阅读说明：本技术 一种具有防后溜功能的婴儿手推车 (Baby stroller with backward-sliding prevention function ) 是由 王景 于 2021-07-23 设计创作，主要内容包括：本发明涉及母婴用品技术领域,且公开了一种具有防后溜功能的婴儿手推车,所述壳体内壁固定连接有固定组件,固定组件的正面固定连接有车轮,壳体的内壁固定连接有控制组件,转轴的内壁固定连接有电磁铁,转轴的外侧活动连接有磁致伸缩杆,磁致伸缩杆的顶部固定连接有卡块,卡块的左侧固定连接有与转轴的外侧固定连接的弹簧一。该具有防后溜功能的婴儿手推车将手推车推上斜坡,重力球在重力的影响下向下滑动带动挤压杆,挤压杆带动电介质板运行,改变正极板和负极板之间的相对面积产生电流,电流对电磁铁进行通电,电磁铁产生磁场带动磁致伸缩杆伸长,当车轮向后溜时可以使得卡块被卡在固定套对应的凹槽中,从而达到了防止手推车后溜的效果。(The invention relates to the technical field of mother and infant products, and discloses a baby stroller with a backward sliding prevention function. This baby's handcart with prevent swift current function after pushes up the slope with the handcart, and the gravity ball slides down under the influence of gravity and drives the stripper bar, and the stripper bar drives the operation of dielectric plate, changes the relative area between positive plate and the negative plate and produces the electric current, and the electric current is switched on to the electro-magnet, and the electro-magnet produces magnetic field and drives the extension of magnetostrictive rod, can make the fixture block blocked in the recess that fixed cover corresponds when the wheel is swift current backward to the effect of swift current after having reached and preventing the handcart.)

1. A baby stroller with anti-rollback functionality comprising a housing (1), characterized in that: the inner wall of the shell (1) is fixedly connected with a fixing component (2), the front face of the fixing component (2) is fixedly connected with a wheel (3), and the inner wall of the shell (1) is fixedly connected with a control component (4).

2. A stroller according to claim 1, having an anti-rollback function, wherein: fixed subassembly (2) are including fixed cover (21) and pivot (22), the inner wall fixedly connected with electro-magnet (23) of pivot (22), the outside swing joint of pivot (22) has magnetostrictive rod (24), the top fixedly connected with fixture block (25) of magnetostrictive rod (24), the left side fixedly connected with of fixture block (25) and the outside fixed connection's of pivot (22) spring (26).

3. A stroller according to claim 2, wherein said stroller is further characterized in that: the control assembly (4) comprises a positive plate (41), a negative plate (42), a piezoresistor (43), an extrusion groove (44) and a movable groove (45), wherein a second spring (46) is fixedly connected to the left side of the inner wall of the extrusion groove (44), an extrusion rod (47) which penetrates through and extends to the inner wall of the movable groove (45) is fixedly connected to the right side of the second spring (46), a dielectric plate (48) is fixedly connected to the inner wall of the extrusion rod (47), and a gravity ball (49) is movably connected to the inner wall of the movable groove (45).

4. A stroller according to claim 3, wherein said stroller is further characterized in that: the positive plate (41) and the negative plate (42) are the same in shape and size, and the positive plate (41) and the negative plate (42) are symmetrical to each other.

5. A stroller according to claim 3, wherein said stroller is further characterized in that: the negative plate (42) is electrically connected with the piezoresistor (43), and the piezoresistor (43) is electrically connected with the electromagnet (23).

6. A stroller according to claim 3, wherein said stroller is further characterized in that: the vertical section of the extrusion rod (47) is cylindrical, and the extrusion rod (47) is made of light plastic.

7. A stroller according to claim 2, wherein said stroller is further characterized in that: the inner wall of the fixed sleeve (21) is provided with a groove matched with the size of the clamping block (25), and one end of the rotating shaft (22) is fixedly connected to the middle of the wheel (3).

8. A stroller according to claim 2, wherein said stroller is further characterized in that: a rotating pin is arranged at the joint of the magnetostrictive rod (24) and the rotating shaft (22), and a rotating pin is arranged at the joint of the first spring (26) and the clamping block (25).

Technical Field

The invention relates to the technical field of mother and infant articles, in particular to a baby stroller with a back-slip prevention function.

Background

The maternal and infant products generally refer to professional health products provided for two groups of pregnant and delivery women and infants between 0 and 3 years, wherein the common baby stroller can be used in many scenes, such as sleeping, going out and eating, except for being a necessary tool for family members to take the baby to go out and walk.

However, the baby stroller in the current market has certain disadvantages in the use process, the utilization rate of the baby stroller is so high that the safety problem cannot be relieved, but when a family wears the baby stroller to go up a slope, the family can feel more strenuous and labored, and the baby stroller can slide backwards carelessly, so that the baby stroller is easy to be out of control and hurt to the baby, and therefore, the baby stroller with the anti-backward-sliding function is provided to solve the problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the baby stroller with the backward sliding prevention function, which has the advantage of backward sliding prevention and solves the problem of backward sliding of the stroller.

