CN211106724U - Spoke cap and spoke wheel - Google Patents
Spoke cap and spoke wheel Download PDFInfo
- Publication number
- CN211106724U CN211106724U CN201921982841.1U CN201921982841U CN211106724U CN 211106724 U CN211106724 U CN 211106724U CN 201921982841 U CN201921982841 U CN 201921982841U CN 211106724 U CN211106724 U CN 211106724U
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- hole
- sealing ring
- rod body
- rod
- spoke
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Abstract
The utility model 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 at the annular groove on the rod body, 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 surface 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. 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 utility model relates to a spoked wheel technical field especially relates to a spoke cap and 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.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the above-mentioned problem, provide a spoke cap and spoke wheel to solve present spoke cap machining precision and require highly, characteristics that the processing cost is high.
The utility model aims at realizing through 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 preferred scheme of the utility model, annular groove be 1.
As an optimized scheme of the utility model, lie in on the body of rod first sealing washer with be provided with the sealing ring between the second sealing washer, the sealing ring first sealing washer the second sealing washer structure as an organic whole.
As an optimized scheme of the utility model, the pole head is close to open on the terminal surface of body of rod one end has the installation notch, the second sealing washer holding in the installation notch.
As an optimized proposal of the utility model, the club head is kept away from the hexagonal socket has been seted up on the terminal surface of the body of rod one end.
As an optimized scheme of the utility model, the body of rod is provided with the guide part in its axial direction's first end department.
As an optimized proposal of the utility model, the rod body and the rod head are of an integrated structure.
As an optimized scheme of the utility model, annular groove be 2, 2 annular groove be in interval distribution on the body of rod.
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 preferred scheme of the utility model, a plurality of fixed orifices has been seted up on the rim, the fixed orifices includes first hole, second hole and the mounting hole that sets gradually by the rim outside to the rim inboard, first hole with pole head looks adaptation, just the aperture in first hole is greater than the aperture in second hole, the second hole with second sealing washer looks adaptation, just the aperture in second hole is greater than the aperture in mounting hole.
The beneficial effects of the utility model are that, the realization is hugged closely with the pore wall of mounting hole to the first sealing washer of above-mentioned spoke cap and is 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.
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 solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings. It is to be understood that the embodiments described herein are merely illustrative of the present invention and are not limiting thereof.
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 mentioned that, although in this embodiment, the annular groove 8 is 1, but the utility model discloses be not limited to this, annular groove 8 also can be 2 or 3 or more, and a plurality of annular groove 8 interval distribution, annular groove 8 is more, the first sealing washer 3 that set up is more in quantity, the leakproofness is better, but its cost is higher, consequently, because still be provided with second sealing washer 5 in this embodiment, it hugs closely on the outer edge of mounting hole, the sealing performance can already be guaranteed to the mode that both combine together, from this, this embodiment is the preferred scheme after combining sealing performance and 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 above embodiments have been merely illustrative of the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and does not depart from the spirit and scope of the present invention. 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 |
|---|---|---|---|
| CN201921982841.1U CN211106724U (en) | 2019-11-15 | 2019-11-15 | Spoke cap and spoke wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921982841.1U CN211106724U (en) | 2019-11-15 | 2019-11-15 | Spoke cap and spoke wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211106724U true CN211106724U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921982841.1U Active CN211106724U (en) | 2019-11-15 | 2019-11-15 | Spoke cap and spoke wheel |
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| CN (1) | CN211106724U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110654163A (en) * | 2019-11-15 | 2020-01-07 | 无锡市凯圣机械制造有限公司 | Spoke cap and spoke wheel |
-
2019
- 2019-11-15 CN CN201921982841.1U patent/CN211106724U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110654163A (en) * | 2019-11-15 | 2020-01-07 | 无锡市凯圣机械制造有限公司 | Spoke cap and spoke wheel |
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