TW201932171A - Toy wheel and crawler-type transmission device including a plurality of toy wheels and a plurality of soft crawlers - Google Patents

Abstract

A crawler-type transmission device is suitable for being mounted on a toy carrier, wherein the crawler-type transmission device includes a plurality of toy wheels and a plurality of soft crawlers. Each of the toy wheels includes a gear and a driving group. The gear includes a plurality of engaging teeth disposed at a first tooth pitch. The driving group includes a plurality of latching members which are annularly disposed at a second tooth pitch that is greater than the first tooth pitch and interlaced with the engaging teeth. The soft crawlers are connected in series and surround the toy wheels in a closed manner, each of the crawlers includes a plurality of running portions, a plurality of linking portions, a joint portion, and a fastening portion, wherein the linking portions are detachably engaged with and driven by the latching members of the toy wheels, the engaging portion is provided with an embedding slot, and the joint portion is detachably embedded in the embedding slot of another crawler.

Description

Toy wheel and track drive

The invention relates to a driving mechanism for a toy, in particular to a toy wheel and a crawler type transmission device.

The combination of toys on the market can be used as a transportation tool for toy cars, toy tanks, toy trains, etc. through the assembly of various parts. It not only enhances children's creativity, but also stimulates children's brain power and is deeply loved by the public. . However, the existing toy gear can only be used to mesh with another toy gear to achieve a single function of the transmission, which is relatively tedious and cannot effectively stimulate the imagination of the child. Therefore, a multifunctional toy wheel is highly desirable in the market.

Accordingly, it is an object of the present invention to provide a multifunctional toy wheel.

Thus, the toy wheel of the present invention is suitable for mounting on a drive shaft of a toy carrier, the toy wheel comprising a wheel body, a gear, and a driving group.

The wheel body includes an inner ring wall and an outer ring wall spaced from the inner ring wall, the inner ring wall surrounding an axis and defining a shaft hole for connection with the drive shaft. The gear includes a connecting ring disposed around the outer ring wall, and a plurality of engaging teeth extending along the axial direction and disposed on the connecting ring at a first pitch. The driving group includes a plurality of latching members extending along the axial direction and equidistantly disposed on the outer ring wall with a second pitch. The second pitch is greater than the first pitch, and the latching members are The length in the direction of the axis is greater than the length of the bite teeth in the direction along the axis and staggered with the bite teeth.

Another object of the present invention is to provide a track type transmission.

Thus, the tracked transmission of the present invention is adapted for mounting on a toy carrier that includes a plurality of toy wheels and a plurality of soft tracks.

Each toy wheel includes a wheel body, a gear, and a driving group. The wheel body includes an inner ring wall and an outer ring wall spaced from the inner ring wall, the inner ring wall surrounding an axis and defining a shaft bore for axially engaging the toy carrier. The gear includes a connecting ring disposed around the outer ring wall, and a plurality of engaging teeth extending along the axial direction and disposed on the connecting ring at a first pitch. The driving group includes a plurality of latching members extending along the axial direction and equidistantly disposed on the outer ring wall with a second pitch. The second pitch is greater than the first pitch, and the latching members are The length in the direction of the axis is greater than the length of the bite teeth in the direction along the axis and staggered with the bite teeth.

The flexible tracks are connected in series and enclosed in a closed manner around the toy wheels, each track comprising a first end segment, a second end segment that is opposite to the first end segment in a length direction, An outer belt surface connected to the first end section and the second end section and oppositely disposed, and an inner belt surface, and a plurality of outer belt surfaces are equally spaced apart from the outer belt surface and extend in a width direction a running portion, a plurality of interlocking portions disposed on the inner belt surface at equal intervals in the longitudinal direction, a joint portion disposed at the first end portion, and a fastening portion disposed at the second end portion, The width direction is substantially perpendicular to the length direction, and the interlocking portions are detachably engaged with and driven by the latching members of the toy wheels, and the engaging portion has a walking portion located at two adjacent portions And extending from the inner belt surface to the outer belt surface and then extending to a recess of one of the running portions, the fastening portion being engaged with the recessed groove of the adjacent another crawler belt and detachably engaging the other The engaging groove of the crawler belt, the fastening portion has an insert extending along the length direction, and a a block extending along the width direction, the length of the block in the width direction being smaller than the length of the running portion in the width direction, the block of the fastening portion being the inner band of the other track The inserting groove of the other crawler belt abuts against the outer belt surface of the other crawler belt, and the insert of the fastening portion is received in the recessed groove of the other crawler belt.

