CN212289991U - Infant handcart suitable for staircase - Google Patents

Abstract

The utility model discloses an infant handcart suitable for an escalator, which comprises a walking component, a frame, an electronic stabilizer device and a seat component; the frame is arranged on the walking component; the electronic stabilizer device is arranged on the frame and comprises a carrying object arranged in the vertical direction, and the seat component is arranged on the carrying object of the electronic stabilizer device. The utility model relates to an infant's handcart compares with the like product on the existing market suitable for staircase, has add the electronic stabilizer device in seat subassembly below, makes the seat no matter be on the level land or on the staircase, can both keep the level all the time, has effectively ensured baby and adult's personal safety.

Description

Infant handcart suitable for staircase

Technical Field

The utility model relates to an infant's handcart technical field, concretely relates to infant's handcart suitable for staircase.

Background

In recent years, the development of stroller (baby stroller) products is very rich, however, no stroller aiming at the usage situation of the escalator is available in spite of the current existing products and related academic papers. More unfortunately, news often reports the safety hazard of adults using baby strollers on escalator. For example, when the baby stroller in the prior art is used on a flat ground, the seat and the child are in a horizontal state, but once the baby stroller enters the escalator, the front wheel and the rear wheel of the baby stroller are positioned on the upper step and the lower step due to the inclination of the escalator, and at the moment, the seat and the baby stroller are both in an inclined state, so that safety accidents are easily caused. At present, the baby stroller frequently appears in public escalator in shopping malls, cinemas, city railways, subways and other public places, the research and development design of the baby stroller facing the using situation of the escalator is particularly important, and the baby stroller is not only related to the safety of babies in the stroller, but also related to the safety of other pedestrians on the escalator.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an infant's handcart suitable for staircase.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model relates to an infant handcart suitable for an escalator, which comprises a walking component, a frame, an electronic stabilizer device and a seat component; the frame is arranged on the walking component; the electronic stabilizer device is arranged on the frame and comprises a carrying object arranged in the vertical direction, and the seat component is arranged on the carrying object of the electronic stabilizer device.

Furthermore, the walking assembly comprises walking wheels, each walking wheel comprises a connecting wheel and an outer wheel, each connecting wheel comprises a circular wheel body, and a plurality of bulges are arranged at intervals in the circumferential direction of each wheel body; a plurality of concave limiting grooves are arranged on the inner wall of the outer wheel at intervals along the circumferential direction, and the protrusions are matched with the limiting grooves; the size, shape and spacing of the limiting groove are matched with those of the bulge.

Further, the foreign steamer includes circular shape wheel hub and cover tire, and the cover tire suit is on wheel hub, and the spacing groove is located on wheel hub's inner wall.

Further, the outer diameter of the connecting wheel is smaller than the inner diameter of the hub.

Furthermore, a plurality of fixing pieces for increasing the adhesive force are arranged on the outer surface of the outer tire.

Furthermore, the walking assembly also comprises a connecting piece, a transverse shaft and a connecting rod, the connecting wheel is rotatably arranged at the lower end of the connecting piece, the upper end of the connecting piece is sleeved on the transverse shaft, and the transverse shaft is arranged along the horizontal direction; two ends of the connecting rod are respectively connected with the cross shaft and the connecting shaft arranged on the frame.

Furthermore, the transverse shafts comprise a front transverse shaft and a rear transverse shaft, three-way pipes are sleeved on the front transverse shaft and the rear transverse shaft, and transverse damping springs are arranged between the three-way pipes between the front transverse shaft and the rear transverse shaft.

Furthermore, a seat lifting device is arranged between the seat assembly and the electronic stabilizer device, and the seat assembly and the electronic stabilizer device are connected through the seat lifting device; a vertical damping spring is sleeved outside the seat lifting device.

Further, the seat assembly includes a seat body, a sunshade disposed on the seat body, an infant protection handle, an infant safety belt, and a protection member disposed above, on a side surface of, or on a bottom of the seat body.

Furthermore, a trolley handle, a seat lifting operating rod and an indicator light are arranged on the frame.

The beneficial effects of the utility model reside in that: the utility model relates to an infant's handcart compares with the like product on the existing market suitable for staircase, has add the electronic stabilizer device in seat subassembly below, makes the seat no matter be on the level land or on the staircase, can both keep the level all the time, has effectively ensured baby and adult's personal safety.

Drawings

In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:

fig. 1 is a perspective view of the infant handcart suitable for the escalator of the present invention.

Fig. 2 is a perspective view of the walking wheel of the infant handcart suitable for the escalator.

