CN209290471U - Applied to the linkage brake structure on perambulator - Google Patents
Applied to the linkage brake structure on perambulator Download PDFInfo
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- CN209290471U CN209290471U CN201821077397.4U CN201821077397U CN209290471U CN 209290471 U CN209290471 U CN 209290471U CN 201821077397 U CN201821077397 U CN 201821077397U CN 209290471 U CN209290471 U CN 209290471U
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Abstract
This application involves the linkage brake structures being applied on perambulator, including be located in perambulator Rear frame the first rear-wheel, the second rear-wheel, for stopping stop the main brake of first rear-wheel and driven by the main brake to stop the auxiliary brake of second rear-wheel for stopping, first rear-wheel is along wheel shaft one week equipped with main brake hole;The main brake includes the wheel shaft mounting base connecting with Rear frame, equipped with the step block that can be rotated around first rear axle in the wheel shaft mounting base, the step block is equipped with brake sliding block, and wheel shaft mounting base periphery is equipped with brake sliding block described in the brake recess for living braking state when often setting recess and brake surely that the brake sliding block is often set and slides between recess and the brake recess with step block rotation in described often set.The step block that the application can only trample the main brake can realize the brake of two rear-wheels of perambulator, convenient and efficient, in addition, the reliability that brake sliding block is able to ascend perambulator braking quality by sticking into brake recess in brake.
Description
[technical field]
This application involves perambulator fields, more particularly to applied to the linkage brake structure on perambulator.
[background technique]
Foldable baby carriage is popularized in each family, the considerations of for perambulator security performance, brake structure
It is particularly significant, however, existing perambulator brake structure is often less reliable, convenient.
[summary of the invention]
In order to solve the above technical problems, the application's is designed to provide applied to the linkage brake structure on perambulator, lead to
The optimization of structure is crossed, the step block that can only trample the main brake can realize the brake of two rear-wheels of perambulator, it is convenient and efficient,
In addition, the reliability that brake sliding block is able to ascend perambulator braking quality by sticking into brake recess in brake.
The application is achieved through the following technical solutions:
Applied to the linkage brake structure on perambulator, including the first rear-wheel, the second rear-wheel, use being located in perambulator Rear frame
Stop the main brake of first rear-wheel in brake and driven by the main brake to stop the auxiliary brake of second rear-wheel, institute for stopping
It states the first rear-wheel and was equipped with main brake hole along wheel shaft one week;
The main brake includes the wheel shaft mounting base connecting with Rear frame, equipped with can be around described the in the wheel shaft mounting base
The step block of one rear axle rotation, the step block are equipped with brake sliding block, and wheel shaft mounting base periphery is equipped with the brake
Surely brake sliding block described in the brake recess of braking state is lived when what sliding block was often set often sets recess and brake to exist with step block rotation
Described often set is slided between recess and the brake recess.
The linkage brake structure applied on perambulator as described above, it is described often to set recess and the brake recess bottom is
It taper and is disposed adjacent.
Linkage brake structure as described above applied on perambulator, the wheel shaft mounting base, which is equipped with, stretches out the wheel shaft
Mounting base is caught in the brake pin assemblies that brake is realized in the main brake hole.
Linkage brake structure as described above applied on perambulator, the brake pin assemblies include brake pin shaft and brake
Guide, the brake pin shaft are inserted in the brake guide and are equipped with ejector pin bullet between the brake pin shaft and the brake guide
Spring, the brake guide are equipped with stroke hole, and the brake pin shaft is equipped with the stroke shaft put in the stroke hole.
The linkage brake structure applied on perambulator as described above can control described when being additionally provided with rotation on the step block
Brake pin assemblies brake or no rotary chute, and the rotary chute includes that high-order, low level and connection are described high-order and described
The slideway of low level is equipped between the wheel shaft mounting base and the step block and slides for making the brake guide resist the rotation
The top cover spring of slot.
Linkage brake structure as described above applied on perambulator, the step block are equipped with circular arc stroke hole, the wheel
Axis mounting base is equipped with and puts in the circular arc stroke hole restricted driving axis for limiting the step block rotational travel.
Linkage brake structure as described above applied on perambulator, the brake sliding block are described normal equipped with it is resisted
Set the sliding block reset spring of recess or the brake recess.
The linkage brake structure applied on perambulator as described above, on the step block and the wheel shaft mounting base between set
Having makes the step block tend to the step block reset spring for often setting recess.
The linkage brake structure applied on perambulator as described above is additionally provided on the step block and pulls the auxiliary brake
Third drawstring.
Compared with prior art, the application has the following advantages:
For the application by the optimization of structure, the step block that can only trample the main brake can realize two rear-wheels of perambulator
Brake, it is convenient and efficient, in addition, brake sliding block can by stick into that brake recess is able to ascend perambulator braking quality in brake
By property.
[Detailed description of the invention]
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is that the perspective exploded view of use state is unfolded in the perambulator of the embodiment of the present application;
Fig. 2 and Fig. 3 is the stereoscopic schematic diagram of two kinds of different folded states of the embodiment of the present application;
Fig. 4 is the enlarged drawing in the portion A in Fig. 1;
Fig. 5 is the enlarged drawing in the portion B in Fig. 2;
Fig. 6 is the partial sectional view in the direction K in Fig. 4;
Fig. 7 is that the first control for folding that control mechanism pushes and pulls connector to described second described in the embodiment of the present application is illustrated
Figure;
Fig. 8 is the connection schematic diagram of positive lock structure and the positive lock relief structure described in the embodiment of the present application;
Fig. 9 to Figure 11 is the first folding control mechanism described in the embodiment of the present application in different decomposition degree and in difference
The perspective exploded view of angle;
The second rotation top convex body and institute under use state is unfolded for the armchair structure of the embodiment of the present application in Figure 12
State the location status schematic diagram of the second latch;
Figure 13 and Figure 14 is that the stereo decomposing of two different angles of the chair frame folding joint of the embodiment of the present application shows
It is intended to;
Figure 15 is enlarged drawing of the Figure 13 in the portion E;
Figure 16 is enlarged drawing of the Figure 13 in the portion F;
Figure 17 is the perspective exploded view of the linkage folding joint of the embodiment of the present application;
Figure 18 is the unfolded state schematic diagram of the linkage folding joint of the embodiment of the present application;
Figure 19 is the folded state schematic diagram of the linkage folding joint of the embodiment of the present application;
Figure 20 and Figure 21 is that the stereo decomposing of two different angles of the second folding control mechanism of the embodiment of the present application shows
It is intended to;
Figure 22 to Figure 24 is that the switching part in the second folding control mechanism of the embodiment of the present application is folded in armchair structure
Status diagram in journey;
Figure 25 is the connection schematic diagram of main brake and the auxiliary brake described in the embodiment of the present application;
Figure 26 and Figure 27 is the perspective exploded view of two different angles of the main brake of the embodiment of the present application, wherein scheming
Rear frame and the first rear-wheel are also shown in 26, and Figure 27 also shows Rear frame;
Figure 28 is the perspective exploded view of auxiliary brake described in the embodiment of the present application;
Figure 29 is the cross-sectional view in the direction J in Fig. 1;
Figure 30 is the portion the H enlarged drawing of Figure 29;
Figure 31 is the portion the G enlarged drawing of Figure 27;
Figure 32 is the structural schematic diagram of step block described in the embodiment of the present application;
Figure 33 is the perspective exploded view of the arm-rest frame of the application;
Figure 34 is the enlarged drawing in the portion C in Figure 33;
Figure 35 is the enlarged drawing in the portion D in Figure 33.
