Unlocking mechanism for folding sleeping basket, folding sleeping basket and baby carriage
By designing a folding bassinet unlocking mechanism for strollers, which utilizes a combination of rotating parts and inclined surfaces to achieve automatic unlocking, the problem of existing stroller bassinet operations requiring multiple steps is solved, resulting in convenient and stable bassinet storage.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG JINHUA SNOWBABY BABY ITEMS MANUFACTURING CO LTD
- Filing Date
- 2025-05-30
- Publication Date
- 2026-05-05
AI Technical Summary
The existing stroller's folding bassinet requires two steps to operate, making storage inconvenient.
Design an unlocking mechanism for folding and retracting a sleeping basket. Through the relative rotation of the first, second, and third rotating parts, and the cooperation of the inclined plane and the push part, the locking part is automatically unlocked, simplifying the folding and retracting process of the cloak support and the upper frame.
It achieves convenient, stable, and reliable automatic unlocking of the bassinet, simplifies the operation process, extends its service life, and reduces wear and tear.
Smart Images
Figure CN224197814U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to children's transportation tools, and in particular to an unlocking mechanism for a folding bassinet, a folding bassinet, and a stroller. Background Technology
[0002] Some strollers on the market can be fitted with both child seats and bassinets to accommodate younger infants, making them popular with consumers. Most current folding bassinets have a canopy for sun and rain protection, but folding them down requires unlocking the canopy frame first, which is rather cumbersome. For example, in the invention patent application number 2024112926283, the canopy frame must be unlocked and folded down before the first and second upper frames can be folded together for storage. Utility Model Content
[0003] The technical problem to be solved by this utility model is to overcome the problem that the existing technology requires two steps to fold and fold the bassinet, which is not convenient for storage. The present invention provides an unlocking mechanism for folding and folding the bassinet, as well as the folding bassinet and stroller.
[0004] The present invention solves the above-mentioned technical problems through the following technical solution:
[0005] An unlocking mechanism for folding a bassinet includes: a first rotating member comprising a first body and a locking member, the first rotating member and the locking member rotating synchronously about an axial direction (X), the first body having a first slot, the locking member being configured to move along the axial direction (X) between a first position and a second position within the first slot, the locking member including a locking pin; and a second rotating member comprising a second body and a push block, the second rotating member and the push block rotating synchronously about an axial direction (X), the second body having a second slot and a locking groove, the push block having a pushing portion, the push block being configured to move along the axial direction (X) within the second slot. The inner axis (X) moves between the third and fourth positions, and the locking member abuts against the push block. In some specific embodiments, when the locking member is in the first position under the action of the elastic member, the locking pin is locked in the locking groove. The third rotating member is provided with an inclined surface, which cooperates with the push part. When the second rotating member and the third rotating member rotate relative to each other, the inclined surface contacts the push part tangentially and applies an axial (X) force to the push part, causing the push block to move from the third position to the fourth position along the axial (X), thereby pushing the locking member to move from the first position to the second position and disengage from the locking groove.
[0006] In this design, when the locking member is in the first position, the locking pin is engaged in the locking groove, preventing the locking member from rotating around the axial direction (X). Furthermore, since the first rotating member and the locking member rotate synchronously around the axial direction (X), the first groove and the locking member mutually restrict each other; when the locking member cannot rotate, the first rotating member also cannot rotate. When the second and third rotating members rotate relative to each other, the inclined surface makes tangential contact with the pushing part and applies an axial force (X) to the pushing part, causing the push block to move along the axial direction (X) from the third position to the fourth position. Because the locking member abuts against the push block, under the action of the push block, the locking member moves from the first position to the second position, disengaging from the locking groove. At this point, the locking member can rotate around the axial direction (X), meaning the first rotating member is unlocked and can rotate. The locking element of the first rotating component engages with the locking groove of the second rotating component to form a lock. The inclined surface of the third rotating component drives the push block to move axially, pushing the locking element out of the locking groove. Thus, the relative rotation of the second and third rotating components automatically unlocks the first rotating component, eliminating the need for separate operation of the first rotating component. The unlocking process is convenient, stable, and reliable. Furthermore, since the cape frame is connected to the first rotating component, the first upper frame is connected to the second rotating component, and the second upper frame is connected to the third rotating component, the locking element of the first rotating component engages with the locking groove of the second rotating component to form a lock. When the first and second upper frames are folded down, the inclined surface of the third rotating component drives the push block to move axially, pushing the locking element out of the locking groove. When the first and second upper frames are folded down, the cape frame automatically unlocks, eliminating the need for separate operation of the cape frame. The unlocking process is convenient, stable, and reliable.
[0007] Preferably, the number of locking pins is two or more, and the number of locking slots corresponds to the number of locking pins.
[0008] In this design, the cooperation between multiple locking pins and locking grooves distributes the force, reduces single-point wear, and extends service life. On the other hand, the sliding friction between the pushing part and the inclined surface is smoother.
[0009] Preferably, the inner wall of the second slot is provided with at least one guide portion, and the outer periphery of the push block is provided with a limiting groove that cooperates with the guide portion. The cooperation between the guide portion and the limiting groove restricts the push block from rotating around the axial direction (X).
[0010] In this design, the guide section and the limiting groove work together to constrain the movement trajectory of the push block, ensuring that the pushing section always remains in contact with the inclined surface, resulting in a simple structure.
[0011] Preferably, the inclined surface extends circumferentially along the rotation of the third rotating member, forming a gradually rising guide structure.
[0012] In this design, the circumferentially set gradually rising inclined plane converts rotational motion into translation, and the force transmission is continuous.
[0013] Preferably, the jacking part is provided with a contact surface that matches the inclined surface.
[0014] In this design, matching contact surfaces can increase the stress-bearing area and reduce localized wear.
[0015] Preferably, there are two inclined planes, and the number of jacking parts corresponds to the number of inclined planes.
[0016] In this design, the double inclined planes and double jacking sections are arranged symmetrically, resulting in a more stable structure.
[0017] Preferably, the unlocking mechanism for folding the bassinet also includes an unlocking button that can apply a force toward the second position to the locking member.
[0018] In this solution, when only the first rotating part needs to be unlocked, the locking part can be moved toward the second position by the force of the unlocking button, and the unlocking method can be freely selected.
[0019] Preferably, the unlocking mechanism for folding the bassinet also includes an elastic element, the unlocking button is connected to the locking element, and the elastic element is located on the side of the unlocking button facing the locking element, which can apply a reset force to the unlocking button to return the locking element to the first position.
[0020] In this design, the locking element is connected to the unlocking button. Pressing the unlocking button moves the locking element from the first position to the second position. The side of the unlocking button facing the locking element has an elastic element. When the pressing force is removed, the elastic element applies a force to the unlocking button, causing the locking element to return to the first position and achieve locking.
[0021] A folding bassinet includes a first upper frame, a second upper frame, a canopy support, and an unlocking mechanism for folding the bassinet. A stroller also includes the aforementioned folding bassinet.
