CN213940212U - Back rubbing prevention frame and chair and bed with same - Google Patents
Back rubbing prevention frame and chair and bed with same Download PDFInfo
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- CN213940212U CN213940212U CN202022392835.XU CN202022392835U CN213940212U CN 213940212 U CN213940212 U CN 213940212U CN 202022392835 U CN202022392835 U CN 202022392835U CN 213940212 U CN213940212 U CN 213940212U
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Abstract
The utility model discloses an anti-back rubbing frame, which comprises a back rest frame, a seat frame, a rotating connecting piece, a sliding rail and a back cushion piece, wherein the back cushion piece is in sliding connection with the back rest frame through the sliding rail, so that the back cushion piece and the sliding rail can slide relative to the back rest frame; the one end of rotation connecting piece is connected on the back frame, the other end is connected on the seat frame, the back frame can rotate for the seat frame through rotating the connecting piece, rotate the connecting piece respectively with the back frame, the seat frame is connected, make the relative angle of back frame and seat frame adjustable, therefore, at the in-process of adjusting the relative angle of back frame and seat frame, back pad spare can independently slide, keep back pad spare laminating user back, thereby at the regulation back in-process, reduce user back and back pad spare relative motion stroke, reduce and rub with the hands and feel, improve user's use experience.
Description
Technical Field
The utility model relates to the technical field of furniture, in particular to prevent rubbing with hands back frame and have its chair, bed.
Background
The chair or the bed on the market at present is provided with adjustable back structure, can adjust the back of chair or bed, makes the user rest with a comfortable position of sitting or the position of lying. However, in the chair or bed with the adjustable backrest structure in the related art, in the process of adjusting the backrest, the back of the user can rub against the backrest, so that a back rubbing feeling is formed, and the user experience is reduced.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the utility model provides a prevent rubbing with the hands back frame and have its chair, bed can reduce to rub with the hands back and feel at the regulation back in-process to improve user's use and experience.
In a first aspect, the utility model provides a prevent rubbing back frame with hands, including back frame, seat frame, rotation connecting piece, slide rail and back pad spare, the slide rail sets up back pad spare with between the back frame, back pad spare passes through the slide rail with back frame sliding connection makes back pad spare can for the back frame slides, the one end of rotating the connecting piece with the back frame is connected, the other end with the seat frame is connected, the back frame can for the seat frame rotates.
According to the utility model discloses prevent rubbing back frame has following beneficial effect at least: the slide rail is arranged between the back cushion piece and the back frame, the back cushion piece is in sliding connection with the back frame through the slide rail, and the back cushion piece and the slide rail can slide relative to the back frame. The one end of rotation connecting piece is connected on the back frame, the other end is connected on the seat frame, the back frame can rotate for the seat frame through rotating the connecting piece, rotate the connecting piece respectively with the back frame, the seat frame is connected, make the relative angle of back frame and seat frame adjustable, therefore, at the in-process of adjusting the relative angle of back frame and seat frame, back pad spare can independently slide, keep back pad spare laminating user back, thereby at the regulation back in-process, reduce user back and back pad spare relative motion stroke, reduce and rub with the hands and feel, improve user's use experience.
According to some embodiments of the utility model, the rotation connecting piece includes rocker, first connecting rod and seat frame fixed block, the one end of rocker with the one end of first connecting rod is articulated, the other end of first connecting rod with seat frame fixed block rotates to be connected, the other end of rocker with the back frame rotates to be connected, seat frame fixed block sets up seat rest frame bottom. The rocker and the first connecting rod of the rotary connecting piece can rotate mutually, the rotary connecting piece can enable the backrest frame to be attached to the back of a user, the back rubbing feeling is reduced, and the use experience of the user is improved.
According to some embodiments of the utility model, the rotation connecting piece still includes second connecting rod and back frame fixed block, the second connecting rod with first connecting rod is articulated, the second connecting rod with back frame fixed block rotates to be connected, back frame fixed block sets up the back frame. The rotary connecting piece further comprises a second connecting rod and a seat frame fixing block, the second connecting rod is matched with the seat frame fixing block through the first connecting rod, and the smoothness and stability of rotation of the backrest frame relative to the seat frame are improved.
