CN214436511U - Transmission shaft building block and building block assembly - Google Patents
Transmission shaft building block and building block assembly Download PDFInfo
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- CN214436511U CN214436511U CN202120425804.1U CN202120425804U CN214436511U CN 214436511 U CN214436511 U CN 214436511U CN 202120425804 U CN202120425804 U CN 202120425804U CN 214436511 U CN214436511 U CN 214436511U
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Abstract
The utility model provides a transmission shaft building block and building block assembly, which comprises a first transmission shaft body, wherein the two ends of the first transmission shaft body are respectively provided with a first building block splicing head and a second building block splicing head, and one or both of the first building block splicing head and the second building block splicing head are provided with splicing transmission grooves; first transmission axis body is provided with concatenation transmission hole along axial direction, concatenation transmission hole allows concatenation second transmission axis body, wherein, the diameter of axle of second transmission axis body is less than the diameter of axle of first transmission axis body, the utility model discloses a transmission shaft building blocks can realize the transmission function of driving medium such as gear class, screw thread class, can enough realize in installation piece building blocks homonymy transmission or non-homonymy transmission, can ingenious again realize inside driven function with the driving medium setting in the inside of building blocks, has richened the playing method of building blocks concatenation, and the concatenation style is various, has increased the interest of building blocks concatenation.
Description
Technical Field
The utility model relates to a building blocks technical field specifically, relates to a transmission shaft building blocks and building blocks subassembly.
Background
The building blocks are toys which can be used for splicing physical models in modes of stacking, arranging and the like, creativity and imagination can be cultivated through application of hands and brains, the shapes of the existing building blocks are changeable, and therefore players can combine building blocks with different shapes to combine more complicated physical objects.
The existing building block toy is mostly static assembly, the building blocks which can be assembled in a transmission mode are few, the electric toy can realize transmission, but the assembling performance of the building block toy is lacked, and therefore certain limitation exists. Various building blocks taking mechanical transmission as design elements appear in the market, the building blocks can exercise the logic thinking ability of children, but the existing mechanical building blocks are simple in structure and single in change, and cannot meet the requirements.
Patent document CN206434871U discloses a building block set connected via a sleeve, comprising: the device comprises a first beam assembly, a second beam assembly, a bolt assembly and an extension shaft sleeve; the first beam assembly is provided with a first jack, and the second beam assembly is provided with a second jack; when the building block set is assembled, the extension shaft sleeve is sleeved on the plug pin assembly, the first end of the plug pin assembly is inserted into the first insertion hole of the first beam assembly, the second end of the plug pin assembly is inserted into the second insertion hole of the second beam assembly, the extension shaft sleeve is located between the first beam assembly and the second beam assembly, the design does not have a transmission function, and the structural design is unreasonable.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a transmission shaft building blocks and building blocks subassembly.
According to the utility model, the transmission shaft building block comprises a first transmission shaft body, wherein a first building block splicing head and a second building block splicing head are respectively arranged at two ends of the first transmission shaft body;
one or both of the first building block splicing head and the second building block splicing head is/are provided with a splicing transmission groove;
the first transmission shaft body is provided with a splicing transmission hole along the axial direction, the splicing transmission hole allows a second transmission shaft body to be spliced, and the diameter of the second transmission shaft body is smaller than that of the first transmission shaft body.
Preferably, the splicing transmission grooves on the first building block splicing head and the second building block splicing head are communicated and form a linear groove.
Preferably, the blocking rib extends outwards along the circumferential direction of the first transmission shaft body along the radial direction and is arranged between the first building block splicing head and the second building block splicing head.
Preferably, the first building block splicing head is a variable-diameter head, and a limit edge is arranged at the free end of the first building block splicing head; and/or
The second building block splice is a variable diameter head and the free end of the second building block splice is provided with a limiting edge.
Preferably, the splicing transmission groove on the variable-diameter head extends inwards from the end part of the free end of the first transmission shaft body along the length direction to form a groove.
