CN213649701U - Baby carriage frame capable of rotating 360 degrees - Google Patents
Baby carriage frame capable of rotating 360 degrees Download PDFInfo
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- CN213649701U CN213649701U CN202022204407.XU CN202022204407U CN213649701U CN 213649701 U CN213649701 U CN 213649701U CN 202022204407 U CN202022204407 U CN 202022204407U CN 213649701 U CN213649701 U CN 213649701U
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Abstract
The utility model relates to a baby carriage frame capable of rotating 360 degrees, the upper end of a push rod component is connected with a push handle component in a sliding way, and an unlocking handle is arranged on the push handle component; the lower end of the push rod assembly is sleeved with a push rod gear, the end part of the push rod gear is fixedly connected with two ends of the middle connecting rod assembly respectively, one end of a steel wire rope is connected with the unlocking handle, and the other end of the steel wire rope is connected with the push rod gear of the push rod assembly; a push rod gear of the push rod assembly is matched with a locking groove of the locking seat assembly; the cam is fixedly arranged on the middle connecting rod assembly, the locking gear comprises a retainer ring part, a gear part and a hole part, the retainer ring part is sleeved on the cam, the gear part is matched with the rotating disc, and a rotating shaft at the bottom of the locking seat assembly penetrates through the hole part and then extends into a central hole of the rotating disc; when the push rod assembly is in the vertical direction, the cam jacks the retainer ring part, and the gear part is separated from the rotating disc. The utility model discloses utilize the cooperation of cam, locking gear and rear wheel bracket component, the locking seat subassembly can realize 360 rotations on the horizontal plane.
Description
Technical Field
The utility model relates to a baby carriage frame capable of rotating 360 degrees. Belongs to the technical field of children's vehicles.
Background
The baby carriage is a tool carriage which is designed for providing convenience for outdoor activities of babies, is a favorite walking vehicle for babies, and is an essential product for mothers to go shopping on the street with the babies.
If in the face of sunshine, a mother needs to turn the frame, so that the sunshine is back to the baby carriage, the baby is prevented from being directly irradiated by the sunshine, the existing baby carriage cannot realize 360-degree rotation of the frame (or cannot simply and conveniently realize 360-degree rotation of the frame), and the requirements of users cannot be met.
Disclosure of Invention
An object of the utility model is to overcome above-mentioned not enough, provide a baby carriage frame that can 360 rotations.
The purpose of the utility model is realized like this:
a baby carriage frame capable of rotating 360 degrees is characterized in that: the locking mechanism comprises a front wheel bracket assembly, a rear wheel bracket assembly, a push rod assembly, a locking seat assembly, a push handle assembly, a middle connecting rod assembly, a cam and a locking gear; the lower end of the push rod component is rotationally connected with the locking seat component;
the rear wheel bracket component comprises a rotating disc at the upper part, and the front wheel bracket component is hinged with the bottom of the rotating disc;
the upper end of the push rod component is connected with the push handle component in a sliding way, and the push handle component is provided with an unlocking handle;
the lower end of the push rod assembly is sleeved with a push rod gear, the lower end part of the push rod assembly is fixedly connected with two ends of a middle connecting rod assembly respectively, and the middle connecting rod assembly is positioned on the axis of the locking seat assembly; the steel wire rope is positioned in the push rod assembly and the push handle assembly, one end of the steel wire rope is connected with the unlocking handle, and the other end of the steel wire rope is connected with the push rod gear of the push rod assembly;
a push rod gear of the push rod assembly is matched with a locking groove of the locking seat assembly;
the cam is fixedly arranged on the middle connecting rod assembly, the locking gear comprises a retainer ring part, a gear part and a hole part, the retainer ring part is sleeved on the cam, the gear part is matched with the rotating disc, and a rotating shaft at the bottom of the locking seat assembly penetrates through the hole part and then extends into a central hole of the rotating disc;
when the push rod assembly is in the vertical direction, the cam jacks the retainer ring part, and the gear part is separated from the rotating disc.
Further, the locking gear comprises a left part and a right part which are oppositely arranged, the left part and the right part are consistent in structure, the left part comprises a left stop ring part, a left gear part and a left half hole, and the right part comprises a right stop ring part, a right gear part and a right half hole;
the cam comprises a left cam and a right cam, a left retainer ring part is sleeved on the left cam, a right retainer ring part is sleeved on the right cam, and the left cam and the right cam are fixedly arranged on the middle connecting rod assembly;
the left gear part and the right gear part are matched with the rotating disc, and the rotating shaft penetrates through the through hole formed by the left half hole and the right half hole and then extends into the central hole.