According to some embodiments of the utility model, the back frame still is provided with the telescopic push rod, the seat frame is provided with stretches out the mounting bracket, the push rod with stretch out the mounting bracket and rotate and connect, the back frame can wind the push rod with the tie point that stretches out the mounting bracket for the seat frame rotates. The telescopic push rod provides supporting force for rotation adjustment of the backrest frame, so that the backrest frame can rotate around the push rod and a rotation connecting point extending out of the mounting frame, and the stability of backrest adjustment is improved.
According to some embodiments of the present invention, the slidable distance of the back pad is determined by the length of the first connecting rod, and the distance between the back pad and the push rod and the distance extending out of the connecting point of the mounting frame is determined by the length of the rocker. Adjusting first connecting rod and rocker length can make back pad spare at the sliding distance and the position of rotation in-process, makes back pad spare laminating user back, reduces and rubs the back sense, improves user's use and experiences.
According to some embodiments of the present invention, the back rubbing prevention frame further comprises a first driving device for driving the back frame to rotate. The first driving device can provide power for the rotation of the backrest frame.
According to some embodiments of the utility model, the slide rail is provided with a plurality ofly, and a plurality of the slide rail is installed the backplate of back pad spare. The plurality of slide rails can improve the stability of the back cushion piece to the relative sliding of the back frame.
According to some embodiments of the present invention, the back rubbing prevention frame further comprises a second driving device for driving the back pad to slide relative to the back frame. The second driving device can provide power for the back cushion member to slide independently.
In a second aspect, the present invention further provides a chair, comprising the back rubbing prevention frame as described above in the first aspect.
The utility model discloses the chair has the back frame of preventing rubbing with hands of above-mentioned first aspect embodiment, and the chair adopts the back frame of preventing rubbing with hands, and the slide rail setting is between back pad spare and back frame, and back pad spare passes through the slide rail and forms sliding connection with back frame for back pad spare, slide rail can slide for chair back frame. The backrest frame can rotate relative to the seat frame through the rotation connecting piece, the rotation connecting piece is respectively connected with the chair backrest frame and the seat frame, so that the relative angle between the backrest frame and the seat frame of the chair can be adjusted, therefore, in the process of adjusting the relative angle between the backrest frame and the seat frame of the chair, the backrest piece of the chair can independently slide, the backrest piece of the chair is kept to be attached to the back of a user, the relative movement stroke between the back of the user and the chair backrest piece is reduced in the process of adjusting the backrest of the chair, the back rubbing feeling is reduced, and the use experience of the user is improved.
In a third aspect, the present invention further provides a bed, comprising the back rubbing prevention frame as described in the first aspect.
The utility model discloses the bed has the back of the body frame of preventing rubbing with the hands of above-mentioned first aspect embodiment, and the bed adopts the back of the body frame of preventing rubbing with the hands, and the slide rail setting is between the back pad spare and the back frame of bed, and the back pad spare of bed passes through the slide rail and forms sliding connection with the back frame for back pad spare, the slide rail of bed can slide for the back frame. The backrest frame can rotate relative to the seat frame through the rotation connecting piece, the rotation connecting piece is respectively connected with the backrest frame and the seat frame, so that the relative angle between the backrest frame and the seat frame of the bed can be adjusted, and therefore, in the process of adjusting the relative angle between the backrest frame and the seat frame of the bed, the back cushion piece of the bed can independently slide to keep the back cushion piece of the bed attached to the back of a user, so that in the process of adjusting the backrest of the bed, the relative movement stroke between the back of the user and the back cushion piece of the bed is reduced, the back rubbing feeling is reduced, and the use experience of the user is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Additional aspects and advantages of the present invention will become apparent from and will be readily appreciated by reference to the following description of the embodiments taken in conjunction with the accompanying drawings,
wherein:
fig. 1 is a schematic structural view of a back rubbing prevention frame according to an embodiment of the present invention;
FIG. 2 is a schematic view of another angle of the back rubbing prevention frame shown in FIG. 1;
fig. 3 is a structural view of another angle of the back rubbing prevention frame shown in fig. 1.