[specific embodiment]
The technical issues of in order to keep the application solved, technical solution and beneficial effect are more clearly understood, below in conjunction with
The application is further elaborated in accompanying drawings and embodiments.It should be appreciated that specific embodiment described herein is only used
To explain the application, it is not used to limit the application.
As shown in Fig. 1 to Figure 35, the embodiment of the present application propose can fast folding perambulator comprising seat interconnected
Structure 1 and body frame structure for automotive 2, the body frame structure for automotive 2 includes front frame 21, Rear frame 22 and the arm-rest frame 23 being hinged, described
Linkage folding joint 3 is additionally provided on body frame structure for automotive 2, locking bindiny mechanism 4 and first folds control mechanism 5.
Referring to Fig. 8 and Figure 17 to Figure 19, the linkage folding joint 3 is set to the front frame 21, the Rear frame 22
With the common hinged place of the arm-rest frame 23, for driving the front frame 21 and the arm-rest frame 23 while relatively rotating;Institute
State linkage folding joint 3 include the front truck frame connector 31 being connect with the front frame 21, connect with the Rear frame 22 after
Frame connecting piece 32 and the handrail frame connector 33 connecting with the arm-rest frame 23, the rear car frame connector 32 are equipped with hole
The length direction strip guide hole 321 parallel with the Rear frame 22, the front truck frame connector 31,32 and of rear car frame connector
The end of the handrail frame connector 33 is mutually hinged to form coaxial articulated section 1a;The linkage folding joint 3 further includes first
Interlocking bar 34 and the second interlocking bar 35, described first interlocking bar, 34 one end and described second interlocking bar, 35 one end are hinged to be formed directly
Dynamic articulated section 2a, the direct acting articulated section 2a are located at the hole length direction in the strip guide hole 321 along the strip guide hole 321
Sliding, 34 other end of the first interlocking bar and the handrail frame connector 33 are hinged to form the first rotation articulated section 3a, institute
It states 35 other end of the second interlocking bar and the front truck frame connector 31 is hinged to form the second rotation articulated section 4a, described first turn
Dynamic articulated section 3a and the second rotation articulated section 4a are separately positioned on the circumference of coaxial two opposite side articulated section 1a, and institute
It states the first rotation articulated section 3a and the second rotation articulated section 4a forms bias with the coaxial articulated section 1a respectively, it is described
Rear car frame connector 32 be equipped with for limit it is described first rotation articulated section 3a rotational travel the first long arc-shaped holes 5a and
For limiting the second long arc-shaped holes 6a of the second rotation articulated section 4a rotational travel, the first rotation articulated section 3a is around institute
It states and the direct acting articulated section 2a is pushed to slide when coaxial articulated section 1a rotation along the hole length direction of the strip guide hole 321, thus
The direct acting articulated section 2a that links pulls the second rotation articulated section 4a to rotate around the coaxial articulated section 1a, completes the vehicle
The linkage jackknife action of frame structure 2.It should be noted that handrail frame connector described in the present embodiment 33 is set, there are two simultaneously symmetrical
The two sides of the rear car frame connector 32 are located at, two rivetings of handrail frame connector 33 form the first rotation articulated section 3a,
The first rotation articulated section 3a passes through the first long arc-shaped holes 5a and the activity in the first long arc-shaped holes 5a.Linkage folding
Occupied space is smaller after folded joint 3 enables perambulator sufficiently to fold and fold, easy to carry and storage, in addition, the structure of linkage
It is simpler convenient to use.
Referring to fig. 4 to Fig. 5, locks bindiny mechanism 4 and be located between the front frame 21 and the Rear frame 22, be used for institute
It states body frame structure for automotive 2 and is locked in expansion use state;The locking bindiny mechanism 4 includes locking connector 41 and the Rear frame
22 slide bars 42 disposed in parallel and the closing piece 43 being slidably attached on the slide bar 42, the locking connector 41 1
End hinge is located in the front frame 21, and other end hinge is located on the closing piece 43, and lockhole 431 is offered on the closing piece 43, is had
Body, the closing piece 43 offers slide opening, and the closing piece 43 is set on the slide bar 42 to form sliding by the slide opening
Connection.When closing piece 43 slides to position as shown in Figure 4, locking connector 41 and 21 Rear frame 22 of front frame form a triangle
Support construction, the stability based on triangle enable perambulator to stablize in unfolded state, and structure is simple, and makes perambulator
Unfolded state after expansion is more stable, reliable, safe.
In order to which the body frame structure for automotive 2 reinforcement is further locked in expansion use state, so that the expansion of perambulator uses shape
State is further stable, reliable, safe to ensure children's safety to a greater extent, is additionally provided with pressure on the linkage folding joint 3
Locking structure, the positive lock structure include: lock shaft 61, are located on the handrail frame connector 33 and along the coaxial hinge
Socket part 1a is circumferentially arranged, and the lock shaft 61 is made during the body frame structure for automotive 2 unfolds and folds around the coaxial articulated section 1a
Circumferential movement;Locking plate 62 is rotated, be hinged on the rear car frame connector 32 and is circumferentially arranged along the coaxial articulated section 1a,
The rotation locking plate 62 is equipped with the latch hook 622 for locking the lock shaft 61, and the rotation locking plate 62 is by rotation in a lock
Switch between piece latched position and a locking plate unlocked position, the rotation locking plate 62 goes to latch hook when locking plate latched position
622 catch on the lock shaft 61 to lock the lock shaft 61, and the rotation locking plate 62 is 32 hinged place of rear car frame connector
Equipped with the reverse reset spring 624 for reset.
Such as Fig. 6 to Figure 11, the first folding control mechanism 5 is located in the Rear frame 22, for locking or unlocking the lock
Bindiny mechanism 4 is determined to expansion or folds the body frame structure for automotive 2;The first folding control mechanism 5 includes: connecting rod 53,
Both ends are fixedly connected in the Rear frame 22, and the connecting rod 53 is equipped with the sliding chamber 531 of strip, in the outer of the connecting rod 53
The portion of fending off 532 is further fixed on week;Swingle 51 can be set in the connecting rod 53 around the connecting rod 53 in which rotate coaxially
Outside, the swingle 51 are circumferentially equipped with the rotation slot 522 that the portion 532 that fends off is packed into when the swingle 51 rotation,
It is equipped with rotating drum 521 in the swingle 51, offers cone tank 5211 in the rotating drum 521, the cone tank 5211
Groove width is circumferentially reduced along cavity wall, and the rotating handles 52 for driving the swingle 51 to rotate are additionally provided on the swingle 51,
The rotating handles 52 be equipped with can along the first feather key 523 that the rotating handles 52 axially slide and with first feather key
523 connect and slide the backing pin 524 to put in the rotation slot 522, first feather key 523 with first feather key 523
It is equipped with backing pin reset spring between the rotating handles 52, is equipped with and is used between the rotating handles 52 and the connecting rod 53
The handle reset spring that the rotation of rotating handles 52 resets;Pull element 54 is located in the sliding chamber 531 of the strip, described
Pull element 54 includes the first drawing block 541 and the second drawing block 542, and the first drawing block 541 and described second pull block
542 are disposed opposite to each other and are equipped with the first compressed spring 10 between the first drawing block 541 and the second drawing block 542, described
First drawing block 541 is equipped with the first axle matched with the cone tank 5211 and pushes away inclined-plane 5411, the second drawing block
542, which are equipped with the second axis matched with the cone tank 5211, pushes away inclined-plane 5412, and the first axle pushes away inclined-plane 5411 and second
Axis pushes away inclined-plane 5412 and contacts respectively with the cell wall of the cone tank 5211;Lock core 55, the swingle 51 is interior to be equipped with lock road 511,
The lock core 55 is located in the lock road 511, and the second compression for ejecting the lock core 55 outward is equipped in the lock road 511
Spring 20, offers lockhole 431 on the closing piece 43, the expansion of body frame structure for automotive 2 when using the lock core 55 put in the lock
To lock the closing piece 43 in hole 431.It is equipped between the lock core 55 and the first drawing block 541 for by the lock core 55
It is pulled out out of described lockhole 431 to unlock the first drawstring 40 of the locking bindiny mechanism 4.Described first, which folds control mechanism, leads to
A key control is crossed, quickly control perambulator is can be convenient and switches between state folding and unfolding, in addition, must before folding baby carrier
The first feather key must first be slided and rotate rotating handles could start to fold after unlocking locking bindiny mechanism, it in this way can be effectively pre-
Accident is caused in the case where false-touch prevention control button, substantially increases the safety that perambulator uses, in another aspect, passing through rotation handle
Hand rotation unlock is not only more laborsaving, but also can directly lift handle after unlock and folding baby carrier and carry perambulator, convenient fast
It is prompt.
It should be noted that the linkage folding joint and the first folding control mechanism are equipped with described for unlocking
The positive lock relief structure of positive lock structure, Fig. 6 to Figure 11 have shown that positive lock relief structure is folded described first
Structure on control mechanism, the positive lock relief structure rotation rotating handles come unlock it is described locking bindiny mechanism it is same
Positive lock structure described in Shi Xiesuo.Specifically, the positive lock relief structure includes: movable span 623, is located at described
It rotates on locking plate 62, locking bit 6231 is equipped in the movable span 623, lock-bit 6233, the sliding position are conciliate in sliding position 6232
6232 both sides are connected with the locking bit 6231 and 6233 phase of solution lock-bit respectively;Movable axis 71 is set to the movable span
Switch in 623 and between the locking bit 6231 and the solution lock-bit 6233 to drive the rotation locking plate 62 to rotate;First
Connector 74 is pushed and pulled, the upper end is connected on the movable axis 71 to drive the movable axis 71 to transport in the movable span 623
It is dynamic, wherein the first push-and-pull connector 74 and the preferred connection type of the movable axis 71 are welding, naturally it is also possible to hinged;The
Two push-and-pull connectors 75, the upper end and first push-and-pull, 74 lower end of connector are hinged, second push-and-pull, 75 lower end of connector
Equipped with for driving the second push-and-pull connector 75 to carry out the cunning convex 751 of push pull maneuver;Connection cover 76 is set in the Rear frame
It is fixedly connected on 22 and with described 53 one end of connecting rod, the connection cover 76 is equipped with push-and-pull blind hole 761, and second push-and-pull connects
Fitting 75 is slideably installed in the push-and-pull blind hole 761, and the push-and-pull blind hole 761 is set towards 53 side of connecting rod
There is strip-shaped hole 7611, the cunning convex 751 is stretched out from the strip-shaped hole 7611 to translate along the 7611 hole length direction of strip-shaped hole
Movement is to push and pull the second push-and-pull connector 75, between 761 bottom of push-and-pull blind hole and the second push-and-pull connector 75
Equipped with the 5th compressed spring 100;Swivel head 77, is located at 51 end of swingle, and the swivel head 77 is equipped with arcwall face
771, the arcwall face 771 includes distal shaft position 7711 and close 51 axle center of swingle far from 51 axle center of swingle
Paraxial position 7712, the cunning convex 751 are close to 771 inside of arcwall face, and the swivel head 77 is rotated with the rotating handles 52
When, the cunning convex 751 switches between the distal shaft position 7711 and the paraxial position 7712 to drive the cunning convex 751 along described
7611 hole length direction of strip-shaped hole makees translational motion.When unlocking the positive lock structure, rotating handles 52, rotation are first rotated
Handle 52 drives swingle 51 to rotate around connecting rod 53, and the arcwall face 771 on swivel head 77 rotates with, force sliding convex 751 from
Distal shaft position 7711 slides to paraxial position 7712, while sliding convex 751 move in strip-shaped hole 7611 to close radially of the axis of rotation, and cunning is convex
751 drive the second push-and-pull connector 75 direction into hole in push-and-pull blind hole 761 mobile when mobile, the first push-and-pull connector 74
Movable axis 71 is pulled to slide to solution lock-bit 6233 from the locking bit 6231 of movable span 623 with the movement of the second push-and-pull connector 75,
Driving rotation locking plate 62 rotates, so that latch hook 622 be made to be detached from lock shaft 61, completes the unlock of positive lock structure.Similarly, work as rotation
Rotating handles 52 can be such that positive lock structure relocks when inverting, and in order to reinforce the active force resetted, the rotation lock
Piece 62 is that 32 hinged place of rear car frame connector is equipped with the reverse reset spring 624 for reset, the push-and-pull blind hole 761
The 5th compressed spring 100 is equipped between bottom and the second push-and-pull connector 75.By the above positive lock relief structure, only
Need ease rotation rotating handles that can unlock the positive lock structure, structure letter while unlocking the locking bindiny mechanism
It is single, it is easy to operate.
