TW202035196A - Ball clamping mechanism and a bicycle carrier including the same - Google Patents

Abstract

A ball clamping mechanism and a bicycle carrier including the same are provided. The ball clamping mechanism includes a case, a clamping assembly, an adjusting member and a tightening structure. The clamping assembly includes a first clamping block and a second clamping block, which are rotatably assembled with the case. One of the first clamping block and the second clamping block has an inclined plane. The adjusting member is movably disposed on the case to selectively abut against the inclined plane. The tightening structure is rotatably assembled with the case.

Description

Ball-clamping structure and vehicle carrying frame including the ball-clamping structure

The invention relates to a ball-clamping structure and a carriage frame including the ball-clamping structure.

Press, in order to facilitate the carrying of the bicycle when going out, the bicycle will be placed in the bicycle carrier frame for connection with the body. The conventional method of connecting the carrier frame and the body is to have a ball joint at the end of the body , The carrier frame is provided with two clamping parts. The inner wall distance formed by the two clamping parts is greater than the diameter of the ball joint. When in use, the two clamping parts of the carrier frame and the rear end of the car body Ball joint sleeve, that is, the inner wall of the clamping part is clamped on the side and top edges of the ball joint, and the ball joint is pressed and fixed in the two clamping parts with a screw structure. The carriage frame disclosed in TWM464363 is Belongs to this category.

However, this kind of conventional carrying frame requires the two clamping parts to fit the clamping sphere first, and then the clamping part is tightened to the clamping sphere with a screw fixing structure, and the method of freehand screwing is not only laborious but also laborious. The inability to effectively tighten the clamping portion to the clamping sphere often results in the loosening of the carrier frame, which has shortcomings that need to be improved urgently.

Therefore, it is necessary to provide a novel and progressive ball-clamping structure and a carrier frame including the ball-clamping structure to solve the above-mentioned problems.

The main purpose of the present invention is to provide a ball-clamping structure and a carrier frame including the ball-clamping structure, which have the characteristics of simple structure and convenient operation. The first clamp block and the second clamp can be adjusted according to the size of different ball joints. The relative distance between the blocks is preset, and the first clamping block and the second clamping block of the clamping assembly can be fixedly clamped on the ball joint quickly and effortlessly.

In order to achieve the above objective, the present invention provides a ball-clamping structure, which includes a housing, a clamping component, an adjusting member, and a pressing structure. The clamping assembly includes a first clamping block and a second clamping block pivoted in the housing, so that the first clamping block and the second clamping block can be opened and closed along a first direction for clamping a For ball joints, one side of the first clamping block and the second clamping block away from the other is provided with an inclined guide surface. The adjusting member is movably arranged on the housing to selectively abut against the inclined guide surface. The pressing structure is pivoted on the casing and can swing between a first position and a second position. Wherein, when the pressing structure is located at the first position, the pressing structure does not push one of the first clamping block and the second clamping block toward the other; when the pressing structure is located at the In the second position, the pressing structure pushes one of the first clamping block and the second clamping block toward the other.

In order to achieve the above objective, the present invention further provides a carrier frame, which includes a ball-clamping structure as described above, and further includes a frame body. The frame body is assembled with the shell and includes a supporting rod and a supporting rod, the supporting rod is provided with at least one clamp, and the supporting rod is provided with at least one bracket.

The following examples are only used to illustrate the possible implementation aspects of the present invention, but they are not intended to limit the scope of protection of the present invention, and are described first.

Please refer to FIGS. 1 to 5, which show a preferred embodiment of the present invention. The ball clamping structure of the present invention includes a housing 1, a clamping assembly 2, an adjusting member 3, and a pressing structure 4.

The clamping assembly 2 includes a first clamping block 21 and a second clamping block 22 pivoted in the housing 1, so that the first clamping block 21 and the second clamping block 22 can move along a first direction L1 opens and closes for clamping a ball joint, and one side of one of the first clamping block 21 and the second clamping block 22 away from the other is provided with an inclined guide surface 23. In this embodiment, the inclined guide surface 23 is provided on a side of the first clamping block 21 away from the second clamping block 22.

The adjusting member 3 is movably disposed on the casing 1 to selectively abut the inclined guide surface 23, and the first clamping block 21 can be controlled by the adjusting member 3 moving toward or away from the inclined guide surface 23 Swing toward or away from the second clamping block 22, in this embodiment, when the adjusting member 3 moves toward the inclined guide surface 23, the first clamping block 21 can be swung toward the second clamping block 22, so The preset relative distance between the first clamping block 21 and the second clamping block 22 is adjusted to adjust in advance according to the ball joints of different sizes.

The pressing structure 4 is pivoted on the housing 1 and can swing between a first position and a second position.

Wherein, when the pressing structure 4 is located at the first position, the pressing structure 4 does not push one of the first clamping block 21 and the second clamping block 22 toward the other; When the tightening structure 4 is in the second position, the pressing structure 4 pushes one of the first clamping block 21 and the second clamping block 22 toward the other. In detail, in actual operation, when the pressing structure 4 is located at the first position, the first clamping block 21 is separated from the second clamping block 22, and the ball clamping structure can be selectively separated or covered. Is set at the ball joint, when the pressing structure 4 is swung to the second position, the pressing structure 4 abuts against the side of the second clamping block 22 away from the first clamping block 21, and moves the The two clamping blocks 22 abut in the direction of the first clamping block 21, and the first clamping block 21 and the second clamping block 22 are approached along the first direction L1, and the ball joint can be clamped tightly.

It should be noted that in other embodiments, the inclined guide surface 23 can be arbitrarily disposed on the first clamping block 21 or the second clamping block 22, and the pressing structure 4 can arbitrarily abut against the first clamping block 21 Or the second clamping block 22 is not limited to this, and the relative distance between the first clamping block 21 and the second clamping block 22 can also be effectively adjusted in advance, and the pressing structure 4 can similarly enable the A clamping block 21 and the second clamping block 22 are stably clamped on the ball joint.

Specifically, the housing 1 is further provided with a sliding groove 11 extending along a second direction L2 transverse to the first direction L1, and the first clamping block 21 and the second clamping block 22 One end is pivoted to a sliding shaft 12, and the sliding shaft 12 is slidably disposed in the sliding groove 11, so that the first clamping block 21 and the second clamping block 22 can slide relative to the casing 1 along the second direction L2, In order to increase the opening and closing sizes of the first clamping block 21 and the second clamping block 22, it is convenient to insert the ball joint.

Preferably, the adjusting member 3 is screwed on the housing 1 along the second direction L2, and one end of the adjusting member 3 along the second direction L2 is provided with an operating portion 31 passing through the housing 1, and the other end An abutting top 32 is provided. In this embodiment, the operating portion 31 is a hexagonal head for easy tool rotation. The operating portion 31 is adjacent to the sliding shaft 12, and the abutting top 32 is adjacent to the inclined guide surface 23. 32 can selectively abut against the inclined guide surface 23 along the second direction L2, and the inclined guide surface 23 can guide the abutting portion 32 against the abutting force along the second direction L2 to the first direction L1 , The first clamping block 21 can swing toward the second clamping block 22.

In this embodiment, the inclined guide surface 23 integrally extends the first clamping block 21 and gradually expands away from the sliding shaft 12, so that the abutting portion 32 can abut the first clamping block 21 toward the second The clamping block 22 swings, and the adjusting member 3 and the pressing structure 4 are respectively located on both sides of the clamping assembly 2 along the first direction L1 to clamp the ball joint more firmly.

In addition, the housing 1 is provided with a guide member 13 extending along a third direction L3 transverse to the first direction L1 and the second direction L2, and the guide member 13 extends along the second direction L3. A screw hole 311 is provided in the direction L2, and the adjusting member 3 is screwed in the screw hole 311 to smoothly guide the adjusting member 3 to move along the second direction L2. For example, in this embodiment, the first direction L1 and the third direction L3 are horizontal directions parallel to the ground, and the second direction L2 is perpendicular to the horizontal direction. Therefore, the pressing structure 4 is horizontal The first clamping block 21 and the second clamping block 22 are tightened in the direction. The horizontal clamping can prevent the vehicle with the ball joint from shaking horizontally when starting or braking, resulting in the first clamping block 21, The second clamping block 22 and the pressing structure 4 produce a horizontal displacement relative to the housing to loosen from the ball joint, and the adjusting member 3 is pressed against the inclined guide surface perpendicular to the horizontal direction. When the vehicle shakes up and down with respect to the ground, the adjusting member 3 abuts vertically to the horizontal direction to prevent the first clamping block 21 and the second clamping block 22 from jumping relative to the ball joint. Therefore, the adjusting member 3 and the tightening structure 4 can effectively prevent the first clamping block 21 and the second clamping block 22 from loosening.

Wherein, one end of the first clamping block 21 and the second clamping block 22 along the second direction L2 is provided with a clamping portion 24 (in this embodiment, each clamping portion 24 is in the shape of a semicircular arc), and the other end is disposed There is a set of connecting portions 25, and the sliding shaft 12 is penetrated along the adjacent side of the two sets of connecting portions 25 along the first direction L1, and the two clamping portions 24 can swing mutually. It is worth mentioning that a connecting piece 51 is respectively penetrated through the two connecting portions 25 on one side away from each other in the first direction L1, and a tension spring 52 is arranged between the two connecting pieces 51 to connect the two connecting pieces 51 The members 51 are normally close to each other, so that the two clamping parts 24 are normally away from each other. When the ball clamping structure is to be removed from the ball joint, it is only necessary to swing the clamping structure 4 to the first position. , You can directly pick up the ball-clamping structure in the upward direction (that is, the second direction L2), and the clamping portions 24 of the first clamping block 21 and the second clamping block 22 are separated from each other so that the ball-clamping structure can be The ball joint is smoothly separated, so the disassembly and assembly are very convenient.

One side of the first clamping block 21 away from the second clamping block 22 is provided with a concave portion 26, and one end of the clamping structure 4 adjacent to the clamping structure is provided with a convex portion 41. When the clamping structure 4 is located at the second position When the convex portion 41 abuts against the concave portion 26, it should be noted that in this embodiment, the end of the pressing structure 4 away from the convex portion 41 is in the upward state when the first position is located and the One end of the convex portion 41 is in a downward state. When swinging toward the second position, the pressing structure 4 swings downward from one end of the convex portion 41 and one end provided with the convex portion 41 swings upward. The portion 41 can move against the concave portion 26, so that the first clamping block 21, the second clamping block 22, and the sliding shaft 12 move upward along the sliding groove 11 and causing the first clamping block 21 and the second clamping block 21 to move upward. The clamping block 22 is close to clamping. Furthermore, in this embodiment, the pressing structure 4 includes a connecting rod assembly 42 and a pivot 43. The pivot 43 is pivoted on the housing 1, and both ends of the pivot 43 have a non-circular shape. One end of the connecting rod assembly 42 adjacent to the clamping structure 2 is provided with two non-circular holes 421. Each of the non-circular ends 431 is inserted into a non-circular hole 421. The peripheral wall of the pivot 43 is radially One side is provided with the eccentric protrusion 41, whereby the link assembly 42 can swing with the pivot 43 as an axis, and the user can control the end of the clamping structure 2 by operating the link assembly 42 away from The convex portion 41 swings so that the first clamping block 21 and the second clamping block 22 are close to be clamped.

The present invention also provides a carrier frame 9 which includes a ball-clamping structure as described above, and further includes a frame body 91. The frame 91 is assembled with the housing 1 and includes a supporting rod 92 and a supporting rod 93. The supporting rod 92 is provided with at least one clamp 94, and the supporting rod 93 is provided with at least one supporting device 95, which is similar to the embodiment In the example, a plurality of clamps 94 and a plurality of release tools are provided for clamping or supporting at least one bicycle. Therefore, the carrier frame 9 also has the right to be quickly installed on the ball joint.

In summary, the ball-clamping structure of the present invention and the carrier frame including the ball-clamping structure can adjust the pre-relative distance between the first clamping block and the second clamping block according to the size of different ball joints, and can save effort and quickly Groundly clamp the first clamping block and the second clamping block of the clamp assembly on the ball joint.

