CN101362467A - Children's barrow - Google Patents
Children's barrow Download PDFInfo
- Publication number
- CN101362467A CN101362467A CNA2007100258865A CN200710025886A CN101362467A CN 101362467 A CN101362467 A CN 101362467A CN A2007100258865 A CNA2007100258865 A CN A2007100258865A CN 200710025886 A CN200710025886 A CN 200710025886A CN 101362467 A CN101362467 A CN 101362467A
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- CN
- China
- Prior art keywords
- push rod
- internally toothed
- wheel support
- toothed annulus
- lockout mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000000034 method Methods 0.000 claims description 7
- 238000005452 bending Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The invention relates to a baby trolley, which comprises a trolley frame body, a front wheel and a rear wheel, wherein, the trolley frame body comprises a front wheel bracket, a rear wheel bracket, a push rod with a lower end part rotationally connected with the front wheel bracket or the rear wheel bracket, and a locking mechanism arranged between the front wheel bracket and the lower end part of the push rod or between the rear wheel bracket and the lower end part of the push rod, wherein, the locking mechanism comprises a first inner tooth ring arranged at the lower end part of the push rod, a second inner tooth ring arranged on the front wheel bracket or the rear wheel bracket, and a sliding tooth block, and when the locking mechanism is under a locking state, the push rod is fixedly arranged with the front wheel bracket or the rear wheel bracket; when the locking mechanism is under a unlocking state, the push rod is rotationally arranged with the front wheel bracket or the rear wheel bracket; an unlocking operating mechanism used for controlling the sliding tooth block to slide between the first inner tooth ring and the second inner tooth ring is also arranged on the push rod, and when the push rod is required to be steered, a user can operate the unlocking operating mechanism without bending down so that the locking mechanism can realize conversion between the locking state and the released state, thus realizing the direction change of the push rod easily.
Description
Technical field
The present invention relates to a kind of children trolley.
Background technology
Existing children trolley, comprise the vehicle frame body, be arranged at the front-wheel of the front lower place of described vehicle frame body, be arranged at the trailing wheel of the back lower place of described vehicle frame body, described vehicle frame body comprises the front-wheel support that is used to settle front-wheel, be used to settle the rear wheel support of trailing wheel, bottom and described front-wheel support or the rear wheel support bonded assembly push rod that rotates, be arranged at the lockout mechanism between described front-wheel support or rear wheel support and the described push rod bottom, described lockout mechanism comprises first internally toothed annulus that is opened on the described push rod bottom, be opened on the described front-wheel support or rear wheel support on second internally toothed annulus, the slide teeth piece, described lockout mechanism has two kinds of control positioies of the locking and unlocking, when described lockout mechanism is under the locking mode of operation, described slide teeth piece meshes described first internally toothed annulus and second internally toothed annulus simultaneously, and this moment, described push rod and described front-wheel support or rear wheel support were provided with permanently; When described lockout mechanism is under the release mode of operation, at least one engagement that is separated in described slide teeth piece and described first internally toothed annulus or second internally toothed annulus, this moment, described push rod and described front-wheel support or rear wheel support were provided with rotatedly, simultaneously, thereby also be provided with on the lockout mechanism drive the slide teeth piece in first internally toothed annulus and second internally toothed annulus, slides make lockout mechanism lock and two kinds of mode of operations of release between the unlocking operation mechanism that changes, because unlocking operation mechanism is arranged on the junction of push rod bottom and front-wheel support or rear wheel support, when needs commutate to push rod, open the purpose that unlocking operation mechanism reaches direction of push rod rotation commutation again thereby need the user to bend over, it is very inconvenient to operate.
Summary of the invention
The children trolley that provides a kind of push rod to commutate easily in order to overcome the deficiencies in the prior art is provided.
For achieving the above object, the technical solution used in the present invention is: a kind of children trolley, comprise the vehicle frame body, be arranged at the front-wheel of the front lower place of described vehicle frame body, be arranged at the trailing wheel of the back lower place of described vehicle frame body, described vehicle frame body comprises the front-wheel support that is used to settle front-wheel, be used to settle the rear wheel support of trailing wheel, bottom and described front-wheel support or the rear wheel support bonded assembly push rod that rotates, be arranged at the lockout mechanism between described front-wheel support or rear wheel support and the described push rod bottom, described lockout mechanism comprises first internally toothed annulus that is opened on the described push rod bottom, be opened on the described front-wheel support or rear wheel support on second internally toothed annulus, the slide teeth piece, described lockout mechanism has two kinds of control positioies of the locking and unlocking, when described lockout mechanism is under the locking mode of operation, described slide teeth piece meshes described first internally toothed annulus and second internally toothed annulus simultaneously, and this moment, described push rod and described front-wheel support or rear wheel support were provided with permanently; When described lockout mechanism is under the release mode of operation, at least one engagement that is separated in described slide teeth piece and described first internally toothed annulus or second internally toothed annulus, this moment, described push rod and described front-wheel support or rear wheel support were provided with rotatedly; Described push rod is provided with and is used to control the unlocking operation mechanism that described slide teeth piece slides between described first internally toothed annulus and second internally toothed annulus.
