Joint mechanism and infant product using same

Abstract

The utility model relates to the technical field of children products, in particular to a joint mechanism and an infant product using the joint mechanism, which comprises a first connecting piece and a second connecting piece which are pivoted with each other, and further comprises a third connecting piece which is pivoted with the first connecting piece or the second connecting piece, a first locking assembly for locking the first connecting piece and the second connecting piece is arranged between the first connecting piece and the second connecting piece, and a second locking assembly for locking the third connecting piece relative to the first connecting piece or the second connecting piece is correspondingly arranged between the third connecting piece and the first connecting piece or the second connecting piece. The joint mechanism further comprises a first unlocking assembly. By means of the first unlocking assembly, the locking state of the third connecting piece can be unlocked firstly, then the locking state between the first connecting piece and the second connecting piece is unlocked, one-key unlocking is achieved, the tedious unlocking step is omitted, the unlocking efficiency is improved, unlocking can be smoother through the successive unlocking mode, and the unlocking efficiency is improved. And the problem that the unlocking component is blocked is solved.

Description

Technical field

[0001] The utility model relates to the technical field of children's products, in particular to a joint mechanism and infant products using the joint mechanism. [Background Technology]

[0002] Children's products, such as child seats and child sleepers, often utilize adjustable joints to facilitate angle adjustment for comfort during use, or to facilitate folding and storage when not in use. For example, in seats, these joints connect the backrest, seat panel, and armrests, allowing for adjustment or folding of the entire seat. Alternatively, in child sleepers, they adjust the handles or connect the joints to the sunshade support frame for adjustment. They can also be used in other joints of child sleepers that require folding and adjustment.

[0003] For example, the folding seat pocket of a stroller and the folding stroller for children disclosed in application number “202220385360.8” require a similar structure for the folding seat pocket.

[0004] As described in paragraph

[0062] of the specification of the application, "The folding process of the child stroller is as follows: the backrest button and the traction rope are used to control the movement of the elastic lock member 151 to unlock the backrest lock mechanism, causing the backrest joint to rotate relative to the seat joint. During the rotation, the armrest lock mechanism is unlocked, thereby folding the armrest frame forward to the folded position. At this time, the elastic lock member 151 is further controlled to move to unlock the seat lock mechanism, so that the backrest joint and the seat joint are synchronously folded relative to the base joint."

[0005] From the above, it can be seen that when unlocking the armrest mechanism, the application requires unlocking the armrest after unlocking the backrest and during the process of folding the backrest. There is no function to unlock the armrest separately. If the armrest only needs to be unlocked for adjustment or folding, it will be inconvenient for users to use.

[0006] In view of the above technical problems, the present invention is specially studied and proposed. [Utility Model Content]

[0007] In order to solve the above technical problems, the present invention includes a joint mechanism 200, which includes a first connecting member 1 and a second connecting member 2 pivotally connected to each other, and also includes a third connecting member 3 pivotally connected to the first connecting member 1 or the second connecting member 2, a first locking component 4 is provided between the first connecting member 1 and the second connecting member 2 to lock the two, and a second locking component 5 is correspondingly provided between the third connecting member 3 and the first connecting member 1 or the second connecting member 2 to lock the third connecting member 3 relative to the first connecting member 1 or the second connecting member 2; the joint mechanism 200 also includes a first unlocking component 6, the second locking component 5 is linked to the first unlocking component 6 and the first locking component 4, and the first unlocking component 6 is configured to first release the lock of the third connecting member 3 by the second locking component 5, and then release the lock between the first connecting member 1 and the second connecting member 2 by the first locking component 4.

[0008] In the joint mechanism 200 as described above, the first locking assembly 4 includes a chuck 40 for locking the first connecting member 1 relative to the second connecting member 2;

[0009] The second locking assembly 5 includes a locking block 50 for locking the third connecting member 3 relative to the first connecting member 1 and capable of acting on the chuck 40 to move axially away from the first connecting member 1;

[0010] The first unlocking assembly 6 includes a driving member 60 that can drive the locking block 50 to move axially to unlock the third connecting member 3 , and further enables the locking block 50 to act on the chuck 40 to move axially to unlock the first connecting member 1 .

