CN217969801U

CN217969801U - Anti-loosening pedal capable of being combined with crank

Info

Publication number: CN217969801U
Application number: CN202222219261.5U
Authority: CN
Inventors: 徐利勇; 叶凯望; 余济平; 金琳尉
Original assignee: Ningbo Julong Machinery Co ltd
Current assignee: Ningbo Julong Machinery Co ltd
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2022-12-06
Anticipated expiration: 2032-08-23

Abstract

The utility model discloses a looseness-proof pedal which can be combined with a crank, comprising a pedal body and a mandrel component which is rotatably supported and arranged in a shaft hole of the pedal body; the mandrel component is formed by assembling a mandrel, an inner steel ball, a large-hole steel bowl, a small-hole steel bowl, an outer steel ball, a ball plug, a gasket and a lock cap; the outer peripheral surface of the inner side end of the mandrel is provided with a connecting thread for being spirally assembled with the crank, the inner side end of the mandrel is extended and additionally provided with a locking section, the outer peripheral surface of the locking section is provided with a locking thread, and the thread direction of the locking thread is opposite to that of the connecting thread; and a locking nut used for being connected with the crank in a jacking way to realize bidirectional locking is spirally arranged on the locking section. The utility model discloses novel, the low price of style to safe and reliable can let the consumer obtain better consumption and experience.

Description

Anti-loosening pedal capable of being combined with crank

Technical Field

The utility model relates to the technical field of exercise bicycle parts, in particular to a locking pedal which can be combined with a crank.

Background

As is well known, the pedal of an exercise bicycle is the heaviest component of the exercise bicycle on which a rider pedals, and is generally screwed to the crank of the exercise bicycle through the spindle of the pedal. After the traditional exercise bicycle is ridden for a long time, the phenomenon that the threads are loosened and fall off can occur when the mandrel and the crank are ridden. Therefore, the pedal of the exercise bicycle with strong locking capability is urgently needed in the market.

Disclosure of Invention

The utility model aims to solve the technical problem to the current situation of above-mentioned prior art, and provide novel structure, safety and stability, can prevent to ride the locking pedal that the one that drops can combine with the crank.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

a locking pedal capable of being combined with a crank comprises a pedal body and a mandrel assembly which is rotatably supported and arranged in a shaft hole of the pedal body in a penetrating manner; the mandrel component is formed by assembling a mandrel, an inner steel ball, a large-hole steel bowl, a small-hole steel bowl, an outer steel ball, a ball plug and a lock cap; the outer peripheral surface of the inner side end of the mandrel is processed with a connecting thread for being assembled with the crank in a spiral mode, the inner side end of the mandrel is extended and additionally provided with a locking section, the outer peripheral surface of the locking section is processed with a locking thread, and the thread direction of the locking thread is opposite to the thread direction of the connecting thread; and a locking nut used for being connected with the crank in a jacking way to realize bidirectional locking is spirally arranged on the locking section.

In order to optimize the technical scheme, the specific measures adopted further comprise:

the inner steel ball, the large-hole steel bowl, the small-hole steel bowl, the outer steel ball and the ball plug are all sleeved on the mandrel, the lock cap is spirally arranged at the outer side end of the mandrel, a gasket with teeth is arranged between the ball plug and the lock cap in a padding mode, and a rear cover used for preventing dust from entering is clamped at the outer end of the shaft hole of the pedal body.

The pedal body is fixedly provided with a pedal outer frame through four flat machine screws.

The tread surface of the outer pedal frame is provided with wavy anti-skid teeth for anti-skid.

One side surface of the pedal outer frame is provided with a foot sleeve.

The foot sleeve is fixedly arranged on the outer pedal frame through a large flat-head screw assembly.

