CN216611330U - Folding joint mechanism of stroller and stroller with folding joint mechanism - Google Patents
Folding joint mechanism of stroller and stroller with folding joint mechanism Download PDFInfo
- Publication number
- CN216611330U CN216611330U CN202123174636.2U CN202123174636U CN216611330U CN 216611330 U CN216611330 U CN 216611330U CN 202123174636 U CN202123174636 U CN 202123174636U CN 216611330 U CN216611330 U CN 216611330U
- Authority
- CN
- China
- Prior art keywords
- connecting block
- joint
- joint connecting
- gear
- rod
- 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 title claims description 28
- 230000000712 assembly Effects 0.000 claims abstract description 15
- 238000000429 assembly Methods 0.000 claims abstract description 15
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
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
- B62B7/062—Coupling unit between front wheels, rear wheels and handle
-
- 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
- B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
-
- 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
- B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
- B62B7/083—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis the wheel axes being moved from each other during folding
-
- 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
- B62B7/14—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor with detachable or rotatably-mounted body
-
- 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
- B62B7/14—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor with detachable or rotatably-mounted body
- B62B7/142—Means for securing the body to the frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
- B62B9/10—Perambulator bodies; Equipment therefor
- B62B9/102—Perambulator bodies; Equipment therefor characterized by details of the seat
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The utility model relates to a stroller joint structure and a stroller with the same, wherein the stroller folding joint structure comprises a hollow connecting rod, a sliding unlocking assembly and two groups of joint assemblies, the stroller folding joint structure is simple in structure, a connecting plate is driven to rotate only through the rotation of the hollow connecting rod, a first gear and a second gear are driven by a driving end on the connecting plate to axially move to unlock a first joint connecting block, a second joint connecting block and a third joint connecting block, the first joint connecting block and the second joint connecting block are locked and unlocked through simple and stable gears, the structure is stable, and the operation is smooth.
Description
Technical Field
The utility model relates to a folding joint mechanism of a stroller and the stroller with the folding joint mechanism, and belongs to the technical field of infant products.
Background
The baby carriage is a common baby transportation tool in life, and the baby carriage can also lighten the burden of a father mother by using the baby carriage, and besides the basic requirements of stability and safety of the baby carriage pursued by a user, the characteristics of small volume, folding and the like of the baby carriage are more and more emphasized.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a folding joint mechanism of a stroller and the stroller with the folding joint mechanism, which have the advantages of simple structure, convenience in operation, difficulty in damage and convenience in folding.
The technical scheme for solving the technical problems is as follows: a folding joint mechanism of a trolley comprises a hollow connecting rod, a sliding unlocking assembly and two groups of joint assemblies, wherein each group of joint assemblies comprises a first joint connecting block, a second joint connecting block and a third joint connecting block which are sequentially arranged along the axial direction of the sliding unlocking assembly, the first joint connecting block and the second joint connecting block can rotate relative to each other, the sliding unlocking assembly can be slidably arranged in the hollow connecting rod, and at least one end of the sliding unlocking assembly can be locked and positioned with the first joint connecting block;
the first gear is axially movably assembled between the first joint connecting block and the second joint connecting block and can lock the first joint connecting block and the second joint connecting block; the second gear is axially movably assembled between the second joint connecting block and the third joint connecting block, an elastic part is arranged between the second gear and the third joint connecting block, and the elastic part drives the second gear to be close to the third joint connecting block and locks the second joint connecting block and the third joint connecting block through the second gear;
a first ejector pin is fixed on one side face, close to the second joint connecting block, of the first gear, and the first ejector pin can penetrate through the second joint connecting block to abut against the second gear so as to drive the second gear to compress the elastic piece and unlock the second joint connecting block and the third joint connecting block;
the positions, close to the two ends, of the hollow connecting rod are both sleeved with inherent connecting plates, and the connecting plates are provided with driving parts which penetrate through the first joint connecting block and can sequentially drive the first gear and the second gear to axially move to unlock the first joint connecting block, the second joint connecting block and the third joint connecting block; the first joint connecting block, the second joint connecting block and the third joint connecting block are riveted through pins.
The beneficial effects of the utility model are: the folding joint mechanism of the trolley is simple in structure, the connecting plate is driven to rotate only through rotation of the hollow connecting rod, the first gear and the second gear are driven to axially move (no trend of circumferential rotation exists) through the driving end on the connecting plate to unlock the first joint connecting block, the second joint connecting block and the third joint connecting block, the first joint connecting block and the second joint connecting block are connected, and the second joint connecting block and the third joint connecting block are locked and unlocked through the gears which are simple and stable in structure, stable in structure and smooth to operate.
On the basis of the technical scheme, the utility model can be further improved as follows.
The utility model further discloses a limiting gear, wherein an assembly hole is formed in the first connector connecting block, and the limiting gear is fixedly arranged on the inner wall of the assembly hole; one side of the joint connecting block III, which is close to the joint connecting block II, is fixedly connected with a hollow connecting column arranged along the direction of the central axis, the elastic piece and the second gear are sleeved on the hollow connecting column, and the hollow connecting column penetrates through the joint connecting block II to be clamped with the inner teeth of the limiting gears so as to lock the joint connecting block I and the joint connecting block III.
