A folding and unlocking structure for a folding baby stroller
By using an unlocking structure in which one unlocking member and two unlocking members move simultaneously in the stroller, combined with the linkage of the rope disc and the unlocking rope, the safety risk caused by accidentally touching the unlocking button during one-hand operation is solved, and stable and reliable one-hand operation is achieved.
Patent Information
- Application Number
- CN202310422166.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-04-19
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2043-04-19
AI Technical Summary
When operating with one hand, existing strollers are prone to directly enter the folding state due to accidentally touching the unlock button, resulting in safety risks.
The unlocking structure is adopted where one unlocking piece and two unlocking pieces move simultaneously. Through the linkage of the rope disc and the unlocking rope, it ensures that the stroller will not enter the unlocking state directly when operating with one hand.
It effectively avoids safety risks caused by accidentally touching the unlock button, ensuring that the stroller is stable and reliable when operating with one hand, and is convenient to operate.
Smart Images

Figure CN116353678B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of folding baby carriages, and particularly relates to a folding and unlocking structure for a folding baby carriage. Background Art
[0002] At present, baby carriages are indispensable baby products for most families. In particular, foldable baby carriages provide great convenience during travel. However, when traveling, there are often situations where only one adult is carrying one baby. It is difficult for a person to fold and store the baby carriage while holding the baby in one hand. Therefore, single-handed foldable baby carriages have emerged on the market.
[0003] However, in the prior art, the single-handed folding of a baby carriage is achieved only by a single unlocking button control. When the user accidentally touches the single unlocking button, the baby carriage will directly enter the unlocked state, and the baby carriage will not be able to bear the weight of the baby and will directly enter the folded state, which is likely to cause safety risk problems. Summary of the Invention
[0004] The purpose of the present invention is to provide a folding and unlocking structure for a folding baby carriage, which is used to solve the problem of safety risks caused by the single-handed operation of a single unlocking button to enter the folded state of the baby carriage in the prior art.
[0005] The purpose of the present invention can be achieved by the following technical solutions:
[0006] A folding and unlocking structure for a folding baby carriage includes:
[0007] A first unlocking member and a second unlocking member are respectively embedded in an unlocking box and can respectively move along the direction of being embedded in the unlocking box;
[0008] A rope reel is arranged in the unlocking box and is sleeved on a mounting post, and the post is fixedly installed in the unlocking box;
[0009] A set of unlocking ropes, one end of which is connected to a first guiding sliding piece and the other end is connected to the rope reel. When the first unlocking member is moved to press the rope reel to axially move along the post to unlock, the second unlocking member is moved to press the rope reel to rotate clockwise along the radial direction of the post, and by rotating the rope reel, this set of unlocking ropes is pulled into an unlocked state;
[0010] A first guiding seat is linked to the first guiding sliding piece. The first guiding sliding piece is slidably connected in a groove box body, and the first guiding sliding piece moves along the pulling direction of this set of unlocking ropes and drives the first guiding seat to move in the opposite direction;
[0011] A second guide seat is connected to the first guide seat via a linkage assembly, an unlocking push block is provided at one end of the second guide seat, and an inclined unlocking surface is provided at one end of the unlocking push block away from the second guide seat;
[0012] The lock tongue is inserted and installed in the second groove box body. The lock tongue is provided with an inclined sliding surface that contacts the inclined unlocking surface. The bottom end of the lock tongue passes through the slide rail tube and extends downwardly out of the locking sliding seat. When unlocking, the unlocking push block slides along the inner cavity of the second groove box body and approaches the lock tongue, and squeezes and contacts the lock tongue to lift and retract into the second groove box body, so as to release the lock between the lock tongue and the sliding seat.
[0013] As a further solution of the present invention: the unlocking member is a slide switch button, and the slide switch button is provided with a pressing plate of an integral structure, and the pressing plate is used to press against the guide protrusion provided on the rope drum to unlock and slide.
[0014] As a further solution of the present invention: the second unlocking member is a button box, and the open end surface of the button box is used to press against the back protrusion provided on the rope drum to unlock and turn.