Fig. 3 is a usage status diagram of the infant handcart suitable for the escalator of the present invention.

In the drawings, 1 is a walking assembly, 2 is a frame, 3 is an electronic stabilizer device, 4 is a seat assembly, 10 is a walking wheel, 11 is a connecting wheel, 12 is an outer wheel, 110 is a wheel body, 111 is a protrusion, 120 is a limiting groove, 121 is a wheel hub, 122 is an outer tire, 123 is a fixing member, 13 is a connecting member, 14 is a transverse shaft, 15 is a connecting rod, 16 is a three-way pipe, 17 is a transverse damping spring, 5 is a seat lifting device, 51 is a vertical damping spring, 40 is a seat body, 41 is a sunshade, 42 is an infant protection handle, 43 is a protection member, and 21 is a cart handle.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

As shown in fig. 1, the present invention relates to an infant stroller for an escalator, which comprises a walking assembly 1, a frame 2, an electronic stabilizer device 3 and a seat assembly 4. The frame 2 is arranged on the walking component 1, the walking component 1 is used for supporting and driving the trolley to move integrally, and the frame 2 is used for bearing other parts of the trolley. The electronic stabilizer device 3 is arranged on the frame 2, the electronic stabilizer device 3 includes a carrier arranged in a vertical direction, and the carrier refers to other components such as a shaft and a platform which are used for being connected with a target object which needs to keep a certain fixed angle in the electronic stabilizer device 3. The seat assembly 4 is provided on the carrier of the electronic stabilizer device 3. The working principle of the electronic stabilizer device is as follows: the gyro sensor is added with three motors to keep the stabilizer balanced on three axes, namely a pitching shaft, a transverse rolling shaft and a rotating shaft, so that the desired stabilizing effect is achieved, the infant trolley is positioned at any place of the horizontal or inclined position through the principle, the seat used for accommodating the infant on the infant trolley is always kept horizontal, and the personal safety of the infant and the adult is effectively guaranteed. The electronic stabilizer device has various specific structures, can adopt the electronic stabilizer device in the prior art, and can also properly change the structural strength by using a conventional means according to actual needs, such as load bearing requirements. Currently, electronic stabilizer devices are widely used in image pickup and photographing devices.

As shown in fig. 2, the traveling assembly 1 includes a traveling wheel 10, the traveling wheel 10 includes a connecting wheel 11 and an outer wheel 12, the connecting wheel 11 includes a circular wheel body 110, and a plurality of protrusions 111 are arranged at intervals in the circumferential direction of the wheel body 110. A plurality of concave limiting grooves 120 are arranged on the inner wall of the outer wheel 12 at intervals along the circumferential direction, and the protrusions 111 are matched with the limiting grooves 120. The size, shape and spacing of the retaining grooves 120 match the size, shape and spacing of the protrusions 111. In the present embodiment, the outer wheel 12 includes a circular hub 121 and an outer tire 122, the outer tire 122 is fitted over the hub 121, and the stopper groove 120 is provided on the inner wall of the hub 121. The outer diameter of the fifth wheel 11 is smaller than the inner diameter of the hub 121.

As a further improvement, a plurality of fasteners 123 for increasing the contact adhesion with the ground are provided on the outer surface of the outer tube 122 to further enhance the stability and packaging safety of the cart.

The walking assembly 1 further comprises a connecting piece 13, a transverse shaft 14 and a connecting rod 15, the connecting wheel 11 is rotatably arranged at the lower end of the connecting piece 13, the upper end of the connecting piece 13 is sleeved on the transverse shaft 14, the transverse shaft 14 is arranged along the horizontal direction, and two ends of the connecting rod 15 are respectively connected with the transverse shaft 14 and the connecting shaft arranged on the frame 2.

In the present embodiment, the traveling wheels 10 are divided into front and rear wheel pairs, and the number of the connecting members 13 corresponds to the number of the traveling wheels 10, as shown in the attached drawings.

As shown in fig. 3, by the design of the walking assembly 1, especially the design of the connecting wheel 11, it can be adapted to the track change of the escalator and rotate and lift properly, and can be fully adapted to the change of the escalator from the level of the starting position to the inclined position and then to the level, so that parents and babies can safely pass through the escalator.

The transverse shaft 14 comprises a front transverse shaft and a rear transverse shaft, a three-way pipe 16 is sleeved on the front transverse shaft and the rear transverse shaft, a transverse damping spring 17 is arranged between the three-way pipes 16 between the front transverse shaft and the rear transverse shaft, two ends of the transverse damping spring 17 can be respectively connected with the three-way pipes 16, a rod can be arranged between the pipelines, and then the spring is sleeved on the rod.