The utility model relates to a folding joint mechanism of a trolley, which is characterized in that a driving part comprises an arc-shaped inclined plane block connected to a connecting plate and an arc-shaped inclined plane guide chute arranged on one side of a first gear close to a joint connecting block, wherein the arc-shaped inclined plane block is in adaptive clamping connection with the arc-shaped inclined plane guide chute and can sequentially drive the first gear and a second gear to axially move along with the rotation of the connecting plate to unlock a first joint connecting block, a second joint connecting block and a third joint connecting block.
The utility model provides a folding joint mechanism of a trolley, and further comprises an unlocking slide block, a reset piece, an unlocking button, a limiting pipeline and a handle, wherein the unlocking slide block is connected in a hollow connecting rod in a sliding manner; the reset piece has a trend of driving the unlocking slide block to move to one side of the joint connecting block; the unlocking button is connected to the unlocking slide block; the limiting pipeline is sleeved in a sliding limiting hole which corresponds to the unlocking button on the hollow connecting rod and moves axially on the hollow connecting rod, and the unlocking button penetrates through the sliding limiting hole;
and a locking hole is formed in one side of the first connector connecting block, which is close to the unlocking slide block, and the position of the first connector connecting block, which corresponds to the unlocking slide block, is provided with the unlocking slide block, and the unlocking slide block and the locking hole are fixedly inserted.
The utility model provides a baby stroller convenient for forward and backward folding, which comprises the folding joint mechanism of the stroller, a front wheel support frame, a push rod frame, a rear wheel support frame and a seat assembly, wherein a front wheel support frame plug-in connector is arranged on a connector connecting block I;
the front wheel supporting frame is inserted on the front wheel supporting frame insertion head, the push rod frame and the seat component are respectively inserted correspondingly
Is connected with the push rod frame plug and the seat component plug, and the rear wheel support frame is plugged on the rear wheel support frame plug.
The baby stroller convenient for forward and reverse folding comprises two seat assemblies, wherein the seat assemblies comprise fixing seat assemblies, a backrest rod, a cushion plate assembly and a pedal plate; two ends of the backrest rod are respectively connected with one end of the fixed seat component one by one; two sides of one end of the cushion plate component are respectively and rotatably connected with the other ends of the two fixed seat components; the pedal is connected with the other end of the cushion plate component in a rotating way.
The baby stroller convenient for forward and reverse folding comprises a fixing seat assembly, wherein the upper part of one end of the fixing seat assembly comprises a positioning connecting piece, the upper part of one end of the positioning connecting piece is connected with a back support rod plug-in connector, the back support rod plug-in connector is fixedly connected with two ends of a back support rod in an inserted manner, and the bottom part of the fixing seat assembly is provided with a clamping groove for fixedly inserting the seat assembly plug-in connector; the cushion plate component is rotationally connected with the other end of the positioning connecting piece.
The baby stroller convenient for forward and reverse folding further comprises a fixed seat assembly, a handrail rotating connecting piece, a top pin, a first spring and a release pin, wherein the handrail rotating connecting piece is correspondingly and rotatably connected to the other end side of the positioning connecting piece; a top groove is arranged on one side surface of the positioning connecting piece close to the handrail rotating connecting piece; the ejector pin is movably arranged in the ejector groove, and the first spring is assembled between the ejector pin and the bottom of the ejector groove; the handrail rotates the position that the connecting piece corresponds the knock pin and is provided with the slip locating hole, and the unblock round pin is located the slip locating hole and can with the knock pin butt in order to unblock or locking handrail rotates connecting piece and location connecting piece.
The baby stroller convenient for forward and reverse folding comprises a seat cushion plate assembly, a seat cushion support rod, a slide bar, a baffle plate, a second spring and a limiting block, wherein the seat cushion support rod comprises an unlocking pull rod, two seat cushion support rods, the slide bar, the baffle plate, the second spring and the limiting block; the sliding strip is connected inside the cushion supporting rod in a sliding mode, one end face of the sliding strip, corresponding to the positioning connecting piece, is arranged to be an inclined face, and the second spring is located inside the cushion supporting rod and correspondingly assembled to the other end face of the sliding strip;
the limiting block is connected inside the cushion supporting rod in a sliding mode along the rotating axis direction of the cushion supporting rod, and one end, close to the positioning connecting piece, of the limiting block is connected with a second jacking pin in a butting mode; a semicircular groove is formed in the position, corresponding to the ejector pin II, of the positioning connecting piece, and the ejector pin II penetrates through the cushion supporting rod and can be abutted against the semicircular groove so as to unlock or lock the cushion supporting rod; the baffle is assembled on the opening, a limiting sliding hole is formed in the direction, corresponding to the movement track of the sliding strips, of the baffle, and two ends of the unlocking pull rod penetrate through the limiting sliding hole to be connected with the two sliding strips which are symmetrically arranged.
