CN205022667U - Move away to avoid possible earthquakes mechanism and children's shallow of children's shallow front wheel - Google Patents
Move away to avoid possible earthquakes mechanism and children's shallow of children's shallow front wheel Download PDFInfo
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- CN205022667U CN205022667U CN201520690283.7U CN201520690283U CN205022667U CN 205022667 U CN205022667 U CN 205022667U CN 201520690283 U CN201520690283 U CN 201520690283U CN 205022667 U CN205022667 U CN 205022667U
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- wheel
- rotating shaft
- groove
- versatile spindle
- front fork
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Abstract
(B, ) the utility model relates to a (B, ) the mechanism that moves away to avoid possible earthquakes of (b) (b) (b) children shallow front wheel. (B, ) the mechanism that moves away to avoid possible earthquakes of (b) children shallow front wheel, including front fork and front wheel cardan shaft subassembly, be formed with open -ended first recess in upper portion on the front fork, the absorption cell has been installed between front wheel cardan shaft subassembly and the front fork, front wheel cardan shaft subassembly includes front wheel cardan shaft body, pivot and pivot stopper, front wheel cardan shaft body and pivot stopper rotate with the pivot to be connected, the pivot stopper rotates with front wheel cardan shaft body to be connected, set up the first through -hole of the first recess of intercommunication on the front fork, fixed connector follows the front fork outside and passes first through -hole and the interior pivot stopper fixed connection of first recess. In when installation, in only needing to put into first recess in proper order with absorption cell, front wheel cardan shaft subassembly, then penetrate the locking of front wheel cardan shaft subassembly in the first recess of front fork from the front fork outside through fixed connector for the installation reliable and simple of front fork and front wheel cardan shaft subassembly, absorption cell installs and removes efficiency and improves greatly. (B, )
Description
Technical field
the utility model relates to a kind of shockproof mechanism and children trolley of children trolley front-wheel.
Background technology
at present, in common children trolley, in order to adapt to the use road conditions of children trolley, its front-wheel usually can arrange shockproof mechanism, and shockproof mechanism can absorb wheel and run into vibrations caused by concave-convex road surface, makes children's ride-on comfortable.But present shockproof mechanism is simple spring installation mostly, and be mostly Plastic Parts due to the part contacted with spring installation, the spring that rigidity is excessive should not be adopted, so employing is softer spring installation mostly, this spring installation damping is less, absorbs energy slower, spring can not settle out at once, that is, after spring is compressed and decontrols, it can continue for some time stretches not only but also contract, and the effectiveness comparison of this shock-absorbing is poor.
simultaneously, in the prior art, during in order to spring installation being loaded between front fork and front-wheel versatile spindle assembly, be also that groove is set on front fork top usually, by in front-wheel versatile spindle assembly and spring installation one card lifting people groove, the assembling of this set is very difficult, needs just can complete by specially designed mounting tools, and time of setting up is long, efficiency is low, needing also to bother very much during dismounting, is often the dismounting of damage type, and this brings an a lot of difficult problem to the personnel of fitting operation.
Utility model content
the technical problems to be solved in the utility model is to provide that a kind of structure is simple, shock-proof effect good, the shockproof mechanism of the children trolley front-wheel of easy installation and removal.
in order to solve the problems of the technologies described above, a kind of technical scheme that the utility model adopts is: a kind of shockproof mechanism of children trolley front-wheel, comprise front fork and front-wheel versatile spindle assembly, described front fork is formed with the first groove of upper opening, the lower end of described front-wheel versatile spindle assembly is positioned at described first groove and is rotationally connected with described front fork, the absorption cell that can absorb the external impact force that children trolley front-wheel is subject to is equiped with between described front-wheel versatile spindle assembly and front fork, described front-wheel versatile spindle assembly is locked in described first groove by fixed connecting piece, described front-wheel versatile spindle assembly comprises front-wheel versatile spindle body, rotating shaft and rotating shaft limiting stopper, the two ends of described rotating shaft are against on the inwall of the first groove, described front-wheel versatile spindle body and rotating shaft limiting stopper to be located in respectively in rotating shaft and to be connected with axis of rotation, the top of described rotating shaft limiting stopper is connected with the lower rotational of front-wheel versatile spindle body, described front fork offers the first through hole being communicated with described first groove, described fixed connecting piece is removably fixedly connected with the rotating shaft limiting stopper in the first groove from front fork outside through the first through hole.
