Accessory mounting device for a bicycle

Abstract

Accessory attachment device for a bicycle, comprising: a body (20); and a limiting rod unit (30) with a first limiting rod (31) and a second limiting rod (32), wherein the first limiting rod (31) has a first connecting portion (311), a first limiting portion (312), and a first extension portion (313), wherein the first connecting portion (311) is connected to the body (20), wherein the first extension portion (313) is arranged between the first connecting portion (311) and the first limiting portion (312), wherein the second limiting rod (32) has a second connecting portion (321), a second limiting portion (322), and a second extension portion (323), wherein the second connecting portion (321) is connected to the body (20), wherein the second extension portion (323) is arranged between the second connecting portion (321) and the second limiting portion (322),wherein one end of the first extension portion (313) is adjacent to the first connecting portion (311), another end of the first extension portion (313) extends away from the second limiting rod (32), one end of the second extension portion (323) is adjacent to the second connecting portion (321), and another end of the second extension portion (323) extends away from the first limiting rod (31), wherein, the body (20) comprises a base (21; 21a; 21b) and a connecting element (22; 22a; 22b), wherein the base (21; 21a; 21b) has one end with a sliding groove (211), wherein the connecting element (22; 22a; 22b) has on one side thereof a sliding portion (221) and first and second insertion holes (222, 223) extending through the connecting element, wherein the sliding portion (221) is inserted into the sliding groove (211), wherein the first connecting portion (211) is inserted into the first insertion hole (222), and wherein the second connecting portion (221) is inserted into the second insertion hole (223), wherein both the first connecting portion (311) and the first insertion hole (222) have non-circular cross-sections, wherein the first limiting rod (31) is not rotatable relative to the connecting element (22; 22a; 22b), wherein a first fastening element (314) is arranged on the first limiting rod (31) and secured to one end of the first connecting portion (311), wherein the first fastening element (314) and the first extension portion (313) are arranged on two opposite sides of the connecting element (22; 22a; 22b), wherein both the second connecting portion (321) and the second insertion hole (223) have non-circular cross-sections, wherein the second limiting rod (32) is rotatable relative to the connecting element (22; 22a;22b) is not rotatable, wherein a second fastening element (324) is arranged on the second limiting rod (32) and fastened to one end of the second connecting portion (321), and wherein the second fastening element (324) and the second extension portion (323) are arranged on two opposite sides of the connecting element (22; 22a; 22b), wherein; the base (21; 21a; 21b) has a lateral hole (212) extending in a radial direction of the sliding groove (211), the lateral hole (212) communicating with the sliding groove (211), a connecting element (213) being mounted in the lateral hole (212), the sliding portion (221) having a connecting groove (224), and the connecting element (213) being inserted into the connecting groove (224), and the first limiting section (312) has a first section (315), a second section (316) and a first bent section (317), wherein the first section (315) is arranged adjacent to the first extension section (313), wherein the first bent section (317) is arranged between the first section (315) and the second section (316), wherein the second limiting section (322) has a third section (325), a fourth section (326) and a second bent section (327), wherein the third section (325) is adjacent to the second extension section (323), wherein the second bent section (327) is arranged between the third section (325) and the fourth section (326), wherein there is a gap between the first section (315) and the third section (325), which gap increases with increasing distance from the body (20), and wherein the second section (316) extends parallel to the fourth section (326).

Description

Background of the invention

[0001] The present invention relates to a fastening device and, in particular, to an accessory fastening device for a bicycle.

[0002] Taiwanese Utility Model No. TW M 578 667 U discloses a saddle bag intended to be mounted on a bicycle having a saddle unit. The saddle unit includes a saddle for riding and two mounting rods extending below the saddle and spaced apart from each other in a lateral direction. The saddle bag includes two housings and a closure unit. Each housing includes a side wall, a connecting wall extending from a periphery of the side wall toward the other housing, and a projection projecting outwardly from the side wall. The side walls and the connecting walls together define a receiving space. The closure is disposed between the connecting walls to detachably connect the connecting walls. The projections are interposed between the saddle and the two mounting rods and respectively abut against the two mounting rods.This allows the saddlebag to be safely positioned under the saddle.

