Baby walker

Abstract

The utility model provides a baby walker, and belongs to the technical field of walkers. The utility model provides a baby walker. The baby walker comprises an upper tray, a lower tray and a supporting leg group, one end of the support leg group is connected with the upper tray, and the other end is connected with the lower tray; a containing groove is formed in the upper tray, and an early education device is installed in the containing groove in a limited mode through two limiting devices. The limiting device comprises a limiting groove and a limiting body, the limiting groove is formed in the containing groove, the limiting body is arranged in the limiting groove, the bottom end of the limiting body penetrates through the bottom wall of the limiting groove, a clamping hole is formed in the bottom of the early education device, the top end of the limiting body is inserted into the clamping hole and used for limiting the early education device, and the torsion body is arranged on one side of the bottom wall of the limiting groove. The twisting body is connected with the bottom end of the limiting body and can rotate relative to the upper tray; the limiting device of the baby walker is arranged on the bottom side of the upper tray, and separation of the early education device caused by mistaken touch of a baby is prevented.

Description

Technical Field

[0001] This utility model belongs to the field of baby walker technology, and more specifically, relates to a baby walker. Background Technology

[0002] Baby walkers are tools used by infants to help them learn to walk. Originating in the West, baby walkers are a means of transportation for babies before they can walk. They generally consist of three parts: a chassis frame, an upper seat, and a toy music box, and are classified as toy vehicles.

[0003] Currently, most baby walkers on the market are designed primarily to provide safety support and assist movement, and generally lack early education devices specifically designed for infants' cognitive development and visual stimulation. Furthermore, existing baby walkers typically have entertainment devices on their upper trays, and the restraint devices for these devices are exposed on the upper tray, often causing babies to accidentally touch them and detach them from the tray. Utility Model Content

[0004] The purpose of this utility model is to provide a baby walker to solve the technical problems of existing baby walkers lacking early education functions and having limit devices that are easily accidentally activated.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is: to provide a baby walker, including an upper tray, a lower tray, and a support leg assembly;

[0006] One end of the support leg assembly is connected to the upper tray, and the other end is connected to the lower tray;

[0007] The upper tray is provided with a receiving slot, and the early education device is installed in the receiving slot by two sets of limiting devices.

[0008] The limiting device includes a limiting groove, a limiting body, and a torsion body. The limiting groove is formed in the receiving groove, the limiting body is disposed in the limiting groove, and the bottom end of the limiting body penetrates the bottom wall of the limiting groove. The torsion body is disposed on one side of the bottom wall of the limiting groove, and the torsion body is connected to the bottom end of the limiting body and can rotate relative to the upper tray. The bottom of the early education device has a locking hole, and the top end of the limiting body is inserted into the locking hole to limit the early education device.

[0009] In one possible implementation, based on the above technical solutions, the early education device includes a data reader and a data card. The data reader has an opening, and a data processing board is provided inside the opening. Data readers are provided on both the left and right sides of the data processing board. The data card has a data reading area. The data card is inserted into the opening, and the data readers on both the left and right sides can read the data reading area.

[0010] In one possible implementation, based on the above technical solutions, the upper tray is provided with a seat pocket, the seat pocket is provided with a first Velcro fastener, and a diaper pad is attached to the first Velcro fastener; the diaper pad is provided with a second Velcro fastener, and the first Velcro fastener and the second Velcro fastener are attached together.

[0011] In one possible implementation, based on the above technical solutions, the support leg assembly includes a main support leg, a first auxiliary support leg, and a second auxiliary support leg. The main support leg is installed at the front end of the upper tray and the lower tray, the first auxiliary support leg is installed on the left rear end of the upper tray and the lower tray, and the second auxiliary support leg is installed on the right rear end of the upper tray and the lower tray.

