Body position supporting device, bottom cushion, surrounding cushion and strip-shaped pillow

By designing a flip-up first support and a sliding second support in the body positioning support device, combined with a support rod assembly and a bayonet sliding groove structure, flexible adjustment of the user's upper or lower body is achieved, solving the problem that existing devices cannot be adjusted independently, and improving ease of use and stability.

CN223586204UActive Publication Date: 2025-11-25SHANGHAI CHILDRENS MEDICAL CENT AFFILIATED TO SHANGHAI JIAOTONG UNIV SCHOOL OF MEDICINE +1
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Patent Information

Application Number
CN202422702092.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2025-11-25
Estimated Expiration
2034-11-05

AI Technical Summary

Technical Problem

Existing body support devices cannot individually adjust the support components for the user's upper or lower body, resulting in insufficient ease of use.

Method used

By connecting the first support member to the chassis in a flip-out manner, and combining the design of the support rod assembly and pin holes, the angle of the support member can be flexibly adjusted and locked. The hinge structure between the support rod assembly and the chassis improves the flipping stability. The second support member can be slidably set on the chassis to adjust the length, and the combination of the slide groove and the bayonet realizes the length locking.

Benefits of technology

The device improves the ease of use and stability of the body positioning support device, and can adjust the half-body tilt angle and length according to user needs, thus enhancing the device's applicability and comfort.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a body position supporting device which comprises a bottom cushion, a surrounding cushion and a strip-shaped pillow. The body position supporting device comprises a base plate, a first bearing piece and a second bearing piece. The chassis has a chassis length direction; the first bearing piece and the second bearing piece are arranged on the base plate in the length direction of the base plate. Wherein the first bearing part is used for bearing one of the upper body and the lower body of a target user, and the second bearing part is used for bearing the other one of the upper body and the lower body of the target user; the first bearing piece is connected with the base plate in a turnover mode around the turnover axis. The overturning axis is located at the end, close to the second bearing piece, of the first bearing piece. According to the body position supporting device, the first bearing piece in the bearing pieces used for bearing the body of the target user is connected with the base plate in the turnover mode, under the condition that half-body posture adjustment needs to be carried out, the first bearing piece is turned over to the needed angle, and therefore the use convenience of the body position supporting device is improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of nursing, in particular to a body position support device, a bottom pad, a girdle pad and a strip-shaped pillow. BACKGROUND

[0002] The body position support device usually includes a physiotherapy bed, a physiotherapy chair and the like.

[0003] At present, most of the body position support devices, especially the infant care boxes used for nursing newborns, can adjust the inclination of the bed plate and the like therein. However, these body position support devices can usually only realize the adjustment of the overall inclination of the bed plate. The separate adjustment of the supporting components for supporting the upper body or lower body of the user cannot be realized.

[0004] That is to say, due to the limited adjustment space of the current body position support device, the use convenience of most of the current body position support devices is not high enough. CONTENT OF THE UTILITY MODEL

[0005] The purpose of the present application is to provide a body position support device, a bottom pad, a girdle pad and a strip-shaped pillow, which can improve the use convenience of the body position support device by realizing the angle adjustment of the supporting components for supporting the upper body or lower body of the user.

[0006] The present application provides a body position support device, which comprises a bottom disc, a first supporting component and a second supporting component; the bottom disc has a bottom disc length direction; the first supporting component and the second supporting component are arranged on the bottom disc along the bottom disc length direction; the first supporting component is reversibly connected with the bottom disc around a turning axis; wherein the turning axis is located on one end of the first supporting component close to the second supporting component.

[0007] The above-mentioned body position support device, by reversibly connecting the first supporting component in the supporting component for supporting the body of the target user with the bottom disc, can realize the half-body posture adjustment by turning the first supporting component to the required angle in the case of needing to adjust the half-body posture, thereby improving the use convenience of the body position support device.

[0008] Optionally, the device further comprises a support rod assembly; one end of the support rod assembly is reversibly connected with one end of the bottom disc away from the second supporting component; wherein the rotation axis of the reversible connection is parallel to the turning axis; one end of the first supporting component away from the second supporting component is provided with a pin hole for the insertion of the support rod assembly; one end of the support rod assembly is inserted into the pin hole and can move along the extension direction of the pin hole.

[0009] The body position support device is hinged between the support rod assembly and the base plate, and a pin hole is arranged at one end of the first support away from the second support for the insertion of the support rod assembly. During the process of changing the included angle between the first support and the base plate by turning over, the pin hole slides relative to the support rod assembly, and the support rod assembly changes the angle of inclination based on the hinge with the base plate. The linkage achieved by such a structure improves the stability during the turning over of the first support due to the mutual constraint between the support rod assembly and the pin hole.

[0010] Optionally, the base plate is provided with a waist hole at one end away from the second support; the length direction of the waist hole is not parallel to the length direction of the support rod assembly, the penetrating direction of the waist hole is parallel to the turning over axis; a rotating pin is arranged at one end of the support rod assembly close to the base plate; the length direction of the rotating pin is parallel to the turning over axis, and the diameter of the rotating pin is smaller than the length of the waist hole in the length direction; the rotating pin is located in the waist hole.

[0011] The body position support device is hinged between the support rod assembly and the base plate, and a pin hole is arranged at one end of the first support away from the second support for the insertion of the support rod assembly. During the process of changing the included angle between the first support and the base plate by turning over, the pin hole slides relative to the support rod assembly, and the support rod assembly changes the angle of inclination based on the hinge with the base plate. The linkage achieved by such a structure improves the stability during the turning over of the first support due to the mutual constraint between the support rod assembly and the pin hole.

[0012] Optionally, the inner diameter of the pin hole gradually increases from the first end of the pin hole to the second end of the pin hole; the support rod assembly comprises a support rod, a sleeve and a rolling body; the rolling body is located at the first end of the sleeve and penetrates the cylinder wall of the sleeve; wherein the rolling body can roll on the cylinder wall in the penetrating direction of the pin hole; the diameter of the rolling body is greater than the thickness of the cylinder wall; the support rod penetrates the sleeve, and the first end of the sleeve is inserted into the pin hole from the first end of the pin hole; wherein the inner diameter of the first end of the pin hole matches the outer diameter of the first end of the sleeve, and the difference between the inner diameter of the second end of the pin hole and the outer diameter of the first end of the sleeve is greater than the difference between the diameter of the rolling body and the thickness of the cylinder wall.

