Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
Below with reference to the accompanying drawings child safety seat 100 according to the utility model embodiment is described.
According to the child safety seat 100 of the utility model embodiment, as shown in figure 1, including:Seat body 1, headrest 2
With base 3.
Specifically, seat body 1 includes seat support 11 and the chair back 12, it is to be understood that child safety seat 100 is used
When, children are sitting on seat support 11 and leaned against on the chair back 12, and the chair back 12 has medial surface S1 and lateral surface S2, and the chair back 12 is leaned on
The surface leaned on is the medial surface S1 of the chair back 12, and the surface relative with medial surface S1 of the chair back 12 is then the lateral surface S2 of the chair back 12.
Reference picture 1- Fig. 3, headrest 2 is located on the medial surface S1 of the chair back 12, and child safety seat 100 also includes being used to adjust
The height regulating mechanism 4 of the height on the chair back 12 of headrest 2.
Specifically, as shown in figure 3, the chair back 12 is provided with the guide groove 13 in thickness direction insertion, the lateral surface of the chair back 12
S2 forms planing surface in the horizontal both sides of guide groove 13 respectively, and each planing surface is provided with the multiple necks 14 vertically arranged.
As shown in figs 2-4, height regulating mechanism 4 includes:Operating portion 41, fixed part 42 and adjustment portion 43, operating portion 41
2 be connected with headrest, operating portion 41 is provided with chute 411 in the lateral surface S2 sides towards the chair back 12, the upper surface F1 of chute 411 with
Lower surface F2 extends away from each other on the direction towards the lateral surface S2 of the chair back 12.Fixed part 42 includes slide plate 422 and is oriented to
Block 421, guide pad 421 is located at the side of the direction headrest 2 of slide plate 422 and is connected with headrest 2, and guide pad 421 is inserted into guiding
Groove 13 is interior and can be slided up and down along guide groove 13, and slide plate 422 can be slided along the planing surface of the both sides of guide groove 13.It is sliding in the embodiment
The setting of plate 422 can make that the contact area of the chair back 12 of fixed part 42 and seat body 1 is big, slide steady, but the utility model
In embodiment the structure of fixed part 42 can not limited to this, in other embodiments, fixed part 42 can be also provided only with along guide groove
13 guide pads 421 slided up and down, this is equivalent to the structure that slide plate 422 is eliminated on fixed part 42.
Adjustment portion 43 is movably arranged on fixed part 42, and adjustment portion 43 includes:Kelly 431, projection 432 and elastic component
433, kelly 431 is fastened in the neck 14 of the both sides of guide groove 13, and projection 432 is inserted into chute 411 through guide groove 13, bullet
Property part 433 be used for often drive projection 432 towards headrest 2 move.Here, " normal " refers to normality, and " often driving " represents elastic component
433 pairs of projections 432 have the trend often promoted towards some direction.
Specifically, operating portion 41 is connected with fixed part 42 with headrest 2 in height regulating mechanism 4, operating portion therein
41 even can be integrally formed on headrest 2, when about one in rest the head on 2, operating portion 41 and fixed part 42 is pulled, remaining
Two can slide up and down therewith.
Here, because fixed part 42 includes slide plate 422 and guide pad 421, guide pad 421 is connected with headrest 2, slide plate 422
Slided along the planing surface of the both sides of guide groove 13, so that guide pad 421 is connected between headrest 2 and slide plate 422, headrest 2 and slide plate
422 are folded in the both sides of the chair back 12.Because guide pad 421 coordinates in the guide groove 13 on the chair back 12 in fixed part 42, therefore
When 2 height of resting the head on are adjusted, headrest 2, operating portion 41 and fixed part 42 are slided along the bearing of trend of guide groove 13.
Because in adjustment portion 43, kelly 431 is fastened in the neck 14 of the both sides of guide groove 13, projection 432 passes through guide groove
13 are inserted into chute 411, and elastic component 433 is used to often drive projection 432 to move towards headrest 2, therefore height regulating mechanism 4 has
There are two states, one kind is altitude hold mode, another is height adjustment state.