Further, the armchair structure 1 is equipped with plug 101, and the body frame structure for automotive 2 is equipped with socket 201, described
Plug 101 is removably inserted into the socket 201 so that the armchair structure 1 is removably mounted on the vehicle frame knot
On structure 2, the armchair structure 1 180 degree can turn ground anti-plug on the body frame structure for automotive 2 to realize different uses up and down
Demand, wherein plug 101 is equipped with elastic card convex, and the buckle being adapted to the elastic card convex is equipped in socket 201 so as to insert
First 101 can steadily insert in the socket 201, so that its abjection buckle then may be used by pressing the elastic card convex
To extract the plug 101 out of socket 201;
The socket 201 is coaxial hinged with the linkage folding joint 3, and the socket 201 is equipped with card turn hole
202, the cunning convex 751 of the second push-and-pull 75 lower end of connector can put in described when driving the second push-and-pull progress push pull maneuver of connector 75
Card turn hole 202 is described to prevent the socket 201 rotation or exit the card turn hole 202 so that socket 201 rotates freely
Socket 201 when rotating freely the armchair structure 1 can the relatively described body frame structure for automotive 2 be freely rotated.From the above it is found that rotation
Handle hand-drive swivel head 77 rotates, and translational motion is made in the driving of swivel head 77 sliding convex 751, and sliding convex 751 drive the second push-and-pull connection
Part 75 makees push pull maneuver, and the second push-and-pull connector 75 puts in or exit the card turn hole 202 to control the socket 201
Rotation is to control rotary folding of the armchair structure 1 relative to the body frame structure for automotive 2, in conclusion i.e. rotation rotation handle
Hand not only can unlock the positive lock structure while unlocking the locking bindiny mechanism, can also make simultaneously described
Armchair structure 1 can be rotated freely relative to the body frame structure for automotive 2, and above-mentioned technical proposal controls multiple knots by a control mechanism
The state of structure is folded with carrying out, and the operation of folding is significantly simplified, so that perambulator is more convenient to use.
Wherein, linkage folding joint 3, locking bindiny mechanism 4 and the first folding control mechanism 5 collectively form linkage of unlocking
Structure.
Further, as shown in Figure 25 to Figure 32, the Rear frame 22 is equipped with the first rear-wheel 24, the second rear-wheel 25, uses
Stop the main brake 26 of first rear-wheel 24 in brake and driven by the main brake 26 to stop second rear-wheel 25 for stopping
Auxiliary brake 27, first rear-wheel 24 were equipped with main brake hole 241 along wheel shaft one week;The main brake 26 includes and the Rear frame
The wheel shaft mounting bases 261 of 22 connections, equipped with the step block that can be rotated around 24 wheel shaft of the first rear-wheel in the wheel shaft mounting base 261
28, the step block 28 is equipped with brake sliding block 281, and 261 periphery of wheel shaft mounting base is equipped with the brake sliding block 281 often
That sets lives the brake recess 2612 of braking state surely when often setting recess 2611 and brake, the brake sliding block 281 is with the step block
28 rotations are slided between recess 2611 and the brake recess 2612 in described often set;It is described often to set recess 2611 and the brake
2612 bottom of recess is taper and is disposed adjacent;The brake sliding block 281 be equipped with make its resist it is described often set recess 2611 or
The sliding block reset spring 300 of the brake recess 2612, on the step block 28 and the wheel shaft mounting base 261 between be equipped with and make
The step block 28 tends to the step block reset spring for often setting recess 2611, is additionally provided on the step block 28 and pulls the auxiliary brake
27 third drawstring 60;The wheel shaft mounting base 261 is equipped with the stretching wheel shaft mounting base 261 and is caught in the main brake hole
Realize that the brake pin assemblies 263 of brake, the brake pin assemblies 263 include brake pin shaft 2631 and brake guide in 241
2632, the brake pin shaft 2631 is inserted in the brake guide 2632 and the brake pin shaft 2631 and the brake guide
Ejector pin spring 2633 is equipped between 2632, the brake guide 2632 is equipped with stroke hole 263a, sets on the brake pin shaft 2631
There is the stroke shaft 263b put in the stroke hole 263a;It can control the brake pin bank when being additionally provided with rotation on the step block 28
The brake of part 263 or no rotary chute 842, the rotary chute 842 include described in a high position 8421, low level 8422 and connection
The slideway 8423 of a high position 8421 and the low level 8422 is equipped between the wheel shaft mounting base 261 and the step block 28 and is used for
The brake guide 2632 is set to resist the top cover spring 2634 of the rotary chute 842.Its structure is simple, only need to light step block,
Can realize linkage brake, and due to brake sliding block 281 with often set the cooperation of recess 2611 and the recess 2612 that brakes so that brake
More accurately and reliably stablize truck position.
Wherein brake process is illustrated as follows: light step block 28, rotary chute 842 rotate, and slide to a high position with slideway 8423
8421 brake guide 2632 is ejected to 24 direction of the first rear-wheel, and the pressure of ejector pin spring 2633 being squeezed makes the pin shaft 2631 that brakes
It puts in main brake hole 241, to block the first rear-wheel 24, realizes brake, the sliding block 281 that brakes at this time turns with stepping on for step block 28 from normal
It sets recess 2611 and slides to brake recess 2612 to stablize braking state, in addition, rotary chute 842 is logical when rotary chute 842 rotates
It crosses and affects third drawstring 60 that auxiliary brake 27 is pulled to realize the brake of the second rear-wheel 25, achieve the effect that step on dual brake.Similarly, it releases
Braking state need to only reset step block 28, top cover spring 2634 will brake guide 2632 to far from 24 direction of the first rear-wheel eject with
The guide 2632 that makes to brake resists low level 8422, while stroke hole 263a is led by the stroke shaft 263b pull-off of pin shaft 2631 that will brake
Spoke hole 241 releases brake.
