from the through groove 221, and the through groove 221 functions as a relief. If the back top waist panel 213 is located in the corresponding through slot 221, the back top waist panel 213 can be used together with the waist clamping member 22 for the user to ride on to receive the pressure of the user. If the back top waist panel 213 is exposed forward of the through groove 221, the back of the user will only fit the back top waist panel 213 and will not contact the waist grip member 22 when the user is leaning on the back, thereby reducing the uneven feeling of the user's back contact surface. The use comfort of the user is improved.

In the present embodiment, as shown in fig. 1, 10, and 11, when the waist gripping member 22 is in the closed state, the back top waist panel 213 is exposed forward through the through-groove 221 or the front end surface of the back top waist panel 213 is exposed forward to the notch of the through-groove 221. Further, in order to avoid interference between the waist clamping member 22 and the waist supporting member 21, the connecting member 214 is located on the back surface of the back top waist piece 213, and the connecting members 214 located between two adjacent back top waist pieces 213 are each provided with an escape groove 2141 along the width direction thereof. The portion of the waist clamping member 22 between the adjacent through grooves 221 forms a rib 222, and when the waist clamping member 22 is in the closed state, the rib 222 is located in the escape groove 2141. And in order to form the escape groove 2141, the connection member 214 is a single connection member 214, and the escape groove 2141 is formed by bending the connection member 214 backward. In this embodiment, the through-groove 221 and the back top waist panel 213 extend in the transverse direction. However, it is also possible that both the through slots 221 and the back top waist panel 213 extend in the longitudinal direction.

In this embodiment, as shown in fig. 4 and 5, in order to prevent the user from rotating the waist clamping member 22 so that the waist clamping member 22 rotates relative to the waist top supporting member 21 beyond the stroke range, a first limiting member 5 for limiting the rotation angle of the waist clamping member 22 relative to the waist top supporting member 21 beyond a preset range is provided at the hinge joint of the waist clamping member 22 and the waist top supporting member 21.

In a preferred embodiment, the first position-limiting member 5 in this embodiment is a screw, which is screwed to the connecting member 214, and one end of the screw abuts against the lumbar clamping member 22 during position-limiting, specifically, the first rotating member 4 of the lumbar clamping member 22. When the waist clamping member 22 rotates to a designated angle relative to the waist top support member 21, one end of the screw abuts against the waist clamping member 22 to achieve a limit. And the user can be according to the size of self size, independently turn round the screw, and the adjusting screw surpasss the length of first mounting 3, realizes then that waist clamping member 22 is for the spacing turned angle's of waist shore member 21 regulation for this seat is applicable to the user of each size. Although the screw is screwed to the connector 214 in this embodiment, the screw may be screwed to the lumbar clamping member 22 and one end of the screw may abut against the lumbar support member 21. And it is easy to understand that although the present embodiment adopts a screw as the first limiting member 5, it is easy to understand that other limiting members in the prior art, such as a ratchet mechanism, can also be adopted under the condition of ensuring that the rotation angle of the waist clamping member 22 relative to the waist supporting member 21 does not exceed the preset range.

Similarly, the waist top support member 21 is provided with a second limiting part 8 at the fulcrum 20 for limiting the rotation angle of the waist top support member 21 relative to the support carrier 1 to exceed a preset range; as a specific embodiment, the second position-limiting element 8 is a position-limiting post, which is fixedly disposed on the second rotating element 7, and when the waist top-supporting member 21 rotates to a predetermined limited angle relative to the supporting carrier 1, the position-limiting post abuts against the second fixing element 6 to realize position limitation.

In this embodiment, the waist supporting member 21 is made of an elastic material, and specifically, the waist supporting member 21 is made of plastic. Referring to fig. 6, when no external force is applied, the whole waist supporting member 21 is protruded forward in an arc shape. When the waist supporting member 21 is subjected to a rearward pressing force, the waist supporting member 21 is stretched in the longitudinal direction along the support carrier 1 (i.e., the waist back panel 213 and the connecting member 214 are deformed to be stretched in the longitudinal direction). Make waist top stay component 21 and user's back closely laminate, the comfort level is higher, and in the process that waist top stay component 21 extends at the longitudinal direction along supporting carrier 1, give user's back a power opposite with the gravity direction, also played the effect of certain bearing to the user, alleviated lumbar vertebrae atress.

In order to facilitate the lumbar support member 21 to extend in the longitudinal direction along the back frame 1, in the present embodiment, still further, at least one of the upper and lower ends of the lumbar support member 21 is slidably connected to the support carrier 1 in the longitudinal direction. Specifically, as shown in fig. 10, the upper end of the lumbar top support member 21 is slidably and pivotally connected to the support carrier 1, and the lower end of the lumbar top support member 21 is rotatably connected to the support carrier 1 and is kept relatively fixed to the support carrier 1 in the longitudinal direction. More specifically, the upper portion of the support carrier 1 is slidably connected to the upper end of the lumbar support member 21 by a sliding mechanism 10. The sliding mechanism 10 includes an upper support block 101 and an upper chute 102, the upper end of the lumbar support member 21 is pivotally connected to the upper support block 101 to form the pivot 20, and the upper support block 101 is clamped in the upper chute 102 and is slidably connected to the upper chute 102. Meanwhile, the lower part of the support carrier 1 and the lower end of the waist top support member 21 are respectively provided with a lower support block and a third rotating part, and a rotating shaft penetrates through the lower support block and the third rotating part to realize relative rotation. In this embodiment, the lower supporting block and the third rotating member are the second fixing member 6 and the second rotating member 7. When the waist supporting member 21 is subjected to a force of pressing backward, the upper stay 101 slides upward relative to the upper slide groove 102, and the lower stay and the third rotating member have a rotating shaft penetrating therethrough to realize relative rotation, but remain stationary in the longitudinal direction. Thereby, the lumbar support member 21 is stretched in the longitudinal direction along the back bracket 1.

Easy understanding, the user normally sits on the seat, and user's lumbar vertebrae strain can be caused after taking for a long time to its lumbar vertebrae atress, and through the waist of 21 centre gripping users of waist shore member in this scheme, applys certain clamping-force in waist department, waist shore member 21 extends at longitudinal direction along supporting the carrier, and waist clamping member can rebound promptly, and human waist is pasting waist clamping member, and waist clamping member can apply an ascending supporting force to human waist, offsets with user self gravity part, plays and alleviates the lumbar vertebrae atress, alleviates the effect of lumbar vertebrae strain. Similarly, the waist top supporting member 21 rotates towards the center of the supporting carrier 1 to clamp the waist at the two sides of the user, and also provides an upward supporting force for the waist of the patient, so as to relieve the stress of the lumbar.

Meanwhile, when the user does not need the lumbar grip, the seat only needs to rotate the lumbar clamping member 22 so that the lumbar clamping member 22 coincides with the inner side region 211 of the lumbar top support member 21. Can adjust by oneself according to user's demand, convenient and fast, the suitability is high.

As shown in fig. 4, a first elastic element 11 is further disposed between the waist top supporting member 21 and the back frame 1, and when the inner side region 211 of the waist top supporting member 21 loses the action of the backward external force, the first elastic element 11 drives the waist top supporting member 21 to return. In a specific embodiment, the first elastic element 11 is a torsion spring, the torsion spring is sleeved on the pin 9 between the second fixing element 6 and the second rotating element 7, and two ends of the torsion spring are respectively fixed to the second fixing element 6 and the second rotating element 7. When the waist supporting member 21 rotates relative to the back frame 1, the second fixing member 6 and the second rotating member 7 rotate relative to each other, and the torsion spring is deformed. When the waist top support member 21 loses the external force, the torsion spring rebounds to drive the second fixing piece 6 and the second rotating piece 7 to reset.

Example 2: referring to fig. 11, the main difference between the present embodiment and the above embodiment 1 is that the two waist top supporting members 21 are connected by the second elastic member 12, and the second elastic member 12 and the waist top supporting member 21 are integrally formed.

Example 3: the main difference between this embodiment and the above embodiment 1 is that in this embodiment, the waist top supporting members 21 are connected by at least one link (not shown), and both ends of the link are rotatably connected to one waist top supporting member 21.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.

