TWM596196U - Quick-release handle structure - Google Patents

Abstract

A quick-release handle structure has a control rod mounted on a groove body with a positioning shaft extending axially. The quick-release handle structure has a kit that is inserted into the control rod and its outer wall is positioned at the opening of the groove body; a blocking piece, It is positioned on the control rod and away from the kit; and, a spring is sleeved on the control rod, and its two ends abut the blocking piece and the kit. This design simplifies the internal structure of the quick release handle, facilitates installation, adjustment and removal, and improves structural strength.

Description

Quick release handle structure

This creation is about a quick release handlebar for bicycles, especially a quick release handlebar structure with simplified structure and easy operation.

The bicycle wheel axle will be equipped with a control rod to produce the assembly and disassembly of the axle to facilitate the disassembly and replacement of the wheel from the front fork bracket. In addition, a handle will be provided at one end of the axle to drive the quick release mechanism to synchronize the control The lever assembles and disassembles the axle, allowing users to disassemble without relying on tools.

After assembling, the handle will be adjusted at a predetermined angle without affecting the locked components to prevent the handle from being disturbed by the wheels. Therefore, the handle of the quick release mechanism is designed to be axially sleeved and engaged in sequence through at least four elements of the end, the spring, the tie rod, and the sleeve. The other end of the sleeve is installed on the axle, and the tie rod can pass the axial direction ( (Outwardly) displacement disengages the part where the body is engaged with the sleeve, so that the tie rod can only deflect with respect to the end without affecting the locked axle. After the adjustment is completed, the spring resets the tie rod and engages the sleeve again. In order to achieve the above-mentioned effects, the components of the quick-release handle are complicated, and 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 with a simplified structure that is easy to install and can increase the structural strength.

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

The control rod has a handle positioned at an end away from the locking section, and a portion of the middle section of the control rod is radially protruded to form a positioning portion. In addition, a threaded set is provided on the surface of the control rod, the external thread is locked in the slot opening, the inner wall of the threaded set and the surface of the positioning portion are complementary; a baffle is installed and away from the threaded set; and, a spring is set The control lever is located between the baffle and the threaded kit.

After installing the positioning shaft, the user can pull the handle outward to drive the control rod to slide axially relative to the threaded kit, so that the control rod locking section is withdrawn from the bottom of the groove body, at this time, the handle can drive the control rod to rotate, Adjust to a predetermined angle. During the process of withdrawing the handle, since the blocking piece moves relative to the threaded sleeve, the spring between the threaded sleeve and the blocking piece is squeezed. When the user releases the handle, the elastic potential energy of the spring is released to move the lever Reset.

To completely remove the quick-release handle, you can continue to pull out the handle, so that the positioning part of the control rod is locked to the inner wall of the threaded kit. At this time, the control rod can drive the threaded kit to rotate synchronously, so that the threaded kit is removed from the groove. The opening of the body is detached. Then, the squeezed spring will eject the other parts of the control lever from the groove body 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 disassemble the threaded kit, which is easier to install, adjust the angle, and increase the structural strength.

Further, the positioning portion is in the shape of a polygonal column, the middle section of the control rod is an inscribed circle of the section of the positioning section, and the thickness of the thread set is greater than the thickness of the positioning section, so that the thread set 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 groove body has an annular convex rib inner wall adjacent to the bottom of the groove body, and an annular smooth inner wall is located between the convex rib inner wall and the fixed section opening, the convex rib inner wall has a plurality of convex rib edges It is arranged at equal angles along its axis 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 catch the inner wall of the convex rib. When the control rod is pulled out to disengage the locking section from the inner wall of the convex rib, the locking section can rotate to the top of the inner wall of the convex rib Staggered, the locking section is pressed against the smooth side wall, so that the user can only provide the rotational torque and easily adjust the angle of the handle.

According to the purpose of this creation, there is also provided a quick release handle structure for operating a positioning shaft to install a wheel. The quick release handle structure has a control rod detachably locked to a slot body axially extending from the positioning shaft. The slot body has A mounting section is adjacent to an opening thereof to accommodate an intermediate section of the control rod, a bottom of the tank body has a fixed section to locate a locking section of the control rod, and a seal is provided on an inner wall of the opening of the tank body.

The control rod has a handle located at the end away from the locking section; a kit is provided on the control rod, and the outer wall of the kit can be positioned at the seal of the slot opening or relatively slide along the inner wall of the slot opening; a stopper 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 kit.

Compared with the previous structure, during the disassembly of this handle, the lever of the control lever will first squeeze the spring, and then the flap will push against the kit, so that the kit can slide toward the opening of the tank, when the outer wall of the kit is completely When leaving the slot opening, the spring will release the elastic potential energy, and the other parts of the control lever will be ejected from the slot body of the positioning shaft. Therefore, as long as the handle is continuously pulled out, the disassembly can be completed.

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 accommodate compression springs.

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

For ease of understanding, the following content is described with the opening direction of the groove of the positioning shaft (axle) as the front end, so as to conform to the understanding of the present embodiment by a person having ordinary knowledge.

Please refer to FIG. 1 to FIG. 3, which shows an embodiment of the quick release handle structure, which mainly includes a positioning shaft 10 and a control rod 21 to be detachably locked to the positioning shaft 10, and the middle section of the positioning shaft 10 can be fitted with a bicycle Two positioning wheels (not shown) of the front wheel or rear wheel skeleton are used to position the wheels. When the control lever 21 is locked to the positioning shaft, the user can lock the other end of the positioning shaft 10 through the control lever 21 to complete the wheel installation.

The positioning shaft 10 has a slot body 11 extending axially. The middle section and the bottom of the slot body 11 are respectively defined as a mounting section 13 and a fixing section 14, wherein the mounting section 13 has a larger aperture than 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 portion of the cylinder 22 protrudes radially to form an octagonal column A positioning portion 23, and 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 further provided with a groove 26 located on the surface of the cylinder 22 close to the locking section 25 for positioning a C-shaped blocking piece 50. In the present embodiment, the C-shaped baffle 50 is slid into and installed in the groove 26 laterally through a plurality of protrusions 51 protruding outward from its inner edge.

The middle section of the control rod 21 is threaded with a threaded set 30. The threaded set 30 has external threads 311 to be locked to the opening 12 of the groove body 11. At least a part of the contour of the inner wall 312 of the threaded set 30 conforms to the surface of the positioning portion 23. 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 screw set 30, since the cylinder 22 is smaller than the inner wall 312 of the screw set 30, the control rod 21 can slide or rotate in the inner wall 312 of the screw set 30, however, when the control When the positioning portion 23 of the rod 21 slides to the screw set 30, the surface of the positioning portion 23 will engage with the inner wall 312 of the screw set 30, so that the rotational torque of the control rod 21 can be transmitted to the screw set 30. At this time, the control rod 21 can The screw set 30 is driven to rotate synchronously. In addition, the positioning portion 23 and the screw set 30 can also be meshed through a plurality of teeth, and also have the same effect.

The control rod 21 is provided with a conical coil spring 40 against which is located between the C-shaped baffle 50 and the threaded set 30. The opening of the spring 40 against the C-shaped baffle 50 is smaller than the opening of the spring 40 against the threaded set 30, so that the spiral The interior of the spring 40 is spaced from the positioning portion 23.

The fixing section 14 of the tank body 11 has an annular rib inner wall 143 adjacent to the bottom of the tank body 11 and an annular smooth inner wall 142 between the rib inner wall 143 and the mounting section opening 141. The rib inner wall 143 is a plurality of ribs protruding along the axis of the groove body and arranged at an equal angle, and the rib inner wall 143 is structurally matched with the plurality of guide grooves 251 at the bottom end of the locking section 25 of the control rod 21. Thereby, when the locking section 25 of the control rod 21 rotates to a specific angle, it can be completely locked to the inner wall 143 of the rib at the bottom of the groove 11.

Please refer to FIG. 3, when the quick release handle is locked, the control rod 21 will be located in the groove body 11 of the positioning shaft 10, the installation section 13 of the groove body 11 accommodates the middle section of the control rod 21, and the screw set 30 is locked in the opening of the groove body 11 12. The C-shaped baffle 50 is located in the opening 141 of the fixed section, and the locking section 25 at the rear end of the control rod 21 is locked in the fixed section 14 of the groove body 11 to maintain the released state of the spring 40 (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 a phased unlocking process 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 disengage the locking section 25 from the inner wall 143 of the rib, rotate the handle 20, and connect the bottom of the locking section 25 and the inner wall 143 of the rib The tops are staggered so that the locking section 25 abuts the smooth side wall to complete the first section unlocking. During the axial displacement of the control rod 21, since the blocking piece 50 also moves relative to the threaded sleeve 30, the spring 40 between the threaded sleeve 30 and the blocking piece 50 is compressed. At this stage, the user can freely adjust the angle of the handle 20 to be in an appropriate position. Once the force application is stopped, the elastic potential 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, the control rod 21 can be continuously pulled out, so that the control rod 21 can continue to slide relative to the screw set 30, and the positioning portion 23 in the middle section of the control rod 21 can be directed toward the screw set 30. 50 also moves relative to the threaded sleeve 30 and compresses the spring 40 at the same time. When the threaded set 30 is sleeved on the positioning portion 23, the user can drive the threaded set 30 to rotate synchronously through the handle 20, and remove the threaded set 30 from the slot opening 12 to complete the second stage of unlocking. At this time, the spring 40 will release the elasticity With potential energy, the other parts of the control lever 21 are ejected from the groove body 11 of the positioning shaft to complete disassembly.

Please refer to FIGS. 5 and 6 for another embodiment of the quick release handle structure. In this embodiment, 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 sequentially installed and positioned with a kit 60, a spring 40, and an annular baffle 50, and then a hexagonal nut is sleeved to form a locking Paragraph 25.

In this embodiment, the kit 60 has a top cover which is sleeved on the cylinder 22 through the perforation of the top cover, and the ring-shaped side wall extends from one side of the top cover and is spaced from the surface of the cylinder 22, and the outer diameter of the spring 40 is less than In the inner wall 61 of the ring-shaped side wall, the outer diameter of the ring-shaped elastic piece 50 is larger 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 kit 60, and a part of the spring 40 can be accommodated between the inner wall 61 of the ring-shaped side wall of the kit 60 and the cylinder 22. Compared with the previous embodiment, the present embodiment can also maintain the released state of the spring 40 by shortening the length of the middle section of the control end 21.

The outer wall 62 of the ring-shaped side wall of the kit 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 kit 60 is further provided with an annular groove 65 to match the O-ring 70 of the opening 12 of the tank body 11 , So that the kit 60 can be positioned at 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 lever 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 groove body 11, To locate the handle 20 and the tank 11.

Please refer to FIG. 7, which illustrates a phased unlocking process 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 disengage the locking section 25 of the control rod 21 from the fixed section 14 of the tank 11 to Adjust the angle of the handle 20. During the axial displacement of the control rod 21, the ring-shaped elastic sheet 50 also slides relative to the kit 60 and squeezes the spring 40. Once the force application is stopped, the control rod 21 is automatically reset.

If the user wants to remove the handle 20, the lever can be continuously pulled out. At this time, since the outer diameter of the ring-shaped elastic piece 50 is larger than the inner diameter of the ring-shaped side wall of the kit 60, the ring-shaped elastic piece 50 will first completely compress the spring 40 on the In the kit 60, it is locked on one side of the kit 60, and pushes the kit 60 to slide axially toward the opening of the groove body 11. When the ring-shaped side wall of the kit 60 completely disengages 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 pull the control rod 21 out of the opening 12 of the tank 11 through the handle 20 to complete the disassembly, which is more convenient.

10: Positioning axis 11: tank body 12, 141: opening 121, 65: annular groove 13: Installation section 14: fixed segment 142: Smooth inner wall 143: rib inner wall 20: handle 21: Joystick 22: Cylindrical 23: Positioning Department 25: Stuck section 251: Guide groove 26: groove 30: Threaded kit 311: external thread 312, 61: inner wall 40: Spring 50: block 51: bump 60: Kit 62: outer wall 70: O-ring

FIG. 1 is a schematic view of the appearance of a quick release handle structure.

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

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 a disassembly step.

FIG. 5 is an assembly diagram of another embodiment of the control lever 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.

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

10: Positioning axis

11: tank body

12, 141: opening

13: Installation section

14: fixed segment

142: Smooth inner wall

143: rib inner wall

20: handle

21: Joystick

22: Cylindrical

23: Positioning Department

25: Stuck section

251: Guide groove

26: groove

30: Threaded kit

311: external thread

312: Inner wall

40: Spring

50: C-shaped baffle

51: bump

Claims (14)

A quick-release handle structure with a control rod mounted on a groove extending axially on a positioning shaft, characterized by: A kit, which is inserted into the control rod, and an outer wall of which is positioned at the opening of the tank; A baffle, positioned on the lever and away from the kit; and A spring is sleeved on the control rod, and the two ends thereof abut the blocking piece and the kit. The quick release handle structure according to claim 1, wherein the outer wall of the kit is provided with threads. The quick release handle structure according to claim 1, wherein a portion of the control rod is radially protruded to form a positioning portion, and an inner wall of the kit and the positioning portion exhibit complementary shapes. The quick release handle structure as described in claim 3, wherein the positioning portion is in the shape of a polygonal column. 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 kit is greater than the thickness of the positioning portion. The quick release handle structure according to claim 1, wherein the inner wall of the opening of the trough is provided with a sealing member to position the outer wall of the kit. The quick release handle structure according to claim 1, wherein the kit is accommodated between a mounting portion of a handle and the opening of the groove body. The quick release handle structure according to claim 1, wherein the groove body has a fixed section for receiving a locking section of the control rod. The quick release handle structure according to claim 9, wherein the fixing section is located at the bottom of the groove body and has a plurality of ribs, which matches the structure of the locking section of the control rod. The quick release handle structure according to claim 10, wherein the convex ribs of the fixing section are arranged at an equal angle along an axis. The quick release handle structure according to claim 9, wherein the fixing section has an annular inner wall of a rib adjacent to the bottom of the groove, and an annular smooth inner wall is located at the opening of the inner wall of the rib and the fixing section between. The quick release handle structure as described in claim 1, 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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