CN209700832U

CN209700832U - A kind of folding device of children's seat

Info

Publication number: CN209700832U
Application number: CN201920187085.7U
Authority: CN
Inventors: 赵立梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-02
Filing date: 2019-02-02
Publication date: 2019-11-29
Anticipated expiration: 2029-02-02

Abstract

The utility model discloses a kind of folding devices of children's seat, are related to bicycle and vehicle technology field.Including retaining mechanism and the first folded formation and the second folded formation that are hinged, first folded formation is removably connect with children's seat, second folded formation is removably connect with car body, first folded formation is equipped with the first internal gear, second folded formation is equipped with secondary annulus, the retaining mechanism includes external gear and pushing meanss, it is engaged with first internal gear one end of the external gear, the other end of the external gear is engaged with the secondary annulus, and the pushing meanss are connect with external gear.The angular adjustment and fixation to the first folded formation and the second folded formation are realized by the clutch of gear；Adjustable angular range is big, and angular adjustment is convenient, using gear engagement by the way of, the gap connected between the first folded formation and the second folded formation is reduced, so that the first folding device will not generate shaking when folding.

Description

A kind of folding device of children's seat

Technical field

The utility model relates to bicycle and vehicle technology field, the folding more particularly, to a kind of children's seat is filled It sets.

Background technique

Electric vehicle, bicycle are the short distance traffic tools that people largely use, and big portion in existing bicycle, electric vehicle Divide the children's seat that children are all carried without design, small part design has children's seat, these seats are designed to foldable shape Formula, when use, lift seat, when not in use then by seat fold-down lever, to reduce the interference to riding.These children's seats Although structure can be used in carrying child, but its in use there is also angle of regulation range small (can only 0~90 ° of adjusting), adjust Section inconvenience, dismounting are inconvenient, also, folding device has very big gap when in use, use shaking greatly, not stable enough The deficiencies of equal, this largely affects convenience, the practicability that children's seat uses.

Utility model content

For above-mentioned the technical problems existing in the prior art, the utility model provides a kind of folding dress of children's seat It sets, to solve, angle of regulation range present in present technology is small, adjusts inconvenient and folding device shakes big technology and ask Topic.

The technical solution of the utility model is: a kind of folding device of children's seat, including retaining mechanism and mutual hinge The first folded formation and the second folded formation connect, first folded formation are removably connect with children's seat, and described second folds Body is removably connect with car body, and first folded formation is equipped with the first internal gear, and second folded formation is equipped with and the The coaxial secondary annulus of one internal gear, the retaining mechanism include external gear and pushing meanss, one end of the external gear with The first internal gear engagement, the other end of the external gear are engaged with the secondary annulus, the pushing meanss and external tooth Wheel connection, for pushing external gear to move axially.

Preferably, first folded formation is equipped with the first groove, first internal gear is set in the first groove, It is described second fold be equipped with the second groove, the secondary annulus be set to the second groove in, the opening of first groove with The opening of second groove is oppositely arranged, and first folding and the second folding are hinged by pin shaft；The pin shaft and the first internal tooth Wheel, secondary annulus, external gear coaxial arrangement.

Preferably, the bottom of first groove is equipped with the centering column of protrusion, the center for column of feeling relieved is equipped with the first mistake Hole, the bottom of second groove are equipped with the centring sleeve of protrusion, and the center of the centring sleeve is equipped with the second via hole；The centring sleeve Inner wall removably connect with centering column, the pin shaft passes through the first via hole and the second via hole and fixes.

Preferably, first internal gear is set to the groove port of the first groove, second groove of secondary annulus Groove port, the diameter that the internal diameter of first internal gear is greater than the first groove forms the first positive stop lug boss, second internal tooth The diameter that the internal diameter of wheel is greater than the second groove forms the second positive stop lug boss, and the external gear is limited in the first positive stop lug boss and second It is slided between boss.

Preferably, one end of the external gear is engaged and is slided with the first internal gear or secondary annulus, it is described outer The other end of gear and secondary annulus or the first internal gear clutch.

Preferably, the gear that the gear width of first internal gear or secondary annulus is less than the external gear is wide The gear width of degree, the secondary annulus or the first internal gear is greater than the gear width of the external gear.

Preferably, the pushing meanss include button and spring, the button and spring are connect with external gear； The button is separated with the first internal gear for being pushed to external gear, the spring be used to for external gear being pushed to first in Gear and secondary annulus engage simultaneously.

Preferably, first folded formation is equipped with third groove, the third groove is located at the anti-of the first groove Face, the bottom surface of the third groove are equipped with perforative first through slot in bottom surface of several and the first groove, and the button is equipped with Several are used for the stabilizer blade across the first through slot, and the stabilizer blade passes through through slot and pushes external gear mobile.

