CN204181264U - A kind of convenient chair of having a rest - Google Patents
A kind of convenient chair of having a rest Download PDFInfo
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- CN204181264U CN204181264U CN201420611029.9U CN201420611029U CN204181264U CN 204181264 U CN204181264 U CN 204181264U CN 201420611029 U CN201420611029 U CN 201420611029U CN 204181264 U CN204181264 U CN 204181264U
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- rest
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Abstract
The utility model relates to a kind of convenient chair of having a rest.A kind of convenient chair of having a rest, comprise base, support bar, pallet, cushion and backrest, support bar lower end is connected with base, post upper connecting trays, pallet is provided with cushion, two swing arms are provided with in the front end bilateral symmetry of cushion, the rear end of swing arm and the position of both sides, cushion front end hinged, the front end of swing arm is connected with leg rest cushion, swing arm is turned over and leg rest cushion is received to cushion rear position place, and swing arm overturns forward and is limited in certain position by stopping means and realizes leg rest rest to make leg rest cushion play a role.Swing arm and leg rest cushion be combined to form for leg rest have a rest foot-operated, after adopting stopping means, chair foot-operated in use, can on a large scale adjusting angle, individual can select oneself optimum angle, reaches best rest effect.When not using foot-operated, foot-operated gathering, leg rest cushion can be accommodated in backrest rear, substantially reduce shared space.
Description
Technical field
The utility model belongs to field of sanitary equipment, particularly a kind of convenient chair of having a rest.
Background technology
Chair, as rest furniture conventional in people's daily life, occupies critical role in the life of people.Traditional chair does not have foot-operated, or has foot-operated but be foot-operatedly fixed on certain angle, and do not possess regulatory function, such design can not make everyone reach best rest effect.Application number is 201020273669.5 patent discloses and a kind ofly have flexible foot-operated chair, achieve foot-operated angular adjustment, solve the deficiency of conventional chair to a certain extent, but it connects comparatively complicated on the one hand, it keeps the fixing of foot-operated angle by the frictional force between each function steel disc on the other hand, this fixing stable not, when being subject to larger external force, easy generation between each function steel disc is slided, thus does not reach the effect of angular adjustment.
Utility model content
The purpose of this utility model is to provide a kind of convenient chair of having a rest, and its structure, connected mode are comparatively simple, and when being fixed on certain angle, even if also can stationary state be kept when being subject to larger External Force Acting.
The technical scheme in the invention for solving the above technical problem is:
A kind of convenient chair of having a rest, comprise base, support bar, pallet, cushion and backrest, support bar lower end is connected with base, post upper connecting trays, pallet is provided with cushion, two swing arms are provided with in the front end bilateral symmetry of cushion, the rear end of swing arm and the position of both sides, cushion front end hinged, the front end of swing arm is connected with leg rest cushion, swing arm is turned over and leg rest cushion is received to cushion rear position place, and swing arm overturns forward and is limited in certain position by stopping means and realizes leg rest rest to make leg rest cushion play a role.Swing arm and leg rest cushion be combined to form for leg rest have a rest foot-operated, after adopting described stopping means, chair foot-operated in use, can on a large scale adjusting angle, individual can select oneself optimum angle, reaches best rest effect.Simultaneously when not using foot-operated, foot-operated gathering, leg rest cushion can be accommodated in the space of backrest bottom, substantially reduce shared space.