[0013] The body position support device uses the pin hole with gradually increasing inner diameter from the first end to the second end, the sleeve, the rolling body and the support rod in combination to realize the locking and unlocking of the angle adjustment of the first support, and also enables the first support to be locked at any angle after turning over, thereby further improving the use convenience of the body position support device.

[0014] Optionally, the support rod assembly further comprises an elastic member; the second end of the sleeve is provided with a flange; the diameter of the flange is greater than the inner diameter of the first end of the pin hole; one end of the elastic member abuts against the flange, and the other end of the elastic member abuts against one side of the first end of the pin hole on the first support member.

[0015] The body position support device described above, by setting an elastic member between the flange of the sleeve and the first support member, makes the movement of the support rod in the sleeve be locked in the natural state, that is, the angle of the first support member is locked. In the case of needing to adjust the angle of the first support member, the locking of the support rod is contacted by applying a force to the flange opposite to the elastic force of the elastic member, so as to adjust the angle of the first support member. The degree of automation of the support rod assembly is further improved, thereby further improving the use convenience of the body position support device.

[0016] Optionally, the second support member is slidably arranged on the chassis; wherein the sliding direction is parallel to the length direction of the chassis.

[0017] The body position support device described above, by slidably arranging the second support member on the chassis, in the process of sliding the second support member on the chassis along the length direction, the body length (that is, the height) of the user supported by the body position support device also changes accordingly, so that the user can make corresponding adjustment to the body position support device according to the body length, that is, the use convenience of the body position support device is further improved.

[0018] Optionally, the side surface of the chassis is provided with a sliding groove and a plurality of clamping holes; the depth direction of the sliding groove is parallel to the plane on which the chassis is located, and the length direction of the sliding groove is parallel to the length direction of the chassis; the clamping holes are arranged on the side surface of the chassis along the length direction of the chassis and are located on the side of the sliding groove close to the second support member; the opening of the clamping hole faces away from the sliding groove; the second support member is provided with a cylindrical sliding part matched with the sliding groove and a clamping pin matched with the clamping hole; the cylindrical sliding part is located in the sliding groove and can slide in the sliding groove and rotate around the axis of the cylindrical sliding part to realize the sliding and overturning of the second support member on the chassis; in the state that the second support member is overturned to be attached to the chassis, the clamping pin is clamped into the clamping hole; in the state that the second support member is overturned by a certain angle from the state of being attached to the chassis, the clamping pin is separated from the clamping hole.

[0019] The above-mentioned body position supporting device realizes the slidable and reversible of the second supporting part on the chassis through the combination of the sliding groove and the cylindrical sliding part, and realizes the limitation and release of the sliding of the second supporting part on the chassis through the combination of the bayonet and the socket and the reversible of the second supporting part on the chassis. That is, on the basis of realizing the length-adjustable of the body position supporting device, the target length after adjustment is also locked, thereby improving the stability of the body position supporting device during use.

[0020] Optionally, the end of the sliding groove away from the first supporting part is bent towards the socket and penetrates the upper surface of the chassis.

[0021] The above-mentioned body position supporting device bends the sliding groove towards the socket and penetrates the upper surface of the chassis, so that the cylindrical sliding part can slide out of the sliding groove through the penetration, thereby realizing the detachable between the second supporting part and the chassis, which facilitates the nursing operation of the caregiver and also facilitates the maintenance and replacement of the second supporting part.

[0022] Optionally, the side of the chassis includes a first side and a second side which are symmetrical relative to the length direction of the chassis; the first side and the second side are mirror-symmetrically provided with the sliding groove and the socket; the bayonet includes a first bayonet and a second bayonet; the second supporting part is correspondingly mirror-symmetrically provided with the first bayonet and the second bayonet; the length of the first bayonet is less than the length of the second bayonet.

[0023] The above-mentioned body position supporting device corresponds to the setting of the bayonet and the socket on both sides of the chassis, and the bayonet with different lengths is correspondingly set on both sides of the second supporting part. In the state that the first bayonet has been separated from the socket and the second bayonet has not been separated from the socket, the sliding limitation of the side of the second supporting part provided with the first bayonet is released, and the sliding of the side of the second supporting part provided with the second bayonet is still limited. In this case, the sliding of the side of the second supporting part provided with the first bayonet in the sliding groove can be controlled separately to adjust the corresponding relationship between the socket into which the first bayonet is inserted and the socket into which the second bayonet is inserted. Thus, the installation of the second supporting part on the chassis is avoided.

[0024] Optionally, the first support member includes a first support base plate and a first surrounding plate; the second support member includes a second surrounding plate; the first surrounding plate is bent along the edge of the first support base plate and surrounds the first support base plate, and the first surrounding plate forms an opening facing the second surrounding plate; the first support base plate is rotatably connected to the chassis around the flip axis; the second surrounding plate is slidably disposed on the chassis; when the second surrounding plate slides to one end of the chassis away from the first support member, the second surrounding plate is bent along the edge of the chassis away from the first support member and surrounds the chassis, and the second surrounding plate forms an opening facing the first surrounding plate; the body positioning support device further includes a base pad, a portion of which is laid on the first support base plate; another portion of which is laid on a second support portion of the chassis and partially supports the second surrounding plate; wherein, the second support portion of the chassis is located on the side of the chassis away from the first support member, bounded by the flip axis.

[0025] The aforementioned posture support device improves comfort by incorporating a base pad. Furthermore, by positioning another portion of the base pad between the second enclosure and the chassis, rather than having both the base pad and the second enclosure simultaneously contacting the upper surface of the chassis, the device avoids the problem of the base pad being squeezed by the first and second enclosures and wrinkling when adjusting the length of the space accommodating the user by changing the position of the second enclosure. This further enhances the convenience and applicability of the posture support device.

[0026] Optionally, the body positioning support device further includes a guardrail, a first enclosure, and a second enclosure; the guardrail is located on the chassis, between the first enclosure and the second enclosure, and forms an openable closed loop with the first enclosure and the second enclosure; one end of the guardrail near the first enclosure is rotatably connected to the first enclosure; wherein the rotation axis of the guardrail is parallel to the flipping axis.

[0027] The aforementioned body positioning support device, by incorporating a rotatable railing on the chassis between the first and second side panels, facilitates the placement, installation, and removal of objects from the device. Furthermore, it prevents objects from falling out of the device, thereby further enhancing its ease of use.

[0028] Optionally, the target users include newborns awaiting care.

[0029] The aforementioned positioning support device, when used for newborn care, achieves better care for newborns through its adjustable length and adjustable half-body tilt angle.

[0030] The application also provides a bottom pad, which is laid on the bottom plate and cooperates with the first supporting part and the second supporting part of the body position support device described above.

[0031] The bottom pad described above can disperse the pressure between the newborn or premature infant and the first supporting part and the second supporting part, and is convenient for replacement and maintenance.

[0032] The application also provides a surrounding pad, which comprises a first surrounding pad and a second surrounding pad; the first surrounding pad cooperates with the surface of the first surrounding plate of the body position support device described above, which faces the second surrounding plate; the second surrounding pad cooperates with the surface of the second surrounding plate of the body position support device described above, which faces the first surrounding plate; and the first surrounding pad and the second surrounding pad also cooperate with the bottom pad described above.

[0033] The surrounding pad described above can provide a limited space for the newborn or premature infant and provide tactile feedback.

[0034] The application also provides a strip-shaped pillow, which is in an elongated shape, is partially filled, is provided with an inner bag, and is located on the first supporting part and the second supporting part of the body position support device described above and between the first surrounding plate and the second surrounding plate.

[0035] The strip-shaped pillow described above can provide a wrapping feeling and a flexible and adjustable body position support for the newborn or premature infant, and cooperates with the vibration pacification device to provide a vibrating touch and a sound music in any specified position in any body position, so as to have a pacification effect.

[0036] In summary, the body positioning support device, base pad, surrounding pad, and strip pillow provided in this application achieve adjustable tilt angles for the target user's body by tumbling the first support member of the support component used to support the target user's body to the chassis. The hinge between the support rod assembly and the chassis, and the pin hole on the first support member away from the second support member for inserting the support rod assembly, improve the stability of the first support member during tilting. The presence of a not-parallel waist hole on the support rod assembly allows for smoother tilting of the first support member to change the angle with the chassis. The combination of pin holes, sleeves, rolling elements, and support rods with gradually increasing inner diameters from the first to the second end ensures that the first support member can be locked at any tilt angle, further improving the ease of use of the body positioning support device. The inclusion of an elastic element between the sleeve flange and the first support member locks the movement of the support rod within the sleeve in its natural state, further enhancing the ease of use of the body positioning support device. The second support member is slidably mounted on the chassis, allowing for adjustable length of the body positioning support device and further improving its ease of use. A combination of a groove and a cylindrical sliding part enables the second support member to slide and flip on the chassis. A combination of pins and latches, along with the flipping capability of the second support member, restricts and releases the sliding of the second support member on the chassis, improving the stability of the body positioning support device during use. With corresponding grooves and latches on both sides of the chassis, and corresponding pins of different lengths on both sides of the second support member, the device is prevented from being installed at an angle on the chassis. Attached Figure Description

[0037] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0038] Figure 1 A perspective view of the body positioning support device provided in the embodiments of this application;

[0039] Figure 2 A first cross-sectional view of the body positioning support device provided in the embodiments of this application, cut along a plane perpendicular to the rotation axis;

[0040] Figure 3 A second cross-sectional view of the body positioning support device provided in the embodiments of this application, cut along a plane perpendicular to the rotation axis;

[0041] Figure 4 forFigure 3 a partial sectional view at B;

[0042] Figure 5 for Figure 3 a partial sectional view at A;

[0043] Figure 6 a first perspective view of a chassis of a body position support device according to an embodiment of the present application;

[0044] Figure 7 a second perspective view of a chassis of a body position support device according to an embodiment of the present application;

[0045] Figure 8 a first perspective view of a second support member of a body position support device according to an embodiment of the present application;

[0046] Figure 9 a perspective view of a body position support device in cooperation with a cushion according to an embodiment of the present application;

[0047] Figure 10 a further perspective view of a body position support device according to an embodiment of the present application;

[0048] Figure 11 a further perspective view of a body position support device in cooperation with a cushion according to an embodiment of the present application;

[0049] Figure 12 a perspective view of a strip-shaped pillow without filling in cooperation with a body position support device according to an embodiment of the present application.

[0050] Fig. 1 is a perspective view of a body position support device according to an embodiment of the present application; Fig. 2 is a perspective view of a chassis of a body position support device according to an embodiment of the present application; Fig. 3 is a perspective view of a first support member of a body position support device according to an embodiment of the present application; Fig. 4 is a perspective view of a second support member of a body position support device according to an embodiment of the present application; Fig. 5 is a perspective view of a body position support device in cooperation with a cushion according to an embodiment of the present application; Fig. 6 is a perspective view of a body position support device in cooperation with a cushion according to an embodiment of the present application; Fig. 7 is a perspective view of a strip-shaped pillow without filling in cooperation with a body position support device according to an embodiment of the present application. DETAILED DESCRIPTION

[0051] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some but not all of the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0052] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative work are within the scope of protection of the present application.

[0053] It should be noted that similar reference numerals and letters in the following drawings represent similar items, and therefore, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

[0054] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed during use, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description and cannot be understood as indicating or implying relative importance.

[0055] In addition, the terms "horizontal", "vertical" and the like do not mean that the components must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0056] In the description of the present application, it should also be noted that unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0057] Please refer to Figure 1 , Figure 1is a perspective view of a body position support device 100 provided by an embodiment of the present application. The body position support device 100 provided by the embodiment of the present application can include a base plate 110, a first supporting member 120, and a second supporting member 130. The base plate 110 can have a base plate 110 length direction. The first supporting member 120 and the second supporting member 130 can be arranged on the base plate 110 along the base plate 110 length direction. The first supporting member 120 can be used to support one of an upper body and a lower body of a target user, and the second supporting member 130 can be used to support the other of the upper body and the lower body of the target user. The first supporting member 120 can be reversibly connected to the base plate 110 about a flip axis. The flip axis can be located on the first supporting member 120 close to one end of the second supporting member 130.

[0058] The first supporting member 120 and the second supporting member 130 can be bed plates respectively used to support the upper body and the lower body of a user. The bed plates can be provided with fences or can be provided without fences. The first supporting member 120 can be used to support the upper body of a user, and correspondingly, the second supporting member 130 can be used to support the lower body of the user. Alternatively, the first supporting member 120 can be used to support the lower body of a user, and correspondingly, the second supporting member 130 can be used to support the upper body of the user.