[0012] In one possible implementation, based on the above technical solutions, the main support leg and the lower tray are provided with a first gear adjustment mechanism. The first gear adjustment mechanism includes a first telescopic column movably disposed on the main support leg and three first through slots disposed on the lower tray. The lower tray is provided with a push button, and the first telescopic column is inserted into the first through slot and abuts against the push button.

[0013] In one possible implementation, based on the above technical solutions, the first auxiliary support leg and the second auxiliary support leg have the same structure. The first auxiliary support leg includes an upper leg and a lower leg. The upper leg is inserted into the lower leg, and the upper leg and the lower leg are provided with a second gear adjustment mechanism. The second gear adjustment mechanism includes a second telescopic column movably disposed on the upper leg and a gear groove opened on the lower leg. The gear groove is provided with three second through slots, and the second telescopic column is inserted into the second through slots.

[0014] In one possible implementation, based on the above technical solutions, hinge posts are provided on both sides of the top of the main support leg, and hinge holes are provided on both sides of the bottom of the upper tray. The hinge posts are inserted into the hinge holes so that the main support leg can rotate relative to the upper tray.

[0015] In one possible implementation, based on the above technical solutions, the end of the upper leg is rotatably connected to the upper tray, so that the upper tray can rotate relative to the upper leg; the end of the lower leg is rotatably connected to the lower tray, so that the lower leg can rotate relative to the lower tray.

[0016] In one possible implementation, based on the above technical solutions, parking brake assemblies are installed on both sides of the bottom of the lower tray. The parking brake assembly includes a mounting base and a column. The mounting base is installed on the lower tray and has two mounting plates. The column is hinged between the two mounting plates.

[0017] In one possible implementation, based on the above technical solutions, the parking brake assembly includes a movable sleeve and a spring. The movable sleeve has connecting holes on both sides. The column is inserted into the movable sleeve. The spring is provided between the column and the movable sleeve. The column is hinged to the two mounting plates through the connecting holes. The mounting base has an inclined block on one side to limit the movable sleeve.

[0018] The advantages of this baby walker are as follows: Compared with the prior art, this baby walker sets the limiting device in the receiving groove of the upper tray, preventing the early education device from being accidentally dislodged by the baby. When the early education device needs to be removed, the torsion body is rotated, thereby causing the limiting body to rotate so that its top is no longer engaged with the locking hole. Then, the limiting body is moved down by the torsion body, so that the top of the limiting body falls into the limiting groove, thus realizing the movement of the early education device. When the early education device needs to be re-limited, the torsion body is moved up, so that it causes the top of the limiting body to insert into the locking hole. Then, the torsion body is rotated, causing the limiting body to rotate so that the top of the limiting body is engaged with the locking hole again. In addition, by setting up the early education device, the baby can carry out early education on the walker. Moreover, the data processing board of the early education device is equipped with data readers on both sides. No matter whether the data card is inserted correctly or incorrectly, the early education device can read it, which facilitates the baby's early education. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 A schematic diagram of the structure of a baby walker provided for an embodiment of this utility model;

[0021] Figure 2 A schematic diagram of the structure of a receiving slot for a baby walker provided in an embodiment of this utility model;

[0022] Figure 3 A schematic diagram of the structure of the bottom side of the receiving slot of a baby walker provided in an embodiment of this utility model;

[0023] Figure 4 A schematic diagram of the card hole structure of an early education device for a baby walker provided in an embodiment of this utility model;

[0024] Figure 5A schematic diagram of the structure of a limiting device for a baby walker provided in an embodiment of this utility model;

[0025] Figure 6 A schematic diagram of the internal structure of an early education device for a baby walker provided in an embodiment of this utility model;

[0026] Figure 7 An exploded view of a baby walker provided for an embodiment of this utility model;

[0027] Figure 8 A schematic diagram of the structure of the first through groove of a baby walker provided in an embodiment of this utility model;

[0028] Figure 9 A schematic diagram of the parking brake assembly of a baby walker provided in an embodiment of this utility model;

[0029] Figure 10 An exploded view of a parking brake assembly for a baby walker provided in an embodiment of this utility model.