Reference numerals: the back rubbing prevention frame 100, the back rest frame 200, the seat frame 300, the rotating connecting piece 400, the rocker 410, the first connecting rod 420, the seat frame fixing block 430, the slider 440, the second connecting rod 450, the back rest frame connecting block 460, the back cushion piece 500, the slide rail 600, the push rod 700 and the extending mounting frame 800.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
The utility model provides a prevent rubbing with hands back frame and have its chair, bed, back pad spare forms sliding connection through slide rail and back frame for back pad spare, slide rail can slide for back frame. The backrest frame can rotate relative to the seat frame through rotating the connecting piece, so that the relative angle between the backrest frame and the seat frame can be adjusted, the backrest cushion piece can independently slide in the process of adjusting the relative angle between the backrest frame and the seat frame, the back cushion piece is kept attached to the back of a user, the relative movement stroke of the back of the user and the backrest cushion piece is reduced in the process of adjusting the backrest, the back rubbing feeling is reduced, and the use experience of the user is improved.
The embodiments of the present invention will be further explained with reference to the drawings.
In a first aspect, embodiments of the present invention provide a back rubbing prevention frame 100.
In some embodiments, referring to fig. 1, the back-rubbing prevention frame 100 includes a back frame 200, a seat frame 300, a rotation connector 400, a slide rail 600, and a back pad 500. One end of the rotary connector 400 is connected with the backrest frame 200, the other end is connected with the seat frame 300, the backrest frame 200 is rotatably connected with the seat frame 300 through the rotary connector 400, so that the backrest frame 200 can rotate relative to the seat frame 300, and the purpose of adjusting the backrest position and the inclination angle is achieved. In addition, the slide rail 600 is fixed on the back rest frame 200 by a bolt, the back rest frame 200 is connected with the back cushion 500 in a sliding manner by the slide rail 600, and the back cushion 500 can slide relative to the back rest frame 200 by the slide rail 600, so that the back cushion frame can move independently in the process of adjusting the back rest, and the back cushion 500 can keep the state of being attached to the back of a user, thereby improving the comfort of the user. Therefore, the backrest frame 200 is rotatably connected with the seat frame 300 through the rotary connecting piece 400, the backrest frame 200 is in sliding connection with the back cushion 500 through the sliding rail 600, the function of adjusting the backrest can be realized, the stroke of relative movement between the back cushion 500 and the back of a user in the backrest adjusting process can be reduced, the back rubbing feeling is reduced, and the use experience of the user is improved.
In some embodiments, referring to fig. 1 and 2, the back plate of the back frame 200 of the back-rubbing prevention frame 100 is further provided with a retractable push rod 700, the bottom of the seat frame 300 is provided with a protruding mounting rack 800, and the push rod 700 is rotatably connected with the protruding mounting rack 800, so that the back frame 200 can rotate relative to the seat frame 300 around the rotational connection point of the push rod 700 and the protruding mounting rack 800. Under the condition that the backrest frame 200 rotates relative to the seat frame 300 around the rotation connection point of the push rod 700 and the extension mounting frame 800, the telescopic push rod 700 keeps rotating connection with the extension mounting frame 800 of the seat frame 300, so that the stability of rotation adjustment is improved, in addition, in the process that the backrest frame 200 rotates to adjust the backrest inclination angle, the rotation connecting piece 400 is matched with the telescopic push rod 700, the length of the telescopic adjusting push rod 700 is matched with the rotation adjusting rotation connecting piece 400, the relative distance between the backrest frame 200 and the extension mounting frame 800 is adjusted, so that the backrest cushion piece 500 which is slidably connected to the backrest frame 200 can be attached to the back of a user in the rotation process of the backrest frame 200, therefore, by arranging the telescopic push rod 700 on the backrest frame 200, the seat frame 300 is provided with the extension mounting frame 800, the push rod 700 is rotatably connected with the extension mounting frame 800, and the rotation connecting piece 400 is matched with the telescopic push rod 700 so that the stability of rotation adjustment of the backrest can be realized, and the relative distance between the backrest frame 200 and the extended mounting frame 800 can be adjusted, so that the back cushion 500 can be attached to the back of the user, thereby reducing the stroke of the relative movement between the back cushion 500 and the back of the user, reducing the back rubbing feeling and improving the use experience of the user.
