CN208119228U - A kind of pocket frame and the equal foldable baby cart of vehicle frame - Google Patents
A kind of pocket frame and the equal foldable baby cart of vehicle frame Download PDFInfo
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- CN208119228U CN208119228U CN201721872119.3U CN201721872119U CN208119228U CN 208119228 U CN208119228 U CN 208119228U CN 201721872119 U CN201721872119 U CN 201721872119U CN 208119228 U CN208119228 U CN 208119228U
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- backboard
- rotation point
- rod
- connecting rod
- rotation
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Abstract
A kind of pocket frame and the equal foldable baby cart of vehicle frame；Including seat pocket frame and vehicle frame；Seat pocket frame includes backboard, loading plate, seating pad and handrail；Loading plate is connected in backboard bottom front and forms angle；Seating pad rotation is set to backboard bottom front, and seating pad fits in loading plate and locked by locking mechanism support plate when opening；Handrail rotation is set to cushion front edge of board, and is linked with locking mechanism to unlock seating pad and loading plate；Vehicle frame includes push rod, front support rod, back stay, first connecting rod and second connecting rod；With a four-bar mechanism；The lower section that first connecting rod rear end thereof connects push rod forms the first rotation point；First connecting rod front end and back stay upper end are rotatablely connected to form the second rotation point；The upper section that second connecting rod front end is rotatablely connected back stay forms third and rotates point；Second connecting rod rear end and push rod lower end are rotatablely connected to form the 4th rotation point；Front support rod upper end is rotationally connected with the second rotation point；It further include locking structure and Tiebar structure.
Description
Technical field
The utility model relates to strollers, and in particular to and a kind of foldable baby stroller, pocket frame are independent design,
It is removably assembled with vehicle frame, and when seat pocket frame is installed on vehicle frame, vehicle frame and seat pocket frame can fold completely.
Background technique
Stroller, also known as perambulator have many types according to the difference of function, but usually all include vehicle frame and seat pocket frame
Two parts, by connected structure, removably insert group cooperates the two.
For the ease of carrying and storing, there is producer to devise a kind of folding stroller, the vehicle of this stroller
Frame can fold, it is therefore an objective to which the diminution that volume is realized by folding solves the problems, such as that storage occupied space is big.However, existing
Stroller is found when in use, although vehicle frame can fold, facilitates storage, is still had the following disadvantages：
If one, seat pocket frame insert group is positioned on vehicle frame, folding while cannot achieve the two, that is, existing baby pushes away
Vehicle can not realize that a pocket frame is folded together with vehicle frame well, need individually to fold vehicle frame after removing seat pocket frame,
The two is stored respectively；Even if the two can be folded simultaneously in the assembled state, the amplitude folded also extremely has
Limit, it is difficult to meet the requirement for reducing storage occupied space；
Two, seat pocket frame there are problems that not folding, larger there is also folded state lower volume and beat even if foldable
The deficiency that open state stability inferior is not good enough；
Three, the structure design of vehicle frame is not good enough, and the gearing operation between when folding each rod piece is not smooth, and can not have after folding
Effect reduces its volume.
Therefore, above-mentioned the shortcomings of the prior art how is solved, is become as the class to be researched and solved of the utility model
Topic.
Summary of the invention
The purpose of the utility model is to provide a kind of pocket framves and the equal foldable baby cart of vehicle frame.
In order to achieve the above objectives, the technical solution adopted in the utility model is：A kind of pocket frame and vehicle frame are folding
Stroller；Including folding seat pocket frame and folding vehicle frame, the positioning of the two insert group；Wherein,
The seat pocket frame includes backboard, loading plate, seating pad and handrail；
The loading plate is connected in the bottom front of the backboard, and is had angle with backboard shape；
The seating pad rotation is connected in the bottom front of the backboard, has two opening, upward folding shapes downwards
State, and in the on-state, the lower surface of the seating pad fits in the upper surface of the loading plate；Wherein, the cushion
Plate reaches locking by a locking mechanism and the loading plate；
The lower rotation of the handrail is connected in the front end of the seating pad, have open up, downward folding two
State, and handrail is linked with the locking mechanism, constitutes when the downward folding of handrail, and bottom will be described in unlock
Locking mechanism, and then unlock the seating pad and the loading plate；
The vehicle frame includes push rod, front support rod, back stay, first connecting rod and second connecting rod, this five rod pieces are pairs of
It is set to the left and right sides of vehicle frame；
Wherein, the upper section of each push rod upwardly extends, and holds for user；The lower end of each front support rod is rotatablely connected
There is a front-wheel, the lower end of each back stay is rotatably connected to a rear-wheel；
Wherein, the upper section of the lower section of the push rod and the first connecting rod, the second connecting rod and the back stay is total
With one four-bar mechanism of composition；
Under the opening state of vehicle frame, the connection status of the four-bar mechanism is as follows：
The rear end thereof of the first connecting rod is connected to the lower section of the push rod, forms one first rotation point；First connecting rod
Front end and the back stay upper end be rotatablely connected, formed one second rotation point, this second rotation point be located at described first turn
The front of dynamic point；The front end of the second connecting rod is rotationally connected with the upper section of the back stay, forms a third and rotates point, this
3 rotation points are located at the lower section of the second rotation point；The rear end of second connecting rod and the lower end of the push rod are rotatablely connected, and are formed
One the 4th rotation point, the 4th rotation point are located at the lower section of the first rotation point, and are located at the rear of third rotation point；
The upper end of the front support rod is rotationally connected with the second rotation point；
It wherein, further include a locking structure, which at least corresponds to the first rotation point, second rotation
Point, third rotation point, the described 4th one of them rotated in point are arranged, and pass through at least one to the four-bar mechanism
Rotation point carries out locking and then reaches the locking to four-bar mechanism；
Wherein, further include a Tiebar structure, act on the second connecting rod and the front support rod；The front end of the Tiebar structure
It is rotationally connected with the upper section of the front support rod, forms one the 5th rotation point, the 5th rotation point is located at the second rotation point
Lower section；The rear end thereof of the Tiebar structure is connected to the leading portion of the second connecting rod, forms one the 6th rotation point.