[0015] As a further solution of the present invention: one end of the guide seat one is provided with a guide slide two of an integral structure, the guide slide two is provided with an inclined guide hole two, the guide slide one is provided with an inclined guide hole one, the inclination directions of the guide hole one and the guide hole two are arranged in opposite directions, and the guide hole one and the guide hole two are connected by a pin column, and the pin column is fixedly installed in the slot box body one.
[0016] As a further solution of the present invention: the linkage assembly includes a support block and a support seat, the support block and the support seat are snap-connected, and the support block and the guide seat one are rotationally connected, and the support and the guide seat two are rotationally connected.
[0017] As a further solution of the present invention: it also includes a handle telescopic adjustment mechanism, and the handle telescopic adjustment mechanism includes:
[0018] The unlocking box is arranged at the middle of the handlebar tube;
[0019] An inner lifting tube is fixedly connected to both sides of the handle tube, and the inner lifting tube is slidably connected in the linkage tube;
[0020] Another set of unlocking ropes, one end of which is connected to the lock seat and the other end of which is connected to the rope disc, releases the pressing linkage between the first unlocking member and the rope disc, moves the second unlocking member and presses the rope disc to rotate counterclockwise along the radial direction of the pillar, and pulls the unlocking ropes of this set to an unlocking state by rotating the rope disc;
[0021] A buckle protrusion is rotatably mounted on the lock seat, the buckle protrusion passes through the avoidance hole on the slot box body 1, and is buckled and connected in the slot provided on the lifting inner tube;
[0022] Wherein, when the unlocking rope of this group is in the unlocking state, the lock seat moves along the pulling direction of the unlocking rope of this group and rotates the buckle protrusion back into the linkage tube to release the lock between the lifting inner tube and the linkage tube, and the handle tube is manually pulled to move the lifting inner tube along the length direction of the linkage tube for adjustment;
[0023] When the unlocking rope of this group is in the unlocked state, a return spring 2 is provided in the slot box body 1 to press against the lock seat, and the lifting inner tube is moved to the corresponding position of the buckle protrusion and the lock hole opened on the linkage tube. The buckle protrusion rotates along the lock seat and returns to the lock hole to relatively fix the lifting inner tube and the linkage tube.
[0024] As a further solution of the present invention, a return spring 1 is sleeved on the pillar and presses against the rope drum. When the pressing linkage between the unlocking member and the rope drum is released, the return spring 1 presses the rope drum to move axially along the pillar and return to its original position.
[0025] As a further solution of the present invention: the second unlocking member is a button box, and the open end surface of the button box is used to press against the front protrusion provided on the rope drum to unlock and turn.
[0026] As a further solution of the present invention: a sliding hole 1 for slidingly connecting the linkage component is opened on the slide rail tube; a sliding hole 2 for slidingly connecting the linkage component is opened on the linkage tube.
[0027] As a further solution of the present invention: the unlocking rope is accommodated in the handle tube and the lifting inner tube.
[0028] Beneficial effects of the present invention:
[0029] (1) When the baby stroller is folded with one hand, the present invention adopts the simultaneous movement of the first unlocking member and the second unlocking member for unlocking operation. When the user accidentally touches one of the unlocking buttons, the baby stroller will not directly enter the unlocking state, thereby ensuring the safety of the baby stroller. When the first unlocking member and the second unlocking member are used for unlocking, the linkage operation between the unlocking rope, the guide slide plate 1, the guide seat 1, the linkage assembly, the guide seat 2, the unlocking push block and the lock tongue is convenient, and the operation is stable and reliable.
[0030] (2) The pressing linkage between the first unlocking member and the rope drum is released. When the user presses and touches the second unlocking member, the handle is retracted and adjusted to meet the needs of different users for pushing the cart. Brief Description of the Drawings
[0031] The present invention will be further described below with reference to the accompanying drawings.
[0032] Figure 1 is a schematic structural diagram of the present invention;
[0033] Figure 2 is a schematic diagram of one end of the unlocking rope of the present invention connected to the rope reel;
[0034] Figure 3 is a schematic diagram of the first guiding seat of the present invention connected to the second guiding seat through a linkage assembly;
[0035] Figure 4 is a schematic diagram of the other end of the unlocking rope connected to the first guiding slide in the first slot box body of the present invention;
[0036] Figure 5 is a schematic diagram of the second guiding seat of the present invention slidably connected to the second slot box body;
[0037] Figure 6 is a schematic diagram of the disassembled linkage assembly of the present invention;
[0038] Figure 7 is a schematic diagram of a second sliding hole and a plurality of locking holes formed on the side wall of the linkage pipe of the present invention;
[0039] Figure 8 is a schematic diagram of a first sliding hole formed on the sliding rail pipe of the present invention;
[0040] Figure 9 is a schematic diagram of the linkage pipe and the sliding rail pipe of the present invention commonly rotatably connected to the vehicle frame;
[0041] Figure 10 is a schematic diagram of the connection between the linkage pipe and the handle pipe of the present invention;
[0042] Figure 11 is a schematic diagram of the internal structure of the unlocking box of the present invention;
[0043] Figure 12 is a schematic diagram of the internal structure of the unlocking box of the present invention with a first unlocking member and a second unlocking member removed;
[0044] Figure 13 is a schematic diagram of the second unlocking member of the present invention;
[0045] Figure 14 is a schematic diagram of the fixed connection between the handle pipe and the lifting inner pipe of the present invention;
[0046] Figure 15 is a schematic diagram of the unlocking rope of the present invention connected to the first slot box body inside the lifting inner pipe;
[0047] Figure 16 is a schematic diagram of the vehicle frame in the unfolded state of the present invention;
[0048] Figure 17 is another schematic diagram of the unfolded state of the frame of the present invention;
[0049] Figure 18 is a schematic diagram of the folded and retracted state of the frame of the present invention.
[0050] In the figure: 1. a first unlocking member; 100. a pressing piece; 2. a rope reel; 200. a rear protrusion; 201. a front protrusion; 202. a guiding protrusion; 3. a strut; 300. a first reset spring; 4. a second unlocking member; 400. a slider; 5. an unlocking box; 500. a chute; 6. an unlocking rope; 7. a first guiding sliding piece; 70. a first guiding hole; 8. a first groove box body; 80. a pin; 81. a lock seat; 82. a buckle tab; 83. a second reset spring; 9. a first guiding seat; 90. a second guiding sliding piece; 91. a second guiding hole; 10. a linkage assembly; 101. a support block; 102. a support; 11. a second guiding seat; 110. an unlocking push block; 12. a second groove box body; 120. a lock tongue; 121. a third reset spring; 13. a sliding seat; 14. a slide rail tube; 140. a first sliding hole; 15. a swing rod; 16. a joint part; 17. a linkage tube; 170. a second sliding hole; 171. a lock hole; 18. a handle tube; 180. a lifting inner tube; 181. a clamping groove; 19. a frame. Detailed implementation manners
[0051] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.
[0052] In the description of the present invention, it should be understood that the terms indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention; in the description of the present invention, the meanings of "a plurality" and "several" are at least two, such as two, three, etc., unless otherwise specifically and clearly defined.
[0053] Embodiment 1
[0054] Please refer to Figures 1-5 and Figure 9As shown, the present invention is a folding unlocking structure for a foldable baby stroller, comprising: a first unlocking member 1 and a second unlocking member 4, the first unlocking member 1 and the second unlocking member 4 are respectively embedded in an unlocking box 5 and can respectively move along the direction of being embedded in the unlocking box 5, and a rope drum 2 is arranged in the unlocking box 5, the rope drum 2 is sleeved on the mounting pillar 3, the pillar 3 is fixedly mounted in the unlocking box 5, one end of a group of unlocking ropes 6 is connected to a guide slide 7 and the other end is connected to the rope drum 2, when unlocking by moving the first unlocking member 1 and pressing the rope drum 2 to move axially along the pillar 3, the second unlocking member 4 is moved and pressed the rope drum 2 to rotate clockwise along the radial direction of the pillar 3, and the group of unlocking ropes 6 is pulled to an unlocked state by rotating the rope drum 2, and in the process of folding the baby stroller with one hand, the first unlocking member 1 and the second unlocking member 4 need to be operated simultaneously to realize the one-hand folding action of the baby stroller.