Or the cushion plate component comprises two cushion support rods, a baffle plate, a second spring and a limiting block, the cushion support rods are hollow, one side of each cushion support rod is open, one end of each cushion support rod is rotatably connected with the other end of the corresponding positioning connecting piece, and the baffle plate is assembled on the open side; the second spring is positioned in the cushion supporting rod, and one end of the second spring is fixed with the inner side of the baffle; stopper one end butt second spring, the other end are connected with knock pin three, positioning connection spare corresponds the position of knock pin three is provided with the half slot, knock pin three runs through the cushion bracing piece can with the half slot butt is in order to realize the unblock or the locking of cushion bracing piece.
According to the baby stroller convenient for forward and reverse folding, the front handrail is fixed between the two handrail rotating connecting pieces.
Drawings
FIG. 1 is an exploded view of the construction of one set of joint components of the folding joint mechanism of the stroller of the present invention;
FIG. 2 is a schematic structural view of the folding joint mechanism of the stroller of the present invention;
FIG. 3 is a schematic view of the connection structure of the folding joint mechanism of the stroller of the present invention
FIG. 4 is an overall schematic view of the stroller of the present invention facilitating forward and reverse folding;
FIG. 5 is a disassembled schematic view of the stroller of the present invention facilitating forward and reverse folding;
FIG. 6 is a schematic structural view of the seat assembly of the present invention after structural folding;
FIG. 7 is a schematic unfolded configuration of the seat assembly of the present invention;
FIG. 8 is an enlarged view of the exploded view of the anchor assembly of the seat assembly of the present invention;
figure 9 is an exploded view of the structure of the seat cushion assembly in the seat assembly of the present invention;
FIG. 10 is a side view of the overall structure of the present invention;
FIG. 11 is a schematic view of the folded seat assembly of the present invention;
FIG. 12 is a schematic view of the overall structure of the present invention when folded;
FIG. 13 is a schematic view of the overall structure of the present invention after folding;
figure 14 is an exploded view of another embodiment of the construction of the seat cushion assembly in the seat assembly of the present invention;
FIG. 15 is a schematic unfolded configuration of another embodiment of the seat assembly of the present invention;
fig. 16 is an enlarged view of the mounting structure of the fixing seat assembly in the seat assembly of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a hollow connecting rod; 2. a connecting assembly; 3. a seat assembly; 4. a front wheel support frame; 5. a push rod frame; 6. a rear wheel support frame; 7. a first connector connecting block; 8. a joint connecting block II; 9. a joint connecting block III; 10. a limit gear; 11. a first gear 111 and a first ejector pin; 12. a seat connection plug; 13. A second gear; 14. a fixed seat assembly; 15. a seat cushion plate assembly; 16. a foot pedal; 17. unlocking the pull rod; 18. a front armrest; 19. a back rest rod; 20. a handle; 21. limiting the pipeline; 22. an unlock button; 23. Unlocking the slide block; 24. a connecting plate; 25. a locking hole; 26. elastic member 141, unlocking pin; 142. a second knock pin; 143. a first spring; 144. a handrail rotating connecting piece; 145. positioning the connecting piece; 151. a cushion support bar; 1511. a side plate; 152. a baffle plate; 153. a slide bar; 154. a second spring; 155. a stop block 156, a sliding ramp.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1, 2 and 3, the folding joint mechanism of the cart comprises a hollow connecting rod, a sliding unlocking component and two groups of joint components, wherein each group of joint components comprises a first joint connecting block 7, a second joint connecting block 8, a third joint connecting block 9, a first gear 11 and a second gear 13 which are sequentially arranged along the axis direction of the relative rotation of the joint components, the sliding unlocking component can be slidably arranged in the hollow connecting rod 1, and at least one end of the sliding unlocking component can be locked and positioned with the first joint connecting block 7;
the first gear 11 is axially movably assembled between the first joint connecting block 7 and the second joint connecting block 8 and can lock the first joint connecting block 7 and the second joint connecting block 8; the second gear 13 is axially movably assembled between the second joint connecting block 8 and the third joint connecting block 9, an elastic part 26 is arranged between the second gear and the third joint connecting block 9, and the elastic part 26 drives the second gear to be close to the third joint connecting block 9 and locks the second joint connecting block 8 and the third joint connecting block 9 through the second gear; specifically, the elastic member 26 may be a spring, in order to restore the locking position of the joint connecting block two 8 after unlocking;
a first ejector pin is fixed on one side face, close to the second joint connecting block 8, of the first gear 11, and can penetrate through the second joint connecting block 8 to abut against the second gear to drive the first ejector pin to compress the elastic part and unlock the second joint connecting block 8 and the third joint connecting block 9;
the positions, close to the two ends, of the hollow connecting rod 1 are both sleeved with inherent connecting plates, and the connecting plates are provided with driving parts which penetrate through the joint connecting block I7 and can sequentially drive the first gear and the second gear to axially move to unlock the joint connecting block I7, the joint connecting block II 8 and the joint connecting block III 9; the first joint connecting block 7, the second joint connecting block 8 and the third joint connecting block 9 are riveted through pins.
According to the folding joint mechanism of the cart, the hollow connecting rod is rotated to drive the connecting plate to rotate, the connecting plate drives the driving part to drive the first gear to axially move, the ejector pin I on the first gear 11 penetrates through the joint connecting block II 8 to drive the second gear 13 to axially move, the joint connecting block I7, the joint connecting block II 8 and the joint connecting block III 9 are sequentially unlocked, relative rotation of the joint connecting block I7, the joint connecting block II 8 and the joint connecting block III is achieved, the structure is simple, operation is convenient, and usability is strong.
