CN107161200A - Infant handcart - Google Patents
Infant handcart Download PDFInfo
- Publication number
- CN107161200A CN107161200A CN201710450112.0A CN201710450112A CN107161200A CN 107161200 A CN107161200 A CN 107161200A CN 201710450112 A CN201710450112 A CN 201710450112A CN 107161200 A CN107161200 A CN 107161200A
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- China
- Prior art keywords
- joint
- block
- push rod
- top pressure
- foot lever
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 230000007306 turnover Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000002360 explosive Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/062—Coupling unit between front wheels, rear wheels and handle
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The invention discloses an infant handcart, which comprises a front foot rod, a rear foot rod, a supporting rod, a push rod, a handle rod, a seat tube, a front foot cross rod and a rear foot cross rod, wherein the front foot rod is connected with the rear foot rod through the supporting rod; the push rod is hinged with the rear foot rod, a linkage mechanism is arranged between the push rod and the rear foot rod, joint linkage assemblies respectively connected with a first joint and a second joint are arranged in the push rod, and when the handle rod is turned forwards relative to the push rod and is basically vertical to the supporting ground plane, the first joint is unlocked; when the handle bar is pressed down, the push rod and the front foot bar are drawn close to the rear foot bar and the supporting bar in opposite directions, and the rear foot bar and the supporting bar rotate around the rear wheel component at the lower end of the rear foot bar and are in a basically vertical state step by step.
Description
【Technical field】
The present invention relates to infant pushchair.
【Background technology】
In the prior art, the structure of Baby perambulator is of all kinds, and it is general be can folding structure.It is quick in order to realize
Ground folding, using front and rear foot lever linkage design structure, i.e., when push rod is rotated around corresponding joint, preceding foot lever and rear foot lever are opposite
Draw close and folding.Using above-mentioned design structure, the speed of its folding and expansion still has larger optimization space.
The present invention is researched and proposed in view of the shortcomings of the prior art.
【The content of the invention】
The technical problem to be solved in the present invention is to provide a kind of infant pushchair, push rod is hinged with rear foot lever, in push rod
Link gear is provided between rear foot lever, and provided with the joint linkage groups for connecting the first joint and second joint respectively in push rod
Part, when handle stem rotates forward turnover relative to push rod and handle stem is substantially vertical with horizontal plane, the first joint then unlocks
State；When continuing to push handle stem, then opposite rear foot lever and support bar are drawn close for push rod and preceding foot lever, and rear foot lever and support bar are then
Wheel assembly around its lower end rotates and is in progressively generally vertical state, therefore, user only needs to a coherent action i.e.
Can be achieved the quick swimmingly folding of vehicle, thus with it is easy to use and practical the characteristics of.
In order to solve the above technical problems, infant pushchair of the present invention, including:
Preceding foot lever, the preceding foot lever lower end is provided with front component.
Foot lever afterwards, the rear foot lever lower end is provided with wheel assembly.
Support bar, the support bar lower end is hinged with rear foot lever lower end, the post upper and preceding foot lever upper articulation
Form the first pin joint A.
Push rod, is provided with the first joint between the push rod lower end and preceding foot lever upper end, the rear foot lever upper end connects with push rod
Connect, and link gear is provided between the rear foot lever upper end and push rod, and the link gear is located above the first joint.
Handle stem, is provided with second joint, the handle stem, which is provided with, to be used between the handle stem lower end and push rod upper end
Controlling second joint to unlock causes handle stem to rotate the solution lock set of turnover relative to push rod.
It is provided between first joint and second joint when handle stem is turned down forward and handle stem and support with respect to push rod
Cause that the first joint unlocks the joint linkage unit of state when ground level is substantially vertical.