concrete, described absorption cell is stage clip, and described stage clip is against between described front-wheel versatile spindle body and front fork, and described stage clip is compressive state.
concrete, described front-wheel versatile spindle body is rotationally connected by rotating shaft and described front fork, and described rotating shaft is positioned at the first groove and left and right directions along front fork extends.
concrete, described rotating shaft is positioned at a sidepiece of the first groove, described stage clip is positioned at the first groove sidepiece relative with rotating shaft, when described front-wheel versatile spindle body is around described axis of rotation, described front-wheel versatile spindle body extruding stage clip, described stage clip produces deformation under the effect of front-wheel versatile spindle body.
further, described rotating shaft limiting stopper offers third through-hole, the second groove that described front-wheel versatile spindle body lower part offers accommodating rotating shaft limiting stopper and the second through hole be communicated with the second groove, the upper end of described rotating shaft limiting stopper is against in the second groove, lower end is against in the first groove, the axis of described second through hole and third through-hole overlaps, described rotating shaft is each passed through the second through hole and third through-hole and the two ends of rotating shaft are against on the inwall of the first groove, the upper end of described rotating shaft limiting stopper is formed with the first curved end, described second groove has the first arc groove face of matching with described first curved end, when described front-wheel versatile spindle body rotates around the axis, slide in described first arc groove face on described first curved end.
concrete, described fixed connecting piece is bolt of rear end plate, and the bottom of described rotating shaft limiting stopper offers tapped bore, and described bolt of rear end plate is threaded fixing through the first through hole with the tapped bore of rotating shaft limiting stopper from front fork outside.
preferably, described stage clip is vertically erected in the first groove or is horizontally set on along the longitudinal direction in the first groove.
preferably, the opening that described first through hole is in communication with the outside is located at bottom front fork.
a kind of children trolley, comprise vehicle frame and the front component being installed in vehicle frame lower end, described front component comprises the shockproof mechanism of front-wheel and children trolley front-wheel as above, and described shockproof mechanism comprises front fork and front-wheel versatile spindle assembly, and described front fork lower end is connected with front-wheel.
involvedly above go up the inferior noun of locality all around, is that the orientation work when described children trolley normal uses defines.
scope of the present utility model, is not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, also should contain other technical scheme of being carried out combination in any by above-mentioned technical characteristic or its equivalent feature and being formed simultaneously.The technical characteristic that such as, disclosed in above-mentioned feature and the application (but being not limited to) has similar functions is replaced mutually and the technical scheme etc. formed.
because technique scheme is used, the utility model compared with prior art has following advantages: carry out apparatus with shock absorbing by stage clip, and because the rigidity of stage clip is comparatively large, damping is larger, its absorbing vibration impact energy successful, while stage clip apparatus with shock absorbing.Due to being rotationally connected of front-wheel versatile spindle assembly and front fork, the impact energy part of outside to front component can be converted to rotational kinetic energy, then absorbing vibration impact energy is carried out by stage clip gradually, this ensure that the durability of front fork and front-wheel versatile spindle assembly, make shockproof mechanism have longer service life.When installing anti-vibration structure, only need absorption cell, front-wheel versatile spindle assembly be inserted in the first groove successively, then from front fork outside penetrating, front-wheel versatile spindle assembly is locked in the first groove of front fork by fixed connecting piece, make front fork and front-wheel versatile spindle assembly, absorption cell installation simple, mounting or dismounting efficiency improves greatly.