[0022] In this design, during normal use of the stroller, the first and second upper frames are in a fully extended locked state. At this time, the locking element is in the first position, with the locking pin engaged in the locking groove, preventing the locking element from rotating around the axial direction (X). Furthermore, because the first groove and the locking element mutually restrict each other, the first rotating element cannot rotate when the locking element cannot rotate. When the second and third rotating elements rotate relative to each other, the inclined surface makes tangential contact with the pushing part and applies an axial force (X) to the pushing part, causing the pushing block to move from the third position to the fourth position along the axial direction (X). Because the locking element abuts against the pushing block, under the action of the pushing block, the locking element moves from the first position to the second position, disengaging from the locking groove. At this point, the locking element can rotate around the axial direction (X), meaning the first rotating element is unlocked and can rotate. Additionally, the canopy bracket is connected to the first rotating element, the first upper frame is connected to the second rotating element, and the second upper frame is connected to the third rotating element. The locking element of the first rotating component engages with the locking groove of the second rotating component to form a lock. When the first and second upper frames are folded down, the inclined surface of the third rotating component drives the push block to move axially, pushing the locking element out of the locking groove. When the first and second upper frames are folded down, the cape bracket is automatically unlocked, eliminating the need for separate operation of the cape bracket. The unlocking process is convenient, stable, and reliable. Attached Figure Description
[0023] Figure 1 This is an internal explosion diagram of an embodiment of the present invention.
[0024] Figure 2 This is a schematic diagram of the structure of the third rotating component in an embodiment of the present invention.
[0025] Figure 3 This is a schematic diagram of the locking component and push block according to an embodiment of the present utility model.
[0026] Figure 4 This is a schematic diagram of the structure of the first rotating component in an embodiment of the present utility model.
[0027] Figure 5 This is a schematic diagram of the locking member in the first position according to an embodiment of the present invention.
[0028] Figure 6 This is another structural schematic diagram of the locking member in the first position according to an embodiment of the present invention.
[0029] Figure 7 This is a schematic diagram of the locking member in the second position according to an embodiment of the present invention.
[0030] Figure 8 This is another structural schematic diagram of the locking member in the second position according to an embodiment of the present invention.
[0031] Figure 9This is a schematic diagram of the pusher block in the third position according to an embodiment of the present invention.
[0032] Figure 10 This is a schematic diagram of the pusher block located in the fourth position according to an embodiment of the present invention.
[0033] Figure 11 This is a schematic diagram of the structure of the second rotating component in an embodiment of the present invention.
[0034] Figure 12 This is a schematic diagram of the locking element and unlocking button in an embodiment of the present utility model.
[0035] Figure 13 This is a schematic diagram of the elastic element and the unlock button in an embodiment of the present invention.
[0036] Figure 14 This is a schematic diagram of the foldable sleeping basket structure according to an embodiment of the present invention.
[0037] Figure 15 This is another structural schematic diagram of the foldable sleeping basket according to an embodiment of the present utility model.
[0038] Figure 16 This is another structural schematic diagram of the foldable sleeping basket according to an embodiment of the present utility model.
[0039] Figure 17 This is another structural schematic diagram of the foldable sleeping basket according to an embodiment of the present utility model.
[0040] Explanation of reference numerals in the attached figures
[0041] First rotating component 1
[0042] First subject 11
[0043] First slot 111
[0044] Locking component 12
[0045] Locking pin section 121
[0046] Second rotating component 2
[0047] Second subject 21
[0048] Second card slot 211
[0049] Guiding Department 2111
[0050] Locking slot 212
[0051] Push block 22
[0052] jacking section 221
[0053] Limiting groove 222
[0054] Third rotating component 3
[0055] Incline 31
[0056] Unlock button 4
[0057] Elastic component 5
[0058] First upper frame 01
[0059] Second upper frame 02
[0060] Cloak Frame 03 Detailed Implementation
[0061] The present invention will be described more clearly and completely below with reference to the accompanying drawings, using a preferred embodiment.
[0062] like Figures 1-17 As shown, this utility model embodiment provides an unlocking mechanism for folding a sleeping basket, comprising: a first rotating member 1, which includes a first main body 11 and a locking member 12, the first rotating member 1 and the locking member 12 rotating synchronously about an axial direction (X), the first main body 11 being provided with a first slot 111, the locking member 12 being configured to move along the axial direction (X) between a first position and a second position within the first slot 111, the locking member 12 including a locking pin portion 121; and a second rotating member 2, which includes a second main body 21 and a push block 22, the second rotating member 2 and the push block 22 rotating synchronously about an axial direction (X), the second main body 21 being provided with a second slot 211 and a locking slot 212, the push block 22 being provided with a pushing portion 221, and the push block 22... Configured to move axially (X) between a third and a fourth position within the second slot 211, the locking member 12 abuts against the push block 22. When the locking member 12 is in the first position due to the force of the elastic member (not limited to the setting position and connection relationship of the elastic member 5 in this embodiment, as long as a force can be applied to the locking member 12 toward the first position), the locking pin 121 is engaged in the locking slot 212; the third rotating member 3 is provided with an inclined surface 31, which cooperates with the pushing part 221. When the second rotating member 2 and the third rotating member 3 rotate relative to each other, the inclined surface 31 contacts the pushing part 221 tangentially and applies an axial (X) force to the pushing part 221, causing the push block 22 to move axially (X) from the third position (see Figure 9 To the fourth position (see) Figure 10 The movement of the locking element 12, in turn, pushes the locking element 12 from the first position (see...) Figure 5 , 6 To the second position (see) Figure 7 , 8 Move out of locking slot 212.
[0063] In this embodiment, when the locking member 12 is in the first position, the locking pin 121 is engaged in the locking groove 212, and the locking member 12 cannot rotate around the axial direction (X). Furthermore, since the first rotating member 1 and the locking member 12 rotate synchronously around the axial direction (X), the first slot 111 and the locking member 12 mutually restrict each other; when the locking member 12 cannot rotate, the first rotating member 1 also cannot rotate. When the second rotating member 2 and the third rotating member 3 rotate relative to each other, the inclined surface 31 makes tangential contact with the pushing part 221 and applies an axial force (X) to the pushing part 221, causing the push block 22 to move along the axial direction (X) from the third position to the fourth position. Since the locking member 12 abuts against the push block 22, under the action of the push block 22, the locking member 12 moves from the first position to the second position and disengages from the locking groove 212. At this time, the locking member 12 can rotate around the axial direction (X), meaning the first rotating member 1 is unlocked and can rotate. The locking element 12 of the first rotating component 1 engages with the locking groove 212 of the second rotating component 2 to form a lock. The inclined surface 31 of the third rotating component 3 drives the push block 22 to move axially, pushing the locking element 12 out of the locking groove 212. That is, the relative rotation of the second rotating component 2 and the third rotating component 3 achieves automatic unlocking of the first rotating component 1, eliminating the need for separate operation of the first rotating component 1. The unlocking process is convenient, stable, and reliable. Furthermore, since the cloak bracket 03 is connected to the first rotating component 1, the first upper frame 01 is connected to the second rotating component 2, and the second upper frame 02 is connected to the third rotating component 3, the locking element 12 of the first rotating component 1 engages with the locking groove 212 of the second rotating component 2 to form a lock. When the first upper frame 01 and the second upper frame 02 are folded down, the inclined surface 31 of the third rotating component 3 drives the push block 22 to move axially, pushing the locking element 12 out of the locking groove 212. (See also...) Figures 15-16 When the first upper frame 01 and the second upper frame 02 are folded down, the cloak support 03 is automatically unlocked, eliminating the need for separate operation of the cloak support. The unlocking process is convenient, stable and reliable.
[0064] like Figure 3 and Figure 7 As shown, in a preferred embodiment, there are four locking pins 121, and the number of locking slots 212 corresponds to the number of locking pins 121, which is also four.
[0065] In this embodiment, the engagement of the four locking pins 121 with the locking grooves 212 distributes the force, reduces single-point wear, and extends service life.
[0066] like Figure 1 and Figure 11 As shown, in a preferred embodiment, the inner wall of the second slot 211 is provided with four guide portions 2111, and the outer periphery of the push block 22 is provided with a limiting groove 222 that cooperates with the guide portions 2111. The cooperation between the guide portions 2111 and the limiting groove 222 restricts the push block 22 from rotating around the axial direction (X).
[0067] In this embodiment, the cooperation between the guide part 2111 and the limiting groove 222 constrains the movement trajectory of the push block 22, ensuring that the push part 221 always keeps in contact with the inclined surface 31, resulting in a simple structure.
[0068] As a preferred embodiment, the inclined surface 31 extends circumferentially along the rotation of the third rotating member 3 to form a gradually rising guide structure.
[0069] In this embodiment, the circumferentially arranged gradually rising inclined surface 31 converts rotational motion into translation, and the force transmission is continuous.
[0070] like Figures 1-3 As shown, in a preferred embodiment, the pusher portion 221 is provided with a contact surface that matches the inclined surface 31.
[0071] In this embodiment, the matching contact surface can increase the force-bearing area and reduce local wear, and the sliding friction between the push part 221 and the inclined surface 31 is smoother.
[0072] In a preferred embodiment, there are two inclined surfaces 31, and the number of pushing parts 221 corresponds to the number of inclined surfaces 31.
[0073] In this embodiment, the double inclined surfaces 31 and the double jacking parts 221 are arranged symmetrically, resulting in a more stable structure.
[0074] In a preferred embodiment, the unlocking mechanism for folding the bassinet also includes an unlocking button 4, which can apply a force toward the second position to the locking member 12.
[0075] In this embodiment, as Figure 17 As shown, when only the first rotating part 1 needs to be unlocked, the locking part 12 can be moved toward the second position by the force of the unlocking button 4, and the unlocking method can be freely selected.
[0076] like Figures 12-13 As shown, in a preferred embodiment, the unlocking mechanism for folding the sleeping basket also includes an elastic element 5. The unlocking button 4 and the locking element 12 are fixedly connected by an interference fit. The elastic element 5 is located on the side of the unlocking button 4 facing the locking element 12, and can apply a reset force to the unlocking button 4 to make the locking element 12 return to the first position.
[0077] In this embodiment, the locking member 12 is fixedly connected to the unlocking button 4. Pressing the unlocking button 4 can move the locking member 12 from the first position to the second position. An elastic member 5 is provided on the side of the unlocking button 4 facing the locking member 12. When the pressing force disappears, the elastic member 5 will apply a force to the unlocking button 4 to make the locking member 12 return to the first position to achieve locking.
[0078] This embodiment also provides a folding bassinet, including a first upper frame 01, a second upper frame 02, a canopy support 03, and an unlocking mechanism for folding the bassinet. It also includes a stroller comprising the aforementioned folding bassinet.
[0079] In this embodiment, during normal use, the first upper frame 01 and the second upper frame 02 of the folding basket are in an extended locked state. At this time, the locking member 12 is in the first position, and the locking pin 121 is engaged in the locking groove 212, preventing the locking member 12 from rotating around the axial direction (X). Furthermore, since the first slot 111 and the locking member 12 mutually restrict each other, the first rotating member 1 cannot rotate when the locking member 12 cannot rotate. When the second rotating member 2 and the third rotating member 3 rotate relative to each other, the inclined surface 31 makes tangential contact with the pushing part 221 and applies an axial (X) force to the pushing part 221, causing the pushing block 22 to move along the axial direction (X) from the third position to the fourth position. Because the locking member 12 abuts against the pushing block 22, under the action of the pushing block 22, the locking member 12 moves from the first position to the second position and disengages from the locking groove 212. At this time, the locking member 12 can rotate around the axial direction (X), meaning the first rotating member 1 is unlocked and can rotate. Furthermore, since the cape bracket 03 is connected to the first rotating component 1, the first upper frame 01 is connected to the second rotating component 2, and the second upper frame 02 is connected to the third rotating component 3, the locking component 12 of the first rotating component 1 and the locking groove 212 of the second rotating component 2 cooperate to form a lock. When the first upper frame 01 and the second upper frame 02 are folded down, the inclined surface 31 of the third rotating component 3 drives the push block 22 to move axially, pushing the locking component 12 out of the locking groove 212. When the first upper frame 01 and the second upper frame 02 are folded down, the cape bracket 03 is automatically unlocked, eliminating the need for separate operation of the cape bracket 03. The unlocking process is convenient, stable, and reliable.