According to the utility model provides a pair of building blocks assembly adopts transmission shaft building blocks, including following any kind or arbitrary multiple building blocks:
-a building block, on which a female head and/or a double female head are provided, both allowing splicing of the first transmission shaft body;
-a building block gear provided with a gear through hole allowing the first transmission shaft to be spliced and a gear boss matching the splicing transmission groove;
-an externally threaded building set, the circumference of which is provided with an external thread, which is capable of driving-fitting with a building gear, the interior of the externally threaded building set being provided with a building set through-hole allowing splicing of the first driving shaft body and a set inner hole boss matching the splicing driving groove in an axial direction;
-a second transmission shaft body.
Preferably, a first splicing position and a second splicing position are arranged in the building block, the first splicing position and the second splicing position can be used for respectively splicing two first transmission shaft bodies, and transmission with different transmission ratios can be realized through the two first transmission shaft bodies.
Preferably, on one of the building blocks, when one splicing head of the first transmission shaft body is spliced to the building block, the other splicing head of the first transmission shaft body can splice the first building block gear;
when one splicing head of the second first transmission shaft body is spliced to the building block, the other splicing head of the second first transmission shaft body can splice a second building block gear;
the first building block gear and the second building block gear can be in parallel transmission fit or transmission fit arranged at an included angle.
Preferably, the inside of building block is provided with building block concatenation space, building block concatenation space allows simultaneously the installation splice to one building block gear on the first transmission shaft body and splice to another external screw thread building block external member on the first transmission shaft body, wherein, two the both ends of first transmission shaft body all with the building block concatenation, building block gear with external screw thread building block external member transmission fit.
Preferably, when the second transmission shaft body is spliced to the first transmission shaft body, one end or both ends of the second transmission shaft body extend to the outside of the end face of the first transmission shaft body.
Preferably, the end portion of the second transmission shaft body allows the building gear having the small-aperture splicing structure to be spliced, and the end portion of the first transmission shaft body allows the building gear having the large-aperture splicing structure to be spliced.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model provides a transmission shaft building blocks simple structure has multiple concatenation function.
2. The utility model discloses a transmission shaft building blocks can realize the transmission function of driving medium such as gear class, screw thread class, can enough realize installing a building blocks homonymy transmission or non-homonymy transmission, can be ingenious again realize inside driven function with the driving medium setting in the inside of building blocks, richened the playing method of building blocks concatenation, the concatenation style is abundant, increased the interest of building blocks concatenation, can cultivate building blocks fan to mechanical transmission's interest in learning.
3. The utility model discloses transmission shaft building blocks are provided with the building blocks through-hole, can realize the connection of a plurality of transmission shaft building blocks through the building blocks connecting piece, change the transmission length and the transmission structure of transmission shaft, for the building blocks transmission concatenation provides more spatial arrangement forms, are favorable to building blocks fan to expand imagination.
4. The utility model provides a variable diameter head both can regard as the splice of building blocks gear, can splice the support carrier as the driving medium in the female head on the building block again, has realized multiple concatenation function.
5. The utility model provides a transmission building blocks can be applied to classroom teaching as the building blocks teaching aid, helps the driven principle of better understanding of student, promotes the classroom effect, increases the interest of classroom study.
6. The utility model provides a building block can realize the transmission of two-way different drive ratios through the first transmission shaft body of concatenation, has richened the pattern of building blocks concatenation.
