Quick detaching and orienting mechanism for front wheel seat of baby carriage

By designing the quick disassembly and orientation mechanism of the front wheel seat of the stroller, the problem of inconvenience in replacement of the existing stroller's front wheel is solved, and the rapid disassembly and adjustment of the front wheel is achieved, which improves the practicality of the stroller.

CN222905638UActive Publication Date: 2025-05-27HEBEI BAOLAIXI CHILDRENS PROD CO LTD
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Patent Information

Application Number
CN202421939686.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-12
Publication Date
2025-05-27
Estimated Expiration
2034-08-12

AI Technical Summary

Technical Problem

The front wheel of the existing stroller is inconvenient to replace after it is damaged, resulting in the entire stroller being unusable. It requires tools to be disassembled during replacement, which is laborious.

Method used

A quick-removal and orientation mechanism for the front wheel seat of a stroller is designed, including a mounting base and a front wheel connecting seat. The front wheel connecting seat is removably connected to the mounting base. Through the cooperation of the locking column, locking plate and spring, the front wheel is easily removed and orientation function is achieved.

Benefits of technology

The front wheel is quickly disassembled and adjusted, and the front wheel can be turned into a directional wheel or universal wheel at any time, improving the practicality and convenience of the stroller.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of baby carriages, in particular to a quick detaching and orienting mechanism for a front wheel seat of a baby carriage. The baby carriage front wheel locking device comprises a mounting base and a front wheel connecting seat, the front wheel connecting seat is detachably connected with the mounting base, the mounting base is fixedly mounted on a baby carriage frame, baby carriage front wheels are mounted on the front wheel connecting seat, a locking column is arranged on the front wheel connecting seat, a locking column clamping groove and a locking piece are arranged in the mounting base, and the locking piece and the locking column clamping groove are arranged in a crossed mode. The locking column penetrates through the locking piece and can be installed in the locking column clamping groove in an up-down sliding mode, a locking piece clamping groove matched with the locking piece is formed in the locking column, and when the locking piece slides under driving of external force to enable part of the locking piece to be clamped in the locking piece clamping groove, the locking column is locked in the installation base. The baby carriage has the advantages that the front wheels of the baby carriage are convenient to disassemble, the front wheels can be adjusted to be in a directional wheel state or a universal wheel state at any time, and practicability is high.
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Description

Technical Field

[0001] The utility model relates to the field of baby carriages, in particular to a quick-release and orientation mechanism for the front wheel seat of a baby carriage. Background Technique

[0002] A baby carriage is a tool carriage designed to facilitate outdoor activities for infants and young children. It has long been widely used. To make the baby carriage more convenient to carry and store, current baby carriages are designed to be foldable structures. In this way, when the baby carriage is not in use, it can be folded to a smaller volume for easy carrying and storage.

[0003] At present, most of the front wheels of baby carriages are fixedly installed on the frame, generally using an integral molding of the wheel seat and the frame or connecting them together by bolts. When the wheel seat and the frame are integrally molded, the wheel cannot be replaced after it is damaged, resulting in the entire baby carriage being unusable. When the wheel seat and the frame are connected by bolts, tools are required for disassembly during replacement, which is time-consuming and laborious, causing certain trouble to users. Therefore, there is a need for a front wheel seat of a baby carriage that can facilitate the replacement of the front wheel. Summary of the Utility Model

[0004] Based on this, in view of the problem that the front wheel of a baby carriage is not convenient to replace in the prior art, it is necessary to provide a quick-release and orientation mechanism for the front wheel seat of a baby carriage to achieve the purpose of easily replacing the front wheel.

[0005] Therefore, the present application provides a quick-release and orientation mechanism for the front wheel seat of a baby carriage, which is used to detachably install the front wheel on the baby carriage. The quick-release and orientation mechanism for the front wheel seat of the baby carriage includes a mounting base 100 and a front wheel connecting seat 200. The front wheel connecting seat 200 is detachably connected to the mounting base 100. The mounting base 100 is fixedly installed on the baby carriage frame. The baby carriage front wheel is installed on the front wheel connecting seat 200. A locking post 210 is provided on the front wheel connecting seat 200. A locking post slot 110 and a locking piece 310 are provided in the mounting base 100. The locking piece 310 is cross-set with the locking post slot 110. The locking post 210 passes through the locking piece 310 and is slidably installed in the locking post slot 110 up and down. A locking piece slot 211 for cooperating with the locking piece 310 is provided on the locking post 210. When the locking piece 310 slides under the drive of an external force such that a part of the locking piece 310 is engaged in the locking piece slot 211, the locking post 210 is locked in the mounting base 100.