Under 2 altitude hold modes of resting the head on, projection 432 is tightly buckled in chute 411 by elastic component 433, the quilt of projection 432
After (or tension) is compressed in chute 411, the two ends of kelly 431 can tightly be fastened on the neck 14 of the both sides of guide groove 13 respectively
It is interior, so that resting the head on 2 can not slide up and down.
When pulling up headrest 2 (or operating portion 41), operating portion 41 can relative adjustment portion 43 projection 432 to moving up
It is dynamic so that the projection 432 of adjustment portion 43 is only against on the lower surface F2 of chute 411.During operating portion 41 is moved up,
Projection 432 overcomes the elastic force of elastic component 433 and outwards ejected by the lower surface F2 of chute 411.Outwards ejected in projection 432
While, the kelly 431 of adjustment portion 43 is also ejected to outside neck 14 therewith.Do not have after the locking effect of kelly 431, fixed part 42
Can be with headrest 2 along planing surface upward sliding.Until stop pull up after headrest 2 (or operating portion 41), projection 432 again by
Elastic component 433 compresses (or tension) in chute 411, and the two ends of kelly 431 are also tightly fastened in neck 14 respectively, so that
Headrest 2 can not be adjusted up again.
Equally, when pressing headrest 2 (or operating portion 41) downwards, the projection 432 in the meeting relative adjustment of operating portion 41 portion 43
Move down so that the projection 432 of adjustment portion 43 is only against on the upper surface F1 of chute 411.Moved down in operating portion 41
During, projection 432 overcomes the elastic force of elastic component 433 and outwards ejected by the upper surface F1 of chute 411.In projection 432
Outwards while ejection, the kelly 431 of adjustment portion 43 is also ejected to outside neck 14 therewith, and fixed part 42 can be slided with the edge of headrest 2
Towards lower slider.Until stopping pressing after headrest 2 (or operating portion 41) downwards, projection 432 is compressed by elastic component 433 again
(or tense) in chute 411, the two ends of kelly 431 are also tightly fastened in neck 14 respectively, thus rest the head on 2 can not again to
Lower regulation.
According to the child safety seat 100 of the utility model embodiment, headrest is adjusted by setting height regulating mechanism 4
2 height in seat body 1, the overall structure of child safety seat 100 is simple, processing cost is low, as long as and pulling head up and down
Pillow 2 or operating portion 41 can just adjust the height of headrest 2, and headrest 2 can be preferably stuck in seat body 1 again when stopping drag,
So that the height regulation of headrest 2 is facilitated very much.
Specifically, as shown in figs 2-4, the chair back 12 is provided with multiple guide grooves 13 spaced apart, and fixed part 42 is provided with
It is respectively fitting into multiple guide pads 421 in multiple guide grooves 13.The guide effect of multiple guide pads 421, can make headrest 2 in water
Square slided to stress equalization, when height is adjusted steady.
In certain embodiments, as shown in figs 2-4, the chair back 12 is provided with left and right two guide grooves spaced apart
The both sides of each guide groove 13 are planing surface in 13, the lateral surface S2 of the chair back 12, and vertically side is equipped with each planing surface
To evenly-spaced multiple necks 14.As shown in figure 3, the chair back 12 is provided with two vertically extending guide grooves 13, the chair back 12
On be additionally provided with the neck row that three row vertically arrange, each column includes multiple necks 14 extended transversely.
In this embodiment, it is parallel to each other in each neck row between multiple necks 14, multiple necks in three row necks row
14 correspond setting, i.e., identical with the height of three necks 14 of a line.
In certain embodiments, as shown in Figures 2 and 3, operating portion 41 is fixedly connected on the back side of headrest 2, operating portion 41
Be formed as strip straight panel shape, the top of operating portion 41 is provided with handle 412, and chute 411 forms the bottom in operating portion 41.So when
During adjustment 2 height of headrest, handle 412 can be directly pulled up and down, operation is more prone to.
