Handrail linkage mechanism and stroller frame

Abstract

According to the armrest linkage mechanism and the stroller frame, the lower end of an armrest linkage rod is rotatably connected with a frame linkage assembly, and the middle of the armrest linkage rod is slidably and rotatably connected with the upper portion of a front foot rod or the upper portion of a rear foot rod or the lower portion of a push rod; the handrail assembly can be correspondingly folded and unfolded along with the folding and unfolding action of the stroller frame through the handrail linkage rod, a user does not need to additionally operate the handrail assembly to fold or unfold, and the folding and unfolding device has the advantages of being convenient to fold and unfold, convenient to operate and simple in structure.

Description

[Technical field]

[0001] The utility model relates to the technical field of baby strollers, in particular to an armrest linkage mechanism and a baby stroller frame. [Background technology]

[0002] At present, when a child stroller is folded or unfolded, the user is usually required to manually operate the armrest assembly to fold or unfold the stroller, that is, the armrest assembly cannot be folded or unfolded accordingly with the folding and unfolding action of the entire stroller, resulting in the problem of numerous folding and unfolding steps and inconvenient operation.

[0003] In addition, during the folding process of some child strollers, it is usually necessary to first remove the armrest assembly from the entire stroller before the entire stroller can be folded, which causes the problem of inconvenience in folding.

[0004] In addition, some child strollers are equipped with an armrest linkage mechanism so that the armrest assembly can be folded and extended accordingly with the folding and extension of the entire stroller, but the armrest linkage mechanism has a complex structure.

[0005] For this reason, the present invention is studied and proposed in view of the above-mentioned problems. [Contents of the utility model]

[0006] The utility model aims to overcome the deficiencies of the prior art and provides an armrest linkage mechanism and a child stroller frame, wherein the lower end of an armrest linkage rod is rotatably connected to a frame linkage assembly, and the middle portion of the armrest linkage rod is slidably and rotatably connected to an upper portion of a front foot rod or an upper portion of a rear foot rod or a lower portion of a push rod, so that the armrest assembly can follow the retraction and extension action of the child stroller frame and perform a corresponding retraction and extension action through the armrest linkage rod, and has the characteristics of convenient retraction and extension, easy operation and simple structure.

[0007] The utility model is realized by the following technical solutions:

[0008] The utility model provides an armrest linkage mechanism, which is applied to a child stroller frame that can be switched between an expanded state and a folded state. The child stroller frame includes a front foot rod 110, a rear foot rod 120, a push rod 130 and a frame linkage assembly 140. The upper ends of the front foot rod 110, the upper ends of the rear foot rod 120 and the lower ends of the push rod 130 are rotatably connected to each other. The frame linkage assembly 140 is configured to link the front foot rod 110 and the rear foot rod 120 to corresponding folding actions when the push rod 130 switches from the expanded state to the folded state; the armrest linkage mechanism includes an armrest assembly 1 and an armrest linkage rod 2 connected to the armrest assembly 1, the lower end of the armrest linkage rod 2 extends backwards and is rotatably connected to the frame linkage assembly 140, and the middle portion of the armrest linkage rod 2 is slidably and rotatably connected to the upper portion of the front foot rod 110 or the upper portion of the rear foot rod 120 or the lower portion of the push rod 130.

[0009] In the armrest linkage mechanism as described above, the armrest linkage rod 2 is slidably provided with an armrest sleeve 3, and the armrest sleeve 3 is rotatably connected to the upper part of the front foot rod 110 or the upper part of the rear foot rod 120 or the lower part of the push rod 130.

[0010] In the armrest linkage mechanism as described above, the upper end of the armrest linkage rod 2 is provided with an armrest connecting seat, and the corresponding end of the armrest assembly 1 is provided with an armrest connecting portion detachably connected to the armrest connecting seat.

[0011] In the armrest linkage mechanism as described above, the armrest assembly 1 includes an armrest connecting section 11 whose lower end is connected to the upper end of the armrest linkage rod 2 , and the upper ends of the two armrest connecting sections 11 are movably connected via an armrest grasping section 12 .

[0012] In the armrest linkage mechanism as described above, the corresponding end of the armrest grasping section 12 is rotatably connected to the upper end of the armrest connecting section 11.