The utility model has the advantages that: in addition to forming the crawler belt transmission through the driving group of each toy wheel and the crawler belts, the engaging teeth of each toy wheel can be engaged with other gear members and form a kind of The gear transmission mechanism can also be used as a general wheel to be mounted on a toy vehicle and used for traveling. Therefore, the toy wheel of the present invention has a multifunctional use.

Before the present invention is described in detail, it should be noted that the relative positional terms used in the following description, such as "front and rear", "left and right", "up and down", are based on the normal orientation of the user holding the present invention.

Referring to Figures 1 and 2, an embodiment of the track-type transmission of the present invention is suitable for mounting on a toy carrier 1 having a plurality of drive shafts 11, the track-type transmission 2 comprising a plurality of toy wheels 3, and a plurality of Soft track 4.

Referring to FIGS. 3-6, each of the toy wheels 3 includes a wheel body 31, a gear 32, and a driving group 33. The wheel body 31 includes an inner ring wall 311, an outer ring wall 312 spaced from the inner ring wall 311, and a plurality of support ribs 313 disposed equidistantly between the inner ring wall 311 and the outer ring wall 312. And a plurality of equally spaced spacers 314 disposed on the inner ring wall 311. The inner ring wall 311 has an inner annular surface 3111 surrounding an axis X and defining a shaft hole 315, an outer annular surface 3112 opposite to the inner annular surface 3111, and two spaced apart and connected to the inner annular surface. 3111 and an end surface 3113 of the outer annular surface 3112, the shaft hole 315 is used for axial connection with one of the driving shafts 11 of the toy carrier 1. In the embodiment, one end surface 3113 of the inner ring wall 311 is along the axis. The outer ring wall 312 is projected in the X direction, whereby when the present invention is combined, the toy carrier 1 can be spaced apart to allow each of the toy wheels 3 to smoothly roll. The outer ring wall 312 has an inner wall surface 3112 facing the inner ring wall 311 and an outer wall surface 3122 opposite to the inner wall surface 3121. Preferably, the support ribs 313 are equally spaced from the outer ring. The surface 3112 extends to the outer ring wall 312 and is hollow. Through the arrangement of the supporting ribs 313, the structural strength of each of the toy wheels 3 can be maintained and the overall weight of each of the toy wheels 3 can be reduced, in this embodiment. In the other variations, the number of the support ribs 313 may be two, three, four, or six or more. The locking protrusions 314 extend along the axis X direction and are equally spaced apart from the inner ring surface 3111 and are used for embedding with one of the driving shafts 11 of the toy carrier 1 , thereby increasing the mutual strength of each other. And effectively avoid slippage.

The gear 32 includes a connecting ring 321 disposed around the outer ring wall 312, and a plurality of engaging teeth 322 extending along the axis X direction and disposed on the connecting ring 321 at a first pitch P1. The connecting ring 321 of the gear 32 has a partition portion 3211 extending radially outward from the outer wall surface 3122 of the outer ring wall 312 and surrounding the entire circumference, and a base portion 3212 located at the outer edge of the partition portion 3211. 322 is located on the base 3212 and disposed opposite the spacer 3211.

