CN219783799U - Roller, roller assembly and kite wheel applying roller assembly - Google Patents
Roller, roller assembly and kite wheel applying roller assembly Download PDFInfo
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- CN219783799U CN219783799U CN202320888085.6U CN202320888085U CN219783799U CN 219783799 U CN219783799 U CN 219783799U CN 202320888085 U CN202320888085 U CN 202320888085U CN 219783799 U CN219783799 U CN 219783799U
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- roller
- rolling sleeve
- shaft
- disc
- wire spool
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- 238000005096 rolling process Methods 0.000 claims description 53
- 229920003023 plastic Polymers 0.000 claims description 12
- 239000004033 plastic Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 8
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Abstract
The utility model provides a roller, a roller assembly and a kite wheel using the roller assembly, and relates to the technical field of kite wheels.
Description
Technical Field
The utility model relates to the technical field of kite wheels, in particular to a roller, a roller assembly and a kite wheel using the roller assembly.
Background
The kite wheel is one of important instruments for flying a kite, and mainly comprises a holding disk, a wire spool, a locking mechanism and the like, wherein the holding disk is used for being held by a user, the wire spool is rotated to control the retraction of a kite wire, and the locking mechanism is used for locking the wire spool so as to realize the locking of the retraction wire.
The rotating structure between the existing holding disc and the wire spool adopts a plurality of steel balls or bearings, and mainly has the following problems: firstly, the kite wheel is used as an entertainment toy, so that a user only uses the kite wheel occasionally, the kite wheel does not need to have long service life, the key point is to reduce the cost, and the bearing has long service life but high manufacturing cost, so that the manufacturing cost of the kite wheel is high when the bearing is used as a rotating structure between an inner holding disc and a wire reel; and secondly, when the steel balls are used as a rotating structure between the inner holding disc and the wire spool, tens of steel balls are needed, the requirements on the size and the installation and assembly of the steel balls are relatively high, and if the installation positions of the steel balls are not opposite, the situation that the wire spool rotates smoothly and even the reel is clamped is easily generated, so that the assembly difficulty of the kite wheel is relatively high.
Therefore, there is a need for a roller, a roller assembly and a kite wheel using the same that can solve the above problems.
Disclosure of Invention
The utility model provides a roller, a roller assembly and a kite wheel using the roller assembly, wherein the roller assembly is used as a rotating structure between a holding disc and a wire reel, so that the assembly difficulty of the kite wheel is reduced, and the cost of the kite wheel is saved.
The first technical scheme of the utility model is realized as follows:
the roller comprises a shaft lever, a rolling sleeve is sleeved on the shaft lever, a limiting disc is arranged at one end of the rolling sleeve, the limiting disc is sleeved on the shaft lever, and the outer diameter of the limiting disc is larger than that of the rolling sleeve.
As a preferred embodiment, the shaft extends beyond the limit disk and/or the rolling sleeve.
As a preferred technical solution, the limiting plate is integrally arranged with the rolling sleeve.
As a preferable technical scheme, the limiting disc and the rolling sleeve are arranged in a split mode, and one end face of the limiting disc abuts against the end portion of the rolling sleeve.
As an optimized technical scheme, the shaft lever is made of plastic materials, the rolling sleeve is made of plastic materials, and the limiting disc is made of plastic materials.
The second technical scheme of the utility model is realized as follows:
the roller assembly comprises at least one pair of rollers, all the shaft rods on the rollers are arranged in parallel, and the arrangement positions of the limiting disc and the rolling sleeve on each two adjacent rollers are opposite.
The third technical scheme of the utility model is realized as follows:
the kite wheel comprises a holding disk and a wire spool which are arranged inside and outside, the holding disk and the wire spool are provided with the roller assemblies, the holding disk comprises two half disk bodies which are arranged oppositely, each shaft lever of each roller is arranged between the two half disk bodies, a wire spool inner ring is fixed on the inner wall of the wire spool, the outer wall of a rolling sleeve of each roller is contacted with the inner wall of the wire spool inner ring, one of the limiting disks of each roller abuts against one side end face of the wire spool inner ring, and the other limiting disk of each roller abuts against the other side end face of the wire spool inner ring.
As a preferable technical scheme, one of the half disc bodies is fixedly connected with one end of the shaft rod, the other half disc body is provided with a plurality of inserting grooves, the number and the positions of the inserting grooves are in one-to-one correspondence with those of the shaft rods, the other end of each shaft rod is inserted into the corresponding inserting groove, and each shaft rod is in interference fit with the inner wall of the corresponding inserting groove.
