CN202944381U - Folding mechanism for children cart - Google Patents
Folding mechanism for children cart Download PDFInfo
- Publication number
- CN202944381U CN202944381U CN 201220546969 CN201220546969U CN202944381U CN 202944381 U CN202944381 U CN 202944381U CN 201220546969 CN201220546969 CN 201220546969 CN 201220546969 U CN201220546969 U CN 201220546969U CN 202944381 U CN202944381 U CN 202944381U
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- CN
- China
- Prior art keywords
- bearing
- pedestal
- children trolley
- support
- retracting 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a folding mechanism for a children cart. The folding mechanism for the children cart comprises a first support, a second support and a third support, wherein the first support, the second support and the third support are assembled in a mutual matching mode, the first support is provided with a locking member and a rotary sleeve, wherein the locking member is arranged on the first support in a movable mode, the rotary sleeve is used for driving the locking member to move up and down to achieve the positioning and / or the folding of the second support and the third support to the first support, a first driving shaft used for driving the rotary sleeve to rotate is arranged in the first support, and the first driving shaft is exposed of the first support. A variable diameter groove in a non-circular shape is formed in the first support, a concave column arranged at the tail end of a bar-shaped plate which is arranged in the second support is fit into the variable diameter groove, and a second driving shaft connected at the tail end of the bar-shaped plate is exposed of the second support. The folding mechanism for the children cart is compact in structure, simple and safe in operation, capable of folding pushing rods, supporting rods and armrests of the children cart to a base support of the children cart in one time, and very convenient to use.
Description
Technical field:
The utility model relates to the children trolley product technical field, refers in particular to a kind of compact conformation, easy and simple to handle, safety, and can realize the disposable children trolley retracting mechanism that folds children trolley.
Background technology:
Children trolley comprises handgrip, joint, mounting, the rear foot, wheel, seat and sunshade.Framework after removal seat and sunshade is called has retracting mechanism that vehicle frame is launched in use on the vehicle frame vehicle frame, fold when depositing.The retracting mechanism of traditional children go-cart is that handgrip is connected and fixed on the joint of handle pipe upper end by rivet.Press the control setup that returns the vehicle to the garage and knock off, pull locking bolt by trailing cable, itself and joint are thrown off, the upset handle pipe can be completed the folding of children trolley; Unclamp the button that returns the vehicle to the garage and knock off, under the effect of retracing spring, locking bolt resets.The retracting mechanism of this children trolley of prior art, structure reset, firmness is low, operation is inconvenient.
In addition, on market, the retracting mechanism of children trolley easily because of customer's maloperation, causes the children trolley accident to fold, thereby can cause personal injury to the children in children trolley.Based on security consideration, some children trolleys also are provided with the blocking device of retracting mechanism especially.When children trolley launches; blocking device locks the retracting mechanism of children trolley; prevent that maloperation from causing the injury to children; when folding, blocking device is opened, then children trolley is folding; though play certain protection; but operate very inconveniently, and blocking device is independent of retracting mechanism outer and design, increased like this productive costs.
The utility model content:
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of compact conformation, easy and simple to handle, safety are provided, and can realize the disposable children trolley retracting mechanism that folds children trolley.
In order to solve the problems of the technologies described above, the utility model has adopted following technical proposals: a kind of children trolley retracting mechanism, this retracting mechanism comprises: the first bearing, it comprises: the first pedestal and the first installation portion that the children trolley push rod be used for to be installed form the reducing chute of a non-circular arc in this first pedestal; The second bearing, it comprises: the second installation portion that is installed on the second pedestal on described the first pedestal and is used for installing the children trolley strut bar, the projection of the stripe board end of installing in this second pedestal falls into described reducing chute, and the second axle drive shaft that this stripe board end connects is revealed in outside the second pedestal; The 3rd bearing, it comprises: the 3rd installation portion of the 3rd pedestal on described the first pedestal and the second pedestal being installed and being used for installing the children trolley handrail; Be movably installed with a closure in described the first bearing and be used for driving closure and move up and down to realize locating and/or folding the second bearing and the rotary sleeve of the 3rd bearing on the first bearing; The first axle drive shaft that rotates for driving rotary sleeve is installed in the first bearing, and this first axle drive shaft is revealed in outside the first bearing.
Furthermore, in technique scheme, described reducing chute comprises: two arc chutes that the radius that is connected is different.
Furthermore, in technique scheme, be provided with a chute hole on described stripe board, stripe board coordinates a stud shaft to be movably installed in described the second bearing by this chute hole.