As preferably, described stopping means is ratchet hornwork, ratchet hornwork comprises the axle bed being fixedly installed on position, the left and right sides, cushion front end, axle bed is fixed with axle bottom, axle bottom is fixed with axle enclosing cover, axle bottom is connected by the first bearing pin with axle enclosing cover, central area between axle bottom and axle enclosing cover is provided with screens sheet, swing arm rear end forms the ratchet of periphery with unidirectional tooth, ratchet stretches between axle bottom and axle enclosing cover, screens sheet and ratchet wheel face are affixed, and the center of ratchet and screens sheet is common and the first bearing pin is rotationally connected; Edge region between axle bottom and axle enclosing cover is provided with the ratchet that coordinates with ratchet, screens sheet and the elastic component with click-fit, described ratchet is hinged by the second bearing pin and axle bottom, axle enclosing cover, the trend that ratchet keeps under the effect of elastic component and screens sheet, ratchet outer peripheral edge offset; Described screens sheet entirety is rounded, and the periphery of screens sheet is provided with the first fan-shaped breach, the second breach, forms stopper between the first breach and the second breach; Described ratchet is provided with the shifting block protruding from ratchet wheel face, the rotation of screens sheet is stirred when shifting block to be in the first breach and to rotate with swing arm, the outer peripheral edge of the screens sheet beyond the first breach and the second breach protrudes from unidirectional tooth outer rim thus ratchet and unidirectional tooth is thrown off, and ratchet enters into after in the second breach and then engages with the unidirectional tooth at diverse location place.When swing arm is at rounding state, the outer peripheral edge of the screens sheet beyond ratchet and the first breach and the second breach offsets, and makes ratchet and unidirectional tooth depart from fastening state.When needs are opened foot-operated, rotate swing arm, when turning to certain angle, the shifting block be positioned on swing arm end face offsets with the stopper be positioned on screens sheet, now be rotated further swing arm, stopper is stirred screens sheet and is rotated together thereupon, until ratchet enters in the second breach, thus engage with unidirectional tooth, the angle that now swing arm is opened reaches maximum.Due to the setting of ratchet positioner, the direction that now angle reduced in the past only regulates swing arm, is adjusted to the most applicable angle of oneself having a rest always.When needs draw swing arm in, when counter-rotation swing arm is to certain angle, the shifting block be positioned in swing arm can offset with the other end of the first breach on screens sheet, now being rotated further swing arm can drive screens sheet to rotate together, during to certain angle, the outer peripheral edge of the screens sheet beyond the first breach and the second breach can offset with ratchet, makes ratchet and unidirectional tooth depart from engaging, continues draw swing arm in and leg rest cushion is placed in cushion rear position place.
As preferably, the rear end of axle bottom and axle enclosing cover is fixed with sidewall, and described elastic component one end and ratchet are fitted, and the other end and sidewall offset.Be fixedly installed sidewall in the rear end of axle bottom and axle enclosing cover, elastic component is supported, thus award the certain restoring force of ratchet, make ratchet structure be achieved its function.
As preferably, the described ratchet back side caves inward formation groove, and described elastic component is provided with projection with detent recess corresponding position, protruding and fit depressions.Such setting, makes the position of ratchet and flexure strip be fixed, not easily produces slippage.
As preferably, this chair comprises the bracket installing cushion, and described bracket comprises the fixed support being arranged on cushion both sides, and be connected by fixation steel plate between two fixed supports, described axle bed is fixedly installed on fixed support front end; Described fixation steel plate is fixedly connected with pallet upper end.Arranging bracket, give axle bed fixed position on the one hand, is also lay to cushion to provide convenience on the other hand.
As preferably, described axle bed is directly fixed on the left and right sides of cushion.
As preferably, between described axle bottom and axle enclosing cover, the width in gap is suitable with ratchet thickness sum with screens sheet; Between described axle bottom and axle enclosing cover, the width in gap is suitable with the thickness of ratchet.This set makes to be closely connected between each parts, and when ensure that work, state is stable.
As preferably, described ratchet is bidentate structure, and the spacing between bidentate is suitable with the spacing between unidirectional tooth.This set, makes to engage between ratchet with unidirectional tooth tightr, not easily throws off.
As preferably, described shifting block is made up of to in-flanges the punching on ratchet wheel face.Because shifting block is that punching press is formed, structure and production technology are all very simple, reduce production cost on the one hand, compare the shifting block that other modes such as welding are arranged on the other hand, have higher stabilized soil pavement.
As preferably, described stopping means is gear engagement mechanism, and described gear engagement mechanism comprises the hollow cylinder being fixedly installed on cushion front end He being arranged on swing arm rear end, described hollow cylinder one end open, and the other end is closed, the hollow cylinder inside being arranged on swing arm rear end is provided with spring and the second face gear, and described second face gear is fixed in hollow cylinder inner circumferential, moves axially, described gear engagement mechanism also comprises gear plate, gear plate lower end is fixedly connected with the hollow cylinder being fixedly installed on cushion front end by screw, gear plate upper end is fixed with the first face gear, described first end face gear face is provided with blind hole, through hole is provided with in the middle of blind hole, described gear engagement mechanism also comprises the button that has wider base and narrower head, the base of button is arranged in blind hole, the head of button is through through hole, the base bottom of button and the end face of the second face gear when the first face gear and the second face gear are meshed are offseted, described gear engagement mechanism also comprises the 3rd bearing pin, and the 3rd bearing pin one end is fixed on the bottom surface of the hollow cylinder of swing arm, and the other end is successively through the hollow cylinder of swing arm rear end, spring and the second face gear, first face gear and the second face gear cooperatively interact.When swing arm remains static, the first face gear and the second face gear engage mutually, now foot-operated fixing unadjustable.When needs adjustment angle, only need button press, thus drive the second face gear and spring movement, make the first face gear and the second face gear depart from fastening state, now, rotate swing arm to reach the object of adjusting angle.When being adjusted to proper angle, release button, by the effect of spring-return power, the second face gear does return motion, makes to continue engaging between two face gears, thus realizes the object of angular adjustment.
