TWI681887B - 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

Clip structure and carrying frame including the clip structure

The invention relates to a clip structure and a carrying frame including the clip structure.

Press, in order to conveniently carry the bicycle when going out, the bicycle will be placed on the carrying frame of the bicycle for connection with the vehicle body. The conventional connection method of the carrying frame and the vehicle body is to provide a ball joint at the rear end of the vehicle body , The carrying 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, and the two clamping parts of the carrying frame and the rear end of the car body are used when using The ball joint fits, that is, the inner wall of the clamping part is clamped on the side edge and the top edge of the ball joint, and the ball joint is pressed and fixed in the two clamping parts with a screw structure. The carrying frame disclosed by TWM464363 is This category.

However, such a conventional carrying frame needs to first fit the clamping sphere with the two clamping parts, and then tighten the clamping part to the clamping sphere with a screwing structure. Failure to effectively press the clamping portion against the clamping ball often results in loosening of the carrying frame, and there are shortcomings that need to be improved.

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

The main object of the present invention is to provide a clip structure and a carrying frame including the clip structure, which has the characteristics of simple structure and convenient operation, and can adjust the first clip block and the second clip according to the size of different ball joints The relative distance between the blocks in advance, and the first clamping block and the second clamping block of the clamping device can be fixed and clamped to the ball joint stably and quickly.

In order to achieve the above object, the present invention provides a ball-clamping structure. The ball-clamping structure includes a housing, a clip-on component, an adjusting member, and a pressing structure. The clip assembly includes a first clip block and a second clip block pivotally arranged in the housing, so that the first clip block and the second clip block can be opened and closed along a first direction for clamping a For the 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. The adjusting member is movably disposed on the casing to selectively abut the inclined guide surface. The pressing structure is pivotally arranged on the casing, and can swing at a first position and a second position. Wherein, when the pressing structure is at the first position, the pressing structure does not press 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.

To achieve the above object, the present invention further provides a carrying frame, which includes a ball-clamping structure as described above, and further includes a frame body. The rack body is connected with the casing, and includes a bearing rod and a supporting rod, the bearing rod is provided with at least one clamp, and the supporting rod is provided with at least one bracket.

1‧‧‧Housing

2‧‧‧Clamping components

3‧‧‧Adjustment

4‧‧‧Urgent structure

9‧‧‧carrying frame

L1‧‧‧First direction

L2‧‧‧Second direction

L3‧‧‧third direction

11‧‧‧Chute

12‧‧‧slide shaft

13‧‧‧Guide

131‧‧‧screw hole

21‧‧‧The first clamping block

22‧‧‧Second clamping block

23‧‧‧oblique guide

24‧‧‧Clamp

25‧‧‧Assembly Department

26‧‧‧recess

31‧‧‧Operation Department

32‧‧‧ reached the top

41‧‧‧Convex

42‧‧‧Link assembly

43‧‧‧Pivot 43

431‧‧‧Non-circular end

421‧‧‧Non-round hole

51‧‧‧Connector

52‧‧‧ Tension spring

91‧‧‧frame

92‧‧‧Carrying rod

93‧‧‧Ball

94‧‧‧Fixture

95‧‧‧Bracket

FIG. 1 is a perspective view of a preferred embodiment of the present invention.

2 is an exploded view of a preferred embodiment of the present invention.

3 and 4 are cross-sectional views of the operation of a preferred embodiment of the present invention.

FIG. 5 is an assembly diagram of a preferred embodiment of the present invention.

The following merely illustrates the possible implementation forms of the present invention with examples, but it is not intended to limit the scope of the invention to be protected, and will be 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 clip-on component 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 pivotally disposed in the housing 1, so that the first clamping block 21 and the second clamping block 22 can be along a first direction L1 opens and closes for clamping a ball joint. One side of the first clamping block 21 and the second clamping block 22 is away from the other, and an inclined guide surface 23 is provided. In this embodiment, the inclined guide surface 23 is disposed 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 against the top, the first clamping block 21 can swing toward the second clamping block 22, so it can 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 pivotally arranged on the casing 1 and can swing at a first position and a second position.

When the pressing structure 4 is in 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 pressing When the tightening structure 4 is in the second position, the pressing structure 4 presses 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 in the first position, the first When the clamping block 21 is away from the second clamping block 22, the clamping ball structure can be selectively disengaged or sleeved on the ball joint. When the pressing structure 4 is swung to the second position, the pressing The structure 4 abuts the side of the second clamping block 22 away from the first clamping block 21, and pushes the second clamping block 22 in the direction of the first clamping block 21, the first clamping block 21 and the The second clamping block 22 is close to the first direction L1, so that the ball joint can be clamped tightly.