A seat lifting device 5, such as a conventional hydraulic lifting device, is provided between the seat assembly 4 and the electronic stabilizer device. Connecting the seat assembly 4 and the electronic stabilizer device by a seat lifting device 5; a vertical damper spring 51 is provided around the seat lifting device 5.

The seat assembly 4 includes a seat body 40, a sunshade 41 provided on the seat body 40, an infant protection handle 42, an infant safety belt, and a protection member 43 provided above, on a side surface, or on a bottom of the seat body 40 to protect an infant in a vehicle in multiple directions.

The frame 2 is provided with a trolley handle 21, a seat lifting operation rod and an indicator light, and various functional switches and the like can be arranged according to requirements.

The utility model relates to an infant's handcart compares with the like product on the existing market suitable for staircase, has add the electronic stabilizer device in seat subassembly below, makes the seat no matter be on the level land or on the staircase, can both keep the level all the time, has effectively ensured baby and adult's personal safety. The escalator can ensure that adults, children and pedestrians can safely pass through the escalator, and is suitable for people with infants in public places such as shopping malls, cinemas, city railways and subways. Although some large shopping malls are provided with large luggage and vertical elevators used by baby strollers, baby strollers specially designed for the problem in the market do not exist at present, so that the baby strollers have social value and commercial value.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

In the description of the present invention, it should be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, when referring to the orientation or positional relationship indicated in the drawings, are used for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention. Furthermore, the appearances of the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Claims (10)

1. The utility model provides an infant's handcart suitable for staircase which characterized in that: comprises a walking component, a frame, an electronic stabilizer device and a seat component; the frame is arranged on the walking assembly; the electronic stabilizer device is arranged on the frame and comprises a carrier arranged in the vertical direction, and the seat assembly is arranged on the carrier of the electronic stabilizer device.

2. The escalator-suitable infant stroller according to claim 1, characterized in that: the walking assembly comprises walking wheels, each walking wheel comprises a connecting wheel and an outer wheel, each connecting wheel comprises a circular wheel body, and a plurality of bulges are arranged at intervals in the circumferential direction of each wheel body; a plurality of downward concave limiting grooves are formed in the inner wall of the outer wheel at intervals along the circumferential direction, and the protrusions are matched with the limiting grooves; the size, shape and spacing of the limiting groove are matched with those of the bulge.

3. The escalator-suitable infant pushchair according to claim 2, wherein: the outer wheel comprises a circular wheel hub and an outer tire, the outer tire is sleeved on the wheel hub, and the limiting groove is formed in the inner wall of the wheel hub.

4. The escalator-suitable infant stroller according to claim 3, characterized in that: the outer diameter of the connecting wheel is smaller than the inner diameter of the hub.

5. The escalator-suitable infant stroller according to claim 4, characterized in that: the outer surface of the outer tire is provided with a plurality of fixing pieces for increasing adhesive force.

6. An infant pushchair suitable for use in an escalator as claimed in any one of claims 2-5, wherein: the walking assembly further comprises a connecting piece, a transverse shaft and a connecting rod, the connecting wheel is rotatably arranged at the lower end of the connecting piece, the upper end of the connecting piece is sleeved on the transverse shaft, and the transverse shaft is arranged along the horizontal direction; and two ends of the connecting rod are respectively connected with the cross shaft and a connecting shaft arranged on the frame.

7. The escalator-suitable infant stroller according to claim 6, characterized in that: the transverse shafts comprise a front transverse shaft and a rear transverse shaft, three-way pipes are sleeved on the front transverse shaft and the rear transverse shaft, and transverse damping springs are arranged between the three-way pipes between the front transverse shaft and the rear transverse shaft.

8. The escalator-suitable infant stroller according to claim 1, characterized in that: a seat lifting device is arranged between the seat assembly and the electronic stabilizer device, and the seat assembly and the electronic stabilizer device are connected through the seat lifting device; and a vertical damping spring is sleeved outside the seat lifting device.

9. The escalator-suitable infant stroller according to claim 1, characterized in that: the seat assembly comprises a seat body, a sunshade arranged on the seat body, an infant protection handle, an infant safety belt and a protection piece, wherein the protection piece is arranged above, on the side face or at the bottom of the seat body.

10. The escalator-suitable infant stroller according to claim 1, characterized in that: the frame is provided with a trolley handle, a seat lifting operating rod and an indicator light.

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