The joint linkage unit includes hollow and at least one end open linkage sliding sleeve and is slidably socketed in linkage sliding sleeve
Interior linkage slide core, is provided with joint STATEMENT OF FEDERALLY SPONSORED A, the linkage slide core and the first joint between the linkage sliding sleeve and second joint
Between be provided with joint STATEMENT OF FEDERALLY SPONSORED B, the linkage slide core is provided with sliding guide groove along glide direction, is fixed with the linkage sliding sleeve
Through the spacer pin of sliding guide groove, the linkage slide core is inner being provided with linkage elastic component between spacer pin so that linkage is slided
Set is first synchronized with the movement with respect to push rod again after relative linkage slide core is slided.
The link gear includes the fixed driving tooth block for being located at push rod bottom and fixation be located at rear foot lever upper end and with
The driven tooth block of driving tooth block engagement, the driven tooth block is rotated with push rod and is connected.
First joint includes the first joint block A being fixedly connected with push rod lower end and is fixedly connected with preceding foot lever upper end
The first joint block B, the first joint block A is rotatably pivotally connected with the first joint block B, and the first joint block A and first
Joint block B opposite sides are equipped with the first joint cavity, and each first articular fossa intracavitary side is provided with the first joint teeth groove, two institutes
State that accommodate between the first joint cavity can be while be caught in the first joint block A and the first joint block B the first joint teeth groove
First joint tooth block, being provided between the first joint block A and the first joint tooth block is used for the first joint tooth of top pressure block and departs from the
First joint top pressure component of one joint block B the first joint teeth groove, the joint linkage unit lower end and the first joint top pressure
Component is connected.
The first joint top pressure component includes the first joint drive block being connected with joint linkage unit lower end and is used for
First joint Slave Block of top pressure the first joint tooth block, is provided with phase between the first joint drive block and the first joint Slave Block
Mutually coordinate the first joint top pressure inclined-plane.
The second pass that the second joint includes the second joint block A being connected with handle stem lower end and is connected with push rod upper end
Locking nub B, second joint block A and second joint block the B pivot joints, second joint block A and second joint the block B opposite sides are all provided with
Have second joint cavity, second joint teeth groove be equipped with the inside of second joint cavity described in two, second joint cavity described in two it
Between accommodate can be described while be caught in the second joint tooth block in second joint block A and second joint block B the first joint teeth groove
Being provided between second joint block A and second joint tooth block is used for the second pass that top pressure second joint tooth block departs from second joint block B
The second joint top pressure component of teeth groove is saved, the joint linkage unit upper end is connected with second joint top pressure component.
The second joint top pressure component includes the second joint top pressure block being rotatably arranged in second joint cavity, institute
State second joint top pressure block and be equipped with second joint unblock inclined-plane sideways in opposite directions with second joint tooth block, the solution lock set includes
Unblock STATEMENT OF FEDERALLY SPONSORED for being connected with second joint top pressure block forces second joint tooth block when second joint top pressure block is rotated
Depart from second joint block B second joint teeth groove and unlock.
The solution lock set also includes the solution lock housing body being fixed on handle stem, and the solution lock housing body Elastic Sliding is connected with
Briquetting is unlocked, the unblock briquetting is connected with unblock STATEMENT OF FEDERALLY SPONSORED upper end.
Infant pushchair of the present invention also includes seat pipe, and the seat pipe rear portion is hinged with rear foot lever, and in the middle part of the seat pipe
It is connected with push rod lower slide.
Infant pushchair of the present invention also includes front foot cross bar and rear foot cross bar, before the front foot cross bar is located at two on foot lever
Between portion, the rear foot cross bar is located between two wheel assemblies.
Compared with prior art, infant pushchair of the present invention, during folding, effect solution lock set makes second joint solution
Lock, handle stem then can forward be turned down around second joint, and when handle stem is substantially with horizontal plane, joint linkage unit is just compeled
The first joint is unlocked state, continue to push handlebar stem, foot lever is turned down push rod backwards around the first joint, while the first joint
Motion upwards, and wheel assembly keeps landing, push rod is during foot lever is drawn close backward, in the presence of link gear, rear foot lever and branch
Strut lower end is rotated around wheel assembly and in generally vertical state, now, foot lever and support bar are leaned on backwards for preceding foot lever and push rod
Hold together, thus realize a sequence can Quick folding, it is simple and the characteristics of take down the exhibits quick, easy to operate with structure design.
【Brief description of the drawings】
The embodiment to the present invention is described in further detail below in conjunction with the accompanying drawings, wherein：
Fig. 1 is the side view of infant pushchair of the present invention.
Fig. 2 is one of dimensional structure diagram of infant pushchair of the present invention.
Fig. 3 is the two of the three-dimensional figure structure schematic representation of infant pushchair of the present invention.
Fig. 4 is the structural representation in the first joint in infant pushchair of the present invention.
Fig. 5 is the structural representation of second joint in infant pushchair of the present invention.
Fig. 6 is the explosive view of second joint in infant pushchair of the present invention.
Fig. 7 regards for joint linkage unit in infant pushchair of the present invention with the blast that the first joint top pressure component is connected
Figure.
Fig. 8 is the sectional view in the first joint in infant pushchair of the present invention.
Fig. 9 is the explosive view in the first joint in infant pushchair of the present invention.
Figure 10 is the explosive view of solution lock set in infant pushchair of the present invention.
Figure 11 is the explosive view of joint linkage unit in infant pushchair of the present invention.
Figure 12 is overturn to causing the first joint with horizontal plane substantially for handle stem in infant pushchair of the present invention
The state diagram of unblock.
【Embodiment】
Embodiments of the present invention are elaborated below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2 and Figure 3, infant pushchair of the present invention, including:Preceding foot lever 1, rear foot lever 2, support bar 3, push away
Bar 4, handle stem 7, seat pipe 20, front foot cross bar 30 and rear foot cross bar 40.
The lower end of preceding foot lever 1 is provided with front component 11；The lower end of rear foot lever 2 is provided with wheel assembly 21, the front foot
Before cross bar 30 is located at two between the top of foot lever 1, the rear foot cross bar 40 is located between two wheel assemblies 21.
The lower end of support bar 3 is hinged with the rear lower end of foot lever 2, and the upper end of support bar 3 is formed with the preceding upper articulation of foot lever 1
First pin joint A.
The first joint 5 is provided between the lower end of push rod 4 and the upper end of preceding foot lever 1, the rear upper end of foot lever 2 connects with push rod 4
Connect, and link gear 6 is provided between the upper end of rear foot lever 2 and push rod 4, and the link gear 6 is located at the top of the first joint 5
During folding, foot lever 2 rotates around wheel assembly 21 with support bar 3 and is in generally vertical state after link gear 6 causes.
The rear portion of seat pipe 20 is hinged with rear foot lever 2, and the middle part of the seat pipe 20 is connected with the lower slide of push rod 4, folding
When, seat pipe 20 is slided and forward extended out with respect to push rod 4.
Second joint 8 is provided between the lower end of handle stem 7 and the upper end of push rod 4 so that preceding foot lever 1, support bar 3, push rod 4
The four-bar mechanism controlled by second joint 8 is constituted with rear foot lever 2, the handle stem 7, which is provided with, to be used to control second joint 8 to unlock
So that handle stem 7 can rotate the solution lock set 9 of turnover relative to push rod 4.
Between first joint 5 and second joint 8 be provided with when handle stem 7 with respect to push rod 4 turn down forward and handle stem 7 and
Support ground level make it that the first joint 5 unlocks the joint linkage unit 100 of state, the substantially vertical bag when substantially vertical
Include it is vertical with close to vertical, i.e., when the upset of handle stem 7 to it is vertical or near vertical with support ground level when, the first joint 5 is just solved
Except lock-out state.
