CN211592675U

CN211592675U - Baby carriage

Info

Publication number: CN211592675U
Application number: CN201922017803.9U
Authority: CN
Inventors: 李进彪; 刘祎敏
Original assignee: Shanghai Yuntong Children's Products Co ltd
Current assignee: Shanghai Yuntong Children's Products Co ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-09-29
Anticipated expiration: 2029-11-20

Abstract

The utility model discloses a baby carriage, which comprises a push handle, a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a front leg and a rear leg, wherein the rear leg is connected with a slide seat which can move up and down relative to the rear leg, the upper sides of the first connecting rod and the second connecting rod are respectively pivoted at different positions of the push handle, the lower sides of the first connecting rod and the second connecting rod are respectively pivoted at different positions of the rear leg, the rear side of the front leg is pivoted at the rear leg, the upper end of the third connecting rod is pivoted at the first connecting rod, the lower end of the third connecting rod is pivoted at the slide seat, the front end of the fourth connecting rod is pivoted at the front leg, the rear end of the fourth connecting rod is pivoted at the slide seat, the baby carriage also comprises a locking mechanism which is arranged between the lower side of the second connecting rod and the rear side of the fourth connecting rod and is used for limiting the relative rotation of the first connecting rod, thereby ensuring the stability of the baby carriage in the locking state, namely further ensuring the use safety of the baby carriage in the unfolding state.

Description

Baby carriage

Technical Field

The utility model relates to an infant's product field especially relates to a perambulator.

Background

Strollers are generally convertible between an expanded position and a collapsed position, with a locking mechanism locking the stroller in the expanded position, and being unlocked when the expanded stroller is to be collapsed. Different strollers are different in structure and locking structure, some locking structures are complex and unstable in locking effect, and the strollers cannot be stably locked in an unfolded state, so that potential safety hazards are brought to the use of the strollers.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to overcome the above-mentioned disadvantages and to provide a stroller, wherein a locking mechanism can stably lock the stroller in an unfolded state.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a baby carriage, is including pushing away handle, first connecting rod, second connecting rod, third connecting rod, fourth connecting rod, front foot, rear foot, be connected with the slide that can reciprocate relatively the rear foot on the rear foot, first connecting rod, second connecting rod upside pin joint respectively in the different positions who pushes away the handle, the downside pin joint respectively in the different positions of rear foot, preceding foot rear side pin joint in the rear foot, third connecting rod upper end pin joint in first connecting rod, the lower extreme pin joint in the slide, fourth connecting rod front end pin joint in preceding foot, the rear end pin joint in the slide, baby carriage still including set up in be used for restricting the locking mechanical system of relative rotation between second connecting rod downside and the fourth connecting rod rear side.

Locking mechanical system including fixed connection in the locking seat of fourth connecting rod rear side, upper end can relatively reciprocate connect in locking piece in the second connecting rod, set up in spring between locking piece and the second connecting rod, be provided with opening up's locking groove on the locking seat under the effect of spring, the locking piece lower extreme stretches out outside the second connecting rod lower extreme and inserts in the locking inslot.

Baby carriage includes the left and right sides support, each the collateral branch frame all includes push away handle, first connecting rod, second connecting rod, third connecting rod, fourth connecting rod, back foot, slide, each the second connecting rod downside pin joint of collateral branch frame is inboard in the back foot, locking seat pin joint in the inboard of slide, locking groove sets up in the one side that the locking seat is close to the slide, one side that slide was kept away from in locking seat to fourth connecting rod rear side fixed connection.

The locking seat includes one be used for with connecting portion that the slide is connected in, certainly connecting portion front end extends forward the sticking department, certainly the connecting portion keep away from the fixed part that extends the setting around one side of slide, the locking groove set up in on the sticking department, fourth connecting rod rear side fixed connection in the fixed part.

The locking piece is provided with a first long hole extending up and down, and a first rivet penetrates through the first long hole of the second connecting rod and the locking piece, so that the second connecting rod and the locking piece are connected, the spring is arranged in the first long hole, the upper end of the spring is abutted against the top wall of the first long hole, and the lower end of the spring is abutted against the first rivet.

Still be connected with a reinforcement on the second connecting rod, the second slot hole that extends about still setting up on the locking piece, the second slot hole with interval sets up about the first slot hole, be provided with two spaced first connecting holes from top to bottom on the second connecting rod, it is corresponding, be provided with two spaced second connecting holes from top to bottom on the reinforcement, first rivet passes the first connecting hole of second connecting rod upside, the first slot hole of locking piece and the second connecting hole of reinforcement upside, a second rivet passes first connecting hole of second connecting rod downside, the second slot hole of locking piece, the second connecting hole of reinforcement downside.