Related content in above-mentioned technical proposal is explained as follows：
1. in above scheme, the loading plate rotation is connected in the bottom front of the backboard, and loading plate and backrest
The adjustable angle for the angle that plate is formed.Its angle adjustment mechanism will appreciate that by those skilled in the art, therefore not one by one
It enumerates.
The loading plate directly can also be integrally bent to form forward by the bottom of backboard, but the program will be limited and be carried
The angle of plate and backboard.
2. in above scheme, the locking mechanism includes lock tongue, lockhole and unlock rod；The lock tongue is slided along the longitudinal direction
It is dynamic to be set in the loading plate, and outwardly directed trend is maintained by a spring；The lockhole is opened in the seating pad
In, the corresponding lock tongue setting；When lock tongue stretches out, the front end of lock tongue, which is protruded into the lockhole, reaches to seating pad and loading plate
Locking；
The unlock rod is slideably positioned in along the longitudinal direction in the lockhole of the seating pad, the rear end of unlock rod and the lock
The front end of tongue is constituted against cooperation when unlock rod rearward displacement, forces lock tongue to overcome the front end generation extruding of lock tongue described
Tension force of spring bounces back backward, and then is detached from the lockhole, unlocks seating pad and loading plate；
The front end of the unlock rod corresponds to the bottom setting of the handrail, and the bottom of handrail is downwardly convex to be equipped with an effect
Convex block；It constitutes when handrail rotates clockwise forward（I.e. downward folding when）, the effect convex block is suitable around the rotation axis of handrail
Hour hands rotate backward, and then the front end of unlock rod described in abutment action, and unlock rod rearward displacement is forced to squeeze the lock tongue backward
Pressure.
3. in above scheme, the seat pocket frame further includes a leg backing plate or pedal stroke, its rear end rotation is connected in described
The front end of seating pad, composition leg backing plate or pedal stroke, which have, to be stretched upwards, bends downward two states, and bend downward
Angle can be multistage adjustable.
4. further including backboard on one, backboard slides in above-below direction with the backboard and matches on this in above scheme
It closes, and passes through a multistage adjustment structure adjusting position relationship between the two；The multi-stage positioning mechanism by a positioning wedged block and
Multiple locating groove compositions being arranged along the vertical direction, the two are respectively arranged on the backboard and the upper backboard,
Realize that the upper backboard is leaned on described by the snaps into position of the positioning wedged block and locating groove described in different height position
Upper-lower height position on backboard is adjusted.
It designing whereby, the backrest length for overcoming existing seat pocket frame can not be adjusted, even if adjustable, adjustment structure
It is complex, it is improved so as to cause the processing cost of seat pocket frame, the inconvenient problem of length adjustment.
5. in above scheme, the positioning wedged block is set on the upper backboard, each locating groove is set to institute
It states on backboard.
6. in above scheme, be installed with a clamping plate on the upper backboard, the clamping plate it is parallel with the upper backboard and
Every setting, it is formed with a fitting groove between the two, which supplies the backboard slidable fit；The upper end of the clamping plate is fixedly arranged on
The upper end of the upper backboard, the lower end of clamping plate is outstanding to be set, and towards each locating groove projection on the backboard
State positioning wedged block.Design is hanged by the lower end of the clamping plate, the positioning wedged block can more be held by the elastic deformation of clamping plate
Easy reaching the snaps into position to each locating groove and release positions, so that upper backboard is adjusted more with respect to the position of backboard
It is convenient.