As a preferable technical scheme, a plurality of inserting grooves are respectively formed in each of the two half disc bodies, the number and the positions of the inserting grooves on each half disc body are in one-to-one correspondence with the number and the positions of the shaft rods, two ends of each shaft rod are inserted into the corresponding inserting grooves, and interference fit is achieved between the inner walls of the inserting grooves and the shaft rods.
By adopting the technical scheme, the utility model has the beneficial effects that:
because the roller assemblies are arranged between the holding disk and the wire spool, the roller assemblies comprise at least one pair of rollers, the rollers comprise shaft rods, rolling sleeves and limiting disks, and compared with the traditional kite wheels which adopt steel balls as a rotating structure between the holding disk and the wire spool, the roller assemblies are adopted as the rotating structure between the holding disk and the wire spool, when the kite wheels are installed and assembled, the rolling sleeves and the limiting disks are directly sleeved on the shaft rods according to requirements, and then the corresponding half disk bodies are spliced on the shaft rods, so that the kite wheels can be installed, the rolling sleeves and the limiting disks are low in size and installation requirements, and the rolling sleeves and the limiting disks do not need to be accurately positioned and installed, so that the installation and assembly difficulty of the kite wheels is reduced; compared with the traditional kite wheel adopting a bearing as a rotating structure between the holding disk and the wire spool, the utility model has the advantages that the shaft lever, the rolling sleeve and the limiting disk can be made of plastics, the service life is shorter than that of the bearing, the use requirement of the kite wheel can be completely met, and the processing cost is very low, so that the cost of the kite wheel is greatly reduced.
Because the setting positions of the limiting disks and the rolling sleeves on each two adjacent rollers are opposite, in the utility model, the two adjacent limiting disks can respectively lean against the end surfaces on the two sides of the inner ring of the wire spool, so that the limiting disks are arranged in a staggered manner on the limiting points of the two end surfaces of the inner ring of the wire spool, the deflection of the wire spool in the rotating process is avoided, and the reliable limiting of the wire spool is realized.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of a second embodiment of the present utility model;
FIG. 2 is a schematic diagram of a third embodiment of the present utility model;
FIG. 3 is an exploded view of a third embodiment of the present utility model;
FIG. 4 is a schematic front view of FIG. 2;
FIG. 5 is a schematic cross-sectional view taken in the direction A-A of FIG. 4;
FIG. 6 is a schematic view of a hand-held disk according to the present utility model;
fig. 7 is a right side view of fig. 6.
Wherein: 1. a shaft lever; 2. a rolling sleeve; 3. a limiting disc; 4. a half-tray body; 5. an inner ring of the wire spool; 6. a wire spool; 7. a plug-in groove; 8. a mounting groove; 9. the hand holds the disk.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1, the roller comprises a shaft lever 1, a rolling sleeve 2 is sleeved on the shaft lever 1, a limiting disc 3 is arranged at one end part of the rolling sleeve 2, the limiting disc 3 is sleeved on the shaft lever 1, and the outer diameter of the limiting disc 3 is larger than that of the rolling sleeve 2.
In this embodiment, when one half of the disc body 4 is fixedly connected with one end of the shaft rod 1, and the other half of the disc body 4 is inserted and mounted with the other end of the shaft rod 1, the other end of the shaft rod 1 extends out of the limit disc 3 or the rolling sleeve 2, so that the shaft rod 1 and the half of the disc body 4 are inserted and mounted conveniently; when the two half disk bodies 4 and the shaft lever 1 are in plug-in installation, the two ends of the shaft lever 1 need to extend out of the limit disk 3 and the rolling sleeve 2 respectively, so that the two ends of the shaft lever 1 are in plug-in installation with the two half disk bodies 4 respectively.
As shown in fig. 1, the limit disk 3 is provided integrally with the rolling sleeve 2.
As shown in fig. 3 and 5 together, the stopper plate 3 is provided separately from the rolling sleeve 2, and one end surface of the stopper plate 3 abuts against the end of the rolling sleeve 2.
The shaft lever 1 is a shaft lever made of plastic materials, the rolling sleeve 2 is a rolling sleeve made of plastic materials, and the limiting disc 3 is a limiting disc made of plastic materials, in the embodiment, the shaft lever 1, the rolling sleeve 2 and the limiting disc 3 can be made of wear-resistant plastic materials, so that the manufacturing cost of the kite wheel is reduced under the condition that the service life of the kite wheel meets the requirements.
Example two
As shown in fig. 1-3, the roller assembly includes at least one pair of the above rollers, the shaft rods 1 on all the rollers are arranged in parallel, and the positions of the limiting discs 3 on each two adjacent rollers are opposite to the positions of the rolling sleeve 2, in this embodiment, the number of the rollers is preferably 4.
In the utility model, the two end surfaces of the inner ring 5 of the wire spool are crossly limited by using the limiting disks 3 which are arranged in a staggered way, so that the reliable limiting of the wire spool 6 in the axial direction is realized, the deflection of the wire spool 6 in the rotating process is avoided, and meanwhile, every two opposite rollers are symmetrically arranged relative to the axis of the wire spool 6, so that a plurality of rolling sleeves 2 which are arranged at equal intervals can be symmetrically abutted against the inner wall of the inner ring 5 of the wire spool, the limiting of the wire spool 6 in the radial direction is realized, the shaking of the wire spool 6 relative to the holding disk 9 is avoided, and the rotating smoothness of the kite wheel is ensured.
Example III
As shown in fig. 1-7 together, the kite wheel comprises a holding disk 9 and a wire spool 6 which are arranged inside and outside, the roller assemblies are arranged between the holding disk 9 and the wire spool 6, the holding disk 9 comprises two half disk bodies 4 which are arranged oppositely together, a shaft lever 1 of each roller is arranged between the two half disk bodies 4, a wire spool inner ring 5 is fixed on the inner wall of the wire spool 6, the outer wall of a rolling sleeve 2 of each roller is contacted with the inner wall of the wire spool inner ring 5, a limit disk 3 of one roller is propped against one side end face of the wire spool inner ring 5, and a limit disk 3 of the other adjacent roller is propped against the other side end face of the wire spool inner ring 5; in this embodiment, a plurality of mounting grooves 8 are jointly formed in the peripheral walls of the two half-discs, the positions and the number of the mounting grooves 8 correspond to those of the rollers, and each shaft lever 1, the rolling sleeve 2 and the limiting disc 3 are mounted in the corresponding mounting groove 8.
Because the kite wheel can not be frequently or long-time used, a user only needs to occasionally play a kite for entertainment, the kite wheel does not need to be very long in service life, and the manufacturing cost and difficulty of the kite wheel are reduced, in a structure of adopting steel balls or bearings for rotary connection in the traditional kite wheel, although the bearing and the steel balls have very long service life, the manufacturing cost is relatively high, the installation process of the steel balls is complex, the installation difficulty is high, the gap between two adjacent steel balls can easily lead two steel balls to continuously collide if mastering is bad, the roller assembly made of plastics is adopted as a rotating structure between the holding disc 9 and the winding disc 6, the structure of the roller assembly is simple, the precision requirement for processing and manufacturing is relatively low, the manufacturing cost of the roller assembly is far lower than the manufacturing cost of the bearing and tens of steel balls, the manufacturing cost of the kite wheel is greatly reduced, meanwhile, the installation and positioning are carried out between each roller in the roller assembly, the rolling sleeve 2 and the limiting disc 3 of the roller assembly are only required to be sleeved on the winding disc 1, and the rolling sleeve 2 and the rolling sleeve can not be smoothly deformed due to the fact that the rolling sleeve is well installed in the shaft lever assembly, and the rolling sleeve is prevented from being in contact with the rolling sleeve.
As shown in fig. 5, one half of the disk bodies 4 are fixedly connected with one end of the shaft rod 1, the other half of the disk bodies 4 are provided with a plurality of inserting grooves 7, the number and the positions of the inserting grooves 7 are in one-to-one correspondence with those of the shaft rods 1, the other end of each shaft rod 1 is inserted into the corresponding inserting groove 7, and each shaft rod 1 is in interference fit with the inner wall of the corresponding inserting groove 7.
Or, the two half discs 4 are respectively provided with a plurality of inserting grooves 7, the number and the positions of the inserting grooves 7 on each half disc 4 are in one-to-one correspondence with those of the shaft rods 1, two ends of each shaft rod 1 are inserted into the corresponding inserting grooves 7, and interference fit is adopted between the inner wall of each inserting groove 7 and the shaft rod 1 (the structure that the two ends of the shaft rod 1 are in inserting connection with the half discs 4 is not shown in the drawing of the specification).
According to the utility model, the shaft rod 1 and the inserting groove 7 which are in interference fit are utilized to realize the inserting and fixing of the two half disc bodies 4, after the roller is worn greatly, a user can detach and separate the two half disc bodies 4 by himself so as to replace the limiting disc 3 and the rolling sleeve 2 in the roller, and the problem that the new kite wheel can not be maintained and can only be purchased again once the rotating structure is damaged is solved.
Taking the structure that the shaft lever 1 is fixedly connected with one half of the disk bodies 4 and the limit disk 3 and the rolling sleeve 2 are arranged in a split manner as an example, the assembly process of the kite wheel in the utility model is as follows:
firstly, placing a half of a disc body 4 fixedly provided with a shaft lever 1 on an assembly platform, and arranging the shaft lever 1 upwards;
secondly, after half of the limiting discs 3 are sleeved on the corresponding shaft rods 1 at intervals, the rolling sleeves 2 are sleeved on each shaft rod 1 in sequence;
thirdly, sleeving the wire spool 6 on the half spool body 4, wherein the side wall of each rolling sleeve 2 is contacted with the inner wall of the wire spool inner ring 5, and the end surface of the wire spool inner ring 5 positioned at the lower side is pressed on the end surface of the limiting spool 3;
fourthly, sleeving the other half of the limit discs 3 one by one on each shaft rod 1 which is not sleeved with the limit discs 3, so that the limit discs 3 are pressed on the end face of the inner ring 5 of the wire spool, which is positioned on the upper side;
and fifthly, arranging the inner wall of the other half of the tray body 4 downwards, enabling each inserting groove 7 on the half of the tray body 4 to be aligned with one shaft lever 1, then pressing the half of the tray body 4 to enable the two half of the tray body 4 to be buckled together, and at the moment, each shaft lever 1 is inserted into the corresponding inserting groove 7.
In summary, the roller assembly and the kite wheel using the roller assembly provided by the utility model adopt the roller assembly as a rotating structure between the holding disk 9 and the wire reel 6, so that the assembly difficulty of the kite wheel is reduced, and the cost of the kite wheel is saved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (9)
1. The roller is characterized by comprising a shaft lever, wherein a rolling sleeve is sleeved on the shaft lever, a limiting disc is arranged at one end of the rolling sleeve, the limiting disc is sleeved on the shaft lever, and the outer diameter of the limiting disc is larger than that of the rolling sleeve.
2. The roller of claim 1, wherein the shaft extends beyond the limit disk and/or the rolling sleeve.
3. The roller of claim 1, wherein the limit disk is integral with the rolling sleeve.
4. The roller of claim 1, wherein the limit plate is provided separately from the rolling sleeve, and an end surface of the limit plate abuts against an end of the rolling sleeve.
5. The roller of claim 1, wherein the shaft is a shaft made of plastic material, the rolling sleeve is a rolling sleeve made of plastic material, and the limit disk is a limit disk made of plastic material.
6. The roller assembly is characterized by comprising at least one pair of rollers according to any one of claims 1-5, wherein all the shaft rods on the rollers are arranged in parallel, and the arrangement positions of the limiting disc and the rolling sleeve on each two adjacent rollers are opposite.
7. The kite wheel is characterized by comprising a holding disc and a wire spool which are arranged inside and outside, wherein the roller assembly as claimed in claim 6 is arranged between the holding disc and the wire spool, the holding disc comprises two half disc bodies which are oppositely arranged together, each shaft lever of each roller is arranged between the two half disc bodies, a wire spool inner ring is fixed on the inner wall of the wire spool, the outer wall of a rolling sleeve of each roller is contacted with the inner wall of the wire spool inner ring, one limiting disc of each roller is propped against one side end face of the wire spool inner ring, and the limiting disc of the other adjacent roller is propped against the other side end face of the wire spool inner ring.
8. The kite wheel according to claim 7, wherein one of the half-discs is fixedly connected with one end of the shaft rod, the other half-disc is provided with a plurality of inserting grooves, the number and positions of the inserting grooves are in one-to-one correspondence with those of the shaft rods, the other end of each shaft rod is inserted into the corresponding inserting groove, and interference fit is achieved between each shaft rod and the inner wall of the corresponding inserting groove.
9. The kite wheel according to claim 7, wherein a plurality of inserting grooves are respectively formed in the two half-discs, the number and positions of the inserting grooves on each half-disc are in one-to-one correspondence with the number and positions of the shaft rods, two ends of each shaft rod are inserted into the corresponding inserting grooves, and interference fit is achieved between the inner wall of each inserting groove and the shaft rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320888085.6U CN219783799U (en) | 2023-04-17 | 2023-04-17 | Roller, roller assembly and kite wheel applying roller assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320888085.6U CN219783799U (en) | 2023-04-17 | 2023-04-17 | Roller, roller assembly and kite wheel applying roller assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219783799U true CN219783799U (en) | 2023-10-03 |
Family
ID=88184449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320888085.6U Active CN219783799U (en) | 2023-04-17 | 2023-04-17 | Roller, roller assembly and kite wheel applying roller assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219783799U (en) |
-
2023
- 2023-04-17 CN CN202320888085.6U patent/CN219783799U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |