CN213534823U

CN213534823U - Children's barrow

Info

Publication number: CN213534823U
Application number: CN202021977334.1U
Authority: CN
Inventors: 方仨
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-06-25
Anticipated expiration: 2030-09-10

Abstract

The utility model discloses a child stroller, which comprises a stroller frame, a backrest detachably arranged on the stroller frame and a locking structure used for locking the positions of the backrest and the stroller frame when the backrest is arranged on the stroller frame, wherein the locking structure comprises a locking piece which can be slidably arranged on one of the two parts of the stroller frame and the backrest and a plug connector arranged on the other part of the two parts of the stroller frame and the backrest, the locking piece is provided with a first matching part and a second matching part which are matched with the plug connector, when the locking structure is in a locking state, the plug connector is matched with the first matching part, when the locking structure is in an unlocking state, the matching between the plug connector and the locking part is disengaged, when the locking piece slides relative to the cart frame or the backrest to enable the positions of the plug piece and the second matching part to correspond, the plug piece and the locking piece can be disengaged. The backrest of the children stroller is very convenient to mount and dismount, and the children stroller is convenient to use.

Description

Children's barrow

Technical Field

The utility model relates to a children's articles for use technical field, concretely relates to children's shallow.

Background

The child stroller provides great convenience for adults to carry small children for outdoor activities, so that the child stroller gradually becomes a necessity for adults to carry children for outdoor activities. Stroller vehicles typically include a stroller frame and a backrest disposed on the stroller frame for a child to lean against when the child is seated on the stroller. In the prior art, part of the backrest of the stroller is detachably arranged on the frame of the stroller, so that when the backrest needs to be arranged on the frame of the stroller for use, the relative position of the backrest and the frame needs to be locked by a locking structure, and after the locking structure is unlocked, the backrest can be detached from the frame of the stroller. The locking structure in the prior art is complex, and the locking and unlocking operations are inconvenient, so that the installation and the disassembly of the backrest are inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a modified children's shallow to not enough among the prior art.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

a children's barrow comprises a stroller frame, a front wheel assembly arranged at the front part of the bottom of the stroller frame, a rear wheel assembly arranged at the rear part of the bottom of the stroller frame, and a backrest used for leaning of children when the children take the stroller, wherein the backrest is detachably arranged on the stroller frame, the children's stroller further comprises a locking structure used for locking the positions of the backrest and the stroller frame when the backrest is arranged on the stroller frame, the locking structure comprises a locking piece which can be slidably arranged on one of the two parts of the stroller frame and the backrest and a plug connector arranged on the other part of the two parts of the stroller frame and the backrest, a first matching part and a second matching part which are matched with the plug connector are arranged on the locking piece, when the locking structure is in a locking state, the plug connector with first cooperation portion cooperatees, works as when locking structure is in the unblock state, the plug connector with cooperation between the locking piece is thrown off, works as the locking piece is relative the shallow frame or the back slides and makes the plug connector with when the position of second cooperation portion corresponds, the plug connector with cooperation between the locking piece can be thrown off.

Preferably, first cooperation portion is for setting up convex part on the locking piece, works as when locking structure is in the locking state, the plug connector card is established on the convex part, works as when locking structure is in the unblock state, the plug connector breaks away from the convex part.

Preferably, the second cooperation portion is for setting up fluting on the locking piece, works as when locking structure is in the locking state, the plug connector with the position of fluting staggers mutually, works as the locking piece is relative shallow frame or the back slides and makes the plug connector with the position of fluting corresponds the time, the plug connector can get into the fluting and follow deviate from in the fluting.

Preferably, the locking structure further comprises an elastic member for urging the locking member to return, and both end portions of the elastic member are respectively provided on one of the stroller frame and the backrest and the locking member.

Preferably, the stroller frame is provided with a first plug-in part located in the front and a second plug-in part located in the rear, the plug connector is arranged on the backrest, the first plug-in part and the second plug-in part are matched with the plug connector, the stroller is provided with a forward use state and a reverse use state, when the stroller is in the forward use state, the plug connector is matched with the second plug-in part, and when the stroller is in the reverse use state, the plug connector is matched with the first plug-in part.

Preferably, the backrest is provided with a plug part, the plug parts are respectively arranged at the front part and the rear part of the stroller frame, the plug part is matched with the plug parts, the stroller is provided with a forward use state and a reverse use state, when the stroller is in the forward use state, the plug part at the rear part is matched with the plug part, and when the stroller is in the reverse use state, the plug part at the front part is matched with the plug part.

Preferably, the stroller frame includes a seat assembly, the backrest being removably disposed on the seat assembly.