In some embodiments, referring to fig. 1 and 2, the rotation connector 400 of the back-rubbing prevention frame 100 includes a rocker 410, a first link 420, and a seat frame fixing block 430, one end of the rocker 410 is hinged to one end of the first link 420, the other end of the first link 420 is rotatably connected to the seat frame fixing block 430, the other end of the rocker 410 is rotatably connected to a sliding block 440, the seat frame fixing block 430 is disposed at the bottom of the seat frame 300, and the sliding block 440 is disposed on the back frame 200. The rocking bar 410 can rotate relative to the first connecting bar 420 or the backrest frame 200, the first connecting bar 420 can rotate relative to the rocking bar 410 or the seat frame fixing block 430 or the seat frame 300, the shape of the rotating connecting piece 400 is changed by rotating the adjusting rocking bar 410 and the first connecting bar 420, so that the relative distance between the backrest frame 200 and the extending mounting frame 800 can be adjusted through the rotating connecting piece 400, the back cushion piece 500 which is connected with the backrest frame 200 in a sliding mode can be attached to the back of a user in the process of adjusting the inclination angle of the backrest in a rotating mode, the stroke of relative movement between the back cushion piece 500 and the back of the user is reduced, therefore, the shape of the rotating connecting piece 400 is changed by arranging the rocking bar 410, the first connecting bar 420, the sliding block 440 and the seat frame fixing block 430, the rotating adjusting rocking bar 410 and the first connecting bar 420, the relative distance between the backrest frame 200 and the extending mounting frame 800 can be adjusted through the rotating connecting piece 400, and the back cushion piece 500 can be attached to the back of the user in the rotating process of the backrest, thereby reducing the stroke of the relative motion between the back cushion piece 500 and the back of the user, reducing the back rubbing feeling and improving the use experience of the user.
In some embodiments, referring to fig. 1 and 2, the rotational connector 400 includes a rocker 410, a first link 420, a second link 450, a seat frame fixing block 430, a back frame fixing block 460, and a slider 440. One end of the rocker 410 is hinged with one end of the first link 420, the other end of the first link 420 is rotatably connected with the seat frame fixing block 430, the other end of the rocker 410 is rotatably connected with the sliding block 440, the sliding block 440 is arranged on the backrest frame 200, and the seat frame fixing block 430 is arranged at the bottom of the seat frame 300. One end of the second connecting rod 450 is rotatably connected to the backrest frame fixing block 460, the other end of the second connecting rod 450 is hinged to the first connecting rod 420, and the backrest frame fixing block 460 is disposed on the backrest frame 200. The shape of the rotation link 400 is changed by rotating the adjustment rocker 410 and the first link 420, so that the back frame 200 is adjusted in a relative distance from the protruding mounting bracket 800 by rotating the link 400. Seat frame fixed block 430 of being connected rotates with second connecting rod 450 sets up on back frame 200, and second connecting rod 450 is articulated with first connecting rod 420, can restrict first connecting rod 420's rotation orbit, thereby improve back frame 200 pivoted smoothness and stationarity, the realization can laminate user's back at back pivoted in-process back cushion spare 500, thereby reduce back cushion spare 500 and user back relative motion's stroke, reduce the sense of rubbing with the hands, improve the comfortable degree of back, user's use experience is improved.
In some embodiments, one end of the rocker 410 is hinged to one end of the first link 420, the other end of the first link 420 is rotatably connected to the seat frame fixing block 430, the other end of the rocker 410 is rotatably connected to the slider 440, the slider 440 is disposed on the back frame 200, the seat frame fixing block 430 is disposed at the bottom of the seat frame 300, a slide rail 600 is disposed between the back cushion 500 and the back frame 200, the back cushion 500 is slidably connected to the back frame 200 through the slide rail 600, the back frame can slide relative to the back frame 200, the back frame 200 is provided with a retractable push rod 700, the seat frame 300 is provided with a protruding mounting frame 800, the push rod 700 is rotatably connected to the protruding mounting frame 800, and the back frame 200 can rotate relative to the seat frame 300 around a connection point of the push rod 700 and the protruding mounting frame 800. The distance from the back cushion member 500 to the connection point of the push rod 700 and the extending mounting frame 800 is determined by the length of the rocker 410, the length of the rocker 410 is increased under the condition that the length of the first connecting rod 420 is fixed and the connection position of the rocker 410 and the back frame 200 is fixed, the distance from the back frame 200 to the connection point of the extending mounting frame 800 is correspondingly increased relative to the distance from the push rod 700 to the connection point of the extending mounting frame 800, and the distance from the back cushion member 500 to the connection point of the push rod 700 and the extending mounting frame 800 can be correspondingly increased due to the fact that the back cushion member 500 is slidably connected with the back frame 200 and the length of the rocker 410 is increased. In addition, the slidable distance of the back cushion 500 is determined by the length of the first link 420, and in the case that the length of the rocking bar 410 is fixed and the connection position of the rocking bar 410 and the back frame 200 is fixed, the length of the first link 420 is increased, the maximum distance of the back frame 200 with respect to the protrusion mount 800 is correspondingly increased, and the back cushion 500 is slidably connected with the back frame 200, so that the slidable distance of the back cushion 500 is increased as the length of the first link 420 is increased, that is, the length of the first link 420 is increased, and the slidable distance of the back cushion 500 with respect to the back frame 200 can be increased. Consequently, can adjust back pad piece 500 slidable distance through adjusting first link 420 length, adjust the distance of rocker 410 length adjustment back pad piece 500 to push rod 700 with stretch out the mounting bracket 800 tie point, realize back pad piece 500 and adjust on a large scale, thereby rotate the in-process of adjusting at the back, keep back pad piece 500 laminating user's back, reduce back pad piece 500 and user back relative motion's stroke, reduce and rub the back of the body and feel, improve user's use and experience.