(II) technical scheme

In order to achieve the purpose of preventing backward sliding, the invention provides the following technical scheme: the utility model provides a baby's handcart with prevent swift current function, includes the casing, the fixed subassembly of shells inner wall fixedly connected with, the front fixedly connected with wheel of fixed subassembly, the inner wall fixedly connected with control assembly of casing.

Preferably, the fixed subassembly includes fixed cover and pivot, the inner wall fixedly connected with electro-magnet of pivot, the outside swing joint of pivot has the magnetostrictive rod, the top fixedly connected with fixture block of magnetostrictive rod, the left side fixedly connected with of fixture block and the outside fixed connection's of pivot spring one, spring one has played the effect of supporting the fixture block.

Preferably, the control assembly includes positive plate, negative plate, piezo-resistor, extrusion groove and activity groove, the left side fixedly connected with spring of extrusion inslot wall, the right side fixedly connected with of spring run through and extend to the stripper bar of activity inslot wall, the inner wall fixedly connected with dielectric plate of stripper bar, the inner wall swing joint in activity groove has the gravity ball, the roll that the gravity ball can be free under the influence of gravity.

Preferably, the shape and size of the positive plate and the negative plate are the same, the positive plate and the negative plate are symmetrical to each other, and the positive plate and the negative plate play a role in changing current and voltage.

Preferably, the negative plate is electrically connected with the piezoresistor, the piezoresistor is electrically connected with the electromagnet, and when the current exceeds the minimum resistance value of the piezoresistor, the piezoresistor can electrify the electromagnet.

Preferably, the vertical section of the extrusion rod is cylindrical, the extrusion rod is made of light plastic, and the extrusion rod can displace after being pressed.

Preferably, the inner wall of the fixed sleeve is provided with a groove matched with the size of the fixture block, one end of the rotating shaft is fixedly connected to the middle of the wheel, and the fixture block plays a role in limiting the movement of the rotating shaft.

Preferably, a rotating pin is arranged at the joint of the magnetostrictive rod and the rotating shaft, a rotating pin is arranged at the joint of the first spring and the clamping block, and the rotating pin plays a role in moving the magnetostrictive rod.

(III) advantageous effects

Compared with the prior art, the invention provides the baby stroller with the back-sliding prevention function, which has the following beneficial effects:

1. this baby's handcart with prevent swift current function after, through pushing away the handcart on the slope, the gravity ball slides down under the influence of gravity and drives the action of extrusion stem, the action of extrusion stem drive dielectric plate, change the relative area between positive plate and the negative plate and produce the electric current, the electric current is circular telegram to the electro-magnet, the electro-magnet produces magnetic field and drives the extension of magnetostrictive rod, can make the fixture block blocked in the recess that fixed cover corresponds when the wheel is swift current after to, thereby reached the effect that prevents swift current after the handcart.

2. This baby's handcart with prevent swift current function after, when the handcart moved on the level land, the action of squeezer bar at spring two drove the dielectric medium board and moves, changes the relative area between positive plate and the negative plate and cuts off the electric current, and magnetostrictive rod loses the influence in magnetic field and contracts and drive the fixture block and fix the cover separation to reached and let the handcart free operation's on the level land effect.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a fixing assembly according to the present invention;

FIG. 3 is a schematic structural diagram of a control assembly according to the present invention;

fig. 4 is a schematic view of the operation structure of the gravity ball of the present invention.

In the figure: 1. a housing; 2. a fixing assembly; 21. fixing a sleeve; 22. a rotating shaft; 23. an electromagnet; 24. a magnetostrictive rod; 25. a clamping block; 26. a first spring; 3. a wheel; 4. a control component; 41. a positive plate; 42. a negative plate; 43. a voltage dependent resistor; 44. extruding a groove; 45. a movable groove; 46. a second spring; 47. an extrusion stem; 48. a dielectric plate; 49. a gravity ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1 and 2, a baby stroller with anti-backward-sliding function comprises a housing 1, a fixing component 2 fixedly connected to the inner wall of the housing 1, wheels 3 fixedly connected to the front side of the fixing component 2, and a control component 4 fixedly connected to the inner wall of the housing 1; the fixing component 2 comprises a fixing sleeve 21 and a rotating shaft 22, an electromagnet 23 is fixedly connected to the inner wall of the rotating shaft 22, a magnetostrictive rod 24 is movably connected to the outer side of the rotating shaft 22, a clamping block 25 is fixedly connected to the top of the magnetostrictive rod 24, a groove matched with the clamping block 25 in size is formed in the inner wall of the fixing sleeve 21, one end of the rotating shaft 22 is fixedly connected to the middle of the wheel 3, and the clamping block 25 plays a role in limiting the movement of the rotating shaft 22;

the left side of the clamping block 25 is fixedly connected with a first spring 26 fixedly connected with the outer side of the rotating shaft 22, the first spring 26 plays a role in supporting the clamping block 25, a rotating pin is arranged at the joint of the magnetostrictive rod 24 and the rotating shaft 22, a rotating pin is arranged at the joint of the first spring 26 and the clamping block 25, and the rotating pin plays a role in enabling the magnetostrictive rod 24 to move.