Specifically, as shown in figure 3, when the chair back 12 is provided with multiple guide grooves 13, operating portion 41 can be corresponded to and is each oriented to
Groove 13 sets chute 411, while adjustment portion 43, which can correspond to multiple chutes 411, sets multiple projections 432 and multiple elastic components 433.
It can so ensure in adjustment 2 height of headrest, headrest 2 uniform force, stable movement in the horizontal direction.
In the embodiment shown in fig. 4, the bottom of operating portion 41 can be provided with two chutes 411, specifically, the bottom of operating portion 41
Be formed with square block, the left and right sides of square block and be formed with chute 411, the chute 411 in left side be in left side it is unlimited, it is right
The chute 411 of side is unlimited on right side.
Further, as shown in figure 3, headrest 2 is provided with fixing groove 21 in the side towards the chair back 12, operating portion 41 is located at solid
Determine in groove 21.When so headrest 2 is slided, operating portion 41 will not produce interference and hinder.
Specifically, as shown in Figures 2 and 3, height regulating mechanism 4 also includes slip lid 44, and slip lid 44 is covered in fixing groove 21
On, slip lid 44 is located between operating portion 41 and the chair back 12.As seen from Figure 3, the surface towards the chair back 12 of slip lid 44 is flat
Sliding surface, the setting of slip lid 44 can reduce frictional force when headrest 2 is adjusted between operating portion 41 and the chair back 12, make the height of headrest 2
Adjustment is more laborsaving.
In certain embodiments, as shown in figs 2-4, adjustment portion 43 includes:Kelly 431, projection 432, the and of elastic component 433
Roller 434.Projection 432 can be one or more, and elastic component 433 and roller 434 are configured with each projection 432.
Wherein, kelly 431 can be long straight round bar, and the vertical cross-section of all necks 14 is semicircle in seat body 1
Shape, advantageously, the radius and the radius of the vertical cross-section of neck 14 of kelly 431 are generally equalized, and such kelly 431 is slipped into or sliding
Go out the phenomenon shallower during neck 14, kelly 431 can be avoided stuck.
Specifically, as shown in figure 4, one end of the remote headrest 2 of projection 432 forms axle sleeve 435, axle sleeve 435 is removably
It is enclosed on outside on kelly 431, the assembling in so conveniently adjusted portion 43.
More specifically, as shown in figure 4, the other end of projection 432 is located at projection 432 provided with roller 434, i.e. roller 434
Stretch to the end of chute 411, so when up and down regulation headrest 2 when, roller 434 can along chute 411 lower surface F2 or on
Surface F1 is slided, and the sliding friction between projection 432 and the surface of chute 411 can be converted into rolling friction by the setting of roller 434,
So as to make the height regulation of headrest 2 more smooth laborsaving.
In certain embodiments, as shown in fig. 4 and fig. 2, guide pad 421 is provided with the pilot hole 423 of insertion, projection
432 are telescopically located in pilot hole 423.Scope of activities of the adjustment portion 43 on fixed part 42 can so be limited, it is ensured that headrest 2
When up and down, the bearing of trend of the projection 432 of adjustment portion 43 along pilot hole 423 stretches, so as to improve the regulation of headrest 2
Structural reliability.
Specifically, elastic component 433 is spring, and spring is located in pilot hole 423 and is enclosed on outside on projection 432, the one of spring
End is connected on guide pad 421 and the other end is connected on projection 432.Driven with spring overcoat on projection 432 and with spring
The dynamic activity of projection 432, on the one hand can ensure that elastic component 433 does not come off from projection 432, on the other hand be also that can ensure elastic component
433 elastic force is big and stablizes, so as to ensure that the structural reliability of adjustment portion 43 is high.
More specifically, as shown in Fig. 4 and Fig. 3, the upper end of each guide pad 421 is beyond slide plate 422 on fixed part 42
Upper end, guide pad 421 forms breach 424 in side of the upper end away from headrest 2, and the kelly 431 of adjustment portion 43 is stuck in the breach 424
Interior, the vertical cross-section of breach 424 is circular arc.The vertical cross-section of axle sleeve 435 is annular, and axle sleeve 435 is located in breach 424,
No matter projection 432 is unclamped or tensed by elastic component 433, and axle sleeve 435 can be seated firmly in breach 424 and crooked will not block
Extremely.