[0011] In the joint mechanism 200 described above, the minimum stroke of the locking block 50 to release the locking state of the third connecting member 3 by axial movement is L1, and the minimum stroke of the chuck 40 to release the locking state of the first connecting member 1 by axial movement is L2, so: L2>L1.

[0012] As described above, a joint mechanism 200 has a plurality of first inclined surfaces 61 formed on the driving member 60, and a plurality of second inclined surfaces 62 are provided on the end of the first connecting member 1 for abutting and cooperating with the first inclined surfaces 61 when the driving member 60 rotates, so that the driving member 60 moves axially and pushes the locking block 50 and the chuck 40 to release the locking state of the third connecting member 3 and the first connecting member 1 respectively.

[0013] In the joint mechanism 200 described above, the first locking assembly 4 further includes a first latching tooth 41 provided in the circumferential direction of the chuck 40, a first latching groove 42 formed on the first connecting member 1, and a first latching groove 43 formed on the second connecting member 2. An elastic member 44 is provided between the chuck 40 and the second connecting member 2 for elastically acting on the chuck 40 to keep the first latching tooth 41 simultaneously engaged in the first latching groove 42 and the second latching groove 43, thereby limiting the rotation of the first connecting member 1 relative to the second connecting member 2. The first unlocking assembly 6 is connected to the chuck 40 and can drive the chuck 40 to axially displace and compress the elastic member 44 to disengage the first latching tooth 41 from the first latching groove 42.

[0014] The second locking assembly 5 further includes a third latching groove 51 provided on the end of the third connecting member 3 and a limiting through hole 52 provided on the end of the first connecting member 1. One end of the locking block 50 abuts against the chuck 40. A limiting latching groove 53 is circumferentially provided inside the limiting through hole 52. The locking block 50 is provided with a second latching tooth 56 that can engage with both the third latching groove 51 and the limiting latching groove 53.

[0015] The first unlocking assembly 6 further includes a first unlocking member provided on the first connecting member 1 or the second connecting member 2 and a flexible linkage member 64 provided between the first unlocking member and the driving member 60 for pulling the driving member 60 to rotate.

[0016] In the joint mechanism 200 as described above, an unlocking linkage part 55 is provided on the locking block 50, and the two sides of the unlocking linkage part 55 are respectively abutted against the chuck 40 and the driving member 60, and when the driving member 60 rotates and generates axial movement, the unlocking linkage part 55 drives the locking block 50 and the abutting chuck 40 to move axially accordingly, thereby successively releasing the locking state of the third connecting member 3 and the first connecting member 1.

[0017] In the joint mechanism 200 as described above, the chuck 40 has a rotation groove 45 , and the unlocking linkage portion 55 is rotationally engaged with the rotation groove 45 .

[0018] In the joint mechanism 200 as described above, the third connecting member 3 is provided with a second unlocking component 7 for linking with the second locking component 5 to independently unlock the locked state of the third connecting member 3 .

[0019] In the joint mechanism 200 as described above, the second unlocking assembly 7 includes an unlocking button 70 movably provided on the third connecting member 3 for driving the locking block 50 to move axially to release the locked state of the third connecting member 3. A button reset member 71 is provided between the unlocking button 70 and the third connecting member 3. The button reset member 71 drives the locking block 50 to move axially to a maximum stroke of L3, and L3 <L2。

[0020] The present invention also provides an infant product using the above-mentioned joint mechanism 200 .

[0021] Compared with the prior art, the joint mechanism of the present invention and the infant product using the joint mechanism have the following advantages:

[0022] 1. The present application can link the first locking component and the second locking component through the first unlocking component, so that the locked state of the third connecting member can be unlocked first, and then the locked state between the first connecting member and the second connecting member can be unlocked with one button, which is convenient for users to operate, eliminates tedious unlocking steps, improves unlocking efficiency, and the sequential unlocking method can make unlocking smoother and prevent the problem of jamming of the unlocking components.

[0023] 2. The first unlocking component can also unlock the third connecting part separately, which meets the needs of users who only need to unlock one component separately, making it convenient for users to use.

[0024] 3. This application also provides a second unlocking component for unlocking the third connecting piece separately, which can also realize the unlocking function, greatly facilitating user operation.

[0025] 4. The children's products of the present application, by using the joint mechanism of the present application, such as when used in a children's sleeping box or seat, can facilitate users to adjust and store appliances.

Brief Description of the Drawings

[0026] The specific embodiments of the present invention are further described in detail below with reference to the accompanying drawings, wherein:

[0027] Figure 1 It is a structural diagram of the joint mechanism in the utility model.

[0028] Figure 2 It is a structural schematic diagram of the second connecting member in the utility model.

[0029] Figure 3 It is a schematic diagram of the exploded structure of the joint mechanism in the utility model.

[0030] Figure 4 This is another exploded structural diagram of the joint mechanism in the present invention.

[0031] Figure 5 It is a structural diagram of the locking block in the utility model.

[0032] Figure 6 It is a structural schematic diagram of the chuck being clamped into the first connecting piece in the utility model.

[0033] Figure 7 It is a structural diagram of the driving component in the utility model.

[0034] Figure 8 It is a structural schematic diagram of the second inclined surface in the utility model.

[0035] Figure 9 This is one of the structural diagrams of the joint mechanism of the utility model used in infant products.

[0036] Figure 10 This is the second structural diagram of the joint mechanism of the utility model used in infant products.

[0037] In the figure: 1, first connecting member; 2, second connecting member; 3, third connecting member;

[0038] 4. First locking assembly; 40. Chuck; 41. First latching tooth; 42. First latching slot; 43. Second latching slot; 44. Elastic member; 45. Rotation slot;

[0039] 5. Second locking assembly; 50. Locking block; 51. Third slot; 52. Position-limiting through hole; 53. Position-limiting slot; 55. Unlocking linkage; 56. Second slot;

[0040] 6. First unlocking assembly; 60. Driving member; 61. First inclined surface; 62. Second inclined surface; 64. Flexible linkage member;

[0041] 7. Second unlocking assembly; 70. Unlocking button; 71. Button reset member; 200. Joint mechanism. [Specific implementation method]

[0042] The following describes the embodiments of the present invention in detail with reference to the accompanying drawings.

[0043] like Figure 1-10 As shown, the utility model includes a joint mechanism 200, which includes a first connecting member 1 and a second connecting member 2 pivotally connected to each other, and also includes a third connecting member 3 pivotally connected to the first connecting member 1 or the second connecting member 2, a first locking component 4 is provided between the first connecting member 1 and the second connecting member 2 to lock the two, and a second locking component 5 is correspondingly provided between the third connecting member 3 and the first connecting member 1 or the second connecting member 2 to lock the third connecting member 3 relative to the first connecting member 1 or the second connecting member 2; the joint mechanism 200 also includes a first unlocking component 6, the second locking component 5 is linked to the first unlocking component 6 and the first locking component 4, and the first unlocking component 6 is configured to first release the lock of the third connecting member 3 by the second locking component 5, and then release the lock between the first connecting member 1 and the second connecting member 2 by the first locking component 4.

[0044] The present application can link the first locking component 4 and the second locking component 5 through the first unlocking component 6, so as to first unlock the locked state of the third connecting member 3, and then unlock the locked state between the first connecting member 1 and the second connecting member 2, so as to realize one-key operation to unlock the first connecting member 1 and the second connecting member 2, which is convenient for users to unlock, eliminates tedious unlocking steps, improves unlocking efficiency, and the sequential unlocking method can make unlocking smoother, and prevent the problem of jamming of unlocking components. In addition, the first unlocking component 6 can also unlock the third connecting member 3 separately, so as to meet the needs of users who only need to unlock one component separately.

[0045] View Figure 3-8 As a further solution of the present invention, the first locking assembly 4 includes a chuck 40 for locking the first connecting member 1 relative to the second connecting member 2.

[0046] The second locking assembly 5 includes a locking block 50 for locking the third connecting member 3 relative to the first connecting member 1 and capable of acting on the chuck 40 to move axially away from the first connecting member 1 .

[0047] The first unlocking component 6 includes a driving member 60 that can drive the locking block 50 to move axially to unlock the third connecting member 3, and then the locking block 50 acts on the chuck 40 to move axially to unlock the first connecting member 1. In this embodiment, the driving member 60 in the first unlocking component 6 drives the locking block 50, and then the locking block 50 acts on the chuck 40 to achieve a simultaneous unlocking action, so that the locking block 50 moves axially away from the third connecting member 3 and the chuck 40 moves axially away from the second connecting member 2, so that the locking state of the third connecting member 3 is released first and then the locking state of the first connecting member 1 is released, so that there can be better linkage and the unlocking is smoother.

[0048] View Figure 3-8 As a further embodiment of the present invention, the minimum travel distance for the locking block 50 to axially move and release the locked state of the third connecting member 3 is L1, and the minimum travel distance for the chuck 40 to axially move and release the locked state of the first connecting member 1 is L2. Therefore, L2>L1. Because the minimum travel distance L2 for the chuck 40 to axially move and release the locked state of the first connecting member 1 is greater than the minimum travel distance L1 for the locking block 50 to axially move and release the locked state of the third connecting member 3, when the locking block 50 unlocks the third connecting member 3, the first connecting member 1 is still locked relative to the second connecting member 2, thereby achieving the purpose of first unlocking the third connecting member 3 or independently unlocking the third connecting member 3. As needed, the customer can continue to unlock the first connecting member 1 using the first unlocking assembly 6, or stop the unlocking action and only unlock the third connecting member 3. In other words, the first unlocking assembly 6 can unlock the third connecting member 3 independently without affecting the locked state between the first connecting member 1 and the second connecting member 2.

[0049] View Figure 3-8 As a further embodiment of the present invention, the driving member 60 is formed with a plurality of first inclined surfaces 61, and the end of the first connecting member 1 is provided with a plurality of second inclined surfaces 62 that, when the driving member 60 rotates, abut against and cooperate with the first inclined surfaces 61, causing the driving member 60 to move axially, thereby pushing the locking block 50 and the chuck 40 to release the locked state of the third connecting member 3 and the first connecting member 1, respectively. In this embodiment, when the driving member 60 rotates, the first inclined surfaces 61 cooperate with the second inclined surfaces 62 to enable the driving member 60 to move axially, thereby pushing the locking block 50 and the chuck 40 to release the locked state of the third connecting member 3 and the first connecting member 1, respectively. The cooperation of the inclined surfaces makes the unlocking process smoother.

[0050] View Figure 3-8 As a further embodiment of the present invention, the first locking assembly 4 further includes a first latching tooth 41 disposed circumferentially on the chuck 40. A first latching groove 42 is formed on the first connecting member 1, and a second latching groove 43 is formed on the second connecting member 2. An elastic member 44 is disposed between the chuck 40 and the second connecting member 2 to elastically act on the chuck 40 so that the first latching tooth 41 remains simultaneously engaged in the first latching groove 42 and the second latching groove 43, thereby limiting the rotation of the first connecting member 1 relative to the second connecting member 2. The first unlocking assembly 6 is connected to the chuck 40 and can drive the chuck 40 to axially displace, thereby compressing the elastic member 44 to disengage the first latching tooth 41 from the first latching groove 42. The cooperation between the first latching tooth 41 and the first latching groove 42 and the second latching groove 43 can further securely lock the first connecting member 1 and the second connecting member 2. In this embodiment, the density of the first latching groove 42 and the corresponding second latching groove 43 can be set according to the adjustment requirements to adjust the adjustment range of the first connecting member 1. It should also be noted that the elastic member 44 can be a spring, a disc spring, or other similar component.

[0051] The second locking assembly 5 also includes a third slot 51 on the end of the third connector 3 and a stopper hole 52 on the end of the first connector 1. One end of the locking block 50 contacts the chuck 40. A stopper slot 53 is circumferentially defined within the stopper hole 52. The locking block 50 is equipped with a second latching tooth 56 that engages with both the third slot 51 and the stopper slot 53. Accordingly, the first connector 1 locks the third connector 3 through the engagement of the stopper slot 53 with the third slot 51 and the second latching tooth 56, further enhancing the secure locking. Similarly, the density of the stopper slot 53 and the third slot 51 can be adjusted as needed, thereby adjusting the adjustment range of the third connector 3.

[0052] View Figure 7The first unlocking assembly 6 further includes a first unlocking member provided on the first connecting member 1 or the second connecting member 2, and a flexible linkage member 64 provided between the first unlocking member and the driving member 60 for pulling the driving member 60 to rotate. It should be noted that the first unlocking member is not labeled in this application. The first unlocking member can be a resettable handle, or a component that can act on the driving member 60 to rotate through the flexible linkage member 64. The flexible linkage member 64 can be a steel rope, or other components that can replace the steel rope.

