CN220682465U - Perambulator linkage beta structure and perambulator - Google Patents
Perambulator linkage beta structure and perambulator Download PDFInfo
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- CN220682465U CN220682465U CN202322390050.2U CN202322390050U CN220682465U CN 220682465 U CN220682465 U CN 220682465U CN 202322390050 U CN202322390050 U CN 202322390050U CN 220682465 U CN220682465 U CN 220682465U
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- joint mechanism
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- rear joint
- stroller
- folding
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- 230000007246 mechanism Effects 0.000 claims abstract description 173
- 230000005540 biological transmission Effects 0.000 claims description 18
- 206010061258 Joint lock Diseases 0.000 claims description 14
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000004641 brain development Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
Abstract
The utility model discloses a baby carriage linkage folding structure and a baby carriage, and particularly relates to the technical field of baby carriages. The folding of the handle joint mechanism is realized by rotating the handle joint mechanism, and the folding of the rear joint mechanism and the base mechanism is realized, so that the aim of linkage folding is fulfilled, the cushion component of the baby carriage is arranged on the base mechanism, the handle component is arranged on the handle joint mechanism, the rear wheel component is arranged on the rear joint mechanism, and the front wheel component is arranged on the front joint mechanism, and the aim of linkage folding of all components of the baby carriage can be fulfilled.
Description
Technical Field
The utility model relates to the technical field of strollers, in particular to a linkage folding structure of a stroller and the stroller.
Background
The baby carriage is a tool carriage designed for facilitating outdoor activities of babies, and has various vehicle types, and generally, the baby carriage is played by children of one to two years old, and the toy carriage with wheels is played by children of more than two years old, so that the baby carriage brings certain benefits to the intelligence development of the children, and the brain development of the children is increased.
Chinese patent (CN 209336792U) discloses a stroller seat structure and a stroller, in which an upper seat stay is pushed forward and pushed down when folded, an upper end of a front seat stay and an upper end of a rear seat stay are both moved to a rear side of a seat chassis, and an upper end of the upper seat stay is moved to a front side of the seat chassis to complete folding.
The baby carriage of the above patent can be folded, but the integration level of the folding joint is low, the folding structure is exposed outside, the baby carriage is easy to clamp to hands during folding, and the whole baby carriage is not attractive.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides a linkage folding structure of a baby carriage, which comprises a handle joint mechanism, wherein a central fixing rod is arranged in the middle of the handle joint mechanism, both sides of the handle joint mechanism are respectively provided with a rear joint mechanism and a front joint mechanism, the front joint mechanism is arranged between the handle joint mechanism and the rear joint mechanism, the rear joint mechanism and the front joint mechanism are respectively connected to both sides of the handle joint mechanism in a rotating way through the central fixing rod, and a base mechanism is hinged above the front joint mechanism; the handle joint mechanism is internally provided with a locking part, the locking part is used for locking the handle joint mechanism, the rear joint mechanism and the front joint mechanism, a first transmission part is arranged between the handle joint mechanism and the rear joint mechanism, and a second transmission part is arranged between the rear joint mechanism and the base mechanism.
Preferably, the locking part comprises a locking sliding block which is arranged in the handle joint mechanism in a sliding way, an unlocking pin is further arranged in the handle joint mechanism, an inclined plane is arranged on the upper side face of the handle joint mechanism, the bottom end of the unlocking pin is in contact with the inclined plane, a positioning pin is arranged at one end of the locking sliding block, and central fixing grooves are formed in the rear joint mechanism and the front joint mechanism, and when the positioning pin is clamped in the central fixing grooves, the handle joint mechanism, the rear joint mechanism and the front joint mechanism are locked.
Preferably, the first transmission part comprises a transmission piece, two ends of the transmission piece are respectively fixedly provided with a rear joint lock rod and a fixed pin, the rear joint lock rod is inserted on the rear joint mechanism, the inside of the front joint mechanism is provided with a fixed pin hole, and the fixed pin is inserted in the fixed pin hole.
Preferably, the second transmission part comprises a driven gear and a folding driving piece, the bottom end of the folding driving piece is rotationally connected with an eccentric point of the folding driving piece, one end of the folding driving piece, which is far away from the driven gear, is rotationally connected with the base mechanism, and a driving side tooth is arranged at the position of the rear joint mechanism, which corresponds to the driven gear, and the driven gear is meshed with the driving side tooth.