When being unlocked, being unlocked by pressing component 9, solution lock set 9 state, now, hand handle so that second joint 8 unlocks
Bar 7 can forward be turned down around second joint 8 with respect to push rod 4, as shown in figure 12, when handle stem 7 turned down forward with respect to push rod 4 and with
When supporting ground level substantially vertical, the overall corresponding start of 8 effected joint linkage unit of second joint 100, joint linkage unit 100
Lower end just causes the first joint 5 to unlock state, therefore, destroys by preceding foot lever 1, support bar 3, push rod 4 and the institute of rear foot lever 2
The stability of the four-bar mechanism of formation；After first joint 5 unlocks, continue to press down on handle stem 7, push rod 4 is then around first
Joint 5 is turned over downwards, rear foot lever 2 in the presence of link gear 6, rear foot lever 2 and support bar rotated around wheel assembly 21 and by
It is in gradually vertical state, at the same time, foot lever 1 backward draw close by foot lever 22 before the upper end of support bar 3 is then pulled, in whole folding process
In, wheel assembly 21 lands, and support bar 3 and rear foot lever 2 are in generally vertical state, and preceding foot lever 1 and push rod 4 are towards support bar 3
Drawn close with the rear direction of foot lever 2, finally realize that a sequence can complete Quick folding, and cause vehicle vehicle frame to keep erectting
State, the characteristics of with simple operation.
As shown in figure 11, the joint linkage unit 100 includes hollow and at least one end open linkage sliding sleeve 101 and sliding
The dynamic linkage slide core 102 being socketed in linkage sliding sleeve 101, provided with joint linkage between the linkage sliding sleeve 101 and second joint 8
Joint STATEMENT OF FEDERALLY SPONSORED B107 is provided between part A106, the joint 5 of linkage slide core 102 and first, the linkage slide core 102 is along slip
Direction is provided with the spacer pin 104 being fixed with sliding guide groove 103, the linkage sliding sleeve 101 through sliding guide groove 103, institute
State linkage slide core 102 inner being provided with linkage elastic component 105 between spacer pin 104 so that linkage sliding sleeve 101 first slide by relative link
Core 102 is synchronized with the movement with respect to push rod 4 again after sliding.The joint STATEMENT OF FEDERALLY SPONSORED A106 effects linkage sliding sleeve 101 linkage slide core relatively
102 power when sliding is F1, and it is F2 that the joint STATEMENT OF FEDERALLY SPONSORED B107, which acts on the unlock power of state of the first joint 5, is met：F1
＜ F2.
Joint STATEMENT OF FEDERALLY SPONSORED A106 and joint STATEMENT OF FEDERALLY SPONSORED B107 is steel cable, and linkage elastic component 105 is spring, for the ease of installing
Link elastic component 105, and the linkage slide core 102, provided with the accommodating cavity 108 for placing linkage elastic component 105, works as pass along glide direction
When section STATEMENT OF FEDERALLY SPONSORED A106 lower ends overcome the elastic force pulling linkage sliding sleeve 101 of linkage elastic component 105, link the then relative connection of sliding sleeve 101
Move slide core 102 and slide；When the elastic component 105 that links, which is limited pin 104, is compressed to extreme position, joint STATEMENT OF FEDERALLY SPONSORED A106 lower ends
Linkage sliding sleeve 101 is pulled on, now, relative push rod 4 is moved linkage sliding sleeve 101 simultaneously with linkage slide core 102, i.e., joint is linked
The overall relative push rod 4 of component 100 is moved, and solves the first joint 5 by the joint STATEMENT OF FEDERALLY SPONSORED B107 linkage starts of the first joint 5
Except lock-out state, on the occasion of now, it is in substantially vertical state that handle stem 7, which turns down position with support ground level,.
Replaced as the joint linkage unit 100, linkage sliding sleeve 101 and linkage slide core 102 replace with an extension spring, joint
STATEMENT OF FEDERALLY SPONSORED A106 and joint STATEMENT OF FEDERALLY SPONSORED B107 are connected with the two ends of extension spring respectively.
As shown in Figure 8 and Figure 9, the link gear 6 includes the fixed driving tooth block 61 for being located at the bottom of push rod 4 and fixation is set
The rear upper end of foot lever 2 and the driven tooth block 62 that engages with driving tooth block 61, the driven tooth block 62 rotates with push rod 4 and is connected,
When the unblock of first joint 5 carries out folding, push rod 4 is downwardly turned over around the first joint 5, driven tooth block 62 rotate with driving tooth block 61 and
Rotate so that rear foot lever 2 then around its with axis of rotation that push rod 4 be connected progressively in vertical state.
As shown in Fig. 4, Fig. 8 and Fig. 9, first joint 5 includes the first joint block being fixedly connected with the lower end of push rod 4
A51 and the first joint block B52, the first joint block A51 and the first joint block B52 being fixedly connected with the preceding upper end of foot lever 1 can
Pivot joint is rotated, and the first joint block A51 and the first joint block B52 opposite sides are equipped with the first joint cavity 53, Mei Yisuo
The inner side of the first joint cavity 53 is stated provided with the first joint teeth groove 54, being accommodated between the first joint cavity 53 described in two can be while blocks
Enter the first joint tooth block 55 in the first joint block A51 and the first joint block B52 the first joint teeth groove 54, first joint
Being provided between block A51 and the first joint tooth block 55 is used for the first pass that the first joint tooth of top pressure block 55 departs from the first joint block B52
The first joint top pressure component 56 of teeth groove 54 is saved, the lower end of joint linkage unit 100 is connected with the first joint top pressure component 56,
And first be provided between joint tooth block 55 and the first joint block A51 and in the first joint cavity 53 and be used for elastic top pressure first
The dynamic clamping head and quiet clamping head of joint tooth block 55, such as spring so that the first joint tooth block 55 keeps being stuck in the first joint block A51 and the simultaneously
In one joint block B52 the first joint teeth groove 54.
As shown in Fig. 6, Fig. 7 and Fig. 9, the first joint top pressure component 56 includes connecting with the lower end of joint linkage unit 100
The the first joint drive block 561 connect and the first joint Slave Block 562 for the first joint tooth of top pressure block 55, first joint
Provided with the first joint top pressure inclined-plane 563 that cooperates between the joint Slave Block 562 of drive block 561 and first.When joint linkage groups
When the lower end of part 100 pulls the first joint drive block 561 relative to the first joint block A51 and the first joint block B52 rotations, the first joint
Slave Block 562 is under the pushing tow guide effect on the first joint top pressure inclined-plane 563, and the first joint Slave Block 562 produces position vertically
Move and the first joint tooth of pushing tow block 55, the first joint teeth groove 54 for forcing the first joint tooth block 55 to depart from the first joint block B52 is real
Existing first joint 5 is unlocked.
As shown in Figure 5 and Figure 6, the second joint 8 include the second joint block A81 that is connected with the lower end of handle stem 7 and with
The second joint block B82 of the upper end of push rod 4 connection, second joint block A81 and second joint block the B82 pivot joints, described second closes
Locking nub A81 and second joint block B82 opposite sides are equipped with second joint cavity 83, and the inner side of second joint cavity 83 is all provided with described in two
There is second joint teeth groove 84, being accommodated between second joint cavity 83 described in two can be while be caught in second joint block A81 and second
Second joint tooth block 85 in joint block B82 the first joint teeth groove 84, the second joint block A81 and second joint tooth block 85
Between be provided with and be used for the second joint top pressure for the second joint teeth groove 84 that top pressure second joint tooth block 85 departs from second joint block B82
Component 86, is provided with dynamic clamping head and quiet clamping head, such as spring between the second joint tooth block 85 and second joint block B82 so that second closes
Section tooth block 85 keeps being caught in second joint block A81 and second joint block B82 second joint teeth groove 84 simultaneously, the joint connection
Moving part A106 upper ends are connected with second joint top pressure component 86, and the joint STATEMENT OF FEDERALLY SPONSORED A106 upper ends are prejudicially fixedly connected on
On two joint block A81, and when second joint 8 is unlocked, when handlebar stem 7 is turned down forward with respect to push rod 4 around second joint 8, close
Section STATEMENT OF FEDERALLY SPONSORED A106 upper ends are then wound on second joint block A81, and then joint STATEMENT OF FEDERALLY SPONSORED B107 lower ends pull second is closed
Save top pressure component 86 and start.