Preferably, being equipped with the latch of protrusion on the stabilizer blade, the latch and the first through slot constitute cantilever snaps.

Preferably, first folded formation is equipped with armchair connecting seat, second folded formation is equipped with Quick Release card Hoop；The armchair connecting seat is removably connect with children's seat, and the Quick Release clip is removably connect with car body.

The beneficial effects of the utility model are: by the way that the first internal gear is arranged on the first folded formation, in the second folded formation Upper setting secondary annulus, and it is provided with external gear, one end of external gear is engaged with the first internal gear, the other end and the second internal tooth Wheel engagement, and moved between the first internal gear and secondary annulus by pushing meanss promotion external gear, when external gear and the When one internal gear or secondary annulus separate, the first folded formation and the second folded formation can mutually rotate the adjusting for carrying out angle, When external gear engages simultaneously with the first internal gear and secondary annulus, the first folded formation and the locking of the second folded formation, Bu Nengxiang Mutually rotation.Angular adjustment and fixation to the first folded formation and the second folded formation are realized by the clutch of gear, adjust angle Greater than 180 °, and adjust it is high-efficient, be fixed conveniently, using gear engagement by the way of, reduce the first folded formation and the second folding The gap connected between stack, so that the first folding device will not generate shaking when folding.

In addition, the optimal technical scheme of the utility model can also realize following technical effect:

1. being provided with the first positive stop lug boss on the first folded formation, the second positive stop lug boss is provided on the second folded formation, The moving range of external gear is limited, the case where external gear separates simultaneously with the first internal gear and secondary annulus is avoided.

2. external gear can be pushed to move in external force button press by the pushing meanss that setting button and spring are constituted Spring is compressed while dynamic, achievees the purpose that the first folded formation and the second folded formation angular adjustment, also, not outer When power, external gear return is pushed by the elastic force of the recovery of spring, is reached the mesh of the first folded formation and the locking of the second folded formation 's.

3. button is fixed with the first folded formation by cantilever snaps structure, installation effectiveness is high, and replacement button is convenient.

4. the first folded formation is fixedly connected by armchair connecting seat with children's seat screw, the second folded formation passes through Quick Release card It binds round and is fixed with the seat bar of bicycle, the under-seat of electric vehicle.And armchair connecting seat and Quick Release clip can be convenient and efficient Children's seat is installed and is removed.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the overall diagram of the utility model；

Fig. 2 is the explosive view of the utility model；

Fig. 3 is the structural schematic diagram of the utility model.

The first folded formation of 1- in figure；The first internal gear of 11-；12- centering column；The first via hole of 13-；The first positive stop lug boss of 14-； 15- armchair connecting seat；16- third groove；The second folded formation of 2-；21- secondary annulus；22- centring sleeve；The second via hole of 23-； The second positive stop lug boss of 24-；25- Quick Release clip；3- external gear；4- spring；5- button；51- stabilizer blade；52- latch.

Specific embodiment

To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work Obtained all other embodiment is put, the range that the utility model is protected is belonged to.

A kind of folding device of children's seat, as shown in Figure 1 to Figure 3, including the first folded formation 1, the second folded formation 2 and lock Tight mechanism, the first folded formation 1 and the second folded formation 2 are hinged；First folded formation 1 is equipped with armchair connecting seat 15, the second folded formation 2 It is equipped with Quick Release clip 25；Quick Release clip 25 is the prior art, including hinged preceding clip and rear clip, and for quickly tearing open The handle for unloading and installing；Armchair connecting seat 15 is removably connect with children's seat, and Quick Release clip 25 removably connects with car body It connects；First folded formation 1 is equipped with the first internal gear 11, and the second folded formation 2 is equipped in second coaxial with the first internal gear 11 Gear 21, retaining mechanism include external gear 3 and pushing meanss, and one end of external gear 3 is engaged with the first internal gear 11, external gear 3 The other end engaged with secondary annulus 21, pushing meanss are connect with external gear 3, for push external gear 3 move axially；When outer When gear is separated with the first internal gear or secondary annulus, the first folded formation and the second folded formation can mutually rotate carry out angle Adjusting, when external gear engages simultaneously with the first internal gear and secondary annulus, the first folded formation and the second folded formation locking, It cannot mutually rotate.Also, when the first folded formation 1 and fixed the second folded formation 2, and children's seat is connected, children take After going, the first internal gear 11, secondary annulus 21, external gear 3 engage simultaneously, also, receive the pressure of child weight, gear it Between engagement great efforts, external gear 3 can not slide easily, improve the safety that entire folding device uses, also, work as There is no children in use, the first internal gear 11, secondary annulus 21, the engagement dynamics between external gear 3 are small, can pass through at this time Pushing meanss easily push external gear 3.

