阅读说明：本技术 一种儿童用品的转向机构 (steering mechanism for children's article ) 是由 拉尔夫·霍利斯 王俊马 俞学明 于 2019-09-12 设计创作，主要内容包括：本发明涉及一种儿童用品的转向机构,儿童用品包括固定体、与固定体转动连接的转动体,转动体相对固定体在其转动方向上至少具有固定的第一朝向和第二朝向,转向机构包括用于将固定体与转动体相对锁定的锁定件、趋向于带动锁定件运动并使固定体与转动体相对锁定的第一驱动机构、趋向于带动锁定件运动并使固定体与转动体之间解除锁定的第二驱动机构,第二驱动机构包括用于人员操作的操作件、传动组件,操作件相对于转动体具有第一使用位置和第二使用位置；转向机构通过结构的巧妙设计,整体结构紧凑合理,对脚踏杆进行充分应用使其作为用于解锁的脚踏杆使用,且实现坐兜转向后自动锁定,锁定工作无需人员手动操作,操作使用时非常方便。(The invention relates to a steering mechanism for children, which comprises a fixed body and a rotating body rotationally connected with the fixed body, wherein the rotating body at least has a fixed direction and a fixed second direction relative to the fixed body, the steering mechanism comprises a locking piece for locking the fixed body and the rotating body relatively, a driving mechanism tending to drive the locking piece to move and lock the fixed body and the rotating body relatively, and a second driving mechanism tending to drive the locking piece to move and unlock between the fixed body and the rotating body, the second driving mechanism comprises an operating piece and a transmission assembly for personnel operation, the operating piece has a use position and a second use position relative to the rotating body, and the steering mechanism is skillfully designed by structure, compact and reasonable in overall structure, fully applies the pedal rod to be used as a pedal rod for unlocking, realizes automatic locking after sitting and steering, does not need manual operation of personnel, and is very convenient to operate and use.)

steering mechanism for children products, which is characterized in that the children products includes a fixed body, a rotating body rotationally connected with the fixed body, the rotating body has at least a fixed orientation and a fixed second orientation in the rotating direction relative to the fixed body, the steering mechanism includes a locking piece for locking the fixed body and the rotating body relatively, a driving mechanism tending to drive the locking piece to move and lock the fixed body and the rotating body relatively, a second driving mechanism tending to drive the locking piece to move and unlock between the fixed body and the rotating body, the second driving mechanism includes an operating piece for human operation, a transmission component connected with the operating piece and capable of driving the locking piece to move, and the operating piece has a use position and a second use position relative to the rotating body;

when the operator operates the operating element to move to the th use position relative to the rotating body, the transmission assembly drives the locking piece to move and can unlock the fixed body and the rotating body,

when the operating member is continuously kept at the use position and the rotating body is rotated to the orientation or the second orientation, the driving mechanism can drive the locking piece to move and lock the fixed body and the rotating body relatively.

2. The steering mechanism for children's products according to claim 1, wherein: the locking piece is gliding to be located on the rotor, seted up on the fixed body with the draw-in groove of locking piece cooperation joint, work as the locking piece slides and the card is gone into during the draw-in groove, the fixed body with the rotor is relative to be locked.

3. The steering mechanism for children products according to claim 2, wherein the transmission assembly comprises a sliding seat slidably disposed on the rotating body, and a ratchet gear disposed on an end of the sliding seat , wherein the other end of the sliding seat is abutted with the operating member, and the ratchet gear can drive the locking member to disengage from the slot.

4. The steering mechanism of children's products according to claim 3, wherein said ratchet is located at the front side of the moving direction of said locking member when sliding into said slot, when said transmission assembly drives said locking member to move to unlock, the end of said ratchet will abut against and push said locking member, so that said locking member will be disengaged from said slot.

5. The steering mechanism for children's products according to claim 3, wherein said ratchet is rotatably connected to said slide base, said ratchet has th state and a second state located above th state on its rotation path, said ratchet is capable of pushing said locking member out of said notch when said ratchet is in th state, and said ratchet is incapable of pushing said locking member in the sliding direction of said locking member when said ratchet is in the second state.