As preferably, described gear plate and be provided with packing ring between the hollow cylinder of swing arm rear end.Owing to being provided with packing ring, making to obtain buffering between hollow cylinder and gear plate, reduce the possibility of wearing and tearing between parts.
As preferably, described hollow cylinder body side surface is provided with the passage with hollow cylinder plane perpendicular; Described second face gear sidewall is provided with the fin matched with this passage, and the diameter of the second face gear is suitable with the internal diameter of hollow cylinder; Described fin snap-fits in passage, the second face gear is fixed in hollow cylinder inner circumferential, moves axially.Circumference is arranged in connection between second face gear and hollow cylinder fixing, moves axially, make to drive when swing arm is rotated the second face gear to rotate together; When swing arm is static, release button, after the first face gear and the second face gear engage, swing arm also can stablize state.
As preferably, described backrest the right and left is provided with back bracket, and back bracket bottom extends to cushion front end along the cushion left and right sides, and hollow cylinder is arranged on the front end of back bracket extension.
As preferably, described button head is the screw terminal of hexagonal configuration.When connection the 3rd bearing pin and button, button fixed by one end spanner, and the other end rotates the 3rd bearing pin.Button head being set to the screw terminal of hexagonal configuration, is in order to when fastening, can facilitate the fixing of button.
As preferably, described button head end face is provided with the groove chimeric with screwdriver.In like manner, it is also in order to time fastening that button head end face arranges the groove chimeric with screwdriver, is convenient to the fixing of button.
As preferably, described swing arm is telescopic swing arm.Swing arm is telescopic swing arm, when rounding state, can reduce the space shared by swing arm further, and when for leg rest, can decide the length that swing arm stretches out, can adapt to larger crowd and use according to the length of different people's legs.
As preferably, described backrest bottom is recessed to form when swing arm is drawn in for laying the space of leg rest cushion backward by certain radian.
As preferably, described leg rest cushion comprises the first cushion, the first cushion and swing arm front end hinged, second cushion one end and the first cushion hinged, the other end is hinged with two " U " shape slide blocks be arranged on swing arm two side stand.When the rest of needs leg rest, leg rest cushion is expanded to maximum, gives foot with maximum support face, reduce unit area loading, make people can obtain good rest effect.When drawing swing arm in, by folding first cushion and the second cushion, thus reduction taken up space further.
As preferably, described leg rest cushion comprises the first cushion, the first cushion and swing arm front end hinged, second cushion one end and the first cushion hinged, the other end is set up in swing arm.In like manner, while guaranteeing that foot obtains good rest, the space taken is also less.
The utility model compared with prior art, has the following advantages and effect:
The utility model adopts swing arm to connect leg rest cushion, and swing arm and the pivot joint of cushion front end, overturn forward swing arm during use to make leg rest cushion be in seat front and be limited in different gears by stopping means to use, not the used time turn over swing arm make leg rest cushion hide to cushion rear position, take up room hardly, after storage, overall appearance is influenced hardly.
Moreover, on the market other type support foot rest due to structural design unreasonable, leg rest cushion supports only to lower leg portion, and blood compressing is more serious; Again or support foot rest realize extended length by the form that more piece sleeve pipe is socketed or shrink to reach the object that feet is followed, but the feature of this structure to be support strength inadequate; And the utility model just solves the problems referred to above cleverly: by the version of swing arm with the pivot joint of cushion front end, make swing arm expansion rear support length enough arrive heel, support more effective and comfortable, and support strength is enough to meet various crowd.
Again furtherly, the utility model provides two kinds of different stopping means, and gives concrete scheme:
In the first stopping means scheme, chair foot-operated in use, can on a large scale adjusting angle, individual can select oneself optimum angle, reaches best rest effect.Simultaneously when not using foot-operated, foot-operated gathering, leg rest cushion can be accommodated in the space of backrest bottom, take any space hardly.
In first scheme, when swing arm is at rounding state, the outer peripheral edge of the screens sheet beyond ratchet and the first breach and the second breach offsets, and makes ratchet and unidirectional tooth depart from fastening state.When needs are opened foot-operated, rotate swing arm, when turning to certain angle, the shifting block be positioned on swing arm end face offsets with the stopper be positioned on screens sheet, now be rotated further swing arm, stopper is stirred screens sheet and is rotated together thereupon, until ratchet enters in the second breach, engage with the unidirectional tooth at diverse location place, the angle that now swing arm is opened reaches maximum.Due to the setting of ratchet positioner, now can in the past angle reduce direction regulate swing arm, be adjusted to always the most applicable oneself have a rest angle.When needs draw swing arm in, when counter-rotation swing arm is to certain angle, the shifting block be positioned in swing arm can offset with the other end of the first breach on screens sheet, now being rotated further swing arm can drive screens sheet to rotate together, during to certain angle, the outer peripheral edge of the screens sheet beyond the first breach and the second breach can offset with ratchet, makes ratchet and unidirectional tooth depart from engaging, continues draw swing arm in and leg rest cushion is placed in cushion rear position place.
