TW202404835A - Bicycle carrying rack comprising a fixed device with a straight insertion hole and a flat insertion hole; a pivot device with an outer casing, a handle, and a holding space located between the outer casing and the handle, achieving the advantages of a simple structure, reduced manufacturing costs, convenient operation, and intuitive use - Google Patents

Abstract

A bicycle carrying rack comprises: a fixed device with a straight insertion hole and a flat insertion hole; a pivot device with an outer casing, a handle, and a holding space located between the outer casing and the handle. The bottom end of the outer casing is pivotally connected to the fixed device. A control device includes a linkage bar, a pulling handle, a spring, and a bottom insertion part. The linkage bar is placed inside the outer casing; one end of the pulling handle is a connecting part connected to the linkage bar, and the other end of the pulling handle is a handle part located in the holding space. The spring abuts between the connecting part and the pivot device, and the bottom insertion part is formed at the bottom end of the linkage bar. When the handle part is pulled by an external force, the bottom insertion part disengages from the straight insertion hole and the flat insertion hole, allowing the pivot device to pivot reciprocally between a flat position, an upright position, and a tilted position under the action of the external force. When the external force on the handle part disappears and the pivot device is in the flat position, the bottom insertion part is inserted into the flat insertion hole. When the external force on the handle part disappears and the pivot device is in the upright position, the bottom insertion part is inserted into the straight insertion hole. When the external force on the handle part disappears and the pivot device is in the tilted position, a stop part abuts against the outer casing, preventing excessive tilting and allowing the rear door of the car to open. A carrying device is set on the outer casing to carry and secure at least one bicycle, achieving the advantages of a simple structure, reduced manufacturing costs, and convenient and intuitive operation.

Description

Carrying frame

This creation is related to the accessory equipment of the automobile, and more specifically, it refers to a vehicle carrying frame.

According to the general bicycle frame, it is mainly combined with the car to fix the bicycle. Conventional bicycle carrying racks are mainly divided into two types: roof type and rear type. The roof type is set on the roof of the car. Because this structure is more difficult to fix the bicycle and remove the bicycle, and it is difficult to carry the bicycle. Finally, the overall vehicle height is too high and is easily affected by height restrictions when traveling, so it is less popular among the general public. The main structure of the rear-end type is composed of a fixed part combined with the rear end of the car, a pivoting part pivotally connected to the fixed part, and a bearing part combined with the pivoting part to carry the bicycle. The swivel can be pivoted and positioned from an upright position to a flat position. When it is in the upright position, the length of the protrusion can be reduced to maintain the safety of the car when driving. When it is in the flat position, it can be used for carrying loads. bicycle.

However, a general rear-mounted bicycle frame will be provided with a control part, and the control part is located near the pivot joint between the pivot part and the fixed part. However, when the user operates the pivot part to pivot, he must hold the control part. It is held at the remote pivot joint, making this control member quite inconvenient to operate. Therefore, as disclosed in Chinese Patent No. 1764657, the control member is arranged at the far pivot joint of the pivot member to facilitate operation. However, this control member must be turned with fingers to switch to the pivot position. rotation state or positioning state, so the operation is still not intuitive and convenient, and the structure of the control part uses rotation motion to change Switching to linear motion to achieve the effect of controlling the clutch makes its structure more complex, has more parts, is easily damaged, and does not operate smoothly enough.

In view of this, in order to improve the conventional bicycle frame, the conventional bicycle frame has problems such as unintuitive operation, complex structure, many parts, easy damage, high cost and not smooth operation. Therefore, the present invention provides a The bicycle carrying frame includes: a fixing device with a tail connecting rod and a positioning base fixedly connected to the tail connecting rod. The positioning base has a straight socket and a flat socket; a pivoting device with a shell and a A handle connected to the front end of the housing, a holding space is formed between the handle and the housing, and the bottom end of the housing is pivotally connected to the positioning seat; a control device has a linking rod, a pull handle, and a The spring and a bottom insert part, the linkage rod is placed in the housing, one end of the pull handle has a connecting part, which is connected to the top end of the linkage rod, and the other end of the pull handle has a handle part, which is located on the holding In the space, the spring is in contact between the connecting part and the pivot device, and the bottom insert part is formed on the bottom end of the linking rod; when the handle is pulled by an external force, the bottom insert part is separated from the The straight jack and the flat jack enable the pivoting device to pivot back and forth between a flat position and an upright position under the action of an external force. When the external force on the handle disappears, the pivoting device is in the flat position. When the external force of the handle disappears and the pivot device is in the upright position, the bottom plug is inserted into the straight jack; a carrying device , is arranged on the outer shell to carry and fix at least one bicycle; thereby achieving the effects of simple structure, reduced manufacturing cost, convenient and intuitive operation, etc.

100: Carrying frame

10: Fixtures

11:Tail connecting rod

12: Positioning seat

121: Bottom wall

123: Straight jack

125:Flat jack

127: Stopper

127:Side wall

124: Upper jack

126:Lower jack

20: Pivot device

21: Shell

22:Top cover

221: Top cover perforation

23: Bottom cover

231: Perforated bottom cover

24:Grip

241:Hold space

25: Pivot axis

30:Control device

31: Linking rod

32: handle

321:Connection part

322: handle

33:Spring

34: Bottom insertion part

35:Shrapnel latch

351:Shrapnel

352:Latch

36:Pull hook piece

361: hook part

40: Carrying device

Figure 1 is a three-dimensional assembly diagram of a preferred embodiment of this invention.

Figure 2 is a perspective view of partial components of the embodiment shown in Figure 1 .

Figure 3 is an exploded perspective view of partial components of the embodiment shown in Figure 1 .

Figures 4 to 9 are operational schematic diagrams of the embodiment shown in Figure 1 .

Figure 10 is a three-dimensional combination diagram of another implementation aspect of this creation.

In order to enable your review committee to have a further understanding and recognition of the features and characteristics of this creation, the following preferred embodiments are listed below and explained with drawings:

Referring to Figures 1 to 9, a bicycle carrying frame 100 is provided in a preferred embodiment of the present invention, which mainly includes a fixing device 10, a pivoting device 20, a control device 30 and a carrying device 40, wherein :

Please refer to Figures 1 to 4. The fixing device 10 has a tail rod 11 and a positioning seat 12. The tail connecting rod 11 is used for detachable combination with the rear of a car. The positioning seat 12 is fixed on the tail connecting rod 11. The positioning seat 12 has an arc-shaped extending bottom wall 121 and The two side walls 122 have a straight insertion hole 123 extending in a vertical direction and a flat insertion hole 125 extending in a horizontal direction on the bottom wall 121. The bottom end of the bottom wall 121 has a stopper 127 protruding upward. The side walls 122 are located at both sides of the bottom wall, and the two side walls 122 pass through an upper insertion hole 124 and a lower insertion hole 126 together.

Please refer to Figures 1 to 4. The pivot device 20 has a flat tube-shaped housing 21, a top cover 22 connected to the front end of the housing 21, and a bottom cover 23 connected to the bottom end of the housing 21. , a handle 24 and a pivot shaft 25 connected to the front end of the housing 21. The top cover 22 has a top cover through hole 221, and the bottom cover 23 has a bottom cover through hole 231. There is a gap between the handle 24 and the housing 21. A holding space 241 is formed, and the pivot shaft 25 passes through the two side walls 122 of the fixing device 10 and the housing 21 Two sides close to the bottom end are used to pivotally connect the housing 21 with the fixing device 10 so that the pivoting device 20 can pivot back and forth between a flat position, an upright position and a tilted position under the action of external force. .

Please refer to Figures 1 to 4. The control device 30 has a linking rod 31, a pulling handle 32, a spring 33, a bottom insertion portion 34, two spring latch pins 35 and a hook 36. The linkage rod 31 is placed in the housing 21 of the pivot device 20. One end of the pull handle 32 has a connecting portion 321, which is connected to the top of the linkage rod 31, and the other end has a handle 322, which passes through The top cover has a through hole 221 and extends out of the housing 21 . The handle 322 is located in the holding space 241 so that the pull handle 32 is linked with the linkage rod 31 . The spring 33 is in contact with the pull handle 32 between the connecting portion 321 and the top cover 22 of the pivot device 20 to provide a predetermined elastic force for the linkage rod 31 to move toward the bottom end of the pivot device 20. The bottom insertion portion 34 is formed at the bottom end of the linkage rod 31. on, linked with the linkage rod 31 and protruding from the bottom cover through hole 231. The two elastic piece latches 35 are arranged on the inner wall surfaces of both sides of the housing 21. Each elastic piece latching pin 35 has an elastic piece 351 and an elastic piece 351. The latch 352, one end of the elastic piece 351 is connected to the inner wall of the housing 21, the latch 352 is connected to the other end of the elastic piece 351, the hook 36 is connected to the linking rod 31, and with the linking rod 31 is linked with each other and has two hook portions 361 located on both sides of the linking rod 31 .