[0006] The locking piece slot 211 is an integral slot that is circumferentially provided on the outer peripheral side of the locking post 210.

[0007] A locking piece installation groove 120 is provided in the installation base 100. The locking piece installation groove 120 is communicated and crossed with the locking column card slot 110. The locking piece 310 is slidably arranged horizontally in the locking piece installation groove 120. A spring 320 for driving the locking piece 310 to be stuck into the locking piece card slot 211 is also provided in the locking piece installation groove 120. The spring 320 is arranged between the locking piece 310 and the installation base 100. The notch of the locking piece installation groove 120 is located on the side surface of the installation base 100, and the positions of the locking piece installation groove 120 and the locking piece card slot 211 correspond to each other. One end of the locking piece 310 extends out of the locking piece installation groove 120 and is located outside the installation base 100.

[0008] A locking column through hole 311 through which the locking column 210 can pass is provided on the locking piece 310.

[0009] The locking column 210 is a cylinder, and the locking column card slot 110 is a cylindrical groove.

[0010] A second locking device for restricting the rotation of the front wheel connecting seat 200 relative to the installation base 100 is further provided between the front wheel connecting seat 200 and the installation base 100.

[0011] The second locking device includes a pin 410 arranged below the bottom surface of the installation base 100 and a pin card slot 220 arranged on the top surface of the front wheel connecting seat 200. The pin 410 is inserted into the pin card slot 220. A pin installation groove 130 is recessed upward on the bottom surface of the installation base 100. The pin 410 is slidably arranged up and down with damping in the pin installation groove 130. The pin 410 is further connected with a plate buckle 420 for driving the pin 410 to slide upward in the pin installation groove 130. The plate buckle 420 is slidably installed up and down on the installation base 100 and is connected with the pin 410.

[0012] The utility model has the following technical effects: The quick-release and orientation mechanism for the front wheel seat of the baby stroller in the utility model is convenient for disassembling the front wheel of the baby stroller, can adjust the front wheel to two states of a fixed wheel or a swivel wheel at any time, and has strong practicability. Description of the Drawings

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0014] Figure 1 It is a usage state diagram of the quick-release and orientation mechanism for the front wheel seat of the baby stroller of the present utility model.

[0015] Figure 2 It is a schematic diagram of the installation position of the installation base of the utility model.

[0016] Figure 3 It is a schematic diagram of the structure of the front wheel connecting seat of the utility model.

[0017] Figure 4 It is a schematic diagram of the locking column slot position structure of the utility model.

[0018] Figure 5 It is a schematic diagram of the position structure of the bayonet installation slot and the through slot of the utility model.

[0019] Figure 6 It is a schematic diagram of the plate buckle installation position of the utility model.

[0020] Figure 7 It is a schematic diagram of the installation position structure of the locking piece of the utility model.

[0021] Figure 8 It is a schematic diagram of the locking piece structure of the utility model.

[0022] Explanation of the reference numerals: front leg tube 11, front pedal 12, front wheel 13, mounting base 100, locking column slot 110, locking piece mounting slot 120, bayonet mounting slot 130, through slot 140, front wheel connecting seat 200, locking column 210, locking piece slot 211, bayonet slot 220, locking piece 310, locking column through hole 311, spring 320, bayonet pin 410, plate buckle 420. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0024] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model 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 should not be construed as a limitation to the present utility model.

[0025] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present utility model, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0026] In the present utility model, unless otherwise clearly specified and limited, terms such as "mounted", "connected", "connected to", "fixed" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0027] In the present utility model, unless otherwise clearly specified and limited, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.

[0028] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or there can also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation.

