CN210502838U - Children's barrow - Google Patents
Children's barrow Download PDFInfo
- Publication number
- CN210502838U CN210502838U CN201921218273.8U CN201921218273U CN210502838U CN 210502838 U CN210502838 U CN 210502838U CN 201921218273 U CN201921218273 U CN 201921218273U CN 210502838 U CN210502838 U CN 210502838U
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- locking
- rope
- backrest
- locking device
- stroller
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- 230000002040 relaxant effect Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000003068 static effect Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The utility model discloses a children's cart, which comprises a frame, a seat, a backrest and an angle adjusting mechanism, wherein the frame at least comprises side brackets which are respectively arranged at the left side and the right side, the seat is arranged between the side brackets at the two sides, the backrest is rotatablely connected on the seat, the angle adjusting mechanism comprises a base, a turntable which is rotatablely arranged on the base, a backrest rope which is rotatablely arranged on the turntable and used for driving the backrest, and a locking device with one-way locking function, the locking device with one-way locking function is arranged to control the rotation direction of the turntable, so that when the locking device is in a locking state, the backrest rope which is arranged on the turntable can be tightened up/loosened through the one-way rotation of the turntable to adjust the angle of the backrest, after the angle is adjusted, because of the one-way locking function of the locking device, the turntable can not rotate in the opposite direction, thereby allowing the backrest angle to be automatically fixed.
Description
Technical Field
The utility model relates to a bassinet field, concretely relates to children's shallow.
Background
Generally be equipped with seat and back on the children's shallow, for making children lean on the back with the angle of difference, the angle of the relative seat of back often can be adjusted, if chinese utility model patent ZL201820911201.0 just discloses a bassinet with seat mechanism back adjusting device, but this bassinet need be earlier with locking device unblock when adjusting the back angle, after back angle adjustment, need lock locking device with fixed back angle, the operation is wasted time and energy, it is very inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a need not to adjust the back angle with the locking device unblock, can automatic fixed back angle's children's shallow after back angular adjustment has been good.
In order to achieve the above object, the utility model discloses a technical scheme is, a children's shallow, include:
the bicycle frame comprises side brackets which are respectively arranged at the left side and the right side;
a seat arranged between the side brackets at two sides;
the backrest is rotatably arranged between the side brackets on the two sides;
the angle adjusting mechanism is used for adjusting an included angle between a plane where the backrest is located and a plane where the seat is located, and comprises a base, a rotary disc, a locking device and a backrest rope, wherein the rotary disc is rotatably arranged on the base, and the backrest rope is used for driving the backrest to rotate;
the backrest rope is wound on the turntable;
the locking device has a locked state and an unlocked state;
when the locking device is in a locking state, the turntable can only rotate in a single direction in the direction of tightening the backrest rope or can only rotate in a single direction in the direction of loosening the backrest rope under the action of external force; when locking device is in the unblock state, the carousel can be to tightening up under the exogenic action the direction of back rope rotates, can be to relaxing again the direction rotation of back rope.
Preferably, the locking device comprises a locking plate, and the locking plate is matched with the rotary disc when the locking device is in a locking state; when the locking device is in an unlocked state, the locking plate is disengaged from the turntable.
Preferably, the locking plate is rotatably connected to the base through a rotating shaft.
Further preferably, the axis of the rotating shaft is parallel to the axis of rotation of the turntable.
Further preferably, the locking device further comprises an elastic member for urging the locking plate to rotate in a direction of being engaged with the rotary plate.
Further preferably, the angle adjustment mechanism further comprises an unlocking device, the unlocking device comprises a push plate which is slidably arranged on the base in a penetrating mode and an unlocking button which is located at one end of the push plate, and when the locking device is in an unlocking state, the unlocking button is pressed down and pushes the push plate to enable the locking plate to rotate until the locking plate is disengaged from the rotary disc.
Further preferably, the locking plate is located in a hollow area in the middle of the rotary disc, teeth are arranged on the inner circumferential surface of the rotary disc, and locking teeth matched with the teeth are arranged on the locking plate.
Preferably, the angle adjusting mechanism further comprises an adjusting rope wound on the rotary table, and when the locking device is in a locking state, the adjusting rope is pulled to drive the rotary table to rotate unidirectionally in the direction of tightening the backrest rope.
Further preferably, be provided with first recess, second recess on the outer periphery of carousel, the back rope passes through first recess is around establishing on the carousel, it establishes to adjust the rope pass through the second recess is around on the carousel.