Accompanying drawing explanation
fig. 1 is the vehicle frame of the utility model children trolley and the structural representation of front component;
fig. 2 is the structural representation of front component;
fig. 3 is the cutaway view of the embodiment one of front component;
fig. 4 is the partial enlarged drawing at A place in Fig. 3;
fig. 5 is the explosive view of the shockproof mechanism embodiment one of the utility model children trolley front-wheel;
fig. 6 is the cutaway view of the embodiment two of front component;
fig. 7 is the front fork structure schematic diagram of the shockproof mechanism embodiment two of the utility model children trolley front-wheel;
fig. 8 is the partial enlarged drawing at B place in Fig. 6;
fig. 9 is the explosive view of the shockproof mechanism embodiment two of the utility model children trolley front-wheel;
figure 10 is the cutaway view of the embodiment three of front component;
figure 11 is the cutaway view of the embodiment four of front component;
figure 12 is the partial enlarged drawing at C place in Figure 10;
figure 13 is the explosive view of the shockproof mechanism embodiment three of the utility model children trolley front-wheel;
figure 14 is the partial enlarged drawing at D place in Figure 11;
figure 15 is the explosive view of the shockproof mechanism embodiment four of the utility model children trolley front-wheel;
wherein: 1, front fork; 2, front-wheel versatile spindle assembly; 3, stage clip; 4, fixed connecting piece; 11, the first groove; 12, the first through hole; 13, the second arc groove face; 21, front-wheel versatile spindle body; 22, rotating shaft; 23, rotating shaft limiting stopper; 24, third through-hole; 25, the second groove; 26, the second through hole; 27, the first curved end; 28, the first arc groove face; 29, the second curved end; 100, front component; 200, vehicle frame; 300, front-wheel.
Detailed description of the invention
as shown in Figures 1 to 5, embodiment one of the present utility model: a kind of shockproof mechanism of children trolley front-wheel, comprises front fork 1 and front-wheel versatile spindle assembly 2.Described front fork 1 is formed with the first groove 11 of upper opening, the lower end of described front-wheel versatile spindle assembly 2 is positioned at described first groove 11 and is rotationally connected with described front fork 1, is equiped with the absorption cell that can absorb the external impact force that children trolley front-wheel is subject between described front-wheel versatile spindle assembly 2 and front fork 1.Described front-wheel versatile spindle assembly 2 is locked in described first groove 11 by fixed connecting piece 4, and described front fork 1 offers the first through hole 12 being communicated with described first groove 11, the opening that described first through hole 12 is in communication with the outside is located at bottom front fork 1.Described fixed connecting piece 4 is removably fixedly connected with the front-wheel versatile spindle assembly 2 in the first groove 11 from front fork 1 outside through the first through hole 12.Described absorption cell is stage clip 3, and described stage clip 3 is against between described front-wheel versatile spindle body 21 and front fork 1, and described stage clip 3 is vertically erected at the sidepiece in the first groove 11, and described stage clip 3 is in compressive state.
described front-wheel versatile spindle assembly 2 comprises front-wheel versatile spindle body 21, rotating shaft 22 and rotating shaft locating part 23.Described front-wheel versatile spindle body 21 is rotationally connected by rotating shaft 22 and described front fork 1, and described rotating shaft 22 is positioned at the first groove 11 and left and right directions along front fork 1 extends.Described rotating shaft limiting stopper 23 offers third through-hole 24, the second groove 25 that described front-wheel versatile spindle body 21 bottom offers accommodating rotating shaft limiting stopper 23 and the second through hole 26 be communicated with the second groove 25, the upper end of described rotating shaft limiting stopper 23 is against in the second groove 25, lower end is against in the first groove 11, the axis of described second through hole 26 and third through-hole 24 overlaps, described rotating shaft 22 is each passed through the second through hole 26 and third through-hole 24 and the two ends of rotating shaft 22 are against on the inwall of the first groove 11, described fixed connecting piece 4 is fixedly connected with rotating shaft limiting stopper 23 from front fork 1 outside through the first through hole 12, the upper end of described rotating shaft limiting stopper 23 is formed with the first curved end 27, described second groove 25 has the first arc groove face 28 of matching with described first curved end 27, when 22 rotation around the shaft of described front-wheel versatile spindle body 21, slide in described first arc groove face 28 on described first curved end 27.