More specifically, described unlocking operation mechanism comprises the pushing and pressing pin in the described opening of being arranged on that is opened in the opening that is connected with described first internally toothed annulus on the described push rod, slip, when described lockout mechanism is in the unlocked position down, described pushing and pressing pin is inserted in described first internally toothed annulus, when described lockout mechanism is under the latched position, described pushing and pressing pin and described first internally toothed annulus are separated.
Described unlocking operation mechanism also comprises the flexure strip in first sliding shoe in the inner chamber that is slidingly arranged in described push rod, the inner chamber that an end is arranged on described push rod regularly, described pushing and pressing pin is arranged on the other end of described flexure strip regularly, the other end of described flexure strip has first guiding surface, when described lockout mechanism is converted to from latched position the process of unlocking position, first sliding shoe is against on described first guiding surface.
Described unlocking operation mechanism also comprises the trailing cable that is arranged in the described push rod, the handle that is slidingly arranged in the top of described push rod, described trailing cable one end is connected with described first sliding shoe, and the other end of described trailing cable is connected with described handle.
Described first sliding shoe has second guiding surface, and when described lockout mechanism is converted to from latched position the process of unlocking position, described second guiding surface and described first guiding surface be contact slidably mutually.
Be provided with fixed block described push rod internal fixation, and between described first sliding shoe and described fixed block, also be provided with second elastic component.
Also be provided with first elastic component that offsets with described slide teeth piece in described second internally toothed annulus.
When needs commutate to push rod, only need to be pulled upwardly handle along push rod, first sliding shoe in the push rod slides along with the trailing cable pulling, thereby make the pushing and pressing pin enter first internally toothed annulus slide teeth piece is pushed second internally toothed annulus by opening, when slide teeth piece and first internally toothed annulus break away from can rotating push-rod to the position that needs, owing to also be provided with first elastic component in second internally toothed annulus, between first sliding shoe and fixed block, be provided with second elastic component, discharge handle, thereby first elastic component recovers the slide teeth piece is partly pushed first internally toothed annulus, and will push against the pin shift onto in the push rod, lockout mechanism after commutation this moment is in the lock state again, and second elastic component also recovers handle is retracted original position.
Because technique scheme utilization, the present invention compared with prior art has following advantage: because unlocking operation mechanism is arranged on the push rod, when needs commutate to push rod, thereby the user need not stoop waist and just can operate unlocking operation mechanism and make lockout mechanism change between two kinds of mode of operations of the locking and unlocking, realizes the commutation of push rod easily.
Description of drawings
Accompanying drawing 1 is the block diagram of children trolley of the present invention;
Accompanying drawing 2 is the front view of children trolley of the present invention (push rod state one of living in);
Accompanying drawing 3 is the front view of children trolley of the present invention (push rod state two of living in);
Accompanying drawing 4 is push rod of the present invention and front-wheel support annexation scheme drawing;
Accompanying drawing 5 is A-A direction cutaway view (lockout mechanism is in the lock state) in the accompanying drawing 4;
Accompanying drawing 6 is A-A direction cutaway view (lockout mechanism is in released state) in the accompanying drawing 4;
Wherein: 1, seat pocket body; 2, seat pocket attaching parts; 3, front-wheel support; 4, rear wheel support; 7, push rod; 8, vehicle frame body; 9, first internally toothed annulus; 10, second internally toothed annulus; 11, front-wheel; 12, trailing wheel; 14, lockout mechanism; 15, flexure strip; 16, opening; 21, handle; 23, trailing cable; 24, first sliding shoe; 25, second elastic component; 26, pushing and pressing pin; 27, permanent seat; 28, first rivet; 29, first elastic component; 30, rod member connector; 31, slide teeth piece; 32, projection; 33, push rod connector; 36, the 3rd rivet; 41, first spigot surface; 42, second spigot surface; 44, fixed block.