As shown in figure 4, guide pad 421 is provided with pilot hole 423 at correspondence breach 424, pilot hole 423 is rested the head in direction
2 direction insertion guide pad 421.Pilot hole 423 is included in big hole section and aperture section (not shown), pilot hole 423 away from head
The part of pillow 2 is that the part of neighbouring headrest 2 in aperture section, pilot hole 423 is big hole section, is limited between big hole section and aperture section
Step.Spring is located in big hole section, and one end of spring, which is stopped, to be against on above-mentioned step, and the other end of spring, which stops, is against projection 432
On the termination that roller 434 is set.
In certain embodiments, as shown in Figure 6 and Figure 7, the base 3 of child safety seat 100 is provided with turn hole 30, children
Safety seat 100 also includes seat regulator 5, and seat regulator 5 includes rotating disk 51, and rotating disk 51 is rotatably arranged at turn hole
In 30, seat body 1 is located on rotating disk 51, and the rotatable parts between seat body 1 and base 3 only include the rotating disk 51.
It is understood that if seat body being capable of respect thereto rotation, seat sheet on existing child safety seat
By being provided that rotating shaft between body and base.And rotating shaft is thinner, the seat support of the generally not enough seat body of area of section of rotating shaft
/ 10th of area, torque that thinner rotating shaft is born, moment of flexure are excessive, and rotating shaft is easy to break or deformation, causes seat body to be held
It is easily stuck and can not rotate.
Also rotating shaft is not only provided with the child safety seat having, rotating disk is also set up above rotating shaft, during the seat rotation with
Rotating shaft is as primary pivot support member, and using rotating disk as Auxiliary support part, this is resulted in, and armchair structure is complicated, cost compared with
It is high.
And in the utility model embodiment, by setting rotating disk 51, section of rotating disk 51 between seat body 1 and base 3
Face area is more than or equal to 1/10th of the area of seat support 11, and the area of rotating disk 51 is big, weight capacity strong, and rotating disk 51 is hardly damaged also not
Easily crooked, stuck, stability of rotation, reliability are high.And because the area of section of rotating disk 51 is larger, requirement on machining accuracy is relatively low,
So as to reduce processing cost.
In some specific examples of the present utility model, the area of section of rotating disk 51 is about the throwing of seat support 11 in the horizontal plane
The 1/5~1/3 of shadow area, it is preferable that the area of section of rotating disk 51 is the 1/4 of the projected area of seat support 11 in the horizontal plane.This
In, the area of section of rotating disk 51 refers to area of the rotating disk 51 on the section perpendicular to its pivot center.
In certain embodiments, as shown in figure 8, base 3 includes:Upper drain pan 31 and lower drain pan 32, lower drain pan 32 are covered
The bottom of upper drain pan 31, installing space is limited between upper drain pan 31 and lower drain pan 32.This hollow shell structure can reduce the weight of base 3
Amount and material processing cost.
Specifically, as shown in figure 8, turn hole 30 is located on drain pan 31, the bottom of rotating disk 51 is extend into installing space, and
The member base end of rotating disk 51 is supported on lower drain pan 32.
It should be noted that in the prior art when seat body is connected on base by rotating shaft, rotating shaft and base
Junction contact stress is larger, it is necessary to set special axle bed on base, or bearing is connected between rotating shaft and base.But
The setting of bearing adds number of parts, and base is complicated in bearing installation place, cost increase.
And in the utility model embodiment, because the area of section of rotating disk 51 is larger, rotating disk 51 should with the extruding of the junction of base 3
Power is smaller, therefore rotating disk 51 can be placed directly within base 3, not only saves number of parts, and also simplify armchair structure,
This is also a big advantage of the child safety seat 100 of the utility model embodiment.