Further, the seat subassembly includes the seat pole, is located the back pole at seat pole rear portion, is located the bar of the top of seat pole and is located the pin of seat pole front portion, the both ends of back pole respectively with the rear portion of seat pole with the rear portion of bar rotates mutually to be connected, the both ends of pin respectively with the front portion of seat pole with the front portion looks of bar rotates to be connected, back detachably sets up the back pole with on the pin.

Furthermore, the stroller frame further comprises a front bracket for mounting the front wheel assembly, a rear bracket for mounting the rear wheel assembly, a push rod assembly, a front connecting rod, a side connecting rod and a seat rod connecting rod, wherein the rear part of the seat rod is rotatably connected with the upper part of the front bracket, two of the three parts of the upper part of the front bracket, the upper part of the rear bracket and the lower part of the push rod assembly are rotatably connected, the third part is rotatably connected with any one of the two parts, or the three parts are rotatably connected in the same shaft, one end part of the front connecting rod is rotatably and slidably arranged on the front bracket, the other end part of the front connecting rod is rotatably connected with the rear bracket, one end part of the side connecting rod is rotatably connected with the lower part of the push rod assembly, and the other end part of the side connecting rod is rotatably connected with the front connecting rod, one end of the seat rod connecting rod is rotatably connected with the seat rod, and the other end of the seat rod connecting rod is rotatably and slidably arranged on the front bracket.

In a specific embodiment, the stroller frame further includes a sliding member slidably disposed on the front bracket along a length extending direction of the front bracket, and one end of the front link and the other end of the seat link are respectively rotatably connected to the sliding member.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a children's shallow simple structure, when the back is installed and is used on the shallow frame, as long as make grafting portion and first cooperation portion cooperate can with the position locking of back and shallow frame, and when needing to dismantle the back from the shallow frame, as long as make locking piece relative shallow frame or back slide the position of plug connector and second cooperation portion corresponding, cooperation between plug connector and the locking piece just can throw off, can dismantle the back, thereby make the installation and the dismantlement of back all very convenient, the use of the children's shallow of being convenient for.

Drawings

Fig. 1 is a perspective view of the stroller of the present invention in a forward use state;

fig. 2 is a side view of the stroller of the present invention in a forward use state;

fig. 3 is a front view of the stroller of the present invention in a forward use state;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a front view of the stroller of the present invention in the unlocking process of the locking structure (the position of the connector is corresponding to that of the second engaging portion)

FIG. 7 is a cross-sectional view taken along line A-A of FIG. 6;

FIG. 8 is an enlarged view of a portion of FIG. 7 at A;

fig. 9 is a perspective view of the stroller of the present invention (with the backrest detached from the frame of the stroller);

fig. 10 is a side view of the stroller of the present invention (with the backrest removed from the frame of the stroller);

fig. 11 is a front view of the stroller of the present invention (with the backrest detached from the frame of the stroller);

FIG. 12 is a cross-sectional view taken along line A-A of FIG. 11;

FIG. 13 is an enlarged view of a portion of FIG. 12 at A;

fig. 14 is a perspective view of the stroller of the present invention in a reverse use state;

fig. 15 is a side view of the stroller of the present invention in a reverse use position.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 15, the stroller of the present invention comprises a stroller frame 1, a front wheel assembly 50 disposed at the front portion of the bottom of the stroller frame 1, a rear wheel assembly 60 disposed at the rear portion of the bottom of the stroller frame 1, and a backrest 2 disposed on the stroller frame 1 for leaning of a child.

The backrest 2 is detachably arranged on the stroller frame 1. When the backrest 2 is arranged on the stroller frame 1, the relative position of the backrest and the stroller needs to be locked by a locking structure, so that the safety performance of the stroller is improved.

Specifically, the locking structure includes a locking piece 31 slidably provided on one of the two components of the cart frame 1 and the backrest 2 and a plug-in piece 21 provided on the other of the two components of the cart frame 1 and the backrest 2, and the locking piece 31 is provided with a first engaging portion 31a and a second engaging portion 31b that are engaged with the plug-in piece 21.

When the lock structure is in the locked state, the plug 21 is engaged with the first engaging portion 31a, and the plug 21 cannot be disengaged from the lock member 31, thereby fixing the relative positions of the backrest 2 and the stroller frame 1. When the locking mechanism is in the unlocked state, the engagement between the plug 21 and the locking member 31 is disengaged. When the locking structure drives the locking member 31 to slide relative to the stroller frame 1 or the backrest 2 in the locked state, the plug 21 can correspond to the position of the second engaging portion 31b, and at this time, the plug 21 can be separated from the locking member 31 at the position of the second engaging portion 31b, so that the engagement between the plug 21 and the locking member 31 is released, the locking structure is unlocked, and the backrest 2 can be detached from the stroller frame 1.