As shown in fig. 6, the second joint top pressure component 86 includes the be rotatably arranged in second joint cavity 83
Two joint top pressure blocks 861, the second joint top pressure block 861 is equipped with second joint solution sideways in opposite directions with second joint tooth block 85
Inclined-plane 862 is locked, the unblock STATEMENT OF FEDERALLY SPONSORED 91 that the solution lock set 9 includes being used to be connected with second joint top pressure block 861 causes second
Joint top pressure block 861 forces second joint tooth block 85 to depart from second joint block B82 second joint teeth groove 84 and unlock when rotating,
The unblock STATEMENT OF FEDERALLY SPONSORED 91 is steel cable.
As shown in Figure 10, the solution lock set 9 also includes the solution lock housing body 92 being fixed on handle stem 7, the solution lock housing
The Elastic Sliding of body 92 is connected with unblock briquetting 93, and the unblock briquetting 93 is connected with unblock STATEMENT OF FEDERALLY SPONSORED 91 upper end.
When second joint 8 is unlocked, being unlocked by pressing briquetting 93, unblock briquetting 93 then pulls the unblock of the both sides of handle stem 7
STATEMENT OF FEDERALLY SPONSORED 91, unblock STATEMENT OF FEDERALLY SPONSORED 91 lower end then acts on second joint top pressure block 861, is allowed to relative second joint block A81 and second
Joint block B82 is rotated, and axially displaced by the second joint unblock top pressure second joint tooth block 85 of inclined-plane 862, forces second
Joint tooth block 85 departs from second joint block B82 second joint teeth groove 84, and now, second joint block A81 can be with respect to second joint
Block B82 is rotated, i.e., handle stem 7 is overturn forward with respect to push rod 4 around second joint 8, is completed second joint 8 and is unlocked.
Second joint 8 is completed after unblock, continues to overturn handle stem 7 forward, the upper end of joint linkage unit 100 is then wound in
On second joint block A81, and then cause joint STATEMENT OF FEDERALLY SPONSORED B107 lower ends the first joint of pull top pressure block 561, the first joint top pressure
Block 561 produces corresponding rotation, the first joint unblock inclined-plane 563 in the presence of, the first joint tooth block 55 produce axial displacement and
Depart from the first joint block A51 second joint teeth groove 54, complete the unblock in the first joint 5.
In summary, infant pushchair of the present invention uses above-mentioned technical proposal, passes through joint linkage unit 100, linkage
Mechanism 6 and support bar, in folding, when handle stem 7 is overturn forward to supporting ground level substantially vertical with respect to push rod 4, the
One joint 5 just unlocks state, and during folding, wheel assembly 21, which is remained, to land, support bar 3 and rear foot lever 2
Rotated around wheel assembly 21 and be in progressively generally vertical state, push rod and preceding foot lever draw close receipts towards support bar 3 and rear foot lever 2
Folding, thus by a sequence can Quick folding, with using it is easy to operate the characteristics of.
Claims (10)
1. infant pushchair, it is characterised in that including:
Preceding foot lever (1), preceding foot lever (1) lower end is provided with front component (11)；
Foot lever (2) afterwards, rear foot lever (2) lower end is provided with wheel assembly (21)；
Support bar (3), support bar (3) lower end is hinged with rear foot lever (2) lower end, support bar (3) upper end and preceding foot lever
(1) upper articulation the first pin joint of formation (A)；
Push rod (4), the first joint (5) are provided between push rod (4) lower end and preceding foot lever (1) upper end, on the rear foot lever (2)
End is connected with push rod (4), and link gear (6), and the gear are provided between rear foot lever (2) upper end and push rod (4)
Structure (6) is located above the first joint (5)；
Second joint (8), the handle stem (7) are provided between handle stem (7), handle stem (7) lower end and push rod (4) upper end
Being provided with is used to control second joint (8) to unlock so that handle stem (7) can rotate the solution lock set (9) of turnover relative to push rod (4)；
It is provided between first joint (5) and second joint (8) when handle stem (7) is turned down forward and hand handle with respect to push rod (4)
Cause that the first joint (5) unlocks the joint linkage unit (100) of state when bar (7) and substantially vertical support ground level.
2. infant pushchair according to claim 1, it is characterised in that the joint linkage unit (100) include it is hollow and
At least the linkage sliding sleeve (101) of one end open and it is slidably socketed in the linkage slide core (102) in linkage sliding sleeve (101), it is described
It is dynamic that joint STATEMENT OF FEDERALLY SPONSORED A (106), the linkage slide core (102) and the first joint are provided between sliding sleeve (101) and second joint (8)
(5) joint STATEMENT OF FEDERALLY SPONSORED B (107) is provided between, the linkage slide core (102) is provided with sliding guide groove (103) along glide direction, described
The spacer pin (104) through sliding guide groove (103) is fixed with linkage sliding sleeve (101), the linkage slide core (102) is inner
Provided with linkage elastic component (105) between spacer pin (104) so that linkage sliding sleeve (101) first slide by relative linkage slide core (102)
It is synchronized with the movement again with respect to push rod (4) afterwards.
3. infant pushchair according to claim 1 or claim 2, it is characterised in that the link gear (6) includes fixation and is located at
The driving tooth block (61) of push rod (4) bottom and it is fixed being located at rear foot lever (2) upper end and engaged with driving tooth block (61) it is driven
Tooth block (62), the driven tooth block (62) rotates with push rod (4) and is connected.
4. infant pushchair according to claim 1 or claim 2, it is characterised in that first joint (5) includes and push rod (4)
The first joint block A (51) that lower end is fixedly connected and the first joint block B (52) being fixedly connected with preceding foot lever (1) upper end, it is described
First joint block A (51) and the first joint block B (52) is rotatably pivotally connected, and the first joint block A (51) and the first joint block B
(52) opposite side is equipped with the inside of the first joint cavity (53), each first joint cavity (53) and is provided with the first joint teeth groove
(54), being accommodated between the first joint cavity (53) described in two can be while be caught in the first joint block A (51) and the first joint block B
(52) the first joint tooth block (55) in the first joint teeth groove (54), the first joint block A (51) and the first joint tooth block
(55) being provided between is used for the of the first joint teeth groove (54) that top pressure the first joint tooth block (55) departs from the first joint block B (52)
One joint top pressure component (56), joint linkage unit (100) lower end is connected with the first joint top pressure component (56).
5. infant pushchair according to claim 4, it is characterised in that the first joint top pressure component (56) include with
First joint drive block (561) of joint linkage unit (100) lower end connection and for top pressure the first joint tooth block (55)
One joint Slave Block (562), is provided with phase interworking between the first joint drive block (561) and the first joint Slave Block (562)
Close the first joint top pressure inclined-plane (563).
6. infant pushchair according to claim 1 or claim 2, it is characterised in that the second joint (8) includes and handle stem
(7) the second joint block A (81) of the lower end connection and second joint block B (82) being connected with push rod (4) upper end, the second joint
Block A (81) and second joint block B (82) pivot joints, the second joint block A (81) and second joint block B (82) opposite sides are equipped with
Second joint teeth groove (84) is equipped with the inside of second joint cavity (83), second joint cavity (83) described in two, second described in two
Being accommodated between joint cavity (83) can be while be caught in second joint block A (81) and second joint block B (82) the first joint tooth
Second joint tooth block (85) in groove (84), being provided between the second joint block A (81) and second joint tooth block (85) is used for
Top pressure second joint tooth block (85) departs from the second joint top pressure component of second joint block B (82) second joint teeth groove (84)
(86), joint linkage unit (100) upper end is connected with second joint top pressure component (86).
