CN201258004Y - Baby carriage braking structure - Google Patents
Baby carriage braking structure Download PDFInfo
- Publication number
- CN201258004Y CN201258004Y CNU2008200389128U CN200820038912U CN201258004Y CN 201258004 Y CN201258004 Y CN 201258004Y CN U2008200389128 U CNU2008200389128 U CN U2008200389128U CN 200820038912 U CN200820038912 U CN 200820038912U CN 201258004 Y CN201258004 Y CN 201258004Y
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- CN
- China
- Prior art keywords
- ratchet
- braking
- joint
- braking column
- operating parts
- 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.)
- Expired - Fee Related
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- 238000005266 casting Methods 0.000 claims description 19
- 230000000994 depressogenic effect Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 description 5
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Braking Elements And Transmission Devices (AREA)
Abstract
The utility model discloses a braking structure of a baby carriage, which includes a braking hole and a braking column. An operation piece and a pressing piece are rotationally arranged on a wheel joint; a plurality of convex parts are arranged into a ring at intervals and used for pushing the braking column into the braking hole; concave parts are formed between two adjacent convex parts and used for accommodating and separating the braking column from the braking hole; a racket wheel is installed on the pressing piece; and a pawl is mounted on the operation piece, inserted between teeth of the racket wheel and used for pushing the racket wheel to rotate towards one direction. The operation piece rotates downwards, the pawl pushes the racket wheel to rotate, the rotation of the racket wheel drives the rotation of the pressing piece, and the convex parts can be propped against the braking column and insert the braking column into the braking hole or the braking column can enter the concave parts to be separated from the braking hole when the pressing piece rotates to the positions where the convex parts or the concave parts face the braking column, so that the operations of braking and braking release can be realized conveniently and simply through rotating the operation piece downwards.
Description
Technical field
The utility model relates to a kind of brake structure of perambulator.
Background technology
The brake structure of the perambulator of prior art, comprise the brake disc that is installed on the pushchair, be opened in the spoke hole on the brake disc, be opened in the chute on the vehicle wheel joint, be located at the braking column that is used to insert spoke hole in the chute slidably, be provided with operating parts rotationally on the wheel joint, one side of operating parts have protuberance with the recess of the mutually smooth adjacency of protuberance, pin is stepped on rotating operation spare downwards, when protuberance props up braking column and then promote braking column insertion spoke hole, realize brake, pin upwards colludes rotating operation spare, when protuberance and braking column are separated, under the effect of the elastic-restoring force between braking column and the wheel joint, braking column enters recess, braking column and spoke hole are separated, realize un-brake, the brake of existing brake structure and un-brake operation are that the reciprocal operation of green phase is finished, after pin is stepped on operating parts realization brake downwards, the position of operating parts is very low, upwards colludes operating parts again and realizes that un-brake causes inconvenient operation easily.
Summary of the invention
The purpose of this utility model is to provide a kind of brake structure of perambulator, and the operation of brake and un-brake is that the equidirectional operation of green phase is finished in this structure.
In order to reach above purpose, the technical solution adopted in the utility model is: a kind of brake structure of perambulator, comprise the brake disc that is installed on the pushchair, be opened in the spoke hole on the described brake disc, be opened in the chute on the vehicle wheel joint, be located at the braking column that is used to insert described spoke hole in the described chute slidably, the described wheel is provided with operating parts rotationally on the joint, the described wheel also is provided with casting die rotationally on the joint, have a plurality of circlewise spaced and be used to promote braking column and insert lug boss in the spoke hole on the described casting die, be formed for accommodating the depressed part that braking column is separated itself and spoke hole between the two adjacent lug bosses, described braking column and described take turns to be provided with between the joint be used to provide described braking column first elastic component that an elastic-restoring force is separated itself and spoke hole, on the described casting die ratchet is housed, be equipped with on the described operating parts to be inserted in and be used to promote the ratchet that ratchet rotates towards a direction between hook tooth, described operating parts and described take turns to be provided with between the joint be used to provide elastic-restoring force of described operating parts second elastic component that slides to take place along the back of tooth of ratchet to drive ratchet.
Described take turns to be equipped with on the joint to be inserted in be used to the retaining pawl that stops ratchet to rotate in the opposite direction between hook tooth.
Described ratchet has two, is contained in the both sides of described casting die respectively, and described ratchet is inserted in the between cog of one of them ratchet, and described retaining pawl is inserted in the between cog of another ratchet.
The described joint of taking turns is provided with the block piece that is used to stop described operating parts generation inordinate rotation.
Because the utility model has adopted above technical scheme, its advantage is: operating operation spare, overcome the elastic acting force of second elastic component, operating parts rotates, and ratchet promotes ratchet and rotates, the rotation of the rotating band dynamic pressure part of ratchet, when casting die turns to lug boss facing to the position of braking column, overcome the elastic acting force of first elastic component, lug boss pushes against braking column, braking column is pushed in the spoke hole, and this moment, braking column was in braking state; The unclamp operation part, under the elastic-restoring force effect of second elastic component, operating parts is returned to original position again, when separating in a flash, operating operation spare once more, ratchet promote ratchet and are rotated further, the rotation of the rotating band dynamic pressure part of ratchet, when casting die turned to depressed part facing to the position of braking column, under the elastic-restoring force of first elastic component, braking column returned in the depressed part, make braking column and spoke hole be separated, this moment, braking column was in the un-brake state, and the unclamp operation part is under the elastic-restoring force effect of second elastic component, operating parts is returned to original position again, to sum up, brake and un-brake operation all can realize by rotating operation spare down, easy to operate simply.
Description of drawings
Accompanying drawing 1 is an exploded perspective illustration one of the present utility model;
Accompanying drawing 2 is an exploded perspective illustration two of the present utility model;
Accompanying drawing 3 is a front view of the present utility model, and wherein braking column and spoke hole are separated;
Accompanying drawing 4 is the cutaway view of accompanying drawing 3 along the A-A direction;
Accompanying drawing 5 is the cutaway view of accompanying drawing 3 along the B-B direction;
Accompanying drawing 6 is a front view of the present utility model, and wherein braking column inserts in the spoke hole;
Accompanying drawing 7 is the cutaway view of accompanying drawing 6 along the C-C direction;
Accompanying drawing 8 is the cutaway view of accompanying drawing 6 along the D-D direction;
Accompanying drawing 9 is for having the transparent view of through transport brake structure of the present utility model;
Wherein: 1, wheel joint; 2, chute; 3, braking column; 4, casting die; 5, lug boss; 6, depressed part; 7, operating parts; 8, ratchet; 9, ratchet; 11, first elastic component; 12, block piece; 13, second elastic component; 14, turning cylinder; 15, stretcher.
The specific embodiment
Further set forth concrete structure of the present utility model below in conjunction with accompanying drawing.