7. The utility model discloses a structure of transmission shaft and the combination of piece together the mode can realize the extension to the transmission shaft, satisfy the demand of different concatenation styles.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic view of a three-dimensional structure of a transmission shaft building block in one direction in embodiment 2 of the present invention;
fig. 2 is a schematic perspective view of a transmission shaft building block in another direction in embodiment 2 of the present invention;
fig. 3 is a schematic view of a three-dimensional structure of a transmission shaft building block in one direction in embodiment 3 of the present invention;
fig. 4 is a schematic perspective view of a transmission shaft building block in another direction according to embodiment 3 of the present invention;
fig. 5 is a schematic perspective view of a transmission shaft building block in embodiment 4 of the present invention;
FIG. 6 is a schematic view of a three-dimensional structure of the transmission shaft building block of the present invention in one direction after the second transmission shaft body and the external thread building block set are spliced;
fig. 7 is a schematic perspective view of the transmission shaft building block of the present invention in another direction after the second transmission shaft body and the external thread building block set are spliced;
fig. 8 is a schematic perspective view of a second transmission shaft body according to the present invention;
FIG. 9 is a schematic view of a three-dimensional structure of a building block gear in one direction according to the present invention;
FIG. 10 is a schematic perspective view of the building block gear of the present invention in another direction;
fig. 11 is a schematic view of a three-dimensional structure of the building block gear of the present invention in one direction, wherein the length of the gear through hole is 2 times the length of the building block gear in fig. 9;
fig. 12 is a schematic perspective view of another direction of the block gear of the present invention, wherein the length of the gear through hole is 2 times the length of the block gear of fig. 9;
fig. 13 is a schematic perspective view of the building block beam of the present invention;
FIG. 14 is a schematic view of a three-dimensional structure of one direction of one of the building blocks of the present invention;
FIG. 15 is a schematic perspective view of one of the building blocks of the present invention in another direction;
FIG. 16 is a schematic view of a three-dimensional structure of another building block of the present invention;
FIG. 17 is a schematic perspective view of another direction of another building block of the present invention;
FIG. 18 is a schematic view of a third block of the present invention showing a three-dimensional structure in one direction;
FIG. 19 is a schematic perspective view of a third building block of the present invention in another direction;
FIG. 20 is a schematic perspective view of the external thread building block set of the present invention;
FIG. 21 is a schematic structural view of the boss of the inner hole of the middle sleeve member of the present invention;
fig. 22 is an exploded view of a building block assembly according to embodiment 2 of the present invention;
fig. 23 is a schematic sectional view of a building block assembly according to embodiment 2 of the present invention;
fig. 24 is a schematic perspective view of a building block assembly in embodiment 2 of the present invention;
fig. 25 is a schematic view of a three-dimensional structure of the building block assembly after the second transmission shaft body is spliced in embodiment 2 of the present invention;
fig. 26 is a schematic view of a three-dimensional structure of the transmission shaft building block of the present invention after the second transmission shaft body is spliced;
fig. 27 is a schematic view of a cross-sectional structure of a building block assembly in embodiment 2 of the present invention after a transmission shaft building block and a second transmission shaft body are spliced;
FIG. 28 is a schematic view of an external structure of a building block assembly formed by splicing a plurality of transmission shaft building blocks and a plurality of second transmission shaft bodies according to the present invention;
FIG. 29 is an exploded view of the building block assembly of FIG. 28;
fig. 30 is a schematic cross-sectional view of fig. 29.
The figures show that:
first transmission shaft body 1 building block gear 11
External thread building block external member 12 of splicing transmission groove 2
Limiting edge 7 sleeve inner hole boss 17
Building block brick 9 building block brick splicing space 19
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
Example 1:
the utility model provides a transmission shaft building block, which comprises a first transmission shaft body 1, wherein the two ends of the first transmission shaft body 1 are respectively provided with a first building block splicing head and a second building block splicing head, one or both of the first building block splicing head and the second building block splicing head are provided with splicing transmission grooves 2, the first transmission shaft body 1 is provided with splicing transmission holes 4 along the axial direction, the splicing transmission holes 4 allow splicing of the second transmission shaft body 5, wherein the shaft diameter of the second transmission shaft body 5 is smaller than the shaft diameter of the first transmission shaft body 1, when the first building block splicing head and the second building block splicing head are used as male heads for splicing rotating parts such as a building block gear 11, the first building block splicing head and the second building block splicing head can drive the building block gear 11 to rotate through the splicing transmission grooves 2 or the building block gear 11 drives the transmission shafts to rotate, thereby realizing the transmission effect in the building block splicing process, when using in the electronic toy, can realize the transmission of a plurality of gears through the motor, can realize gear engagement transmission, including the engagement transmission of two parallel building blocks gears 11 or the engagement transmission of two building blocks gears 11 that are the contained angle and arrange.