In sum, this kind of scheme does not need to operate change and the fourth gear location that any button just can realize angle, and gear can also carry out according to actual needs improving and arrange, and such as can be arranged to five grades or six grades etc.
In stopping means alternative plan, when swing arm remains static, the first face gear and the second face gear engage mutually, now foot-operated fixing unadjustable.When needs adjustment angle, only need button press, thus drive the second face gear and spring movement, make the first face gear and the second face gear depart from fastening state, now, rotate swing arm to reach the object of adjusting angle.When being adjusted to proper angle, release button, by the effect of spring-return power, the second face gear does return motion, makes to continue engaging between two face gears, thus realizes the object of angular adjustment.
Meanwhile, no matter be in first scheme or alternative plan, after swing arm and leg rest cushion draw in, occupy additional space hardly, the configuration of chair is not had an impact.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model swing arm rounding state.
Fig. 2 is the structural representation of the utility model swing arm open mode.
Fig. 3 is the structural representation of the support of foot-operated in embodiment 1, ratchet hornwork, fixed support and backrest.
Fig. 4 is the enlarged drawing at A place in Fig. 3.
Fig. 5 is another multi-angled view at A place in Fig. 3.
Fig. 6 is the view that embodiment 1 gear is in a grade.
Fig. 7 is the enlarged drawing at B place in Fig. 6.
Fig. 8 is the view that embodiment 1 gear is in second gear.
Fig. 9 is the enlarged drawing at C place in Fig. 8.
Figure 10 is the view that embodiment 1 gear is in third gear.
Figure 11 is the partial enlarged drawing at D place in Figure 10.
Figure 12 is the view that embodiment 1 gear is in fourth gear.
Figure 13 is the enlarged drawing at E place in Figure 12.
Figure 14 is the view that embodiment 1 gear is in neutral gear.
Figure 15 is the enlarged drawing at F place in Figure 14.
Figure 16 is the view that embodiment 1 swing arm is drawn in.
Figure 17 is the enlarged drawing at G place in Figure 16.
Figure 18 is the structural representation of the support of foot-operated in embodiment 2, gear engagement mechanism, fixed support and backrest.
Figure 19 is the enlarged drawing as H place in 18.
Figure 20 is the view of another angle of H place in Figure 18.
Figure 21 is the enlarged drawing at I place in Figure 18.
Figure 22 is leg rest cushion rounding state schematic diagram in embodiment 2.
Code name title in figure:
Base 1 support bar 2 pallet 3 cushion 4
Handrail 5 backrest 6 swing arm 71 leg rest cushion 9
First cushion 91 second cushion 92 ratchet hornwork 8 axle bed 89
Axle bottom 81 screens sheet 82 ratchet 83 ratchet 84
Elastic component 85 axle enclosing cover 86 first bearing pin 87 second bearing pin 88
Unidirectional tooth 831 shifting block 832 screens sheet outer peripheral edge 821 first breach 822
Stopper 824 second breach 823 fixed support 72 fixation steel plate 10
Gear engagement mechanism 12 hollow cylinder 128 spring 124 gear plate 121
First face gear 122 second face gear 125 the 3rd bearing pin 123
Button 126 packing ring 127 space 11 " U " shape slide block 93.
Detailed description of the invention
Below in conjunction with accompanying drawing, also by embodiment, the utility model is described in further detail, and following examples are that the utility model is not limited to following examples to explanation of the present utility model.