[0003] Compared to traditional saddlebags with straps, the aforementioned saddlebag features protrusions for rigidly positioning the saddlebag. However, these protrusions are located at the edges of the saddlebag. If the saddlebag is relatively long and therefore protrudes backward, the saddlebag may wobble sideways while riding.

[0004] DE 10 2018 008 392 A1 describes a bracket for attaching a luggage carrying device to a bicycle saddle with two saddle springs arranged at a horizontal distance, with a holding block which can be placed on the saddle springs and clamped to the saddle springs from below by means of a clamping plate.

[0005] In view of the above-mentioned disadvantages of the conventional structure, there is a need for a bicycle accessory attachment device that overcomes these disadvantages. Brief description of the invention

[0006] It is an object of the present invention to provide an accessory attachment device for a bicycle comprising a body and a limit bar unit.

[0007] The problem is solved by the features of the independent claim.

[0008] The limit bar unit includes a first limit bar and a second limit bar. The first limit bar has a first connecting portion, a first limiting portion, and a first extending portion. The first connecting portion is connected to the body. The first extending portion is disposed between the first connecting portion and the first limiting portion. The second limit bar has a second connecting portion, a second limiting portion, and a second extending portion. The second connecting portion is connected to the body. The second extending portion is disposed between the second connecting portion and the second limiting portion. One end of the first extending portion is disposed near the first connecting portion. Another end of the first extending portion extends away from the second limit bar.One end of the second extension portion is adjacent to the second connecting portion. Another end of the second extension portion extends away from the first limit bar. Description of the drawings Fig. 1 shows a perspective view of an accessory attachment device for a bicycle according to a first embodiment of the present invention; Fig. 2 shows an exploded perspective view of the accessory fastening device according to the first embodiment of the present invention; Fig. 3 is a plan view of the accessory attachment device according to the first embodiment of the present invention; Fig. 4 shows a cross-sectional view of the accessory fastening device according to the first embodiment of the present invention; Fig. 5 is a schematic view showing the use of the accessory attachment device according to the first embodiment of the present invention on a bicycle; Fig. 6 is a perspective view of an accessory attachment device for a bicycle according to a second embodiment of the present invention; Fig. 7 is a partially exploded perspective view of the accessory attachment device according to the second embodiment of the present invention; Fig. 8 is a schematic view showing the use of the accessory attachment device according to the second embodiment of the present invention on a bicycle; Fig. 9 is a perspective view of an accessory attachment device for a bicycle according to a third embodiment of the present invention; Fig. 10 is an exploded perspective view of the accessory attachment device according to the third embodiment of the present invention; Fig. 11 is a schematic view illustrating the use of the accessory attachment device according to the third embodiment of the present invention on a bicycle; and Fig. 12 is a cross-sectional view showing the use of the accessory attachment device according to the third embodiment of the present invention on the bicycle. Detailed description of the invention

[0009] According to the Fig. 1-4, an accessory attachment device for a bicycle according to a first embodiment of the present invention includes a body 20 and a limit rod unit 30.

[0010] The limit rod unit 30 includes a first limit rod 31 and a second limit rod 32. The first limit rod 31 includes a first connecting portion 311, a first limiting portion 312, and a first extending portion 313. The first connecting portion 311 is connected to the body 20. The first extending portion 313 is disposed between the first connecting portion 311 and the first limiting portion 312. The second limit rod 32 includes a second connecting portion 321, a second limiting portion 322, and a second extending portion 323. The second connecting portion 321 is connected to the body 20. The second extending portion 323 is disposed between the second connecting portion 321 and the second limiting portion 322. One end of the first extending portion 313 is disposed adjacent to the first connecting portion 311.Another end of the first extension portion 313 extends away from the second limiting rod 32. One end of the second extension portion 323 is disposed adjacent to the second connecting portion 321. Another end of the second extension portion 323 extends away from the first limiting rod 31.

[0011] The body 20 includes a base 21 and a connecting member 22. The base 21 has one end with a sliding groove 211. The connecting member 22 has a sliding portion 221 on one side thereof and first and second insertion holes 222 and 223 extending through the connecting member. The sliding portion 221 is inserted into the sliding groove 211. The first connecting portion 311 is inserted into the first insertion hole 222. The second connecting portion 321 is inserted into the second insertion hole 223.

[0012] The first connecting portion 311 and the first insertion hole 222 each have non-circular cross sections. The first limit rod 31 is non-rotatable relative to the connecting member 22. A first fastening member 314 is arranged on the first limit rod 31 and fixed to one end of the first connecting portion 311. The first fastening member 314 and the first extension portion 313 are arranged on two opposite sides of the connecting member 22. The second connecting portion 321 and the second insertion hole 223 each have a non-circular cross section. The second limit rod 32 is non-rotatable relative to the connecting member 22. A second fastening member 324 is arranged on the second limit rod 32 and fixed to one end of the second connecting portion 321.The second fastening element 324 and the second extension portion 323 are arranged on two opposite sides of the connecting element 22.

[0013] The base 21 has a lateral hole 212 extending in a radial direction of the sliding groove 211. The lateral hole 212 communicates with the sliding groove 211. A connecting element 213 is mounted in the lateral hole 212. The sliding portion 221 has a connecting groove 224. The connecting element 213 is inserted into the connecting groove 224.

[0014] The first limiting portion 312 has a first portion 315, a second portion 316, and a first curved portion 317. The first portion 315 is adjacent to the first extension portion 313. The first curved portion 317 is disposed between the first portion 315 and the second portion 316. The second limiting portion 322 has a third portion 325, a fourth portion 326, and a second curved portion 327. The third portion 325 is adjacent to the second extension portion 323. The second curved portion 327 is disposed between the third portion 325 and the fourth portion 326. The gap between the first portion 315 and the third portion 325 increases with increasing distance from the body 20. The second portion 316 extends parallel to the fourth portion 326.

[0015] The first connecting portion 311 extends parallel to the second connecting portion 321. There is a bend between the first connecting portion 311 and the first extension portion 313, and the first connecting portion and the first extension portion extend in different directions. There is a bend between the second connecting portion 321 and the second extension portion 323, and the second connecting portion and the second extension portion extend in different directions.

[0016] The body 20 includes a saddle frame clamp block 23 for clamping a saddle frame. The saddle frame clamp block 23 is mounted at one end of the base 21 opposite the limit bar unit 30. The end of the base 21 opposite the limit bar unit 30 includes two first grooves 214 through which the saddle frame extends. The saddle frame clamp block 23 includes two second grooves 231 through which the saddle frame extends, each aligned with the first two grooves 214.

[0017] The sliding groove 211 has an inner circumference with T-shaped cross sections. The sliding portion 221 has an outer circumference with T-shaped cross sections.

[0018] Fig. Figure 5 shows the use of the accessory attachment device according to the first embodiment of the present invention on a bicycle. Due to the above structure, the attachment device 10 can provide a securing effect for a saddle bag 90, preventing the saddle bag 90 from rocking left and right during cycling.

[0019] The Fig. 6-8 show an accessory fastening device according to a second embodiment of the present invention. The second embodiment is substantially similar to the first embodiment. The main differences are that the fastening device 10a includes an upper clamping plate 40a secured to a side of the connecting element 22a opposite the base 21a by a plurality of upper fastening elements 41a. In this embodiment, the plurality of upper fastening elements 41a extend from a side of the upper clamping plate 40a opposite the connecting element 22a through the upper clamping plate 40a and are threadably connected to the connecting element 22a.