The specific embodiment
Below in conjunction with accompanying drawing, describe particular content of the present invention in detail for example:
As accompanying drawing 1 to the children trolley shown in the accompanying drawing 3, comprise vehicle frame body 8, be arranged at the front-wheel 11 of the front lower place of described vehicle frame body 8, be arranged at the trailing wheel 12 of the back lower place of described vehicle frame body 8, be provided with described vehicle frame body 8 on the pocket body 1 that is connected with vehicle frame body 8 by seat pocket attaching parts 2, described vehicle frame body 8 comprises the front-wheel support 3 that is used to settle front-wheel 11, be used to settle the rear wheel support 4 of trailing wheel 12, bottom and described front-wheel support 3 or the rear wheel support 4 bonded assembly push rod 7 that rotates, be arranged at the lockout mechanism 14 between described front-wheel support 3 or rear wheel support 4 and described push rod 7 bottoms, in this specific embodiment, the bottom of push rod 7 rotates with front-wheel support 4 and is connected.
To shown in the accompanying drawing 6, described lockout mechanism comprises the push rod connector 33 that is fixedly connected on the push rod 7, is fixedly connected on the rod member connector 30 on the front-wheel support 3 as accompanying drawing 4, and push rod connector 33 is connected by the 3rd rivet 36 with rod member connector 30.Described push rod connector 33 has first internally toothed annulus 9, described rod member connector 30 has second internally toothed annulus 10, be mounted slidably slide teeth piece 31 in first internally toothed annulus 9 and second internally toothed annulus 10, described lockout mechanism 14 has two kinds of control positioies of the locking and unlocking, when described lockout mechanism 14 is under the locking mode of operation, described slide teeth piece 31 meshes described first internally toothed annulus 9 and second internally toothed annulus 10 simultaneously, and this moment, described push rod 7 was provided with permanently with described front-wheel support 3; When described lockout mechanism 14 is under the release mode of operation, at least one engagement that is separated in described slide teeth piece 31 and described first internally toothed annulus 9 or second internally toothed annulus 10, this moment, described push rod 7 and described front-wheel support 3 were provided with rotatedly.
Described push rod 7 is provided with and is used to control the unlocking operation mechanism that described slide teeth piece 31 slides between described first internally toothed annulus 9 and second internally toothed annulus 10, this unlocking operation mechanism comprises and is opened in the opening 16 that is connected with described first internally toothed annulus 9 on the described push rod 7, that slides is arranged on pushing and pressing pin 26 in the described opening 16, be slidingly arranged in first sliding shoe 24 in the inner chamber of described push rod 7, one end is arranged on the flexure strip 15 in the inner chamber of described push rod 7 regularly, described pushing and pressing pin 26 is arranged on the other end of described flexure strip 15 regularly, the other end of described flexure strip 15 has first guiding surface 41, when described lockout mechanism 14 is converted to the process of unlocking position from latched position, first sliding shoe 24 is against on described first guiding surface 41, wherein, one end, flexure strip 15 ground is fixedly installed on the permanent seat 27 of push rod connector 33 by first rivet 28.
When described lockout mechanism 14 is in the unlocked position down, described pushing and pressing pin 16 is inserted in described first internally toothed annulus 9, and when described lockout mechanism 14 is under the latched position, described pushing and pressing pin 16 is separated with described first internally toothed annulus 9.
Described unlocking operation mechanism also comprises the trailing cable 23 that is arranged in the described push rod 7, the handle 21 that is slidingly arranged in the top of described push rod 7, described trailing cable 23 1 ends are connected with described first sliding shoe 24, the other end of described trailing cable 23 is connected with described handle 21, wherein, described first sliding shoe 24 has second guiding surface 42, when described lockout mechanism 14 is converted to from latched position the process of unlocking position, described second guiding surface 42 and described first guiding surface 41 be contact slidably mutually.
And described push rod 7 internal fixation be provided with fixed block 44, and between described first sliding shoe 24 and described fixed block 44, also be provided with second elastic component 25, this second elastic component 25 is a stage clip.
For after commutation, make lockout mechanism 14 automatically to get back to the locking mode of operation simultaneously, in described second internally toothed annulus 10, be provided with first elastic component 29 that offsets with described slide teeth piece 31 by the release mode of operation.
Thereby and can successfully slide teeth piece 31 be pushed second internally toothed annulus 10 and realize releases in order to push against pin 26, between pushing and pressing pin 26 and slide teeth piece 31, also be provided with projection 32.
