TWM592414U - Pedal structure - Google Patents

Abstract

A pedal structure includes a pedal body, a first bearing, a stopper, a mandrel and a locking member. The pedal body has an accommodating space, and one end of the accommodating space is provided with a lock setting hole, the lock setting A first step surface is provided around the hole, the first bearing is accommodated in the accommodating space and presses against the first step surface, the stopper is accommodated in the accommodating space and opposes the first bearing And the inner wall of the accommodating space is fixed to each other, the mandrel passes through the stopper and the first bearing in sequence, the locking member penetrates from the locking hole and locks to the end of the mandrel to The mandrel is positioned to the first bearing.

Description

Pedal structure

This creation is about a pedal structure.

Generally speaking, the pedal structure includes a pedal body and a mandrel for connecting the crank. The mandrel is rotatably installed on the pedal body. The pedal body usually forms a tubular accommodating space for the mandrel to pass through. The mandrel can rotate relative to the pedal body, bearings are usually interposed between the mandrel and the pedal body, and the opening of the accommodating space is closed with a cover.

The typical connection structure between the pedal and the mandrel is shown in patent TW I646006. The mandrel and the bearing are first installed in an inner sleeve, and then the inner sleeve is inserted into the pedal body. This is because the inner sleeve is relatively small It is easy to locate the bearing and other components, and if only one end of the accommodating space has an opening and the tool cannot pass through to lock the mandrel screw, you must first position the mandrel in the inner sleeve; however, this structure must have The inner sleeve is heavier and thicker.

In addition, even if there are openings at both ends of the accommodating space for screws or nuts to penetrate into the mandrel screw locking position, in order to fix the screw lock, the surface where the opening is located must be perpendicular to the mandrel to be properly fixed, which limits the pedal The appearance design of the body makes the pedal only have a rectangular appearance.

The main purpose of this creation is to provide a pedal structure that can reduce the number of components, achieve light weight, thin and light, and more beautiful.

In order to achieve the above object, the present invention provides a pedal structure including a pedal body, at least a first bearing, a stopper, a mandrel and a locking member.

The pedal body penetrates an accommodating space along a lateral direction, and two ends of the accommodating space along the lateral direction are respectively defined as a first end and a second end. The accommodating space is opened at the end of the first end There is a locking hole, and the accommodating space has a first step surface near the first end. The first step surface is ring-shaped and faces the second end to surround the locking hole. The inner wall further has a coupling portion, and the first step surface is located between the coupling portion and the locking hole.

The outer diameter of the at least one first bearing is larger than the inner diameter of the locking hole, the inner diameter of the at least one first bearing is smaller than the inner diameter of the locking hole, the at least one first bearing is defined by the second of the accommodating space The end is placed in the accommodating space and presses against the first step surface.

The stopper is disposed in the accommodating space and abuts the end of the at least one first bearing toward the second end, and the stopper and the joint are combined and fixed to each other, thereby preventing the at least one first bearing from The second end of the accommodating space comes out.

The two ends of the mandrel along its axial direction are a third end and a fourth end respectively. The mandrel has a bearing sleeve section near the third end. The mandrel has a third end from the accommodating portion The second end of the space penetrates into the accommodating space and penetrates the at least one first bearing with its bearing sleeve section, the third end of the mandrel has a locking portion, and the fourth end of the mandrel For connection to a crank.

The locking member penetrates into the locking hole and connects with the locking portion of the mandrel to forcibly position the mandrel toward the first end.

The following only uses examples to illustrate the possible implementation of this creation, but it is not intended to limit the scope of this creation to be protected, which will be described first.

Please refer to FIGS. 1 to 4, the author provides a pedal structure including a pedal body 10, at least one first bearing 20 (in this embodiment, two first bearings 20 are respectively ball bearings), and a stopper Piece 30, a mandrel 40 and a lock 50.

The pedal body 10 is provided with an accommodating space 11 in a lateral direction. The two ends of the accommodating space 11 in the lateral direction are defined as a first end and a second end, respectively. The accommodating space 11 is located in the first A locking hole 111 is opened at the end, and the accommodating space 11 has a first step surface 112 near the first end. The first step surface 112 is ring-shaped and faces the second end to surround the lock A hole 111 is provided. The inner wall of the accommodating space 11 further has a coupling portion 113. The first step surface 112 is located between the coupling portion 113 and the locking hole 111.

The outer diameter of the at least one first bearing 20 is greater than the inner diameter of the locking hole 111, the inner diameter of the at least one first bearing 20 is smaller than the inner diameter of the locking hole 111, the at least one first bearing 20 is defined by the volume The second end of the housing space 11 is inserted into the housing space 11 and abuts against the first step surface 112.

The stopper 30 is disposed in the accommodating space 11 and abuts the end of the at least one first bearing 20 toward the second end. The stopper 30 and the coupling portion 113 are combined and fixed to each other, thereby preventing the at least one A first bearing 20 protrudes from the second end of the accommodating space 11; in this embodiment, the coupling portion 113 is an internally threaded section, the stopper 30 is ring-shaped and its outer ring wall has external threads The coupling portion 113 is screwed to each other; however, in other possible embodiments, the coupling portion may have a tapered inner diameter, and the stopper may be fixed with a tight fit, and is not limited to the above-mentioned means. In addition, the inner ring wall of the stopper 30 has a polygonal hole shape, whereby the stopper 30 can be screwed to the coupling portion 113 with a sub-tool or the like.

Two ends of the mandrel 40 along the axial direction are a third end 41 and a fourth end 42, respectively. The mandrel 40 has a bearing sleeve section 43 near the third end 41, and the bearing sleeve section 43 The end close to the fourth end 42 has an abutment step 44 facing the third end 41. The mandrel 40 penetrates into the accommodating space 11 from the second end of the accommodating space 11 with the third end 41 thereof The bearing sleeve section 43 penetrates into the at least one first bearing 20, and the abutment step 44 abuts the end of the at least one first bearing 20 facing the second end, the third of the mandrel 40 The end of the end 41 has a locking portion 45, and the fourth end 42 of the mandrel 40 is connected to a crank; wherein the minimum inner diameter of the stopper 30 is greater than the position of the mandrel 40 and the stopper 30 The outer diameter at the place allows a gap between the stopper 30 and the mandrel 40.

The locking member 50 penetrates into the locking hole 111 and is connected to the locking portion 45 of the mandrel 40. The locking member 50 has a head 51 with a larger outer diameter, and the head 51 abuts the at least one The first bearing 20 approaches one end of the first end and urges the mandrel 40 toward the first end.

Preferably, the end of the locking hole 111 farther away from the second end has a plug hole 1111 with a smaller inner diameter (more preferably, the inner diameter of the plug hole 1111 is smaller than the outer diameter of the head 51 of the locking member 50 ), the plug hole 1111 is used for a tool to penetrate into the locking hole 111 to operate the locking member 50, and the plug hole 1111 is plugged and closed by a plug cover 80, and the locking portion 45 is an axially extending screw hole The locking member 50 is a stud to lock the locking portion 45 with each other; in detail, the locking member 50 can be first sleeved in the first bearing 20 and one of the same from the accommodating space 11 The second end is inserted so that the head 51 of the locking member 50 passes through the locking hole 111, and after the setting of the stopper 30 and the mandrel 40 is completed, the tool is inserted into the lock through the plug hole 1111 The locking member 50 is rotated in the hole 111 to lock the mandrel 40; in this embodiment, the outer contour of the pedal body 10 has a concave arc side 12 facing obliquely downward, and the plug hole 1111 is formed in the The concave arc side 12 makes the plug hole 1111 difficult to visually see and concealed.

In this embodiment, it further includes at least one second bearing 60 (in this embodiment, two second bearings 60 are respectively ball bearings) and an annular rear plug 70, and the accommodating space 11 is close to the The second end has a second step surface 114, the second step surface 114 faces the second end, the at least one second bearing 60 is sleeved outside the mandrel 40 and accommodated in the accommodating space 11 Pressing against the second step surface 114, the rear plug 70 is sleeved outside the mandrel 40 to press against the end of the at least one second bearing 60 near the second end and the inner wall of the accommodating space 11 It is fixed to prevent the at least one second bearing 60 from coming out of the second end of the accommodating space 11. Preferably, the outer wall of the mandrel 40 is provided with a circumferentially protruding ring rib 46 for abutting the end of the rear plug member 70 close to the second end to prevent the rear plug member 70 from The second end of the accommodating space 11 comes out. In addition, an O-ring 71 is sleeved on the outer wall of the rear plug 70 to ensure that the rear plug 70 tightly seals the accommodating space 11.

During actual assembly, the locking member 50 is first sleeved in the first bearing 20 and then inserted into the receiving space 11 from the second end of the receiving space 11 together, and then the stopper 30 is removed from the receiving space The first end of the space 11 is inserted into the accommodating space 11 and the stopper 30 is screwed to the coupling portion 113 with a screwdriver, and then the second bearing 60 and the rear plug 70 are sleeved on the mandrel 40 Put into the accommodating space 11 together, and rotate the locking member 50 from the plug hole 1111 with a tool, so that the mandrel 40 is pressed slightly towards the first end, and the ring rib 46 of the mandrel 40 is pressed against the rear plug 70, the assembly is completed.

With the above structure, since the stopper can be directly combined with the pedal body, the bearings and other components can be directly placed in the accommodating space and positioned and assembled, without the need of an inner sleeve structure, to achieve the purpose of light weight and thinning. The locking member is inserted into the second end of the accommodating space and then screwed from the first end, so that the locking firmware will not be exposed, and then the plug cover and the rear plug are used to close the two ends of the accommodating space to avoid dust or moisture It is important to enter, because the locking member is built in, the outer contour of the pedal body can be a non-vertical plane (such as a curved surface or a sloped surface), which increases the design flexibility of the appearance.

10: pedal body 11: accommodating space 111: Lock hole 1111: Plug hole 112: first order surface 113: Joint 114: second order surface 12: concave arc side 20: First bearing 30: stopper 40: mandrel 41: Third end 42: Fourth end 43: Bearing sleeve section 44: abutment 45: Locking part 46: Ring rib 50: Lock firmware 51: head 60: second bearing 70: Rear plug 71: O-ring 80: plug cover

Figure 1 is a perspective view of this creation. Figure 2 is a three-dimensional exploded view of this creation. Figure 3 is a sectional view of the pedal body of this creation. Figure 4 is a cross-sectional view of this creation.

10: pedal body

1111: Plug hole

12: concave arc side

20: First bearing

30: stopper

40: mandrel

41: Third end

42: Fourth end

43: Bearing sleeve section

44: abutment

45: Lock hole

46: Ring rib

50: Lock firmware

51: head

60: second bearing

70: Rear plug

71: O-ring

80: plug cover

Claims (10)

A pedal structure, including: A pedal body is provided with an accommodating space along a lateral direction, and two ends of the accommodating space along the lateral direction are respectively defined as a first end and a second end, and the accommodating space is at an end of the first end A locking hole is opened, and the accommodating space has a first step surface near the first end, the first step surface is ring-shaped and faces the second end to surround the locking hole, the accommodating space The inner wall further has a joint part, and the first step surface is located between the joint part and the locking hole; At least one first bearing, the outer diameter of the at least one first bearing is greater than the inner diameter of the locking hole, the inner diameter of the at least one first bearing is smaller than the inner diameter of the locking hole, the at least one first bearing is formed by the The second end of the accommodating space is placed in the accommodating space and pressed against the first step surface; A stopper is provided in the accommodating space and abuts the end of the at least one first bearing toward the second end, and the stopper and the joint are combined and fixed with each other to prevent the at least one first bearing Escape from the second end of the containing space; A mandrel, the two ends along the axial direction are a third end and a fourth end respectively, the mandrel has a bearing sleeve section near the third end, the mandrel with its third end from the accommodating The second end of the space penetrates into the accommodating space and penetrates the at least one first bearing with its bearing sleeve section, the third end of the mandrel has a locking portion, and the fourth end of the mandrel For connection to a crank; A locking member penetrates into the locking hole and connects with the locking portion of the mandrel to forcibly position the mandrel toward the first end. The pedal structure according to claim 1, wherein an end of the bearing sleeve section near the fourth end has an abutment step facing the third end, and the abutment step abuts the at least one first bearing At one end of the second end, the locking member has a head with a larger outer diameter, the head abuts one end of the at least one first bearing close to the first end and urges the mandrel toward the first end . The pedal structure according to claim 2, further comprising at least a second bearing and an annular rear plug, the accommodating space has a second stepped surface near the second end, and the second stepped surface faces the At the second end, the at least one second bearing sleeve is disposed outside the mandrel and is accommodated in the accommodating space and presses against the second step surface, and the rear plug is sleeved outside the mandrel and presses against An end of the at least one second bearing close to the second end is fixed to the inner wall of the accommodating space to prevent the at least one second bearing from coming out of the second end of the accommodating space. The pedal structure as claimed in claim 3, wherein the outer wall of the mandrel is provided with a circumferentially protruding ring rib, the ring rib is provided to abut against the end of the rear plug member close to the second end to prevent the rear plug member Protruding from the second end of the accommodating space. The pedal structure according to claim 3, wherein the rear plug member is provided with an O-ring on the outer ring wall sleeve. The pedal structure according to claim 1, wherein the joint portion is an internally threaded section, the stopper is ring-shaped and its outer ring wall has external threads to be screwed with the joint portion. The pedal structure according to claim 6, wherein the inner ring wall of the stopper is in the shape of a polygonal hole. The pedal structure according to claim 1, wherein the lock hole has a plug hole with a smaller inner diameter at an end farther from the second end, and the plug hole is used for a tool to penetrate the lock hole to operate the lock fastener, And the plug hole is plugged and closed by a plug cover. The pedal structure according to claim 7, wherein the locking portion is an axially extending screw hole, and the locking member is a stud to screw with the locking portion. According to the pedal structure of claim 9, an end of the bearing sleeve section near the fourth end has an abutment step facing the third end, the abutment step against the at least one first bearing facing the At one end of the second end, the locking member has a head with a larger outer diameter, the head against the end of the at least one first bearing close to the first end will force the mandrel towards the first end The pedal structure further includes at least a second bearing and a ring-shaped rear plug, the accommodating space has a second step surface near the second end, the second step surface facing the second end, the at least A second bearing sleeve is arranged outside the mandrel and accommodated in the accommodating space and pressed against the second step surface, the rear plug is sleeved outside the mandrel and pressed against the at least one second An end of the bearing near the second end is fixed to the inner wall of the accommodating space to prevent the at least one second bearing from coming out of the second end of the accommodating space; wherein the outer wall of the mandrel is provided with a circumferentially protruding ring Ribs, the ring ribs are provided to bear against one end of the rear plug member close to the second end, so as to prevent the rear plug member from coming out of the second end of the accommodating space; O-ring; the number of the at least one first bearing is two, the number of the at least one second bearing is also two; the at least one first bearing and the at least one second bearing are respectively ball bearings; the stopper The minimum inner diameter is greater than the outer diameter at the position where the mandrel corresponds to the stopper; the outer contour of the pedal body has a concave arc side facing obliquely downward, and the plug hole is formed on the concave arc side.

Images