[0053] View Figure 3 As a further solution of the present invention, the locking block 50 is provided with an unlocking linkage portion 55. The two sides of the unlocking linkage portion 55 abut against the chuck 40 and the driving member 60 respectively. When the driving member 60 rotates and generates axial movement, the unlocking linkage portion 55 drives the locking block 50 and the abutting chuck 40 to move axially accordingly, thereby successively releasing the locked states of the third connecting member 3 and the first connecting member 1. By providing the unlocking linkage portion 55 to link the chuck 40 and the locking block 50, when the driving member 60 moves axially, the locking block 50 and the pressure plate 40 can be driven simultaneously to achieve a simultaneous movement effect. The unlocking linkage portion 55 can be provided in the circumferential direction of the locking block 50, and the driving member 60 is sleeved on the locking block 50. The end of the unlocking linkage portion 55 abuts against the chuck 40. In this way, when the unlocking linkage portion 55 is driven, the locking block 50 and the chuck 40 can be moved simultaneously. In addition, the unlocking linkage portion 55 may also be formed on the circumference of the locking block 50 so that the end of the locking block 50 abuts against the chuck 40 , which can also achieve the same effect.

[0054] Continue reading Figure 3 As a further aspect of the present invention, since the locking block 50 also rotates relative to the chuck 40 when the first connecting member 1 rotates, a rotation groove 45 is provided on the chuck 40 to rotate in conjunction with the unlocking linkage 55, allowing the first connecting member 1 to rotate more smoothly. Furthermore, the rotation groove 45 also serves to position and limit the unlocking linkage 55, allowing the first unlocking assembly 6 to unlock more smoothly and steadily.

[0055] See Figure 3 As a further solution of the present invention, in order to facilitate user operation, in this embodiment, a second unlocking component 7 is provided on the third connecting member 3 for linking the second locking component 5 to independently release the locked state of the third connecting member 3. The second unlocking component 7 can be used to unlock the third connecting member 3 independently, which greatly facilitates user operation.

[0056] A joint mechanism 200 as described above; the second unlocking component 7 includes an unlocking button 70 movably arranged on the third connecting member 3 for driving the locking block 50 to axially move to release the locking state of the third connecting member 3. A button resetting member 71 is arranged between the unlocking button 70 and the third connecting member 3. The maximum axial movement stroke of the locking block 50 driven by the button resetting member 71 is L3, and L3 < L2. The button resetting member 71 can be a spring, a disc spring or other components that can reset the unlocking button 70. A groove can be provided at the end of the third connecting member 3, and the button resetting member 71 is arranged in the groove. The unlocking button 70 directly or indirectly acts on the locking block 50 to drive the locking block 50 to axially displace.

[0057] The present utility model also provides a baby product using the above joint mechanism 200.

[0058] As Figure 9 shown, the baby product can be a crib support for a baby, and it is used in a crib support, such as in a folding joint structure.

[0059] As Figure 10 shown, the baby product can be a seat, and it is used in a seat joint, such as the folding manner of a seat board, a backrest and armrests.

[0060] In this embodiment, by using the joint mechanism of the present application, it is convenient for users to operate and facilitates users to adjust and store utensils.

Claims

1. A joint mechanism (200), comprising a first connecting member (1) and a second connecting member (2) pivotally connected to each other, and further comprising a third connecting member (3) pivotally connected to the first connecting member (1) or the second connecting member (2), characterized in that A first locking assembly (4) is provided between the first connecting member (1) and the second connecting member (2) for locking the two, and a second locking assembly (5) is provided between the third connecting member (3) and the first connecting member (1) or the second connecting member (2) for locking the third connecting member (3) relative to the first connecting member (1) or the second connecting member (2); the joint mechanism (200) further comprises a first unlocking assembly (6), the second locking assembly (5) is arranged in linkage with the first unlocking assembly (6) and the first locking assembly (4), and the first unlocking assembly (6) is configured to first release the lock of the third connecting member (3) by the second locking assembly (5) and then release the lock between the first connecting member (1) and the second connecting member (2) by the first locking assembly (4).