Compared with the prior art, the utility model discloses add the locking section at the medial extremity of dabber, processing has locking screw on the outer peripheral face of locking section to locking screw's profile of tooth orientation (precession direction promptly) and medial extremity outer peripheral face on the connecting thread's of processing profile of tooth opposite direction, locking section set lock nut. Because the precession direction of lock nut is opposite with the precession direction of crank, when the crank of locking has the not hard up trend, the friction action of crank can make lock nut revolve tighter again, consequently can play powerful locking effect, realizes pedal when riding and combines to play the strong anti-drop effect of two-way locking with the crank.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is an exploded view of the present invention;

FIG. 3 is a schematic view of the assembly of the pedal body and spindle assembly of the present invention;

fig. 4 is a schematic structural view of the mandrel of the present invention;

fig. 5 is a usage state diagram of the present invention.

Detailed Description

Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Fig. 1 to 5 are structural schematic diagrams of the present invention.

Wherein the reference numerals are: the pedal comprises a pedal body 1, a mandrel component 2, a mandrel 21, a connecting thread 21a, a locking thread 21b, an inner steel ball 22, a large-hole steel bowl 23, a small-hole steel bowl 24, an outer steel ball 25, a ball plug 26, a lock cap 27, a threaded gasket 28, a crank 3, a locking nut 4, a rear cover 5, a flat machine screw 6, a pedal outer frame 7, a wavy anti-skidding tooth 71, a foot sleeve 8 and a large flat-head screw component 9.

In the prior art, connecting threads are machined on a mandrel of a pedal of the exercise bicycle so as to be spirally connected to a crank of the exercise bicycle by utilizing the connecting threads. After the exercise bicycle is ridden for a long time, the problem of looseness is easily caused at the threaded connection part of the pedal and the crank, so that the pedal is easy to fall off. The utility model discloses a can be with locking pedal of crank combination, this pedal has more powerful locking force, can prevent that pedal from droing from the bent axle. Can combine to play the pedal of two-way locking anti-drop effect with the crank and wear to establish dabber subassembly 2 in the shaft hole of pedal body 1 including pedal body 1 and rotation support. After the spindle assembly 2 is rotatably supported and assembled with the pedal body 1, the pedal body 1 can freely rotate relative to the spindle 21 of the spindle assembly 2. The mandrel component 2 is formed by assembling the mandrel 21, the inner steel ball 22, the large-hole steel bowl 23, the small-hole steel bowl 24, the outer steel ball 25, the ball plug 26 and the lock cap 27. As shown in FIG. 3, the inner steel ball 22, the large-hole steel bowl 23, the small-hole steel bowl 24, the outer steel ball 25 and the ball plug 26 are all sleeved on the mandrel 21, and the locking cap 27 is spirally installed at the outer end of the mandrel 21 to prevent the mandrel 21 from axially moving and falling off from the shaft hole of the pedal body 1. Both ends of the shaft hole of the pedal body 1 are reamed and formed with steel bowl positioning cavities, and the large-hole steel bowl 23 and the small-hole steel bowl 24 are respectively positioned and installed in the corresponding steel bowl positioning cavities. In order to prevent the locking cap 27 from excessively compressing the ball plug 26 and affecting the rotation of the pedal body 1, a toothed washer 28 is provided between the ball plug 26 and the locking cap 27. The back lid 5 has been clamped to pedal body 1's shaft hole outer end, and back lid 5 is arranged in preventing that the dust from entering into pedal body 1's shaft hole. The spindle 21 has a coupling thread 21a formed on an outer peripheral surface of an inner end thereof, and the coupling thread 21a is adapted to be screwed with a screw hole of the crank 3 so as to mount the entire pedal to the crank 3. The utility model discloses a biggest contribution lies in: the inside end of the mandrel component 2 is extended and added with a locking section, the diameter of the locking section is smaller than that of the inside end of the mandrel component 2, and the outer peripheral surface of the locking section is processed with a locking thread 21b. The thread direction of the locking thread 21b is opposite to the thread direction of the connecting thread 21a, i.e., if one is screwed clockwise, the other is screwed counterclockwise, and the screwing directions are opposite. And a locking nut 4 which is used for butting against the crank 3 to realize bidirectional locking is spirally arranged on the locking section. The utility model discloses a dabber 21 has increased a locking section to utilize the thread of reverse processing on medial extremity and the locking section, cooperation lock nut 4 combines the strong anti-drop's of two-way locking purpose of realization with the crank. The utility model discloses when riding passerby and normally riding forward, the screw thread department that dabber 21 and crank 3 combine can have the not hard up of certain degree, and the screw thread department that dabber 21 and lock nut 4 combine has a reaction force simultaneously, offsets the not hard up loss that dabber 21 and crank 3 combine, makes dabber 21 stronger with crank 3's locking force, rides safer, more comfortable.