Specifically, as shown in figure 8, base 3 also includes hanging deck 34, hanging deck 34 is located in installing space, hanging deck 34 and upper bottom
Suspension space is limited between shell 31, the part edge of rotating disk 51 is folded in suspension space.So equivalent to rotating disk 51 under
Drain pan 32 provides part support force, also by upper drain pan 31 provide on another part support force, rotating disk 51 support force it is scattered after, favorably
In the stationarity for improving integrated support.
In certain embodiments, as shown in figure 8, rotating disk 51 is provided with block 511, block 511 be located in installing space and
Backstop is on upper drain pan 31.
Specifically, block 511 of the outer peripheral edge of rotating disk 51 provided with annular, the lower section of rotating disk 51 from upper drain pan 31 is extend into
In turn hole 30, then rotating disk 51 is locked on upper drain pan 31 by block 511, it is to avoid rotating disk 51 is whole to be taken off from upper drain pan 31
Go out.
In certain embodiments, as shown in fig. 7, the first gear hole 36 that base 3 is set provided with multiple circular rotating disks 51.
As shown in fig. 6, seat regulator 5 also includes:Arm-tie 52 and gear keep elastic component 53, and arm-tie 52 is located at seat
Between body 1 and rotating disk 51, as shown in Fig. 9 and Fig. 6, arm-tie 52 has connection end P1 and pulling end P2, connection end P1 and seat
Body 1 is connected, and pulling end P2 is provided with snib 521, and pulling end P2 can be up and down between seat body 1 and rotating disk 51, when
During pulling end P2 activities downwards snib 521 can be driven to insert the first gear hole 36, card can be driven when pulling end P2 activities upwards
Bolt 521 is extracted.Gear keeps elastic component 53 to be located between seat body 1 and pulling end P2, often to drive pulling end P2 to live downwards
It is dynamic.Here, " normal " refers to normality, and " often driving " represents that gear keeps elastic component 53 to have one to arm-tie 52 often towards certain
The trend that individual direction is promoted.
So when seat body 1 needs rotational angle, the pulling end P2 of arm-tie 52 can be pulled up, make pulling end P2
Upper clamping plug 521 is extracted out of first gear hole 36 on base 3, then pulls pulling end P2, whole so as to drive
Seat body 1 is rotated, and adjusts its angle.Pulling end P2 can be unclamped to the angle of needs when seat body 1 is adjusted, pulling end P2
The activity downwards in the presence of gear keeps elastic component 53, pulling end P2 drives snib 521 to insert another first gear hole 36
In.In the case where gear keeps the elastic force compacting of elastic component 53, snib 521 is difficult to deviate from from first gear hole 36, so that seat
Body 1 can keep the angle state.
It is understood that multiple first gear holes 36 on base 3 are located in the rotary motion trace of snib 521, so that
When seat body 1 is rotated, snib 521 can be inserted in positioning in suitable first gear hole 36.
A snib 521 is provided only with arm-tie 52 in fig .9, but be may also set up in other embodiments on arm-tie 52 many
Individual snib 521, meanwhile, the set location of multiple first gear holes 36 is adapted therewith on base 3.
Specifically, as shown in Fig. 9 and Fig. 6, arm-tie 52 is provided with maintainance block 522, and maintainance block 522 can be cross, gear
It can be spring to keep elastic component 53, be enclosed on maintainance block 522 outside the bottom of spring and the seat support 11 for being against seat body 1 is stopped in upper end
On.
Further, as shown in fig. 6, the bottom of seat body 1 be provided with the first fixture block 15 and the second fixture block 16, such as Fig. 9 and
Shown in Fig. 6, arm-tie 52 is provided with the grafting block 523 being stuck between the first fixture block 15 and the second fixture block 16, can so be easy to drawing
During dynamic and promotion arm-tie 52, front and rear angular adjustment can be carried out to seat body 1.In addition, arm-tie 52 is detachably connected to
In seat body 1, the dismounting of child safety seat 100 can be easy to store.
In certain embodiments, as shown in figure 1, seat body 1 is provided with slide rail 17, as shown in fig. 6, seat regulator
5 also include sliding block 54, and sliding block 54 is located on rotating disk 51, and seat body 1 is slideably set by the cooperation of sliding block 54 and slide rail 17
On rotating disk 51.The position of the relative rotating disk 51 of regulating chair body 1 is so set, makes the adjustment direction of seat body 1 more many
Member, use is more comfortable.
Specifically, as illustrated, the seat support 11 of seat body 1 has certain radian, length of the slide rail 17 along seat body 1
Direction extends, and this position is when sliding block 54 is slided with respect to slide rail 17, and the angle of inclination of the backrest of regulating chair body 1 makes
Child uses more comfortable, safety.
Specifically, as shown in fig. 7, base 3 or rotating disk 51 are provided with the second gear hole 38, when seat body 1 is slided, draw
Snib 521 on plate 52 can be changed between the first gear hole 36 and the second gear hole 38.
So when seat body 1 needs adjustment position, snib 521 can be turned between multiple first gear holes 36
Change, snib 521 can also be changed between the first gear hole 36 and the second gear hole 38, when the second gear hole 38 is multiple, card
Bolt 521 can also be changed between multiple second gear holes 38.
If the second gear hole 38 is located at parallel with the bearing of trend of slide rail 17 with one of them first gear hole 36
On same straight line, when snib 521 is caught in first gear hole 36, the pulling end P2 of arm-tie 52 can be pulled up, make pulling
Hold P2 upper clamping plugs 521 to be extracted out of first gear hole 36, then pulling end P2 is pulled along the bearing of trend of slide rail 17, so as to band
Move whole seat body 1 to slide, adjust its position.Pulling end P2 can be unclamped to the position of needs when seat body 1 is adjusted, is drawn
Moved end P2 activities downwards in the presence of gear keeps elastic component 53, pulling end P2 drives snib 521 to insert the second gear hole 38
In.In the case where gear keeps the elastic force compacting of elastic component 53, snib 521 is difficult to deviate from from second gear hole 38, so that seat
Body 1 can keep the location status.
It is understood that can be provided with one or more second gear hole 38, second gear on base 3 or rotating disk 51
Position hole 38 is located on the event trace of snib 521, so that when seat body 1 is slided, snib 521 can be inserted in suitable second gear
Position is positioned in hole 38.
Specifically, seat body 1 is provided with the through slot of thickness direction insertion to constitute slide rail 17, and sliding block 54, which is stuck in, to be passed through
In groove.The slide rail 17 and sliding block 54 so set, simple in construction, manufacturing cost is relatively low.
Specifically, as shown in fig. 6, sliding block 54 is formed as strip, sliding block 54 is T in the section on length direction
Shape, seat body 1 is provided with the through slot of strip, and through slot is mutually to be fitted with sliding block 54 in the section on length direction
The T-shaped matched somebody with somebody.
Specifically, as shown in Figure 6 and Figure 7, base 3 is provided with the stopper slot for being used for limiting the sliding scale of the second fixture block 16
37, the setting of stopper slot 37 can limit the amplitude of the respect thereto 3 of seat body 1 slip, it is to avoid slip amplitude is excessive cause it is stuck
Phenomenon.
With reference to Fig. 1-Fig. 9, the structure of child safety seat 100 in a specific embodiment is described.
As shown in figure 1, child safety seat 100 includes headrest 2, seat body 1 and base 3.
As Figure 1-Figure 4, child safety seat 100 also includes height regulating mechanism 4, and height regulating mechanism 4 includes behaviour
Make portion 41, adjustment portion 43 and fixed part 42;Headrest 2 is fixedly connected between operating portion 41, fixed part 42, and adjustment portion 43 is scalable
Be arranged in fixed part 42;The back side of seat body 1 is provided with some necks being parallel to each other 14.
The upper end of operating portion 41 is provided with handle 412, and lower end is provided with chute 411.
Adjustment portion 43 includes kelly 431, projection 432, roller 434 and the spring extended laterally;The one end of projection 432 is axle sleeve
435th, other end connection roller 434, spring, which is inserted in after projection 432, stretches into projection 432, and connects in the shrinkage pool at roller end, kelly
431 run through axle sleeve 435 and match clamping with neck 14.
Fixed part 42 is provided with the pilot hole 423 of insertion, and the projection 432 of adjustment portion 43 passes through pilot hole 423 and operating portion
The chute 411 of 41 lower ends matches.
Headrest 2 lifts principle:The lifting or pushing of handle 412 of the upper end of operating portion 41 is held, roller 434 can be along operation
Ramp or the lower inclined plane movement of the lower end chute 411 of portion 41, so that extrusion spring, promotes projection 432 to drive kelly 431 to depart from card
Groove 14, when will headrest 2 lifting or pushings to proper height, kelly 431 again with the clamping of neck 14.Only by above carry or under push away,
The regulation of headrest 2 is can be achieved with without extra operation.
As shown in Fig. 6-Fig. 9, seat regulator 5 is provided between base 3 and seat body 1, seat regulator 5 is wrapped
Include:Rotating disk 51, arm-tie 52 and spring.
Rotating disk 51 is sheathed in the middle of base 3, therefore is not required to set rotating shaft, and seat body 1 can just be rotated with respect thereto 3,
For sliding friction.
T-shaped projection 432, arm-tie 52 and spring are set on rotating disk 51;The lower end of arm-tie 52 sets snib 521;The upper surface of base 3
Rear side be provided with stopper slot 37.
The surface of base 3 is provided with some first gear holes 36, and the first gear hole 36 is arranged at the movement locus of snib 521
On.
The bottom of seat body 1 sets through slot, the first fixture block 15 and the second fixture block 16 of arc;Arc through slot is socketed on
On T-shaped sliding block 54, and it can be slided along T-shaped sliding block 54, seat body 1 can be rotated with rotating disk 51;Second fixture block 16 and limit
Position groove 37 is engaged, and makes the drive seat body 1 movable when of arm-tie 52 be slided along sliding block 54, and when sliding backward
The scope that can not be limited beyond stopper slot 37.
Seat gear Principles of Regulation:When needing regulation stall, the pulling end P2 of arm-tie 52, the lower end of arm-tie 52 are pressed up
Snib 521 depart from the first gear hole 36 or the second gear hole 38 on base 3, rotation or front and rear pulling arm-tie 52 are to suitable
Position, makes snib 521 block the first gear hole 36 or the second gear hole 38 of correspondence position, unclamps after hand, in the bullet of spring
Under power effect, the position of arm-tie 52 is fixed.
In the present embodiment, the first gear hole 36 is symmetrical arranged four on the circular path that snib 521 rotates, in snib
Two second gear holes 38 relative with one of them first gear hole 36 are set on 521 movable tracks.
In description of the present utility model, it is to be understood that term " " center ", " transverse direction ", " length ", " thickness ",
" on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " axial direction ", " footpath
To ", the orientation of the instruction such as " circumference " or position relationship be, based on orientation shown in the drawings or position relationship, to be for only for ease of and retouch
State the utility model and simplify and describe, rather than indicate or imply signified device or element must have specific orientation, with
Specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In description of the present utility model, unless otherwise indicated, the implication of " multiple "
It is two or more.
In description of the present utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " company
Connect ", " fixation " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally;Can be
Mechanically connect or electrically connect;Can be joined directly together, can also be indirectly connected to by intermediary, can be two
The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can be specific
Situation understands concrete meaning of the above-mentioned term in the utility model.
In the description of this specification, the description of reference term " embodiment ", " example " etc. mean to combine the embodiment or
Specific features, structure, material or the feature of example description are contained at least one embodiment of the present utility model or example.
In this manual, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.Moreover, description
Specific features, structure, material or feature can in an appropriate manner be tied in any one or more embodiments or example
Close.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of changes, modification in the case where not departing from principle of the present utility model and objective, replaced
And modification, scope of the present utility model limits by claim and its equivalent.