[0080] While specific embodiments of this utility model have been described above, those skilled in the art should understand that these are merely illustrative examples, and the scope of protection of this utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of this utility model, but all such changes and modifications fall within the scope of protection of this utility model.
Claims
1. An unlocking mechanism for folding and collapsing a sleeping basket, characterized in that, The unlocking mechanism for folding the bassinet includes: A first rotating member, comprising a first body and a locking member, the first rotating member and the locking member rotating synchronously about an axis (X), the first body being provided with a first slot, the locking member being configured to move within the first slot along the axis (X) between a first position and a second position, the locking member including a locking pin; The second rotating component includes a second main body and a push block. The second rotating component rotates synchronously with the push block about an axial direction (X). The second main body is provided with a second slot and a locking slot. The push block is provided with a pushing part. The push block is configured to move along the axial direction (X) between a third position and a fourth position within the second slot. The locking component abuts against the push block. When the locking component is in the first position, the locking pin is engaged in the locking slot. The third rotating component has an inclined surface that cooperates with the pushing part. When the second rotating component and the third rotating component rotate relative to each other, the inclined surface makes tangential contact with the pushing part and applies an axial (X) force to the pushing part, causing the push block to move from the third position to the fourth position along the axial (X) direction, thereby pushing the locking component to move from the first position to the second position and disengage from the locking groove.
2. The unlocking mechanism for folding and collapsing a sleeping basket as described in claim 1, characterized in that, The number of locking pins is two or more, and the number of locking slots corresponds to the number of locking pins.
3. The unlocking mechanism for folding and collapsing a sleeping basket as described in claim 1, characterized in that, The inner wall of the second slot is provided with at least one guide portion, and the outer periphery of the push block is provided with a limiting groove that cooperates with the guide portion. The cooperation between the guide portion and the limiting groove restricts the push block from rotating around the axis (X).
4. The unlocking mechanism for folding and collapsing a sleeping basket as described in claim 1, characterized in that, The inclined surface extends circumferentially along the rotation of the third rotating member, forming a gradually rising guide structure.
5. The unlocking mechanism for folding and collapsing a sleeping basket as described in claim 4, characterized in that, The jacking part is provided with a contact surface that matches the inclined surface.
6. The unlocking mechanism for folding and collapsing a sleeping basket as described in claim 4 or 5, characterized in that, The number of inclined surfaces is two or more, and the number of pushing parts corresponds to the number of inclined surfaces.
7. The unlocking mechanism for folding and collapsing a sleeping basket as described in claim 1, characterized in that, The unlocking mechanism for folding the bassinet also includes an unlocking button that can apply a force toward the second position to the locking member.
8. The unlocking mechanism for folding and collapsing a sleeping basket as described in claim 7, characterized in that, The unlocking mechanism for folding the bassinet also includes an elastic element that can apply a force toward the locking element towards a first position.
9. The unlocking mechanism for folding and collapsing a sleeping basket as described in claim 8, characterized in that, The unlock button is connected to the locking member, and the elastic member is disposed on the side of the unlock button facing the locking member, which can apply a reset force to the unlock button to make the locking member return to the first position.
10. A folding sleeping basket, characterized in that, The folding basket includes a first upper frame, a second upper frame, a cloak support, and an unlocking mechanism for folding the basket as described in any one of claims 1-9. The cloak support is connected to the first rotating member, the first upper frame is connected to the second rotating member, and the second upper frame is connected to the third rotating member.
11. A baby stroller, characterized in that, The stroller includes the folding bassinet as described in claim 10.