Reciprocating swing device of baby carriage
By designing a stroller reciprocating swing device with fixed belts and anti-slip pads on the stroller, the existing stroller rocker has solved the problem of complex structure and poor stability, achieving a lighter and smaller device, improving the user experience.
Patent Information
- Application Number
- CN202422233973.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-11
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-09-11
AI Technical Summary
The existing stroller reciprocating rockers have complex structures, large sizes, inconvenient portability, poor versatility and sway stability, resulting in a decrease in usage satisfaction.
A stroller reciprocating swing device is designed, including a base, a movable seat, a linear drive piece and a built-in power supply. The stroller casters are fixed by fixing belts and anti-slip pads. The linear drive piece is used to move the movable seats back and forth, ensuring the stability of casters of different sizes.
It improves the versatility and sway stability of the stroller reciprocating rocking device, enhances user satisfaction, and the device is lighter and smaller in size, making it easy to carry.
Smart Images

Figure CN223072564U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of baby carriage accessories, and particularly relates to a reciprocating swing device for a baby carriage. Background Art
[0002] For a baby in a baby carriage, people generally drive the baby carriage to swing back and forth manually to soothe and lull the baby to sleep, making the baby relax and stop crying, and even fall asleep quickly. With the progress of technology, some automatic reciprocating swing devices have emerged on the market. By placing the casters of the baby carriage in the grooves of the automatic reciprocating swing device, the baby carriage can be driven to swing back and forth automatically. However, the existing reciprocating swing devices have a complex overall structure, a large volume, are inconvenient to carry, and have poor versatility and swing stability, resulting in a decrease in the satisfaction of using the reciprocating swing device. Summary of the Utility Model
[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. For this purpose, the utility model provides a reciprocating swing device for a baby carriage, which is convenient to carry, has good versatility and swing stability, and can improve the user's satisfaction of use.
[0004] An embodiment of the utility model provides a reciprocating swing device for a baby carriage, which comprises:
[0005] A base, which is provided with a receiving cavity;
[0006] A movable seat, which is arranged above the base and can reciprocate relative to the base in the front-back direction. The movable seat is provided with a groove for receiving the caster of the baby carriage. The length of the groove extends in the front-back direction. The opening of the groove faces upward and is open. Fixing belts for binding the caster are respectively arranged on the left and right sides of the groove, and an anti-slip pad is arranged in the groove;
[0007] A linear driving member, which is arranged in the receiving cavity. The linear driving member has a movable rod, and the movable rod is fixedly connected to the lower end of the movable seat and is configured to drive the movable seat to move in the front-back direction;
[0008] An internal power source, which is arranged in the receiving cavity and is configured to supply power to the linear driving member.
[0009] The reciprocating swing device for a baby stroller according to an embodiment of the present utility model has at least the following beneficial effects: The base is provided with a receiving cavity for accommodating an internal power source and a linear driving member. The internal power source can provide sufficient voltage for the normal operation of the linear driving member, so that people can carry the reciprocating swing device for the baby stroller when going out. Before use, place the casters of the baby stroller in the grooves with anti-slip pads, and use fixing straps to bind the casters, so that the casters are fixed relative to the movable seat. Then, start the linear driving member, and the movable seat drives the casters to reciprocate in the front-rear direction under the linear driving action of the linear driving member. By setting the fixing straps, casters of different sizes can be fixed, and by setting the anti-slip pads, the frictional force between the casters and the movable seat is increased, avoiding the relative movement of the casters relative to the movable seat during the reciprocating movement in the front and rear directions, which affects the swing stability of the baby stroller, ensuring that casters of different sizes can be fixed relative to the movable seat and move back and forth with the movable seat, improving the versatility and swing stability of the reciprocating swing device for the baby stroller, thereby improving the user's satisfaction with the use of the reciprocating swing device for the baby stroller.
[0010] In some embodiments of the present utility model, mounting ears are provided on both the left and right sides of the groove, the fixing straps are in one-to-one correspondence with the mounting ears and are fixedly connected, and the fixing straps located on the left and right sides of the groove are adhered by Velcro.