[0029] An embodiment of the present utility model provides a quick-release and orientation mechanism for the front wheel seat of a baby stroller. The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0030] This application provides a quick-release and orientation mechanism for the front wheel seat of a baby stroller, which is used to detachably mount the front wheel on the baby stroller. Please refer to Figures 1 to 2 , Figure 1 The usage state diagram of the quick-release and orientation mechanism for the front wheel seat of the present utility model is given. As shown in Figure 2 , the baby stroller is provided with a pair of front foot tubes 11 and a front pedal 12 disposed between the pair of front foot tubes 11. The quick-release and orientation mechanism for the front wheel seat is fixedly installed below the front pedal 12, and the front wheel 13 of the baby stroller 10 is installed on the quick-release and orientation mechanism for the front wheel seat.

[0031] The quick-release and orientation mechanism for the front wheel seat of the baby stroller includes Figure 1 the installation base 100 shown in Figure 2 and the front wheel connection seat 200 shown in . The front wheel connection seat 200 is detachably connected to the installation base 100. The installation base 100 is fixedly installed on the baby stroller frame, and the baby stroller front wheel is installed on the front wheel connection seat 200.

[0032] A locking post 210 is provided on the front wheel connection seat 200. A locking post slot 110 and a locking piece 310 are provided in the installation base 100. The locking piece 310 is cross-set with the locking post slot 110. The locking post 210 passes through the locking piece 310 and is slidably installed up and down in the locking post slot 110.

[0033] The locking post 210 is a cylinder, and the locking post slot 110 is a cylindrical slot. The cylindrical design of the locking post 210 facilitates the rotation of the locking post 210 in the locking post slot 110 to realize the function of front wheel steering.

[0034] A locking piece slot 211 that cooperates with the locking piece 310 is provided on the locking column 210. The locking piece slot 211 is a complete circular slot that is circumferentially provided on the outer peripheral side of the locking column 210. When a part of the locking piece 310 is engaged in the locking piece slot 211 under the drive of an external force, the locking column 210 is locked in the mounting base 100.

[0035] A locking piece mounting groove 120 is provided in the mounting base 100. The locking piece mounting groove 120 communicates and intersects with the locking column slot 110. The locking piece 310 is slidably provided horizontally in the locking piece mounting groove 120. A spring 320 for driving the locking piece 310 to engage in the locking piece slot 211 is also provided in the locking piece mounting groove 120. The spring 320 is provided between the locking piece 310 and the mounting base 100. The notch of the locking piece mounting groove 120 is located on the side surface of the mounting base 100, and the locking piece mounting groove 120 corresponds to the position of the locking piece slot 211. One end of the locking piece 310 extends out of the locking piece mounting groove 120 and is located outside the mounting base 100. A locking column through hole 311 through which the locking column 210 can pass is provided on the locking piece 310. By pressing the locking piece 310 with an external force, the locking column through hole 311 can be aligned with the cross-cut notch of the locking column slot 110 and the spring 320 can be compressed. At this time, the locking column 210 can slide up and down in the locking column slot 110. When the external force is removed and the locking piece 310 is released, the spring 320 resets and drives the locking piece 310 to engage in the locking piece slot 211 of the locking column 210. At this time, the locking column 210 is restricted by the locking piece 310 and cannot slide out and fall off from the locking column slot 110, achieving the purpose of locking the front wheel connecting seat 200 in the mounting base 100.

[0036] During actual use, the front wheel sometimes needs to be oriented. Therefore, a second locking device for restricting the rotation of the front wheel connecting seat 200 relative to the mounting base 100 is further provided between the front wheel connecting seat 200 and the mounting base 100. The cylindrical locking column 210 and the second locking device are used in cooperation to achieve the function switching between front wheel orientation and steering.

[0037] The second locking device includes a latch 410 disposed below the bottom surface of the mounting base 100 and a latch slot 220 disposed on the top surface of the front wheel connecting seat 200. The latch 410 is inserted into the latch slot 220. A latch mounting groove 130 is recessed upward on the bottom surface of the mounting base 100. The latch 410 is slidably disposed in the latch mounting groove 130 in a damped manner up and down. The latch 410 is further connected to a latch plate 420 for driving the latch 410 to slide upward in the latch mounting groove 130. The latch plate 420 is slidably mounted on the mounting base 100 and connected to the latch 410. When the latch plate 420 is toggled upward, the latch plate 420 drives the latch 410 to move upward. When the latch 410 completely slides out of the latch slot 220, the front wheel connecting seat 200 can rotate horizontally out of the restriction of the latch 410. When the latch plate 420 is toggled downward, the latch plate 420 drives the latch 410 to move upward so that the latch 410 enters the latch slot 220, and the front wheel connecting seat 200 is restricted by the latch 410 and cannot rotate.