It should be noted that, in other embodiments, the inclined guide surface 23 can be arbitrarily provided on the first clamping block 21 or the second clamping block 22, and the pressing structure 4 can be arbitrarily pressed 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 be effectively adjusted in advance, and the pressing structure 4 can also make the first clamping block 4 A clamping block 21 and the second clamping block 22 are stably interposed on the ball joint.

Specifically, the casing 1 is further provided with a sliding slot 11 extending along a second direction L2 transverse to the first direction L1. The first clamping block 21 and the second clamping block 22 One end is pivotally mounted on a sliding shaft 12, and the sliding shaft 12 is slidingly disposed on the sliding groove 11, so that the first clamping block 21 and the second clamping block 22 can slide relative to the housing 1 along the second direction L2, In order to increase the opening and closing size of the first clamping block 21 and the second clamping block 22, it is convenient to fit the ball joint.

Preferably, the adjusting member 3 is screwed to 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 that passes through the housing 1 and the other end An abutment portion 32 is provided. In this embodiment, the operation portion 31 is a hexagonal head to facilitate tool rotation. The operation portion 31 is adjacent to the sliding shaft 12 and the abutment portion 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 force of the abutment portion 32 against the abutment along the second direction L2 to the first direction L1 , The first clamping block 21 can be swung towards 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 abutment portion 32 can abut the first clamping block 21 toward the second Clamp block 22 pendulum To move, the adjusting member 3 and the pressing structure 4 are respectively located on both sides of the clamping element 2 along the first direction L1 to clamp the ball joint more stably.

In addition, a guide 13 is provided in the housing 1, the guide 13 extends along a third direction L3 transverse to the first direction L1 and the second direction L2, and the guide 13 extends along the second A screw hole 311 is provided in the direction L2. The adjusting member 3 is screwed in the screw hole 311 to abut the inclined guide surface 23 along the second direction L2 to smoothly guide the adjusting member 3 along the second direction L2 mobile. 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, so the pressing structure 4 is horizontal The first clamping block 21 and the second clamping block 22 are forced in the direction, and the horizontal clamping can prevent the vehicle equipped with the ball joint from oscillating 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 with respect to the housing to loosen from the ball joint, and the adjusting member 3 abuts against the inclined guide surface perpendicular to the horizontal direction. When the vehicle is rocking up and down relative to the ground, the adjusting member 3 is pressed vertically against the horizontal direction to prevent the first clamping block 21 and the second clamping block 22 from jumping relative to the ball joint, so the adjusting member 3 and the pressing structure 4. The first clamping block 21 and the second clamping block 22 can be effectively prevented 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 part 24 (in this embodiment, each clamping part 24 is a semi-circular arc), and the other end is provided There is a set of connecting portions 25, the two sets of connecting portions 25 are provided with the sliding shaft 12 along one side adjacent to the first direction L1, and the two clamping portions 24 can swing to each other. It is worth mentioning that the two assembly parts 25 are respectively provided with a connecting member 51 along a side away from the first direction L1, and a tension spring 52 is provided between the two connecting members 51 to make the two connections The pieces 51 are normally close to each other, so that the two clamping portions 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 first swing the pressing structure 4 to the first position , You can directly follow the clip structure Pick up (that is, the second direction L2), the clamping portions 24 of the first clamping block 21 and the second clamping block 22 are far away from each other, so that the ball clamping structure can be smoothly detached from the ball joint, so the assembly and disassembly Very convenient.