Embodiment 1:
As Fig. 1 to Fig. 2, a kind of convenient chair of having a rest, comprise base 1, base 1 is positive pentalpha, and it comprises the equal support of five length, and one, support is provided with wheel; Base 1 is fixedly connected with back shaft 2 lower end, back shaft 2 upper end connecting trays 3, and back shaft 2 is provided with gas bar spring assembly, can regulate height.Pallet 3 is provided with cushion 4, pallet 3 left and right sides is provided with handrail 5, and pallet 3 rear portion is provided with backrest 6, and backrest 6 bottom inwardly falls into afterwards by certain radian and forms space 11.Two swing arms 71 are provided with in the front end bilateral symmetry of cushion 4, the front end of two swing arms 71 is connected by a support, the position of swing arm 71 rear end and both sides, cushion 4 front end is hinged, the support that swing arm 71 front end connects is hinged with leg rest cushion 9, swing arm 71 is turned over and is made leg rest cushion 9 receive space 11 place to cushion 4 rear, and swing arm 71 overturns forward and is fixed on certain position by ratchet hornwork 8 and has a rest to make leg rest cushion 9 play a role to realize leg rest.It is hinged with the support being connected two swing arm 71 front ends that leg rest cushion 9 comprises the first cushion 91, first cushion 91, second cushion 92 one end and the first cushion 91 hinged, the other end be arranged on " U " shape slide block in swing arm 71 93 by a hinge.After deployment, length can reach the heel place of user in swing arm 71, supports more effective and comfortable, and due to heel place, to there is blood vessel less, also less to human vas compressing, to healthy and beneficial.And after leg rest cushion 9 is launched completely, make to become very large to the supporting surface of pin, further reduce the compressing to blood vessel, make people more comfortable when rest.
As shown in Figures 3 to 5, on pallet 3, be also provided with bracket under cushion 4, bracket comprises two fixed supports 72 being arranged on cushion 4 both sides, connected by fixation steel plate 10 between two fixed supports 72, fixation steel plate 10 is fixedly connected with by screw with pallet 3.The front end of two fixed supports 72 is provided with axle bed 89, axle bed 89 is fixed with axle bottom 81, axle bottom 81 is fixed with axle enclosing cover 86, axle bottom 81 is connected by the first bearing pin 87 with axle enclosing cover 86, between axle bottom 81 and axle enclosing cover 86, the central area in space is provided with screens sheet 82, swing arm 71 rear end forms the ratchet 83 of periphery with unidirectional tooth 831, ratchet 83 stretches between axle bottom 81 and axle enclosing cover 86, screens sheet 82 and ratchet 83 wheel face are affixed, and ratchet 83 is rotationally connected with the first bearing pin 87 with the center of both screens sheets 82 is common; Between axle bottom 81 and axle enclosing cover 86, the edge region in space is provided with the ratchet 84 coordinated with ratchet 83, screens sheet 82 and the elastic component 85 coordinated with ratchet 84, described ratchet 84 is hinged by the second bearing pin 88 and axle bottom 81, axle enclosing cover 86, the trend that ratchet 84 keeps under the effect of elastic component 85 and screens sheet 82, ratchet 83 outer peripheral edge offset; Described screens sheet 82 is overall rounded, and the periphery of screens sheet 82 is provided with between the first fan-shaped breach 822, second breach 823, first breach 822 and the second breach 823 and forms stopper 824; Described ratchet 83 is provided with the shifting block 832 protruding from ratchet 83 wheel face, stir screens sheet 82 when shifting block 832 to be in the first breach 822 and to rotate with swing arm 71 to rotate, the outer peripheral edge 821 of the screens sheet 82 beyond the first breach 822 and the second breach 823 protrudes from unidirectional tooth 831 outer rim thus ratchet 84 and unidirectional tooth 831 is thrown off, and ratchet 84 enters into after in the second breach 823 and then engages with the unidirectional tooth 831 at diverse location place.
As shown in Fig. 6 to Figure 17, due to the radian of the second breach 823, can hold 4 unidirectional teeth 831, thus, swing arm 71 has four gears, can be fixed in corresponding four angles.When swing arm 71 is at rounding state, the screens sheet outer peripheral edge 821 beyond ratchet 84 and the first breach 822 and the second breach 823 offsets, and makes ratchet 84 and unidirectional tooth 831 depart from fastening state.When needs are opened foot-operated, rotate swing arm 71, when turning to certain angle, the shifting block 832 be positioned on ratchet 83 end face offsets with the stopper 824 be positioned on screens sheet 82, now be rotated further swing arm, stopper 824 is stirred screens sheet 82 and is rotated together thereupon, until ratchet 84 enters in the second breach 823 and engages with unidirectional tooth 831, now swing arm 71 is in the position of first grade, and the angle that namely swing arm 71 is opened reaches maximum.Due to the setting of ratchet positioner 8, the direction that now angle reduced in the past only regulates swing arm 71, is adjusted to the most applicable angle of oneself having a rest always.When needs draw swing arm 71 in, counter-rotation swing arm 71 to fourth speed position, now be rotated further swing arm 71, the shifting block 832 be positioned on ratchet 83 wheel face can offset with the other end of the first breach 822 on screens sheet 82, now being rotated further swing arm 71 can drive screens sheet 82 to rotate together, during to certain angle, the outer peripheral edge 821 of the screens sheet 82 beyond the first breach 822 and the second breach 823 can offset with ratchet 84, make ratchet 84 and unidirectional tooth 831 depart from engaging, continue draw swing arm 71 in and leg rest cushion 91 is placed in cushion rear position place.