Wherein, the auxiliary brake 27 includes: accessory whorl axis mounting base 271, is connect with the Rear frame 22, the accessory whorl axis
Equipped with the rotating block 29 that can be rotated around 25 wheel shaft of the second rear-wheel in mounting base 271;Auxiliary brake hole, along second rear-wheel
The setting of 25 wheel shafts one week;And auxiliary brake pin assemblies 273, it is located in the accessory whorl axis mounting base 271 and stretches out the accessory whorl
Axis mounting base 271 realizes brake to be caught in the auxiliary brake hole, and the auxiliary brake pin assemblies 273 include auxiliary brake pin shaft 2731
With auxiliary brake guide 2732, the auxiliary brake pin shaft 2731 is inserted in the auxiliary brake guide 2732 and the auxiliary brake pin shaft
Secondary ejector pin spring 2733 is equipped between 2731 and the auxiliary brake guide 2732, the auxiliary brake guide 2732 is equipped with secondary stroke hole
273a, the auxiliary brake pin shaft 2731 are equipped with the secondary stroke shaft put in the secondary stroke hole 273a;On the rotating block 29
Being additionally provided with can control the brake of auxiliary brake pin assemblies 273 or no secondary rotary chute 942 when rotation, the pair rotary chute
942 include the secondary slideway of a secondary high position 9421, secondary low level 9422 and the connection secondary high position 9421 and the secondary low level 9422
9423, it is equipped between the accessory whorl axis mounting base 271 and the rotating block 29 for making the auxiliary brake guide 2732 resist institute
State the secondary top cover spring 2734 of secondary rotary chute 942;It is equipped with and turns between on the rotating block 29 and the accessory whorl axis mounting base 271
Motion block reset spring 400;The third drawstring 60 is connect with the rotating block 29 with the third drawstring described when stepping step block 28
60 pull the rotating block 29 to rotate.The above-mentioned structure for brake makes the brake of perambulator gentler, reliably.
When rotary chute 842 passes through the process for the brake for affecting third drawstring 60 that auxiliary brake 27 is pulled to realize the second rear-wheel 25
In, third drawstring 60 pulls the rotating block 29 to rotate, and the auxiliary brake guide of a secondary high position 9421 is slided to secondary slideway 9423
2732 eject to 25 direction of the second rear-wheel, and secondary ejector pin spring 2733 pressure being squeezed makes auxiliary brake pin shaft 2731 put in auxiliary brake
In hole, to block the second rear-wheel 25, brake is realized, it should be noted that when releasing the braking state of the first rear-wheel 24, rotation
Block 29 loses the pulling force of third drawstring 60, and rotating block 29 is rotated and resetted by rotating block reset spring 400 at this time, secondary top cover spring
2734 eject auxiliary brake guide 2732 so that auxiliary brake guide 2732 resists secondary low level 9422 to far from 25 direction of the second rear-wheel,
Pair stroke hole 273a passes through secondary stroke shaft for the pull-off auxiliary brake hole of auxiliary brake pin shaft 2731 to release brake simultaneously.
As shown in Figure 33 to Figure 35, the arm-rest frame 23 includes upper armrest support 231 and 231 sets of the upper armrest support
The lower armrest support 232 that connects and it is fixed on the handle-adjusting device that on the upper armrest support 231 can control handrail flexible;Institute
State the limit that handle-adjusting device includes the fixing seat 234 being mounted on armrest support 231, is fixed in the fixing seat 234
Position block 235, the movable block 236 that can be moved in the limited block 235 and the elasticity that the movable block 236 can be driven mobile are pressed
Button 237, the movable block 236 are equipped with the 4th drawstring 70, and the movable block 236 pulls when moving in the limited block 235
4th drawstring 70;The handle-adjusting device further includes the clip pedestal 238 for being fixed on armrest support 231, is set in
Along the flexible sliding block 239 that handrail telescopic direction moves and edge in the clip pedestal 238 is set in the clip pedestal 238
Perpendicular to the clip sliding block 230 of handrail telescopic direction movement, the flexible sliding block 239 is connect with the 4th drawstring 70, described
Lower armrest support 232 is equipped with several clip holes along the distribution of handrail telescopic direction, and the clip sliding block 230 can stick into described
So that the upper armrest support 231 and 232 mutually locking of lower armrest support in clip hole, set on the clip sliding block 230
There is slanting plagioclase hole 2301, the flexible sliding block 239 slides in the plagioclase hole 2301 so that 239 edge of flexible sliding block
Edge moves handrail telescopic direction perpendicular to handrail telescopic direction in the clip sliding block 230 when moving.Structure is simple, can be with a key
Realize the flexible of arm-rest frame 23, it is convenient and efficient, it is practical.
Vehicle frame knot is described below in the perspective exploded view being unfolded under use state in body frame structure for automotive 2 as can be seen from Figure 1
The folding process of structure 2: first slide first fold control mechanism 5 on the first feather key 523, backing pin 524 with the first feather key 523 from turn
Then the rotation space for retracting and reserving the portion of fending off 532 in dynamic slot 522 rotates rotating handles 52, the cone tank in rotating drum 521
5211 rotate with it, and push the first drawing block 541 in pull element 54 and the second drawing 542 relative motion of block, realize first
The drawing of drawstring 40 acts, so that lock core 55 be pulled out out of described lockhole 431, has unlocked the lock lockked originally by lock core 55
Block 43, that is, relieve the locking of front frame 21 and Rear frame 22, then pulls arm-rest frame 23, and linkage folding joint 3 drives front truck
Frame 21 and arm-rest frame 23 are rotated to close to 22 direction of Rear frame simultaneously, realize the folding of body frame structure for automotive 2.Similarly, body frame structure for automotive 2
Expansion process only needs opposite direction to rotate rotating handles 52, and the sliding of the first feather key 523 pulls gear under the action of backing pin reset spring
Pin 524, which is put in the rotation slot 522, to prevent rotating handles 52 from rotating, to be done so the maloperation that handle can be effectively prevented and leads
The safety accident of cause, next pulls arm-rest frame 23, and linkage folding joint 3 drives front frame 21 with arm-rest frame 23 simultaneously to separate
The rotation of 22 direction of Rear frame, realizes the expansion of body frame structure for automotive 2.