[0030] The labels for the attached figures are as follows:

[0031] 100. Upper tray; 110. Receiving slot; 120. Seat pocket; 121. First Velcro fastener; 200. Lower tray; 210. First through slot; 2111. Push button; 220. Support platform; 300. Leg assembly; 310. Main support leg; 311. First telescopic column; 312. Hinge column; 320. First auxiliary support leg; 321. Upper leg; 3211. Second telescopic column; 322. Lower leg; 3221. Second through slot; 330. Second Support leg; 400, limiting device; 410, limiting groove; 420, limiting body; 430, torsion body; 500, early education device; 510, locking hole; 520, data reader; 521, socket; 522, data processing board; 523, data reader; 600, parking brake assembly; 610, mounting base; 611, mounting plate; 612, inclined block; 620, column; 630, movable sleeve; 631, connecting hole; 632, spring. Detailed Implementation

[0032] To make the technical problem to be solved, the technical solution, and the beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the described embodiments are only a part of the embodiments of this application, not all of them. The specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0033] It should be further explained that the accompanying drawings and embodiments of this utility model mainly describe the concept of this utility model. Based on this concept, some specific forms and settings of connection relationships, positional relationships, power mechanisms, power supply systems, hydraulic systems and control systems may not be fully described. However, under the premise that those skilled in the art understand the concept of this utility model, they can implement the above-mentioned specific forms and settings in a well-known manner.

[0034] When a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0035] The directional terms "inner" and "outer" refer to the inner and outer sides relative to the outline of each component itself. The terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0036] For ease of description, spatial relative terms such as "above," "over," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "above" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways, and the spatial relative descriptions used herein will be interpreted accordingly.

[0037] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "multiple" means two or more, and "several" means one or more, unless otherwise explicitly specified.

[0038] The present invention will now describe a baby walker provided by this utility model.

[0039] like Figures 1 to 5 As shown, this utility model provides a baby walker, including an upper tray 100, a lower tray 200, and a leg assembly 300; one end of the leg assembly 300 is connected to the upper tray 100, and the other end is connected to the lower tray 200; the upper tray 100 has a receiving groove 110, and an early education device 500 is installed in the receiving groove 110 by two sets of limiting devices 400; the limiting device 400 includes a limiting groove 410, a limiting body 420, and a torsion body 430, the limiting groove 410 is opened in the receiving groove 110, the limiting body 420 is disposed in the limiting groove 410, and the bottom end of the limiting body 420 penetrates the bottom wall of the limiting groove 410, and the torsion body 430 is disposed on the bottom wall of the limiting groove 410. On one side, the bottom end of the torsion body 430 is connected to the bottom end of the limiting body 420 and can rotate relative to the upper tray 100. The bottom of the early education device 500 is provided with a card hole 510. The top end of the limiting body 420 is inserted into the card hole 510 to limit the early education device 500. The early education device 500 includes a data reader 520 and a data card. The data reader 520 is provided with an interface 521. A data processing board 522 is provided in the interface 521. Data readers 523 are provided on both the left and right sides of the data processing board 522. The data card is provided with a data reading area. The data card is inserted into the interface 521. The data readers 523 on both the left and right sides can read the data reading area.

[0040] This utility model provides a baby walker that, compared with the prior art, incorporates a limiting device 400 within the receiving groove 110 of the upper tray 100. This prevents the early education device 500 from being accidentally dislodged by the baby. When the early education device 500 needs to be removed, the torsion body 430 is rotated, causing the limiting body 420 to rotate and its top to no longer engage with the locking hole 510. The torsion body 430 then lowers the limiting body 420, causing its top to fall into the limiting groove 410, thus enabling the early education device 500 to move. When the early education device 500 needs to be repositioned... When the limit is set, the torsion body 430 is moved upward, causing the top of the limit body 420 to be inserted into the card hole 510. Then, the torsion body 430 is rotated, causing the limit body 420 to rotate, so that the top of the limit body 420 is locked into the card hole 510 again. In addition, by setting up the early education device 500, the baby can receive early education on the walker. The data processing board 522 of the early education device 500 is equipped with data readers 523 on both the left and right sides. The early education device 500 can read the data card whether it is inserted in the right or wrong position, which facilitates the baby's early education.

[0041] like Figure 1As shown, based on the above embodiments, the present invention provides a specific embodiment as follows: the upper tray 100 is provided with a seat pocket 120, the seat pocket 120 is provided with a first Velcro 121, and a urinal pad is attached to the first Velcro 121; the urinal pad is provided with a second Velcro, and the first Velcro 121 and the second Velcro are attached together.

[0042] It is important to note that when friends visit, their children may also be playing in the baby walker. To maintain hygiene, a first Velcro 121 is installed on the seat 120, and a diaper pad with a second Velcro 121 is then attached to the first Velcro 121. Therefore, when the diaper pad gets dirty, it can be easily removed from the first Velcro 121 for replacement, and a new diaper pad can be put on. This allows for quick and convenient diaper pad changes, meeting hygiene standards.

[0043] like Figure 7 As shown, based on the above embodiments, this utility model provides another specific embodiment as follows: the support leg assembly 300 includes a main support leg 310, a first auxiliary support leg 320, and a second auxiliary support leg 330. The main support leg 310 is installed at the front end of the upper tray 100 and the lower tray 200, the first auxiliary support leg 320 is installed on the left rear end of the upper tray 100 and the lower tray 200, and the second auxiliary support leg 330 is installed on the right rear end of the upper tray 100 and the lower tray 200. The support leg assembly 300 adopts a three-point support, which provides stronger support and makes the baby walker more stable.

[0044] like Figure 7 and Figure 8 As shown, based on the above embodiments, the present invention provides a specific embodiment as follows: the main support leg 310 and the lower tray 200 are provided with a first gear adjustment mechanism. The first gear adjustment mechanism includes a first telescopic column 311 movably disposed on the main support leg 310 and three first through slots 210 disposed on the lower tray 200. The lower tray 200 is provided with a push button 2111. The first telescopic column 311 is inserted into the first through slot 210 and abuts against the push button 2111.

[0045] Specifically, the main support leg 310 can be adjusted in three positions. When adjustment is needed, press the push button 2111 inward. The push button 2111 will push the first telescopic column 311 out of the first through slot 210. At this time, adjust the position of the main support leg 310 so that the first telescopic column 311 extends into the other first through slots 210.

[0046] like Figure 7As shown, based on the above embodiments, the present invention provides a specific embodiment as follows: the first auxiliary support leg 320 and the second auxiliary support leg 330 have the same structure. The first auxiliary support leg 320 includes an upper leg 321 and a lower leg 322. The upper leg 321 is inserted into the lower leg 322, and the upper leg 321 and the lower leg 322 are provided with a second gear adjustment mechanism. The second gear adjustment mechanism includes a second telescopic column 3211 movably disposed on the upper leg 321 and a gear groove opened on the lower leg 322. The gear groove is provided with three second through grooves 3221, and the second telescopic column 3211 is inserted into the second through grooves 3221.

[0047] Specifically, the first auxiliary leg 320 and the second auxiliary leg 330 can also be adjusted in three positions. When adjustment is needed, press the second telescopic column 3211 inward to disengage it from the second through slot 3221. At this time, adjust the position of the upper leg 321 so that the second telescopic column 3211 can be inserted into the other second through slot 3221.

[0048] like Figure 7 As shown, based on the above embodiments, the present invention provides a specific embodiment as follows: the top two sides of the main support leg 310 are provided with hinge columns 312, and the bottom two sides of the upper tray 100 are provided with hinge holes. The hinge columns 312 are inserted into the hinge holes so that the main support leg 310 can rotate relative to the upper tray 100.