In the present embodiment, the first engaging portion 31a is a protrusion provided on the locking member 31, and when the locking structure is in the locked state, the plug 21 is engaged with the protrusion; when the locking mechanism is in the unlocked state, the plug 21 is disengaged from the boss.

The second matching part 31b is a slot arranged on the locking piece 31, and when the locking structure is in a locking state, the position of the plug-in piece 21 is staggered with that of the slot; when locking member 31 slides relative to stroller frame 1 or backrest 2 to a position where plug 21 corresponds to the slotted position, plug 21 can enter and exit the slotted position, thereby disengaging plug 21 from locking member 31.

The locking structure further includes an elastic member 32 for urging the locking member 31 to return, and both end portions of the elastic member 32 are provided on one of the two components of the cart frame 1 and the backrest 2 and the locking member 31, respectively. In this embodiment, the elastic member 32 is a compression spring.

The backrest 2 is detachably provided at the front and rear of the stroller frame 1. Specifically, the stroller frame 1 has a first insertion portion 164a located at the front and a second insertion portion 162a located at the rear, the insertion member 21 is disposed on the backrest 2, the first insertion portion 164a and the second insertion portion 162a are both matched with the insertion member 21, the insertion member 21 can be respectively matched with the first insertion portion 164a and the second insertion portion 162a, and the insertion member 21 can be respectively removed from the first insertion portion 164a and the second insertion portion 162 a.

Or, the backrest is provided with a plug part, the plug parts are respectively arranged at the front part and the rear part of the cart frame, the plug part is matched with the plug parts, the plug parts positioned at the front part and the rear part can be respectively matched with the plug part, and the plug parts can also be separated from the plug parts, which is not shown in the figure.

In the present embodiment, the lock member 31 is slidably provided on the cart frame 1, and the plug 21 is provided on the backrest 2.

In the embodiment, a specific structure of the cart frame 1 is provided, which specifically includes the following steps:

the stroller frame 1 includes a front bracket 11, a rear bracket 12, a push rod assembly 13, a front link 14, a side link 15, a seat assembly, and a seat rod link 17.

The front wheel assembly 50 is disposed at a lower portion of the front bracket 11. The rear wheel assembly 60 is disposed at a lower portion of the rear bracket 12. Two of the three components of the upper part of the front bracket 11, the upper part of the rear bracket 12 and the lower part of the push rod assembly 13 are rotatably connected, and the third component is rotatably connected with any one of the two components, or the three components are rotatably connected with the same shaft. One end of the front link 14 is rotatably and slidably provided on the front bracket 11, and the other end of the front link 14 is rotatably connected to the rear bracket 12. One end of the side link 15 is rotatably connected to the lower portion of the push rod assembly 13, and the other end of the side link 15 is rotatably connected to the front link 14.

In this embodiment, the rear bracket 12, the front link 14, and the side link 15 are respectively provided on the left and right sides of the front bracket 11 and the push rod assembly 13.

The seat assembly includes a seat post 161, a back rest post 162 positioned at the rear of the seat post 161, a grab bar 163 positioned above the seat post 161, and a bar 164 positioned at the front of the seat post 161. The rear portion of the seat bar 161 is rotatably coupled to the upper portion of the front supporter 11. The lower portion of the back lever 162 is rotatably coupled to the rear portion of the seat lever 161. The rear portion of the grab bar 163 is rotatably connected to the upper portion of the back rest bar 162. Both ends of the bar 164 are rotatably connected to the front portion of the seat post 161 and the front portion of the grab bar 163, respectively. Thus, a four-bar linkage is formed between the seat bar 161, the back bar 162, the grab bar 163, and the stopper 164.

One end of the seat link 17 is rotatably connected to the seat lever 161, and the other end of the seat link 17 is rotatably and slidably provided on the front bracket 11.

Specifically, the stroller frame 1 further includes a sliding member 18, the sliding member 18 is slidably disposed on the front bracket 11 along a length extending direction of the front bracket 11, and the front link 14 and the seat link 17 are respectively rotatably connected to the sliding member 18.