Further, the first internal gear 11 and secondary annulus 21 are the internal gear of same size, have the identical number of teeth And modulus, external gear 3 at this time are engaged with the first internal gear 11 and secondary annulus 21；Alternatively, the first internal gear 11 and second Internal gear 21 have the different number of teeth and modulus, external gear at this time is stepped, be made of two external gears, one of them with The engagement of first internal gear 11, another is engaged with secondary annulus 21.

In order to enable external gear 3 easily to move between the first internal gear 11 and secondary annulus 21, in the first folding Stack 1 is equipped with the first groove, and the first internal gear 11 is set in the first groove, and the second folded formation 2 is equipped with the second groove, the Two internal gears 21 are set in the second groove, and the opening of the first groove and the opening of the second groove are oppositely arranged, 1 He of the first folded formation Second folded formation 2 is hinged by pin shaft；Pin shaft and the first internal gear 11, secondary annulus 21, external gear 3 are coaxially disposed.

Specifically, the bottom of the first groove is equipped with the centering column 12 of protrusion, the center of centering column 12 is equipped with the first via hole 13, The bottom of second groove is equipped with the centring sleeve 22 of protrusion, and the center of centring sleeve 22 is equipped with the second via hole 23；Centring sleeve 22 is set in It feels relieved on column 12, the inner wall of centring sleeve 22 is removably connect with centering column 12, and pin shaft passes through the first via hole 13 and the second via hole 23 is fixed, and the both ends of pin shaft are fixed by circlip for shaft.

External gear 3 is detached from simultaneously with the first internal gear 11 and secondary annulus 21 in order to prevent, and the first internal gear 11 is set to The groove port of first groove, the groove port of 21 second groove of secondary annulus, internal diameter (the i.e. outside circle of the first internal gear 11 Diameter) it is greater than diameter the first positive stop lug boss 14 of formation of the first groove, the internal diameter (i.e. tooth top diameter of a circle) of secondary annulus 21 Diameter greater than the second groove forms the second positive stop lug boss 24, when the first folded formation 1 and hinged the second folded formation 2, external gear 3 slide between the first positive stop lug boss 14 and the second positive stop lug boss 24.

There are two types of the engagement systems of external gear 3 and the first internal gear 11 and secondary annulus 21, the first is external gear 3 One end is engaged and is slided with the first internal gear 11, the other end of external gear 3 and 21 clutches of secondary annulus；Second is outer One end of gear 3 is engaged and is slided with secondary annulus 21,11 clutches of the other end of external gear 3 and the first internal gear；This reality Applying is second of engagement system employed in example.

Specifically, the first internal gear 11 or gear width be less than the gear width of external gear 3, it is another in secondary annulus 21 One gear width is greater than the gear width of external gear 3, in this way, can guarantee when external gear and the first internal gear 11 are complete While full engagement, also engaged with secondary annulus 21；Meanwhile in rotation, external gear 3 can completely be accommodated into second In gear 21.

As shown in figure 3, pushing meanss include button 5 and spring 4, button 5 and spring 4 are connect with external gear 3；Button 5 separate for being pushed to external gear 3 with the first internal gear 21, and spring 4 is for external gear 3 to be pushed to and the first internal gear 11 It is engaged simultaneously with secondary annulus 21；Pushing meanss 5 and spring 6 are respectively arranged on the two sides of external gear, and pushing meanss 5 are in external force Effect is lower to push external gear 3, meanwhile, external gear compresses spring 4, when external gear 3 is completely into arriving secondary annulus 21 When middle, the first folded formation 1 and the second folded formation 2 can be rotated centered on pin shaft, and after the angle for being adjusted to need, release is applied The external force being added on button 5, so that external gear 3 back pushes under the action of the elastic force of spring, so that external gear 3 is simultaneously It is engaged with the first internal gear 11 and secondary annulus 21, achievees the purpose that lock folding device.

Specifically, the first folded formation 11 is equipped with third groove 16, third groove 16 is located at the reverse side of the first groove, third The bottom surface of groove 16 is equipped with perforative first through slot in bottom surface of several and the first groove, and button 5 is equipped with several for wearing The stabilizer blade 51 of the first through slot is crossed, stabilizer blade 51 passes through the first through slot and pushes external gear 3 mobile.

Be equipped with the latch 52 of protrusion on stabilizer blade 51, stabilizer blade 51 and latch be plastic material, stabilizer blade 51 and latch 52 with First through slot constitutes cantilever snaps, and cantilever snaps are present technology, realizes fixed or locking using the elastic force of plastics.