[0059] The flip axis of the first supporting member 120 can be perpendicular to the base plate 110 length direction, or can not be perpendicular to the base plate 110 length direction, and the included angle is in the range of 80° to 100°. Of course, the included angle between the flip axis and the base plate 110 length direction can also be determined as other angle values according to actual application requirements by those skilled in the art.

[0060] The first supporting member 120 can be configured to be manually operated by a single hand to flip, and the inclination angle of the second supporting member 130 can be fixed. Holes for air, light, and sound transmission can be formed on the first supporting member 120 and the second supporting member 130.

[0061] In the above implementation process, the first supporting member 120 of the supporting members used to support the body of the target user is reversibly connected to the base plate 110. In the case of needing to adjust the half-body posture, the first supporting member 120 can be flipped to the required angle, thereby improving the use convenience of the body position support device 100.

[0062] Please refer to Figure 2 , Figure 2is a first cross-sectional view of the body position support device provided by the embodiments of the present application, which is cut along a plane perpendicular to the axis of rotation. In some alternative embodiments, the body position support device 100 provided by the embodiments of the present application can further comprise a support rod assembly 140. One end of the support rod assembly 140 can be rotatably connected to the chassis 110 away from the second support 130. The axis of rotation of the rotatable connection can be parallel to the axis of rotation. The first support 120 can be provided with a pin hole 121 for the insertion of the support rod assembly 140 away from the second support 130. One end of the support rod assembly 140 can be inserted into the pin hole 121 and can move along the extension direction of the pin hole 121.

[0063] The support rod assembly 140 can comprise a support rod 142 and other components. In the case where the support rod 142 is inserted into the pin hole 121, during the process of reducing the angle between the first support 120 and the chassis 110 by rotating, the pin hole 121 is equivalent to being sleeved on the support rod assembly 140, and the first support 120 moves towards the chassis 110 by sliding on the support rod assembly 140. During this process, the rotation of the first support 120 changes the inclination angle of the pin hole 121, so that the inclination angle of the support rod assembly 140 also changes. The change of the inclination angle of the support rod assembly 140 relies on the hinge connection between the support rod assembly 140 and the chassis 110.

[0064] Correspondingly, the process of increasing the angle between the first support 120 and the chassis 110 by rotating can be a mirror image of the process described above.

[0065] In the above implementation process, the hinge connection between the support rod assembly 140 and the chassis 110 is provided, and the pin hole 121 for the insertion of the support rod assembly 140 is arranged on the end of the first support 120 away from the second support 130. During the process of changing the angle between the first support 120 and the chassis 110 by rotating, the pin hole 121 slides relative to the support rod assembly 140, and the support rod assembly 140 changes the inclination angle based on the hinge connection with the chassis 110. The linkage achieved by such a structure improves the stability of the first support 120 during the rotation process, because the support rod assembly 140 and the pin hole 121 are constrained relative to each other.

[0066] Please refer to Figure 3 and Figure 4 , Figure 3 is a second cross-sectional view of the body position support device provided by the embodiments of the present application, which is cut along a plane perpendicular to the axis of rotation; Figure 4 is Figure 3A local sectional view of the part B is enlarged. In some alternative embodiments, the chassis 110 can be provided with a waist hole 111 at one end away from the second support 130. The length direction of the waist hole 111 can not be parallel to the length direction of the support rod assembly 140, and the penetrating direction of the waist hole 111 can be parallel to the flipping axis. A rotating pin 141 can be provided at one end of the support rod assembly 140 close to the chassis 110. The length direction of the rotating pin 141 can be parallel to the flipping axis, and the diameter of the rotating pin 141 can be smaller than the length of the waist hole 111 in the length direction. The rotating pin 141 can be located in the waist hole 111.

[0067] Since the inclination of the support rod assembly 140 changes while the end thereof hinged to the chassis 110 can swing during the process that the first support 120 changes the included angle with the chassis 110 through flipping, the waist hole 111 can be provided on the support rod assembly 140, and the length direction of the waist hole 111 can not be parallel to the length direction of the support rod assembly 140.

[0068] As an alternative embodiment, the length direction of the waist hole 111 can be perpendicular to the length direction of the support rod assembly 140.

[0069] In the above implementation, the waist hole 111 not parallel to the length direction of the support rod assembly 140 is provided on the support rod assembly 140, so that the end of the support rod assembly 140 hinged to the chassis 110 can swing during the process that the first support 120 changes the included angle with the chassis 110 through flipping. Thus, compared with directly providing the circular pin hole 121, the constraint on the end of the support rod assembly 140 hinged to the chassis 110 is reduced, and the first support 120 changes the included angle with the chassis 110 through flipping more smoothly.

[0070] Please refer to Figure 5 , Figure 5 is Figure 3A local cross-sectional view of the support rod assembly at the middle A. In some alternative embodiments, the inner diameter of the pin hole 121 can gradually increase from the first end of the pin hole 121 to the second end of the pin hole 121. The support rod assembly 140 can include a support rod 142, a sleeve 143, and a rolling body 144. The rolling body 144 can be located at the first end of the sleeve 143 and penetrate the wall of the sleeve 143. The rolling body 144 can roll on the wall in the penetration direction of the pin hole 121. The diameter of the rolling body 144 can be greater than the thickness of the wall. The support rod 142 can penetrate the sleeve 143, and the first end of the sleeve 143 can be inserted into the pin hole 121 from the first end of the pin hole 121. The inner diameter of the first end of the pin hole 121 can match the outer diameter of the first end of the sleeve 143, and the difference between the inner diameter of the second end of the pin hole 121 and the outer diameter of the first end of the sleeve 143 can be greater than the difference between the diameter of the rolling body 144 and the thickness of the wall.

[0071] The rolling body 144 can be a ball or a roller, etc. During the movement of the sleeve 143 in the pin hole 121 from the second end to the first end, the surface of the rolling body 144 will gradually abut the inner wall of the pin hole 121 and the outer surface of the support rod 142 at the same time. And as the sleeve 143 moves in the pin hole 121, it will gradually tighten the part of the rolling body 144 in contact with the support rod 142, thereby limiting the movement of the support rod 142 in the sleeve 143, achieving one-way locking of the support rod 142. Conversely, during the movement of the sleeve 143 in the pin hole 121 from the first end to the second end, the locking of the support rod 142 can be released, thereby enabling the movement of the support rod 142 in the sleeve 143.

