TWI704071B - Quick release handle structure - Google Patents

Abstract

A quick release handle structure has a control rod installed in a groove body extending axially of a positioning shaft. The quick release handle structure has a sleeve which penetrates the control rod and has an outer wall positioned at the opening of the groove body; a baffle, It is located on the control rod and away from the kit; and, a spring is sleeved on the control rod, and two ends of the spring abut against the blocking piece and the kit. This design can simplify the internal structure of the quick-release handle, facilitate installation, adjustment and disassembly, and improve the structural strength.

Description

Quick release handle structure

This creation is about a bicycle quick-release handle, especially a quick-release handle structure with a simplified structure and easy operation.

The bicycle wheel axle will be equipped with a control rod to produce the axle assembly and disassembly state, to facilitate the disassembly and replacement of the wheel from the front fork bracket, in addition, there will be a handle on one end of the axle to drive a quick-release mechanism for synchronous drive control The rod is used for the assembly and disassembly of the wheel and axle, allowing the user to perform disassembly operations without relying on tools.

After the assembly is completed, the handle is positioned at a predetermined angle without affecting the locked components to avoid the handle being interfered by the wheels. Therefore, the handle of the quick release mechanism is designed to be axially sleeved and engaged in sequence through the four elements of the end, spring, pull rod, and sleeve at least. The other end of the sleeve is installed on the axle, and the pull rod can pass through the axial ( Outward) displacement releases the part of the body and the sleeve that engages, so that the pull rod can only be deflected relative to the end without affecting the locked axle. After the adjustment, the spring resets the pull rod to engage the sleeve again. In order to achieve the above effects, the components of the quick release handle have become complicated. In addition, the increase in the number of components may also affect the structural strength. These defects are the direction that the industry is committed to improving.

The purpose of this creation is to provide a quick-release handle structure, which has a simplified structure, is convenient for installation and can improve the structural strength.

According to the purpose of this creation, a quick release handle structure is provided for operating a positioning shaft to install wheels. The quick release handle structure has a control rod detachably locked to a groove body extending axially of the positioning shaft, and the groove body has a The installation section is adjacent to an opening thereof to accommodate a middle section of the control rod, and the bottom of the tank has a fixed section for positioning a locking section of the control rod.

The control rod has a handle located at one end away from the locking section, and a part of the middle section of the control rod is radially projected to form a positioning part. In addition, a threaded kit is provided on the surface of the control rod, and the external thread is locked to the opening of the groove. The inner wall of the threaded kit and the surface of the positioning part are complementary; a stopper is installed away from the threaded kit; and a spring is set On the control rod, between the baffle and the threaded assembly.

After installing the positioning shaft, the user can pull the handle outwards to drive the control rod to slide axially relative to the threaded kit, so that the control rod locking section is drawn out from the bottom of the tank. At this time, the handle can drive the control rod to rotate. Adjust to a predetermined angle. In the process of pulling out the handle, the stopper will also move relative to the threaded sleeve, so that the spring between the threaded sleeve and the stopper is squeezed. When the user releases the handle, the elastic energy of the spring will be released to release the control rod. Reset.

To completely disassemble the quick release handle, you can continue to pull the handle outwards so that the positioning part of the control rod is locked on the inner wall of the threaded assembly. At this time, the control rod can drive the threaded assembly to rotate synchronously, so that the threaded assembly can move from the groove. The body opening is detached, and then the squeezed spring will eject the other part of the control rod out of the groove of the positioning shaft to complete the disassembly. This structure can use only one axially extending element (ie, control rod) to achieve angle adjustment, squeeze the spring, and remove the threaded set, which is more convenient for installation, angle adjustment and at the same time improving the structural strength.

Further, the positioning part is a polygonal column shape, the cross section of the middle section of the control rod is an inscribed circle of the cross section of the positioning part, the thickness of the threaded sleeve is greater than the thickness of the positioning part, so that the threaded sleeve can slide relative to the control rod.

Further, the baffle is a C-shaped baffle to facilitate assembly and positioning on the control rod.

Further, the fixed section of the tank body has a ring-shaped rib inner wall adjacent to the bottom of the tank body, and the ring-shaped smooth inner wall is located between the inner wall of the rib and the opening of the fixed section, and the inner wall of the rib has a plurality of rib edges. The axis is arranged at equal angles and matches the structure of the locking section of the control rod. When the quick release handle is locked, the locking section of the control rod will jam against the inner wall of the rib. When the control rod is pulled out to make the locking section separate from the inner wall of the rib, the locking section can rotate to meet the top of the inner wall of the rib. Staggered, the locking section is pressed against the smooth side wall, so that the user can easily adjust the angle of the handle by providing only the rotating torque.

According to the purpose of this creation, a quick-release handle structure is also provided for operating a positioning shaft to install wheels. The quick-release handle structure has a control rod that is detachably locked to a groove body extending axially of the positioning shaft. The groove body has An installation section is adjacent to an opening thereof to accommodate a middle section of the control rod, the bottom of the tank body has a fixing section and a locking section for positioning the control rod, and the inner wall of the tank body opening is provided with a sealing element.

The control rod has a handle located at one end away from the locking section; a sleeve is provided on the control rod, and the outer wall of the sleeve can be positioned on the seal of the slot opening or slide relatively along the inner wall of the slot opening; a baffle is positioned And adjacent to the locking section; and, a spring is sleeved on the control rod and the two ends abut against the blocking piece and the sleeve.

Compared with the previous structure, in the process of disassembling this kind of handle, the baffle of the control lever will first squeeze the spring, and then the baffle will push against the kit so that the kit can slide toward the opening of the slot. When the outer wall of the kit is completely When leaving the slot opening, the spring will release the elastic potential energy and eject the other part of the control rod out of the slot of the positioning shaft. Therefore, the disassembly can be completed by pulling the handle outward continuously.

Further, the kit has a top surface and a ring-shaped side wall spaced from the surface of the control rod. At this time, one end of the spring abuts the top surface, and a part of the spring is accommodated between the inner wall of the ring-shaped side wall and the control rod to form a gap. , In addition, the kit can also contain compression springs.

Further, the kit can be located between the handle mounting seat and the slot opening in the locked state as a positioning element for the handle and the slot body. In addition, the overall length of the quick release mechanism can be shortened, which is beneficial to adjust other components to the appropriate position.

10: positioning axis

11: tank

12, 141: opening

121, 65: ring groove

13: Installation section

14: fixed segment

142: Smooth inner wall

143: Convex rib inner wall

20: handle

21: control lever

22: Cylindrical

23: Positioning Department

25: stuck section

251: Guide groove

26: Groove

30: Thread kit

311: External thread

312, 61: inner wall

40: spring

50: baffle

51: bump

60: Kit

62: Outer Wall

70: O-ring

Figure 1 is a schematic diagram of the appearance of the quick release handle structure.

Fig. 2 is an exploded view of components of the quick-release handle structure of Fig. 1 and a cross-sectional view of the tank.

3 is a cross-sectional view of the quick release handle structure of FIG. 1 in a locked state.

Fig. 4 is a flow chart of the quick release handle structure of Fig. 1 in the disassembly steps.

Fig. 5 is an assembly diagram of another embodiment of the control rod of the quick release handle structure.

6 is a cross-sectional view of the quick release handle structure of FIG. 5 in a locked state.

FIG. 7 is a flow chart of the quick release handle structure of FIG. 5 in the disassembly steps.

In order to facilitate understanding, the following content is described with the opening direction of the positioning shaft (wheel shaft) groove as the front end, so as to conform to the understanding of this embodiment of the common knowledge.

Please refer to Figures 1 to 3, which shows an implementation aspect of the quick release handle structure, which mainly includes a positioning shaft 10 and a control rod 21 detachably locked to the positioning shaft 10, and the middle section of the positioning shaft 10 can be used for a bicycle. 2. The positioning axle (not shown) of the front wheel or rear wheel frame is used to position the wheels. When the control rod 21 is locked to the positioning shaft, the user can lock the other end of the positioning shaft 10 through the control rod 21 to complete the wheel installation.

The positioning shaft 10 has a groove body 11 extending axially. The middle section and the bottom of the groove body 11 are respectively defined as a mounting section 13 and a fixing section 14, wherein the aperture of the mounting section 13 is larger than the aperture of the fixing section 14.

A handle 20 is installed at one end of the control rod 21, and a locking section 25 is formed at the other end to match the fixed section 14. The main body of the middle section of the control rod 21 is a cylinder 22, and a part of the cylinder 22 radially protrudes to form an octagonal column shape A positioning portion 23, so that the cross section of the cylinder 22 is an inscribed circle of the cross section of the octagonal positioning portion 23. In addition, the control rod 21 is also provided with a groove 26 located on the surface of the cylinder 22 close to the locking section 25 for positioning a C-shaped baffle 50. In this embodiment, the C-shaped baffle 50 is slid into the groove 26 from the side through a plurality of protrusions 51 protruding outward from the inner edge thereof.

The middle section of the control rod 21 is provided with a threaded sleeve 30. The threaded sleeve 30 has an external thread 311 to be locked to the opening 12 of the tank 11, at least a part of the contour of the inner wall 312 of the threaded sleeve 30 conforms to the surface of the positioning portion 23, and the threaded sleeve 30 The (axial) thickness is greater than the thickness of the positioning portion 23. When the control rod 21 moves radially along the inner wall 312 of the threaded sleeve 30, since the cylinder 22 is smaller than the inner wall 312 of the threaded sleeve 30, the control rod 21 can slide or rotate in the inner wall 312 of the threaded sleeve 30. However, when controlling When the positioning portion 23 of the rod 21 slides to the threaded sleeve 30, since the surface of the positioning portion 23 will engage with the inner wall 312 of the threaded sleeve 30, the rotational torque of the control rod 21 can be transmitted to the threaded sleeve 30. At this time, the control rod 21 can be Drive the threaded set 30 to rotate synchronously. In addition, the positioning portion 23 and the threaded assembly 30 can also be meshed with a plurality of teeth, which also has the same effect.

