CN218357344U - Ratchet wheel driven toy four-wheel vehicle - Google Patents
Ratchet wheel driven toy four-wheel vehicle Download PDFInfo
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- CN218357344U CN218357344U CN202222786658.2U CN202222786658U CN218357344U CN 218357344 U CN218357344 U CN 218357344U CN 202222786658 U CN202222786658 U CN 202222786658U CN 218357344 U CN218357344 U CN 218357344U
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- ratchet
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- wheel
- crossbeam
- support frame
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Abstract
The utility model discloses a ratchet driven toy four-wheel car, include: the device comprises a cross beam, an end rod, a rear wheel and a front wheel; crossbeam one end is connected with the end pole, and the crossbeam is as connecting the basis, end pole end connection has the rear wheel, the crossbeam top is connected with the saddle, the crossbeam other end is connected with the support frame, support frame one side is connected with the handrail, the support frame below is provided with the front driving wheel. Drive the pawl through the linkage board, promote the ratchet and drive the front wheel and remove, moreover, the steam generator is simple in structure, the motion is comparatively reliable, idle running phenomenon can not appear, through manual rotatory T type handle, it is rotatory to drive two-way threaded rod, when two-way threaded rod is rotatory, can promote two sets of extension boards and outwards remove simultaneously, and slide along the slide rail through the slide, it is more stable when making to remove, and then change the interval between rear wheel and the front wheel, thereby change whole length, adapt to the child of different heights.
Description
Technical Field
The utility model relates to a toy four-wheel car technical field specifically is a ratchet driven toy four-wheel car.
Background
The toy quadricycle, mainly refer to children can drive the toy car that can sit by oneself, the existing toy quadricycle still has certain defect while using, for example;
because the toy four-wheel car is mostly to drive riser direct drive gyro wheel through the pedal and remove, after using for a long time, the phenomenon of idle running appears easily, when pedal atress promptly, only can self take place to rotate, can't drive the gyro wheel and remove, and the toy four-wheel car can't adjust whole length according to child's height, and when the higher child of height was using, the shank was crooked too big, and the travelling comfort is relatively poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a ratchet driven toy four-wheel car to solve the toy four-wheel car on the existing market that above-mentioned background art provided, after long-time the use, the phenomenon of idle running appears easily, and can not adjust the length of self, the higher child's of adaptation height problem.
In order to achieve the above object, the utility model provides a following technical scheme: a ratchet driven toy wagon, comprising: the device comprises a cross beam, an end rod, a rear wheel and a front wheel;
crossbeam one end is connected with the end pole, and the crossbeam is as connecting the basis, end pole end connection has the rear wheel, the crossbeam top is connected with the saddle, the crossbeam other end is connected with the support frame, support frame one side is connected with the handrail, the support frame below is provided with the front driving wheel.
Preferably, the cross member includes: lead to groove, slide rail, slide, extension board, screw hole, two-way threaded rod, bearing frame, driven bevel gear, drive bevel gear, T type handle, cavity baffle, it leads to the groove to have seted up in the crossbeam, it is connected with the slide rail to lead to on the inslot wall, sliding connection has the slide in the slide rail, slide one side is connected with the extension board, the extension board sets up at logical inslot, extension board one end is connected in support frame one side.
Preferably, a threaded hole is formed in the extension plate, a bidirectional threaded rod is connected to the threaded hole in an inner threaded manner and is connected to the bearing block, and the bearing block is connected to the bottom of the through groove.
Preferably, a driven bevel gear is embedded and connected to the bidirectional threaded rod, a driving bevel gear is meshed and connected to one side of the driven bevel gear, a T-shaped handle is connected to the back of the driving bevel gear, and the T-shaped handle is connected in the through groove in a penetrating manner;
the cavity baffle is connected extend the panel other end, and cavity baffle block connects and leads to the inslot.
Preferably, the extension plates, the threaded holes and the middle baffle plate are symmetrically provided with two groups about the central axis of the bidirectional threaded rod, and the end part of the other group of extension plates is connected to the end rod.
Preferably, support frame bottom one end is connected with the sleeve, a butt joint section of thick bamboo is connected in the sleeve, run through in the butt joint section of thick bamboo and be connected with the external screw thread guiding axle, external screw thread guiding axle tip run through connection is in the ratchet, the ratchet is connected in dysmorphism inslot, dysmorphism groove is seted up in the gangboard bottom.
Preferably, the ratchet wheel is engaged with a pawl on the outer peripheral surface, the pawl is connected to the upper part inside the special-shaped groove, and the end part of the external thread guide shaft is connected with a nut in a threaded manner.
Preferably, one side of the top of the linkage plate is connected with a pedal, the other end of the external thread guide shaft is connected with a gasket, and the gasket is connected to one side of the front driving wheel.
