CN209921535U

CN209921535U - Steel ball-free plastic steel novel flywheel

Info

Publication number: CN209921535U
Application number: CN201920379643.XU
Authority: CN
Inventors: 张新立
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-25
Filing date: 2019-03-25
Publication date: 2020-01-10
Anticipated expiration: 2029-03-25

Abstract

The utility model discloses a new-type flywheel of no steel ball plastic steel belongs to bicycle accessory technical field, generally uses the steel ball to current bicycle flywheel, and the technical problem that does not wear-resisting not waterproof has adopted following technical scheme: the utility model provides a new-type flywheel of no steel ball plastic steel, includes the base, has gear and flywheel lid of external flywheel tooth and built-in alveolus, the base includes base inner circle and base outer lane, be equipped with tooth, tooth's socket, spring hook on the base outer lane, tooth bottom one end is equipped with the tooth hole, and the tooth hole outer fringe is equipped with the separation blade, the inboard intermediate position of tooth is equipped with the fixture block, and tooth bottom one end is equipped with the tooth arch, tooth is fixed in the tooth's socket through the protruding grafting of tooth in the tooth hole, and the lower hook card of spring hook is established in the fixture block lower part, and the inside wall of tooth's socket is located to the upper. The utility model discloses simple structure, easy dismounting, difficult wearing and tearing long service life, mainly used bicycle flywheel.

Description

Steel ball-free plastic steel novel flywheel

Technical Field

The utility model relates to a bicycle flywheel technical field, in particular to no new-type flywheel of steel ball plastic steel.

Background

The existing bicycle flywheels are all steel ball flywheels, steel balls are easy to rust, the phenomenon of blocking and unsmooth can occur after the bicycle is used for a long time, the structure is complex, the bicycle is inconvenient to install or disassemble, the manufacturing cost is high, a flywheel base and a gear are not wear-resistant, and the service life is short.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a novel steel ball-free plastic steel flywheel.

The utility model adopts the technical scheme as follows: a novel steel ball-free plastic-steel flywheel comprises a base, a gear with external flywheel teeth and an internal tooth socket and a flywheel cover, wherein the gear and the flywheel cover are provided with the external flywheel teeth and the internal tooth socket; a plurality of flywheel teeth are distributed on the circumferential direction of the outer surface of the gear in an equidistance mode, a plurality of tooth sockets are distributed on the circumferential direction of the inner surface of the gear in a non-interval mode, the gear is sleeved on the base, the tooth and the tooth sockets are in contact and move in a one-way mode relatively, and the gear rotates in a one-way mode relatively to the base.

Preferably, the flywheel lid inboard is equipped with the fixed column, the external diameter is unanimous with the external diameter size in the flywheel lid in the base, and the fixed column that covers in the flywheel on the base corresponds the position and is equipped with the round hole, and the round hole is pegged graft with the fixed column, and the flywheel lid is used for being in the same place flywheel base and gear fixed mounting, and the dismouting is simple and firm.

Preferably, the inner ring of the base is made of metal and provided with threads, and the flywheel can be connected to the bicycle in a threaded mode.

Preferably, base outer lane and gear are the plastics nylon material, and the plastics nylon is wear-resisting material, but waterproof wear-resisting long service life.

Preferably, the tooth spaces and the teeth are respectively provided with two, and in another preferred mode, the tooth spaces and the teeth can also be respectively provided with a plurality of tooth spaces and teeth so as to be matched with bicycles with different sizes or different types for use.

It is further preferred that there are 18 sockets and 16 flywheel teeth.

The technical effects of the utility model reside in that: the flywheel without the steel balls is adopted, materials are saved, the production cost is relatively reduced, the structure is simple, the assembly and disassembly are simple, the outer ring of the flywheel base and the gear are made of plastic nylon materials, the flywheel base is wear-resistant, waterproof performance is achieved, rust is avoided, and the service life is long.

Drawings

FIG. 1 is the schematic diagram of the internal structure of the present invention

FIG. 2 is a schematic view of the flywheel base structure of the present invention

FIG. 3 is a detail view of the tooth and spring hook of the present invention

FIG. 4 is a schematic view of the gear structure of the present invention

FIG. 5 is a schematic view of the flywheel cover structure of the present invention

FIG. 6 is a schematic view of the whole installation of the present invention

FIG. 7 is a schematic view of the structure of the tooth of the present invention

FIG. 8 is a schematic view of the spring hook structure of the present invention

In the figure: 1. a base; 11. a base inner ring; 12. a base outer ring; 13. teeth; 131 a latch; 132. tooth protrusions; 14. a tooth socket; 141. a baffle plate; 142. a tooth hole; 15. a spring hook; 151. hooking; 152. hooking; 16. a circular hole; 2. a gear; 21. flywheel teeth; 22. a tooth socket; 3. a flywheel cover; 31. fixing column

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-8, the utility model provides a novel steel ball-free plastic-steel flywheel, including base 1, gear 2 and flywheel lid 3 with external flywheel tooth 21 and built-in alveolus 22, the base includes base inner circle 11 and base outer lane 12, and inner circle and outer lane are bonded as an organic whole, are equipped with tooth 13, tooth's socket 14, spring hook 15 on the base outer lane 12, tooth's socket 14 bottom one end is equipped with tooth hole 142, the outer fringe of tooth hole 142 is equipped with separation blade 141, tooth 13 inboard intermediate position is equipped with fixture block 131, tooth 13 bottom one end is equipped with tooth arch 132, tooth 13 is fixed in tooth's socket 14 in tooth hole 142 through tooth arch 132 grafting, spring hook 15's lower hook 151 card is established in fixture block 131 lower part, upper hook 152 card is established on the inside wall of tooth's socket 14; 2 surface circumference equidistance of gear 2 distributes a plurality of

flywheel teeth

21, and 2 internal surface circumference of gear does not have a plurality of alveolus 22 of interval distribution, and gear 2 overlaps on base 1, tooth 13 and alveolus 22 contact and relative unidirectional motion, the relative base 1 unidirectional rotation of gear 2.

According to a preferred embodiment, the inner side of the flywheel cover 3 is provided with a fixing column 31, the inner diameter and the outer diameter of the base 1 are the same as those of the flywheel cover 3, a round hole 16 is formed in the base 1 at a position corresponding to the fixing column 31 on the flywheel cover 3, the round hole 16 is inserted into the fixing column 31, and the flywheel cover 3 is used for fixedly mounting the flywheel base 1 and the gear 2 together, so that the flywheel cover is simple and firm to mount and dismount.

In a preferred embodiment, the inner ring 11 of the base is made of metal and provided with threads for connecting the flywheel to the bicycle in a threaded manner, the outer ring 12 of the base is made of plastic nylon, and the inner ring and the outer ring are integrally bonded to form the base.

In a preferred embodiment, there are two tooth sockets 14 and two tooth teeth 13, and in another preferred embodiment, there are also a plurality of tooth sockets 14 and a plurality of tooth teeth 13, so as to be used on bicycles with different sizes or different types.

In a further preferred embodiment, there are 18

sockets

22 and 16 freewheel teeth 21.

Embodiment more than adopting can solve the utility model discloses the technical problem that will solve adopts the flywheel of no steel ball, has reached save material, has also reduced manufacturing cost relatively, the simple technological effect of dismouting, flywheel base outer lane and gear all adopt the wear-resisting and possess waterproof performance of plastics nylon material and do not rust long service life.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a no new-type flywheel of steel ball plastic steel, includes the base, has external flywheel tooth and the gear and the flywheel lid of built-in alveolus, its characterized in that: the base comprises a base inner ring and a base outer ring, teeth, a tooth socket and a spring hook are arranged on the base outer ring, a tooth hole is formed in one end of the bottom of the tooth socket, a separation blade is arranged on the outer edge of the tooth hole, a clamping block is arranged in the middle of the inner side of each tooth, a tooth protrusion is arranged at one end of the bottom of each tooth, each tooth is inserted into the tooth hole through the tooth protrusion and fixed in the tooth socket, a lower hook of the spring hook is clamped at the lower part of the clamping block, and an upper hook is clamped on the inner side wall of the.

2. The steel ball-free plastic-steel novel flywheel of claim 1, which is characterized in that: a plurality of flywheel teeth are distributed on the circumferential direction of the outer surface of the gear in an equidistance mode, a plurality of tooth sockets are distributed on the circumferential direction of the inner surface of the gear in a non-interval mode, the gear is sleeved on the base, the tooth and the tooth sockets are in contact and move in a one-way mode relatively, and the gear rotates in a one-way mode relatively to the base.

3. The steel ball-free plastic-steel novel flywheel of claim 1, which is characterized in that: the flywheel cover inboard is equipped with the fixed column, the external diameter is unanimous with flywheel cover internal diameter size in the base, and the fixed column that covers in the flywheel on the base corresponds the position and is equipped with the round hole, and the round hole is pegged graft with the fixed column.

4. The steel ball-free plastic-steel novel flywheel of claim 1, which is characterized in that: the base inner ring is made of metal and is provided with threads.

5. The steel ball-free plastic-steel novel flywheel of claim 1, which is characterized in that: the base outer ring and the gear are made of plastic nylon materials.

6. The steel ball-free plastic-steel novel flywheel of claim 1, which is characterized in that: the tooth socket and the tooth are respectively provided with two teeth.

7. The steel ball-free plastic-steel novel flywheel as claimed in claim 1 or 2, wherein: the tooth socket is provided with 18, and the flywheel tooth is provided with 16.