2. A joint mechanism (200) according to claim 1, characterized in that The first locking assembly (4) includes a chuck (40) for locking the first connecting member (1) relative to the second connecting member (2); The second locking assembly (5) comprises a locking block (50) for locking the third connecting member (3) relative to the first connecting member (1) and capable of acting on the chuck (40) to move axially away from the first connecting member (1); The first unlocking assembly (6) includes a driving member (60) that can drive the locking block (50) to move axially to unlock the third connecting member (3), thereby causing the locking block (50) to act on the chuck (40) to move axially to unlock the first connecting member (1).

3. A joint mechanism (200) according to claim 2, characterized in that The minimum stroke for the locking block (50) to move axially to release the locking state of the third connecting member (3) is L1, and the minimum stroke for the chuck (40) to move axially to release the locking state of the first connecting member (1) is L2, so: L2>L1.

4. A joint mechanism (200) according to claim 2 or 3, characterized in that A plurality of first inclined surfaces (61) are formed on the driving member (60), and a plurality of second inclined surfaces (62) are provided on the end of the first connecting member (1) for abutting and cooperating with the first inclined surfaces (61) when the driving member (60) rotates, so that the driving member (60) moves axially and pushes the locking block (50) and the chuck (40) to release the locking state of the third connecting member (3) and the first connecting member (1) respectively.

5. A joint mechanism (200) according to claim 2 or 3, characterized in that The first locking assembly (4) further comprises a first latching tooth (41) provided in the circumferential direction of the chuck (40), a first latching groove (42) formed on the first connecting member (1), a second latching groove (43) formed on the second connecting member (2), an elastic member (44) for elastically acting on the chuck (40) so as to keep the first latching tooth (41) locked in the first latching groove (42) and the second latching groove (43) and to limit the rotation of the first connecting member (1) relative to the second connecting member (2) is provided between the chuck (40) and the second connecting member (2), and the first unlocking assembly (6) is connected to the chuck (40) and can drive the chuck (40) to axially displace and compress the elastic member (44) so that the first latching tooth (41) is disengaged from the first latching groove (42); The second locking assembly (5) further comprises a third clamping groove (51) provided on the end of the third connecting member (3) and a limiting through hole (52) provided on the end of the first connecting member (1); one end side of the locking block (50) contacts the chuck (40); a limiting clamping groove (53) is provided on the inner side of the limiting through hole (52) along the circumferential direction; and a second clamping tooth (56) is provided on the locking block (50) that can be engaged with the third clamping groove (51) and the limiting clamping groove (53) at the same time; The first unlocking assembly (6) further comprises a first unlocking member provided on the first connecting member (1) or the second connecting member (2) and a flexible linkage member (64) provided between the first unlocking member and the driving member (60) for pulling the driving member (60) to rotate.

6. A joint mechanism (200) according to claim 2 or 3, characterized in that The locking block (50) is provided with an unlocking linkage portion (55), and the two sides of the unlocking linkage portion (55) are respectively in contact with the chuck (40) and the driving member (60), and when the driving member (60) rotates and generates axial movement, the unlocking linkage portion (55) drives the locking block (50) and the abutting chuck (40) to move axially accordingly, thereby successively releasing the locking states of the third connecting member (3) and the first connecting member (1).

7. A joint mechanism (200) according to claim 6, characterized in that The chuck (40) is provided with a rotation groove (45), and the unlocking linkage portion (55) is rotationally matched with the rotation groove (45).

8. A joint mechanism (200) according to claim 3, characterized in that The third connecting member (3) is provided with a second unlocking assembly (7) for linking with the second locking assembly (5) to independently release the locked state of the third connecting member (3).

9. A joint mechanism (200) according to claim 8, characterized in that The second unlocking assembly (7) comprises an unlocking button (70) movably arranged on the third connecting member (3) for driving the locking block (50) to move axially to release the locked state of the third connecting member (3); a button reset member (71) is provided between the unlocking button (70) and the third connecting member (3); the button reset member (71) drives the locking block (50) to move axially to a maximum stroke of L3, and L3 <L2。 10. A baby product, characterized in that A joint mechanism (200) as claimed in any one of claims 1 to 9 is used.

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