CN202518308U - Rotation joint and baby carriage with same - Google Patents
Rotation joint and baby carriage with same Download PDFInfo
- Publication number
- CN202518308U CN202518308U CN 201220049648 CN201220049648U CN202518308U CN 202518308 U CN202518308 U CN 202518308U CN 201220049648 CN201220049648 CN 201220049648 CN 201220049648 U CN201220049648 U CN 201220049648U CN 202518308 U CN202518308 U CN 202518308U
- Authority
- CN
- China
- Prior art keywords
- rod member
- rotating shaft
- deep
- locked groove
- chip breaker
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/062—Coupling unit between front wheels, rear wheels and handle
Abstract
The utility model discloses a rotation joint and a baby carriage with the same. The rotation joint comprises a first rod piece, a second rod piece connected with the first rod piece through a first rotating shaft, a third rod piece of which the upper end is connected with the first rod piece through the first rotating shaft, and a siding rod sliding along the third rod piece, wherein an elongated slot is formed on the sliding rod; the first rotating shaft is inserted into the elongated slot; a first cambered slot is formed on the second rod piece; a second cambered slot is formed on the first rod piece; the distance between the first cambered slot and the first rotating shaft is gradually increased from top to bottom, and the distance between the second cambered slot and the first rotating shaft is gradually reduced from top to bottom; a first positioning bulge and a second positioning bulge are formed on the sliding rod; when the second rod piece is downwards pressed to get close to the third rod piece, the sliding rod downwards slides under the action of the first cambered slot and the first positioning bulge; and under the action of the second cambered slot and the second positioning bulge, the first rod piece also gets close to the third rod piece. The rotation joint can be integrally folded, is relatively convenient to operate and has a relatively simple structure.
Description
Technical field
The children trolley that
the utility model relates to a kind of rotary joint and has this rotary joint.
Background technology
rotary joint of the prior art; Comprise first rod member, with first rod member through first rotating shaft bonded assembly second rod member, lockout mechanism that first rod member and second rod member are locked rotatedly; Lockout mechanism comprises first teeth groove that is opened on first rod member, be opened in second teeth groove on second rod member, be provided with slidably and first teeth groove and second teeth groove between the tooth piece; Lockout mechanism has latched position and unlocked position; Lockout mechanism is positioned under the latched position, and the tooth piece is inserted between first teeth groove and second teeth groove.
The utility model content
The technical matters that
the utility model will solve provides a kind of rotary joint.
are in order to solve the problems of the technologies described above; The technical scheme that the utility model adopts is: a kind of rotary joint; The upper end that comprises first rod member, bottom and described first rod member through first rotating shaft rotatedly the upper end of bonded assembly second rod member, upper end and described first rod member through described first rotating shaft bonded assembly the 3rd rod member rotatedly; Also comprise length direction and its slide bar that is provided with slidably mutually along described the 3rd rod member; Offer length direction and the corresponding to elongated slot of its direction of slip on the described slide bar; Described first rotating shaft is inserted in the described elongated slot, and the bottom of described second rod member offers first deep-slotted chip breaker, and the top of described first rod member offers second deep-slotted chip breaker; Described first deep-slotted chip breaker and described second deep-slotted chip breaker lay respectively at the both sides of described first rotating shaft; Gradually little apart from gradual change from top to bottom and between described first rotating shaft of described first deep-slotted chip breaker from top to bottom and described first rotating shaft between gradually big apart from gradual change, described second deep-slotted chip breaker has first positioning convex and second positioning convex on the described slide bar; Described first positioning convex is inserted in described first deep-slotted chip breaker, and described second positioning convex is inserted in described second deep-slotted chip breaker.
preferably; Described lockout mechanism comprises the tapered end that is arranged at slidably on described second rod member, is opened in first locked groove on described first rod member at least; Described lockout mechanism has latched position and unlocked position, and when described lockout mechanism is positioned under the latched position, described tapered end is inserted in described first locked groove; When described lockout mechanism is positioned under the unlocked position, described tapered end and described first locked groove are separated.
preferably; Described rotary joint also comprises the pad between the bottom of the upper end that is arranged at described first rod member and described second rod member; Described slide bar is provided with described pad mutually slidably; Offer second locked groove that is connected with described first locked groove on the described pad; The bottom of described second rod member offers the 3rd locked groove that is connected with described second locked groove, and when described lockout mechanism is positioned under the latched position, described tapered end is inserted in described first locked groove, described second locked groove, described the 3rd locked groove simultaneously.
preferably; Described lockout mechanism also comprises the operating mechanism that makes described lockout mechanism be converted to unlocked position by latched position; Described operating mechanism comprises the operating parts that is provided with slidably mutually with described second rod member, the trailing cable that an end is connected with described operating parts, and the other end of described trailing cable is connected with described tapered end.
preferably, described lockout mechanism also comprises makes described lockout mechanism stably be positioned at the elastic component under the latched position.
preferably; Described go-cart vehicle frame also comprises enclosing cover and the inner cap that is provided with permanently with described the 3rd rod member, and the bottom of the upper end of described first rod member, described second rod member is respectively between described enclosing cover and described inner cap.
preferably; The second rod member attaching parts that described second rod member comprises the second rod member body, is permanently connected with the bottom of the described second rod member body; Described first deep-slotted chip breaker is opened on the described second rod member attaching parts; The first rod member attaching parts that described first rod member comprises the first rod member body, is permanently connected with the upper end of the described first rod member body; Described second deep-slotted chip breaker is opened on the described first rod member attaching parts, and the described second rod member attaching parts is connected through described first rotating shaft with the described first rod member attaching parts rotatedly.
preferably, described first rotating shaft and horizontal surface parallel.
The technical matters that
the utility model will solve provides a kind of children trolley.
are in order to solve the problems of the technologies described above; The technical scheme that the utility model adopts is: a kind of children trolley that comprises above any described rotary joint of technical scheme; Comprise go-cart vehicle frame, the front component that is arranged at described go-cart vehicle frame front lower place, the wheel assembly that is arranged at the described go-cart vehicle frame back lower place with expanded position and folding position, described go-cart vehicle frame is locked in the lockout mechanism under the expanded position, described go-cart vehicle frame comprises described first rod member, described second rod member, described the 3rd rod member.
preferably, when described go-cart vehicle frame is positioned under the folding position, described front component and described wheel assembly form ground jointly and support.
The scope of
the utility model is not limited to the technical scheme that the particular combination of above-mentioned technical characterictic forms, and also should contain simultaneously by above-mentioned technical characterictic or its equivalent feature to carry out combination in any and other technical scheme of forming.The technical characterictic that disclosed (but being not limited to) has a similar functions among for example above-mentioned characteristic and the application is replaced mutually and technical scheme of forming etc.
Because technique scheme is used, the utility model compared with prior art has advantage: after the lockout mechanism release, press down second rod member when the 3rd rod member is drawn close
; Under the effect of first deep-slotted chip breaker and first positioning convex, slide bar is to downslide, under the effect of second deep-slotted chip breaker and second positioning convex; Make win rod member one in the same way the 3rd rod member draw close; Foldable integral is operated more conveniently, and structure is simpler.
Description of drawings
Accompanying drawing 1 is the exploded drawings one of the utility model;
Accompanying drawing 2 is the exploded drawings two of the utility model;
Accompanying drawing 3 is the front view of the utility model (the go-cart vehicle frame is positioned under the expanded position);
Accompanying drawing 4 is the block diagram of the utility model;
Accompanying drawing 5 is the A place amplification view of accompanying drawing 3;
accompanying drawing 6 is the front view of the utility model (the go-cart vehicle frame is positioned under the folding position).
wherein: 1, go-cart vehicle frame; 2, front component; 3, wheel assembly; 4, first rod member; 5, first rotating shaft; 6, second rod member; 7, the 3rd rod member; 8, slide bar; 9, elongated slot; 10, first deep-slotted chip breaker; 11, second deep-slotted chip breaker; 12, first positioning convex; 13, second positioning convex; 14, tapered end; 15, first locked groove; 16, pad; 17, second locked groove; 18, the 3rd locked groove; 19, operating parts; 20, trailing cable; 21, enclosing cover; 22, inner cap; 23, the second rod member body; 24, the second rod member attaching parts; 25, the first rod member body; 26, the first rod member attaching parts.
The specific embodiment
are shown in accompanying drawing 1-accompanying drawing 4, accompanying drawing 6; A kind of rotary joint; The upper end that comprises first rod member 4, bottom and described first rod member 4 through first rotating shaft 5 rotatedly bonded assembly second rod member 6, upper end and described first bar 4 the upper end through described first rotating shaft 5 rotatedly bonded assembly the 3rd rod member 7 it is characterized in that: also comprise length direction and its slide bar 8 that is provided with slidably mutually along described the 3rd rod member 7; Offer the corresponding to elongated slot 9 of length direction and its direction of slip on the described slide bar 8; Described first rotating shaft 5 is inserted in the described elongated slot 9; The bottom of described second rod member 6 offers first deep-slotted chip breaker 10; The top of described first rod member 4 offers second deep-slotted chip breaker 11, and described first deep-slotted chip breaker 10 and described second deep-slotted chip breaker 11 lay respectively at the both sides of described first rotating shaft 5, described first deep-slotted chip breaker 10 from top to bottom and described first rotating shaft 5 between gradually big apart from gradual change; Described second deep-slotted chip breaker 11 from top to bottom and described first rotating shaft 5 between gradually little apart from gradual change; Have first positioning convex 12 and second positioning convex 13 on the described slide bar 8, described first positioning convex 12 is inserted in described first deep-slotted chip breaker 10, and described second positioning convex 13 is inserted in described second deep-slotted chip breaker 11.
are shown in accompanying drawing 1, accompanying drawing 2; Described go-cart vehicle frame 1 also comprises the pad 16 between the bottom of the upper end that is arranged at described first rod member 4 and described second rod member 6, and described slide bar 8 and described pad 16 are provided with mutually slidably.
are shown in each accompanying drawing; The second rod member attaching parts 24 that described second rod member 6 comprises the second rod member body 23, is permanently connected with the bottom of the described second rod member body 23; Described first deep-slotted chip breaker 10 is opened on the described second rod member attaching parts 24; The first rod member attaching parts 26 that described first rod member 4 comprises the first rod member body 25, is permanently connected with the upper end of the described first rod member body 25; Described second deep-slotted chip breaker 11 is opened on the described first rod member attaching parts 26, and the described second rod member attaching parts 24 is connected through described first rotating shaft 5 with the described first rod member attaching parts 26 rotatedly.
described lockout mechanism is not the invention main points of the utility model; So long as can the lockout mechanism that two parts that rotate lock mutually can both be used at this; In the present embodiment; Described lockout mechanism comprises the tapered end 14 that is arranged at slidably on described second rod member 6, be opened in first locked groove 15 on the described first rod member attaching parts 26, be opened in second locked groove 17 that is connected with described first locked groove 15 on the described pad 16, be opened in the 3rd locked groove 18 that is connected with described second locked groove 17 on the second rod member attaching parts 24; I.e. first locked groove 15, second locked groove 17, the 3rd locked groove 18 common locked grooves that form; When being inserted in the locked groove with this structure tapered end 14, intensity ratio is higher.Described lockout mechanism has latched position and unlocked position; When described lockout mechanism is positioned under the latched position; Described tapered end 14 is inserted in described first locked groove 15, described second locked groove 17, described the 3rd locked groove 18 simultaneously; When described lockout mechanism is positioned under the unlocked position, described tapered end 14 and described first locked groove 15, described second locked groove 17, described the 3rd locked groove 18 are separated simultaneously.In addition, locked groove can also only be opened on the first rod member attaching parts 26.
are shown in accompanying drawing 1, accompanying drawing 2; Described lockout mechanism also comprises the operating mechanism that makes described lockout mechanism be converted to unlocked position by latched position; Described operating mechanism comprises the operating parts 19 that is provided with slidably mutually with described second rod member 6, the trailing cable 20 that an end is connected with described operating parts 19, and the other end of described trailing cable 20 is connected with described tapered end 14.
do not have diagram, and described lockout mechanism also comprises makes described lockout mechanism stably be positioned at the elastic component under the latched position.During release, the elastic force that the overcomes elastic component described operating parts 19 that slides is under the drive of trailing cable 20; Tapered end 14 breaks away from first locked groove 15, second locked groove 17, the 3rd locked groove 18 common locked grooves that form; The lockout mechanism release, during locking, unclamp operation part 19; Under the effect of the elastic force of elastic component, tapered end 14 inserts in the above-mentioned locked groove.
are shown in each accompanying drawing; Described go-cart vehicle frame 1 also comprises the enclosing cover 21 and inner cap 22 that is provided with permanently with described the 3rd rod member 7, and the bottom of the upper end of described first rod member 4, described second rod member 6 is respectively between described enclosing cover 21 and described inner cap 22.Inner cap 22 and enclosing cover 21 not only play decoration function and also play the protection inner structure and be difficult for impaired effect.