[0038] The utility model has the following technical effects: A quick-release and orientation mechanism for the front wheel seat of a baby stroller in the utility model facilitates the disassembly of the front wheel of the baby stroller, can adjust the front wheel to two states of a fixed wheel or a swivel wheel at any time, and has strong practicability.

[0039] The above description is only used to illustrate the technical solutions of the utility model and not to limit them. Any other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the utility model should be covered within the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solutions of the utility model.

Claims

1. A quick-release and orientation mechanism for the front wheel seat of a baby stroller, used to detachably mount the front wheel on the baby stroller, characterized in that: The baby stroller front wheel seat quick release and orientation mechanism comprises a mounting base (100) and a front wheel connecting seat (200); the front wheel connecting seat (200) is detachably connected to the mounting base (100); the mounting base (100) is fixedly mounted on the baby stroller frame; the front wheel of the baby stroller is mounted on the front wheel connecting seat (200); a locking column (210) is provided on the front wheel connecting seat (200); a locking column slot (110) and a locking plate (310) are provided in the mounting base (100); The plate (310) and the locking column slot (110) are arranged crosswise, the locking column (210) passes through the locking plate (310) and is slidably installed in the locking column slot (110) up and down, and the locking column (210) is provided with a locking plate slot (211) that cooperates with the locking plate (310), when the locking plate (310) slides under the drive of an external force so that a part of the locking plate (310) is engaged in the locking plate slot (211), the locking column (210) is locked in the mounting base (100).

2. A baby stroller front wheel seat quick release and orientation mechanism according to claim 1, characterized in that: The mounting base (100) is provided with a locking piece mounting groove (120), the locking piece mounting groove (120) is connected and cross-arranged with the locking column slot (110), the locking piece (310) can be horizontally slidably arranged in the locking piece mounting groove (120), the locking piece mounting groove (120) is also provided with a spring (320) for driving the locking piece (310) to snap into the locking piece slot (211), the spring (320) is arranged between the locking piece (310) and the mounting base (100), the notch of the locking piece mounting groove (120) is located on the side of the mounting base (100), and the locking piece mounting groove (120) corresponds to the position of the locking piece slot (211), and one end of the locking piece (310) extends out of the locking piece mounting groove (120) and is located outside the mounting base (100).

3. A baby stroller front wheel seat quick release and orientation mechanism according to claim 1, characterized in that: The locking plate (310) is provided with a locking post passage hole (311) through which the locking post (210) can pass.

4. A baby stroller front wheel seat quick release and orientation mechanism according to claim 1, characterized in that: The locking column (210) is a cylinder, and the locking column slot (110) is a cylindrical slot.

5. The quick-release and orientation mechanism for the front wheel seat of a baby stroller according to claim 1, characterized in that: The locking piece slot (211) is a full circle slot arranged around the outer peripheral side of the locking column (210).

6. A baby stroller front wheel seat quick release and orientation mechanism according to claim 1, characterized in that: A second locking device is also provided between the front wheel connecting seat (200) and the mounting base (100) for limiting the rotation of the front wheel connecting seat (200) relative to the mounting base (100).

7. A baby stroller front wheel seat quick release and orientation mechanism according to claim 6, characterized in that: The second locking device comprises a bayonet (410) arranged below the bottom surface of the mounting base (100) and a bayonet slot (220) arranged on the top surface of the front wheel connecting seat (200); the bayonet (410) is inserted into the bayonet slot (220); the bottom surface of the mounting base (100) is recessed upward to provide a bayonet mounting slot (130); the bayonet (410) can be arranged in the bayonet mounting slot (130) in a damped sliding manner up and down; the bayonet (410) is also connected to a plate buckle (420) for driving the bayonet (410) to slide upward in the bayonet mounting slot (130); the plate buckle (420) is installed on the mounting base (100) in a sliding manner up and down and is connected to the bayonet (410).