Furthermore, the left cam and the right cam are staggered to form a 45-degree included angle.
Further, when the push rod assembly is in a non-vertical direction, the left gear portion or the right gear portion is meshed with the rotating disc.
Further, the locking gear may be one piece.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model relates to a can 360 rotatory perambulator frames utilizes the cooperation of cam, locking gear and rear wheel bracket component, and 360 rotations can be realized on the horizontal plane to the locking seat subassembly, and when push rod assembly was close to the rear wheel bracket component, the frame locking.
Drawings
Fig. 1 is a schematic view of a stroller frame capable of rotating 360 degrees according to the present invention.
Fig. 2 is a schematic view of the push rod assembly of fig. 1 in an upright position.
Fig. 3 is a schematic view of the locking assembly locked after rotating 360 ° in the horizontal plane.
Fig. 4 is an exploded view of fig. 1.
Fig. 5 is a cross-sectional view of the lock bracket assembly.
FIG. 6 is a schematic view of the engagement of the center link assembly, cam, lock gear and rear wheel bracket assembly.
FIG. 7 is a schematic view of the mounting of the connecting rod assembly to the cam.
Fig. 8 is a schematic view of the locking gear.
In the figure:
the front wheel bracket assembly 1, the rear wheel bracket assembly 2, the rolling disc 2.1, the center hole 2.1.1, the push rod assembly 3, the push rod gear 3.1, the locking seat assembly 4, the locking groove 4.1, the rotating shaft 4.2, the push handle assembly 5, the middle connecting rod assembly 6, the cam 7, the locking gear 8, the left part 8.1, the left retainer ring part 8.1.1, the left gear part 8.1.2 and the left half hole 8.1.3, the right part 8.2, the right retainer ring part 8.2.1, the right gear part 8.2.2 and the right half hole 8.2.3, the unlocking handle 9 and the steel wire rope 10.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Referring to fig. 1 and 4, the utility model relates to a baby carriage frame capable of rotating 360 degrees, which comprises a front wheel bracket component 1, a rear wheel bracket component 2, a push rod component 3, a locking seat component 4, a push handle component 5, a middle connecting rod component 6, a cam 7 and a locking gear 8; the lower end of the push rod component 3 is rotationally connected with the locking seat component 4;
referring to fig. 1 and 4, the rear wheel bracket assembly 2 includes a rotating disc 2.1 at the upper part, the front wheel bracket assembly 1 is hinged with the bottom of the rotating disc 2.1, and the front wheel bracket assembly 1 can be folded towards the rear wheel bracket assembly 2;
referring to fig. 1, the upper end of the push rod assembly 3 is connected with the push handle assembly 5, the push rod assembly 3 is in sliding connection with the push handle assembly 5, and the push handle assembly 5 is provided with an unlocking handle 9; referring to fig. 4-5, a push rod gear 3.1 is sleeved at the lower end of the push rod assembly 3, the lower end part of the push rod assembly 3 is fixedly connected with two ends of a middle connecting rod assembly 6 respectively, and the middle connecting rod assembly 6 is positioned on the axis of the locking seat assembly 4; the steel wire rope 10 is positioned in the push rod component 3 and the push handle component 5, one end of the steel wire rope 10 is connected with the unlocking handle 9, and the other end of the steel wire rope 10 is connected with the push rod gear 3.1 of the push rod component 3;
referring to fig. 4-5, a push rod gear 3.1 of the push rod assembly 3 is matched with a locking groove 4.1 of the locking seat assembly 4 to realize unlocking and locking of the push rod assembly 3 and the locking seat assembly 4;
referring to fig. 8, the locking gear 8 includes a left portion 8.1 and a right portion 8.2 arranged oppositely, the left portion 8.1 is identical to the right portion 8.2 in structure, the left portion 8.1 includes a left collar portion 8.1.1, a left gear portion 8.1.2 and a left half hole 8.1.3, and the right portion 8.2 includes a right collar portion 8.2.1, a right gear portion 8.2.2 and a right half hole 8.2.3;
referring to fig. 7-8, the cam 7 includes a left cam 7.1 and a right cam 7.2, the left retainer ring portion 8.1.1 is sleeved on the left cam 7.1, the right retainer ring portion 8.2.1 is sleeved on the right cam 7.2, the left cam 7.1 and the right cam 7.2 are fixedly arranged on the middle connecting rod assembly 6, and the left cam 7.1 and the right cam 7.2 are staggered to form a 45-degree included angle.