Compared with the prior art, the beneficial effects of the utility model are that: drive the pawl through the linkage board, it drives the front driving wheel and removes to promote the ratchet, moreover, the steam generator is simple in structure, the motion is comparatively reliable, idle running's phenomenon can not appear, through manual rotatory T type handle, it is rotatory to drive two-way threaded rod, when two-way threaded rod is rotatory, can promote two sets of extension boards and outwards remove simultaneously, and slide along the slide rail through the slide, it is more stable when making the removal, and then change the interval between rear wheel and the front driving wheel, thereby change whole length, adapt to the child of different heights, concrete content is as follows:
1. when the pedals are stepped, the pedals drive the linkage plate to rotate, the linkage plate drives the pawls to rotate, the pawls push the ratchet wheels to rotate so as to drive the front driving wheels to rotate, and the front driving wheels are driven to rotate by the ratchet wheels, so that the structure is relatively stable, and the phenomenon of idling cannot easily occur;
2. manual rotation T type handle drives two-way threaded rod rotatory, and when two-way threaded rod was rotatory, two sets of extension boards can promote end bar and support frame outwards to remove respectively, and then adjusts the whole length of this toy four-wheel car to the interval between adjustment saddle and the pedal, thereby can adapt to different height children's demand.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the structure of the two-way threaded rod of the present invention;
FIG. 3 is a schematic view of the structure of the external thread guide shaft of the present invention;
fig. 4 is an enlarged view of the part a structure of the present invention.
In the figure: 1. a cross beam; 101. a through groove; 102. a slide rail; 103. a slide plate; 104. a stretching plate; 105. a threaded hole; 106. a bidirectional threaded rod; 107. a bearing seat; 108. a driven bevel gear; 109. a drive bevel gear; 110. a T-shaped handle; 111. a hollow baffle; 2. an end rod; 3. a rear wheel; 4. a vehicle seat; 5. a support frame; 6. a handrail; 7. a sleeve; 8. a docking barrel; 9. an externally threaded guide shaft; 10. a ratchet wheel; 11. a special-shaped groove; 12. a linkage plate; 13. a pawl; 14. a nut; 15. pedaling; 16. a gasket; 17. a front driving wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a ratchet driven toy wagon, comprising: a beam 1, an end rod 2, a rear wheel 3 and a front wheel 17;
crossbeam 1 one end is connected with end rod 2, and crossbeam 1 is as connecting the basis, and 2 end connection of end rod have rear wheel 3, and crossbeam 1 top is connected with saddle 4, and the crossbeam 1 other end is connected with support frame 5, and support frame 5 one side is connected with handrail 6, and support frame 5 below is provided with front driving wheel 17.
The cross member 1 includes: through groove 101, slide rail 102, slide plate 103, extension board 104, screw hole 105, two-way threaded rod 106, bearing frame 107, driven bevel gear 108, drive bevel gear 109, T type handle 110, cavity baffle 111, through groove 101 has been seted up in the crossbeam 1, be connected with slide rail 102 on the through groove 101 inside wall, sliding connection has slide plate 103 in slide rail 102, slide plate 103 one side is connected with extension board 104, extension board 104 sets up in through groove 101, extension board 104 one end is connected in support frame 5 one side. Screw hole 105 is provided in extension board 104, and screw hole 105 internal threaded connection has two-way threaded rod 106, and two-way threaded rod 106 is connected in bearing frame 107, and bearing frame 107 is connected in logical groove 101 bottom, through bearing frame 107, and is more stable when making two-way threaded rod 106 rotatory. A driven bevel gear 108 is embedded and connected onto the bidirectional threaded rod 106, one side of the driven bevel gear 108 is meshed and connected with a driving bevel gear 109, the back of the driving bevel gear 109 is connected with a T-shaped handle 110, the T-shaped handle 110 is connected into the through groove 101 in a penetrating mode, a hollow baffle 111 is connected to the other end of the extension plate 104, the hollow baffle 111 is connected into the through groove 101 in a clamping mode, the extension plate 104 is limited through the hollow baffle 111, and the extension plate 104 is prevented from being pushed out of the through groove 101. The extension board 104, screw hole 105 and hollow baffle 111 are provided with two sets of about the central axis symmetry of two-way threaded rod 106, and another set of extension board 104 end connection is on end bar 2, make two sets of extension boards 104, can be when two-way threaded rod 106 is rotatory, outwards remove simultaneously, through manual rotatory T type handle 110, it is rotatory to drive two-way threaded rod 106, promote two sets of extension boards 104 outwards removal simultaneously, and then change the interval between rear wheel 3 and the front driving wheel 17, thereby change overall length, adapt to the child of different heights.