In practical application, one end of the transmission shaft building block is connected with the building block gear 11, the other end of the transmission shaft building block is used for supporting the building block gear 11 to be spliced on other building blocks, and the transmission shaft building block plays a role of a supporting shaft when the building block gear 11 rotates; meanwhile, shaft transmission can be achieved through the transmission shaft building blocks, the building block gear 11 is installed at one end of each transmission shaft building block, the other end of each transmission shaft building block penetrates through other building blocks and then is connected with the building block gear 11, the building block gear 11 at one end of each transmission shaft building block rotates to drive the building block gear 11 spliced at the other end of each transmission shaft building block to rotate, then the transmission effect of the transmission shaft building blocks with different lengths can be achieved, and the building block gear 11 can be replaced by other building blocks in actual splicing to achieve splicing or transmission effects.
Further, the quantity of concatenation driving groove 2 can set up to one, also can set up to a plurality of, specifically in using, should rationally set up according to driven demand and building blocks type, preferably along two concatenation driving grooves 2 of transmission shaft building blocks circumference equipartition, and when building blocks volume design is great, the quantity of concatenation driving groove 2 can set up to more than 2 to overcome great torsional force.
Specifically, the transmission shaft building block is provided with concatenation transmission hole 4 along axial direction, and in practical application, concatenation transmission hole 4 runs through the whole length of transmission shaft building block or arranges on the partial length of transmission shaft building block, and when concatenation transmission hole 4 was arranged on the partial length of transmission shaft building block, the inner space of the transmission shaft building block that does not arrange concatenation transmission hole 4 can form a female head, like the inside through-hole on right side in fig. 2, still can be used for the public head of other building blocks of concatenation as female head. The cross section of concatenation drive hole 4 can adopt multiple structure, for example adopt polygon, cross, star or rice font etc, concatenation drive hole 4 can be used for splicing other building blocks as the female head of transmission shaft building block, for example adopt second transmission axis body 5 and 4 cooperation concatenations of concatenation drive hole, a second transmission axis body 5 can splice a plurality of transmission shaft building blocks in proper order and realize the transmission function of a plurality of transmission shaft building blocks, the use of second transmission axis body 5 can increase the transmission length of transmission shaft building block, driven function when realizing building block concatenation, in addition, second transmission axis body 5 also can only splice as the connecting piece, do not transmit.
When the second transmission shaft body 5 is spliced to the first transmission shaft body 1, one end or both ends of the second transmission shaft body 5 extend to the outside of the end surface of the first transmission shaft body 1, as shown in fig. 26, both ends of the second transmission shaft body 5 extend to the outside of the end surface of the first transmission shaft body 1.
The utility model also provides a building blocks subassembly, adopt transmission shaft building blocks, building blocks subassembly is through adopting transmission shaft building blocks when the concatenation, multiple compound mode when can realizing different building blocks concatenations, including following any kind or arbitrary multiple building blocks:
a building block, on which a female head and/or a double female head are/is provided, the female head and the double female head both allowing splicing of the first transmission shaft body 1, the building block being a building block brick 9 or a building block beam 10, as shown in fig. 13, being one preferred structure of the building block beam 10, as shown in fig. 14 to 19, being two preferred structures of the building block brick 9, the building block brick 9 having a thickness greater than that of the building block beam 10, the female head or the double female head on the building block brick 9 being capable of realizing various splicing shapes and functions by splicing with a transmission shaft when splicing, for example, transmission with different transmission ratios can be realized by the first transmission shaft body 1, not only external transmission of a plurality of building blocks, for example, meshing transmission of the plurality of building block gears 11 on the same side, but also, for example, transmission of the plurality of building block gears 11 arranged on different sides of the building block brick 9 at an included angle, the building block beam 10 can only realize the external transmission function of a plurality of building blocks through external splicing.
The building block gear 11, as shown in fig. 9 to 12, the building block gear 11 is provided with a gear through hole 13 allowing the transmission shaft building block to be spliced and a gear boss 14 matching with the splicing transmission groove 2, in practical application, the end of the second transmission shaft body 5 allows the building block gear 11 with a small-bore splicing structure to be spliced, i.e. the second transmission shaft body 5 directly splices the building block gear 11; the end part of the first transmission shaft body 1 allows splicing of a building block gear 11 with a large-aperture splicing structure;
an externally threaded construction set 12, as shown in fig. 20 and 21, the external thread 15 being circumferentially provided on the externally threaded construction set 12, the external thread 15 being capable of driving engagement with the construction gear 11, and when the construction gear 11 is rotated, the teeth on the construction gear 11 being capable of driving engagement with the external thread 15 to perform a driving function. The inner part of the external thread building block external member 12 is provided with a building block external member through hole 16 allowing the first transmission shaft body 1 to be spliced and an external member inner hole boss 17 matched with the splicing transmission groove 2 along the axial direction, and the external thread building block external member 12 is spliced with a transmission shaft building block as a female head to realize the connection or transmission function;
a second transmission shaft body 5, wherein the second transmission shaft body 5 can be spliced into the splicing transmission hole 4, as shown in fig. 8, which is a preferred example of the second transmission shaft body 5, and the cross section is a cross structure and can be spliced with the splicing transmission hole 4 with the cross structure.
The utility model provides a building blocks subassembly can realize the driven function of building blocks after the building blocks concatenation through adopting the transmission shaft building blocks, can realize the building blocks simultaneously again and rotate the transmission of different length, has increased the interest of building blocks concatenation.
Example 2:
this embodiment is a preferred embodiment of embodiment 1.
As shown in fig. 1 and 2, on the transmission shaft building block, outwards extend along the circumference of first transmission axis body 1 and block muscle 6 just block muscle 6 and set up between first building block splice and second building block splice, when the transmission shaft building block is used for splicing with the two female heads on the building block roof beam 10, block muscle 6 and can not pass the two female heads on the building block roof beam 10 and then carry on spacingly when splicing the transmission shaft building block, splice transmission hole 4 and adopt cruciform structure.
Furthermore, the first building block splice is evenly provided with two splicing transmission grooves 2 along the circumferential direction, the splicing transmission grooves 2 are communicated with the inner space of the transmission shaft building block, the first building block splice can be spliced with a building block gear 11 as shown in figure 10, wherein, the gear bosses 14 can be matched and spliced into the splicing transmission grooves 2, so that the building block gear 11 can drive the transmission shaft building block to rotate when rotating or the building block can drive the building block gear 11 to rotate when the transmission shaft building block rotates, the second building block splicing head is uniformly provided with 4 splicing transmission grooves 2 in the circumferential direction, and can splice building block gears with one to four gear bosses 14, therefore, the spliced building block gear 11 can slide along the direction of the splicing transmission groove 2 and can select different splicing positions on the transmission shaft building block, so that various types of building block splicing are realized, and the imagination of building block enthusiasts can be expanded.
Specifically, the first building block splicing head is a variable-diameter head, a limiting edge 7 is arranged at the free end of the first building block splicing head, the diameter of the limiting edge 7 is larger than that of a female head on the building block beam 10, and a splicing transmission groove 2 formed in the variable-diameter head extends inwards from the end part of the free end of the first transmission shaft body 1 along the length direction to form a groove. When the first building block splices and enters the female joint on the building block beam 10, the splicing transmission groove 2 is squeezed to narrow so that the first building block splices and enters the female joint, therefore, the splicing transmission groove 2 not only realizes the purpose of variable diameter, but also plays a role of transmission when splicing the building block gear. The diameter of the limiting edge 7 is preferably slightly larger than that of the female head on the building block, so that plugging and unplugging can be realized manually.
The utility model also provides a building block assembly, as shown in fig. 22, including building block gear 11, external screw thread building block external member 12, building block brick 9 and two transmission shaft building blocks, building block brick 9 includes building block head 18, building block brick 9 one end wherein is the open end just the open end can splice building block head 18 and make inside building block brick concatenation space 19 that forms, during the concatenation install building block gear 11 in building block brick 9 inside building block brick concatenation space 19 earlier to insert a transmission shaft building block in the building block brick concatenation space 19 and pass building block gear 11 and stretch out from the two meshes of building block brick 9 opposite side in keeping away from the two female heads of open end one side on building block brick 9, secondly install external screw thread building block external member 12 in building block brick concatenation space 19 of building block brick 9 inside, and insert building block brick concatenation space 19 and pass external screw thread building block external member 12 from building block brick 9 another building block external screw thread building block external member 12 from the building block brick concatenation space 19 that is close to the two female heads of open end one side on building block brick 9 in inserting building block brick concatenation space 19 Stretch out in the two mesh heads of side, splice the open end with building blocks head 18 at last, the outside structure diagram after the concatenation is accomplished is shown in fig. 24, and fig. 23 is the inside cross-sectional view after the concatenation, and building blocks gear 11 has formed the structure that the drive is connected with external screw thread building blocks external member 12, can both drive another transmission shaft building blocks through rotating any transmission shaft building blocks and rotate, realizes transmission function.
Further, the building blocks in this embodiment may further be connected to a second transmission shaft body 5 to realize a transmission function, as shown in fig. 25 and 27, wherein the structure of the transmission shaft building block after being spliced with the second transmission shaft body 5 is shown in fig. 26, and the structure of the transmission shaft building block after being spliced with the external thread building block set 12 and the second transmission shaft body 5 is shown in fig. 6 and 7.
Specifically, as shown in fig. 19, be provided with first concatenation position 3 and second concatenation position 8 in the building block, first concatenation position 3, second concatenation position 8 can splice two different models or the first transmission axis body 1 of the same model respectively, through two the transmission of different drive ratios can be realized in the concatenation of first transmission axis body 1, as shown in fig. 23, can realize the transmission effect of different drive ratios after the building block subassembly after the equipment splices second transmission axis body 5 again, satisfy building block concatenation fan's concatenation requirement.
Example 3:
this embodiment is another preferable embodiment of embodiment 1.
In this embodiment, as shown in fig. 3 and 4, a blocking rib 6 is provided between the first building block splicing head and the second building block splicing head, the first building block splicing head is uniformly provided with a splicing transmission groove 2 along the circumferential direction, the splicing transmission groove 2 is communicated with the internal space of the transmission shaft building block, the building block gear 11 in fig. 10 can be spliced, and the second building block splicing head is of a structure symmetrical to the first building block splicing head with respect to the blocking rib 6.
Specifically, first building blocks splice, second building blocks splice are variable diameter head and first building blocks splice, the free end of second building blocks splice all is provided with spacing reason 7, and building blocks gear 11 can be spliced to one end when the concatenation, and the other end splices to other building blocks, realizes building blocks gear 11 and other building blocks gear 11's meshing transmission.
Example 4:
this embodiment is still another preferable embodiment of embodiment 1.
In this embodiment, the splicing transmission grooves 2 respectively arranged on the first building block splicing head and the second building block splicing head are communicated and form a linear groove, as shown in fig. 5, the transmission shaft building block can penetrate through the building blocks provided with the double female heads to be spliced and realize the transmission function of the building block gears 11 at the two ends.
Example 5:
this embodiment is a modification of embodiment 1.
As shown in fig. 28, 29, and 30, in this embodiment, the extension of the transmission shaft building block can be realized by the splicing combination of the 4 first transmission shaft bodies 1 and the 2 second transmission shaft bodies 5, so that the combination of more splicing styles can be realized, the types of the splicing styles are richer when the building block assembly is applied, and the imagination of building block enthusiasts can be extended.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (11)
1. A transmission shaft building block is characterized by comprising a first transmission shaft body (1), wherein a first building block splicing head and a second building block splicing head are respectively arranged at two ends of the first transmission shaft body (1);
one or both of the first building block splicing head and the second building block splicing head is/are provided with a splicing transmission groove (2);
first transmission axis body (1) is provided with concatenation transmission hole (4) along axial direction, concatenation transmission hole (4) allow to splice second transmission axis body (5), wherein, the diameter of axle of second transmission axis body (5) is less than the diameter of axle of first transmission axis body (1).