Shown in accompanying drawing 1-8, a kind of brake structure of perambulator, comprise the brake disc that is installed on the pushchair, with the wheel shaft is that the center is opened in the circle of one on described brake disc spoke hole, be opened in chute 2 on the vehicle wheel joint 1 along the length direction of wheel shaft, length direction along wheel shaft is located at the braking column 3 that is used to insert described spoke hole in the described chute 2 slidably, because braking column 3 belongs to common structure with the fit structure of spoke hole, so accompanying drawing of no use shows, described braking column 3 and described take turns to be provided with between the joint 1 first elastic component 11 that provides 3 one elastic-restoring forces of described braking column that itself and spoke hole are separated is provided, braking column 3 has braking state and un-brake state, when braking column 3 is in braking state, braking column 3 inserts in the spoke hole, by rotation that stops brake disc and then the rotation that stops wheel, when braking column 3 is in the un-brake state, braking column 3 is separated with spoke hole, the described wheel on the joint 1 is provided with operating parts 7 rotationally by turning cylinder 14, the described wheel on the joint 1 also is provided with casting die 4 rotationally by turning cylinder 14, in each accompanying drawing, turning cylinder 14 is for passing wheel joint 1 successively, casting die 4, the pin rod of operating parts 7, wherein pin rod is fixed on the wheel joint 1, have a plurality of circlewise spaced and be used to promote the lug boss 5 that braking column 3 inserts in the spoke holes on the described casting die 4, be formed for accommodating the depressed part 6 that braking column 3 is separated itself and spoke hole between the two adjacent lug bosses 5, between lug boss 5 and the depressed part 6 is smooth transition, on the described casting die 4 ratchet 8 is housed, ratchet 8 also is set on the turning cylinder 14, be equipped with on the described operating parts 7 and be inserted in ratchet 8 between cog and be used to promote the ratchet 9 that ratchet 8 rotates towards a direction, described operating parts 7 and described take turns to be provided with between the joint 1 be used to provide 7 one elastic-restoring forces of described operating parts second elastic component 13 that slides to take place along the back of tooth of ratchet 8 to drive ratchet 9, second elastic component 13 is selected torsion spring for use, torsion spring set is on turning cylinder 14, one end is connected on the operating parts 7, and the other end is inserted in the fixed orifice 15 of taking turns on the joint 1.
In each accompanying drawing, described ratchet 8 has two, be contained in the both sides of described casting die 4 respectively, relative with operating parts 7, wheel joint 1 respectively, ratchet 9 is inserted in the between cog of one of them ratchet 8, described take turns to be equipped with on the joint 1 be inserted in ratchet 8 between cog and be used to the retaining pawl that stops ratchet 8 to rotate in the opposite direction, retaining pawl is inserted in the between cog of another ratchet 8, a plurality of lug bosses 5 are distributed in casting die 4 and the relative side of wheel joint 1, and are distributed on the ratchet 8 exterior circumference, as shown in Figure 2.
Extend a stretcher 15 that supplies pin to step on the operating parts 7, during operation, referring to accompanying drawing 3-8, down step on stretcher 15, overcome the elastic acting force of second elastic component 13, operating parts 7 rotates, ratchet 9 promotes ratchet 8 and rotates around turning cylinder 14, the rotation of the rotating band dynamic pressure part 4 of ratchet 8, when casting die 4 turns to lug boss 5 facing to the position of braking column 3, overcome the elastic acting force of first elastic component 11, lug boss 5 pushes against braking column 3, braking column 3 is pushed in the spoke hole, and this moment, braking column 3 was in braking state; Because being provided with, wheel joint 1 is used to stop described operating parts 7 that the block piece 12 of inordinate rotation takes place, rely on stopping of block piece 12, add and rely on retaining pawl to prevent ratchet 8 revolutions, operating parts 7 can stably make braking column 3 be in braking state, unclamp stretcher 15, under the elastic-restoring force effect of second elastic component 13, operating parts 7 is returned to original position again, when separating in a flash, step on stretcher 15 once more, ratchet 9 promotes ratchet 8 and is rotated further around turning cylinder 14, the rotation of the rotating band dynamic pressure part 4 of ratchet 8, when casting die 4 turns to depressed part 6 facing to the position of braking column 3, under the elastic-restoring force of first elastic component 11, braking column is gone into for 3 times in the depressed part 6, make braking column 3 and spoke hole be separated, this moment, braking column 3 was in the un-brake state, and is same, relies on stopping of block piece 12, add and rely on retaining pawl to prevent ratchet 8 revolutions, operating parts 7 can stably make braking column 3 be in the un-brake state, unclamps stretcher 15, under the elastic-restoring force effect of second elastic component 13, operating parts 7 is returned to original position again, to sum up, brake and un-brake operation all can realize by down stepping on stretcher 15, and be easy to operate simple.
When being applied in above-mentioned brake structure on the perambulator, a brake structure respectively is installed on the trailing wheel of the left and right sides, realize interlock by brake connecting rod between two brake structures, finish the brake and the un-brake of both sides wheel by the stretcher 15 of operating a side, as shown in Figure 9.