7. infant pushchair according to claim 6, it is characterised in that the second joint top pressure component (86) includes can
Rotationally it is located at the second joint top pressure block (861) in second joint cavity (83), the second joint top pressure block (861) and the
Two joint tooth blocks (85) are equipped with second joint unblock inclined-plane (862) sideways in opposite directions, and the solution lock set (9) includes being used for and the
The unblock STATEMENT OF FEDERALLY SPONSORED (91) of two joint top pressure blocks (861) connection forces the second pass when second joint top pressure block (861) is rotated
Section tooth block (85) departs from second joint block B (82) second joint teeth groove (84) and unlocked.
8. infant pushchair according to claim 7, it is characterised in that the solution lock set (9) also includes being fixed on hand handle
Solution lock housing body (92) on bar (7), described solution lock housing body (92) Elastic Sliding is connected with unblock briquetting (93), the unblock briquetting
(93) it is connected with unblock STATEMENT OF FEDERALLY SPONSORED (91) upper end.
9. infant pushchair according to claim 1 or claim 2, it is characterised in that also including seat pipe (20), the seat pipe (20)
Rear portion is hinged with rear foot lever (2), and is connected in the middle part of the seat pipe (20) with push rod (4) lower slide.
10. infant pushchair according to claim 1 or claim 2, it is characterised in that also horizontal including front foot cross bar (30) and the rear foot
Bar (40), before the front foot cross bar (30) is located at two between foot lever (1) top, the rear foot cross bar (40) is located at two wheel assemblies
(21) between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710450112.0A CN107161200B (en) | 2017-06-15 | 2017-06-15 | Infant handcart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710450112.0A CN107161200B (en) | 2017-06-15 | 2017-06-15 | Infant handcart |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107161200A true CN107161200A (en) | 2017-09-15 |
| CN107161200B CN107161200B (en) | 2023-03-28 |
Family
ID=59818708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710450112.0A Active CN107161200B (en) | 2017-06-15 | 2017-06-15 | Infant handcart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107161200B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112849250A (en) * | 2021-01-26 | 2021-05-28 | 徐江林 | Baby carriage joint |
| CN114560005A (en) * | 2022-02-22 | 2022-05-31 | 深圳市惠贝贝科技有限公司 | Baby carriage |
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| CN206107301U (en) * | 2016-08-31 | 2017-04-19 | 广东乐美达集团有限公司 | Foldable bassinet links |
| CN106627714A (en) * | 2017-01-13 | 2017-05-10 | 卢键平 | Linkage folding baby carriage frame |
| CN206954294U (en) * | 2017-06-15 | 2018-02-02 | 李培 | Infant handcart |
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| CN104354749A (en) * | 2014-10-31 | 2015-02-18 | 广东乐美达集团有限公司 | Linkage foldable children stroller |
| CN205010293U (en) * | 2015-08-19 | 2016-02-03 | 中山盛加儿童用品有限公司 | Handcart is folded to coordinated type |
| CN205854241U (en) * | 2016-03-30 | 2017-01-04 | 严广 | A kind of fast Strapdown folding baby carrier |
| CN206107301U (en) * | 2016-08-31 | 2017-04-19 | 广东乐美达集团有限公司 | Foldable bassinet links |
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| CN112849250B (en) * | 2021-01-26 | 2024-01-23 | 徐江林 | Baby carriage joint |
| CN114560005A (en) * | 2022-02-22 | 2022-05-31 | 深圳市惠贝贝科技有限公司 | Baby carriage |
| CN114560005B (en) * | 2022-02-22 | 2023-08-25 | 深圳市惠贝贝科技有限公司 | Baby carriage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107161200B (en) | 2023-03-28 |
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Effective date of registration: 20180327 Address after: No. 51 West 528401 shops in Guangdong province Zhongshan City Rainbow Road No. 52 Jin Yiyuan B gold Shengge Applicant after: B & B BEST INDUSTRIAL CO.,LTD. Address before: Tongxing road 528414 Guangdong city of Zhongshan Province Dongsheng Town, No. 16 Applicant before: Li Pei |
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