It should be noted that, the distance from the back cushion 500 to the connection point of the push rod 700 and the extending mounting bracket 800 is determined by the length of the rocker 410, and under the condition that the length of the first link 420 is fixed and the connection position of the rocker 410 and the back frame 200 is fixed, the length of the rocker 410 is shortened, the distance from the back frame 200 to the connection point of the push rod 700 and the extending mounting bracket 800 is correspondingly reduced relative to the distance from the push rod 700 to the connection point of the extending mounting bracket 800, and because the back cushion 500 is slidably connected with the back frame 200, the length of the rocker 410 is shortened, and the distance from the back cushion 500 to the connection point of the push rod 700 and the extending mounting bracket 800 can be correspondingly reduced. In addition, the slidable distance of the back pad 500 is determined by the length of the first link 420, and in the case where the length of the rocking bar 410 is fixed and the connection position of the rocking bar 410 and the back frame 200 is fixed, the length of the first link 420 is shortened, the maximum distance of the back frame 200 with respect to the protrusion mount 800 is correspondingly reduced, and the back pad 500 is slidably connected with the back frame 200, so that the slidable distance of the back pad 500 is reduced as the length of the first link 420 is shortened, that is, the length of the first link 420 is shortened, and the slidable distance of the back pad 500 with respect to the back frame 200 can be reduced.
In some embodiments, a plurality of circular holes are formed in the rocker 410, and a plurality of bosses are formed on the first link 420, so that the rocker 410 is hinged to the first link 420 through the circular holes and the bosses. The rocker 410 is provided with round holes at different positions, and the round holes at different positions are matched with each other through bosses to be connected, so that the length of the rocker 410 can be adjusted. The slider 440 is provided with a round hole corresponding to the boss on the first link 420, so that the slider 440 is rotatably connected with the first link 420, and the bosses at different positions on the first link 420 are matched with the round holes on the slider 440, so that the length of the first link 420 can be adjusted. Consequently, through boss and the round hole of cooperation different positions, can adjust the length of rocker 410 and first connecting rod 420, reach the purpose of being convenient for adjust length, removed the step of replacing the rocker 410 or the first connecting rod 420 of other lengths from, improve user's use and experience.
In some embodiments, the back-rubbing prevention frame 100 further includes a first driving means for driving the back-rest 200 to rotate. One end of the rotary connecting piece 400 is rotatably connected to the backrest frame 200, the other end of the rotary connecting piece is rotatably connected to the seat frame 300, the telescopic push rod 700 is arranged on the backrest frame 200, the seat frame 300 is provided with an extending mounting frame 800, the push rod 700 is rotatably connected with the extending mounting frame 800, so that the backrest frame 200 can rotate relative to the seat frame 300 around the rotary connecting point of the push rod 700 and the extending mounting frame 800, the first driving device can drive the backrest frame 200 to rotate relative to the seat frame 300, the first driving device can be an air spring, the backrest frame 200 is provided with the air spring, and the position of a backrest is rotatably adjusted through the driving of the air spring; the first driving device may also be a motor, and the motor is disposed on the backrest frame 200 or the seat frame 300, and drives the backrest to rotate through a transmission device. The driving device is adopted to drive the backrest frame 200 to rotate, so that the backrest of the anti-back-rubbing frame 100 can be conveniently adjusted by a user, and the use experience of the user is improved.
