Baby carriage

Abstract

The utility model belongs to the technical field of baby carriage structures, and particularly relates to a baby carriage which comprises a carriage body, a front wheel support is arranged on the front portion of the carriage body, and a front wheel is arranged on the front wheel support. Rear wheels are arranged on the rear portion of the vehicle body, a hub motor is arranged in at least one rear wheel, and the rear wheels provide power for advancing of the vehicle body. Comprising a handle rod, a locking device is arranged on the handle rod, the handle rod is connected to a front wheel support through the locking device, and at least one front wheel is rotationally arranged on the front wheel support; when the handle rod is fixed to the front wheel support through the locking device, the handle rod and the front wheel support can rotate synchronously. An inserting part is arranged at the front part of the vehicle body; the handle rod can be taken down from the front wheel bracket and is clamped on the inserting part through a locking device; when the vehicle body is dragged, the handle rod is held by hands and the vehicle body is lifted, the whole vehicle body inclines and the rear wheels touch the ground; the locking device comprises a lock catch, and the lock catch can be meshed with the front wheel support or the inserting part. The baby carriage is stable in structure and convenient to drag.

Description

Technical Field

[0001] The utility model belongs to the technical field of baby carriage structures, in particular to a baby carriage. Background Art

[0002] Children's strollers are one of the most important toys for children nowadays. As people's living standards improve, children's strollers have gradually changed from manual strollers to electric strollers. The most popular electric stroller is the electric drift car. The drift car is a common leisure equipment. The drift car combines entertainment, fitness and transportation as one, and is becoming more and more popular.

[0003] The electronic control and drive technologies for electric strollers are now very mature, providing users with a good user experience, such as those in Chinese patents CN201520601460X and CN201521115905.X. However, these electric strollers have drawbacks: when children get tired of playing, parents need to drag the strollers home. Therefore, parents are often seen in residential communities holding strollers or bending over to pull them. This method of moving strollers is very inconvenient and causes great trouble for parents. Summary of the Invention

[0004] The utility model aims to provide a baby carriage which is convenient to tow.

[0005] The purpose of this utility model is achieved in this way:

[0006] A baby carriage, comprising a carriage body, a front wheel bracket provided at the front of the carriage body, a front wheel provided on the front wheel bracket; a rear wheel provided at the rear of the carriage body, at least one rear wheel having a built-in wheel hub motor, the rear wheel providing propulsion for the carriage body; a handlebar provided with a locking device, the handlebar connected to the front wheel bracket via the locking device, at least one front wheel rotatably provided on the front wheel bracket; when the handlebar is fixed to the front wheel bracket via the locking device, the handlebar can rotate synchronously with the front wheel bracket;

[0007] The front part of the vehicle body is provided with a plug-in part, and the handle bar can be removed from the front wheel bracket and clamped on the plug-in part through a locking device; when the vehicle body is towed, the handle bar is held and the vehicle body is lifted, and the entire vehicle body is tilted and the rear wheel is on the ground;

[0008] The locking device includes a lock buckle, which can be engaged with the front wheel bracket or the plug-in part.

[0009] A rotating shaft is fixed or integrally formed on the front wheel bracket, the rotating shaft is passed through the vehicle body and the rotating shaft and the vehicle body are connected via a bearing; the handle bar can extend into the rotating shaft and be connected to the rotating shaft via a locking device.

[0010] The locking device includes an elastic member and a pushing member, the elastic member gives the pushing member a force to force the lock buckle to pass through the handle rod; the pushing member is provided with a pushing part, the pushing part passes through the handle rod and is exposed, and when the pushing member is pushed, the lock buckle will retract into the handle rod, thereby separating the lock buckle from the front wheel bracket or the plug-in part.

[0011] The sliding sleeve comprises a concave cavity, an elastic member and a pushing member are arranged in the concave cavity and the pushing member is allowed to move along the side wall of the concave cavity. The sliding sleeve, the elastic member and the pushing member are formed into a whole and then pushed into the handle bar.

[0012] The handlebar is provided with a longitudinal rib, and the sliding sleeve is provided with a longitudinal groove cooperating with the longitudinal rib. The sliding sleeve enters the handlebar under the guidance of the longitudinal groove; under the limitation of the longitudinal rib and the longitudinal groove, the sliding sleeve cannot rotate in the handlebar.