Claims (7)
1. children trolley, comprise vehicle frame body (8), be arranged at the front-wheel (11) of the front lower place of described vehicle frame body (8), be arranged at the trailing wheel (12) of the back lower place of described vehicle frame body (8), described vehicle frame body (8) comprises the front-wheel support (3) that is used to settle front-wheel (11), be used to settle the rear wheel support (4) of trailing wheel (12), bottom and described front-wheel support (3) or rear wheel support (4) the bonded assembly push rod (7) that rotates, be arranged at the lockout mechanism (14) between described front-wheel support (3) or rear wheel support (4) and described push rod (7) bottom, described lockout mechanism (14) comprises first internally toothed annulus (9) that is opened on described push rod (7) bottom, be opened on the described front-wheel support (3) or rear wheel support (4) on second internally toothed annulus (10), slide teeth piece (31), described lockout mechanism (14) has two kinds of control positioies of the locking and unlocking, when described lockout mechanism (14) is under the locking mode of operation, described slide teeth piece (31) meshes described first internally toothed annulus (9) and second internally toothed annulus (10) simultaneously, and described push rod this moment (7) is provided with permanently with described front-wheel support (3) or rear wheel support (4); When described lockout mechanism (14) is under the release mode of operation, at least one engagement that is separated in described slide teeth piece (31) and described first internally toothed annulus (9) or second internally toothed annulus (10), described push rod this moment (7) is provided with rotatedly with described front-wheel support (3) or rear wheel support (4); It is characterized in that: described push rod (7) is provided with and is used to control the unlocking operation mechanism that described slide teeth piece (31) slides between described first internally toothed annulus (9) and second internally toothed annulus (10).
2. children trolley according to claim 1, it is characterized in that: described unlocking operation mechanism comprise be opened in described push rod (7) go up the opening (16) that is connected with described first internally toothed annulus (9), slide be arranged on the interior pushing and pressing pin (26) of described opening (16), when described lockout mechanism (14) is in the unlocked position down, described pushing and pressing pin (16) is inserted in described first internally toothed annulus (9), when described lockout mechanism (14) is under the latched position, described pushing and pressing pin (16) is separated with described first internally toothed annulus (9).
3. children trolley according to claim 2, it is characterized in that: described unlocking operation mechanism also comprises first sliding shoe (24) in the inner chamber that is slidingly arranged in described push rod (7), one end is arranged on the flexure strip (15) in the inner chamber of described push rod (7) regularly, described pushing and pressing pin (26) is arranged on the other end of described flexure strip (15) regularly, the other end of described flexure strip (15) has first guiding surface (41), when described lockout mechanism (14) is converted to from latched position the process of unlocking position, first sliding shoe (24) is against on described first guiding surface (41).
4. children trolley according to claim 3, it is characterized in that: described unlocking operation mechanism also comprises the trailing cable (23) that is arranged in the described push rod (7), the handle (21) that is slidingly arranged in the top of described push rod (7), described trailing cable (23) one ends are connected with described first sliding shoe (24), and the other end of described trailing cable (23) is connected with described handle (21).
5. children trolley according to claim 4, it is characterized in that: described first sliding shoe (24) has second guiding surface (42), when described lockout mechanism (14) is converted to from latched position the process of unlocking position, described second guiding surface (42) and described first guiding surface (41) be contact slidably mutually.
6. children trolley according to claim 1 is characterized in that: be provided with fixed block (44) described push rod (7) internal fixation, and also be provided with second elastic component (25) between described first sliding shoe (24) and described fixed block (44).
7. children trolley according to claim 1 is characterized in that: also be provided with first elastic component (29) that offsets with described slide teeth piece (31) in described second internally toothed annulus (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100258865A CN101362467A (en) | 2007-08-08 | 2007-08-08 | Children's barrow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100258865A CN101362467A (en) | 2007-08-08 | 2007-08-08 | Children's barrow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101362467A true CN101362467A (en) | 2009-02-11 |
Family
ID=40389126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100258865A Pending CN101362467A (en) | 2007-08-08 | 2007-08-08 | Children's barrow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101362467A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113665661A (en) * | 2020-05-15 | 2021-11-19 | 明门瑞士股份有限公司 | Handlebar reversing locking mechanism and baby carriage frame |
-
2007
- 2007-08-08 CN CNA2007100258865A patent/CN101362467A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113665661A (en) * | 2020-05-15 | 2021-11-19 | 明门瑞士股份有限公司 | Handlebar reversing locking mechanism and baby carriage frame |
| CN113665661B (en) * | 2020-05-15 | 2024-03-08 | 明门瑞士股份有限公司 | Reversing locking mechanism for rider and baby carriage frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090211 |