TWM493518U - Spindle component having fast-disassembling function - Google Patents

Description

Axle assembly with quick release function

The present invention relates to a shaft center assembly, and more particularly to a shaft assembly having a quick release function.

The shaft of the conventional pedal is suitable for connecting a fixing member and a pedal. The fixing member includes a jack. The shaft of the conventional pedal includes a mandrel pivoted on the pedal, and a latch disposed at the end of the mandrel. When the pedal is to be mounted to the fixing member, the locking member needs to be aligned with the insertion hole and inserted, and then the locking member is clamped by a wrench and screwed into the insertion hole. The installation method of the shaft center requires tool assistance, which is not only troublesome, but also very inconvenient to disassemble, so there is room for improvement.

Therefore, the purpose of the present invention is to provide a shaft assembly having a quick release function that is easy to install and disassemble.

Therefore, the present invention has a quick release function shaft assembly suitable for connecting a fixing member and a pedal. The fixing member includes a jack. The pedal includes a body and a through slot opposite the jack. The shaft assembly having a quick release function includes a connecting member and a quick release device.

The connecting member extends along an axis and includes a fixing portion mounted to the insertion hole, and a clamping groove extending through the fixing portion along the axis.

The quick release device is disposed in the through slot of the pedal, and includes a connecting end portion connected to the clamping groove, a pivot end opposite to the engaging end portion and mounted on the through slot, and a Extending from the pivot end and protruding from the pressing end of the pedal, pressing the pressing end can control whether the engaging end is locked in the clamping groove.

The utility model has the advantages that the connecting member is fixed on the fixing member, so that when the user is installed, the user can directly hold the pedal and directly align the connecting end portion with the clamping groove, and directly insert and install the connecting device. Moreover, it is convenient to use only one hand to grasp the pedal and press the pressing end to complete the disassembly.

2‧‧‧Fixed parts

21‧‧‧ jack

3‧‧‧Connecting parts

31‧‧‧ Fixed section

311‧‧‧ external thread

32‧‧‧ screw head segment

33‧‧‧ card slot

331‧‧‧Limited Zone

332‧‧‧Location area

4‧‧‧ pedal

41‧‧‧Ontology

411‧‧‧floor

412‧‧ ‧ baffle

42‧‧‧through slots

43‧‧‧ bearing

44‧‧‧ casing

45‧‧‧Limited casing

5‧‧‧Quick release device

51‧‧‧ bushings

510‧‧‧ guiding slope

511‧‧‧ pivot end

512‧‧‧Connected end

513‧‧ ‧ chute

514‧‧‧Perforation

515‧‧‧The first large slot section

516‧‧‧The second largest slot section

517‧‧‧Small hole slot

518‧‧‧First shoulder

519‧‧‧Second shoulder

52‧‧‧ mandrel

521‧‧‧ positioning end

522‧‧‧ Pressing the end

523‧‧‧ rim

524‧‧‧ sloped surface

53‧‧‧ button

54‧‧‧Flexible parts

55‧‧‧ balls

56‧‧‧ Nuts

L‧‧‧ axis

Other features and effects of the present invention will be apparent from the following description of the drawings. FIG. 1 is a perspective view illustrating a first embodiment of the present invention having a quick release function. Is a perspective view of the first embodiment; FIG. 3 is a perspective view showing a connecting member of the first embodiment; FIG. 4 is a cross-sectional view showing that a mandrel of the first embodiment is not pressed; 5 is a cross-sectional view showing the mandrel of the first embodiment being pressed; FIG. 6 is a perspective view showing a second embodiment of the present invention having a quick release function, and FIG. 7 is an exploded perspective view The second embodiment will be described.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to FIG. 1 and FIG. 2, the first embodiment of the present invention has a quick release function shaft assembly, which is suitable for connecting a fixing member 2 and a pedal 4. The fixing member 2 includes a socket 21. The pedal 4 is provided for the user to step on the force, and includes a body 41, a through slot 42, and two bearings 43. The through slot 42 is opposite to the insertion hole 21 and penetrates the body 41. The bearings 43 are respectively disposed at opposite ends of the through groove 42.