Preferably, the rear joint mechanism and the front joint mechanism are respectively provided with a rear joint lock rod groove, one side of each rear joint lock rod groove is provided with a lock rod groove, the rear joint lock rod slides in the lock rod groove, and the positioning pin slides along the inside of each rear joint lock rod groove.
Preferably, the inside of the rear joint mechanism and the front joint mechanism is also provided with a handle linkage rod groove, one side of the middle part of the handle joint mechanism is also provided with a handle linkage rod, and the handle linkage rod rotates along the inside of the handle linkage rod groove.
Preferably, the middle of the linkage piece is also provided with a first arc-shaped groove and a second arc-shaped groove, the second arc-shaped groove is positioned on one side of the first arc-shaped groove, and the handle linkage rod and the center fixing rod slide along the inner parts of the first arc-shaped groove and the second arc-shaped groove respectively.
The utility model also provides a baby carriage, which comprises the baby carriage linkage folding structure, a cushion component, a handle component, a rear wheel component and a front wheel component, wherein the cushion component is arranged on the base mechanism, the handle component is connected with the handle joint mechanisms, the rear wheel component is arranged on the two rear joint mechanisms, and the front wheel component is arranged on the two front joint mechanisms.
Preferably, the handle assembly is a telescoping rod member and is used to push the unlocking pin to slide toward one end of the locking slide.
The utility model has the technical effects and advantages that:
1. the folding of the handle joint mechanism is realized by rotating the handle joint mechanism, and the folding of the rear joint mechanism and the base mechanism is realized, so that the aim of linkage folding is fulfilled, the cushion component of the baby carriage is arranged on the base mechanism, the handle component is arranged on the handle joint mechanism, the rear wheel component is arranged on the rear joint mechanism, and the front wheel component is arranged on the front joint mechanism, and the aim of linkage folding of all components of the baby carriage can be fulfilled.
2. The linkage folding structure has high integration level, does not have excessive structures exposed outside, and is not easy to clamp hands during folding.
3. In the utility model, the handle component is of a structure that the inner sleeve and the outer sleeve are sleeved together, and when the baby carriage is folded, the unlocking pin can be pushed by the inner sleeve to realize the purpose of unlocking.
Drawings
Fig. 1 is a schematic view of a stroller in an unfolded state.
Fig. 2 is a schematic view of a stroller in a folded state.
Fig. 3 is a schematic diagram of the overall structure of the first embodiment.
Fig. 4 is a schematic overall structure of the first embodiment.
Fig. 5 is a schematic cross-sectional view of the handle joint mechanism.
Fig. 6 is a partial schematic view of fig. 5.
Fig. 7 is a schematic structural diagram of a transmission component according to the first embodiment.
Fig. 8 is a schematic view showing an installation of a transmission member according to the first embodiment.
Fig. 9 is an exploded view of the first embodiment.
Fig. 10 is an exploded view of the first embodiment.
Fig. 11 is a schematic view of the structure of the anterior joint mechanism.
Fig. 12 is a schematic view of a folded state of the linkage folding structure.
Fig. 13 is an exploded view of a folded state of the ganged folding structure.
Fig. 14 is a second exploded view of the folded state of the ganged folding structure.
The reference numerals are: 1. a seat cushion assembly; 11. a handle joint mechanism; 111. a locking slide; 112. unlocking the lock pin; 113. a positioning pin; 114. a connecting piece; 1141. an arc-shaped groove I; 1142. an arc-shaped groove II; 115. a rear joint lock lever; 116. a handle lever; 117. a center fixed rod; 118. a fixing pin; 12. a rear joint mechanism; 121. a driving edge tooth; 13. a front joint mechanism; 131. a driven gear; 132. the driving piece is retracted; 133. a rear articulation locking bar slot; 1331. a lock lever groove; 134. a handle linkage rod groove; 135. a center fixing groove; 136. a fixing pin hole; 14. a base mechanism; 2. a handle assembly; 3. a rear wheel assembly; 4. a front wheel assembly.
Detailed Description
Example 1
Referring to fig. 1-14, a linkage folding structure of a baby carriage comprises a handle joint mechanism 11, a central fixing rod 117 is arranged in the middle of the handle joint mechanism 11, a rear joint mechanism 12 and a front joint mechanism 13 are arranged on two sides of the handle joint mechanism 11, the front joint mechanism 13 is arranged between the handle joint mechanism 11 and the rear joint mechanism 12, the rear joint mechanism 12 and the front joint mechanism 13 are both connected on two sides of the handle joint mechanism 11 in a rotating way through the central fixing rod 117, and a base mechanism 14 is hinged above the front joint mechanism 13; the handle joint mechanism 11 is internally provided with a locking part for locking the handle joint mechanism 11, the rear joint mechanism 12 and the front joint mechanism 13, a transmission part I is arranged between the handle joint mechanism 11 and the rear joint mechanism 12, and a transmission part II is arranged between the rear joint mechanism 12 and the base mechanism 14.
Further, the locking component comprises a locking sliding block 111 slidably arranged in the handle joint mechanism 11, a release pin 112 is further arranged in the handle joint mechanism 11, an inclined plane is arranged on the upper side face of the handle joint mechanism 11, the bottom end of the release pin 112 is in contact with the inclined plane, a positioning pin 113 is arranged at one end of the locking sliding block 111, central fixing grooves 135 are formed in the rear joint mechanism 12 and the front joint mechanism 13, and when the positioning pin 113 is clamped into the central fixing grooves 135, the handle joint mechanism 11, the rear joint mechanism 12 and the front joint mechanism 13 are locked.
It should be noted that, as shown in fig. 6, a slide lock groove is provided on the upper side of the lock slide 111, the contact position between the slide lock groove and the unlocking pin 112 is an inclined plane, the unlocking pin 112 is inserted into or slides out of the slide lock groove by abutting against the inclined plane, one end of the lock slide 111 is connected with a spring, and when the unlocking pin 112 is pressed to be inserted into the slide lock groove, the unlocking pin 112 pushes the lock slide 111 to press the spring, so as to drive the positioning pin 113 to move out from the central fixing groove 135, thereby unlocking the handle joint mechanism 11, the rear joint mechanism 12 and the front joint mechanism 13.
In this embodiment, the first transmission component includes a linking piece 114, two ends of the linking piece 114 are respectively and fixedly provided with a rear joint locking rod 115 and a fixing pin 118, the rear joint locking rod 115 is inserted on the rear joint mechanism 12, the front joint mechanism 13 is internally provided with a fixing pin hole 136, and the fixing pin 118 is inserted in the fixing pin hole 136.
In this embodiment, the second transmission component includes a driven gear 131 and a folding driving piece 132, the bottom end of the folding driving piece 132 is rotatably connected with an eccentric point of the folding driving piece 132, one end of the folding driving piece 132, which is far away from the driven gear 131, is rotatably connected with the base mechanism 14, the position of the rear joint mechanism 12 corresponding to the driven gear 131 is provided with a driving edge tooth 121, and the driven gear 131 is meshed with the driving edge tooth 121.
In the present embodiment, the rear articulation mechanism 12 and the front articulation mechanism 13 are each provided with a rear articulation locking bar slot 133, one side of the rear articulation locking bar slot 133 is provided with a locking bar slot 1331, the rear articulation locking bar 115 slides inside the locking bar slot 1331, and the positioning pin 113 slides along the inside of the rear articulation locking bar slot 133.
In this embodiment, the rear joint mechanism 12 and the front joint mechanism 13 are further provided with a handle link groove 134, a handle link 116 is further mounted on one side of the middle part of the handle joint mechanism 11, and the handle link 116 rotates along the inside of the handle link groove 134.
In this embodiment, the middle of the linking piece 114 is further provided with a first arc-shaped slot 1141 and a second arc-shaped slot 1142, the second arc-shaped slot 1142 is located at one side of the first arc-shaped slot 1141, and the handle linking rod 116 and the center fixing rod 117 slide along the inner portions of the first arc-shaped slot 1141 and the second arc-shaped slot 1142, respectively.
The specific implementation scene is as follows: in the locked state, the positioning pin 113 is located inside the center fixing groove 135, and at this time, if the handle assembly 2 is rotated, the handle assembly 2 cannot be rotated with respect to the front joint mechanism 13 and the rear joint mechanism 12 due to the restraining action of the positioning pin 113. When folding is required, as shown in fig. 6, the unlocking pin 112 can push the inclined surface on the locking slide block 111, so that the locking slide block 111 moves obliquely downwards, and the locking slide block 111 drives the positioning pin 113 to move from the central fixing groove 135 to the inside of the rear joint locking bar groove 133. Then, the handle joint mechanism 11 is turned, and the previous joint mechanism 13 is referred to, at this time, the positioning pin 113 slides in the rear joint lock lever groove 133, the center fixing lever 117 rotates circumferentially around the handle linkage lever 116, and then the center fixing lever 117 can drive the linkage piece 114 to rotate, the center fixing lever 117 slides in the arc-shaped groove two 1142, and the handle linkage lever 116 slides in the arc-shaped groove one 1141. The connecting piece 114 drives the rear joint mechanism 12 to rotate below the front joint mechanism 13 through the rear joint locking rod 115, so that the rear joint mechanism 12 is folded. In the foregoing process, when the rear joint mechanism 12 rotates, the driven gear 131 may be driven to rotate, and the driven gear 131 pulls the folding driving piece 132 to move downward, so that the folding driving piece 132 swings towards the rear side of the handle joint mechanism 11, and the folding driving piece 132 may drive the base mechanism 14 to swing towards the front joint mechanism 13. I.e. folding of the base unit 14 is achieved. That is, by rotating the handle joint mechanism 11, not only folding of the handle joint mechanism 11 but also folding of the rear joint mechanism 12 and the base mechanism 14 can be achieved, thereby achieving the purpose of linkage folding, the seat cushion assembly 1 of the stroller is mounted on the base mechanism 14, the handle assembly 2 is mounted on the handle joint mechanism 11, the rear wheel assembly 3 is mounted on the rear joint mechanism 12, and the front wheel assembly 4 is mounted on the front joint mechanism 13, thereby achieving the purpose of linkage folding of the respective assemblies of the stroller.
It should be noted that, in the above-mentioned scheme, the rotational folding angle of the handle joint mechanism 11 is larger than the rotational folding angle of the rear joint mechanism 12, specifically, the rotational folding angle is realized by the connecting piece 114.
Example two
Referring to fig. 1 to 14, a stroller comprises a stroller linkage folding structure, and further comprises a cushion assembly 1, a handle assembly 2, a rear wheel assembly 3 and a front wheel assembly 4, wherein the cushion assembly 1 is mounted on a base mechanism 14, the handle assembly 2 is connected with a handle joint mechanism 11, the rear wheel assembly 3 is mounted on two rear joint mechanisms 12, and the front wheel assembly 4 is mounted on two front joint mechanisms 13.
Further, the handle assembly 2 is a telescopic rod member, and the handle assembly 2 is used to push the unlocking pin 112 to slide toward one end of the locking slider 111.
The specific implementation scene is as follows: the handle assembly 2 is of a structure that inner and outer sleeves are sleeved together, an outer sleeve is arranged on the handle joint mechanism 11, and the inner sleeve can be telescopic relative to the outer sleeve. Unlocking may be accomplished by pushing the unlocking pin 112 through an internal sleeve when the stroller is folded.
Claims (9)
1. The utility model provides a perambulator linkage beta structure which characterized in that: the novel handle comprises a handle joint mechanism (11), wherein a central fixing rod (117) is arranged in the middle of the handle joint mechanism (11), a rear joint mechanism (12) and a front joint mechanism (13) are arranged on two sides of the handle joint mechanism (11), the front joint mechanism (13) is arranged between the handle joint mechanism (11) and the rear joint mechanism (12), the rear joint mechanism (12) and the front joint mechanism (13) are both connected to two sides of the handle joint mechanism (11) through the central fixing rod (117) in a rotating mode, and a base mechanism (14) is hinged above the front joint mechanism (13);
the novel handle is characterized in that a locking part is arranged in the handle joint mechanism (11) and used for locking the handle joint mechanism (11), the rear joint mechanism (12) and the front joint mechanism (13), a transmission part I is arranged between the handle joint mechanism (11) and the rear joint mechanism (12), and a transmission part II is arranged between the rear joint mechanism (12) and the base mechanism (14).
2. The stroller linked fold structure of claim 1, wherein: the locking part comprises a locking sliding block (111) which is arranged inside a handle joint mechanism (11) in a sliding manner, an unlocking pin (112) is further arranged inside the handle joint mechanism (11), an inclined surface is arranged on the upper side surface of the handle joint mechanism (11), the bottom end of the unlocking pin (112) is in contact with the inclined surface, a positioning pin (113) is arranged at one end of the locking sliding block (111), central fixing grooves (135) are formed in the rear joint mechanism (12) and the front joint mechanism (13), and when the positioning pin (113) is clamped into the central fixing grooves (135), the handle joint mechanism (11), the rear joint mechanism (12) and the front joint mechanism (13) are locked.
3. The stroller linked fold structure according to claim 2, wherein: the first transmission part comprises a transmission piece (114), a rear joint lock rod (115) and a fixing pin (118) are respectively and fixedly arranged at two ends of the transmission piece (114), the rear joint lock rod (115) is inserted on the rear joint mechanism (12), a fixing pin hole (136) is formed in the front joint mechanism (13), and the fixing pin (118) is inserted in the fixing pin hole (136).
4. A stroller-linked fold structure according to claim 3, wherein: the second transmission part comprises a driven gear (131) and a folding driving piece (132), the bottom end of the folding driving piece (132) is rotationally connected with an eccentric point of the folding driving piece (132), one end, far away from the driven gear (131), of the folding driving piece (132) is rotationally connected with the base mechanism (14), a driving side tooth (121) is arranged at the position, corresponding to the driven gear (131), of the rear joint mechanism (12), and the driven gear (131) is meshed with the driving side tooth (121).
5. The stroller linked fold structure of claim 4, wherein: rear joint lock rod grooves (133) are formed in the rear joint mechanism (12) and the front joint mechanism (13), a lock rod groove (1331) is formed in one side of each rear joint lock rod groove (133), each rear joint lock rod (115) slides in each lock rod groove (1331), and the locating pin (113) slides along the inside of each rear joint lock rod groove (133).
6. The stroller linked fold structure of claim 5, wherein: the inside of back joint mechanism (12) and preceding joint mechanism (13) still has seted up handle interlock pole groove (134), handle interlock pole (116) are still installed to one side in the middle part of handle joint mechanism (11), and handle interlock pole (116) rotate along the inside in handle interlock pole groove (134).
7. The stroller linked fold structure of claim 6, wherein: an arc-shaped groove I (1141) and an arc-shaped groove II (1142) are further formed in the middle of the linkage piece (114), the arc-shaped groove II (1142) is located on one side of the arc-shaped groove I (1141), and the handle linkage rod (116) and the center fixing rod (117) slide along the inner parts of the arc-shaped groove I (1141) and the arc-shaped groove II (1142) respectively.
8. A stroller, characterized in that: the baby carriage linkage folding structure comprises a baby carriage linkage folding structure as claimed in any one of claims 1 to 7, and further comprises a cushion assembly (1), a handle assembly (2), a rear wheel assembly (3) and a front wheel assembly (4), wherein the cushion assembly (1) is installed on a base mechanism (14), the handle assembly (2) is connected with a handle joint mechanism (11), the rear wheel assembly (3) is installed on two rear joint mechanisms (12), and the front wheel assembly (4) is installed on two front joint mechanisms (13).
9. A stroller in accordance with claim 8, wherein: the handle assembly (2) is a telescopic rod component, and the handle assembly (2) is used for pushing the unlocking pin (112) to slide towards one end of the locking sliding block (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322390050.2U CN220682465U (en) | 2023-09-04 | 2023-09-04 | Perambulator linkage beta structure and perambulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322390050.2U CN220682465U (en) | 2023-09-04 | 2023-09-04 | Perambulator linkage beta structure and perambulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220682465U true CN220682465U (en) | 2024-03-29 |
Family
ID=90377352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322390050.2U Active CN220682465U (en) | 2023-09-04 | 2023-09-04 | Perambulator linkage beta structure and perambulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220682465U (en) |
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2023
- 2023-09-04 CN CN202322390050.2U patent/CN220682465U/en active Active
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