The working principle is as follows: as shown in fig. 1-4, a simple understanding of the present device is provided when using the ratchet-driven toy wagon, first, the docking sleeve 8 is inserted into the sleeve 7, then, the external thread guide shaft 9 penetrates through the butt joint barrel 8, then, the ratchet wheel 10 is clamped into the special-shaped groove 11, and the pawl 13 is inserted over the shaped groove 11, while the pawl 13 is inserted into the tooth groove of the ratchet 10, then, one side of the linkage plate 12 is attached to the end part of the sleeve 7, the end part of the external thread guide shaft 9 penetrates through the ratchet wheel 10, the nut 14 is manually screwed at the end part of the external thread guide shaft 9, the linkage plate 12 is locked, similarly, the other group of front driving wheels 17 are installed, secondly, manually rotating the T-shaped handle 110, wherein the T-shaped handle 110 drives the driving bevel gear 109 to rotate, the driving bevel gear 109 drives the driven bevel gear 108 to rotate, the driven bevel gear 108 drives the bidirectional threaded rod 106 to rotate through the bearing seat 107, since the two-way threaded rod 106 is respectively screwed with the two sets of extension plates 104 through the threaded holes 105 at both ends, and the extension plate 104 is slidably coupled to the slide rail 102 by the outer slide plate 103, and therefore, when the bidirectional threaded rod 106 rotates, the two groups of extension plates 104 can respectively push the end rod 2 and the support frame 5 to move outwards, further adjusting the whole length of the toy quadricycle, adjusting the distance between the saddle 4 and the pedals 15, thereby being capable of adapting to the requirements of children with different heights, and finally, when the pedal 15 is stepped on, the pedal 15 drives the linkage plate 12 to rotate, the linkage plate 12 drives the pawl 13 to rotate, the pawl 13 pushes the ratchet 10 to rotate, and further, the front driving wheel 17 is driven to rotate, and the ratchet wheel 10 drives the front driving wheel 17 to rotate, so that the structure is relatively stable, and the phenomenon of idling cannot easily occur.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions of the features of the embodiments described above, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A ratchet driven toy wagon, comprising: the device comprises a crossbeam (1), an end rod (2), a rear wheel (3) and a front wheel (17), and is characterized in that;
crossbeam (1) one end is connected with end pole (2), end pole (2) end connection has rear wheel (3), crossbeam (1) top is connected with saddle (4), crossbeam (1) other end is connected with support frame (5), support frame (5) one side is connected with handrail (6), support frame (5) below is provided with forerunner's wheel (17).
2. The ratchet driven toy wagon of claim 1, wherein: the cross-member (1) comprises: lead to groove (101), slide rail (102), slide (103), extension board (104), screw hole (105), two-way threaded rod (106), bearing frame (107), driven bevel gear (108), drive bevel gear (109), T type handle (110), cavity baffle (111), logical groove (101) have been seted up in crossbeam (1), be connected with slide rail (102) on leading to groove (101) inside wall, sliding connection has slide (103) in slide rail (102), slide (103) one side is connected with extension board (104), extension board (104) set up in leading to groove (101), extension board (104) one end is connected in support frame (5) one side.
3. A ratchet driven toy wagon as claimed in claim 2, wherein: screw hole (105) have been seted up in extension board (104), screw hole (105) female connection has two-way threaded rod (106), two-way threaded rod (106) are connected in bearing frame (107), bearing frame (107) are connected and are led to groove (101) bottom.
4. A ratchet driven toy wagon as claimed in claim 3, wherein: a driven bevel gear (108) is embedded and connected onto the bidirectional threaded rod (106), one side of the driven bevel gear (108) is connected with a driving bevel gear (109) in a meshed mode, the back of the driving bevel gear (109) is connected with a T-shaped handle (110), and the T-shaped handle (110) is connected into the through groove (101) in a penetrating mode;
and the hollow baffle (111) is connected to the other end of the extension plate (104), and the hollow baffle (111) is clamped and connected in the through groove (101).
5. The ratchet driven toy wagon of claim 4, wherein: the extension plates (104), the threaded holes (105) and the hollow baffle (111) are symmetrically provided with two groups about the central axis of the bidirectional threaded rod (106), and the end part of the other group of extension plates (104) is connected to the end rod (2).
6. The ratchet driven toy wagon of claim 1, wherein: support frame (5) bottom one end is connected with sleeve (7), sleeve (7) in-connection has a butt joint section of thick bamboo (8), it is connected with external screw thread guiding axle (9) to run through in a butt joint section of thick bamboo (8), external screw thread guiding axle (9) tip through connection is in ratchet (10), ratchet (10) are connected in dysmorphism groove (11), dysmorphism groove (11) are seted up in linkage plate (12) bottom.
7. The ratchet driven toy wagon of claim 6, wherein: ratchet (10) go up the meshing and be connected with pawl (13) on the peripheral face, pawl (13) are connected in dysmorphism groove (11) inside top, external screw thread guiding axle (9) tip threaded connection has nut (14).
8. The ratchet driven toy wagon of claim 6, wherein: one side of the top of the linkage plate (12) is connected with a pedal (15), the other end of the external thread guide shaft (9) is connected with a gasket (16), and the gasket (16) is connected to one side of a front driving wheel (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222786658.2U CN218357344U (en) | 2022-10-23 | 2022-10-23 | Ratchet wheel driven toy four-wheel vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222786658.2U CN218357344U (en) | 2022-10-23 | 2022-10-23 | Ratchet wheel driven toy four-wheel vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218357344U true CN218357344U (en) | 2023-01-24 |
Family
ID=84932810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222786658.2U Active CN218357344U (en) | 2022-10-23 | 2022-10-23 | Ratchet wheel driven toy four-wheel vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218357344U (en) |
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2022
- 2022-10-23 CN CN202222786658.2U patent/CN218357344U/en active Active
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