[0013] A storage bin is provided in the middle of the vehicle body, and a bench is covered on the storage bin; a hook is provided on the vehicle body, which can hook the bench and allow the bench to stably cover the storage bin; the hook is rotated and detached from the bench, and the bench can then be opened from the storage bin.

[0014] The vehicle body is provided with an inward-concave annular step portion on the periphery of the storage bin, and the seat is placed on the annular step portion; at least one push head is provided on the annular step portion, and the elastic member gives the push head an upward force; when the hook is released, the push head pushes the seat away from the annular step portion.

[0015] The seat comprises a button which abuts against the hook, an elastic member acts on the hook and / or the button, and the elastic member gives the hook a force to bite the seat, and the pressing portion of the button is located on the upper surface of the vehicle body.

[0016] The side of the storage bin is provided with at least one slot, and the periphery of the bench is provided with a convex edge that matches the slot. One side of the bench extends into the slot through the convex edge, and the other side is locked by a hook.

[0017] A maintenance compartment is provided inside the storage compartment, in which a battery and a control circuit board are provided. A cover is fixed to the opening above the maintenance compartment. When the bench covers the storage compartment, the cover rests against the bottom of the bench and supports it.

[0018] Compared with the prior art, the present invention has the following outstanding and beneficial technical effects:

[0019] 1. This utility model utilizes an independently detachable handlebar. When in riding mode, the handlebar is secured to the front wheel bracket via a locking device. The handlebar rotates synchronously with the front wheel bracket, and the user can control the rotation of the vehicle by controlling the grip on the handlebar. When in towing mode, the handlebar is secured to the connector on the front of the vehicle via a locking device. The user pulls the grip on the handlebar to lift the vehicle, allowing the vehicle to be towed with the rear wheels on the ground. This method of towing is not only lightweight but also requires the parent to avoid bending over.

[0020] 2. The sliding sleeve of the present invention has a concave cavity, in which an elastic member and a pusher are positioned. The pusher is allowed to move along the sidewalls of the concave cavity. The sliding sleeve, elastic member, and pusher are formed into a single unit and then pushed into the handlebar. This facilitates the manufacturer's assembly of the locking device. Furthermore, the sliding sleeve limits the elastic member and the pusher, restricting the movement of the pusher and ensuring stable movement of the pusher. Preferably, the handlebar is provided with a longitudinal rib, and the sliding sleeve is provided with a longitudinal groove that cooperates with the longitudinal rib. The sliding sleeve enters the handlebar under the guidance of the longitudinal groove; under the limitation of the longitudinal rib and the longitudinal groove, the sliding sleeve cannot rotate within the handlebar.

[0021] 3. The utility model has a maintenance compartment under the seat, which houses the battery and control circuit board. When maintenance is needed, simply open the cover and repair can be carried out without disassembling the entire vehicle. Most vehicle problems can be solved by simply restarting the control circuit board or restoring it to factory settings. This setting allows users to solve simple faults. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is one of the structural diagrams of the riding state of the utility model;

[0023] Figure 2 This is the second structural diagram of the present invention in riding state;

[0024] Figure 3 It is a schematic diagram of the internal structure of the utility model in the riding state;

[0025] Figure 4 yes Figure 3 A schematic diagram of the enlarged structure at point A;

[0026] Figure 5 yes Figure 3 A schematic diagram of the enlarged structure at point B;

[0027] Figure 6 It is a structural diagram of the utility model in the towing state;

[0028] Figure 7 This is a schematic diagram of the internal structure of the utility model in the towing state;

[0029] Figure 8 yes Figure 7 Schematic diagram of the enlarged structure at C;

[0030] Figure 9 This is one of the structural diagrams of the utility model of the bench in the open state;

[0031] Figure 10 This is the second structural diagram of the utility model's bench in the open state.

[0032] Figure 11 yes Figure 10 A schematic diagram of the structure at D of FIG.

[0033] Figure 12 This is one of the explosion structure diagrams of the utility model;

[0034] Figure 13 yes Figure 12 The enlarged structural diagram of F;

[0035] Figure 14 This is the second schematic diagram of the explosion structure of the utility model;

[0036] Figure 15 yes Figure 14 Schematic diagram of the enlarged structure at G;

[0037] Figure 16 This is one of the structural diagrams of the handlebar portion of the present utility model;

[0038] Figure 17 This is the second structural diagram of the handlebar portion of the present invention.