In the present embodiment, the crank of the bicycle is used as the fixing member 2. However, the fixing member 2 may also be a wheelchair, a crank of a pedal exerciser, or the like, and should not be limited by the disclosure of the present disclosure.

The shaft assembly having a quick release function includes a connecting member 3 and a quick release device 5.

Referring to FIG. 2, FIG. 3 and FIG. 4, the connecting member 3 extends along an axis L and includes a fixing portion 31, a screw portion 32, and a locking groove 33.

The fixing portion 31 is disposed at the insertion hole 21 of the fixing member 2 and has an external thread 311 that can be screwed into the insertion hole 21. The screw segment 32 is disposed at one end of the fixed segment 31, and a cross section of the outer periphery thereof is polygonal.

The clamping groove 33 extends through the fixing section 31 and the screw head section 32 along the axis L, and has a limiting area 331 located in the fixing section 31 and having a polygonal cross section, and a screwing section 32 is located at the screw head section 32. And a positioning area 332 that is recessed toward the outer wall surface.

In this embodiment, the cross section of the limiting area 331 has a hexagonal shape, and the positioning area 332 is an annular groove that is recessed toward the outer wall surface and surrounds the axis L. The limiting area 331 may also be other polygonal shapes such as a triangle, a quadrangle, a pentagon, a heptagon, and an octagon, and is not limited by the disclosure of the present invention.

The user can use a wrench (not shown) to clamp the screw head segment 32, and then align the fixing portion 31 with the insertion hole 21 of the fixing member 2, and the wrench is rotated to rotate the screw head segment 32. The fixing portion 31 is gradually screwed into the insertion hole 21, and then the wrench is continuously pulled to tighten the fixing portion 31, and the connecting member 3 is mounted on the fixing member 2.

The quick release device 5 is mounted in the through slot 42 of the pedal 4 and includes a sleeve 51, a spindle 52, a button 53, an elastic member 54, and two balls 55.

The sleeve 51 has a pivot end 511, a connecting end 512, a sliding slot 513, two through holes 514, and a guiding slope 510.

The pivot end 511 is pivoted in the through slot 42 and is provided for the bearings 43 such that the pedal 4 is constrained by the bearings 43 without slipping on the pivot end 511.

The engaging end portion 512 is opposite to the pivot end portion 511 and protrudes from the pedal 4 and is engaged with the locking groove 33 of the connecting member 3. The cross section of the outer periphery of the engaging end portion 512 is a polygonal shape that matches the limiting portion 331. In this embodiment, the engaging end portion 512 is a hexagonal shape matching the limiting portion 331. Therefore, the engaging end portion 512 can be firmly locked and limited by the limiting portion 331 without Rotate about the axis L.

The sliding slot 513 extends through the pivot end 511 and the engaging end 512 and has a first large hole slot 515 at the pivot end 511 and a second large slot at the engaging end 512. a segment 516, a small hole groove segment 517 connecting the first large hole groove segment 515 and the second large hole groove segment 516, a first segment separating the first large hole groove segment 515 and the small hole groove segment 517 A shoulder section 518, and a second shoulder section 516 separating the second large aperture section 517 and the small aperture section 517.

The through holes 514 are formed on opposite sides of the engaging end portion 512 and communicate with the second large hole groove segment 516.

It should be noted that the number of the through holes 514 may be only one, or more than three. However, when the number of the through holes 514 is one, the through holes 514 are formed on the side of the engaging end portion 512. When the number of the through holes 514 is three or more, the inner circumference of the sleeve 51 can be formed on the side of the engaging end portion 512, and the number thereof can be changed arbitrarily, and is not disclosed by the present disclosure. For the limit. The axis of the sleeve 51 can be collinear with the axis L of the connecting member 3.

The guiding slope 510 is formed at the end of the engaging end portion 512 and surrounds the engaging end portion 512 and is converged toward the engaging groove 33 of the connecting member 3. The guiding end 510 can guide the engaging end 512 to the limiting area 331 of the clamping groove 33, so that the engaging end 512 is conveniently positioned in the limiting area 331.

The mandrel 52 is pivoted in the sleeve 51 and reciprocally displaceable in the sleeve 51 and has a positioning end portion 521, a pressing end portion 522, a ring edge 523, and an inclined surface 524. The positioning end 521 is pivoted at the engaging end 512. The pressing end 522 is opposite to the positioning end 521, and The pivot end 511 extends out and partially protrudes from the pedal 4. The rim 523 can be restrained against the second shoulder section 519. The inclined surface 524 is formed around the outer circumference of the positioning end portion 521, and is adjacent to the through holes 514 and is converged toward the pressing end portion 522.

The button 53 is attached to the end of the pressing end 522. The elastic member 54 is mounted on the mandrel 52 and provides an elastic biasing force to keep the pressing end portion 522 away from the body 4 of the pedal 4. In this embodiment, the elastic member 54 is a spring and is sleeved on the pressing end portion 522 of the axial center and located in the first large hole groove segment 515. One end of the elastic member 54 is pushed against the button 53 and the other end is abutted against the button 53. The first shoulder section 518 of the sleeve 51.

The balls 55 are disposed on the positioning end portion 521 and can be pushed up by the inclined surface 524 to be exposed to the through holes 514 of the sleeve 51. When the button 53 is not pressed, the mandrel 52 is acted upon by the elastic biasing force of the elastic member 54, thereby moving the pressing end portion 522 away from the body 4 of the pedal 4, and the inclined surfaces 524 will be pushed up. The balls 55 move toward the perforations 514, respectively, and are exposed to the perforations 514. The ball 55 exposing the through hole 514 is caught by the positioning area 332 of the connecting member 3, and the quick release device 5 is mounted on the connecting member 3, so that the pedal 4 is connected to the fixing member 2.

Referring to FIG. 5, after the button 53 is pressed, the pressing end portion 522 is pushed and compressed by the elastic member 54. At this time, the balls 55 will slide along the inclined surfaces 524 and gradually move away from the positioning area 332 without The card is abutted on the connecting member 3, the quick release device 5 is disengaged from the connecting member 3, and the pedal 4 is separated from the fixing member 2.

When the user wants to install the pedal 4 again, it only needs to be fast. The engaging end portion 512 of the disassembling device 5 is aligned with the connecting member 3, and the engaging end portion 512 is inserted into the limiting portion 331 of the locking groove 33, and the balls 55 are disposed along the connecting member 3 at this time. The wall slides. When the balls 55 reach the positioning area 332, the elastic member 54 pushes against the button 53 to displace the mandrel 52, so that the balls 55 are exposed from the holes 514 and are engaged with the positioning area 332. At the same time, the rim 523 also abuts against the second shoulder section 519, so that the mandrel 52 is no longer displaced, and the installation is completed at this time, and the state as shown in FIG. 4 is restored.

Through the above description, the advantages of the present invention can be summarized as follows:

1. The quick release device 5 is mounted on the pedal 4, so that the user can hold the pedal 4 during installation and align the connecting end portion 512 with the locking groove 33, and directly insert the device. Moreover, it is only necessary to directly grasp the pedal 4 with one hand and press the button 53 to complete the disassembly, which is very convenient to use.

2. The limiting area 331 and the connecting end 512 are all polygonal, so that they can be positioned against each other, so that the quick release device 5 does not rotate around the axis L, and the connection is more stable.

Referring to FIG. 6 and FIG. 7, a second embodiment of the present invention has a quick release function of the axial assembly, and the structure thereof is substantially the same as that of the first embodiment. The difference is as follows: the pedal 4 includes a body 41, and a relative The groove 33 is inserted through the through groove 42 of the body 41. The body 41 has a bottom plate 411 and a baffle 412 extending upward from the front end of the bottom plate 411. Through slot 42 is formed on the bottom plate 411. The baffle 412 can be used for the user's shoes to abut, so that it is not easy to be detached when stepping on, and the force is easily applied.

The pedal 4 is replaced by two sleeves 44 (see FIG. 2) and inserted at opposite ends of the through slot 42 and sleeved on the sleeve 51 and located on the pedal. 4 and the limiter 3 rooms. The quick release device 5 further includes a nut 56 mounted to the pivot end 511. The pedal 4 is abutted against the sleeve sleeve 45 and the nut 56 without moving on the sleeve 51.

It is worth mentioning that the user can install the quick release device 5 on any type of pedal, and can be arbitrarily mounted on the fixing member 2 by the cooperation of the quick release device 5 and the connecting member 3. Displacement of the pedal 4 is extremely convenient to use.

In summary, the quick release device 5 is mounted on the pedal 4, so that the user can directly hold the pedal 4 and mount it to the connecting member 3, and only need to press the button 53 when disassembling. It is very convenient to use, so it can achieve the purpose of this new type.

However, the above description is only for the embodiments of the present invention, and the scope of the present invention cannot be limited thereto, that is, the simple equivalent changes and modifications made by the present patent application scope and the contents of the patent specification are still It is within the scope of this new patent.

2‧‧‧Fixed parts

21‧‧‧ jack

3‧‧‧Connecting parts

31‧‧‧ Fixed section

311‧‧‧ external thread

32‧‧‧ screw head segment

33‧‧‧ card slot

331‧‧‧Limited Zone

4‧‧‧ pedal

41‧‧‧Ontology

42‧‧‧through slots

43‧‧‧ bearing

5‧‧‧Quick release device

51‧‧‧ bushings

510‧‧‧ guiding slope

511‧‧‧ pivot end

512‧‧‧Connected end

513‧‧ ‧ chute

514‧‧‧Perforation

52‧‧‧ mandrel

521‧‧‧ positioning end

522‧‧‧ Pressing the end

523‧‧‧ rim

524‧‧‧ sloped surface

53‧‧‧ button

54‧‧‧Flexible parts

55‧‧‧ balls

Claims (7)

A shaft assembly having a quick release function, suitable for connecting a fixing member and a pedal, the fixing member comprising a jack, the pedal comprising a body and a through slot opposite to the jack, the quick release function The shaft assembly includes: a connecting member extending along an axis, and comprising a fixing portion mounted to the jack, and a clamping groove extending through the fixing portion along the axis; and a quick release device Provided in the through slot of the pedal, and including a connecting end portion connected to the clamping groove, a pivot end opposite to the engaging end portion and mounted at the through slot, and a pivot end The portion extends and protrudes from the pressing end of the pedal, and pressing the pressing end portion controls whether the engaging end portion is locked to the locking groove. The axial core assembly having the quick release function according to claim 1, wherein the clamping groove has a polygonal limiting section, and the transverse section of the outer peripheral edge of the engaging end is matched with the limiting area. Polygon. The axial core assembly having the quick release function according to claim 1, wherein the clamping groove has a positioning area recessed toward the outer wall surface, and the quick release device comprises a sleeve, a spindle and at least one ball, the shaft sleeve Provided in the through slot and having the engaging end portion protruding from the pedal, and at least one through hole formed on one side of the engaging end portion, the mandrel is pivoted in the sleeve and can reciprocate in the sleeve Displacement, and having the pressing end portion, a positioning end portion opposite to the pressing end portion, and an inclined surface formed at the positioning end portion, the ball is disposed at the positioning end portion, and can be pushed by the inclined surface And the through hole exposed in the sleeve is stuck to the positioning area. A pivot assembly having a quick release function according to claim 3, wherein the inclined surface is adjacent to the through hole and is converged toward the pressing end. The quick-release function of the shaft assembly as claimed in claim 3, wherein the quick release device further comprises an elastic member mounted on the spindle and providing an elastic biasing force to constantly bias the pressing end portion Stay away from the pedal. The axial assembly having a quick release function according to claim 5, wherein the sleeve further has a sliding slot extending through the pivot end and the engaging end, the sliding slot having a pivot end a first large slot section, a small slot section, and a first shoulder section of the first large slot section and the small slot section, the quick release device further comprising a mounting end a button at the end of the portion, the elastic member adopts a spring, and is sleeved on the pressing end portion of the axial center and located in the first large hole groove segment, one end of which abuts against the button, and the other end abuts against the first shoulder segment . A shaft assembly having a quick release function according to claim 3, wherein the sleeve further has a guide bevel formed at an end of the engaging end, the guide bevel surrounding the engaging end and facing the connector The trough is closed.