Claims

1. A waist support seat, comprising:

2. The waist support seat according to claim 1, wherein the waist clamping member is of a frame-type structure, a plurality of through slots extending in the same direction are formed in the waist clamping member, the corresponding waist supporting member comprises a plurality of back top waist pieces spaced apart from each other and extending in the same direction, two adjacent back top waist pieces are connected by a connecting member, the back top waist pieces are in one-to-one correspondence with the through slots, and when the waist clamping member is in the closed state, at least a part of the back top waist pieces are located in the corresponding through slots or are exposed forward from the through slots.

3. The lumbar support seat of claim 2 wherein said channel and back top lumbar panel each extend in a transverse direction.

4. The lumbar support seat according to claim 2, wherein the lumbar clamping member is closed such that the lumbar support panel is forwardly exposed through the through-hole or a front end surface of the lumbar support panel is forwardly exposed to the notch of the through-hole.

5. The waist support seat according to claim 4, wherein the connecting piece is located on the back of the back top waist piece, and avoidance grooves are formed in the connecting piece located between two adjacent back top waist pieces along the width direction of the connecting piece; the position that lies in between two adjacent logical grooves on the waist clamping component constitutes the rib, when the waist clamping component is in the closure state, the rib is in avoid the inslot.

6. The waist support seat according to claim 5, wherein the connecting member is a single connecting member, and the escape groove is formed by bending the connecting member backward.

7. The lumbar support seat according to claim 1, wherein the lumbar support member is hinged to the lumbar clamping member such that the lumbar clamping member is rotatable relative to the lumbar support member, and wherein a first stopper for limiting a rotation angle of the lumbar clamping member relative to the lumbar support member beyond a predetermined range is provided at the point of hinge of the lumbar clamping member and the lumbar support member.

8. The waist support seat according to claim 7, wherein the waist supporting member is provided with a first fixed member, the waist clamping member is provided with a first rotating member, and the first rotating member and the first fixed member are penetrated by a pin shaft to realize relative rotation; the first limiting part is a screw, the screw is in threaded connection with the waist top support component and is used for limiting, one end of the screw abuts against the waist clamping component, or the screw is in threaded connection with the waist clamping component and is used for limiting, and one end of the screw abuts against the waist top support component.

9. The lumbar support seat according to claim 1, wherein the lumbar top support member is provided at the fulcrum with a second stopper for limiting a rotation angle of the lumbar top support member relative to the support carrier beyond a preset range.

10. The waist support seat according to claim 1, wherein the lumbar support member is an elastic material, and wherein the lumbar support member is stretched in a longitudinal direction along the support carrier when the lumbar support member is subjected to a rearward compressive force.

11. The lumbar support seat of claim 10 wherein at least one of the upper and lower ends of the lumbar support member is slidably connected to the support carrier in the longitudinal direction.

12. The lumbar support seat of claim 11 wherein the upper end of the lumbar top support member is slidably and pivotally connected to the support carrier and the lower end of the lumbar top support member is rotatably connected to the support carrier and remains fixed relative thereto in the longitudinal direction.

13. The waist support seat according to claim 12, wherein the upper portion of the support carrier is slidably connected to the upper end of the lumbar support member by a sliding mechanism; the sliding mechanism comprises an upper supporting block and an upper sliding groove, the upper end of the waist supporting component is connected with the upper supporting block in a pivoting manner, and the upper supporting block is clamped in the sliding groove and is connected with the sliding groove in a sliding manner.

14. The waist support seat according to claim 12, wherein the lower portion of the support carrier and the lower end portion of the lumbar support member are provided with a lower support block and a third rotating member, and the lower support block and the third rotating member are provided with a rotating shaft therethrough for relative rotation.

15. The waist support seat according to claim 1, wherein a first elastic member is disposed between the lumbar top support member and the support carrier, and the first elastic member drives the lumbar top support member to return when the inner region of the lumbar top support member loses the external rearward force.

16. The lumbar support seat of claim 1 wherein the two lumbar support members are connected by a second elastic member, the second elastic member being integrally formed with the lumbar support member.

17. The waist support seat according to claim 1, wherein the two waist support members are connected to each other by at least one link, and each of both ends of the link is rotatably connected to one of the waist support members.

18. The lumbar support seat according to claim 1, wherein the lumbar clamping member is in an open state and extends forward, and the lumbar clamping member has a length in the front-rear direction of 8cm to 30 cm.