described fixed connecting piece 4 is bolt of rear end plate, and the bottom of described rotating shaft limiting stopper 23 offers tapped bore, and described bolt of rear end plate is threaded fixing through the first through hole 12 with the tapped bore of rotating shaft limiting stopper 23 from front fork 1 outside.The setting of bolt of rear end plate, makes the installation of front-wheel versatile spindle assembly 2, stage clip 3 and front fork 1 fixedly become simple.Bolt of rear end plate is fixedly connected with rotating shaft limiting stopper 23 from front fork 1 outside through the first through hole 12, thus front-wheel versatile spindle assembly 2 is propped up stage clip 3 is locked in the first groove 11 of front fork 1.Dismounting bolt of rear end plate can realize the fractionation of shockproof mechanism.
described rotating shaft 22 is positioned at the other side relative with stage clip 3 of the first groove 11.When described front-wheel versatile spindle body 21 rotates around described rotating shaft 22, described front-wheel versatile spindle body 21 extrudes stage clip 3, and described stage clip 3 produces deformation under the effect of front-wheel versatile spindle body 21.
the shock-absorbing principle of embodiment one is as described below: stage clip 3 is for absorbing described front-wheel versatile spindle assembly 2 and front fork 1 impact energy each other.When front-wheel 300 because the reason of the use road conditions of children trolley is subject to the impact of external force, impulsive force passes to front fork 1, and then front fork 1 and front-wheel versatile spindle assembly 2 interact, and described front-wheel versatile spindle assembly 2 phase countershaft 22 rotates, and press to stage clip 3, described stage clip 3 shrinks and deformation occurs.Such impulsive force part is converted into the kinetic energy that front-wheel versatile spindle assembly 2 rotates around the axis, a part is converted into the elastic potential energy of stage clip 3 compression set, again due to the shock damping action of stage clip 3, external impact energy is consumed by stage clip 3 gradually, and due to the damping of stage clip 3 larger, the deformation quantity of stage clip 3 is less, so shock-proof effect is obvious.
as shown in Figures 6 to 9, embodiment two of the present utility model is the changes carried out on the basis of embodiment one.By front-wheel versatile spindle body 21 around the shaft 22 modes of rotating change into front-wheel versatile spindle body 21 and rotate on the first groove 11 intrados of front fork 1.Concrete, the shockproof mechanism of children trolley front-wheel described in embodiment two comprises front fork 1, front-wheel versatile spindle components 2, stage clip 3 and fixed connecting piece 4.
described stage clip 3 is against between described front-wheel versatile spindle assembly 2 and front fork 1.Described front fork 1 is formed with the first groove 11 of upper opening.Described stage clip 3 is vertically erected at the sidepiece in the first groove 11.Described front-wheel versatile spindle assembly 2 comprises front-wheel versatile spindle main body 21, and described front-wheel versatile spindle main body 21 is pressed on stage clip 3 and makes described stage clip 3 in compressive state.The lower end of described front-wheel versatile spindle main body 21 is positioned at described first groove 11.The the second arc groove face 13 contacted with front-wheel versatile spindle body 21 is formed in first groove 11 of described front fork 1, the lower end of described front-wheel versatile spindle body 21 is also provided with the second curved end 29 in corresponding described second arc groove face 13, described front-wheel versatile spindle body 21 is with front fork 1 at described first groove 11 inner faces contact, and the second curved end 29 of described front-wheel versatile spindle body 21 can rotate along described second arc groove face 13.