[0039] In the figure: 1 - vehicle body; 11 - storage compartment; 111 - annular step; 112 - slot; 114 - pusher head mounting seat; 115 - hook hinge seat; 12 - maintenance compartment; 121 - cover; 13 - seat; 131 - seat slot; 132 - convex edge; 14 - plug-in portion; 141 - soft rubber plug; 142 - plug-in portion slot; 15 - footrest; 17 - start switch; 18 - hook; 181 - torsion spring; 19 - button; 2 - handlebar; 21 - grip; 22 - longitudinal rib;

[0040] 3-pushing member; 31-pushing part; 32-locking catch; 4-sliding sleeve; 41-concave cavity; 42-longitudinal groove; 5-pushing head; 6-battery; 7-control circuit board; 8-rear wheel; 81-connecting rod; 9-front wheel bracket; 90-spring; 91-front wheel; 92-rotating shaft; 93-bearing. DETAILED DESCRIPTION

[0041] The present invention will be further described below with reference to specific embodiments of the present invention. Figure 1-17 As shown:

[0042] A children's stroller includes a body 1, a front wheel bracket 9 is provided at the front of the body 1, and a front wheel 91 is provided on the front wheel bracket 9; a rear wheel 8 is provided at the rear of the body 1, and at least one rear wheel 8 is equipped with a hub motor. The rear wheel 8 provides the body 1 with forward power. As a priority, the two rear wheels 8 are fixed to form a whole by a connecting rod 81, which has better bearing capacity; both rear wheels can have built-in hub motors, or one rear wheel can have a built-in hub motor and the other rear wheel can be an ordinary wheel without a power source. It includes a handlebar 2, which is provided with a locking device. The handlebar 2 is connected to the front wheel bracket 9 through the locking device, and at least one front wheel 91 is rotatably provided on the front wheel bracket 9; when the handlebar 2 is fixed to the front wheel bracket 9 through the locking device, the handlebar 2 can rotate synchronously with the front wheel bracket 9; a plug-in portion 14 is provided at the front part of the vehicle body 1, and the handlebar 2 can be removed from the front wheel bracket 9 and clamped on the plug-in portion 14 through the locking device; when towing the vehicle body 1, the gripping portion 21 of the handlebar is held and the vehicle body 1 is lifted, the entire vehicle body is tilted and the rear wheel touches the ground; the handlebar 2 is independently formed into a detachable part through the locking device. When riding is required, the handlebar is installed on the front wheel bracket; when towing is required, the handlebar is installed on the plug-in portion. The plug-in part can be a part of the vehicle body or an independent part. Preferably, a soft rubber plug 141 is provided on the outside of the plug-in part. When the plug-in part 14 is not needed, the mouth of the plug-in part is covered by the soft rubber plug 141 to beautify the appearance of the product; when the handle bar needs to be installed, the soft rubber plug can be removed.

[0043] A rotating shaft 92 is fixed or integrally formed on the front wheel bracket 9. The rotating shaft 92 is disposed inside the vehicle body 1 and is connected to the vehicle body 1 via a bearing 93. The handlebar 2 can be inserted into the rotating shaft 92 and connected to the rotating shaft 92 via a locking device. The handlebar can be inserted into the inner side of the rotating shaft to be retained, making the installation of the handlebar more stable.

[0044] The locking device includes an elastic member and a pusher 3. The elastic member exerts force on the lock catch 32 of the pusher 3 to pass through the handlebar 2. The pusher 3 is provided with a pusher portion 31, which passes through the handlebar 2 and is exposed. When the pusher 3 is pushed, the lock catch 32 retracts into the handlebar 2, thereby separating the lock catch 32 from the rotating shaft slot or the plug-in slot 142 of the front wheel bracket. The rotating shaft slot and the plug-in slot are through holes or blind holes, and are mainly used to connect the lock catch.

[0045] The handle comprises a sliding sleeve 4 having a recessed cavity 41. The elastic member and pusher 3 are positioned within this recessed cavity 41, allowing the pusher 3 to move along the sidewalls of the cavity. This recessed cavity 41 limits the movement of the pusher 3, limiting its movement and allowing it to effectively move in and out along the sidewalls of the cavity. Furthermore, the sliding sleeve 4 serves as a mounting component for the elastic member and pusher 3. These members are first restrained within the recessed groove of the sliding sleeve, after which the entire assembly is formed and pushed into the handlebar. The elastic member is preferably a spring 90, an elastic soft rubber, or other component.

[0046] Preferably, the handlebar 2 is provided with a longitudinal rib 22, and the sliding sleeve 4 is provided with a longitudinal groove 42 that cooperates with the longitudinal rib 22. The sliding sleeve 4 enters the handlebar 2 under the guidance of the longitudinal groove 42; the sliding sleeve 4 cannot rotate within the handlebar 2 due to the restraint of the longitudinal rib 22 and the longitudinal groove 42. With this structure, the sliding sleeve 4 is restrained. After the sliding sleeve 4 is tightly fitted to the lower end of the handlebar 2, it is restrained by the longitudinal groove 42 and the longitudinal rib 22, preventing the sliding sleeve 4 from moving or rotating.

[0047] A storage bin 11 is provided in the middle of the vehicle body 1, and a seat 13 is covered on the top of the storage bin 11; a hook 18 is provided on the vehicle body 1, which can hook the seat 13 and allow the seat 13 to stably cover the storage bin 11; by rotating the hook 18, the hook 18 will disengage from the seat slot 131 of the seat, and the seat 13 can then be opened from the storage bin 11.

[0048] The vehicle body 1 is provided with a recessed annular step portion 111 on the periphery of the storage bin, and the seat 13 is placed on the annular step portion 111. The seat 13 is placed by the recessed annular step portion 111, so that the seat 13 is more stable when placed and does not move; at least one push head 5 is provided on the annular step portion 111, and the elastic member gives the push head 5 an upward force; the hook 18 is released, and the push head 5 pushes the seat 13 away from the annular step portion 111. The unlocked seat is pushed upward by the push head, making it convenient for the user to open the seat. Preferably, at least one push head mounting seat 114 is provided in the vehicle body, and the push head 5 and the elastic member are sequentially placed in the push head mounting seat 114. A longitudinal slot is provided on the side of the push head mounting seat, and a hook body is provided on the side of the push head. The hook body is located in the longitudinal slot and moves along the longitudinal slot. The elastic member is preferably a spring 90, an elastic soft rubber or other components.

[0049] The seat comprises a button 19, which abuts against the hook 18. An elastic member acts on the hook and / or the button, imparting force to the hook 18, which engages the seat. The pressing portion of the button is located on the upper surface of the vehicle body. Pressing the button 19 rotates the hook 18, disengaging it from the seat slot 131. Preferably, the hook 18 is hinged to a hook hinge seat 115 of the vehicle body, with a torsion spring 181 positioned at the hinge.

[0050] The storage compartment 11 is provided with at least one slot 112 on its side, and the seat 13 is provided with a ridge 132 on its periphery that engages with the slot. One side of the seat 13 extends into the slot 112 via the ridge 132, and the other side is locked by a hook 18. By plugging the seat 13 into place, the user can remove the entire seat. Alternatively, one end of the seat can be hinged to the vehicle body and the other end can be locked by a hook.

[0051] A maintenance compartment 12 is provided inside the storage compartment 11. The maintenance compartment 12 houses the battery 6 and the control circuit board 7. A cover 121 is fixed to the upper opening of the maintenance compartment 12. When the seat 13 covers the storage compartment 11, the cover 121 rests against the underside of the seat and provides support. Generally, minor problems such as vehicle starting failure can be solved by simply restoring the control circuit board to factory settings. Therefore, the maintenance compartment is located on the side of the storage compartment. Users can open the cover and press the reset button on the control circuit board to perform basic maintenance themselves. If this method fails to restore the vehicle, the manufacturer can perform repairs.

[0052] This utility model involves circuits and controls, which are not the key protection points of this utility model and are therefore not described in detail. Controlling the start of the vehicle with the start switch 17, controlling the vehicle speed with the pedal 15, and controlling the rotation of the hub motor with the control circuit board 7 are all simple technologies in the art. Manufacturers only need to send the required control circuit board to a suitable circuit board manufacturer for production. After receiving the circuit board of the required size, the vehicle can be assembled.

[0053] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. A baby carriage, comprising a carriage (1), wherein a front wheel bracket (9) is arranged at the front of the carriage (1), and a front wheel (91) is arranged on the front wheel bracket (9); a rear wheel (8) is arranged at the rear of the carriage (1), and at least one rear wheel (8) has a built-in wheel hub motor, and the rear wheel provides power for the carriage to move forward; the characteristics are: The invention comprises a handlebar (2), a locking device is arranged on the handlebar (2), the handlebar (2) is connected to a front wheel bracket (9) through the locking device, and at least one front wheel (91) is rotatably arranged on the front wheel bracket (9); when the handlebar (2) is fixed to the front wheel bracket (9) through the locking device, the handlebar (2) can rotate synchronously with the front wheel bracket (9); The front part of the vehicle body (1) is provided with a plug-in part (14), and the handlebar (2) can be removed from the front wheel bracket (9) and clamped on the plug-in part (14) through a locking device; when the vehicle body (1) is towed, the handlebar (2) is held and the vehicle body (1) is lifted, and the entire vehicle body (1) is tilted and the rear wheel (8) touches the ground; The locking device comprises a lock buckle (32), and the lock buckle (32) can be engaged with the front wheel bracket or the plug-in part.

2. The baby carriage according to claim 1, characterized in that: A rotating shaft (92) is fixed or integrally formed on the front wheel bracket (9), the rotating shaft (92) is inserted into the vehicle body (1), and the rotating shaft (92) and the vehicle body (1) are connected via a bearing (93); the handlebar (2) can extend into the rotating shaft (92) and be connected to the rotating shaft via a locking device.

3. The baby carriage according to claim 1 or 2, characterized in that: The locking device comprises an elastic member and a pushing member (3), wherein the elastic member imparts a force to a lock buckle (32) of the pushing member to pass through the handlebar (2); a pushing portion (31) is provided on the pushing member, the pushing portion (31) passes through the handlebar (2) and is exposed, and when the pushing portion (31) of the pushing member is pushed, the lock buckle is retracted into the handlebar, thereby separating the lock buckle from the front wheel bracket or the plug-in portion.

4. The baby carriage according to claim 3, characterized in that: The sliding sleeve (4) comprises a concave cavity (41), an elastic member and a pushing member (3) are arranged in the concave cavity (41) and the pushing member is allowed to move along the side wall of the concave cavity. The sliding sleeve, the elastic member and the pushing member are formed into a whole and then pushed into the handle bar.

5. The baby carriage according to claim 4, characterized in that: The handle bar (2) is provided with a longitudinal convex rib (22), and the sliding sleeve (4) is provided with a longitudinal groove (42) cooperating with the longitudinal convex rib (22). The sliding sleeve (4) enters the handle bar (2) under the guidance of the longitudinal groove (42); under the limitation of the longitudinal convex rib and the longitudinal groove, the sliding sleeve cannot rotate in the handle bar.

6. The baby carriage according to claim 1, 2, 4 or 5, characterized in that: A storage bin (11) is arranged in the middle of the vehicle body (1), and a bench (13) is covered on the top of the storage bin (11); a hook (18) is arranged on the vehicle body (1), and the hook (18) can hook the bench and allow the bench to stably cover the storage bin; the hook is rotated to detach from the bench, and the bench can then be opened from the storage bin.

7. The baby carriage according to claim 6, characterized in that: The vehicle body is provided with an inwardly recessed annular step portion (111) on the periphery of the storage bin, and the seat is placed on the annular step portion; at least one push head (5) is provided on the annular step portion, and an elastic member applies an upward force to the push head; The hook (18) is released, and the push head (5) pushes the stool away from the annular step portion (111).

8. The baby carriage according to claim 7, characterized in that: The button (19) is abutted against the hook (18), an elastic member acts on the hook and / or the button, the elastic member gives the hook a force to engage with the seat, and the pressing part of the button is located on the upper surface of the vehicle body.

9. The baby carriage according to claim 7 or 8, characterized in that: At least one slot (112) is provided on the side of the storage bin (11), and a convex edge (132) cooperating with the slot is provided on the periphery of the bench (13), one side of the bench extends into the slot through the convex edge, and the other side is locked by a hook.

10. The baby carriage according to claim 7 or 8, characterized in that: A maintenance compartment (12) is arranged inside the storage compartment (11), and a storage battery (6) and a control circuit board (7) are arranged inside the maintenance compartment (12). A cover (121) is fixed to the upper opening of the maintenance compartment (12), and when the bench (13) covers the storage compartment (11), the cover (121) abuts against the lower side of the bench (13) and supports it.

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