6. The steering mechanism for children's wear as claimed in claim 5, further comprising a torsion spring tending to move the ratchet to the th state and an urging structure tending to move the ratchet to the second state.

7. The steering mechanism of children products according to claim 6, wherein the ratchet has an abutting portion capable of abutting against the locking member and a guiding portion connected below the abutting portion, the driving structure includes a guiding groove formed on the fixing body, the guiding portion is located in the guiding groove when the ratchet is in th state, when the rotating body is rotated, the ratchet follows to rotate, and the ratchet rotates upwards to the second state by the guiding effect of the guiding portion and the inclined groove surface of the guiding groove.

8. The steering mechanism for children products according to any of claims 1-7, wherein the children products are stroller or dining chair, the fixing body is a fixing disc arranged on a frame of the stroller or the dining chair, the rotating body is a sitting pocket grafted on the fixing disc, and the steering mechanism is arranged between the fixing disc and the sitting pocket.

9. The steering mechanism of children products according to claim 8, wherein the operating member is a foot lever pivotally connected to the seat bag, the foot lever is located above the plane of the seat surface of the seat bag when the foot lever is pivoted to the th use position, and the foot lever is located below the plane of the seat surface of the seat bag when the foot lever is pivoted to the second use position.

10. The steering mechanism for children's products according to claim 3, wherein: the operating piece is characterized in that a rotating shaft is fixedly connected between two end parts of the operating piece, the rotating shaft is rotatably arranged on the rotating body, a bent transmission part is formed in the middle of the rotating shaft, a transmission hole is formed in the sliding seat, and the bent transmission part is arranged in the transmission hole.

Technical Field

The invention relates to a steering mechanism of children products.

Background

The baby stroller is a favorite walking vehicle for babies, and is an essential item for a long-family baby to shop on the street.

Disclosure of Invention

The invention aims to provide a steering mechanism of children products.

In order to solve the technical problems, the invention adopts technical schemes:

A steering mechanism for children's products, the children's products includes a fixed body, a rotating body rotationally connected with the fixed body, the rotating body has at least a fixed orientation and a second orientation relative to the fixed body in the rotating direction, the steering mechanism includes a locking piece for locking the fixed body and the rotating body relatively, a driving mechanism tending to drive the locking piece to move and lock the fixed body and the rotating body relatively, a second driving mechanism tending to drive the locking piece to move and unlock between the fixed body and the rotating body, the second driving mechanism includes an operating piece for human operation, a transmission component connected with the operating piece and capable of driving the locking piece to move, the operating piece has a use position and a second use position relative to the rotating body;

when the operator operates the operating element to move to the th use position relative to the rotating body, the transmission component drives the locking piece to move and can unlock the fixed body and the rotating body,

when the operating member is continuously kept at the use position and the rotating body is rotated to the orientation or the second orientation, the driving mechanism can drive the locking piece to move and lock the fixed body and the rotating body relatively.

Preferably, the locking piece is gliding to be located on the rotor, offer the draw-in groove with locking piece cooperation joint on the fixed body, when the locking piece slides and the draw-in groove is gone into to the card, the fixed body is locked with the rotor relatively.

Preferably, the transmission assembly comprises a sliding seat arranged on the rotating body in a sliding manner and a ratchet arranged at the end part of the sliding seat , the other end part of the sliding seat is in butt joint with the operating piece, and the ratchet can drive the locking piece to be separated from the clamping groove.

Preferably, the ratchet is located at the front side of the movement direction when the locking piece slides into the clamping groove, and when the transmission assembly drives the locking piece to move and unlock, the end of the ratchet is abutted against and pushes the locking piece, so that the locking piece is separated from the clamping groove.

Preferably, the ratchet is rotationally connected to the sliding seat, the ratchet has th state and a second state which is located above th state on the rotation track, when the ratchet is in th state, the ratchet can push the locking piece to be separated from the clamping groove, and when the ratchet is in the second state, the ratchet cannot push the locking piece in the sliding direction of the locking piece.