In order to make screens sheet, ratchet and ratchet be fixed, not easily depart from, the width and the screens sheet 82 that arrange gap between axle bottom 81 and axle enclosing cover 86 are suitable with ratchet 83 thickness sum; Between axle bottom 81 and axle enclosing cover 86, the width in gap is suitable with the thickness of ratchet 84.Ratchet 84 is bidentate structure, and the spacing between bidentate and the spacing between unidirectional tooth 83 are suitable, and this design makes that engaging is between the two more firm not easily to depart from.Shifting block 832 is made up of to in-flanges the punching on ratchet 83 end.Because shifting block 832 is made up of to in-flanges punching, the shifting block that the modes such as its relative welding are obtained has high intensity, and not fragile, cost is also lower comparatively speaking.Swing arm 71 also can be set to telescopic swing arm, the space taken is reduced on the one hand further when rounding state, the length making on the other hand user swing arm can be regulated voluntarily to stretch out according to the length of the height of oneself and leg, makes it more effective and comfortable to the support of leg.
Need by button or switch ability adjusting angle relative to some support foot rests on the market, the utility model does not need to operate change and the fourth gear location that any button just can realize angle, simple and convenient, reduces the manipulation strength of user.
Embodiment 2:
As Figure 18 to Figure 22, backrest 6 the right and left is provided with back bracket, and back bracket bottom extends to cushion 4 front end along cushion 4 left and right sides, thus forms fixed support 72.Between fixed support 72 and swing arm 71, be provided with gear engagement mechanism 12 complete connection between the two and the object making it to reach angular adjustment.Described gear engagement mechanism 12 comprises the hollow cylinder 128 being fixedly installed on cushion 4 front end He being arranged on swing arm rear end, this hollow cylinder 128 one end open, and the other end is closed; Hollow cylinder 128 inside being arranged on swing arm rear end is provided with spring 124 and the second face gear 125.Described hollow cylinder 128 side is provided with the passage with hollow cylinder 128 plane perpendicular; Described second face gear 125 sidewall is provided with the fin matched with this passage, and the diameter of the second face gear 125 is suitable with the internal diameter of hollow cylinder; Described fin snap-fits in passage, the second face gear is fixed in hollow cylinder inner circumferential, moves axially.Described gear engagement mechanism 12 also comprises gear plate 121, gear plate 121 lower end is fixedly connected with the hollow cylinder 128 being fixedly installed on cushion 4 front end by screw, gear plate 121 upper end is fixed with the first face gear 122, described first face gear 122 end face is provided with blind hole, through hole is provided with in the middle of blind hole, described gear engagement mechanism 12 also comprises the button that has wider base and narrower head, the base of button is arranged in blind hole, the head of button is through through hole, the base bottom of button and the end face of the second face gear when the first face gear and the second face gear are meshed are offseted, described gear engagement mechanism 12 also comprises the 3rd bearing pin the 123, three bearing pin 123 one end and is fixed on the bottom surface of hollow cylinder 128 of swing arm 71, and the other end is successively through the hollow cylinder 128 of swing arm 71 rear end, spring 124 and the second face gear 125, first face gear and the second face gear cooperatively interact.When swing arm 71 remains static, the first face gear 122 and the second face gear 125 engage mutually, now foot-operated fixing unadjustable.When needs adjustment angle, only need button press 126, thus drive the second face gear 125 and spring 124 to move, make the first face gear 122 and the second face gear 125 depart from fastening state, now, rotate swing arm 71 to reach the object of adjusting angle.When being adjusted to proper angle, release button 126, by the effect of spring 124 restoring force, the second face gear 125 does return motion, makes to continue engaging between two face gears, thus realizes the object of angular adjustment.Gear plate 121 and be provided with packing ring 127 between the hollow cylinder 128 of swing arm 71 rear end.Owing to being provided with packing ring 127, making to obtain buffering between hollow cylinder 128 and gear plate 121, reduce the possibility of wearing and tearing between parts.
The leg rest cushion 9 shelving rest for pin is provided with in swing arm 71 front end, leg rest cushion 9 comprises the first cushion, first cushion 91 by hinge structure and swing arm 71 front end hinged, second cushion 92 one end and the first cushion 91 hinged, the other end is set up on swing arm 71 liang of side stands.
