CN102145702A - Infant stroller - Google Patents

Infant stroller Download PDF

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Publication number
CN102145702A
CN102145702A CN201110074245.5A CN201110074245A CN102145702A CN 102145702 A CN102145702 A CN 102145702A CN 201110074245 A CN201110074245 A CN 201110074245A CN 102145702 A CN102145702 A CN 102145702A
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handle
push rod
push
brake
brake mechanism
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CN201110074245.5A
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CN102145702B (en
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武海军
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Goodbaby Child Products Co Ltd
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Goodbaby Child Products Co Ltd
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Abstract

一种幼儿推车，包括推车车架、座位机构、多组车轮、刹车机构，所述的推车车架包括推杆、设置于所述的推杆上的推把，所述的幼儿推车还包括弹性件,所述的推车车架包括推杆、设置于所述的推杆上的推把，所述的推车车架还包括转动后能够控制所述的刹车机构的把手,所述的把手能够转动地套设在所述的推把上，所述的把手的转动轴心线与其中心线相重合，在所述的把手与所述的刹车机构之间设置有牵引索。把手与刹车机构之间连接有牵引索，使用者在推行的过程中，转动把手从而带动牵引索使得刹车机构位于解刹位置下，当使用者双手离开把手时，把手在弹性件的作用下复位，此时刹车机构位于刹车位置下，童车停止移动，使用较安全 。

Figure 201110074245

A stroller for a baby, comprising a cart frame, a seat mechanism, multiple sets of wheels, and a brake mechanism, the cart frame includes a push rod, a push handle arranged on the push rod, and the push rod for the baby is The cart also includes an elastic member, and the cart frame includes a push rod and a push handle arranged on the push rod, and the cart frame also includes a handle that can control the brake mechanism after rotation, The handle is rotatably sheathed on the push handle, the rotation axis of the handle coincides with its center line, and a traction cable is arranged between the handle and the braking mechanism. There is a traction cable connected between the handle and the brake mechanism. During the pushing process, the user turns the handle to drive the traction cable so that the brake mechanism is in the release position. When the user leaves the handle with both hands, the handle resets under the action of the elastic member. , at this time the brake mechanism is under the brake position, and the stroller stops moving, which is safer to use.

Figure 201110074245

Description

Child stroller
Technical field
The present invention relates to a kind of child stroller.
Background technology
Child stroller of the prior art, comprise go-cart vehicle frame with expanded position and folding position, be arranged at seat mechanism on the described go-cart vehicle frame, be arranged on described go-cart vehicle frame bottom many groups wheel, be arranged at the braking mechanism between at least one group of described wheel and the described go-cart vehicle frame with normal danger and un-brake position, described go-cart vehicle frame comprises push rod, is arranged at the handle on the described push rod, and described go-cart vehicle frame is provided with riding of tramping with one's feet of changing of the described braking mechanism of control between normal danger and un-brake position.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of child stroller.
In order to solve the problems of the technologies described above, a kind of technical scheme that the present invention adopts is: a kind of child stroller, comprise go-cart vehicle frame with expanded position and folding position, be arranged at the seat mechanism on the described go-cart vehicle frame, be arranged on many groups wheel of described go-cart vehicle frame bottom, be arranged at the braking mechanism between at least one group of described wheel and the described go-cart vehicle frame with normal danger and un-brake position, described go-cart vehicle frame comprises push rod, be arranged at the handle on the described push rod
Described child stroller also comprises makes described braking mechanism stably be positioned at the elastic component under the normal danger,
Described go-cart vehicle frame comprises push rod, is arranged at the handle on the described push rod,
Described go-cart vehicle frame also comprise grip for the trammer and rotate after can control described braking mechanism is converted to the un-brake position from normal danger handle, described handle can be set on the described handle rotationally, is provided with trailing cable between described handle and described braking mechanism.
In some embodiments, be provided with the stop gear of the described handle rotational angle of restriction between described handle and the described handle.