7. in above scheme, guide frame, the guide frame packet are equipped between the upper backboard and the backboard
Guide groove and sliding shoe are included, the guide groove is arranged along the vertical direction, and the sliding shoe protrudes into guide groove to be slidably matched therewith；
The guide groove and the sliding shoe are respectively arranged on the upper backboard and the backboard.
8. in above scheme, the two sides of the upper backboard are foldd forward, the two sides of the backboard are wrapped
It covers；The guide groove and the sliding shoe are respectively arranged on the side of the upper backboard and the side of the backboard.
9. in above scheme, the guide groove has a length, so to upper backboard and backboard slide up and down away from
It is limited from generating.
10. in above scheme, the push rod is made of the push rod upper section and the push rod lower section of expansion fit.It is flexible
Adjustment structure will appreciate that by those skilled in the art, therefore not enumerate one by one.
11. in above scheme, being connected between the second rotation point of the two of the left and right sides by a horizontally disposed middle strut
It connects；By a horizontally disposed first crossbar connection between the front support rod of the two of the left and right sides, fore-stock is formed, after two is described
By a horizontally disposed second crossbar connection between strut, after-poppet is formed.It designs whereby, to promote the entirety of the vehicle frame
Structural strength.
12. in above scheme, the left and right ends of the middle strut are convexly equipped with a connection piece, the Tiebar structure separately down
It is made of front rod and back link rotation connection；The rear end of the back link is the rear end of the Tiebar structure, rotation connection
In the 6th rotation point；The front end of back link is rotationally connected with the rear end of the front rod, forms one the 7th rotation point；Preceding company
The front end of bar is the front end of the Tiebar structure, is rotationally connected with the 5th rotation point；Also, the leading portion of the back link
It is rotationally connected with the lower end of the connector, an eight revolution is formed and moves point, under the opening state of vehicle frame, which moves point
In the rear of the 7th rotation point.
13. in above scheme, the locking structure corresponds to the 4th rotation point setting, including the length along the push rod
Direction sliding extension is set to a locking rod of push rod lower section, and the corresponding locking rod is opened in the second connecting rod rear end
One lock groove；Under vehicle frame opening state, the second connecting rod is located along the same line with the push rod, at this time four-bar mechanism
Triangular in shape, the locking rod protrudes into the lock groove, locks the 4th rotation point.
It can also be other locking structures with said function that those skilled in the art can skillfully grasp.
14. in above scheme, in the opening procedure of the vehicle frame, the lower section of the push rod around the 4th rotation point to
After rotate, the first connecting rod is rotated up around the second rotation point, and the second connecting rod is upward around third rotation point
Rotation；The 6th rotation point does the displacement far from the back stay with the upward rotation of the second connecting rod upwards and backward,
The 5th rotation point does forward the displacement far from the back stay simultaneously；The front support rod due to it is described 5th rotation point to
Preceding displacement and pushed, be rotated up around the second rotation point, and then fully open vehicle frame；
In the folding process of the vehicle frame, the lower section of the push rod rotates forward around the 4th rotation point, and described the
One connecting rod is rotated down around the second rotation point, and the second connecting rod is rotated down around third rotation point；Described 6th
Rotation point does downwards and forward the displacement close to the back stay, while described 5th turn with the downward rotation of the second connecting rod
Dynamic point does the displacement close to the back stay backward；The front support rod is drawn due to the rearward displacement that the 5th rotation is put
It is dynamic, it is rotated down around the second rotation point, and then complete folding stand.
The working principle and advantage of the utility model are as follows：
A kind of pocket frame of the utility model and the equal foldable baby cart of vehicle frame；Including seat pocket frame and vehicle frame；Seat pocket frame
Including backboard, loading plate, seating pad and handrail；Loading plate is connected in backboard bottom front and forms angle；Seating pad
Rotation is set to backboard bottom front, and when opening, seating pad fits in loading plate and locked by locking mechanism and loading plate；
Handrail rotation is set to cushion front edge of board, and is linked with locking mechanism, will unlock locking mechanism when handrail folding, into
And unlock seating pad and loading plate；Vehicle frame includes push rod, front support rod, back stay, first connecting rod and second connecting rod；The lower section of push rod
Four-bar mechanism is constituted with the upper section of the first, second connecting rod and back stay；The lower section shape of first connecting rod rear end thereof connection push rod
At the first rotation point；First connecting rod front end and back stay upper end are rotatablely connected to form the second rotation point；The rotation of second connecting rod front end
The upper section for connecting back stay forms third and rotates point；Second connecting rod rear end and push rod lower end are rotatablely connected to form the 4th rotation point；
Front support rod upper end is rotationally connected with the second rotation point；It further include locking structure, at least corresponding first, second, third, fourth rotation
One is arranged in point；It further include Tiebar structure, the upper section that front end is rotatablely connected front support rod forms the 5th rotation point, and its rear end turns
The leading portion of dynamic connection second connecting rod forms the 6th rotation point.