[0055] During the simultaneous movement and unlocking process of the first unlocking member 1 and the second unlocking member 4, the guide slide 7 is linked to the guide seat 9, and the guide slide 7 is slidably connected in the slot box body. As the group of unlocking ropes 6 pulls the guide slide 7 upward, the guide slide 7 moves along the traction direction of the group of unlocking ropes 6 and drives the guide seat 9 to move in the opposite direction, so that the guide seat 9 moves downward in the opposite direction, and the guide seat 9 is connected to the guide seat 2 11 through the linkage assembly 10, so that the guide seat 2 11 moves downward synchronously, and an unlocking push block 110 is provided at one end of the guide seat 2 11, and an inclined unlocking surface is provided at the end of the unlocking push block 110 away from the guide seat 2 11, so as to facilitate the unlocking push block 110 to move downward for unlocking linkage.
[0056] When the lock tongue 120 is in the locked state, the lock tongue 120 is inserted and installed in the slot box body 12, and the return spring 3 121 is arranged in the slot box body 12 to press against the lock tongue 120, so that the bottom end of the lock tongue 120 passes through the slide rail tube 14 and extends downward to lock the sliding seat 13, keeping the sliding seat 13 and the slide rail tube 14 relatively fixed. Figure 16 and Figure 17 As shown, the frame 19 of the baby carriage is in an unfolded state.
[0057] When the lock tongue 120 is in the unlocked state, an inclined sliding surface is provided on the lock tongue 120 that conflicts with the inclined unlocking surface. The unlocking push block 110 slides along the inner cavity of the groove box body 12 and approaches the lock tongue 120. The inclined unlocking surface presses the inclined sliding surface to climb up, and squeezes and conflicts with the lock tongue 120 to lift and retract into the groove box body 12, so as to release the lock between the lock tongue 120 and the sliding seat 13. After the release, the sliding seat 13 is easy to move along the slide rail tube 14. The sliding seat 13 is connected to the joint part 16 through the swing rod 15, so that the sliding seat 13 slides to make the joint part 16 fold and retract the frame 19, as shown in FIG. Figure 18 As shown, the frame 19 of the baby carriage is finally in a folded and collapsed state.
[0058] When operating a single - handed folding baby stroller, the present invention adopts the simultaneous movement and unlocking operation of a first unlocking member 1 and a second unlocking member 4. When the user accidentally touches one of the unlocking buttons, the baby stroller will not directly enter the unlocking state, ensuring the safety of using the baby stroller. Moreover, when the first unlocking member 1 and the second unlocking member 4 are used for unlocking, the linkage operation among the unlocking rope 6, the first guiding slide piece 7, the first guiding seat 9, the linkage assembly 10, the second guiding seat 11, the unlocking push block 110 and the locking tongue 120 is convenient and the operation is stable and reliable.
[0059] In this embodiment, as Figure 11 and Figure 12 shown, the first unlocking member 1 is a sliding - piece switch button, and the sliding - piece switch button is provided with an integral structure of a pressing piece 100. The pressing piece 100 is used for pressing and unlocking the guiding convex block 202 arranged on the rope reel 2. When unlocking and operating the single - handed folding baby stroller, it is necessary to pre - complete the sliding unlocking of the sliding - piece switch button. During the sliding unlocking process of the sliding - piece switch button, the pressing piece 100 presses the guiding convex block 202 to move, so that the rope reel 2 moves axially along the support column 3 to unlock.
[0060] Furthermore, as Figure 13 shown, the second unlocking member 4 is a button box. The opening end face of the button box is used for pressing and unlocking the back convex 200 arranged on the rope reel 2. After the rope reel 2 moves axially along the support column 3 to unlock, the user presses the button box. The button box is respectively provided with sliders 400, and the inner wall of the unlocking box 5 is provided with sliding grooves 500 adapted to the sliders 400 for sliding connection, so that the button box is pressed into the unlocking box 5. At this time, the opening end face of the button box can press and unlock the back convex 200 arranged on the rope reel 2, so that the rope reel 2 rotates clockwise, thereby pulling the unlocking rope 6 to the unlocking state.