in described first groove 11, described front fork 1 offers the first through hole 12 being communicated with described first groove 11, the opening that described first through hole 12 is in communication with the outside is located at bottom front fork 1.Described fixed connecting piece 4 is bolt of rear end plate, described first through hole 12 is waist shaped hole, described bolt of rear end plate is threaded with the lower end of front-wheel versatile spindle body 21 from front fork 1 outside through waist shaped hole, and described waist shaped hole coordinates the rotation amplitude that can limit front-wheel versatile spindle assembly 2 with bolt of rear end plate.
shock-absorbing principle and the embodiment one of embodiment two are similar, and what just converted front-wheel versatile spindle assembly 2 and front fork 1 relatively rotates mode, becomes arcuately face rotate from axis of rotation.
as shown in Figure 10, Figure 12, Figure 13, embodiment three of the present utility model is the changes carried out on the basis of embodiment one, being changed into by the stage clip 3 be vertically placed in embodiment one in first groove 11 lies in a horizontal plane in the first groove 11 along the longitudinal direction, stage clip 3 has been carried out relative exchange with the position of rotating shaft 22 in the first groove 11 simultaneously.Described stage clip 3 one end is against on the inwall of the first groove 11, and the other end is against front-wheel versatile spindle main body 21 following side.Shock-absorbing principle and the embodiment one of embodiment three are similar, repeat no more herein.
as shown in Figure 11, Figure 14, Figure 15, embodiment four of the present utility model is the changes carried out on the basis of embodiment two, being changed into by the stage clip 3 be vertically placed in embodiment two in first groove 11 lies in a horizontal plane in the first groove 11 along the longitudinal direction, stage clip 3 has been carried out relative exchange with the position in the second arc groove face 13 formed in the first groove 11 simultaneously, described stage clip 3 one end is against on the inwall of the first groove 11, and the other end is against front-wheel versatile spindle body 21 following side.Shock-absorbing principle and the embodiment two of embodiment four are similar, repeat no more herein.
a kind of children trolley described in the utility model, comprise vehicle frame 200 and the front component 100 being installed in vehicle frame lower end, described front component 100 comprises the shockproof mechanism of front-wheel 300 and any one children trolley front-wheel described in above-mentioned four kinds of embodiments, described shockproof mechanism comprises front fork 1 and front-wheel versatile spindle assembly 2, and described front fork 1 lower end is connected with front-wheel 300.
as mentioned above, we are illustrated according to aim of the present utility model completely, but the utility model is not limited to above-described embodiment and implementation method.Different changes and enforcement is carried out in the scope that the practitioner of correlative technology field can permit at technological thought of the present utility model.
Claims (9)
1. the shockproof mechanism of a children trolley front-wheel, comprise front fork (1) and front-wheel versatile spindle assembly (2), it is characterized in that: the first groove (11) described front fork (1) being formed with upper opening, the lower end of described front-wheel versatile spindle assembly (2) is positioned at described first groove (11) and is rotationally connected with described front fork (1), the absorption cell that can absorb the external impact force that children trolley front-wheel is subject to is equiped with between described front-wheel versatile spindle assembly (2) and front fork (1), described front-wheel versatile spindle assembly (2) is locked in described first groove (11) by fixed connecting piece (4), described front-wheel versatile spindle assembly (2) comprises front-wheel versatile spindle body (21), rotating shaft (22) and rotating shaft limiting stopper (23), the two ends of described rotating shaft (22) are against on the inwall of the first groove (11), described front-wheel versatile spindle body (21) and rotating shaft limiting stopper (23) are located in rotating shaft (22) respectively and go up and be rotationally connected with rotating shaft (22), the top of described rotating shaft limiting stopper (23) is connected with the lower rotational of front-wheel versatile spindle body (21), described front fork (1) offers the first through hole (12) being communicated with described first groove (11), described fixed connecting piece (4) is removably fixedly connected with the rotating shaft limiting stopper (23) in the first groove (11) from front fork (1) outside through the first through hole (12).
2. the shockproof mechanism of children trolley front-wheel according to claim 1, it is characterized in that: described absorption cell is stage clip (3), described stage clip (3) is against between described front-wheel versatile spindle body (21) and front fork (1), and described stage clip (3) is in compressive state.