In some embodiments, the rotational axis line of described handle and its line of centers coincide.
In some embodiments, the rotational axis line of described handle extends along left and right directions.
In some embodiments, have the elongated slot of length direction on the described handle along the centerline direction extension of described handle, the upper end of described trailing cable is connected with the sliding part with guidepost, described guidepost is inserted in the described elongated slot, have on the described handle and be used to control first screw inclined plane and second screw inclined plane that described sliding part slides, described first screw inclined plane is opposite with the hand of spiral of described second screw inclined plane, and form groove between described first screw inclined plane and described second screw inclined plane, when described braking mechanism is under the normal danger, described guidepost is positioned at the innermost of described groove, be in the switching process of normal danger and un-brake position when described braking mechanism is under the un-brake position or works as described braking mechanism, described guidepost and described first screw inclined plane or described second screw inclined plane are inconsistent.
In some further embodiment, have the handle inner chamber that is connected with described elongated slot on the described handle, described sliding part is positioned at described handle inner chamber.
In some another further embodiment, be provided with between described sliding part and the described handle and make described braking mechanism stably be positioned at first return springs under the normal danger.
In some embodiments, described push rod has two left and right sides portions that lay respectively at described go-cart vehicle frame, and described handle is arranged between the upper end of described push rod of both sides.
In some embodiments, the bottom of described push rod has axial line extend and first rotating shaft that described push rod can rotate around it along left and right directions, described push rod has first control position and second control position, when described push rod is positioned under first control position, described handle is positioned at the rear of described seat mechanism, when described push rod is positioned under second control position, described handle is positioned at the place ahead of described seat mechanism, and described go-cart vehicle frame is provided with and makes described push rod stably be positioned at the lockout mechanism under first control position or second control position.
In some further embodiment, described handle is provided with the control mechanism that is used to control described lockout mechanism release.
In some another further embodiment, described go-cart vehicle frame comprises side stand in the left and right sides, be connected in a plurality of link spans between the described side stand of both sides, and the described side stand of every side comprises:
Front frame, the bottom of described front frame are provided with one group of described wheel;
After poppet, the bottom of described after poppet are provided with one group of described wheel;
Side handrail, two among the anterior three of the top of described front frame, the top of described after poppet and described side handrail are connected rotatedly, the 3rd with two in one be connected rotatedly;
Boxed rod, the top of described boxed rod is connected rotatedly with the rear portion of described side handrail, and the bottom of described push rod is connected by described first rotating shaft rotatedly with described boxed rod;
Lower link, the top of described lower link is connected rotatedly with the bottom of described boxed rod, the bottom of described lower link and being connected that described after poppet rotates;
Seat post, the front portion of described seat post is connected rotatedly with described front frame, and at least one in described boxed rod and the described lower link is connected rotatedly with the rear portion of described seat post.
Scope of the present invention is not limited to the technical scheme that the particular combinations of above-mentioned technical characterictic forms, and also should contain simultaneously by above-mentioned technical characterictic or its equivalent feature to carry out combination in any and other technical scheme of forming.The technical characterictic that disclosed (but being not limited to) has a similar functions among for example above-mentioned feature and the application is replaced mutually and technical scheme of forming etc.
Because technique scheme utilization, the present invention compared with prior art has following advantage: be connected with trailing cable between handle and the braking mechanism, the user is in the process of carrying out, thereby swing handle drives trailing cable makes braking mechanism be positioned under the un-brake position, when user's both hands left handle, handle resetted under the effect of elastic component, and this moment, braking mechanism was positioned under the normal danger, perambulator stops to move, and uses safer.
Description of drawings
Accompanying drawing 1 is the exploded drawings (omission trailing cable) of handle and handle, push rod;
Accompanying drawing 2 is connected cutaway view one (braking mechanism is positioned under the normal danger) for handle and handle, push rod;
Accompanying drawing 3 is connected cutaway view two (braking mechanism is positioned under the un-brake position) for handle and handle, push rod;
Accompanying drawing 4 is connected cutaway view (braking mechanism is positioned under the un-brake position) for after poppet with wheel;
Accompanying drawing 5 is connected cutaway view (braking mechanism is positioned under the normal danger) for after poppet with wheel;
Accompanying drawing 6 is the braking mechanism exploded drawings;
Accompanying drawing 7 is block diagram of the present invention (push rod is positioned under second control position);
Accompanying drawing 8 is block diagram of the present invention (push rod is positioned under first control position);
Accompanying drawing 9 is front view of the present invention (push rod is positioned under first control position).
Wherein: 1, go-cart vehicle frame; 2, wheel; 3, second return springs; 4, push rod; 5, handle; 6, handle; 7, elongated slot; 8, guidepost; 9, sliding part; 10, first return springs; 11, front frame; 12, after poppet; 13, side handrail; 14, boxed rod; 15, lower link; 16, seat post.
The specific embodiment
Shown in accompanying drawing 7-accompanying drawing 9, a kind of child stroller, comprise go-cart vehicle frame 1 with expanded position and folding position, be arranged at the seat mechanism on the described go-cart vehicle frame 1, be arranged on four groups of wheels 2 of described go-cart vehicle frame 1 bottom, be arranged at the braking mechanism between at least one group of described wheel 2 and the described go-cart vehicle frame 1 with normal danger and un-brake position, described go-cart vehicle frame 1 comprises push rod 4, be arranged at the handle 5 on the described push rod 4, described child stroller also comprises makes described braking mechanism stably be positioned at the elastic component under the normal danger, and this elastic component is to comprise first return springs 10 mentioned among the following embodiment and second return springs 3.
Described go-cart vehicle frame 1 also comprise grip for the trammer and rotate after can control described braking mechanism is converted to the un-brake position from normal danger handle 6, described handle 6 can be set on the described handle 5 rotationally, is provided with trailing cable between described handle 6 and described braking mechanism.The rotational axis line of described handle 6 and its line of centers coincide, and the line of centers of the handle 5 of described handle 6 place sections and the line of centers of described handle 6 coincide.
The rotational axis line of described handle 6 can be to extend along tilting forward and back direction, and parallel with the bilateral symmetry plane of go-cart vehicle frame 1, the rotational axis line that in the present embodiment is described handle 6 extends along left and right directions, promptly will pass the bilateral symmetry plane of go-cart vehicle frame 1.
Be provided with the stop gear of described handle 6 rotational angles of restriction between described handle 6 and the described handle 5.Make the described relatively handle 5 of described handle 6 in certain angular range, to rotate by stop gear.About stop gear so long as can limit the mechanism of two rotational angles between the rotatable parts and can both use at this.As stop gear can be, described handle 6 is provided with first limiting section, described handle 5 is provided with two second limiting sections, first limiting section is between two second limiting sections, when described first limiting section and described second limiting section were inconsistent, described handle 6 can not described relatively handle 5 rotations.
Shown in accompanying drawing 1-accompanying drawing 3, being connected between trailing cable and the handle 6 is provided with structure and is: have the elongated slot 7 that length direction extends along the centerline direction of described handle 6 on the described handle 5, promptly the length direction of this elongated slot 7 also is that centerline direction along described handle 5 extends; The upper end of described trailing cable is connected with the sliding part 9 with guidepost 8, described guidepost 8 is inserted in the described elongated slot 7, have on the described handle 6 and be used to control first screw inclined plane and second screw inclined plane that described sliding part 9 slides, described first screw inclined plane is opposite with the hand of spiral of described second screw inclined plane, and form groove between described first screw inclined plane and described second screw inclined plane, promptly the depth direction of this groove is to extend along the centerline direction of handle 6.
When described braking mechanism is under the normal danger, described guidepost 8 is positioned at the innermost of described groove, when being under the un-brake position or working as described braking mechanism, described braking mechanism is in the switching process of normal danger and un-brake position, described guidepost 8 is inconsistent with described first screw inclined plane or described second screw inclined plane, thereby make the described relatively handle 5 of described guidepost 8 produce displacement, thereby drag described trailing cable, thereby the braking mechanism that control is connected with the bottom of trailing cable.First screw inclined plane and second screw inclined plane are positive and negative both directions, so handle 6 can rotate by both direction, can both realize braking mechanism is converted to the un-brake position in normal danger, in addition, after the following push rod of mentioning 4 commutations, promptly no matter push rod 4 is under first control position or is under second control position, and the rotation direction that the trammer can both select to be fit to oneself removes to rotate described handle 6.
Have the handle inner chamber that is connected with described elongated slot 7 on the described handle 5, described sliding part 9 is positioned at described handle inner chamber.Described trailing cable promptly also has part will be positioned at described handle inner chamber.The other parts of trailing cable also can be to be arranged in the tube cavity of other rod member of go-cart vehicle frame 1, in the tube cavity of after poppet 12 described as follows.
Be provided with between described sliding part 9 and the described handle 5 and make described braking mechanism stably be positioned at first return springs 10 under the normal danger, promptly after rotating described handle 6, the trammer discharges described handle 6 again, this moment is under the effect of first return springs 10, described handle 6 is returned to the preceding position of rotation, promptly help braking mechanism is returned under the normal danger.
Described push rod 4 has two left and right sides portions that lay respectively at described go-cart vehicle frame 1, described handle 5 is arranged between the upper end of described push rod 4 of both sides, in the present embodiment, the described push rod 4 of both sides is integrated with middle described handle 5, and constitutes the U type.
The bottom of described push rod 4 has axial line extend and first rotating shaft that described push rod 4 can rotate around it along left and right directions, described push rod 4 has first control position and second control position, when described push rod 4 is positioned under first control position, described handle 5 is positioned at the rear of described seat mechanism, when described push rod 4 is positioned under second control position, described handle 5 is positioned at the place ahead of described seat mechanism, and described go-cart vehicle frame 1 is provided with and makes described push rod 4 stably be positioned at the lockout mechanism under first control position or second control position.There is not diagram, described lockout mechanism is not invention main points of the present invention, can both use so long as two parts that rotate can be locked in two lockout mechanisms under the control position, be affiliated to portion and second and be affiliated to portion as on the parts except push rod 4 of go-cart vehicle frame 1, having first, and on push rod 4, has hook, when described push rod 4 is positioned under first control position, described hook is hooked in first and is affiliated in the portion, when described push rod 4 is positioned under second control position, described hook is hooked in second and is affiliated in the portion.
Described handle 5 is provided with the control mechanism that is used to control described lockout mechanism release.Operate described control mechanism, make the above-mentioned lockout mechanism release that is used for described push rod 4 is locked in first control position or second control position, push rod 4 can be changed between first control position and second control position.Control mechanism can be that activity is provided with a button on handle 5, is provided with the push rod trailing cable between button and the lockout mechanism, controls described lockout mechanism thereby press described button by this push rod trailing cable.
The concrete structure of the go-cart vehicle frame 1 in the present embodiment is: described go-cart vehicle frame 1 comprises side stand in the left and right sides, be connected in a plurality of link spans between the described side stand of both sides, and the described side stand of every side comprises:
Front frame 11, the bottom of described front frame 11 are provided with one group of described wheel 2;
After poppet 12, the bottom of described after poppet 12 are provided with one group of described wheel 2;
Side handrail 13, two among the top of the top of described front frame 11, described after poppet 12 and the anterior three of described side handrail 13 are connected rotatedly, the 3rd with two in one be connected rotatedly;
Boxed rod 14, the top of described boxed rod 14 is connected rotatedly with the rear portion of described side handrail 13, and the bottom of described push rod 4 is connected by described first rotating shaft rotatedly with described boxed rod 14;
Lower link 15, the top of described lower link 15 is connected rotatedly with the bottom of described boxed rod 14, the bottom of described lower link 15 and being connected that described after poppet 12 rotates;
Seat post 16, the front portion of described seat post 16 is connected rotatedly with described front frame 11, and at least one in described boxed rod 14 and the described lower link 15 is connected rotatedly with the rear portion of described seat post 16,
Described child stroller also must comprise described go-cart vehicle frame 1 is locked in vehicle frame lockout mechanism under the expanded position, described vehicle frame lockout mechanism is not invention main points of the present invention, offer locked groove on the after poppet 12 as described, described lower link 15 is provided with the bullet pin, when described bullet pin is inserted in the described locked groove, described vehicle frame lockout mechanism locking.
Shown in accompanying drawing 4-accompanying drawing 6, described braking mechanism is arranged between the described after poppet 12 its corresponding wheels 2, and described wheel 2 is rotatably connected on the described after poppet 12 by the wheel shaft that extends along horizontal direction.
Described braking mechanism is not invention main points of the present invention, as shown in Figure 6, the concrete structure of braking mechanism can be: offer a plurality of spoke holes on described wheel 2, described after poppet 12 head lamp brush guard pivots are connected with the brake controll block that an end has the brake pin, the other end of brake controll block is connected with the bottom of above-mentioned trailing cable, being provided with between brake controll block and the corresponding after poppet 12 makes described braking mechanism stably be positioned at second return springs 3 under the normal danger, to be evenly distributed on the center of turn with described wheel shaft be on the circumference in the center of circle to a plurality of described spoke holes on the after poppet 12, when described braking mechanism is positioned under the normal danger, described brake pin is inserted in one of them described spoke hole, when described braking mechanism is positioned under the un-brake position, described brake pin and all described spoke holes all are separated.There is not diagram, can also use brake holding mechanism, as having fixing wheel shaft, wheel hub on the wheel 2, brake holding mechanism comprises that an end is fixed on the brake bar on the after poppet 12, the other end of brake bar is connected with the bottom of above-mentioned trailing cable, being provided with between the other end of brake bar and the after poppet 12 makes described braking mechanism stably be positioned at second return springs 3 under the normal danger, under the normal danger, the brake bar is held tightly on corresponding wheel hub, under the un-brake position, the brake bar is separated with corresponding wheel hub.
As mentioned above, we are illustrated according to aim of the present invention fully, but the present invention is not limited to the foregoing description and implementation method.The practitioner of correlative technology field can carry out different variations and enforcement in the scope of technological thought permission of the present invention.

Claims (11)

1. 一种幼儿推车，包括具有展开位置与折叠位置的推车车架（1）、设置于所述的推车车架（1）上的座位机构、设置在所述的推车车架（1）下部的多组车轮（2）、设置于至少一组所述的车轮（2）与所述的推车车架（1）之间的具有刹车位置与解刹位置的刹车机构，所述的推车车架（1）包括推杆（4）、设置于所述的推杆（4）上的推把（5），1. A stroller for infants, comprising a stroller frame (1) with an unfolded position and a folded position, a seat mechanism arranged on the stroller frame (1), a seat mechanism arranged on the stroller frame (1) Multiple sets of wheels (2) in the lower part, and a brake mechanism with a braking position and a braking release position arranged between at least one set of the wheels (2) and the cart frame (1). The cart frame (1) includes a push rod (4), a push handle (5) arranged on the push rod (4), 其特征在于：所述的幼儿推车还包括使得所述的刹车机构稳定地位于刹车位置下的弹性件，It is characterized in that: the baby stroller also includes an elastic member that makes the brake mechanism stably located at the brake position, 所述的推车车架（1）还包括供推车人握持的并且转动后能够控制所述的刹车机构自刹车位置转换至解刹位置的把手（6），所述的把手（6）能够转动地套设在所述的推把（5）上，在所述的把手（6）与所述的刹车机构之间设置有牵引索。