According to the folding joint mechanism of the trolley, in some embodiments, the folding joint mechanism further comprises a limiting gear 10, an assembly hole is formed in the first connector connecting block 7, and the limiting gear 10 is fixedly arranged on the inner wall of the assembly hole; one side of the joint connecting block III 9, which is close to the joint connecting block II 8, is fixedly connected with a hollow connecting column arranged along the direction of the central axis, the elastic part and the second gear 13 are sleeved on the hollow connecting column, and the hollow connecting column penetrates through the joint connecting block II 8 and can be clamped with the inner teeth of the limiting gear 10 to lock the joint connecting block I7 and the joint connecting block III 9.
According to the folding joint mechanism of the trolley, in other specific embodiments, the driving part comprises an arc-shaped inclined plane block connected to the connecting plate and an arc-shaped inclined plane guide sliding groove arranged on one side, close to the joint connecting block I7, of the first gear 11, the arc-shaped inclined plane block and the arc-shaped inclined plane guide sliding groove can slide relatively and can be clamped in an adaptive mode, and the arc-shaped inclined plane block and the arc-shaped inclined plane guide sliding groove can sequentially drive the first gear and the second gear to axially move along with the rotation of the connecting plate to unlock the joint connecting block I7, the joint connecting block II 8 and the joint connecting block III 9.
According to the folding joint mechanism of the trolley, in other specific embodiments, the sliding unlocking assembly comprises an unlocking slide block 23, a reset piece, an unlocking button 22, a limiting pipeline 21 and a handle, wherein the unlocking slide block 23 is connected in the hollow connecting rod in a sliding manner; the resetting piece has the tendency of driving the unlocking slide block 23 to move to one side of the first joint connecting block 7; the unlocking button 22 is connected to the unlocking slide block 23; the limiting pipeline 21 is sleeved in a sliding limiting hole which corresponds to the unlocking button 22 in the hollow connecting rod and moves axially on the hollow connecting rod, and the unlocking button 22 penetrates through the sliding limiting hole; the return member may be a conventional component such as a return spring.
A locking hole 25 is formed in one side, close to the unlocking slide block 23, of the joint connecting block I7 and corresponds to the unlocking slide block 23, and the unlocking slide block 23 and the locking hole 25 are fixedly connected in an inserting mode.
As shown in fig. 4 to 13, the stroller convenient for forward and backward folding according to the embodiment of the present invention includes the stroller folding joint mechanism, the front wheel support frame 4, the push rod frame 5, the rear wheel support frame 6 and the seat assembly 3 of the above-mentioned embodiment, the first joint connecting block 7 has a front wheel support frame plug, the second joint connecting block 8 has a push rod frame plug and a seat assembly plug 12, and the third joint connecting block 9 has a rear wheel support frame plug;
the front wheel support frame 4 is inserted on the front wheel support frame insertion head, the push rod frame 5 and the seat component 3 are respectively inserted on the push rod frame insertion head and the seat component insertion head correspondingly, and the rear wheel support frame 6 is inserted on the rear wheel support frame insertion head.
In some embodiments, as shown in the figure, the seat assembly 3 comprises two fixing seat assemblies 14, a backrest rod 19, a cushion plate assembly 15 and a pedal plate 16, wherein the two fixing seat assemblies 14 are respectively inserted and fixed with corresponding seat assembly plug connectors; two ends of the backrest rod 19 are respectively connected with one end of the fixed seat component 14 one by one; two sides of one end of the cushion plate component 15 are respectively and rotatably connected with the other ends of the two fixed seat components 14; the footrest 16 is pivotally connected to the other end of the cushion plate assembly 15.
In other embodiments, as shown in fig. 8, the fixing seat assembly 14 may include a positioning connecting member 145, an upper portion of one end of the positioning connecting member 145 is connected to the backrest rod 19, and a bottom portion thereof is provided with a slot for inserting and fixing with the seat assembly plug; the cushion plate assembly 15 is rotatably connected to the other end of the positioning connection member 145.
Specifically, as shown in fig. 8, the fixed seat assembly 14 further includes a second armrest rotating link 144, a second knock pin 142, a first spring 143, and an unlocking pin 141, wherein the armrest rotating link 144 is correspondingly and rotatably connected to the other end side of the positioning link 145; a top groove is formed in one side face, close to the handrail rotating connecting piece, of the positioning connecting piece 145; the second knock pin 142 is movably arranged in the top groove, and the first spring 143 is assembled between the second knock pin 142 and the bottom of the top groove; the armrest rotating connecting piece 144 is provided with a sliding positioning hole corresponding to the ejector pin, and the unlocking pin 141 is positioned in the sliding positioning hole and can be abutted against the second ejector pin 142 to unlock or lock the armrest rotating connecting piece 144 and the positioning connecting piece 145.