A concave portion 26 is provided on one side of the first clamping block 21 away from the second clamping block 22, and a protruding portion 41 is provided at one end of the pressing structure 4 adjacent to the clamping structure, when the pressing structure 4 is located at the second position At this time, the convex portion 41 abuts against the concave portion 26. It should be noted that in this embodiment, one end of the pressing structure 4 away from the convex portion 41 is in the upward state when it is in the first position and is provided with the One end of the convex portion 41 is in the downward state. When swinging toward the second position, the one end of the pressing structure 4 away from the convex portion 41 swings downward and one end provided with the convex portion 41 swings upward. The portion 41 can move against the recess 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 make the first clamping block 21 and the second The clamping block 22 is close to the clamping. Further, in this embodiment, the pressing structure 4 includes a connecting rod assembly 42 and a pivot 43, the pivot 43 is pivotally disposed on the housing 1, and both ends of the pivot 43 have a non-circle At the one end of the connecting rod assembly 42 adjacent to the clamping structure 2, two non-circular holes 421 are provided, each of the non-circular ends 431 is inserted into one of the non-circular holes 421, and the peripheral wall of the pivot 43 is radial One side is provided with the eccentric convex portion 41, by which the link assembly 42 can pivot on the pivot 43, and the user can control the end of the link assembly 42 away from the end of the clamping structure 2 by operating the link assembly 42 The convex portion 41 swings to make the first clamping block 21 and the second clamping block 22 close to each other.

The invention also provides a carrying frame 9 which includes a ball-clamping structure as described above, and further includes a frame body 91. The frame body 91 is assembled with the housing 1 and includes a carrying rod 92 and a supporting rod 93. The carrying rod 92 is provided with at least one clamp 94, and the supporting rod 93 is provided with at least one supporting tool 95. In the example, a plurality of clamps 94 and a plurality of brackets 95 are provided for clamping or supporting at least one bicycle. Therefore, the carrying 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 carrying 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 speed The first clamping block and the second clamping block of the clamping device are fixedly clamped to the ball joint.

1‧‧‧Housing

3‧‧‧Adjustment

4‧‧‧Urgent structure

11‧‧‧Chute

12‧‧‧slide shaft

Claims (8)

A ball-clamping structure includes: a housing; a clamper assembly, including a first clamping block and a second clamping block pivotally arranged in the housing, so that the first clamping block and the second clamping block can Opening and closing in 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 is movably provided In the housing to selectively bear against the inclined guide surface; a pressing structure, pivotally mounted on the housing, can swing at a first position and a second position; wherein, when the pressing structure is located at the first In one 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 in the second position, the pressing structure will One of the first clamping block and the second clamping block is pressed toward the other direction; wherein, the casing is further provided with a sliding slot, the sliding slot is along a second direction transverse to the first direction Extending, one end of the first clamping block and the second clamping block are pivotally arranged on a sliding shaft, and the sliding shaft is slidably arranged on the sliding groove; a guide is arranged in the casing, and the guide is along a transverse direction to the The third direction of the first direction and the second direction extends, the guide member is provided with a screw hole along the second direction, and the adjusting member is screwed into the screw hole to bear against the oblique guide along the second direction surface. 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, when the pressing structure is in the second position, the pressing structure resists A side of the second clamping block away from the first clamping block. The ball-clamping structure according to claim 1, wherein the adjusting member is screwed on the casing along the second direction, and one end of the adjusting member along the second direction is provided with an operating portion that passes through the casing, and One end is provided with an abutment portion, the operation portion is adjacent to the sliding shaft, the abutment portion is adjacent to the inclined guide surface, and the abutment portion can selectively abut against the inclined guide surface along the second direction. The ball-clamping structure according to claim 3, wherein the inclined guide surface integrally extends the first clamping block and gradually expands away from the sliding axis, and the adjusting member and the pressing structure are located along the clamping-and-locking component respectively Both sides of the first direction. The ball-clamping structure according to claim 1, wherein one end of the first clamping block and the second clamping block along the second direction is provided with a clamping portion, and the other end is provided with a set of connecting portions, the two sets of connecting portions are along The sliding shaft is penetrated on one side adjacent to the first direction, the two assembly parts are respectively penetrated with a connecting member on a side away from the first direction, and a tension spring is provided between the two connecting members. In order to make the two grips away from each other normally. The ball-clamping structure according to claim 1, wherein a side of the first clamping block away from the second clamping block is provided with a concave portion, and the pressing structure is provided with a convex portion adjacent to an end of the clamping structure when the pressing is performed When the structure is in the second position, the convex portion abuts the concave portion. The ball-clamping structure according to claim 1, wherein the pressing structure includes a connecting rod assembly and a pivot, the pivot is pivotally disposed 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 one of the non-circular holes, and the eccentric convex portion is provided on one side of the circumferential wall of the pivot . A carrying frame, including a ball-clamping structure as described in any one of claims 1 to 7, and further comprising: a frame body assembled with the housing, including a bearing rod and a supporting rod, the bearing The rod is provided with at least one clamp, and the supporting rod is provided with at least one holding tool.

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