Shown in each accompanying drawing, described first rotating shaft 5 parallels with horizontal surface
.
a kind of children trolley; Comprise go-cart vehicle frame 1, the front component 2 that is arranged at described go-cart vehicle frame 1 front lower place, the wheel assembly 3 that is arranged at described go-cart vehicle frame 1 back lower place with expanded position and folding position, described go-cart vehicle frame 1 is locked in the lockout mechanism under the expanded position, described go-cart vehicle frame 1 comprises described first rod member 4, described second rod member 6, described the 3rd rod member 7.
Shown in accompanying drawing 6, when described go-cart vehicle frame 1 is positioned under the folding position, described front component 2 forms ground jointly with described wheel assembly 3 and supports
.After folding, go-cart vehicle frame 1 can be supported oneself.
the foregoing description is only for explaining the technical conceive and the characteristics of the utility model; Its purpose is to let the personage who is familiar with this technology can understand content of the utility model and enforcement according to this, can not limit the protection domain of the utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection domain of the utility model.
Claims (10)
1. rotary joint; The upper end that comprises first rod member (4), bottom and described first rod member (4) through first rotating shaft (5) rotatedly bonded assembly second rod member (6), upper end and described first rod member (4) the upper end through described first rotating shaft (5) rotatedly bonded assembly the 3rd rod member (7) it is characterized in that: also comprise length direction and its slide bar (8) that is provided with slidably mutually along described the 3rd rod member (7); Offer length direction and the corresponding to elongated slot of its direction of slip (9) on the described slide bar (8); Described first rotating shaft (5) is inserted in the described elongated slot (9); The bottom of described second rod member (6) offers first deep-slotted chip breaker (10); The top of described first rod member (4) offers second deep-slotted chip breaker (11); Described first deep-slotted chip breaker (10) and described second deep-slotted chip breaker (11) lay respectively at the both sides of described first rotating shaft (5); Described first deep-slotted chip breaker (10) from top to bottom and described first rotating shaft (5) between gradually big apart from gradual change; Described second deep-slotted chip breaker (11) from top to bottom and described first rotating shaft (5) between gradually little apart from gradual change; Have first positioning convex (12) and second positioning convex (13) on the described slide bar (8), described first positioning convex (12) is inserted in described first deep-slotted chip breaker (10), and described second positioning convex (13) is inserted in described second deep-slotted chip breaker (11).
2. rotary joint according to claim 1; It is characterized in that: described lockout mechanism comprises the tapered end (14) that is arranged at slidably on described second rod member (6), is opened in first locked groove (15) on described first rod member (4) at least; Described lockout mechanism has latched position and unlocked position; When described lockout mechanism is positioned under the latched position; Described tapered end (14) is inserted in described first locked groove (15), and when described lockout mechanism is positioned under the unlocked position, described tapered end (14) is separated with described first locked groove (15).
3. rotary joint according to claim 2; It is characterized in that: described rotary joint also comprises the pad (16) between the bottom of the upper end that is arranged at described first rod member (4) and described second rod member (6); Described slide bar (8) is provided with described pad (16) mutually slidably; Offer second locked groove (17) that is connected with described first locked groove (15) on the described pad (16); The bottom of described second rod member (6) offers the 3rd locked groove (18) that is connected with described second locked groove (17); When described lockout mechanism is positioned under the latched position, described tapered end (14) is inserted in described first locked groove (15), described second locked groove (17), described the 3rd locked groove (18) simultaneously.
4. rotary joint according to claim 3; It is characterized in that: described lockout mechanism also comprises the operating mechanism that makes described lockout mechanism be converted to unlocked position by latched position; Described operating mechanism comprises the operating parts (19) that is provided with slidably mutually with described second rod member (6), the trailing cable (20) that an end is connected with described operating parts (19), and the other end of described trailing cable (20) is connected with described tapered end (14).
5. rotary joint according to claim 3 is characterized in that: described lockout mechanism also comprises makes described lockout mechanism stably be positioned at the elastic component under the latched position.
6. rotary joint according to claim 1; It is characterized in that: described go-cart vehicle frame (1) also comprises the enclosing cover (21) and inner cap (22) that is provided with permanently with described the 3rd rod member (7), and the bottom of the upper end of described first rod member (4), described second rod member (6) is positioned at respectively between described enclosing cover (21) and the described inner cap (22).
7. rotary joint according to claim 1; It is characterized in that: the second rod member attaching parts (24) that described second rod member (6) comprises the second rod member body (23), is permanently connected with the bottom of the described second rod member body (23); Described first deep-slotted chip breaker (10) is opened on the described second rod member attaching parts (24); The first rod member attaching parts (26) that described first rod member (4) comprises the first rod member body (25), is permanently connected with the upper end of the described first rod member body (25); Described second deep-slotted chip breaker (11) is opened on the described first rod member attaching parts (26), and the described second rod member attaching parts (24) is connected through described first rotating shaft (5) with the described first rod member attaching parts (26) rotatedly.