In some examples, specifically, as shown in fig. 9, the cushion plate assembly 15 includes an unlocking rod 17, and two cushion support rods 151, a slide bar 153, a baffle plate 152, a second spring 154 and a limit block 155, wherein the cushion support rods 151 are hollow, one side of each cushion support rod is open, and the other side of each cushion support rod is rotatably connected with the other side of the corresponding positioning connecting member 145; the slide bar 153 is slidably connected inside the cushion support rod 151 and is provided with an inclined surface corresponding to one end surface of the positioning connecting piece 145, and the second spring 154 is positioned inside the cushion support rod 151 and is correspondingly assembled at the other end surface of the slide bar 153;
the limiting block 155 is connected inside the cushion supporting rod 151 in a sliding manner along the direction of the rotation axis of the cushion supporting rod 151, one end of the limiting block, which is close to the positioning connecting piece 145, can be abutted against the inclined plane, the other end of the limiting block is connected with a third ejector pin, and the other end of the limiting block, which is connected with the third ejector pin, can be integrally connected or can be fixedly connected; a semicircular groove is formed in the position, corresponding to the third top pin, of the positioning connecting piece 145, and the third top pin penetrates through the cushion supporting rod 151 and can be abutted against the semicircular groove to lock the cushion supporting rod 151;
the baffle 152 is assembled on the opening, the baffle 152 is provided with a limiting sliding hole corresponding to the movement track of the sliding strip 153, and two ends of the unlocking pull rod 17 can penetrate through the limiting sliding hole to be connected with the two sliding strips 153 which are symmetrically arranged.
Specifically, a side plate 1511 is arranged on one side of the seat cushion support rod 151 in the length direction and close to the positioning connecting piece 145, a sliding inclined surface 156 is arranged on a rotating track of the side plate 1511 and in a position corresponding to the unlocking pin 141, and in the process that the side plate 1511 rotates upwards on the seat cushion support rod 151, the pressing end of the unlocking pin slides to be abutted against the outer side surface of the side plate through the sliding inclined surface 156 and is pressed to drive the ejector pin II 142 to be separated from the positioning, so that unlocking of the armrest rotating connecting piece is achieved.
In other embodiments, as shown in fig. 14 and 15, the cushion plate assembly 15 includes two cushion support rods 151, a blocking plate 152, a second spring 154 and a limiting block 155, the cushion support rods 151 are hollow, one side of each cushion support rod is open, and one end of each cushion support rod is rotatably connected to the other end side of the corresponding positioning connecting member 145, and the blocking plate 152 is assembled on the open side; the second spring 154 is positioned in the cushion support rod 151 and one end of the second spring is fixed with the inner side of the baffle plate; stopper one end butt second spring, the other end are connected with knock pin three, and the stopper other end is connected knock pin three and can be a body coupling, also can fixed connection, and the position that the location connecting piece corresponds knock pin three is provided with the half slot, and knock pin three runs through the cushion bracing piece can with the half slot butt in order to realize the locking of cushion bracing piece. In some embodiments, the front armrest 18 may be fixed between the armrest swivel joints 144.
One specific application of this embodiment is: when the seat assembly 3 needs to be folded, firstly, the pedal 16 is rotated upwards to adjust the pedal 16 to be flush with the cushion plate assembly 15, then the unlocking pin 141 is pressed against the outer side surface of the side plate by the sliding inclined surface 156 on the side plate 1511 on one side of the cushion support rod 151 to push the second knock pin 142 to contract, when the second knock pin 142 is completely contracted into the top groove of the positioning connecting piece 145, the armrest rotating connecting piece 144 loses the limit, at the moment, the front armrest 18 is rotated to enable the armrest rotating connecting piece 144 to rotate along the positioning connecting piece 145, the front armrest 18 is rotated upwards to a proper position and then stopped, then the unlocking pull rod 17 is pulled to drive the two slide bars 153 to simultaneously move, the limit of the third knock pin fixedly connected with the limit block 155 on the positioning connecting piece is stopped, at the moment, the limit block 155 can slide in the cushion support rod 151 to upwards integrally rotate the cushion plate assembly 15, at this time, the third knock pin is disengaged from the semicircular groove of the positioning connecting piece 145, so that the whole angle of the cushion plate assembly 15 can be adjusted, and the whole seat assembly 3 can be folded.
Another specific application of this embodiment is: when the seat assembly 3 needs to be folded, firstly, the pedal 16 is rotated upwards, the pedal 16 is adjusted to be flush with the cushion plate assembly 15, the cushion plate assembly 15 is rotated upwards integrally, at the moment, the limiting block 155 can slide in the cushion support rod 151 to the positioning connecting piece in a reciprocating manner along the direction from the cushion support rod 151 to the positioning connecting piece, the third top pin is separated from the semicircular groove of the positioning connecting piece 145 by rotating the cushion support rod 151 upwards, the integral angle of the cushion plate assembly 15 can be adjusted, the upward turning is continued, the unlocking pin 141 is abutted against the outer side surface of the side plate 1511 through the sliding inclined surface 156 on the side plate 1511 on one side of the cushion support rod 151 and is pressed, the second top pin 142 is further pushed to be contracted, when the second top pin 142 is completely contracted into the top groove of the positioning connecting piece 145, the armrest rotating connecting piece 144 loses the limiting position, at the front armrest rotating connecting piece 144 is pushed to rotate along the positioning connecting piece 145, the front arm rests 18 are rotated upward to a proper position and then stopped, thereby folding the seat assembly 3 as a whole.