Claims (19)
1. a convenient chair of having a rest, comprise base (1), support bar (2), pallet (3), cushion (4) and backrest (6), support bar (2) lower end is connected with base (1), support bar (2) upper end connecting trays (3), pallet (3) is provided with cushion (4), it is characterized in that: be provided with two swing arms (71) in the front end bilateral symmetry of cushion (4), the rear end of swing arm (71) and the position of cushion (4) both sides, front end hinged, the front end of swing arm (71) is connected with leg rest cushion (9), swing arm (71) is turned over and leg rest cushion (9) is received to cushion (4) rear position place, swing arm (71) overturns forward and is limited in certain position by stopping means and realizes leg rest rest to make leg rest cushion (9) play a role.
2. a kind of convenient chair of having a rest according to claim 1, it is characterized in that: described stopping means is ratchet hornwork (8), ratchet hornwork (8) comprises the axle bed (89) being fixedly installed on position, cushion (4) left and right sides, front end, axle bed (89) is fixed with axle bottom (81), axle bottom (81) is fixed with axle enclosing cover (86), axle bottom (81) is connected by the first bearing pin (87) with axle enclosing cover (86), central area between axle bottom (81) and axle enclosing cover (86) is provided with screens sheet (82), swing arm (71) rear end forms the ratchet (83) of periphery with unidirectional tooth (831), ratchet (83) stretches between axle bottom (81) and axle enclosing cover (86), screens sheet (82) and ratchet (83) wheel face are affixed, and ratchet (83) is rotationally connected with the first bearing pin (87) with screens sheet (82) both centers are common, edge region between axle bottom (81) and axle enclosing cover (86) is provided with the ratchet (84) coordinated with ratchet (83), screens sheet (82) and the elastic component (85) coordinated with ratchet (84), described ratchet (84) is hinged by the second bearing pin (88) and axle bottom (81), axle enclosing cover (86), the trend that ratchet (84) keeps under the effect of elastic component (85) and screens sheet (82), ratchet (83) outer peripheral edge offset, described screens sheet (82) is overall rounded, and the periphery of screens sheet (82) is provided with fan-shaped the first breach (822), the second breach (823), forms stopper (824) between the first breach (822) and the second breach (823), described ratchet (83) is provided with the shifting block (832) protruding from ratchet (83) wheel face, screens sheet (82) rotation is stirred when shifting block (832) to be in the first breach (822) and to rotate with swing arm (71), the outer peripheral edge (821) of the screens sheet (82) beyond the first breach (822) and the second breach (823) protrudes from unidirectional tooth (831) outer rim thus ratchet (84) and unidirectional tooth (831) is thrown off, ratchet (84) enter into the second breach (823) interior after then engage with the unidirectional tooth (831) at diverse location place.
3. a kind of convenient chair of having a rest according to claim 2, is characterized in that: axle bottom (81) is provided with sidewall with the rear end of axle enclosing cover (86), and described elastic component (85) one end and ratchet (84) are fitted, and the other end and sidewall offset.
4. a kind of convenient chair of having a rest according to claim 2, it is characterized in that: described ratchet (84) back side caves inward formation groove, described elastic component (85) is provided with projection with ratchet (84) groove corresponding position, protruding and fit depressions.
5. a kind of convenient chair of having a rest according to claim 2, it is characterized in that: this chair comprises installing the bracket of cushion (4), described bracket comprises the fixed support (72) being arranged on cushion (4) both sides, be connected by fixation steel plate (10) between two fixed supports (72), described axle bed (89) is fixedly installed on fixed support (72) front end; Described fixation steel plate (10) is fixedly connected with pallet (3) upper end.
6. a kind of convenient chair of having a rest according to claim 2, is characterized in that: described axle bed (89) is directly fixed on the left and right sides of cushion (4).
7. a kind of convenient chair of having a rest according to claim 2, is characterized in that: between described axle bottom (81) and axle enclosing cover (86), the width in gap is suitable with ratchet (83) thickness sum with screens sheet (82); Between described axle bottom (81) and axle enclosing cover (86), the width in gap is suitable with the thickness of ratchet (84).
8. a kind of convenient chair of having a rest according to claim 2, is characterized in that: described ratchet (84) is in bidentate structure, and the spacing between bidentate is suitable with the spacing between unidirectional tooth (83).
9., according to a kind of convenient chair of having a rest according to claim 2, it is characterized in that: described shifting block (832) is made up of to in-flanges the punching on ratchet (83) wheel face.
