CN214512495U

CN214512495U - Pedal shaft for sports equipment

Info

Publication number: CN214512495U
Application number: CN202120863606.3U
Authority: CN
Inventors: 刘国梁
Original assignee: Xiamen Yongchengxin Mechanical Products Co ltd
Current assignee: Xiamen Yongchengxin Mechanical Products Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-10-29
Anticipated expiration: 2031-04-25

Abstract

The application discloses a pedal shaft for sports equipment, relates to the technical field of sports equipment, and solves the problem that lubricating oil is not convenient to coat on the outer wall of the pedal shaft; one of the mounting parts is provided with a mounting groove along the axial direction, the bottom of the mounting groove is provided with an oil filling hole, and the outer wall of the axis is provided with an oil outlet communicated with the oil filling hole; and an oil injection assembly for injecting lubricating oil towards the oil injection hole is arranged in the installation groove. This application can be convenient for paint lubricating oil to pedal axle outer wall.

Description

Pedal shaft for sports equipment

Technical Field

The application relates to the technical field of sports equipment, in particular to a pedal shaft for the sports equipment.

Background

Among sports apparatuses, there are many apparatuses for exercising leg muscles, such as a conventional exercise bike, which exercise leg muscles by performing repeated cycling motions of both legs indoors. The exercise bicycle is provided with a pedal shaft.

The utility model discloses a chinese utility model announces a body-building apparatus is with pedal crank axle center structural improvement that No. is disclosed for CN201370922, the both ends including axle center, axle center are for supplying pedal crank cover to establish the square installation department of installation, and axle center mid portion interval is equipped with the bearing installation department that supplies the bearing housing to establish the installation.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: after the pedal shaft center is used for a period of time, after the lubricating oil on the outer wall of the middle part of the shaft center is dried, the pedal shaft center needs to be disassembled, and the lubricating oil is coated again to keep the normal work of the fitness equipment; the process of smearing lubricating oil on the outer wall of the shaft center is complicated.

SUMMERY OF THE UTILITY MODEL

In order to facilitate smearing lubricating oil on the outer wall of the pedal shaft, the application provides the pedal shaft for sports equipment.

The application provides a pedal axle for sport equipment adopts following technical scheme:

a pedal shaft for sports equipment comprises an axis and mounting parts at two ends of the axis; one of the mounting parts is provided with a mounting groove along the axial direction, the bottom of the mounting groove is provided with an oil filling hole, and the outer wall of the axis is provided with an oil outlet communicated with the oil filling hole; and an oil injection assembly for injecting lubricating oil towards the oil injection hole is arranged in the installation groove.

By adopting the technical scheme, the lubricating oil is injected towards the oil injection hole through the oil injection assembly, and the lubricating oil flows out of the oil outlet hole; the outer wall of the shaft center is a hole for mounting the shaft center, and the shaft center is rotated, so that lubricating oil can be smeared on the outer wall of the shaft center for lubrication without being detached, and the lubricating process is convenient and simple.

Optionally, the oil injection assembly comprises an oil injection cylinder, a plunger and a driving member for driving the plunger to move axially along the oil injection cylinder; the oil filling cylinder is arranged at the bottom of the mounting groove, and the end part of the oil filling cylinder is communicated with the oil filling hole; the plunger is slidably mounted in the oil filling cylinder.

Through adopting above-mentioned technical scheme, driving piece promotes the plunger and moves towards the mounting groove tank bottom, can inject the lubricating oil in the oiling barrel to the oiling hole in to dash out the oilhole and flow.

Optionally, the driving member includes a rotating cover, the rotating cover is connected to the inner wall of the mounting groove in a threaded manner, and the rotating cover is provided with a pressure relief hole; the utility model discloses a plunger pump, including the lid of oiling, rotate the lid and rotate the lid, rotate the lid and seted up threaded hole towards the one end of plunger, the tip threaded connection of plunger is in threaded hole, oiling section of thick bamboo demountable installation is in the mounting groove, be provided with the limit structure who restricts the plunger and break away from in oiling section of thick bamboo completely between oiling section of thick bamboo and the plunger.

By adopting the technical scheme, the rotating cover is driven to rotate, so that the plunger can axially move along the oil injection cylinder; through limit structure's setting, rotate the cover and move the plunger towards the direction motion of keeping away from the mounting groove, can take out the mounting groove with annotating a section of thick bamboo together, be convenient for to the interior lubricating oil that adds of annotating a section of thick bamboo.

Optionally, limit structure includes spacing ring and butt joint piece, the spacing ring sets up on the oiling barrel keeps away from the one end nozzle inner wall of mounting groove tank bottom, the butt joint piece sets up on the plunger is close to the one end outer wall of mounting groove tank bottom.

Through adopting above-mentioned technical scheme, through the butt of spacing ring with the butt piece, can make the plunger can not break away from in annotating a section of thick bamboo completely.

Optionally, the abutment block is pivotally connected to the plunger end.

Through adopting above-mentioned technical scheme, the butt piece rotates and installs in the plunger tip for when rotating the lid and rotating, drive the plunger and rotate, thereby be convenient for promote the butt piece and follow axial motion.

Optionally, a sealing ring is arranged on the circumferential outer wall of the abutting block.

Through adopting above-mentioned technical scheme, be provided with the sealing ring on the butt piece outer wall, strengthen the leakproofness of butt piece and oiling section of thick bamboo inner wall, when the butt piece was followed axial motion, can inject lubricating oil to the oiling hole smoothly.

Optionally, an orifice at one end, close to the mounting groove, of the oil filling hole is flared, and an oil filling pipe inserted into the oil filling hole is arranged at one end of the oil filling cylinder.

By adopting the technical scheme, one end of the oil filling hole is in a flaring shape, so that the butt joint of the oil filling pipe is conveniently inserted into the oil filling hole.

Optionally, a sealing gasket is arranged on the outer wall of the end part of the oil filling cylinder close to the bottom of the mounting groove.

Through adopting above-mentioned technical scheme, through the setting of sealed pad for lubricating oil is difficult for the anti-infiltration to between oiling barrel outer wall and the mounting groove inner wall.

Optionally, the outer wall of the shaft center is provided with a long groove along the axial direction, and the long groove is communicated with the oil outlet.

Through adopting above-mentioned technical scheme, lubricating oil gets into the oil outlet from the oil filler point, flows into the rectangular groove in, when rotating the axle center, can scribble the lubrication on the axle center outer wall more evenly.

In summary, the present application includes at least one of the following benefits:

1. lubricating oil is injected towards the oil injection hole through the oil injection assembly, and the lubricating oil flows out of the oil outlet hole; the axis is rotated, so that the lubricating oil can be smeared on the outer wall of the axis without being disassembled, and the lubricating process is convenient and simple;

2. the abutting block is rotatably arranged at the end part of the plunger, so that the plunger is driven to rotate when the rotating cover rotates, and the abutting block is convenient to push to move along the axial direction;

3. the arrangement of the long grooves enables lubricating oil to be more uniformly coated on the outer wall of the shaft center.

Drawings

FIG. 1 is an overall sectional view of the present embodiment;

fig. 2 is a partial sectional view of the present embodiment.

Description of reference numerals: 1. an axis; 11. an oil filler hole; 12. an oil outlet hole; 13. a long groove; 2. an installation part; 3. mounting grooves; 4. an oiling component; 5. an oil filling cylinder; 51. an oil filling pipe; 52. a gasket; 6. a plunger; 7. rotating the cover; 71. a threaded hole; 72. an inner hexagonal groove; 73. a pressure relief vent; 8. a limiting structure; 81. a butting block; 811. a seal ring; 812. a bearing; 82. a limiting ring; 821. and a through hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a pedal shaft for sports equipment. Referring to fig. 1, the pedal shaft includes a shaft center 1 and mounting portions 2 at both ends of the shaft center 1. The installation part 2 on one side is provided with an installation groove 3 along the axial direction of the axis 1, the tank bottom of the installation groove 3 is provided with an oil filling hole 11, and the outer wall of the middle part of the axis 1 is provided with an oil outlet 12 communicated with the oil filling hole 11. An oil injection component 4 is arranged in the mounting groove 3.

Referring to fig. 1 and 2, the oil injection assembly 4 includes an oil cylinder 5, a plunger 6, and a driver. The oil filling cylinder 5 is slidably arranged in the mounting groove 3. An oil filling pipe 51 is integrally connected to an end portion of the oil filling cylinder 5. The end of the oil filler hole 11 close to the mounting groove 3 is provided with a flaring structure so as to facilitate the insertion of the oil filler pipe 51 into the oil filler hole 11. During oil injection, in order to reduce the reverse seepage of lubricating oil between the outer wall of the oil injection cylinder 5 and the wall of the mounting groove 3, the outer wall of one end of the oil injection cylinder 5, which is close to the bottom of the mounting groove 3, is fixedly bonded with a sealing gasket 52 made of rubber.

Referring to fig. 2, the plunger 6 is slidably mounted in the barrel 5 and the drive member is a rotatable cap 7. The outer wall of the rotating cover 7 is connected with the inner wall of the mounting groove 3 in a threaded fit mode, and the rotating cover 7 is provided with a pressure relief hole 73 so that the rotating cover 7 can be driven to rotate. Adopt the external screw thread structure on the outer wall of rotation lid 7, the inner wall of mounting groove 3 adopts the internal thread structure to make oiling barrel 5 can take out from the 3 tank bottoms of mounting groove smoothly.

Referring to fig. 2, a screw hole 71 is opened at one side of the rotary cover 7, and an end of the plunger 6 is screwed into the screw hole 71. An inner hexagonal groove 72 is formed in the side wall of the rotating cover 7 away from the bottom of the mounting groove 3, so that a hexagonal wrench can drive the rotating cover 7 to rotate.

Referring to fig. 2, in order to facilitate removal of the filler cylinder 5 from the mounting groove 3, lubricant is added to the filler cylinder 5. A limiting structure 8 is arranged between the plunger 6 and the oil filling cylinder 5, and the limiting structure 8 comprises a limiting ring 82 and an abutting block 81. The spacing ring 82 is welded on the inner wall of a cylinder opening at one end of the oil injection cylinder 5 far away from the installation groove 3, and the abutting block 81 is rotatably connected on the outer wall of one end of the plunger 6 close to the installation groove 3 through a bearing 812. The plunger 6 is not completely separated from the oil filling cylinder 5 by the matching abutment of the limit ring 82 and the abutment block 81. And, the abutting block 81 is rotatably connected to the plunger 6, so that the abutting block 81 is pushed to move axially along the oil cylinder 5 during the rotation of the rotating cover 7. The outer wall of the abutting block 81 is embedded with a sealing ring 811 made of rubber material along the circumferential direction, so that the lubricating oil can be stably stored in the injection cavity of the oil injection cylinder 5. When taking out oiling barrel 5, drive rotation lid 7 moves towards the direction of keeping away from mounting groove 3, can drive plunger 6 and oiling barrel 5 and shift out mounting groove 3.

Referring to fig. 2, in the present embodiment, the outer wall of the plunger 6 is attached to the inner wall of the limiting ring 82, so that a through hole 821 is formed in the limiting ring 82 along the axial direction of the shaft center, so that the air between the abutting block 81 and the rotating cover 7 is communicated with the outside, and the rotating cover 7 is driven to rotate.

Referring to fig. 2, the outer wall of the shaft core 1 is further sufficiently coated with a lubricant. The outer wall of the axle center 1 is provided with a long groove 13 along the length direction, and the long groove 13 is communicated with the oil outlet 12.

The implementation principle of the pedal shaft for sports equipment in the embodiment of the application is as follows:

when the axis 1 needs to be lubricated, the rotating cover 7 is driven to move towards the bottom of the mounting groove 3, the plunger 6 is pushed to move towards the bottom of the mounting groove 3, and the lubricating oil in the oil filling cylinder 5 can be injected into the oil filling hole 11. Lubricating oil flows into the oil outlet 12 from the oil inlet 11 and enters the elongated groove 13, and the lubricating oil can be fully coated on the outer wall and the inner wall of the hole of the axle center 1 when the axle center 1 rotates because the outer wall of the axle center 1 is the hole wall for the axle center 1 to rotate.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A pedal axle for sports equipment, its characterized in that: comprises an axis (1) and mounting parts (2) at two ends of the axis (1); one of the mounting parts (2) is provided with a mounting groove (3) along the axial direction, the bottom of the mounting groove (3) is provided with an oil filling hole (11), and the outer wall of the shaft center (1) is provided with an oil outlet (12) communicated with the oil filling hole (11); and an oil injection assembly (4) for injecting lubricating oil towards the oil injection hole (11) is arranged in the mounting groove (3).

2. A footrest for exercise apparatus in accordance with claim 1, wherein: the oil injection assembly (4) comprises an oil injection barrel (5), a plunger (6) and a driving piece for driving the plunger (6) to move axially along the oil injection barrel (5); the oil filling cylinder (5) is arranged at the bottom of the mounting groove (3), and the end part of the oil filling cylinder (5) is communicated with the oil filling hole (11); the plunger (6) is slidably mounted in the oil injection cylinder (5).

3. A footrest for exercise apparatus in accordance with claim 2, wherein: the driving piece comprises a rotating cover (7), the rotating cover (7) is in threaded connection with the inner wall of the mounting groove (3), and a pressure relief hole (73) is formed in the rotating cover (7); rotate lid (7) and seted up threaded hole (71) towards the one end of plunger (6), the tip threaded connection of plunger (6) is in threaded hole (71), annotate a section of thick bamboo (5) demountable installation in mounting groove (3), be provided with between annotating a section of thick bamboo (5) and plunger (6) and restrict plunger (6) and break away from in the limit structure (8) of annotating a section of thick bamboo (5) completely.

4. A footrest for exercise apparatus in accordance with claim 3, wherein: limiting structure (8) include spacing ring (82) and butt piece (81), spacing ring (82) set up on oiling section of thick bamboo (5) keep away from the one end nozzle inner wall of mounting groove (3) tank bottom, butt piece (81) set up on plunger (6) are close to the one end outer wall of mounting groove (3) tank bottom.

5. A footrest for exercise apparatus in accordance with claim 4, wherein: the abutting block (81) is rotatably connected to the end of the plunger (6).

6. A footrest for exercise apparatus in accordance with claim 5, wherein: and a sealing ring (811) is arranged on the circumferential outer wall of the abutting block (81).

7. A footrest for exercise apparatus in accordance with claim 2, wherein: the one end drill way that oil filler point (11) are close to mounting groove (3) is the flaring form, the one end of oiling section of thick bamboo (5) is provided with oiling pipe (51) of inserting oil filler point (11).

8. A footrest for exercise apparatus in accordance with claim 2, wherein: and a sealing gasket (52) is arranged on the outer wall of the end part of the oil injection cylinder (5) close to the bottom of the installation groove (3).

9. A footrest for exercise apparatus in accordance with claim 1, wherein: the outer wall of the shaft center (1) is provided with a long groove (13) along the axial direction, and the long groove (13) is communicated with the oil outlet (12).