3. the shockproof mechanism of children trolley front-wheel according to claim 2, it is characterized in that: described front-wheel versatile spindle body (21) is rotationally connected by rotating shaft (22) and described front fork (1), described rotating shaft (22) is positioned at the first groove (11) and left and right directions along front fork (1) extends.
4. the shockproof mechanism of children trolley front-wheel according to claim 3, it is characterized in that: described rotating shaft (22) is positioned at a sidepiece of the first groove (11), described stage clip (3) is positioned at the first groove (11) sidepiece relative with rotating shaft (22), when described front-wheel versatile spindle body (21) is rotated around described rotating shaft (22), described front-wheel versatile spindle body (21) extruding stage clip (3), described stage clip (3) produces deformation under the effect of front-wheel versatile spindle body (21).
5. the shockproof mechanism of children trolley front-wheel according to claim 1, it is characterized in that: described rotating shaft limiting stopper (23) offers third through-hole (24), the second groove (25) that described front-wheel versatile spindle body (21) bottom offers accommodating rotating shaft limiting stopper (23) and the second through hole (26) be communicated with the second groove (25), the upper end of described rotating shaft limiting stopper (23) is against in the second groove (25), lower end is against in the first groove (11), the axis of described second through hole (26) and third through-hole (24) overlaps, described rotating shaft (22) is each passed through the second through hole (26) and third through-hole (24), the upper end of described rotating shaft limiting stopper (23) is formed with the first curved end (27), described second groove (25) has the first arc groove face (28) of matching with described first curved end (27), when rotate around the shaft by (22) for described front-wheel versatile spindle body (21), described first arc groove face (28) is in the upper slip of described first curved end (27).
6. the shockproof mechanism of children trolley front-wheel according to claim 5, it is characterized in that: described fixed connecting piece (4) is bolt of rear end plate, the bottom of described rotating shaft limiting stopper (23) offers tapped bore, and described bolt of rear end plate is threaded fixing through the first through hole (12) with the tapped bore of rotating shaft limiting stopper (23) from front fork (1) outside.
7. the shockproof mechanism of children trolley front-wheel according to claim 2, is characterized in that: described stage clip (3) is vertically erected in the first groove (11) or is horizontally set on along the longitudinal direction in the first groove (11).
8. the shockproof mechanism of children trolley front-wheel according to claim 1, is characterized in that: the opening that described first through hole (12) is in communication with the outside is located at front fork (1) bottom.
9. a children trolley, comprise vehicle frame (200) and be installed in the front component (100) of vehicle frame lower end, it is characterized in that: described front component (100) comprises the shockproof mechanism of front-wheel (300) and the children trolley front-wheel as described in any one of claim 1 to 8, described shockproof mechanism comprises front fork (1) and front-wheel versatile spindle assembly (2), and described front fork (1) lower end is connected with front-wheel (300).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520690283.7U CN205022667U (en) | 2015-09-08 | 2015-09-08 | Move away to avoid possible earthquakes mechanism and children's shallow of children's shallow front wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520690283.7U CN205022667U (en) | 2015-09-08 | 2015-09-08 | Move away to avoid possible earthquakes mechanism and children's shallow of children's shallow front wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205022667U true CN205022667U (en) | 2016-02-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520690283.7U Withdrawn - After Issue CN205022667U (en) | 2015-09-08 | 2015-09-08 | Move away to avoid possible earthquakes mechanism and children's shallow of children's shallow front wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205022667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105128915A (en) * | 2015-09-08 | 2015-12-09 | 好孩子儿童用品有限公司 | Shock absorption mechanism for front wheels of stroller and stroller |
-
2015
- 2015-09-08 CN CN201520690283.7U patent/CN205022667U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105128915A (en) * | 2015-09-08 | 2015-12-09 | 好孩子儿童用品有限公司 | Shock absorption mechanism for front wheels of stroller and stroller |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160210 Effective date of abandoning: 20180316 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20160210 Effective date of abandoning: 20180316 |