In some embodiments, a plurality of sliding rails 600 are disposed between the back frame 200 and the back cushion 500, and the plurality of sliding rails 600 are mounted on the back plate of the back cushion 500, and the back cushion 500 is slidably connected to the back frame 200 through the plurality of sliding rails 600, which is equivalent to a plurality of stress points between the back cushion 500 and the back frame 200, so that the sliding connection between the back cushion 500 and the back frame 200 is more stable, and the sliding process of the back cushion 500 relative to the back frame 200 is more stable and smooth, therefore, the plurality of sliding rails 600 are disposed on the back cushion 500 to slidably connect with the back frame 200, so that the stress on the back cushion 500 is uniform during the use process, the stability of the sliding connection between the back cushion 500 and the back frame 200 and the smoothness of the sliding of the back cushion 500 are improved, the comfort of the back-rubbing prevention frame 100 is improved, and the durability of the sliding rails 600 and the back cushion 500 can be improved.
In some embodiments, a plurality of slide rails 600 are disposed between the back frame 200 and the back cushion 500, and the slide rails 600 are vertically and symmetrically distributed, the back cushion 500 is slidably connected to the back frame 200 through the slide rails 600, the back cushion 500 can slide relative to the back frame 200 through the slide rails 600, the back cushion 500 is stressed uniformly during the sliding process of the back cushion 500, and the back cushion 500 can slide along the direction in which the guide rails are vertically disposed through the guide rails arranged in the vertical direction, so that the stability of the sliding connection between the back cushion 500 and the back frame 200 and the smooth and steady sliding performance of the back cushion 500 are improved, the comfort of the back rubbing prevention frame 100 is improved, and the use experience of a user is improved.
In some embodiments, the back-rubbing prevention frame 100 further includes a second driving means for driving the back pad member 500 to slide with respect to the back frame 200. The slide rail 600 is arranged between the back frame 200 and the back cushion piece 500, the back cushion piece 500 is connected with the back frame 200 in a sliding mode through the slide rail 600, the back cushion piece 500 can slide relative to the back frame 200 through the slide rail 600, and the back cushion piece 500 is driven to slide relative to the back frame 200 through the second driving device, so that the adjustment of a user is facilitated. The second driving device may be an elastic reset component disposed in the guide rail, such as a spring and rubber, which can drive the back cushion member 500 to reset, and the spring and the rubber disposed in the guide rail also have the function of buffering and damping, so as to improve the user experience. The second driving device can also be an independent motor arranged on the backrest frame 200, and the independent motor controls the backrest piece 500 to slide relatively, so that the position of the backrest piece 500 can be adjusted independently in the backrest adjusting process, the backrest piece 500 is kept to be attached to the back of a user, the stroke of relative movement between the back of the user and the backrest piece 500 is reduced, the back rubbing feeling is reduced, and the use experience of the user is improved. Therefore, the second driving device for driving the back cushion member 500 to slide relative to the back frame 200 is disposed on the back-rubbing prevention frame 100, so that a user can conveniently adjust the back of the back-rubbing prevention frame 100, and the user experience is improved.
In a second aspect, embodiments of the present invention provide a chair, including the back rubbing prevention frame 100 as in the first aspect.
The chair of the embodiment of the present invention includes the back rubbing prevention frame 100 as in the above first aspect embodiment, and the back cushion member 500 forms a sliding connection with the back frame 200 through the slide rail 600, so that the back cushion member 500 can slide relative to the back frame 200 through the slide rail 600. The backrest frame 200 can rotate relative to the seat frame 300 through the rotating connecting piece 400, so that the relative angle between the backrest frame 200 and the seat frame 300 can be adjusted, therefore, in the process of adjusting the inclination angle of the chair backrest, the backrest cushion piece 500 can slide to keep the backrest cushion piece 500 attached to the back of a user, the stroke of relative movement between the backrest cushion piece 500 and the back of the user is reduced, the back rubbing feeling generated in the process of adjusting the chair backrest by the user is reduced, and the use experience of the user is improved.
