CN219828494U

CN219828494U - Automatic lubricating bicycle drive chain of oil feed

Info

Publication number: CN219828494U
Application number: CN202321241179.0U
Authority: CN
Inventors: 刘杰; 冯顺发; 郝鹏
Original assignee: Tianjin Fuxingda Chain Co ltd
Current assignee: Tianjin Fuxingda Chain Co ltd
Priority date: 2023-05-22
Filing date: 2023-05-22
Publication date: 2023-10-13
Anticipated expiration: 2033-05-22

Abstract

The utility model relates to the technical field of chains, in particular to a bicycle transmission chain capable of automatically feeding oil and lubricating. The automatic oil feeding and lubricating bicycle transmission chain comprises a chain and an oil storage tank, a plurality of groups of identical chains are connected in sequence through ending to form an annular chain ring, a group of pins on the chain are fixedly sleeved with abutting bulges, an oil return groove is formed in the inner bottom wall of the oil storage tank, an oil inlet barrel is arranged in the oil return groove, an oil drain pipe is arranged at the bottom of the oil inlet barrel, and a U-shaped sponge plate is sleeved on the oil drain pipe. The bicycle transmission chain capable of automatically feeding oil and lubricating is continuously rotated through the chain ring, so that the abutting bulge can push the oil blocking ball to reciprocate to block the oil inlet cylinder, the chain can be automatically fed oil continuously and intermittently, and lubricating liquid on the chain can be coated on the chain wheel, so that the chain wheel and the chain are not required to be coated manually by an oil brush, and the protection of the bicycle chain is greatly improved.

Description

Automatic lubricating bicycle drive chain of oil feed

Technical Field

The utility model relates to the technical field of chains, in particular to a bicycle transmission chain capable of automatically feeding oil and lubricating.

Background

Bicycles, also known as bicycles or scooters, are typically two-wheeled small land vehicles. After people get on the vehicle, the pedal is taken as power, so that the vehicle is environment-friendly. English multicycle. Bi means two, and cycle means a wheel, namely a two-wheel vehicle, and various kinds of bicycles, including single person bicycles, double person bicycles and multi-person bicycles.

The chain is arranged between the bicycle tires in a matched mode, driving is convenient, and general oil feeding and lubricating work of the bicycle chain needs to be performed on the chain wheels and the chain by using an oil brush, so that the bicycle is very troublesome, labor is consumed, and time is extremely consumed.

Accordingly, there is a need for a new bicycle drive chain with automatic oil feed lubrication that solves the above-mentioned problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a bicycle transmission chain capable of automatically feeding oil and lubricating.

The utility model provides an automatic oil-feeding and lubricating bicycle transmission chain, which comprises chains, wherein a plurality of groups of identical chains are sequentially connected through ending to form an annular chain ring, and a butt-joint protrusion is fixedly sleeved in a pin shaft on any group of chains;

the bicycle transmission chain further comprises an oil storage tank, an oil return groove is formed in the inner bottom wall of the oil storage tank, two groups of oil inlet cylinders are fixedly arranged in the oil return groove, an oil discharge pipe extending out of the bottom of the oil storage tank is arranged at the bottom of each oil inlet cylinder, and a U-shaped sponge plate is sleeved on the oil discharge pipe;

the oil storage tank is internally provided with an oil supplementing assembly, the oil supplementing assembly comprises a mounting disc, the mounting disc is mounted in the oil storage tank, a sliding rod in sliding connection is inserted into the mounting disc, and an oil blocking ball for abutting against an oil outlet of the oil inlet cylinder is arranged on the sliding rod.

Preferably, a limiting pipe communicated with the oil storage tank is fixedly arranged at the disc center of the oil storage tank, and a damping ring is embedded in the limiting pipe.

Preferably, the mounting plate is fixedly mounted on the inner bottom wall of the oil storage tank through a bracket, a sliding rod on the mounting plate is inserted into the limiting pipe and extends out of the limiting pipe, a piston is fixedly sleeved on the sliding rod, a spring is connected on the sliding rod above the piston in series, one end of the spring is fixedly connected with the upper surface of the piston, and the other end of the spring is fixedly connected with the lower surface of the mounting plate.

Preferably, the piston is located in a spacing tube above the damping ring.

Preferably, the bottom of the sliding rod is fixedly provided with a propping steel ball.

Preferably, the top of the sliding rod is fixedly embedded with a rocker arm with a U-shaped structure, and two vertical ends of the rocker arm are fixedly embedded with oil blocking balls.

Preferably, the upper and lower inner walls of the oil inlet cylinder are hemispherical containing cavities, and the inner diameter of the hemispherical containing cavity of the upper oil inlet cylinder is larger than that of the hemispherical containing cavity of the lower oil inlet cylinder.

Preferably, the oil blocking ball is matched with the lower hemispherical cavity of the oil inlet cylinder.

Preferably, a tank cover in threaded connection is installed at the top of the oil storage tank.

Compared with the related art, the bicycle transmission chain with automatic oil feeding and lubrication provided by the utility model has the following beneficial effects:

according to the utility model, the chain ring continuously rotates, so that the abutting bulge can push the oil blocking ball to reciprocate to block the oil inlet cylinder, the chain can be automatically fed with oil continuously and intermittently, and the lubricating liquid on the chain can be coated on the chain wheel, so that the chain wheel and the chain are not required to be coated manually by the oil brush, and the protection of the bicycle chain is greatly improved.

Drawings

FIG. 1 is a schematic view of a bicycle transmission chain with automatic oil feed lubrication according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of a mounting structure of an abutment protrusion in the chain of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the storage tank of FIG. 1;

FIG. 4 is a schematic view of a partial enlarged structure of the oil storage tank shown in FIG. 3;

fig. 5 is a schematic structural diagram of the oil compensating assembly shown in fig. 3.

Reference numerals in the drawings: 1. a chain; 11. a pin shaft; 2. the abutting bulge; 3. an oil storage tank; 3a, an oil return groove; 31. an oil inlet cylinder; 32. an oil drain pipe; 33. u-shaped sponge plates; 34. a limiting tube; 341. a damping ring; 35. a can lid; 4. an oil supplementing assembly; 41. a mounting plate; 42. a bracket; 43. a slide bar; 44. abutting against the steel balls; 45. a piston; 46. a spring; 47. a rocker arm; 48. oil blocking balls.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Specific implementations of the utility model are described in detail below in connection with specific embodiments.

Referring to fig. 1 to 5, an automatic oil feeding and lubricating bicycle transmission chain according to an embodiment of the present utility model includes: chain 1, butt protruding 2, oil storage tank 3 and oil charging subassembly 4.

In the embodiment of the present utility model, referring to fig. 1 and 2, a plurality of groups of identical chains 1 are sequentially connected by ending to form an annular chain ring, and a pin 11 on any group of the chains 1 is fixedly sleeved with an abutting protrusion 2;

it should be noted that: after the chain ring formed by the chain 1 is mounted on the bicycle, the protruding part of the abutting protruding part 2 faces the inner ring of the chain ring, the oil storage tank 3 is mounted on the rear fork tube of the bicycle frame through the bracket, the oil storage tank 3 is kept downward, and meanwhile, the chain plates on two sides of the chain 1 respectively penetrate through the two U-shaped sponge plates 33 on the oil storage tank 3.

In the embodiment of the present utility model, referring to fig. 3, 4 and 5, an oil return groove 3a is formed in an inner bottom wall of the oil storage tank 3, two sets of oil inlet cylinders 31 are fixedly installed in the oil return groove 3a, an oil drain pipe 32 extending out of the bottom of the oil storage tank 3 is installed at the bottom of each oil inlet cylinder 31, a U-shaped sponge plate 33 is sleeved on the oil drain pipe 32, a limiting pipe 34 communicated with the oil storage tank 3 is fixedly installed at a disc center of the oil storage tank 3, and a damping ring 341 is embedded in the limiting pipe 34;

the oil storage tank 3 is internally provided with an oil supplementing assembly 4, the oil supplementing assembly 4 comprises a mounting disc 41, the mounting disc 41 is mounted in the oil storage tank 3, a sliding rod 43 in sliding connection is inserted on the mounting disc 41, the mounting disc 41 is fixedly mounted on the inner bottom wall of the oil storage tank 3 through a bracket 42, the sliding rod 43 on the mounting disc 41 is inserted into a limiting pipe 34 and extends out of the limiting pipe 34, a piston 45 is fixedly sleeved on the sliding rod 43, a spring 46 is connected onto the sliding rod 43 above the piston 45 in series, one end of the spring 46 is fixedly connected with the upper surface of the piston 45, the other end of the spring 46 is fixedly connected with the lower surface of the mounting disc 41, a rocker arm 47 which is used for propping against an oil outlet of the oil inlet cylinder 31 is arranged on the sliding rod 43, and particularly, a U-shaped rocker arm 47 is fixedly embedded at the top of the sliding rod 43, and oil blocking balls 48 are fixedly embedded at two vertical ends of the rocker arm 47.

It should be noted that: when the abutting bulge 2 and the abutting steel ball 44 are in a dislocation state, the spring 46 abuts against the piston 45 to enable the piston to abut against the damping ring 341, and the rocker arm 47 pushes the oil blocking ball 48 to abut against the lower hemispherical cavity of the oil inlet barrel 31, so that the oil inlet barrel 31 is in a closed mode, and lubricating liquid in the oil storage tank 3 flows into the upper hemispherical cavity of the oil inlet barrel 31 through the oil return groove 3 a;

after the abutting projection 2 is opposite to the abutting steel ball 44 along with the rotation of the chain ring, the abutting projection 2 pushes up the abutting steel ball 44, so that the spring 46 compresses and enables the sliding rod 43 to slide upwards along the limiting pipe 34, and therefore the rocker arms 47 on two sides pull up the oil blocking ball 48 to slide into the upper hemispherical cavity of the oil inlet cylinder 31, so that oil in the upper hemispherical cavity of the oil inlet cylinder 31 flows into the oil drain pipe 32 through a gap with the oil blocking ball 48, flows onto the U-shaped sponge plate 33 from the oil drain pipe 32 to wet the oil blocking ball, and each group of chains can feed and lubricate after sliding across the U-shaped sponge plate 33;

after the abutting bulge 2 and the abutting steel ball 44 are dislocated again, the sliding rod 43 drives the oil blocking ball 48 to reset under the action of the elasticity of the compression spring 46, so that the oil inlet barrel 31 is blocked;

according to the utility model, the chain ring can rotate continuously, so that the abutting bulge 2 can push the oil blocking ball 48 to reciprocate to block the oil inlet cylinder 31, the chain 1 can be automatically fed with oil intermittently all the time, and the lubricating liquid on the chain 1 can be coated on the chain wheel, so that the chain wheel and the chain do not need to be coated manually by an oil brush, and the protection of the bicycle chain is greatly improved.

The bottom of the sliding rod 43 is fixedly provided with the abutting steel balls 44, so that when the abutting protrusion 2 slides over the bottom of the sliding rod 43, the abutting protrusion 2 can well push up the abutting steel balls 44, thereby improving smoothness when the sliding rod 43 slides upwards;

whereas in the present embodiment: because the U-shaped sponge plate 33 is made of sponge material, the sponge can be wetted by the oil flowing out of the oil drain pipe 32, and the sponge can feed and lubricate each group of chains along with the rotation of the chain ring.

The piston 45 is located in the limiting pipe 34 above the damping ring 341, the upper and lower inner walls of the oil inlet cylinder 31 are hemispherical cavities, the inner diameter of the upper hemispherical cavity of the oil inlet cylinder 31 is larger than that of the lower hemispherical cavity of the oil inlet cylinder 31, and the oil blocking ball 48 is matched with the lower hemispherical cavity of the oil inlet cylinder 31, so that when the oil blocking ball 48 slides into the upper hemispherical cavity of the oil inlet cylinder 31, lubricating oil in the upper hemispherical cavity of the oil inlet cylinder 31 can flow into the lower hemispherical cavity of the oil inlet cylinder 31;

the top of the oil storage tank 3 is provided with a tank cover 35 in threaded connection, so that oil in the oil storage tank 3 can be conveniently replenished.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. The bicycle transmission chain capable of automatically feeding oil and lubricating comprises chains (1), wherein a plurality of groups of identical chains (1) are sequentially connected through ending to form an annular chain ring, and the bicycle transmission chain is characterized in that a butt joint protrusion (2) is fixedly sleeved in a pin shaft (11) on any group of chains (1);

the bicycle transmission chain further comprises an oil storage tank (3), an oil return groove (3 a) is formed in the inner bottom wall of the oil storage tank (3), two groups of oil inlet cylinders (31) are fixedly installed in the oil return groove (3 a), an oil discharge pipe (32) extending out of the bottom of the oil storage tank (3) is installed at the bottom of each oil inlet cylinder (31), and a U-shaped sponge plate (33) is sleeved on the oil discharge pipe (32);

the oil storage tank is characterized in that an oil supplementing assembly (4) is arranged in the oil storage tank (3), the oil supplementing assembly (4) comprises a mounting disc (41), the mounting disc (41) is arranged in the oil storage tank (3), a sliding rod (43) in sliding connection is inserted into the mounting disc (41), and an oil blocking ball (48) for abutting against an oil outlet of the oil inlet cylinder (31) is arranged on the sliding rod (43).

2. The automatic oil feeding and lubricating bicycle transmission chain according to claim 1, wherein a limiting pipe (34) communicated with the oil storage tank (3) is fixedly arranged at the disc center of the oil storage tank (3), and a damping ring (341) is embedded in the limiting pipe (34).

3. The automatic oil feeding and lubricating bicycle transmission chain according to claim 2, wherein the mounting disc (41) is fixedly mounted on the inner bottom wall of the oil storage tank (3) through a bracket (42), a sliding rod (43) on the mounting disc (41) is inserted into the limiting pipe (34) and extends out of the limiting pipe (34), a piston (45) is fixedly sleeved on the sliding rod (43), a spring (46) is connected onto the sliding rod (43) above the piston (45) in series, one end of the spring (46) is fixedly connected with the upper surface of the piston (45), and the other end of the spring (46) is fixedly connected with the lower surface of the mounting disc (41).

4. A bicycle transmission chain with automatic oil feeding lubrication according to claim 3, characterized in that the piston (45) is located in a limit tube (34) above the damping ring (341).

5. A bicycle transmission chain with automatic oil feeding lubrication according to claim 3, characterized in that the bottom of the sliding rod (43) is fixedly equipped with a abutment steel ball (44).

6. The automatic oil feeding and lubricating bicycle transmission chain according to claim 1, wherein a rocker arm (47) of a U-shaped structure is fixedly embedded at the top of the sliding rod (43), and oil blocking balls (48) are fixedly embedded at both vertical ends of the rocker arm (47).

7. The automatic oil feeding and lubricating bicycle transmission chain according to claim 6, wherein the upper and lower inner walls of the oil inlet cylinder (31) are hemispherical cavities, and the inner diameter of the upper hemispherical cavity of the oil inlet cylinder (31) is larger than that of the lower hemispherical cavity of the oil inlet cylinder (31).

8. The automatic oil feed and lubrication bicycle transmission chain according to claim 7, wherein the oil blocking ball (48) is matched with the lower hemispherical cavity of the oil inlet barrel (31).

9. The automatic oil-lubricated bicycle transmission chain according to claim 1, characterized in that the top of the oil storage tank (3) is fitted with a screw-threaded tank cap (35).