[0072] By locking and releasing the movement of the support rod 142 in the sleeve 143, the locking and releasing of the angle adjustment of the first support 120 are realized.

[0073] In the above implementation process, by combining the use of the pin hole 121 with gradually increasing inner diameter from the first end to the second end, the sleeve 143, the rolling body 144, and the support rod 142, the basis for locking and releasing the angle adjustment of the first support 120 is achieved. In addition, the first support 120 can be locked at any angle after being turned over, thereby further improving the convenience of use of the body position support device 100.

[0074] Please continue to refer to Figure 5 In some alternative embodiments, the support rod assembly 140 can further include a resilient member 145. The second end of the sleeve 143 can be provided with a flange 1431. The diameter of the flange 1431 can be greater than the inner diameter of the first end of the pin hole 121. One end of the resilient member 145 can abut the flange 1431, and the other end of the resilient member 145 can abut the side of the first end of the pin hole 121 on the first support 120.

[0075] The elastic member 145 can be a spring, which can be sleeved on the sleeve 143 and abut against the flange 1431 and the first support 120 respectively. Under the action of the elastic member 145, the flange 1431 can be subjected to an elastic force in the direction away from the pin hole 121. That is, the sleeve 143 moves in the pin hole 121 from the second end to the first end, thereby locking the movement of the support rod 142 in the sleeve 143. In the case of needing to release the locking of the support rod 142, an external force opposite to the elastic force direction can be applied to the flange 1431, so that the sleeve 143 moves in the pin hole 121 from the first end to the second end to release the locking of the support rod 142. The external force applied to the flange 1431 opposite to the elastic force direction can be a mechanical button set by those skilled in the art according to the actual layout of the parts and other factors. When the button is pressed by the user, the movement of the button can directly or indirectly transmit to the flange 1431, thereby controlling the locking and releasing of the support rod 142.

[0076] In the above implementation process, by arranging the elastic member 145 between the flange 1431 of the sleeve 143 and the first support 120, the movement of the support rod 142 in the sleeve 143 is locked in the natural state, that is, the angle of the first support 120 is locked. In the case of needing to adjust the angle of the first support 120, a force opposite to the elastic force of the elastic member 145 is applied to the flange 1431 to release the locking of the support rod 142, thereby adjusting the angle of the first support 120. The degree of automation of the support rod assembly 140 is further improved, thereby further improving the use convenience of the body position support device 100.

[0077] Please continue to refer to Figure 1 In some optional embodiments, the second support 130 can be slidably arranged on the chassis 110. The sliding direction can be parallel to the length direction of the chassis 110.

[0078] The sliding connection between the second support 130 and the chassis 110 can be realized by a "slider + slide groove 112" or a "rolling member + guide rail" structure.

[0079] In the above implementation process, by slidably arranging the second support 130 on the chassis 110, the length (i.e. height) of the user supported by the body position support device 100 also changes accordingly during the sliding of the second support 130 on the chassis 110 in the length direction, so that the user can adjust the body position support device 100 according to the length, that is, the use convenience of the body position support device 100 is further improved.

[0080] Please refer to Figures 6 to 8 ,Figure 6 is a first perspective view of a chassis in a body position support device provided by embodiments of the present application; Figure 7 is a second perspective view of the chassis 110 in the body position support device 100 provided by embodiments of the present application; Figure 8 is a first perspective view of the second support 130 in the body position support device 100 provided by embodiments of the present application. In some alternative embodiments, the side of the chassis 110 can be provided with a sliding groove 112 and a plurality of sockets 113. It can be appreciated that the sliding groove 112 and the plurality of sockets 113 can be provided on the inner side or the outer side of the chassis 110, and here the outer side is taken as an example for detailed description. The depth direction of the sliding groove 112 can be parallel to the plane on which the chassis 110 lies, and the length direction of the sliding groove 112 can be parallel to the length direction of the chassis 110. The sockets 113 can be arranged on the side of the chassis 110 along the length direction of the chassis 110, and can be located on the side of the sliding groove 112 close to the second support 130. The opening 116 of the socket 113 can face away from the sliding groove 112. The second support 130 can be provided with a cylindrical sliding part 131 matched with the sliding groove 112 and a pin 132 matched with the socket 113. The cylindrical sliding part 131 can be located in the sliding groove 112 and can slide in the sliding groove 112 and rotate around the axis of the cylindrical sliding part 131, so as to realize the sliding and overturning of the second support 130 on the chassis 110. When the second support 130 is overturned to the state of being attached to the chassis 110, the pin 132 can be clamped into the socket 113. When the second support 130 is overturned from the state of being attached to the chassis 110 to a state of being overturned by a specific angle, the pin 132 can be disengaged from the socket 113.

[0081] When the second support 130 is overturned by a specific angle with the cylindrical sliding part 131 as the axis, the pin 132 is disengaged from the socket 113, that is, the restriction on the sliding of the second support 130 on the chassis 110 is removed, so that the sliding of the second support 130 on the chassis 110 can be controlled, and at this time the cylindrical sliding part 131 also slides in the sliding groove 112, so as to adjust the length of the user that can be supported by the body position support device 100. After the adjustment is completed, the second support 130 is overturned in the reverse direction with the cylindrical sliding part 131 as the axis, until the second support 130 is attached to the chassis 110, the pin 132 is clamped into the socket 113 in the corresponding position, and the sliding of the second support 130 on the chassis 110 is restricted through the clamping between the pin 132 and the socket 113.

[0082] The second support 130 can also be provided with a limiting protrusion 117 for limiting the upper limit of the overturning angle of the second support 130. Exemplarily, the limiting maximum angle of the overturning angle can be 15° or 30°.

[0083] In the above implementation process, the combination of the sliding groove 112 and the cylindrical sliding part 131 realizes the slidable and reversible of the second supporting part 130 on the chassis 110. Through the combination of the clasp 132 and the clamping hole 113 and the reversible of the second supporting part 130 on the chassis 110, the limitation and removal of the limitation of the sliding of the second supporting part 130 on the chassis 110 are realized. That is, on the basis of realizing the length-adjustable of the body position supporting device 100, the locking of the target length after adjustment is also realized, thereby improving the stability of the body position supporting device 100 in the use process.