One specific application of this embodiment is: when the seat assembly 3 is unfolded, the seat assembly 3 is rotated downward, when the third top pin on the limit block 155 moves to the semicircular groove on one side of the positioning connecting piece 145, the third top pin is inserted into the semicircular groove to connect the cushion plate assembly 15 with the positioning connecting piece 145, then the front armrest 18 is rotated downward to drive the armrest rotating connecting piece 144 to rotate, and when the unlocking pin 141 moves to the position of the second top pin 142, the unlocking pin is ejected out under the action of the first spring 143, so that the second top pin 142 is inserted into the armrest rotating connecting piece 144 and ejects a part of the unlocking pin 141, the unfolding of the seat assembly 3 is completed, and the seat assembly can be used.
When the device needs to be integrally folded, the seat assembly 3 is firstly folded, after the seat assembly 3 is folded, the front wheel support frame 4 can be driven to rotate through the first joint connecting block 7, the push rod frame 5 can be driven to rotate through the second joint connecting block 8, the rear wheel support frame 6 can be driven to rotate through the third joint connecting block 9, then the seat assembly 3, the front wheel support frame 4, the push rod frame 5 and the rear wheel support frame 6 are rotated according to the diagrams of fig. 10-13, and the integral folding of the device can be completed.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The folding joint mechanism of the trolley is characterized by comprising a hollow connecting rod, a sliding unlocking assembly and two groups of joint assemblies, wherein each of the two groups of joint assemblies comprises a first joint connecting block (7), a second joint connecting block (8) and a third joint connecting block (9), a first gear (11) and a second gear (13) which are sequentially arranged along the axial direction of the joint assemblies capable of rotating relatively, the sliding unlocking assembly is slidably arranged in the hollow connecting rod, and at least one end of the sliding unlocking assembly can be locked and positioned with the first joint connecting block (7);
the first gear (11) is axially movably assembled between the first joint connecting block (7) and the second joint connecting block (8) and can lock the first joint connecting block (7) and the second joint connecting block (8); the second gear (13) is axially movably assembled between the second joint connecting block (8) and the third joint connecting block (9) and an elastic piece (26) is arranged between the second gear and the third joint connecting block (9), the elastic piece (26) drives the second gear to be close to the third joint connecting block (9) and locks the second joint connecting block (8) and the third joint connecting block (9) through the second gear;
a first ejector pin is fixed on one side face, close to the second joint connecting block, of the first gear (11), and can penetrate through the second joint connecting block (8) to abut against the second gear to drive the first ejector pin to compress the elastic piece and loosen the second joint connecting block (8) and the third joint connecting block (9);
inherent connecting plates are sleeved at the positions, close to the two ends, of the hollow connecting rod, and driving parts which penetrate through the joint connecting block I (7) and can sequentially drive the first gear and the second gear to axially move to unlock the joint connecting block I (7), the joint connecting block II (8) and the joint connecting block III (9) are arranged on the connecting plates; the joint connecting block I (7), the joint connecting block II (8) and the joint connecting block III (9) are riveted through pins.
2. The cart folding joint mechanism according to claim 1, further comprising a limit gear (10), wherein the first joint connecting block (7) is provided with an assembly hole, and the limit gear (10) is fixedly arranged on the inner wall of the assembly hole; joint connecting block three (9) are close to one side of joint connecting block two (8) has linked firmly along the central axis direction arranges the hollow joint post, the elastic component with second gear (13) are all established on the hollow joint post, just the hollow joint post passes joint connecting block two (8) can with the internal tooth joint of stop gear (10), in order to lock joint connecting block (7) and joint connecting block three (9).
3. The folding joint mechanism of a trolley as claimed in claim 1, wherein the driving part comprises an arc-shaped slope block connected to the connecting plate and an arc-shaped slope guide chute arranged on one side of the first gear (11) close to the first joint connecting block (7), the arc-shaped slope block is in adaptive clamping connection with the arc-shaped slope guide chute and can sequentially drive the first gear and the second gear to axially move along with the rotation of the connecting plate to unlock the first joint connecting block (7), the second joint connecting block (8) and the third joint connecting block (9).
4. The cart folding joint mechanism according to claim 1, characterized in that the sliding unlocking assembly comprises an unlocking slider (23), a reset piece, an unlocking button (22), a limiting pipeline (21) and a handle, wherein the unlocking slider (23) is connected in a sliding manner in the hollow connecting rod; the reset piece has a tendency of driving the unlocking slide block (23) to move towards one side of the joint connecting block I (7); the unlocking button (22) is connected to the unlocking slide block (23); the limiting pipeline (21) is sleeved in a sliding limiting hole which corresponds to the position of the unlocking button (22) on the hollow connecting rod and moves axially on the hollow connecting rod, and the unlocking button (22) penetrates through the sliding limiting hole;
one side of the joint connecting block I (7) close to the unlocking sliding block (23) and a locking hole (25) are formed in the position corresponding to the unlocking sliding block (23), and the unlocking sliding block (23) is fixedly connected with the locking hole (25) in an inserting mode.