2. A drive shaft block according to claim 1, wherein the first block joint and the second block joint have respective drive grooves (2) communicating with each other and forming a groove.
3. A drive shaft building block according to claim 1, characterised in that blocking ribs (6) extend radially outwards in the circumferential direction of the first drive shaft body (1) and that the blocking ribs (6) are arranged between the first building block joint and the second building block joint.
4. A propeller shaft block according to claim 1, c h a r a c t e r i z e d in that the first block joint is a variable diameter joint and that the free end of the first block joint is provided with a limiting rim (7); and/or
The second building block splicing head is a variable-diameter head, and a limiting edge (7) is arranged at the free end of the second building block splicing head.
5. A propeller shaft toy building block according to claim 4, characterised in that the variable-diameter head has a split-joint drive groove (2) extending lengthwise inwards from the end of the free end of the first drive shaft body (1) to form a slot.
6. A toy building set, characterised in that a drive shaft toy building set according to any one of claims 1 to 5 is used, including any one or more of the following toy building sets:
-a block, provided with a female head and/or a double female head, both allowing to splice the first transmission shaft body (1);
-a building block gear (11), said building block gear (11) being provided with a gear through hole (13) allowing splicing of said first transmission shaft body (1) and a gear boss (14) matching said splicing transmission groove (2);
-an externally threaded building set (12), the circumference of the externally threaded building set (12) being provided with an external thread (15), the external thread (15) being capable of driving cooperation with a building gear (11), the interior of the externally threaded building set (12) being provided with a building set through hole (16) allowing splicing of the first transmission shaft body (1) and a set inner hole boss (17) matching the splicing transmission groove (2) in an axial direction;
-a second transmission shaft body (5).
7. The building block assembly according to claim 6, characterized in that on one of said building blocks, when one of the joints of a first of said first transmission shaft bodies (1) is joined to said building block, the other joint of the first of said first transmission shaft bodies (1) is capable of joining a first of said building gear wheels (11);
when one splicing head of the second first transmission shaft body (1) is spliced to the building block, the other splicing head of the second first transmission shaft body (1) can splice a second building block gear (11);
the first building block gear (11) and the second building block gear (11) can be in parallel transmission fit or transmission fit arranged at an included angle.
8. The building block assembly according to claim 6, characterized in that a building block splicing space is provided inside the building block, said building block splicing space allowing for the simultaneous installation of a building block gear (11) spliced to one of said first transmission shaft bodies (1) and an externally threaded building block set (12) spliced to another of said first transmission shaft bodies (1), wherein both ends of both of said first transmission shaft bodies (1) are spliced to said building block, said building block gear (11) being in driving engagement with said externally threaded building block set (12).
9. A toy building set according to claim 6, characterised in that one or both ends of the second transmission shaft body (5) extend outside the end surface of the first transmission shaft body (1) when the second transmission shaft body (5) is spliced to the first transmission shaft body (1).
10. A toy building set according to claim 6, characterised in that the end of the second transmission shaft body (5) allows the building gear (11) with a small aperture building structure to be spliced, and the end of the first transmission shaft body (1) allows the building gear (11) with a large aperture building structure to be spliced.
11. The building block assembly as claimed in claim 6, characterized in that a first splicing position (3) and a second splicing position (8) are provided in the building block, wherein the first splicing position (3) and the second splicing position (8) can splice two first transmission shafts (1) respectively and can realize transmission with different transmission ratios through the two first transmission shafts (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120425804.1U CN214436511U (en) | 2021-02-26 | 2021-02-26 | Transmission shaft building block and building block assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120425804.1U CN214436511U (en) | 2021-02-26 | 2021-02-26 | Transmission shaft building block and building block assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214436511U true CN214436511U (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120425804.1U Active CN214436511U (en) | 2021-02-26 | 2021-02-26 | Transmission shaft building block and building block assembly |
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| Country | Link |
|---|---|
| CN (1) | CN214436511U (en) |
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2021
- 2021-02-26 CN CN202120425804.1U patent/CN214436511U/en active Active
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