In this embodiment, the seat post 161 includes a frame enclosing post having a closed frame-shaped structure and a connecting rod fixedly disposed at a rear end portion of the frame enclosing post and extending in an up-down direction, an upper portion of the connecting rod is rotatably connected to a lower portion of the back support post 162, a lower portion of the connecting rod is rotatably connected to an upper portion of the front support 11, the stopper post 164 is rotatably connected to a front portion of the frame enclosing post, and the seat post connecting rods 17 are respectively disposed at left and right sides of the frame enclosing post and rotatably connected to the left and right sides of the frame enclosing post. The grab bar 163 has a closed frame-shaped structure.

Preferably, the upper portion of the front supporter 11, the upper portion of the rear supporter 12 and the lower portion of the push rod assembly 13 are pivotally connected to each other, and the three portions of the front link 14, the seatpost link 17 and the slider 18 are pivotally connected to each other. Thus, a crank-slider mechanism is formed among the front bracket 11, the holder bar 161, the holder bar link 17 and the slider 18, a crank-slider mechanism is also formed among the front bracket 11, the rear bracket 12, the front link 14 and the slider 18, and a four-link mechanism is formed among the push rod assembly 13, the rear bracket 12, the front link 14 and the side link 15.

Push rod assembly 13 includes a lower push rod 131 and an upper push rod slidably disposed on lower push rod 131 in a direction in which the length of lower push rod 131 extends. In this embodiment, the lower push rod 131 has a lumen extending along the length direction thereof, and the upper push rod 132 can slide relative to the lower push rod 131 in a direction of retracting the lower push rod 131 or extending the lower push rod 131. The upper part of the front bracket 11, the upper part of the rear bracket 12 and the lower part of the lower push rod 131 are connected with the same shaft in a rotating way, and one end part of the side link 15 is connected with the lower part of the lower push rod 131 in a rotating way.

In this embodiment, the backrest 2 is detachably provided to the seat assembly, and specifically, the backrest 2 is detachably provided to the upper portions of the backrest lever 162 and the stopper lever 164, that is, the first insertion portion 164a is provided to the stopper lever 164, the second insertion portion 162a is provided to the backrest lever 162, and the locking members 31 are slidably provided to the backrest lever 162 and the stopper lever 164, respectively.

The stroller has a forward use position and a reverse use position when the stroller is in the deployed position.

When the stroller is in the forward use state: the backrest 2 is disposed on the backrest rod 162, and specifically, the plug-in unit 21 is engaged with the second plug-in unit 162 a. The upper push rod 132 protrudes mostly outside the lumen of the lower push rod 31. The joints of the front link 14 and the seat link 17 with the front support 11 are located below and in front of the joint of the seat link 161 with the front support 11, the joints of the rear support 12 and/or the lower push link 13 with the front support 11 are located below and behind the joint of the seat link 161 with the front support 11, the joints of the front support 11 and/or the rear support 12 with the lower push link 131 are located below and in front of the joint of the side link 15 with the lower push link 131, the joints of the side link 15 with the front link 14 are located between the joints of the front link 14 and the front support 11 and the joints of the front link 14 and the rear support 12, the joints of the front support 11 and/or the lower push link 13 with the rear support 12 are located above and in front of the joint of the front link 14 with the front support 11, and the slide 18 is located on the front support 11 at the upper portion of the front support 11. The grab bar 24 is positioned above the enclosure frame, and the enclosure frame bar and the grab bar 24 are both approximately in a horizontal state. As shown in fig. 1 and 2.

When the stroller is in a reverse use state: the backrest 2 is disposed on the stop rod 164, and specifically, the plug-in unit 21 is engaged with the first plug-in unit 164 a. The rest is the same as the stroller in the forward use state. As shown in fig. 14 and 15.

When the baby stroller is converted from the forward using state to the reverse using state, the locking structure is unlocked, and the specific operation is as follows: the locking member 31 is pushed down to slide with respect to the back lever 162 until the plug-in member 21 corresponds to the position of the notch on the locking member 31, as shown in fig. 7 and 8, during which the elastic member 32 is compressed. When the backrest 2 is pulled upwards, the plug-in unit 21 can enter the slot until coming out of the slot, the locking structure is unlocked, at this time, the plug-in unit 21 can come out of the second plug-in unit 162a, and the backrest 2 is detached from the backrest rod 162, as shown in fig. 9 to 13. The backrest 2 is then mounted on the bar 164, specifically: the locking piece 31 is pressed down, the plug connector 21 is inserted into the first inserting portion 164a, in the inserting process of the plug connector 21, the plug connector 21 penetrates through the groove in the locking piece 31, after the plug connector 21 is inserted in place, the locking piece 31 is released, the locking piece 31 slides reversely under the action of the elastic force of the elastic piece 32 to reset, until the convex portion on the locking piece 31 is clamped with the plug connector 21, the locking structure is locked, and the child stroller is in a reverse use state.

The operation method for the child stroller to switch from the reverse use state to the forward use state is the same as above, and is not described in detail.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a children's shallow, is in including shallow frame, setting the anterior front wheel subassembly in the end of shallow frame, setting are in the rear wheel subassembly in the end rear portion of shallow frame and taking at children are used for supplying the back that children leaned on during the children's shallow, its characterized in that: the backrest is detachably arranged on the stroller frame, the stroller further comprises a locking structure which is used for locking the positions of the backrest and the stroller frame when the backrest is arranged on the stroller frame, the locking structure comprises a locking piece which can be slidably arranged on one of the two parts of the stroller frame and the backrest and a plug piece which is arranged on the other of the two parts of the stroller frame and the backrest, the locking piece is provided with a first matching part and a second matching part which are matched with the plug piece, when the locking structure is in a locking state, the plug piece is matched with the first matching part, when the locking structure is in an unlocking state, the plug piece is disengaged from the locking piece, and when the locking piece slides relative to the stroller frame or the backrest to enable the plug piece to correspond to the second matching part, the engagement between the plug connector and the locking member can be disengaged.

2. The stroller of claim 1, wherein: first cooperation portion is for setting up convex part on the locking piece works as when locking structure is in the locking state, the plug connector card is established on the convex part, works as when locking structure is in the unblock state, the plug connector breaks away from the convex part.

3. The stroller of claim 1, wherein: the second cooperation portion is for setting up fluting on the locking piece, works as when locking structure is in the locking state, the plug connector with the position of fluting staggers mutually, works as the locking piece is relative shallow frame or the back slides and makes the plug connector with the position of fluting corresponds when, the plug connector can get into the fluting is followed deviate from in the fluting.

4. The stroller of claim 1, wherein: the locking structure further comprises an elastic piece for driving the locking piece to reset, and two end parts of the elastic piece are respectively arranged on one of the two parts of the trolley frame and the backrest and the locking piece.

5. The stroller of claim 1, wherein: the stroller frame is provided with a first plug-in part located in the front and a second plug-in part located at the rear, the plug connectors are arranged on the backrest, the first plug-in part and the second plug-in part are matched with the plug connectors, the stroller is provided with a forward use state and a reverse use state, when the stroller is in the forward use state, the plug connectors are matched with the second plug-in part, and when the stroller is in the reverse use state, the plug connectors are matched with the first plug-in part.

6. The stroller of claim 1, wherein: the back has grafting portion, the plug connector sets up respectively the front portion and the rear portion of shallow frame, grafting portion with the plug connector phase-match, children's shallow has forward user state and reverse user state, works as when children's shallow is in forward user state, be located the rear portion the plug connector with grafting portion cooperatees, works as when children's shallow is in reverse user state, be located anteriorly the plug connector with grafting portion cooperatees.

7. The stroller of claim 1, wherein: the stroller frame includes a seat assembly on which the backrest is removably disposed.

8. The stroller of claim 7, wherein: the seat subassembly includes the seat pole, is located the back pole at seat pole rear portion, is located the bar of the top of seat pole and being located the anterior pin of seat pole, the both ends of back pole respectively with the rear portion of seat pole with the rear portion of bar rotates mutually to be connected, the both ends of pin respectively with the front portion of seat pole with the front portion of bar rotates mutually to be connected, back detachably sets up the back pole with on the pin.

9. The stroller of claim 8, wherein: the cart frame further comprises a front support used for mounting the front wheel assembly, a rear support used for mounting the rear wheel assembly, a push rod assembly, a front connecting rod, a side connecting rod and a seat rod connecting rod, the rear part of the seat rod is rotatably connected with the upper part of the front support, two of the three parts of the upper part of the front support, the upper part of the rear support and the lower part of the push rod assembly are rotatably connected, the third part is rotatably connected with any one of the two parts or is rotatably connected with the same shaft of the three parts, one end part of the front connecting rod is rotatably and slidably arranged on the front support, the other end part of the front connecting rod is rotatably connected with the rear support, one end part of the side connecting rod is rotatably connected with the lower part of the push rod assembly, and the other end part of the side connecting rod is rotatably connected with the front connecting rod, one end of the seat rod connecting rod is rotatably connected with the seat rod, and the other end of the seat rod connecting rod is rotatably and slidably arranged on the front bracket.

10. The stroller of claim 9, wherein: the stroller frame further comprises a sliding piece which is arranged on the front support in a sliding manner along the length extending direction of the front support, and one end part of the front connecting rod and the other end part of the seat rod connecting rod are respectively and rotatably connected with the sliding piece.