Rubber wheel
阅读说明:本技术 一种胶轮 (Rubber wheel ) 是由 潘志锐 陈波 于 2019-11-18 设计创作,主要内容包括:本发明公开了一种胶轮,包括支架、轴承、内幅和刹车件;支架具有一轴筒;轴承内圈套设在轴筒上;内幅套设在轴承外圈上,设有绕其旋转中心环绕间隔排列的刹车凸齿;刹车件能锁定地活动安装在支架上,设有能随刹车件活动以插入或脱离刹车凸齿间隙的刹车结构。本发明轴承内圈套设在轴筒,外圈则套有内幅,以此实现内幅与支架的相对旋转并通过轴承减少旋转摩擦阻力,时胶轮旋转顺滑;内幅设有一圈刹车凸齿,刹车件通过刹车结构插入刹车凸齿实现胶轮的刹车,通过内幅与刹车件配合即可实现胶轮的刹车,并不需要增加额外的配件来实现刹车,简化了胶轮的结构和体积,使得胶轮更加轻便,同时也降低了胶轮的成本。(The invention discloses a rubber wheel, which comprises a bracket, a bearing, an inner spoke and a brake piece, wherein the bearing is arranged on the bracket; the bracket is provided with a shaft barrel; the bearing inner ring is sleeved on the shaft barrel; the inner width is sleeved on the bearing outer ring and is provided with brake convex teeth which are arranged around the rotating center of the bearing at intervals; the brake piece can be movably arranged on the bracket in a locking way, and is provided with a brake structure which can move along with the brake piece so as to be inserted into or separated from the gap of the brake convex teeth. The inner ring of the bearing is sleeved on the shaft barrel, the outer ring is sleeved with the inner spoke, so that the relative rotation of the inner spoke and the bracket is realized, the rotating friction resistance is reduced through the bearing, and the rubber wheel rotates smoothly; the inner frame is provided with a circle of brake convex teeth, the brake piece is inserted into the brake convex teeth through the brake structure to realize the brake of the rubber wheel, the brake of the rubber wheel can be realized through the cooperation of the inner frame and the brake piece, the brake is realized without adding extra accessories, the structure and the volume of the rubber wheel are simplified, the rubber wheel is lighter, and the cost of the rubber wheel is reduced.)
1. A rubber wheel, characterized by comprising:
a bracket (100) having a shaft (110);
the bearing (200) is sleeved with the inner ring on the shaft barrel (110);
the inner spoke (300) is sleeved on the outer ring of the bearing (200) and is provided with brake convex teeth (310) which are arranged around the rotating center of the inner spoke at intervals;
the brake piece (400) is movably arranged on the bracket (100) in a locking way, and is provided with a brake structure (410) which can move along with the brake piece (400) to be inserted into or separated from the gap of the brake convex teeth (310).
2. The rubber wheel according to claim 1, wherein: the bracket (100) comprises a web (120) formed by extending the outer wall of the shaft barrel (110) outwards and radially, and the brake piece (400) is rotatably arranged on the web (120).
3. The rubber wheel according to claim 2, wherein: the outer end of the shaft barrel (110) is provided with a buckle (130), the outer wall of the shaft barrel (110) is provided with a step (111) relative to the buckle (130) at an inward interval, and the bearing (200) is sleeved between the buckle (130) and the step (111).
4. The rubber wheel according to claim 3, wherein: and one outward side of the buckle (130) is provided with a guide surface which is convenient for the installation of the bearing (200).
5. The rubber wheel according to claim 2, wherein: the spoke plate (120) is provided with a clamping column (121), the brake piece (400) is provided with two clamping grooves (420) which are used for being matched with the clamping column (121) to lock the position of the brake piece (400), the two clamping grooves (420) and the clamping column (121) can be switched in a rotating mode through the rotation of the brake piece (400), and the two clamping grooves (420) and the clamping column (121) are matched to correspond to a brake structure (410) respectively to be inserted into gaps of the brake convex teeth (310) and separated from gaps of the brake convex teeth (310).
6. The rubber wheel according to claim 5, wherein: the distance from the brake convex tooth (310) to the rotation axis of the bearing (200) is smaller than the distance from the rotation center of the brake piece (400) to the rotation axis of the bearing (200); the periphery profile of the shaft barrel (110) and the rotation track profile of the brake structure (410) are provided with an overlapping area, and the clearance between the periphery of the shaft barrel (110) and the brake convex teeth (310) is smaller than that of the brake structure (410).
7. The rubber wheel according to claim 2, wherein: the rubber sleeve (500) is further included, and the rubber sleeve (500) is wrapped on the periphery of the inner web (300).
8. The rubber wheel according to claim 7, wherein: the outer periphery of the inner panel (300) is provided with a limiting groove (320), and the inner ring of the rubber sleeve (500) is provided with a fillet (510) which is matched with the groove (320) and embedded into the groove (320).
9. The rubber wheel according to claim 2, wherein: the side cover (600) is covered at the end part of the shaft cylinder (110) to cover the outer side of the bearing (200); the middle part of the side cover (600) is provided with an insert sleeve (610) which is inserted into the shaft barrel (110) and is in interference fit with the inner wall of the shaft barrel (110).
10. Rubber tyre according to any one of claims 2 to 9, characterized in that: the bearings (200) and the inner spokes (300) are arranged in two groups and are symmetrically arranged along the spokes (120).
Technical Field
The invention relates to the field of pulleys, in particular to a rubber wheel.
Background
In life and industrial production, in order to facilitate the movement of an object, a rubber wheel is usually arranged at the bottom of the object, so that the object can be easily pushed, and the acting force required by carrying is reduced; when needs object position is fixed, need the rubber tyer lock to die, so can set up corresponding brake spare on the rubber tyer usually, in order to cooperate the brake spare brake, still can increase a part with brake spare complex on the rubber tyer usually, lead to the rubber tyer overall structure part more, the structure is complicated, and the installation is troublesome, is unfavorable for the lightweight development of rubber tyer.
Disclosure of Invention
The present invention aims to solve the above technical problem at least to some extent. Therefore, the invention provides a light brake rubber wheel.
The technical scheme adopted by the invention for solving the technical problems is as follows: a rubber wheel comprises a bracket, a bearing, an inner spoke and a braking piece; the bracket is provided with a shaft barrel; the bearing inner ring is sleeved on the shaft barrel; the inner width is sleeved on the bearing outer ring and is provided with brake convex teeth which are arranged around the rotating center of the bearing at intervals; the brake piece can be movably arranged on the bracket in a locking way, and is provided with a brake structure which can move along with the brake piece so as to be inserted into or separated from the gap of the brake convex teeth.
The rubber wheel provided by the embodiment of the invention at least has the following technical effects: the inner ring of the bearing is sleeved on the shaft barrel, the outer ring is sleeved with the inner spoke, so that the relative rotation of the inner spoke and the bracket is realized, the rotating friction resistance is reduced through the bearing, and the rubber wheel rotates smoothly; the inner frame is provided with a circle of brake convex teeth, the brake piece is inserted into the brake convex teeth through the brake structure to realize the brake of the rubber wheel, the brake of the rubber wheel can be realized through the cooperation of the inner frame and the brake piece, the brake is realized without adding extra accessories, the structure and the volume of the rubber wheel are simplified, the rubber wheel is lighter, and the cost of the rubber wheel is reduced.
According to some embodiments of the invention, the bracket comprises a web extending radially outwardly from the outer wall of the shaft, the brake member being rotatably mounted on the web.
According to some embodiments of the invention, the outer end of the shaft cylinder is provided with a buckle, the outer wall of the shaft cylinder is provided with a step at an inward interval relative to the buckle, and the bearing is sleeved between the buckle and the step.
According to some embodiments of the invention, the outward side of the buckle is provided with a guide surface for facilitating the installation of the bearing.
According to some embodiments of the invention, the web is provided with a clamping column, the brake piece is provided with two clamping grooves for matching with the clamping column to lock the position of the brake piece, the matching of the two clamping grooves and the clamping column can be switched by rotating the brake piece, and the matching of the two clamping grooves and the clamping column respectively corresponds to the insertion and separation of the brake structure into and from the gap of the brake convex teeth.
According to some embodiments of the invention, the brake lobe is located a distance from the bearing axis of rotation that is less than a distance from a center of rotation of the brake element to the bearing axis of rotation; the periphery of the shaft cylinder and the rotating track profile of the brake structure are provided with an overlapping area, and the clearance between the periphery of the shaft cylinder and the brake convex teeth is smaller than that of the brake structure.
According to some embodiments of the invention, further comprising a gum cover wrapped around the outer periphery of the inner panel.
According to some embodiments of the invention, the inner panel is provided with a limiting groove on the periphery, and the inner ring of the rubber sleeve is provided with a fillet which is matched with the groove and embedded into the groove.
According to some embodiments of the invention, the bearing further comprises a side cover covering the end part of the shaft barrel to cover the outer side of the bearing; and the middle part of the side cover is provided with an inserting sleeve which is inserted into the shaft barrel and is in interference fit with the inner wall of the shaft barrel.
According to some embodiments of the invention, the bearings and the inner web are arranged in two groups and symmetrically along the web.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a sectional view of an embodiment of the present invention in an installed state;
FIG. 2 is a schematic view of the exploded state of FIG. 1;
FIG. 3 is a schematic structural view of the bracket and the brake element of FIG. 1 in an exploded state;
FIG. 4 is a schematic view showing a coupled state of the braking member, the bracket and the braking teeth;
FIG. 5 is a schematic structural view showing another state of connection of the brake element to the bracket;
FIG. 6 is a schematic view of the operation of the brake element and the brake lobe in the condition of FIG. 5;
fig. 7 is a schematic view of the structure of the inner panel shown in fig. 1.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Referring to fig. 1 to 5, the rubber wheel of the present invention includes a
The
In some embodiments of the present invention, the
In some embodiments of the present invention, the outer end of the
In some embodiments of the present invention, the
In a further embodiment of the present invention, the distance (i.e., the radius of rotation) from the
In some embodiments of the invention, the rubber wheel further comprises a
The
In order to protect the bearing from direct exposure and dust accumulation, in some embodiments of the present invention, the rubber wheel further includes a
As shown in fig. 1, the rubber wheel is designed symmetrically, the whole wheel takes the
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
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