Example two:

referring to fig. 1 and 3, a baby stroller with anti-backward-sliding function comprises a housing 1, a fixing component 2 fixedly connected to the inner wall of the housing 1, wheels 3 fixedly connected to the front side of the fixing component 2, and a control component 4 fixedly connected to the inner wall of the housing 1;

the control assembly 4 comprises a positive plate 41, a negative plate 42, a piezoresistor 43, an extrusion groove 44 and a movable groove 45, wherein the positive plate 41 and the negative plate 42 are identical in shape and size, the positive plate 41 and the negative plate 42 are symmetrical to each other, the positive plate 41 and the negative plate 42 play a role in changing current and voltage, the negative plate 42 is electrically connected with the piezoresistor 43, the piezoresistor 43 is electrically connected with the electromagnet 23, and when the current exceeds the minimum resistance value of the piezoresistor 43, the piezoresistor 43 can electrify the electromagnet 23;

the left side fixedly connected with spring two 46 of extrusion groove 44 inner wall, the right side fixedly connected with of spring two 46 runs through and extends to the extrusion pole 47 of movable groove 45 inner wall, the vertical cross-section of extrusion pole 47 is the cylindricality, extrusion pole 47 is a light plastics material, extrusion pole 47 can take place the displacement after receiving pressure, extrusion pole 47's inner wall fixedly connected with dielectric plate 48, the inner wall swing joint of movable groove 45 has gravity ball 49, gravity ball 49 can be free roll under the influence of gravity.

Example three:

referring to fig. 1-4, a stroller with anti-backward-sliding function comprises a housing 1, a fixing component 2 fixedly connected to an inner wall of the housing 1, a wheel 3 fixedly connected to a front surface of the fixing component 2, and a control component 4 fixedly connected to an inner wall of the housing 1; the fixing component 2 comprises a fixing sleeve 21 and a rotating shaft 22, an electromagnet 23 is fixedly connected to the inner wall of the rotating shaft 22, a magnetostrictive rod 24 is movably connected to the outer side of the rotating shaft 22, a clamping block 25 is fixedly connected to the top of the magnetostrictive rod 24, a groove matched with the clamping block 25 in size is formed in the inner wall of the fixing sleeve 21, one end of the rotating shaft 22 is fixedly connected to the middle of the wheel 3, and the clamping block 25 plays a role in limiting the movement of the rotating shaft 22;

the left side of the clamping block 25 is fixedly connected with a first spring 26 fixedly connected with the outer side of the rotating shaft 22, the first spring 26 plays a role in supporting the clamping block 25, a rotating pin is arranged at the joint of the magnetostrictive rod 24 and the rotating shaft 22, a rotating pin is arranged at the joint of the first spring 26 and the clamping block 25, the rotating pin plays a role in enabling the magnetostrictive rod 24 to move, the control assembly 4 comprises a positive plate 41, a negative plate 42, a piezoresistor 43, an extrusion groove 44 and a moving groove 45, the shape and the size of the positive plate 41 and the negative plate 42 are the same, the positive plate 41 and the negative plate 42 are symmetrical to each other, and the positive plate 41 and the negative plate 42 play a role in changing current and voltage;

negative plate 42 and piezo-resistor 43 electrical property link to each other, piezo-resistor 43 and electro-magnet 23 electrical property link to each other, when the minimum resistance of piezo-resistor 43 is exceeded to the electric current, piezo-resistor 43 can be circular telegram to electro-magnet 23, the left side fixedly connected with spring two 46 of extrusion groove 44 inner wall, the right side fixedly connected with of spring two 46 runs through and extends to the extrusion stem 47 of activity groove 45 inner wall, the vertical cross-section of extrusion stem 47 is the cylindricality, extrusion stem 47 is a light plastic material, can take place the displacement after the extrusion stem 47 receives pressure, the inner wall fixedly connected with dielectric plate 48 of extrusion stem 47, the inner wall swing joint of activity groove 45 has gravity ball 49, gravity ball 49 can be free roll under the influence of gravity.

The working principle is as follows: when the trolley is pushed to a slope, the influence of gravity is more strenuous, if people are tired, the trolley can slide backwards, so that the gravity ball 49 slides downwards under the influence of gravity to drive the extrusion rod 47 to operate, the extrusion rod 47 drives the dielectric plate 48 to operate, the relative area between the positive plate 41 and the negative plate 42 is changed to generate current, the electromagnet 23 is electrified by the current, the electromagnet 23 generates a magnetic field to drive the magnetostrictive rod 24 to extend, and when the wheel 3 slides backwards, the clamping block 25 can be clamped in the corresponding groove of the fixing sleeve 21, so that the effect of preventing the trolley from sliding backwards is achieved;

meanwhile, in order not to affect daily use, when the trolley runs on flat ground, the extrusion rod 47 drives the dielectric plate 48 to run under the action of the second spring 46, the relative area between the positive plate 41 and the negative plate 42 is changed, the current is cut off, the magnetostrictive rod 24 loses the influence of the magnetic field, retracts, and drives the fixture block 25 to be separated from the fixed sleeve 21, and therefore the trolley freely runs on the flat ground.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.