[0011] In some embodiments of the present utility model, there are two fixing straps and two mounting ears, and the mounting ears are located at the middle position of the groove in the front-rear direction.
[0012] In some embodiments of the present utility model, the surface of the anti-slip pad away from the groove is provided with a plurality of anti-slip bumps.
[0013] In some embodiments of the present utility model, the groove is in an isosceles trapezoid shape, the anti-slip pad is provided with a placement groove in an isosceles trapezoid shape and open upward, and the anti-slip bumps are located on the bottom surface of the groove of the anti-slip pad.
[0014] In some embodiments of the present utility model, the movable rod is a threaded rod extending in the front-rear direction, and the movable rod is connected with a nut seat. The nut seat is fixedly connected to the lower end of the movable seat and is configured to drive the movable seat to reciprocate along the extension direction of the movable rod.
[0015] In some embodiments of the present utility model, a connecting block is provided at the lower end of the movable seat, the connecting block is provided with a bayonet, and the bayonet is snap-connected with the nut seat.
[0016] In some embodiments of the present utility model, two guide rods arranged at intervals in the left - right direction are provided above the nut seat. Each guide rod extends in the front - rear direction and is fixedly connected to the base. Each guide rod is provided with a guide block that can slide back and forth. The connecting block is located between the two guide blocks and is fixedly connected to the two guide blocks.
[0017] In some embodiments of the present utility model, a first control switch and a second control switch are provided on the side of the base. The first control switch is configured to control the on - off power connection between the built - in power supply and the linear drive member, and the second control switch is configured to control the opening and closing of the linear drive member.
[0018] In some embodiments of the present utility model, the built - in power supply is a storage battery, and the base is provided with a charging interface for charging the built - in power supply.
[0019] Other features and advantages of the present utility model will be described in the subsequent description. And, partly, they will become obvious from the description, or be understood by implementing the present utility model. The objectives and other advantages of the present utility model can be achieved and obtained through the structures specifically pointed out in the description, claims, and drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 is a three - dimensional structural schematic diagram of a reciprocating swing device for a baby stroller according to an embodiment of the present utility model;
[0021] Figure 2 is a cross - sectional schematic diagram of a reciprocating swing device for a baby stroller according to an embodiment of the present utility model;
[0022] Figure 3 is a structural schematic diagram of a linear drive member in a reciprocating swing device for a baby stroller according to an embodiment of the present utility model;
[0023] Figure 4 is a side view of a reciprocating swing device for a baby stroller according to another embodiment of the present utility model;
[0024] Figure 5 is a structural schematic diagram of a reciprocating swing device for a baby stroller according to yet another embodiment of the present utility model;
[0025] Figure 6 is a side view of a reciprocating swing device for a baby stroller according to yet another embodiment of the present utility model.
[0026] Reference Numerals: 100, base; 101, bottom shell; 102, top cover; 110, accommodation cavity; 120, support portion; 200, movable seat; 210, groove; 220, mounting ear; 221, connection hole; 230, anti-slip pad; 231, anti-slip bump; 240, connection block; 310, first control switch; 320, charging interface; 330, second control switch; 340, indicator light; 400, linear drive member; 410, movable rod; 420, nut seat; 510, guide rod; 520, guide block. Detailed Embodiment
[0027] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals denote the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation to the present utility model.
[0028] In the description of the present utility model, it should be understood that the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.
[0029] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "connected" and "connected to" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; 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. 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 situations.
[0030] Next, refer to Figures 1 to 6 Describe a reciprocating swing device for a baby stroller according to an embodiment of the present utility model.
[0031] As Figures 1 to 6 shown, the reciprocating swing device for a baby stroller according to an embodiment of the present utility model belongs to a fitting of a baby stroller and can drive the baby stroller, such as a pushchair, to swing back and forth to soothe and lull the baby on the baby stroller to sleep.
[0032] The structure of the reciprocating swing device for a baby stroller includes a base 100, a movable seat 200, a linear drive member 400, and an internal power source.
[0033] The length of the base 100 extends in the front-rear direction, the width direction of the base 100 extends in the left-right direction. The base 100 can be made of plastic. A receiving cavity 110 is formed inside the base 100 by being hollow, and the receiving cavity 110 can provide an installation position for the linear drive 400 and the built-in power supply. It can be understood that the size and shape of the receiving cavity 110 can be set according to actual needs, and the material, size and shape of the base 100 can also be set according to actual needs, and no specific limitations are made here.
[0034] In some examples, such as Figures 1 to 3 As shown, the base 100 includes a bottom shell 101 and a top cover 102. The bottom shell 101 is provided with a receiving groove with an upwardly open opening. The top cover 102 is located above the bottom shell 101, and the top cover 102 covers the opening of the receiving groove, so that the top cover 102 and the bottom shell 101 can jointly form the receiving cavity 110. The top cover 102 and the bottom shell 101 can be connected by screws. An opening structure is provided at the middle position of the top cover 102 so that the linear drive 400 can be drivingly connected to the movable seat 200.
[0035] In this embodiment, the lower surface of the bottom shell 101 is a supporting plane and can be in direct contact with the ground. Of course, it is not excluded that in other embodiments, such as Figure 4 As shown, the lower surface of the bottom shell 101 is provided with supporting portions 120. The supporting portions 120 are integrally formed with the bottom shell 101. The number of the supporting portions 120 is not limited to two. A plurality of the supporting portions 120 are arranged in an array arrangement. The shape of the supporting portions 120 is not limited to an arc shape. By directly contacting the ground through the supporting portions 120, the base 100 can be stably placed on the ground.
[0036] In other examples, such as Figure 5 and Figure 6 As shown, the base 100 is provided with a receiving cavity 110 with an upwardly open opening, and the movable seat 200 can cover the opening of the receiving cavity 110.
[0037] The length of the movable seat 200 extends in the front-rear direction, the width of the movable seat 200 extends in the left-right direction. The movable seat 200 is arranged above the base 100, and the movable seat 200 can reciprocate relative to the base 100 along the front-rear direction. The movable seat 200 can be made of plastic. The movable seat 200 is provided with a groove 210. The opening of the groove 210 is upwardly open. The function of the groove 210 is to accommodate the casters of the baby stroller. The length direction of the groove 210 extends along the front-rear direction. The groove 210 can be V-shaped or isosceles trapezoidal. The width direction of the groove 210 extends in the left-right direction. It can be understood that the material, size and shape of the movable seat 200 can be set according to the actual situation, and the size of the groove 210 can be set according to actual needs, and no specific limitations are made here.
[0038] Fixing straps are respectively provided on the left and right sides of the groove 210. One end of each fixing strap is fixedly connected to the movable seat 200. The function of the fixing straps is to bind the casters of the stroller. The other ends of the fixing straps on the left and right sides of the groove 210 are connected to each other to apply a binding effect on the casters of the stroller located in the groove 210.
[0039] In some examples, mounting ears 220 are provided on both the left and right sides of the groove 210. The mounting ears 220 are integrally formed with the movable seat 200. The number of mounting ears 220 on the same side of the groove 210 is not limited to one. The fixing straps and the mounting ears 220 are arranged in a one-to-one correspondence. Moreover, one end of each fixing strap is fixedly connected to the corresponding mounting ear 220. The fixing straps on the left and right sides of the groove 210 are adhered by Velcro. Among them, the other end of the fixing strap on one side of the groove 210 is provided with a Velcro rough surface, and the other end of the fixing strap on the other side of the groove 210 is provided with a Velcro hook surface.
[0040] In a specific embodiment, there are two fixing straps and two mounting ears 220. The mounting ears 220 are located at the middle position of the groove 210 in the front-back direction. The mounting ears 220 have connection holes 221 which are long holes. One end of each fixing strap passes through the corresponding connection hole 221 so that the fixing strap is fixedly connected to the mounting ear 220.
[0041] In some other examples, snap buttons are used to replace the Velcro on the fixing straps. Moreover, a Japanese character buckle is provided on the fixing strap to facilitate adjusting the length of the fixing strap.