Further preferably, the angle adjusting mechanism is arranged on the back of the backrest, and the rotation axis of the rotating disc is perpendicular to the plane of the backrest.
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 through the rotation direction of the locking device that sets up the one-way locking function in order to control the carousel in angle adjustment mechanism for when locking device is in the lock-out state, can tighten up/relax around the back rope of establishing on the carousel with adjustment back angle through the one-way rotation of carousel, after back angular adjustment has been good, because locking device's one-way locking function, the carousel can't rotate to the direction of relaxing/tightening up the back rope, thereby automatic fixed back angle.
Drawings
Fig. 1 is a rear view of the stroller of the present invention.
Fig. 2 is a left side view of the stroller of the present invention.
Fig. 3 is a front view of the angle adjusting mechanism of the present invention, and the locking device is in a locked state at this time.
Fig. 4 is a front view of the angle adjusting mechanism of the present invention, and the locking device is in an unlocked state at this time.
Fig. 5 is an exploded view of the angle adjusting mechanism of the present invention.
Fig. 6 is a top view of the angle adjusting mechanism of the present invention.
Fig. 7 is a front view of the middle rotary table of the present invention.
Fig. 8 is a perspective view of the middle rotary plate of the present invention.
Fig. 9 is a perspective view of the base of the present invention.
Wherein: 1. a base; 11. a kidney-shaped hole; 12. a groove; 2. a turntable; 21. teeth; 22. a first groove; 23. a second groove; 24. a first through hole; 25. a second through hole; 3. a locking device; 31. a locking plate; 32. a locking tooth; 33. an elastic member (spring); 34. a rotating shaft; 35. a protrusion; 36. a stopper; 4. a backrest cord; 41. a backrest cord first cord end; 42. a backrest cord second cord end; 5. adjusting the rope; 51. adjusting a second rope end of the rope; 6. an unlocking device; 61. pushing the plate; 62. an unlock button; 7. a cover plate; 8. a frame; 81. a side bracket; 82. a seat; 83. a backrest; 84. a wheel; 85. a backrest rotation shaft; 9. an angle adjusting mechanism.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
The utility model discloses well left right direction that indicates is left right direction in the attached figure 1, the utility model discloses well clockwise, the anticlockwise be clockwise in the figure 3, anticlockwise.
Referring to fig. 1 to 2, the stroller includes: the bicycle comprises a frame 8, a seat 82, a backrest 83, wheels 84 and an angle adjusting mechanism 9, wherein the wheels 84 are connected to the bottom of the frame 8, the frame 8 comprises side brackets 81 positioned on the left side and the right side, the seat 82 is arranged between the side brackets 81 on the two sides, the backrest 83 is rotatably connected to the seat 82 through a backrest rotating shaft 85, the angle adjusting mechanism 9 is arranged on the back of the backrest 83, and the angle adjusting mechanism 9 is used for adjusting an included angle between the plane where the backrest 83 is located and the plane where the seat 82 is located.
Referring to fig. 1 to 6, the angle adjusting mechanism 9 includes: the backrest seat comprises a base 1, a rotary table 2, a locking device 3, a backrest rope 4, an adjusting rope 5, an unlocking device 6 and a cover plate 7, wherein the base 1 is fixed on the back surface of a backrest 83, the rotary table 2 is rotatably arranged on the base 1, the rotation axis line of the rotary table 2 is perpendicular to the plane of the backrest 83, the backrest rope 4 and the adjusting rope 5 are wound on the outer circumferential surface of the rotary table 2, the backrest rope 4 can be driven to be tightened when the rotary table 2 rotates clockwise, the backrest rope 4 can be driven to be loosened when the rotary table 2 rotates anticlockwise, the rope end of the backrest rope 4 extending out of an angle adjusting mechanism 9 is connected to a frame 8, the backrest 83 is driven to rotate around a rotation shaft 85 when the backrest rope 4 is tightened, and the included angle between the plane of the backrest 83 and the plane of; the rope end of the adjusting rope 5 extending out of the angle adjusting mechanism 9 can be pulled to drive the turntable 2 to rotate clockwise, so that the manual operation is facilitated; the locking device 3 is a one-way locking device, the locking device 3 is used for limiting the rotation direction of the rotary disc 2, the locking device 3 has a locking state and an unlocking state, when the locking device 3 is in the locking state, the rotary disc 2 can only rotate relative to the base 1 along the clockwise direction and tighten the backrest rope 4, when the locking device 3 is in the unlocking state, the rotary disc 2 can rotate relative to the base 1 along the clockwise direction or the anticlockwise direction, the unlocking device 6 is arranged on the base 1 and used for unlocking the locking device 3, and the cover plate 7 is buckled on the base 1.