[0061] In this embodiment, as Figure 3 and Figure 4 shown, one end of the first guiding seat 9 is provided with an integral structure of a second guiding slide piece 90. The second guiding slide piece 90 is provided with an inclined guiding hole 91. The first guiding slide piece 7 is provided with an inclined guiding hole 70. The inclined directions of the guiding hole 70 and the guiding hole 91 are opposite, and the guiding hole 70 and the guiding hole 91 are connected by inserting a pin 80. The pin 80 is fixedly installed in the first groove box body 8. When the unlocking rope 6 is pulled to the unlocking state, the guiding hole 70 and the guiding hole 91 are convenient for the guiding slide piece 7 to move along the pulling direction of this group of unlocking ropes 6 under the limiting and sliding action of the pin 80 and drive the second guiding slide piece 90 to move in the opposite direction, so that the first guiding seat 9 moves downward in the reverse direction, and the linkage is stable and reliable.
[0062] In this embodiment, as Figure 6As shown in the figure, the linkage component 10 includes a support block 101 and a support seat 102. The support block 101 and the support seat 102 are snap-connected, and the support block 101 is rotatably connected to the first guide seat 9, and the support seat 102 is rotatably connected to the second guide seat 11. When the single-handed folding baby stroller is unlocked, the first guide seat 9, the support block 101, the support seat 102 and the second guide seat 11 are integrally linked, which is convenient to drive the second guide seat 11 to perform unlocking linkage when the first guide seat 9 moves downward in the reverse direction.
[0063] Embodiment 2
[0064] As Figures 10-15 As shown in the figure, the present invention provides a folding and unlocking structure for a folding baby stroller, which further includes a handle telescopic adjustment mechanism. When the user presses and touches the second unlocking member 4, the handle telescopic adjustment function is performed to meet the needs of different users for pushing the stroller. The handle telescopic adjustment mechanism includes a handle tube 18, a lifting inner tube 180 and a linkage tube 17. An unlocking box 5 is provided at the middle position of the handle tube 18. The lifting inner tube 180 is fixedly connected to both sides of the handle tube 18, and the lifting inner tube 180 is slidably connected to the linkage tube 17. When the handle tube 18 does not perform telescopic adjustment, the lifting inner tube 180 and the linkage tube 17 are kept relatively fixed; when the handle tube 18 performs telescopic adjustment, the lifting inner tube 180 can be pulled and adjusted along the inner cavity of the linkage tube 17 so as to adjust the telescopic length of the handle tube 18 to meet the use requirements.
[0065] During the moving and unlocking process of the second unlocking member 4, one end of another set of unlocking ropes 6 is connected to the lock seat 81 and the other end is connected to the rope reel 2, releasing the pressing linkage between the first unlocking member 1 and the rope reel 2. Move the second unlocking member 4 and press the rope reel 2 to rotate counterclockwise along the radial direction of the pillar 3. By rotating the rope reel 2, this set of unlocking ropes 6 is pulled into the unlocking state. This set of unlocking ropes 6 that rotates counterclockwise can drive the lock seat 81 to move upward. A snap tab 82 is rotatably installed on the lock seat 81. The snap tab 82 passes through the avoidance hole on the first groove box body 8 and is snap-connected to the card slot 181 opened on the lifting inner tube 180, thereby driving the snap tab 82 to move.
[0066] Among them, in the unlocking state of this set of unlocking ropes 6, the lock seat 81 moves along the traction direction of this set of unlocking ropes 6 and rotates the snap tab 82 to retract into the linkage tube 17, releasing the locking between the lifting inner tube 180 and the linkage tube 17. Pull the handle tube 18 by hand to move and adjust the lifting inner tube 180 along the length direction of the linkage tube 17, which is convenient to operate and has timely linkage response.
[0067] When this set of unlocking ropes 6 is in the unlocked state, a return spring 2 83 is provided in the slot box body 1 8 to press against the lock seat 81, and the lifting inner tube 180 is moved to the corresponding position of the buckle protrusion 82 and the lock hole 171 opened on the linkage tube 17. The buckle protrusion 82 rotates along the lock seat 81 and returns to the lock hole 171, so that the lifting inner tube 180 and the linkage tube 17 are relatively fixed, and the locking of the telescopic adjustment of the handlebar tube 18 can be completed.
[0068] In this embodiment, Figure 2 As shown, a return spring 300 is provided on the pillar 3 to press against the rope drum 2. When the pressing linkage between the first unlocking member 1 and the rope drum 2 is released, the rope drum 2 is pressed by the return spring 300 to move axially along the pillar 3 and reset. Even if the user accidentally touches the second unlocking member 4, the rope drum 2 is not in the unlocking position at this time, and the baby stroller will not be folded. After the rope drum 2 is reset, the handle tube 18 can be telescoped and adjusted.
[0069] In this embodiment, Figure 13 As shown, the second unlocking member 4 is a button box, and the open end surface of the button box is used to press the unlocking dial with the front protrusion 201 set on the rope drum 2. The user presses the button box, and the button box is respectively provided with a slider 400. The inner wall of the unlocking box 5 is provided with a slide groove 500 that is adapted to slide and connect with the slider 400, so that the button box is pressed into the unlocking box 5. At this time, the open end surface of the button box can press the front protrusion 201 set on the unlocking dial rope drum 2, so that the rope drum 2 rotates counterclockwise, thereby pulling the unlocking rope 6 to the unlocking state.
[0070] In this embodiment, Figure 7 and Figure 8 As shown, the slide rail tube 14 is provided with a slide hole 140 for slidingly connecting the linkage component 10, and the slide hole 140 facilitates the connection between the linkage component 10 and the guide seat 11 in the slide rail tube 14; the linkage tube 17 is provided with a slide hole 170 for slidingly connecting the linkage component 10, and the slide hole 170 facilitates the connection between the linkage component 10 and the guide seat 9 in the linkage tube 17, which is easy to operate.
[0071] In this embodiment, Figure 12 and Figures 14-15 As shown, the unlocking rope 6 is accommodated in the handle tube 18 and the lifting inner tube 180. The push handle tube and the lifting inner tube 180 provide protection for the unlocking rope 6, and can also prevent accidental unlocking caused by exposure to the outside.
[0072] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.
Claims
1. A folding and unlocking structure for a folding baby stroller. It is characterized in that include: A first unlocking member (1) and a second unlocking member (4) are respectively embedded in the unlocking box (5) and can be moved along the direction of embedding in the unlocking box (5), respectively, and the first unlocking member (1) is a sliding switch button; A rope drum (2) is arranged in the unlocking box (5) and sleeved on a mounting pillar (3), wherein the pillar (3) is fixedly mounted in the unlocking box (5); A set of unlocking ropes (6), one end of which is connected to a guide slide plate (7) and the other end of which is connected to the rope drum (2). When the first unlocking member (1) is moved and pressed against the rope drum (2) to move axially along the pillar (3) to unlock, the second unlocking member (4) is moved and pressed against the rope drum (2) to rotate clockwise along the radial direction of the pillar (3). By rotating the rope drum (2), the set of unlocking ropes (6) is pulled into an unlocking state; A guide seat (9) is linked to the guide slide (7), wherein the guide slide (7) is slidably connected in the slot box body (8), and the guide slide (7) moves along the pulling direction of the unlocking rope (6) and drives the guide seat (9) to move in the opposite direction; A second guide seat (11) is connected to the first guide seat (9) via a linkage assembly (10); an unlocking push block (110) is provided at one end of the second guide seat (11); an end of the unlocking push block (110) away from the second guide seat (11) is provided with an inclined unlocking surface; the linkage assembly (10) comprises a support block (101) and a support seat (102); the support block (101) and the support seat (102) are snap-connected; A lock tongue (120) is inserted and installed in the second slot box body (12); the lock tongue (120) is provided with an inclined sliding surface that contacts the inclined unlocking surface; the bottom end of the lock tongue (120) passes through the slide rail tube (14) and extends downward from the locking sliding seat (13); when unlocking, the unlocking push block (110) slides along the inner cavity of the second slot box body (12) and approaches the lock tongue (120), and presses and contacts the lock tongue (120) to lift and retract into the second slot box body (12), so as to release the lock between the lock tongue (120) and the sliding seat (13).