The armchair structure 1 includes upper chair frame 11, lower chair frame 12, preceding chair frame 13, chair frame folding joint 14 and the second folding
Control mechanism 15, the upper chair frame 11, the lower chair frame 12 and the preceding chair frame 13 are mutual by the chair frame folding joint 14
It is hinged and when the armchair structure 1 is unfolded to use that the upper chair frame 11, the lower chair frame 12 and the preceding chair frame 13 is mutual
Locking positioning, the second folding control mechanism 15 are connect to control the chair frame folding joint with the chair frame folding joint 14
14 unlock and fold.
As shown in Figure 12 to Figure 16, the chair frame folding joint 14 includes: upper chair frame connector 141, is equipped with the first hinge
Socket part 1411 and the first connecting portion 1412 connecting with the upper chair frame 11, first articulated section 1411 are equipped with first axle
Hole 1411e, 1411 end face of the first articulated section and the first cant protrusion along the setting of the periphery the first shaft hole 1411e are located at
1411b and the first tooth socket 1411c being arranged along the first cant periphery protrusion 1411b, in first articulated section 1411
The upper end face opposite with the first tooth socket 1411c is equipped with the second tooth socket being arranged along the periphery the first shaft hole 1411e
1411d;First rotation top convex body 142, circumference are equipped with the first cant portion matched with the first cant protrusion 1411b
1421, it is internally provided with the card hole 1422 for transmitting rotary power, first rotation top convex body 142 is co-axially located at described
In the installation that is circumferentially staggered, first rotation top convex body in first articulated section 1411 and with the first cant protrusion 1411b
First cant portion 1421 described in when 142 rotation climbs along the first cant protrusion 1411b makes first rotation top convex body 142
Toward axial ejection;First latching tooth 143, for inlay card in the first tooth socket 1411c, one end and first rotation top are convex
One end face of body 142 offsets, and first rotation is pushed up pushes the first latching tooth 143 toward axially when convex body 142 is past axially to be ejected
It moves and is detached from the first tooth socket 1411c;Wheel-chair connector 144, be equipped with the second articulated section 1441 and with the vehicle frame
The second connecting portion 1442 that structure 2 connects, second articulated section 1441 are equipped with the third tooth socket 1441a being circumferentially arranged, institute
First latching tooth 143 is stated in axial part inlay card in the third tooth socket 1441a, the first latching tooth 143 and the third
Be equipped with the axial gap for the first latching tooth 143 axial movement between in tooth socket 1441a, the first latching tooth 143 with it is described
It is equipped with the third for pushing up the first latching tooth 143 toward the first tooth socket 1411c between second articulated section 1441 and compresses bullet
Spring;Second rotation top convex body 145, is equipped with rotating base 1451, along the axially extended axis 1452 of the rotating base 1451
And along in the second cant portion 1453 that the rotating base 1451 is circumferentially arranged, second cant portion 1453 is equipped with the
Two pulling portion 1454, the axis 1452 is axially extending along the rotating base 1451 and stretches across the first shaft hole 1411e
So that second rotation top convex body 145 drives described the when rotating in into the card hole 1422 of first rotation top convex body 142
One rotation top convex body 142 rotates;Second latch 146, be equipped with rotation chamber 1461, the rotation chamber 1461 bottom circumferentially
Equipped with the second cant protrusion 1461a, second latch 146 is inlaid in the second tooth socket 1411d, second latch
The axial gap for second latch 146 axial movement, the rotation are equipped between in 146 and the second tooth socket 1411d
Base portion 1451 is coaxially inlaid in the rotation chamber 1461 and second cant portion 1453 and second cant are raised
1461a is staggered installation circumferentially, with along described the between second cant portion 1453 and the second cant protrusion 1461a
The stroke gap 1454a of two cant portions, 1453 rotation direction, it is described second rotation top convex body 145 rotate when described in the second cant
Portion 1453, which first turns over the stroke gap 1454a and climbs again along the second cant protrusion 1461a, keeps second latch 146 past
It is axially moved and is detached from the second tooth socket 1411d, set between the second rotation top convex body 145 and second latch 146
There is the second rotation top convex body reset spring 200;Lower chair frame connector 147, be equipped with third articulated section 1471 and with it is described under
The third interconnecting piece 1472 that chair frame 12 connects, the third articulated section 1471 are equipped with the 4th tooth socket 1471a being circumferentially arranged, institute
The second latch 146 is stated in axial part inlay card in the 4th tooth socket 1471a;Preceding chair frame connector 148 is equipped with the
Four articulated sections 1481 and the 4th interconnecting piece 1482 being connect with the preceding chair frame 13, the 4th articulated section 1481 and described the
Three articulated sections 1471 are hinged.It is equipped with and is used for described second between second latch 146 and the third articulated section 1471
Latch 146 pushes up the 4th compressed spring to the second tooth socket 1411d, and certainly, the 4th compressed spring can also be located at
On four articulated sections 1481, the 4th compressed spring passes through the third articulated section 1471 and pushes up second latch 146 to institute
State the second tooth socket 1411d.Above-mentioned chair frame folding joint can more easily realize the folding of perambulator, keep its folding more abundant,
Save occupied space, easy to carry and storage.
Further, first articulated section 1411 is equipped with the center of circle and the hinged center in first articulated section 1411 weight
The first the circular hole 1411a, the first circular hole 1411a closed is equipped with the first beginning 1411aa and first end 1411ab,
The third articulated section 1471 is equipped with the second circular hole that the center of circle is overlapped with the hinged center in the third articulated section 1471
1471b, the second circular hole 1471b are equipped with the second beginning 1471ba and second end 1471bb, in the armchair structure 1
It is Chong Die with the first beginning 1411aa that second end 1471bb when use state is unfolded, in the 4th articulated section 1481
One eccentric position is equipped with linkage portion 1481a, be fixed on the linkage portion 1481a through the first circular hole 1411a and
The linkage pin shaft of second circular hole 1471b, the third articulated section 1471 first turns to described when the armchair structure 1 folds
The state of second beginning 1471ba and the first beginning 1411aa overlapping, when continuing to rotate the third articulated section 1471 described in
Second beginning 1471ba drives the linkage pin shaft to go to the second beginning 1471ba and first end 1411ab overlapping
State, to realize turning folding for upper chair frame 11, lower chair frame 12 and preceding chair frame 13.The structure can be realized chair frame 11,
The linkage of lower chair frame 12 and preceding chair frame 13 is folded to be unfolded with linkage, and clever structure folds more so that perambulator is more convenient to use
Add smooth.
As shown in Figure 20 to Figure 24, the second folding control mechanism 15 includes: package assembly 151, is fixed on described
In chair frame 11;Internal member 152 is set in the package assembly 151, the internal member 152 be equipped with sliding slot 1521 and
The second feather key 1522 slided in the sliding slot 1521, second feather key 1522 are equipped with sliding with second feather key 1522
The gear transfer part 1522a of dynamic direction movement, is equipped between second feather key 1522 and the internal member 152 and turns for the gear
The gear that portion 1522a resets turns reset spring;Switching part 153, hinge are located on the internal member 152, set on the switching part 153
There is the card transfer part 1531 for protruding from 153 peripheral surface of switching part, rotates the card transfer part 1531 when the switching part 153
With the gear transfer part 1522a in radial intersection, gear transfer part 1522a gear when by 153 switching of switching part to first angle
The residence transfer part Shu Ka 1531 rotates, and is equipped between the switching part 153 and the internal member 152 multiple for the switching part 153
The switching reset spring of position is additionally provided with the second drawstring for rotating with the switching part 153 and realizing drawing on the switching part 153
50, second drawstring 50 is connect with second pulling portion 1454.Second folds control mechanism can be turned by drawstring realization
Only perambulator need to can be realized by light switching in the secondary grading unlock for the different distance that dynamic different angle control stretches, operator
Automatic step fold so that perambulator be folded in it is convenient and efficient on the basis of it is more smooth, stables, safely.
The folding of armchair structure 1 is described below in the schematic diagram being unfolded under use state in armchair structure 1 as can be seen from Figure 1
Folded process: first sliding second and fold the second feather key 1522 on control mechanism 15, the gear transfer part 1522a on the second feather key 1522 with
Sliding to reserve the space rotated for card transfer part 1531, at this time by the up switching first angle a of switching part 153, this programme
It is preferred that first angle a is 30 degree~60 degree, then unclamping the second feather key 1522 makes to keep off transfer part 1522a to block card transfer part 1531
It resets, the second drawstring 50 has been pulled first distance at this time, continues switching switching part 153 to second angle b, second angle b is excellent
90 degree~150 degree are selected, the second drawstring 50 has been pulled second distance at this time.When the second drawstring 50 has been pulled first distance,
The second rotation top convex body 145 on chair frame folding joint 14 is pulled, and the first rotation of driving top convex body 142 rotates, the first rotation
Upper chair frame connector 141 will be stuck in simultaneously originally when top convex body 142 rotates to push up with the first latching tooth 143 on Wheel-chair connector 144
To Wheel-chair connector 144, chair frame connector 141 and Wheel-chair connector 144 is freely rotated folding in realization;It needs to illustrate
It is that as shown in figure 12, when the second drawstring 50 has been pulled first distance, the second cant portion 1453 has just turned stroke gap
1454a, therefore when the second drawstring 50 has been pulled second distance, the first rotation top convex body 142 continues to rotate, thus will be originally same
When the second latch 146 for being stuck on chair frame connector 141 and lower chair frame connector 147 push up downward chair frame connector 147, realize
Folding is freely rotated in upper chair frame connector 141 and lower chair frame connector 147;It needs to illustrate in advance, be opened up in armchair structure 1
Second end 1471bb is Chong Die with the first beginning 1411aa when opening use state, and the pin shaft that will link is stuck to lock preceding chair frame
Connector 148, third articulated section 1471 first turns to the second beginning 1471ba and the first beginning when armchair structure 1 folds
The state of 1411aa overlapping, second beginning 1471ba drives linkage pin shaft to go to second when continuing to rotate third articulated section 1471
The state of beginning 1471ba and first end 1411ab overlapping, that is, descend chair frame connector 147 and preceding chair frame connector 148 first to fold
To overlapping, chair frame connector 148 is Chong Die with the upper folding of chair frame connector 141 together before then descending chair frame connector 147 to drive, from
And realize upper turning folding between chair frame 11, lower chair frame 12 and preceding chair frame 13.Similarly, armchair structure demander is unfolded to behaviour
Make second and fold control mechanism, the second rotation top second rotation of the guidance of convex body reset spring 200 top convex body 145 is inverted, gradually opened up
Chair frame 11, lower chair frame 12 and preceding chair frame 13 are opened, therefore not to repeat here.
It should be noted that locking bindiny mechanism 4 is symmetrical arranged in perambulator two sides, and led to by the first folding control mechanism 5
It crosses and is both symmetrically arranged drawstring while controlling;Chair frame folding joint 14 is symmetrical arranged in perambulator two sides, and is folded and controlled by second
Mechanism 15 processed is by being both symmetrically arranged drawstring while controlling;The positive lock structure and the positive lock relief structure
It is symmetrical arranged in perambulator two sides, and is driven and moved at the same time by rotating handles;The folding joint 3 that links is also symmetrical in perambulator two sides
Setting, therefore do not repeat excessively.In addition, the first drawstring, the second drawstring described in the present embodiment and third drawstring can be Di Ni
Ma rope and wirerope, in the present embodiment preferably wirerope.
In conclusion the application is had the advantages that by the improvement in structure
1, occupied space is smaller after linkage folding joint enables perambulator sufficiently to fold and fold, easy to carry and storage,
In addition, the structure of linkage is more convenient to use quick;
2, stability of the bindiny mechanism based on triangle is locked, perambulator is stablized in unfolded state, structure letter
It is single, and make the unfolded state after perambulator expansion more stable, reliable, safe.
3, body frame structure for automotive reinforcement further can be locked in expansion use state by positive lock structure, so that perambulator
Expansion use state it is further stable, it is reliable, safety to ensure children's safety to a greater extent;Positive lock is cooperated to release knot
Structure only needs ease rotation rotating handles that can unlock the positive lock structure while unlocking the locking bindiny mechanism,
Structure is simple, easy to operate.
4, described first control mechanism is folded by a key control, can be convenient quickly control perambulator and folding and unfolding
Switch between state, in addition, must first slide the first feather key before folding baby carrier and rotate rotating handles to unlock locking connection
It could start to fold after mechanism, accident can be caused in the case where effective pre- Touch-control error prevention button in this way, substantially increase child
The safety that vehicle uses, in another aspect, it is not only more laborsaving by rotating handles rotation unlock, but also in unlock and folding baby carrier
After can directly lift handle carry perambulator, it is convenient and efficient.
5, the brake structure structure of override type is simple, only need to light step block, so that it may realize linkage brake, and due to brake
Sliding block is with the cooperation for often setting recess and the recess that brakes so that normal danger is more accurate, reliable, stable.