Since the chair in this embodiment and the back rubbing prevention frame in the above embodiments belong to the same inventive concept, other specific embodiments of the chair in this embodiment may refer to the specific embodiment of the back rubbing prevention frame in the above embodiments, and in order to avoid redundancy, further description of the other specific embodiments of the chair in this embodiment is omitted here.
In a third aspect, embodiments of the present invention provide a bed, including the back-rubbing prevention frame 100 as in the first aspect.
The bed of the embodiment of the present invention comprises the back rubbing prevention frame 100 as described in the above first aspect embodiment, and the back cushion member 500 is slidably connected to the back frame 200 through the slide rail 600, so that the back cushion member 500 can slide relative to the back frame 200 through the slide rail 600. Rotate connecting piece 400 one end and connect on back frame 200, the other end is connected on seat frame 300, make back frame 200 can cross rotate for seat frame 300 through rotating connecting piece 400, thereby it is adjustable to realize the back inclination of bed, adjust when the back angle to the bed, back cushion 500 can cross through the slip laminating user, follow user's back and slide for back frame 200, reduce the stroke of user back and back cushion 500 relative motion, reduce the sense of rubbing with the hands, improve the comfortable degree of bed, improve user's use experience.
Since the bed in this embodiment and the back rubbing prevention frame in the above embodiments belong to the same inventive concept, other specific embodiments of the bed in this embodiment may refer to the specific embodiments of the back rubbing prevention frame in the above embodiments, and in order to avoid redundancy, further description of other specific embodiments of the bed in this embodiment is omitted here.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge scope of those skilled in the art.
Claims (10)
1. An anti-back rubbing frame, comprising: the back frame, the seat frame, rotate connecting piece, slide rail and back cushion spare, the slide rail sets up back cushion spare with between the back frame, back cushion spare passes through the slide rail with back frame sliding connection makes back cushion spare can for the back frame slides, rotate the connecting piece one end with the back frame is connected, the other end with the seat frame is connected, the back frame can for the seat frame rotates.
2. The back rubbing prevention frame according to claim 1, wherein the rotating connection member comprises a rocker, a first connecting rod, a sliding block and a seat frame fixing block, one end of the rocker is hinged to one end of the first connecting rod, the other end of the first connecting rod is rotatably connected to the seat frame fixing block, the other end of the rocker is rotatably connected to the sliding block, the sliding block is arranged on the back frame, and the seat frame fixing block is arranged at the bottom of the seat frame.
3. The back-rubbing prevention frame according to claim 2, wherein the rotary connector further comprises a second connecting rod and a back-rest fixing block, the second connecting rod is hinged to the first connecting rod, the second connecting rod is rotatably connected to the back-rest fixing block, and the back-rest fixing block is disposed on the back-rest frame.
4. The back rubbing prevention frame according to claim 2, wherein the back rest frame is further provided with a telescopic push rod, the seat frame is provided with a protruding mounting frame, the push rod is rotatably connected with the protruding mounting frame, and the back rest frame can rotate relative to the seat frame around a rotation connection point of the push rod and the protruding mounting frame.
5. The anti-back-rub frame according to claim 4, wherein the slidable distance of the back pad is determined by the length of the first link, and the distance from the back pad to the pivotal connection point of the push bar to the reach out mount is determined by the length of the rocker.
6. The back-rubbing prevention frame according to claim 1 or 4, further comprising a first driving means for driving the back frame to rotate.
7. The back rub prevention frame of claim 1, wherein the slide rail is provided in plurality, and the plurality of slide rails are installed at a back plate of the back pad.
8. The back support frame according to claim 1 or 7, further comprising a second driving means for driving the back pad to slide relative to the back support frame.
9. A chair comprising an anti-back-rubbing frame according to any one of claims 1 to 8.
10. A bed comprising an anti-back-rubbing frame according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022392835.XU CN213940212U (en) | 2020-10-23 | 2020-10-23 | Back rubbing prevention frame and chair and bed with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022392835.XU CN213940212U (en) | 2020-10-23 | 2020-10-23 | Back rubbing prevention frame and chair and bed with same |
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| Publication Number | Publication Date |
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| CN213940212U true CN213940212U (en) | 2021-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022392835.XU Active CN213940212U (en) | 2020-10-23 | 2020-10-23 | Back rubbing prevention frame and chair and bed with same |
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| CN (1) | CN213940212U (en) |
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