[0013] In the armrest linkage mechanism as described above, the armrest assembly 1 is configured to be arranged upward when the child stroller frame is in a standing state so as to be lifted by the user.

[0014] The utility model also provides a child stroller frame, comprising a frame body, wherein the frame body comprises the armrest linkage mechanism as described above.

[0015] In the child stroller frame as described above, the frame body is configured to be foldable in the longitudinal direction.

[0016] In the above-mentioned child stroller frame, the frame body is configured to be foldable in the transverse direction.

[0017] Compared with the prior art, the utility model has the following advantages:

[0018] 1. The utility model rotatably connects the lower end of the armrest linkage rod with the frame linkage assembly, and the middle part of the armrest linkage rod is slidably and rotatably connected with the upper part of the front foot rod or the upper part of the rear foot rod or the lower part of the push rod. The armrest assembly can follow the retraction and extension movement of the child stroller frame through the armrest linkage rod and perform corresponding retraction and extension movements. The user does not need to operate the armrest assembly to fold or unfold it separately, and the utility model has the characteristics of convenient retraction and extension, easy operation and simple structure.

[0019] 2. In the present invention, the armrest linkage rod and the armrest sliding sleeve are slidably matched, so that the armrest sliding sleeve can guide the sliding path of the armrest linkage rod, thereby ensuring that the armrest linkage rod can be folded or unfolded smoothly, thereby improving the smoothness of folding and unfolding.

[0020] 3. According to the utility model, after the whole vehicle is folded, the armrest assembly can be disassembled from the armrest linkage rod, so that the whole vehicle and the armrest assembly can be separately packaged or stored, etc., without increasing the packaging volume of the whole vehicle.

[0021] 4. In order to facilitate users to lift, the armrest assembly is configured to be arranged upward when the child stroller frame is in a standing state so that users can lift.

Brief Description of the Drawings

[0022] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings, wherein:

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of Example 1 of the child stroller frame of the utility model.

[0024] Figure 2 It is a side structural schematic diagram of Example 1 of the child stroller frame of the utility model when it is in an unfolded state.

[0025] Figure 3 This is one of the side structural schematic diagrams of Example 1 of the child stroller frame of the utility model in the folding process.

[0026] Figure 4 This is the second side structural schematic diagram of the embodiment 1 of the child stroller frame of the utility model in the folding process.

[0027] Figure 5 It is a side structural schematic diagram of Example 1 of the child stroller frame of the utility model when it is in a folded state.

[0028] Figure 6 It is a side structural schematic diagram of Example 1 of the child stroller frame of the utility model when it is in a folded state and the armrest assembly is disassembled.

[0029] Figure 7 It is a front view structural schematic diagram of Example 1 of the child stroller frame of the utility model when it is in a folded state.

[0030] Figure 8 It is a schematic diagram of the exploded structure of Example 1 of the child stroller frame of the utility model.

[0031] Fig. 9 This is one of the exploded structural schematic diagrams of the handrail linkage mechanism of the utility model.

[0032] Fig.10 This is the second schematic diagram of the exploded structure of the handrail linkage mechanism of the utility model.

[0033] Fig.11 It is a schematic diagram of the three-dimensional structure of Example 2 of the child stroller frame of the utility model.

[0034] Fig.12 It is a front view structural schematic diagram of Example 2 of the child stroller frame of the utility model in the folding process.

[0035] Fig.13 It is a front view structural schematic diagram of Example 2 of the child stroller frame of the utility model when it is in a folded state. [Specific implementation method]

[0036] The implementation modes of the present utility model are described in detail below in conjunction with the accompanying drawings.