Compared to existing technologies, when the utility model may be implemented present pocket frame insert group and be positioned on vehicle frame, and no matter
Seat pocket frame is positive installation or reversed installation, both can effectively be folded, because receiving respectively without removing seat pocket frame
It receives, while the amplitude that the two folds is larger, can effectively meet the requirement for reducing storage occupied space；Wherein seat pocket frame not only can be with
It folds, and the small volume under folded state, in addition the stability under opening state is preferable；In addition the structure design of vehicle frame is skilful
Wonderful, operation when folding and opening is coherent and smooth, folded small volume.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram one of the utility model embodiment seat pocket frame（It is positive three-dimensional）；
Attached drawing 2 is the structural schematic diagram two of the utility model embodiment seat pocket frame（The back side is three-dimensional）；
Attached drawing 3 is the schematic diagram of the section structure of the utility model embodiment seat pocket frame；
Attached drawing 4 is the decomposition explosion figure of the utility model embodiment seat pocket frame；
Attached drawing 5 is structural schematic diagram when the utility model embodiment seat pocket frame folds；
Attached drawing 6 is the folded structural schematic diagram of the utility model embodiment seat pocket frame；
Attached drawing 7 is structural schematic diagram when the upper backboard of the utility model embodiment seat pocket frame is shunk；
Cross-section structure when attached drawing 8 is the upper backboard and backrest plate stretching of the utility model embodiment seat pocket frame is illustrated
Figure；
Attached drawing 9 is the upper backboard of the utility model embodiment seat pocket frame and the decomposition explosion figure of backboard；
Attached drawing 10 is the structural schematic diagram of the utility model embodiment vehicle frame；
Structural schematic diagram when attached drawing 11 is the utility model embodiment vehicle frame folding；
Attached drawing 12 is the structural schematic diagram one after the utility model embodiment vehicle frame folding（It is positive three-dimensional）；
Attached drawing 13 is the structural schematic diagram two after the utility model embodiment vehicle frame folding（The back side is three-dimensional）；
Attached drawing 14 is the decomposition explosion figure of the utility model embodiment vehicle frame push rod and second connecting rod；
Attached drawing 15 is the structural schematic diagram of the utility model embodiment（Seat pocket frame forward direction assembly）；
Attached drawing 16 is the structural schematic diagram after the utility model embodiment seat pocket frame is laid flat（Seat pocket frame forward direction assembly）；
Attached drawing 17 is structural schematic diagram when the utility model embodiment folds（Seat pocket frame forward direction assembly）；
Attached drawing 18 is the folded structural schematic diagram of the utility model embodiment（Seat pocket frame forward direction assembly）；
Attached drawing 19 is the structural schematic diagram of the utility model embodiment（Seat pocket frame reverse-fitting）；
Attached drawing 20 is the folded structural schematic diagram of the utility model embodiment seat pocket frame（Seat pocket frame reverse-fitting）；
Attached drawing 21 is structural schematic diagram when the utility model embodiment folds（Seat pocket frame reverse-fitting）；
Attached drawing 22 is the folded structural schematic diagram of the utility model embodiment（Seat pocket frame reverse-fitting）.
In the figures above：1. pocket frame；2. vehicle frame；3. plug connector；4. inserting groove；5. backboard；6. loading plate；7. cushion
Plate；8. handrail；9. pedal stroke；10. lock tongue；11. lockhole；12. unlock rod；13. spring；14. acting on convex block；Backrest on 15.
Plate；16. positioning wedged block；17. locating groove；18. clamping plate；19. fitting groove；20. guide groove；21. sliding shoe；22. push rod；23.
Front support rod；24. back stay；25. first connecting rod；26. second connecting rod；27. push rod upper section；28. push rod lower section；29. handrail；
30. front-wheel；31. rear-wheel；32. the first rotation point；33. the second rotation point；34. third rotates point；35. the 4th rotation point；In 36.
Strut；37. first crossbar；38. second crossbar；39. locking rod；40. lock groove；41. front rod；42. back link；43. the 5th
Rotation point；44. the 6th rotation point；45. the 7th rotation point；46. connector；47. eight revolution moves point；48. knob；49. handle.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and embodiments：
Embodiment：Referring to shown in attached drawing 1~22, a kind of pocket frame and the equal foldable baby cart of vehicle frame；Including that can roll over
Folded seat pocket frame 1 and folding vehicle frame 2, the two are positioned by plug connector 3 and 4 insert group of inserting groove, and the seat pocket frame 1 can be just
To or be oppositely positioned on the vehicle frame 2.Wherein,
As shown in figs. 1 to 6, the seat pocket frame 1 includes backboard 5, loading plate 6, seating pad 7, handrail 8 and pedal stroke
9；
The rotation of loading plate 6 is connected in the bottom front of the backboard 5, and is had angle with 5 shape of backboard, the folder
The adjustable angle at angle.