Preferably, the steering mechanism further includes a torsion spring tending to move the ratchet to the th state, and an entrainment structure tending to move the ratchet to the second state.

Preferably, the ratchet has the conflict portion that can set up with the locking piece cooperation conflict and connects the guide part in conflict portion below, drives the structure including seting up the guide way on the fixed body, and when the ratchet was in th state, the guide part was located the guide way, and when rotating the rotor, the rotation was followed to the ratchet, and then through the guide effect of the slash face of guide part and guide way, the ratchet upwards rotated to the second state.

Preferably, the children article is a stroller or a dining chair, the fixing body is a fixing disc arranged on a frame of the stroller or a frame of the dining chair, the rotating body is a sitting pocket grafted on the fixing disc, and the steering mechanism is arranged between the fixing disc and the sitting pocket.

Preferably, the operating member is a pedal lever rotatably connected to the seat bag, when the pedal lever rotates to the th use position, the pedal lever is located above the plane of the seat surface of the seat bag, and when the pedal lever rotates to the second use position, the pedal lever is located below the plane of the seat surface of the seat bag.

Preferably, a rotating shaft is fixedly connected between the two end parts of the operating part, the rotating shaft is rotatably arranged on the rotating body, a curved transmission part is formed in the middle of the rotating shaft, a transmission hole is formed in the sliding seat, and the curved transmission part is arranged in the transmission hole.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:

when the children article corresponds to a child stroller, the steering mechanism is used for controlling the locking relation between the fixed disc (the fixed body) and the seat bag (the rotating body), when the pedal rod is pushed to the th use position, the locking piece can release the locking relation between the fixed disc and the seat bag, and the seat bag can be automatically locked after rotating to switch the required orientation without restoring the pedal rod to the original position (the second use position) (the th driving mechanism automatically pushes the locking piece to lock the motion).

Drawings

FIG. 1 is a schematic perspective view of a fixed plate and a steering mechanism of the present invention (with a foot bar in a second position of use);

FIG. 2 is a schematic perspective view of the fixing plate, the locking member and the ratchet according to the present invention (the locking member is engaged with the engaging groove, and the ratchet is at state );

FIG. 3 is a schematic perspective view of the fixing plate of the present invention engaged with a steering mechanism (the foot lever is at the rd position of use);

FIG. 4 is a schematic perspective view of the fixing disk, the locking member and the ratchet of the present invention (the locking member is disengaged from the engaging groove, the ratchet is in the second state, and the seat bag rotates for a fixed angle);

FIG. 5 is a schematic perspective view of the fixing plate, the seat bag and the foot rest bar of the present invention in a state of being engaged;

FIG. 6 is a side cross-sectional view of the child article of the present invention in a normal use condition;

FIG. 7 is a side cross-sectional view of the child article of the present invention in a ready to reverse position (with the locking element unlocked);

FIG. 8 is a side cross-sectional view (ratchet raised) of the child article of the present invention during the reversing process;

FIG. 9 is a side cross-sectional view of the child article of the present invention after reversing (locking element re-locked);

wherein: 100. fixing the disc; 101. a card slot; 102. a guide groove; 200. a bag is seated; 201. a seating surface; 300. a foot lever; 3001. a rotating shaft; 301. a bending transmission part; 302. a drive bore; 31. a slide base; 32. a ratchet; 320. a torsion spring; 321. a contact part; 322. a guide portion; 33. a locking member; 330. an avoidance groove; 40. a spring.

Detailed Description

The invention is described in further detail with reference to the figures and the specific embodiments.

As shown in fig. 1 to 9, kinds of steering mechanisms for children products, the children products include a fixing body and a rotating body rotatably connected with the fixing body, the children products are specifically a stroller, the fixing body is a fixing disc 100 provided on a frame of the stroller, the rotating body is a sitting pocket 200 grafted on the fixing disc 100, the sitting pocket 200 at least has a th orientation (facing forward by the child) and a second orientation (facing backward by the child) in a rotating direction relative to the fixing disc 100, the steering mechanisms can release a relative locking relationship between the fixing disc 100 and the sitting pocket 200 or lock the sitting pocket 200 relative to the fixing disc 100 when the sitting pocket 200 rotates to a required orientation.

The steering mechanism comprises a locking piece 33 which is arranged on the sitting bag 200 in a sliding mode and used for locking the fixed disk 100 and the sitting bag 200 relatively, a -th driving mechanism which tends to drive the locking piece 33 to slide and enable the fixed disk 100 and the sitting bag 200 to be locked relatively, and a second driving mechanism which tends to drive the locking piece 33 to slide and enable the fixed disk 100 and the sitting bag 200 to be unlocked relatively, wherein a clamping groove 101 matched and clamped with the locking piece 33 is formed in the fixed disk 100, and when the locking piece 33 slides and is clamped into the clamping groove 101, the fixed disk 100 and the sitting bag 200 are locked relatively.

Specifically, the th driving mechanism includes a spring 40 disposed in the housing of the seat pocket 200, the automatic locking function of the locking member 33 is realized by the pushing force of the spring 40, and the spring 40 abuts against the side of the locking member 33 away from the card slot 101, which is not shown in the figure.

The second driving mechanism comprises an operating piece and a transmission component, wherein the operating piece is used for being operated by a person, the transmission component is connected with the operating piece and can drive the locking piece 33 to move, the operating piece is a pedal rod 300 which is rotatably connected to the seat bag 200, a rotating shaft 3001 is fixedly connected between two end parts of the pedal rod 300, the rotating shaft 3001 is rotatably arranged on the seat bag 200, a bent transmission part 301 is formed in the middle of the rotating shaft 3001, the transmission component comprises a sliding seat 31 which is slidably arranged on the seat bag 200 and a ratchet 32 which is arranged on the end part of the sliding seat 31 , the ratchet 32 is positioned on the front side of the locking piece 33 in the sliding direction of the clamping groove 101, a transmission hole 302 is formed in the end part , which is in butt joint with the pedal rod 300, of the.

In this example, the foot lever 300 has the th use position above the plane of the seat surface 201 of the seat pocket 200 and the second use position below the plane of the seat surface 201 of the seat pocket 200 in the direction of rotation about the rotation shaft 3001, when a person operates the foot lever 300 to move to the th use position above the seat surface 201, the rotation shaft 3001 rotates to slide the slide base 31 forward through the cooperation of the curved transmission part 301 and the transmission hole 302 thereon, and drive the ratchet 32 to move forward, the ratchet 32 pushes against the locking piece 33 from the side surface and further can separate the locking piece 33 from the card slot 101, when the person operates the foot lever 300 to move to the second use position below the seat surface 201, the above actions are opposite, and finally the ratchet 32 moves backward and returns to the initial position, so that the locking piece 33 is driven to slide again to unlock when the foot lever 300 rotates upward next time.

, the ratchet 32 is rotatably connected to the slide base 31, the ratchet 32 has a th state and a second state above the th state on its rotation track, the steering mechanism further includes a torsion spring 320 tending to drive the ratchet 32 to move to the th state, and a driving structure tending to drive the ratchet 32 to move to the second state, specifically, the ratchet 32 has an interference portion 321 capable of being in interference fit with the locking member 33 and a guide portion 322 connected below the interference portion 321, the driving structure includes a guide groove 102 opened on the fixed disk 100, the guide groove 102 and the slot 101 are located in the same radial direction, and two sides of the guide groove 102 are formed with inclined groove surfaces to lift the guide portion 322 of the ratchet 32.

When the ratchet 32 is in the th state, the lower end surface of the guide portion 322 abuts against the bottom of the guide groove 102, and at this time, the abutting portion 321 of the ratchet 32 is located at a lower position, so that the locking member 33 can be pushed to be disengaged from the engaging groove 101.

When the sitting pocket 200 is rotated, the ratchet 32 rotates along with the rotation, and further through the guiding effect of the guide part 322 and the inclined groove surface of the guide groove 102, the ratchet 32 can rotate upwards to the second state, when the ratchet 32 is in the second state, the position of the collision part 321 of the ratchet 32 is higher than the point of the state, and just corresponds to the avoidance groove 330 (the avoidance groove for avoiding the ratchet collision part is formed on the locking part) formed above the locking part 33, and can extend into the avoidance groove 330, that is, the sliding direction of the locking part 33 is not blocked by the ratchet 32, so that after the sitting pocket 200 rotates in place, when the spring 40 pushes the locking part 33 to slide into the clamping groove 101, the collision part 321 of the ratchet 32 continues to extend into the avoidance groove 330, and cannot block the locking part 33, and therefore the locking part 33 is automatically clamped with the clamping groove 101 and the fixed tray 100 and the sitting pocket 200 are locked relatively.

The rotation, locking and unlocking conditions of the upper seat bag 200 of the baby stroller are as follows:

define the side where the foot lever 300 is located as the front side of the seat pocket 200, and the opposite side as the back side of the seat pocket 200:

referring to fig. 6 to 9, firstly, when a person operates the foot lever 300 to rotate from the second use position to the use position from the bottom to the top, the sliding seat 31 slides forward by the cooperation between the curved transmission portion 301 on the rotating shaft 3001 and the transmission hole 302 formed on the sliding seat 31, the sliding seat 31 slides to drive the ratchets 32 connected to the sliding seat to slide forward by the sliding of the sliding seat 31, the ratchets 32 are in the state by the torsion force of the torsion spring 320, the interference portion 321 can abut against the locking member 33, so that the locking member 33 slides forward and is separated from the locking groove 101, at this time, the seat pocket 200 can rotate on the fixed tray 100, a person pulls the foot lever 300 to drive the seat pocket 200 to rotate, when the pocket 200 rotates to the facing or the second orientation, the locking member 33 slides into the other locking grooves 101 by the thrust of the spring 40, the interference portion 321 of the locking member 32 extends into the escape groove 330, the seat pocket 200 is locked to be replaced by the torsion spring 200, the sliding seat 100, the sliding of the sliding seat pawl 32 slides into the groove 32 and the groove 32 to the groove 32, so that the pawl can slide back to the locking member 120 and does not slide back to the groove 101, the groove 32, the sliding of the sliding groove 32, the sliding groove 32 is separated from the sliding groove 32, so that the pawl can slide back to the pawl can slide back, the pawl 32, the pawl can slide back to the sliding groove 32, the pawl 120, the pawl can slide back to the pawl 32, the pawl can slide back to the pawl 32, the pawl 120 when the pawl can slide back to the pawl 32, the pawl can slide back to the pawl 120 when the pawl 32, the pawl 120 can slide back to the pawl 120 when the pawl 120 to the pawl 120 when the pawl rotates, the pawl 120, the pawl 32, the pawl 120 when the pawl rotates, the pawl 32, the pawl 120 rotates, the pawl 120, the pawl 32, the pawl.

In conclusion, when the children product corresponds to a child stroller, the steering mechanism is used for controlling the locking relation between the fixed disc (the fixed body) and the seat pocket (the rotating body), when the pedal lever is pushed to the -th use position, the locking piece can release the locking relation between the fixed disc and the seat pocket, and the seat pocket can be automatically locked after the required direction is switched by rotating the seat pocket without restoring the pedal lever to the original position (the second use position) (the -th driving mechanism automatically pushes the locking piece to perform motion locking).

The seat bag can be automatically locked without rotating the pedal rod downwards to return to the original position, so that the condition of interference between the pedal rod and other members of the frame can be avoided when the seat bag rotates.

The steering mechanism can also be used for a child dining chair, the fixing body can be a fixing disc arranged on a dining chair frame, and the rotating body can be a seat pocket grafted on the fixing disc.

The present invention is described in detail in order to make those skilled in the art understand the content and practice the invention, and the invention is not limited to the above embodiments, and all equivalent changes or modifications made according to the spirit of the invention should be covered by the scope of the invention.