6, chair frame folding joint can more easily realize the folding of perambulator, keep its folding more abundant, save and occupy sky
Between, easy to carry and storage, in addition, its linkage that can be realized chair frame, lower chair frame and preceding chair frame folds and linkage expansion, knot
Structure is ingenious, so that perambulator is more convenient to use, folds more smooth.
7, second the two of the different distance that control mechanism can realize that rotation different angle control is stretched by drawstring is folded
Secondary classification unlock, the automatic step that perambulator need to only can be realized in operator by light switching folds, so that perambulator is folded in
More smooth, stable on the basis of convenient and efficient, safety.
It is the one or more embodiments provided in conjunction with particular content as described above, does not assert the specific reality of the application
It applies and is only limited to these instructions.It is all approximate with the present processes, structure etc., identical, or under the application concept thereof
It makes several technologies to deduce, or replacement all should be considered as the protection scope of the application.
Claims (10)
1. be applied to perambulator on linkage brake structure, which is characterized in that including be located on perambulator Rear frame (22) first after
Wheel (24), the second rear-wheel (25) stop the main brake (26) of first rear-wheel (24) and by the main brake (26) for stopping
It drives and stops the auxiliary brake (27) of second rear-wheel (25) for stopping, first rear-wheel (24) was equipped with main brake along wheel shaft one week
Hole (241);
The main brake (26) includes the wheel shaft mounting base (261) connecting with Rear frame (22), on the wheel shaft mounting base (261)
Equipped with the step block (28) that can be rotated around the first rear-wheel (24) wheel shaft, the step block (28) is equipped with brake sliding block (281), institute
Wheel shaft mounting base (261) periphery is stated to live surely when often setting recess (2611) and brake equipped with what brake sliding block (281) was often set
The brake recess (2612) of braking state, the brake sliding block (281) rotate with the step block (28) and often set recess described
(2611) it is slided between the brake recess (2612).
2. the linkage brake structure according to claim 1 applied on perambulator, which is characterized in that described often to set recess
(2611) it is taper and is disposed adjacent with the brake recess (2612) bottom.
3. the linkage brake structure according to claim 1 applied on perambulator, which is characterized in that the wheel shaft mounting base
(261) it is equipped with and stretches out the brake pin assemblies that the wheel shaft mounting base (261) is caught in realization brake in the main brake hole (241)
(263)。
4. the linkage brake structure according to claim 3 applied on perambulator, which is characterized in that the brake pin assemblies
It (263) include brake pin shaft (2631) and brake guide (2632), the brake pin shaft (2631) is inserted in the brake guide
(2632) ejector pin spring (2633) are equipped in and between the brake pin shaft (2631) and the brake guide (2632), the brake
Vehicle guide (2632) is equipped with stroke hole (263a), and the brake pin shaft (2631) is equipped with and puts in the stroke hole (263a)
Stroke shaft.
5. the linkage brake structure according to claim 3 applied on perambulator, which is characterized in that on the step block (28)
It is additionally provided with when rotation and can control brake pin assemblies (263) brake or no rotary chute (842), the rotary chute
It (842) include the slideway of high-order (8421), low level (8422) and connection high-order (8421) and the low level (8422)
(8423), it is equipped between the wheel shaft mounting base (261) and the step block (28) for resisting the brake guide (2632)
The top cover spring (2634) of the rotary chute (842).
6. the linkage brake structure according to claim 1 applied on perambulator, which is characterized in that on the step block (28)
Equipped with circular arc stroke hole (28a), the wheel shaft mounting base (261), which is equipped with, to be put in circular arc stroke hole to step on described in limitation
The restricted driving axis (28b) of block (28) rotational travel.
7. the linkage brake structure according to claim 1 applied on perambulator, which is characterized in that the auxiliary brake (27)
Include:
Accessory whorl axis mounting base (271) is connect with the Rear frame (22), equipped with can be around on the accessory whorl axis mounting base (271)
The rotating block (29) of second rear-wheel (25) the wheel shaft rotation;
Auxiliary brake hole was arranged along second rear-wheel (25) wheel shaft one week;And
Auxiliary brake pin assemblies (273) are located on the accessory whorl axis mounting base (271) and stretch out the accessory whorl axis mounting base
(271) be caught in the auxiliary brake hole realize brake, the auxiliary brake pin assemblies (273) include auxiliary brake pin shaft (2731) and
Auxiliary brake guide (2732), the auxiliary brake pin shaft (2731) is inserted in the auxiliary brake guide (2732) and the auxiliary brake pin
Secondary ejector pin spring (2733) is equipped between axis (2731) and the auxiliary brake guide (2732), the auxiliary brake guide (2732) sets
There is secondary stroke hole (273a), the auxiliary brake pin shaft (2731) is equipped with the secondary stroke put in the secondary stroke hole (273a)
Axis;
It is additionally provided on the rotating block (29) and can control auxiliary brake pin assemblies (273) brake or no secondary rotation cunning when rotation
Slot (942), the pair rotary chute (942) include that secondary high-order (9421), secondary low level (9422) and connection are described secondary high-order
(9421) and the secondary slideway (9423) of the secondary low level (9422), the accessory whorl axis mounting base (271) and the rotating block
(29) the secondary top cover spring for making the auxiliary brake guide (2732) resist the secondary rotary chute (942) is equipped between
(2734);
Rotating block reset spring is equipped between on the rotating block (29) and the accessory whorl axis mounting base (271).
8. the linkage brake structure according to claim 1-7 applied on perambulator, which is characterized in that the brake
Vehicle sliding block (281), which is equipped with, makes it resist the sliding block reset bullet for often setting recess (2611) or brake recess (2612)
Spring.
9. the linkage brake structure according to claim 8 applied on perambulator, which is characterized in that the step block (28) with
Being equipped between on the wheel shaft mounting base (261), which makes the step block (28) tend to the step block for often setting recess (2611), resets bullet
Spring.
10. the linkage brake structure according to claim 9 applied on perambulator, which is characterized in that the step block (28)
On be additionally provided with the third drawstring (60) for pulling the auxiliary brake (27).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821077397.4U CN209290471U (en) | 2018-07-07 | 2018-07-07 | Applied to the linkage brake structure on perambulator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821077397.4U CN209290471U (en) | 2018-07-07 | 2018-07-07 | Applied to the linkage brake structure on perambulator |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209290471U true CN209290471U (en) | 2019-08-23 |
Family
ID=67651269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821077397.4U Active CN209290471U (en) | 2018-07-07 | 2018-07-07 | Applied to the linkage brake structure on perambulator |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209290471U (en) |
-
2018
- 2018-07-07 CN CN201821077397.4U patent/CN209290471U/en active Active
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