The utility model discloses effectively solved the tradition and pedal the condition that can appear droing when riding, improved the security of riding and the competitiveness of travelling comfort and product.

In the embodiment, the pedal body 1 is fixedly provided with a pedal outer frame 7 through four flat machine screws 6. The pedal outer frame 7 is of a U-shaped structure, and mounting holes for the flat machine screws 6 to penetrate are processed on two U-shaped backs of the pedal outer frame 7.

In the embodiment, as shown in fig. 1, wavy anti-slip teeth 71 for anti-slip are processed on the tread surface of two U-shaped backs of the pedal outer frame 7. The wavy anti-skidding teeth 71 can increase the friction force between the wavy anti-skidding teeth and the soles of the rider, so that the anti-skidding effect is achieved.

In the embodiment, the utility model discloses a foot cover 8 is installed to a side of pedal frame 7.

In the embodiment, the foot cover 8 is fixedly arranged on the foot pedal outer frame 7 through a big flat head screw assembly 9. The large flat head screw assembly 9 is composed of a nut and a screw combination.

The utility model discloses abandoned traditional dabber and only been equipped with connecting thread 21 a's inherent structure, add with connecting thread 21a thread opposite direction's locking thread 21b, made the security of riding pedally higher, effectively solved traditional pedal when riding pedal the condition that drops appears easily, improved security, travelling comfort and the competitiveness of product. The utility model discloses novel, the low price of style to safe and reliable can let the consumer obtain better consumption and experience.

While the preferred embodiments of the present invention have been illustrated and described, it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the scope of the invention.

Claims

1. An anti-loosening pedal capable of being combined with a crank comprises a pedal body (1) and a mandrel component (2) which is rotatably supported and arranged in a shaft hole of the pedal body (1) in a penetrating way; the mandrel component (2) is formed by assembling a mandrel (21), an inner steel ball (22), a large-hole steel bowl (23), a small-hole steel bowl (24), an outer steel ball (25), a ball plug (26) and a lock cap (27); the outer peripheral surface of the inner side end of the mandrel (21) is processed with a connecting thread (21 a) for being spirally assembled with the crank (3), and the crank screw is characterized in that: a locking section is additionally arranged at the inner side end of the mandrel component (2) in an extending mode, locking threads (21 b) are machined on the outer peripheral surface of the locking section, and the thread direction of the locking threads (21 b) is opposite to that of the connecting threads (21 a); and the locking section is spirally provided with a locking nut (4) which is used for butting with the crank (3) to realize bidirectional locking.

2. The anti-loose pedal capable of being combined with a crank as claimed in claim 1, wherein: inboard steel ball (22), macropore steel bowl (23), micropore steel bowl (24), outside steel ball (25) and pearl stopper (26) all suit on dabber (21), lock cap (27) spiral mounting at the outside end of dabber (21), pearl stopper (26) and lock cap (27) between fill up and be furnished with and take tooth gasket (28), the shaft hole outer end of pedal body (1) clamp and be used for preventing back lid (5) that the dust got into.

3. The anti-loose pedal capable of being combined with the crank as claimed in claim 2, wherein: the pedal body (1) is fixedly provided with a pedal outer frame (7) through four flat machine screws (6).

4. A crank-coupled anti-loosening footrest according to claim 3, characterized in that: the tread surface of the pedal outer frame (7) is provided with wave-shaped anti-skid teeth (71) for anti-skid function.

5. The anti-loose pedal capable of being combined with a crank as claimed in claim 4, wherein: and a foot sleeve (8) is arranged on one side surface of the pedal outer frame (7).

6. The anti-loose pedal capable of being combined with a crank as claimed in claim 5, wherein: the foot sleeve (8) is fixedly arranged on the pedal outer frame (7) through a big flat head screw component (9).