Claims (4)
1, a kind of brake structure of perambulator, comprise the brake disc that is installed on the pushchair, be opened in the spoke hole on the described brake disc, be opened in the chute (2) on the vehicle wheel joint (1), be located at the braking column (3) that is used to insert described spoke hole in the described chute (2) slidably, the described wheel is provided with operating parts (7) rotationally on the joint (1), it is characterized in that: the described wheel also is provided with casting die (4) rotationally on the joint (1), have a plurality of circlewise spaced and be used to promote braking column (3) and insert lug boss (5) in the spoke hole on the described casting die (4), be formed for accommodating the depressed part (6) that braking column (3) is separated itself and spoke hole between adjacent two lug bosses (5), described braking column (3) and described take turns to be provided with between the joint (1) be used to provide described braking column first elastic component (11) that (3) elastic-restoring forces are separated itself and spoke hole, ratchet (8) is housed on the described casting die (4), be equipped with on the described operating parts (7) and be inserted in ratchet (8) between cog and be used to promote the ratchet (9) that ratchet (8) rotates towards a direction, described operating parts (7) and described take turns to be provided with between the joint (1) be used to provide (7) elastic-restoring forces of described operating parts second elastic component (13) that slides to take place along the back of tooth of ratchet (8) to drive ratchet (9).
2, the brake structure of perambulator according to claim 1 is characterized in that: described take turns to be equipped with on the joint (1) be inserted in ratchet (8) between cog and be used to the retaining pawl that stops ratchet (8) to rotate in the opposite direction.
3, the brake structure of perambulator according to claim 2, it is characterized in that: described ratchet (8) has two, be contained in the both sides of described casting die (4) respectively, described ratchet (9) is inserted in the between cog of one of them ratchet (8), and described retaining pawl is inserted in the between cog of another ratchet (8).
4, the brake structure of perambulator according to claim 1 is characterized in that: the described joint (1) of taking turns is provided with the block piece (12) that is used to stop described operating parts (7) generation inordinate rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200389128U CN201258004Y (en) | 2008-07-31 | 2008-07-31 | Baby carriage braking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200389128U CN201258004Y (en) | 2008-07-31 | 2008-07-31 | Baby carriage braking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201258004Y true CN201258004Y (en) | 2009-06-17 |
Family
ID=40772236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200389128U Expired - Fee Related CN201258004Y (en) | 2008-07-31 | 2008-07-31 | Baby carriage braking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201258004Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2482589A (en) * | 2010-08-03 | 2012-02-08 | Wonderland Nursery Goods | Stroller and brake mechanism thereof |
| CN101934811B (en) * | 2009-06-30 | 2012-07-18 | 宝钜儿童用品香港股份有限公司 | Braking mechanism for a baby carriage |
| US8418816B2 (en) | 2009-06-30 | 2013-04-16 | Bp Children's Products Hk Co., Limited | Brake mechanism for stroller |
-
2008
- 2008-07-31 CN CNU2008200389128U patent/CN201258004Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101934811B (en) * | 2009-06-30 | 2012-07-18 | 宝钜儿童用品香港股份有限公司 | Braking mechanism for a baby carriage |
| US8418816B2 (en) | 2009-06-30 | 2013-04-16 | Bp Children's Products Hk Co., Limited | Brake mechanism for stroller |
| GB2471566B (en) * | 2009-06-30 | 2014-04-16 | Bp Childrens Prod Hk Co Ltd | Brake mechanism for stroller |
| GB2482589A (en) * | 2010-08-03 | 2012-02-08 | Wonderland Nursery Goods | Stroller and brake mechanism thereof |
| US8490757B2 (en) | 2010-08-03 | 2013-07-23 | Wonderland Nurserygoods Company Limited | Stroller and brake mechanism thereof |
| GB2482589B (en) * | 2010-08-03 | 2015-09-02 | Wonderland Nursery Goods | Stroller and brake mechanism thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090617 Termination date: 20170731 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |