TWM530774U - Bi-directional ratchet quick release device - Google Patents

Description

Two-way ratchet quick release device

The invention relates to a quick release device suitable for bicycles, in particular to a two-way ratchet quick release device.

The quick release device is a locking device that can be quickly locked or loosened, and is widely used in various exercise and fitness devices such as bicycles, scooters and exercise bikes. The general quick release device utilizes an eccentric cam structure to produce a quick lock fixing or loosening performance. The specific structural design of the cam type quick release device can be found in the patent documents of TW M521680, TW M519109 and TW M516551. , the capacity is no longer detailed. The existing cam type quick release device cannot adjust the angle position of the handle of the quick release wrench when the screw is tightened by the quick release wrench, so that the handle of the quick release wrench is often rotated to an inappropriate position and interfered or hindered by other parts. .

In order to solve the problem that the handle of the quick release wrench of the cam type quick release device is difficult to control, the related art has developed a ratchet quick release device disclosed in the patent documents TW M457653 and TW 201540595. The existing ratchet quick release device is provided with a ratchet at the operation end of the quick release mandrel and is combined with a quick release wrench with an internal ratchet ring, a return spring and a push button, and the internal ratchet ring is engaged with the ratchet wheel. When the quick release wrench is used, the quick release wrench can drive the quick release core to be screwed forward or backward. When the ratchet quick release device is tightly locked and needs to adjust the position of the quick release wrench handle, the quick release wrench can be pulled up to disengage the inner ratchet ring from the ratchet of the quick release spindle, so that the quick release wrench can be idling and adjusted to Position at any angle, and after adjustment, use the return spring to re-engage the inner ratchet ring of the quick release wrench with the ratchet of the quick release spindle.

The internal ratchet ring of the quick release wrench of the existing ratchet quick release device directly meshes with the ratchet of the quick release mandrel, and does not have a one-way driving function, when it is required to operate in a small space or limited to an angle range, The quick release wrench must be continually pulled up to release the engagement state of the quick release wrench and the quick release mandrel, and after the idle reset, the drive can be continued to drive the quick release spindle rotation, and the operation force is quite inconvenient and continuously Pulling up the quick release wrench is quite laborious and time consuming.

In order to solve the inconvenience, laboriousness and time consuming deficiency and limitation of the prior operation of the existing ratchet quick release device, the present invention proposes a two-way ratchet quick release device, which is fastened by the meshing of the toothed shaft and the toothed paddle. It can repeatedly drive the mandrel to rotate or unlock in a certain angle range, and can switch the free rotation direction of the quick release wrench through the switching assembly, so that the quick release wrench can be placed in the proper place.

The two-way ratchet quick release device proposed by the present invention comprises: a mandrel having a long rod-like member and forming a joint end at one end; a quick release wrench having a set of slots and a handle in the group a mandrel hole through which the connecting end passes is disposed at a bottom of the groove; a toothed rotating shaft is disposed in the set groove and fixedly coupled to the connecting end of the mandrel in a non-rotatable manner, the toothed rotating shaft The outer peripheral surface forms a toothed annular surface; a rod assembly having a pair of symmetrically arranged toothed picks and the pair of toothed picks are swingably disposed in the set of grooves, each of the toothed picks Retaining a toothed annular surface that is engaged with the toothed shaft by a pushing force, respectively; and a switching assembly provided with a switching shaft disposed in the group of slots, one end of the switching shaft penetrating the group The switch is provided with a toggle switch, and the switch shaft is provided with a switch block, and the switch shaft drives the switch block to rotate and can push the corresponding tooth type pad with the switch block to release the switch Toothed shaft Engagement.

Preferably, the grouping groove has an opening and a cover plate covers the opening for closing the group of grooves.

Preferably, the toothed rotating shaft is provided with a connecting hole matching the connecting end of the connecting shaft, and the connecting hole and the connecting end have a non-circular cross-sectional shape.

Preferably, a pair of shaft bolt holes are arranged at a bottom of the groove of the group of slots, and a pair of shaft bolt holes are respectively disposed on the cover plate, and the toothed picks are respectively formed at two ends. a pivot hole and a rod, and a pair of shaft bolts are inserted through the pair of shaft bolt holes and the pair of pin tabs to engage the pair of shaft bolt holes.