[0042] An anti-slip pad 230 is provided in the groove 210. The length of the anti-slip pad 230 extends along the front-back direction, and the width of the anti-slip pad 230 extends along the left-right direction. The anti-slip pad 230 can be fixed on the movable seat 200 by screws or adhesives, etc. After the caster of the stroller is placed in the groove 210, the anti-slip pad 230 will contact the caster. The anti-slip pad 230 can be made of silicone, etc. Of course, it is not excluded that the anti-slip pad 230 can be integrally formed with the movable seat 200.
[0043] In some examples, a plurality of anti-slip bumps 231 are provided on the surface of the anti-slip pad 230 away from the groove 210. The shape of the anti-slip bumps 231 is hemispherical. The plurality of anti-slip bumps 231 are arranged on the surface of the anti-slip pad 230 in an array arrangement. The setting of the anti-slip bumps 231 can increase the friction coefficient between the anti-slip pad 230 and the caster of the stroller, so that the caster placed in the groove 210 is not prone to sliding or rolling relative to the anti-slip pad 230 and the movable seat 200 during the process of reciprocating movement back and forth under the binding of the fixing strap, ensuring that the caster is fixed to the movable seat 200, so that the caster and the movable seat 200 can move back and forth synchronously, thereby helping to improve the rocking stability of the reciprocating rocking device of the stroller.
[0044] In a specific embodiment, when viewed in the left - right direction, the groove 210 is in the shape of an isosceles trapezoid. The anti - slip pad 230 is provided with a placement groove, the opening of the placement groove is upward and open, and the placement groove is also in the shape of an isosceles trapezoid. All the anti - slip bumps 231 are located on the groove bottom surface of the anti - slip pad 230.
[0045] In some other examples, a plurality of anti - slip strips are provided on the surface of the anti - slip pad 230 away from the groove 210.
[0046] The linear driving member 400 is arranged in the accommodation cavity 110 of the base 100. The linear driving member 400 has a movable rod 410. The movable rod 410 is fixedly connected to the lower end of the movable seat 200. And when the linear driving member 400 operates, the movable rod 410 of the linear driving member 400 is configured to be able to drive the movable seat 200 to move in the front - rear direction. With the linear driving member 400 having such a structure, the space occupied by the linear driving member 400 in the accommodation cavity 110 can be reduced, so that the structure of the reciprocating swing device of the stroller is more compact, occupies less space and is convenient to carry.
[0047] It can be understood that in some examples, the movable rod 410 is a threaded rod. The movable rod 410 can be installed in the accommodation cavity 110 of the base 100 through a bearing seat. The length of the threaded rod extends in the front - rear direction. Moreover, the movable rod 410 is connected with a nut seat 420. The nut seat 420 has a threaded hole threadedly connected with the movable rod 410. The nut seat 420 is fixedly connected to the lower end of the movable seat 200. And when the linear driving member 400 operates, the nut seat 420 on the movable rod 410 is configured to be able to drive the movable seat 200 to reciprocate along the extending direction of the movable rod 410. In this embodiment, the linear driving member 400 is a lead screw linear module.
[0048] In a specific embodiment, a connecting block 240 is provided at the lower end of the movable seat 200. The connecting block 240 is located at the middle position of the movable seat 200 in the front - rear direction. The connecting block 240 can be integrally formed with the movable seat 200 or can be fixedly connected to the movable seat 200 by screws. The connecting block 240 is located above the nut seat 420. The connecting block 240 is provided with a bayonet, and the bayonet is clamped with the nut seat 420, so that the connecting block 240 can be driven by the nut seat 420 in the front - rear direction, thereby realizing that the nut seat 420 drives the connecting block 240 and the movable seat 200 to move linearly during the movement along the length direction of the movable rod 410. It can be understood that such a setting facilitates the quick disassembly and assembly of the connecting block 240 to the nut seat 420. The shape and size of the connecting block 240 can be set according to the actual situation and are not specifically limited here.
[0049] Further, above the nut seat 420, there are two guide rods 510. The guide rods 510 are round rods. The two guide rods 510 are arranged at a certain interval in the left-right direction. The length of each guide rod 510 extends in the front-back direction. Moreover, both opposite ends of the guide rod 510 are fixedly connected to the base 100. Each guide rod 510 is provided with a guide block 520 that can slide back and forth. The guide block 520 is provided with a guide hole. The outer peripheral surface of the guide rod 510 is slidably connected to the inner peripheral surface of the guide hole, enabling the guide block 520 to slide along the length direction of the guide rod 510. The connecting block 240 is located between the two guide blocks 520, and the connecting block 240 is fixedly connected to the two guide blocks 520. The guide rods 510 and the guide blocks 520 are located above the top cover 102. With such a design, when the linear drive 400 works, the nut seat 420 can drive the connecting block 240 and the movable seat 200 to reciprocate back and forth along the length directions of the guide rod 510 and the movable rod 410, and the movement stability is good.
[0050] In some other examples, the movable rod 410 is a telescopic rod. The movable rod 410 is fixedly connected to the movable seat 200. When the linear drive 400 operates, the movable rod 410 of the linear drive 400 can drive the movable seat 200 to reciprocate back and forth. In this embodiment, the linear drive 400 is an electric push rod.
[0051] The built-in power supply is arranged in the accommodation cavity 110 of the base 100, and the built-in power supply is configured to supply power to the linear drive 400, ensuring that the linear drive 400 can normally drive the movable seat 200 to reciprocate back and forth relative to the base 100. It can be understood that the built-in power supply can be a dry battery or a storage battery. A controller is also arranged in the accommodation cavity 110 of the base 100. The controller can be a PCB board. The controller is electrically connected to the built-in power supply and the linear drive 400 respectively, and the built-in power supply can provide electrical energy for the controller and the linear drive 400.
[0052] In some embodiments, a first control switch 310 and a second control switch 330 are arranged on the side surface of the base 100. Among them, the first control switch 310 is configured to control the on-off between the built-in power supply and the linear drive 400, and the second control switch 330 is configured to control the opening and closing of the linear drive 400. Specifically, the first control switch 310 and the second control switch 330 are control buttons. The first control switch 310 and the second control switch 330 are electrically connected to the controller respectively. Therefore, the user can control the power on and off by clicking the first control switch 310, and control the opening and closing of the linear drive 400 by clicking the second control switch 330.
[0053] In a specific embodiment, the built-in power supply is a battery, and the base 100 is provided with a charging interface 320. The charging interface 320, the first control switch 310 and the second control switch 330 are all located on one side of the base 100 in the left and right directions. The charging interface 320 is used to charge the built-in power supply, and the charging interface 320 is electrically connected to the controller.
[0054] Furthermore, the base 100 is provided with indicator lights 340, and the number of indicator lights 340 is three. The light that each indicator light 340 illuminates when working can be different. The three indicator lights 340 can respectively display three of the charging status, the working status of the linear drive component 400, the power-on status and the low power status.
[0055] In the reciprocating rocking device of the baby stroller provided in the embodiment of the utility model, the base 100 is provided with a accommodating cavity 110 for accommodating a built-in power supply and a linear drive component 400. The built-in power supply can provide sufficient voltage for the normal operation of the linear drive component 400, so that people can carry the reciprocating rocking device of the baby stroller when going out. Before use, the casters of the baby stroller are placed in the grooves 210 with anti-slip pads 230, and the casters are bound with fixing belts to fix the casters relative to the movable seat 200. Then, the linear drive component 400 is started, and the movable seat 200 drives the casters to reciprocate along the front and rear directions under the linear driving action of the linear drive component 400.
[0056] By setting a fixing belt, casters with different outer diameters can be fixed, and by setting an anti-slip pad 230, the friction force between the caster and the movable seat 200 is increased, so as to prevent the caster from moving relative to the movable seat 200 during the reciprocating movement and affecting the rocking stability of the baby stroller, thereby ensuring that casters with different outer diameters can be fixed relative to the movable seat 200 and move back and forth with the movable seat 200, thereby improving the versatility and rocking stability of the reciprocating rocking device of the baby stroller, thereby improving the user's satisfaction with the use of the reciprocating rocking device of the baby stroller.
[0057] The reciprocating swing device for a baby stroller provided by the embodiment of the utility model can be designed to be lighter and smaller in size, and has a built-in battery, so it can be used at any time. When in use, the user places the wheels of the baby stroller in the grooves 210 of the movable seat 200 of the reciprocating swing device for the baby stroller, and fixes the wheels with a fixing belt with Velcro, and then drives the movable seat 200 to reciprocate in the front and rear directions through the linear driving member 400, so that the baby stroller can swing back and forth.
[0058] In the description of this specification, the descriptions referring to terms such as "one embodiment", "some embodiments", "schematic embodiments", "examples", "specific examples", or "some examples", etc., mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.
[0059] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model, and the scope of the present utility model is defined by the claims and their equivalents.
Claims
1. A reciprocating swing device for a baby carriage, characterized in that, Comprising: A base (100) provided with a receiving cavity (110); A movable seat (200) disposed above the base (100) and capable of reciprocatingly moving relative to the base (100) in the front-rear direction. The movable seat (200) is provided with a groove (210) for receiving the casters of a baby stroller. The length of the groove (210) extends in the front-rear direction. The opening of the groove (210) faces upward and is open. Fixing straps for binding the casters are respectively provided on the left and right sides of the groove (210). An anti-slip pad (230) is provided in the groove (210); A linear drive member (400) disposed in the receiving cavity (110). The linear drive member (400) has a movable rod (410). The movable rod (410) is fixedly connected to the lower end of the movable seat (200) and is configured to drive the movable seat (200) to move in the front-rear direction; An internal power source disposed in the receiving cavity (110) and configured to supply power to the linear drive member (400).
2. The reciprocating swing device for a baby carriage according to claim 1, wherein Mounting ears (220) are provided on both the left and right sides of the groove (210). The fixing straps are in one-to-one correspondence with the mounting ears (220) and are fixedly connected. The fixing straps located on the left and right sides of the groove (210) are adhered by Velcro.
3. The reciprocating swing device for a baby carriage according to claim 2, characterized in that, There are two fixing straps and two mounting ears (220). The mounting ears (220) are located at the middle position of the groove (210) in the front-rear direction.
4. The reciprocating swing device for a baby carriage according to claim 1, characterized in that, A plurality of anti-slip bumps (231) are provided on the surface of the anti-slip pad (230) away from the groove (210).
5. The reciprocating swing device for a baby carriage according to claim 4, wherein, The groove (210) is in an isosceles trapezoid shape. The anti-slip pad (230) is provided with a placement groove in an isosceles trapezoid shape and open upward. The anti-slip bumps (231) are located on the bottom surface of the groove of the anti-slip pad (230).
6. The reciprocating swing device for a baby carriage according to claim 1, characterized in that, The movable rod (410) is a threaded rod extending in the front-rear direction, and a nut seat (420) is connected to the movable rod (410). The nut seat (420) is fixedly connected to the lower end of the movable seat (200) and is configured to drive the movable seat (200) to reciprocate along the extending direction of the movable rod (410).
7. The reciprocating swing device for a baby carriage according to claim 6, characterized in that, A connecting block (240) is provided at the lower end of the movable seat (200). The connecting block (240) is provided with a bayonet, and the bayonet is snap-connected to the nut seat (420).
8. The reciprocating swing device for a baby carriage according to claim 7, wherein, Above the nut seat (420), two guide rods (510) arranged at intervals in the left-right direction are provided. Each guide rod (510) extends in the front-rear direction and is fixedly connected to the base (100). Each guide rod (510) is provided with a guide block (520) capable of sliding back and forth. The connecting block (240) is located between the two guide blocks (520) and is fixedly connected to the two guide blocks (520).
9. The reciprocating swing device for a baby carriage according to claim 1, wherein, On the side of the base (100), there are a first control switch (310) and a second control switch (330). The first control switch (310) is configured to control the on-off of the built-in power supply and the linear drive (400), and the second control switch (330) is configured to control the opening and closing of the linear drive (400).
10. The reciprocating swing device for a baby carriage according to claim 1, characterized in that, The built-in power supply is a storage battery, and the base (100) is provided with a charging interface (320) for charging the built-in power supply.