Sounding flower drum
Technical Field
The embodiment of the invention relates to the technical field of child balance cars, scooter and bicycles, in particular to a sounding hub.
Background
The hub currently applied to the balance car, the scooter or the bicycle comprises a hub shell, a rear axle and a hub cover, and is mainly used for connecting spokes and axles, and the functions are relatively single. The current flower-drum can not make sound in the using process, and the using process is too tedious.
Disclosure of Invention
Therefore, the embodiment of the invention provides a sounding flower-drum to solve the problem of tedious use process caused by incapability of sounding the flower-drum in the prior art.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
The embodiment of the invention provides a sounding flower-drum, which comprises a flower-drum body and an axle, wherein the flower-drum body is rotationally connected with the axle, a first unidirectional wheel device and a second unidirectional wheel device are arranged in the flower-drum body, the first unidirectional wheel device and the second unidirectional wheel device are respectively rotationally connected with the axle, the first unidirectional wheel device comprises a first annular tooth and a first ratchet tooth which is arranged in the first annular tooth and meshed with the first annular tooth, the second unidirectional wheel device comprises a second annular tooth and a second ratchet tooth which is arranged in the second annular tooth and meshed with the first annular tooth, and the rotation direction of the first unidirectional wheel device is opposite to the rotation direction of the second unidirectional wheel;
when the first unidirectional wheel device rotates, the second ratchet teeth of the second unidirectional wheel device rub the second annular teeth to make a sound; when the second one-way wheel device rotates, the first ratchet teeth of the first one-way wheel device rub the first annular teeth to make sound.
Preferably, the flower-drum body comprises a flower-drum cover, a flower-drum shell and a sounding part, wherein an opening is formed in one end of the flower-drum shell, the sounding part is embedded in the flower-drum shell from the opening of the flower-drum shell, and the flower-drum cover covers the opening of the flower-drum shell;
a first annular tooth is arranged on one side, close to the hub cover, of the sounding part, and a first ratchet tooth meshed with the first annular tooth is arranged on the inner side of the hub cover;
The inside of flower-drum shell is provided with the annular tooth of second, the sound production portion is kept away from the side of flower-drum lid is provided with the annular tooth meshing of second ratchet.
Preferably, the first unidirectional wheel device further comprises a first bearing and a first unidirectional wheel, the first bearing is located on the inner side of the hub cover, an inner ring of the first bearing is fixed to the axle, an outer ring of the first bearing is fixed to the first unidirectional wheel, and the outer ring of the first unidirectional wheel is uniformly fixed to a plurality of first ratchet teeth.
Preferably, the number of the first ratchet teeth is 3-8.
Preferably, the second unidirectional wheel device further comprises a second bearing and a second unidirectional wheel, the second bearing is located at the inner side of the sound producing part, an inner ring of the second bearing is fixed on the axle, an outer ring of the second bearing is fixed on the second unidirectional wheel, and an outer ring of the second unidirectional wheel is uniformly fixed on a plurality of second ratchet teeth.
Preferably, the number of the second ratchet teeth is 3-8.
Preferably, the first annular teeth, the first ratchet teeth, the second annular teeth and the second ratchet teeth are all made of metal.
Preferably, the first annular tooth and the second annular tooth have the same radius.
The embodiment of the invention has the following advantages:
The sounding flower-drum provided by the embodiment of the invention comprises a flower-drum body and an axle, wherein the flower-drum body is rotationally connected with the axle. The inside of the flower-drum body is provided with a first unidirectional wheel device and a second unidirectional wheel device, and the rotation direction of the first unidirectional wheel device is opposite to that of the second unidirectional wheel. When the first unidirectional wheel device rotates, the second ratchet teeth of the second unidirectional wheel device rub the second annular teeth to make a sound; when the second unidirectional wheel device rotates, the first ratchet teeth of the first unidirectional wheel device rub the first annular teeth to make a sound, so that the sound-making flower drum can make a sound in the forward or backward process of the vehicle, and further the second unidirectional wheel device is beneficial to attracting the attention of a user, and more fun is added to the advancing process of the vehicle.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present invention, should fall within the ambit of the technical disclosure.
Fig. 1 is a schematic diagram of an assembly structure of a sounding flower-drum provided by an embodiment of the present invention;
FIG. 2 is an exploded view of a sounding flower-drum provided by an embodiment of the present invention;
FIG. 3 is an exploded view of another angle sounding flower-drum provided by an embodiment of the present invention;
Fig. 4 is a left side view of a drum shell of a sounding drum provided by an embodiment of the present invention;
Fig. 5 is a right side view of a sound emitting part of a sound emitting flower drum provided by an embodiment of the present invention;
In the figure: 1-flower-drum body, 101-flower-drum cover, 102-flower-drum shell, 103-sound generating part, 2-axle, 301-first annular tooth, 302-first ratchet tooth, 303-first bearing, 304-first unidirectional wheel, 401-second annular tooth, 402-second ratchet tooth, 403-second bearing, 404-second unidirectional wheel, 5-axle sleeve.
Detailed Description
Other advantages and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1 to 5, the present embodiment provides a sounding flower-drum, which includes a flower-drum body 1 and an axle 2, wherein the flower-drum body 1 is rotatably connected with the axle 2. The axle 2 is the rotating shaft of the hub body 1. The axle sleeve 5 is sleeved on the axle 2, and the axle 2 is fixedly connected with the frame through the axle sleeve 5. As shown in fig. 1, the two sides of the sleeve 5 are symmetrically provided with notches, which facilitate the connection and fixation of the sleeve 5 and a vehicle frame (not shown).
It should be noted that, the application range of the sounding flower-drum provided in this embodiment is relatively wide, and the sounding flower-drum can be applied to a child balance car, a scooter, and a bicycle, and is also referred to as a car in this embodiment.
As shown in fig. 1 and 2, a first unidirectional wheel device and a second unidirectional wheel device are arranged in the hub body 1, the first unidirectional wheel device and the second unidirectional wheel device are respectively connected with the axle 2 in a rotating way, the first unidirectional wheel device comprises a first annular tooth 301 and a first ratchet tooth 302 which is arranged in the first annular tooth 301 and meshed with the first annular tooth 301, the second unidirectional wheel device comprises a second annular tooth 401 and a second ratchet tooth 402 which is arranged in the second annular tooth 401 and meshed with the first annular tooth 301, and the rotating direction of the first unidirectional wheel device is opposite to the rotating direction of the second unidirectional wheel 404.
Specifically, when the first unidirectional wheel device rotates, the second ratchet teeth 402 of the second unidirectional wheel device rub against the second annular teeth 401 to generate sound; when the second unidirectional wheel device rotates, the first ratchet teeth 302 of the first unidirectional wheel device rub against the first annular teeth 301 to generate sound.
Preferably, the flower-drum body 1 comprises a flower-drum cover 101, a flower-drum shell 102 and a sounding part 103, wherein one end of the flower-drum shell 102 is provided with an opening, the sounding part 103 is embedded in the flower-drum shell 102 from the opening of the flower-drum shell 102, and the flower-drum cover 101 covers the opening of the flower-drum shell 102; a first annular tooth 301 is arranged on one side of the sounding part 103 close to the flower-drum cover 101, and a first ratchet tooth 302 meshed with the first annular tooth 301 is arranged on the inner side of the flower-drum cover 101; the second annular teeth 401 are arranged in the flower-drum shell 102, and the second ratchet teeth 402 meshed with the second annular teeth 401 are arranged on one side, away from the flower-drum cover 101, of the sounding part 103, so that the sounding flower-drum is compact in structure, small and exquisite, and convenient to use.
Further preferably, the first unidirectional wheel apparatus further comprises a first bearing 303 and a first unidirectional wheel 304, the first bearing 303 is located at the inner side of the hub cover 101, the inner ring of the first bearing 303 is fixed on the axle 2, the outer ring of the first bearing 303 is fixed on the first unidirectional wheel 304, the outer ring of the first unidirectional wheel 304 is uniformly fixed on a plurality of first ratchet teeth 302, the structure of the first unidirectional wheel apparatus is further simplified, and the first bearing 303 makes the rotational connection of the first unidirectional wheel apparatus and the axle 2 simpler.
In this embodiment, the number of the first ratchet teeth 302 is 3-8, which makes the engagement of the first ratchet teeth 302 with the first annular teeth 301 more stable when the first unidirectional wheel 304 rotates, and at the same time, the sound of the first ratchet teeth 302 rubbing against the first annular teeth 301 is louder.
Preferably, the second one-way wheel device further comprises a second bearing 403 and a second one-way wheel 404, the second bearing 403 is located at the inner side of the sound generating part 103, the inner ring of the second bearing 403 is fixed to the axle 2, the outer ring of the second bearing 403 is fixed to the second one-way wheel 404, the outer ring of the second one-way wheel 404 is uniformly fixed to a plurality of second ratchet teeth 402, which further simplifies the structure of the second one-way wheel device, and the second bearing 403 makes the rotational connection of the second one-way wheel device with the axle 2 simpler.
Further preferably, the number of the second ratchet teeth 402 is 3-8, which makes the engagement of the second ratchet teeth 402 with the second annular teeth 401 more stable when the second unidirectional wheel 404 rotates, and at the same time, the sound of the second ratchet teeth 402 rubbing against the second annular teeth 401 is louder.
In this embodiment, the first annular teeth 301, the first ratchet teeth 302, the second annular teeth 401 and the second ratchet teeth 402 are all made of metal, so that the sounding drum can make the sounding more crisp and pleasant.
Preferably, the first annular teeth 301 and the second annular teeth 401 have the same radius, and the first annular teeth 301 are arranged with helical teeth in the clockwise direction, and the second annular teeth 401 are arranged with helical teeth in the counterclockwise direction, which makes the engagement of the first ratchet teeth 302 with the first annular teeth 301, and the engagement of the second ratchet teeth 402 with the second annular teeth 401 simpler.
When the first unidirectional wheel device rotates, the second ratchet teeth 402 of the second unidirectional wheel device rub the second annular teeth 401 to make a sound; when the second unidirectional wheel device rotates, the first ratchet teeth 302 of the first unidirectional wheel device rub the first annular teeth 301 to make a sound, so that the sound-producing flower-drum can make a sound in the forward or backward process of the vehicle, thereby being beneficial to attracting the attention of a user and increasing more fun for the traveling process of the vehicle. Particularly when the sounding hub is applied to a child balance car and a scooter, the sounding hub can simulate the sounding of a bicycle, and can generate a feeling of using the bicycle for a user without using the bicycle. Due to the psychological characteristics of the children, the sounding flower-drum can make sounds in the process of the balance car or the scooter for the children, and the children can enjoy the sounding flower-drum more.
While the invention has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.