[0084] Please continue to refer to Figure 7 In some optional embodiments, the end of the sliding groove 112 away from the first supporting part 120 can be bent towards the clamping hole 113 and can penetrate the upper surface of the chassis 110 to form an opening 116.

[0085] That is, the sliding groove 112 can be in the shape of “L” or “J” and the like.

[0086] In the above implementation process, the bending of the sliding groove 112 towards the clamping hole 113 and penetrating the upper surface of the chassis 110 makes the cylindrical sliding part 131 be able to slide out of the sliding groove 112 through the opening 116 at the penetration, thereby realizing the detachable between the second supporting part 130 and the chassis 110, which facilitates the maintenance and replacement of the second supporting part 130 alone.

[0087] Please refer to Figure 7 and Figure 8 In some optional embodiments, the side of the chassis 110 can include a first side 114 and a second side 115 symmetrical with respect to the length direction of the chassis 110. The first side 114 and the second side 115 can be mirror-imagedly provided with the sliding groove 112 and the clamping hole 113. The clasp 132 can include a first clasp 1321 and a second clasp 1322. The second supporting part 130 is mirror-imagedly provided with the first clasp 1321 and the second clasp 1322. The length of the first clasp 1321 can be smaller than the length of the second clasp 1322.

[0088] That is, the two sides of the chassis 110 are respectively provided with the card slot and the card mouth 113, and the two sides of the second supporting piece 130 are also respectively provided with the different length card pin 132 (namely, the first card pin 1321 and the second card pin 1322). Since the length of the first card pin 1321 is less than the length of the second card pin 1322. In the process of the second supporting piece 130 overturning with the cylindrical sliding part 131 as the axis to increase the included angle between the second supporting piece and the chassis 110, the first card pin 1321 with shorter length will be separated from the card mouth 113 earlier than the second card pin 1322 with longer length. In the state that the first card pin 1321 has been separated from the card mouth 113 while the second card pin 1322 has not been separated from the card mouth 113, the sliding restriction of the cylindrical sliding part 131 provided on the side of the first card pin 1321 of the second supporting piece 130 in the sliding slot 112 is released, and the sliding of the cylindrical sliding part 131 provided on the side of the second card pin 1322 of the second supporting piece 130 in the sliding slot 112 is still restricted.

[0089] In the above implementation process, the two sides of the chassis 110 are respectively provided with the card slot and the card mouth 113, and the two sides of the second supporting piece 130 are also respectively provided with the different length card pin 132. In the state that the first card pin 1321 has been separated from the card mouth 113 while the second card pin 1322 has not been separated from the card mouth 113, the sliding restriction of the first card pin 1321 provided on the side of the first card pin 1321 of the second supporting piece 130 is released, and the sliding of the second card pin 1322 provided on the side of the second card pin 1322 of the second supporting piece 130 is still restricted. In this case, the sliding of the first card pin 1321 provided on the side of the first card pin 1321 of the second supporting piece 130 in the sliding slot 112 can be controlled individually to adjust the card mouth 113 into which the first card pin 1321 is inserted to correspond to the card mouth 113 into which the second card pin 1322 is inserted. Thus, the situation that the second supporting piece 130 is installed on the chassis 110 in a skew manner is avoided.

[0090] Please refer to Figures 9 to 11 , Figure 9 is another perspective view of the body position support device 100 provided by the embodiment of the present application; Figure 10 is still another perspective view of the body position support device 100 provided by the embodiment of the present application;

[0091] Figure 11 is still another perspective view of the body position support device 100 provided by the embodiment of the present application. In some optional embodiments, the body position support device 100 provided by the embodiment of the present application further comprises a guardrail 160, a first fence 123 and a second fence. The guardrail 160 is located between the first fence 123 and the second fence on the chassis 110 and forms an openable closed loop with the first fence 123 and the second fence. The end of the guardrail 160 close to the first fence 123 is rotatably connected with the first fence 123. The rotation axis of the guardrail 160 is parallel to the overturning axis.

[0092] The first surrounding plate 123 can form the first supporting member 120 together with the first supporting bottom plate 122, and the second surrounding plate can form the second supporting member 130. The first surrounding plate 123 is bent along the edge of the first supporting bottom plate 122 and surrounds the first supporting bottom plate 122, and the first surrounding plate 123 is formed with an opening facing the second surrounding plate. The first supporting bottom plate 122 is rotatably connected to the bottom plate 110 about a rotation axis. The second surrounding plate is slidably arranged on the bottom plate 110. When the second surrounding plate slides to the end of the bottom plate 110 away from the first supporting member 120, the second surrounding plate is bent along the edge of the bottom plate 110 away from the first supporting member 120 and surrounds the bottom plate 110, and the second surrounding plate is formed with an opening facing the first surrounding plate 123. The inner side of the opening of the second surrounding plate can be provided with a cylindrical sliding part 131 matched with the sliding groove 112 and a clamping pin 132 matched with the clamping hole 113. Thus, on the basis of the slidable connection between the second surrounding plate and the bottom plate 110, the second surrounding plate can also be rotatably connected to the bottom plate 110 through the cylindrical sliding part 131, and when the second surrounding plate slides to the position where the cylindrical sliding part 131 corresponds to the sliding groove 112 and the clamping pin 132 is bent to the end away from the first supporting member 120, the second surrounding plate can be separated from the bottom plate 110 by continuing to slide to the upper surface of the bottom plate 110 to slide out of the sliding groove 112. That is, the detachable connection between the second surrounding plate and the bottom plate 110 is also achieved.

[0093] The number of guardrails 160 can be two, which are respectively located at the two notches of the "fence" formed by the first surrounding plate 123 and the second surrounding plate. During use, the user can open or close the guardrails 160 according to needs. Opening the guardrail 160 means rotating the guardrail 160 upward on the second surrounding plate about its rotation axis, so as to facilitate the user to place, install or take out objects through the notches of the "fence" formed by the first surrounding plate 123 and the second surrounding plate. Closing the guardrail 160 means rotating the guardrail 160 downward on the second surrounding plate about its rotation axis, so as to block the notches of the "fence" formed by the first surrounding plate 123 and the second surrounding plate, thereby preventing the objects in the body position support device 100 from falling outwards, etc.

[0094] The guardrail 160 can also include a guardrail body and a guardrail extension 161. The guardrail can be generally sheet-shaped and can have a long side and a wide side. The width of the guardrail extension 161 is narrower than that of the guardrail body, so as to form an avoiding space, thereby preventing interference when the length of the second supporting member 130 is adjusted. The guardrail extension 161 is flexible and can be bent and fitted to the inner side surface of the second supporting member 130 when the length of the second supporting member 130 is adjusted. The notch at the lower side of the guardrail 160 is used for bending and fitting to the inner side surface of the second supporting member 130 when the length of the second supporting member 130 is adjusted.

[0095] Based on the same idea, the embodiment of the present application provides a bottom pad 150, which is laid on the bottom plate 110, and cooperates with the first supporting part 120 and the second supporting part 130 of the body position supporting device 100 described above.

[0096] The cooperation between the bottom pad 150 and the first supporting part 120 and the second supporting part 130 can refer to the matching of the shape and size therebetween and the detachability of the bottom pad on the first supporting part 120 and the second supporting part 130. The bottom pad 150 can be used to replace the first supporting part 120 and the second supporting part 130 to support the body of the target user, so as to improve the comfort of the body position supporting device 100. The part of the bottom pad 150 close to the end of the first supporting part 120 can be attached to the first supporting bottom plate 122, and the remaining part can be laid on the second supporting part in the upper surface of the bottom plate 110. Moreover, the part can be located between the second surrounding plate and the bottom plate 110. Thus, when the length of the space on the body position supporting device 100 for accommodating the user is adjusted by changing the position of the second surrounding plate, the bottom pad 150 will not be squeezed by the first surrounding plate 123 and the second surrounding plate, and thus the problem of the bottom pad 150 being wrinkled will not occur.

[0097] In the above implementation process, the comfort and maintainability of the body position supporting device 100 are improved by laying the bottom pad 150 in the body position supporting device 100. On this basis, by locating another part of the bottom pad 150 between the second surrounding plate and the bottom plate 110 instead of the bottom pad 150 and the second surrounding plate simultaneously contacting the upper surface of the bottom plate 110, the problem of the bottom pad 150 being wrinkled due to being squeezed by the first surrounding plate 123 and the second surrounding plate when the length of the space on the body position supporting device 100 for accommodating the user is adjusted by changing the position of the second surrounding plate is avoided, so as to further improve the convenience and applicability of the body position supporting device 100.

[0098] In the above implementation process, the rotatable fence is arranged between the first surrounding plate 123 and the second surrounding plate on the bottom plate 110, so as to facilitate the user to place, install or take out objects in the body position supporting device 100, etc. Moreover, the objects in the body position supporting device 100 are also prevented from falling outwards. Thus, the use convenience of the body position supporting device 100 is further improved.

[0099] Based on the same idea, the embodiment of the present application also provides a surrounding pad 170, which cooperates with the surface of the first surrounding plate 123 of the body position supporting device 100 described above, which faces the second surrounding plate; a second surrounding pad 180, which cooperates with the surface of the second surrounding plate of the body position supporting device 100 described above, which faces the first surrounding plate 123, and the first surrounding pad 170 and the second surrounding pad 180 also cooperate with the bottom pad 150 described above.

[0100] The term "fitting" here can refer to bonding, preferably a detachable bonding method such as Velcro.

[0101] In the above-mentioned process, by attaching the first pad 170 and the second pad 180 to the inner surfaces of the first panel 123 and the second panel respectively, the comfort of the body position support device 100 is further improved.

[0102] Please refer to Figure 12 , Figure 12 This is a perspective view of the strip pillow 190 in the body positioning support device 100 provided in this application embodiment. In some optional embodiments, the body positioning support device 100 provided in this application embodiment further includes the strip pillow 190. The strip pillow 190 is located on the chassis 110 and between the first enclosure 123 and the second enclosure.

[0103] The strip pillow 190 can be used by target users such as children to hug, lie on, or lean against, thereby further improving the comfort of the body support device 100.

[0104] In the above implementation process, by placing a strip pillow 190 inside the body positioning support device 100, the comfort of the body positioning support device 100 is further improved so that the target user can hug, lie down, or lean against it.

[0105] In some alternative implementations, the target user may include newborns awaiting care.

[0106] In other words, the body position support device 100 provided in the preceding embodiments of this application can be used to support newborns for the purpose of nursing them.

[0107] In the above implementation process, by using the body position support device 100 provided in the various embodiments of this application to care for newborns, and through the adjustable length and adjustable half-body tilt angle of the body position support device 100, better care for newborns is achieved.

[0108] In summary, the body position support device 100, the bottom pad, the surrounding pad and the strip-shaped pillow provided by various embodiments of the present application can realize the adjustable half-body inclination angle of the target user by reversibly connecting the first supporting part 120 among the supporting parts for supporting the body of the target user and the bottom disc 110. The stability of the first supporting part 120 during the reversing process is improved by the hinge connection between the support rod assembly 140 and the bottom disc 110, and the pin hole 121 provided on the first supporting part 120 away from the second supporting part 130 for the insertion of the support rod assembly 140. The first supporting part 120 is more smooth when reversing to change the included angle with the bottom disc 110 by the waist hole 111 not parallel to the length direction of the support rod assembly 140. The first supporting part 120 can be locked at any angle during the reversing process by the combined use of the pin hole 121 with the gradually increasing inner diameter from the first end to the second end, the sleeve 143, the rolling body 144 and the support rod 142, thereby further improving the use convenience of the body position support device 100. The movement of the support rod 142 in the sleeve 143 is locked in the natural state by the elastic member 145 provided between the flange 1431 of the sleeve 143 and the first supporting part 120, thereby further improving the use convenience of the body position support device 100. The length of the body position support device 100 is adjustable by the slidable arrangement of the second supporting part 130 on the bottom disc 110, thereby further improving the use convenience of the body position support device 100. The slidable and reversible arrangement of the second supporting part 130 on the bottom disc 110 is realized by the combination of the sliding groove 112 and the cylindrical sliding part 131, and the combination of the bayonet 132 and the bayonet 113 in combination with the reversible arrangement of the second supporting part 130 on the bottom disc 110, thereby realizing the limitation and release of the sliding of the second supporting part 130 on the bottom disc 110. The stability of the body position support device 100 during use is improved. The bayonet 132 with different lengths is correspondingly arranged on the two sides of the second supporting part 130, and the bayonet 113 is correspondingly arranged on the two sides of the bottom disc 110, thereby avoiding the skew installation of the second supporting part 130 on the bottom disc 110.

[0109] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Various modifications and changes can be made by those skilled in the art based on the spirit and principles of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A body position support device (100), characterized in that, The device comprises a chassis (110), a first supporting member (120) and a second supporting member (130); The chassis (110) has a length direction of the chassis (110); The first supporting member (120) and the second supporting member (130) are arranged on the chassis (110) along the length direction of the chassis (110); The first supporting member (120) is rotatably connected with the chassis (110) around a rotation axis, and the rotation axis is located on the first supporting member (120) close to one end of the second supporting member (130).

2. The body position support device (100) according to claim 1, characterized in that The device further comprises a supporting rod assembly (140); One end of the supporting rod assembly (140) is rotatably connected with one end of the chassis (110) away from the second supporting member (130), and the rotation axis of the rotatable connection is parallel to the rotation axis; One end of the first supporting member (120) away from the second supporting member (130) is provided with a pin hole (121) for inserting the supporting rod assembly (140); One end of the supporting rod assembly (140) is inserted into the pin hole (121) and can move along the extension direction of the pin hole (121).

3. The body position support device (100) according to claim 2, characterized in that One end of the chassis (110) away from the second supporting member (130) is provided with a waist hole (111); The length direction of the waist hole (111) is not parallel to the length direction of the supporting rod assembly (140), and the penetration direction of the waist hole (111) is parallel to the rotation axis; One end of the supporting rod assembly (140) close to the chassis (110) is provided with a rotating pin (141); The length direction of the rotating pin (141) is parallel to the rotation axis, and the diameter of the rotating pin (141) is smaller than the length of the waist hole (111) in the length direction; The rotating pin (141) is located in the waist hole (111).

4. The body position support device (100) according to claim 2, characterized in that The inner diameter of the pin hole (121) gradually increases from the first end of the pin hole (121) to the second end of the pin hole (121); The supporting rod assembly (140) comprises a supporting rod (142), a sleeve (143) and a rolling body (144); The rolling body (144) is located at the first end of the sleeve (143) and penetrates the cylinder wall of the sleeve (143); wherein the rolling body (144) can roll on the cylinder wall along the penetration direction of the pin hole (121); the diameter of the rolling body (144) is greater than the thickness of the cylinder wall; The supporting rod (142) penetrates the sleeve (143), and the first end of the sleeve (143) is inserted into the pin hole (121) from the first end of the pin hole (121); wherein the inner diameter of the first end of the pin hole (121) matches the outer diameter of the first end of the sleeve (143), and the difference between the inner diameter of the second end of the pin hole (121) and the outer diameter of the first end of the sleeve (143) is greater than the difference between the diameter of the rolling body (144) and the thickness of the cylinder wall.

5. The body position support device (100) according to claim 4, characterized in that The supporting rod assembly (140) further comprises a resilient member (145); The second end of the sleeve (143) is provided with a flange (1431); The flange (1431) has a diameter greater than the inner diameter of the first end of the pin hole (121); One end of the elastic member (145) abuts against the flange (1431), and the other end of the elastic member (145) abuts against one side of the first end of the pin hole (121) on the first support (120).

6. The body position support device (100) according to claim 1, characterized in that The second support (130) is slidably arranged on the chassis (110); wherein the sliding direction is parallel to the length direction of the chassis (110).

7. The body position support device (100) according to claim 6, characterized in that The side of the chassis (110) is provided with a sliding groove (112) and a bayonet (113); The depth direction of the sliding groove (112) is parallel to the plane on which the chassis (110) lies, and the length direction of the sliding groove (112) is parallel to the length direction of the chassis (110); The bayonet (113) is arranged on the side of the chassis (110) along the length direction of the chassis (110) and is located on the side of the sliding groove (112) close to the second support (130); The opening (116) of the bayonet (113) faces away from the sliding groove (112); The second support (130) is provided with a cylindrical sliding part (131) matched with the sliding groove (112) and a bayonet pin (132) matched with the bayonet (113); The cylindrical sliding part (131) is located in the sliding groove (112) and can slide in the sliding groove (112) and rotate around the axis of the cylindrical sliding part (131) to realize the sliding and overturning of the second support (130) on the chassis (110); When the second support (130) is overturned to the state of being attached to the chassis (110), the bayonet pin (132) is inserted into the bayonet (113); when the second support (130) is overturned from the state of being attached to the chassis (110) to a state of being overturned by a certain angle, the bayonet pin (132) is separated from the bayonet (113).

8. The body position support device (100) according to claim 7, characterized in that The end of the sliding groove (112) away from the first support (120) is bent towards the bayonet (113) and penetrates through the upper surface of the chassis (110).

9. The body position support device (100) according to claim 7, characterized in that The bayonet pin (132) includes a first bayonet pin (1321) and a second bayonet pin (1322), and the length of the first bayonet pin (1321) is less than the length of the second bayonet pin (1322).

10. The body position support device (100) according to claim 1, characterized in that Further comprising a guardrail (160), a first fence (123), and a second fence; The guardrail (160) is located between the first fence (123) and the second fence on the chassis (110) and forms an openable closed loop with the first fence (123) and the second fence; The end of the guardrail (160) close to the first fence (123) is rotatably connected with the first fence (123); wherein the rotation axis of the guardrail (160) is parallel to the overturning axis.

11. A floor mat, characterized in that The bottom pad (150) is laid on the chassis (110), and the bottom pad (150) cooperates with the first support (120) and the second support (130) of the body position support device (100) according to any one of claims 1-10.

12. A grommet characterized by, The first and second side pads (170, 180) are fitted to the first and second side plates (123, 124) of the body position support device (100) according to any one of claims 1 to 10. The first side pad (170) is fitted to the first side plate (123) of the body position support device (100) according to any one of claims 1 to 10, facing the surface of the second side plate (124). The second side pad (180) is fitted to the second side plate (124) of the body position support device (100) according to any one of claims 1 to 10, facing the surface of the first side plate (123). The first and second side pads (170, 180) are also fitted to the bottom pad (150) according to claim 11.

13. A strip pillow, characterized in that The strip-shaped pillow (190) is elongated, partially filled, and provided with an inner bag. The strip-shaped pillow (190) is located on the first and second supporting members (120, 130) of the body position support device (100) according to any one of claims 1 to 10, and between the first and second side plates (123, 124).