Furthermore, in technique scheme, be provided with a tank and a mounting groove in described the first pedestal, form a bulge loop in this tank, the reducing chute of described non-circular arc is between tank and mounting groove, and in the reducing chute, arc chute is provided with a breach.
Furthermore, in technique scheme, described closure coordinates a stage clip to be installed in the tank of described the first pedestal, and be socketed on described bulge loop, this closure outside forms the piece that is connected that a projection and a moulding and described breach be complementary, this linking piece outside forms a salient, and is connected and forms a type groove that is complementary with described reducing chute in piece.
Furthermore, in technique scheme, be provided with the locating piece that positions for to described the second bearing and the 3rd bearing on described closure, be provided with the knock hole that is complementary in this locating piece on the second pedestal of described the second bearing, be provided with the positioning groove that is complementary in this locating piece on the 3rd pedestal of described the 3rd bearing.
Furthermore, in technique scheme, be provided with an inclined-plane on the linking piece in described closure and projection, described rotary sleeve inboard forms and is connected the diagonal plane that the inclined-plane on piece and projection cooperatively interacts with this.
Furthermore, in technique scheme, be provided with an axis hole in described rotary sleeve, an axis body is installed in this axis hole, described the second axle drive shaft is connected with this axis body.
Furthermore, in technique scheme, be provided with a draw-in groove on described the first bearing, be provided with a card convex that is complementary with this draw-in groove on described the 3rd bearing.
After adopting technique scheme, the utility model has following beneficial effect compared with prior art: during the utility model assembling, the first bearing is connected with the children trolley push rod, the second bearing is connected with the children trolley strut bar, and the second axle drive shaft that connects in the second bearing be used for locking go-cart strut bar and be connected registration device with the go-cart underframe and be connected, the 3rd bearing is connected with the children trolley handrail.In the utility model when location,, the locating piece in closure is embedded in the positioning groove of the knock hole of the second bearing and the 3rd bearing, makes the first bearing, the second bearing and the 3rd bearing fix sealed assembling.when the utility model folds, by pulling the first axle drive shaft to rotate certain angle to drive rotary sleeve, closure is moved inward, remove the first bearing, the second bearing and the 3rd bearing are fixed sealed assembly relation, make the first bearing and the 3rd bearing rotate and to fold in the second bearing, in this simultaneously, the projection of the stripe board end of installing in the second pedestal slides in the reducing chute of the first pedestal, make the second axle drive shaft that the stripe board end connects realize round shift action, this second axle drive shaft can be removed the positioning relation of go-cart strut bar and go-cart underframe by this shift action that comes and goes, in this, can realize disposable with the children trolley push rod, strut bar, handrail collapses on the go-cart underframe, easy and simple to handle, safety.
Description of drawings:
Fig. 1 is block diagram of the present utility model;
Fig. 2 is three-dimensional exploded view of the present utility model;
Fig. 3 is the block diagram of the first bearing in the utility model;
Fig. 4 is the block diagram of the 3rd bearing in the utility model;
Fig. 5 is the block diagram of closure in the utility model;
Fig. 6 is the block diagram at another visual angle of closure in the utility model;
Fig. 7 is the block diagram of rotary sleeve in the utility model;
Fig. 8 is the block diagram at another visual angle of rotary sleeve in the utility model;
Fig. 9 is partial assembled schematic diagram of the present utility model;
Figure 10 is the cutaway view of collapse state of the present utility model after amplifying;
Figure 11 is the first use state reference map after the utility model is assemblied in children trolley;
Figure 12 is the second use state reference map after the utility model is assemblied in children trolley;
Description of reference numerals:
1 first bearing 11 first pedestal 101 arc chute 102 arc chutes
111 reducing chute 112 tank 113 mounting groove 114 bulge loops
115 breach 12 first installation portion 13 closure 131 projections
132 are connected piece 133 salient 134 type groove 135 locating pieces
136 inclined-plane 137 inclined-plane 14 rotary sleeve 141 axis holes
142 axis body 143 diagonal plane 144 diagonal plane 15 stage clips
16 draw-in groove 2 second bearing 21 second pedestal 211 knock holees
22 second installation portion 3 the 3rd bearing 31 the 3rd pedestal 311 positioning grooves
312 card convex 32 the 3rd installation portion 4 stripe board 41 projections
42 chute hole 43 stud shaft 51 first axle drive shaft 52 second axle drive shafts
6 pivot 71 push rod 72 strut bar 73 handrails
74 underframe
The specific embodiment:
Below in conjunction with specific embodiments and the drawings, the utility model is further illustrated.