The control rod 21 is sleeved with a conical coil spring 40 and is located between the C-shaped baffle 50 and the threaded assembly 30. The opening of the spring 40 of the C-shaped baffle 50 is smaller than that of the spring 40 of the abutting screw assembly 30, so that the spiral The inside of the spring 40 is spaced from the positioning portion 23.

The fixed section 14 of the groove body 11 radially protrudes to form an opening 141, and the fixed section 14 has an annular rib inner wall 143 adjacent to the bottom of the groove body 11, and an annular smooth inner wall 142 located between the rib inner wall 143 and The fixed section opening 141 between the installation sections. The rib inner wall 143 is a plurality of ribs protruding along the axis of the groove body and arranged at equal angles, and the rib inner wall 143 matches the structure of the plurality of guide grooves 251 at the bottom end of the locking section 25 of the control rod 21. Thereby, the locking section 25 of the control rod 21 can be completely locked on the inner wall 143 of the rib at the bottom of the tank 11 when it is rotated to a specific angle.

Please refer to Figure 3, when the quick release handle is locked, the control rod 21 will be located in the groove 11 of the positioning shaft 10, the installation section 13 of the groove 11 accommodates the middle section of the control rod 21, and the threaded assembly 30 is locked in the opening of the groove 11 12. The C-shaped baffle 50 is located at the opening 141 of the fixed section, and the locking section 25 at the rear end of the control rod 21 is locked on the fixed section 14 of the groove 11 so that the spring 40 is maintained in a released state (that is, no elastic deformation occurs). Moreover, since the quick release handle only uses one axially extending control rod to drive other components, it is more convenient to install and at the same time improve the structural strength.

Please refer to FIG. 4, which illustrates the process of phased unlocking of the quick release handle of FIG. 1.

When the quick release handle is locked, the user can apply force to the control rod 21 through the handle 20 to separate the locking section 25 from the rib inner wall 143, and rotate the handle 20 to connect the bottom of the locking section 25 to the rib inner wall 143. The tops are staggered, so that the locking section 25 abuts against the smooth side wall to complete the unlocking of the first section. During the axial displacement of the control rod 21, the stop piece 50 will also move relative to the threaded sleeve 30, so that the spring 40 between the threaded sleeve 30 and the stopper 50 is squeezed. At this stage, the user can freely adjust the angle of the handle 20 to a proper position. Once the force is stopped, the elastic position of the spring 40 will be released and the control lever 21 will be automatically reset.

If the user wants to remove the handle 20, he can continue to pull out the control rod 21, so that the control rod 21 continues to slide relative to the threaded sleeve 30, and the positioning part 23 of the middle section of the control rod 21 faces the threaded sleeve 30. At this time, the C-shaped stopper 50 also moves relative to the threaded sleeve 30 and presses the spring 40 at the same time. When the threaded sleeve 30 is sleeved on the positioning part 23, the user can drive the threaded sleeve 30 to rotate synchronously through the handle 20, and remove the threaded sleeve 30 from the slot opening 12 to complete the second unlocking. At this time, the spring 40 will release the elasticity. Position energy, eject the other part of the control rod 21 out of the slot 11 of the positioning shaft, and complete the disassembly.

Please refer to Figures 5 and 6, which illustrate another implementation aspect of the quick release handle structure. In this implementation aspect, the inner wall of the opening 12 of the groove body 11 is radially recessed with an annular groove 121 for installing an O-ring 70 as a seal. A handle 20 is installed at one end of the control rod 21. The main body of the middle section of the control rod 21 is a cylinder 22. The surface of the cylinder 22 is installed and positioned in sequence with the kit 60, the spring 40 and the ring stopper 50, and then a hexagonal nut is sleeved to form a lock Segment 25.

In this embodiment, the kit 60 has a top cover and is sleeved on the cylinder 22 through the perforation of the top cover, and the annular side wall extends from one side of the top cover and is spaced apart from the surface of the cylinder 22. The outer diameter of the spring 40 is smaller than The inner wall 61 of the ring-shaped side wall, and the outer diameter of the ring-shaped elastic piece 50 is greater than the diameter of the inner wall 61 of the ring-shaped side wall. Therefore, in the locked state, one end of the spring 40 can abut against the top cover of the sleeve 60, and a part of the spring 40 can be accommodated between the inner wall 61 of the annular side wall of the sleeve 60 and the cylinder 22. Compared with the previous embodiment, this embodiment can also keep the spring 40 in a released state while shortening the length of the middle section of the control terminal 21.

The outer wall 62 of the annular side wall of the sleeve 60 can be axially displaced along the inner wall of the opening 12 of the tank body 11. In addition, the outer wall 62 of the sleeve 60 is also provided with an annular groove 65 to match the O-ring 70 of the opening 12 of the tank body 11 , So that the sleeve 60 can be positioned in the opening 12 of the tank 11 to form a locked state. In addition, the handle 20 is provided with a through hole as a mounting portion to position the front end of the control rod 21. Therefore, in the locked state, the kit 60 can also be accommodated in the space formed by the through hole of the handle 20 and the opening 12 of the tank 11, To position the handle 20 and the tank 11.

Please refer to FIG. 7, which illustrates the process of phased unlocking of the quick release handle structure of FIG. 5.

In this embodiment, the process of unlocking in the first stage is similar to the previous embodiment. The user can apply force through the handle 20 to make the locking section 25 of the control rod 21 separate from the fixing section 14 of the groove 11 to Adjust the angle of the handle 20. During the axial displacement of the control rod 21, the ring-shaped elastic piece 50 will also slide relative to the sleeve 60 and compress the spring 40. Once the force is stopped, the control rod 21 will automatically reset.

If the user wants to remove the handle 20, he can continue to pull out the control rod. At this time, since the outer diameter of the ring-shaped spring piece 50 is larger than the inner diameter of the ring-shaped side wall of the sleeve 60, the ring-shaped spring piece 50 will first completely squeeze the spring 40 against The sleeve 60 is then locked on one side of the sleeve 60, and the sleeve 60 is pushed to slide axially toward the opening of the groove 11. When the annular side wall of the sleeve 60 is completely separated from the opening 12 of the groove body 11, the spring 40 will release the elastic potential energy and eject the other parts of the control rod 21 out of the groove body 11 of the positioning shaft. Compared with the previous embodiment, the user only needs to continuously pull the control rod 21 out of the opening 12 of the slot 11 through the handle 20 to complete the disassembly, which is more convenient.

10: positioning axis

11: tank

12, 141: opening

13: Installation section

14: fixed segment

142: Smooth inner wall

143: Convex rib inner wall

20: handle

21: control lever

22: Cylindrical

23: Positioning Department

25: stuck section

251: Guide groove

26: Groove

30: Thread kit

311: External thread

312: Inner Wall

40: spring

50: C-type baffle

51: bump

Claims (14)

A quick-release handle structure has a control rod installed in a groove body extending axially of a positioning shaft, and is characterized in that: a sleeve is penetrated through the control rod, and an outer wall thereof is positioned at the groove body opening; , Located on the control rod and away from the kit; and a spring sleeved on the control rod, the two ends of which abut against the baffle and the kit; wherein the control rod has a cylindrical middle section and a locking Section, the sleeve is passed through the middle section of the control rod, the locking section is positioned in the groove, and the baffle piece is positioned between the middle section and the locking section. The quick release handle structure according to claim 1, wherein the outer wall of the kit is provided with threads. According to the quick release handle structure of claim 1, wherein the middle section of the control rod is radially protruded to form a positioning portion, and an inner wall of the sleeve and the positioning portion are in a complementary shape. According to claim 3, the quick release handle structure, wherein the positioning portion is a polygonal column shape. The quick release handle structure according to claim 3, wherein the cross section of the control rod is an inscribed circle of the cross section of the positioning portion. The quick release handle structure according to claim 3, wherein the thickness of the sleeve is greater than the thickness of the positioning portion. According to the quick release handle structure of claim 1, wherein the inner wall of the opening of the tank body is provided with a sealing element to position the outer wall of the kit. The quick release handle structure according to claim 1, wherein the kit is accommodated between the mounting portion of a handle and the slot opening. The quick release handle structure according to claim 1, wherein the tank has a fixed section to accommodate the The locking section of the control lever. According to the quick release handle structure of claim 9, wherein the fixed section is located at the bottom of the tank body and has a plurality of protruding ribs, which matches the structure of the locking section of the control rod. The quick release handle structure according to claim 10, wherein the protruding ribs of the fixed section are arranged at an equal angle along an axis. The quick release handle structure according to claim 9, wherein the fixed section of the groove body radially protrudes to form an opening, and the fixed section has an annular rib inner wall adjacent to the bottom of the groove body and an annular one The smooth inner wall is located between the inner wall of the rib and the opening of the fixed section. According to claim 1, the quick release handle structure, wherein the blocking piece is a C-shaped blocking piece. The quick release handle structure according to any one of claims 1 to 13, wherein there is a gap between an inner wall of the kit and the control rod.

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