The reinforcing piece is fixedly connected to one side, away from the rear foot, of the second connecting rod.

The second rivet is simultaneously connected with the rear leg.

The rear side of the lower end of the locking piece is provided with an inclined plane.

The rear foot comprises two rod pieces which are arranged in parallel, a fixing piece is fixedly sleeved on the rear foot, and the second connecting rod is pivoted on the fixing piece.

The utility model has the advantages that:

1. the components of the baby carriage are connected in this way, and the locking mechanism is arranged between the lower side of the second connecting rod and the rear side of the fourth connecting rod, and the position can not be touched by a foreign object or an operator generally, so that the situation that the baby carriage is unlocked due to mistaken touch by the foreign object or the operator is avoided, the stability of the baby carriage in a locking state is ensured, and the use safety of the baby carriage in a unfolding state is further ensured;

2. when the baby carriage is in the unfolding state, the lower end of the locking piece is kept in the state of being inserted into the locking groove of the locking seat at any time under the action of the elastic piece, so that the components of the baby carriage can be prevented from rotating relatively, namely, the baby carriage is stably locked in the unfolding state, and the safety of the baby carriage in the unfolding state is further ensured.

Drawings

Fig. 1 is a schematic plan view of the stroller of the present invention in an unfolded state;

fig. 2 is a schematic perspective view of the stroller of the present invention in an unfolded state;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an exploded view of a first schematic view according to portion A of FIG. 2;

FIG. 5 is an exploded view of the second embodiment of FIG. 2;

fig. 6 is an enlarged schematic view of a locking seat of the locking mechanism of the present invention;

fig. 7 is a schematic plan view of the stroller of the present invention during the folding process;

fig. 8 is a schematic perspective view of the stroller of the present invention during the folding process;

FIG. 9 is an enlarged schematic view of portion B of FIG. 8;

fig. 10 is a schematic plan view of the stroller of the present invention in a folded state;

fig. 11 is a schematic perspective view of the stroller of the present invention in a folded state.

Detailed Description

As shown in fig. 1 to 6, the present invention discloses a stroller, which comprises a handle 1, a first connecting rod 2, a second connecting rod 3, a third connecting rod 4, a fourth connecting rod 5, a front leg 6, and a rear leg 7, wherein the rear leg 7 is connected with a slide 8 capable of moving up and down relative to the rear leg 7, the upper sides of the first connecting rod 2 and the second connecting rod 3 are respectively pivoted to different positions of the handle 1, and the lower sides of the first connecting rod 2 and the second connecting rod 3 are respectively pivoted to different positions of the rear leg 7, so that the handle 1, the first connecting rod 2, the second connecting rod 3, and the rear leg 7 form a four-bar linkage; the rear side of the front foot 6 is pivoted to a rear foot 7, the upper end of the third connecting rod 4 is pivoted to the first connecting rod 2, the lower end of the third connecting rod is pivoted to the sliding seat 8, the front end of the fourth connecting rod 5 is pivoted to the front foot 6, the rear end of the fourth connecting rod 5 is pivoted to the sliding seat 8, and the baby carriage further comprises a locking mechanism which is arranged between the lower side of the second connecting rod 3 and the rear side of the fourth connecting rod 5 and used for limiting relative rotation of the second connecting rod and the fourth connecting rod.

In this embodiment, the locking mechanism includes a locking seat 91 fixedly connected to the rear side of the fourth link 5, a locking member 92 having an upper end connected to the inside of the second link 3 so as to be relatively movable up and down, and a spring (not shown) disposed between the locking member 92 and the second link 3, wherein the locking seat 91 is provided with a locking groove 911 opened upward, and the lower end of the locking member 92 is protruded out of the lower end of the second link 3 and inserted into the locking groove 911 under the action of the spring. Therefore, the components of the baby carriage cannot rotate relatively, so that the baby carriage can be stably locked in the unfolding state, the stability of the baby carriage in the locking state is ensured, and the safety of the baby carriage in the unfolding state is ensured.

Baby carriage includes left and right sides support 10, each side support 10 all includes push away 1, first connecting rod 2, second connecting rod 3, third connecting rod 4, fourth connecting rod 5, back foot 7, slide 8, each 3 downside pin joints of second connecting rod of side support 10 are inboard in back foot 7, locking seat 91 pin joint in the inboard of slide 8, locking groove 911 sets up in the one side that locking seat 91 is close to slide 8, 5 rear side fixed connection of fourth connecting rod are in the one side that slide 8 was kept away from to locking seat 91. That is, the locking groove 911 is located between the sliding seat 8 and the fourth link 5, so that the locking groove 911 and the locking piece 92 inserted into the locking groove 911 are located at positions which are generally not touched by a foreign object or an operator, thereby intentionally avoiding the unlocking condition caused by the accidental collision of the foreign object or the operator, and further ensuring the stability of the stroller in the locking state, i.e., further ensuring the safety of the stroller in the unfolded state.

The locking seat 91 includes a connecting portion 912 for connecting with the sliding seat 8, a locking portion 913 extending forward from the front end of the connecting portion 912, and a fixing portion 914 extending forward and backward from a side of the connecting portion 912 away from the sliding seat 8, the locking groove 911 is disposed on the locking portion 913, and the rear side of the fourth link 5 is fixedly connected to the fixing portion 914. So set up, each part is connected mutually noninterfere.

The connecting portion 912, the locking portion 913, and the fixing portion 914 are integrally formed.

The locking member 92 is provided with a first long hole 921 extending vertically, a first rivet (not shown) penetrates through the second connecting rod 3 and the first long hole 921 of the locking member 92, so as to connect the second connecting rod 3 and the locking member 92, the spring is placed in the first long hole 921, the upper end of the spring abuts against the top wall of the first long hole 921, and the lower end of the spring abuts against the first rivet, so that the locking member 92 keeps a downward movement trend under the elastic force of the spring.

In this embodiment, a reinforcing member 93 is further connected to the second link 3, a second long hole 922 extending vertically is further disposed on the locking member 92, the second long hole 922 and the first long hole 921 are vertically spaced, two vertically spaced

first connection holes

31, 32 are disposed on the second link 3, correspondingly, two vertically spaced second connection holes 931, 932 are disposed on the reinforcing member 93, the first rivet passes through the first connection hole 31 on the upper side of the second link 3, the first long hole 921 of the locking member 92 and the second connection hole 931 on the upper side of the reinforcing member 93, and the second rivet passes through the first connection hole 32 on the lower side of the second link 3, the second long hole 922 on the lower side of the locking member 92 and the second connection hole 932 of the reinforcing member 93. So set up, can make locking piece 92 reciprocate more smoothly, more can not misplace in the up-down moving in addition to more can guarantee that locking piece 92 inserts the target in place in locking groove 911, and then further guarantee the stability of perambulator under the locking state.

Preferably, the second rivet is connected to the rear leg 7 at the same time, so as to pivot the rear leg 7 to the second link 3.

In this embodiment, the reinforcement 93 is fixedly connected to a side of the second link 3 facing away from the rear leg 7. In this way, foreign objects are further protected from the locking pieces 92 and the locking groove 911.

In this embodiment, the rear leg 7 includes two rod members 70 disposed in parallel, a fixing member 71 is fixedly sleeved on the rear leg 7, that is, the fixing member 71 is disposed with two parallel through holes for the two rod members 70 to pass through, and the second connecting rod 3 is pivotally connected to the fixing member 71.

In this embodiment, the stroller further comprises an unlocking mechanism disposed on the frame for unlocking the locking mechanism, the unlocking mechanism comprises an operating mechanism 94 connected to the upper side of the push handle 1, an upper end of a steel wire is connected to the operating mechanism 94, and a lower end of the steel wire is connected to the locking member 92, and drives the operating mechanism to drive the steel wire to pull the locking member 92 upwards, so that the lower end of the locking member 92 is separated from the locking groove 911 (as shown in fig. 8 and 9), and at this time, the locking mechanism is unlocked, and the components of the frame can rotate relatively.

The operating mechanism may be any known and feasible mechanism, and is not the key point of the present invention, and therefore, is not described herein.

The unlocking mechanism can also be arranged into other known feasible structures as long as the locking piece can be pulled to move upwards to be separated from the locking groove, and the unlocking mechanism is not the key point of the utility model.

When the baby carriage of the utility model is folded, the locking mechanism is unlocked, then the push handle 1 is rotated forwards, and the lower end of the push handle 1 is rotated backwards and downwards, so that the upper sides of the first connecting rod 2 and the second connecting rod 3 are driven to rotate backwards and downwards, and the first connecting rod 2 drives the third connecting rod 4 to move downwards when rotating backwards and downwards, so that the sliding seat 8 is driven to move downwards along the rear leg 7, and the rear end of the fourth connecting rod 5 is driven to rotate downwards along with the sliding seat 8, so that the front end of the fourth connecting rod 5 can drive the front leg 6 to rotate backwards to lean against the rear leg 7 (as shown in fig. 7 and 8); until the push handle 1, the first connecting rod 2, the second connecting rod 3, the third connecting rod 4, the fourth connecting rod 5, the front foot 6 and the rear foot 7 relatively rotate to approach (as shown in figures 10 and 11), the baby carriage is completely folded.

Preferably, the rear side of the lower end of the locking member 92 is provided with an inclined surface 921, so that when the foldable stroller is to be unfolded, the push handle 1 is pulled to rotate upwards, the second link 3 is also pulled to rotate upwards, the lower end of the second link 3 carries the locking member 92 to rotate backwards, and when the inclined surface 921 on the rear side of the lower end of the locking member 92 contacts the locking seat 91, the locking member 92 is pushed to move inwards the second link 3, so as to compress the spring; when the second link 3 is rotated to a certain position, the lower end of the locking member 92 is aligned with the locking groove 911, and the locking member 92 is moved downward by the force of the spring restoring force and inserted into the locking groove 911 again to lock the stroller in the unfolded state. Thus, the unfolding operation is simple.

Claims

1. A baby carriage comprises a push handle, a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a front foot and a rear foot, wherein a sliding seat which can move up and down relative to the rear foot is connected onto the rear foot, the upper sides of the first connecting rod and the second connecting rod are respectively pivoted at different positions of the push handle, the lower sides of the first connecting rod and the second connecting rod are respectively pivoted at different positions of the rear foot, the rear side of the front foot is pivoted at the rear foot, the upper end of the third connecting rod is pivoted at the first connecting rod, the lower end of the third connecting rod is pivoted at the sliding seat, the front end of the fourth connecting rod is pivoted at the front foot, and the rear end: the baby carriage also comprises a locking mechanism which is arranged between the lower side of the second connecting rod and the rear side of the fourth connecting rod and is used for limiting the relative rotation of the second connecting rod and the fourth connecting rod.

2. The stroller of claim 1, wherein: locking mechanical system including fixed connection in the locking seat of fourth connecting rod rear side, upper end can relatively reciprocate connect in locking piece in the second connecting rod, set up in spring between locking piece and the second connecting rod, be provided with opening up's locking groove on the locking seat under the effect of spring, the locking piece lower extreme stretches out outside the second connecting rod lower extreme and inserts in the locking inslot.

3. The stroller of claim 2, wherein: baby carriage includes the left and right sides support, each the collateral branch frame all includes push away handle, first connecting rod, second connecting rod, third connecting rod, fourth connecting rod, back foot, slide, each the second connecting rod downside pin joint of collateral branch frame is inboard in the back foot, locking seat pin joint in the inboard of slide, locking groove sets up in the one side that the locking seat is close to the slide, one side that slide was kept away from in locking seat to fourth connecting rod rear side fixed connection.

4. The stroller of claim 3, wherein: the locking seat includes one be used for with connecting portion that the slide is connected in, certainly connecting portion front end extends forward the sticking department, certainly the connecting portion keep away from the fixed part that extends the setting around one side of slide, the locking groove set up in on the sticking department, fourth connecting rod rear side fixed connection in the fixed part.

5. The stroller of claim 2, 3 or 4, wherein: the locking piece is provided with a first long hole extending up and down, and a first rivet penetrates through the first long hole of the second connecting rod and the locking piece, so that the second connecting rod and the locking piece are connected, the spring is arranged in the first long hole, the upper end of the spring is abutted against the top wall of the first long hole, and the lower end of the spring is abutted against the first rivet.

6. The stroller of claim 5, wherein: still be connected with a reinforcement on the second connecting rod, the second slot hole that extends about still setting up on the locking piece, the second slot hole with interval sets up about the first slot hole, be provided with two spaced first connecting holes from top to bottom on the second connecting rod, it is corresponding, be provided with two spaced second connecting holes from top to bottom on the reinforcement, first rivet passes the first connecting hole of second connecting rod upside, the first slot hole of locking piece and the second connecting hole of reinforcement upside, a second rivet passes first connecting hole of second connecting rod downside, the second slot hole of locking piece, the second connecting hole of reinforcement downside.

7. The stroller of claim 6, wherein: the reinforcing piece is fixedly connected to one side, away from the rear foot, of the second connecting rod.

8. The stroller of claim 6 or 7, wherein: the second rivet is simultaneously connected with the rear leg.

9. A stroller according to any one of claims 2 to 4, 6 and 7, wherein: the rear side of the lower end of the locking piece is provided with an inclined plane.

10. The stroller of claim 9, wherein: the rear foot comprises two rod pieces which are arranged in parallel, a fixing piece is fixedly sleeved on the rear foot, and the second connecting rod is pivoted on the fixing piece.