Please refer to Figure 1. The carrying device 40 is provided on the housing 21 of the pivoting device 20 and is used to carry and fix at least one bicycle (not shown in the figure). Since the carrying device 40 is not the focus of this invention, no further description is allowed.

Therefore, the above is an introduction to the various components and assembly methods of a bicycle carrying frame 100 provided by a preferred embodiment of the present invention, and then its usage characteristics are introduced as follows:

First, please refer to Figure 4, when the pivot device 20 is in the flat position, And when the control device 30 is not affected by external force, the linking rod 31 of the control device 30 is moved to the bottom of the pivot device 20 by the elastic force of the spring 33, so that the bottom insertion portion 34 passes through the bottom. The cover through hole 231 is inserted into the flat socket 125 of the fixing device 10 so that the pivoting device 20 is positioned in a flat position. At this time, the carrying device 40 can carry and fix the bicycle. In addition, since the control device 30 is not affected by external force at this time, the latch 352 of the spring latch 35 is inserted into the socket 126 under the pivot device 20 (as shown in Figure 8) to enhance the positioning effect. , and prevent the pivot device 20 from moving by itself.

When the user wants to fold the invention, he first removes the bicycle from the carrying device 40 . The operator's fingers extend into the holding space 241 and pull the handle 322 of the handle 32 of the control device 30. At this time, the operator's palm simultaneously holds the handle 322 and the handle 32 of the handle 32. On the handle 24 of the pivot device 20, as shown in Figure 5, the linkage rod 31 is moved upward by the pull handle 32, and compresses the spring 33, so that the bottom insertion portion 34 is separated from the flat surface. The hook 36 is also displaced by the linkage rod 31, and the hook 361 hooks the latch 352 to separate the latch 352 from the lower socket 126 (as shown in Figure 9 ). In this way, the operator can hold the handle 322 of the handle 32 and the handle 24 with one hand at the same time, and pivot the pivot device 20 upward (as shown in Figure 5) until the After the pivoting device 20 is in the upright position, the pull handle 32 is released, and after the external force resisting the spring 33 disappears, the elastic force of the spring 33 drives the linking rod 31 to move downward, so that the bottom The insertion part 34 is inserted into the straight insertion hole 123 of the fixing device 10 (as shown in Figure 6), and the hook 36 is also separated from the elastic latch 35, so that the latch 352 is inserted into the upper socket 124 In order to position the pivot device 20 in an upright position, the volume of the invention and the length protruding from the rear of the vehicle are reduced, thereby increasing the safety while driving. When you want to pivot from the upright folded position to the flat position for carrying a bicycle, Then pivot downward in the same way.

Therefore, during operation of this invention, the operator only needs to hold the handle 24 of the pivot device 20 and the handle 32 of the control device 30 with one hand at the same time to switch from the positioning state to the pivotable state, and then to Pivoting up or down with the same hand can convert from a flat position to an upright position, and the positioning function can be achieved after releasing the hand. Therefore, this invention can not only be operated by one hand, but also does not require additional turning movements with fingers, thereby achieving the effect of convenient operation. In addition, the structure of this invention is relatively simple, which can effectively reduce manufacturing costs and assembly costs, thereby reducing the chance of damage. The most important thing is that the operation procedure of this creation is quite intuitive. You can adjust the position by just holding it with one hand, pivoting it up and down, and finally releasing it.

Secondly, as shown in Figure 7, when the operator pivots the pivot device 20 to the tilted position, the housing 21 will be blocked by the stopper 127 to prevent the pivot device 20 from excessive tilt and contact. to the ground, thereby allowing the operator to open the rear door of the car without removing the invention, thereby improving the convenience of use of the invention.

In addition, as shown in Figure 10, the present invention can be equipped with different types of carrying devices 40 and can be applied to different types of bicycles, so that the scope of application of the present invention is wider and more competitive in the market.

The above disclosures are only preferred embodiments provided by this invention and are not intended to limit the implementation scope of this invention. All equivalent changes made by relevant skilled persons in this technical field based on this invention should be covered by this invention. range.

10: Fixtures

11:Tail connecting rod

12: Positioning seat

121: Bottom wall

125:Flat jack

122:Side wall

124: Upper jack

126:Lower jack

20: Pivot device

21: Shell

23: Bottom cover

231: Perforated bottom cover

24:Grip

241:Hold space

25: Pivot axis

30:Control device

31: Linking rod

32: handle

321:Connection part

322: handle

33:Spring

34: Bottom insertion part

35:Shrapnel latch

351:Shrapnel

352:Latch

36:Pull hook piece

361: hook part

Claims (7)

A bicycle carrying frame includes: A fixing device having a tail connecting rod and a positioning base fixedly connected to the tail connecting rod. The positioning base has a straight socket and a flat socket; A pivoting device has a housing and a handle connected to the front end of the housing. A holding space is formed between the handle and the housing. The bottom end of the housing is pivotally connected to the positioning seat; A control device has a linking rod, a pull handle, a spring and a bottom plug. The linking rod is placed in the housing. One end of the pull handle has a connecting portion that is connected to the top of the linking rod. The other end of the handle has a handle, which is located in the holding space. The spring is in contact between the connecting part and the pivot device. The bottom insertion part is formed on the bottom end of the linking rod; when the handle When the bottom plug part is pulled by external force, the bottom plug part is separated from the straight jack hole and the flat jack hole, so that the pivot device can pivot back and forth between a flat position and an upright position under the action of external force. When the When the external force on the handle disappears and the pivot device is in the flat position, the bottom plug is inserted into the flat socket. When the external force on the handle disappears and the pivot device is in the upright position, the bottom plug The part is inserted into the straight jack; A carrying device is provided on the outer shell to carry and fix at least one bicycle. The bicycle frame according to claim 1, wherein the outer shell is a flat tube. The bicycle carrying frame as claimed in claim 1, wherein the pivot device further has a top cover, a bottom cover and a pivot shaft; the top cover is connected to the front end of the housing, and the bottom cover is connected to the The bottom end of the housing, the top cover has a top cover through hole, the top cover through hole is for the handle of the handle to pass through, the top cover is against one end of the spring, the bottom cover has a bottom cover through hole, the The bottom cover has a through hole for the bottom insertion part to pass through, and the pivot shaft passes through both sides of the positioning seat and the bottom end of the housing to pivot the housing and the positioning seat. The bicycle carrying frame according to claim 1, wherein the positioning base further has an upper insert hole and a lower jack; the control device further has two elastic bolts and a hook. The two elastic bolts are arranged on the inner wall surfaces of both sides of the housing. The hook is connected to the linking rod and has There are two hooks on both sides of the linking rod; when the handle is pulled by external force, the hook of the hook pulls the elastic latch away from the upper jack and the lower jack, causing the pivot The device can pivot back and forth between the flat position and the upright position. When the external force on the handle disappears and the pivot device is in the flat position, the hook portion of the hook member is separated from the elastic latch, allowing the The elastic bolt is inserted into the lower socket. When the external force of the handle disappears and the pivot device is in the upright position, the hook portion of the hook is separated from the elastic bolt, so that the elastic bolt is inserted into the lower hole. into the upper jack. The bicycle carrying frame as described in claim 4, wherein the positioning seat has a bottom wall and two side walls extending in an arc shape, the straight jack hole is extended in a vertical direction on the bottom wall, and the flat jack hole It extends horizontally from the bottom wall, the two side walls are located at both sides of the bottom wall, and the upper jack hole and the lower jack hole penetrate the two side walls. The bicycle carrying frame as described in claim 4, wherein the elastic piece latch has a elastic piece and a latch. One end of the elastic piece is connected to the inner wall of the shell, and the latch is connected to the other end of the elastic piece. Insert into the upper or lower jack. The bicycle carrying frame according to claim 1, wherein the positioning seat has a protruding stop portion; the pivoting device can further be pivoted to an inclined position by external force. When the pivoting device is in the inclined position , the housing is against the stopper to prevent the pivot device from tilting downward excessively.

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