The driving group 33 includes a plurality of latching members 331 extending along the X direction of the axis and equidistantly disposed on the outer ring wall 312 by a second pitch P2. The second pitch P2 is greater than the first pitch P1. The length D1 of the latching members 331 in the direction along the axis X is greater than the length D2 of the latching teeth 322 in the direction along the axis X and is staggered with the engaging teeth 322. Preferably, the cards are The jaw 331 protrudes symmetrically from the engaging teeth 322 in the X direction along the axis. In this embodiment, the number of the latching members 331 is five, the number of the latching teeth 322 is forty, and the ratio of the number of the latching teeth 322 to the number of the latching members 331 is an integer. Therefore, the arrangement of the visual effects is orderly, but in other variations, the number of the latching members 331 can be six or more, and the number of the engaging teeth 322 is adjusted to match the latching members 331 to A multiple of the number of such cards can be used. Preferably, each of the latch members 331 extends radially outward from the outer wall surface 3122 of the outer ring wall 312 and passes through the connecting ring 321 and terminates on the top surface of the one of the engaging teeth 322, so that each card The jaw 331 spans one of the engaging teeth 322 and is integrated with the one of the engaging teeth 322. Thus, the structural strength of the latching members 331 can be improved, and the durability is better.

Referring to Figures 1, 7, and 8, the soft crawlers 4 are connected in series and enclosed in a closed manner around the toy wheels 3. In the present embodiment, the crawlers can be made of soft rubber or plastic. It has good flexibility and can be bent at will.

Each track 4 includes a first end section 41, a second end section 42 that is opposite to the first end section 41 in a length direction L, and is coupled to the first end section 41 and the second end section 42. And an outer strip surface 43 and an inner strip surface 44 disposed oppositely, and two spaced apart and extending along the length direction L and connected to the side edges 45 of the first end section 41 and the second end section 42. Each of the crawler belts 4 further includes a plurality of running portions 46 disposed at equal intervals in the longitudinal direction L on the outer belt surface 43, and a plurality of interlocking portions 47 disposed equidistantly spaced apart from the inner belt surface 44 in the longitudinal direction L. a joint portion 48 disposed at the first end portion 41, two engaging portions 49 disposed at the second end portion 42, and a plurality of walking through the outer belt surface 43 and the inner belt surface 44 and walking therewith Portions 46 are spaced apart openings 40. The pitch of the running portions 46 is substantially equal to the pitch of the interlocking portions 47, and is aligned in the longitudinal direction L. Preferably, each of the running portions 46 extends from a side edge 45 thereof in a width direction W to The other side edge 45 has a width direction W substantially perpendicular to the length direction L. The interlocking portions 47 are detachably engaged with the latching members 331 of the toy wheels 3 and are driven by the latching members 331. In this embodiment, the linking portions 47 are frustoconical cylinders. And arranged in two rows along the length direction L, and spaced apart from the width direction W by an interval D3, wherein the one row of the linking portions 47 are adjacent to one of the side edges 45, and the other rows of the linking portions 47 are adjacent to The other side edge 45 has a distance greater than the length D2 of the bite teeth 322 of the toy wheel 3 in the direction of the axis X (see Fig. 5).

Referring to FIG. 7, FIG. 9, FIG. 10, the joint portion 48 has two recessed grooves 481, and the number of the recessed grooves 481 is corresponding to the number of the engaging portions 49, and each of the inserting grooves 481 is located at two adjacent walking positions. The portion 46 extends from the inner belt surface 44 to the outer belt surface 43 and then extends to one of the running portions 46, and the fitting grooves 481 communicate with each other. Preferably, the fitting grooves 481 of the joint portions 48 are formed. The length D4 in the width direction W is greater than the length D5 of the openings 40 in the width direction W.

Referring to FIG. 9, each of the engaging portions 49 has a block 491 extending in the longitudinal direction L, and a block 492 extending from the block 491 in the width direction W. The block 491 is in the width direction W. The length on the upper portion is smaller than the length of the running portion 46 in the width direction W.

Referring to FIG. 11 , FIG. 12 and FIG. 13 , the fastening portions 49 are engaged with the insertion grooves 481 of the other crawler belt 4 and are detachably engaged with the insertion grooves 481 of the other crawler belt 4 . The blocks 492 of the joint portion 49 are passed by the inner belt surface 44 of the other crawler belt 4 to the outer belt surface 43 of the other crawler belt 4 and then abut against the outer belt surface 43 of the other crawler belt 4, and The inserts 491 of the fastening portions 49 are received in the recesses 481 of the other crawler belt 4 such that the inserts 491 of the fastening portions 49 and the inner belt surface 44 of the other crawler belt 4 are substantially On the flush.

It should be particularly noted that in other variations of the embodiment, the number of the engaging portions 49 of each of the crawler belts 4 can also be one, and the number of the fitting grooves 481 matching the engaging portion 48 is one. It also has the function of enabling the two crawlers 4 to be connected in series with each other.

Thereby, as shown in FIG. 1, when the crawler belts 4 are connected in series with each other and then bent around the toy wheels 3, the inner belt faces 44 of the crawler belts 4 are flush, and the crawler belts 4 are such The running portions 46 and the interlocking portions 47 of the crawler belts 4 can maintain the same pitch to ensure smoothness during transmission.

Referring to FIG. 5, in other variations of the embodiment, the latching member 331 of each of the toy wheels 3 may be composed of two stops (not shown), and the stops do not span one of the latches. The teeth 322 are located on either side of the one of the engaging teeth 322, respectively, and also have a function of detachably engaging the interlocking portions 47 (see Fig. 1).

Referring to FIG. 14, thereby, when two sets of the crawler belt transmission 2 of the present invention are applied to the toy carrier 1' assembled in a dune racing car, the drive shafts 11' of the toy carrier 1' are mounted on the toy carrier 1' A motor (not shown) of the toy carrier 1' drives the toy wheels 3 to rotate synchronously, and the latches 331 of the toy wheels 3 push the linking portions 47 of the crawler belts 4 and interlock the same When the crawler belt 4 is rotated, the toy carrier 1' can be moved forward or backward.

As shown in FIG. 15, each of the toy wheels 3 can also be used in cooperation with one of the crawlers 4, respectively, and one of the crawlers 4 is wrapped around the outside of the toy wheel 3, and the interlocking portions of the crawler belt 4 are 47 and the latching members 331 of the toy wheel 3 are positioned with each other, and the engaging portion 48 (see FIG. 12) of the crawler belt 4 and the engaging portion 49 (see FIG. 12) are mutually inserted. It can be combined into a wheel assembly and the four wheel assembly applications can be combined with the drive shaft 11' of the toy carrier 1' of a four-wheeled off-road vehicle to drive the toy carrier 1' to move. In another variation of this application type, the track 4 can also be omitted, and the toy wheel 3 can be directly used as a wheel and assembled to the toy carrier 1'.

As shown in Fig. 16, the toy wheels 3 can also be used independently and used as a gear assembly, and a gear transmission mechanism can be formed by intermeshing the gears of each of the toy wheels 3 with the other gear members 9.

Through the above description, the advantages of the present invention can be summarized as follows:

1. In addition to being able to be combined with the crawler belts 4 to form the crawler belt transmission 2, the toy wheel 3 of the present invention can also be meshed with other gear members 9 by the gears 32 to form a gear transmission mechanism, and can also be used as a gear transmission mechanism. A general wheel is mounted to the toy carrier 1' and used for traveling. Therefore, the toy wheel 3 of the present invention has a multifunctional use, which can stimulate children's imagination and judgment, and enhances fun.

2. The crawler belt transmission device 2 of the present invention can pass the crawler belts 4 to each other through the joint portion 48 of the crawler belts 4 and the fastening portions 49, which is convenient to use and is connected in series. The inner belt surface 44 of the crawler belt 4 is flush and has no height difference, and therefore, the transmission operation of the crawler belt transmission 2 is relatively smooth.

3. By the arrangement of the openings 40 of each of the crawlers 4, each of the crawlers 4 can be made softer and more easily bent, and the operability is better.

However, the above is only the embodiment of the present invention, and the scope of the invention is not limited thereto, and all the simple equivalent changes and modifications according to the scope of the patent application and the patent specification of the present invention are still Within the scope of the invention patent.

1‧‧‧ toy carrier

1’‧‧‧ toy carrier

11‧‧‧Drive shaft

11'‧‧‧ drive shaft

2‧‧‧ Tracked transmission

3‧‧‧ toy wheel

31‧‧‧ Wheel body

311‧‧‧ Inner Ring Wall

3111‧‧‧ Inner torus

3112‧‧‧Outer Torus

3113‧‧‧ end face

312‧‧‧ outer ring wall

3121‧‧‧ inner wall

3122‧‧‧ outer wall

313‧‧‧Support ribs

314‧‧‧Inset convex

315‧‧‧Axis hole

32‧‧‧ Gears

321‧‧‧Connecting ring

3211‧‧‧Interval

3212‧‧‧ base

322‧‧‧Bite teeth

33‧‧‧Drive group

331‧‧‧ Cards

4‧‧‧ Tracks

40‧‧‧ openings

41‧‧‧First end segment

42‧‧‧second end

43‧‧‧Outer surface

44‧‧‧Inside

45‧‧‧lateral edge

46‧‧‧ Walking Department

47‧‧‧ linkage department

48‧‧‧ joints

481‧‧‧ slotted

49‧‧‧Deduction Department

491‧‧‧Block

492‧‧‧ card block

9‧‧‧ Gear parts

X‧‧‧ axis

L‧‧‧ Length direction

W‧‧‧Width direction

D1‧‧‧ length

D2‧‧‧ length

D3‧‧‧ interval

D4‧‧‧ length

D5‧‧‧ length

P1‧‧‧first pitch

P2‧‧‧Second pitch

Other features and advantages of the present invention will be apparent from the following description of the drawings, wherein: Figure 1 is a perspective view showing an embodiment of the crawler belt transmission of the present invention mounted on a toy carrier; Is a partially exploded perspective view of the embodiment and the toy carrier; Fig. 3 is a perspective view of a toy wheel of the embodiment; Fig. 4 is a view similar to Fig. 3, but viewed from another angle; Figure 6 is a front view taken from Figure 3; Figure 7 is a perspective view of a crawler belt of the embodiment; Figure 8 is a view similar to Figure 7, but from another angle Figure 9 is a plan view taken from Figure 7; Figure 10 is an incomplete cross-sectional view taken along line XX in Figure 9; Figure 11 is an incomplete perspective view showing two of the embodiment The tracks are connected in series with each other; Fig. 12 is a view similar to Fig. 11, but viewed from another angle; Fig. 13 is an incomplete cross-sectional view taken along line XIII-XIII in Fig. 11; Fig. 14 is the embodiment The first application form of the example, illustrating that the embodiment is The toy carrier installed in a dune racing car; FIG. 15 is a second application form of the embodiment, illustrating that the four toy wheels are combined with four of the tracks into a wheel set and mounted on a four-wheeled off-road vehicle. The toy carrier of FIG. 16 and FIG. 16 are a third application form of the embodiment, illustrating that the two toy wheels and a gear set mesh with each other to form a gear transmission mechanism.

Claims (10)

A toy wheel adapted to be mounted on a drive shaft of a toy carrier, the toy wheel comprising: a wheel body including an inner ring wall and an outer ring wall spaced from the inner ring wall, the inner ring wall surrounding The axis defines a shaft hole for connecting to the drive shaft; a gear includes a connecting ring disposed around the outer ring wall, and a plurality of extending along the axis direction and disposed at a first pitch a latching tooth on the connecting ring; and a driving group comprising a plurality of latching members extending along the axis direction and equidistantly disposed on the outer ring wall by a second pitch, the second pitch being greater than the first At a pitch, the length of the latch members in the direction along the axis is greater than the length of the latch teeth in the direction along the axis and staggered with the snap teeth. The toy wheel according to claim 1, wherein the outer ring wall has an inner wall surface facing the inner ring wall, and an outer wall surface opposite to the inner wall surface, the connecting ring of the gear has an outer ring An outer wall surface of the wall extending radially outwardly and a circumferentially surrounding partition portion, and a base portion located at an outer edge of the spacer portion, the bite teeth being located on the base portion and disposed opposite to the spacer portion, the latching members The teeth are symmetrically projected in the direction of the axis. The toy wheel of claim 2, wherein each of the latching members spans one of the engaging teeth and is integral with the one of the engaging teeth, and the ratio of the number of the engaging teeth to the number of the latching members is an integer . The toy wheel according to claim 1, wherein the inner ring wall has an inner annular surface surrounding the shaft hole, an outer annular surface opposite to the inner annular surface, and two spaced and connected An inner ring surface and an end surface of the outer ring surface, wherein one end surface of the inner ring wall protrudes from the outer ring wall along the axial direction. The toy wheel of claim 1, wherein the inner ring wall has an inner annular surface surrounding the shaft hole and an outer annular surface opposite to the inner annular surface, the wheel body further comprising a plurality of Supporting ribs disposed on the outer annular surface and extending to the outer annular wall, and a plurality of locking projections extending in the axial direction and equidistantly spaced from the inner annular surface. A crawler type transmission device suitable for being mounted on a toy carrier, the crawler belt transmission comprising: a plurality of toy wheels, each of the toy wheels comprising: a wheel body including an inner ring wall, and a space spacing from the inner ring wall An outer ring wall surrounding an axis and defining a shaft hole for axially engaging the toy carrier; a gear including a connecting ring disposed around the outer ring wall, and a plurality of a biting tooth extending in the axial direction and disposed on the connecting ring at a first pitch; and a driving group comprising a plurality of extending along the axis direction and equidistantly disposed on the outer ring wall by a second pitch a clamping member, the second pitch is greater than the first pitch, and the length of the latches in the direction of the axis is greater than the length of the engaging teeth in the direction of the axis and is staggered with the engaging teeth And a plurality of soft crawlers that are connected in series and enclosed in a closed manner around the toy wheels, each crawler including a first end segment, a second opposite to the first end segment in a length direction An end segment connected to the first end segment and the second end segment a plurality of outer belt surfaces and an inner belt surface are disposed at an equidistant distance from the outer belt surface and extending in a width direction, and the plurality of running portions are equally spaced apart in the longitudinal direction. The interlocking portion of the inner belt surface, a joint portion disposed at the first end portion, and a fastening portion disposed at the second end portion, the width direction is substantially perpendicular to the length direction, and the linkage portion is The detachment ground is engaged with and driven by the latching members of the toy wheels, and the engaging portion has a space between the two adjacent running portions and extends from the inner belt surface to the outer belt surface a recessed portion of one of the running portions, the engaging portion is fitted and detachably fitted to the recessed groove of the other crawler belt, and the engaging portion has a length along the length a direction extending insert, and a block extending from the insert in the width direction, the length of the insert in the width direction being less than the length of the running portion in the width direction, the card of the fastening portion After the block passes the inner band of the other track out of the groove of the other track Abutting the outer belt surface of the other crawler belt, and the insert of the fastening portion is received in the recessed groove of the other crawler belt. The track-type transmission device of claim 6, wherein each of the crawler belts further includes two side edges spaced apart and extending along the length direction, and the linking portions of each track are arranged in two rows along the length direction. The one of the rows of the interlocking portions is adjacent to one of the side edges, and the other of the rows of the linking portions are adjacent to the other side edge. The crawler belt transmission of claim 7, wherein the spacing of the running portions of each track is substantially equal to the spacing of the linking portions. The crawler belt transmission of claim 6, wherein each of the crawler belts further includes a plurality of openings extending through the outer belt surface and the inner belt surface and spaced apart from the running portions, and the openings are in the width direction The length is smaller than the length of the groove of the joint portion in the width direction. The crawler belt transmission of claim 6, wherein the insert of the fastening portion is substantially flush with the inner belt surface of the other track.