5. A baby stroller convenient for forward and backward folding, comprising a stroller folding joint mechanism, a front wheel support frame (4), a push rod frame (5), a rear wheel support frame (6) and a seat component (3) as claimed in any one of claims 1 to 4, wherein a front wheel support frame plug connector is arranged on the first joint connecting block (7), a push rod frame plug connector and a seat component plug connector (12) are arranged on the second joint connecting block (8), and a rear wheel support frame plug connector is arranged on the third joint connecting block (9);
the front wheel support frame (4) is inserted into the front wheel support frame insertion joint, the push rod frame (5) and the seat component (3) are respectively inserted into the push rod frame insertion joint and the seat component insertion joint correspondingly, and the rear wheel support frame (6) is inserted into the rear wheel support frame insertion joint.
6. The stroller capable of being folded forwards and backwards according to claim 5, wherein the seat assemblies (3) comprise two fixing seat assemblies (14), two backrest rods (19), two cushion plate assemblies (15) and two pedals (16), and the two fixing seat assemblies (14) are respectively fixedly connected with the corresponding seat assembly plug connectors in an inserting manner; two ends of the backrest rod (19) are respectively connected with one end of the fixed seat component (14) one by one; two sides of one end of the cushion plate component (15) are respectively and rotatably connected with the other ends of the two fixing seat components (14); the pedal (16) is rotatably connected with the other end of the cushion plate component (15).
7. The stroller of claim 6, wherein the fixing seat assembly (14) comprises a positioning connector (145), the upper part of one end of the positioning connector (145) is connected with a backrest rod connector, the backrest rod connector is fixedly connected with two ends of the backrest rod (19) in an inserting manner, and the bottom part of the backrest rod connector is provided with a slot for fixedly connecting with the seat assembly connector; the cushion plate component (15) is rotatably connected with the other end of the positioning connecting piece (145).
8. The stroller of claim 7, wherein the seat assembly (14) further comprises an armrest pivotal connector (144), a second top pin (142), a first spring (143) and a release pin (141), the armrest pivotal connector (144) being pivotally connected to the other end of the positioning connector (145); a top groove is formed in one side face, close to the handrail rotating connecting piece, of the positioning connecting piece (145); the second ejector pin (142) is movably arranged in an ejector groove, and the first spring (143) is assembled between the second ejector pin (142) and the bottom of the ejector groove; the armrest rotating connecting piece (144) is provided with a sliding positioning hole corresponding to the second ejector pin (142), and the unlocking pin (141) is positioned in the sliding positioning hole and can be abutted against the second ejector pin (142) to unlock or lock the armrest rotating connecting piece (144) and the positioning connecting piece (145).
9. The stroller convenient for forward and backward folding according to claim 8, wherein the seat cushion assembly (15) comprises an unlocking pull rod (17), two seat cushion support rods (151), two slide bars (153), two baffle plates (152), two second springs (154) and two limit blocks (155), the seat cushion support rods (151) are hollow, one side of each seat cushion support rod is open, and the other side of each seat cushion support rod is rotatably connected with the other side of the corresponding positioning connecting piece (145); the slide bar (153) is connected inside the cushion support rod (151) in a sliding manner, one end face of the slide bar (153) corresponding to the positioning connecting piece (145) is arranged to be an inclined face, and the second spring (154) is located in the cushion support rod (151) and is correspondingly assembled on the other end face of the slide bar (153);
the limiting block (155) is connected inside the cushion supporting rod (151) in a sliding mode along the direction of the rotating axis of the cushion supporting rod (151), and one end, close to the positioning connecting piece (145), of the limiting block is connected with a third ejector pin; a semicircular groove is formed in the position, corresponding to the third ejector pin, of the positioning connecting piece (145), and the third ejector pin penetrates through the cushion supporting rod (151) and can be abutted against the semicircular groove to unlock or lock the cushion supporting rod (151);
the baffle (152) is assembled on the opening, a limiting sliding hole is formed in the baffle (152) in the direction corresponding to the movement track of the sliding strips (153), and two ends of the unlocking pull rod (17) penetrate through the limiting sliding hole and are connected with the two sliding strips (153) which are symmetrically arranged;
or the cushion plate component (15) comprises two cushion support rods (151), a baffle plate (152), a second spring (154) and a limiting block (155), the cushion support rods (151) are hollow, one side of each cushion support rod is open, one end of each cushion support rod is rotatably connected with the other end side of the corresponding positioning connecting piece (145), and the baffle plate (152) is assembled on the open side; the second spring (154) is positioned in the cushion supporting rod (151) and one end of the second spring is fixed with the inner side of the baffle; stopper (155) one end butt second spring (154), the other end is connected with knock pin three, positioning connection spare (145) correspond the position of knock pin three is provided with the half slot, knock pin three runs through cushion bracing piece (151) can with the half slot butt is in order to realize the unblock or the locking of cushion bracing piece (151).