The rotation of seating pad 7 is connected in the bottom front of the backboard 5, coaxial with the loading plate 6, is had downward
It opens, two states of upward folding, and in the on-state, the lower surface of the seating pad 7 fits in the loading plate 6
Upper surface；And under folding state, backboard 5 described in the upper surface infinite approach of the seating pad 7.It is described under opening state
Seating pad 7 reaches locking by a locking mechanism and the loading plate 6.
The lower rotation of the handrail 8 is connected in the front end of the seating pad 7, have open up, downward folding two
A state, and handrail 8 is linked with the locking mechanism, constitutes when 8 downward folding of handrail, and bottom will unlock
The locking mechanism, and then unlock the seating pad 7 and the loading plate 6.
The rear end thereof of the pedal stroke 9 is connected in the front end of the seating pad 7, constitute pedal stroke 9 have stretch upwards,
Two states are bent downward, and the angle bent downward can be multistage adjustable.
Wherein, the locking mechanism includes lock tongue 10, lockhole 11 and unlock rod 12；The lock tongue 10 is slided along the longitudinal direction
It is dynamic to be set in the loading plate 6, and outwardly directed trend is maintained by a spring 13；The lockhole 11 is opened in the seat
In backing plate 7, the corresponding lock tongue 10 is arranged；When lock tongue 10 stretches out, the front end of lock tongue 10, which is protruded into the lockhole 11, reaches pair
The locking of seating pad 7 and loading plate 6.
The unlock rod 12 is slideably positioned in along the longitudinal direction in the lockhole 11 of the seating pad 7, the rear end of unlock rod 12
Front end with the lock tongue 10 is constituted against cooperation when 12 rearward displacement of unlock rod, is generated extruding to the front end of lock tongue 10, is compeled
The tension for making lock tongue 10 overcome the spring 13 bounces back backward, and then is detached from the lockhole 11, unlocks seating pad 7 and loading plate 6.
The front end of the unlock rod 12 corresponds to the bottom setting of the handrail 8, and the bottom of handrail 8 is downwardly convex to be equipped with one
Act on convex block 14；It constitutes when handrail 8 rotates clockwise forward（I.e. downward folding when）, which will be around handrail
8 rotation axis rotates backward clockwise, and then the front end of unlock rod 12 described in abutment action, forces 12 rearward displacement pair of unlock rod
The lock tongue 10 squeezes backward.
It as shown in figs. 7-9, further include backboard 15 on one, backboard 15 is slided in above-below direction with the backboard 5 on this
Dynamic cooperation, and pass through a multistage adjustment structure adjusting position relationship between the two（Adjust the opposite backboard 5 of upper backboard 15
Sliding distance）；
The multi-stage positioning mechanism is by a positioning wedged block 16 and multiple locating grooves 17 spaced along the vertical direction
Composition, by 18 relative positioning of a clamping plate on the upper backboard 15, each locating groove 17 is set the positioning wedged block 16
It is placed on the backboard 5, the snaps into position by the positioning wedged block 16 and locating groove 17 described in different height position is real
Upper-lower height position of the existing upper backboard 15 on the backboard 5 is adjusted.
The clamping plate 18 is parallel with the upper backboard 15 and interval is arranged, and is formed with a fitting groove 19, the dress between the two
Slot allocation 19 supplies 5 slidable fit of backboard；The upper end of the clamping plate 18 is fixedly arranged on the upper end of the upper backboard 15, clamping plate 18
Lower end it is outstanding set, and be convexly equipped with the positioning wedged block 16 towards each locating groove 17 on the backboard 5.By described
The outstanding design in the lower end of clamping plate 18, the positioning wedged block 16 can relatively easily be reached by the elastic deformation of clamping plate 18 to each fixed
Position card slot 17 snaps into position and release positioning so that upper backboard 15 with respect to backboard 5 position adjust it is more convenient.
Wherein, guide frame is equipped between the upper backboard 15 and the backboard 5, which includes guiding
Slot 20 and sliding shoe 21, the guide groove 20 are arranged along the vertical direction, and the sliding shoe 21 protrudes into guide groove 20 to be slided therewith
Cooperation.The guide groove 20 has a length, and then limits to the distance that slides up and down of upper backboard 15 and backboard 5.
The two sides of the upper backboard 15 fold forward, and coat to the two sides of the backboard 5；The guiding
Slot 20 and the sliding shoe 21 are respectively arranged on the side of the upper backboard 15 and the side of the backboard 5.
The upper backboard 15 is being adjusted at the upper-lower height position on the backboard 5, it can be by pulling one up and down
Handle 49 realizes that the handle 49 is fixedly arranged on the back of the upper backboard.
As shown in Figure 10~13, the vehicle frame 2 includes push rod 22, front support rod 23, back stay 24, first connecting rod 25 and the
Two connecting rods 26, this five rod pieces are arranged in pairs in the left and right sides of vehicle frame 2；The push rod 22 by expansion fit push rod upper section
27 and the push rod lower section 28 composition.
Wherein, the push rod upper section 27 upwardly extends, and passes through a horizontally disposed handrail 29 for the upper of two push rods 22
End is connected with, and forms a push-rod frame, is held for user；The lower end of each front support rod 23 is rotatably connected to a front-wheel 30, each institute
The lower end for stating back stay 24 is rotatably connected to a rear-wheel 31.
Wherein, the push rod lower section 28 and the first connecting rod 25, the second connecting rod 26 and the back stay 24
Upper section collectively forms a four-bar mechanism；
Under the opening state of vehicle frame 2, the connection status of the four-bar mechanism is as follows：
The rear end thereof of the first connecting rod 25 is connected to the push rod lower section 28, forms one first rotation point 32；First
The front end of connecting rod 25 and the upper end of the back stay 24 are rotatablely connected, and form one second rotation point 33, the second rotation point 33
In the front of the first rotation point 32；The front end of the second connecting rod 26 is rotationally connected with the upper section of the back stay 24, shape
At third rotation point 34, third rotation point 34 is located at the lower section of the second rotation point 33；The rear end of second connecting rod 26 with
The lower end of the push rod 22 is rotatablely connected, and forms one the 4th rotation point 35, and the 4th rotation point 35 is located at the first rotation point
32 lower section, and it is located at the rear of third rotation point 34；
The upper end of the front support rod 23 is rotationally connected with the second rotation point 33, total with the upper end of the back stay 24
Axis；It is connected between the second rotation point 33 of the two of the left and right sides by a horizontally disposed middle strut 36, to promote vehicle frame 2
Globality.It is connected between the front support rod 23 of the two of the left and right sides by a horizontally disposed first crossbar 37, forms fore-stock,
It is connected between two back stays 24 by a horizontally disposed second crossbar 38, forms after-poppet.It designs whereby, to be promoted
State the overall structural strength of vehicle frame 2.
It wherein, as shown in figure 14, further include a locking structure, which corresponds to 35 setting of the 4th rotation point,
Reach the locking to four-bar mechanism and then to the 35 progress locking of the 4th rotation point（It also can be by first, second
Or third rotates point locking to realize）, to keep the opening state of vehicle frame 2.
The locking structure includes the lock that push rod lower section 28 is set to along the length direction sliding extension of the push rod 22
Only bar 39, and the corresponding locking rod 39 are opened in a lock groove 40 of 26 rear end of second connecting rod；In 2 opening state of vehicle frame
Under, the second connecting rod 26 is located along the same line with the push rod 22, and four-bar mechanism is triangular in shape at this time, the locking rod
39 protrude into the lock groove 40, lock the 4th rotation point 35.When unlock, it is only necessary to pull up on push rod upper section 27
One knob 48, can force the locking rod 39 to remove the lock groove 40, unlock the 4th rotation point 35.
It wherein, further include a Tiebar structure, which is made of front rod 41 and the rotation connection of back link 42；It is described
The front end of front rod 41 is rotationally connected with the upper section of the front support rod 23, one the 5th rotation point 43 is formed, in the open shape of vehicle frame 2
Under state, the 5th rotation point 43 is located at the lower section of the second rotation point 33；The rear end thereof of the back link 42 is connected to institute
The leading portion of second connecting rod 26 is stated, one the 6th rotation point 44 is formed；The front end of back link 42 is rotationally connected with the front rod 41
Rear end forms one the 7th rotation point 45.
The left and right ends of the middle strut 36 are convexly equipped with a connection piece 46, the leading portion rotation of the back link 42 separately down
It is connected to the lower end of the connector 46, forms the dynamic point 47 of an eight revolution, under the opening state of vehicle frame 2, which moves point
47 are located at the rear of the 7th rotation point 45.
It is now as follows with regard to the opening of the vehicle frame 2, folding procedure declaration：
In the opening procedure of the vehicle frame 2, the push rod lower section 28 rotates backward around the 4th rotation point 35, described
First connecting rod 25 is rotated up around the second rotation point 33, and the second connecting rod 26 turns upwards around third rotation point 34
It is dynamic；The 6th rotation point 44 does the position far from the back stay 24 with the upward rotation of the second connecting rod 26 upwards and backward
It moves, while the 5th rotation point 43 does forward the displacement far from the back stay 24；The front support rod 23 is due to the described 5th
It rotates the anterior displacement of point 43 and is pushed, is rotated up around the second rotation point 33, and then fully open vehicle frame 2；
In the folding process of the vehicle frame 2, the push rod lower section 28 rotates forward around the 4th rotation point 35, described
First connecting rod 25 is rotated down around the second rotation point 33, and the second connecting rod 26 turns downwards around third rotation point 34
It is dynamic；The 6th rotation point 44 downwards and is done close to the position of the back stay 24 forward with the downward rotation of the second connecting rod 26
It moves, while the 5th rotation point 43 does the displacement close to the back stay 24 backward；The front support rod 23 is due to the described 5th
It rotates the rearward displacement of point 43 and is pulled, rotated down around the second rotation point 33, and then folding stand 2 completely.
Compared to existing technologies, when the utility model may be implemented present pocket frame insert group and be positioned on vehicle frame, both
It can effectively fold, because storing respectively without removing seat pocket frame, while the amplitude that the two folds is larger, can effectively meet
Reduce the requirement of storage occupied space；Wherein seat pocket frame can not only fold, but also the small volume under folded state, in addition beat
Stability under open state is preferable；In addition the smart structural design of vehicle frame, operation when folding and opening is coherent and smooth, folds
Small volume afterwards.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention.
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it
It is interior.
Claims (10)
1. a kind of pocket frame and the equal foldable baby cart of vehicle frame；It is characterized in that：
Including folding seat pocket frame and folding vehicle frame, the positioning of the two insert group；Wherein,
The seat pocket frame includes backboard, loading plate, seating pad and handrail；
The loading plate is connected in the bottom front of the backboard, and is had angle with backboard shape；
The seating pad rotation is connected in the bottom front of the backboard, has two opening, upward folding states downwards, and
And in the on-state, the lower surface of the seating pad fits in the upper surface of the loading plate；Wherein, the seating pad passes through
One locking mechanism and the loading plate reach locking；
The lower rotation of the handrail is connected in the front end of the seating pad, have open up, two states of downward folding,
And handrail is linked with the locking mechanism, constitutes when the downward folding of handrail, bottom will unlock the locking
Mechanism, and then unlock the seating pad and the loading plate；
The vehicle frame includes push rod, front support rod, back stay, first connecting rod and second connecting rod, this five rod pieces are arranged in pairs
In the left and right sides of vehicle frame；
Wherein, the upper section of each push rod upwardly extends, and holds for user；The lower end of each front support rod is rotatably connected to one
The lower end of front-wheel, each back stay is rotatably connected to a rear-wheel；
Wherein, the common structure of upper section of the lower section of the push rod and the first connecting rod, the second connecting rod and the back stay
At a four-bar mechanism；
Under the opening state of vehicle frame, the connection status of the four-bar mechanism is as follows：
The rear end thereof of the first connecting rod is connected to the lower section of the push rod, forms one first rotation point；Before first connecting rod
End and the upper end of the back stay are rotatablely connected, and form one second rotation point, which is located at the first rotation point
Front；The front end of the second connecting rod is rotationally connected with the upper section of the back stay, forms a third and rotates point, which turns
Dynamic point is located at the lower section of the second rotation point；The lower end of the rear end of second connecting rod and the push rod is rotatablely connected, and forms one the
4 rotation points, the 4th rotation point are located at the lower section of the first rotation point, and are located at the rear of third rotation point；
The upper end of the front support rod is rotationally connected with the second rotation point；
It wherein, further include a locking structure, which at least corresponds to the first rotation point, the second rotation point, institute
Third rotation point, the one of them setting in the 4th rotation point are stated, is passed through at least the one of four-bar mechanism rotation
Point carries out locking and then reaches the locking to four-bar mechanism；
Wherein, further include a Tiebar structure, act on the second connecting rod and the front support rod；The front end of the Tiebar structure rotates
It is connected to the upper section of the front support rod, forms one the 5th rotation point, the 5th rotation point is located at the lower section of the second rotation point；
The rear end thereof of the Tiebar structure is connected to the leading portion of the second connecting rod, forms one the 6th rotation point.
2. stroller according to claim 1, it is characterised in that：The loading plate rotation is connected in the backboard
Bottom front, and the adjustable angle of loading plate and the angle of backboard formation.
3. stroller according to claim 1, it is characterised in that：The locking mechanism includes lock tongue, lockhole and solution
Locking bar；The lock tongue is slideably positioned in along the longitudinal direction in the loading plate, and maintains outwardly directed trend by a spring；
The lockhole is opened in the seating pad, the corresponding lock tongue setting；When lock tongue stretches out, the lock is protruded into the front end of lock tongue
Reach the locking to seating pad and loading plate in hole；
The unlock rod is slideably positioned in along the longitudinal direction in the lockhole of the seating pad, the rear end of unlock rod and the lock tongue
Front end is constituted against cooperation when unlock rod rearward displacement, generates extruding to the front end of lock tongue and lock tongue is forced to overcome the spring
Tension bounce back backward, and then be detached from the lockhole, unlock seating pad and loading plate；
The front end of the unlock rod corresponds to the bottom setting of the handrail, and the bottom of handrail is downwardly convex, and to be equipped with an effect convex
Block；It constitutes when handrail rotates clockwise forward, which rotates backward clockwise around the rotation axis of handrail, in turn
The front end of unlock rod described in abutment action forces unlock rod rearward displacement to squeeze the lock tongue backward.
4. stroller according to claim 1, it is characterised in that：It further include backboard on one, backboard and institute on this
It states backboard to be slidably matched in above-below direction, and passes through a multi-stage positioning mechanism adjusting position relationship between the two；The multistage
Positioning mechanism is made of a positioning wedged block and multiple locating grooves being arranged along the vertical direction, and the two is respectively arranged at described lean on
It is real by the snaps into position of locating groove described in the positioning wedged block and different height position on backboard and the upper backboard
Upper-lower height position of the existing upper backboard on the backboard is adjusted.
5. stroller according to claim 4, it is characterised in that：The positioning wedged block is set to the upper backboard
On, each locating groove is set on the backboard；Be installed with a clamping plate on the upper backboard, the clamping plate and it is described on
Backboard is parallel and interval is arranged, and is formed with a fitting groove between the two, which supplies the backboard slidable fit；The folder
The upper end of plate is fixedly arranged on the upper end of the upper backboard, and the lower end of clamping plate is outstanding to be set, and towards each described fixed on the backboard
Position card slot is convexly equipped with the positioning wedged block.
6. stroller according to claim 4, it is characterised in that：It is set between the upper backboard and the backboard
There is guide frame, which includes guide groove and sliding shoe, and the guide groove is arranged along the vertical direction, and the sliding shoe is stretched
Enter in guide groove and is slidably matched therewith；The guide groove and the sliding shoe are respectively arranged at the upper backboard and the backrest
On plate.
7. stroller according to claim 1, it is characterised in that：The push rod by expansion fit push rod upper section and
The push rod lower section composition.
8. stroller according to claim 1, it is characterised in that：Lead between the second rotation point of the two of the left and right sides
Cross a horizontally disposed middle strut connection；Connected between the front support rod of the two of the left and right sides by a horizontally disposed first crossbar
It connects, forms fore-stock, pass through a horizontally disposed second crossbar connection, formation after-poppet between two back stays.
9. stroller according to claim 8, it is characterised in that：The left and right ends projection separately down of the middle strut
There is a connection piece, the Tiebar structure is made of front rod and back link rotation connection；The rear end of the back link is described
The rear end of Tiebar structure is rotationally connected with the 6th rotation point；After the front end of back link is rotationally connected with the front rod
End forms one the 7th rotation point；The front end of front rod is the front end of the Tiebar structure, is rotationally connected with the 5th rotation
Point；Also, the leading portion of the back link is rotationally connected with the lower end of the connector, forms an eight revolution and moves point, in vehicle frame
Under opening state, the dynamic point of the eight revolution is located at the rear of the 7th rotation point.
10. stroller according to claim 1, it is characterised in that：The locking structure corresponds to the 4th rotation point
Setting is set to a locking rod of push rod lower section, and the corresponding locking including the length direction sliding extension along the push rod
Bar is opened in a lock groove of the second connecting rod rear end；Under vehicle frame opening state, the second connecting rod and the push rod position
In on same straight line, the locking rod protrudes into the lock groove, locks the 4th rotation point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721872119.3U CN208119228U (en) | 2017-12-28 | 2017-12-28 | A kind of pocket frame and the equal foldable baby cart of vehicle frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721872119.3U CN208119228U (en) | 2017-12-28 | 2017-12-28 | A kind of pocket frame and the equal foldable baby cart of vehicle frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208119228U true CN208119228U (en) | 2018-11-20 |
Family
ID=64209588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721872119.3U Withdrawn - After Issue CN208119228U (en) | 2017-12-28 | 2017-12-28 | A kind of pocket frame and the equal foldable baby cart of vehicle frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208119228U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985377A (en) * | 2017-12-28 | 2018-05-04 | 苏州昂锐儿童用品有限公司 | A kind of equal foldable baby cart of seat pocket frame and vehicle frame |
-
2017
- 2017-12-28 CN CN201721872119.3U patent/CN208119228U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985377A (en) * | 2017-12-28 | 2018-05-04 | 苏州昂锐儿童用品有限公司 | A kind of equal foldable baby cart of seat pocket frame and vehicle frame |
| CN107985377B (en) * | 2017-12-28 | 2023-10-13 | 苏州昂锐儿童用品有限公司 | Baby stroller with seat pocket frame and frame both foldable |
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