Referring to fig. 3 to 4, the turntable 2 is hollow in the middle, the locking device 3 includes a locking plate 31 located in the hollow area in the middle of the turntable 2, the locking plate 31 is rotatably connected to the base 1 through a rotating shaft 34, the locking plate 31 can rotate around the rotating shaft 34 to switch the locking device 3 between a locking state and an unlocking state, a kidney-shaped hole 11 is formed in the base 1, a protrusion 35 for extending into the kidney-shaped hole 11 is formed in the locking plate, the protrusion 35 moves in the kidney-shaped hole 11 when the locking plate 31 rotates around the rotating shaft 34, and the kidney-shaped hole 11 controls the rotating angle of the locking plate 31 by limiting the moving range of the protrusion 35; the inner circumferential surface of the rotary disc 2 is provided with a plurality of teeth 21, one end of the locking plate 31 is provided with a plurality of locking teeth 32 matched with the teeth 21, when the locking device 3 is in a locking state, the locking teeth 32 are contacted and meshed with the teeth 21, the rotary disc 2 can only rotate along a clockwise direction, when the locking device 3 is in an unlocking state, the locking teeth 32 are separated from the teeth 21, the rotary disc 2 can rotate along the clockwise direction or the anticlockwise direction, the rotating shaft 34 is positioned on the left side of the rotating shaft center line of the rotary disc 2 and positioned at the end part, far away from the locking teeth 32, of the locking plate 31, and a gap is formed between the left side edge of the locking plate 31 and the.
The cover plate 7 is provided with a hole corresponding to the kidney-shaped hole 11, and the other end of the protrusion 35 is inserted into the hole.
The unidirectional locking of the locking device 3 in fig. 3-4 will now be explained.
Referring to fig. 3-4, the locking device 3 further includes an elastic member 33, the elastic member 33 is a spring, one end of the elastic member 33 is in contact with the locking plate 31, the elastic member 33 is used for driving the locking plate 31 to rotate in a direction of contacting with the turntable 2, that is, the elastic member 33 is used for driving the locking plate 31 to rotate in a counterclockwise direction around the rotating shaft 34;
when the locking device 3 is in a locking state, the locking teeth 32 are meshed with the teeth 21, at the moment, external force is applied to rotate the turntable 2 clockwise, the teeth 21 drive the locking teeth 32 to rotate clockwise, the locking teeth 32 drive the locking plate 31 to rotate clockwise around the rotating shaft 34, so that a gap between the left side edge of the locking plate 31 and the tooth top of the teeth 21 is increased, the tooth top of the teeth 21 does not touch the left side edge of the locking plate 31 when the turntable 2 rotates clockwise, and the turntable 2 can rotate smoothly in the clockwise direction; when the locking plate 31 rotates clockwise around the rotating shaft 34, the tooth 21 is separated from the locking tooth 32, the elastic piece 33 is compressed by the locking plate 31, the elastic piece 33 is charged with energy, the rotating disc 2 continues to rotate clockwise, the elastic piece 33 releases the charged energy to enable the locking tooth 32 to rotate anticlockwise to be meshed with another tooth 21, and at the moment, the locking device 3 restores the locking state;
when the locking device 3 is in a locking state, the locking teeth 32 are meshed with the teeth 21, at the moment, external force is applied to rotate the rotary disc 2 anticlockwise, the teeth 21 drive the locking teeth 32 to rotate anticlockwise, so that a gap between the left side edge of the locking plate 31 and the tooth tops of the teeth 21 is reduced, until the left side edge of the locking plate 31 is in contact with the tooth tops of the teeth 21 on the inner circumferential surface of the rotary disc 2 to generate static friction force, the static friction force is greater than the external force applied to the rotary disc 2 due to the lever action, and the torque generated by the static friction force is greater than the torque generated by the external force applied to the rotary disc 2, so that the rotary disc 2 cannot rotate smoothly in;
a one-way locking function is achieved when the locking means 3 is in the locked state.