10. The stroller of claim 8, wherein said stroller further comprises: a front handrail (18) is fixed between the two handrail rotating connecting pieces (144).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202022100209.6U DE202022100209U1 (en) | 2021-12-16 | 2022-01-14 | Stroller hinge mechanism and stroller having such a carriage hinge mechanism |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021215273736 | 2021-07-07 | ||
| CN202121527373 | 2021-07-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216611330U true CN216611330U (en) | 2022-05-27 |
Family
ID=78267852
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123174636.2U Active CN216611330U (en) | 2021-07-07 | 2021-12-16 | Folding joint mechanism of stroller and stroller with folding joint mechanism |
| CN202111546808.6A Active CN114228817B (en) | 2021-07-07 | 2021-12-16 | Folding joint mechanism of shallow and have its perambulator |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111546808.6A Active CN114228817B (en) | 2021-07-07 | 2021-12-16 | Folding joint mechanism of shallow and have its perambulator |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN216611330U (en) |
| DE (1) | DE202021105009U1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202021105009U1 (en) * | 2021-07-07 | 2021-09-27 | Suzhou Anri Child Products Co.,Ltd | Stroller for easy forward and backward folding |
| CN117657274A (en) * | 2022-08-26 | 2024-03-08 | 明门(中国)幼童用品有限公司 | Infant carrier |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200942791Y (en) * | 2006-09-18 | 2007-09-05 | 中山市隆成日用制品有限公司 | Baby carriage folding framework |
| CN104354749B (en) * | 2014-10-31 | 2016-08-17 | 广东乐美达集团有限公司 | A kind of linkage folding baby carrier |
| CN107284506B (en) * | 2016-04-13 | 2019-11-19 | 明门香港股份有限公司 | Rumble seat group and perambulator |
| CN207843043U (en) * | 2017-12-19 | 2018-09-11 | 昆山威凯儿童用品有限公司 | The handrail unlocking mechanism of stroller seat pocket |
| CN208453074U (en) * | 2018-02-08 | 2019-02-01 | 金华兰贝婴童用品有限公司 | One kind lifting convenient Novel baby cart |
| CN109774774A (en) * | 2019-03-14 | 2019-05-21 | 昆山贝康儿童用品有限公司 | Foldable wheelbarrow |
| CN111746618A (en) * | 2019-03-29 | 2020-10-09 | 珠海阳光儿童用品有限公司 | Baby carriage frame folding joint, baby carriage frame and baby carriage |
| CN110667679B (en) * | 2019-09-20 | 2022-01-11 | 曼玛斯&帕帕斯控股有限公司 | Seat frame assembly, stroller and folding method thereof |
| CN211663320U (en) * | 2019-11-04 | 2020-10-13 | 深圳市秀宝婴童用品有限公司 | Detachable baby carriage with seat joint device for adjusting angle of backrest of seat |
| CN211076029U (en) * | 2019-12-23 | 2020-07-24 | 河北创力车业有限公司 | Frame locking mechanism of baby stroller |
| CN212654409U (en) * | 2020-06-30 | 2021-03-05 | 昆山威凯儿童用品有限公司 | Folding joint structure of bassinet |
| CN112477966A (en) * | 2020-12-12 | 2021-03-12 | 山东圣得宝儿童用品股份有限公司 | Quick foldable bassinet frame |
| DE202021105009U1 (en) * | 2021-07-07 | 2021-09-27 | Suzhou Anri Child Products Co.,Ltd | Stroller for easy forward and backward folding |
-
2021
- 2021-09-16 DE DE202021105009.8U patent/DE202021105009U1/en active Active
- 2021-12-16 CN CN202123174636.2U patent/CN216611330U/en active Active
- 2021-12-16 CN CN202111546808.6A patent/CN114228817B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN114228817B (en) | 2024-04-16 |
| DE202021105009U1 (en) | 2021-09-27 |
| CN114228817A (en) | 2022-03-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216611330U (en) | Folding joint mechanism of stroller and stroller with folding joint mechanism | |
| US8376461B2 (en) | Child seat convertible between a high chair configuration and a swing configuration and method of conversion thereof | |
| CN110979441A (en) | Seat reversing mechanism and baby stroller | |
| CN111619645B (en) | Child cart | |
| CN212125268U (en) | Foldable seat pocket structure | |
| CN113044097A (en) | Baby carriage | |
| CN220500793U (en) | Child cart | |
| CN114572292A (en) | Children's shallow frame | |
| CN218806047U (en) | Seat reversing mechanism of baby carriage | |
| CN218806045U (en) | Children's shallow frame | |
| CN214776130U (en) | Baby carriage | |
| CN216002747U (en) | Shallow | |
| CN216861570U (en) | Children's barrow | |
| CN219821542U (en) | Folding convenient baby carrier | |
| CN220549094U (en) | Child cart | |
| CN221477240U (en) | Child cart | |
| CN220535733U (en) | Child cart | |
| CN213109477U (en) | Baby carriage | |
| CN214215901U (en) | Children's barrow | |
| CN221273170U (en) | Child cart | |
| CN216915980U (en) | Children's barrow | |
| CN216424525U (en) | Children's barrow | |
| CN221273167U (en) | Child cart | |
| CN219056348U (en) | Child cart | |
| CN116714657A (en) | Child cart |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |