Spoke cap

Abstract

The utility model relates to a spoke cap head which comprises a rod body used for being connected with a spoke and a radial blocking protrusion arranged on the rod body in a protruding mode in the radial direction, the rod body comprises a large-diameter portion and a small-diameter section, the small-diameter section is connected between the large-diameter portion and the radial blocking protrusion, and a concave-convex structure is arranged on the circumferential face of the large-diameter portion. The large diameter of the large-diameter part is larger than that of the small-diameter section, and the small diameter of the large-diameter part is smaller than that of the radial blocking protrusion. The spoke cap head is arranged in a radial through hole of a rim in a penetrating mode through the rod body, and the radial blocking protrusion abuts against one side of the rim. Therefore, a cushion piece can be limited and does not fall off at will, and installation operation is facilitated.

Description

Technical Field

[0001] The utility model relates to a wheel component, in particular to a spoke nipple. Background Art

[0002] The wheel rim mainly utilizes the space between the left and right ends of the axle and the rim, and cooperates with a plurality of spokes to be simultaneously tensioned so that the rim can maintain a firm and reliable circular state, and then it can rotate smoothly on the road surface. Therefore, to obtain a firm and reliable wheel rim, the key lies in whether the spokes are evenly tightened.

[0003] Generally speaking, a spoke nipple (or copper head) is used to stably connect the spoke and the rim, and the spoke tension can be further adjusted. The conventional spoke nipple includes a shank for connecting the spoke and a radial stop convex protruding radially from the shank. A washer is sleeved on the radial stop convex. The spoke nipple is inserted through a radial perforation of the rim with the shank, and the radial stop convex is resisted against one side of the rim. However, the inner diameter of the washer is larger than the outer diameter of the shank. Therefore, during the installation of the spoke, the washer is likely to fall off, causing great trouble in the installation operation.

[0004] Therefore, it is necessary to provide a novel and progressive spoke nipple to solve the above problems. Summary of the Utility Model

[0005] The main object of the utility model is to provide a spoke nipple that can limit a washer and prevent it from falling off randomly, facilitating the installation operation.

[0006] To achieve the above object, the utility model provides a spoke nipple, including: a shank for connecting a spoke and a radial stop convex protruding radially from the shank. The shank includes a large-diameter portion and a small-diameter segment. The small-diameter segment is connected between the large-diameter portion and the radial stop convex. An uneven structure is provided on the circumferential surface of the large-diameter portion. The large-diameter portion is larger in diameter than the small-diameter segment and smaller than the radial stop convex. The spoke nipple is inserted through a radial perforation of a rim with the shank, and the radial stop convex is resisted against one side of the rim.

[0007] Preferably, the shank further includes a first end portion and a second end portion. At least one of the first end portion and the second end portion includes a non-circular outer circumferential surface. The shank further includes an internal thread for screwing with the spoke.

[0008] Preferably, the uneven structure is annularly arranged on the large-diameter portion.

[0009] Preferably, it further includes a washer. The inner diameter of the washer is not greater than the radial dimension of the large-diameter portion and greater than the radial dimension of the small-diameter segment. The washer is located between the radial stop convex and the large-diameter portion.

[0010] Preferably, the concave-convex structure includes at least one radial groove and at least one flange protruding from the peripheral edge of the notch of the at least one radial groove.

[0011] Preferably, the concave-convex structure includes a plurality of radial grooves and a plurality of flanges protruding from the peripheral edges of the notches of the plurality of radial grooves.

[0012] Preferably, each of the flanges protrudes from at least one side of the peripheral edge of the notch of one of the radial grooves.

[0013] Preferably, each of the flanges protrudes from all sides of the peripheral edge of the notch of one of the radial grooves.

[0014] Preferably, each of the flanges includes a first part and a second part that are axially opposite. The first part is adjacent to the small-diameter section and is parallel to a radial cross-section direction of the rod body. The middle part of the second part protrudes away from the small-diameter section.

[0015] Preferably, the radial stop protrusion includes an annular abutting surface that tapers in the direction of the large-diameter portion; the rod body further includes a first end and a second end, and at least one of the first end and the second end includes a non-circular outer peripheral surface; the rod body further includes an internal threaded hole for screwing with the spoke; the washer includes two side surfaces, a circumferential inclined surface connecting between the two side surfaces, and a tapered hole penetrating between the two side surfaces and tapering in the direction of the large-diameter portion. The hole wall surface of the tapered hole faces the annular abutting surface; the concave-convex structure includes a plurality of radial grooves and a plurality of flanges protruding from the peripheral edges of the notches of the plurality of radial grooves; each of the flanges protrudes from all sides of the peripheral edge of the notch of one of the radial grooves; each of the flanges includes a first part and a second part that are axially opposite. The first part is adjacent to the small-diameter section and is parallel to a radial cross-section direction of the rod body. The middle part of the second part protrudes away from the small-diameter section; each of the flanges further includes two third parts connecting between the first part and the second part, so that each of the flanges forms an annular structure.

[0016] The advantages of the present utility model are as follows:

[0017] The spoke cap head provided by the present utility model can limit a gasket and prevent it from falling out randomly, which is convenient for installation operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a perspective view of an embodiment of the present utility model.

[0019] Figure 2 is an exploded view of an embodiment of the present utility model.

[0020] Figure 3 is a sectional view of an embodiment of the present utility model.

[0021] Figure 4 isFigure 3 Partial enlarged view.

[0022] Figure 5 Schematic diagram of the application of an embodiment of the present utility model. Detailed implementation manners

[0023] The following only uses embodiments to illustrate possible implementation modes of the present utility model, but is not used to limit the scope to be protected by the present utility model. The "one" or "at least one" prefixed to the nouns mentioned in the text does not limit the quantity. According to requirements, it can also be "a plurality" of them. Such changes in quantity are also within the scope to be protected. This is stated first for clarification.

[0024] Please refer to Figures 1 to 5 , which shows an embodiment of the present utility model. The spoke nipple 1 of the present utility model includes a shank 10 for connecting a spoke 101 and a radial stop convex 20 radially protruding from the shank 10. The shank 10 includes a large-diameter portion 11 and a small-diameter section 12. The small-diameter section 12 is connected between the large-diameter portion 11 and the radial stop convex 20. An uneven structure 111 is provided on the circumferential surface of the large-diameter portion 11. The large-diameter portion 11 is larger in diameter than the small-diameter section 12 and smaller in diameter than the radial stop convex 20. The spoke nipple 1 is inserted through a radial through hole 102 of a rim 100 with the shank 10, and the radial stop convex 20 is resisted against one side of the rim 100. Thus, a spacer (such as a washer) can be limited between the radial stop convex 20 and the large-diameter portion 11 and will not fall off randomly, and it is convenient for installation operations.

[0025] The shank 10 further includes a first end 13 and a second end 14. At least one of the first end 13 and the second end 14 includes a non-circular outer peripheral surface (such as a quadrilateral, a hexagon, or a shape convenient for cooperation with a disassembly tool). The shank 10 further includes an internal threaded hole 15 for screwing with the spoke 101. Preferably, both the first end 13 and the second end 14 include the non-circular outer peripheral surface, and operations such as locking, loosening, and adjusting the tension of the spoke between the spoke nipple 1 and the spoke 101 can be performed separately or simultaneously on the inner and outer sides of the rim 100.

[0026] In this embodiment, the uneven structure 111 is annularly arranged on the large-diameter portion 11. In other possible embodiments, the uneven structure may also be distributed in multiple blocks at intervals on the large-diameter portion. The spoke nipple 1 further includes a washer 30. The inner diameter of the washer 30 is not greater than the radial dimension of the large-diameter portion 11 and is greater than the radial dimension of the small-diameter section 12. The washer 30 is located between the radial stop convex 20 and the large-diameter portion 11. Among them, applying force to the washer 30 can force the inner hole edge of the washer 30 to pass through the large-diameter portion 11. Since the inner diameter of the washer 30 is not greater than the radial dimension of the large-diameter portion 11, the washer 30 can be effectively limited between the radial stop convex 20 and the large-diameter portion 11.

[0027] Specifically, the radial stop projection 20 includes a circumferential abutting surface 21 that tapers toward the large-diameter portion 11. When the spoke is tensioned, the circumferential abutting surface 21 can automatically guide and balance the tension, and can prevent the spoke from being bent and deformed by lateral forces. The washer 30 includes two side surfaces 31, a circumferential inclined surface 32 connected between the two side surfaces 31, and a tapered hole 33 that penetrates between the two side surfaces 31 and tapers toward the large-diameter portion 11. The hole wall surface of the tapered hole 33 faces the circumferential abutting surface 21. When the spoke is tensioned, the hole wall of the tapered hole 33 can automatically guide and balance the tension relative to the circumferential abutting surface 21, and can prevent the spoke from being bent and deformed by lateral forces.

[0028] The concave-convex structure 111 includes at least one radial groove 112 and at least one flange 113 protruding from the peripheral edge of the notch of the at least one radial groove 112. In this embodiment, the concave-convex structure 111 includes a plurality of radial grooves 112 and a plurality of flanges 113 protruding from the peripheral edges of the notches of the plurality of radial grooves 112. Specifically, each flange 113 protrudes from at least one side of the peripheral edge of a radial groove 112. Preferably, each flange 113 protrudes from all sides of the peripheral edge of a radial groove 112, having a better blocking and limiting effect. The top end of the flange 113 can be in a sharp-corner shape, an arc-corner shape, a flat shape, or other shapes. Each flange 113 can be adjacent, spaced apart, or there is a common flange 113 between two adjacent radial grooves 112. Among them, the concave-convex structure 111 can be formed by rolling, stamping, milling, drilling, or any appropriate processing method. The flange 113 is formed, for example, by the material flow, burrs, processing depth differences, etc. generated during the processing of the rod body 10. For example, but not limited to, through the above processing methods, the concave-convex structure 111 can be formed simply and quickly, and the manufacturing cost can be greatly reduced.

[0029] Preferably, each flange 113 includes a first portion 114 and a second portion 115 that are axially opposite. The first portion 114 is adjacent to the small-diameter section 12 and is parallel to the radial cross-section direction of the rod body 10, which can effectively and reliably block and limit the washer 30. The middle part of the second portion 115 protrudes away from the small-diameter section 12, providing less resistance at the initial position, which is beneficial for the inner hole edge of the washer 30 to pass through the large-diameter portion 11. In this embodiment, each flange 113 further includes two third portions 116 connected between the first portion 114 and the second portion 115, such that each flange 113 forms an annular structure, which can provide a more reliable blocking and limiting effect.

[0030] The above are the preferred embodiments of the present utility model and the technical principles applied thereto. For those skilled in the art, any obvious changes such as equivalent transformations and simple replacements based on the technical solution of the present utility model without departing from the spirit and scope of the present utility model shall fall within the protection scope of the present utility model.

Claims

1. A spoke cap head, characterized in that, It includes a rod body for connecting a spoke and a radial stop convex protruding radially from the rod body. The rod body includes a large-diameter portion and a small-diameter section. The small-diameter section is connected between the large-diameter portion and the radial stop convex. An uneven structure is provided on the circumferential surface of the large-diameter portion. The large-diameter portion is larger in diameter than the small-diameter section and smaller than the radial stop convex. The spoke cap is passed through a radial perforation of a rim with the rod body, and the radial stop convex is resisted against one side of the rim.

2. The spoke cap according to claim 1, characterized in that, The rod body further includes a first end portion and a second end portion. At least one of the first end portion and the second end portion includes a non-circular outer circumferential surface. The rod body further includes an internal thread hole for screwing with the spoke.

3. The spoke cap according to claim 1, wherein, The uneven structure is provided annularly on the large-diameter portion.

4. The spoke cap according to claim 3, characterized in that, It further includes a washer. The inner diameter of the washer is not greater than the radial dimension of the large-diameter portion and greater than the radial dimension of the small-diameter section. The washer is located between the radial stop convex and the large-diameter portion.

5. The spoke cap according to claim 1, wherein, The uneven structure includes at least one radial groove and at least one flange protruding from the peripheral edge of the notch of the at least one radial groove.

6. The spoke cap according to claim 1, wherein The uneven structure includes a plurality of radial grooves and a plurality of flanges protruding from the peripheral edges of the notches of the plurality of radial grooves.

7. The spoke cap according to claim 5 or 6, characterized in that, Each of the flanges protrudes from at least one side of the peripheral edge of the notch of a radial groove.

8. The spoke cap according to claim 7, wherein, Each of the flanges protrudes from all sides of the peripheral edge of a radial groove.

9. The spoke cap according to claim 7, characterized in that, Each of the flanges includes an axially opposite first portion and a second portion. The first portion is adjacent to the small-diameter section and parallel to the direction of a radial cross-section of the rod body. The middle part of the second portion protrudes away from the small-diameter section.

10. The spoke cap according to claim 4, characterized in that, The radial stop convex includes a ring abutting surface that tapers towards the large-diameter portion. The rod body further includes a first end portion and a second end portion. At least one of the first end portion and the second end portion includes a non-circular outer circumferential surface. The rod body further includes an internal thread hole for screwing with the spoke. The washer includes two side surfaces, a circumferential inclined surface connecting between the two side surfaces, and a tapered hole penetrating between the two side surfaces and tapering towards the large-diameter portion. The hole wall surface of the tapered hole faces the ring abutting surface. The uneven structure includes a plurality of radial grooves and a plurality of flanges protruding from the peripheral edges of the notches of the plurality of radial grooves. Each of the flanges protrudes from all sides of the peripheral edge of a radial groove. Each of the flanges includes an axially opposite first portion and a second portion. The first portion is adjacent to the small-diameter section and parallel to the direction of a radial cross-section of the rod body. The middle part of the second portion protrudes away from the small-diameter section. Each of the flanges further includes two third portions connecting between the first portion and the second portion, such that each of the flanges forms an annular structure.

Images