Referring to fig. 6, the left gear portion 8.1.2 and the right gear portion 8.2.2 are engaged with the rotating disc 2.1, and the rotating shaft 4.2 at the bottom of the locking seat assembly 4 passes through the through hole formed by the left half hole 8.1.3 and the right half hole 8.2.3 and then extends into the central hole 2.1.1 of the rotating disc 2.1;
referring to fig. 2 and 6, when the push rod assembly 3 is in the vertical state, the left cam 7.1 jacks up the left retainer ring portion 8.1.1, and the right cam 7.2 jacks up the right retainer ring portion 8.2.1, so that the left gear portion 8.1.2 and the right gear portion 8.2.2 are disengaged from the rotating disc 2.1; when the push rod assembly 3 is in a normal use state (the push rod assembly 3 obliquely approaches to the rear wheel bracket assembly 2), the left cam 7.1 jacks up the left retainer ring part 8.1.1, meanwhile, the right cam 7.2 does not jack up the right retainer ring part 8.2.1, the left gear part 8.1.2 is separated from the rotating disc 2.1, the right gear part 8.2.2 is meshed with a tooth groove of the rotating disc 2.1, and the locking seat assembly 4 and the rear wheel bracket assembly 2 are in a locking state.
Referring to fig. 6, when the push rod assembly 3 is in a non-vertical state, because the left cam 7.1 and the right cam 7.2 are misaligned to form an included angle of 45 °, the left gear portion 8.1.2 and the right gear portion 8.2 are not at the same height, and one gear portion is always meshed with the tooth socket of the rotating disc 2.1, so the locking seat assembly 4 and the rear wheel bracket assembly 2 are always in a locked state.
Of course, if the left cam 7.1 and the right cam 7.2 are not dislocated and have the same angle, the left gear portion 8.1.2 and the right gear portion 8.2.2 are always at the same height (the locking gear 8 may be made into an integral type at this time, and is not divided into the left portion 8.1 and the right portion 8.2), the locking and unlocking of the locking seat assembly 4 and the rear wheel bracket assembly 2 can be realized, and the unlocking is possible when the push rod assembly 3 is near the vertical direction, so the accuracy and the stability are poor.
The working principle is as follows:
the positive locking state: referring to fig. 1 and 6, when the push rod assembly 3 is in a normal use state (the push rod assembly 3 obliquely approaches the rear wheel bracket assembly 2), the push rod gear 3.1 is meshed with the locking groove 4.1, the push rod assembly 3 is locked with the locking seat assembly 4, the push rod assembly 3 is oblique, at this time, the left cam 7.1 jacks up the left retainer ring portion 8.1.1, the right cam 7.2 does not jack up the right retainer ring portion 8.2.1, the left gear portion 8.1.2 is separated from the rotating disc 2.1, the right gear portion 8.2.2 is meshed with the tooth groove of the rotating disc 2.1, the locking seat assembly 4 and the rear wheel bracket assembly 2 are in a locked state, and the whole frame is in a locked state;
unlocking of the push rod assembly 3 and the locking seat assembly 4: referring to fig. 4-5, the unlocking handle 9 is pulled, the steel wire rope 10 pulls the push rod gear 3.1 of the push rod assembly 3, the push rod gear 3.1 is separated from the locking groove 4.1, and the push rod assembly 3 is unlocked from the locking assembly 4;
unlocking of the lock base assembly 4 with the rear wheel bracket assembly 2: referring to fig. 2 and 6, after the push rod assembly 3 and the locking seat assembly 4 are unlocked, the push rod assembly 3 is driven to a middle vertical state, the left cam 7.1 jacks up the left retainer ring portion 8.1.1, and the right cam 7.2 jacks up the right retainer ring portion 8.2.1, so that the left gear portion 8.1.2 and the right gear portion 8.2.2 are separated from the rotating disc 2.1; the locking seat assembly 4 is unlocked from the rear wheel bracket assembly 2, and the locking seat assembly 4 and the push rod assembly 3 can rotate together on a horizontal plane by 360 degrees at the moment.
Reverse locking state: referring to fig. 2, 3 and 6, when the push rod assembly 3 is in a middle vertical state, the rotary push rod assembly 3 approaches to the front wheel bracket assembly 1, after the unlocking handle 9 is released, the push rod gear 3.1 is meshed with the locking groove 4.1, the push rod assembly 3 is locked with the locking seat assembly 4, the push rod assembly 3 is inclined, at this time, the left cam 7.1 does not jack up the left retainer ring portion 8.1.1, the right cam 7.2 jacks up the right retainer ring portion 8.2.1, the left gear portion 8.1.2 is meshed with the tooth socket of the rotary disc 2.1, the right gear portion 8.2.2 is separated from the tooth socket of the rotary disc 2.1, the locking seat assembly 4 and the rear wheel bracket assembly 2 are in a locking state, and the frame is in a reverse locking state.
The principle of returning the unlocked state to the forward locked state is the same as above.
In the above embodiments, the present invention has been described only by way of example, but various modifications may be made by those skilled in the art after reading the present patent application without departing from the spirit and scope of the invention.
Claims (5)
1. A baby carriage frame capable of rotating 360 degrees comprises a front wheel bracket assembly, a rear wheel bracket assembly, a push rod assembly, a locking seat assembly, a push handle assembly, a middle connecting rod assembly, a cam and a locking gear; the lower end of the push rod component is rotationally connected with the locking seat component;
the rear wheel bracket component comprises a rotating disc at the upper part, and the front wheel bracket component is hinged with the bottom of the rotating disc;
the upper end of the push rod component is connected with the push handle component in a sliding way, and the push handle component is provided with an unlocking handle;
the lower end of the push rod assembly is sleeved with a push rod gear, the lower end part of the push rod assembly is fixedly connected with two ends of a middle connecting rod assembly respectively, and the middle connecting rod assembly is positioned on the axis of the locking seat assembly; the steel wire rope is positioned in the push rod assembly and the push handle assembly, one end of the steel wire rope is connected with the unlocking handle, and the other end of the steel wire rope is connected with the push rod gear of the push rod assembly;
a push rod gear of the push rod assembly is matched with a locking groove of the locking seat assembly;
the cam is fixedly arranged on the middle connecting rod assembly, the locking gear comprises a retainer ring part, a gear part and a hole part, the retainer ring part is sleeved on the cam, the gear part is matched with the rotating disc, and a rotating shaft at the bottom of the locking seat assembly penetrates through the hole part and then extends into a central hole of the rotating disc;
when the push rod assembly is in the vertical direction, the cam jacks the retainer ring part, and the gear part is separated from the rotating disc.
2. A stroller frame rotatable through 360 ° according to claim 1, wherein: the locking gear comprises a left part and a right part which are oppositely arranged, the left part and the right part are consistent in structure, the left part comprises a left gear ring part, a left gear part and a left half hole, and the right part comprises a right gear ring part, a right gear part and a right half hole;
the cam comprises a left cam and a right cam, a left retainer ring part is sleeved on the left cam, a right retainer ring part is sleeved on the right cam, and the left cam and the right cam are fixedly arranged on the middle connecting rod assembly;
the left gear part and the right gear part are matched with the rotating disc, and the rotating shaft penetrates through the through hole formed by the left half hole and the right half hole and then extends into the central hole.
3. A stroller frame rotatable through 360 ° according to claim 2, wherein: the left cam and the right cam are staggered to form a 45-degree included angle.
4. A stroller frame rotatable through 360 ° according to claim 2, wherein: when the push rod assembly is in a non-vertical direction, the left gear part or the right gear part is meshed with the rotating disc.
5. A stroller frame rotatable through 360 ° according to claim 1, wherein: the locking gear may be one piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022204407.XU CN213649701U (en) | 2020-09-30 | 2020-09-30 | Baby carriage frame capable of rotating 360 degrees |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022204407.XU CN213649701U (en) | 2020-09-30 | 2020-09-30 | Baby carriage frame capable of rotating 360 degrees |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213649701U true CN213649701U (en) | 2021-07-09 |
Family
ID=76699657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022204407.XU Active CN213649701U (en) | 2020-09-30 | 2020-09-30 | Baby carriage frame capable of rotating 360 degrees |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213649701U (en) |
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2020
- 2020-09-30 CN CN202022204407.XU patent/CN213649701U/en active Active
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