10. according to a kind of convenient chair of having a rest according to claim 1, it is characterized in that: described stopping means is gear engagement mechanism (12), described gear engagement mechanism (12) comprises the hollow cylinder (128) being fixedly installed on cushion (4) front end He being arranged on swing arm (71) rear end, described hollow cylinder (128) one end open, the other end is closed, hollow cylinder (128) inside being arranged on swing arm (71) rear end is provided with spring (124) and the second face gear (125), and described second face gear (125) is fixed in hollow cylinder (128) inner circumferential, moves axially, described gear engagement mechanism (12) also comprises gear plate (121), gear plate (121) lower end is fixedly connected with the hollow cylinder (128) being fixedly installed on cushion (4) front end by screw, gear plate (121) upper end is fixed with the first face gear (122), described first face gear (122) end face is provided with blind hole, through hole is provided with in the middle of blind hole, described gear engagement mechanism (12) also comprises the button (126) that has wider base and narrower head, the base of button (126) is arranged in blind hole, the head of button (126) is through through hole, the base bottom of button (126) and the end face of the second face gear (125) when the first face gear (122) and the second face gear (125) are meshed are offseted, described gear engagement mechanism (12) also comprises the 3rd bearing pin (123), 3rd bearing pin (123) one end is fixed on the bottom surface of hollow cylinder (128) of swing arm (71), and the other end is successively through the hollow cylinder (128) of swing arm (71) rear end, spring (124) and the second face gear (125), first face gear (122) and the second face gear (125) cooperatively interact.
11., according to a kind of convenient chair of having a rest according to claim 10, is characterized in that: be provided with packing ring (127) between described gear plate (121) and the hollow cylinder (128) being positioned at swing arm (71) rear end.
12., according to a kind of convenient chair of having a rest according to claim 10, is characterized in that: described hollow cylinder (128) side is provided with the passage with hollow cylinder (128) plane perpendicular; Described second face gear (125) sidewall is provided with the fin matched with this passage, and the diameter of the second face gear (125) is suitable with the internal diameter of hollow cylinder (128); Described fin snap-fits in passage, the second face gear (125) is fixed in hollow cylinder (128) inner circumferential, moves axially.
13. according to a kind of convenient chair of having a rest according to claim 10, it is characterized in that: described backrest (6) the right and left is provided with back bracket, back bracket bottom extends to cushion (4) front end along cushion (4) left and right sides, and hollow cylinder (128) is arranged on the front end of back bracket extension.
14., according to a kind of convenient chair of having a rest according to claim 10, is characterized in that: described button (126) head is the screw terminal of hexagonal configuration.
15., according to a kind of convenient chair of having a rest according to claim 10, is characterized in that: described button head end face is provided with the groove chimeric with screwdriver.
16., according to a kind of convenient chair of having a rest according to claim 1, is characterized in that: described swing arm (71) is telescopic swing arm.
17. a kind of convenient chairs of having a rest according to claim 1, is characterized in that: described backrest (6) bottom is recessed to form the space (11) being used for laying leg rest cushion (9) when swing arm (71) is drawn in backward by certain radian.
18. a kind of convenient chairs of having a rest according to claim 1, it is characterized in that: described leg rest cushion (9) comprises the first cushion (91), first cushion (91) is hinged with swing arm (71) front end, second cushion (92) one end and the first cushion (91) hinged, the other end and two " U " shapes slide block (93) be arranged on swing arm (71) two side stand are hinged.
19. a kind of convenient chairs of having a rest according to claim 1, it is characterized in that: described leg rest cushion (9) comprises the first cushion (91), first cushion (91) is hinged with swing arm (71) front end, second cushion (92) one end and the first cushion (91) hinged, the other end is set up in swing arm (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420611029.9U CN204181264U (en) | 2014-10-21 | 2014-10-21 | A kind of convenient chair of having a rest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420611029.9U CN204181264U (en) | 2014-10-21 | 2014-10-21 | A kind of convenient chair of having a rest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204181264U true CN204181264U (en) | 2015-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420611029.9U Active CN204181264U (en) | 2014-10-21 | 2014-10-21 | A kind of convenient chair of having a rest |
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| Country | Link |
|---|---|
| CN (1) | CN204181264U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104257139A (en) * | 2014-10-21 | 2015-01-07 | 浙江永艺家具股份有限公司 | Chair providing convenience for people to have rest |
| CN105054673A (en) * | 2015-08-10 | 2015-11-18 | 杭州乐卡麦尔工业设计有限公司 | Flexible chair for children |
-
2014
- 2014-10-21 CN CN201420611029.9U patent/CN204181264U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104257139A (en) * | 2014-10-21 | 2015-01-07 | 浙江永艺家具股份有限公司 | Chair providing convenience for people to have rest |
| CN105054673A (en) * | 2015-08-10 | 2015-11-18 | 杭州乐卡麦尔工业设计有限公司 | Flexible chair for children |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 313300 Zhejiang City, Huzhou Province, Anji County, West Wing Road, No. 1 Patentee after: UE FURNITURE CO., LTD. Address before: 313300 Zhejiang City, Huzhou Province, Anji County, West Wing Road, No. 1 Patentee before: Zhejiang Yongyi Furniture Co.,Ltd. |