2. A folding unlocking structure for a foldable baby stroller according to claim 1, It is characterized in that The slide switch button is provided with a pressing plate (100) of an integral structure, and the pressing plate (100) is used to press against a guide protrusion (202) provided on the rope disc (2) to unlock and slide.
3. A folding unlocking structure for a foldable baby stroller according to claim 2, It is characterized in that The second unlocking member (4) is a button box, and the open end surface of the button box is used to press against a back protrusion (200) provided on the rope drum (2) to unlock and turn.
4. A folding unlocking structure for a foldable baby stroller according to claim 1, It is characterized in that One end of the guide seat one (9) is provided with an integrally structured guide sliding piece two (90). An inclined guide hole two (91) is formed in the guide sliding piece two (90). An inclined guide hole one (70) is formed in the guide sliding piece one (7). The inclined directions of the guide hole one (70) and the guide hole two (91) are arranged in opposite directions. The guide hole one (70) and the guide hole two (91) are connected by inserting a pin (80), and the pin (80) is fixedly installed in the groove box body one (8).
5. A folding and unlocking structure of a folding baby stroller according to claim 1, characterized in that, The support block (101) and the guide seat one (9) are rotatably connected, and the support (102) and the guide seat two (11) are rotatably connected.
6. A folding and unlocking structure of a folding baby stroller according to claim 5, characterized in that, It further includes a handle telescopic adjustment mechanism, and the handle telescopic adjustment mechanism includes: A handle tube (18), and the unlocking box (5) is arranged at the middle position; A lifting inner tube (180) is fixedly connected to both sides of the handle tube (18), and the lifting inner tube (180) is slidably connected in the linkage tube (17); Another set of unlocking ropes (6), one end is connected to the lock seat (81) and the other end is connected to the rope reel (2). Release the pressing linkage between the first unlocking member (1) and the rope reel (2), move the second unlocking member (4) and press the rope reel (2) to rotate counterclockwise along the radial direction of the pillar (3). By rotating the rope reel (2), this set of unlocking ropes (6) is pulled to the unlocking state; A buckle tab (82) is rotatably installed on the lock seat (81). The buckle tab (82) passes through the avoidance hole on the groove box body one (8) and is buckled and connected in the card slot (181) formed on the lifting inner tube (180); Among them, when this set of unlocking ropes (6) is in the unlocking state, the lock seat (81) moves along the traction direction of this set of unlocking ropes (6) and rotates the buckle tab (82) back to the inside of the linkage tube (17), releasing the locking between the lifting inner tube (180) and the linkage tube (17). Pull the handle tube (18) by hand to move and adjust the lifting inner tube (180) along the length direction of the linkage tube (17); When this set of unlocking ropes (6) is in the unlocked state, a second return spring (83) that presses against the lock seat (81) is arranged in the groove box body one (8). Move the lifting inner tube (180) to the position corresponding to the lock hole (171) formed on the linkage tube (17). The buckle tab (82) rotates back to the lock hole (171) along the lock seat (81), and the lifting inner tube (180) and the linkage tube (17) are relatively fixed.
7. A folding and unlocking structure of a folding baby stroller according to claim 6, characterized in that, The support column (3) is provided with a return spring (300) which presses against the rope drum (2). When the pressing linkage between the unlocking member (1) and the rope drum (2) is released, the return spring (300) presses against the rope drum (2) to move axially along the support column (3) and return to its original position.
8. A folding unlocking structure for a foldable baby stroller according to claim 7, It is characterized in that The second unlocking member (4) is a button box, and the open end surface of the button box is used to press against a front protrusion (201) provided on the rope drum (2) to unlock and turn.
9. The folding unlocking structure of a foldable baby stroller according to claim 6, It is characterized in that The slide rail tube (14) is provided with a first slide hole (140) for slidingly connecting the linkage component (10); and the linkage tube (17) is provided with a second slide hole (170) for slidingly connecting the linkage component (10).
10. The folding unlocking structure of a foldable baby stroller according to claim 6, It is characterized in that The unlocking rope (6) is accommodated in the handle tube (18) and the lifting inner tube (180).
Citation Information
Patent Citations
Folding unlocking structure of folding baby carriage
CN220243338U
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