Preferably, the toothed paddle is coupled with a spring pin, and the pushing spring sleeves the spring pin and the two ends abut against the toothed paddle and the grouping groove. Side wall.

Preferably, a positioning pin is disposed in the telescopic movable state to be coupled to the switching block, and a spring is disposed on the positioning pin.

Preferably, at the bottom of the groove of the grouping groove, there are three positioning notches which are arranged in a circular arc at a center of the switching axis, and the positioning pin is abutted against one of the Position the notch.

Compared with the prior art, the enhancements obtained by the technical means of the present invention include: 1. The novel switching control of the switching component can switch the meshing direction of the rod assembly, so that the quick release wrench can select one-way free rotation without With the rotation of the mandrel, it can be locked or loosened within a certain angle range, and the operation is quite quick and convenient. 2. The quick release wrench of the present invention can directly drive the spindle to lock or loosen. Compared with the existing ratchet quick release device, the operation mode of continuously pulling the quick release wrench during the operation process is required. The effort is extremely labor-saving.

The preferred embodiment of the bidirectional ratchet quick release device of the present invention is as shown in FIG. 1 , FIG. 2 and FIG. 3 , and includes a mandrel 10 , a set of quick release wrenches 20 disposed on the mandrel 10 , and a fixed coupling to the core a shaft 10 and a toothed shaft 30 disposed in the quick release wrench 20, a cover 40 coupled to the quick release wrench 20, and a rod assembly 50 disposed in the quick release wrench 20 and engaging the toothed shaft 30 And a switching assembly 60 disposed within the quick release wrench 20 and switchable the rod assembly 50.

As shown in FIG. 2, FIG. 3 and FIG. 4, the mandrel 10 is a long rod-shaped member of a suitable length, and a connecting end 11 and a threaded end 12 are respectively formed at two ends; wherein the connecting end 11 is set to be The utility model has a non-circular shape in various cross sections such as a quadrangular column, a hexagonal column or a quincunx shape, and an internal threaded spindle hole 111 is provided at the axial center of the connecting end 11, as shown in the preferred embodiment. In the example, the connecting end 11 is formed into a hexagonal column shape having a length of the diagonal length smaller than the diameter of the main body of the mandrel 10, so that a ring edge is formed between the connecting end 11 and the main body of the mandrel 10; There is an external thread for a nut 13 to be screwed.

The quick release wrench 20 is a long handle member and has a pair of slots 21 and a handle 22 respectively formed at the two ends. The set slot 21 has an opening and a through hole is provided at the bottom of the slot for the connection end 11 to pass through. The spindle hole 23 is spaced apart from the spindle hole 23 by a pair of shaft bolt holes 24, and the groove bottom of the grouping groove 21 is in the spindle hole 23 and the pair of shaft bolt holes 24 A positioning hole 25 is disposed at a position adjacent to the mandrel hole 23, and three positioning notches 26 are arranged in a circular arc at a center of the shaft insertion hole 25; the quick release wrench 20 can directly The hole edge of the mandrel hole 23 or through a gasket abuts against the rim of the mandrel 10, so that the quick release wrench 20 can smoothly rotate with the mandrel 10 as an axis, as shown in the figure. In a preferred embodiment, the quick release wrench 20 is a ring-shaped spacer 27 that abuts against the rim of the mandrel 10.

The toothed rotating shaft 30 is a gear-shaped member in which a connecting hole 31 is formed in the axial center and a toothed annular surface 33 is formed on the outer peripheral surface. The connecting hole 31 is formed in a non-circular shape that is matched with the connecting end 11 . In the preferred embodiment, the connecting hole 31 is formed into a hexagonal hole shape, and the toothed rotating shaft 30 is provided with a circular shape having an inner diameter larger than the connecting hole 31 at an outward end of the connecting hole 31. The nanogroove 32 provides a mandrel screw 34 through a spacer 35 to be threadedly coupled to the spindle screw hole 111 of the mandrel 10, and allows the head of the spindle screw 34 to be hidden and received in the nanogroove 32. The head of the mandrel screw 34 sequentially forms a hexagonal hole 341 and a fixing screw hole 342 from the outward end.

The cover plate 40 is a plate-shaped member that is coupled to the opening of the group of slots 21, and the cover plate 40 is provided with a fixing hole 41 at a position corresponding to the spindle screw 34, and a fixing screw 42 passes through the fixing hole. And the fixing screw hole 342 of the spindle screw 34 is screwed and fixed to the opening position of the set slot 21; a shallow groove 43 is formed in a shallow groove shape corresponding to the surface of the rod assembly 50 and the switch assembly 60, and is disposed in the range of the shallow groove 43 and correspondingly disposed on the outer surface of the cover 40 The pair of shaft bolt holes 24 and the shaft insertion holes 25 of the quick release wrench 20 are disposed at a corresponding position through a pair of shaft bolt holes 44 and a shaft hole 45.

The rod assembly 50 includes a pair of symmetrically arranged dog-shaped paddles 51. Each of the tooth-type paddles 51 is a long-claw-shaped blade member and defines a pivot hole 511 and a rod 512 at both ends to provide a pair of shafts. The pin 52 passes through the pair of shaft bolt holes 44 and the pivot holes 511 of the pair of toothed paddles 51 and is screwed and fixed to the pair of pin bolt holes 24, so that the pair of toothed paddles 51 can be swung The modal combination is disposed in the assembly groove 21 of the quick release wrench 20, and each of the toothed paddles 51 utilizes a pushing spring disposed between the toothed paddle 51 and the inner wall corresponding to the grouping groove 21. 53. The rods 512 of the respective toothed paddles 51 are capable of maintaining the engaged latching state corresponding to the toothed toroidal surface 33 of the toothed rotating shaft 30. In the preferred embodiment as shown, each of the pushing springs Each of the sleeves 53 is disposed on a spring pin 54 coupled to the corresponding toothed paddle 51, and a pin hole 513 for coupling the spring pin 54 is disposed on the toothed paddle 51.

The switching assembly 60 is provided with a switching shaft 61 that is coupled to the rotating shaft hole 45 of the cover plate 40. The switching shaft 61 is located between the pair of toothed paddles 51 and is embedded in one end of the grouping groove 21. Positioned in the shaft insertion hole 25, the switching shaft 61 is fixedly coupled to one end of the cover plate 40, and is provided with a knob switch 62 capable of driving the rotation of the switching shaft 61, corresponding to the toothed paddle 51, and the switching shaft The middle portion of the 61 is integrally formed or fixedly coupled with a cam-shaped switching block 63, so that the switching assembly 60 can push the rod of one of the toothed picks 51 with the protruding end of the switching block 63. The 512 is released from the latching state of the toothed shaft 30; corresponding to the positioning recess 26 of the quick release wrench 20, a positioning pin hole 631 is formed in the switching block 63 to provide a positioning pin 64 for telescopic movement. The state insertion is coupled to the positioning pin hole 631. The positioning pin 64 has a circular arc head that can be matched against one of the positioning notches 26, and the positioning pin 64 is sleeved with a positioning mechanism. The pin 64 maintains a spring 65 in an elastic abutment state.

Referring to FIG. 2, FIG. 4 and FIG. 5, in the general two-way meshing driving state, the toggle switch 62 of the switching assembly 60 is switched to the intermediate position, and the positioning pin 64 is used to abut the middle. The manner of positioning the notch 26 allows the switching block 63 of the switching assembly 60 to be positioned. Since the switching block 63 does not push any one of the toothed paddles 51, the pushing spring 53 is engaged. The elastic pushing action causes the rods 512 of the pair of dog blades 51 of the rod assembly 50 to remain engaged with the toothed ring faces 33 of the toothed shaft 30. At this time, whether the user operates the quick release wrench 20 to rotate clockwise or counterclockwise, the spindle 10 can be rotationally locked or loosened by the engagement of the rod assembly 50 with the toothed shaft 30. action.

Referring to FIG. 2, FIG. 4 and FIG. 6, when the clockwise driving state is selected, the toggle switch 62 of the switching assembly 60 is switched to the left-turning position, and the positioning pin 64 is elastically abutted on the left side. The positioning notch 26 allows the switching block 63 of the switching assembly 60 to push the toothed paddle 51 located on the left side to release the engagement state with the toothed shaft 30. When the quick release wrench 20 is rotated in the clockwise direction, the quick release wrench 20 can drive the spindle 10 to rotate by using the toothed paddle 51 located on the right side; when the quick release wrench 20 is rotated in the counterclockwise direction When the left toothed paddle 51 is not engaged with the toothed shaft 30, the quick release wrench 20 can be freely rotated in the counterclockwise direction, so that the quick release wrench 20 can be overlaid within a certain angle range. The mandrel 10 is driven to be locked without being disturbed or hindered by other parts, and the operation is relatively quick and convenient and labor-saving.

Referring to FIG. 2, FIG. 4 and FIG. 7, when the present invention selects the counterclockwise driving state, the toggle switch 62 of the switching assembly 60 is switched to the right-turning position, and the positioning pin 64 is elastically abutted on the right side. The positioning recess 26 allows the switching block 63 of the switching assembly 60 to push the toothed paddle 51 located on the right side to release the engagement state with the toothed shaft 30. At this time, when the quick release wrench 20 is rotated in the clockwise direction, since the right toothed paddle 51 is not engaged with the toothed shaft 30, the quick release wrench 20 can be freely rotated in the clockwise direction; When the quick release wrench 20 is rotated in the counterclockwise direction, the spindle 10 can be rotated by the toothed paddle 51 on the left side, so that the quick release wrench 20 can repeatedly drive the spindle 10 within a certain angle range. Release the action without interference or obstruction from other parts.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any person having ordinary knowledge in the art can use the present invention without departing from the technical features of the present invention. Equivalent embodiments of the novel modifications or modifications made by the novel teachings are still within the scope of the novel features.

10‧‧‧ mandrel
11‧‧‧Link end
111‧‧‧Heart shaft screw hole
12‧‧‧Threaded end
13‧‧‧ Nuts
20‧‧‧Quick release wrench
21‧‧‧ group slot
22‧‧‧ handle
23‧‧‧ mandrel hole
24‧‧‧Axis bolt hole
25‧‧‧Axis hole
26‧‧‧Positioning notch
27‧‧‧Toothed gasket
30‧‧‧Toothed shaft
31‧‧‧Link hole
32‧‧‧n slot
33‧‧‧Toothed torus
34‧‧‧Heart shaft screws
341‧‧‧ hexagon socket
342‧‧‧Fixed screw holes
35‧‧‧shims
40‧‧‧ cover
41‧‧‧Fixed holes
42‧‧‧ fixing screws
43‧‧‧ shallow groove
44‧‧‧Axis bolt hole
45‧‧‧ shaft bolt hole
50‧‧‧ rodent components
51‧‧‧Toothed picks
511‧‧‧ pivot hole
512‧‧‧ rodents
513‧‧ ‧ pinhole
52‧‧‧ shaft bolt
53‧‧‧ Push against spring
54‧‧ ‧spring pin
60‧‧‧Switching components
61‧‧‧Switching shaft
62‧‧‧Toggle switch
63‧‧‧Switching blocks
631‧‧‧Position pin hole
64‧‧‧Locating pins
65‧‧‧ Spring

1 is a perspective view of a preferred embodiment of the present invention. Figure 2 is an exploded view of the components of the preferred embodiment of the present invention. 3 is a perspective view of a toothed shaft, a rod assembly, and a shifting assembly of the preferred embodiment of the present invention. Figure 4 is a cross-sectional view of the combination of the preferred embodiment of the present invention. Figure 5 is a schematic illustration of the preferred embodiment of the present invention in which the switching assembly is switched to a bi-directional engagement drive (along the A-A cut line of Figure 4). Figure 6 is a schematic illustration of the preferred embodiment of the present invention in which the switching assembly is switched to drive in a clockwise direction. Figure 7 is a schematic illustration of the preferred embodiment of the present invention in which the switching assembly is switched to drive in a counterclockwise direction.

10‧‧‧ mandrel

13‧‧‧ Nuts

20‧‧‧Quick release wrench

22‧‧‧ handle

40‧‧‧ Cover

52‧‧‧ shaft bolt

62‧‧‧Toggle switch

Claims (15)

A bidirectional ratchet quick release device comprising: a mandrel having a long rod-like member and forming a joint end at one end; a quick release wrench having a set of slots and a handle disposed through the bottom of the slot of the set of slots a spindle hole through which the connecting end passes; a toothed rotating shaft disposed in the set of slots and fixedly coupled to the connecting end of the spindle in a non-rotatable manner, the outer peripheral surface of the toothed rotating shaft forming a tooth profile a toroidal assembly having a pair of symmetrically disposed toothed paddles and the pair of toothed paddles are disposed in the group of slots in a swingable manner, each of the toothed paddles being pushed by a pusher spring a switching ring member that is engaged with the toothed shaft; and a switching assembly that is provided with a switching shaft disposed in the group of slots, one end of the switching shaft passes through the group of slots and is coupled with a tone The button switch is provided with a switching block on the switching shaft, and the switching shaft drives the switching block to rotate, and the corresponding toothed paddle is pushed by the switching block to release the meshing state with the toothed shaft. The two-way ratchet quick release device according to claim 1, wherein the grouping groove has an opening and a cover plate covers an opening that closes the group of grooves. The two-way ratchet quick release device according to claim 2, wherein the toothed rotating shaft is provided with a connecting hole that matches a connecting end of the connecting shaft, and the connecting hole and the connecting end have a non-circular cross-sectional shape. The bidirectional ratchet quick release device according to claim 3, wherein the connecting end of the mandrel is set to a hexagonal column shape. The bidirectional ratchet quick release device according to claim 4, wherein a shaft end of the connecting end of the mandrel is provided with a spindle screw hole; and the toothed rotating shaft is provided with a nano slot at an end of the connecting hole facing outward. And a mandrel screw is coupled to the mandrel screw hole in the nanogroove. The two-way ratchet quick release device according to claim 5, wherein a hexagonal hole and a fixing screw hole are sequentially formed on the outer end of the shaft of the spindle screw at the axial center. The plate is correspondingly provided with a fixing hole, and a fixing screw is inserted through the fixing hole and the hexagonal hole to be coupled to the fixing screw hole. The two-way ratchet quick release device according to claim 6, wherein a toothed spacer is disposed between the quick release wrench and the mandrel. The two-way ratchet quick release device according to any one of claims 2 to 7, wherein a pair of shaft bolt holes are arranged at a bottom of the groove of the grouping groove, and a pair of shaft bolts are correspondingly arranged on the cover plate. a hole, the toothed paddles respectively form a pivot hole and a rod at both ends, and a pair of shaft bolts are inserted through the pair of shaft bolt holes and the pair of toothed paddles to engage the pair of shafts Bolt the screw hole. The two-way ratchet quick release device according to claim 8, wherein a spring pin is coupled to the tooth type paddle, and the pushing spring sleeves the spring pin and the two ends abut against the tooth type dial. The sheet and the inner side wall of the set of grooves. The two-way ratchet quick release device according to claim 9, wherein a positioning pin is disposed to be coupled to the switch block in a telescopic movable state, and a spring is disposed on the positioning pin. The two-way ratchet quick release device according to claim 10, wherein three positioning notches are arranged at a bottom of the groove of the grouping groove and arranged in a circular arc at a center of the switching axis, and the positioning pin is provided. Resisting against one of the positioning notches described. The two-way ratchet quick release device according to claim 11, wherein the bottom of the groove of the grouping groove is provided with a shaft insertion hole for inserting the end of the switching shaft. The two-way ratchet quick release device according to any one of claims 1 to 7, wherein a positioning pin is provided in the telescopic movable state to be coupled to the switching block, and a spring is disposed on the positioning pin. The two-way ratchet quick release device according to claim 13, wherein at the bottom of the groove of the grouping groove, three positioning notches are arranged at an arc-arranged interval centered on the switching axis, and the positioning pin is provided. Resisting against one of the positioning notches described. The two-way ratchet quick release device according to claim 14, wherein the bottom of the groove of the grouping groove is provided with a shaft insertion hole for the end of the switching shaft.