8. rotary joint according to claim 1 is characterized in that: described first rotating shaft (5) parallels with horizontal surface.
9. children trolley that comprises above any described rotary joint of claim; Comprise go-cart vehicle frame (1), the front component (2) that is arranged at described go-cart vehicle frame (1) front lower place, the wheel assembly (3) that is arranged at described go-cart vehicle frame (1) back lower place with expanded position and folding position, described go-cart vehicle frame (1) is locked in the lockout mechanism under the expanded position, it is characterized in that: described go-cart vehicle frame (1) comprises described first rod member (4), described second rod member (6), described the 3rd rod member (7).
10. children trolley according to claim 9 is characterized in that: when described go-cart vehicle frame (1) is positioned under the folding position, described front component (2) forms ground jointly with described wheel assembly (3) and supports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220049648 CN202518308U (en) | 2011-09-30 | 2012-02-16 | Rotation joint and baby carriage with same |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120370734.0 | 2011-09-30 | ||
| CN201120370734 | 2011-09-30 | ||
| CN 201220049648 CN202518308U (en) | 2011-09-30 | 2012-02-16 | Rotation joint and baby carriage with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202518308U true CN202518308U (en) | 2012-11-07 |
Family
ID=47101270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220049648 Expired - Fee Related CN202518308U (en) | 2011-09-30 | 2012-02-16 | Rotation joint and baby carriage with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202518308U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014114270A1 (en) * | 2013-01-28 | 2014-07-31 | 珠海优力创工贸有限公司 | Folding joint for baby carriage |
| CN103963817A (en) * | 2013-01-28 | 2014-08-06 | 珠海优力创工贸有限公司 | Folding joint for baby carriage |
| EP2781430A1 (en) * | 2013-03-21 | 2014-09-24 | BÉBÉCAR - Utilidades para Criança, S.A. | Child's folding pushchair |
| CN104691600A (en) * | 2014-03-13 | 2015-06-10 | 中山市隆成日用制品有限公司 | Pushchair seat, and corresponding pushchair |
| EP2862781A3 (en) * | 2013-08-06 | 2015-08-05 | Mamas & Papas (Holdings) Limited | Child support apparatus |
| CN107472343A (en) * | 2017-07-08 | 2017-12-15 | 广东乐美达集团有限公司 | The cooperating joint device and perambulator of a kind of perambulator |
| CN110329336A (en) * | 2019-07-25 | 2019-10-15 | 中山市少侠王塑料制品有限公司 | A kind of perambulator skeleton convenient for folding |
-
2012
- 2012-02-16 CN CN 201220049648 patent/CN202518308U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014114270A1 (en) * | 2013-01-28 | 2014-07-31 | 珠海优力创工贸有限公司 | Folding joint for baby carriage |
| CN103963817A (en) * | 2013-01-28 | 2014-08-06 | 珠海优力创工贸有限公司 | Folding joint for baby carriage |
| EP2781430A1 (en) * | 2013-03-21 | 2014-09-24 | BÉBÉCAR - Utilidades para Criança, S.A. | Child's folding pushchair |
| EP2862781A3 (en) * | 2013-08-06 | 2015-08-05 | Mamas & Papas (Holdings) Limited | Child support apparatus |
| CN104691600A (en) * | 2014-03-13 | 2015-06-10 | 中山市隆成日用制品有限公司 | Pushchair seat, and corresponding pushchair |
| EP2918475A1 (en) * | 2014-03-13 | 2015-09-16 | Dorel France SA | Stroller seat, and corresponding stroller |
| FR3018491A1 (en) * | 2014-03-13 | 2015-09-18 | Dorel France Sa | STROLLER SEAT AND CORRESPONDING STROLLER |
| CN104691600B (en) * | 2014-03-13 | 2017-12-12 | 中山市乐瑞婴童用品有限公司 | Pushchair seat, and corresponding Pushchair |
| CN107472343A (en) * | 2017-07-08 | 2017-12-15 | 广东乐美达集团有限公司 | The cooperating joint device and perambulator of a kind of perambulator |
| CN110329336A (en) * | 2019-07-25 | 2019-10-15 | 中山市少侠王塑料制品有限公司 | A kind of perambulator skeleton convenient for folding |
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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: 20121107 Termination date: 20210216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |