CN209889051U

CN209889051U - Chain of mountain bike double-piece chain wheel

Info

Publication number: CN209889051U
Application number: CN201821975459.3U
Authority: CN
Inventors: 孟祥雷
Original assignee: Tianjin Danus Technology Co Ltd
Current assignee: Tianjin Danus Technology Co Ltd
Priority date: 2018-11-28
Filing date: 2018-11-28
Publication date: 2020-01-03
Anticipated expiration: 2028-11-28

Abstract

The utility model belongs to the technical field of the equipment of riding, especially, be a chain of mountain bike biplate chain wheel, including left crank and right crank, rotate on left crank and the right crank and install the pivot, one side fixed mounting of left side crank has the fixed block, first cavity has been seted up on the fixed block, first through-hole has been seted up on the top inner wall of first cavity, the screw rod is installed to first through-hole internal thread, the one end of screw rod extends to in the first cavity and fixed mounting has the push jack, the second through-hole has been seted up on the top inner wall of first cavity, fixed cover is equipped with first chain wheel in the pivot, fixed cover is equipped with the second chain wheel in the pivot, one side that first chain wheel and second chain wheel are close to contacts. The utility model discloses simple structure, convenient to use, can be quick paint the chain for the chain obtains abundant maintenance, and life is longer, and the processing ease has improved the security of riding, save time.

Description

Chain of mountain bike double-piece chain wheel

Technical Field

The utility model relates to an equipment technical field that rides especially relates to a chain of mountain bike biplate chain wheel.

Background

With the popularity of the low-carbon environment-friendly life concept, the bicycle is not only a vehicle but also a healthy and fashionable life style, and nowadays, more and more citizens begin to enthusiasm for cycling and body building, and particularly like riding in mountainous regions.

However, the quality of the chain as a power transmission accessory of the mountain bike directly affects the value of the mountain bike, and the chain is easy to break in the riding process due to long-time corrosion, so that potential hazards are caused to the personal safety of riders.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a chain of a mountain bike double-piece chain wheel.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a chain of a mountain bike double-piece chain wheel comprises a left crank and a right crank, wherein a rotating shaft is rotatably mounted on the left crank and the right crank, a fixed block is fixedly mounted on one side of the left crank, a first cavity is formed in the fixed block, a first through hole is formed in the inner wall of the top of the first cavity, a screw is mounted in the first through hole in a threaded manner, one end of the screw extends into the first cavity and is fixedly provided with a push piece, a second through hole is formed in the inner wall of the top of the first cavity, a first chain wheel is fixedly sleeved on the rotating shaft and provided with a second chain wheel, the first chain wheel is in contact with one side, close to the second chain wheel, of the first chain wheel, a first annular cavity is formed in the first chain wheel, a second annular cavity is formed in the second chain wheel, and an annular through hole is formed in one side, far away from the second chain wheel, of the first chain wheel, the annular through hole is communicated with the first annular cavity, an annular block is installed in the annular through hole in a rotating and sealing mode, and a chain is wound on the first chain wheel.

Preferably, a third through hole is formed in the annular block and communicated with the first annular cavity, an oil supply pipe is fixedly installed in the second through hole, and one end, far away from the second through hole, of the oil supply pipe is fixedly connected with the third through hole.

Preferably, a sealing ring is arranged on the push piece, an inner ring of the sealing ring is fixedly sleeved on the push piece, and an outer ring of the sealing ring is connected with the inner wall of the first cavity in a sliding mode.

Preferably, an oil inlet hole is formed in the fixing block and communicated with the first cavity, and an oil plug is installed in the oil inlet hole in a sliding and sealing mode.

Preferably, four first connecting holes are formed in the inner wall, close to the second chain wheel, of one side of the first annular cavity, four second connecting holes are formed in the inner wall, close to the first chain wheel, of one side of the second annular cavity, connecting pipes are fixedly mounted in the four first connecting holes, and one ends, far away from the first connecting holes, of the connecting pipes are fixedly mounted with the corresponding second connecting holes.

Preferably, a bearing is arranged in the annular block, an inner ring of the bearing is fixedly sleeved on the rotating shaft, and an outer ring of the bearing is fixedly connected with the inner wall of the annular block.

Preferably, the inner wall of the first through hole is provided with an internal thread, and the internal thread is meshed with the external thread of the screw rod.

Preferably, a first oil leakage hole and a second oil leakage hole are formed in teeth of the first chain wheel and the second chain wheel respectively, the first oil leakage hole and the second oil leakage hole are communicated with the corresponding first annular cavity and the second annular cavity respectively, one-way valves are arranged in the first oil leakage hole and the second oil leakage hole respectively, and the type of the one-way valves is DN 2.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, through the matching of a left crank, a right crank, a rotating shaft, a fixed block, a first cavity, a first through hole, a screw, a push sheet, a second through hole, a first chain wheel, a second chain wheel, a first annular cavity, a second annular cavity, an annular through hole, an annular block and a chain, when the crank is used, lubricating oil is injected into the first cavity through an oil inlet hole on the fixed block, an oil plug is plugged, the screw is rotated, the screw pushes the screw into the first cavity through internal threads in the first through hole, the push sheet is pushed to slide in the first cavity, the push sheet pushes the lubricating oil to enter a third through hole on the annular block through an oil supply pipe in the second through hole, then the lubricating oil enters the first annular cavity, the lubricating oil is sent into the second annular cavity through a connecting pipe, when a mountain bike rides, the chain drives the first chain wheel, and centrifugal force is generated when the first chain wheel rotates, make lubricating oil scribble the chain through the oil leak hole under the effect of centrifugal force on, lubricating oil not only can lubricate the chain, and can reduce the friction between chain and the first chain wheel, reduces the wearing and tearing of chain, can not rust through the effect chain of lubricating oil moreover, the utility model discloses simple structure, convenient to use, can be quick scribble the chain for the chain obtains abundant maintenance, and life is longer, and easy operation has improved the security of riding, save time.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is a schematic side view of the cross-sectional structure of the present invention.

In the figure: 1. a left crank; 2. a right crank; 3. a rotating shaft; 4. a fixed block; 5. a first cavity; 6. a first through hole; 7. a screw; 8. pushing the sheet; 9. a second through hole; 10. a first chain wheel; 11. a second chain wheel; 12. a first annular cavity; 13. a second annular cavity; 14. an annular through hole; 15. a ring block; 16. and a chain.

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. 1-3, the present invention provides a technical solution: a chain of a mountain bike double-piece chain wheel comprises a left crank 1 and a right crank 2, a rotating shaft 3 is rotatably arranged on the left crank 1 and the right crank 2, a fixed block 4 is fixedly arranged on one side of the left crank 1, a first cavity 5 is arranged on the fixed block 4, a first through hole 6 is arranged on the inner wall of the top of the first cavity 5, a screw 7 is arranged in the first through hole 6 in a threaded manner, one end of the screw 7 extends into the first cavity 5 and is fixedly provided with a push plate 8, a second through hole 9 is arranged on the inner wall of the top of the first cavity 5, a first chain wheel 10 is fixedly sleeved on the rotating shaft 3, a second chain wheel 11 is fixedly sleeved on the rotating shaft 3, the first chain wheel 10 is contacted with one side close to the second chain wheel 11, a first annular cavity 12 is arranged on the first chain wheel 10, a second annular cavity 13 is arranged on the second chain wheel 11, an annular through hole 14 is arranged on one side of the first chain wheel 10 far away from the second, the annular through hole 14 is communicated with the first annular cavity 12, the annular block 15 is installed in the annular through hole 14 in a rotating and sealing mode, the annular block 15 is installed in the annular through hole 15, and the chain 16 is wound on the first chain wheel 10.

A third through hole is formed in the annular block 15 and is communicated with the first annular cavity 12, an oil supply pipe is fixedly arranged in the second through hole 9, one end, far away from the second through hole 9, of the oil supply pipe is fixedly connected with the third through hole, a sealing ring is arranged on the push sheet 8, an inner ring of the sealing ring is fixedly sleeved on the push sheet 8, an outer ring of the sealing ring is in sliding connection with the inner wall of the first cavity 5, an oil inlet hole is formed in the fixing block 4 and is communicated with the first cavity 5, an oil plug is arranged in the oil inlet hole in a sliding sealing manner, four first connecting holes are formed in the inner wall, close to the second dental disc 11, of the first annular cavity 12, four second connecting holes are formed in the inner wall, close to the first dental disc, of the second annular cavity 13, connecting pipes are fixedly arranged in the four first connecting holes, one end, far away from the first connecting holes, of the connecting, the inner ring of the bearing is fixedly sleeved on the rotating shaft 3, the outer ring of the bearing is fixedly connected with the inner wall of the annular block 15, the inner wall of the first through hole 6 is provided with an internal thread which is meshed with the external thread of the screw 7, the teeth of the first chain wheel 10 and the second chain wheel 11 are respectively provided with a first oil leakage hole and a second oil leakage hole, the first oil leakage hole and the second oil leakage hole are respectively communicated with the corresponding first annular cavity 12 and the second annular cavity 13, the first oil leakage hole and the second oil leakage hole are respectively provided with a one-way valve, the model of the one-way valve is DN2, and the lubricating oil is injected into the first cavity 5 through the oil inlet hole on the fixing block 4 and then is tightly plugged after being matched with the left crank 1, the right crank 2, the rotating shaft 3, the fixing block 4, the first cavity 5, the first through hole 6, the screw 7, the push plate 8, the second through hole 9, the first chain wheel 10, the second chain wheel 11, the first annular cavity 12, the second annular cavity 13, the annular through hole 14, the annular, the screw rod 7 is rotated, the screw rod 7 pushes the screw rod 7 to push towards the first cavity 5 through the internal thread in the first through hole 6, the screw rod 7 pushes the push sheet 8 to slide in the first cavity 5, the push sheet 8 pushes the lubricating oil to pass through the oil supply pipe in the second through hole 9 so that the lubricating oil enters the third through hole on the annular block 15 and then enters the first annular cavity 12, the lubricating oil is sent into the second annular cavity 13 through the connecting pipe, when the mountain bike rides, the chain 16 drives the first chain wheel 10, the first chain wheel 10 generates centrifugal force when rotating, so that the lubricating oil is coated on the chain 16 through the oil leakage hole under the action of the centrifugal force, the lubricating oil can lubricate the chain 16, the friction between the chain 16 and the first chain wheel 10 can be reduced, the abrasion of the chain 16 is reduced, and the chain 16 can not rust under the action of the lubricating oil, the utility model has simple structure, convenient to use paints the chain fast for the chain obtains abundant maintenance, and life is longer, and the processing ease has improved the security of riding, save time.

The working principle is as follows: when the chain wheel is used, lubricating oil is injected into the first cavity 5 through the oil inlet hole in the fixed block 4 and then the oil plug is plugged tightly, the screw rod 7 is rotated, the screw rod 7 is pushed into the first cavity 5 through the internal thread in the first through hole 6, the push sheet 8 is pushed by the screw rod 7 to slide in the first cavity 5, the push sheet 8 pushes the lubricating oil to enter the third through hole in the annular block 15 through the oil supply pipe in the second through hole 9, then the lubricating oil enters the first annular cavity 12, the lubricating oil is sent into the second annular cavity 13 through the connecting pipe, when a mountain bike rides, the chain 16 drives the first chain wheel 10, centrifugal force is generated when the first chain wheel 10 rotates, the lubricating oil is coated on the chain 16 through the oil leakage hole under the action of the centrifugal force, the lubricating oil can lubricate the chain 16, the friction between the chain 16 and the first chain wheel 10 can be reduced, and the abrasion of the chain 16 can be reduced, and the chain 16 does not rust by the action of the lubricating oil.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a chain of mountain bike biplate chain wheel, includes left crank (1) and right crank (2), its characterized in that: the upper portion of the left crank (1) and the upper portion of the right crank (2) are rotatably provided with a rotating shaft (3), one side of the left crank (1) is fixedly provided with a fixed block (4), a first cavity (5) is formed in the fixed block (4), a first through hole (6) is formed in the inner wall of the top of the first cavity (5), a screw (7) is installed in the first through hole (6) in a threaded manner, one end of the screw (7) extends into the first cavity (5) and is fixedly provided with a push piece (8), a second through hole (9) is formed in the inner wall of the top of the first cavity (5), a first chain wheel (10) is fixedly sleeved on the rotating shaft (3), a second chain wheel (11) is fixedly sleeved on the rotating shaft (3), the first chain wheel (10) is contacted with one side, which is close to the second chain wheel (11), a first annular cavity (12) is formed in the first chain wheel (10), second ring-shaped cavity (13) have been seted up on second chain wheel (11), annular through-hole (14) have been seted up to one side that second chain wheel (11) were kept away from in first chain wheel (10), annular through-hole (14) with first ring-shaped cavity (12) intercommunication, annular piece (15) are installed to annular through-hole (14) internal rotation sealing, annular piece (15), the winding has chain (16) on first chain wheel (10).

2. The chain of the mountain bike double-piece chain wheel as claimed in claim 1, wherein: the third through hole has been seted up on annular piece (15), third through hole and first annular cavity (12) intercommunication, fixed mounting has the fuel feeding pipe in second through hole (9), the one end and the third through hole fixed connection that second through hole (9) were kept away from to the fuel feeding pipe.

3. The chain of the mountain bike double-piece chain wheel as claimed in claim 1, wherein: the push piece (8) is provided with a sealing ring, the inner ring of the sealing ring is fixedly sleeved on the push piece (8), and the outer ring of the sealing ring is connected with the inner wall of the first cavity (5) in a sliding mode.

4. The chain of the mountain bike double-piece chain wheel as claimed in claim 1, wherein: an oil inlet hole is formed in the fixed block (4), the oil inlet hole is communicated with the first cavity (5), and an oil plug is installed in the oil inlet hole in a sliding sealing mode.

5. The chain of the mountain bike double-piece chain wheel as claimed in claim 1, wherein: first annular cavity (12) have been seted up four first connecting holes on being close to one side inner wall of second chain wheel (11), four second connecting holes have been seted up on one side inner wall that second annular cavity (13) are close to first chain wheel, and equal fixed mounting has the connecting pipe in four first connecting holes, the one end and the second connecting hole fixed mounting that corresponds of first connecting hole are kept away from to the connecting pipe.

6. The chain of the mountain bike double-piece chain wheel as claimed in claim 1, wherein: the bearing is arranged in the annular block (15), the inner ring of the bearing is fixedly sleeved on the rotating shaft (3), and the outer ring of the bearing is fixedly connected with the inner wall of the annular block (15).

7. The chain of the mountain bike double-piece chain wheel as claimed in claim 1, wherein: the inner wall of the first through hole (6) is provided with an internal thread, and the internal thread is meshed with the external thread of the screw rod (7).

8. The chain of the mountain bike double-piece chain wheel as claimed in claim 1, wherein: the tooth of first chain wheel (10) and second chain wheel (11) is gone up and has been seted up first oil leak hole and second oil leak hole respectively, first oil leak hole and second oil leak hole communicate with corresponding first annular cavity (12) and second annular cavity (13) respectively, first oil leak hole all is equipped with the check valve with the second oil leak downthehole, the model of check valve is DN 2.