[0037] like Figure 1 , 9 As shown in Figures 10 and 11, the utility model provides an armrest linkage mechanism, which is applied to a child stroller frame that can be switched between an expanded state and a folded state. The child stroller frame includes a front foot rod 110, a rear foot rod 120, a push rod 130, and a frame linkage assembly 140. The upper end of the front foot rod 110, the upper end of the rear foot rod 120, and the lower end of the push rod 130 are rotatably connected to each other. The frame linkage assembly 140 is configured to link the front foot rod 110 and the rear foot rod 120 to corresponding folding actions when the push rod 130 switches from the expanded state to the folded state. The armrest linkage mechanism includes an armrest assembly 1 and an armrest linkage rod 2 connected to the armrest assembly 1. The lower end of the armrest linkage rod 2 extends backward and is rotatably connected to the frame linkage assembly 140. The middle portion of the armrest linkage rod 2 is slidably and rotatably connected to the upper portion of the front foot rod 110, the upper portion of the rear foot rod 120, or the lower portion of the push rod 130. The utility model realizes that the lower end of the armrest linkage rod is rotatably connected to the frame linkage assembly, and the middle part of the armrest linkage rod is slidably and rotatably connected to the upper part of the front foot rod or the upper part of the rear foot rod or the lower part of the push rod. Therefore, the armrest assembly can follow the retraction and extension movement of the child stroller frame and perform the retraction and extension movement accordingly through the armrest linkage rod, and the user does not need to operate the retraction or extension of the armrest assembly separately. The utility model has the characteristics of convenient retraction and extension, easy operation and simple structure.

[0038] The armrest sleeve 3 is slidably sleeved on the armrest linkage rod 2, so that the armrest sleeve can guide the sliding path of the armrest linkage rod, ensuring that the armrest linkage rod can be folded or unfolded smoothly, thereby improving the smoothness of folding and unfolding. The armrest sleeve 3 is rotatably connected to the upper part of the front foot rod 110 or the upper part of the rear foot rod 120 or the lower part of the push rod 130.

[0039] like Fig. 9 , 10As shown, the armrest assembly 1 is detachably connected to the armrest linkage rod 2. For example, the upper end of the armrest linkage rod 2 has an armrest connecting seat, and the corresponding end of the armrest assembly 1 has an armrest connecting portion detachably connected to the armrest connecting seat. Among them, after the whole vehicle is folded, the armrest assembly can be removed from the armrest linkage rod, and the whole vehicle and the armrest assembly can be separated for packaging or storage, etc., without increasing the packaging volume of the whole vehicle. Furthermore, the disassembly structure between the armrest assembly 1 and the armrest linkage rod 2 includes but is not limited to a plug-in cavity provided on the armrest connecting seat for plugging in the armrest connecting portion, an armrest locking hole is provided on the side wall of the plug-in cavity, and the armrest connecting portion can be elastically provided with an armrest locking spring bean for inserting into the armrest locking hole when the armrest connecting portion is inserted into the plug-in cavity, such as Fig. 9 , 10 shown.

[0040] like Fig.10 As shown, in order to fold more compactly and adapt to the lateral folding operation of the whole vehicle, the armrest assembly 1 includes an armrest connecting section 11 whose lower end is connected to the upper end of the armrest linkage rod 2, and the upper ends of the two armrest connecting sections 11 are movably connected through an armrest grasping section 12. Furthermore, the corresponding end of the armrest grasping section 12 is rotatably connected to the upper end of the armrest connecting section 11.

[0041] like Figure 5 , 12 As shown, in order to facilitate the user to lift, the armrest assembly 1 is configured to be arranged upward when the child stroller frame is in a standing state for the user to lift. In this embodiment, when the child stroller frame is in a standing state, the armrest linkage rod 2 is arranged upward so that the armrest assembly 1 is located above the entire stroller after folding.

[0042] like Figure 1-10 As shown, the utility model provides a child stroller frame, comprising a frame body that can be folded longitudinally, and the frame body comprises an armrest linkage mechanism as described above.

[0043] The child stroller frame of the present embodiment 1 includes a front foot rod 110, a rear foot rod 120, a push rod 130, a frame linkage assembly 140, a frame locking mechanism and a frame unlocking mechanism;

[0044] The upper end of the front foot rod 110 and the upper end of the rear foot rod 120 are pivotally connected via a pivot axis A;

[0045] The lower end of the push rod 130 is pivotally connected to the upper end of the rear foot rod 120 via a pivot axis B;

[0046] The frame linkage assembly 140 includes a push rod slide 143, a rear linkage rod 141 and a front linkage rod 142;

[0047] The push rod sliding member 143 is slidably disposed on the push rod 130;

[0048] The upper end of the rear linkage rod 141 is rotatably connected to the push rod sliding member 143, the middle part of the rear linkage rod 141 is pivotally connected to the upper part of the rear foot rod 120 via a pivot axis C, the lower end of the armrest linkage rod 2 is rotatably connected to the rear linkage rod 141, and the middle part of the armrest linkage rod 2 is slidably and rotatably connected to the lower part of the push rod 130;

[0049] The front end of the front linkage rod 142 is rotatably connected to the front foot rod 110, and the rear end of the front linkage rod 142 is rotatably connected to the lower end of the rear linkage rod 141;

[0050] The frame locking mechanism is located between the push rod sliding member 143 and the push rod 130 to lock the push rod sliding member 143 relative to the push rod 130;

[0051] The frame unlocking mechanism is located on the push rod 130 and is used to link the unlocking action of the frame locking mechanism to release the locking state of the push rod sliding member 143 relative to the push rod 130.

[0052] In addition, the specific structure of the stroller frame of the present embodiment 1 can also be referred to: a stroller frame that is easy to fold and fold with application number 2024205915913 submitted by the present applicant on 2024-03-25.

[0053] like Figure 11-13 As shown, the utility model provides a child stroller frame, including a frame body that can be folded longitudinally and transversely, and the frame body includes an armrest linkage mechanism as described above. The specific structure of the child stroller frame of this embodiment 2 can be found in: A twice-foldable baby stroller frame filed by the present applicant on 2024-01-02 with application number CN202410011950.8.

Claims

1. An armrest linkage mechanism, the armrest linkage mechanism being applied to a child stroller frame that can be switched between an unfolded state and a folded state, the child stroller frame comprising a front foot rod (110), a rear foot rod (120), a push rod (130) and a frame linkage assembly (140), the upper end of the front foot rod (110), the upper end of the rear foot rod (120) and the lower end of the push rod (130) being rotatably connected to each other, the frame linkage assembly (140) being configured to link the front foot rod (110) and the rear foot rod (120) to corresponding folding actions when the push rod (130) is switched from the unfolded state to the folded state; Features The armrest linkage mechanism comprises an armrest assembly (1) and an armrest linkage rod (2) connected to the armrest assembly (1); the lower end of the armrest linkage rod (2) extends backward and is rotatably connected to the frame linkage assembly (140); the middle part of the armrest linkage rod (2) is slidably and rotatably connected to the upper part of the front foot rod (110) or the upper part of the rear foot rod (120) or the lower part of the push rod (130).

2. The armrest linkage mechanism according to claim 1, characterized in that The armrest linkage rod (2) is slidably sleeved with an armrest sleeve (3), and the armrest sleeve (3) is rotatably connected to the upper part of the front foot rod (110) or the upper part of the rear foot rod (120) or the lower part of the push rod (130).

3. The armrest linkage mechanism according to claim 1, characterized in that The upper end of the armrest linkage rod (2) is provided with an armrest connection seat, and the corresponding end of the armrest assembly (1) is provided with an armrest connection portion which is detachably connected to the armrest connection seat.

4. An armrest linkage mechanism according to any one of claims 1 to 3, characterized in that The armrest assembly (1) comprises an armrest connecting section (11) whose lower end is connected to the upper end of an armrest linkage rod (2), and the upper ends of the two armrest connecting sections (11) are movably connected via an armrest grasping section (12).

5. The armrest linkage mechanism according to claim 4, characterized in that The corresponding end of the handrail grasping section (12) is rotatably connected to the upper end of the handrail connecting section (11).

6. The armrest linkage mechanism according to claim 1, characterized in that The armrest assembly (1) is configured to be arranged upwards when the child stroller frame is in a standing state so as to be lifted by the user.

7. A child stroller frame, characterized in that The vehicle comprises a frame body, wherein the frame body comprises an armrest linkage mechanism as claimed in any one of claims 1 to 6.

8. A child stroller frame according to claim 7, characterized in that The frame body is configured to be foldable in the longitudinal direction.

9. A child stroller frame according to claim 8, characterized in that The frame body is configured to be foldable in a transverse direction.

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