[0049] like Figure 7 As shown, based on the above embodiments, the present invention provides a specific embodiment as follows: the end of the upper leg 321 is rotatably connected to the upper tray 100 so that the upper tray 100 can rotate relative to the upper leg 321; the end of the lower leg 322 is rotatably connected to the lower tray 200 so that the lower leg 322 can rotate relative to the lower tray 200.

[0050] In addition, this baby walker can be folded, and the folded height is even lower, making it easier to store. When it needs to be folded, press the first telescopic column 311 inward by pushing the button 2111 and pull the main support leg 310 upward, so that the bottom end of the main support leg 310 is separated from the lower tray 200. At this time, the main support leg 310 can rotate relative to the upper tray 100, rotating the main support leg 310 to the bottom side of the upper tray 100. Then, rotate the upper tray 100, the first auxiliary support leg 320 and the second auxiliary support leg 330. First, rotate the first auxiliary support leg 320 and the second auxiliary support leg 330 so that they fall onto the support platform 220 of the lower tray 200. During the falling process, the upper tray 100 is rotated 180 degrees. When the first auxiliary support leg 320 and the second auxiliary support leg 330 fall onto the support platform 220 of the lower tray 200, the folding of the baby walker is completed.

[0051] like Figure 3,like Figure 9 and Figure 10 As shown, based on the above embodiments, the present invention provides a specific embodiment as follows: a parking brake assembly 600 is installed on both sides of the bottom of the lower tray 200. The parking brake assembly 600 includes a mounting base 610 and a column 620. The mounting base 610 is installed on the lower tray 200 and has two mounting plates 611. The column 620 is hinged between the two mounting plates 611.

[0052] like Figure 9 and Figure 10 As shown, based on the above embodiments, this utility model provides a specific embodiment as follows: the parking brake assembly 600 includes a movable sleeve 630 and a spring 632. The movable sleeve 630 has connecting holes 631 on both sides. A column 620 is inserted into the movable sleeve 630. A spring 632 is provided between the column 620 and the movable sleeve 630. The column 620 is hinged to two mounting plates 611 through the connecting holes 631. A wedge 612 is provided on one side of the mounting base 610 to limit the movable sleeve 630.

[0053] It should be noted here that when it is necessary to prevent the baby walker from gliding, the uprights 620 are erected so that the two uprights 620 on the left and right sides can support the rear half of the entire lower tray 200, so that the rear wheels are off the ground and the baby walker cannot move.

[0054] When the column 620 needs to be erected, press the movable sleeve 630 to one side so that the end of the movable sleeve 630 is no longer in contact with the inclined block 612. At this time, the column 620 can rotate and stand up. Then, release the movable sleeve 630, and the movable sleeve 630 will contact the mounting base 610 under the action of the spring 632, and the column 620 cannot rotate. When the column 620 needs to be turned horizontally, press the movable sleeve 630 downward so that the end of the movable sleeve 630 is no longer in contact with the mounting base 610. At this time, the column 620 can rotate and turn horizontally. Then, release the movable sleeve 630, and its top will contact the inclined block 612, so it cannot rotate.

[0055] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

[0056] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0057] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this application. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

Claims

1. A baby walker, characterized in that, Includes an upper tray (100), a lower tray (200), and a support leg assembly (300); One end of the support leg assembly (300) is connected to the upper tray (100), and the other end is connected to the lower tray (200); The upper tray (100) is provided with a receiving slot (110), and the receiving slot (110) is limited by two sets of limiting devices (400) to install the early education device (500). The limiting device (400) includes a limiting groove (410), a limiting body (420), and a torsion body (430). The limiting groove (410) is opened in the receiving groove (110). The limiting body (420) is disposed in the limiting groove (410), and the bottom end of the limiting body (420) penetrates the bottom wall of the limiting groove (410). The torsion body (430) is disposed on one side of the bottom wall of the limiting groove (410). The torsion body (430) is connected to the bottom end of the limiting body (420) and can rotate relative to the upper tray (100). The bottom of the early education device (500) is provided with a locking hole (510). The top end of the limiting body (420) is inserted into the locking hole (510) to limit the early education device (500).