The specifically used process of the utility model are as follows: firstly, folding device is fixed on bicycle, electricity by Quick Release clip On column under the seat of motor-car, then children's seat fixed by armchair connecting seat and folding device screw, finally, when needing When taking children, button 5 is pinned, external gear 3 is only engaged with secondary annulus 21 at this time, adjusts the pitch angle of the first folded formation 1 Degree, adjust to it is horizontal or slightly angled downward from horizontal when, release button 5, at this time in external gear 3 and the first internal gear 11 and second Gear 21 engages simultaneously, realizes the locking to folding device.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replacement, it should be covered within the scope of the utility model.

Claims

1. a kind of folding device of children's seat, which is characterized in that including retaining mechanism and the first folded formation being hinged (1) it is removably connect with the second folded formation (2), first folded formation (1) with children's seat, second folded formation (2) It is removably connect with car body, first folded formation (1) is equipped with the first internal gear (11), on second folded formation (2) Equipped with the secondary annulus (21) coaxial with the first internal gear (11), the retaining mechanism includes external gear (3) and pushing meanss, One end of the external gear (3) is engaged with first internal gear (11), in the other end and described second of the external gear (3) Gear (21) engagement, the pushing meanss are connect with external gear (3), for pushing external gear (3) to move axially.

2. a kind of folding device of children's seat according to claim 1, which is characterized in that on first folded formation (1) Equipped with the first groove, first internal gear (11) is set in the first groove, and it is recessed that second folded formation (2) is equipped with second Slot, the secondary annulus (21) are set in the second groove, and the opening of first groove is opposite with the opening of the second groove to be set It sets, first folded formation (1) and the second folded formation (2) are hinged by pin shaft；The pin shaft and the first internal gear (11), second Internal gear (21), external gear (3) coaxial arrangement.

3. a kind of folding device of children's seat according to claim 2, which is characterized in that the bottom of first groove is set There is the centering column (12) of protrusion, the center of centering column (12) is equipped with the first via hole (13), and the bottom of second groove is equipped with convex The center of the centring sleeve (22) risen, the centring sleeve (22) is equipped with the second via hole (23)；The inner wall of the centring sleeve (22) and fixed Stem (12) removably connects, and the pin shaft passes through the first via hole (13) and the second via hole (23) is fixed.

4. a kind of folding device of children's seat according to claim 2, which is characterized in that first internal gear (11) sets In the groove port of the first groove, the groove port of (21) second groove of secondary annulus, first internal gear (11) it is interior The diameter that diameter is greater than the first groove forms the first positive stop lug boss (14), and the internal diameter of the secondary annulus (21) is greater than the second groove Diameter formed the second positive stop lug boss (24), the external gear (3) is in the first positive stop lug boss (14) and the second positive stop lug boss (24) Between slide.

5. a kind of folding device of children's seat according to claim 4, which is characterized in that one end of the external gear (3) It engages and slides with the first internal gear (11) or secondary annulus (21), the other end and secondary annulus of the external gear (3) (21) or the first internal gear (11) clutch.

6. a kind of folding device of children's seat according to claim 5, which is characterized in that first internal gear (11) or The gear width of secondary annulus (21) is less than the gear width of the external gear (3), the secondary annulus (21) or first The gear width of internal gear (11) is greater than the gear width of the external gear (3).

7. any one of -6 a kind of folding device of children's seat according to claim 1, which is characterized in that the pushing meanss Including button (5) and spring (4), the button (5) and spring (4) are connect with external gear (3)；The button (5) is used for will External gear (3) is pushed to be separated with the first internal gear (11), the spring (4) be used for by external gear (3) be pushed to first in Gear (11) and secondary annulus (21) engage simultaneously.

8. a kind of folding device of children's seat according to claim 7, which is characterized in that on first folded formation (1) Equipped with third groove (16), the third groove (16) is located at the reverse side of the first groove, and the bottom surface of the third groove (16) is set There are several perforative first through slots in bottom surface with the first groove, the button (5) is equipped with several and is used to lead to across first The stabilizer blade (51) of slot, the stabilizer blade (51) pass through through slot and push external gear (3) mobile.

9. a kind of folding device of children's seat according to claim 8, which is characterized in that be equipped on the stabilizer blade (51) The latch (52) of protrusion, the latch (52) and the first through slot constitute cantilever snaps.

10. a kind of folding device of children's seat according to claim 1, which is characterized in that on first folded formation (1) Equipped with armchair connecting seat (15), second folded formation (2) is equipped with Quick Release clip (25)；The armchair connecting seat (15) and youngster Virgin seat removably connects, and the Quick Release clip (25) removably connect with car body.