[0020] The upper clamp plate 40a can be mounted in the saddlebag 90. The plurality of upper fasteners 41a can secure the saddlebag 90 to the connecting element 22a.

[0021] The Fig.9-12 show an accessory fastening device according to a third embodiment of the present invention. The third embodiment is substantially similar to the first embodiment. The main differences are that the fastening device 10b includes an upper clamping plate 40b, a first lateral clamping plate 50b, and a second lateral clamping plate 60b. The upper clamping plate 40b is attached to a side of the connecting element 22b opposite the base 21b by a plurality of upper fastening elements 41b. The first lateral clamping plate 50b is attached to a side of the second section 316b adjacent the fourth section 326b by a plurality of first lateral fastening elements 51b. The second lateral clamping plate 60b is attached to a side of the fourth section 326b adjacent the second section 316b by a plurality of second lateral fastening elements 61b.

[0022] In this embodiment, the plurality of upper fastening elements 41b extend from a side of the upper clamping plate 40b opposite the connecting element 22b through the upper clamping plate 40b and are in threaded connection with the connecting element 22b. In this embodiment, the plurality of first lateral fastening elements 51b extend from a side of the first lateral clamping plate 50b opposite the second section 316b through the first side clamping board 50b and are in threaded connection with the second section 316b. In this embodiment, the plurality of second lateral fastening elements 61b extend from a side of the second lateral clamping plate 60b opposite the fourth section 326b through the second lateral clamping plate 60b and are in threaded connection with the fourth section 326b.

[0023] The upper clamping plate 40b, the first side clamping plate 50b, and the second side clamping plate 60b may be mounted in the saddlebag 90. The plurality of upper fasteners 41b may secure the saddlebag 90 to the connecting member 22b. The plurality of first side fasteners 51b may secure the saddlebag 90 to the second section 316b. The plurality of second side fasteners 61b may secure the saddlebag 90 to the fourth section 326b.

Claims

[1] Accessory attachment device for a bicycle, comprising: a body (20); and a limiting rod unit (30) with a first limiting rod (31) and a second limiting rod (32), wherein the first limiting rod (31) has a first connecting portion (311), a first limiting portion (312), and a first extension portion (313), wherein the first connecting portion (311) is connected to the body (20), wherein the first extension portion (313) is arranged between the first connecting portion (311) and the first limiting portion (312), wherein the second limiting rod (32) has a second connecting portion (321), a second limiting portion (322), and a second extension portion (323), wherein the second connecting portion (321) is connected to the body (20), wherein the second extension portion (323) is arranged between the second connecting portion (321) and the second limiting portion (322),wherein one end of the first extension portion (313) is adjacent to the first connecting portion (311), another end of the first extension portion (313) extends away from the second limiting rod (32), one end of the second extension portion (323) is adjacent to the second connecting portion (321), and another end of the second extension portion (323) extends away from the first limiting rod (31), the body (20) comprises a base (21; 21a; 21b) and a connecting element (22; 22a; 22b), wherein the base (21; 21a; 21b) has one end with a sliding groove (211), wherein the connecting element (22; 22a; 22b) has on one side thereof a sliding portion (221) and first and second insertion holes (222, 223) extending through the connecting element, wherein the sliding portion (221) is inserted into the sliding groove (211), wherein the first connecting portion (211) is inserted into the first insertion hole (222), and wherein the second connecting portion (221) is inserted into the second insertion hole (223), wherein both the first connecting portion (311) and the first insertion hole (222) have non-circular cross-sections, wherein the first limiting rod (31) is not rotatable relative to the connecting element (22; 22a; 22b), wherein a first fastening element (314) is arranged on the first limiting rod (31) and secured to one end of the first connecting portion (311), wherein the first fastening element (314) and the first extension portion (313) are arranged on two opposite sides of the connecting element (22; 22a; 22b), wherein both the second connecting portion (321) and the second insertion hole (223) have non-circular cross-sections, wherein the second limiting rod (32) is rotatable relative to the connecting element (22; 22a;22b) is not rotatable, wherein a second fastening element (324) is arranged on the second limiting rod (32) and fastened to one end of the second connecting portion (321), and wherein the second fastening element (324) and the second extension portion (323) are arranged on two opposite sides of the connecting element (22; 22a; 22b), wherein; the base (21; 21a; 21b) has a lateral hole (212) extending in a radial direction of the sliding groove (211), the lateral hole (212) communicating with the sliding groove (211), a connecting element (213) being mounted in the lateral hole (212), the sliding portion (221) having a connecting groove (224), and the connecting element (213) being inserted into the connecting groove (224), and the first limiting section (312) has a first section (315), a second section (316) and a first bent section (317), wherein the first section (315) is arranged adjacent to the first extension section (313), wherein the first bent section (317) is arranged between the first section (315) and the second section (316), wherein the second limiting section (322) has a third section (325), a fourth section (326) and a second bent section (327), wherein the third section (325) is adjacent to the second extension section (323), wherein the second bent section (327) is arranged between the third section (325) and the fourth section (326), wherein there is a gap between the first section (315) and the third section (325), which gap increases with increasing distance from the body (20), and wherein the second section (316) extends parallel to the fourth section (326). [2] The accessory attachment device for a bicycle according to the preceding claim, wherein the first connecting portion (311) extends parallel to the second connecting portion (321), wherein there is a bend between the first connecting portion (311) and the first extension portion (313), and the first connecting portion and the first extension portion extend in different directions, and wherein there is a bend between the second connecting portion (321) and the second extension portion (323), and the second connecting portion and the second extension portion extend in different directions. [3] The accessory attachment device for a bicycle according to the preceding claim, wherein the body (20) comprises a seat frame clamp block (23) mounted on an end of the base (21; 21a; 21b) opposite the limit bar unit (30), the end of the base (21; 21a; 21b) opposite the limit bar unit (30) having two first grooves (214) through which a seat frame extends, the seat frame clamp block (23) having two second grooves (231) through which the seat frame extends and which are respectively aligned with the two first grooves (214), the sliding groove (211) having an inner periphery with T-shaped cross sections, and the sliding portion (221) having an outer periphery with T-shaped cross sections. [4] An accessory attachment device for a bicycle according to any one of the preceding claims, wherein the attachment device (10a; 10b) comprises an upper clamping plate (40a; 40b) which is attached to a side of the connecting element (22a; 22b) opposite the base (21a; 21b) by a plurality of upper fastening elements (41a; 41b), the plurality of upper fastening elements (41a; 41b) extending from a side of the upper clamping plate (40a; 40b) opposite the connecting element (22a; 22b) through the upper clamping plate (40a; 40b) and being threadably connected to the connecting element (22a; 22b). [5] Accessory attachment device for a bicycle according to the preceding claim, wherein the attachment device (10b) comprises a first lateral clamping plate (50b) and a second lateral clamping plate (60b), wherein the first lateral clamping plate (50b) is fastened by a plurality of first lateral fastening elements (51b) to a side of the second section (316b) adjacent to the fourth section (326b), and wherein the second lateral clamping plate (60b) is fastened by a plurality of second lateral fastening elements (61b) to a side of the fourth section (326b) adjacent to the second section (316b). [6] The accessory attachment device for a bicycle according to the preceding claim, wherein the plurality of upper fastening elements (41b) extend from a side of the upper clamping plate (40b) opposite the connecting element (22b) through the upper clamping plate (40b) and are threadably connected to the connecting element (22b), wherein the plurality of first lateral fastening elements (51b) extend from a side of the first lateral clamping plate (50b) opposite the second portion (316b) through the first lateral clamping plate (50b) and are threadably connected to the second portion (316b), and wherein the plurality of second lateral fastening elements (61b) extend from a side of the second lateral clamping plate (60b) opposite the fourth portion (326b) through the second lateral clamping plate (60b) and are threadably connected to the fourth portion (326b).

Images