2. A baby walker according to claim 1 wherein: The early education device (500) includes a data reader (520) and a data card. The data reader (520) has an opening (521). A data processing board (522) is provided in the opening (521). Data readers (523) are provided on both the left and right sides of the data processing board (522). The data card has a data reading area. The data card is inserted into the opening (521). The data readers (523) on both the left and right sides can read the data reading area.

3. A baby walker according to claim 1, wherein: The upper tray (100) is provided with a seat pocket (120), the seat pocket (120) is provided with a first Velcro (121), and a urinal pad is attached to the first Velcro (121); the urinal pad is provided with a second Velcro, and the first Velcro (121) and the second Velcro are attached together.

4. A baby walker according to claim 1 wherein: The support leg assembly (300) includes a main support leg (310), a first auxiliary support leg (320), and a second auxiliary support leg (330). The main support leg (310) is installed at the front end of the upper tray (100) and the lower tray (200). The first auxiliary support leg (320) is installed on the left rear end of the upper tray (100) and the lower tray (200). The second auxiliary support leg (330) is installed on the right rear end of the upper tray (100) and the lower tray (200).

5. A baby walker according to claim 4 wherein: The main support leg (310) and the lower tray (200) are provided with a first gear adjustment mechanism. The first gear adjustment mechanism includes a first telescopic column (311) movably disposed on the main support leg (310) and three first through slots (210) disposed on the lower tray (200). The lower tray (200) is provided with a push button (2111). The first telescopic column (311) is inserted into the first through slot (210) and abuts against the push button (2111).

6. A baby walker according to claim 4 wherein: The first auxiliary support leg (320) and the second auxiliary support leg (330) have the same structure. The first auxiliary support leg (320) includes an upper leg (321) and a lower leg (322). The upper leg (321) is inserted into the lower leg (322). The upper leg (321) and the lower leg (322) are provided with a second gear adjustment mechanism. The second gear adjustment mechanism includes a second telescopic column (3211) movably disposed on the upper leg (321) and a gear groove opened on the lower leg (322). The gear groove is provided with three second through slots (3221). The second telescopic column (3211) is inserted into the second through slots (3221).

7. A baby walker according to claim 4 wherein: The main support leg (310) has hinge posts (312) on both sides of its top, and the upper tray (100) has hinge holes on both sides of its bottom. The hinge posts (312) are inserted into the hinge holes so that the main support leg (310) can rotate relative to the upper tray (100).

8. A baby walker according to claim 6 wherein: The end of the upper leg (321) is rotatably connected to the upper tray (100) so that the upper tray (100) can rotate relative to the upper leg (321); the end of the lower leg (322) is rotatably connected to the lower tray (200) so that the lower leg (322) can rotate relative to the lower tray (200).

9. A baby walker according to claim 1 wherein: Parking brake assemblies (600) are installed on both sides of the bottom of the lower tray (200). The parking brake assembly (600) includes a mounting base (610) and a column (620). The mounting base (610) is installed on the lower tray (200) and has two mounting plates (611). The column (620) is hinged between the two mounting plates (611).

10. A baby walker according to claim 9 wherein: The parking brake assembly (600) includes a movable sleeve (630) and a spring (632). The movable sleeve (630) has connecting holes (631) on both sides. The column (620) is inserted into the movable sleeve (630). The spring (632) is provided between the column (620) and the movable sleeve (630). The column (620) is hinged to the two mounting plates (611) through the connecting holes (631). The mounting base (610) has a wedge (612) on one side to limit the movable sleeve (630).

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