Of course, if the protrusion 35 contacts with one side of the kidney-shaped hole 11 when the locking device 3 is in the locked state, and at this time, an external force is applied to rotate the rotary plate 2 counterclockwise, since the protrusion 35 is blocked by one side of the kidney-shaped hole 11, as shown in fig. 3, the locking plate 31 cannot rotate counterclockwise around the rotating shaft 34, and the rotary plate 2 cannot rotate counterclockwise, so that the one-way locking effect of the locking device 3 can be enhanced.
The manner of adjusting the backrest angle when the lock device 3 is in the locked state will be described below.
Referring to fig. 5, the annular first groove 22 and the annular second groove 23 are arranged in parallel on the outer circumferential surface of the turntable 2, two through holes, namely a first through hole 24 and a second through hole 25, are formed in a groove wall between the first groove 22 and the second groove 23, a first rope end 41 of the backrest rope and a second rope end 42 of the backrest rope are respectively arranged at two ends of the backrest rope 4, wherein the first rope end 41 of the backrest rope penetrates through the first through hole 24 and is wound in the first groove 22 along the counterclockwise direction, and the first rope end 41 of the backrest rope extends out from the upper left of the turntable 2 after the backrest rope is wound; the second rope end 42 of the backrest rope passes through the second through hole 25 and is wound in the first groove 22 along the counterclockwise direction, and the second rope end 42 of the backrest rope extends out from the lower right of the turntable 2 after the second rope end is wound;
the two ends of the adjusting rope 5 are respectively an adjusting rope first rope end and an adjusting rope second rope end 51, wherein the adjusting rope first rope end is fixed on the first through hole 24, the adjusting rope second rope end 51 is wound in the second groove 23 along the clockwise direction, and the adjusting rope second rope end 51 extends out from the upper right of the turntable 2 after winding;
the surface that base 1 is close to carousel 2 is provided with a plurality of recesses 12, when end cover 7 lock is on base 1, above-mentioned recess forms and is used for the first rope end 41 of back rope, back rope second rope end 42, the passageway that angle adjustment mechanism 9 is stretched out to regulation rope second rope end 51, the first rope end 41 of back rope, back rope second rope end 42, it continues to stretch out through above-mentioned passageway to adjust rope second rope end 51 after stretching out carousel 2, the first rope end 41 of back rope, back rope second rope end 42 stretches out angle adjustment mechanism 9 after-fixing on the collateral branch frame 81 that is located the left and right sides, it is unsettled to adjust rope second rope end 51, convenient operation.
When locking device 3 is in the lock-out state, as shown in fig. 1, can drive carousel 2 when the rope 5 is adjusted in the pulling and rotate along clockwise, carousel 2 clockwise rotates and drives back rope 4 and tighten up, and then adjusts the angle of back 83, of course, owing to tighten up the angle that back rope 4 can adjust back 83, explain the angle that also can adjust back 83 through relaxing back rope 4, back rope 4 is the same or opposite not influence with the winding direction of adjusting rope 5 promptly the utility model discloses an implement the effect.
The unlocking means 6 will be explained below.
Referring to fig. 3 to 5, the unlocking means 6 includes a push plate 61 slidably disposed through the base and an unlocking button 62 disposed at one end of the push plate 61, when the locking device 3 is unlocked, the unlocking button 62 is pressed to drive the push plate 61 to move towards the direction close to the stop block 36 on the locking plate 31 until the push plate 61 contacts with the stop block 36 and drives the locking plate 31 to rotate clockwise around the rotating shaft 34 by the stop block 36, so that the locking teeth 32 of the locking plate 31 are separated from the teeth 21 on the turntable 2, i.e., the locking device 3 is unlocked and the locking device 3 is locked again, the force of pressing the unlocking button 62 is simply removed, under the elastic force of the elastic member 33, the locking plate 31 rotates counterclockwise around the rotating shaft 34 until the locking teeth 32 of the locking plate 31 engage with the teeth 21 on the rotary disk 2, so that the locking device 3 is restored to the locked state, and the push plate 61 moves in the opposite direction to drive the unlocking button 62 to pop up.
Through setting up the rotation direction that has locking device 3 of one-way locking function with control carousel 2, make when locking device 3 is in the lock-out state, can tighten up the angle of winding back rope 4 on carousel 2 with the adjustment back 83 through the one-way rotation of carousel 2, after the angular adjustment of back 83 is good, because locking device 3's one-way locking function, carousel 2 can't rotate to the direction of relaxing the back rope, thereby make the angle of back 83 by automatic fixation, moreover, the steam generator is simple in structure, and convenient for operation, need not to carry out specific unblock step and can adjust the back angle.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. A stroller, comprising:
the bicycle frame (8), the bicycle frame (8) comprises side brackets (81) which are respectively arranged at the left side and the right side;
a seat (82) arranged between the side brackets (81) on both sides;
a backrest (83) rotatably arranged between the side brackets (81) at two sides;
the angle adjusting mechanism (9) is used for adjusting an included angle between a plane where the backrest (83) is located and a plane where the seat (82) is located, and the angle adjusting mechanism (9) comprises a base (1), a rotary disc (2) rotatably arranged on the base (1), a locking device (3) and a backrest rope (4) used for driving the backrest (83) to rotate;
the method is characterized in that:
the backrest rope (4) is wound on the turntable (2);
the locking device (3) has a locked state and an unlocked state;
when the locking device (3) is in a locking state, the turntable (2) can only rotate in a single direction in the direction of tightening the backrest rope (4) or in the direction of loosening the backrest rope (4) under the action of external force; when locking device (3) are in the unblock state, carousel (2) can be to tightening up under the exogenic action the direction of back rope (4) is rotated, can be to relaxing the direction of back rope (4) is rotated again.
2. The stroller of claim 1, wherein: the locking device (3) comprises a locking plate (31), and when the locking device (3) is in a locking state, the locking plate (31) is matched with the rotary disc (2); when the locking device (3) is in an unlocked state, the locking plate (31) is disengaged from the rotary disc (2).
3. The stroller of claim 2, wherein: the locking plate (31) is rotatably connected to the base (1) through a rotating shaft (34).
4. The stroller of claim 3, wherein: the axis of the rotating shaft (34) is parallel to the axis of the rotating disc (2).
5. The stroller of claim 3, wherein: the locking device (3) further comprises an elastic piece (33) used for driving the locking plate (31) to rotate towards the direction matched with the rotary disc (2).
6. The stroller of claim 3, wherein: the angle adjusting mechanism (9) further comprises an unlocking device (6), the unlocking device (6) comprises a push plate (61) which is slidably arranged on the base (1) in a penetrating mode and an unlocking button (62) which is located at one end of the push plate (61), and when the locking device (3) is in an unlocking state, the unlocking button (62) is pressed down and pushes the push plate (61) to enable the locking plate (31) to rotate until the locking plate is disengaged from the rotary disc (2).
7. The stroller of claim 3, wherein: the locking plate (31) is located in a hollow area in the middle of the rotary disc (2), teeth (21) are arranged on the inner circumferential surface of the rotary disc (2), and locking teeth (32) matched with the teeth (21) are arranged on the locking plate (31).
8. Child stroller according to any of claims 1-7, characterized in that: angle adjustment mechanism (9) are still including establishing around adjusting rope (5) on carousel (2) locking device (3) are in when locking state, the pulling adjust rope (5) drive carousel (2) are to tightening up the one-way rotation of direction of back rope (4).
9. The stroller of claim 8, wherein: be provided with first recess (22), second recess (23) on the outer periphery of carousel (2), back rope (4) pass through first recess (22) are around establishing on carousel (2), adjust rope (5) and pass through second recess (23) are around establishing on carousel (2).
10. The stroller of claim 1, wherein: the angle adjusting mechanism (9) is arranged on the back of the backrest (83), and the rotating axis of the turntable (2) is perpendicular to the plane of the backrest (83).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921218273.8U CN210502838U (en) | 2019-07-31 | 2019-07-31 | Children's barrow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921218273.8U CN210502838U (en) | 2019-07-31 | 2019-07-31 | Children's barrow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210502838U true CN210502838U (en) | 2020-05-12 |
Family
ID=70586514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921218273.8U Active CN210502838U (en) | 2019-07-31 | 2019-07-31 | Children's barrow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210502838U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110481629A (en) * | 2019-07-31 | 2019-11-22 | 好孩子儿童用品有限公司 | A kind of children trolley |
-
2019
- 2019-07-31 CN CN201921218273.8U patent/CN210502838U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110481629A (en) * | 2019-07-31 | 2019-11-22 | 好孩子儿童用品有限公司 | A kind of children trolley |
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