1: shell 2: Clamping component 3: adjustment parts 4: Urgent structure 9: Carry the frame L1: first direction L2: second direction L3: Third party 11: Chute 12: Sliding shaft 13: guide 131: screw hole 21: The first clamp 22: The second clamp 23: inclined guide surface 24: Clamping part 25: Assembly Department 26: recess 31: Operation Department 32: reach the top 41: Convex 42: connecting rod assembly 43: pivot 43 431: non-round end 421: non-circular hole 51: connection 52: Extension spring 91: Frame 92: Carrying rod 93: support bar 94: Fixture 95: Bracket

Figure 1 is a perspective view of a preferred embodiment of the present invention. Figure 2 is an exploded view of a preferred embodiment of the present invention. 3 and 4 are operational cross-sectional views of a preferred embodiment of the present invention. Fig. 5 is an assembly diagram of a preferred embodiment of the present invention.

1: shell

3: adjustment parts

4: Urgent structure

11: Chute

12: Sliding shaft

Claims (10)

A ball-clamping structure includes: A shell A clamping assembly includes a first clamping block and a second clamping block pivoted in the housing, so that the first clamping block and the second clamping block can be opened and closed along a first direction for clamping A ball joint, one side of the first clamping block and the second clamping block away from the other is provided with an inclined guide surface; An adjusting member movably arranged on the housing to selectively abut the inclined guide surface; A pressing structure, pivoted on the housing, capable of swinging between a first position and a second position; Wherein, when the pressing structure is located at the first position, the pressing structure does not push one of the first clamping block and the second clamping block toward the other; when the pressing structure is located at the In the second position, the pressing structure pushes one of the first clamping block and the second clamping block toward the other. The ball clamping structure according to claim 1, wherein the inclined guide surface is provided on a side of the first clamping block away from the second clamping block, and when the clamping structure is located at the second position, the clamping structure abuts It is on the side of the second clamping block away from the first clamping block. The ball clamping structure according to claim 1, wherein the housing is further provided with a sliding groove extending in a second direction transverse to the first direction, the first clamping block and the second clamping block One end is pivoted on a sliding shaft, and the sliding shaft is slidably arranged in the sliding groove. The ball-clamping structure according to claim 3, wherein the adjusting member is screwed on the housing along the second direction, and one end of the adjusting member along the second direction is provided with an operating portion passing through the housing, and One end is provided with a top portion, the operating portion is adjacent to the sliding shaft, the top portion is adjacent to the inclined guide surface, and the top portion can selectively abut against the inclined guide surface along the second direction. The ball clamping structure according to claim 4, wherein the first clamping block is integrally extended on the inclined guide surface and gradually expanded in a direction away from the sliding shaft, and the adjusting member and the pressing structure are respectively located along the clamping assembly Both sides of the first direction. The ball-clamping structure according to claim 3, wherein a guide member is provided in the housing, the guide member extends in a third direction transverse to the first direction and the second direction, and the guide member extends along the A screw hole is provided in the second direction, and the adjusting member is screwed in the screw hole. The ball clamping structure according to claim 3, wherein one end of the first clamping block and the second clamping block along the second direction is provided with a clamping part, and the other end is provided with a set of connecting parts, and the two sets of connecting parts are arranged along the The sliding shaft is penetrated on one of the adjacent sides in the first direction, a connecting piece is respectively penetrated on the side of the two connecting parts away from each other in the first direction, and a tension spring is arranged between the two connecting pieces, So that the two clamps are normally away from each other. The ball clamping structure according to claim 3, wherein the first clamping block is provided with a concave portion on one side away from the second clamping block, and one end of the clamping structure adjacent to the clamping structure is provided with a convex portion. When the structure is in the second position, the convex portion abuts against the concave portion. The ball-clamping structure according to claim 3, wherein the pressing structure includes a link assembly and a pivot, the pivot is pivoted on the housing, and both ends of the pivot have a non-circular end, The connecting rod assembly is provided with two non-circular holes adjacent to one end of the clamping structure, each of the non-circular ends is inserted into the non-circular hole, and the eccentric convex portion is provided on one radial side of the peripheral wall of the pivot . A carriage frame, comprising the ball-clamping structure according to any one of claims 1 to 9, and further comprising: A frame is assembled with the shell and includes a supporting rod and a supporting rod, the supporting rod is provided with at least one clamp, and the supporting rod is provided with at least one bracket.

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