The trolley frame (1) also includes a handle (6) that is held by the trolley person and can control the brake mechanism from the braking position to the unlocking position after rotation. The handle (6) It is rotatably sleeved on the push handle (5), and a traction cable is arranged between the handle (6) and the brake mechanism. 2. 根据权利要求1所述的幼儿推车，其特征在于：所述的把手（6）与所述的推把（5）之间设置有限制所述的把手（6）转动角度的限位机构。2. The infant stroller according to claim 1, characterized in that: between the handle (6) and the push handle (5), there is a limiter that limits the rotation angle of the handle (6) mechanism. 3. 根据权利要求1所述的幼儿推车，其特征在于：所述的把手（6）的转动轴心线与其中心线相重合。3. The baby stroller according to claim 1, characterized in that: the rotation axis of the handle (6) coincides with its center line. 4. 根据权利要求1所述的幼儿推车，其特征在于：所述的把手（6）的转动轴心线沿着左右方向延伸。4. The baby stroller according to claim 1, characterized in that: the rotation axis of the handle (6) extends along the left and right directions. 5. 根据权利要求1所述的幼儿推车，其特征在于：所述的推把（5）上开有长度方向沿着所述的把手（6）的中心线方向延伸的长槽（7），所述的牵引索的上端部连接有具有导向柱（8）的滑动件（9），所述的导向柱（8）插在所述的长槽（7）内，所述的把手（6）上具有用于控制所述的滑动件（9）滑动的第一螺旋斜面与第二螺旋斜面,所述的第一螺旋斜面与所述的第二螺旋斜面的螺旋方向相反，并且所述的第一螺旋斜面与所述的第二螺旋斜面之间形成凹槽，当所述的刹车机构处于刹车位置下，所述的导向柱（8）位于所述的凹槽的最深处，当所述的刹车机构处于解刹位置下或者当所述的刹车机构处于在刹车位置与解刹位置的转换过程中，所述的导向柱（8）与所述的第一螺旋斜面或者所述的第二螺旋斜面相抵触。5. The baby stroller according to claim 1, characterized in that: the push handle (5) is provided with a long slot (7) extending along the center line of the handle (6) in the longitudinal direction , the upper end of the traction rope is connected with a slider (9) with a guide post (8), the guide post (8) is inserted into the long slot (7), and the handle (6 ) has a first helical bevel and a second helical bevel for controlling the sliding of the slider (9), the helical directions of the first helical bevel and the second helical bevel are opposite, and the A groove is formed between the first spiral slope and the second spiral slope. When the brake mechanism is in the braking position, the guide column (8) is located at the deepest part of the groove. When the When the brake mechanism is in the release position or when the brake mechanism is in the transition process between the brake position and the release position, the guide column (8) and the first spiral slope or the second The helical slopes conflict. 6. 根据权利要求5所述的幼儿推车，其特征在于：所述的推把（5）上具有与所述的长槽（7）相连通的推把内腔，所述的滑动件（9）位于所述的推把内腔内。6. The infant stroller according to claim 5, characterized in that: said push handle (5) has a push handle inner cavity communicating with said long groove (7), and said sliding member ( 9) Located in the inner cavity of the push handle. 7. 根据权利要求5所述的幼儿推车，其特征在于：所述的滑动件（9）与所述的推把（5）之间设置有使得所述的刹车机构稳定地位于刹车位置下的第一复位弹性件（10）。7. The infant stroller according to claim 5, characterized in that: there is a gap between the sliding member (9) and the push handle (5) so that the braking mechanism is stably located under the braking position The first reset elastic member (10). 8. 根据权利要求1所述的幼儿推车，其特征在于：所述的推杆（4）有两个分别位于所述的推车车架（1）的左右两侧部，所述的推把（5）设置于两侧部的所述的推杆（4）的上端部之间。8. The infant stroller according to claim 1, characterized in that: two push rods (4) are respectively located on the left and right sides of the stroller frame (1), and the push rods (4) (5) is disposed between the upper ends of the push rods (4) on both sides. 9. 根据权利要求1所述的幼儿推车，其特征在于：所述的推杆（4）的下端部具有轴心线沿着左右方向延伸的并且所述的推杆（4）能够绕其转动的第一转轴，所述的推杆（4）具有第一工作位置与第二工作位置，当所述的推杆（4）位于第一工作位置下，所述的推把（5）位于所述的座位机构的后方，当所述的推杆（4）位于第二工作位置下，所述的推把（5）位于所述的座位机构的前方，所述的推车车架（1）上设置有使得所述的推杆（4）稳定地位于第一工作位置或者第二工作位置下的锁定机构。9. The baby stroller according to claim 1, characterized in that: the lower end of the push rod (4) has an axis line extending along the left and right directions and the push rod (4) can go around it Rotating the first shaft, the push rod (4) has a first working position and a second working position, when the push rod (4) is at the first working position, the push handle (5) is at At the rear of the seat mechanism, when the push rod (4) is in the second working position, the push handle (5) is located in front of the seat mechanism, and the cart frame (1 ) is provided with a locking mechanism that makes the push rod (4) stably located at the first working position or the second working position. 10. 根据权利要求9所述的幼儿推车，其特征在于：所述的推把（5）上设置有用于控制所述的锁定机构解锁的控制机构。10. The infant stroller according to claim 9, characterized in that: the push handle (5) is provided with a control mechanism for controlling the unlocking of the locking mechanism. 11. 根据权利要求9所述的幼儿推车，其特征在于：所述的推车车架（1）包括位于左右两侧的侧支架、连接于两侧的所述的侧支架之间的多个连接架，每侧的所述的侧支架包括：11. The baby stroller according to claim 9, characterized in that: said stroller frame (1) includes side brackets located on the left and right sides, multiple brackets connected between said side brackets on both sides The side brackets on each side include: 前支架（11），所述的前支架（11）的下部设置有一组所述的车轮（2）；A front bracket (11), the lower part of the front bracket (11) is provided with a set of wheels (2); 后支架（12），所述的后支架（12）的下部设置有一组所述的车轮（2）；a rear bracket (12), the lower part of the rear bracket (12) is provided with a set of wheels (2); 侧扶手（13），所述的前支架（11）的上部、所述的后支架（12）的上部与所述的侧扶手（13）的前部三者中的两个相转动地连接，第三个与两个中的一个相转动地连接；The side armrest (13), two of the upper part of the front bracket (11), the upper part of the rear bracket (12) and the front part of the side armrest (13) are rotationally connected, The third is rotationally connected to one of the two; 上连杆（14），所述的上连杆（14）的上部与所述的侧扶手（13）的后部相转动地连接，所述的推杆（4）的下部与所述的上连杆（14）通过所述的第一转轴相转动地连接；An upper link (14), the upper part of the upper link (14) is rotationally connected with the rear part of the side armrest (13), the lower part of the push rod (4) is connected with the upper The connecting rod (14) is rotationally connected through the first rotating shaft; 下连杆（15），所述的下连杆（15）的上部与所述的上连杆（14）的下部相转动地连接，所述的下连杆（15）的下部与所述的后支架（12）相转动的连接；The lower link (15), the upper part of the lower link (15) is rotationally connected with the lower part of the upper link (14), the lower part of the lower link (15) is connected with the Rear support (12) phase rotation connection; 座位杆（16），所述的座位杆（16）的前部与所述的前支架（11）相转动地连接，所述的上连杆（14）与所述的下连杆（15）中的至少一个与所述的座位杆（16）的后部相转动地连接。Seat bar (16), the front part of the seat bar (16) is rotatably connected with the front bracket (11), the upper link (14) is connected with the lower link (15) At least one of them is rotatably connected to the rear portion of the seat post (16).
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