CN110654163A - Spoke cap and spoke wheel - Google Patents
Spoke cap and spoke wheel Download PDFInfo
- Publication number
- CN110654163A CN110654163A CN201911119797.6A CN201911119797A CN110654163A CN 110654163 A CN110654163 A CN 110654163A CN 201911119797 A CN201911119797 A CN 201911119797A CN 110654163 A CN110654163 A CN 110654163A
- Authority
- CN
- China
- Prior art keywords
- hole
- sealing ring
- rod body
- spoke
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B1/00—Spoked wheels; Spokes thereof
- B60B1/02—Wheels with wire or other tension spokes
- B60B1/04—Attaching spokes to rim or hub
- B60B1/041—Attaching spokes to rim or hub of bicycle wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B1/00—Spoked wheels; Spokes thereof
- B60B1/02—Wheels with wire or other tension spokes
- B60B1/04—Attaching spokes to rim or hub
- B60B1/043—Attaching spokes to rim
- B60B1/044—Attaching spokes to rim by the use of spoke nipples
- B60B1/047—Attaching spokes to rim by the use of spoke nipples the nipple comprising sealing means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2200/00—Type of product being used or applied
- B60B2200/40—Articles of daily use
- B60B2200/47—Physical activity equipment, e.g. leisure or sports articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2900/00—Purpose of invention
- B60B2900/30—Increase in
- B60B2900/321—Lifetime
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention discloses a spoke cap which comprises a rod body, wherein a threaded blind hole is formed in the first end of the rod body in the axial direction, at least one annular groove is formed in the outer wall of the rod body, a first sealing ring is sleeved on the rod body at the annular groove, a rod head is fixedly connected to the second end of the rod body in the axial direction, and a second sealing ring is arranged on the end face, close to one end of the rod body, of the rod head; in the installation state, the rod body penetrates through the installation hole and extends out, the first sealing ring is tightly attached to the hole wall of the installation hole to realize sealing, and the second sealing ring is tightly attached to the outer edge of the installation hole to realize sealing. The first sealing washer of above-mentioned spoke cap is hugged closely with the pore wall of mounting hole and is realized sealed, and the second sealing washer is compressed tightly by the pole head and laminates in the outer edge of mounting hole, compares in the structure of traditional spoke cap, and its sealing performance is more excellent, and life is longer, and changes processing, simple structure, easily realization.
Description
Technical Field
The invention relates to the technical field of spoked wheels, in particular to a spoke cap and a spoked wheel.
Background
In motorcycles and bicycles, spoked wheels are often used. The spoked wheel mainly comprises a hub, a rim and spokes for connecting the hub and the rim, and the spoked wheel can absorb impact and can also realize light weight through deformation of the rim and the spokes, and can be automatically adjusted if an obstacle is met.
Vacuum tires are widely used because of their low puncture performance, however, in the prior art, the spoked wheel for vacuum tires on the market is provided with mounting holes directly formed on the rim, and then the spokes are sealed and mounted by spoke caps to achieve tubeless design. Chinese patent application No. 201780040843.6 discloses a joint for tubeless spoked wheels comprising first and second shoulders formed on a stem having an axial blind bore with an internal thread at one end of the stem, the first shoulder being at the distal end of the opening of the axial bore and the second shoulder being in the region of the stem near the opening. A first recess for a seal ring is formed on the stem, the first recess being rearward of the first shoulder, and at least one second recess for a second seal ring is formed on the stem between the first recess and the second shoulder. Although the spoke cap with the structure can meet the sealing requirement, the requirement on the machining precision is high, if the fit clearance between the sealing ring and the concave part is too large, the sealing performance of the spoke cap is difficult to meet the requirement, and if the fit clearance between the sealing ring and the concave part is too small, the sealing ring is easy to damage after being extruded, so that the service life is greatly reduced, and therefore the problem is urgently needed to be solved.
Disclosure of Invention
The invention aims to provide a spoke cap and a spoke wheel aiming at the problems, and aims to solve the problems that the existing spoke cap is high in machining precision requirement and high in machining cost.
The purpose of the invention is realized by the following technical scheme:
a spoke cap comprises a rod body, wherein a threaded blind hole is formed in the first end of the rod body in the axial direction, at least one annular groove is formed in the outer wall of the rod body, a first sealing ring is sleeved on the rod body at the annular groove, a rod head is fixedly connected to the second end of the rod body in the axial direction, and a second sealing ring is mounted on the end face, close to one end of the rod body, of the rod head; in the installation state, the rod body penetrates through the installation hole and extends out, the first sealing ring is tightly attached to the hole wall of the installation hole to realize sealing, and the second sealing ring is tightly attached to the outer edge of the installation hole to realize sealing.
As a preferable scheme of the invention, the number of the annular grooves is 1.
As a preferable scheme of the present invention, a sealing ring is disposed on the rod body between the first sealing ring and the second sealing ring, and the sealing ring, the first sealing ring, and the second sealing ring are of an integrated structure.
As a preferable scheme of the present invention, the club head has an installation notch on an end surface adjacent to one end of the club body, and the second sealing ring is accommodated in the installation notch.
As a preferable scheme of the invention, the club head is provided with a hexagon socket on an end surface far away from one end of the club body.
As a preferable aspect of the present invention, the rod body is provided with a guide portion at a first end in an axial direction thereof.
As a preferable aspect of the present invention, the shaft and the club head are of an integral structure.
As a preferable scheme of the present invention, the number of the annular grooves is 2, and the 2 annular grooves are distributed on the rod body at intervals.
A spoke wheel comprises a rim, a hub and a plurality of spokes, wherein one ends of the spokes are connected to the hub, the other ends of the spokes are fixed to the rim through spoke caps, and the spoke caps are the spoke caps.
As a preferable scheme of the present invention, the rim is provided with a plurality of fixing holes, the fixing holes include a first hole, a second hole and a mounting hole, which are sequentially arranged from an outer side of the rim to an inner side of the rim, the first hole is adapted to the club head, an aperture of the first hole is larger than an aperture of the second hole, the second hole is adapted to the second seal ring, and an aperture of the second hole is larger than an aperture of the mounting hole.
The spoke cap has the beneficial effects that the first sealing ring of the spoke cap is tightly attached to the hole wall of the mounting hole to realize sealing, and the second sealing ring is tightly pressed and attached to the outer edge of the mounting hole by the rod head.
Drawings
FIG. 1 is a schematic view of a spoke cap;
FIG. 2 is a schematic view of a rod body;
FIG. 3 is a schematic view of the spoke cap in an installed state;
fig. 4 is an enlarged view of fig. 3 at a.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings. It is to be understood that the embodiments described herein are illustrative only and are not limiting upon the present invention.
Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of a spoke cap; FIG. 2 is a schematic view of a rod body; FIG. 3 is a schematic view of the spoke cap in an installed state; fig. 4 is an enlarged view of fig. 3 at a.
In this embodiment, a spoke cap includes a rod body 1, a threaded blind hole 2 is formed in an end of a lower end of the rod body 1, 1 annular groove 8 is formed in an outer wall of the rod body 1, a first seal ring 3 is sleeved at the annular groove 8 on the rod body 1, a rod head 4 is fixedly connected to an upper end of the rod body 1, a hexagonal socket facilitating screwing is formed in an end face of the upper end of the rod head 4, a mounting notch 9 is formed in an end face of the lower end of the rod head 4, a second seal ring 5 is contained in the mounting notch 9, a seal ring 6 is arranged between the first seal ring 3 and the second seal ring 5 on the rod body 1, and the seal ring 6, the first seal ring 3 and the second seal ring 5 are of an integrated structure; in the installation state, the rod body 1 penetrates through the installation hole to extend out, the first sealing ring 3 is tightly attached to the hole wall of the installation hole to realize sealing, and the second sealing ring 5 is tightly attached to the outer edge of the installation hole to realize sealing.
It should be noted that, although in the present embodiment, the number of the annular grooves 8 is 1, the present invention is not limited thereto, the number of the annular grooves 8 may also be 2 or 3 or more, and the plurality of annular grooves 8 are distributed at intervals, the greater the number of the annular grooves 8, the greater the number of the first seal rings 3, the better the sealing performance, but the cost is higher, therefore, since the second seal ring 5 is further provided in the present embodiment, the second seal ring clings to the outer edge of the mounting hole, the sealing performance can be ensured by combining the two, and therefore, the present embodiment is a preferred scheme after combining the sealing performance and the cost.
In this embodiment, in order to facilitate the rod body 1 to extend into the mounting hole, a guide portion 7 is disposed at the end of the lower end of the rod body 1.
In order to facilitate the production and manufacture, in this embodiment, the club body 1 and the club head 4 are an integral structure.
The embodiment also discloses a spoked wheel, which comprises a rim 10, a hub and a plurality of spokes, wherein one end of each spoke is connected with the hub, and the other end of the spoke is fixed to the rim 10 by a spoke cap, which is the spoke cap as described above, specifically, the rim 10 is provided with a plurality of fixing holes, the fixing holes comprise a first hole, a second hole and a mounting hole which are sequentially arranged from the outer side of the rim to the inner side of the rim, the first hole is matched with the rod head 4, the aperture of the first hole is larger than that of the second hole, the second hole is matched with the second sealing ring 5, and the aperture of the second hole is larger than that of the mounting hole, the rod body 1 of the spoke cap sequentially penetrates through the first hole, the second hole and the mounting hole and then extends out, and the other end of the spoke is in threaded connection with the inside of the threaded blind hole 2 of the rod body 1.
The first sealing ring 3 of above-mentioned spoke cap is hugged closely with the pore wall of mounting hole and is realized sealed, and second sealing ring 5 is compressed tightly by pole head 4 and laminates in the outer edge of mounting hole, compares in the structure of traditional spoke cap, and its sealing performance is more excellent, and life is longer, and changes processing, simple structure, easily realization.
The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but rather is susceptible to various changes and modifications without departing from the spirit and scope of the invention, which changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims.
Claims (10)
1. The utility model provides a spoke cap, includes the body of rod, it has screw thread blind hole, its characterized in that to open at its axial direction's first end to the body of rod: the outer wall of the rod body is provided with at least one annular groove, a first sealing ring is sleeved on the rod body at the annular groove, the end head of the second end of the rod body in the axial direction is fixedly connected with a rod head, and a second sealing ring is arranged on the end face of the rod head adjacent to one end of the rod body; in the installation state, the rod body penetrates through the installation hole and extends out, the first sealing ring is tightly attached to the hole wall of the installation hole to realize sealing, and the second sealing ring is tightly attached to the outer edge of the installation hole to realize sealing.
2. The spoke cap defined in claim 1, wherein: the number of the annular grooves is 1.
3. The spoke cap defined in claim 2, wherein: and a sealing ring is arranged between the first sealing ring and the second sealing ring on the rod body, and the sealing ring, the first sealing ring and the second sealing ring are of an integrated structure.
4. The spoke cap defined in claim 3, wherein: the end face of the rod head, which is adjacent to one end of the rod body, is provided with an installation notch, and the second sealing ring is accommodated in the installation notch.
5. The spoke cap defined in claim 4, wherein: the head is provided with a hexagon socket on the end face far away from one end of the rod body.
6. The spoke cap defined in claim 5, wherein: the rod body is provided with a guide part at the first end in the axial direction.
7. A spoke cap according to any one of claims 1 to 6, wherein: the rod body and the rod head are of an integrated structure.
8. The spoke cap defined in claim 1, wherein: the annular groove be 2, 2 annular groove be in the body of rod interval distribution.
9. The utility model provides a spoked wheel, includes rim, wheel hub and a plurality of spoke, the one end of spoke is connected on wheel hub, just the other end of spoke is fixed in through the spoke cap on the rim, its characterized in that: the spoke cap according to any one of claims 1 to 8.
10. A wheel according to claim 9, wherein: the wheel rim is provided with a plurality of fixing holes, each fixing hole comprises a first hole, a second hole and a mounting hole, the first hole, the second hole and the mounting hole are sequentially formed from the outer side of the wheel rim to the inner side of the wheel rim, the first hole is matched with the rod head, the aperture of the first hole is larger than that of the second hole, the second hole is matched with the second sealing ring, and the aperture of the second hole is larger than that of the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911119797.6A CN110654163A (en) | 2019-11-15 | 2019-11-15 | Spoke cap and spoke wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911119797.6A CN110654163A (en) | 2019-11-15 | 2019-11-15 | Spoke cap and spoke wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110654163A true CN110654163A (en) | 2020-01-07 |
Family
ID=69043678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911119797.6A Pending CN110654163A (en) | 2019-11-15 | 2019-11-15 | Spoke cap and spoke wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110654163A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114801580A (en) * | 2022-05-30 | 2022-07-29 | 浙江万丰摩轮有限公司 | Spoke assembly and spoke wheel comprising same |
-
2019
- 2019-11-15 CN CN201911119797.6A patent/CN110654163A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114801580A (en) * | 2022-05-30 | 2022-07-29 | 浙江万丰摩轮有限公司 | Spoke assembly and spoke wheel comprising same |
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