Shown in Fig. 1-12, a kind of children trolley retracting mechanism, this retracting mechanism is installed in children trolley, and children trolley comprises underframe 74, is installed on the strut bar 72 on underframe 74, the handrail 73 that is connected with strut bar 72 and push rod 71.
Described children trolley retracting mechanism comprises: by a pivot 6 cooperatively interact the assembling the first bearing 1, the second bearing 2 and the 3rd bearing 3.The projection 41 that forms stripe board 4 ends of installing in reducing chute 111, the second bearings 2 of a non-circular arc in the first bearing 1 falls into described reducing chute 111, and the second axle drive shaft 52 that these stripe board 4 ends connect is revealed in outside the second pedestal 2; Be movably installed with a closure 13 in described the first bearing 1 and be used for driving closure 13 and move up and down to realize locating and/or folding the second bearing 2 and the rotary sleeve 14 of the 3rd bearing 3 on the first bearing 1; The first axle drive shaft 51 that rotates for driving rotary sleeve 14 is installed in the first bearing 1, and this first axle drive shaft 51 is revealed in outside the first bearing 1.
Particularly, the first bearing 1 comprises: the first pedestal 11 and the first installation portion 12 that children trolley push rod 71 be used for to be installed form the reducing chute 111 of described non-circular arc in this first pedestal 11.Described reducing chute 111 comprises: two arc chutes 101,102 that the radius that is connected is different.
The radius of supposing arc chute 101 is R1, and the radius of arc chute 102 is R2, and R1〉R2; The long L of being of stroke that folds of the present utility model,, the pass between it is: L=R1-R2.When the utility model folded, the first bearing 1 rotated, and made the projection 41 of stripe board 4 ends along with sliding in reducing chute 111, and namely stripe board 4 is done the motion of gradual change track, and the miles of relative movement of stripe board 4 is L.
Be provided with a tank 112 and a mounting groove 113 in described the first pedestal 11, form a bulge loop 114 in this tank 112, the reducing chute 111 of described non-circular arc is between tank 112 and mounting groove 113, and the arc chute in reducing chute 111 101 is provided with a breach 115.
Described closure 13 coordinates a stage clip 15 to be installed in the tank 112 of described the first pedestal 11, and be socketed on described bulge loop 114, this closure 13 outsides form that a projection 131 and a moulding and described breach 115 be complementary is connected piece 132, this linking piece 132 outsides form a salient 133, and are connected and form a type groove 134 that is complementary with described reducing chute 111 in piece 132.
Be provided with an inclined-plane 136,137 on linking piece 132 in described closure 13 and projection 131, described rotary sleeve 14 inboards form and are connected the diagonal plane 143,144 that the inclined-plane 136,137 on piece 132 and projection 131 cooperatively interacts with this, drive closure 13 when making rotary sleeve 14 rotate and move up and down.
Be provided with an axis hole 141 in described rotary sleeve 14, an axis body 142 is installed in this axis hole 141, described the second axle drive shaft 52 is connected with this axis body 142.
Be provided with a chute hole 42 on described stripe board 4, stripe board 4 coordinates a stud shaft 43 to be movably installed in described the second bearing 2 by this chute hole 42.
Described the second bearing 2 comprises: the second installation portion 22 that is installed on the second pedestal 21 on described the first pedestal 11 and is used for installing children trolley strut bar 72.
Described the 3rd bearing 3 comprises: the 3rd installation portion 32 of the 3rd pedestal 31 on described the first pedestal 11 and the second pedestal 21 being installed and being used for installing children trolley handrail 73.
Be provided with the locating piece 135 that positions for to described the second bearing 2 and the 3rd bearing 3 on described closure 13, be provided with the knock hole 211 that is complementary in this locating piece 135 on the second pedestal 21 of described the second bearing 2, be provided with the positioning groove 311 that is complementary in this locating piece 135 on the 3rd pedestal 31 of described the 3rd bearing 3.
Be provided with a draw-in groove 16 on described the first bearing 1, be provided with a card convex 312 that is complementary with this draw-in groove 16 on described the 3rd bearing 3, make the first bearing 1 and the 3rd bearing 3 realize synchronous the rotation.
During the utility model assembling, described closure 13 coordinates stage clips 15 be installed in the tank 112 of described the first pedestal 11 and be socketed on the bulge loop 114 of the first pedestal 11, wherein, the linking piece 132 in this closure 13 outsides falls into the breach 115 of reducing chute 111 arc chutes 101 of described the first pedestal 11, when closure 13 is moved down, be connected piece 132 king of Zisco type grooves 134 and be connected with reducing chute 111, form a complete groove.Rotary sleeve 14 is installed in the mounting groove 113 of the first pedestal 11, wherein, the diagonal plane 143,144 of rotary sleeve 14 inboard moulding respectively with closure 13 in the inclined-plane 136,137 that is connected on piece 132 and projection 131 prop up to cooperation, described rotary sleeve 14 drives closure 13 when rotating and moves up and down.Described the second axle drive shaft 52 ends are installed in the axis hole 141 of rotary sleeve 14 by described axis body 142, the second axle drive shaft 52 is pulled back and forth make, and can drive rotary sleeve 14 and rotate.
The second pedestal 21 of described the second bearing 2 is assemblied on the first pedestal 11, knock hole 211 in the second pedestal 21 is socketed on the locating piece 135 of closure 13, and locating piece 135 is revealed on the second pedestal 21, makes the second bearing 2 and the first pedestal 1 form stable assembly relation.The 3rd pedestal 31 of described the 3rd bearing 3 is assemblied on the second pedestal 21, the positioning groove 311 of the 3rd pedestal 31 forms interference with the locating piece 135 that is revealed on the second pedestal 21, and the draw-in groove 16 on the card convex 312 on the 3rd bearing 3 and the first bearing 1, form and interfere, make the first bearing 1 and the 3rd bearing 3 realize synchronous the rotation.
The first bearing 1, the second bearing 2 and the 3rd bearing 3 that cooperatively interact and assemble by described pivot 6 at last make between the first bearing 1, the second bearing 2 and the 3rd bearing 3 and can mutually rotate.
When the utility model uses, be connected with the push rod 71 of children trolley by the first bearing 1, the second bearing 2 is connected with the strut bar 72 of children trolley, and the second axle drive shaft 52 that connects in the second bearing 2 and the strut bar 72 that is used for locking children trolley are connected the registration device of underframe 74 and are connected with children trolley, the 3rd bearing 3 is connected with children trolley handrail 73.
In the utility model when location,, the locating piece 135 in closure 13 is embedded in the positioning groove 311 of the knock hole 211 of the second bearing 2 and the 3rd bearing 3, makes the first bearing 1, the second bearing 2 and the 3rd fixing sealed assembling of bearing 3.when the utility model folds, by pulling the first axle drive shaft 51 to rotate certain angle to drive rotary sleeve 14, closure 51 is moved inward, remove the first bearing 1, the second bearing 2 and the 3rd fixing sealed assembly relation of bearing 3, make the first bearing 1 and the 3rd bearing 3 rotate and to fold in the second bearing 2, in this simultaneously, the projection 41 of stripe board 4 ends of installing in the second bearing 2 slides in the reducing chute 111 of the first pedestal 1, make the second axle drive shaft 52 that stripe board 4 ends connect realize round shift action, this second axle drive shaft 52 can be removed the positioning relation of go-cart strut bar 72 and go-cart underframe 74 by this shift action that comes and goes, in this, can realize disposable with children trolley push rod 71, strut bar 72, handrail 73 collapses on the underframe 74 of children trolley, and it is easy and simple to handle, safety.
Certainly, the above is only specific embodiment of the utility model, be not to limit the utility model practical range, all equivalences of doing according to the described structure of the utility model claim, feature and principle change or modify, and all should be included in the utility model claim.
Claims (9)
1. children trolley retracting mechanism, it is characterized in that: this retracting mechanism comprises:
The first bearing (1), it comprises: the first pedestal (11) and the first installation portion (12) that children trolley push rod (71) be used for to be installed form the reducing chute (111) of a non-circular arc in this first pedestal (11);
The second bearing (2), it comprises: the second installation portion (22) that is installed on the second pedestal (21) on described the first pedestal (11) and is used for installing children trolley strut bar (72), the projection (41) of stripe board (4) end of installing in this second pedestal (21) falls into described reducing chute (111), and the second axle drive shaft (52) that this stripe board (4) end connects is revealed in outside the second pedestal (2);
The 3rd bearing (3), it comprises: the 3rd installation portion (32) of the 3rd pedestal (31) on described the first pedestal (11) and the second pedestal (21) being installed and being used for installing children trolley handrail (73);
Be movably installed with a closure (13) in described the first bearing (1) and be used for driving closure (13) and move up and down to realize the location and/or fold the second bearing (2) and the rotary sleeve (14) of the 3rd bearing (3) on the first bearing (1); The first axle drive shaft (51) that rotates for driving rotary sleeve (14) is installed in the first bearing (1), and this first axle drive shaft (51) is revealed in outside the first bearing (1).
2. a kind of children trolley retracting mechanism according to claim 1, it is characterized in that: described reducing chute (111) comprising: two arc chutes (101,102) that the radius that is connected is different.
3. a kind of children trolley retracting mechanism according to claim 1, it is characterized in that: be provided with a chute hole (42) on described stripe board (4), stripe board (4) coordinates a stud shaft (43) to be movably installed in described the second bearing (2) by this chute hole (42).
4. a kind of children trolley retracting mechanism according to claim 2, it is characterized in that: be provided with a tank (112) and a mounting groove (113) in described the first pedestal (11), form a bulge loop (114) in this tank (112), the reducing chute (111) of described non-circular arc is positioned between tank (112) and mounting groove (113), and in reducing chute (111), arc chute (101) is provided with a breach (115).
5. a kind of children trolley retracting mechanism according to claim 4, it is characterized in that: described closure (13) coordinates a stage clip (15) to be installed in the tank (112) of described the first pedestal (11), and be socketed on described bulge loop (114), this closure (13) outside forms that a projection (131) and a moulding and described breach (115) be complementary is connected piece (132), form a salient (133) outside this linking piece (132), and be connected and form a type groove (134) that is complementary with described reducing chute (111) in piece (132).
6. a kind of children trolley retracting mechanism according to claim 5, it is characterized in that: be provided with the locating piece (135) that positions for to described the second bearing (2) and the 3rd bearing (3) on described closure (13), be provided with the knock hole (211) that is complementary in this locating piece (135) on second pedestal (21) of described the second bearing (2), be provided with the positioning groove (311) that is complementary in this locating piece (135) on the 3rd pedestal (31) of described the 3rd bearing (3).
7. a kind of children trolley retracting mechanism according to claim 6, it is characterized in that: be provided with an inclined-plane (136,137) on the linking piece (132) in described closure (13) and projection (131), described rotary sleeve (14) inboard forms the diagonal plane (143,144) that the inclined-plane (136,137) that is connected with this on piece (132) and projection (131) cooperatively interacts.
8. a kind of children trolley retracting mechanism according to claim 1, it is characterized in that: be provided with an axis hole (141) in described rotary sleeve (14), one axis body (142) is installed in this axis hole (141), and described the second axle drive shaft (52) is connected with this axis body (142).
9. a kind of children trolley retracting mechanism according to claim 1 is characterized in that: be provided with a draw-in groove (16) on described the first bearing (1), be provided with a card convex (312) that is complementary with this draw-in groove (16) on described the 3rd bearing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220546969 CN202944381U (en) | 2012-10-23 | 2012-10-23 | Folding mechanism for children cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220546969 CN202944381U (en) | 2012-10-23 | 2012-10-23 | Folding mechanism for children cart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202944381U true CN202944381U (en) | 2013-05-22 |
Family
ID=48420092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220546969 Expired - Fee Related CN202944381U (en) | 2012-10-23 | 2012-10-23 | Folding mechanism for children cart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202944381U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104192197A (en) * | 2014-08-14 | 2014-12-10 | 好孩子儿童用品有限公司 | Locking connecting mechanism and child stroller |
| CN104442984A (en) * | 2014-10-31 | 2015-03-25 | 广东乐美达集团有限公司 | Lower linkage folding joint for linkage folding stroller |
| CN106627715A (en) * | 2017-01-16 | 2017-05-10 | 宁波神马集团有限公司 | Baby stroller locking device |
-
2012
- 2012-10-23 CN CN 201220546969 patent/CN202944381U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104192197A (en) * | 2014-08-14 | 2014-12-10 | 好孩子儿童用品有限公司 | Locking connecting mechanism and child stroller |
| CN104442984A (en) * | 2014-10-31 | 2015-03-25 | 广东乐美达集团有限公司 | Lower linkage folding joint for linkage folding stroller |
| CN104442984B (en) * | 2014-10-31 | 2016-08-17 | 广东乐美达集团有限公司 | A kind of lower linkage folding joint of the folding baby carrier that links |
| CN106627715A (en) * | 2017-01-16 | 2017-05-10 | 宁波神马集团有限公司 | Baby stroller locking device |
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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: 20130522 Termination date: 20171023 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |